JP5210697B2 - Sliding valve device, powder material supply device using the same, powder material metering and transport device, powder material transport switching device - Google Patents

Description

  The present invention relates to a slide type valve device that is incorporated in the middle of a transportation path of a granular material and controls the transportation of the granular material transported in the transportation path, and supply of the granular material using the same The present invention relates to a device, a metering and transporting device for granular material, and a transport switching device for granular material.

2. Description of the Related Art Conventionally, as a slide type valve device that is incorporated in the middle of a transportation path of granular material and transports the granular material transported in the transportation path, the following is known. .
For example, in the following Patent Document 1, an upper surface plate formed with an upper opening connected to a material discharge port at a lower end of a hopper that stores a granular material, a driving source is connected to a base end, and the upper surface There has been proposed a slide shutter type material supply device including a slide shutter that can be moved back and forth in the horizontal direction while sliding on the bottom surface of the plate, and the opening area of the upper opening can be controlled to be fully open or fully closed. Yes.
Moreover, in the following patent document 2, a multistage shutter type weighing damper device that is attached to a discharge port of a hopper that stores a granular material is proposed. In this configuration, an upper shutter having a first metering hole corresponding to the discharge port between the discharge port of the hopper and the material supply port of the multistage shutter type weighing damper device, and the material supply port The lower shutter having the corresponding second measuring hole is provided so as to be reciprocally movable by the driving means.

Further, in Patent Document 3 and Patent Document 4 below, a substrate having an inlet and an outlet penetrating in the vertical direction, and a through-hole penetrating in the vertical direction are provided on the lower surface of the substrate so as to be horizontally movable by an operating device. There has been proposed a granular material measuring device having a slide plate having a measuring container in which an edge portion of an upper end opening is fixed to an edge portion of a through hole of the slide plate. In Patent Document 3 and Patent Document 4, a measuring container having an inlet at the upper end and a lateral outlet at the upper side, and an opening / closing valve that opens and closes the inlet of the measuring container horizontally movable by an actuator. An apparatus for measuring powder particles has been proposed.
Furthermore, in the following Patent Document 5, a switching device is proposed that is interposed between two systems of air transportation paths corresponding to two types of granular material and one system of air transportation paths downstream thereof. Yes.
The switching device is generally communicated with two upstream cylindrical portions (upstream bifurcated pipes) respectively connected to the two systems of air transport paths, and the two cylindrical portions. A lower case in which two openings are opened close to each other, a plate-like switching valve that is slid by the driving means in the lower case, and a downstream of the above-mentioned one line of air connected to the downstream side of the switching valve And an upper case having a downstream opening that communicates with the transport path.
JP 2007-45132 A (see FIG. 2) JP 2005-263394 A (see FIG. 1) JP 2002-148092 A (refer to FIG. 1 and FIG. 3) JP 2004-28790 A (see FIGS. 1 and 3) Japanese Patent Laying-Open No. 2007-320686 (see FIG. 1)

By the way, the granular material transports the slide type valve device having a plate-like slide valve body (slide plate, slide shutter, switching valve) that is slid by the drive means (drive source, operation device) as described above. In the middle of the transport route, as described above, when performing the supply (discharge) of the granular material by opening and closing the transport route, switching the transport route or metering the granular material, the slide The powder material adheres to the surface of the valve body and the inner wall of the housing of the slide valve body that accommodates the slide valve body so as to be able to reciprocate. The resulting granular material may adhere and accumulate.
As described above, when the particulate material adheres and accumulates, the slidability of the slide valve body deteriorates and the load on the driving means also increases, so that the apparatus may be deteriorated.
In addition, when the powder material is attached and deposited on the slide valve body and the slide valve body housing as described above, for example, when the material change to change the transported powder material to another dissimilar material is made. The newly transported granular material is mixed with the material deposited and deposited on the slide valve body and the housing of the slide valve body, causing contamination to the newly transported granular material. There was a fear.

  In order to solve the above problems, it is necessary to periodically clean the surface of the slide valve body and the inside of the slide valve body housing. The slide valve body is connected to a rod of a drive unit such as a cylinder, and the drive unit is fastened and fixed to the housing of the slide valve body that accommodates the slide valve body by a hexagon bolt, a hexagon socket head bolt, or the like. Therefore, it is necessary to remove the bolts using a tool for tightening or loosening these bolts, disassemble the slide type valve device, and remove the drive unit together with the slide valve body from the slide valve body housing for cleaning. The workability during cleaning was poor.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to use a slide valve device that can easily clean a slide valve body and a slide valve body housing that houses the slide valve body, and the same. An object of the present invention is to provide a powder material supply device, a powder material metering device, and a powder material switching device.

  In order to achieve the above-mentioned object, the sliding valve device according to the present invention is incorporated in the middle of the transportation path of the granular material, and is a sliding type that controls the transportation of the granular material transported in the transportation path. A valve device comprising a plate-like slide valve body, a slide valve body housing having a space for reciprocally moving the slide valve body, and a slide valve body connected to the slide valve body, A slide valve drive unit that reciprocally moves the slide valve body accommodated in the slide valve body, and the slide valve body housing and the slide valve drive unit are connected and fixed by a locking fastener having a manual operation unit. When the manual operation portion is operated to release the connection and fixation between the slide valve body housing and the slide valve drive portion, the slide valve body is slid from the slide valve body housing. Withdrawn along with, characterized in that there is a removal can structure.

In the slide type valve device of the present invention, the slide valve body housing may have an end portion on the side different from the extraction direction opened.
In this way, in the case where the end of the slide valve body housing that is different from the drawing direction is opened, a removable safety cover that covers the opening may be provided.

Further, in the slide type valve device according to the present invention, the locking fastener is provided with a pair of connecting fixtures arranged across a connecting portion between the slide valve body housing and the slide valve driving portion. Further, by operating the manual operation unit, the slide valve body housing and the slide valve drive unit may be connected and fixed so as to be sandwiched by the connection fixture.
In the slide type valve device structured to be connected and fixed so as to be sandwiched, the connecting fixture is inclined so that surfaces facing each other across the recess expand toward the front side. A locking inclined portion having an inclined surface corresponding to the inclined surface of the engaging claw portion of the coupling fixture on the slide valve body housing and the slide valve driving portion. By operating the manual operation portion, the connecting fixture is pressed toward the connecting portion, and the locking inclination of the slide valve body housing is locked by the locking claw portion of the connecting fixture. It is good also as a structure which clamps a part and the latching inclination part of the said slide valve drive part.

  Further, in the slide type valve device of the present invention, the slide valve drive unit may have any configuration as long as it reciprocates the slide valve body accommodated in the slide valve body housing. It may be a hydraulic cylinder, an electric cylinder, an electric screw shaft (such as a ball screw), or an air cylinder.

Here, the above-mentioned powder material refers to a powder / granular material, but is not limited to this, and includes a fine flake shape, a short fiber piece shape, a sliver-like material, and the like.
Moreover, although the said material mainly points out resin pellets, such as a synthetic resin material, a resin fiber piece, etc., it is not restricted to this, A metal material, a wood material, a chemical material, a food material, etc. may be sufficient.
In addition, the transportation path for the granular material is a transportation path for performing suction air transportation by a suction means or the like, a transportation path for performing pneumatic transportation by pressure feeding by a compressed air introduction means, and the like (transport, supply, Any material may be used as long as it can transport the particulate material, such as a transportation route for discharging.

Furthermore, in the present invention, in order to achieve the above object, the following devices using any one of the slide type valve devices are provided.
That is, it is a powder material supply device using any one of the slide type valve devices, and the slide valve body housing has an upstream side opening connected to the upstream transportation path at the upstream side thereof. On the downstream side, a downstream opening that is in communication with the downstream transport path and the upstream opening is opened, and the slide valve body is reciprocated by the slide valve driving unit. Thus, the upstream opening and the downstream opening are opened and closed.

  Alternatively, it is a granular material measuring and transporting device using any one of the slide type valve devices, wherein the slide valve body has a closed portion and a through hole portion, and a downstream edge of the through hole portion. The edge of the other end side opening of the measuring container having an air circulation part at one end is fixed to the part, and the slide valve body housing has an upstream opening communicating with the upstream transport path And a downstream opening communicating with the downstream air transport path is established along the slide direction, and the through hole is opened by the reciprocating movement of the slide valve body by the slide valve driving unit. And the downstream opening, the other is closed by the closing portion.

  Or it is a transportation switching device of the granular material using any one of the slide type valve devices, the slide valve body has a closed portion and a through hole portion, the slide valve body housing, On the upstream side, two independent upstream openings that respectively communicate with the two upstream air transport paths are opened along the sliding direction, while on the downstream side, one downstream A downstream opening that communicates with an air transport path is established, and the slide valve body is reciprocated by the slide valve drive unit so that the through hole is one of the two independent upstream openings. When communicating with one side, the upstream opening and the downstream opening are communicated with each other, and the other upstream opening is closed by the closing part.

In the slide type valve device according to the present invention, the slide valve drive unit to which the slide valve body is connected, and the slide valve body housing which accommodates the slide valve body so as to be able to reciprocate are latched with a manual operation unit. When the manual operation unit is operated to release the connection and fixation between the slide valve body housing and the slide valve drive unit, the slide valve body is removed from the slide valve body housing. It has a structure that can be removed along the slide direction.
Therefore, the connection between the slide valve body housing and the slide valve drive unit can be easily released by manual operation, and the slide valve body connected to the slide valve drive unit is moved along the slide direction from the slide valve body housing. It can be extracted and easily removed. Therefore, the particulate material adhered and deposited on the slide valve body can be easily removed and cleaned. Also, the slide valve body housing can be easily cleaned from the opening formed in the direction of extracting the slide valve body.
In addition, since the slide valve body housing can be cleaned by removing the slide valve body that is reciprocated by the slide valve drive unit, for example, when cleaning without removing the slide valve body, there is a risk of injury to fingers and the like. Such a thing can be surely prevented, and the slide valve device is excellent in terms of safety.
Further, since the locking fastener has a manual operation portion, the slide valve drive portion can be manually operated even when assembled to the slide valve body housing, and workability at the time of assembly is also improved. good.

In the slide type valve device according to the present invention, if the slide valve body housing is opened at the end on the side different from the extraction direction, the empty space of the slide valve body housing that houses the slide valve body is provided. Since not only the opening formed on the extraction side of the place but also the end portions on the different side are opened, the slide valve body housing can be cleaned more easily and reliably.
That is, the space of the slide valve body housing that accommodates the slide valve body can be easily and reliably cleaned through these openings.

In the slide type valve device according to the present invention, the locking fastener is provided with a pair of connecting fixtures arranged across a connecting portion between the slide valve body housing and the slide valve driving portion, By operating the manual operation portion to connect and fix the slide valve body housing and the slide valve drive portion so as to be held by the connection fixture, the following effects can be obtained.
That is, since the slide valve body housing and the slide valve drive unit are connected and fixed by the pair of connection fixtures, the connection and fixation between the slide valve body housing and the slide valve drive unit are firmly performed. The

Further, in the slide type valve device structured to be connected and fixed so as to be sandwiched, the connecting fixture has an inclined surface such that surfaces facing each other across the recess are expanded toward the front side. The latching claw portion having the inclined surface corresponding to the inclined surface of the locking claw portion of the coupling fixture on the slide valve body housing and the slide valve driving portion. And by operating the manual operation portion, the connecting fixture is pressed toward the connecting portion, and the slide valve body housing is locked by the locking claw portion of the connecting fixture. If the inclined portion and the engaging inclined portion of the slide valve driving portion are sandwiched, the following effects can be obtained.
That is, the inclined surfaces of the engaging claw portions of the connecting fixture facing each other are pressed against the inclined surfaces of the engaging inclined portion of the slide valve body housing and the inclined surfaces of the engaging inclined portion of the slide valve drive unit, respectively. By the taper action of these inclined surfaces, the connection and fixing of the slide valve body housing and the slide valve drive unit are made more robust.

According to the powder material supply apparatus according to the present invention, since any one of the slide type valve devices is used, a slide valve body housing or the like can be provided along with opening and closing of the upstream side opening and the downstream side opening. The granular material adhering to and accumulating on the slide valve body can be easily removed and cleaned.
In addition, according to the powder material measuring and transporting device according to the present invention, since any one of the slide type valve devices is used, a slide valve body housing and a slide valve are provided along with the metering and transportation of the powder material. The granular material adhering to and depositing on the body can be easily removed and cleaned.
Further, according to the powder material transport switching device according to the present invention, since any one of the slide type valve devices is used, a slide valve body housing or a slide valve is associated with the transport switching of the powder material. The granular material adhering to and depositing on the body can be easily removed and cleaned.

The best mode for carrying out the present invention will be described below with reference to the drawings.
1 (a) and 1 (b) are schematic longitudinal sectional views showing an example of a powder material transport switching device using the sliding valve device according to the first embodiment, and FIG. FIG. 3 (a) is a partially broken schematic plan view schematically showing the slide valve device, and FIG. 3 (b) is a slide valve body removing operation. FIG. 4 is a view similar to FIG. 3A for explaining the detachment operation, and FIG. 5A is a view showing a slide valve body from the slide valve device. The partially broken schematic plan view which shows the removed state typically, (b) is a X1 arrow line view in (a).
In addition, the front-back direction shown in each following embodiment demonstrates the front of the expansion direction of the piston rod of an air cylinder (slide valve drive part) as the front.

As shown in FIG. 2, the slide valve device 1 according to the present embodiment is roughly accommodated in a slide base 10 that constitutes an upstream side portion of the slide valve body housing, and is slidably accommodated in the slide base 10. A plate-like switching valve (slide valve body) 20, a slide cover 30 that covers the slide base 10 and covers the downstream side of the slide valve body housing, and the switching valve 20 are connected to perform slide control. The air cylinder 40 is provided with a pair of connection fixtures 50 and a pair of operation handles 60 that constitute a locking fastener.
In this embodiment, the slide type valve device 1 shows an example used in the transport switching device 100 for granular material, and the transport switching device 100 for granular material is shown in FIGS. As shown in b), an upstream cylindrical body portion 70 connected to the A material upstream air transport path 3A and the B material upstream air transport path 3B, which will be described later, is connected to the upstream side of the slide base 10; And a downstream cylinder part 80 connected to the downstream side air transport path 4 which will be described later, which is connected to the downstream side of the slide cover 30.

The upstream side cylinder part 70 is composed of two hollow cylindrical bodies in which a front side connection cylinder 71 and a rear side connection cylinder 72 are juxtaposed, and the front side connection cylinder 71 and the rear side connection cylinder 72 are In either case, the cross section is substantially circular with the same diameter.
The downstream end of the hollow cylindrical body is fixed to the back surface (upstream side surface) of the slide base 10.
The front side connecting cylinder 71 and the rear side connecting cylinder 72 are hermetically connected at their upstream ends to the A material upstream air transport path 3A and the B material upstream air transport path 3B, respectively. 71 and the cylindrical pipe lines 73 and 74 of the rear side connecting cylinder 72 constitute part of the A material upstream air transport path 3A and the B material upstream air transport path 3B, respectively.

The downstream cylindrical body 80 is connected to the downstream side of the slide cover 30 and is fixed to the upper surface of the slide cover 30, and is a flat funnel-shaped cylinder 81 that is gradually tapered toward the downstream side. The flat funnel-shaped cylinder 81 is further downstream, the cross section is substantially circular, and the inner diameter thereof is substantially the same as the inner diameter of the front connection cylinder 71 and the rear connection cylinder 72. And a downstream connecting cylinder 82.
The upstream end opening of the flat funnel-shaped cylinder 81 is substantially the same size and shape as the downstream opening 31 of the slide cover 30 described later.
Further, the downstream end of the downstream connection cylinder 82 is hermetically connected to the downstream air transport path 4, and the downstream connection cylinder 82 and the cylindrical conduit 83 of the flat funnel cylinder 81 and the slide cover described later. A downstream opening 31 established at 30 constitutes a part of the downstream air transport path 4.

As shown in FIG. 2, the slide base 10 has a plate-like bottom portion 11 with which the back surface of the switching valve 20 comes into contact and is in sliding contact with both ends of the bottom portion 11 in the width direction (direction perpendicular to the slide direction). Side wall portions 12, 12 erected upward, and two upstream side opening portions 13, 14 (front side opening portion 13 and rear side opening portion 14) opened independently at the bottom portion 11. ing.
The side wall portions 12 and 12 are provided along the sliding direction, and the side wall portions 12 and 12 and the bottom portion 11 constitute a slide groove 15 serving as a space for slidably receiving the switching valve 20. The
The height from the bottom part 11 of these side wall parts 12 and 12 is made into the height matched with the thickness of the plate-shaped valve body 21 of the switching valve 20 mentioned later, and in the state which accommodated the switching valve 20, side wall parts 12 and 12 are accommodated. And the upper surface of the plate-shaped valve body 21 are substantially flush with each other.
Further, the width between the side wall portions 12 and 12 is set such that the plate-like valve body 21 is slidably accommodated in accordance with the width of the plate-like valve body 21 of the switching valve 20 described later.

A substantially V-shaped notch groove 16 is formed in the outer wall of the slide base 10 near the rear end portions of the side wall portions 12 and 12 along the height direction of the side wall portions 12 and 12. The rear end side of the notch groove 16 constitutes a locking inclined portion having an inclined surface 16a corresponding to the inclined surface 54 of the locking claw portion 52 of the coupling fixture 50 described later.
As shown in FIG. 3A, the notch groove 16 is formed so that the tip of the locking claw portion 52 of the connection fixture 50 is notched in the state where the inclined surface 54 of the connection fixture 50 is in contact with or in pressure contact. The depth is such that it does not reach the deepest part.
Further, the side wall portions 12 and 12 of the slide base 10 are provided with female screw holes 17 on the further rear end side of the notch groove 16 to be screwed with the male screw portion 63 of the operation handle 60 described later. .
In the illustrated example, the female screw hole 17 is shown penetrating along the direction perpendicular to the sliding direction of the side wall portions 12 and 12 (thickness direction of the side wall portion). You may do it. That is, the female screw hole 17 may be deep enough to allow the coupling fixture 50 to be coupled and fixed by operating the operation handle 60 as will be described later.

The front side opening 13 and the rear side opening 14 formed in the bottom 11 are both substantially circular with the same diameter in plan view, and the diameters thereof are the front side connection cylinder 71 and the rear side connection cylinder 72. The inner diameter is substantially the same.
Moreover, these front side opening part 13 and back side opening part 14 are opened adjacently along the slide direction at a fixed space | interval. The distance between the front side opening 13 and the rear side opening 14 is such that the front side connecting cylinder 71 and the rear side connecting cylinder 72 are formed on the adjacent side formed to form an air transportation path that is airtightly separated. The interval is adjusted according to the thickness of the partition wall, and when the switching valve 20 to be described later is switched, an opening on the side different from the biting side and the switching valve can be used even when the particulate material is bitten. The 20 through-hole portions 22 are spaced so that at least a part thereof is aligned in plan view.
Further, in the state where the upstream cylinder part 70 is fixed to the back surface of the slide base 10 as described above, the upstream side openings 13 and 14 are formed on the upstream cylinder part 70 as shown in FIG. The front side connecting cylinder 71 and the rear side connecting cylinder 72 communicate with the cylindrical pipe lines 73 and 74, respectively, and, like the front side connecting cylinder 71 and the rear side connecting cylinder 72, the cylindrical pipe lines 73 and 74, the material A upstream side. Part of the side air transport path 3A and the B material upstream side air transport path 3B is configured.

As shown in FIG. 2, the switching valve 20 includes a plate-like valve body 21 having a through-hole portion 22 formed in a substantially central portion, a plate-like valve body 21 having a substantially rectangular shape in plan view, and the plate-like valve body 21. And a connecting portion provided at the rear end portion.
The through-hole portion 22 has a substantially circular shape in plan view, and is substantially the same diameter as the upstream openings 13 and 14 of the slide base 10 that are substantially circular.
The plate-like portions on the front side and the rear side along the sliding direction with the through-hole portion 22 interposed therebetween constitute blocking portions 23 and 24 that block the upstream opening portions 13 and 14 of the slide base 10, respectively.
When the plate-like valve body 21 is slid by an air cylinder 40 which will be described later, as shown in FIG. 1A, when the rear-side closing portion 24 closes the rear-side opening 14 of the slide base 10, the transparent valve body 21 is transparent. The hole 22 is aligned with the front opening 13 so that the front connection cylinder 71 and the downstream cylinder 80 communicate with each other. Further, as shown in FIG. 1B, when the front blocking part 23 closes the front opening 13 of the slide base 10, the through hole 22 is aligned with the rear opening 14 and the rear connection is established. The cylinder 72 and the downstream cylinder body 80 are communicated with each other.

As shown in FIG. 1, the connecting portion of the switching valve 20 includes a connecting bolt 25 that is screwed and connected to the tip of the piston rod 45 of the air cylinder 40, and a shaft portion of the connecting bolt 25. A connecting member 26 that holds the bolt head and a pair of bolts (not shown) for fixing the connecting member 26 to the rear end surface of the plate-like valve body 21 are provided.
In addition, the structure of the connection part which connects the switching valve 20 and the piston rod 45 of the air cylinder 40 is not restricted above, According to the connection structure of a piston rod, it can change suitably.

As shown in FIG. 2, the slide cover 30 is formed of a thin plate having a substantially rectangular shape in plan view, and a long hole-shaped downstream opening 31 is formed at a substantially central portion thereof. .
The slide cover 30 is fixed to the both side walls 12 and 12 of the slide base 10 with bolts or the like, and forms a rectangular cylindrical body having both ends in the slide direction opened by the slide base 10. The slide valve body housing which accommodates is comprised.
When the slide cover 30 is fixed to the slide base 10, the downstream opening 31 has a substantially semicircular front semicircle and a rear side of the rear opening 14. It is opened in a long hole shape between the semicircle and has a shape communicating with both of the upstream openings 13 and 14.

As shown in FIGS. 1A and 1B, the air cylinder 40 is moved back and forth within the cylinder casing 41, a connecting plate 42 fixed to the front end surface of the cylinder casing 41, and the cylinder casing 41. A piston (not shown), a piston rod 45 connected to the front surface of the piston and extending and contracting from within the cylinder casing 41, and air inflow / outflow pipes 46 respectively connected to the front and rear ends of the cylinder casing 41, (In FIG. 1, only the connection part of the air inflow / outflow pipes 46, 47 is shown in FIG. 1, and the air cylinder 40 is schematically shown in FIGS. .)
The air cylinder 40 constitutes a slide valve driving unit that reciprocates the switching valve 20 in the slide valve body housing.

As shown in FIG. 1, an insertion hole 42 a for inserting the piston rod 45 is formed at a substantially central portion of the connecting plate 42 fixed to the front end surface of the cylinder casing 41.
Further, as shown in FIG. 2, the connecting plate 42 is larger than the width of the cylinder casing 41 and substantially the same width as the slide base 10. Both ends 43 extending outward in a direction (a direction perpendicular to the sliding direction) are formed so as to be chamfered along the height direction, and are inclined surfaces that are inclined rearward and toward the center. 43a is formed, and both end portions 43 constitute a locking inclined portion. Moreover, this inclined surface 43a comprises the inclined surface provided corresponding to the inclined surface 54 of the connection fixture 50 mentioned later.
The stroke amount of the piston rod 45 of the air cylinder 40 is reduced as much as possible when the switching valve 20 is connected as described above, as shown in FIG. The hole 22 and the rear side opening 14 of the slide base 10 are aligned in plan view and, as shown in FIG. The stroke amount is such that the front opening 13 of the base 10 is aligned in plan view.

As shown in FIG. 2, each of the pair of connecting fixtures 50 is substantially U-shaped in a plan view, and faces facing each other across the recess 53 are widened toward the front side. It has the latching claw parts 52 and 52 made into the inclined surface 54 facing.
In the present embodiment, the connection fixture 50 includes a base portion 51 having an insertion hole 55 through which a male screw portion 63 of an operation handle 60 to be described later is inserted, and the locking claw portions 52 and 52 are provided with the base portion. Projecting from both ends of 51.
Further, as shown in FIG. 3 (a), inclined surfaces 54, 54 are formed at the base end portions of the locking claws 52, 52, as will be described later, the inclined surfaces 16a of the notch grooves 16 of the slide base 10, and The outer surface of the side wall portion 12 of the slide base 10, the end surface of the end portion 43 of the connection plate 42, and the inside of the base portion 51 of the connection fixture 50 in a state in which the inclined surface 43 a of the connection plate 42 of the air cylinder 40 is in contact or pressure contact The rising part which is not made into the inclined surface is formed so that a slight space | gap may be formed between side surfaces.
As will be described later, the connection fixture 50 is disposed across a connection portion between a rear end portion of the slide base 10 and a connection plate 42 fixed to a front end portion of the air cylinder 40, and the connection fixture By 50, the connection is fixed so as to sandwich them.

The operation handle 60 constitutes a manual operation unit, and is substantially L-shaped in a plan view as shown in FIG. 2, and protrudes from a rod-shaped handle unit 61 and one end of the handle unit 61. It consists of a screw part. The screw portion includes a restricting portion 62 that serves as a restricting surface whose tip is in contact with the outer surface of the base 51 of the coupling fixture 50, and a male screw portion 63 that is connected to the tip of the restricting portion 62.
The configuration of the handle portion 61 constituting the manual operation portion is not limited to a substantially rod shape as shown in the figure, but instead of the handle portion 61, a thumbscrew shape or a knurled shape is used. Etc., and it can be operated manually.

When connecting and fixing the slide base 10 constituting the slide valve body housing and the air cylinder 40 constituting the slide valve drive unit using the connection fixture 50 and the operation handle 60 having the above-described configuration, FIG. As shown in (a), the male screw 63 of the operation handle 60 is inserted into the female screw hole 17 of the slide base 10 in a state where the male screw portion 63 of the operation handle 60 is inserted into the insertion hole 55 of the connecting fixture 50. The part 63 is screwed.
At this time, the pair of inclined surfaces 54, 54 of the coupling fixture 50 and the inclined surface 16 a of the notch groove 16 of the slide base 10 and the inclined surface 43 a of the coupling plate 42 of the air cylinder 40 face each other. The operating handle 60 is rotated in a state where the connecting fixtures 50 are arranged, and the male screw portion 63 is screwed into the female screw hole 17 of the slide base 10. Thereby, the connection fixture 50 is restricted by the restriction portion 62 of the operation handle 60 and moves toward the axial tip of the male screw portion 63 (the connection portion side between the slide base 10 and the connection plate 42). . By the movement of the connecting fixture 50, the inclined surfaces 54, 54 are pressed against the inclined surface 16 a of the notch groove 16 of the slide base 10 and the inclined surface 43 a of the connecting plate 42 of the air cylinder 40.
Due to the pressure contact between the inclined surfaces 54 and 54 of the connecting fixture 50, the connecting and fixing of the rear end portion of the slide base 10 and the connecting plate 42 fixed to the front end portion of the air cylinder 40 is a taper action of these inclined surfaces. Is made stronger.

  On the other hand, when the air cylinder 40 connected and fixed to the slide base 10 as described above is removed from the slide base 10, as shown in FIG. The male screw part 63 of the handle 60 and the female screw hole 17 of the slide base 10 are loosened. Thereby, the restricting portion 62 of the operation handle 60 is retracted, and the connecting fixture 50 inserted through the male screw portion 63 can be retracted. In this state, the locking claw portion 52 of the coupling fixture 50 and the notch groove 16 of the slide base 10 and the both end portions 43 of the coupling plate 42 of the air cylinder 40 are locked. Release by separating them. When these locks are released, the switching valve 20 can be extracted from the rear end opening of the slide groove 15 of the slide base 10 along the slide direction, as shown in FIG.

  As described above, in the state where the switching valve 20 is extracted and removed, as shown in FIG. 5A, the switching valve 20 is connected to the air cylinder 40, but its surface is exposed. Easy cleaning. Further, as shown in FIG. 5B, the slide base 10 and the slide cover 30 constituting the slide valve body housing are open at the front and rear ends of the slide groove 15, so that high-pressure air can be sprayed or brushed. Etc., and can be easily and reliably cleaned. Further, since the slide valve body housings 10 and 30 can be cleaned by removing the switching valve 20 reciprocated by the air cylinder 40, for example, when cleaning without removing, there is a risk of injuries to fingers and the like by the slide valve body. However, it is possible to reliably prevent such a situation, and the slide valve device 1 is excellent in terms of safety.

  As described above, when the switching valve 20 is extracted from the slide base 10 and removed and then assembled, the procedure may be reversed. That is, the switching valve 20 is inserted into the slide groove 15, which is the accommodation space of the switching valve 20 surrounded by the slide base 10 and the slide cover 30, from the opening at the rear end thereof, and the front surface of the connecting plate 42 is connected to the slide base 10. It makes it contact | abut to a rear-end part. Next, the operation handle 60 is rotated, and each of the locking claws 52 of the connection fixture 50 is locked to the notch groove 16 and both end portions 43 of the connection plate 42 as described above, and the operation handle 60 is further rotated. It is easily connected and fixed by moving and tightening.

In the present embodiment, as a mode in which the connection fixture 50 is pressed toward the connection portion between the slide base 10 and the connection plate 42, the male screw portion 63 formed on the operation handle 60 and the side wall portion 12 of the slide base 10 are provided. Although the aspect made | formed by screwing with the formed female screw hole 17 is illustrated, it is not restricted to such an aspect. For example, the operation handles 60 are cam levers, and the coupling fixture 50 is inserted through the shafts of the cam levers, and the tip portions of the shafts are fixed to holes or the like provided in the side wall portion 12 of the slide base 10. It is good also as an aspect which presses the connection fixing tool 50 toward the said connection part by a cam action. Alternatively, the pair of cam levers are connected by a connecting shaft, and the connecting shaft is inserted into the through hole through which the slide base 10 passes in the width direction and the pair of connecting fixtures 50 and connected by the cam action of the cam lever. It is good also as an aspect which presses the fixing tool 50 toward the said connection part.
In the present embodiment, the connecting plate 42 having the inclined surface 43a is provided in the air cylinder 40, the notch groove 16 is provided in the side wall portion 12 of the slide base 10, and the female screw hole 17 is provided on the slide base 10 side. Although the aspect which provided this is illustrated, it is not restricted to such an aspect. For example, these may be provided in reverse. That is, the connecting plate provided at the front end of the air cylinder 40 may be thick, and a cutout groove may be provided on the connecting plate side, and a female screw hole may be provided in the connecting plate. Alternatively, instead of providing the notch groove 16 in the slide base 10, a connecting plate having the female screw hole as described above may be provided at the rear end portion of the slide base 10.
Further, for positioning the slide base 10 and the connecting plate 42, a guide pin or the like is projected on one of the slide base 10 along the slide direction, and a positioning hole or the like corresponding to the guide pin is provided on the other. Good.

Furthermore, in this embodiment, although the slide base 10 and the upstream cylinder part 70 are set as separate members, and the slide cover 30 and the downstream cylinder part 80 are set as separate members, these are shown. Each may be integrally molded.
That is, the slide base 10 and the upstream cylindrical portion 70 formed integrally are grasped as a slide base, or the slide cover 30 and the downstream cylindrical portion 80 are integrally formed as a slide cover. It is also possible to grasp. In this case, the whole may be grasped as constituting a slide valve body housing, and the slide valve device 1 may be grasped as a transport switching device for the granular material.
In addition, the upstream cylindrical portion 70, the slide base 10, the plate-like valve body 21 of the switching valve 20, the slide cover 30, the connecting fixture 50, the downstream cylindrical portion 80, and the like are made of a hard metal such as carbon steel. You may make it form with a material.

Furthermore, in the present embodiment, since the slide valve drive unit that slide-controls the switching valve 20 is the air cylinder 40, the slide valve drive unit can be made compact, and the entire apparatus can be made compact and low in cost. The slide valve drive unit is configured to reciprocate the slide valve body (switching valve 20) housed in the slide valve body housing (slide base 10 and slide cover 30). Anything is acceptable.
In the present embodiment, each of the upstream openings 13 and 14 provided in the slide base 10 and the through hole 22 provided in the switching valve 20 have a substantially circular shape in plan view. It may have a shape, a substantially square shape in plan view, or another polygonal shape.
Further, the cross-sectional shapes of the upstream cylindrical body portion 70 and the downstream cylindrical body portion 80 may be any shape as described above.

Next, another embodiment according to the present invention will be described with reference to the drawings.
6 (a) and 6 (b) both show a slide type valve device according to the second embodiment, (a) is a diagram corresponding to FIG. 3 (a), and (b) is FIG. It is a figure corresponding to b).
The difference from the first embodiment is mainly the configuration of the locking fastener. The same components are denoted by the same reference numerals, and the description thereof is omitted or briefly described.
Moreover, the slide type valve device 1A according to the present embodiment is also applicable to the powder material transport switching device described with reference to FIG. 1, similarly to the slide type valve device 1 according to the first embodiment.

The slide type valve device 1A according to the present embodiment is different from that of the first embodiment in the connecting fixture and the operation handle that constitute the locking fastener.
That is, among the connection fixtures, the base 51 of the connection fixture 50A disposed on the distal end side of the male screw portion 63A of the operation handle 60A is provided with a female screw hole 55A instead of the insertion hole 55. Yes.
Further, the operation handle 60A is not a pair of operation handles 60 provided in accordance with the pair of connection fixtures 50 as in the first embodiment, but a single operation handle 60A with respect to the pair of connection fixtures. Has been.

Like the operation handle 60, the operation handle 60A is substantially L-shaped and includes a handle portion 61 and a restricting portion 62. Unlike the operation handle 60, a long male screw portion 63A is continuously provided at the tip of the restricting portion 62.
The male screw portion 63A is inserted into the insertion hole 55 of the base portion 51 of the coupling fixture 50 arranged on the base end side of the male screw portion 63A and penetrates in the width direction of the bottom portion 11A of the slide base 10A. It is inserted through the provided through hole 18 and has a length capable of being screwed into the female screw hole 55A of the connecting fixture 50A disposed on the distal end side of the male screw portion 63A with the slide base 10A interposed therebetween.
That is, in the slide type valve device 1A, the male screw portion 63A of the operation handle 60A is inserted into the insertion hole 55 of the coupling fixture 50 arranged on the proximal end side, and is inserted into the through hole 18 of the slide base 10A. Then, the male screw portion 63A protruding from the outer wall surface of the slide base 10A is screwed into the female screw hole 55A of the connection fixture 50A. In this state, the locking claws 52, 52 of the respective connecting fixtures 50, 50A are locked to the notch groove 16 and the end portion 43 of the connecting plate 42 as described above, and the operation handle 60A is rotated in the tightening direction. Thus, each of the connecting fixtures 50 and 50A inserted and screwed into the male screw portion 63A is pressed toward a direction close to each other, that is, toward the connecting portion between the slide base 10A and the connecting plate 42. Thereby, similarly to the above, the coupling and fixing of the slide base 10A and the air cylinder 40 are firmly performed.

The male threaded portion 63A does not need to be threaded from the distal end of the restricting portion 62, and is threaded only at least at the distal end portion, that is, at a portion screwed with the female screw hole 55A of the connecting fixture 50A. Also good.
Further, in the same manner as in the first embodiment, instead of a mode in which the operation handle 60A is screwed to the connection fixture 50A and each connection fixture 50, 50A is pressed toward the connection portion, the operation handle is a cam lever, The shaft of the cam lever is inserted into the connecting fixture 50 on the proximal end side, and is inserted into the through hole 18 of the slide base 10A so that the same connecting fixture 50 is rotatably held at the distal end thereof. Also good. In this case, the connecting fixtures 50 and 50 are pressed against the connecting portion by the cam action of one cam lever.

Next, still another embodiment according to the present invention will be described with reference to the drawings.
FIGS. 7A to 7C all show a slide type valve device according to the third embodiment, FIG. 7A is a view corresponding to FIG. 3A, and FIG. 7B is a slide valve body. X2 arrow view in (a) of the state which removed, (c) is X2 arrow view in (a) of the slide valve drive part of the removed state.
The difference from the first embodiment is mainly the configuration of the locking fastener. The same components are denoted by the same reference numerals, and the description thereof is omitted or briefly described.
Moreover, the slide type valve device 1B according to the present embodiment is also applicable to the particulate matter material transport switching device described with reference to FIG. 1 in the same manner as the slide type valve device 1 according to the first embodiment.

The locking fastener of the sliding valve device 1B according to the present embodiment includes a swing bolt part 56 and a knob operation part 64.
The swing bolt portion 56 includes a holding portion 59 fixed to the outer wall in the vicinity of the rear end portion of the side wall portions 12 and 12 of the slide base 10B, and a bolt rotatably supported (swingable) by the holding portion 59. A connecting shaft 57 and a male screw portion 58 fixed to the bolt connecting shaft 57 are provided.
The knob operation portion 64 includes a knob portion 65 that is knurled and a restriction portion 66 that is connected to one end of the knob portion 65, and a female screw hole is formed from the restriction portion 66 side.

Further, the slide base 10B is formed with a flange portion 19 extending outward in the width direction on the outer wall of the rear end portion of the side wall portions 12 and 12 in place of the notch groove 16, respectively. 19 is formed with a notch 19a for receiving the male screw portion 58 of the swing bolt portion 56.
Further, the connecting plate 42A fixed to the front end surface of the cylinder casing 41 of the air cylinder 40 has both end portions 43A, 43A extending in accordance with the extending width of the flange portion 19, and the both end portions 43A, 43A, Also in 43A, notches 44, 44 similar to the above are formed at positions where they are aligned.

In the slide type valve device 1B according to the present embodiment having the above-described configuration, the male thread portion of the swing bolt portion 56 in a state where the notch portion 19a of the slide base 10B and the notch portion 44 of the connecting plate 42A are aligned. 58 is rotated and accommodated in these notches 19a and 44. In this state, by rotating the knob portion 65 screwed into the tip of the male screw portion 58 to the tightening side, the connecting plate 42A is moved to the rear of the slide base 10B by the restricting portion 66 of the knob operation portion 64. The slide base 10B and the air cylinder 40 are connected and fixed by being pressed against the end portions. That is, also in the present embodiment, the pair of swing bolt portions 56 and the pair of knob operation portions 64 constitute a pair of connection fixtures disposed across the connection portion between the slide base 10B and the air cylinder 40. By operating the knob portion 65 serving as a manual operation portion to the tightening side, connection and fixation are performed so as to sandwich the flange portion 19 of the slide base 10B and the end portion 43A of the connection plate 42A.
In addition, the aspect of the knob | pick part 65 which comprises a manual operation part is not restricted to the knurled knob knurled like an example of a figure, It is good also as things, such as a handle shape and a wing nut shape.
Further, instead of the above aspect, the cam portion of the slide base 10B and the end portion 43A of the connecting plate 42A are clamped by the cam action of the cam lever in which the connecting shaft is rotatably supported by the holding portion. It is good also as an aspect which connects and fixes these.

  As described above, in the first embodiment to the third embodiment, the configuration of each locking fastener is provided with a pair of connecting fixtures arranged across the connecting portion between the slide base and the air cylinder, and each manual operation. By exemplifying the configuration, the embodiment is illustrated in a configuration in which the slide base and the air cylinder are clamped and fixed by the connection fixture, but not limited thereto, the slide base, the air cylinder, Are connected and fixed with a locking fastener having a manual operation part, and when the manual operation part is operated to release the connection and fixation between the slide base and the air cylinder, the switching valve is moved in the sliding direction from the slide base. A structure that can be pulled out along and removed.

Next, referring to FIG. 8, an example of a particulate material transport system to which the particulate material transport switching device 100 using the slide valve devices 1, 1 </ b> A, 1 </ b> B configured as described above is applied. I will explain. FIG. 8 is a schematic system diagram schematically showing the transport system.
In this transport system, the granular material material tank (A material storage tank) 2A in which the granular material material A (A material) is stored and the granular material material in which the granular material material B (B material) is stored. A storage tank (B material storage tank) 2B, A material storage tank 2A, B material storage tank 2B, and two systems A material upstream air transport path (A material transport path) 3A connecting the transport switching device 1 And a B material upstream air transport path (B material transport path) 3B and a downstream air transport path 4 connected to the downstream side of the transport switching device 1.
Moreover, in this transport system, the downstream end of the downstream air transport path 4 is connected to a collector 5 to which a suction blower 6 as a suction means is connected, and the powder particles transported to the collector 5 The body material is sequentially supplied to the molding machine 8 through the temporary storage hopper 7.

In the transport system configured as described above, the suction blower 6 is operated so that the A material and the B material stored in the storage tanks 2A and 2B are directed toward the downstream air transport path 4 as follows. Transported.
That is, when pneumatically transporting the material A toward the downstream side, as shown in FIG. 1A, the piston rod 45 of the air cylinder 40 is extended, and the through hole 22 of the switching valve 20 is slid. While aligning with the front side opening 13 of the base 10 (10A, 10B. The same applies hereinafter), the rear side opening 14 of the slide base 10 is closed by the rear side closing part 24 of the switching valve 20.
In this state, the B material transport path 3B is blocked, the A material transport path 3A and the downstream air transport path 4 are communicated, and the A material is transported pneumatically toward the downstream side.

On the other hand, when pneumatically transporting the material B toward the downstream side, as shown in FIG. 1B, the piston rod 45 of the air cylinder 40 is shortened, and the through hole 22 of the switching valve 20 is slid. While aligning with the rear side opening part 14 of the base 10, the front side opening part 13 of the slide base 10 is obstruct | occluded by the front side obstruction | occlusion part 23 of the switching valve 20. FIG.
In this state, the A material transport path 3A is blocked, and the B material transport path 3B and the downstream air transport path 4 are communicated with each other, so that the B material is pneumatically transported toward the downstream side.

By switching the switching valve 20 as described above at short time intervals, each material is intermittently pneumatically transported toward the downstream side, and the collector 5 is in a state where both materials are appropriately mixed. It becomes.
In addition, by adjusting the switching time of the switching valve 20, two types of granular material can be transported and mixed at a predetermined blending ratio.
In the above transport system, a system that pneumatically transports two types of resin pellets as a granular material to a molding machine that is a transport destination is illustrated. However, the transport destination is not a molding machine but a mixed material is stored. It may be used as a storage tank or a dry hopper for drying the mixed material.
Moreover, in the above transport system, a system that pneumatically transports two types of resin pellets as a powder material toward a molding machine that is a transport destination is not limited to this, but other two types of materials, For example, a system that pneumatically transports a material such as a metal material, a wood material, a chemical material, or a food material toward a molding machine or a processing machine may be used.

Next, still another embodiment according to the present invention will be described with reference to the drawings.
9 (a) and 9 (b) show an example of a metering / transporting device for granular material using the slide type valve device according to the fourth embodiment, (a) is a schematic longitudinal sectional view, b) is a schematic longitudinal sectional view taken along line YY in (a), FIGS. 10 (a) and 10 (b) show the same slide type valve device, and (a) shows a slide valve body removed. FIG. 5B is a schematic side view showing the state, and is a diagram corresponding to FIG.
Note that differences from the first embodiment will be mainly described, and the same components will be denoted by the same reference numerals, and description thereof will be omitted or simplified.

As shown in FIG. 9, the slide type valve device 1C according to the present embodiment is roughly accommodated in a slide base 10C constituting the upper surface side portion of the slide valve body housing, and slidably accommodated in the slide base 10C. A plate-shaped switching valve (slide valve body) 20A, a measuring container 90 fixed to the lower surface (downstream side surface) of the switching valve 20A, an air cylinder 40 for connecting and switching the switching valve 20A, and a latch A pair of connection fixtures 50 and a pair of operation handles 60 that constitute a tightening tool are provided.
In this embodiment, the slide type valve device 1C shows an example used in the powder material measuring and transporting device 101. The powder material measuring and transporting device 101 is shown in FIGS. As shown in b), a material supply unit 75 and a material discharge pipe 78 fixed to the upper surface (upstream side surface) of the slide base 10C are provided.

The material supply unit 75 includes a material storage hopper (material storage unit, material input unit) 77 and a material input pipe 76 that is connected to a discharge port at the lower end of the material storage pipe and constitutes an upstream transport path. The material input pipe 76 communicates with the rear side opening 13A of the slide base 10C described later.
The material discharge pipe 78 constitutes a downstream air transport path, and its start end communicates with the front opening 14A of the slide base 10C, which will be described later, while its terminal end is described above via the air transport pipe or the like. Such a suction means is connected to a collector or the like to which it is connected.

The slide base 10C has a top plate portion 11B with which the upper surface (upstream side surface) of the switching valve 20A comes into contact and is in sliding contact with both ends of the top plate portion 11B in the width direction (direction perpendicular to the slide direction). Side wall portions 12A and 12A that are vertically suspended and a pair of valve body guide portions 30A that are fixed to the lower end portions of the side wall portions 12A and 12A.
The top plate portion 11B is provided with a rear side opening portion 13A constituting an upstream side opening portion and a front side opening portion 14A constituting a downstream side opening portion along the sliding direction.
Each of the rear side opening 13A and the front side opening 14A has a substantially circular shape with the same diameter in plan view, and the diameters thereof are substantially the same as the inner diameters of the material input pipe 76 and the material discharge pipe 78, respectively. Has been.

The side wall portions 12A and 12A are provided along the sliding direction, and a slide groove 15A serving as a space for slidably accommodating the switching valve 20A is formed by the side wall portions 12A and 12A and the top plate portion 11B. Composed.
The height of these side wall portions 12A and 12A from the top plate portion 11B is a height that matches the thickness of the plate-like valve body 21 of the switching valve 20A described later, and in the state in which the switching valve 20A is accommodated, the side wall portion 12A. , 12A and the lower surface of the plate-like valve body 21 are substantially flush with each other.
Further, the width between the side wall portions 12A and 12A is set to a width that allows the plate-like valve body 21 to be slidably accommodated in accordance with the width of the plate-like valve body 21 of the switching valve 20A described later.
Notch grooves 16 (see FIG. 10A) similar to those described above are formed along the height direction of the side wall portions 12A and 12A on the outer walls in the vicinity of the rear end portions of the side wall portions 12A and 12A of the slide base 10C. Has been. The side wall portions 12A and 12A of the slide base 10C are provided with female screw holes 17 (see FIG. 10B) similar to those described above on the further rear end side of the notch groove 16.
Further, the valve body guide portions 30A respectively provided along the sliding direction at the lower end portions of the both side wall portions 12A and 12A, as shown in FIG. 9B, are fixed to the lower surface of the switching valve 20A. When the container 90 is slid and moved together with the switching valve 20A as will be described later, the lower surfaces of both ends of the switching valve 20A are slidably held so that the container 90 can move.

Similarly to the above, the switching valve 20A has a plate-like valve body 21 having a substantially rectangular plate-like body in plan view, and a rear end portion of the plate-like valve body 21. And a plate-like portion of the front side and the rear side along the sliding direction with the through-hole portion 22 interposed therebetween, and the rear side opening 13A of the slide base 10C and Blocking portions 24 and 23 are configured to block the front side opening portion 14A.
A measuring container 90 is slidably fixed to the lower edge (downstream edge) of the through hole 22 together with the switching valve 20A.

The weighing container 90 is roughly moved up and down inside the material measuring main body cylinder 91 with the edge of the upper end opening fixed to the lower edge of the through hole 22 and the inside of the material measuring main body 91. An inner cylinder 92 that is freely provided, and an outer cylinder 95 that is provided on the outer periphery of the material measuring main body cylinder 91 so as to be movable up and down are provided.
The inner cylinder 92 is provided at the upper end opening thereof, and is provided at the lower end opening of the air distribution network 93 that allows air to flow and prevents the passage of the granular material. And a filter part (air circulation part) 94.
The outer cylinder 95 includes an adjustment screw 96 provided at an upper end portion for positioning and holding the upper and lower positions of the outer cylinder 95 with respect to the material measuring main body cylinder 91, and the inner cylinder 95 with respect to the inner cylinder 95. An adjustment screw 97 provided at the lower end for positioning and holding the vertical position of the cylinder 92 is provided.
In the measuring container 90 configured as described above, the outer cylinder 95 and / or the inner cylinder 92 are moved up and down with respect to the material measuring main body cylinder 91, and each of the adjusting screws 96 and 97 is used to position and hold them. The storage amount of the granular material in the material measuring main body cylinder 91 can be appropriately changed.

In the granular material weighing and transporting apparatus 101 configured as described above, the plate-like valve body 21 is slid by the air cylinder 40, so that the through-hole portion 22 has the rear side opening portion 13A and the front side opening portion 14A. When one of them is communicated, the other is closed by the closing portions 23 and 24.
That is, when the piston rod 45 of the air cylinder 40 is shortened to the maximum, as shown in FIG. 9A, the through hole portion 22 of the switching valve 20A and the rear side opening portion 13A of the slide base 10C are seen in a plan view. To match. In this state, the material supply unit 75 and the measurement container 90 communicate with each other, and the material from the material supply unit 75 is temporarily stored in the measurement container 90 and the through hole portion 22. In this state, the front opening 14A of the slide base 10C is closed by the front closing part 23 of the switching valve 20A.
On the other hand, when the material request signal from the molding machine or the like as described above is received, the piston rod 45 of the air cylinder 40 is extended. In this fully extended state, the through hole 22 of the switching valve 20A and the front opening 14A of the slide base 10C are aligned in plan view. In this state, the material discharge pipe 78 and the measurement container 90 communicate with each other, and the material temporarily stored in the measurement container 90 and the through hole portion 22 is collected in the material discharge pipe 78. The material is pneumatically transported toward the material discharge pipe 78 by suction of a suction means or the like communicated with each other. In this state, the rear opening 13A of the slide base 10C is closed by the rear blocking part 24 of the switching valve 20A.

When the switching valve 20A is removed from the slide base 10C for cleaning or the like in the granular material weighing and transporting apparatus 101 having the above-described configuration, as in the above embodiments, as shown in FIG. Then, the operation handle 60 is rotated to release the connection and fixation by the connection fixture 50, and the switching valve 20A can be removed along with the measuring container 90 from the rear end opening of the slide groove 15A along the slide direction. .
As a result, the slide base 10C and the switching valve 20A can be easily, reliably and safely cleaned as in the above embodiments.
In place of the locking fasteners 50, 60 provided in the sliding valve device 1C according to the present embodiment, the locking fasteners 50, 50A, 60A provided in the sliding valve device 1A described in the second embodiment are used. Alternatively, the locking fasteners 56 and 64 provided in the sliding valve device 1B described in the third embodiment may be provided. In these cases, the slide base 10C and the connecting plate 42 may be appropriately modified as described above in accordance with these locking fasteners.
In the present embodiment, as the powder material weighing and transporting apparatus 101, the material supply unit 75 is connected to the rear side opening 13A of the slide base 10C, and the material discharge pipe 78 is connected to the front side opening 14A. Although an example is shown, these may be reversed and can be appropriately modified.

Next, still another embodiment according to the present invention will be described with reference to the drawings.
11 (a) and 11 (b) both show an example of a metering device for granular material using the slide type valve device according to the fifth embodiment, (a) is a schematic longitudinal sectional view, b) is a schematic longitudinal sectional view taken along the line ZZ in (a), FIGS. 12 (a) and 12 (b) show the same slide type valve device, and (a) shows the slide valve body removed. FIG. 5B is a schematic side view showing the state, and is a diagram corresponding to FIG.
Note that differences from the first embodiment will be mainly described, and the same components will be denoted by the same reference numerals, and description thereof will be omitted or simplified.

As shown in FIG. 11, the slide type valve device 1D according to the present embodiment is roughly accommodated in a slide base 10D constituting the downstream side portion of the slide valve body housing, and slidably accommodated in the slide base 10D. A plate-like on-off valve (slide valve body) 20B, a slide cover 30B provided on the upstream side of the on-off valve 20B and constituting the upstream side portion of the slide valve body housing, and the on-off valve 20B are connected, and slide control is performed And a pair of connecting fixtures 50 and a pair of operation handles 60 that constitute a locking fastener.
In this embodiment, the slide type valve device 1D shows an example used for the powder material measuring and supplying device 102. The powder material measuring and supplying device 102 is shown in FIGS. As shown in b), a material supply unit 77 fixed to the upper surface of the slide cover 30B and a measuring container 90A constituting a material measuring unit fixed to the lower surface of the slide base 10D are provided.

In the present embodiment, the material supply unit 77 is a material storage hopper (material storage unit, material input unit) 77, and a discharge port at the lower end thereof is formed in an upstream opening 31A opened in a slide cover 30B described later. It is communicated. In the present embodiment, the lower end discharge port of the material storage hopper 77 constitutes the upstream transport path.
The weighing container 90A has substantially the same configuration as the weighing container 90 described in the fourth embodiment, and only the differences will be described.
That is, in the weighing container 90A, the edge of the upper end opening of the material measuring main body cylinder 91A is fixed to the lower edge of the downstream opening 13B provided in the slide base 10D described later. In addition, a material discharge pipe 98 communicating with the material measurement main body cylinder 91A is connected to the vicinity of the upper portion of the material measurement main body cylinder 91A in a lateral direction or a slightly upward direction. The material discharge pipe 98 constitutes a downstream air transport path, and the terminal portion thereof is connected to a collector or the like to which the above suction means is connected via an air transport pipe or the like.

The slide base 10D has a bottom portion 11C with which the lower surface of the on-off valve 20B comes into contact and is in sliding contact, and a side wall portion erected upward at both ends in the width direction (direction perpendicular to the slide direction) of the bottom portion 11C. 12B, 12B.
A downstream opening 13B is formed in the bottom 11C.
The downstream opening 13B has a substantially circular shape in plan view, and the diameter thereof is substantially the same as the inner diameter of the material measuring main body cylinder 91A.
The side wall portions 12B and 12B are provided along the sliding direction, and the side wall portions 12B and 12B and the bottom portion 11C constitute a slide groove 15B serving as a space for slidably receiving the on-off valve 20B. The

The height of these side wall portions 12B and 12B from the bottom portion 11C is set to a height that matches the thickness of a plate-like valve body 21A of an on-off valve 20B to be described later. And the upper surface of the plate-shaped valve body 21A are substantially flush with each other.
Further, the width between the side wall portions 12B and 12B is set such that the plate-like valve body 21A is slidably accommodated in accordance with the width of the plate-like valve body 21A of the on-off valve 20B described later.
The same notch grooves 16 (see FIG. 12A) are formed on the outer walls of the slide base 10D in the vicinity of the rear end portions of the side wall portions 12B and 12B along the height direction of the side wall portions 12B and 12B. Has been. Further, the side wall portions 12B and 12B of the slide base 10D are provided with the same female screw holes 17 (see FIG. 12B) on the further rear end side of the notch groove 16.

The on-off valve 20B has a through-hole portion 22 on the front side, and is provided at a plate-like valve body 21A made of a substantially rectangular plate-like body in a plan view and a rear end portion of the plate-like valve body 21A. And a plate-like portion on the rear side of the through hole 22 closes an upstream opening 31A of the slide cover 30B and a downstream opening 13B of the slide base 10D described later. The blocking part 23 is configured.
That is, unlike the switching valves 20 and 20A, the on-off valve 20B according to the present embodiment has a configuration in which a closing portion is not provided on the front side thereof.

The slide cover 30B is formed of a thin plate having a substantially rectangular shape in plan view, and an upstream opening 31B having a diameter substantially equal to that of the lower end discharge port of the material storage hopper 77 is formed at a substantially central portion thereof. It has been established.
The slide cover 30B is fixed to the both side walls 12B and 12B of the slide base 10D with bolts or the like, and forms a rectangular cylindrical body having both ends in the slide direction opened by the slide base 10D. The slide valve body housing which accommodates is comprised.
When the slide cover 30B is fixed to the slide base 10D, the upstream opening 31B is aligned with and communicates with the downstream opening 13B opened in the slide base 10D in a plan view. Yes.

In the particulate material metering device 102 configured as described above, the plate-like valve body 21A is slid by the air cylinder 40, whereby the upstream side opening 31B and the downstream side opening 13B are opened and closed. It is configured.
That is, when the piston rod 45 of the air cylinder 40 is shortened to the maximum, as shown in FIG. 11A, the through hole 22 of the on-off valve 20B, the upstream opening 31A of the slide cover 30B, and the slide base 10D. Is aligned with the downstream opening 13B in plan view. In this state, the material storage hopper 77 and the measurement container 90A communicate with each other, and the material from the material storage hopper 77 is temporarily stored in the measurement container 90A and the through-hole portion 22.
On the other hand, when the material request signal from the molding machine or the like as described above is received, the piston rod 45 of the air cylinder 40 is extended. In the fully extended state, the upstream opening 31A of the slide cover 30B and the downstream opening 13B of the slide base 10D are closed by the closing part 23 of the on-off valve 20B. In this state, the communication between the material storage hopper 77 and the measuring container 90A is blocked, and a predetermined amount of material is stored in the measuring container 90A. Next, in this state, by operating a suction means or the like communicated with the material discharge pipe 98 through a collector or the like, the material stored in the measuring container 90A is aired toward the material discharge pipe 98. Transported.

Further, when the on-off valve 20B is removed from the slide base 10D for cleaning or the like in the metering material supply device 102 having the above-described configuration, as in the above embodiments, as shown in FIG. Then, the operation handle 60 is rotated to release the connection and fixation by the connection fixture 50, and the on-off valve 20B can be removed from the rear end opening of the slide groove 15B along the slide direction and removed.
Thereby, the cleaning of the slide base 10D and the on-off valve 20B can be performed easily, reliably and safely as in the above embodiments.
In place of the locking fasteners 50, 60 provided in the slide type valve device 1D according to the present embodiment, the locking fasteners 50, 50A, 60A provided in the slide type valve device 1A described in the second embodiment are used. Alternatively, the locking fasteners 56 and 64 provided in the sliding valve device 1B described in the third embodiment may be provided. In these cases, the slide base 10D and the connecting plate 42 may be appropriately modified as described above in accordance with these locking fasteners.
In the present embodiment, as the on-off valve 20B of the slide type valve device 1D, an example is shown in which a plate-like valve body 21A having a through hole portion 22 on the front side and a closing portion 23 on the rear side is used. May be reversed and can be modified as appropriate. Furthermore, it is good also as a structure which provided only the obstruction | occlusion part, without providing the through-hole part 22. FIG. That is, the open / close valve 20B may be a simple open / close slide shutter (slide gate valve).
Furthermore, in this embodiment, although the example which used said slide type valve apparatus 1D for the metering supply apparatus 102 of a granular material is shown, it is not restricted to this, The upstream by which granular material is transported You may make it integrate between a transportation route and a downstream transportation route. Or you may make it comprise the supply apparatus of a granular material material, installing in a material injection | throwing-in part etc.

Moreover, in each said embodiment, although the example which used each slide type valve apparatus for the transport switching apparatus of a granular material material, a measurement transport apparatus, a measurement supply apparatus, etc. is shown, it is not restricted to these, A granular material As long as it is a part that is incorporated in the middle of the material transportation path and controls the transportation of the granular material transported in the transportation path, it may be incorporated in any part.
Furthermore, although the air cylinder 40 is illustrated as a slide valve drive part with which each slide type valve apparatus is equipped, the structure of this slide valve drive part is each said slide valve body accommodated in each said slide valve body housing. As long as the cylinder is reciprocated, a hydraulic cylinder, an electric cylinder, an electric screw shaft (such as a ball screw), or the like may be used. Furthermore, it is good also as a slide valve drive part which enabled control of the opening degree adjustment by each slide valve body, ie, the expansion / contraction control of the connecting shaft connected with a slide valve body.

(A), (b) is a schematic longitudinal cross-sectional view which shows an example of the transport switching apparatus of the granular material using both embodiment of the slide type valve apparatus which concerns on this invention. It is a disassembled schematic perspective view which shows typically the principal part of the same slide type valve apparatus. (A) is a partially broken schematic plan view schematically showing the slide type valve device, and (b) is a view similar to (a) for explaining the removal operation of the slide valve body. It is a figure similar to Fig.3 (a) for demonstrating the removal operation | movement. (A) is a partially broken schematic plan view schematically showing a state in which the slide valve body is removed from the slide valve device, and (b) is a view taken in the direction of arrow X1 in (a). (A), (b) shows other embodiment of the sliding valve apparatus which concerns on this invention, (a) is the figure corresponding to Fig.3 (a), (b) is FIG. It is the figure made to respond | correspond to (b). (A)-(c) all show other embodiment of a slide type valve device concerning the present invention, (a) is a figure corresponding to Drawing 3 (a), and (b) is a slide. X2 arrow view in (a) of the state which removed the valve body, (c) is X2 arrow view in (a) of the slide valve drive part of the removed state. 1 is a schematic system diagram schematically showing an example of a particulate material transportation system to which a particulate material transportation switching device using a sliding valve device according to the present invention is applied. (A), (b) shows an example of the metering transportation apparatus of the granular material material which uses further another embodiment of the slide type valve apparatus which concerns on this invention, (a) is a schematic longitudinal cross-sectional view. (B) is a schematic longitudinal cross-sectional view in the YY line arrow in (a). (A), (b) shows the same slide type valve device, (a) is a schematic side view showing a state in which the slide valve body is removed, and (b) corresponds to FIG. 5 (b). It is a figure. (A), (b) shows an example of the metering supply apparatus of the granular material using both further embodiment of the slide type valve apparatus which concerns on this invention, (a) is a schematic longitudinal cross-sectional view (B) is a schematic longitudinal cross-sectional view in the ZZ line arrow in (a). (A), (b) shows the same slide type valve device, (a) is a schematic side view showing a state in which the slide valve body is removed, and (b) corresponds to FIG. 5 (b). It is a figure.

Explanation of symbols

1, 1A, 1B, 1C, 1D Sliding valve device 3A A material upstream air transport path (upstream air transport path, transport path)
3B B material upstream air transport path (upstream air transport path, transport path)
4 Downstream air transport route (transport route)
10, 10A, 10B Slide base (upstream side of slide valve housing)
10C slide base (slide valve housing)
10D slide base (downstream side of slide valve housing)
13 Front opening (upstream opening)
13A Rear opening (upstream opening)
13B downstream opening 14 rear opening (upstream opening)
14A Front side opening (downstream side opening)
15, 15A, 15B Slide groove (void of slide valve housing)
16 Notch groove (locking slope of slide valve housing)
16a Inclined surface 20, 20A Switching valve (slide valve element)
20B Open / close valve (slide valve)
22 Through-hole part 23, 24 Closure part 30 Slide cover (downstream part of slide valve body housing)
30B Slide cover (upstream side of slide valve housing)
31 Downstream side opening 31A Upstream side opening 40 Air cylinder (slide valve drive unit)
43 End of connecting plate (locking slope of slide valve drive)
43a Inclined surface 50, 50A Connecting fixture (locking fastener)
52 Locking claw portion of the connecting fixture 53 Recessed portion of the connecting fixture 54 Inclined surface of the connecting fixture 60, 60A Operation handle (locking fastener)
61 Handle part (manual operation part)
56 Swing bolts (locking fasteners, connecting fixtures)
64 Picking operation section (locking fasteners, connecting fixtures)
65 Pick section (manual operation section)
75 Material supply section (upstream transportation route, transportation route)
77 Material storage hopper (upstream transport route, transport route)
78,98 Material discharge pipe (downstream air transport path, transport path)
DESCRIPTION OF SYMBOLS 90 Measuring container 94 Air distribution part 100 Powder material transport switching device 101 Powder material metering device 102 Powder material metering supply device (powder material supply device)

Claims (7)

A slide type valve device that is incorporated in the middle of the transportation path of the granular material and performs transportation control of the granular material transported in the transportation path,
A plate-shaped slide valve body, a slide valve body housing having a space for reciprocally moving the slide valve body, and the slide connected to the slide valve body and housed in the slide valve body housing A slide valve drive unit for reciprocating the valve body,
The slide valve body housing and the slide valve drive unit are connected and fixed by a locking fastener having a manual operation unit,
When the connection and fixation between the slide valve body housing and the slide valve drive section are released by operating the manual operation section, the slide valve body can be removed from the slide valve body housing along the sliding direction and removed. A slide type valve device characterized by having a structure. In claim 1,
The slide valve body housing has an open end on the side different from the extraction direction. In claim 1 or 2,
The locking fastener includes a pair of connection fixtures disposed across a connection portion between the slide valve body housing and the slide valve drive unit, and operates the manual operation unit, thereby connecting the connection fixture. The slide valve device is structured to be connected and fixed so as to sandwich the slide valve body housing and the slide valve drive unit. In claim 3,
The coupling fixture has locking claw portions that are inclined so that the surfaces facing each other across the recess expand toward the front side, and the slide valve body housing and the slide The valve drive portion is formed with a locking inclined portion having an inclined surface corresponding to the inclined surface of the locking claw portion of the coupling fixture,
By operating the manual operation portion, the connection fixture is pressed toward the connection portion, and the engagement inclined portion of the slide valve body housing and the slide valve drive portion are engaged by the engagement claw portion of the connection fixture. A sliding valve device characterized in that it has a structure that sandwiches the locking inclined portion. A powder material supply device using the sliding valve device according to any one of claims 1 to 4,
The slide valve body housing is provided with an upstream opening in the upstream side portion thereof that communicates with the upstream transportation path, and on the downstream side portion thereof in the downstream transportation path and the upstream opening portion. There is a downstream opening that communicates,
The apparatus for supplying granular material, wherein the upstream opening and the downstream opening are opened and closed by the reciprocating movement of the slide valve body by the slide valve driving section. A metering and transporting device for granular material using the sliding valve device according to any one of claims 1 to 4,
The slide valve body has a closed portion and a through-hole portion, and at the downstream edge portion of the through-hole portion, an edge portion of the other end side opening of the measuring container having an air circulation portion at one end portion. Fixed,
In the slide valve body housing, an upstream opening communicated with the upstream transport path and a downstream opening communicated with the downstream air transport path are established along the slide direction,
When the slide valve body is reciprocated by the slide valve drive unit and the through hole portion communicates with one of the upstream opening and the downstream opening, the other is blocked by the blocking portion. A metering and transporting device for granular material, characterized in that it is configured as described above. It is a transport switching device of granular material using the slide type valve device according to any one of claims 1 to 4,
The slide valve body has a closed portion and a through-hole portion, and the slide valve body housing has two independent upstream sides respectively communicating with two upstream air transport paths on the upstream side portion thereof. While the opening is established along the sliding direction, on the downstream side thereof, the downstream opening that is communicated with the downstream air transportation path of one system is established,
When the slide hole body is communicated with one of the two independent upstream openings by the reciprocating movement of the slide valve body by the slide valve drive part, the upstream opening and the downstream opening The particulate material transport switching device is characterized in that the other upstream opening is closed by the closing portion while being in communication with the portion.

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