JPH0829543B2 - Net supply / collection device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to the supply of nets used for removing excess water in raw materials in the manufacturing process of, for example, hard wood chip cement boards and insulation boards. The present invention relates to a recovery device.

[Prior Art] Hard wood chip cement boards, which are obtained by mixing wood chips flakes, cement, water and the like into a strip, are often used as materials for outer walls of buildings.

This hard wood chip cement board is disclosed, for example, in JP-A-56-140058.
As disclosed in the publication, a raw material composed of a mixture of wood flakes, cement, water and the like is supplied onto an endless belt, and the raw material is cured by heating and pressurizing the raw material. If the excess water generated during this curing treatment is not removed, cavities or layer cracks will occur in the hard wood cement board.

As a method of removing the excess water, a net body such as a wire net is placed on the upper surface of the raw material and water is removed from the voids of the net body when pressed by a press machine.

The work of placing the net on the upper surface of the raw material requires relatively skill such as preventing the net from wrinkling and matching the corners, and is time-consuming. Also, work to remove the net on the cement board after removing excess water,
It had to be done quietly so as not to scratch the cement board, which required a relatively high degree of skill and time.

Therefore, a device for automating these operations has been developed. For example, Japanese Patent Application Laid-Open No. 60-5672 discloses an automatic net body collecting device.
There is one disclosed in Japanese Unexamined Patent Publication No. 5 (1993) -5, and an automatic feeder for a net body is disclosed in Japanese Unexamined Patent Publication No. 60-56727.
In the automatic recovery device, an endless belt is installed on the runway of the mesh body, a hook attached to the endless belt is hooked at one end of the mesh body that moves together with the cement plate, and the mesh body is peeled off from the cement plate so as to be lifted upward. After that, the net body removed from the cement plate is hung and stored in the storage rack. Further, in the above-mentioned automatic net feeder, an endless belt is provided above the transport path of the cement plate raw material, and the hook provided on the endless belt is accommodated in the same storage rack as the above during the traveling. One end of the mesh body is hooked, the mesh body is pulled out from the storage rack, and moved along with the lower surface of the endless belt to be placed on the cement plate raw material.

[Problems to be Solved by the Invention] However, in the above-described conventional automatic net body collecting device and automatic feeding device, one end of the net body is hooked to supply and collect the net body. It had the drawback of damaging the body and shortening its life.

In addition, the slag of cement adheres to the net body once used for removing excess water. Therefore, it is necessary to remove the cement slag when reusing the net once used,
Generally, it is washed with water. However, when the automatic collecting device and the automatic supplying device for the net body are used, even if the net body is housed in the storage rack by the automatic collecting device,
In order to wash with water, all the stored nets must be taken out from the storage rack once, and after cleaning the nets, they must be put into the storage rack again and set in the automatic feeder. There was a drawback that it took a lot of time.

The present invention has been made in view of the problems of the above-mentioned conventional techniques, and the purpose thereof is to not damage the net body,
Moreover, there is a need to provide a net body supply / collection device that can reduce labor.

[Means for Solving the Problems] The present invention has been made to achieve the above object, and its gist is to dispose a press molding apparatus for processing a raw material into a plate in the middle of a plate conveying path. The grips provided at both ends of the net body placed on the plate raw material are gripped on both the upstream side and the downstream side of the press molding device in the plate body conveying path so that the net body is held by both sides. A net attachment / detachment device for lifting and moving to a holding state is arranged, and these net attachment / detachment devices are connected to each other by a net transfer device. A net for cleaning the moving net in the middle of the net transfer device. The net supply / recovery device is characterized in that a cleaning device is arranged.

[Operation] The net body is lifted by the net body attaching / detaching device on the upstream side to be moved from the net body conveying device to the plate conveying path in a two-sided holding state in which both end portions are grasped, and the plate on the plate conveying path is moved. Placed on the body material. Since the net body is gripped in both sides,
It stays in a natural curved state where it flexes under its own weight, and the net is not damaged. After that, the plate raw material moves along with the net in the plate transport path, and is processed by a press molding device in the middle of the process, and excess water in the raw material is removed at that time. After the processing is completed, the net body remaining on the plate body is also lifted by the net body attaching / detaching device on the downstream side in a double-supported state, removed from the plate body, and moved from the plate body conveying path to the net body conveying device. Then, the net body is returned from the downstream net body attaching / detaching device to the upstream side net body attaching / detaching device by the net body conveying device,
In the middle of the process, cleaning is performed by a net cleaning device, and the adhering raw material slag is removed.

In this way, the flow of the net body is a closed loop in which the net body is supplied to the plate raw material, the net body is removed from the processed plate body, the net body is washed, and the net body is supplied again to the plate raw material. Therefore, wasteful work is eliminated and productivity is improved.

[Embodiment] An embodiment of the present invention will be described below with reference to the drawings from FIG. 1 to FIG. The net in this example is used for manufacturing a hard wood chip cement board as a board.

The mesh 100 is a rectangular flexible wire mesh 1 as shown in FIG.
A hanger 102 made of a metal plate is provided at both ends of 01 in the longitudinal direction. A grip portion 103 projects from each end of the hanger 102.

FIG. 1 is a plan layout view of a net body supply / recovery device, which is the gist of the present invention, and FIG. 2 is a side view thereof, in which the net body supply / recovery device is press-molded from a cement plate material. Hot press apparatus 1, a cement board transport path (mesh transport path) 10 for transporting the cement plate raw material to the hot press apparatus 1 and sending out the cement board after molding, and the cement board transport path 10 arranged in parallel The mesh transfer device 20 whose transfer direction is opposite to the transfer direction of the cement plate transfer path 10
And a mesh cleaning device 30 provided in the middle of the mesh transfer device 20.
And, in the cement board conveying path 10, upstream of the hot press device 1 (right side in FIGS. 1 and 2), the mesh body attached / detached over the cement board conveying path 10 and the mesh body conveying apparatus 20 is attached. The device 50 and the mesh on the cement plate conveying path 10 downstream of the hot press machine 1 (on the left side in FIGS. 1 and 2) and laid over the cement plate conveying path 10 and the net body conveying device 20. It is composed of a body attaching / detaching device 90.

The cement board conveying path 10 includes a first conveyor 11 and a second conveyor 12 on the upstream side of the hot pressing apparatus 1, and a third conveyor 13 and a fourth conveyor on the downstream side of the hot pressing apparatus 1.
Consists of conveyor 14 and.

The mesh transfer device 20 is composed of a first conveyor 21, a second conveyor 22, a third conveyor 23, and a fourth conveyor 24 which are arranged in this order from the downstream side to the upstream side of the cement board transfer path 10. The fourth conveyor 24 is equipped with a pair of clamp devices 24a and 24b at the front and rear. The clamp devices 24a and 24b clamp both the hangers 102 of the mesh body 100 and pull the wire mesh.
Wrinkle 101 and mesh body attaching / detaching device 5 to be described later
This is for facilitating the lifting work of the net 100 by 0.

The cleaning device 30 is arranged in the middle of the second conveyor 22, and is composed of a high-pressure pump unit 31 and a sprinkling unit 32. The sprinkling unit 32 is a closed chamber, and the second conveyor 22 penetrates the sprinkling unit 32. Then, the mesh body 100 conveyed by the second conveyor 22 is the sprinkling unit 32.
When passing through, the high-pressure water sent from the high-pressure pump unit 31 is jetted from above the sprinkling unit 32, and the net body 10
It is supposed to wash 0.

Further, the net body attaching / detaching device 50 arranged on the upstream side of the cement plate transport path 10 is bridged over the first conveyor 11 of the cement plate transport path 10 and the fourth conveyor 24 of the net body transport device 20. . FIG. 3 is a front view of the mesh body attaching / detaching device 50 as seen from the downstream side of the cement plate conveying path 10, and FIG. 4 is a net body attaching / detaching device 50.
It is a principal part side view of FIG. The net attachment / detachment device 50 has a robust elevated structure 51 having a gate shape when viewed from the front, and the upper part of the elevated structure 51 is formed so as to intersect with the transport direction of the cement plate transport path 10. A pair of extending rails (tracks) 52 are provided. A movable table 53 is driven by a motor (not shown) to run on the rail 52.

An actuator 54 is installed on the movable table 53, and a frame 55 assembled in a rectangular shape in plan view is guided by the actuator 54 by a guide rod 60 and is hung so as to be able to move up and down. The longitudinal direction of the frame 55 coincides with the carrying direction of the cement board carrying path 10. A shaft 56 is supported at each end of the frame 55 in the longitudinal direction with its axial center positioned parallel to the moving direction of the movable table 53. Each shaft 56 has an actuator 57 fixed to the frame 55.
It is driven and rotated by. Each shaft
Swing arms 58, 58 extending downward are fixed to both ends of 56, and the tip ends of the swing arms 58, 58 forming a pair are connected by a connecting member 59.

At each end of the connecting member 59, as shown in FIGS. 5 and 6, a chuck mount 61 is suspended so as to be able to move up and down via a support rod 62 and a guide lot 63. On the support block portion 61a of the chuck mount 61, a support arm 64 having a U-shape in plan view is supported so as to be horizontally movable in the same direction as the movable base 53. That is, the support block portion 61a is penetrated by two support rods 65, 65 which are arranged in parallel in the vertical direction with the axis centered horizontally, and both ends of both the support rods 65, 65 support the above-mentioned support rods 65, 65. It is fixed to both ends of the open side of the arm 64. Further, springs 66 are provided between the support block portion 61a and the support arms 64 on both sides of the support block portion 61a.
It is biased to be in the center of 4. With this mechanism, even if there is a slight manufacturing error in the separation dimension of the grip portions 103, 103 of the net 100, there is no problem in lifting the net 100.

An actuator 68 is fixed inside the support arm 64. The actuator 68 is for moving the pair of chuck support blocks 67, 67 located below to approach and separate from each other as shown by an arrow in FIG. The movement directions of the chuck support blocks 67, 67 are the same as the movement direction of the movable table 53. A chuck 69 having a rotating shaft 69a positioned in parallel with the moving direction of the movable table 53 is rotatably supported on each chuck support block 67, and the claw portions 69b of each chuck 69 are positioned to face each other. are doing. By bringing the pair of chuck support blocks 67, 67 close to each other, as shown in FIG.
It can be held by the claw portions 69b.

Further, a hanger upper presser 70 is supported on the outer side of the support arm 64 so as to be able to move up and down, and is urged downward by a spring 71. The hanger upper presser 70 cooperates with a hanger lower presser (not shown) provided on the fourth conveyor 24 of the mesh transfer device 20 to hold the hanger 102 of the mesh 100.

The fourth conveyor 24 of the net transfer device 20 is located substantially in the center of the lower part of the elevated structure 51, and the fourth conveyor 24 is interposed between the fourth conveyor 24 and the cement plate transfer path 10 at the start of operation. A trolley 80 for loading the body 100 is prepared.

On the other hand, the net body attachment / detachment device 90 arranged on the downstream side of the cement board transport path 10 has both a structural and functional structure except that the length of the elevated structure is short because there is no space to accommodate the carriage 80. Basically, there is no difference from the net body attaching / detaching device 50 on the upstream side. Therefore, the description thereof is omitted, and in the following description, the reference numerals of the components of the net body attaching / detaching device 90 are the same as the reference numerals of the components of the net body attaching / detaching device 50.

The mesh supply / recovery device is operated, for example, as follows.

First, a carriage 80 carrying a predetermined number of mesh bodies 100 is set at a predetermined position below the mesh body attaching / detaching device 50, and a movable table is provided above it.
Move 53. At this time, the longitudinal direction of the net 100 is made parallel to the carrying direction of the cement board carrying path 10.

Next, the swing arms 58 are directed right below, and the chucks 69 are held in a horizontal posture to lower the frame 55. When each chuck 69 reaches the height at which the grip portion 103 of the net body 100 can be held, the frame 55 stops. Then, each chuck 68 is closed by each actuator 68, and the net 100
The four grip portions 103 are sandwiched.

After gripping each grip 103 with each chuck 69,
5 rises and lifts the net 100. At that time, the wire net 101 of the net 100 is bent and curved by its own weight. on the other hand,
Simultaneously with the start of the ascending of the frame 55, each swing arm 58 is driven by each actuator 57 as shown by an imaginary line in FIG. Freely rotate with respect to the chuck support block 67 as shown in FIG. The rotation speed of the swing arm 58 is set so as to reasonably correspond to the natural bending posture of the mesh body 100 due to the weight of the wire mesh 101, and as a result, the mesh body 100 is lifted in a very comfortable posture. It will be. In particular, since each chuck 69 is also designed to rotate, the net body 100 is made up of the wire net 101 and the hanger 10.
It does not bend at the connection with 2.

Next, the movable table 53 moves in parallel to the cement board conveying path 10 in a state where the net 100 is lifted. And the frame
53 gradually descends, and the net 100 is gently lowered onto the cement plate raw material A on the template placed at a predetermined position on the first conveyor 11. At this time, the net body 100 changes to a shape opposite to that when it is just lifted up, that is, gradually changes from a curved posture to a horizontal and flat posture. On the other hand, at the same time that the central portion of the wire mesh 101 contacts the cement plate raw material A, each swing arm 58 is driven by each actuator 57 to rotate so that its tip gradually faces outward, and each chuck 69 supports the chuck. block
Rotate against 67. As a result, the posture of the mesh body 100 can be changed very reasonably.

Then, when the net 100 is placed on the cement plate raw material A and is in a flat state, the swing arm 58 is oriented in the vertical direction and each chuck 69 is in a horizontal posture. At the same time, the swing arm 58 stops rotating. After that, each chuck 69 is opened by each actuator 68, and the mesh body 100 is released from the upstream side mesh body attaching / detaching device 50. The above-mentioned work of placing the net 100 on the cement plate raw material A is performed while the first conveyor 11 is stopped.

Then, after separating the mesh body 100 from each chuck 69,
The frame 55 rises, and the movable base 53 moves in parallel on the carriage 80 again. Then, in the same procedure as described above, the mesh
100 is placed on the cement board raw material A on the first conveyor 11. After the predetermined number of nets 100 are carried from the carriage 80 to the cement plate transport path 10, the upstream net body attachment / detachment device 50 stops on the net body transport device 20.

On the other hand, when the net 100 is placed on the cement board raw material A, the first conveyor 11 of the cement board conveying path 10 starts operation, and the cement board raw material A is hot-pressed through the second conveyor 12. Sent to 1. By this hot press device 1, the cement plate raw material A is heated and pressed to be hardened. At that time, excess water contained in the cement plate raw material A is removed.

The processed cement board A'is sent to the fourth conveyor 14 via the third conveyor 13, and when the cement board A'is positioned directly below the net body attaching / detaching device 90 on the downstream side, the fourth conveyor 14 'is provided.
Stops. At this time, the movable table 53 of the net body attaching / detaching device 90 is located on the cement plate conveying path 10, operates in the same manner as the upstream side net body attaching / detaching device 50, and is placed on the cement plate A ′. The net body 100 is lifted. Then, the net body attaching / detaching device 90
The movable table 53 moves in parallel on the mesh transfer device 20 and stops, and the mesh 100 is lowered onto the stopped first conveyor 21.

When the net 100 is placed, the first conveyor 21 starts operating and sends the net 100 to the second conveyor 22. While being transferred by the second conveyor 22, the mesh 100 passes through the sprinkling unit 32 of the cleaning device 30. In the sprinkling unit 32, high-pressure water is sprayed onto the mesh 100 to wash away the cement slag adhering to the mesh 100.

The cleaned mesh 100 is sent from the second conveyor 22 to the fourth conveyor 24 via the third conveyor 23, and when the mesh 100 is located directly below the upstream mesh attachment / detachment device 50, the fourth conveyor 24 Stop. Here, both hangers 102 of the net body 100 are clamped by the clamp devices 24a and 24b and pulled in the longitudinal direction.

Next, the frame 53 of the net attachment / detachment device 50 with the swing arm 58 directed vertically downward is lowered. Then, each hanger upper presser 70 comes into contact with the hanger 102 of the net 100, and in cooperation with the hanger lower presser (not shown), the elastic force of the spring 71 presses the vicinity of the handle 103 of the hanger 102 in a horizontal posture. . Even if the height position of the hanger 102 varies due to the different warped states of the individual nets 100, etc., the chuck mount 61 is supported so as to be able to move up and down with respect to the connecting member 59, so the above variations are absorbed. As a result, the hanger 102 is always pressed by the constant elastic force of the spring 71.

After that, each chuck 69 is closed in the same manner as the above-described operation, the grip portion 103 of the hanger 102 is clamped by the chuck 69, and the net body 100 is lifted in a curved posture.
It is placed on the cement plate raw material A on the first conveyor 11 of the cement plate conveying path 10. After that, the net 100 is supplied to the cement board raw material A, and the net 1 from the processed cement board A ′ is used.
00 removal, net 100 cleaning, cement board raw material A
A series of flows of the net 100 to supply the net 100 to the closed loop becomes a closed loop. Therefore, there is no wasteful work and the productivity is very high.

It goes without saying that the net body supply / recovery device according to the present invention can be used not only for the production of cement plates but also for the production of insulation bows and the like.

[Effects of the Invention] As described above, according to the present invention, the net body is not damaged, and the net body is removed from the plate body after the supply / working of the net body of the plate raw material. Since the series of net flows of the washing and the re-supply of the net to the plate raw material form a closed loop, there is no wasteful work, and the excellent effect of extremely improving the productivity is exhibited.

[Brief description of drawings]

The drawings from FIG. 1 to FIG. 9 show an embodiment of the present invention. FIG. 1 is a plan layout view of a net supply / recovery device, FIG. 2 is a side layout view thereof, and FIG. FIG. 4 is a front view of the net body attaching / detaching device, FIG. 4 is a side view of the same, FIG. 5 is an enlarged front view showing a chuck part in an unclamped state, FIG. 6 is an enlarged side view of the same, and FIG. 7 is a clamped state. FIG. 8 is a front view of the chuck, FIG. 8 is a side view of the chuck portion showing a state in which the chuck is rotated when the net is lifted, and FIG. 9 is a plan view of the net. 1 ... Hot press machine (press molding machine), 10 ... Cement board conveyor (plate conveyor), 20 ... Net conveyor,
30: Net body cleaning device, 50, 90 ... Net body attaching / detaching device, 100 ...
... Net, 103 ... Handle, A ... Cement plate raw material (plate raw material), A '... Cement plate (plate).

Claims (2)

[Claims] 1. A press molding device for processing a raw material into a plate is disposed in the middle of a plate conveying path, and the plate is provided upstream and downstream of the press molding device in the plate conveying path. A net body attaching / detaching device for grabbing the grips provided at both ends of the net body placed on the raw material and lifting and moving the net body in a two-sided state is arranged. A net body supply / collection device characterized in that a net body cleaning device for cleaning a moving net body is arranged in the middle of the net body transport device, which is connected by a carrying device. 2. The net body supply / recovery device according to claim 1, wherein the net body cleaning device is a device for spraying water for cleaning.