JPS64173B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a manufacturing apparatus for manufacturing separators for regulating the spacing between concrete forms.

(Prior art and its problems) The separator as described above is manufactured through a sizing process in which a wire is cut into a predetermined size, a washer fitting process in which a washer is fitted to both ends of the wire that has been cut to a predetermined length, and a washer. It is manufactured by a rolling process in which a washer-receiving rib is formed on the wire on the inside of the washer, and screw grooves are rolled on both ends of the wire on the outside of the washer. The cutting process was performed using a special machine for size cutting, the washer fitting process was performed manually, and the rolling process was performed using a special machine for rolling.

This conventional method has the drawback that the manufacturing cost is extremely high, and a certain number of separators must be manufactured in bulk, even if the separators are of special dimensions and are rarely used.

(Means for Solving the Problems) The present invention proposes a separator manufacturing apparatus capable of solving the conventional problems as described above, and its characteristics are that the separator is fed in the longitudinal direction and horizontally. A wire rod size cutting device that cuts the wire rod into a predetermined length, and a pair of left and right conveyors that receive the wire rods that have been cut by this wire rod size cutting device and fall down, and transport the received wire rods in a horizontal direction perpendicular to the length direction. a pair of left and right washer fitting devices for fitting washers to both ends of the wire rod conveyed by the conveyor; and washer-receiving ribs formed at positions inside the washers of the wire rod sent out from the conveyor. and a pair of left and right rolling devices that form screw grooves on both ends of the wire outside the washer, and the wire size cutting device changes the position of a wire rod tip receiving stopper that determines the cutting length. The cutting length is configured to be changeable, and furthermore, among the pair of left and right conveyors, the pair of left and right washer fitting devices, and the pair of left and right rolling devices, the device located on the side of the movable stopper is adjustable in the widthwise position. The point is that it is installed on one movable platform.

(Example) An example of the present invention will be described below based on the attached illustrative drawings.

In FIGS. 1 and 2, a separator wire 2 fed from a wire coil 1 is fed horizontally in the length direction of the wire 2 to an automatic size cutting device 3, and cut into a predetermined length. and falls onto the lower conveying device 4. This conveying device 4 receives the dimension-cut wire material falling from the automatic dimension cutting device 3, and also feeds the wire material 2 to the automatic dimension cutting device 3 in a horizontal direction perpendicular to the length direction of the received wire material. The device conveys wire rods cut into dimensions in the horizontal direction perpendicular to the direction, and on both sides of this conveyor device 4, there are one or more sets of washer fitting devices 6 for fitting washers to the ends of the wire rods. In the illustrated example, 2
The group is attached. A guide 5 is disposed on the side of the conveying device 4 so as to face each washer fitting device 6, and guides one end of the wire being conveyed to a predetermined position.

At the end of the conveying path of the conveying device 4, a screw groove is rolled at a certain length on both ends of the wire being conveyed by the conveying device 4, and the screw groove is rolled at a position an appropriate distance inward from the screw groove rolling area. A pair of left and right rolling devices 7 for rolling washer-receiving ribs on the wire 2, and a press means 8 for pressing a suitable central portion of the wire 2 into a flat shape are provided.

A fixed part 9 is disposed on one side of the wire transport path formed by the transport device 4, and a fixed part 9 is disposed on the other side of the wire transport path, and is supported on a table 11 and moved by the moving means 12. A movable table 10 that can be moved in the direction of distance from and near the part 9 is disposed, and the conveying device 4, washer fitting device 6, and rolling device 7 are installed separately in the fixed part 9 and the movable table 10. . The position of the movable base 10 is adjusted in advance so that the distance between the fixed part 9 and the movable base 10 corresponds to a predetermined wire length.

To explain in more detail based on FIGS. 3 to 6, FIG. 3 shows the automatic size cutting device 3, in which the wire 2 is fed through the through hole 14 of the guide 13, and the tip is connected to the positioning stop. 15, the automatic dimensioning and cutting device 3 is activated.

That is, the screw shaft portion 1 into which the stopper 15 is screwed
The shaft body 16 having a diameter 6a is capable of sliding only in the axial direction at a spline shaft portion 16b near the end on the feeding direction side of the wire rod 2 with respect to the bevel gear 18 which is supported only rotatably by a bearing 17. The wire rod 2 is biased in the opposite direction to the feeding direction by a compression coil spring 21 interposed between the thrust bearing 19 fitted to the shaft body 16 and the fixed-side spring receiver 20. has been done. Reference numeral 22 denotes a driving bevel gear that meshes with the bevel gear 18. By rotationally driving this bevel gear 22 by a driving means (not shown), the shaft body 16 is rotated via the bevel gear 18, and the stopper 15 is rotated. The position of the wire rod 2 can be adjusted forward or backward in the feeding direction of the wire rod 2.

The end of the shaft body 16 on the opposite side to the wire rod feeding direction is provided with a movable base 2 that can slide back and forth in the wire rod feeding direction.
It is rotatably supported by a bearing member 24 attached to 3. The guide 13 having the through hole 14 is attached to the movable base 23 , and a movable blade body 27 that can be raised and lowered and has a cutting blade portion 26 in sliding contact with the inner end surface 25 of the guide 13 is attached to the movable base 23 .
is supported by 28 is a spring that biases the movable blade body 27 in the upward direction; The other end 28c is in contact with the movable blade body 27.
The pin 30 is in contact with the lower side of the pin 30 protruding from the top. 31
is a hammer that moves up and down continuously, and when the movable base 23 moves a certain distance in the feeding direction of the wire rod 2, the step surface 32 formed at the upper end of the movable blade body 27 is moved to the striking part 33 of the hammer 31. When entering the lower side, the striking portion 33 strikes the movable blade body 27 downward via the step surface 32.

According to the automatic size cutting device 3 described above, the tip of the wire rod 2 being fed comes into contact with the stopper 15 via the through hole 14 of the guide 13, and the shaft body 16 and the movable table 23 are connected via the stopper 15. are integrally pressed and moved in the wire feeding direction against the biasing force of the compression coil spring 21. However,
When the movable base 23 moves a certain distance in the wire feeding direction, the movable blade body 2 moves together with the movable base 23.
A hammer 31 in which the stepped surface 32 of No. 7 is moving up and down.
The movable blade 27 enters the vertical path of the striking part 33, and the movable blade body 27, which is at the upper limit position, is driven down by the striking part 33 due to the biasing force of the spring 28. As a result, the wire 2 is instantly cut by the rear end surface 25 of the guide 14 (the exit of the through hole 14) and the cutting blade portion 26 at the position where the wire rod 2 exits from the through hole 14.

The length of the cut wire 2 is equal to the distance between the stopper 15 and the rear end surface 25 of the guide 14 (the exit of the through hole 14). Therefore, the cut length of the wire 2 can be adjusted by rotating the shaft 16 and changing the position of the stopper 15 back and forth in the wire feeding direction, as described above. That is, according to this automatic size cutting device 3, a wire rod cut to an arbitrary length can be obtained. The position of the stopper 15 can be adjusted even when the device is in operation.
This can be done freely by rotating 2.

When the cut wire 2 falls downward due to the impact from the movable blade 27, the stopper 15 and the shaft 1
6, and the movable base 23 are compressed coil springs 21
The wire rods are moved backward together by the urging force of , return to the original position, and wait for the wire rod 2 to be fed subsequently.

As shown in FIG. 4, the cut wire falls through a wire guide disposed below the device 3 and is supplied to the conveying device 4. As shown in FIG. 1, this conveying device 4 is composed of a pair of left and right chain conveyors 34 and 35, one chain conveyor 34 is fixed in position on a fixed part 9, and the other chain conveyor 35 is supported on a movable table 10. As a result of the movable table 10 being moved in accordance with the cut length of the wire rod 2, both chain conveyors 34 and 35 always support the wire rod 2 at positions near both ends thereof, regardless of the length of the cut wire rod, It can be transported. Both chain conveyors 34 and 35 hold and convey wire rods one by one in recesses 37 (see FIG. 4) between convex portions 36 spaced at equal intervals.

Next, the washer fitting device 6 for fitting the cup-shaped washers 44 to the ends of the separator wire rods 38 which are conveyed substantially horizontally in parallel at regular intervals by the conveying device 4 will be described.

As shown in FIG. 1, this washer fitting device 6 is located at one side of the conveying path of the wire rod 38 by the conveying device 4, that is, at two locations on the front and back of the fixing section 9 side, and at the washer fitting device on the fixing section 9 side. 6 on the other side of the conveyance path in the conveyance direction (downward side) of the conveyance device 4, that is, on the front and back two locations on the movable table 10 side, and facing the washer fitting device 6 on the fixed part 9 side. The guides 5 are arranged on the side of the movable base 10 and on the side of the fixed part 9 facing the washer fitting device 6 on the side of the movable base 10, respectively. A guide plate 39 (see FIG. 1) guides the other end to a predetermined position toward the washer fitting device 6, and the position of this guide plate 39 is set in the width direction of the wire transport path (the length direction of the wire 38). and a position adjustment means 42 such as a cylinder for adjusting the position of the guide plate 3.
The rear half of the wire rod 9, that is, the end side on the wire transport direction side, is open, and its elasticity presses the wire rod 38 toward the opposing washer fitting device 6.

Also, one of the two washer fitting devices 6 on the same side, for example, the front washer fitting device 6 (on the upper side in the wire transport direction) is for handling, for example, a flat washer; The device 6 handles the cup-shaped washer 44, and only one of the two sets of washer fitting devices 6 is selected depending on the washer to be fitted to the wire rod 38. used.

The structure of each washer fitting device 6 is basically the same, and the structure and operation of the washer fitting device 6 that handles the cup-shaped washer 44 will be explained below. As shown in FIGS. 5 and 6, this washer fitting device 6 is provided with two rows of rail-like members 46a and 46b on the sides of the wire rod conveying device 4 to provide a moving path for the end of the wire rod 38. A groove-shaped washer moving path 47 is formed so as to overlap in parallel with the washer 44, and the washer moving path 47 is formed to project diagonally outward and upward from the starting end 47a by a length shorter than the diameter of the washer 44. space 48 for positioning the washer, and this space 48
One cup-shaped washer 44 is placed from above so as to straddle the inside and the starting end 47a of the washer moving path 47, with the shaft hole 45 of the washer intersecting diagonally with the moving path of the end of the wire 38. A washer feeding guide 41 is provided. This washer feeding guide 41 is connected to a washer feeder 40 that is the same as a nut feeder or the like.

The side wall of the washer positioning space 48 is formed by the lower end of the washer feeding guide 41, and the washer feeding guide 41 includes a cup-shaped washer 44.
A passage 49 is provided in which the washer is vertically stacked one by one in the vertical direction with the direction of the shaft hole 45 being horizontal and moves downward by gravity. A cutout opening 50 is provided to allow escape movement of the washer 44 from 48 to the washer movement path 47. 43 is a fixed guide plate arranged in parallel with the wire end movement path on the upper side than the washer positioning space 48;
Reference numeral 51 denotes a stopper pin that is provided at the lower end of the passage 49 (directly above the washer positioning space 48) so as to be able to move in and out. By protruding this stopper pin 51, the washer positioning space 4
The feeding of washer 44 into 7 can be stopped.

When the stopper pin 51 is removed, the washer feeding guide 41 is moved by the feeder 40.
The lowermost cup-shaped washers 44, which are supplied in a vertically stacked state with their peripheral edges abutting each other, are located in the washer positioning space 48 as shown in FIG.
and the starting end 47a of the washer moving path 47, and the shaft hole 45 of the washer intersects diagonally with the moving path of the wire end.

On the other hand, the wire rod 3 transported by the transport device 4
8 is positioned in the width direction of the conveyance path by the guide plate 39 of the guide 5 and the fixed guide plate 43. Therefore, the cup-shaped washer 44 positioned and waiting in the washer positioning space 48 can be reliably fitted into the shaft hole 45 to the end of the wire 38 being conveyed by the conveying device 4. become.

The cup-shaped washer 44 that is automatically fitted to the end of the wire in this way moves along the wire rod 3 within the washer movement path 47.
It will move together with 8. On the other hand, when the washer 44 at the lowest end of the washer feeding guide 41 is pulled out by the wire rod 38 as described above, the next washer 44 placed on the washer 44 falls under its own weight into the washer positioning space 48. and wait.

Once the cup-shaped washer 44 is fitted to one end of the wire rod 38 using one washer fitting device 6 as described above, the wire rod 38 is fitted with a washer on the opposite side that is paired with the washer fitting device 6. When passing through the position of the device 6, the cup-shaped washer 44 is fitted onto the other end of the wire 38 in the same manner as described above. Wire rod 38 with washers 44 fitted on both ends in this way
is sent to the rolling device 7 at the next stage by the conveying device 4, and a screw groove is rolled in a constant length region of both ends to form a helical shaft portion. At this time, the washer receiving rib rolling portion 53 (fourth
(see figure), a washer-receiving rib is formed at a position an appropriate distance inward from the inner end of the screw shaft portion at both ends, and the washer 44 which is fitted first is
It is held between this rib and the screw shaft portion.
At an appropriate central portion of the wire 38 sent out from the rolling device 7, a rotation preventing nip portion is then pressed into a flat shape by the pressing means 8.

(Operations and Effects of the Invention) As described above, according to the separator rolling device of the present invention, by simply feeding the wire rod from the wire coil to the wire rod size cutting device, the wire rod can be cut to a predetermined size, and the wire rod can be cut to a predetermined size. During the process of rolling the wire in the horizontal direction perpendicular to its length, washers are fitted to both ends of the wire, and washer-receiving ribs and screw grooves are automatically fitted in sequence with a rolling device. By rolling, separators for tightening formwork can be manufactured. Moreover, when changing the cutting length of the wire rod by changing the position of the wire rod receiving stopper of the wire rod size cutting device, the movable base supporting one side of the pair of left and right conveyors, the washer fitting device, and the rolling device, respectively, can be changed. By adjusting the position in the width direction, it is possible to fit washers to the ends of wire rods of different lengths and roll washer receiving ribs and screw grooves without any problems, so separators of any length can be used. It can be manufactured extremely easily.

In other words, even if the separators have special dimensions, they can be manufactured in the required number extremely easily by simply adjusting the position of the wire receiving stopper of the wire size cutting device and the position of the movable base. It is possible to achieve significant cost reductions.

[Brief explanation of drawings]

Fig. 1 is a schematic plan view showing the entire separator manufacturing machine, Fig. 2 is an enlarged elevation view thereof, Fig. 3 A is a longitudinal cross-sectional elevation view of the automatic sizing cutting device, and Fig. 3 B is a plan view of the main parts. 4 is an enlarged sectional view taken along the line A-A in FIG. 1, FIG. 5 is a perspective view showing the main parts of the flange material fitting device, and FIG. 6 is a cross-sectional plan view of the same device. 2...Wire rod, 3...Automatic size cutting device, 4...
Wire rod conveyance device, 5... Guide, 6... Washer fitting device, 7... Rolling device, 9... Fixed part, 10... Movable base, 11... Table, 12... Moving means, 1
3...Guide, 14...Through hole, 15...Stopper for positioning the tip of wire rod, 16...Shaft body, 21...
... Compression coil spring for biasing the shaft body, 22 ... Drive bevel gear for adjusting the stopper position, 23 ...
...Slidable movable base, 24...Bearing member, 2
6... Cutting blade portion, 27... Movable blade body, 28... Spring for movable blade biasing body, 31... Hammer, 3
2... Step surface for being hit, 33... Hitting part, 34,3
5... Chain conveyor, 38... Dimensionally cut wire rod, 39... Guide plate, 40... Feeder, 41... Washer feeding guide, 42... Guide plate position adjustment means, 43... Fixed guide plate , 44...Cup-shaped washer, 45...Shaft hole,
47... Washer movement path, 48... Space for washer positioning.

Claims (1)

[Claims] 1. A wire rod size cutting device that cuts the wire rod fed horizontally in the length direction into a predetermined length, and a wire rod size cutting device that receives the wire rod that has been cut by this wire rod size cutting device and falls down, and a device that is a pair of left and right conveyors that are conveyed in orthogonal horizontal directions, a pair of left and right washer fitting devices that fit washers to both ends of the wire rods conveyed by these conveyors, and A pair of left and right rolling devices are provided, each forming a washer-receiving rib at an inner position and forming a screw groove at both ends of the wire outside the washer. The cut length can be changed by changing the position of a stopper for receiving the wire rod tip, which determines the length of the wire rod, and furthermore, among the pair of left and right conveyors, the pair of left and right washer fitting devices, and the pair of left and right rolling devices, the movable stopper Separator manufacturing equipment for formwork tightening, in which the equipment on the side of the machine is installed on one movable table whose position in the width direction can be adjusted.