JPH05309429A - Method for assorting and accumulating small products and punch press and small product positioning device for same method - Google Patents

Abstract

PURPOSE:To provide a method for cutting off small products G from a work W, assorting and accumulating them and a punch press and a small product positioning device for being used for the same method. CONSTITUTION:When the small products G cut off from the work W are assorted and accumulated on a pallet Pa, before the small products G are sent to the pallet Pa, the small products G are positioned in the X axial direction and positioned in the Y axial direction for assorting them and then accumulated on the pallet Pa. The punch press installs a cutting off part 73 to cut off the small products G from the work W and a conveyor device to convey the small products G on one side table of the punch press. The small product positioning device equips a stopper 139 to position the small product conveyed in the X axial direction and equips a pressure 169 to move and position the small product in contact with the stopper 139 in the Y axial direction.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-piece small product sorting and stacking method and a method for automatically sorting and stacking a large number of small products from a work by a punch press. The present invention relates to a punch press used and a small product positioning device.

[0002]

2. Description of the Related Art Conventionally, for example, in a turret punch press as a punch press, when a number of small products are machined from a large-sized work, the contour processing of each small product is performed so The work and the work are held in a connected state at the fine connection portion, and the punching process for all the small products is completed. Next, after carrying out the large size work piece in which each small product is connected by the fine connection part from the turret punch press, tap each small product by hand to separate it from the original large size work, and then manually Small products were sorted by product type and collected.

Further, as a method of collecting and processing a large number of small work pieces from another large work piece and sorting and accumulating each small product, a small product is separated from the large work piece by a turret punch press, and then the side surface of the turret punch press is cut. The small product was clamped and carried out by the clamp in the carry-out device provided in.

[0004]

By the way, in the former multi-cavity processing by the former described above, manpower is required for separating each small product from a large-sized work, and at the same time, each small product is separated from a large-sized work. There was a problem that it took manpower to sort the products by product type after separating them.

Further, in the conventional multi-cavity processing by the latter method described above, since the small products that have been carried out are not provided with a function of sorting and accumulating the small products according to the product type, the operator later puts the small products into the product type. Had to be sorted and collected.

In order to solve the above-mentioned problems, an object of the present invention is to punch out from a work with a punch press and automatically sort a large number of small products cut out from each other and stack them for each product type. (EN) A method for sorting and collecting small products, a punch press used for the method, and a small product positioning device.

[0007]

In order to achieve the above object, the method of the present invention is a sorting and stacking method for small products, and is compared with a clamper provided in a punch press so as to be movable in the X and Y axis directions. A large work is gripped, the clamper is moved and positioned in the X and Y axis directions, and the work is appropriately processed by a punch press (a) step, and the appropriately processed small product is separated from the work. (b) Step, moving the small product in the X-axis direction and positioning it at a predetermined position in the X-axis (c) Step, moving the small product positioned in the predetermined position in the X-axis direction in the Y-axis direction And (d) step of positioning at a desired position in the Y-axis direction, and parallelizing and accumulating small products positioned at a predetermined position in the X-axis direction and positioned at the desired position in the Y-axis direction. Desired in the X-axis direction on the pallet provided for the device It consists of the step (e) of mounting at the position.

In the punch press used in the above method, a carriage base movable in the Y-axis direction with respect to a working portion for punching a work with a punch and a die is provided with a clamper for gripping the work. A carriage is mounted so as to be movable in the X-axis direction, side tables that are movable in the Y-axis direction are provided on both sides of a central table that supports the work, and at least one of the side tables is separated from the work. It is provided with a transport device for transporting the small products thus produced in the X-axis direction.

Further, a separation processing section for separating a small product from the work is provided at a position close to the processing section of the work by the punch and the die.

Further, the small product positioning apparatus used in the above method is configured so that the small product separated from the work is conveyed in the X-axis direction and the small product is moved into and out of the small product transport path to move the small product to the X-axis. It is provided with a stopper for positioning at a predetermined position in the axial direction, and a pusher movable in the Y-axis direction to move and position the small product positioned by the stopper to a desired position in the Y-axis direction. ..

Further, a scrap discharge section is provided on one side in the Y-axis direction.

[0012]

Embodiments of the present invention will be described in detail below with reference to the drawings.

FIG. 1 and FIG. 2 show a process line for punching and cutting a large number of small products from a large-sized work, separating them, and then sorting and accumulating each product type.

In FIGS. 1 and 2, a turret as an example of a punch press that punches and separates a large number of small products G from a large-sized work W at a substantially central portion in the left-right direction (X-axis direction). The punch press 1 is arranged. A loading device 3 for supplying a work W to the turret punch press 1 is arranged adjacent to the left side of the turret punch press 1, and a work W is adjacent to the loading device 3 on the left side of the loading device 3.
An automatic storage 5 is arranged to supply the work W and store the work W.

On the other hand, an auxiliary table 7 is arranged adjacent to the right side of the turret punch press 1, and a small product conveying means 9 is arranged adjacent to the auxiliary table 7. Further, on the right side of the small product conveying means 9, an automatic storage 13 provided with an accumulating device 11 for sorting the small products adjacent to each other and collecting the small products and storing the small products once is arranged. There is.

The small product conveying means 9 does not simply convey the small product G from the turret punch press 1, but
It serves as a small product positioning device for positioning the small product G at a predetermined position in the X-axis direction and at a desired position in the Y-axis direction before the small product G is carried into the stacking device 11.

With the above configuration, the work W is stored in the automatic storage 5 and is sent from the automatic storage 5 to the loading device 3. The work W is carried into the turret punch press 1 one by one by the loading device 3.

In this turret punch press 1, the work W
From this, a large number of small products G are punched, cut off, and delivered to the small product conveying means 9 via the auxiliary table 7. In the small product conveying means 9, the small products G are positioned at a predetermined position on the stacking device 11 side, then sorted and carried out to the stacking device 11 and stacked at a predetermined stacking position for each product type. The small products G accumulated for each product type are once stored in the auto storage 13.

As shown in FIGS. 1, 2 and 3, the automatic storage 5 is a framed storage rack 15.
The receiving rack 15 is provided with a plurality of receiving bars 17 at appropriate intervals in the vertical direction.
A plurality of works W placed on the pallet Pa are accommodated on the top.

Below the inside of the storage rack 15, there is provided a lifter 19 that can move up and down to support a pallet Pa on which a plurality of works W are placed. A vertically movable elevator 21 is provided on the rear side (upper side in FIG. 2, right side in FIG. 3) of the storage rack 15.

With the above structure, the elevator 21 is moved up and down to stop the positioning at the desired height of each receiving bar 17, and the pallet Pa is pulled out and placed on the elevator 21. Next, the elevator 21 is lowered to lift the lifter 19
The positioning is stopped at the same height position as the upper surface of the, and the pallet Pa on the elevator 21 is extruded and placed on the lifter 19.

The empty pallet Pa on the lifter 19 is pulled out and placed on the elevator 21, and the elevator 2
1 is lifted to stop the positioning at the height of the empty receiving bar 17. Next, the empty pallet Pa is pushed out to empty the empty receiving bar 1.
It can also be housed on top of 7.

Since a concrete device for pulling out or pushing out the pallet Pa between each receiving bar 17 or lifter 19 and the elevator 21 is already known, detailed description thereof will be omitted. Moreover, since a specific drive device for vertically moving the elevator 21 is already known,
Detailed description is omitted.

A side frame 23 is provided on a part of the storage rack 15, and a plurality of suction pads 25 that are vertically movable are provided on the side frame 23. A slat conveyor 27 is provided below the storage rack 15. This slat conveyor 27 is composed of a plurality of sprockets 29 attached to the storage rack 15 in FIG.
A chain 31 is wound around, and a plurality of rollers 33 are attached to a part of the chain 31.

With the above structure, the plurality of rollers 33 are retracted from above the lifter 19 by rotating the slat conveyor 27 counterclockwise in FIG. 1, for example. In this state, the suction pad 25 is lowered and one of the works W stacked on the pallet Pa of the lifter 19 is suctioned and lifted upward. Work W
The slat conveyor 27 is rotated clockwise in the state where one sheet is lifted up by the suction pad 25 in the opposite direction to the above to stop the positioning of the plurality of rollers 33 between the lifter 19 and the lifted work W.

Next, the suction pad 25 is lowered and the suction pad 25 is opened, whereby the work W
Are supported on the rollers 33 of the slat conveyor 27.
Next, by rotating the slat conveyor 27 clockwise, the work W is conveyed rightward in FIG. 1 and is conveyed to the loading device 3.

The loading device 3 includes a framed frame 35, and a loader guide 37 extending in the X-axis direction is provided on an upper portion of the frame 35. A loader 39 that is movable in the X-axis direction is attached to the loader guide 37, and a plurality of suction pads 41 that are vertically movable are attached to the loader 39. Moreover, the frame 35 is provided with a support table 43 for supporting the work W conveyed from the automatic storage 5. The loading device 3 is already known as, for example, Japanese Utility Model Publication No. 63-38028, and its detailed configuration is omitted.

With the above structure, since the work W conveyed from the automatic storage 5 is placed on the support table 43, the work W on the support table 43 is moved by moving the loader 39 to the left in FIG. Stop positioning above. Next, the suction pad 41 is lowered to suck the work W onto the suction pad 41 and raise it to a predetermined position.

Next, the work W is carried into the turret punch press 1 by moving the loader 39 to the right in FIG. 1 and transporting it to the turret punch press 1 to lower the suction pad 41 and opening the suction pad 41. Will be done.

With reference to FIGS. 1 and 2, an upper turret 49 and a lower turret 51, which are rotatable by a drive device (not shown), are supported on the upper frame 45 and the lower frame 47 of the turret punch press 1, respectively. On the circumferences of the upper turret 49 and the lower turret 51, various kinds of punches P and dies D are mounted, respectively.

The upper frame 45 is provided with a striker 53 which can be moved up and down by a drive device (not shown in FIG. 1). The striker 53 has an upper turret 49 and a lower turret 51 simultaneously driven to rotate. ,
The punch P and the die D forming a desired pair are positioned.

A fixed table 57 is provided as a central table in front of a punching portion 55 for punching a workpiece W such as a plate (not shown) by cooperating a punch P with the die D. It is provided. A front side table 59 is provided as a side table on one side (left side in FIG. 2) of the fixed table 57, and a transport table 61 is provided on the other side.

A carriage base 63 is provided in front of the fixed table 57, front side table 59, and transport table 61 (downward in FIG. 2).
The carriage base 63 is integrated with the front side table 59 and the carrying table 61. A carriage 65 is mounted on the carriage base 63 so as to be movable in the X-axis direction (horizontal direction in FIG. 2). A feed screw extending in the X-axis direction is mounted on the carriage base 63, and one end of the feed screw is connected to a motor via a drive transmission device such as a pulley or a belt.

A plurality of, for example, two clampers 67 are attached to the punching portion 55 side of the carriage 65.

With the above structure, when the motor is driven,
The feed screw is rotated via the drive transmission device to move the carriage 65 in the X-axis direction. Since the clamper 67 is attached to the carriage 65, the work W (not shown) held by the clamper 67 is moved in the X-axis direction.

A Y-axis feed screw is screwed into a substantially central portion of the carriage base 63 in FIG. 2, and a lower portion of the feed screw in FIG. 2 is screwed through a drive transmission device such as a pulley or a belt. The motor is connected.

With the above structure, when the motor is driven,
The feed screw is rotated via the drive transmission. The feed screw is screwed into the carriage base 63, and the carriage base 63 is integrated with the front side table 59 and the conveyance table 61. Therefore, rotation of the feed screw causes the carriage base 63 to move in the Y-axis direction (vertical direction in FIG. 2). ), The front side table 59 and the transport table 61 are also moved in the Y-axis direction at the same time.

The work W gripped by the clamper 67 is moved in the X-axis and Y-axis directions, and the desired machining position of the work W is positioned immediately below the striker 53.
It is positioned between the dies D and punched.

A plate pressing device 69 and a plate pressing / cutting punch 71 are attached to the left and right lower parts of the upper frame 45 in FIG. Therefore, when the processing for separating the small product G from the work W is performed, the work is performed after the work W is pressed by the plate pressing / cutting punch 71 to prevent the work W from moving.

The cutting process for cutting a large number of small products G from the work W is performed by a cutting process section 73 in which the plate pressing / cutting punch 71 is attached to the upper frame 45.
As shown in FIG. 4, the plate pressing / cutting punch 71 in the separating processing portion 73 has a punch holder 75 suspended from the upper frame 45, and a coil spring 77 having low rigidity is attached to the punch holder 75.
A hollow cylindrical punch guide 79 is provided so as to be movable up and down. Inside the punch guide 79, a punch 83 is vertically movable via a coil spring 81 having high rigidity.

Immediately above the punch 83, a ram cylinder 85 is provided.
Is provided on the upper frame 45, and a die holder 89 having a die 87 is provided on the lower frame 47 immediately below the punch 83.

With the above structure, low-pressure oil is supplied to the ram cylinder 85, the coil spring 77 is bent, and the work W is pressed by the bottom surface of the punch guide 79 as shown in FIG. , For example, as shown in FIG. 5, the small products A, B or C, ... In this state, when high pressure oil is supplied to the ram cylinder 85, the coil spring 81 also bends and the punch 8 is pressed.
3 descends and separates the small product separation part of the work W.
The separated small products G are sent to a transfer table 61 provided on the side of the separation processing section 73 and carried out to the outside.

Therefore, the work W has a punched portion 5
The punching process is performed by the cooperation of the punch P and the die D at 5, and the punching process part 73 disposed on the side of the punching process part 55 cooperates with the punch 83 and the die 87 to make a small product G for multi-cavity production. The separation process is applied. Thus,
Since the punching process and the cutting process can be continuously performed without grasping the work W, a processed product can be obtained with high accuracy.

The transfer table 61 is separated by a processing section 73.
It is located on the side of. That is, as shown in FIG.
A linear guide 91 extending in the Y-axis direction is attached to the right end of the lower frame 47, and a guide member 93 extending in the Y-axis direction is fitted to the linear guide 91. Frames 95A and 95B are integrally attached to the front and rear ends of the guide member 93.

Between the frames 95A and 95B,
A plurality of support frames 97 extending in the Y-axis direction are supported in the X-axis direction at appropriate intervals. Between the plurality of support frames 97, a carry-out roller 99 composed of a pipe roller or the like is arranged as a carrying device for carrying the small product G, and the rotation shaft of the carry-out roller 99 is the frame 95A, 95.
It is rotatably supported by B.

A plurality of idler rollers 101 are rotatably supported on the right end portion of the frame 95A below the plurality of carry-out rollers 99 at appropriate intervals in the X-axis direction.

In the right part of the carriage base 63,
A fluid pressure cylinder 103 is provided, and a motor 107 is mounted on the fluid pressure cylinder 103 via a motor bracket 105. The motor bracket 105 is guided by a guide rail 109 to move up and down. A pulley 111 is attached to the output shaft of the motor 107, and the endless belt 11 is provided between the pulley 111 and the plurality of idler rollers 101.
3 is wound. Each idler roller 101 is provided with a crown in order to prevent the belt 113 from meandering so that the force is always concentrated on the center of the belt 113 for stable traveling.

With the above structure, when the small product G is conveyed, the fluid pressure cylinder 103 is operated and the motor 107 is guided by the guide rail 109 via the motor bracket 105 and moved downward. When the motor 107 is moved downward, the belt 113 is tensioned. When the motor 107 is driven in this state, the unloading rollers 99 rotate clockwise due to the frictional force of the belt 113, and the small product G is unloaded by the unloading rollers 99 to the outside.

Punching processing part 55 or separation processing part 7
While the work W or the small product G is being punched or cut off in step 3, the motor 107 is guided by the guide rail 109 via the motor bracket 105 by the operation of the fluid pressure cylinder 103, and is lifted to move the belt 113. Each discharge roller 99 is completely freed by loosening it to eliminate tension.

As described above, the reason why the belt 113 is set in the free state is that the frames 95A and 95B are fixed relative to the front side table 59, and therefore the impact generated by the interference with the carry-out roller 99 due to the work dripping or the like. The power is alleviated even a little. Also, the frame 95
When A and 95B move in the Y-axis direction, the frames 95A,
95B itself also swings vertically and horizontally. Even if the work supporting roller, which will be described later, interferes with the carry-out roller 99 due to the shake, it is prevented from being bitten, and the carry-out roller 99 is not scratched.

A support roller base 117 provided with a plurality of support balls 115 is arranged between the respective carry-out rollers 99 so as to extend in the Y-axis direction, and is capable of protruding and retracting with respect to the surface of the carry-out rollers 99. Its supporting roller base 117
Are fixed to a plurality of, for example, two guide bases 119 extending in the X-axis direction at appropriate intervals in the Y-axis direction. The two guide bases 119 have a total of four fluid pressure cylinders 121 and two linear bushes 123 at the front and rear in the X-axis direction (only one is shown in FIG. 6).
Is installed. The lower part of each fluid pressure cylinder 121 is mounted on, for example, a base standing on the floor.

With the above configuration, during the processing of the work W,
The fluid pressure cylinder 121 is operated to operate the guide base 119.
The support roller base 117 is raised via the support roller base 117, and the surfaces of the plurality of support balls 115 provided on the support roller base 117 are projected from the surfaces of the respective carry-out rollers 99 so that the work W
Is supported.

When the work W is conveyed, the fluid pressure cylinder 121 is operated to lower the support roller base 117 via the guide base 119, and the support roller base 1 is moved.
A plurality of support balls 115 provided in 17 are sunk from the surface of the carry-out roller 99 to be in a non-contact state with the work W, and the work W comes into contact with each of the carry rollers 99 and is carried.

The linear bush 123 serves to prevent the support balls 115 from swinging due to sudden acceleration / deceleration during the operation of the turret punch press 1 and to always ascend / descend at a fixed position.

When the punching process or the cutting process 73 is used for the punching process or the cutting process, the support balls 115 project from the carry-out roller 99 and the work W is ejected.
Since it is supported, it is possible to prevent the work W from being displaced or vibrating. Further, when the small product G is conveyed after the work W is punched or separated, the supporting balls 115 are sunk by the carry-out roller 99, and the small product G is placed on the carry-out roller 99 and the belt 113. Rotation of the carry-out roller 99
Rotates and the small product G is carried out to the outside. As a result, the small product G can be easily carried out without damaging the small product G and without being limited by the size of the work W.

The auxiliary table 7 is a carrying roller table provided with a plurality of rotatable rollers for carrying the small product G punched and separated by the turret punch press 1 to the small product carrying means 9. Since such a structure is already known, the description thereof will be omitted.

The small product G is carried to the small product carrying means 9 by the auxiliary table 7. This small product conveying means 9 is shown in FIG.
As shown in FIGS. 8 and 9, a framed support frame 125 is provided.
5, a plurality of pipe rollers 127 are rotatably supported at appropriate intervals in the X-axis direction (horizontal direction in FIGS. 7 and 8), and each pipe roller 127 is gradually moved to the right. It is inclined. In order to rotate the plurality of pipe rollers 127, a drive motor 129 is provided on the lower left side of the support frame 125 in FIG. A drive pulley 131 is rotatably supported on the output shaft of the drive motor 129.

Driven pulleys 133R and 133L are rotatably supported on both sides of the support frame 125 in FIG. A plurality of idler rollers 135 are rotatably provided between the pipe rollers 127. The drive pulley 131 and the driven pulleys 133R and 13R
An endless Masatsu belt 137 is wound around 3L, and the Masatsu belt 137 is attached to each idler roller 1
It is guided to the upper surface of 35 and is pressed against the lower circumferential portion of each pipe roller 127 to be in a frictional contact state.

With the above structure, when the drive motor 129 is driven, the rotation is transmitted to the drive pulley 131. Due to the rotation of the drive pulley 131, the Masatsu belt 137 travels to the right in FIG. 8 while being guided by the driven pulleys 133R and 133L and the idler rollers 135. This Masatsu belt 137 is frictionally contacted with each pipe roller 127, and each pipe roller 127 is moved to the position shown in FIG.
Will be rotated clockwise at. Therefore, the small product G supported on the pipe roller 127 is
Will be transported to the right in FIGS. 7 and 8.

A plate-shaped stopper 139 extending in the Y-axis direction is provided at the right end of the support frame 125 in FIGS. A stopper lowering cylinder 141 is provided below the upper and lower parts of the stopper 139 in FIG.
The tip (upper end) of the piston rod 143 attached to the stopper lowering cylinder 141 is connected to the stopper 139.

With the above structure, when the stopper lowering cylinder 141 is operated, the stopper 139 is projected from the pass line PL through the piston rod 143, and the pipe roller 127 rotates to the right in FIG. The conveyed small product G collides with the stopper 139, stops, and is positioned. Incidentally, the pipe roller 127
Is gradually inclined downward, so that the small product G is prevented from returning in a recoil when the small product G hits the stopper 139.

If the stopper 139 is set in a state of being submerged from the pass line PL, the small product G can be moved further to the right of the stopper 139.

On the upper surface of the support frame 125, a plurality of guide frames 145 parallel to each other in the X-axis direction at appropriate intervals are provided extending in the Y-axis direction. Moreover, one end of each of the plurality of guide frames 145, for example, the lower end in FIG. 7, is supported by the support plate 147.

A linear guide 149 is provided outside the guide frames 145 so as to extend in the Y-axis direction, and a rack 15 is provided inside the guide frames 145.
1 is provided extending in the Y-axis direction. The linear guide 149 is provided with a loader 153 extending in the X-axis direction, which is a part of the moving device, via a guide member.

A drive motor 157 such as a servo motor having an encoder 155 is attached to the left side of the loader 153 in FIG. 7 via a motor bracket. A rotary shaft 161 extending in the X-axis direction is rotatably supported by the drive motor 157 via a speed reducer 159. Moreover, a plurality of pinions 163 are mounted on the rotary shaft 161, and the pinions 163 are meshed with the rack 151. The rotating shaft 161 on the inner side of the pinion 163 on which each pinion 163 is mounted is supported by a bearing 165 attached to the loader 153.

Upper ends of a plurality of support blocks 167 are attached to the lower part of the loader 153 at appropriate intervals in the X-axis direction, and pushers 169 extending in the X-axis direction are attached to the lower ends of the support blocks 167. ing.

With the above structure, when the drive motor 157 is driven, the rotary shaft 161 is rotated via the speed reducer 159. Since the pinion 163 is meshed with the rack 151, the rotation of the rotary shaft 161 moves the loader 153 in the Y-axis direction. The loader 153 has a support block 16
Since the pusher 169 is attached via the No. 7, the pusher 169 is moved in the Y-axis direction by the movement of the loader 153.

By the rotation of the pipe roller 127, the small product G is conveyed rightward in FIG.
Assuming that the pusher 1 is positioned at the end, the pusher 1
By moving 69 upward in FIG. 7, the small product G is positioned at an appropriate position in the Y-axis direction. The moving distance of the small product G in the Y-axis direction can be accurately detected by the encoder 155.

A plurality of inclined bars 171 inclined downward at appropriate intervals in the X-axis direction are attached as scrap discharge parts on the upper side of the support frame 125 in FIG. 7 and on the right side in FIG. A movable carriage 175 provided with a recovery box 173 for recovering scrap is disposed below 171.

Referring again to FIGS. 1 and 2, an automatic storage 13 having a stacking device 11 is provided adjacent to the right side of the small product conveying means 9. This stacking device 1
Since the auto storage 13 provided with No. 1 has almost the same structure as the above-mentioned auto storage 5, the same parts are denoted by the same reference numerals and the description thereof will be omitted, and only different points will be described.

As shown in FIG. 10, the storage rack 15 is provided with an unloader guide 177 extending in the X-axis direction, and the unloader guide 177 is provided with a rack 179 extending in the X-axis direction. There is. A pinion 181 is meshed with the rack 179.

The unloader guide 177 has an X
A loader 183 that is movable in the axial direction is provided, and the loader 183 is provided with a drive motor 185 such as a servo motor having an encoder for rotating the pinion 181.

With the above structure, when the drive motor 185 is driven, the pinion 181 is rotated. Since the pinion 181 is meshed with the rack 179, rotation of the pinion 181 causes the loader 183 to move to the unloader guide 1.
It will be moved in the X-axis direction along 77.

A fluid pressure cylinder 187 is attached to the left side surface of the loader 183 in FIG. 10, and a piston rod 189 mounted on the fluid pressure cylinder 187 is mounted.
Clamp stretch 19 that extends in the Y-axis direction at the tip of the
1 is provided. The clamp stretch 191 is provided with a plurality of, for example, 14 small product clamps 193 at appropriate intervals in the Y-axis direction.

With the above structure, when the fluid pressure cylinder 187 attached to the loader 183 is operated, the clamp stretch 191 is moved up and down via the piston rod 189. Since the small product clamp 193 is provided in the clamp stretch 191, the clamp stretch 19
The vertical movement of 1 also vertically moves the small product clamp 193.

The small product G hits the stopper 139 of the small product carrying-out means 9 and is positioned at an appropriate position in the Y-axis direction by the pusher 169. In this state, by driving the drive motor 185 to move the loader 183 to the left in FIG. 10, the small product clamp 193 reaches the position of the small product G, and the desired small product clamp 1
The small product G is clamped by operating 93.

In this state, the loader 183 is moved to the right in FIG. 10, and the slat conveyor 27 is operated to move the roller 33 to the right in FIG. G is placed on the roller 33 and lifter 19
Is positioned at a pre-specified position above.
The positioning of the small product G is detected by an encoder provided in the drive motor 185.

When the small product G is positioned at the designated position above the lifter 19, the loader 183 stops, but the roller 33 of the slat conveyor 27 further travels and is retracted from above the lifter 19. Next, the fluid pressure cylinder 187 is operated to lower the small product clamp 193 and unclamp the small product G, so that the small product G clamped by the small product clamp 193 is pallet P on the lifter 19 which is the stacking device 11.
It will be collected at the desired position on a.

When the small products G placed on the pallet Pa on the lifter 19 are accumulated at a desired position and loaded as scheduled, they are pulled out to the elevator 21, and the elevator 21 is further raised to move the desired receiving bar 17 to the desired position. Then, the pallets Pa are temporarily stored on the receiving bar 17 from the elevator 21.

FIG. 5 shows a state in which the small product G is punched from the work W by the turret punch press 1 and the cut-out portion is left.
_1, G ₂ ..., after performing the disconnection processing in the processing unit 73 disconnects one after the other and G _5, G _6, the small product _{G 1, G 2, ...,} G 5,
Explaining the process in which G ₆ is accumulated at the accumulating position of the accumulating device 11 through the small product conveying means 9, first three small products G ₁ hit the stopper 139 as shown in FIG. 11 (A). After that, after being moved to the upper position by the pusher 169, it is clamped by the small product clamp 193 and accumulated at three positions on the pallet Pa.

Next, the small products G ₂ are moved and accumulated at the position of the pallet Pa as described above as shown in FIG. 11 (B). Similarly, the small products G ₃ , G ₄ , G ₅ , and G ₆ are also moved and accumulated at the position of the pallet Pa as shown in FIGS. 11C, 12A, 12B, and 12C. It

In this way, in the small product conveying means 9, the pusher 169 pushes each small product G in the Y-axis direction, the loader 1
By detecting and controlling the amount of movement of 83 in the X-axis direction by, for example, an encoder, the position where the small product G is placed on the pallet Pa can be automatically changed for each product, and one pallet Pa can be changed. A plurality of types of small products G can be accumulated on each product type. Therefore, it is possible to automatically perform the steps from the loading of the work W to the stacking of the small products G without requiring any manpower. Moreover, it is possible to save the integration space.

Further, the same product may be divided or put together according to the original work. The arrangement does not necessarily have to be the original work.

The present invention is not limited to the above-described embodiments, but can be implemented in other modes by making appropriate changes.

[0085]

As can be understood from the above description of the embodiments, the method of the present invention is a method of sorting and accumulating small products. (A) The punch press 1 is provided so as to be movable in the X and Y axis directions. A relatively large work W is gripped by the clamper 67, the clamper 67 is moved and positioned in the X and Y axis directions, and the work W is appropriately processed by the punch press 1. (b) The work W A step of separating the appropriately processed small product G from (1), (c) a step of moving the small product G in the X-axis direction and positioning it at a predetermined position in the X-axis direction,
(d) Y is the small product G positioned at the specified position in the X-axis direction.
A step of moving in the axial direction to position at a desired position in the Y-axis direction, and (e) positioning at a predetermined position in the X-axis direction, and
The process comprises a step of translating the small product G positioned at a desired position in the axial direction in the X-axis direction and placing the small product G at a desired position in the X-axis direction on a pallet pa provided in the stacking apparatus.

That is, in the method of the present invention, the small product G is once positioned in the X-axis and Y-axis directions before it is placed on the pallet, and then loaded on the pallet. Therefore, it is easy to place the small products G separately.

Further, in the punch press according to the present invention, the work W is held by the carriage base 63 which is movable in the Y-axis direction with respect to the processing portion 55 for punching the work W by the punch P and the die D. A carriage 65 equipped with a clamper 67 is provided so as to be movable in the X-axis direction,
Y is provided on both sides of the central table 57 that supports the work W.
Provided with side tables 59 and 61 that are movable in the axial direction,
At least one of the side tables 59 and 61 is provided with a transfer device for transferring the small product G separated from the work W in the X-axis direction.

Therefore, when the small product G is separated from the work, it can be conveyed at the same time, and the small product G can be voluntarily transported.
Can be carried out, and a separate carrying-out device is unnecessary.

Further, since the cut-off processing portion 73 for separating the small product G from the work W is provided at a position close to the processing portion 55 for the work W by the punch P and the die D, a small product is cut from the work. A child who can easily separate them.

Further, the small product positioning device is used for the work W.
A conveyor for transferring the small product G separated in the X-axis direction, and a stopper 139 for projecting and retracting the small product G in the transport path of the small product G to position the small product G at a predetermined position in the X-axis direction,
And a pusher 169 movable in the Y-axis direction to move and position the small product G positioned by the stopper 139 to a desired position in the Y-axis direction, and scrap discharge to one side in the Y-axis direction. And a scrap discharge part on one side in the Y-axis direction.

Therefore, the scrap can be easily discharged and the small products can be easily positioned in the X-axis and Y-axis directions.

[Brief description of drawings]

FIG. 1 is a front view of a sorting and accumulating device for a large number of small products according to an embodiment of the present invention,

FIG. 2 is a plan view of FIG.

FIG. 3 is a view taken along the line III-III in FIG.

FIG. 4 is an enlarged cross-sectional view of a separation processing portion in a punch press,

FIG. 5 is a plan view of a work in which a punching process is performed with a punch press and a separated portion is left,

FIG. 6 is an enlarged perspective view taken along arrow VI in FIG.

7 is an enlarged view of a VII arrow part in FIG.

FIG. 8 is a front view of FIG.

9 is a right side view of FIG. 7,

FIG. 10 is an enlarged view of a portion viewed from the arrow X in FIG.

FIG. 11 is an explanatory diagram of stacking small products separated from a work on a pallet of a stacking device.

FIG. 12 is an explanatory diagram of stacking small products separated from a work on a pallet of a stacking device.

[Explanation of symbols]

 1 Turret Punch Press 3 Loading Device 9 Small Product Conveying Means (Small Product Positioning Device) 55 Punching Part 73 Separation Part 127 Pipe Roller 139 Stopper 169 Pusher 183 Low

Claims (5)

[Claims] 1. A method of sorting and collecting small products, comprising the following steps. (a) The punch press (1) has a clamper (67) movably provided in the X and Y axis directions, and a relatively large work (W).
Gripping, moving and positioning the clamper (67) in the X and Y axis directions, and performing appropriate processing on the work (W) by the punch press (1). (b) A step of separating the appropriately processed small product (G) from the work (W). (c) A step of moving the small product (G) in the X-axis direction and positioning it at a predetermined position in the X-axis direction. (d) Small product (G) positioned at a predetermined position in the X-axis direction
In the Y-axis direction to position at a desired position in the Y-axis direction. (e) The small product (G) positioned at a predetermined position in the X-axis direction and positioned at the desired position in the Y-axis direction is translated in the X-axis direction, and X is placed on the pallet (pa) provided in the stacking device.
A step of mounting at a desired position in the axial direction, 2. A Y for a working portion (55) for punching a work (W) with a punch (P) and a die (D).
A carriage (65) having a clamper (67) for gripping the work (W) is mounted on a carriage base (63) movable in the axial direction so as to be movable in the X-axis direction,
Side tables (59, 6) movable in the Y-axis direction are provided on both sides of a central table (57) supporting the work (W).
1) is provided, and at least one of the side tables (59, 61) is provided with a transfer device for transferring the small product (G) separated from the work (W) in the X-axis direction. Characteristic punch press. 3. A separation processing part for separating a small product (G) from the work (W) at a position close to the processing part (55) of the work (W) by the punch (P) and the die (D). The punch press according to claim 2, further comprising (73). 4. A conveyor for transferring a small product (G) separated from a work (W) in the X-axis direction, and a small product (G) which appears in and out of a conveyance path of the small product (G) and is transferred to an X-axis. A stopper (139) for positioning at a predetermined position in the axial direction, and a pusher movable in the Y-axis direction for moving and positioning the small product (G) positioned by the stopper (139) to a desired position in the Y-axis direction. (169), and a small product positioning device comprising: 5. The small product positioning device according to claim 4, further comprising a scrap discharging portion on one side in the Y-axis direction.