WO2010071006A1

WO2010071006A1 - Punching device

Info

Publication number: WO2010071006A1
Application number: PCT/JP2009/069675
Authority: WO
Inventors: 徹石井; 洋道松井
Original assignee: ヤマハファインテック株式会社
Priority date: 2008-12-15
Filing date: 2009-11-16
Publication date: 2010-06-24
Also published as: JP2010137275A

Abstract

In a punching device (10), a housing (11) for supporting a lower die (12) and an upper die (13) is formed in a rectangular shape. A space penetrating through side surfaces (11c, 11d) of the housing (11) from the inside thereof and connecting with the outside is formed in the housing (11). A collecting mechanism (15) for collecting a product section punched out from a workpiece (W) is provided in the housing (11) so as to extend from the inside to the outside thereof. The front surface (11a) and the rear surface (11b) of the housing (11) are formed as firm wall surfaces. The collecting mechanism (15) is constructed from a conveyor (15a) and a containing section (15b).

Description

Punching device

The present invention relates to a punching device that punches a perforated portion having a predetermined shape from a sheet-like or plate-like workpiece.

Conventionally, for example, when punching a portion to be punched in a predetermined shape from a sheet-like or plate-like workpiece, a lower die having a die hole of a predetermined shape on the upper surface, and the lower die can be raised and lowered. A punching apparatus including an upper mold having a punch that can be fitted into a die hole of a lower mold is used (for example, JP-A-10-137867).
This punch press (punching device) includes a guide support member that movably supports a punch block that supports a plurality of punches and a die block that supports a die corresponding to the punch. A scrap shooter is provided at a position below the moving area of the die block, and the scraps generated during processing are collected at the discharge port of the scrap shooter. Also, an intermediate guide support member is provided on the lower surface of the die block frame that supports the die block, and when the die block frame is bent, the lower surface of the die block frame comes into contact with the intermediate guide support member. Can be prevented from further bending.

In the punching apparatus, not only the punched debris but also a product part may be punched out of the workpiece, and it is necessary to sequentially transport the product part to a predetermined place. For this purpose, it is preferable to provide a conveying conveyor or the like so as to penetrate the casing of the punching device. However, in the above-described conventional punching press, the intermediate guide support member is provided on the lower surface of the die block frame, and therefore, it is not possible to provide a transfer conveyor or the like below the die block frame. In addition, it is difficult to provide a conveyor or the like above the die block frame because of the strength and structure of the punch block frame that supports the punch block.
The present invention has been made in order to address the above-described problems, and an object of the present invention is to provide a high-strength casing that supports at least one of a lower mold and an upper mold that advances and retreats with respect to the lower mold. And providing a punching device provided with a recovery mechanism for recovering the perforated part generated by the punching process inside the casing.
In order to solve the above-described problem, the structural feature of the punching apparatus according to the present invention is that a sheet-shaped or plate-shaped workpiece (W) is installed on the upper surface of the lower mold (12, 32, 52). In the punching device for punching out the drilled part from the workpiece by supporting the lower mold and / or the upper mold by moving the upper mold (13, 33, 53) forward and backward with respect to the lower mold A rectangular housing portion that passes through at least one of the side surfaces (11c, 11d, 21c, 21d, 31c, 31d, 41c) located on both sides from the inside and communicates with the outside. The formed housing part (11, 21, 31, 41), and a recovery mechanism (15, 25, 35, etc.) for recovering the drilled part of the punched work provided from the space part to the outside of the housing part. 45, 55, 55a With the door, sides perpendicular to the side surface located on both sides of the housing part (11a, 11b) to lies in the configuration with strong wall portion.
As described above, in the punching apparatus according to the present invention, the casing portion supporting at least one of the lower mold and the upper mold is formed in a rectangular shape, and penetrates at least one side surface from the inside of the casing section. A space that communicates with the outside is formed. And in the space part, the collection | recovery mechanism for collect | recovering the to-be-punched part of the workpiece | work pierced, ie, a product part, and an unnecessary part, is provided. Also, both side surfaces orthogonal to the side surfaces located on both sides of the housing (when the side surfaces located on both sides are the left and right side surfaces, they are front and rear both surfaces and are large surfaces parallel to the direction in which the recovery mechanism extends. .) Is composed of a strong wall surface. In other words, both side surfaces of the housing part are configured by strong wall surface parts, and a recovery mechanism is provided in a space sandwiched between the strong wall surface parts.
Therefore, even if a space for disposing the recovery mechanism is formed in the casing, the entire punching apparatus is supported in a stable state by both wall surfaces. As a result, the rigidity of the casing portion is increased and the punching process can be performed with high accuracy. In addition, the recovery mechanism can be configured by a storage part (15b, 55c) that stores the drilled part of the workpiece and a transport part (15a, 55b) that transports the storage part. In addition, the recovery mechanism includes a transport unit (25a, 25c, 28, 35a, 35b, 45a, 45b, 45d, 48) for transporting the work perforated part, and a storage part (25b) for accommodating the transported perforated part. , 35, 45c). And a collection | recovery mechanism may be provided under a lower mold | die, and may be provided in the side of a lower mold | die or an upper mold | die. In addition, as a strong side part, it is preferable to use a thick steel plate.
In addition, another structural feature of the punching apparatus according to the present invention is that the punched portion of the workpiece is a product portion, and the recovery mechanism (15) is a product storage portion that stores the product portion of the punched workpiece. (15b) and a product recovery mechanism including a storage unit transport unit (15a) that transports the product storage unit. According to this, the product part punched out from the workpiece can be efficiently collected.
Specifically, in order to drop the product part of the drilled work below the lower mold, the lower mold is provided with a drilling through hole (12a) penetrating from the upper surface to the lower surface. , A transport conveyor (15a) provided on the lower side of the lower mold in the casing and penetrating the side surfaces located on both sides, and the product storage section is transported by the storage section transport section. It is good to be a container (15b) which receives the product part of the workpiece | work falling from a lower metal mold | die under a type | mold, and accommodates it inside. According to this, the product part punched out from the workpiece can be placed in the product accommodating part below the lower mold, and the product accommodating part in which the product part is accommodated can be conveyed to a predetermined position by the accommodating part conveying part. . In this case, the product storage unit may store one product unit or may store a plurality of product units.
Further, another structural feature of the punching apparatus according to the present invention is that the punched portion of the workpiece is a product portion, and the recovery mechanism transports the product portion of the punched workpiece to the outside of the housing portion. Parts (25a, 25c, 28, 35a, 35b, 45a, 45b, 45d, 48) and a product storage part (25b) that is provided outside the housing part and stores the product part of the workpiece conveyed by the product conveyance part. , 35, 45c). According to this, the product part punched out from the workpiece can be efficiently collected.
Specifically, in order to drop the product portion of the punched work to the lower die, the lower die is provided with a through-hole for drilling (12a) penetrating from the upper surface to the lower surface, and the product conveying portion is provided. The conveyor part (25a) that receives the product part of the workpiece falling from the lower mold below the lower mold and conveys it to the outside of the casing part, and the product part of the workpiece that has been conveyed outside the casing part by the conveyor It is good to comprise with the adsorption conveyance part (25c) which adsorb | sucks and conveys to the accommodating part for products. According to this, the product part punched out from the workpiece and dropped below the lower mold can be transported to the position of the product storage part by the transport conveyor and the suction transport part and stored in the product storage part.
The upper mold (33) has temporary holding means for temporarily holding the product part of the punched work on the lower surface of the upper mold, and the product transporting part has the product part of the work on the upper mold. It may have a moving holding part (35a, 35b, 45a, 45b, 45d, 48) which is received from the lower surface and held and moved to the outside of the housing part, and the product part of the workpiece may be conveyed to the product accommodating part. .
According to this, the product part punched out from the workpiece and held on the lower surface of the upper mold can be conveyed to the position of the product accommodating part by the product conveying part and accommodated in the product accommodating part. In this case, as the temporary holding means, a suction part that can cause the product part to be sucked into or released from the upper mold by the operation of the suction device, a storage part that can store the cut product part, and a product part A mechanism or the like provided with an extruding part that pushes out the container from the storage part can be used. The moving holding unit is preferably configured by a holding member that can hold or place the product unit and a moving mechanism that moves the holding member. According to this, the product part released by the temporary holding means can be held by the moving holding part and conveyed to the product housing part by the operation of the moving mechanism. Moreover, it is preferable that a product conveyance part conveys a product part in a horizontal direction.
In addition, another structural feature of the punching apparatus according to the present invention is that, as described above, after the product portion of the punched workpiece is temporarily held on the lower surface of the upper die, the product portion of the workpiece is In the punching apparatus which is received from the lower surface of the product and transported to the position of the product accommodating portion, a small protrusion for drilling (53b) is formed on the lower surface of the upper mold in order to punch unnecessary portions (D) located in the product portion. ) And a small through hole for piercing (52b) penetrating from the upper surface to the lower surface in the lower mold, and an unnecessary portion recovery mechanism (55a) for recovering the unnecessary portion below the lower mold. It is in providing. According to this, when punching by the workpiece is for punching not only the product part but also the unnecessary part located in the product part, not only the product part but also the unnecessary part should be separated from the main part of the work and collected separately. Can do. In this case, the unnecessary part collection mechanism may include a storage unit and a conveyance unit, or may simply have a collection box installed below the lower mold.
In addition, another structural feature of the punching device according to the present invention is that the product accommodating portion (15b, 25b, 35, 45c) is a cylinder having a recess formed in the same shape as the product portion in plan view. In the shape of a plate or dish. According to this, since the product portion can be accommodated in the product accommodating portion with the orientation being aligned, a large amount of product portion can be accommodated in a small space. When there is a next process for further processing the product portion, it is not necessary to newly align in the next process.

FIG. 1 is a front view showing a punching apparatus according to a first embodiment of the present invention.
FIG. 2 is a side view of the punching apparatus shown in FIG.
FIG. 3 is a cross-sectional view taken along line 3-3 in FIG.
FIG. 4 is a front view showing a recovery mechanism of the punching device.
FIG. 5 is a front view showing a punching device according to a modification of the first embodiment.
FIG. 6 is a front view showing a punching device according to a second embodiment of the present invention.
FIG. 7 is a side view of the punching apparatus shown in FIG.
8 is a cross-sectional view taken along line 8-8 of FIG.
FIG. 9 is a front view showing a punching device according to a modification of the second embodiment.
FIG. 10 is a front view showing a punching device according to a third embodiment of the present invention.
11 is a cross-sectional view showing a punching die provided in the punching apparatus shown in FIG.

(First embodiment)
Hereinafter, a first embodiment of the present invention will be described in detail with reference to the drawings. 1 to 3 show a punching apparatus 10 according to the embodiment. The punching apparatus 10 includes a rectangular casing portion 11 having a lower portion constituted by a casing lower portion 11A and an upper portion constituted by a casing upper portion 11B, a lower mold 12 provided in the casing lower portion 11A, A perforation mold that is provided on the upper part 11B of the casing and includes an upper mold 13 that can be advanced and retracted with respect to the lower mold 12 and that can be moved back and forth from the rear of the casing 11 toward the upper surface of the lower mold 12 And a collection mechanism 15 formed so as to penetrate the housing lower part 11A to the left and right (left and right in the state shown in FIG. 1). The casing 11 is formed in a substantially box shape in which the length in the left-right direction is slightly longer than the height and the length in the front-rear direction (the left-right direction in the state shown in FIGS. 2 and 3) is shorter than the height. Each surface is made of a steel plate.
The front surface portion 11a and the rear surface portion 11b of the housing portion 11 are formed thicker than the left and right

side surface portions

11c and 11d, and steel plates having a thickness of about 12 mm are used for the

side surface portions

11c and 11d. On the other hand, steel plates having a thickness of about 25 mm are used for the front surface portion 11a and the rear surface portion 11b. In addition, a plate-like pedestal portion 16 is provided horizontally along the inner surfaces of the front surface portion 11a, the rear surface portion 11b, and the

side surface portions

11c and 11d at the central portion in the vertical direction inside the housing portion 11. A hole 16a penetrating vertically is formed at the center in the left-right direction of the pedestal 16, and the lower mold 12 is installed on the peripheral edge of the hole 16a on the upper surface of the pedestal 16. The lower portion 11A (including the base portion 16) of the base portion 16 in the case portion 11 forms the lower case portion 11A, and the upper portion of the case portion 11 relative to the base portion 16 An upper portion 11B is configured.
In addition, a plate-like support portion 17 is provided above the pedestal 16 in the upper portion 11B (intermediate portion between the pedestal 16 and the upper surface portion 11e of the housing portion 11), with a front surface portion 11a, a rear surface portion 11b, and It is provided horizontally along the inner surfaces of the

side portions

11c and 11d. A hole 17a penetrating in the vertical direction is formed in the center portion of the support portion 17 in the left-right direction, and an elevating mechanism 18 for raising and lowering the upper mold 13 is installed at the peripheral portion of the hole 17a. . Further, the lower portion of the pedestal 16 in the

side portions

11c and 11d (the portion from the lower surface position of the pedestal 16 in the

side portions

11c and 11d to the intermediate position between the pedestal 16 and the lower end portions of the

side portions

11c and 11d. ), Square openings 19 are formed to face each other.
A collection mechanism 15 is installed through a pair of openings 19 from the outside on the left side of the housing lower part 11A through the housing lower part 11A to the outside on the right side of the housing lower part 11A. Also, the width on the lower side is the upper side of the central portion in the left-right direction between the portion corresponding to the upper surface of the base portion 16 and the portion corresponding to the lower surface of the support portion 17 in the front surface portion 11a and the rear surface portion 11b. A window portion 19a that is wider than the width of is formed. Through this window portion 19a, the lower mold 12 and the upper mold 13 can be visually observed from the front, and the workpiece gripping section 14 can be moved back and forth inside the housing section 11 from the rear.
The lower mold 12 is composed of a frame-shaped mold in which a die hole 12a is formed as a through hole for drilling according to the present invention that penetrates from the upper surface to the lower surface, and the die hole 12a is aligned with the hole 16a. It is installed on the base part 16. The upper die 13 is configured with a punch 13a for punching that can be fitted into the die hole 12a of the lower die 12 at the lower end, and the workpiece W is positioned on the upper surface of the lower die 12. By fitting 13a into the die hole 12a, the portion to be punched of the workpiece W is punched into the shape of the die hole 12a and the punch 13a. The upper mold 13 is attached to the lower end portion of the lifting mechanism 18 and moves up and down by the operation of the lifting mechanism 18.
The lifting mechanism 18 extends from the hole portion 17a of the support portion 17 to the outside through the upper surface portion 11e of the upper portion 11B of the housing. That is, a mounting hole is formed in a portion of the upper surface portion 11e located above the hole portion 17a. The main body portion of the lifting mechanism 18 includes a peripheral portion of the hole portion 17a and a hole portion of the upper surface portion 11e. And the peripheral edge of the And the driving force transmission part 18a covered with the cover member is extended toward the back from the upper end part of the main-body part of the raising / lowering mechanism 18, and the drive motor 18b is installed in the rear end lower surface of the driving force transmission part 18a. . The driving force of the driving motor 18b is transmitted to the main body portion of the elevating mechanism 18 by the driving force transmitting portion 18a, and moves the upper mold 13 up and down.
The workpiece gripping portion 14 is installed on a table 14a disposed behind the housing portion 11, and is respectively moved to the X axis by an X axis moving mechanism, a Y axis moving mechanism, a Z axis moving mechanism, and a θ axis moving mechanism (not shown). Direction (direction of arrow a in the left-right direction in FIG. 1), Y-axis direction (direction of arrow b in the left-right direction in FIG. 2), Z-axis (direction of arrow c in FIG. 1 in the up-down direction), θ-axis direction (X It can move in the axial direction and the direction around the vertical axis perpendicular to the Y-axis direction). The workpiece gripping portion 14 includes a frame-like support portion having a pair of rail portions that can be separated from each other in a state of being arranged in parallel, and a sheet-like or plate-like workpiece W that is movably installed on the pair of rail portions. And four gripping portions capable of gripping the four corners.
The pair of rail portions and the four gripping portions are moved by the operation of the driving portion, so that the interval between the gripping portions can be widened or narrowed. It is comprised so that the space | interval of a holding part can be adjusted. For this reason, when the workpiece W is in the form of a sheet having flexibility, the workpiece is left as it is when the workpiece W is in the form of a hard plate with tension applied. Can be fixed. The workpiece gripping unit 14 can move the fixed workpiece W in various directions.
As shown in FIG. 4, the recovery mechanism 15 has one side of the housing lower part 11 </ b> A via a pair of openings 19 formed in a part of the housing lower part 11 </ b> A in the

side surface parts

11 c and 11 d of the housing part 11. A transport conveyor 15a (a storage section transport section according to the present invention) that passes from the outside through the inside of the bottom section 11A and extends to the other outside of the bottom section 11A, and a plurality of storage sections that are intermittently transported by the transport conveyor 15a 15b (product storage section according to the present invention). The conveyor 15a is composed of a roller conveyor provided with a plurality of rollers. By rotating the rollers by the operation of the driving device, for example, the plurality of accommodating portions 15b are conveyed from the left side to the right side in FIG. When the portion 15b is positioned below the hole portion 16a of the base portion 16, it is temporarily stopped.
Then, the plurality of accommodating portions 15b are conveyed by the interval between the accommodating portions 15b in accordance with the timing (the number of drilling operations) at which a predetermined number of product portions (not shown) are accommodated in the accommodating portions 15b. The accommodating portion 15b has a substantially cylindrical structure in which a concave portion for accommodating a product portion perforated from the workpiece W is formed in the center of a rectangular block body from the upper surface to the vicinity of the lower surface. For this reason, the product part which is perforated and falls from the die hole 12a of the lower mold 12 passes through the hole part 16a of the base part 16 and is stacked in the concave part of the accommodating part 16b. The punching device 10 also includes a control device for controlling the operation of various devices provided in the punching device 10 such as the lifting mechanism 18, each moving mechanism for moving the work gripping portion 14, and the transport conveyor 15 a. Yes.
In this configuration, when performing a punching process in which a product portion is punched from the workpiece W, first, the workpiece gripping portion 14 is moved to a position away from the lower mold 12 on the table 14a, and each of the four gripping portions is moved to each of the four gripping portions. Each corner of the work W is gripped. Next, with the upper die 13 raised, the workpiece gripping portion 14 is moved so that a predetermined perforated portion of the workpiece W is positioned in the die hole 12 a of the lower die 12. Then, the elevating mechanism 18 is operated to lower the upper mold 13. As a result, the punch 13a fits into the die hole 12a while pushing the workpiece W into the die hole 12a of the lower die 12, and the punched portion (product portion) of the workpiece W is punched out.
And the perforated product part is accommodated in the recessed part of the accommodating part 15b located below. Next, after raising the upper mold 13, the work gripping part 14 is moved so that the next drilled part of the work W is positioned in the die hole 12 a of the lower mold 12. Then, the upper mold 13 is lowered again to punch out the drilled portion of the workpiece W. By repeating this operation, all the parts to be perforated of the workpiece W can be perforated and the product part can be accommodated in the recess of the accommodating part 15b. When all the drilled parts of the work W have been punched, the remaining unnecessary parts of the work W are transported to a predetermined place on the table 14 a side and the new work W is gripped by the work gripping part 14.
In addition, when a predetermined amount of product parts are stacked in the recesses of the housing part 15 b, the transport conveyor 15 a is operated, and the next empty housing part 15 b is transported below the hole part 16 a of the base part 16. In this way, while the punching process is repeated, a large load is repeatedly applied to the housing unit 11, but the front surface part 11 a and the rear surface part 11 b of the housing part 11 are made of thick steel plates having high rigidity. Therefore, in particular, the base 16 and the lower mold 12 are firmly supported. As a result, the lower mold 12 is not vibrated to adversely affect the drilling process, and the workpiece W can be drilled with high accuracy.
Thus, in this punching apparatus 10, the front surface part 11a and the rear surface part 11b of the housing | casing part 11 are comprised with the thick steel plate with high rigidity. Then, a space portion penetrating between the left and right

side surface portions

11c and 11d is provided in a portion surrounded by the front surface portion 11a and the rear surface portion 11b in the housing lower portion 11A constituting the lower portion of the housing portion 11, and the space portion In addition, a recovery mechanism 15 is provided. According to this punching device 10, the entire punching device 10 is supported in a stable state by the front surface portion 11a and the rear surface portion 11b even if a space for disposing the recovery mechanism 15 is formed in the housing lower portion 11A. become. As a result, the rigidity of the entire casing 11 is increased, and accurate drilling can be performed.
Further, the die hole 12 a of the lower mold 12 is vertically penetrated so that the product portion drilled from the workpiece W falls below the lower mold 12, and the collection mechanism 15 is accommodated below the lower mold 12. The portion 15b is positioned. For this reason, the product part punched out from the workpiece W can be put into the lower accommodating part 15b as it is, and the accommodating part 15b in which a predetermined amount of the product part is accommodated is efficiently placed at a predetermined installation position by the conveyor 15a. Can be transported. Furthermore, since the recessed part formed in the same shape as the product part of the workpiece | work W is provided in the accommodating part 15b, it can be efficiently accommodated in the accommodating part 15b in the state which laminated | stacked the product part in the direction. .
(Modification of the first embodiment)
FIG. 5 shows a punching device 20 according to a modification of the first embodiment described above. In this punching device 20, the recovery mechanism 25 is connected to the housing via a pair of openings (not shown) formed in portions of the left and right

side surface portions

21 c and 21 d included in the housing lower portion 21 </ b> A. A transport conveyor 25a that passes through the inside of the housing lower portion 21A from one outside of the lower body portion 21A and extends to the other outside of the housing lower portion 21A, and a product section that is transported on the transport conveyor 25a are temporarily held to accommodate the housing portion 25b. And an adsorbing and conveying unit 25c. The conveyor 25a is a belt conveyor provided with an endless belt, and the upper surface portion of the endless belt moves from the left side to the right side in FIG.
Further, a rail portion 28 extending horizontally toward the right side from the portion of the case upper portion 21B in the side surface portion 21d of the case portion 21 is provided, and the suction conveyance portion 25c is movably attached to the rail portion 28. It has been. A shelf portion 29 extending in parallel to the rail portion 28 toward the right side is provided below the rail portion 28 in the side surface portion 21d of the housing upper portion 21B. ) Is accommodated. The suction conveyance section 25c includes a bar-shaped vertical portion extending downward from the rail section 28 and a suction section serving as a temporary holding means provided at the lower end. The suction part is moved up and down while moving in the left-right direction along the part 28.
Further, a suction device (not shown) is connected to the suction portion, and the suction portion sucks the object (product portion) by the operation of the suction device. The accommodating part 25b has a structure in which a concave part for accommodating the product part of the punched work W is formed in the center of the plate-like body, and a plurality of sheets can be stacked. In addition, the product conveyance part which concerns on this invention is comprised by the conveyance conveyor 25a, the adsorption conveyance part 25c, and the rail part 28, and the accommodating part for products which concerns on this invention is comprised by the accommodating part 25b. About the structure of the other part of this punching apparatus 20, it is the same as the punching apparatus 10 which concerns on 1st Embodiment mentioned above. Accordingly, the same parts are denoted by the same reference numerals and the description thereof is omitted.
According to this punching device 20, the product part that is perforated and falls from the die hole 12a of the lower mold 12 passes through the hole part 16a of the base part 16 and falls onto the upper surface of the transport conveyor 25a. The product part dropped on the upper surface of the conveyor 25a is conveyed to the outside of the casing unit 21 by the conveyor 25a. And the product part conveyed to the exterior of the housing | casing part 21 with the conveyance conveyor 25a is adsorb | sucked by the adsorption | suction conveyance part 25c, and is conveyed to the accommodating part 25b set | placed on the upper surface of the shelf part 29, and in the recessed part of the accommodating part 25b Is housed in.
Note that the accommodating portion 25b may accommodate only one product portion, or may accommodate a plurality of product portions. When a predetermined amount of product part is stored in the storage part 25b, another empty storage part 25b is stacked on the upper surface of the storage part 25b, and the same operation is repeated. This punching device 20 can also provide the same operational effects as the punching device 10 according to the first embodiment described above.
(Second Embodiment)
6 to 8 show a punching device 30 according to a second embodiment of the present invention. In this punching device 30, a suction part (not shown) of a suction device as a temporary holding means according to the present invention is provided in the upper die 33, and the die 33 of the punch 33 a of the upper die 33 and the lower die 32. The product portion of the workpiece W punched out with the hole 32a is sucked to the lower surface of the punch 33a by suction of the suction device. Further, the upper part 31B of the upper part of the base part 36 in the left and

right side parts

31c, 31d of the case part 31 (from the upper surface position of the base part 36 in the

side parts

31c, 31d, the base part 36 and the

side parts

31c, 31d). A rectangular opening 39 (see FIG. 7) is formed so as to be opposed to each other at a portion between the upper end portion and the upper end portion.
And the collection | recovery mechanism 35 is installed in the part from the outside of the left side of the housing | casing upper part 31B to the approximate center part in the housing | casing upper part 31B through the opening part 39 located in the left side of FIG. The recovery mechanism 35 includes a rail portion 35a that extends from a substantially central portion in the left-right direction at the rear portion of the lower surface of the support portion 37 to the outside through the left-side opening 39, and a rotary carrier that is movable along the rail portion 35a. 35b and a box-shaped accommodation part (not shown). The rotary carrier 35b is composed of a rod-like portion extending downward from the rail portion 35a and a plate-like portion connected to the lower end of the rod-like portion and extending forward, along the rail portion 35a by the operation of the driving device. It moves and rotates in the direction indicated by the arrow d in FIG. 6 with the upper end of the rod-shaped part as the center. The rail 35a and the rotary transport table 35b constitute a movement holding unit according to the present invention.
In addition, a shelf portion 35c extending in the horizontal direction is provided in a portion (a lower side portion of the upper portion 31B of the housing) corresponding to a part of the outer surface of the side surface portion 31c of the housing portion 31 slightly above the base portion 36. The part is installed on the upper surface of the shelf 35c. And this punching apparatus 30 is not provided with the thing corresponding to the collection | recovery mechanism 15 comprised by the conveyance conveyor 15a and the accommodating part 15b in the punching apparatus 10, and a pair of opening part 19. As shown in FIG. About the structure of the other part of this punching apparatus 30, it is the same as the punching apparatus 10 mentioned above. Accordingly, the same parts are denoted by the same reference numerals and the description thereof is omitted.
In this configuration, when performing a punching process by punching a portion to be punched from the workpiece W, the workpiece gripping portion 14 is moved with the gripping portion of the workpiece gripping portion 14 held, and the workpiece gripping portion 14 is moved. A predetermined drilled portion of W is positioned in the die hole 32 a of the lower mold 32. Then, the lifting mechanism 18 is operated to lower the upper mold 33. As a result, the punch 33a fits into the die hole 32a while pushing the workpiece W into the die hole 32a of the lower mold 32, and the portion to be punched (product portion) of the workpiece W is punched. When the upper mold 33 is raised, the product portion perforated by the suction force of the suction device is attracted to the lower surface of the upper mold 33 and rises together with the upper mold 33.
In this state, the rotary conveyance table 35 b is moved to the upper mold 33 side, and the plate-like portion of the rotation conveyance table 35 b is positioned below the upper mold 33. Next, the suction by the suction device is stopped, and the product part is dropped onto the upper surface of the plate-like part. Then, the rotary conveyance table 35b is moved to the left side, and when it reaches the outside of the housing unit 31, the rotary conveyance table 35b is rotated in the direction of the arrow d to drop the product unit into the storage unit. By repeating this operation, the drilled portions of the workpiece W are sequentially drilled, and when all the drilled portions of the workpiece W have been drilled, the remaining portion of the workpiece W is unnecessary. Part is Then, the workpiece is conveyed to a predetermined place on the table 14 a side and a new workpiece W is gripped by the workpiece gripping portion 14. Then, the drilling process is further repeated.
According to this punching device 30, after the product portion is sucked by the suction device and sucked to the lower surface of the upper mold 33, the suction by the suction device is released, and the product portion is turned into the plate-like portion of the rotary conveyance table 35b. Since the product is placed, the operation of receiving the product portion from the upper mold 33 can be reliably performed. In addition, since the housing of the product section only involves rotating the rotary conveyance table 35b and dropping the product section into the housing section, the product section can be reliably housed in the housing section. The effects of the other portions of the punching device 30 are the same as those of the punching device 10 described above.
(Modification of the second embodiment)
FIG. 9 shows a punching device 40 according to a modification of the above-described second embodiment. In the punching device 40, the recovery mechanism 45 includes a rail portion 45a extending from a substantially central portion in the left-right direction at the lower rear portion of the support portion 47 toward the left side surface portion 41c of the housing upper portion 41B in the housing portion 41, and The carriage 45b is movable along the rail 45a, and a suction conveyance unit 45d that sucks and conveys the product unit conveyed by the conveyance table 45b to the storage unit 45c. The rail part 45a is formed shorter than the rail part 35a provided in the punching device 30 described above, and a transport base 45b is movably attached to the rail part 45a.
The carriage 45b is composed of a rod-like portion that extends downward from the rail portion 45a and a plate-like portion that is connected to the lower end of the rod-like portion and extends forward, and moves along the rail portion 45a by the operation of the driving device. However, it cannot rotate like the above-described rotary conveyance table 35b. Further, a rail portion 48 is provided in a portion from a portion slightly on the right side of the left end portion of the rail portion 45a to the outside on the left side of the housing portion 41, and the suction conveyance portion 45d can move to the rail portion 48. Is attached. An L-shaped bent shelf portion 49 is provided below the rail portion 48 of the side surface portion 41c of the housing lower portion 41A of the housing portion 41. The L-shaped bending shelf portion 49 is bent horizontally after extending horizontally toward the left side. In addition, a dish-shaped storage portion 45 c is placed on the upper end surface of the bent shelf 49.
The suction conveyance unit 45d has the same structure as the suction conveyance unit 25c of the punching device 20 described above, and moves in the left-right direction along the rail unit 48 by the operation of the driving device, and also serves as a temporary holding unit. Raise and lower. And an adsorption | suction part adsorb | sucks a product part by the action | operation of a suction device. The accommodating portion 45c has the same structure as the accommodating portion 25b described above, and accommodates the product portion of the work W perforated in the recess formed on the upper surface, so that a plurality of sheets can be stacked. In addition, the movement holding part which concerns on this invention is comprised by the rail part 45a, the conveyance stand 45b, the suction conveyance part 45d, and the rail part 48. FIG. About the structure of the other part of this punching apparatus 40, it is the same as the punching apparatus 30 which concerns on 2nd Embodiment mentioned above. Accordingly, the same parts are denoted by the same reference numerals and the description thereof is omitted.
According to this punching device 40, when the upper mold 33 is raised after punching the product portion from the workpiece W, the punched product portion is attracted to the lower surface of the upper mold 33 by the suction force of the suction device. The upper mold 33 rises together. Then, by moving the transport table 45b to the upper mold 33 side and stopping the suction by the suction device in a state where the plate-like portion of the transport table 45b is positioned below the upper mold 33, the product section is It can be dropped on the upper surface of the plate-like part.
And the product part on the upper surface of a plate-shaped part is the adsorption | suction part of the adsorption | suction conveyance part 45d, when the conveyance stage 45b is moved to the left side and the product part conveyed to the conveyance stage 45b arrives below the adsorption conveyance part 45d. Next, the product portion is transported to the storage portion 45c placed on the upper surface of the bent shelf portion 49 by the suction transport portion 45d and stored in the recess of the storage portion 45c. When this operation is repeated and a predetermined product portion is accommodated in the accommodating portion 45c, another empty accommodating portion 45c is stacked on the upper surface of the accommodating portion 45c, and the same operation is further repeated. Also with this punching device 40, the same effect as the punching device 30 according to the second embodiment described above can be obtained.
(Third embodiment)
FIG. 10 shows a punching device 50 according to a third embodiment of the present invention. In this punching device 50, as shown in FIG. 11, a punching protrusion 52a protruding slightly above the peripheral portion is formed at the center of the upper surface of the lower mold 52, and on the upper surface of the punching protrusion 52a. A through hole 52 b as a small through hole for drilling according to the present invention is formed from a predetermined portion to the lower surface of the lower mold 52. The upper mold 53 is formed with a shallow drilling recess 53a into which the drilling projection 52a can be fitted on the lower surface, and the lower surface of the drilling recess 53a is fitted in the through hole 52b at a portion facing the through hole 52b. A small punch 53b as a small projecting portion for drilling according to the present invention that can be fitted projects downward.
That is, the punching die composed of the lower die 52 and the upper die 53 is configured to punch out the product portion from the workpiece W and at the same time punch out the unnecessary portion D from the product portion. Includes a recovery mechanism 55 for recovering the product part and a recovery mechanism 55a for recovering the unnecessary part D. The recovery mechanism 55 has the same structure as the recovery mechanism 35 provided in the punching device 30 shown in FIGS. Accordingly, the same parts are denoted by the same reference numerals and the description thereof is omitted. Further, the recovery mechanism 55a includes a transfer conveyor 55b similar to the transfer conveyor 15a shown in FIGS. 1 and 4, and a storage portion 55c formed of a box-shaped container. Further, the configuration of the other parts of the punching device 50 is the same as that of the punching device 10 described above. The same reference numerals are given to the same parts, and the description is omitted.
According to the punching device 50, when the upper mold 53 is lowered with respect to the lower mold 52 in a state where the workpiece W is arranged on the upper surface of the lower mold 52, the perforation protrusion 52a and the perforation recess 53a are formed. The product part is punched from the workpiece W by the fitting. At the same time, the unnecessary portion D is punched from the product portion by fitting the through hole 52b and the small punch 53b. Then, the product portion is attracted to the lower surface of the upper mold 53 by the suction force of the suction device and then lifted, and then is transported by the recovery mechanism 55 and stored in the storage portion. On the other hand, the unnecessary part D falls downward and is accommodated in the accommodating part 55c.
For this reason, according to the punching apparatus 50, the product part of a complicated shape can be punched, and the product part and the unnecessary part D separated from the workpiece W can be separately separated and efficiently recovered. Other functions and effects of the punching apparatus 50 are the same as the functions and effects of the punching apparatus according to the above-described embodiments.
The punching apparatus according to the present invention is not limited to the above-described embodiments, and can be implemented with appropriate modifications. For example, in the third embodiment described above, the collection mechanism 55a for collecting the unnecessary portion D is configured by the transport conveyor 55b and the storage portion 55c, but the transport conveyor 55b is omitted and only the storage portion 55c is provided. The recovery mechanism may be configured by. Moreover, in each embodiment mentioned above, although only the front surface part 11a and the rear surface part 11b of the wall surfaces which comprise the housing | casing part 11 grade | etc., Are comprised with the steel plate with thick thickness,

side part

11c, 11d, etc. May be made of a similar steel plate. According to this, the strength of the casing portion 11 and the like is further increased.
Further, in the

punching devices

10 and 20, only the front surface portion 11a and the rear surface portion 11b located in the housing

lower portions

11A and 21A can be formed of thick and highly rigid steel plates. Can comprise only the front surface part 11a and the rear surface part 11b which are located in the housing | casing upper part 31B and the part of 41B with a steel plate with thickness and high rigidity. Furthermore, the temporary holding means is not limited to means such as suction and suction, and any means may be used as long as it can temporarily receive, hold, and release the product part.

Claims

In a punching device for punching out a portion to be perforated from the workpiece by moving the upper die forward and backward with respect to the lower die while a sheet-like or plate-like workpiece is installed on the upper surface of the lower die,
A rectangular housing that supports either or both of the lower mold and the upper mold, and penetrates through at least one of the side surfaces located on both sides from the inside to the outside. A housing part forming a space part;
A recovery mechanism that is provided from the space portion to the outside of the housing portion and for recovering a drilled portion of the punched workpiece;
2. A punching apparatus according to claim 1, wherein both side surfaces orthogonal to the side surfaces located on both sides of the housing part are configured by strong wall surface parts.
The punching device according to claim 1,
The workpiece perforated part is a product part, and the recovery mechanism is a product comprising a product accommodating part for accommodating the product part of the perforated work and an accommodating part conveying part for conveying the product accommodating part. Punching device that is a recovery mechanism for the machine.
The punching device according to claim 2, wherein
In order to drop the product portion of the punched work in the lower mold below the lower mold, a drilling through hole penetrating from the upper surface to the lower surface is provided,
The storage unit transporting unit is a transporting conveyor provided through the side surfaces located on both sides of the lower side of the lower mold in the housing unit, and the product storage unit transports the storage unit The punching apparatus which is a container which receives the product part of the said workpiece | work which is conveyed by the part and falls from the said lower mold under the said lower mold, and accommodates it in an inside.
The punching device according to claim 1,
The punched part of the workpiece is a product part, and the recovery mechanism is provided outside the casing part, the product transporting part transporting the product part of the punched workpiece to the outside of the casing part, and A punching device which is a product recovery mechanism including a product storage portion for storing a product portion of a workpiece transported by a product transport portion.
The punching device according to claim 4, wherein
In order to drop the product part of the punched work in the lower mold below the lower mold, a drilling through-hole penetrating from the upper surface to the lower surface is provided, and the product conveying part is
A transport conveyor for receiving the product part of the workpiece falling from the lower mold below the lower mold and transporting it to the outside of the housing part;
The punching apparatus comprised with the adsorption | suction conveyance part which adsorb | sucks the product part of the said workpiece | work conveyed by the said conveyance conveyor to the exterior of the said housing part, and conveys it to the said product accommodating part.
5. The punching device according to claim 4, wherein the upper mold further includes temporary holding means for temporarily holding a product portion of the punched work on a lower surface of the upper mold,
The product transport unit includes a moving holding unit that receives and holds the product part of the workpiece from the lower surface of the upper mold and moves the product part to the outside of the housing unit, and the product part of the workpiece is accommodated for the product. Punching device that conveys to the part.
The punching device according to claim 6, further comprising a small protrusion for drilling on a lower surface of the upper mold for punching an unnecessary portion located in the product portion, and from the upper surface to the lower surface of the lower mold. The punching apparatus according to claim 6, wherein a small through-hole for penetrating is provided, and an unnecessary portion recovery mechanism for recovering the unnecessary portion is provided below the lower mold.
The punching device according to any one of claims 2 to 7,
The punching apparatus which comprised the said accommodating part for products with the cylindrical or dish-shaped container provided with the recessed part formed in the same shape as the said product part in planar view.