Stamping tool self-adaptive to workpiece size

Abstract

A stamping tool self-adaptive to the size of a workpiece comprises a lower die which is used for bearing the workpiece and provided with a plurality of punched holes, and further comprises an upper die which is provided with a plurality of punches corresponding to the punched holes and used for stamping the workpiece, a containing area is further arranged on the lower die, and the punched holes are formed in the containing area; the first positioning piece is fixedly arranged at one end part of the placing area; the second positioning piece corresponds to the other end part of the placing area of the first positioning piece; and the adapting piece abuts against the second positioning piece and is used for providing pushing force towards the direction of the first positioning piece. In the process of closing the upper die, the adapting piece applies a pushing force to the first positioning piece, so that the first positioning piece can move towards the direction of the first positioning piece, a workpiece located between the first positioning piece and the second positioning piece is clamped, and the stability of the workpiece in the stamping machining process is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of workpiece stamping technology, specifically to a stamping fixture that adapts to workpiece size. Background Technology

[0002] Stamping is a processing method for workpieces. It involves setting up upper and lower dies that are opposite each other, with corresponding punches and holes on them. When the workpiece is placed between the upper and lower dies, the upper die is pressed towards the lower die to stamp out the workpiece into a predetermined shape or hole, thus completing the stamping process.

[0003] Currently, stamping is used for workpieces that require surface-mounted holes. During processing, only the workpiece needs to be fixed. However, for workpieces with small distances between the holes and edges, such as… Figure 1 As shown, several holes in the workpiece are located at the edge of the workpiece and the distance between them and the edge is small. Therefore, the positioning requirements of the workpiece are high during the stamping process. When the workpiece shakes, it is easy to cause the holes to deform or crack during stamping.

[0004] Therefore, a new type of stamping fixture is needed to solve the above-mentioned technical problems. Utility Model Content

[0005] The purpose of this utility model is to provide a stamping fixture that adapts to the workpiece size. To solve the above-mentioned technical problems, this utility model adopts the following technical solution:

[0006] A stamping fixture that adapts to workpiece dimensions includes a lower die for carrying the workpiece and having a plurality of punches, and an upper die having a plurality of punches corresponding to the punches for stamping the workpiece. The lower die is further provided with:

[0007] The placement area, wherein the punching is located within the placement area;

[0008] A first positioning element is fixedly disposed at one end of the placement area;

[0009] The second positioning member is disposed at the other end of the placement area corresponding to the first positioning member along the length of the placement area, and is movably disposed on the lower mold in the direction toward the first positioning member.

[0010] An adaptor abuts against the second positioning member to provide a pushing force toward the first positioning member, thereby clamping and fixing the workpiece between the second positioning member and the first positioning member.

[0011] Furthermore, a first positioning hole is formed on the lower mold, and the first positioning element is fixedly installed therein; a second positioning hole is also provided on the lower mold, the second positioning hole including...

[0012] A sliding portion, wherein the second positioning member is slidably disposed within the sliding portion in a direction toward the first positioning member, and

[0013] The abutting part is disposed on the side of the sliding part away from the first positioning member and communicates with the sliding part. The adapting member is disposed inside the abutting part and abuts with the second positioning member.

[0014] Furthermore, the adaptor is made of rubber / plastic / silicone material;

[0015] A pressing member corresponding to the adapting member is also formed on the upper mold. During the stamping process of the upper mold and the lower mold docking with each other, the pressing member presses the adapting member downwards, causing the adapting member to produce elastic deformation to push the second positioning member to slide towards the first positioning member.

[0016] Furthermore, multiple third positioning elements for positioning the workpiece are also provided at the remaining edges of the placement area.

[0017] Furthermore, the lower mold includes a base plate and a lower plate fixedly mounted on the base plate. The first positioning hole and the second positioning hole are both provided on the lower plate, and the adapting member is placed after the abutment portion and fixedly connected to the base plate.

[0018] The beneficial effects of this utility model are as follows:

[0019] This utility model provides a stamping fixture that can automatically adapt to the size of the workpiece. After the workpiece is assembled on the lower die, it can clamp the workpiece during the stamping process of the upper and lower dies, thereby ensuring the fixed position of the workpiece and ensuring the accuracy of the hole position during stamping. It is worth noting that since there is a certain processing error during the cutting process of the workpiece, its length or width may vary. By setting an adapting part on the lower die, the adapting part can apply a pushing force to the first positioning part during the die closing process of the upper die, so that it can move towards the direction of the first positioning part, thereby clamping the workpiece located between the first positioning part and the second positioning part, ensuring the stability of the workpiece during the stamping process. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the workpiece involved in the background technology of this utility model.

[0021] Figure 2This is a front view of the upper and lower molds in the present invention in a separated state.

[0022] Figure 3 This is a front view of the lower mold in this utility model.

[0023] Figure 4 This is a certificate drawing showing the present invention after the first positioning element, the second positioning element, and the adapting element have been removed.

[0024] Figure 5 This is a sectional view along the AA direction.

[0025] In the diagram: 100-lower die; 101-punching; 200-upper die; 201-punch; 100-placement area; 120-first positioning part; 130-second positioning part; 140-adaptive part; 150-first positioning hole; 160-second positioning hole; 161-sliding part; 162-abutting part; 202-pressing part; 170-third positioning part; 180-base plate; 190-lower plate. Detailed Implementation

[0026] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to embodiments and accompanying drawings. The content mentioned in the embodiments is not intended to limit the present invention. The present invention will be described in detail below with reference to the accompanying drawings.

[0027] This utility model provides a stamping fixture that can automatically adapt to the size of the workpiece. After the workpiece is assembled on the lower die 100, it can clamp the workpiece during the stamping process between the upper die 200 and the lower die 100, thereby ensuring the fixed position of the workpiece and ensuring the accuracy of the hole position during stamping. It is worth noting that since there is a certain processing error during the cutting process of the workpiece, its length or width may differ. By providing an adaptor 140 on the lower die 100, the adaptor 140 can apply a pushing force to the first positioning member 120 during the mold closing process of the upper die 200, so that it can move towards the first positioning member 120, thereby clamping the workpiece located between the first positioning member 120 and the second positioning member 130, ensuring the stability of the workpiece during the stamping process.

[0028] Specifically, such as Figure 2-5As shown in the figure, the present invention provides a stamping fixture for adaptive workpiece size, including a lower die 100 for carrying the workpiece and having a plurality of punches 101, and an upper die 200 having a plurality of punches 201 corresponding to the punches 101 for stamping the workpiece. The lower die 100 also has a placement area 110, within which the punches 101 are located. During the stamping process, the workpiece is placed within the placement area 110. The lower die 100 also has a first positioning element 120. The second positioning member 130 and the adapting member 140 are provided, wherein the first positioning member 120 is fixedly disposed at one end of the placement area 110; the second positioning member 130 is disposed along the length of the placement area 110 at the other end of the placement area 110 corresponding to the first positioning member 120, and is movably disposed on the lower mold 100 in the direction toward the first positioning member 120; the adapting member 140 abuts against the second positioning member 130 to provide a pushing force toward the first positioning member 120, so that the second positioning member 130 and the first positioning member 120 clamp and fix the workpiece.

[0029] In other words, the first positioning member 120 and the second positioning member 130 define a placement area 110 for placing the workpiece, and the second workpiece abuts against each other through the adaptation member 140 and provides a pushing force towards the first workpiece, thereby clamping the workpiece located within the placement area 110 and fixing the workpiece. For the fixed workpiece, during the stamping process, the integrity of the holes on the workpiece can be guaranteed, and there will be no deformation or cracking.

[0030] In this embodiment, as Figure 3-5 As shown, a first positioning hole 150 is formed on the lower mold 100, and a first positioning member 120 is fixedly installed in it; a second positioning hole 160 is also provided on the lower mold 100. The second positioning hole 160 includes a sliding part 161 and an abutting part 152. The second positioning member 130 is slidably disposed in the sliding part 161 in the direction toward the first positioning member 120. The abutting part 152 is disposed on the side of the sliding part 161 away from the first positioning member 120 and communicates with the sliding part 161. The adapting member 140 is disposed in the abutting part 152 and abuts against the second positioning member 130.

[0031] During the process of fixing and clamping the workpiece, the adaptor 140 applies a pushing force to the first positioning member 120 within the abutment portion 152, causing the first positioning member 120 to slide within the sliding portion 161 in the direction of the first positioning member 120, thereby fixing and clamping the workpiece between the first positioning member 120 and the second positioning member 130. By limiting the sliding of the first positioning member 120 within the sliding portion 161, the stability of the first positioning member 120 can be ensured.

[0032] In this embodiment, the adaptor 140 is made of rubber / plastic / silicone material; at the same time, a pressing member 202 corresponding to the adaptor 140 is also formed on the upper mold 200. During the stamping process when the upper mold 200 and the lower mold 100 are connected to each other, the pressing member 202 presses the adaptor 140 downward, and causes the adaptor 140 to produce elastic deformation to push the second positioning member 130 to slide towards the first positioning member 120.

[0033] In other words, by using an adaptor 140 made of rubber, plastic or silicone material to be fixedly installed inside the abutment portion 152, during the die-clamping process of the upper mold 200 and the lower mold 100, the pressing member 202 presses the adaptor 140 in advance, thereby causing the adaptor 140 to undergo elastic deformation. Due to the restriction of the inner wall of the abutment portion 152, the deformation part mainly occurs towards the sliding portion 161, thereby pushing the second positioning member 130, causing the second positioning member 130 to slide towards the first positioning member 120 within the sliding portion 161, and clamping and fixing the workpiece.

[0034] By configuring the adaptor 140 as described above, when the upper mold 200 and the lower mold 100 are separated, the adaptor 140 is in a normal state, that is, the first positioning element 120 and the second positioning element 130 are separated. At this time, the workpiece can be easily placed within the placement area 110. During the die-pressing process of the upper mold 200 and the lower mold 100, the pressing element 202 presses the adaptor 140 to cause it to elastically deform, thereby clamping the workpiece. It is worth noting that, due to the certain properties of the workpiece during the production process... Therefore, the elastic deformation of the adaptor 140 can clamp workpieces of different sizes. In this embodiment, the adaptor 140 is a cylindrical structure. Therefore, when the adaptor 140 undergoes elastic deformation, the deformation mainly occurs at the point where the adaptor 140 and the first positioning member 120 abut against each other, forming a vertical rectangular plane. During the process of pushing the first positioning member 120 by the elastic deformation, the sliding of the first positioning member 120 is more stable and the pushing force is greater, which can ensure the clamping degree of the workpiece. At the same time, with the technical solution provided by this utility model, when the upper and lower dies are not closed for stamping, the adaptor is not subjected to extrusion force and will not undergo elastic deformation. Therefore, at this time, the first and second positioning members are in the process of separating from each other. Only during the process of the upper and lower dies closing for stamping, after being squeezed by the pressing member, can the adaptor undergo elastic deformation to push and slide the second positioning member, clamping the workpiece. This allows it to automatically adapt to the size of the workpiece and accurately clamp and fix it.

[0035] In this embodiment, in order to improve the stability of the workpiece within the placement area 110, a plurality of third positioning elements 170 for positioning the workpiece are provided at the remaining edges of the placement area 110.

[0036] In this embodiment, to facilitate the production and assembly of the lower mold 100, the lower mold 100 includes a base plate 180 and a lower plate 190 fixedly mounted on the base plate 180. A first positioning hole 150 and a second positioning hole 160 are both provided on the lower plate 190, and the adapting member 140 is fixedly connected to the base plate 180 after being placed on the abutment portion 152. The base plate 180 can be used to be fixedly mounted on other supporting components.

[0037] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with preferred embodiments, it is not intended to limit the present utility model. Any person skilled in the art can make some changes or modifications to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the present utility model without departing from the scope of the present utility model shall fall within the scope of the present utility model.

Claims

1. A stamping fixture with adaptive workpiece size, comprising a lower die for carrying the workpiece and having a plurality of punches, and an upper die having a plurality of punches corresponding to the punches for stamping the workpiece, characterized in that, The lower mold is also provided with: The placement area, wherein the punching is located within the placement area; A first positioning element is fixedly disposed at one end of the placement area; The second positioning member is disposed at the other end of the placement area corresponding to the first positioning member along the length of the placement area, and is movably disposed on the lower mold in the direction toward the first positioning member. An adaptor abuts against the second positioning member to provide a pushing force toward the first positioning member, thereby clamping and fixing the workpiece between the second positioning member and the first positioning member.

2. The stamping fixture for adaptive workpiece size according to claim 1, characterized in that, A first positioning hole is formed on the lower mold, and the first positioning element is fixedly installed therein; a second positioning hole is also provided on the lower mold, the second positioning hole including a... A sliding portion, wherein the second positioning member is slidably disposed within the sliding portion in a direction toward the first positioning member, and The abutting part is disposed on the side of the sliding part away from the first positioning member and communicates with the sliding part. The adapting member is disposed inside the abutting part and abuts with the second positioning member.

3. The stamping fixture for adaptive workpiece size according to claim 2, characterized in that, The fitting is made of rubber / plastic / silicone material; A pressing member corresponding to the adapting member is also formed on the upper mold. During the stamping process of the upper mold and the lower mold docking with each other, the pressing member presses the adapting member downwards, causing the adapting member to produce elastic deformation to push the second positioning member to slide towards the first positioning member.

4. The stamping fixture for adaptive workpiece size according to claim 3, characterized in that, The remaining edges of the placement area are also provided with multiple third positioning elements for positioning the workpiece.

5. A stamping fixture for adaptive workpiece size according to claim 4, characterized in that, The lower mold includes a base plate and a lower plate fixedly mounted on the base plate. The first positioning hole and the second positioning hole are both provided on the lower plate, and the adapting member is placed after the abutment part and fixedly connected to the base plate.

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