Mechanical die for punching machine
The mechanical mold for punching machines addresses the issue of lateral offset by using a hydraulic column and limit block system to ensure accurate stamping and efficient waste collection, while preserving the rubber pad's buffering capabilities.
Patent Information
- Application Number
- CN202420683954.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-04
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-04-04
AI Technical Summary
The lateral offset of the mold lower plate during stamping operations due to the plasticity of the rubber pad affects the stamping accuracy of plate-shaped materials in existing mechanical molds for punching machines.
A mechanical mold design incorporating a hydraulic column, support frame, connecting rod, limit block, and pull ring to restrict lateral movement of the mold and plate material, while maintaining longitudinal movement, ensuring accurate stamping and facilitating waste collection.
The design enhances stamping accuracy by restricting lateral movement and allows for efficient collection and processing of workpieces and sheet waste, maintaining the buffering and shock-absorbing effects of the rubber pad.
Smart Images

Figure CN222198512U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mechanical moulds, in particular to a mechanical mould for a punching machine. Background Art
[0002] Mechanical molds are combined with punching machines to punch out workpieces or make the plate-shaped materials punch out the parts that need to be cut to obtain hollow workpieces through the physical method of punching the plate-shaped materials. Different workpiece sizes and required processing shapes require different mechanical molds.
[0003] Patent No. CN218224313U discloses a mechanical mold for a punch press, including a base, a hydraulic column is fixedly connected to the front and rear of the base, a long groove is provided at the upper end of the hydraulic column, a rubber pad is provided in the long groove, the lower plate of the mold is clamped between the two hydraulic columns by interference fit with the rubber pad, the upper plate of the mold corresponds to the upper plate of the mold, a hollow square connecting block is fixedly connected to the center of the upper end of the mold upper plate, the hollow cavity of the hollow square connecting block matches the punch of the punch press, the four vertical sides of the hollow square connecting block are provided with threaded holes, the threaded holes A threaded rod is provided in the hole. The disassembly and installation of the mold lower plate and the mold lower plate can be easily realized through the rubber pad, hollow square connecting block and threaded rod. The processing of different workpieces is realized by replacing different molds. The buffering and shock absorption function is realized by the rubber pad and hydraulic column. When the mechanical mold of the above scheme is actually used, since the rubber pad has a certain plasticity, the mold lower plate after the plate material is fixed may be lateral during the stamping operation, which affects the stamping accuracy of the plate material. For this reason, we propose a mechanical mold for a punching machine. Utility Model Content
[0004] The utility model aims to provide a mechanical mould for a punching machine, so as to solve the problem that when the mechanical mould proposed in the above background technology is actually used, due to the certain plasticity of the rubber pad, the lower plate of the mould after the plate-shaped material is fixed may be laterally offset during the stamping operation, thereby affecting the stamping accuracy of the plate-shaped material.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mechanical mold for a punching machine, comprising a hydraulic column fixed on the top of a base, the outer end of the top of the hydraulic column is detachably connected to a support frame, a connecting rod is inserted into the side of the support frame, one end of the connecting rod is glued to a limit block, the outer wall of the limit block is polished and fixed to the slope on the top of the base, the inside of the slope is detachably connected to a frame, so as to recycle workpieces or sheet waste generated by stamping plate-shaped materials.
[0006] Preferably, an end block is welded to the other end of the connecting rod, a threaded groove is provided at the contact position between the end of the connecting rod near the end block and the support frame, an installation groove is provided at the contact position between the top of the support frame and the hydraulic column, and a bolt is threadedly connected in the installation groove to threadably connect the support frame and the hydraulic column.
[0007] Preferably, a slot is provided on one side of the slope, the slot extends to one side of the inclined surface of the slope, a frame is passed through the slot, the frame is fixedly connected to a side panel on the outer side of the slope, a pull ring is fixedly connected to the outside of the side panel, the length of the side panel is greater than the side length of the frame, thereby limiting the frame.
[0008] Compared with the prior art, the beneficial effects of the utility model are:
[0009] 1. The utility model cooperates with the support frame, end block, bolt, connecting rod and limit block through the use of the support frame, the outer end of the top of the hydraulic column is symmetrically provided with a threaded connection connecting rod, end block and limit block. After the plate material and the mold are fixed, the connecting rod is driven to rotate by rotating the end block, and then the limit block is driven to move toward the side close to the mold until the limit block contacts the mold, which restricts the lateral movement of the mold and the plate material as a whole, and then ensures the stamping accuracy of the plate material. Because the outer surface of the limit block is polished, it will not affect the longitudinal movement of the mold and the plate material, that is, it will not affect the buffering and shock-absorbing effect of the rubber pad on the mold and the plate material.
[0010] 2. The utility model uses a card slot, a frame, a side plate and a pull ring. A penetrating card slot is opened on the side of the slope to connect the frame. The workpiece or sheet waste generated by the stamping operation is collected through the frame. After the stamping operation is completed, the pull ring is pulled to pull out the frame to take out the workpiece, and then the collected sheet waste can be centrally processed. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0012] Figure 2 For this utility model Figure 1 A magnified schematic diagram of the structure at center A;
[0013] Figure 3 For this utility model Figure 1 A magnified schematic diagram of the structure at B in the middle;
[0014] In the figure: 1. base; 2. hydraulic column; 3. pull ring; 4. ramp; 5. support frame; 6. end block; 7. bolt; 8. connecting rod; 9. limit block; 10. side plate; 11. frame; 12. slot. DETAILED DESCRIPTION
[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0016] Example
[0017] See also Figure 1-Figure 3 , a mechanical mold for a punching machine shown in the figure includes a hydraulic column 2 fixed on the top of a base 1, the outer end of the top of the hydraulic column 2 is detachably connected to a support frame 5, a connecting rod 8 is inserted into the side of the support frame 5, one end of the connecting rod 8 is glued to a limit block 9, the outer wall of the limit block 9 is polished and fixed to the slope 4 on the top of the base 1, and a frame 11 is detachably connected inside the slope 4 to recycle workpieces or sheet waste generated by stamping plate-shaped materials, the other end of the connecting rod 8 is welded with an end block 6, and a threaded groove is provided at the position where the connecting rod 8 is in contact with the support frame 5 near the end of the end block 6, and the top of the support frame 5 is in contact with the hydraulic column 2 A mounting groove is provided at the position, and a bolt 7 is threadedly connected in the mounting groove to threadably connect the support frame 5 and the hydraulic column 2; a symmetrical support frame 5 is threadedly connected to a connecting rod 8, an end block 6 and a limit block 9 at the top outer end of the hydraulic column 2. After the plate material and the mold are fixed, the end block 6 is rotated to drive the connecting rod 8 to rotate, and then drive the limit block 9 to move toward the side close to the mold until the limit block 9 contacts the mold, which restricts the lateral movement of the mold and the plate material as a whole, and then ensures the stamping accuracy of the plate material. Because the outer surface of the limit block 9 is polished, it will not affect the longitudinal movement of the mold and the plate material, that is, it will not affect the buffering and shock-absorbing effect of the rubber pad on the mold and the plate material.
[0018] Furthermore, a slot 12 is provided on one side of the slope 4, and the slot 12 extends to one side of the inclined surface of the slope 4. A frame 11 is passed through the slot 12, and the frame 11 is located on the outer side of the slope 4 and is fixedly connected to a side panel 10. A pull ring 3 is fixedly connected to the outside of the side panel 10. The length of the side panel 10 is greater than the side length of the frame 11, which serves to limit the frame 11. A slot 12 is provided on the side of the slope 4 to connect the frame 11, and the workpiece or sheet waste generated by the stamping operation is collected through the frame 11. After the stamping operation is completed, the pull ring 3 is pulled out to pull out the frame 11 to remove the workpiece, and then the collected sheet waste can be processed centrally.
[0019] It should be noted that the utility model is a mechanical mold for a punching machine. The plate and the mold are first connected, and then the mold and the hydraulic column are connected. The end block 6 is rotated to drive the connecting rod 8 to rotate, and then the limit block 9 is driven to move toward the side close to the mold until the limit block 9 is in contact with the mold, which restricts the lateral movement of the mold and the plate material as a whole, ensuring the stamping accuracy of the plate material. After completing the stamping operation, the pull ring 3 is pulled out to pull out the frame 11 to take out the workpiece, and then the collected plate waste can be centrally processed.
[0020] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0021] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A mechanical die for a punch press, Features: include: A hydraulic column (2) is fixed on the top of the base (1), the outer end of the top of the hydraulic column (2) is detachably connected to a support frame (5), a connecting rod (8) is inserted into the side of the support frame (5), one end of the connecting rod (8) is glued to a limit block (9), and the outer wall of the limit block (9) is polished; A slope (4) is fixed on the top of the base (1), and a frame (11) is detachably connected inside the slope (4) to recycle workpieces or plate waste generated by stamping plate-shaped materials.
2. A mechanical die for a punch press according to claim 1, Features: The other end of the connecting rod (8) is welded with an end block (6), and a threaded groove is provided at a position where one end of the connecting rod (8) near the end block (6) contacts the support frame (5).
3. A mechanical die for a punch press according to claim 1, Features: A mounting groove is provided at the contact position between the top of the support frame (5) and the hydraulic column (2), and a bolt (7) is threadedly connected in the mounting groove to threadably connect the support frame (5) and the hydraulic column (2).
4. A mechanical die for a punch press according to claim 2, Features: A slot (12) is provided on one side of the slope (4), the slot (12) penetrates to one side of the inclined surface of the slope (4), and a frame (11) is provided inside the slot (12).
5. A mechanical die for a punch press according to claim 4, Features: The frame (11) is fixedly connected to a side plate (10) on one side outside the slope (4), and a pull ring (3) is fixedly connected to the outside of the side plate (10).
6. A mechanical die for a punch press according to claim 5, Features: The length of the side plate (10) is greater than the side length of the frame (11), and serves to limit the position of the frame (11).
