Punching die of punching and wire bending welding machine
By designing the mold of the punching, bending and welding machine as a hollow column structure, and setting bottom knife modules and stamping cylinders at both ends of the mold frame, the mold structure is simplified, manufacturing costs are reduced and processing efficiency is improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FOSHAN JINGYU MASCH EQUIP CO LTD
- Filing Date
- 2025-04-15
- Publication Date
- 2026-05-05
AI Technical Summary
The punching dies of existing punching, bending and welding machines have complex structures, large volumes and high manufacturing costs.
The mold frame adopts a hollow column structure, with bottom die assemblies and stamping cylinders at both ends. The wire guide holes are symmetrically arranged on both sides of the mold frame. The punching assembly and the bottom die assembly work together to perform punching processing. The mold design is simple and compact, with high stress strength and easy replacement of mold components.
This design achieves a compact mold structure, reduces manufacturing costs, saves equipment installation space, and improves processing efficiency.
Smart Images

Figure CN224195725U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of punching die technology, specifically to a punching die for a punching, bending and welding machine. Background Technology
[0002] The punching, bending and welding machine in the prior art is a mechanical device that integrates punching, bending and welding. Generally, it first punches flat linear metal, then bends and cuts it, and finally welds the bent wire, thereby improving the processing efficiency of punching, bending and welding flat linear metal into one integrated form.
[0003] However, the punching molds of existing punching and bending welding machines have complex structures and large volumes, which are not conducive to the overall structural optimization of the equipment and result in high material costs for manufacturing the equipment. Utility Model Content
[0004] The purpose of this utility model is to provide a punching die for a punching and bending welding machine, which aims to solve the problems of complex structure and high manufacturing cost of punching dies in existing punching and bending welding machines.
[0005] To achieve the above objectives, this utility model provides a punching die for a punching, bending, and welding machine, comprising: a die frame, which is a hollow cylindrical structure; a die frame base plate, closedly disposed at the lower end of the die frame, with a bottom die assembly located inside the die frame at the upper end of the die frame base plate; a stamping cylinder, disposed at the upper end of the die frame, with the piston rod end of the stamping cylinder extending into the die frame and having a punching assembly disposed opposite to the bottom die assembly; and wire guide holes, symmetrically disposed on both sides of the die frame, with the lower end face of the wire guide holes flush with the upper end face of the bottom die assembly.
[0006] Furthermore, the upper end of the bottom die module is provided with a punching guide block, one end of the punching guide block is inserted and fixed to the wire passage hole, the punching guide block is provided with a guide hole, and the bottom of the punching guide block is provided with a wire passage groove communicating with the wire passage hole.
[0007] Furthermore, the bottom die assembly includes a bottom die and a punching bottom die, wherein the punching bottom die is embedded in the inner center of the bottom die and is concentrically arranged with the guide hole.
[0008] Furthermore, the punching guide block is formed by the docking of two identical separate blocks.
[0009] Furthermore, the punching module includes a connecting seat, a needle clamp, and a punch. The connecting seat is connected to the piston rod end of the stamping cylinder, the needle clamp is vertically arranged on the connecting seat, and the punch is detachably arranged on the needle clamp.
[0010] Furthermore, the mold base plate is provided with a material dropping hole.
[0011] Furthermore, the bottom blade module is detachably connected to the mold base plate.
[0012] Furthermore, the punching module is detachably connected to the piston rod end of the stamping cylinder.
[0013] Furthermore, the mold frame is provided with an observation window on its side.
[0014] The punching die for a punching, bending, and welding machine provided by this utility model, compared with the prior art, adopts a hollow column structure for the die frame, and provides a bottom die assembly and a stamping cylinder at both ends of the die frame. The piston rod end of the stamping cylinder is provided with a punching die assembly opposite to the bottom die assembly. The wire passage holes are symmetrically arranged on both sides of the die frame, and the lower end face of the wire passage hole is flush with the upper end face of the bottom die assembly. Flat linear metal is allowed to enter the die frame through the wire passage hole, and the flat linear metal is punched through the cooperation of the punching die assembly and the bottom die assembly. This makes the overall structure simple and compact, with guaranteed strength, without occupying equipment installation space, and saving manufacturing costs. Attached Figure Description
[0015] Figure 1 is a schematic diagram of the punching die of a punching and bending welding machine according to the present invention;
[0016] Figure 2 is a schematic diagram of the internal structure of the punching die of the punching bending welding machine of this utility model;
[0017] Figure 3 is an exploded view of the punching die of a punching and bending welding machine according to this utility model.
[0018] Explanation of reference numerals in the attached figures
[0019] 10-Mold base; 11-Mold base plate; 111-Blanking hole; 12-Wire guide hole; 13-Observation window;
[0020] 20 - Bottom die assembly; 21 - Bottom die; 22 - Punching bottom die;
[0021] 30-Stamping cylinder; 31-Connecting seat; 32-Needle clamp;
[0022] 40 - Punching guide block; 41 - Guide hole; 42 - Wire groove. Detailed Implementation
[0023] The present invention will be described in detail below with reference to specific embodiments.
[0024] In this invention, when directional terms appear, they are used to facilitate the description of the invention.
[0025] The use of novel and simplified descriptions, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, should not be construed as limiting the specific scope of protection of this utility model.
[0026] In this utility model, unless otherwise explicitly specified and limited, when terms such as "set in," "connected," or "linked" appear, these terms should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can also refer to a mechanical connection; they can refer to a direct connection or a connection through an intermediate medium; or they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0027] As shown in Figures 1 to 3, a punching die for a punching and bending welding machine includes a die frame 10, a die frame base plate 11, a punching cylinder 30, and a wire guide hole 12.
[0028] The mold frame 10 is a hollow column structure. The integrated structural design of the mold frame 10 helps to improve the size and optimize the overall spatial design of the equipment.
[0029] The mold base plate 11 is closed at the lower end of the mold frame 10, and the upper end of the mold base plate 11 is provided with a bottom die module 20 located inside the mold frame 10. The stamping cylinder 30 is provided at the upper end of the mold frame 10, and the piston rod end of the stamping cylinder 30 extends into the mold frame 10 and is provided with a punching module opposite to the bottom die module 20.
[0030] The wire guide holes 12 are symmetrically arranged on both sides of the mold frame 10, and the lower end face of the wire guide holes 12 is flush with the upper end face of the bottom die assembly 20.
[0031] In practice, the flat linear metal enters the mold frame 10 through the wire hole 12. The stamping cylinder 30 drives the punching module and the bottom die module 20 to perform punching processing on the flat linear metal. The structure is compact and simple, effectively saving the manufacturing cost of the punching mold.
[0032] In this embodiment, the upper end of the bottom die module 20 is provided with a punching guide block 40. One end of the punching guide block 40 is inserted and fixed to the wire hole 12. The punching guide block 40 is provided with a guide hole 41, which is used to cooperate with the punching module to play a positioning and guiding role. The bottom of the punching guide block 40 is provided with a wire groove 42 that communicates with the wire hole 12, so that flat linear metal can enter the die frame 10 from the wire groove 42 for punching.
[0033] Among them, the punching guide block 40 is formed by the docking of two identical split blocks, which facilitates the calibration and adjustment of the hole position.
[0034] In this embodiment, the bottom die module 20 includes a bottom die 21 and a punching bottom die 22.
[0035] It is embedded in the center of the bottom die 21 and is concentric with the guide hole 41. The bottom die 20 is detachably connected to the die base plate 11, which facilitates the replacement of bottom die 20 with different punching shapes.
[0036] In this embodiment, the punching module includes a connecting seat 31, a needle sleeve 32, and a punch (not shown). The connecting seat 31 is connected to the piston rod end of the stamping cylinder 30. The needle sleeve 32 is vertically mounted on the connecting seat 31, and the punch (not shown) is detachably mounted on the needle sleeve 32. The punching module is detachably connected to the piston rod end of the stamping cylinder 30, facilitating the replacement of punching modules with different punching shapes.
[0037] In this embodiment, the die base plate 11 is provided with a material discharge hole 111 for discharging the waste material after punching, so as to avoid accumulating in the die base 10.
[0038] In this embodiment, the side of the mold frame 10 is provided with an observation window 13 for observing the operation between the punching module and the bottom die module 20, as well as the hole position calibration of the punching guide block 40.
[0039] The punching die for a punching and bending welding machine provided by this utility model, compared with the prior art, adopts a hollow column structure for the die frame 10, and provides a bottom knife module 20 and a stamping cylinder 30 at both ends of the die frame 10. The piston rod end of the stamping cylinder 30 is provided with a punching module opposite to the bottom knife module 20. The wire passage holes 12 are symmetrically arranged on both sides of the die frame 10, and the lower end face of the wire passage hole 12 is flush with the upper end face of the bottom knife module 20. Flat linear metal is used to enter the die frame 10 through the wire passage hole 12, and the flat linear metal is punched through the cooperation of the punching module and the bottom knife module 20. This makes the overall structure simple and compact, with guaranteed strength, without occupying equipment installation space, and saving manufacturing costs.
[0040] Where there is no conflict, the above embodiments and features can be combined with each other.
[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the essence and scope of the technical solutions of this utility model.
Claims
1. A punching die for a punching, bending, and welding machine, characterized in that, include: The mold frame is a hollow column structure; A mold base plate is closedly disposed at the lower end of the mold frame, and a bottom cutter module located inside the mold frame is provided at the upper end of the mold base plate; A stamping cylinder is provided at the upper end of the mold frame. The piston rod end of the stamping cylinder extends into the mold frame and is provided with a punching module that is arranged opposite to the bottom die module. The wire guide holes are symmetrically arranged on both sides of the mold frame, and the lower end face of the wire guide holes is flush with the upper end face of the bottom die assembly.
2. The punching die for a punching, bending, and welding machine according to claim 1, characterized in that, The upper end of the bottom die module is provided with a punching guide block. One end of the punching guide block is inserted and fixed to the wire passage hole. The punching guide block is provided with a guide hole, and the bottom of the punching guide block is provided with a wire passage groove that communicates with the wire passage hole.
3. The punching die for a punching, bending, and welding machine according to claim 2, characterized in that, The bottom die assembly includes a bottom die and a punching bottom die. The punching bottom die is embedded in the center of the bottom die and is concentrically arranged with the guide hole.
4. The punching die for a punching, bending, and welding machine according to claim 2, characterized in that, The punching guide block is formed by joining two identical separate blocks.
5. The punching die for a punching, bending, and welding machine according to claim 1, characterized in that, The punching module includes a connecting seat, a needle clamp, and a punch. The connecting seat is connected to the piston rod end of the stamping cylinder. The needle clamp is vertically arranged on the connecting seat, and the punch is detachably arranged on the needle clamp.
6. The punching die for a punching, bending, and welding machine according to claim 1, characterized in that, The mold base plate is provided with a material dropping hole.
7. The punching die for a punching, bending, and welding machine according to claim 1, characterized in that, The bottom blade module is detachably connected to the base plate of the mold frame.
8. The punching die for a punching, bending, and welding machine according to claim 1, characterized in that, The punching module is detachably connected to the piston rod end of the stamping cylinder.
9. The punching die for a punching, bending, and welding machine according to claim 1, characterized in that, The mold frame has an observation window on its side.