A metal product punch die

Abstract

The utility model provides a kind of metal product punch press mould, it is related to mould replacement technical field, including punch press body, the punch press body is provided with base, the base is equipped with mould;Further including quick release mechanism, the quick release mechanism includes plug rod, the plug rod surface is equipped with round hole, the plug rod lower end surface is equipped with multiple connecting blocks, and interval groove is formed between multiple connecting blocks, and the connecting block lower end surface is connected with plug block, and this kind of metal product punch press mould solves the problem that traditional punch press mould replacement is tedious and complex, time-consuming and lengthy, and improves production efficiency and economic benefits.

Description

Technical Field

[0001] This utility model relates to the field of mold replacement technology, and more specifically, it relates to a metal product punching die. Background Technology

[0002] Against the backdrop of the rapid development of the current metal manufacturing industry, punching dies are an indispensable core process equipment in the production of metal products. Their replacement efficiency directly affects the operation of the entire production line and the economic benefits of enterprises. However, traditional punching die systems generally suffer from the problem of cumbersome and time-consuming die replacement processes, which restricts the improvement of production efficiency.

[0003] In current technology, changing punch press dies typically requires machine shutdown. This involves specialized technicians manually disassembling multiple sets of fasteners, precisely adjusting position parameters, reinstalling, and conducting trial punching and debugging. The entire process is not only cumbersome but also demands a high level of technical skill and experience from the operators. This complex changeover process results in significant downtime for each die changeover, sometimes lasting several hours. During this time, the production line is at a standstill, leading to the waste of expensive equipment resources and directly impacting order delivery cycles. In today's rapidly changing market environment, with increasingly smaller and more diversified product batches, the contradiction between frequent die changeover needs and traditional die systems is becoming more prominent, posing a key bottleneck to enterprises' production flexibility and market competitiveness. Utility Model Content

[0004] (a) Technical problems to be solved In view of the problems existing in the prior art, this utility model provides a metal product punching die to solve the technical problems mentioned in the background art.

[0005] (II) Technical Solution To achieve the above objectives, this utility model provides the following technical solution: a metal product punching die, including a punching body, a base provided on the punching body, and a die provided inside the base; it also includes a quick-release mechanism, the quick-release mechanism including a plug rod, a circular hole on the surface of the plug rod, a plurality of connecting blocks on the lower end face of the plug rod, a spacer groove formed between the plurality of connecting blocks, and a plug block connected to the lower end face of the connecting block.

[0006] Preferably, the base surface has two sets of circular grooves, the mold has two sets of slots, the insert rod is adapted to the slots, and the cooperation between the circular grooves and the slots ensures accurate positioning and centering of the mold during the replacement process.

[0007] Preferably, the circular groove is provided with a fixing cylinder, the fixing cylinder is provided with multiple sets of clamping plates, and the surface of the connecting block is provided with multiple sets of clamping slots that are adapted to the clamping plates. The clamping mechanism between the clamping plates and the clamping slots provides a firm and reliable fixing force, ensuring that the mold remains stable under high-frequency stamping conditions and effectively preventing loosening and displacement.

[0008] Preferably, the bottom of the fixed cylinder has an insertion hole that matches the insertion block, and the cooperation between the insertion block and the insertion hole forms vertical positioning and support.

[0009] Preferably, the bottom of the fixed cylinder is provided with multiple sets of push springs, the other end of which is connected to a push sleeve. The push sleeve is slidably connected to the inner side wall of the fixed cylinder, and the other side of the push sleeve abuts against the lower end face of the connecting block. The multiple sets of push springs provide a continuous upward preload, ensuring that the snap-fit ​​structure always remains in a tight state, thereby improving the reliability and service life of the locking system.

[0010] Preferably, a pressure rod is slidably connected inside the circular hole, and multiple sets of sliding plates are provided on the lower surface of the pressure rod. Sliding sleeves are fitted on the outer sides of the multiple sets of sliding plates, and grooves are formed on the outer surface of the sliding sleeves. The grooves are adapted to the clamping plates. The structure of the sliding sleeves and grooves forms accurate control of the clamping plates, so that the operator can control the release of multiple sets of clamping plates at the same time simply by pressing the pressure rod, which simplifies the operation process and reduces the technical requirements.

[0011] Preferably, multiple sets of the sliding plates are embedded in the interval slots and slidably connected to multiple sets of connecting blocks, ensuring stable operation and precise control of the unlocking mechanism. The embedded design of the sliding plates and the interval slots provides motion constraints and precise guidance, preventing jamming and deflection that may occur during the unlocking process.

[0012] (III) Beneficial Effects Compared with the prior art, this utility model provides a metal product punching die, which has the following beneficial effects: This metal product punching die solves the problem of cumbersome and time-consuming replacement of traditional punching dies through a quick-release mechanism, thereby improving production efficiency and economic benefits. The punching die adopts a multi-point snap-fit ​​fixing structure, which realizes the quick assembly and disassembly of the die, reduces production line downtime, and improves equipment utilization.

[0013] The snap-fit ​​mechanism between the card plate and the card slot provides a strong and reliable fixing force, ensuring the stability of the mold under high-frequency stamping conditions and effectively preventing loosening and displacement. The automatic compensation design of the push spring and push sleeve can continuously provide preload force, compensating for minor gaps that may occur during long-term use, extending the service life and maintenance cycle of the mold. The combination of the sliding sleeve and the groove realizes one-click unlocking of the snap-fit ​​structure, eliminating the need for professional tools and cumbersome operations, reducing the difficulty of operation and technical requirements, and enabling ordinary workers to independently complete mold replacement work after simple training. The coordinated work of the overall quick-release mechanism forms an efficient, convenient, and reliable mold replacement system, adapting to the trend of product batch miniaturization and diversification. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of a metal product punching die according to the present invention; Figure 2 This is a schematic diagram of the quick-release mechanism in this utility model; Figure 3 In this utility model Figure 2 A schematic diagram of the cross-sectional structure; Figure 4 This is an exploded structural diagram of the insert rod and the pressure rod in this utility model; Figure 5 This is a cross-sectional view of the fixed cylinder in this utility model; Figure 6 This is a cross-sectional view of the mold and base in this utility model.

[0015] In the diagram: 11. Punch press body; 12. Base; 13. Die; 14. Circular groove; 15. Slot; 21. Insert rod; 22. Circular hole; 23. Connecting block; 24. Spacing groove; 25. Insert block; 26. Fixing cylinder; 27. Clamping plate; 28. Clamping groove; 29. ​​Insertion hole; 210. Push spring; 211. Push sleeve; 212. Pressure rod; 213. Slide plate; 214. Sliding sleeve; 215. Groove. Detailed Implementation

[0016] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0017] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0018] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0019] Please see Figures 1 to 6 A metal product punching die includes a punching body 11, a base 12 on the punching body 11, and a die 13 inside the base 12; it also includes a quick-release mechanism, which includes a rod 21 with a circular hole 22 on its surface, multiple sets of connecting blocks 23 on the lower end face of the rod 21, and a spacer groove 24 formed between the multiple sets of connecting blocks 23. A plug 25 is connected to the lower end face of each connecting block 23. Two sets of circular grooves 14 are formed on the surface of the base 12, and two sets of slots 15 are formed on the die 13. The rod 21 is adapted to the slots 15. A fixing cylinder 26 is provided inside the circular groove 14, and multiple sets of clamping plates 27 are provided inside the fixing cylinder 26. Multiple sets of clamping plates 27 are provided on the surface of the connecting blocks 23. The adapter slot 28 and the bottom of the fixing cylinder 26 are provided with insertion holes 29 that are compatible with the insertion block 25. Multiple sets of push springs 210 are provided at the bottom of the fixing cylinder 26. The other end of the push spring 210 is connected to the push sleeve 211. The push sleeve 211 is slidably connected to the inner side wall of the fixing cylinder 26. The other side of the push sleeve 211 abuts against the lower end face of the connecting block 23. A pressure rod 212 is slidably connected in the round hole 22. Multiple sets of sliding plates 213 are provided on the lower surface of the pressure rod 212. Sliding sleeves 214 are sleeved on the outer side of the multiple sets of sliding plates 213. A groove 215 is provided on the outer surface of the sliding sleeve 214. The groove 215 is compatible with the card plate 27. The multiple sets of sliding plates 213 are embedded in the interval groove 24 and slidably connected to the multiple sets of connecting blocks 23.

[0020] When the punch die 13 needs to be replaced, the operator presses down on the pressure rod 212 with a tool. The pressure rod 212 moves down, causing the sliding sleeve 214 to move down simultaneously. The sliding sleeve 214 moves down and squeezes the multiple sets of clamping plates 27 to expand outward until the clamping plates 27 are inserted into the groove 215 on the outer wall of the sliding sleeve 214. At this time, the clamping plates 27 and the clamping groove 28 are released from their locking and fixing, that is, the multiple sets of connecting blocks 23 and the fixing cylinder 26 are released from their locking and fixing. At this time, the die 13 can be removed. Then, the insert rod 21 in the slot 15 is removed, and the pressure rod 212 is pulled upward to make the clamping plate 27 slide out of the groove 215. The sliding sleeve 214 moves above the clamping plate 27. When a new die 13 needs to be replaced, the new die 13 is placed on the base 12, so that the slot 15 and the circular groove 1 are aligned. 4. Align the pressure rod 212 with the round hole 22 and the spacer groove 24 with the slide plate 213. Then, insert the insertion rod 21 together with the connecting block 23 and the insertion block 25 into the slot 15. During the downward movement of the insertion rod 21, the clamping plate 27 is inserted into the slot 28 opened on the surface of the connecting block 23, so as to realize the clamping and fixing of the connecting block 23 and the fixing cylinder 26. Until the insertion block 25 is inserted into the insertion hole 29, the push spring 210 is compressed. The push spring 210 provides an upward push force to the push sleeve 211, and the push sleeve 211 provides an upward push force to the connecting block 23, so that the clamping plate 27 and the bottom of the inner side wall of the slot 28 are tightly abutted, making the clamping of the connecting block 23 and the fixing cylinder 26 more stable, thereby realizing the position fixing of the new mold 13.

[0021] Of all the solutions mentioned above, those involving the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A metal product punching die, comprising a punching body (11), characterized in that: The punch press body (11) is provided with a base (12), and a mold (13) is provided inside the base (12); it also includes a quick release mechanism, which includes a plug rod (21), a round hole (22) is opened on the surface of the plug rod (21), and multiple sets of connecting blocks (23) are provided on the lower end face of the plug rod (21). A gap groove (24) is formed between the multiple sets of connecting blocks (23), and a plug block (25) is connected to the lower end face of the connecting block (23).

2. The metal product punching die according to claim 1, characterized in that: The base (12) has two sets of circular grooves (14) on its surface, and the mold (13) has two sets of slots (15) on its surface. The insert (21) is adapted to the slots (15).

3. A metal product punching die according to claim 2, characterized in that: The circular groove (14) is provided with a fixed cylinder (26), the fixed cylinder (26) is provided with multiple sets of clamping plates (27), and the surface of the connecting block (23) is provided with multiple sets of clamping slots (28) that are adapted to the clamping plates (27).

4. A metal product punching die according to claim 3, characterized in that: The bottom of the fixed cylinder (26) is provided with a socket (29) that is compatible with the plug (25).

5. A metal product punching die according to claim 4, characterized in that: The bottom of the fixed cylinder (26) is provided with multiple sets of push springs (210). The other end of the push spring (210) is connected to a push sleeve (211). The push sleeve (211) is slidably connected to the inner side wall of the fixed cylinder (26). The other side of the push sleeve (211) abuts against the lower end face of the connecting block (23).

6. A metal product punching die according to claim 5, characterized in that: A pressure rod (212) is slidably connected inside the circular hole (22). Multiple sets of sliding plates (213) are provided on the lower surface of the pressure rod (212). Sliding sleeves (214) are sleeved on the outer side of the multiple sets of sliding plates (213). A groove (215) is opened on the outer surface of the sliding sleeve (214). The groove (215) is adapted to the card plate (27).

7. A metal product punching die according to claim 6, characterized in that: multiple sets The slide plate (213) is embedded in the spacer groove (24) and slidably connected to multiple sets of connecting blocks (23).

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