High-precision metal stamping die capable of preventing materials from adhering to inner wall

Abstract

The utility model relates to the technical field of metal stamping dies, in particular to a high-precision metal stamping die capable of preventing materials from adhering to the inner wall, which comprises a lower die holder, an upper die holder, a punch, a first spring and a scraping ring, the upper die holder is arranged above the lower die holder, a female die is fixedly mounted above the lower die holder, a coating layer is arranged on the surface of the inner wall in the female die, and the upper die holder is arranged on the lower die holder. A punch is fixedly installed below the upper die base and corresponds to the female die, a plurality of sets of first springs are fixedly installed above the lower die base and located in the female die, and a scraping ring is fixedly installed above the first springs. The probability of material adhesion can be reduced through the coating layer, the punch is matched with the female die to punch materials, when the punch punches, the first spring contracts and drives the scraping ring to descend, so that the scraping ring does not affect punching work, after the punch leaves the female die, the first spring resets to drive the scraping ring to ascend and reset, and in the process of resetting of the scraping ring, the scraping ring is not damaged. And the inner wall of the female die can be cleaned.

Description

Technical Field

[0001] This utility model relates to the field of metal stamping die technology, and in particular to a high-precision metal stamping die that prevents materials from sticking to the inner wall. Background Technology

[0002] In metal stamping, the material is prone to sticking to the inner wall of the die. This not only affects the surface quality and dimensional accuracy of the product, but may also lead to accelerated die wear, shorten the die life, and increase production costs.

[0003] Currently, a coating layer is usually applied to the inner wall surface of the die, which has excellent self-lubricating properties and chemical stability, and can maintain low adhesion characteristics in the stamping environment. However, some material will still stick to the inner wall of the die, which will affect the quality of the product in the next stamping and lead to accelerated die wear.

[0004] Therefore, the commonly used method of coating the inner wall surface of the die with a coating layer has excellent self-lubricating properties and chemical stability, and can maintain low adhesion characteristics in the stamping environment. However, some material still adheres to the inner wall of the die, which will affect the quality of the product in the next stamping and lead to accelerated die wear. A high-precision metal stamping die that prevents material from sticking to the inner wall can be designed. By setting an additional cleaning structure to clean the wall of the die and remove the material residue sticking to the inner wall of the die, the quality of the finished product can be guaranteed, while reducing die wear. Utility Model Content

[0005] To overcome the current problem of coating the inner wall of the die with a coating layer that has excellent self-lubricating properties and chemical stability and can maintain low adhesion characteristics in the stamping environment, but still has some material adhering to the inner wall of the die, which will affect the quality of the product in the next stamping and lead to accelerated die wear.

[0006] The technical solution of this utility model is as follows: a high-precision metal stamping die for preventing materials from sticking to the inner wall, comprising a base, a lower die holder, an upper die holder, a punch, a cleaning component, and a support component. The lower die holder is fixedly installed above the base, the upper die holder is located above the lower die holder, a die cavity is fixedly installed above the lower die holder, and a coating layer is provided on the inner wall surface of the die cavity. A punch is fixedly installed below the upper die holder, and the punch corresponds to the die cavity. The cleaning component includes a first spring, a first guide rod, and a scraper ring. The first spring is fixedly installed above the lower die holder, and multiple sets of the first spring are provided. The first spring is located inside the die cavity, and a scraper ring is fixedly installed above the first spring. A first guide rod is provided inside the first spring, and the support component is located inside the scraper ring.

[0007] Preferably, the material can be supported by a support component. An external drive device drives the upper die base to descend. A punch and die can be used to stamp the material. When the punch is stamping, the support component is stressed, the first spring contracts, and the scraper ring descends, so that the scraper ring does not affect the stamping operation. After the punch leaves the die, the stamped material is placed above the support component. The first spring returns to its original position, causing the scraper ring and support component to rise, making it easier to remove the stamped workpiece. At the same time as the scraper ring returns to its original position, the inner wall of the die is cleaned. A coating layer can reduce the probability of material adhesion. A first guide rod can guide the first spring.

[0008] Preferably, two sets of guide pillars are fixedly installed on the upper part of the lower mold base, and two sets of guide sleeves are fixedly installed on the lower part of the upper mold base. The guide sleeves are located on the periphery of the guide pillars, and the guide pillars and guide sleeves are slidably connected.

[0009] Preferably, the support assembly includes a connecting block and a support platform, with the connecting block fixedly installed inside the scraper ring and the support platform fixedly installed inside the connecting block.

[0010] Preferably, one side of the scraper ring is tilted, and the upper surface of the support platform is slightly higher than the scraper ring.

[0011] Preferably, multiple sets of connecting blocks are arranged around the circumference of the support platform, and the upper surface of the connecting blocks is an arc-shaped structure.

[0012] Preferably, the cleaning component includes a slag discharge port and a guide frame. The slag discharge port is provided on the surface of the base platform and is connected to the concave mold. The guide frame is fixedly installed below the base platform and is located below the slag discharge port.

[0013] Preferably, four sets of second springs are fixedly installed below the upper mold base, and a pressure plate is fixedly installed below the second springs. A second guide rod is provided inside the second spring.

[0014] The beneficial effects of this utility model are:

[0015] This invention reduces the probability of material adhesion through a coating layer. The punch and die work together to stamp the material. When the punch is stamping, the first spring contracts, causing the scraper ring to descend, so that the scraper ring does not affect the stamping operation. After the punch leaves the die, the first spring returns to its original position, causing the scraper ring to rise and return to its original position. During the scraper ring's return process, it cleans the inner wall of the die. The coating layer and the scraper ring work together to effectively prevent material from sticking to the inner wall of the die, ensuring the quality of the finished product and reducing die wear. Attached Figure Description

[0016] Figure 1 The diagram shown is a three-dimensional structural schematic of the high-precision metal stamping die for preventing material from sticking to the inner wall according to this utility model.

[0017] Figure 2 The diagram shown is a three-dimensional structural schematic of the high-precision metal stamping die cleaning component for preventing material from sticking to the inner wall of this utility model.

[0018] Figure 3 The diagram shown is a three-dimensional cross-sectional view of the high-precision metal stamping die for preventing material from sticking to the inner wall according to this utility model.

[0019] Figure 4 The diagram shows a three-dimensional structure of the lower part of the upper die base of the high-precision metal stamping die for preventing material from sticking to the inner wall.

[0020] Explanation of reference numerals in the attached drawings: 1. Base platform; 2. Lower die base; 201. Die cavity; 202. Coating layer; 203. Guide post; 3. Upper die base; 301. Guide sleeve; 4. Punch; 501. First spring; 502. First guide rod; 503. Scraper ring; 504. Slag discharge port; 505. Guide frame; 601. Connecting block; 602. Support platform; 701. Second spring; 702. Second guide rod; 703. Pressure plate. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] Please see Figures 1-4This utility model provides an embodiment: a high-precision metal stamping die for preventing material from sticking to the inner wall, including a base 1, a lower die base 2, an upper die base 3, a punch 4, a cleaning assembly, and a support assembly. The lower die base 2 is fixedly installed above the base 1, and the upper die base 3 is disposed above the lower die base 2. A die cavity 201 is fixedly installed above the lower die base 2, and a coating layer 202 is provided on the inner wall surface of the die cavity 201. The punch 4 is fixedly installed below the upper die base 3, and the punch 4 corresponds to the die cavity 201. The cleaning assembly includes a first spring 501, a first guide rod 502, and a scraper ring 503. The first spring 501 is fixedly installed above the lower die base 2, and multiple sets of the first spring 501 are provided. The first spring 501 is located inside the die cavity 201, and the scraper ring 503 is fixedly installed above the first spring 501. The part is equipped with a first guide rod 502, and the support component is located inside the scraper ring 503. The support component can support the material. The upper die base 3 is driven to descend by an external drive device. The punch 4 and the die 201 are used to stamp the material. When the punch 4 is stamping, the support component is under force, the first spring 501 contracts, and the scraper ring 503 is driven to descend, so that the scraper ring 503 does not affect the stamping operation. After the punch 4 leaves the die 201, the stamped material is placed above the support component. The first spring 501 returns to its original position and drives the scraper ring 503 and the support component to rise, making it easy to remove the stamped workpiece. At the same time as the scraper ring 503 returns to its original position, it will clean the inner wall of the die 201. The coating layer 202 can reduce the probability of material adhesion. The first guide rod 502 can guide the first spring 501.

[0023] Please see Figures 1-2In this embodiment, two sets of guide pillars 203 are fixedly installed above the lower die base 2, and two sets of guide sleeves 301 are fixedly installed below the upper die base 3. The guide sleeves 301 are located around the guide pillars 203, and the guide pillars 203 and guide sleeves 301 are slidably connected. By setting the cooperation of the guide pillars 203 and guide sleeves 301, the lifting and lowering of the upper die base 3 is guided, ensuring that the punch 4 and the die 201 correspond to each other. The support assembly includes a connecting block 601 and a support platform 602. The connecting block 601 is fixedly installed inside the scraper ring 503, and the support platform 602 is fixedly installed inside the connecting block 601. By setting the connecting block 601, the upper die base 3 is guided to move up and down, ensuring that the punch 4 and the die 201 correspond to each other. 01. Install the support platform 602 to support and place materials. The scraper ring 503 is tilted on one side, and the upper surface of the support platform 602 is slightly higher than the scraper ring 503. By setting the support platform 602 higher, it can prevent the punch 4 from contacting the scraper ring 503 during punching. The tilted setting of one side of the scraper ring 503 can guide the waste residue to fall when cleaning the inner wall of the die 201. Multiple sets of connecting blocks 601 are arranged around the circumference of the support platform 602. The upper surface of the connecting blocks 601 is arc-shaped. The upper surfaces of the connecting blocks 601 are set together to prevent waste residue from accumulating on top of the connecting blocks 601.

[0024] Please see Figures 3-4 In this embodiment, the cleaning component includes a slag discharge port 504 and a guide frame 505. The slag discharge port 504 is provided on the surface of the base 1 and communicates with the die 201. The guide frame 505 is fixedly installed below the base 1 and is located below the slag discharge port 504. The slag discharge port 504 can discharge the cleaned sticky waste residue, and the guide frame 505 can guide the discharged waste residue for easy collection. Four sets of second springs 701 are fixedly installed below the upper die base 3. A pressure plate 703 is fixedly installed below the second springs 701. A second guide rod 702 is provided inside the second springs 701. The pressure plate 703 can be installed by the second springs 701. When the punch 4 presses down, the pressure plate 703 contacts the material first to fix the material. The compression of the second springs 701 does not affect the pressing down of the punch 4. The compression of the second springs 701 can be guided by the second guide rod 702.

[0025] During operation, the material is placed above the support platform 602, and the upper mold base 3 is pressed down using an external drive device.

[0026] The pressure plate 703 first contacts the material, and the second spring 701 compresses it to press and fix the material to prevent it from shifting. The punch 4 and the die 201 work together to punch the material.

[0027] When the punch 4 is stamping, the support assembly is under force, the first spring 501 contracts, and the scraper ring 503 descends, so that the scraper ring 503 does not affect the stamping operation. After the punch 4 leaves the die 201, the stamped material is placed above the support table 602. The first spring 501 returns to its original position, causing the scraper ring 503 and the support table 602 to rise, which facilitates the removal of the finished workpiece. At the same time as the scraper ring 503 returns to its original position, it will clean the inner wall of the die 201 to prevent the material from sticking to the inner wall of the die 201.

[0028] The cleaned material waste is discharged from the die 201 through the slag discharge port 504. The discharged waste is guided by the guide frame 505 to facilitate the collection and treatment of the waste.

[0029] Through the above steps, the coating layer 202 can reduce the probability of material adhesion. The punch 4, in conjunction with the die 201, can perform stamping work on the material. When the punch 4 is stamping, the first spring 501 contracts, causing the scraper ring 503 to descend, so that the scraper ring 503 does not affect the stamping work. After the punch 4 leaves the die 201, the first spring 501 returns to its original position, causing the scraper ring 503 to rise and return to its original position. During the return process of the scraper ring 503, the inner wall of the die 201 is cleaned. The coating layer 202 and the scraper ring 503 work together to effectively prevent material from sticking to the inner wall of the die 201, ensuring the quality of the finished product and reducing mold wear. This solves the problem that currently, a coating layer 202 is usually applied to the inner wall surface of the die 201, which has excellent self-lubricating properties and chemical stability and can maintain low adhesion characteristics in the stamping environment. However, some material still sticks to the inner wall of the die 201, which will affect the quality of the product in the next stamping and lead to accelerated mold wear.

[0030] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A high-precision metal stamping die for preventing material from sticking to the inner wall, comprising a base (1), a lower die holder (2), an upper die holder (3), and a punch (4), characterized in that: It also includes a cleaning component and a support component. The lower mold base (2) is fixedly installed above the base (1). The upper mold base (3) is located above the lower mold base (2). A die (201) is fixedly installed above the lower mold base (2). A coating layer (202) is provided on the inner wall surface of the die (201). A punch (4) is fixedly installed below the upper mold base (3). The punch (4) corresponds to the die (201). The cleaning component includes a first spring (501), a first guide rod (502), and a scraper ring (503). The first spring (501) is fixedly installed above the lower mold base (2). Multiple sets of the first spring (501) are provided. The first spring (501) is located inside the die (201). A scraper ring (503) is fixedly installed above the first spring (501). A first guide rod (502) is provided inside the first spring (501). The support component is located inside the scraper ring (503).

2. The high-precision metal stamping die for preventing material from sticking to the inner wall according to claim 1, characterized in that: Two sets of guide pillars (203) are fixedly installed above the lower mold base (2), and two sets of guide sleeves (301) are fixedly installed below the upper mold base (3). The guide sleeves (301) are located around the guide pillars (203), and the guide pillars (203) and guide sleeves (301) are slidably connected.

3. The high-precision metal stamping die for preventing material from sticking to the inner wall according to claim 1, characterized in that: The support assembly includes a connecting block (601) and a support platform (602). The connecting block (601) is fixedly installed inside the scraper ring (503), and the support platform (602) is fixedly installed inside the connecting block (601).

4. A high-precision metal stamping die for preventing material from sticking to the inner wall according to claim 3, characterized in that: The scraper ring (503) is tilted on one side, and the upper surface of the support platform (602) is slightly higher than the scraper ring (503).

5. A high-precision metal stamping die for preventing material from sticking to the inner wall according to claim 4, characterized in that: Multiple sets of connecting blocks (601) are arranged around the circumference of the support platform (602), and the upper surface of the connecting block (601) is an arc surface structure.

6. A high-precision metal stamping die for preventing material from sticking to the inner wall according to claim 1, characterized in that: The cleaning assembly includes a slag discharge port (504) and a guide frame (505). The slag discharge port (504) is provided on the surface of the base (1). The slag discharge port (504) is connected to the die (201). The guide frame (505) is fixedly installed below the base (1). The guide frame (505) is located below the slag discharge port (504).

7. A high-precision metal stamping die for preventing material from sticking to the inner wall according to claim 1, characterized in that: Four sets of second springs (701) are fixedly installed below the upper mold base (3). A pressure plate (703) is fixedly installed below the second springs (701). A second guide rod (702) is provided inside the second springs (701).

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