COC positioning elastic sheet stamping die and hardware production equipment

By designing COC positioning shrapnel stamping molds, the combination of upper mold seat, lower mold seat and positioning structure is adopted to achieve accurate positioning and high-precision molding of COC positioning shrapnel, solving the problem of low accuracy caused by cumulative errors of traditional molds, and improving production efficiency and mold life.

CN223185334UActive Publication Date: 2025-08-05DONGGUAN HEJU PRECISION ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202421888545.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-05
Publication Date
2025-08-05
Estimated Expiration
2034-08-05

AI Technical Summary

Technical Problem

Traditional stamping molds use multi-station method when forming COC positioning shrapnel, resulting in superposition of cumulative errors and low product accuracy.

Method used

A COC positioning shrapnel stamping mold is designed, including an upper die seat, a lower die seat and a positioning structure. By providing multiple pronunciation stamping parts on the upper die seat, the lower die seat forms a plurality of pronunciation fitting parts, and using positioning blocks and positioning grooves to achieve accurate positioning of the blank, ensuring that each pronunciation stamping part and the pronunciation fitting part are accurately corresponded.

Benefits of technology

It realizes the precise positioning of COC positioning shrapnel, eliminates cumulative errors, improves the stamping quality and accuracy of the product, is suitable for automated production, extends the mold life and reduces the overall cost.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a COC locating elastic piece stamping die and hardware production equipment, and relates to the technical field of stamping dies, the COC locating elastic piece stamping die comprises an upper die base, a lower die base and a locating structure, the upper die base is provided with a plurality of profiling stamping parts, the lower die base is provided with a plurality of profiling matching parts, and the profiling matching parts are matched with the upper die base. Each profiling matching part corresponds to one profiling stamping part, the positioning structure comprises two positioning blocks, the two positioning blocks are arranged on the side, facing the lower die base, of the upper die base in a spaced mode, and two positioning grooves are oppositely formed in the lower die base; according to the technical scheme, the blank is placed on the plane, facing the upper die base, of the lower die base, the two positioning blocks can abut against the blank to complete positioning, the upper die base is provided with the multiple profiling stamping parts, the lower die base forms the profiling matching parts with the corresponding number, accurate positioning of the blank can be guaranteed, accumulated errors are eliminated, and the production efficiency is improved. And therefore, the punch forming quality of products is ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of stamping dies, in particular to a COC positioning spring stamping die and hardware production equipment. Background Art

[0002] Metal stamping dies are common tools in the metalworking industry. They are designed to form, cut, or stretch sheet metal under the intense pressure of a press. These dies are typically made of materials with high hardness and wear resistance, such as high-speed steel or carbide, to ensure shape and dimensional stability during repeated use. Metal stamping dies are used in a wide range of applications, including the manufacture of automotive parts, electronic device housings, and furniture hardware. With the advancement of industrial automation, the design and manufacture of stamping dies are becoming more sophisticated and complex to meet the demands of high-efficiency production and product diversification. Furthermore, die design must also take into account safety and ease of operation to protect operators and improve production efficiency.

[0003] The COC positioning spring is a precision component commonly found in electronic devices, primarily used to ensure accurate positioning of electronic components during assembly. This type of spring is generally made of a material with good electrical conductivity, such as copper or copper alloy, and has high elasticity and excellent conductivity. COC stands for "Cage Open Center," which means that the center of the spring is open, allowing for easy insertion or fixing of electronic components. This design not only helps simplify the assembly process but also provides a good electrical connection. In circuit board assembly, sockets, or connectors, COC positioning springs play a key role, ensuring that the electrical connection between components is both stable and reliable. In addition, they also help improve the signal transmission quality and overall performance of the device.

[0004] In the related art, COC positioning springs are produced by stamping dies. Specifically, the blank is placed on the upper die base and the lower die base, and the upper die base and the lower die base are closed to process the COC positioning springs through the clamping force. However, traditional stamping dies generally use a multi-station method when forming COC positioning springs. However, the cumulative errors of multi-station forming are superimposed, and the errors between the springs will increase, resulting in low product precision. Utility Model Content

[0005] The main purpose of the utility model is to provide a COC positioning spring sheet stamping die and hardware production equipment, aiming to provide a stamping die that can complete the forming of the COC positioning spring sheet in one step.

[0006] To achieve the above-mentioned purpose, the COC positioning spring sheet stamping die proposed in the present invention is applied to the COC positioning spring sheet forming, and comprises:

[0007] An upper die base, wherein the upper die base is provided with a plurality of contour stamping parts;

[0008] A lower die base, wherein the lower die base is formed with a plurality of contour matching portions, each contour matching portion being arranged corresponding to one contour stamping portion; and

[0009] The positioning structure includes two positioning blocks, and the two positioning blocks are spaced apart and arranged on one side of the upper die base facing the lower die base, and the lower die base is provided with two positioning grooves opposite to each other.

[0010] In one embodiment, abutment platform is provided on the side of the upper die facing the lower die, the contour stamping portion is provided on the abutment platform and along the two edges of the abutment platform, and the two positioning blocks are provided on both sides of the abutment platform and abut against the side walls of the abutment platform.

[0011] In one embodiment, the upper die base is provided with a guide column facing the lower die base, and the lower die base is provided with a guide hole opposite thereto, and the guide column is movably inserted into the guide hole.

[0012] In one embodiment, the upper die base is provided with a plurality of first mounting grooves, and each of the contoured stamping portions is detachably provided in one of the first mounting grooves; and / or

[0013] The lower die base is provided with a plurality of second mounting grooves, and each of the contoured fitting portions is detachably arranged in a second mounting groove.

[0014] In one embodiment, an installation step is formed on the inner side wall of the first installation groove, and a hanging platform is provided at one end of the contour punching portion away from the lower die base, and the hanging platform abuts against the installation step.

[0015] In one embodiment, the contoured punching portion is formed with an arcuate convex surface toward the lower die base, and the contoured matching portion is formed with an arcuate concave surface toward the upper die base, and the arcuate convex surface is in abutment with the arcuate concave surface.

[0016] In one embodiment, a side of the lower die base facing the upper die base is provided with a plurality of cone structures, and the lower die base is provided with a plurality of circular holes, each of the circular holes being arranged opposite to one of the cone structures.

[0017] In one embodiment, a first strip groove is provided on a side of the upper die base facing away from the lower die base, and at least a portion of the structure of the contoured stamping portion is located in the first strip groove; and / or

[0018] A second strip groove is provided on a side of the lower die base facing away from the upper die base, and at least a portion of the structure of the contoured fitting portion is located in the second strip groove.

[0019] In one embodiment, the two positioning block portions are partially structured in the first strip groove.

[0020] The utility model also provides a hardware production equipment, including a COC positioning spring piece stamping die, the COC positioning spring piece stamping die comprising:

[0021] An upper die base, wherein the upper die base is provided with a plurality of contour stamping parts;

[0022] A lower die base, wherein the lower die base is formed with a plurality of contour matching portions, each contour matching portion being arranged corresponding to one contour stamping portion; and

[0023] The positioning structure includes two positioning blocks, and the two positioning blocks are spaced apart and arranged on one side of the upper die base facing the lower die base, and the lower die base is provided with two positioning grooves opposite to each other.

[0024] The technical solution of the present utility model proposes a COC positioning spring stamping die and hardware production equipment, wherein the COC positioning spring stamping die includes an upper die base, a lower die base and a positioning structure, the upper die base is provided with a plurality of contoured stamping parts, the lower die base is formed with a plurality of contoured matching parts, each contoured matching part corresponds to a contoured stamping part, the positioning structure includes two positioning blocks, the two positioning blocks are spaced apart and arranged on the side of the upper die base facing the lower die base, and the lower die base is provided with two positioning grooves opposite to each other. In actual production, the blank is placed on the plane of the lower die base facing the upper die base, and during the downward movement of the upper die base, the two positioning blocks will press against the blank to complete the positioning, the upper die base is equipped with a plurality of contoured stamping parts, and the lower die base forms a corresponding number of contoured matching parts, ensuring that each contoured stamping part corresponds precisely to the contoured matching part to form a COC positioning spring. This solution can ensure the precise positioning of the blank, eliminate cumulative errors, and thus ensure the stamping quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0026] Figure 1 A schematic structural diagram of an embodiment of a COC positioning spring punching die provided by the present invention;

[0027] Figure 2 This is a schematic diagram of the structure of the upper die seat in the COC positioning spring stamping die;

[0028] Figure 3 A schematic diagram of the structure of the contoured stamping part and the contoured matching part in the COC positioning spring sheet stamping die;

[0029] Figure 4 for Figure 1 Schematic diagram of the structure of the positioning block.

[0030] Description of Figure Numbers:

[0031] 1000. COC positioning spring stamping die; 1. Upper die base; 11. Abutment platform; 12. Contour stamping portion; 121. Hanging platform; 122. Arc-shaped convex surface; 13. Guide column; 14. First mounting slot; 15. First strip groove; 16. Guide hole; 2. Lower die base; 21. Positioning slot; 22. Contour matching portion; 221. Arc-shaped concave surface; 23. Conical structure; 24. Second mounting slot; 3. Positioning structure; 31. Positioning block.

[0032] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0034] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0035] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of such features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme in which A and B are satisfied at the same time. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0036] Metal stamping dies are common tools in the metalworking industry. They are designed to form, cut, or stretch sheet metal under the intense pressure of a press. These dies are typically made of materials with high hardness and wear resistance, such as high-speed steel or carbide, to ensure shape and dimensional stability during repeated use. Metal stamping dies are used in a wide range of applications, including the manufacture of automotive parts, electronic device housings, and furniture hardware. With the advancement of industrial automation, the design and manufacture of stamping dies are becoming more sophisticated and complex to meet the demands of high-efficiency production and product diversification. Furthermore, die design must also take into account safety and ease of operation to protect operators and improve production efficiency.

[0037] The COC positioning spring is a precision component commonly found in electronic devices, primarily used to ensure accurate positioning of electronic components during assembly. This type of spring is generally made of a material with good electrical conductivity, such as copper or copper alloy, and has high elasticity and excellent conductivity. COC stands for "Cage Open Center," which means that the center of the spring is open, allowing for easy insertion or fixing of electronic components. This design not only helps simplify the assembly process but also provides a good electrical connection. In circuit board assembly, sockets, or connectors, COC positioning springs play a key role, ensuring that the electrical connection between components is both stable and reliable. In addition, they also help improve the signal transmission quality and overall performance of the device.

[0038] In the related art, COC positioning springs are produced by stamping dies. Specifically, the blank is placed on the upper die base and the lower die base, and the upper die base and the lower die base are closed to process the COC positioning springs through the clamping force. However, traditional stamping dies generally use a multi-station method when forming COC positioning springs. However, the cumulative errors of multi-station forming are superimposed, and the errors between the springs will increase, resulting in low product precision.

[0039] In order to solve the above problems, the utility model proposes a COC positioning spring sheet stamping die, which aims to provide a stamping die that can complete the forming of the COC positioning spring sheet in one step. Figures 1 to 4 This is a structural schematic diagram of an embodiment of the COC positioning spring punching die provided by the present utility model.

[0040] Please refer to Figures 1 to 4 The utility model proposes a COC positioning spring sheet stamping die, including an upper die base 1, a lower die base 2 and a positioning structure 3. The upper die base 1 is provided with a plurality of contoured stamping parts 12, and the lower die base 2 is formed with a plurality of contoured matching parts 22. Each contoured matching part 22 is provided corresponding to a contoured stamping part 12. The positioning structure 3 includes two positioning blocks 31. The two positioning blocks 31 are spaced apart and arranged on one side of the upper die base 1 facing the lower die base 2. The lower die base 2 is provided with two positioning grooves 21 opposite to each other.

[0041] The technical solution of the present utility model proposes a COC positioning spring sheet stamping die and hardware production equipment, wherein the COC positioning spring sheet stamping die includes an upper die base 1, a lower die base 2 and a positioning structure 3, the upper die base 1 is provided with a plurality of contoured stamping parts 12, the lower die base 2 is formed with a plurality of contoured matching parts 22, each contoured matching part 22 is arranged corresponding to a contoured stamping part 12, the positioning structure 3 includes two positioning blocks 31, the two positioning blocks 31 are spaced apart and arranged on one side of the upper die base 1 facing the lower die base 2, and the lower die base 2 is provided with two positioning grooves 21 opposite to each other. In actual production, the blank is placed on the plane of the lower die base 2 facing the upper die base 1. During the downward movement of the upper die base 1, the two positioning blocks 31 will press against the blank to complete the positioning. The upper die base 1 is equipped with multiple contoured stamping parts 12, and the lower die base 2 forms a corresponding number of contoured matching parts 22, ensuring that each contoured stamping part 12 precisely corresponds to the contoured matching part 22 to form a COC positioning spring. This solution can ensure the precise positioning of the blank, eliminate cumulative errors, and thus ensure the stamping quality of the product.

[0042] In the technical solution of the present invention, an abutment platform 11 is provided on the side of the upper die facing the lower die, and a contour stamping portion 12 is provided on the abutment platform 11 and along the two edges of the abutment platform 11. By providing the protruding abutment platform 11, the main body dimensions of the positioning spring can be formed, and the position of the positioning spring outer frame can be positioned by cooperating with the two positioning blocks 31. In addition, by providing the abutment platform 11, the positioning blocks 31 and the contour stamping portion 12 can also be easily installed and removed. For details, please refer to Figure 2 The two positioning blocks 31 are respectively provided on both sides of the abutting platform 11 and abut against the side walls of the abutting platform 11 .

[0043] In order to guide the upper die base 1, the upper die base 1 is provided with a guide column 13 facing the lower die base 2. For details, please refer to Figure 1 and Figure 2 The lower die base 2 is relatively provided with a guide hole 16, and the guide column 13 is movably inserted in the guide hole 16. This configuration ensures precise alignment when the mold is closed, improves stamping accuracy and repeatability, reduces mold wear, extends mold life, and helps to realize automated production and improve overall manufacturing efficiency.

[0044] It should be noted that the profiling stamping portion 12 and the profiling matching portion 22 can be integrally formed with the upper die base 1 and the lower die base 2, respectively, or can be detachably arranged therein. The present invention does not limit this. In one embodiment of the present invention, since the profiling stamping portion 12 and the profiling matching portion 22 are wearing parts and need to be frequently maintained and replaced, the upper die base 1 is provided with a plurality of first mounting grooves 14, and the profiling stamping portion 12 is detachably arranged in the first mounting groove 14; correspondingly, the lower die base 2 is provided with a plurality of second mounting grooves 24, and each profiling matching portion 22 is detachably arranged in the second mounting groove 2 4. The use of detachable contoured stamping portion 12 and contoured mating portion 22, that is, the design of inserts, can realize the rapid replacement and maintenance of the mold, thereby improving production efficiency. Secondly, the use of inserts helps to improve the precision and complexity of the molded parts, especially when manufacturing products with complex geometric shapes. At the same time, the inserts can also disperse the pressure on the mold and extend the service life of the mold. Finally, the independent manufacture and replacement of inserts can reduce the cost of the entire mold, especially when the mold needs to be repaired or upgraded, without replacing the entire mold, only replacing damaged or outdated inserts.

[0045] In order to prevent the profiling stamping part 12, the profiling matching part 22 and the positioning block 31 from slipping off the upper die base 1 and the lower die base 2, an installation step is formed on the inner side wall of the first installation groove 14, and a hanging platform 121 is provided at the end of the profiling stamping part 12 away from the lower die base 2. The hanging platform 121 abuts against the installation step, thereby ensuring that the profiling stamping part 12, the profiling matching part 22 and the positioning block 31 have a force point for installation.

[0046] In one embodiment of the present invention, the contoured stamping portion 12 is formed with an arcuate convex surface 122 facing the lower die base 2, and the contoured mating portion 22 is formed with an arcuate concave surface 221 facing the upper die base 1. The arcuate convex surface 122 abuts and mates with the arcuate concave surface 221. Furthermore, the lower die base 2 is provided with a plurality of cone structures 23 on the side facing the upper die base 1. The lower die base 2 is provided with a plurality of circular holes, each of which is arranged opposite a cone structure 23. The cone structures 23 are used to stamp the sheet material, thereby forming corresponding holes in the sheet material. To facilitate the removal of the contour stamping portion 12 and the contour matching portion 22, a first strip groove 15 is provided on the side of the upper die base 1 facing away from the lower die base 2, and at least part of the structure of the contour stamping portion 12 is located in the first strip groove 15. A second strip groove is provided on the side of the lower die base 2 facing away from the upper die base 1, and at least part of the structure of the contour matching portion 22 is located in the second strip groove. Through the strip groove, the staff can easily remove the contour stamping portion 12 and the contour matching portion 22.

[0047] The present utility model also proposes a hardware production equipment, which includes a COC positioning spring sheet stamping die. The specific structure of the COC positioning spring sheet stamping die refers to the above embodiment. Since the hardware production equipment adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought by the technical solutions of the above embodiments, which will not be repeated here.

[0048] The above description is merely an exemplary embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made using the contents of the present invention specification and drawings under the technical concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A COC positioning spring stamping die, used for COC positioning spring forming, characterized in that: include: An upper die base, wherein the upper die base is provided with a plurality of contour stamping parts; A lower die base, wherein the lower die base is formed with a plurality of contour matching portions, each contour matching portion being arranged corresponding to one contour stamping portion; and The positioning structure includes two positioning blocks, and the two positioning blocks are spaced apart and arranged on one side of the upper die base facing the lower die base, and the lower die base is provided with two positioning grooves opposite to each other.

2. The COC positioning spring stamping die according to claim 1, characterized in that: An abutment platform is provided on one side of the upper die base facing the lower die base, the contour stamping portion is provided on the abutment platform and along the two edges of the abutment platform, and the two positioning blocks are provided on both sides of the abutment platform and abut against the side walls of the abutment platform.

3. The COC positioning spring stamping die according to claim 2, characterized in that: The upper die base is provided with a guide column facing the lower die base, and the lower die base is provided with a guide hole opposite thereto, and the guide column is movably inserted into the guide hole.

4. The COC positioning spring stamping die according to any one of claims 1 to 3, characterized in that: The upper die base is provided with a plurality of first mounting slots, and each of the contour stamping portions is detachably mounted in one of the first mounting slots; and / or The lower die base is provided with a plurality of second mounting grooves, and each of the contoured fitting portions is detachably arranged in a second mounting groove.

5. The COC positioning spring stamping die according to claim 4, characterized in that: An installation step is formed on the inner side wall of the first installation groove, and a hanging platform is provided at one end of the contour punching portion away from the lower die base, and the hanging platform abuts against the installation step.

6. The COC positioning spring stamping die according to claim 4, characterized in that: The contoured punching portion is formed with an arcuate convex surface toward the lower die base, and the contoured matching portion is formed with an arcuate concave surface toward the upper die base, and the arcuate convex surface is in abutment with the arcuate concave surface.

7. The COC positioning spring punching die according to any one of claims 1 to 3, characterized in that: A plurality of cone structures are provided on a side of the lower die base facing the upper die base, and a plurality of circular holes are provided on the lower die base, and each circular hole is arranged opposite to one of the cone structures.

8. The COC positioning spring punching die according to any one of claims 1 to 3, characterized in that: A first strip groove is provided on a side of the upper die base facing away from the lower die base, and at least a portion of the structure of the contour punching portion is located in the first strip groove; and / or A second strip groove is provided on a side of the lower die base facing away from the upper die base, and at least a portion of the structure of the contoured fitting portion is located in the second strip groove.

9. The COC positioning spring stamping die according to claim 8, characterized in that: The two positioning block parts are partially arranged in the first strip groove.

10. A hardware production equipment, characterized in that, It comprises the COC positioning spring stamping die according to any one of claims 1 to 9.