Stamping die and stamping machine

By setting a sliding demolding seat and a guide structure on the stamping die, the problem of the product being difficult to completely detach from the lower die is solved, achieving complete demolding, reducing labor intensity and improving production efficiency.

CN223932369UActive Publication Date: 2026-02-24WEIFANG PARKER HANNIFIN FILTRATION PROD & SYST CO LTD
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Patent Information

Application Number
CN202520622155.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-02-24
Estimated Expiration
2035-04-03

AI Technical Summary

Technical Problem

Existing stamping dies make it difficult for products to completely detach from the lower die after forming, resulting in high labor intensity and low production efficiency.

Method used

A demolding seat is slidably set on the upper mold base. The lower mold pushes the demolding seat to slide upward and cooperates with the upper mold for stamping. When demolding, the lower mold moves downward and uses the product's own gravity to slide down to achieve complete demolding. The guide structure and position adjustment device ensure smooth sliding.

Benefits of technology

This allows for complete demolding of the product, reduces labor intensity, and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a stamping die and a stamping machine, and relates to the technical field of stamping processing, the stamping die comprises an upper die holder and a lower die holder, the upper die holder is provided with an upper die, the lower die holder is provided with a lower die, the upper die holder is provided with a demoulding seat in a sliding manner, and the demoulding seat is provided with a lower die. The demolding seat is positioned between the upper mold and the lower mold; a product positioning structure for positioning a product is arranged on the demolding seat; the lower mold is used for pushing the demolding seat to slide upwards, and the lower mold is used for penetrating through the demolding seat to be matched with the upper mold to punch the positioned product on the demolding seat; and the demolding seat is used for assisting the product to be completely separated from the upper mold and the lower mold after the product is subjected to punch forming. According to the stamping die and the stamping machine, the problem that a stamped and formed product cannot be completely separated from the lower die is solved, complete demolding of the product is achieved, labor intensity is reduced, and production efficiency is improved.
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Description

Technical Field

[0001] This utility model relates to the field of stamping technology, specifically to a stamping die and a stamping machine. Background Technology

[0002] Stamping plays an important role in the processing industry. Its product forming is mainly achieved through stamping dies. The stamping process has a series of advantages, such as high precision, high efficiency, good quality, cost saving, and saving of materials and energy.

[0003] Existing stamping dies such as Figure 4 As shown, the assembly includes an upper mold base 1, an upper mold 2, a lower mold base 3, a lower mold 4, an ejector rod 11, a sliding connecting rod 12, and an annular support plate 13. The upper mold 2 is fixedly mounted on the upper mold base 1, and the lower mold 4 is fixedly mounted on the lower mold base 3. A mold closing guide structure 14 is provided between the upper mold base 1 and the lower mold base 3. The ejector rod 11 is coaxially mounted with the lower mold 4 and is slidably mounted inside the lower mold 4. A sliding hole is provided on the side of the lower mold 4, penetrating the lower mold 4. The sliding connecting rod 12 is vertically mounted at the end of the ejector rod 11, and both ends of the sliding connecting rod 12 extend out of the sliding hole. The support plate 13 is sleeved on the outside of the lower mold 4 and fixedly connected to the sliding connecting rod 12. Thus, the structure of the lower mold 4 extending out of the support plate 13 and the support plate 13 constitute a product positioning structure for positioning the product 15.

[0004] Although the stamping die with the above structure can stamp the product 15, due to its structure, the stamping die has the problem that the stamped product 15 cannot be completely removed from the lower die 4 when demolding. The stamped product 15 still needs to be manually removed from the lower die 4, which is not only labor-intensive but also has low production efficiency. Utility Model Content

[0005] In view of the above-mentioned defects in the existing technology, the present invention aims to provide a stamping die and a stamping machine. The stamping die and the stamping machine solve the problem that the stamped product cannot be completely detached from the lower die, realize the complete demolding of the product, reduce labor intensity and improve production efficiency.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0007] A stamping die includes an upper die base and a lower die base. An upper die is disposed on the upper die base, and a lower die is disposed on the lower die base. A demolding seat is slidably disposed on the upper die base, and the demolding seat is located between the upper die and the lower die, and the demolding seat is provided with a product positioning structure for positioning the product. The lower die is used to push the demolding seat to slide upward, and the lower die is used to pass through the demolding seat and cooperate with the upper die to stamp the product positioned on the demolding seat. The demolding seat is used to assist the product to completely detach from the upper die and the lower die after the product is stamped.

[0008] The upper mold base has fixed frames on its opposite sides, the upper mold is located inside the two fixed frames, and the two ends of the demolding base are respectively set on the corresponding fixed frames through sliding guide structures.

[0009] The sliding guide structure includes a guide hole disposed on the fixed frame and a guide block disposed on the demolding base, wherein the guide block is slidably disposed within the guide hole.

[0010] The guide block is mounted on the demolding base via a position adjustment structure.

[0011] The position adjustment structure includes a stud disposed on the demolding base and two locking nuts threadedly connected to the stud. The guide block is sleeved on the stud and fastened to the stud by the two locking nuts.

[0012] The stud is threaded to the demolding seat and tightened by a backing nut.

[0013] The product positioning structure is a stepped hole provided on the demolding base. The large hole section of the stepped hole is used to radially limit the product, the step of the stepped hole is used to axially limit the product, and the small hole section of the stepped hole is used to allow the lower mold to pass through the demolding base and extend into the product.

[0014] The demolding base includes a positioning plate and a support plate. The positioning plate is connected to the upper mold base, and the support plate is stacked below the positioning plate. The positioning plate is provided with a first through hole, and the support plate is provided with a second through hole. The first through hole is the large hole segment of the stepped hole, the upper end face of the support plate is the step of the stepped hole, and the second through hole is the small hole segment of the stepped hole.

[0015] A stamping machine includes the stamping die described in the above technical solution.

[0016] By adopting the above technical solution, the beneficial effects of this utility model are:

[0017] The stamping die provided by this utility model has a demolding seat slidably mounted on the upper die base. When the die is closed, the lower die pushes the demolding seat upward and slides through the demolding seat to cooperate with the upper die to stamp the product positioned on the demolding seat. When demolding, the drive table of the stamping machine drives the lower die downward, and the demolding seat and the stamped product slide downward under their own gravity, realizing the demolding of the product from the upper die. The drive table of the stamping machine continues to drive the lower die downward, realizing the complete separation of the lower die from the demolding seat, thereby achieving the purpose of the product completely separating from the lower die. Therefore, compared with the prior art, the stamping die provided by this utility model solves the problem that the stamped product cannot completely separate from the lower die, realizes the complete demolding of the product, reduces labor intensity, and improves production efficiency.

[0018] The stamping machine provided by this utility model includes the stamping die in the above technical solution, thus solving the problem that the stamped product cannot be completely separated from the lower die, realizing the complete demolding of the product, reducing labor intensity and improving production efficiency. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the mold closing state of the stamping die of this utility model;

[0020] Figure 2 This is a schematic diagram of the stamping die of this utility model in its fully demolded state;

[0021] Figure 3 This is a schematic diagram of the incomplete demolding state of the stamping die of this utility model;

[0022] Figure 4 This is a schematic diagram of the structure of a stamping die in the prior art;

[0023] In the diagram: 1. Upper mold base; 2. Upper mold; 3. Lower mold base; 4. Lower mold; 5. Ejector base; 51. Positioning plate; 511. First through hole; 52. Support plate; 521. Second through hole; 6. Fixing bracket; 61. Guide hole; 7. Guide block; 8. Stud; 9. Locking nut; 10. Back tightening nut; 11. Ejector rod; 12. Sliding connecting rod; 13. Part support plate; 14. Mold closing guide structure; 15. Product. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely for explaining this utility model and are not intended to limit this utility model.

[0025] like Figures 1 to 3As shown, this embodiment discloses a stamping die, including an upper die base 1 and a lower die base 3. An upper die 2 is provided on the upper die base 1, and a lower die 4 is provided on the lower die base 3. A demolding seat 5 is slidably provided on the upper die base 1. The demolding seat 5 is located between the upper die 2 and the lower die 4, and a product positioning structure for positioning the product 15 is provided on the demolding seat 5. The lower die 4 is used to push the demolding seat 5 to slide upward, and the lower die 4 is used to pass through the demolding seat 5 and cooperate with the upper die 2 to stamp the product 15 on the demolding seat 5. The demolding seat 5 is used to assist the product 15 to completely detach from the upper die 2 and the lower die 4 after the product 15 is stamped.

[0026] In this embodiment, the stamping die has a release seat 5 slidably mounted on the upper die base 1. When the die is closed, the lower die 4 pushes the release seat 5 upward and slides through the release seat 5 to cooperate with the upper die 2 to stamp the product 15 positioned on the release seat 5. When demolding, the drive table of the stamping machine drives the lower die 4 downward. The release seat 5 and the stamped product 15 slide downward under their own gravity, realizing the demolding of the product 15 from the upper die 2. The drive table of the stamping machine continues to drive the lower die 4 downward, realizing the complete separation of the lower die 4 from the release seat 5, thereby achieving the purpose of the product 15 completely separating from the lower die 4. Therefore, the stamping die in this embodiment solves the problem that the stamped product 15 cannot completely separate from the lower die 4, realizes the complete demolding of the product 15, reduces labor intensity, and improves production efficiency.

[0027] In this embodiment, fixed frames 6 are respectively provided on opposite sides of the upper mold base 1, and the upper mold 2 is located inside the two fixed frames 6. The opposite ends of the demolding base 5 are respectively set on the corresponding fixed frames 6 through sliding guide structures. This arrangement ensures the linearity of the sliding of the demolding base 5 and improves the demolding effect and demolding efficiency of the product 15.

[0028] The sliding guide structure in this embodiment includes a guide hole 61 disposed on the fixed frame 6 and a guide block 7 disposed on the demolding base 5. The guide block 7 is slidably disposed within the guide hole 61. In practical applications, the sliding guide structure can also be a linear slide rail, depending on the actual needs. This embodiment does not impose any restrictions on this.

[0029] In this embodiment, the guide block 7 is mounted on the demolding base 5 via a position adjustment structure. This arrangement facilitates the adjustment of the position of the guide block 7 on the demolding base 5, thereby achieving complete or partial demolding of the product 15 and meeting the demolding requirements of different products 15.

[0030] Specifically, the position adjustment structure includes a stud 8 mounted on the demolding base 5 and two locking nuts 9 threaded onto the stud 8. The guide block 7 is fitted onto the stud 8 and secured to it by the two locking nuts 9. Of course, the guide block 7 can also be directly threaded onto the stud 8 without using locking nuts 9; the choice depends on the actual needs, and this embodiment does not impose any restrictions on this.

[0031] In this embodiment, the stud 8 is threadedly connected to the demolding base 5 and tightened by the backing nut 10. Of course, the stud 8 can also be welded to the demolding base 5, depending on the actual needs. This embodiment does not limit this.

[0032] In this embodiment, the product positioning structure is a stepped hole provided on the demolding base 5. The larger section of the stepped hole is used to radially limit the product 15, the step of the stepped hole is used to axially limit the product 15, and the smaller section of the stepped hole is used to allow the lower mold 4 to pass through the demolding base 5 and extend into the product 15. In practical applications, the product positioning structure can be set according to the specific structure of the product 15, and this embodiment does not limit it.

[0033] Specifically, the demolding base 5 includes a positioning plate 51 and a support plate 52. The positioning plate 51 is connected to the upper mold base 1, and the support plate 52 is stacked below the positioning plate 51. The positioning plate 51 is provided with a first through hole 511, and the support plate 52 is provided with a second through hole 521. The first through hole 511 is the large hole section of the stepped hole, the upper end face of the support plate 52 is the step of the stepped hole, and the second through hole 521 is the small hole section of the stepped hole.

[0034] This embodiment also discloses a stamping machine, including the stamping die described above. The lower die holder 3 of the stamping die is disposed on the drive platform of the stamping machine, and the upper die holder 1 of the stamping die is disposed on the machine body of the stamping machine. The drive platform of the stamping machine is used to drive the lower die 4 to move upward to close with the upper die 2, or to drive the lower die 4 to move downward to separate from the upper die 2.

[0035] When the mold is closed, the press's drive platform drives the lower mold 4 to move upward. The lower mold 4 pushes the ejector seat 5 to slide upward, and the lower mold 4 passes through the ejector seat 5 and cooperates with the upper mold 2 to stamp the product 15 on the ejector seat 5. When the mold is demolded, the press's drive platform drives the lower mold 4 to move downward. The ejector seat 5 and the stamped product 15 slide downward under their own gravity, realizing the demolding of the product 15 from the upper mold 2. The press's drive platform drives the lower mold 4 to continue to move downward, realizing the complete separation of the lower mold 4 from the ejector seat 5, thereby achieving the purpose of the product 15 completely separating from the lower mold 4.

[0036] The preferred embodiments of the stamping die and stamping machine of this utility model have been described in detail above. Many other embodiments are also described but will not be elaborated upon here. In summary, the stamping die and stamping machine of this utility model solve the problem that the stamped product 15 cannot be completely detached from the lower die 4, achieving complete demolding of the product 15, reducing labor intensity, and improving production efficiency.

[0037] This utility model is not limited to the specific embodiments described above. Any modifications made by those skilled in the art based on the above concept without creative effort shall fall within the protection scope of this utility model.

Claims

1. A stamping die, comprising an upper die base and a lower die base, wherein an upper die is disposed on the upper die base and a lower die is disposed on the lower die base, characterized in that, A demolding seat is slidably disposed on the upper mold base. The demolding seat is located between the upper mold and the lower mold, and the demolding seat is provided with a product positioning structure for positioning the product. The lower mold is used to push the demolding seat to slide upward, and the lower mold is used to pass through the demolding seat and cooperate with the upper mold to stamp the product positioned on the demolding seat. The demolding seat is used to assist the product to completely detach from the upper mold and the lower mold after the product is stamped.

2. The stamping die according to claim 1, characterized in that, The upper mold base is provided with fixed frames on opposite sides, the upper mold is located inside the two fixed frames, and the two ends of the demolding base are respectively set on the corresponding fixed frames through sliding guide structures.

3. The stamping die according to claim 2, characterized in that, The sliding guide structure includes a guide hole provided on the fixed frame and a guide block provided on the demolding base, wherein the guide block is slidably disposed in the guide hole.

4. The stamping die according to claim 3, characterized in that, The guide block is mounted on the demolding base via a position adjustment structure.

5. The stamping die according to claim 4, characterized in that, The position adjustment structure includes a stud disposed on the demolding base and two locking nuts threadedly connected to the stud. The guide block is sleeved on the stud and fastened to the stud by the two locking nuts.

6. The stamping die according to claim 5, characterized in that, The stud is threadedly connected to the demolding seat and tightened by a backing nut.

7. The stamping die according to claim 1, characterized in that, The product positioning structure is a stepped hole provided on the demolding base. The large hole section of the stepped hole is used to radially limit the product, the step of the stepped hole is used to axially limit the product, and the small hole section of the stepped hole is used for the lower mold to pass through the demolding base and extend into the product.

8. The stamping die according to claim 7, characterized in that, The demolding base includes a positioning plate and a support plate. The positioning plate is connected to the upper mold base, and the support plate is stacked below the positioning plate. The positioning plate is provided with a first through hole, and the support plate is provided with a second through hole. The first through hole is the large hole segment of the stepped hole, the upper end face of the support plate is the step of the stepped hole, and the second through hole is the small hole segment of the stepped hole.

9. A stamping machine, characterized in that, Includes the stamping die as described in any one of claims 1 to 8.