A stamping die with a punch support structure

By arranging the mould support structures at intervals on the lower die seats of the stamping mold, the problem of unstable mould support in the prior art is solved, and the area of ​​stress is maximized and the mold strength is improved.

CN222710615UActive Publication Date: 2025-04-04BOTOU XINGDA AUTOMOBILE MOULD MFG CO LTD
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Patent Information

Application Number
CN202421485837.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-26
Publication Date
2025-04-04
Estimated Expiration
2034-06-26

AI Technical Summary

Technical Problem

Due to the large suspended air and small force area of ​​the existing pulley structure, the pressing and finishing ratio of the molding is difficult, and the forming force is unstable.

Method used

A stamping mold with a punch support structure is designed. By arranging a plurality of punch support structures at intervals on the lower die seats, combining with the give way space reserved on the pulley and the movable punch, the stress support point of the sign-type punch is increased, and the stress area of ​​the punch is expanded.

Benefits of technology

By increasing the stress support point, expanding the force area of ​​the mould, increasing the strength of the mold, reducing the stress instability during the debugging process, and improving the mold surface research and integration rate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a stamping forming die with a punch support structure, including a lower die seat, a pulley, a movable punch and a symbol-shaped punch. The lower die seat is slidably matched with the pulley, and the movable punch is slidably set on the pulley. The symbol-shaped punch is set on the lower die seat through a plurality of punch support structures and slidably matched with the movable punch. The plurality of punch support structures are arranged at intervals, and each punch support structure includes a fixed seat and a support rod that are separately set. The fixed seat is fixedly set on the lower die seat, and the support rod is connected to the symbol-shaped punch. The pulley and the movable punch are provided with corresponding through holes to form a gap for the support rod to pass through. The stamping forming die with a punch support structure described in the utility model can increase the force support point under the symbol-shaped punch, thereby increasing the force area of ​​the punch, making the strength of the die better, thereby increasing the force area during the debugging process, and making the debugging force more stable.
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Description

Technical Field

[0001] The utility model belongs to the technical field of mold processing, in particular to a stamping forming mold with a convex mold supporting structure. Background Art

[0002] In the era of rapid development of the modern mold industry, the wedge mechanism is widely used in molds that realize stamping and forming work at different angles and meet relevant surface requirements during production and manufacturing. For pulley molds, the shape of the punch is very necessary, and the positioning of the punch is particularly critical.

[0003] In the past, the punch with a pulley structure was affected by the pulley space, with more suspension and less force-bearing area. The force was biased during the grinding and debugging by the fitter, making debugging difficult, the grinding rate of the mold surface was low, and the forming force was relatively unstable. Utility Model Content

[0004] In view of this, the utility model aims to propose a stamping forming die with a punch support structure to solve the problem of unstable punch support and increase support points in the pulley gap to maximize the support area.

[0005] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0006] The utility model provides a stamping forming die with a punch support structure, comprising a lower die seat, a pulley, a movable punch and a symbol-shaped punch, wherein the lower die seat is slidably matched with the pulley, the movable punch is slidably arranged on the pulley, the symbol-shaped punch is arranged on the lower die seat through a plurality of punch support structures, and is slidably matched with the movable punch, the plurality of punch support structures are arranged at intervals, each of the punch support structures comprises a fixed seat and a support rod which are separately arranged, the fixed seat is fixedly arranged on the lower die seat, and the support rod is connected to the symbol-shaped punch;

[0007] The pulley and the movable punch are provided with corresponding through holes to form a gap for the support rod to pass through.

[0008] Furthermore, fixing holes are respectively provided at the four corner edge positions of the fixing seat, and the fixing seat is fixed to the lower die seat by fastening screws;

[0009] The support rod is arranged on the fixing seat by means of fastening screws.

[0010] Furthermore, the connection between the support rod and the fixing seat is fixed by welding along the circumference.

[0011] Furthermore, a plurality of protrusions matching the support rod extend downward from the bottom end of the symbol-shaped punch, and the protrusions penetrate into the gaps provided on the movable punch and are fixedly connected to the support rod.

[0012] Furthermore, a first assembly hole recessed inwardly is formed at the top end of the support rod;

[0013] The symbol-shaped convex mold is provided with a second assembly hole that can penetrate the raised portion, and the symbol-shaped convex mold is fixedly connected to the support rod by fastening screws passing through the first assembly hole and the second assembly hole.

[0014] Furthermore, the diameter of the through hole formed on the pulley is larger than the diameter of the through hole formed on the movable punch.

[0015] Compared with the prior art, the stamping forming die with a punch support structure described in the utility model has the following beneficial effects:

[0016] The utility model discloses a stamping forming die with a punch support structure, by arranging a plurality of punch support structures at intervals on a lower die base, and cooperating with reserved gaps on a pulley and a movable punch, the arranged punch support structure can increase the force support points under the symbol-shaped punch, thereby increasing the force area of ​​the punch and improving the strength of the die. Therefore, the force area is increased during the debugging process and the debugging force is more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0018] Figure 1 A planar cross-sectional view of a stamping die with a punch support structure according to an embodiment of the utility model;

[0019] Figure 2 This is a schematic diagram of the male mold support structure described in an embodiment of the utility model;

[0020] Figure 3 This is a schematic diagram of the overall structure of a stamping die with a punch support structure described in an embodiment of the utility model.

[0021] Description of reference numerals:

[0022] 1-lower die base; 2-pulley; 3-movable punch; 4-symbol-shaped punch; 41-raised portion; 5-punch supporting structure; 51-fixed seat; 52-support rod. DETAILED DESCRIPTION

[0023] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0024] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0025] See also Figures 1 to 3 As shown, this embodiment provides a stamping forming die with a punch support structure, including a lower die base 1, a pulley 2, a movable punch 3 and a symbol-shaped punch 4, the lower die base 1 is slidably matched with the pulley 2, the movable punch 3 is slidably arranged on the pulley 2, the symbol-shaped punch 4 is arranged on the lower die base 1 through a plurality of punch support structures 5, and is slidably matched with the movable punch 3, the plurality of punch support structures 5 are arranged at intervals, each of the punch support structures 5 includes a fixed seat 51 and a support rod 52 which are separately arranged, the fixed seat 51 is fixedly arranged on the lower die base 1, and the support rod 52 is connected to the symbol-shaped punch 4;

[0026] Corresponding through holes are provided on the pulley 2 and the movable punch 3 to form a gap for the support rod 52 to pass through.

[0027] Specifically, in this embodiment, a plurality of punch support structures 5 are arranged at intervals on the lower die base 1, and the punch support structures 5 are arranged to cooperate with the reserved gaps on the pulley 2 and the movable punch 3, so that the force support points under the symbol-shaped punch 4 are increased, thereby increasing the force area of ​​the punch and improving the strength of the mold. Therefore, the force area is increased during the debugging process and the debugging force is more stable.

[0028] The stamping die with a punch support structure 5 described in this embodiment has a simple structure and standard processing and manufacturing, which can facilitate operators to complete the installation work efficiently. The processed punch support structure 5 plays a vital role in the force of the shape punch 4 and the lower die base 1.

[0029] In some embodiments, Figure 2 As shown, the four corner edges of the fixing seat 51 are each provided with fixing holes, and the fixing seat 51 is fixed to the lower die seat 1 by fastening screws;

[0030] The support rod 52 is arranged on the fixing seat 51 by means of fastening screws, and the connection between the support rod 52 and the fixing seat 51 is fixed by welding along the circumference.

[0031] Specifically, in this embodiment, the punch support structure 5 is small, simple and practical. The support rod 52 and the fixed seat 51 are fixed at the bottom by fastening screws and then welded around the periphery. This is simple to operate, saves materials, and ensures strength. It is applicable to all molds with a pulley 2 structure.

[0032] In some embodiments, Figure 1 and Figure 2As shown, the bottom end of the symbol-shaped punch 4 extends downwardly with a plurality of protrusions 41 matching the support rod 52, and the protrusions 41 penetrate into the gaps provided on the movable punch 3;

[0033] The top end of the support rod 52 is provided with a first assembly hole recessed inwardly;

[0034] The convex mold 4 is provided with a second assembly hole which can penetrate the raised portion 41 . The convex mold 4 is fixedly connected to the support rod 52 by fastening screws passing through the first assembly hole and the second assembly hole.

[0035] Specifically, in this embodiment, the support rod 52 is fixed to the lower die base 1 with fastening screws, leaving a processing allowance on the top. After unified processing with the lower die base 1, the symbol-shaped punch 4 is fixed to the support rod 52 with fastening screws, so that a force support point is added under the symbol-shaped punch 4. After assembly, the force area of ​​the symbol-shaped punch 4 can be increased to maximize the support surface area.

[0036] In some embodiments, Figure 1 As shown, the diameter of the through hole opened on the pulley 2 is larger than the diameter of the through hole opened on the movable punch 3.

[0037] Specifically, in this embodiment, a space is dug out in the middle of the pulley 2 to make way. The purpose of this arrangement is to reduce the weight of the pulley 2 and to install the support rod 52. The movement stroke of the pulley 2 (left and right lateral movement) and the movement stroke of the movable punch 3 (inclined lateral movement) must be considered here to ensure that the two do not interfere with the support rod 52 during movement.

[0038] Working principle:

[0039] Dig out a space between the pulley 2 and the movable punch 3, then fix the punch support structure 5 to the lower die base 1 with fastening screws, and then integrally process the mounting surface of the symbol-shaped punch 4 and the top of the support rod 52 to make the mounting height consistent, and then fix the symbol-shaped punch 4 to the lower die base 1 and the support rod 52 with fastening screws. After the installation is completed, the fitter can debug and grind it.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A stamping forming die with a punch support structure, comprising a lower die base (1), a pulley (2), a movable punch (3) and a symbol-shaped punch (4), wherein the lower die base (1) is slidably matched with the pulley (2), the movable punch (3) is slidably arranged on the pulley (2), the symbol-shaped punch (4) is arranged on the lower die base (1) through a plurality of punch support structures (5), and is slidably matched with the movable punch (3), characterized in that: A plurality of punch support structures (5) are arranged at intervals, each of the punch support structures (5) comprising a fixed seat (51) and a support rod (52) which are arranged separately, the fixed seat (51) being fixedly arranged on the lower die seat (1), and the support rod (52) being connected to the symbol-shaped punch (4); The pulley (2) and the movable punch (3) are provided with corresponding through holes to form a clearance gap for the support rod (52) to pass through.

2. A stamping die with a punch support structure according to claim 1, characterized in that: The fixing seat (51) is provided with fixing holes at the four corner edges, and the fixing seat (51) is fixed to the lower die seat (1) by means of fastening screws; The support rod (52) is arranged on the fixing seat (51) by means of fastening screws.

3. A stamping die with a punch support structure according to claim 2, characterized in that: The connection between the support rod (52) and the fixing seat (51) is fixed by welding along the circumference.

4. The stamping die with a male die support structure according to claim 2, characterized in that: A plurality of protrusions (41) matching the support rod (52) extend downward from the bottom end of the symbol-shaped punch (4); the protrusions (41) extend deep into the gaps provided on the movable punch (3) and are fixedly connected to the support rod (52).

5. The stamping die with a male die support structure according to claim 4, characterized in that: A first assembly hole recessed inwardly is formed at the top end of the support rod (52); The symbol-shaped convex mold (4) is provided with a second assembly hole capable of penetrating the raised portion (41); the symbol-shaped convex mold (4) is fixedly connected to the support rod (52) by fastening screws passing through the first assembly hole and the second assembly hole.

6. The stamping die with a male die support structure according to claim 1, characterized in that: The diameter of the through hole formed on the pulley (2) is larger than the diameter of the through hole formed on the movable punch (3).