Wear-resistant structure of die chamfer

By setting an embedding groove on the inner wall of the mold cavity of the mold and installing a support rod with a chamfered structure, the problem of woven at the chamfer in the mold cavity during the mold release process is solved, and the replacement of the support rod is achieved, avoiding the entire mold Replacement.

CN222451469UActive Publication Date: 2025-02-11CHENGDU WALTZ DONGJIANG AUTO PARTS CO LTD
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Patent Information

Application Number
CN202420226383.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-31
Publication Date
2025-02-11
Estimated Expiration
2034-01-31

AI Technical Summary

Technical Problem

During the mold release process of parts, the problem of hair pulling is prone to occur at the chamfers in the mold cavity. The existing technology has failed to effectively solve this problem, resulting in the entire mold needing to be replaced.

Method used

Designing a wear-resistant structure for mold chamfering, including providing an insertion groove on the inner wall of the mold cavity of the mold body and installing a support rod in the embedding groove, and the support rod has a chamfer structure. The structure is connected to the mold body and the support rod through a connecting member to ensure the stable position of the support rod in the embedding groove.

Benefits of technology

When there is a hair pulling problem with the chamfer structure on the support rod, the support rod can be replaced directly without changing the entire mold, which effectively solves the problem of hair pulling at the chamfers in the mold cavity.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a wear-resistant structure of a mold chamfer, and aims to solve the technical problem that the chamfer in a mold cavity is easy to galling in the demolding process of a part. The wear-resistant structure comprises a mold body, an embedded groove is formed in each convex corner of the inner wall of a mold cavity of the mold body, and the two sides of each embedded groove are connected with the two sides of the inner wall of the mold cavity; the supporting rod is arranged in the embedding groove, the side, located in the mold cavity, of the supporting rod is an arc-shaped face, and the arc-shaped face is connected with the two sides of the inner wall of the mold cavity in the tangential direction; one end of the connecting piece is detachably connected with the end part of the mold body, and the other end of the connecting piece is detachably connected with the end part of the supporting rod. The embedded groove is formed in the mold cavity of the mold body and is formed in the chamfer position in the mold cavity, so that the supporting rod is installed in the embedded groove, and the supporting rod is provided with a chamfer structure. And when the chamfering structure on the supporting rod has a galling problem, the supporting rod can be replaced, and the whole mold does not need to be replaced.
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Description

Technical Field

[0001] The utility model relates to a mould, in particular to a wear-resistant structure of a mould chamfer. Background Art

[0002] The mold structure includes an upper mold and a lower mold, and a mold cavity is formed by a gap between the upper mold and the lower mold. According to the structural shape of the part, the structure of the part includes a plurality of chamfer structures.

[0003] During the demolding process of parts, the chamfers in the mold cavity are prone to burrs. Currently, there is no technical solution to the burr problem, and the entire mold can only be replaced. Utility Model Content

[0004] In view of the technical problem that the chamfers in the mold cavity are prone to burring during the demoulding process of the above-mentioned parts, the utility model provides a wear-resistant structure of the mold chamfer, which has the advantage that the chamfer structure in the mold cavity can be replaced.

[0005] The technical solution of the utility model is:

[0006] A wear-resistant structure for mold chamfering, comprising:

[0007] The mold body has an embedding groove on each convex corner of the inner wall of the mold cavity, and two sides of the embedding groove are connected to two sides of the inner wall of the mold cavity;

[0008] A support rod is disposed in the embedding groove, wherein one side of the support rod located in the mold cavity is an arc-shaped surface, and the arc-shaped surface is tangentially connected to two sides of the inner wall of the mold cavity;

[0009] A connecting piece has one end detachably connected to the end of the mold body and the other end detachably connected to the end of the support rod.

[0010] Optionally, the embedding groove and the supporting rod are both cylindrical structures.

[0011] Optionally, the embedding groove and the support rod are both regular polygonal structures, all edges on the side walls of the support rod are chamfered, a corner of the embedding groove and the two side surfaces of the corner are located in the mold cavity, and the two sides of each rounded corner can be tangentially connected to the two sides of the inner wall of the mold cavity.

[0012] Optionally, the angle between two adjacent side surfaces of the support rod is less than or equal to the angle between two side surfaces of the inner wall of the mold cavity.

[0013] Optionally, a connection groove is provided at each end of the support rod, and a connection hole is provided on the mold body;

[0014] One end of the connecting member is embedded in the connecting groove, and the other end of the connecting member is embedded in the connecting hole.

[0015] Optionally, one end of the connecting member is detachably connected to the connecting hole via a bolt.

[0016] Optionally, the connecting groove is a regular polygonal structure.

[0017] Optionally, the mold cavity is a "X"-shaped space, and an embedding groove is respectively provided on both sides of the mold cavity, and two support rods are respectively provided in the two embedding grooves in parallel with each other.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] An embedding groove is arranged in the mold cavity of the mold body, and the embedding groove is arranged at the chamfer in the mold cavity, so that the support rod is installed in the embedding groove, and the support rod has a chamfer structure.

[0020] When the chamfer structure on the support rod has a problem of roughening, the support rod can be replaced without replacing the entire mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a structural schematic diagram of Example 1;

[0023] Figure 2 is a schematic diagram of the three-dimensional structure of Example 1;

[0024] Figure 3 Schematic diagram of the installation structure of the support rod;

[0025] Figure 4 It is a structural schematic diagram of Example 2;

[0026] Figure 5 A schematic diagram of the structure of the connector. DETAILED DESCRIPTION

[0027] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0028] The disclosure below provides many different embodiments or examples for realizing different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of specific examples are described below. Of course, they are merely examples, and the purpose is not to limit the utility model. In addition, the utility model may repeat reference numbers and / or reference letters in different examples, and such repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the utility model provides various specific examples of processes and materials, but those of ordinary skill in the art may be aware of the application of other processes and / or the use of other materials.

[0029] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings. Example

[0030] See also Figure 1-Figure 3 and Figure 5 A wear-resistant structure of a mold chamfer includes a mold body 1, a support rod 2 and a connector 3. The mold body 1 has a mold cavity 4 inside, and the inner wall of the mold cavity 4 has a plurality of chamfered structures. An embedding groove 5 is provided on each chamfered structure, and the length direction of the embedding groove 5 is consistent with the extension direction of the chamfer, and the two sides of the embedding groove 5 are connected to the two sides of the inner wall of the mold cavity 4.

[0031] In this embodiment, the mold cavity 4 is an "X"-shaped structure, and the bottoms of both sides of the mold cavity 4 each have an outwardly protruding chamfered structure, and an embedding groove 5 is respectively provided on the two outwardly protruding chamfered structures, and the two embedding grooves 5 are both long strip structures.

[0032] A support rod 2 is respectively arranged in the two embedding grooves 5, one side of the support rod 2 is exposed in the mold cavity 4, and this side of the support rod 2 is an arc surface, and the two sides of the arc surface are tangentially connected to the two sides of the embedding groove 5 in the mold cavity 4.

[0033] A connecting piece 3 is provided at both ends of the support rod 2 and the mold body 1, respectively, and both ends of the connecting piece 3 are detachably connected to the ends of the support rod 2 and the ends of the mold body 1. The connecting piece 3 can limit the position of the support rod 2 in the embedding groove 5, prevent the support rod 2 from moving along its length direction in the embedding groove 5, and prevent the support rod 2 from rotating.

[0034] An embedding groove 5 is provided in the mold cavity 4 of the mold body 1 , and the embedding groove 5 is provided at a chamfer in the mold cavity 4 , so that the support rod 2 is installed in the embedding groove 5 , and the support rod 2 has a chamfer structure.

[0035] When the chamfer structure on the support rod 2 has a problem of roughening, the support rod 2 can be replaced without replacing the entire mold.

[0036] In one specific embodiment:

[0037] The embedding groove 5 and the support rod 2 are both cylindrical structures, and a quarter of the cylindrical surface of the support rod 2 is exposed in the mold cavity 4.

[0038] Among them, the end of the support rod 2 has a regular polygonal connecting groove 6, and the end of the connecting piece 3 has a regular polygonal connecting block that can be embedded in the connecting groove 6. The support rod 2 can be prevented from rotating by the cooperation between the regular polygonal connecting groove 6 and the connecting block.

[0039] It should be noted that when the support rod 2 is rotated 90°, the connecting block can still match the connecting groove 6 .

[0040] Preferably, one end of the connecting member 3 away from the supporting rod 2 is detachably connected to the end of the mold body 1 by a bolt 7 . Example

[0041] See also Figure 4 and Figure 5 A wear-resistant structure of a mold chamfer includes a mold body 1, a support rod 2 and a connector 3. The mold body 1 has a mold cavity 4 inside, and the inner wall of the mold cavity 4 has a plurality of chamfered structures. An embedding groove 5 is provided on each chamfered structure, and the length direction of the embedding groove 5 is consistent with the extension direction of the chamfer, and the two sides of the embedding groove 5 are connected to the two sides of the inner wall of the mold cavity 4.

[0042] Specifically, the mold cavity 4 is an "X"-shaped structure, and the bottoms of both sides of the mold cavity 4 each have an outwardly protruding chamfered structure, and an embedding groove 5 is respectively provided on the two outwardly protruding chamfered structures, and the two embedding grooves 5 are both long strip structures.

[0043] A support rod 2 is respectively arranged in the two embedding grooves 5, one side of the support rod 2 is exposed in the mold cavity 4, and this side of the support rod 2 is an arc surface, and the two sides of the arc surface are tangentially connected to the two sides of the embedding groove 5 in the mold cavity 4.

[0044] A connecting piece 3 is provided at both ends of the support rod 2 and the mold body 1, respectively, and both ends of the connecting piece 3 are detachably connected to the ends of the support rod 2 and the ends of the mold body 1. The connecting piece 3 can limit the position of the support rod 2 in the embedding groove 5, prevent the support rod 2 from moving along its length direction in the embedding groove 5, and prevent the support rod 2 from rotating.

[0045] An embedding groove 5 is provided in the mold cavity 4 of the mold body 1 , and the embedding groove 5 is provided at a chamfer in the mold cavity 4 , so that the support rod 2 is installed in the embedding groove 5 , and the support rod 2 has a chamfer structure.

[0046] When the chamfer structure on the support rod 2 has a problem of roughening, the support rod 2 can be replaced without replacing the entire mold.

[0047] In one specific embodiment:

[0048] The embedding groove 5 and the support rod 2 are both square structures. One corner of the support rod 2 in the length direction and two adjacent surfaces of the corner are exposed in the mold cavity 4. The four corners of the support rod 2 in the length direction are chamfered.

[0049] Among them, the end of the support rod 2 has a regular polygonal connecting groove 6, and the end of the connecting piece 3 has a regular polygonal connecting block that can be embedded in the connecting groove 6. The support rod 2 can be prevented from rotating by the cooperation between the regular polygonal connecting groove 6 and the connecting block.

[0050] It should be noted that when the support rod 2 is rotated 90°, the connecting block can still match the connecting groove 6 .

[0051] Preferably, one end of the connecting member 3 away from the supporting rod 2 is detachably connected to the end of the mold body 1 by a bolt 7 .

[0052] The above-mentioned embodiments only express the specific implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. A wear-resistant structure of mold chamfer, characterized in that: include: The mold body has an embedding groove on each convex corner of the inner wall of the mold cavity, and two sides of the embedding groove are connected to two sides of the inner wall of the mold cavity; A support rod is disposed in the embedding groove, wherein one side of the support rod located in the mold cavity is an arc-shaped surface, and the arc-shaped surface is tangentially connected to two sides of the inner wall of the mold cavity; A connecting piece has one end detachably connected to the end of the mold body and the other end detachably connected to the end of the support rod.

2. The wear-resistant structure of the mold chamfer according to claim 1, characterized in that: The embedding groove and the supporting rod are both cylindrical structures.

3. The wear-resistant structure of the mold chamfer according to claim 1, characterized in that: The embedding groove and the support rod are both regular polygonal structures, all edges on the side walls of the support rod are chamfered, a corner of the embedding groove and the two side surfaces where the corner is located are located in the mold cavity, and the two sides of each rounded corner can be tangentially connected to the two sides of the inner wall of the mold cavity.

4. The wear-resistant structure of the mold chamfer according to claim 3, characterized in that: The angle between two adjacent side surfaces of the support rod is less than or equal to the angle between two side surfaces of the inner wall of the mold cavity.

5. The wear-resistant structure of the mold chamfer according to any one of claims 2 to 4, characterized in that: The two ends of the support rod are respectively provided with a connection groove, and the mold body is provided with a connection hole; One end of the connecting member is embedded in the connecting groove, and the other end of the connecting member is embedded in the connecting hole.

6. The wear-resistant structure of the mold chamfer according to claim 5, characterized in that: One end of the connecting piece is detachably connected to the connecting hole via a bolt.

7. The wear-resistant structure of the mold chamfer according to claim 5, characterized in that: The connecting groove is a regular polygonal structure.

8. The wear-resistant structure of the mold chamfer according to any one of claims 2 to 4, characterized in that: The mold cavity is a "X"-shaped space, and an embedding groove is respectively provided on both sides of the mold cavity, and two support rods are respectively arranged in parallel in the two embedding grooves.