Cold heading drilling device for one-time forming of chain sleeve

By designing a cold heading drilling device for chain sleeves, the chain sleeves can be formed in one step using a conveyor line and multiple cold heading components, which solves the problem of low efficiency in the prior art, improves processing efficiency and reduces labor intensity.

CN224181976UActive Publication Date: 2026-05-01CHENSHOU (XIAMEN) AUTOMATION TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHENSHOU (XIAMEN) AUTOMATION TECH CO LTD
Filing Date
2025-05-28
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

Existing technologies have low processing efficiency for chain sleeves, making it impossible to achieve one-time molding and increasing labor intensity.

Method used

A cold heading and drilling device was designed, which includes a conveyor line and multiple cold heading components. The conveyor line drives the chain sleeve blank to pass through multiple cold heading components in sequence for cold heading production, so as to achieve one-time forming.

Benefits of technology

It improves the processing efficiency of chain sleeves, solves the problem of multiple individual cold heading, and reduces labor intensity.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224181976U_ABST
    Figure CN224181976U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of chain sleeves, in particular to a cold heading drilling device for one-step forming of chain sleeves, which comprises a conveying line, and a plurality of groups of chain sleeve blanks are placed on the surface of the conveying line. A first cold heading assembly, a second cold heading assembly, a third cold heading assembly, a fourth cold heading assembly and a fifth cold heading assembly are sequentially arranged on the two sides of the conveying line from left to right, and the first cold heading assembly, the second cold heading assembly, the third cold heading assembly, the fourth cold heading assembly and the fifth cold heading assembly are matched to be used for conducting cold heading production on chain sleeve blanks. And integral roller forming is realized. The chain sleeve blank is driven by the arranged conveying line to sequentially pass through the first cold heading assembly, the second cold heading assembly, the third cold heading assembly, the fourth cold heading assembly and the fifth cold heading assembly, the one-time roller forming function is achieved, and the problem that multiple times of independent cold heading are needed in the prior art is solved; and the machining efficiency of the cold heading drilling device on the chain sleeve is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Cold heading drilling device for one-time forming of chain sleeves Technical Field

[0001] This utility model relates to the field of chain sleeve technology, specifically to a cold heading drilling device for one-time forming of chain sleeves. Background Technology

[0002] Chains are generally made of metal links or rings, and are mostly used for mechanical transmission and traction. They are used to obstruct traffic, and in mechanical transmission, the sleeve is a key component; its material and structural design directly affect the chain's performance, especially its wear resistance.

[0003] Existing technologies involve separate cold heading processes for chain sleeve manufacturing, which cannot achieve one-time forming. As a result, the processing efficiency of chain sleeves is low, and the processing increases labor intensity, causing great inconvenience to users. Summary of the Invention

[0004] The purpose of this invention is to provide a cold heading and drilling device for one-time forming of chain sleeves, so as to solve the problem mentioned in the background art that the existing technology is a separate cold heading process with low processing efficiency.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a cold heading and drilling device for one-time forming of chain sleeves, comprising a conveyor line, on the surface of which several sets of chain sleeve blanks are placed, the conveyor line being used to drive the chain sleeve blanks to be conveyed, the chain sleeve blanks having an internal cavity; a first cold heading assembly, a second cold heading assembly, a third cold heading assembly, a fourth cold heading assembly, and a fifth cold heading assembly are arranged sequentially from left to right on both sides of the conveyor line, the first cold heading assembly, the second cold heading assembly, the third cold heading assembly, the fourth cold heading assembly, and the fifth cold heading assembly working together to cold heading the chain sleeve blanks to achieve one-piece roller forming.

[0006] Preferably, the first cold heading assembly includes a first left punch and a first right punch, the first left punch and the first right punch being used for processing the inner cavities on both sides of the chain sleeve blank.

[0007] Preferably, the second cold heading assembly is composed of a second left punch and a second right punch, which are located on both sides of the chain sleeve blank, and are used for machining the inner cavity.

[0008] Preferably, the third cold heading assembly is composed of a third left punch and a third right punch, and the third left punch and the third right punch are respectively provided on both sides of the chain sleeve blank, and the third left punch and the third right punch are used for machining the inner cavity.

[0009] Preferably, the fourth cold heading assembly includes a fourth left punch and a fourth right punch, which are located on both sides of the chain sleeve blank for machining the inner cavity.

[0010] Preferably, the fifth cold heading assembly consists of a fifth left punch, a fifth right punch, and a chamfering head. The fifth left punch and the fifth right punch are respectively provided on both sides of the chain sleeve blank. The surface of the fifth right punch is provided with a chamfering head, which is used for chamfering the inner cavity.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: When the cold heading and drilling device for one-time forming of chain sleeves is implemented, the chain sleeve blank is placed on a conveyor line, and the blank is transported through the conveyor line, sequentially passing through the first, second, third, fourth, and fifth cold heading assemblies for cold heading production. This utility model, by using a conveyor line to drive the chain sleeve blank sequentially through these assemblies, achieves a one-time roller forming function, solving the problem of the prior art requiring multiple separate cold heading operations, and improving the processing efficiency of the cold heading and drilling device for chain sleeves. Attached Figure Description

[0012] Figure 1 is a three-dimensional appearance structure diagram of this utility model;

[0013] Figure 2 is a top view of the structure of this utility model;

[0014] Figure 3 is a partially enlarged structural schematic diagram of this utility model.

[0015] In the diagram: 1. First cold heading assembly; 11. First left punch; 12. First right punch; 2. Second cold heading assembly; 21. Second left punch; 22. Second right punch; 3. Third cold heading assembly; 31. Third left punch; 32. Third right punch; 4. Fourth cold heading assembly; 41. Fourth left punch; 42. Fourth right punch; 5. Fifth cold heading assembly; 51. Fifth left punch; 52. Fifth right punch; 53. Chamfer head; 6. Conveyor line; 7. Chain sleeve blank; 71. Inner cavity. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. In addition, the terms "first", "second", "third", "upper", "lower", "left", "right", etc. are used for descriptive purposes only and should not be construed as indicating or implying relative importance. At the same time, in the description of the present utility model, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present utility model.

[0017] The structure of the cold heading and drilling device for one-time forming of chain sleeves provided by this utility model is shown in Figures 1 and 3. It includes a conveyor line 6, on the surface of which several sets of chain sleeve blanks 7 are placed. The conveyor line 6 is used to drive the chain sleeve blanks 7 to be conveyed. The chain sleeve blanks 7 have an inner cavity 71. From left to right, a first cold heading assembly 1, a second cold heading assembly 2, a third cold heading assembly 3, a fourth cold heading assembly 4, and a fifth cold heading assembly 5 are arranged on both sides of the conveyor line 6. The first cold heading assembly 1, the second cold heading assembly 2, the third cold heading assembly 3, the fourth cold heading assembly 4, and the fifth cold heading assembly 5 are used to cold heading the chain sleeve blanks 7 to produce them in one-piece roller forming.

[0018] During implementation, the chain sleeve blank 7 is placed on the conveyor line 6 and conveyed through the conveyor line 6 so that it passes through the first cold heading assembly 1, the second cold heading assembly 2, the third cold heading assembly 3, the fourth cold heading assembly 4 and the fifth cold heading assembly 5 in sequence for cold heading production.

[0019] Further, as shown in Figures 1 and 2, the first cold heading assembly 1 includes a first left punch 11 and a first right punch 12, which are respectively used for processing the inner cavity 71 on both sides of the chain sleeve blank 7. The second cold heading assembly 2 is composed of a second left punch 21 and a second right punch 22, which are respectively located on both sides of the chain sleeve blank 7. The second left punch 21 and the second right punch 22 are respectively used for processing the inner cavity 71. The third cold heading assembly 3 is composed of a third left punch 31 and a third right punch 32. The chain sleeve blank 7 is provided with [missing information - likely related to processing]. The third left punch 31 and the third right punch 32 are used for machining the inner cavity 71. The fourth cold heading assembly 4 includes a fourth left punch 41 and a fourth right punch 42, which are located on both sides of the chain sleeve blank 7 and are used for machining the inner cavity 71. The fifth cold heading assembly 5 consists of a fifth left punch 51, a fifth right punch 52 and a chamfer head 53. The fifth left punch 51 and the fifth right punch 52 are respectively provided on both sides of the chain sleeve blank 7. The surface of the fifth right punch 52 is provided with a chamfer head 53, which is used for chamfering the inner cavity 71.

[0020] During implementation, the inner cavity 71 is cold-forged and drilled by the first left punch 11 and the first right punch 12 in the first cold forging assembly 1, the second left punch 21 and the second right punch 22 in the second cold forging assembly 2, the third left punch 31 and the third right punch 32 in the third cold forging assembly 3, the fourth left punch 41 and the fourth right punch 42 in the fourth cold forging assembly 4, and the fifth left punch 51, the fifth right punch 52 and the chamfering head 53 in the fifth cold forging assembly 5.

[0021] Working principle: In use, the chain sleeve blank 7 is first placed on the conveyor line 6. The chain sleeve blank 7 is conveyed by the conveyor line 6 and passes through the first cold heading assembly 1, the second cold heading assembly 2, the third cold heading assembly 3, the fourth cold heading assembly 4 and the fifth cold heading assembly 5 in sequence. When passing through the first cold heading assembly 1, the second cold heading assembly 2, the third cold heading assembly 3, the fourth cold heading assembly 4 and the fifth cold heading assembly 5, respectively, the first left punch 11 and the first right punch 12 in the first cold heading assembly 1, the second left punch 21 and the second right punch 22 in the second cold heading assembly 2, the third left punch 31 and the third right punch 32 in the third cold heading assembly 3, the fourth left punch 41 and the fourth right punch 42 in the fourth cold heading assembly 4, and the fifth left punch 51, the fifth right punch 52 and the chamfering head 53 in the fifth cold heading assembly 5, respectively, cold heading and drilling the inner cavity 71.

[0022] This invention uses a conveyor line 6 to drive the chain sleeve blank 7 through the first cold heading assembly 1, the second cold heading assembly 2, the third cold heading assembly 3, the fourth cold heading assembly 4, and the fifth cold heading assembly 5 in sequence, thereby achieving a one-time roller forming function. This solves the problem of the existing technology requiring multiple separate cold headings and improves the processing efficiency of the cold heading and drilling device for chain sleeves.

[0023] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A cold heading drilling device for one-time forming of chain sleeves, comprising a conveyor line (6), characterized in that: The surface of the conveyor line (6) is provided with several sets of chain sleeve blanks (7). The conveyor line (6) is used to drive the chain sleeve blanks (7) to be conveyed. The chain sleeve blanks (7) have an inner cavity (71) inside. The two sides of the conveyor line (6) are arranged from left to right as follows: a first cold heading assembly (1), a second cold heading assembly (2), a third cold heading assembly (3), a fourth cold heading assembly (4), and a fifth cold heading assembly (5). The first cold heading assembly (1), the second cold heading assembly (2), the third cold heading assembly (3), the fourth cold heading assembly (4), and the fifth cold heading assembly (5) are used to cold heading the chain sleeve blanks (7) to make them integrally formed by roller forming.

2. The cold heading drilling device for one-time forming of chain sleeves according to claim 1, characterized in that: The first cold heading assembly (1) includes a first left punch (11) and a first right punch (12), which are used for processing the inner cavity (71) on both sides of the chain sleeve blank (7).

3. The cold heading drilling device for one-time forming of chain sleeves according to claim 1, characterized in that: The second cold heading assembly (2) is composed of a second left punch (21) and a second right punch (22). The second left punch (21) and the second right punch (22) are located on both sides of the chain sleeve blank (7). The second left punch (21) and the second right punch (22) are used for processing the inner cavity (71).

4. The cold heading drilling device for one-time forming of chain sleeves according to claim 1, characterized in that: The third cold heading assembly (3) is composed of a third left punch (31) and a third right punch (32). The chain sleeve blank (7) is provided with a third left punch (31) and a third right punch (32) on both sides, and the third left punch (31) and the third right punch (32) are used for processing the inner cavity (71).

5. The cold heading drilling device for one-time forming of chain sleeves according to claim 1, characterized in that: The fourth cold heading assembly (4) includes a fourth left punch (41) and a fourth right punch (42), which are located on both sides of the chain sleeve blank (7) for processing the inner cavity (71).

6. The cold heading drilling device for one-time forming of chain sleeves according to claim 1, characterized in that: The fifth cold heading assembly (5) consists of a fifth left punch (51), a fifth right punch (52) and a chamfer head (53). The chain sleeve blank (7) is provided with a fifth left punch (51) and a fifth right punch (52) on both sides respectively. The surface of the fifth right punch (52) is provided with a chamfer head (53), which is used for chamfering the inner cavity (71).