Diamond wire-drawing die

By designing the core structure of the diamond wire drawing die and employing laser perforation and ultrasonic grinding and polishing processes, the problem of insufficient die hole smoothness was solved, and a high-quality wire drawing process was achieved.

CN223556849UActive Publication Date: 2025-11-18ZHEJIANG JINPING WIRE DRAWING DIE CO LTD
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Patent Information

Application Number
CN202422937844.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-11-18
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

Existing diamond wire drawing dies have insufficient die hole smoothness during the wire drawing process, resulting in copper powder scraping and affecting the wire drawing quality.

Method used

A diamond wire drawing die is designed with an exit area, a sizing area, a compression area, and a lubrication area inside the die core. It is treated with laser perforation and ultrasonic grinding and polishing processes to ensure seamless connection and smooth surface of the die holes.

Benefits of technology

To prevent copper powder from being scraped off during the wire drawing process, ensuring the quality and precision of the wire drawing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a diamond wire-drawing die which comprises a stainless steel die sleeve, a round groove is formed in the right end face of the stainless steel die sleeve, a sintering body is arranged at the left end in the round groove, a die core is arranged in the sintering body, and an outlet area, a sizing area, a compression area, a lubricating area and an inlet area are sequentially arranged in the die core from left to right. The outlet area, the compression area, the lubrication area and the inlet area are all in taper design, the right end diameter of the outlet area is the same as the left end diameter of the sizing area and is in seamless contact with the sizing area, the right end diameter of the sizing area is the same as the left end diameter of the compression area and is in seamless contact with the compression area, and the right end diameter of the compression area is the same as the left end diameter of the lubrication area and is in seamless contact with the lubrication area. The outlet area, the sizing area, the compression area, the lubricating area and the inlet area in the die core are in seamless contact in sequence from left to right to form the die hole, and the die hole is subjected to laser perforation and ultrasonic grinding and polishing treatment, so that the surface of the die hole is smooth and clean, copper powder can be prevented from being scraped off in the wire drawing process, and the wire drawing quality is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of diamond wire drawing dies, belong to wire drawing die technical field. BACKGROUND

[0002] Diamond wire drawing die is a tool for metal wire processing, mainly used to be drawn into the diameter required by wire drawing process. Diamond wire drawing die is more advantageous compared to traditional materials (such as hard alloy) due to its wear resistance, high temperature resistance, with longer service life and higher processing accuracy.

[0003] But in prior art, diamond wire drawing die will occur copper powder scraping situation in wire drawing process due to the insufficient die hole smoothness of its die core, reduce the quality of wire drawing. Therefore, the utility model provides a kind of diamond wire drawing die to solve the above problems. UTILITY MODEL CONTENT

[0004] Based on the above background, the purpose of the utility model is to provide a kind of diamond wire drawing die, solve the problems in the background art.

[0005] The utility model provides the following technical scheme:

[0006] A kind of diamond wire drawing die, including stainless steel die sleeve, the right end surface of the stainless steel die sleeve is equipped with circular groove, the left end of the circular groove is equipped with sintered body, the sintered body is equipped with die core inside, the die core is sequentially equipped with outlet zone, sizing zone, compression zone, lubricating zone and inlet zone from left to right inside, the outlet zone, compression zone, lubricating zone and inlet zone are all designed with taper, the right end diameter of the outlet zone is same with the left end diameter of sizing zone and seamless contact, the right end diameter of the sizing zone is same with the left end diameter of compression zone and seamless contact, the right end diameter of the compression zone is same with the left end diameter of lubricating zone and seamless contact, the right end diameter of the lubricating zone is same with the left end diameter of inlet zone and seamless contact, the outlet zone, sizing zone, compression zone, lubricating zone and inlet zone arc of the die core seamless connection constitute the die hole of die core, the die hole is formed by laser drilling, and is treated by ultrasonic grinding and polishing process.

[0007] As preferred, the taper of the outlet zone is 55 °-65 °, the length of the sizing zone is 0.25-0.30d, the taper of the compression zone is 16 °-20 °, the taper of the lubricating zone is 35 °-45 °, and the taper of the inlet zone is 85 °-95 °.

[0008] As preferred, the left end of the stainless steel die sleeve is provided with a tapered wire outlet, the left end of the sintered body is provided with a first tapered transition port, and the tapers of the tapered wire outlet, the first tapered transition port and the outlet zone are the same without step.

[0009] As preferred, the right end of the sintered body in the circular groove is provided with a die cover, the right end of the sintered body and the die cover are both provided with a second tapered transition port, the die cover and the second tapered transition port of the right end of the sintered body and the taper of the inlet area are the same without step to form a tapered inlet port.

[0010] As preferred, the die cover is clamped with the sintered body, and the sintered body is clamped with the inner wall of the circular groove.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] The utility model discloses a diamond wire drawing die, the outlet area, the sizing area, the compression area, the lubricating area and the inlet area in the die core are in seamless contact from left to right and form a die hole, the die hole is handled by laser drilling and ultrasonic grinding and polishing, the die hole surface is smooth, copper powder can be prevented from being scraped off in the wire drawing process, and the quality of wire drawing is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, and obviously, the drawings in the following description are only the embodiments of the utility model, and for the ordinary skilled in the art, other drawings can be obtained according to the provided drawings without the creative labor.

[0014] Fig. 1 It is the structural schematic diagram of the utility model;

[0015] Fig. 2 It is the die core mechanism schematic diagram of the utility model.

[0016] In the drawing: 1, stainless steel die cover;2, circular groove;3, sintered body;4, die core;5, outlet area;6, sizing area;7, compression area;8, lubricating area;9, inlet area;10, die hole;11, tapered outlet port;12, first tapered transition port;13, die cover;14, second tapered transition port;15, tapered inlet port. DETAILED DESCRIPTION

[0017] The technical scheme of the utility model will be further specifically explained by the following specific embodiments and the drawings, and it should be understood that the implementation of the utility model is not limited to the following embodiments, and any form of variation and / or change of the utility model will fall within the protection scope of the utility model.

[0018] In the utility model, if not specified, all the parts, percentage is weight unit, the equipment and raw material etc. that adoption can be bought from market or is common in the art. The method in the following embodiment, if no special instruction, is the conventional method in the art. The component or equipment in the following embodiment, if no special instruction, is the general standard spare or the component that the person skilled in the art knows, and its structure and principle are all that the person skilled in the art can know through technical manual or obtain through conventional experimental method.

[0019] The embodiments of the utility model are explained in detail below in combination with the drawings, and in the following detailed description, for the convenience of explanation, many specific details are set forth to provide a comprehensive understanding of the embodiments of the utility model. However, one or more embodiments can also be implemented by the person skilled in the art without these specific details.

[0020] As Figs. 1-2 The utility model discloses a diamond wire drawing die, including stainless steel die sleeve 1, the right end surface of stainless steel die sleeve 1 is equipped with circular groove 2, the left end in circular groove 2 is equipped with sintered body 3, the inside of sintered body 3 is equipped with die core 4, the inside of die core 4 is sequentially equipped with outlet area 5, sizing area 6, compression area 7, lubricating area 8 and inlet area 9 from left to right, outlet area 5, compression area 7, lubricating area 8 and inlet area 9 all are taper design, the right end diameter of outlet area 5 is same with the left end diameter of sizing area 6 and seamless contact, the right end diameter of sizing area 6 is same with the left end diameter of compression area 7 and seamless contact, the right end diameter of compression area 7 is same with the left end diameter of lubricating area 8 and seamless contact, the right end diameter of lubricating area 8 is same with the left end diameter of inlet area 9 and seamless contact, the circular arc of outlet area 5, sizing area 6, compression area 7, lubricating area 8 and inlet area 9 of die core 4 seamlessly connects and constitutes the die hole 10 of die core 4, the die hole 10 is formed by laser drilling and is handled by ultrasonic grinding and polishing process.

[0021] In the above technical scheme, the outlet area 5, the sizing area 6, the compression area 7, the lubricating area 8 and the inlet area 9 in the die core 4 are sequentially and seamlessly contacted from left to right to form the die hole 10, the die hole 10 is drilled by laser and is polished by ultrasonic grinding, so that the surface of the die hole 10 is smooth. It can prevent the copper powder from being scraped off during the drawing process and ensure the quality of the drawing.

[0022] In the utility model, the taper of outlet area 5 is 55 °-65 °, the length of sizing area 6 is 0.25-0.30d, the taper of compression area 7 is 16 °-20 °, the taper of lubricating area 8 is 35 °-45 °, and the taper of inlet area 9 is 85 °-95 °.

[0023] In the above technical scheme, the taper of the compression zone 7 is determined through research and development, so that the compression angle suitable for wire drawing and the length of the sizing zone 6 are determined, and the continuity of wire drawing is ensured.

[0024] In the utility model, the left end of the stainless steel die sleeve 1 is provided with a tapered outlet 11, the left end of the sintered body 3 is provided with a first tapered transition port 12, and the taper of the tapered outlet 11, the first tapered transition port 12 and the outlet zone 5 is the same without steps.

[0025] In the above technical scheme, the taper of the tapered outlet 11, the first tapered transition port 12 and the outlet zone 5 is the same without steps, which avoids scratching during wire drawing and ensures the quality of the wire drawing rubber layer.

[0026] In the utility model, the right end of the sintered body 3 in the circular groove 2 is provided with a die cover 13, the right end of the sintered body 3 and the die cover 13 are both provided with a second tapered transition port 14, and the second tapered transition port 14 of the die cover 13 and the right end of the sintered body 3 and the taper of the inlet zone 9 are the same without steps to form a tapered inlet port 15.

[0027] In the above technical scheme, the taper of the second tapered transition port 14 and the inlet zone 9 is the same without steps to form the tapered inlet port 15, which does not scratch the surface of the copper material during threading, and further ensures the entry of lubricating liquid during wire drawing, promotes the smoothness of the surface of the wire drawing rubber layer and the precision.

[0028] In the utility model, the die cover 13 is clamped with the sintered body 3, and the sintered body 3 is clamped with the inner wall of the circular groove 2.

[0029] In the above technical scheme, the clamping between the sintered body 3 and the circular groove 2 and the clamping between the die cover 13 and the sintered body 3 ensure the stability of the die core 4 during wire drawing.

[0030] In this paper, specific examples are applied to explain the principles and implementation modes of the utility model, and the above examples are only used to help understand the method and core idea of the utility model. It should be pointed out that for ordinary skilled persons in the technical field, some improvements and modifications can be made to the utility model without departing from the principles of the utility model, and these improvements and modifications also fall within the protection scope of the claims of the utility model.

Claims

1. A diamond wire drawing die, characterized by: The utility model relates to a stainless steel die sleeve (1), the right end surface of stainless steel die sleeve (1) is equipped with circular recess (2), the left end of circular recess (2) is equipped with sintered body (3), the inside of sintered body (3) is equipped with die core (4), the inside of die core (4) is equipped with outlet area (5), sizing area (6), compression area (7), lubricating area (8) and inlet area (9) from left to right in proper order, outlet area (5), compression area (7), lubricating area (8) and inlet area (9) all are taper design, the right end diameter of outlet area (5) is same with the left end diameter of sizing area (6) and seamless contact, the right end diameter of sizing area (6) is same with the left end diameter of compression area (7) and seamless contact, the right end diameter of compression area (7) is same with the left end diameter of lubricating area (8) and seamless contact, the right end diameter of lubricating area (8) is same with the left end diameter of inlet area (9) and seamless contact, the circular arc seamless connection of die core (4) outlet area (5), sizing area (6), compression area (7), lubricating area (8) and inlet area (9) forms the die hole (10) of die core (4).

2. A diamond wire-drawing die according to claim 1, characterized in that: The taper of outlet area (5) is 55-65, the length of sizing area (6) is 0.25-0.30d, the taper of compression area (7) is 16-20, the taper of lubricating area (8) is 35-45, and the taper of inlet area (9) is 85-95.

3. A diamond wire-drawing die according to claim 1, characterized in that: The left end of stainless steel die sleeve (1) is provided with a tapered outlet (11), the left end of sintered body (3) is provided with a first tapered transition port (12), the tapered outlet (11), the first tapered transition port (12) and the taper of outlet area (5) are the same without steps.

4. A diamond wire-drawing die according to claim 3, characterized in that: The right end of sintered body (3) in the circular recess (2) is provided with a die cover (13), the right end of sintered body (3) and the die cover (13) are both provided with a second tapered transition port (14), the die cover (13) and the second tapered transition port (14) of the right end of sintered body (3) and the taper of inlet area (9) are the same without steps to form a tapered inlet (15).

5. A diamond wire-drawing die according to claim 4, characterized in that: The die cover (13) is connected with the sintered body (3), and the sintered body (3) is connected with the inner wall of the circular recess (2).