CN220348069U

CN220348069U - Wear-resistant composite yarn

Info

Publication number: CN220348069U
Application number: CN202321888942.9U
Authority: CN
Inventors: 李宏达; 陶欣欣; 李明富
Original assignee: Jiangsu Yongneng New Material Technology Co ltd
Current assignee: Jiangsu Yongneng New Material Technology Co ltd
Priority date: 2023-07-18
Filing date: 2023-07-18
Publication date: 2024-01-16
Anticipated expiration: 2033-07-18

Abstract

The utility model discloses a wear-resistant composite wire, which relates to the technical field of composite wire production and comprises an inner core, wherein a plurality of pits are formed in the outer circumferential surface of the inner core, a wear-resistant layer is arranged outside the inner core, and a plurality of abrasive particle pits are formed in the outermost layer of the wear-resistant layer. Compared with the prior art, the utility model has the beneficial effects that the contact area between the wear-resistant layer and the outer surface of the inner core is increased by arranging the plurality of pits on the outer surface of the steel core, so that the adhesion force between the wear-resistant layer and the inner core is stronger, the wear-resistant layer and the inner core are not easy to fall off, and finally, the abrasive particle pits are formed outside the wear-resistant layer in the same way, and when wire cutting is carried out, the abrasive particles in the cutting fluid can be hidden in the abrasive particle pits, so that the abrasive particles are more contacted with a workpiece, and the cutting effect is improved.

Description

Wear-resistant composite yarn

Technical Field

The utility model relates to the technical field of composite yarn production, in particular to a wear-resistant composite yarn.

Background

In machining, wire cutting is at an important position, and the principle of wire cutting is to reciprocate a metal wire relative to a cut workpiece, and the workpiece can be cut by continuously adding a cutting fluid mixed with abrasive materials between the metal wire and the workpiece.

The metal wire is generally the steel core, and the outside can effectively increase its wearability of metal wire through multilayer composite coating's setting, improves the life of metal wire like this, at present, but in carrying out the coating processing, because the outside oxide layer of steel wire is handled uncleanly, or the steel wire avoids having some impurity, can all lead to the steel wire to carry out the coating after, the problem that produces to break away easily between local coating and the steel wire appears, once the part produces to break away from, under high-speed cutting, the face of breaking away from can progressively enlarge and lead to the steel core impaired, and then lead to the broken wire.

Disclosure of Invention

The utility model aims to provide a wear-resistant composite wire to solve the defects in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the wear-resistant composite wire comprises an inner core, wherein a plurality of pits are formed in the outer circumferential surface of the inner core, a wear-resistant layer is arranged outside the inner core, and a plurality of abrasive particle pits are formed in the outermost layer of the wear-resistant layer.

Preferably, the wear-resistant layer comprises a first penetrating layer, a first functional layer, a second penetrating layer, a second functional layer and a grinding material layer which are sequentially arranged from inside to outside.

Preferably, the first functional layer is provided as a nickel alloy coating, and the thickness of the nickel alloy coating is 1-3un.

Preferably, the second functional layer is provided with a tungsten carbide alloy layer, and the thickness of the tungsten carbide alloy layer is 0.5-1um.

Preferably, the abrasive layer is provided as diamond particles, which are distributed outside the second functional layer.

Preferably, the plurality of pits are distributed on the inner core in an unordered manner, and the abrasive particle pits and the pits are in one-to-one correspondence.

Compared with the prior art, the utility model has the beneficial effects that: the wear-resistant composite yarn comprises: through setting up a plurality of pit at the surface of steel core, increased the area of contact of wearing layer and inner core surface, wearing layer and inner core's adhesive force is stronger like this, is difficult for droing more, and finally in the outside abrasive particle hole that forms equally of wearing layer, when carrying out the line cutting, the interior abrasive particle of cutting fluid can hide in the abrasive particle hole, and abrasive particle and work piece contact are more like this, have promoted the cutting effect.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all of the features of the disclosed technology.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an enlarged structure at A according to an embodiment of the present utility model;

fig. 3 is a schematic diagram of a pit structure according to an embodiment of the present utility model.

In the figure: 10. an inner core; 11. a first penetration layer; 12. a first functional layer; 13. a second infiltration layer; 14. a second functional layer; 15. a grinding material layer; 16. pit; 17. abrasive particle pits.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.

Unless defined otherwise, technical or scientific terms used in this disclosure should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the terms "comprising" or "includes" and the like in this disclosure is intended to cover an element or article listed after that term and equivalents thereof without precluding other elements or articles. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

Referring to fig. 1-3, the present utility model provides a technical solution: the wear-resistant composite wire comprises an inner core 10, wherein a plurality of pits 16 are formed in the outer circumferential surface of the inner core 10, a wear-resistant layer is arranged outside the inner core 10, and a plurality of abrasive particle pits 17 are formed in the outermost layer of the wear-resistant layer. The pit 16 is processed on the inner core 10, so that the area of the outer surface of the inner core 10 is increased, more contact connection is obtained between the wear-resistant layer and the inner core 10, the connection between the wear-resistant layer and the inner core 10 is tighter, the falling off of the wear-resistant layer is greatly reduced, meanwhile, due to the arrangement of the pit 16, the outmost part of the wear-resistant layer is also sunken to form the abrasive particle pit 17, in high-speed wire cutting, the composite wire is in high-speed movement, the composite wire is in contact with a workpiece, and abrasive particles in cutting fluid can be hidden in the abrasive particle pit 17, so that the contact between the abrasive particles and the workpiece is more, and the cutting effect is improved.

The wear-resistant layer comprises a first penetrating layer 11, a first functional layer 12, a second penetrating layer 13, a second functional layer 14 and an abrasive layer 15 which are sequentially arranged from inside to outside. The outer surface of the inner core 10 is reinforced by the first infiltration layer 11 in an ion infiltration manner, so that the surface stability of the inner core 10 is ensured when the first functional layer 12 is attached, and the same arrangement of the second infiltration layer 13 ensures that the outer surface of the first functional layer 12 is sufficiently stable.

Preferably, the first functional layer 12 is provided as a nickel alloy coating having a thickness of 1-3un. The tensile strength of the inner core 10 is increased by the nickel alloy coating, and the deformation of the composite wire under high-speed traction is ensured to be small.

The second functional layer 14 is provided with a tungsten carbide alloy layer having a thickness of 0.5-1um. The tungsten carbide alloy layer has higher wear resistance, so that the abrasion layer 15 is separated in time and locally, the tungsten carbide alloy layer can still be worn for a longer time, and the composite wire is prevented from being broken due to abrasion.

The abrasive layer 15 is provided as diamond particles which are distributed outside the second functional layer 14. The diamond particles contact the workpiece to perform cutting.

A plurality of pits 16 are distributed on the inner core 10 in a non-sequential manner, and the abrasive pits 17 are in one-to-one correspondence with the pits 16. Through the arrangement of the pits 16, the abrasive particle pits 17 are formed in the wear-resistant layer, and during cutting, abrasive particles in cutting fluid can be hidden in the abrasive particle pits 17, so that the abrasive particles are more in contact with a workpiece, and the cutting effect is improved.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. A wear resistant composite wire comprising an inner core (10), characterized in that: the outer circumferential surface of the inner core (10) is provided with a plurality of pits (16), the outer part of the inner core (10) is provided with a wear-resistant layer, and the outermost layer of the wear-resistant layer is provided with a plurality of abrasive particle pits (17).

2. A wear resistant composite yarn as claimed in claim 1, wherein: the wear-resistant layer comprises a first penetrating layer (11), a first functional layer (12), a second penetrating layer (13), a second functional layer (14) and an abrasive layer (15) which are sequentially arranged from inside to outside.

3. A wear resistant composite yarn as claimed in claim 2, wherein: the first functional layer (12) is arranged as a nickel alloy coating, and the thickness of the nickel alloy coating is 1-3um.

4. A wear resistant composite yarn as claimed in claim 2, wherein: the second functional layer (14) is arranged as a tungsten carbide alloy layer, and the thickness of the tungsten carbide alloy layer is 0.5-1um.

5. A wear resistant composite yarn as claimed in claim 2, wherein: the abrasive layer (15) is arranged as diamond particles, which are distributed outside the second functional layer (14).

6. A wear resistant composite yarn as claimed in claim 1, wherein: the pits (16) are distributed on the inner core (10) in an unordered manner, and the abrasive particle pits (17) are in one-to-one correspondence with the pits (16).