CN210066045U

CN210066045U - Novel steel cord

Info

Publication number: CN210066045U
Application number: CN201920847198.5U
Authority: CN
Inventors: 姚刚强; 李国胜; 付靖伟
Original assignee: HUBEI FUXING NEW MATERIAL TECHNOLOGY Co Ltd
Current assignee: HUBEI FUXING NEW MATERIAL TECHNOLOGY Co Ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-02-14
Anticipated expiration: 2029-06-06

Abstract

The utility model discloses a novel steel cord, including center wire and outer silk, the outside parcel of center wire has the internal thread, and the outside parcel of internal thread has the outer silk, first recess has been seted up to the surface of internal thread, the second recess has been seted up to the surface of outer silk. This novel steel cord adopts DTA equipment one shot forming, furthest reduces the intermediate flow and changes, improve production efficiency, product property ability all satisfies the tire requirement simultaneously, play important role to the lightweight of tire, and the center wire of three kinds of different diameters has been adopted, the design of internal thread and external silk, it is little to make whole diameter and linear density, the breaking force is high simultaneously, shock resistance is high, and stand wear and tear, fatigue capacity, and the multilayer strand, intensive cord, and the steel wire diameter differs before layer and layer, product glue permeability is good, and first recess and second recess have been seted up, make the device further improve holistic glue permeability and shock resistance high.

Description

Novel steel cord

Technical Field

The utility model relates to a steel cord technical field specifically is a novel steel cord.

Background

The general production structure of the steel cord is 3+9+15 x 0.22+0.15, the structural product is used for both a tire body and a belt ply in the tire, three devices of DTS \ DTA \ WL are adopted for forming a stranded rope step by step in three times, the process is long, the control difficulty of the production process is high, more tail waste filaments are generated in the production process, the linear density of the steel cord is 8.5g/m, the unit length mass is high, 0.25+6+12 x 0.225HT is adopted for replacing 3+9+15 x 0.22+0.15 steel cord in the subsequent process, the stranded rope of the structural steel cord is formed by two times through DTS devices, the process is reduced, the model is single, the product flow is reduced, the production efficiency is improved, the production cost is reduced, the breaking force can meet the tire requirement, the linear density of the steel cord is 6.14g/m, and the material consumption of one tire is reduced by 27.8%.

The novel steel cord product is used for replacing a 0.25+6+12 x 0.225HT steel cord product, the structural steel cord is formed in one step by DTA equipment, no middle circulation exists, the machine type is single, the production efficiency is high, the production cost is reduced to the minimum, compared with a 0.25+6+12 x 0.225HT steel cord, the diameter and the linear density of the 0.17+5 x 0.215+10 x 0.235CCST steel cord are small (only 5.08 g/m), the shock resistance is high, the wear resistance and the fatigue resistance are high, the breaking force is equivalent to the glue seepage performance, the novel steel cord product is used for an all-steel truck radial tire carcass instead of the 0.25+6+12 x 0.225HT steel cord, the material consumption of the same tire is reduced by 17.3% (compared with the material consumption of the 3+9+15 x 0.22+0.15 HT steel cord is reduced by 40%), the light weight of the tire is facilitated, and the cost can be reduced while the performance is improved.

Disclosure of Invention

An object of the utility model is to provide a novel steel cord to solve the steel cord production process many on the current market that above-mentioned background art provided, manufacturing cost is high and the heavier problem of whole weight.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel steel cord, includes central silk and outer silk, the outside parcel of central silk has the internal thread, and the outside parcel of internal thread has the outer silk, first recess has been seted up to the surface of internal thread, the second recess has been seted up to the surface of outer silk.

Preferably, the diameter of the central wire is 0.17mm, and the central wire, the inner wire and the outer wire are all made of steel wires.

Preferably, the inner wire is equiangularly provided with 5 about a center line of the central wire, and has a diameter of 0.215mm, and the inner wire is twisted and wound outside the central wire.

Preferably, the outer filaments are arranged at 10 equiangular positions with respect to the center line of the central filament, the diameter of the outer filament is 0.235mm, and the outer filament is twisted and wound outside the inner filament.

Preferably, the first groove is symmetrically arranged about the center line of the inner wire, the groove depth and the width of the first groove are both smaller than those of the second groove, and the second groove is symmetrically arranged about the center line of the outer wire.

Compared with the prior art, the beneficial effects of the utility model are that: this novel steel cord adopts DTA equipment one shot forming, furthest reduces the intermediate flow and changes, improve production efficiency, product property ability all satisfies the tire requirement simultaneously, play important role to the lightweight of tire, and the center wire of three kinds of different diameters has been adopted, the design of internal thread and external silk, it is little to make whole diameter and linear density, the breaking force is high simultaneously, shock resistance is high, and stand wear and tear, fatigue capacity, and the multilayer strand, intensive cord, and the steel wire diameter differs before layer and layer, product glue permeability is good, and first recess and second recess have been seted up, make the device further improve holistic glue permeability and shock resistance high.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the internal thread of the present invention;

fig. 3 is a schematic view of the cross-sectional structure of the external thread of the present invention.

In the figure: 1. a central wire; 2. internal thread; 3. external silk; 4. a first groove; 5. a second groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a novel steel cord, includes central silk 1, internal thread 2, outer silk 3, first recess 4 and second recess 5, and the outside parcel of central silk 1 has internal thread 2, and the outside parcel of internal thread 2 has outer silk 3, and first recess 4 has been seted up to the surface of internal thread 2, and second recess 5 has been seted up to the surface of outer silk 3.

The diameter that central silk 1 was for is 0.17mm, and central silk 1, interior silk 2 and outer silk 3 three are the steel wire material, ensure the intensity of device.

The isogonism of the central line of the internal thread 2 about the central thread 1 is provided with 5, and the diameter of the internal thread 2 is 0.215mm, and the internal thread 2 is twisted and wound outside the central thread 1, the central thread 1 and the internal thread 2 with different diameters are adopted, and the internal thread 2 is used for forming a first reinforcing layer, so that the overall strength and the glue permeation performance are increased, and the shock resistance of the device is further increased.

The central line isogonism of outer silk 3 about central silk 1 is provided with 10, and the diameter of outer silk 3 is 0.235mm, and outer silk 3 plying winding is in the 2 outsides of internal thread, the outer silk 3 of different diameters has been adopted, thereby can and internal thread 2 between form great clearance, further increase holistic infiltration glue performance, and the whole steel wire that has adopted three kinds of different diameters makes up, thereby improve holistic wearability, fatigue ability is strong, breaking force and infiltration glue performance are good.

First recess 4 sets up about the central line symmetry of internal thread 2, and the groove depth and the width of first recess 4 all are less than second recess 5 groove depth and width, and second recess 5 sets up about the central line symmetry of outer silk 3, first recess 4 and second recess 5 have been seted up respectively on the surface of internal thread 2 and outer silk 3, this process only needs to change the structure of drawing wire mouth when the wire drawing shaping and just can accomplish the shaping operation of steel wire and recess, normal process is not influenced, and owing to increased first recess 4 and second recess 5, make the device at the in-process of in-service use, can very big increase whole and tire rubber's area of contact, very big improvement holistic infiltration performance, increase holistic shock resistance, improve holistic anti breaking force.

The working principle is as follows: when using this novel steel cord, at first, combine fig. 1 to show, at first lay the tire with whole steel cord installation, then as shown in fig. 1, the whole steel cord of rubber meeting infiltration of tire, combine fig. 2 to show, its rubber can permeate in the first recess 4 of internal thread 2, increase whole area of contact with rubber, simultaneously as shown in fig. 3, rubber also can permeate in the second recess 5 of external thread 3, further increase whole area of contact with rubber, thereby greatly increased holistic shock resistance, improve wear resistance, fatigue resistance is strong, the power failure performance is good, and have good cementation of cement performance.

To thereby carry out a series of tasks, the contents of which are not described in detail in the present specification are prior art well known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A new steel cord comprising a central filament (1) and an outer filament (3), characterized in that: the outer side of the central wire (1) is wrapped with the inner wire (2), the outer side of the inner wire (2) is wrapped with the outer wire (3), a first groove (4) is formed in the outer surface of the inner wire (2), and a second groove (5) is formed in the outer surface of the outer wire (3).

2. A new steel cord according to claim 1, characterized in that: the diameter of the central wire (1) is 0.17mm, and the central wire (1), the inner wire (2) and the outer wire (3) are all made of steel wires.

3. A new steel cord according to claim 1, characterized in that: the inner wires (2) are arranged at equal angles relative to the central line of the central wire (1) by 5, the diameter of each inner wire (2) is 0.215mm, and the inner wires (2) are twisted and wound on the outer side of the central wire (1).

4. A new steel cord according to claim 1, characterized in that: the outer wire (3) is arranged at 10 equal angles relative to the central line of the central wire (1), the diameter of the outer wire (3) is 0.235mm, and the outer wire (3) is twisted and wound on the outer side of the inner wire (2).

5. A new steel cord according to claim 1, characterized in that: the first groove (4) is symmetrically arranged relative to the central line of the inner wire (2), the depth and the width of the first groove (4) are smaller than those of the second groove (5), and the second groove (5) is symmetrically arranged relative to the central line of the outer wire (3).