CN212579318U - Wear-resistant belt - Google Patents

Abstract

The application discloses wear-resistant belt, including the annular area body, the laminating has the wear-resistant fabric layer of one deck on the inner ring lateral wall of the area body, the warp of wear-resistant fabric layer is parallel with the axial lead of the area body, wear-resistant fabric layer's latitudinal direction percentage of extension is greater than or equal to 250%, radial direction percentage of extension is greater than or equal to 150%. Through paste the wear-resisting fabric layer of one deck on the inner ring lateral wall of the area body, improve wear resistance, simultaneously, the wear-resisting fabric layer has good radial and weft shrinkage factor for the wear-resisting fabric layer has better life, avoids taking place elasticity in the belt use and elongates and the fracture, thereby better keeps the wholeness, has more lasting wear resistance and promotes.

Description

Wear-resistant belt

Technical Field

The application relates to the technical field of transmission belts, in particular to a wear-resistant belt.

Background

Chinese patent with publication number CN204041865U discloses a transmission belt, which comprises a belt body, wherein annular convex teeth matched with the outer peripheral surface of a transmission wheel are arranged on the inner wall surface of the belt body at intervals, a layer of transverse reinforcing rib is arranged in the belt body, two layers of annular reinforcing ribs are respectively arranged on the inner side and the outer side of the transverse reinforcing rib, the left end and the right end of the belt body are respectively inclined towards the inner wall surface to form an inclination angle of 5-15 degrees, and the inner surface and the outer surface of the belt body are wrapped with a wear-resistant fabric layer for increasing wear.

In the above prior art, the wear resistance of the transmission belt is improved by the design of coating the wear-resistant fabric layer outside the belt body, and the coated production is mainly applied to the V-shaped transmission belt, because the V-shaped transmission belt is finally vulcanized, the shape of the V-shaped transmission belt is already formed before vulcanization. The rectangular transmission belt is produced by the processes of multilayer fitting, vulcanization and cutting, and the rectangular transmission belt is higher in production efficiency and does not need to be installed on a die one by one like a V-shaped transmission belt.

Therefore, when the rectangular driving belt is designed by adopting the structure of the outer layer coating, the rectangular driving belt needs to be cut and molded firstly and then vulcanized, so that compared with the traditional production mode, the rectangular driving belt has great differentiation, needs to be replaced on a large scale, and further leads the production of the driving belt to become more complicated.

SUMMERY OF THE UTILITY MODEL

To the not enough that prior art exists, the purpose of this application is to provide a wear-resisting belt, it can accomplish production on the basis of existing equipment without increasing extra technology, and has good wear resistance.

The technical purpose of the application is realized by the following technical scheme:

the wear-resistant belt comprises an annular belt body, wherein a wear-resistant fabric layer is attached to the side wall of the inner ring of the belt body, the warp of the wear-resistant fabric layer is parallel to the axial lead of the belt body, the latitudinal stretching rate of the wear-resistant fabric layer is more than or equal to 250%, and the radial stretching rate of the wear-resistant fabric layer is more than or equal to 150%.

So set up, through pasting the wear-resisting fabric layer of one deck on the inner ring lateral wall of the area body, improve wear resistance, simultaneously, the wear-resisting fabric layer has good radial and weft shrinkage factor for the wear-resisting fabric layer has better life, avoids taking place elasticity in the belt use and elongates and the fracture, thereby better keeps the wholeness, has more lasting wear resistance and promotes.

More preferably: an adhesive layer is arranged between the wear-resistant fabric layer and the belt body.

So set up, realize being connected between wear-resisting fabric layer and the area body through the viscose layer.

More preferably: the side wall of the inner ring of the belt body is provided with annular convex teeth, and every two adjacent annular convex teeth are corrugated.

So set up, form the dogtooth and can have better axial positioning effect, can increase area of contact simultaneously for the belt is difficult for skidding more, and in addition, wear-resisting fabric layer also can have better firm in connection nature with the area body within a definite time.

More preferably: 0.2-0.5 of the thickness of the wear-resistant fabric layer is embedded into the belt body.

So set up, through vulcanizing, when forming the dogtooth, in the area body of impressing wear-resistant fabric layer, not only can strengthen wear-resistant fabric layer's intensity, can improve simultaneously and wear-resistingly put the thing groove and take the body effect under being connected between, ensure that wear-resistant fabric layer can not drop in the use, then can play the effect that increases the wearability.

More preferably: the weft stretching rate of the wear-resistant fabric layer is more than or equal to 300%, and the radial stretching rate is more than or equal to 200%.

So set up, under the prerequisite of embedding, can effectually ensure the fastness of being connected of wear-resisting fabric layer and area body, consequently, the radial and latitudinal direction stretch rate of wear-resisting fabric layer all can set up higher for the belt has longer life.

More preferably: the weave structure of the wear-resistant fabric layer is plain weave 360-.

So set up, ensure the longitude and latitude density of wear-resisting fabric layer, improve sufficient wear resistance.

More preferably: the weft yarns and the warp yarns of the wear-resistant fabric layer are all core-spun yarns, the core-spun yarns comprise core yarns and covering yarns covering the core yarns, the core yarns are spandex yarns, and the covering yarns are cotton yarns.

So set up, the structure of covering yarn makes warp and weft have better elasticity, and the core is made to spandex yarn in addition, can have better elasticity, and with the design of cotton yarn cladding spandex yarn, can ensure the wearability of warp and weft.

More preferably: the core yarn is 10-40D spandex yarn, and the cladding yarn is 40-80 count cotton yarn.

So set up, when guaranteeing elasticity, the cladding yarn can live the fine cladding of spandex yarn.

More preferably: the belt body comprises a tensile layer and a plurality of layers of rubber base layers, wherein the tensile layer is positioned between the two rubber base layers, the tensile layer is formed by spirally winding a cord along the axial lead direction of the belt body, and the rubber base layers and the tensile layer and the rubber base layers are bonded through viscose glue.

So set up, set up the tensile layer that the one deck was walked by the cotton rope winding in multilayer rubber-based layer for the belt can have better structural strength.

More preferably: the cord is a high-modulus low-shrinkage gummed polyester hard cord.

So set up, have better tensile strength.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

fig. 2 is a sectional view of the present embodiment, showing a cross-sectional structure of the belt.

In the figure, 100, the belt body; 110. a tensile layer; 120. a rubber base layer; 200. a wear resistant fabric layer.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

A wear-resistant belt, as shown in fig. 1, comprises a belt body 100 and a wear-resistant fabric layer 200, wherein the belt body 100 is in a circular ring structure, and the wear-resistant fabric layer 200 is attached to the inner side wall of the belt body 100.

Referring to fig. 2, the belt body 100 includes a tensile layer 110 and a plurality of rubber base layers 120, in this embodiment, the rubber base layers 120 are four layers as an example, the specific number of layers may be determined according to the requirements of the use parameters of the belt, and different thicknesses and different numbers of rubber base layers 120 may be selected.

The tensile layer 110 is located between the two rubber base layers 120, the two rubber base layers 120 are arranged outside the tensile layer 110, and the two rubber base layers 120 are arranged inside the tensile layer 110. The tensile layer 110 is formed by spirally winding a cord along the axial direction of the belt body 100, and the cord in this embodiment is a high modulus low shrinkage dip polyester hard cord.

The rubber base layers 120 and the tensile layer 110 and the rubber base layer 120 are bonded by adhesives, and the specific adhesives are conventional in the art and therefore are not specifically described in this embodiment.

An adhesive layer is disposed on the inner side of the innermost rubber base layer 120, and the wear-resistant fabric layer 200 is adhered to the belt body 100 through the adhesive layer. The warp of the wear-resistant fabric layer 200 is parallel to the axial line of the belt body 100, the latitudinal stretch rate of the wear-resistant fabric layer 200 is greater than or equal to 250%, the radial stretch rate is greater than or equal to 150%, preferably, the latitudinal stretch rate of the wear-resistant fabric layer 200 is greater than or equal to 300%, and the radial stretch rate is greater than or equal to 200%.

An annular convex tooth is formed on the side wall of the inner ring of the belt body 100 through vulcanization, every two adjacent annular convex teeth are corrugated, the wear-resistant fabric layer 200 is attached to the annular convex tooth, and the thickness of the wear-resistant fabric layer 200 is 0.2-0.5 embedded into the belt body 100 under the action of vulcanization.

The weave structure of the wear-resistant fabric layer 200 is plain weave fabric woven by a jacquard with 360 and 480 needles. The weft yarns and the warp yarns of the wear-resistant fabric layer 200 both adopt core-spun yarns, the core-spun yarns comprise core yarns and covering yarns, the covering yarns cover the core yarns, the core yarns are 10-40D spandex yarns, and the covering yarns are 40-80 cotton yarns.

A production process of a wear-resistant belt comprises the following steps:

s1, compounding multiple rubber base layers 120 into an annular belt blank, in the compounding process, a cord is wound on the outer side wall of one of the rubber base layers 120, the cord is wound on the rubber base layer 120 along the axial direction of the rubber base layer 120, and a tensile layer 110 is formed on the rubber base layer 120 by winding and covering.

The rubber base layers 120 and the tensile layers 110 are bonded by viscose glue, and the cord is wound on the rubber base layers 120 after passing through the viscose glue.

And S2, gluing, namely coating glue on the outer surface of the annular belt blank after compounding, spraying the glue on the outer surface of the annular belt blank, rotating the annular belt blank in the spraying process, and forming a glue layer with the thickness of less than 0.2mm on the surface of the annular belt blank by the glue.

S3, cloth sticking, wherein a layer of wear-resistant fabric layer 200 is bonded on the outer surface of the annular belt blank coated with glue, the wear-resistant fabric layer 200 is a cylindrical plain cloth which can be integrally woven and formed in a cylindrical manner or formed by sewing and connecting two ends of a plane cloth, and the cloth sticking is specifically determined according to the parameter requirements of the wear-resistant fabric layer 200, the parameters of the belt and the cost requirements.

S4, vulcanizing, namely putting the annular belt blank adhered with the wear-resistant fabric layer 200 into a vulcanizing mold, forming a plurality of annular convex teeth on the outer surface of the annular belt blank through vulcanizing high temperature and high pressure in the vulcanizing process, controlling pressure in the vulcanizing process to enable 0.2-0.6 of the thickness of the wear-resistant fabric layer 200 to be embedded into the outer side wall of the transmission belt drum, stretching the wear-resistant fabric layer 200 in the convex tooth forming process to form a gap, and forming the transmission belt drum after vulcanizing.

S5, cutting, namely cutting the vulcanized transmission belt drum according to the width of the belt;

and S6, turning, namely turning the inner side and the outer side of the cut belt, wherein the side where the wear-resistant fabric layer 200 is located is used as the inner side of the belt.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (10)

1. A wear-resistant belt comprising an endless belt body (100) characterized by: the wear-resistant fabric layer (200) is attached to the inner ring side wall of the belt body (100), the warp of the wear-resistant fabric layer (200) is parallel to the axial lead of the belt body (100), and the weft stretching rate and the radial stretching rate of the wear-resistant fabric layer (200) are respectively greater than or equal to 250% and greater than or equal to 150%.

2. A wear resistant belt as set forth in claim 1 wherein: an adhesive layer is arranged between the wear-resistant fabric layer (200) and the belt body (100).

3. A wear resistant belt as set forth in claim 2 wherein: the inner ring side wall of the belt body (100) is provided with annular convex teeth, and every two adjacent annular convex teeth are corrugated.

4. A wear resistant belt as set forth in claim 3 wherein: 0.2-0.5 of the thickness of the wear-resistant fabric layer (200) is embedded into the belt body (100).

5. A wear resistant belt as set forth in claim 4 wherein: the weft stretching rate of the wear-resistant fabric layer (200) is more than or equal to 300%, and the radial stretching rate is more than or equal to 200%.

6. A wear resistant belt as set forth in claim 5 wherein: the weave structure of the wear-resistant fabric layer (200) is plain weave 360-480 needles.

7. A wear resistant belt as set forth in claim 6 wherein: the weft yarns and the warp yarns of the wear-resistant fabric layer (200) are all core-spun yarns, the core-spun yarns comprise core yarns and covering yarns covering the core yarns, the core yarns are spandex yarns, and the covering yarns are cotton yarns.

8. A wear resistant belt as set forth in claim 7 wherein: the core yarn is 10-40D spandex yarn, and the cladding yarn is 40-80 count cotton yarn.

9. A wear resistant belt as set forth in claim 1 wherein: the belt body (100) comprises a tensile layer (110) and a plurality of rubber base layers (120), wherein the tensile layer (110) is located between the two rubber base layers (120), the tensile layer (110) is formed by spirally winding a thread rope along the axial lead direction of the belt body (100), and the rubber base layers (120) and the tensile layer (110) and the rubber base layers (120) are bonded through viscose glue.

10. A wear resistant belt as set forth in claim 9 wherein: the cord is a high-modulus low-shrinkage gummed polyester hard cord.

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