CN113790246A

CN113790246A - Heavy-load high-precision toothed belt

Info

Publication number: CN113790246A
Application number: CN202111087939.2A
Authority: CN
Inventors: 张鹏飞
Original assignee: Zhitian Industrial Technology Suzhou Co ltd
Current assignee: Zhitian Industrial Technology Suzhou Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2021-12-14

Abstract

The application discloses high-accuracy toothed belt of heavy load, its characterized in that: the method comprises the following steps: the base material and along the profile of tooth portion that the substrate surface interval set up, profile of tooth portion is by supreme base glue layer, the linear layer that stretches, the layer of excelling in, first compression glue film, horizontal casing ply, second compression glue film and the elasticity cloth layer of having set gradually down, the outside parcel on second compression glue film has the elasticity cloth layer. The heavy-load high-precision toothed belt has the advantages of small compressive stress, good flexibility, good fatigue resistance and long service life.

Description

Heavy-load high-precision toothed belt

Technical Field

The application relates to the technical field of transmission belts, in particular to a heavy-load high-precision toothed belt.

Background

With the development of mechanical transmission technology, toothed belts are more and more widely applied to various fields, and the existing toothed belts for power transmission have poor bending resistance and flexibility, low fatigue resistance, easy breakage, high failure rate and short service life in the operation process, influence the reliability of mechanical equipment, and increase the maintenance times and cost. And also causes potential safety hazards. It is therefore desirable to provide a toothed belt with better performance to solve the above problems.

Disclosure of Invention

The invention aims to provide a heavy-load high-precision toothed belt to overcome the defects in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a heavy-duty, high-precision toothed belt comprising: the base material and along the profile of tooth portion that the substrate surface interval set up, profile of tooth portion is by supreme base glue layer, the linear layer that stretches, the layer of excelling in, first compression glue film, horizontal casing ply, second compression glue film and the elasticity cloth layer of having set gradually down, the outside parcel on second compression glue film has the elasticity cloth layer.

Preferably, the thickness of the first layer of compressed glue is greater than the thickness of the second layer of compressed glue.

Preferably, the toothed belt includes a core wire made of glass fiber, and the core wire is embedded in the toothed belt body so as to extend in a longitudinal direction of the toothed belt body.

Preferably, the substrate layer is polymerized from a thermoplastic rubber comprising hydrogenated nitrile rubber as a component of the rubber.

Preferably, the section of the tooth-shaped part is of a trapezoidal structure, the height of the tooth-shaped part is 8mm, and the interval between adjacent tooth-shaped parts is 20 mm.

Preferably, the transverse cord fabric layer is formed by covering a plurality of transversely arranged aramid hard wires with rubber polymer.

Preferably, the strength layer is a composite layer and comprises a core rope structure layer and a particle filling layer, the core rope structure layer is a row of slurry dipping ropes, and the particle filling layer is arranged at the upper end and the lower end of the core rope structure layer and is used for filling gaps among the slurry dipping ropes.

Compared with the prior art, the heavy-load high-precision toothed belt has the advantages of small compressive stress, good flexibility, good fatigue resistance and long service life.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural view of a heavy duty high precision toothed belt according to an embodiment of the present invention;

wherein: 1. a substrate; 101. a core wire; 201. a base adhesive layer; 202. a linear stretching layer; 203 a strength layer; 204. a first compressed glue layer; 205. a transverse ply; 206. a second compressed glue layer; 207. an elastic cloth layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1, a heavy-duty high-precision toothed belt includes: substrate 1 and along the profile of tooth portion of substrate surface interval setting, profile of tooth portion is by lower supreme base glue layer 201, the linear layer 202 that stretches, the layer 203 that excels in, first compression glue film 204, horizontal ply 205, second compression glue film 206 and elasticity cloth layer 207 of having set gradually, the outside parcel of second compression glue film 206 has elasticity cloth layer 207.

In the technical scheme, the elastic cloth layer 207 is made of high-strength nylon elastic cloth, so that the wear resistance of the belt body is improved, and the service life is prolonged.

Preferably, the thickness of the first layer of compressed glue 204 is greater than the thickness of the second layer of compressed glue 206.

Preferably, the toothed belt includes a core wire 101 made of glass fiber, and the core wire 101 is embedded in the toothed belt main body so as to extend in a longitudinal direction of the toothed belt main body

Preferably, the substrate layer 1 is polymerized from a thermoplastic rubber comprising hydrogenated nitrile rubber as a component of the rubber.

In the technical scheme, the hydrogenated nitrile rubber has good oil resistance.

Preferably, the transverse ply 205 is composed of a rubber polymer covering several transversely disposed aramid hard wires.

In the technical scheme, the transverse cord fabric layer 205 preferably adopts ethylene propylene diene monomer rubber, aramid fiber and nylon 66 short fibers are added during mixing, so that the belt has higher strength, higher transverse rigidity and wear resistance, is not easy to deform and slip and keeps higher transmission efficiency.

Preferably, the strength layer 203 is a composite layer, and includes a core rope structure layer and a particle filling layer, the core rope structure layer is a row of slurry-impregnated cords, and the particle filling layer is disposed at the upper end and the lower end of the core rope structure layer and fills gaps between the slurry-impregnated cords.

In the technical scheme, by arranging the composite strong layer 203 structure, the particle filling layer is added on the basis of the existing strong layer, and gaps among the core ropes of the core rope structure layer are filled, so that the acting force applied to the core rope structure layer 201 during operation is buffered by rubber particles, and the fatigue fracture process of the ropes is delayed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely a detailed description of the present application, and it should be noted that modifications and embellishments could be made by those skilled in the art without departing from the principle of the present application, and these should also be considered as the protection scope of the present application.

Claims

1. The utility model provides a high-accuracy cogged belt of heavy load which characterized in that: the method comprises the following steps: the base material and along the profile of tooth portion that the substrate surface interval set up, profile of tooth portion is by supreme base glue layer, the linear layer that stretches, the layer of excelling in, first compression glue film, horizontal casing ply, second compression glue film and the elasticity cloth layer of having set gradually down, the outside parcel on second compression glue film has the elasticity cloth layer.

2. The heavy-duty high-precision toothed belt according to claim 1, characterized in that: the thickness of the first compression layer is greater than the thickness of the second compression layer.

3. The heavy-duty high-precision toothed belt according to claim 1, characterized in that: the toothed belt includes a core wire made of glass fiber, and the core wire is embedded in the toothed belt body so as to extend in a longitudinal direction of the toothed belt body.

4. The heavy-duty high-precision toothed belt according to claim 1, characterized in that: the substrate layer is polymerized from a thermoplastic rubber that contains hydrogenated nitrile rubber as a component of the rubber.

5. The heavy-duty high-precision toothed belt according to claim 1, characterized in that: the tooth-shaped parts are 8mm high, the interval between adjacent tooth-shaped parts is 20mm, and two side edges of the longitudinal section of each tooth-shaped part form an angle of 30 degrees.

6. The heavy-duty high-precision toothed belt according to claim 1, characterized in that: the transverse cord fabric layer is formed by covering a plurality of transversely arranged aramid hard wires with rubber polymerization.

7. The heavy-duty high-precision toothed belt according to claim 1, characterized in that: the strength layer is a composite layer and comprises a core rope structure layer and a particle filling layer, the core rope structure layer is a row of slurry dipping ropes, and the particle filling layer is arranged at the upper end and the lower end of the core rope structure layer and is used for filling gaps among the slurry dipping ropes.