阅读说明：本技术 环保型离合器面片胶线二步法生产工艺 (Two-step method production process of environment-friendly clutch facing rubber wire ) 是由 蔡仁华 于 2020-05-26 设计创作，主要内容包括：本发明公开了一种环保型离合器面片胶线二步法生产工艺,按如下步骤：S1制作复合纱线；S2将复合纱线经树脂液浸渍处理后进行烘干,树脂液由固体酚醛树脂20-40重量份,酒精60-80重量份组成,烘干温度为60-120℃,胶线挥发份控制在10-30%,制成树脂纱线；树脂纱线中树脂的含量占复合纱线重量5-20%；S3用胶片对树脂纱线在挤出机中进行包裹,制成胶线。本发明有如下的有益效果：不需要对橡胶、树脂等粘结剂进行溶解的工艺,节约汽油、苯酚等有机溶剂,生产过程安全、环保；同时不需要专门的大型烘干塔,节约燃料,采用本发明工艺能提高劳动生产率30%以上,离合器面片产品摩擦性能稳定、磨损率降低10%。(The invention discloses a two-step method production process of an environment-friendly clutch facing glue line, which comprises the following steps: s1, manufacturing a composite yarn; s2, impregnating the composite yarn with resin liquid and drying, wherein the resin liquid consists of 20-40 parts by weight of solid phenolic resin and 60-80 parts by weight of alcohol, the drying temperature is 60-120 ℃, and the volatile content of the glue line is controlled at 10-30% to prepare the resin yarn; the resin content in the resin yarn accounts for 5-20% of the weight of the composite yarn; s3, wrapping the resin yarn in an extruder by using a rubber sheet to prepare the rubber thread. The invention has the following beneficial effects: the process of dissolving the adhesives such as rubber, resin and the like is not needed, organic solvents such as gasoline, phenol and the like are saved, and the production process is safe and environment-friendly; meanwhile, a special large-scale drying tower is not needed, fuel is saved, the process can improve the labor productivity by more than 30 percent, the friction performance of the clutch facing product is stable, and the wear rate is reduced by 10 percent.)

1. The two-step process of producing environment friendly clutch facing glue line includes the following steps:

s1, manufacturing a composite yarn;

s2, impregnating the composite yarn with resin liquid and drying, wherein the resin liquid consists of 20-40 parts by weight of solid phenolic resin and 60-80 parts by weight of alcohol, the drying temperature is 60-120 ℃, and the volatile content of the glue line is controlled at 10-30% to prepare the resin yarn; the resin content in the resin yarn accounts for 5-20% of the weight of the composite yarn;

s3, wrapping the resin yarn in an extruder by using a rubber sheet to prepare the rubber thread.

2. The two-step production process of the environment-friendly clutch facing rubber wire as claimed in claim 1, wherein in step S1, the composite yarn is composed of 50-70 parts by weight of glass fiber, 15-30 parts by weight of acrylic fiber and 10-25 parts by weight of copper wire, wherein the copper wire is added during twisting, the twisted wire is a positive and negative twisted wire, and the twist is 50-100 twists.

3. The two-step method production process of the environmental-friendly clutch facing rubber wire according to claim 1, wherein in the step S3, the rubber sheet is prepared from the following raw materials in parts by weight: 9-16 parts of modified phenolic resin, 9-15 parts of styrene butadiene rubber, 10-17 parts of nitrile rubber, 8-12 parts of rubber additive, 7-12 parts of carbon black, 2-5 parts of antimony sulfide, 6-10 parts of flake graphite, 9-13 parts of calcium carbonate, 9-13 parts of barium sulfate and 8-12 parts of feldspar powder.

Technical Field

The invention relates to a production process of a clutch facing rubber wire.

Background

In the production process of the clutch facing, a glue line needs to be manufactured firstly, and then the manufacturing of the clutch facing is completed through the working procedures of blank winding, hot press molding, heat treatment, machining and the like.

The production process of the clutch facing glue line dissolving method is that the rubber, the resin and various friction performance regulators are dissolved by solvents such as gasoline, phenol and the like, and then the mixture is coated on various fiber materials to form the glue line, and meanwhile, a drying tower is used for carrying out the glue line drying process to finish the manufacture of the glue line of the clutch facing; the method has the main problems that a large amount of solvents such as gasoline are used, and the gasoline is volatile and combustible liquid, so that the problems of environmental protection and safety exist;

the one-time extrusion and glue wrapping process of the clutch facing glue line is that the compound yarn impregnated by resin liquid is directly wrapped by glue line in an extruder by using a glue sheet to prepare the glue line; there is a problem in that the performance of the clutch facing is unstable.

Disclosure of Invention

The invention provides a two-step method production process of an environment-friendly clutch facing rubber wire according to the defects.

The technical scheme of the invention is as follows:

an environment-friendly clutch facing glue line two-step production process comprises the following steps:

s1, manufacturing a composite yarn;

s2, impregnating the composite yarn with resin liquid and drying, wherein the resin liquid consists of 20-40 parts by weight of solid phenolic resin and 60-80 parts by weight of alcohol, the drying temperature is 60-120 ℃, and the volatile content of the glue line is controlled at 10-30% to prepare the resin yarn; the resin content in the resin yarn accounts for 5-20% of the weight of the composite yarn;

s3, wrapping the resin yarn in an extruder by using a rubber sheet to prepare the rubber thread.

The two-step method production process mainly refers to the process steps after the composite yarn is processed, and the two-step method does not contain the composite yarn.

The invention also needs to be explained in that the drying step of the composite yarn is added, so that the stability of the performance of the clutch facing product is ensured, and the wear resistance and the high temperature resistance of the clutch facing can be improved;

in the step S1, the composite yarn is composed of 50-70 parts by weight of glass fiber, 15-30 parts by weight of acrylic fiber and 10-25 parts by weight of copper wire, wherein the copper wire is added during twisting, the twisting adopts positive and negative twisting, and the twist is 50-100 twists;

in the step S3, the film is composed of the following raw materials in parts by weight: 9-16 parts of modified phenolic resin, 9-15 parts of styrene butadiene rubber, 10-17 parts of nitrile rubber, 8-12 parts of rubber additive, 7-12 parts of carbon black, 2-5 parts of antimony sulfide, 6-10 parts of flake graphite, 9-13 parts of calcium carbonate, 9-13 parts of barium sulfate and 8-12 parts of feldspar powder.

The invention has the following beneficial effects:

(1) the environment-friendly two-step process does not need a process for dissolving adhesives such as rubber, resin and the like, saves organic solvents such as gasoline, phenol and the like, and has safe and environment-friendly production process; meanwhile, a special large-scale drying tower is not needed, fuel is saved, and the technical problems of low drying efficiency of a drying tower rubber line and low efficiency of rubber line production in the prior art are solved, the process can improve the labor productivity by more than 30 percent, the friction performance of a clutch facing product is stable, and the wear rate is reduced by 10 percent

(2) Compared with the one-time extrusion coating process of the rubber thread, the one-time extrusion coating process of the invention ensures the stability of the performance of the clutch facing product due to the addition of proper drying of the composite yarn, and improves the wear resistance and high temperature resistance of the clutch facing;

(3) greatly reducing the labor intensity of operators.

The invention has the advantages of simple process, few steps, low cost, high production efficiency, safety and environmental protection, and the stability, wear resistance and high temperature resistance of the product processed by the invention are obviously improved.

Detailed Description