阅读说明：本技术 一种印花机高强度芳纶印花导带 (High-strength aramid fiber printing guide belt of printing machine ) 是由 胡照友 于 2020-05-26 设计创作，主要内容包括：本发明公开了一种印花机高强度芳纶印花导带,所述制备方法如下：步骤一：材料准备：导带用布料基材；基材采用底层布、芳纶布、网格布；步骤二：布料裁切：底层布、网格布按8%缩率下料,芳纶布按5‰缩率下料；步骤三：分层压合：每2层进行压合；步骤四：做接头：自动打齿、熨平、涂粘合剂、固定接头；步骤五：覆面胶：将压延好的的胶片均匀覆在结构布表面,进行低温压实；步骤六：硫化：将覆好胶片成型好的导带进行硫化；本发明,在13-17MPa压力下,温度110-130℃下每2层进行压合,层间结合不用胶水粘合,导带不易分层；采用挤出压延的方式生产的芳纶印花导带,密度大,耐温高,表面更平整；导带结构更致密,更耐腐蚀；降低了分子流动性,接口更牢固。(The invention discloses a high-strength aramid fiber printing conduction band of a printing machine, which comprises the following steps: the method comprises the following steps: preparing materials: a fabric substrate for a conduction band; the base material adopts bottom cloth, aramid cloth and grid cloth; step two: cutting the cloth: blanking the bottom layer cloth and the grid cloth according to 8% of shrinkage, and blanking the aramid fiber cloth according to 5% of shrinkage; step three: layering and laminating: laminating every 2 layers; step four: preparing a joint: automatic tooth punching, ironing, adhesive coating and joint fixing; step five: coating with glue: uniformly covering the rolled rubber sheet on the surface of the structural cloth, and compacting at low temperature; step six: and (3) vulcanization: vulcanizing the formed conduction band covered with the rubber sheet; in the invention, every 2 layers are pressed at the temperature of 110-130 ℃ under the pressure of 13-17MPa, the interlayer bonding is not bonded by glue, and the conduction band is not easy to delaminate; the aramid fiber printing conduction band produced by adopting an extrusion calendering mode has high density, high temperature resistance and smoother surface; the conduction band structure is more compact and more corrosion resistant; the fluidity of molecules is reduced, and the interface is firmer.)

1. The utility model provides a calico printing machine high strength aramid fiber printing conduction band which characterized in that: the preparation method comprises the following steps:

the method comprises the following steps: preparing materials: a fabric substrate for a conduction band; the base material adopts bottom cloth, aramid cloth and grid cloth;

step two: cutting the cloth: blanking the bottom layer cloth and the grid cloth according to 8% of shrinkage, and blanking the aramid fiber cloth according to 5% of shrinkage;

step three: layering and laminating: laminating every 2 layers;

step four: preparing a joint: automatic tooth punching, ironing, adhesive coating and joint fixing;

step five: coating with glue: uniformly covering the rolled rubber sheet on the surface of the structural cloth, and compacting at low temperature;

step six: and (3) vulcanization: vulcanizing the formed conduction band covered with the rubber sheet;

step seven: polishing: and (5) polishing to a standard thickness by using an automatic polishing machine.

2. The high-strength aramid printing conduction band of the printing machine as claimed in claim 1, characterized in that: in the step one, the bottom layer cloth is 1 layer, the aramid fiber cloth is 1 layer, the grid cloth is 2 layers, and the aramid fiber cloth is a strong layer of the printing conduction band.

3. The high-strength aramid printing conduction band of the printing machine as claimed in claim 1, characterized in that: in the third step, laminating is carried out on each 2 layers at the temperature of 110-130 ℃ under the pressure of 13-17 MPa.

4. The high-strength aramid printing conduction band of the printing machine as claimed in claim 1, characterized in that: in the fourth step, the surface of the substrate needs to be leveled before applying the adhesive.

5. The high-strength aramid printing conduction band of the printing machine as claimed in claim 4, wherein: the construction temperature for coating the adhesive is 1-38 ℃.

6. The high-strength aramid printing conduction band of the printing machine as claimed in claim 1, characterized in that: in the sixth step, the formed conduction band covered with the rubber sheet is vulcanized for 25-35min at the temperature of 140-160 ℃.

Technical Field

The invention belongs to the technical field of printing guide belts, and particularly relates to a high-strength aramid fiber printing guide belt of a printing machine.

Background

Different from the traditional rubber conduction band, the new generation of printing conduction band strong layer adopts Polyester material or Aramid fiber material. Aramid printing conduction band characteristics: aramid fiber material: the flat screen is suitable for double-motor servo transmission, and has a long guide belt, and the length of the guide belt is over 45 meters generally.

The existing printing conduction band has the problems of low strength, unevenness and conduction band layering during preparation.

In order to increase the strength and the flatness of the printing conduction band and reduce the layering of the conduction band, a high-strength aramid fiber printing conduction band of a printing machine is provided.

Disclosure of Invention

The invention aims to provide a high-strength aramid fiber printing guide belt of a printing machine, and aims to solve the problems of low strength, unevenness and guide belt layering existing in the preparation of the conventional aramid fiber printing guide belt in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a high-strength aramid fiber printing conduction band of a printing machine is prepared by the following steps:

the method comprises the following steps: preparing materials: a fabric substrate for a conduction band; the base material adopts bottom cloth, aramid cloth and grid cloth;

step two: cutting the cloth: blanking the bottom layer cloth and the grid cloth according to 8% of shrinkage, and blanking the aramid fiber cloth according to 5% of shrinkage;

step three: layering and laminating: laminating every 2 layers;

step four: preparing a joint: automatic tooth punching, ironing, adhesive coating and joint fixing;

step five: coating with glue: uniformly covering the rolled rubber sheet on the surface of the structural cloth, and compacting at low temperature;

step six: and (3) vulcanization: vulcanizing the formed conduction band covered with the rubber sheet;

step seven: polishing: and (5) polishing to a standard thickness by using an automatic polishing machine.

As a preferable technical scheme, in the step one, 1 layer of bottom layer cloth, 1 layer of aramid cloth and 2 layers of grid cloth are adopted, and the aramid cloth is a strong layer of the printing conduction band.

As a preferable technical scheme of the invention, in the third step, the lamination is carried out on each 2 layers at the temperature of 110-130 ℃ under the pressure of 13-17 MPa.

In the fourth step, it is necessary to level the surface of the substrate before applying the adhesive.

As a preferable technical scheme of the invention, the construction temperature of the coating adhesive is 1-38 ℃.

In the sixth step, the formed conduction band covered with the rubber sheet is vulcanized for 25-35min at the temperature of 140-160 ℃.

Compared with the prior art, the invention has the beneficial effects that:

(1) laminating every 2 layers at the temperature of 110-130 ℃ under the pressure of 13-17MPa, wherein the interlayer bonding is not bonded by glue, and the conduction band is not easy to delaminate;

(2) the aramid fiber printing conduction band produced by adopting an extrusion calendering mode has high density, high temperature resistance and smoother surface; the conduction band structure is more compact and more corrosion resistant; the fluidity of molecules is reduced, and the interface is firmer.

Drawings

FIG. 1 is a flow chart of the preparation of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described 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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.