Technology for spraying rubber sealing strip on line

A technology of rubber sealing strip and process, which is applied in the direction of coating, liquid coating device on the surface, surface pretreatment, etc., can solve the problems of large investment and high production cost, achieve reasonable process steps, reduce equipment investment, simplify The effect of the production process

Inactive Publication Date: 2010-08-11
HEBEI XINHUA RUBBER SEALING GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The mature process of online spraying is to use corona or plasma to treat the surface of the product after the product is vulcanized, and then perform high-temperature curing after spraying, but it needs to be equipped with surface treatment equipment and hot air curing furnace in the extrusion production line, which requires a lot of investment. high production cost

Method used

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  • Technology for spraying rubber sealing strip on line

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Effect test

Embodiment 1

[0018] Rubber sealing strip online spraying process of the present invention, this technique is positioned between the microwave vulcanization operation of rubber sealing strip and the hot air vulcanization operation, and this technique comprises the following steps: 1) prepare materials, prepare required curing agent, water, coating; 2 ) Stir in the early stage, fully stir the paint before batching, check whether the paint has hard lumps at the bottom, stir the paint with a blade agitator for 8 minutes, and only after stirring evenly can the batching be carried out according to the proportioning requirements; 3) batching, the weight of each batching The numbers are: 7 parts of curing agent, 10 parts of water, and 100 parts of paint. If it is too thick, add water in an appropriate amount; 4) Fully stir the measured curing agent and water for 5 minutes, so that the curing agent is completely dispersed in water to form a curing agent mixture. 5) Slowly add the curing agent mixtur...

Embodiment 2

[0020] Rubber sealing strip online spraying process of the present invention, this technique is positioned between the microwave vulcanization operation of rubber sealing strip and the hot air vulcanization operation, and this technique comprises the following steps: 1) prepare materials, prepare required curing agent, water, coating; 2 ) Stirring in the early stage, fully stir the paint before batching, check whether the paint has hard lumps at the bottom, stir the paint with a blade agitator for 10 minutes, and only after stirring evenly can the batching be carried out according to the proportioning requirements; 3) batching, the weight of each batching The numbers are: 8 parts of curing agent, 12 parts of water, and 100 parts of paint. If it is too thick, add water in an appropriate amount; 4) Fully stir the measured curing agent and water for 8 minutes, so that the curing agent is completely dispersed in water to form a curing agent mixture. ; 5) Slowly add the curing agent...

Embodiment 3

[0022] Rubber sealing strip online spraying process of the present invention, this technique is positioned between the microwave vulcanization operation of rubber sealing strip and the hot air vulcanization operation, and this technique comprises the following steps: 1) prepare materials, prepare required curing agent, water, coating; 2 ) Stir in the early stage, fully stir the paint before batching, check whether the paint has hard lumps at the bottom, stir the paint with a blade agitator for 12 minutes, and only after stirring evenly can the batching be carried out according to the proportioning requirements; 3) batching, the weight of each batching The numbers are: 10 parts of curing agent, 15 parts of water, and 100 parts of paint. If it is too thick, add water in an appropriate amount; 4) Fully stir the measured curing agent and water for 10 minutes to completely disperse the curing agent in water to form a curing agent mixture. 5) When the coating is stirred, slowly add t...

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Abstract

The invention discloses technology for spraying a rubber sealing strip on line and relates to rubber spraying technology. The technology is performed between a microwave curing process and a hot air curing process of the rubber sealing strip and comprises the following steps: 1) preparing materials; 2) performing earlier stage stirring; burdening the following components in part by weight: 7 to 10 parts of curing agent, 10 to 15 parts of water and 100 parts of dope; 4) fully stirring the curing agent and the water for 5 to 10 minutes to form a curing agent mixture; 5) slowly adding the dispersed curing agent mixture into the dope under a stirring condition and stirring the mixture for at least 15 minutes to form a dope mixture; 6) spraying: spraying the confected dope mixture on the rubber sealing strip, wherein a spraying temperature is controlled between 80 and 110 DEG C; and 7) curing: placing the sprayed rubber sealing strip into a hot air curing cage at the temperature of between 80 and 240 DEG C and curing the sprayed rubber sealing strip for at least 3 to 30 minutes. The technology has the advantages of effectively simplifying production process flow, enhancing production efficiency and lowering production cost.

Description

【Technical field】 [0001] The invention relates to the field of manufacturing rubber fittings, in particular to a rubber spraying process. 【Background technique】 [0002] There are usually two spraying methods in the industry for the spraying process of rubber sealing strips, one is the traditional off-line manual spraying, and the other is the online automatic spraying adopted by more and more manufacturers. There are many offline spraying processes and human factors, and the stability of product quality is difficult to guarantee; compared with offline manual spraying, the online automatic spraying method has a more uniform film thickness, a firmer film formation, better adhesion, and a more natural and beautiful gloss. , the quality is more stable, the waste of spraying materials and labor costs is less, the cost is lower, and the quality is more stable. Coupled with the trust of automotive OEMs in the quality assurance of online spraying and the mandatory requirements for...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05D7/02B05D3/00B05D3/02
Inventor 柯尊生
Owner HEBEI XINHUA RUBBER SEALING GROUP
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