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Making process of silicone rubber seal-ring

A manufacturing method and technology of silicone rubber, applied in the direction of household components, household appliances, other household appliances, etc., can solve the problems of high cost, slow production efficiency, easy to be broken, etc., achieve high tensile strength, low process cost, Good quality product

Active Publication Date: 2009-06-24
DONGGUAN SUNTRACK WIRE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Silicone rubber sealing rings are widely used in daily life and industrial production. The existing silicone rubber sealing rings in the traditional market are all extruded by a molding machine, and the cost of this process is high and the production efficiency is slow.
In addition, the sealing ring processed by the integral molding process of the molding machine is relatively easy to be broken, so the use of this process will affect the quality of the product

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0011] The present invention comprises the following steps:

[0012] After the silicone rubber is added to the vulcanizing agent, it is rolled evenly by the open mill and then sent to the extruder to extrude the silicone rubber strip;

[0013] Then the extruded silicone rubber strips are collected after being baked in a baking tunnel, and then put into an oven for static baking. The temperature of the baking tunnel is 300°C-600°C, and the time for the silicone rubber strips to pass through the baking tunnel is 10- 60 seconds, the temperature of the oven is 180°C-200°C, bake for 2-4 hours;

[0014] Then cut the baked silicone rubber strip into the required length, surround it into a circle, and apply liquid silicone rubber at the cutting edge, then put it into the connecting mold, and put the mold into a small vulcanizing machine for vulcanization. The temperature of the above vulcanizer is 130°C-180°C, the vulcanization time is 50-80 seconds, and the two cuts are connected to...

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PUM

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Abstract

The present invention relates to the manufacture method of silicon rubber sealing ring, the present invention uses extruder to extrude silicon rubber strip first, then through baking treatment, encloses circle after cutting, coats liquid silicon rubber on joint, and then carries out Vulcanization and baking treatment make the silicone rubber strip form a silicone rubber sealing ring, and the silicone rubber sealing ring adopts the same material to connect; through the finished product experiment, the silicone rubber sealing ring produced by the manufacturing process of the present invention has greater resistance Tensile strength, and the strength of the joint is greater than that of other positions; the present invention has the advantages of lower cost, better product quality, and higher production efficiency.

Description

Technical field: [0001] The invention relates to a method for manufacturing a silicone rubber sealing ring. Background technique: [0002] Silicone rubber sealing rings are widely used in daily life and industrial production. The existing silicone rubber sealing rings in the traditional market are all extruded by a molding machine, and the cost of this process is high and the production efficiency is slow. . In addition, the sealing ring processed by the integral molding process of the molding machine is relatively easy to be broken, so the use of this process will affect the quality of the product. Invention content: [0003] The object of the present invention is to provide a method for manufacturing a silicone rubber sealing ring in view of the deficiencies in the prior art, so as to save costs, improve product quality, and increase production efficiency. [0004] To achieve the above object, the present invention adopts the following technical solutions: [0005] It...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29D31/00B29B13/06B29C35/02B29K19/00B29D99/00
Inventor 李厚昌
Owner DONGGUAN SUNTRACK WIRE