Method for using plastic thin film in automobile sealing strip connection
A technology for automotive sealing strips and plastic films, which is used in applications, household appliances, household components, etc., can solve the problems of long vulcanization time of rubber vulcanized joints, difficult to control the scope of applying glue, and poor product surface quality, so as to improve labor production. Efficiency, improve the performance of product joints, and ensure the effect of quality
Active Publication Date: 2013-04-10
湖北丰田合成正奥橡塑密封科技有限公司
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Problems solved by technology
[0002] At present, rubber vulcanized joints and glue vulcanized joints are mostly used in the joint process of automobile sealing strips (door frame products), and the vulcanized rubber joints take a long time to vulcanize, which consumes a lot of energy and human resources.
The glue vulcanized joint has insufficient tensile strength at the joint of the product, and it is easy to break at the joint; the range of glue application during the operation is not easy to control, which affects labor efficiency, and the glue is not easy to store; the surface quality of the product at the joint is poor, which affects the overall effect of the product
At present, neither of the two joints can well meet the large-scale production needs of enterprises.
Method used
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[0008] Such as figure 1 As shown, the application method of a kind of plastic film of the present invention in the joint of automobile sealing strip, after installing mold 3 and plastic film 1 on the plastic film joint machine, the equipment heats up, and the set temperature is 270°C-290°C in winter, and 210°C-210°C in summer. 230°C; open the mold and insert the profile bar 4 and then close the mold, the heating plate 2 rises and contacts the two sections of the profile bar 4, and preheats for 35 seconds; Movement in the middle, at this time, the strip 4 is in contact with the plastic film 1; after 10 seconds of contact between the strip 4 and the plastic film 1, the plastic film 1 rises, and the contact between the strip 4 and the film 1 breaks naturally; after the heating continues for 20 seconds, the mold is opened ;Take out the strip 4. The present invention uses plastic film (PE) in the joint of automobile sealing strip (car door frame products), replaces the glue and ru...
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The invention provides a method for using a plastic thin film in an automobile sealing strip connection, which comprises: mounting a mold and the plastic thin film on a plastic thin film connection machine, raising the temperature of equipment a set value which is 270 to 290 DEG C in winter and 210 to 230 DEG C in summer; opening the mold, inserting a molded strip, closing the mold, lifting a heating plate, contacting two sections of the molded strip, and pre-heating for 35 seconds; after the pre-heating is finished, lowering the heating plate and the plastic thin film at the same time, moving the mold from two sides to the middle and contacting the molded strip with the plastic thin film at the same time; after the molded strip is contacted with the thin film for 10 seconds, lifting the plastic thin film and allowing the contact part of the molded strip and the thin film to break naturally; continuing to heat for 20 seconds and opening the mold; and taking the molded strip out. In the invention, the plastic thin film (polyethylene) is used in automobile sealing strip (door frame products) connection, so the quality of the automobile sealing strip is assured, and the product connection performance and production efficiency are improved.
Description
technical field [0001] The invention relates to a method for a joint of an automobile weather strip, in particular to an application method of a plastic film in the joint of an automobile weather strip. Background technique [0002] At present, rubber vulcanized joints and mortar vulcanized joints are mostly used in the joint process of automobile sealing strips (door frame products), and the vulcanized rubber joints take a long time to vulcanize, which consumes a lot of energy and human resources. The glue vulcanized joint has insufficient tensile strength at the joint of the product, and it is easy to break at the joint; the range of glue application during the operation is not easy to control, which affects labor efficiency, and the glue is not easy to store; the surface quality of the product at the joint is poor, which affects the overall effect of the product . At present, neither of the two joints can well meet the large-scale production needs of enterprises. Conte...
Claims
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Inventor 黄超游剑锋曹兰春李小林
Owner 湖北丰田合成正奥橡塑密封科技有限公司