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Opening structure and compound hole combined type flexible sound absorbing product

A technology of opening structure and compound hole, which is applied in the field of flexible sound-absorbing products, can solve problems affecting product quality, waste and scrap waste, etc., and achieve the effects of improving product quality and performance, saving production, and making production convenient

Inactive Publication Date: 2014-05-28
WINCELL INSULATION CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the waste of rubber and plastic product waste and leftovers in the prior art, and the shortage that the secondary processing of rubber and plastic products affects product quality, the present invention provides a development process that is simple in production process, beneficial to saving costs, avoiding waste, and taking product quality into consideration. Pore ​​structure combined with composite porous flexible sound-absorbing products

Method used

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Embodiment Construction

[0010] The present invention will be further described below in conjunction with embodiment.

[0011] A flexible sound-absorbing product with an open-cell structure combined with a composite hole shape. Firstly, the rubber and plastic product waste and scraps are crushed to 1mm-1.5mm particle size particles; then the crushed rubber and plastic particles are mixed with 802B glue at a weight ratio of 10:1 , stirred evenly by a mixer for 4-5 minutes; 3 The proportion of the mold is added to the pressing mold, the pressure of the die head is 4kg / cm2, and the die head is pressed to the required thickness of the flexible sound-absorbing product for 20-30 minutes; finally, the molded flexible sound-absorbing product is taken out, laid flat for 24 hours, and dried Edge-trimming packaging, a die core is provided with a hole in the pressing die and / or a die head is provided with a die core.

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Abstract

The invention relates to an opening structure and compound hole combined type flexible sound absorbing product. Firstly, wastes and leftover materials of rubber and plastic products are smashed to particles with particle size of 1-1.5 mm; then the smashed rubber and plastic particles are mixed with 802B glue by the weight ratio of 10: 1, and are evenly stirred for 4-5 minutes by a mixer; the mixture is added in a pressing mold according to the ratio of 150 Kg / m3 by the volume of the needed flexible sound absorbing product; the pressure of a mold pressing head is 4 kg / cm2; when the thickness of the needed flexible sound absorbing product is realized through pressing, the pressure of the head is kept for 20-30 minutes; finally, the flexible sound absorbing product formed through mold pressing is taken out, flatly spreads for 24 hours, and is trimmed and packaged after being dried.

Description

[0001] technical field [0002] The invention relates to a rubber-plastic flexible sound-absorbing product, in particular to a flexible sound-absorbing product with an opening structure combined with composite holes. Background technique [0003] Traditional flexible sound-absorbing products are usually produced with a regular structure of the whole board, but in the case of use or special production structure requirements, the whole board structure needs to be processed twice, such as: opening holes, sinking holes, and cutting corners, etc., which will generate a lot of Waste and leftover materials, waste and leftover materials cannot be reused, which virtually increases the cost of production and use; and the secondary processing needs to reposition the size and position, requiring high production precision, increasing the difficulty of processing, and affecting the appearance quality of the product. Contents of the invention [0004] Aiming at the waste of rubber and pl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C43/02B29C43/32
Inventor 秦伯军秦天德刘远斌张君吉娇
Owner WINCELL INSULATION CO LTD
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