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Processing method of automobile front wall auxiliary sound insulation pad

A processing method and technology for sound insulation pads, which are applied in the directions of lamination auxiliary operations, chemical instruments and methods, vehicle parts, etc., can solve the problems of low production efficiency and heavy weight, and achieve the effects of fast production, reduced weight and easy operation.

Inactive Publication Date: 2019-04-12
WUXI GISSING AUTO ACOUSTIC PARTS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a processing method for the auxiliary sound insulation pad of the automobile front wall, so as to solve the problems of heavy weight and low production efficiency in the auxiliary sound insulation pad of the automobile front wall in the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] In this embodiment, the manufacturing method of auxiliary front wall sound insulation pads of Chery, Jaguar and Land Rover is produced, the product specification is: 690mm * 485mm * 17mm, including the following steps:

[0018] Step 1: Lay the base material of the sound-insulating pad on the mold according to the front and rear limits of the paving, and adjust the position left and right to align with the edge of the mold. The felt is located between the surface cloth and the bottom cloth; the weight of the base material of the sound insulation pad is 550g / m 2 , where the weight of the surface cloth is 75g / m 2 , the weight of cotton felt is 400g / m 2 , the weight of the base fabric is 75g / m 2 ;

[0019] Step 2, the mold is an electric heating mold, the temperature of the upper mold is set at 130°C, the temperature of the lower mold is set at 135°C, the mold is pressed down, the base material of the sound insulation pad is heat-sealed and formed and punched, and the pr...

Embodiment 2

[0022] In this embodiment, the production method of auxiliary front wall sound insulation pads for Chery, Jaguar and Land Rover, the product specification is: 640mm * 462mm * 14mm, including the following steps:

[0023] Step 1: Lay the base material of the sound-insulating pad on the mold according to the front and rear limits of the paving, and adjust the position left and right to align with the edge of the mold. The felt is located between the surface cloth and the bottom cloth; the weight of the base material of the sound insulation pad is 550g / m 2 , where the weight of the surface cloth is 75g / m 2 , the weight of cotton felt is 400g / m 2 , the weight of the base fabric is 75g / m 2 ;

[0024] Step 2, the mold is an electric heating mold, the temperature of the upper mold is set at 132°C, the temperature of the lower mold is set at 138°C, the mold is pressed down, the base material of the sound insulation pad is heat-sealed and formed and punched, and the pressure of the ...

Embodiment 3

[0027] In this example, the method for producing the front wall outer sound insulation pad of Dongfeng Renault LJH, the product specification is: 540mm×380mm×22mm, including the following steps:

[0028] Step 1: Lay the base material of the sound-insulating pad on the mold according to the front and rear limits of the paving, and adjust the position left and right to align with the edge of the mold. The felt is located between the surface cloth and the bottom cloth; the weight of the base material of the sound insulation pad is 550g / m 2 , where the weight of the surface cloth is 75g / m 2 , the weight of cotton felt is 400g / m 2 , the weight of the base fabric is 75g / m 2 ;

[0029] Step 2, the mold is an electric heating mold, the temperature of the upper mold is set at 135°C, the temperature of the lower mold is set at 140°C, the mold is pressed down, the base material of the sound insulation pad is heat-sealed and formed and punched, and the pressure of the mold is controlle...

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Abstract

The invention provides a processing method of an automobile front wall auxiliary sound insulation pad. The processing method comprises the following steps: 1) laying a sound-insulation pad base material on a die, wherein the sound-insulation pad base material is formed by combining a surface cloth, a polyethylene terephthalate (PET) cotton felt and a base cloth; 2) carrying out hot edge sealing, forming and punching on the sound-insulation pad base material through the die to obtain a front wall auxiliary sound insulation pad semi-finished product, wherein the temperature of the upper die is set to be 130 DEG C, the temperature of the lower die is set to be 140 DEG C, the pressure of the die is controlled to be 15-17 MPa, and the pressing time is controlled to be 60-65 seconds; and 3) placing the front wall auxiliary sound insulation pad semi-finished product subjected to forming and punching on a workbench, and removing excess materials on the periphery and in hole sites to obtain thefront wall auxiliary sound insulation pad finished product. The processing method of the automobile front wall auxiliary sound insulation pad is easy to operate; production is rapid and efficient; the manufactured automobile front wall auxiliary sound insulation pad is regular and flat in shape; and the weight of the obtained automobile front wall auxiliary sound insulation pad is reduced, so that the light weight requirement of a whole automobile is met.

Description

technical field [0001] The invention belongs to the processing technology of automobile interior parts, and in particular relates to a processing method of an auxiliary sound insulation pad for the front wall of an automobile. Background technique [0002] The auxiliary sound insulation pad of the front wall of the car is an interior part installed in the sheet metal of the car engine compartment, which can absorb part of the noise during driving and reduce resonance. During use, the auxiliary sound insulation pad of the cowl needs to be installed in the engine compartment, and the cover sheet metal of the cowl plays the role of shock absorption and sound absorption. Performance, and the installation process takes a long time, and the shape of the front wall auxiliary sound insulation pad is not easy to stack, it takes up a lot of space during transportation, resulting in increased transportation costs, and the weight is too heavy, which does not meet the requirements for li...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B37/10B32B38/00B60R13/08
CPCB32B37/10B32B38/0004B32B2307/102B32B2605/08B60R13/0838
Inventor 刘云鹏
Owner WUXI GISSING AUTO ACOUSTIC PARTS TECH CO LTD
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