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Manufacturing process of automobile acoustic part spare tire cover plate

A technology for acoustic components and spare tire covers, which is applied in the directions of layered products, chemical instruments and methods, lamination devices, etc., can solve the problems of heavy product weight, unfavorable handling, high cost, complicated preparation process, etc., and achieves low cost, The effect of simple process method, simple structure and preparation process

Inactive Publication Date: 2017-12-22
WUXI GISSING AUTO PARTS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the rapid development of the automotive interior parts industry and people's higher and higher requirements for automotive interior parts, the automotive interior parts pay more attention to the high performance, environmental protection and lightweight of the products. The automobile spare tire cover in the prior art The board material structure and preparation process are complicated, the cost is high, and the product weight is not conducive to handling

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A production process for a spare tire cover plate of an automobile acoustic component, the steps are as follows:

[0016] (1) Preparation of PU composite sheet: take PU and GF composite sheet, and compound needle-punched non-woven fabric on its surface to obtain PU composite sheet;

[0017] (2) Substrate baking temperature: The PU composite sheet prepared in step (1) is transported through the conveying device and placed in an oven for heating and drying of the substrate; the temperature in the upper temperature zone of the oven is set to 200 ° C, and the temperature in the lower temperature zone is Set it to 250°C, and the baking time is 90s;

[0018] (3) Compression molding: Put the PU composite sheet after drying in step (2) into the mold and lay fabrics on the surface of the PU composite sheet for compression molding. The molding pressure is 180bar, and the molding time is 50s. After molding, the automobile spare parts semi-finished tire cover;

[0019] (4) Attach...

Embodiment 2

[0024] A production process for a spare tire cover plate of an automobile acoustic component, the steps are as follows:

[0025] (1) Preparation of PU composite sheet: take PU and GF composite sheet, and compound needle-punched non-woven fabric on its surface to obtain PU composite sheet;

[0026] (2) Substrate drying temperature: The PU composite sheet prepared in step (1) is conveyed through the conveying device and placed in an oven for heating and drying of the substrate; the temperature in the upper temperature zone of the oven is set at 200-250°C, The zone temperature is set at 250-300°C, and the baking time is 75-90s;

[0027] (3) Compression molding: Put the PU composite sheet after drying in step (2) into the mold and lay fabrics on the surface of the PU composite sheet for compression molding. The molding pressure is 200bar, and the molding time is 40s. After molding, the automobile spare parts semi-finished tire cover;

[0028] (4) Attachment installation: Place t...

Embodiment 3

[0033] A production process for a spare tire cover plate of an automobile acoustic component, the steps are as follows:

[0034] (1) Preparation of PU composite sheet: take PU and GF composite sheet, and compound needle-punched non-woven fabric on its surface to obtain PU composite sheet;

[0035] (2) Substrate baking temperature: The PU composite sheet prepared in step (1) is conveyed through the conveying device and placed in an oven for heating and drying of the substrate; the temperature in the upper temperature zone of the oven is set to 230 ° C, and the temperature in the lower temperature zone Set it to 270°C, and the baking time is 80s;

[0036] (3) Compression molding: Put the PU composite sheet after drying in step (2) into the mold and lay fabrics on the surface of the PU composite sheet for compression molding. The molding pressure is 190bar, and the molding time is 45s. After molding, the automobile spare parts semi-finished tire cover;

[0037] (4) Attachment i...

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PUM

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Abstract

The invention relates to a manufacturing process of an automobile acoustic part spare tire cover plate, which belongs to the technical field of the production of automobile interior trim parts. The manufacturing process comprises the following steps: drying, pressing and molding a PU composite plate, installing accessories, and inspecting, thus obtaining a finished product automobile spare tire cover plate. The manufacturing process is simple; the designed automobile spare tire cover plate material has the advantages of simple structure and preparation process and can be molded without a two-step method; the PU composite plate has the advantage of low cost, and the product is small in weight, thereby facilitating the transportation.

Description

technical field [0001] The invention relates to a production process of a spare tire cover plate of an automobile acoustic component, in particular to a composite molding process of a fabric and a PU composite plate, and belongs to the technical field of production of automotive interior parts. Background technique [0002] The automobile spare tire cover plate is installed in the trunk of the automobile, and plays the role of loading and beautifying. With the rapid development of the automotive interior parts industry and people's higher and higher requirements for automotive interior parts, the automotive interior parts pay more attention to the high performance, environmental protection and lightweight of the products. The automobile spare tire cover in the prior art The board material structure and preparation process are complicated, the cost is high, and the product weight is not conducive to handling. Contents of the invention [0003] The purpose of the invention ...

Claims

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Application Information

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IPC IPC(8): B32B37/06B32B37/10
CPCB32B37/06B32B37/10
Inventor 邹励强
Owner WUXI GISSING AUTO PARTS CO LTD
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