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Vehicle engine cover adopting foam molding process

A technology of engine cover and automobile engine, which is applied in the field of automobile parts, can solve the problems of complex parts composition and production process, high investment in injection molding equipment and molds, poor environmental protection of adhesive process, etc., and achieve the performance improvement of sound absorption and noise reduction indicators, Reduce the assembly and production process and achieve the effect of light weight and environmental protection

Inactive Publication Date: 2016-03-23
FUCHENG AUTO PARTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The total weight of the above mechanism is 1200g, the component composition and production process are complicated, the qualified rate is low, the injection molding equipment and mold investment are high, the comprehensive production cost is high, and the adhesive process is not environmentally friendly

Method used

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  • Vehicle engine cover adopting foam molding process
  • Vehicle engine cover adopting foam molding process
  • Vehicle engine cover adopting foam molding process

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] The present invention will be described in further detail below in conjunction with accompanying drawing and specific embodiment: see Figure 2 to Figure 5 , an automobile engine cover adopting a foam molding process, comprising an engine cover body 1 and a bushing 2 arranged on the engine cover body 1, and the engine cover body 1 is self-foamed by PUR full water The skinning process is integrally formed, and the back of the engine cover body 1 is provided with criss-cross reinforcing ribs 3 . The overall strength of the engine cover body is reinforced by the reinforcing ribs 3 . Moreover, the ribs 3 are filled with grooves, which can play a role of sound absorption and noise reduction.

[0013] A supporting block 30 is arranged on the side wall of the reinforcing rib 3, the supporting block 30 is triangular in shape, and the supporting block 30 is used to improve the rigidity of the reinforcing rib 3 to prevent it from being stressed in the lateral direction The prob...

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Abstract

The invention discloses a vehicle engine cover adopting a foam molding process. The vehicle engine cover comprises an engine cover body, and a bushing arranged on the engine cover body; the engine cover body is integrally molded through a PUR all-water foaming self-skinning process; reinforcing ribs are arranged on the back surface of the engine cover body in a criss-cross manner; and support blocks for achieving a support effect are arranged on the side walls of the reinforcing ribs. The engine cover has a decoration effect, and is more excellent in protection function; the thermal insulation, sound absorption and noise reduction indexes and performances are promoted by 30%; the formation parts are reduced from 8 to 3; the assembly production procedure and the field transfer are reduced; and the operators are reduced.

Description

technical field [0001] The invention relates to the field of auto parts, more specifically, to a cover set on an automobile engine. Background technique [0002] The original car engine cover products are attached figure 1 , including the engine cover body, the cover body 1 is made of PA6 material, and injection molding is prone to defects such as poor appearance and shrinkage deformation; the adhesive PUR foam sound insulation pad 4 plays the role of sound absorption and noise reduction. The adhesive PUR foam sound insulation pad adopts two rubber bushes 5 and one metal bushing 6 to be installed on the engine. The above-mentioned mechanism has a total weight of 1200g, complex parts composition and production process, low pass rate, high investment in injection molding equipment and molds, high overall production cost, and poor environmental protection of the adhesive process. Contents of the invention [0003] Aiming at the deficiencies in the prior art, the invention p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02F7/00
CPCF02F7/0021
Inventor 张伟明
Owner FUCHENG AUTO PARTS
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