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Process method for punching inside of automobile inner decorative mould

A technology for automotive interior parts and process methods, applied in the field of in-mold punching technology for automotive interior parts, can solve the problems of low production efficiency, large investment, low product quality, etc., to improve production efficiency, reduce production costs, reduce The effect of equipment investment

Inactive Publication Date: 2009-08-26
DONGFENG VISTEON WUHAN AUTOMOTIVE TRIM SYST
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  • Application Information

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Problems solved by technology

These three methods, either have high product precision and high production efficiency, but relatively large investment; or low investment, but low production efficiency and relatively low product quality

Method used

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  • Process method for punching inside of automobile inner decorative mould
  • Process method for punching inside of automobile inner decorative mould
  • Process method for punching inside of automobile inner decorative mould

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Embodiment Construction

[0009] Definition of in-mold punching: In-mold punching technology for interior parts is a new process technology that realizes simultaneous completion of product forming and punching trimming by adding a floating shear knife in the forming mold. Mainly during the production process of molding the product, the trimming of the product and the punching of the forming hole are completed at the same time. The generally used molding materials are thermoplastic materials, such as PP hemp felt board, PP wood powder board, etc.

[0010] to combine figure 1 , 2 , 3 shows the description of the present invention as follows:

[0011] Such as figure 1 As shown, the compression molding mold includes an upper template 1, a lower template 5, an upper mold 7 installed on the upper template 1, a lower mold 6 installed on the lower template 5, and an upper mold 7 and a lower mold 6 of the compression molding mold A punching hole device is added, and a floating shearing knife edge trimming de...

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Abstract

The invention provides a process method for punching the inside of an automobile inner decorative mould. The inside of a compression moulding mould is provided with a cavity punching device for an automobile inner decorative, and the outer edge of the compression moulding mould is provided with a floating type shear trimming device. The moulding production process flows comprise the following steps: (1) heating base materials of automobile inner decorative products to soften the base materials; (2) compounding non-woven fabrics on the softened base materials; and (3) arranging the compression moulding mould on a press, placing the base materials compounded with the non-woven fabrics on a working plane of the compression moulding mould, starting the mould to complete forming, punching, cavity punching and trimming of the automobile inner decorative for one time, completing mould pressing of the automobile inner decorative, and directly entering the assembly working procedure. The process method combines the prior compression moulding, cavity punching and trimming into a set of mould, and realizes completion of the compression moulding, the cavity punching and the trimming for one time to save working procedures, reduce equipment investment and production cost of products, and improve production efficiency.

Description

technical field [0001] The invention relates to an in-mold punching process for an automobile interior trim. Background technique [0002] Automotive interior parts are generally thermoplastic materials with multiple cavities distributed thereon. Traditional automotive interior parts are molded with the overall shape, followed by secondary punching, cavity punching and trimming. The process of secondary punching cavity and edge trimming is mainly carried out in the following three ways: 1. High pressure water cutting; 2. Die punching; 3. Manual punching cavity and edge trimming. These three methods either have high product precision and high production efficiency, but require a large investment; or low investment, but low production efficiency and relatively low product quality. So to solve the production of interior parts, under the premise of reducing mold investment, shortening the development cycle, and making full use of the resources of existing equipment, high-effic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C43/40B29C43/02B29L31/58
Inventor 游国清宋志兵罗义波
Owner DONGFENG VISTEON WUHAN AUTOMOTIVE TRIM SYST
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