Method for manufacturing automobile welcome pedal
A technology of welcome pedals and production methods, which are applied in the arrangement of pedals or ladders, vehicle parts, and devices for applying liquid to surfaces, etc., can solve the problem of inaccurate alignment of the edge positions of metal parts and plastic parts, and affect the appearance of the product circumference. The problem of low image and structural stability, to achieve the effect of beautiful and fashionable appearance, reducing the risk of easy cracking, and fast and convenient production process
Active Publication Date: 2016-12-28
SHANGHAI YINGHUI TECH DEV
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Problems solved by technology
The welcome pedal made by this traditional bonding method is to bond the metal and plastic parts in a single product at room temperature, which is very time-consuming to make, and the production efficiency is low and the structural stability is not high. The alignment of the edges of plastic parts is not precise enough, which affects the appearance of the product circle
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[0026] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0027] see Figure 1 to Figure 3 The invention relates to a production method of an automobile welcome pedal, which includes four processes of stamping, spraying, insert injection molding and adding accessories.
[0028] Concrete steps of the present invention are as follows:
[0029] 1) Stamping, selecting aluminum foil and performing precision stamping on it to form an aluminum substrate 3 with raised characters 9 and raised lines 8 and peripheral flanging 7 on the surface;
[0030] 2) Spraying, spraying the polymer heat-sensitive adhesive on the inner surface of the aluminum substrate 3, and baking in an oven at 90-100°C for 7-10 minutes to form the polymer heat-sensitive adhesive layer 2;
[0031] 3) Insert injection molding, put the aluminum substrate 3 coated with polymer heat-sensitive adhesive on the inner surface into the cavity of...
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The invention discloses a method for manufacturing an automobile welcome pedal. The method includes the four procedures of stamping, spraying, insert injection molding and accessory adding. An aluminum substrate and a plastic substrate are welded into a firm overall insert injection molding body through a polymer thermosensitive adhesive, and the structure is stable, firm and durable. The risk that a traditional automobile welcome pedal is prone to cracking is greatly reduced. The production process is rapid and convenient, and the production efficiency of the product can be greatly improved. The product is high in precision, the relative positions of the edges of the aluminum substrate and the plastic substrate are very tidy, and the appearance is attractive and fashionable. Binding force of the contact faces of the aluminum substrate and the plastic substrate can be uniform and firm; the polymer thermosensitive adhesive cannot overflow to the outer surface of the product through the edge of the product; spraying efficiency is high, and the manufacturing process is stable and reliable. The problems of internal stress and product structure deformation caused by different shrinkage degrees between the plastic substrate and the aluminum substrate can be effectively eliminated.
Description
technical field [0001] The invention belongs to the technical field of auto parts, and relates to an automobile welcome pedal, in particular to a manufacturing method of an automobile welcome pedal. Background technique [0002] At present, most of the car welcome pedals on the market are pure metal parts; or at room temperature, the formed single plastic part is bonded to the back of the formed single metal part. The welcome pedal made by this traditional bonding method is to bond the metal and plastic parts in a single product at room temperature, which is very time-consuming to make, and the production efficiency is low and the structural stability is not high. The alignment of the edges of plastic parts is not precise enough, which affects the appearance of the product circle. Contents of the invention [0003] The object of the present invention is to provide a method for manufacturing a car welcome pedal to address the shortcomings of the above-mentioned prior art, ...
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IPC IPC(8): B60R3/00B60R13/04B05D7/14B05D7/24B05D7/22B05D3/02
CPCB05D3/0254B05D7/14B05D7/22B05D7/24B05D2202/25B05D2518/00B60R3/002B60R13/04B60R2013/046B05D2401/40
Inventor 胡忠鲜胜利
Owner SHANGHAI YINGHUI TECH DEV
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