Injection-molded product and method of making the same

Abstract

The invention discloses an injection molded product and a manufacturing method thereof. The injection molded product comprises a first surface layer, a middle layer and a second surface layer, the first surface layer is a soft layer, and the middle layer is a plastic layer. The second surface layer is a hard layer, and the first surface layer and the second surface layer are respectively combined with two opposite surfaces of the middle layer through one injection molding. The manufacturing method of the injection molding product includes: setting the first surface layer and the second surface layer on both sides of the mold cavity respectively, and then injecting plastic into the middle of the cavity to combine the plastic with the first surface layer and the second surface layer respectively. The injection molded product is provided with two surface layers of different materials, which can enhance the surface quality of the shell and enrich the shell functions at the same time. The manufacturing method of the injection molded product is simple.

Description

technical field [0001] The present invention relates to an injection molding product and its manufacturing method. Background technique [0002] Plastic has the characteristics of light weight, easy manufacture and low cost, and has become a common material for injection molding products such as electronic device housings. When making, the molten plastic is first poured into the cavity of the mold, and the plastic is shaped into the required shell shape according to the shape of the cavity. [0003] However, the appearance and texture of plastic products are not good. In order to improve the appearance of injection molded products, especially the shell, a layer of topcoat is generally sprayed on the surface of the plastic products. However, the surface paint sprayed has poor abrasion resistance. After a long time of use, the housing is easy to cause multiple scratches due to friction, and even the whole piece falls off, which seriously affects the appearance of the housing....

AI Technical Summary

Problems solved by technology

[0003] However, the appearance and texture of plastic products are not good. In order to improve the appearance of injection molded products, especially the shell, a layer of surface paint is usually sprayed on the surface of plastic products.

However, the sprayed surface paint has poor wear resistance. After a long time of use, the shell is easy to cause multiple scratches due to friction, and even the whole piece falls off, which seriously affects the appearance of the shell.

And the manufacturing method of the shell is complicated and the cost is high

[0004] In addition, due to the insufficient strength of plastics, pure plastic injection molded products are easily damaged by collisions. For example, when an electronic device is accidentally dropped on the ground, its casing is easy to break

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