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A glass edging assembly and its injection molding method

A technology of glass package and assembly, which is applied in the direction of coating to achieve the effect of avoiding compression deformation and displacement

Active Publication Date: 2019-10-18
FUYAO GLASS IND GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide an injection molding method for glass edging assembly with accurate positioning, high injection molding quality and good appearance, aiming at the above-mentioned technical problems existing in the integral injection molding of existing plastic decorative panels and glass, and at the same time Also provided is a glass edging assembly made by the injection molding method

Method used

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  • A glass edging assembly and its injection molding method
  • A glass edging assembly and its injection molding method
  • A glass edging assembly and its injection molding method

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Embodiment Construction

[0030] The content of the present invention will be further described below in conjunction with the accompanying drawings.

[0031] Such as Figure 1~3 As shown, the injection molding method of a glass edging assembly according to the present invention is characterized in that it comprises the following steps:

[0032] Step 1: Provide an upper mold 1 and a lower mold 2 for pairing, the lower mold 2 is provided with an insert 21, a support mechanism for supporting the glass 3 and a positioning mechanism for positioning the glass 3, the insert 21 An insert cavity for accommodating a plastic bright decoration board 4 is provided, and the plastic bright decoration board 4 includes an inner surface 41 and an outer surface 42 disposed opposite to each other;

[0033] Step 2: Place and position the plastic bright decorative plate 4 in the cavity of the insert, so that the outer surface 42 of the plastic bright decorative plate 4 fits on the bottom surface of the cavity of the insert...

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Abstract

The invention relates to the technical field of glass edge covering, in particular to a glass edge covering assembly and an injection molding method thereof. The injection molding method is characterized by comprising the following steps that an upper mold and a lower mold which are used in pair are provided; a bright plastic decorative plate is placed and positioned in an insert cavity, and the outer surface of the bright plastic decorative plate is attached to the bottom surface of the insert cavity; glass is placed on a supporting mechanism and positioned through a positioning mechanism; the upper mold and the lower mold are assembled, so that an injection molding cavity is formed between the bright plastic decorative plate and the glass, at least one edge of the glass is located in theinjection molding cavity, and a sprue of the injection molding cavity is arranged right opposite to the inner surface of the bright plastic decorative plate; and plasticized thermoplastic resin is poured into the injection molding cavity through the spure, and the glass edge covering assembly is manufactured after cooling molding. The injection molding method has the advantages that positioning is accurate, the injection molding quality is high, and the appearance is good.

Description

Technical field: [0001] The invention relates to the technical field of glass edging, in particular to a glass edging assembly and an injection molding method thereof, and is especially suitable for a vehicle side window glass edging assembly. Background technique: [0002] PMMA, commonly known as plexiglass, is a non-toxic and environmentally friendly material. Its specific gravity is less than half that of ordinary glass, but its ability to resist shattering is several times higher. The hardened and modified PMMA has significantly improved surface hardness and impact resistance, and exhibits good insulation, chemical stability, weather resistance and mechanical strength. In the automotive industry, it is widely used in signal light equipment, instrument panels, and side window trims. [0003] As a side window trim, the PMMA bright trim is usually installed on the side window assembly by 3M glue bonding or clamping, etc., such as the corner window trim described in Chinese...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C45/14B29C45/26B29C45/73B29C45/76B29C45/77B29C45/78B29K21/00B29K27/06
Inventor 黄俊钦林启明俞裕生陈华
Owner FUYAO GLASS IND GROUP CO LTD
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