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Preparation method of gypsum plastic suction mold

A gypsum blister mold and mold technology, which is applied in the field of plastic molding machine accessories, can solve the problems of long preparation cycle, complicated preparation process, and high cost

Inactive Publication Date: 2015-10-07
SUZHOU HUACHONG PRECISION MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the gypsum mold has low cost and simple preparation process, but the service life and the surface quality of the finished product are low; while the electrolytic copper mold and the alloy aluminum mold can make the finished product have a good surface quality, and the service life is relatively long, but the cost of the two It is higher than the plaster mold, and the preparation process is complicated and the preparation cycle is long

Method used

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  • Preparation method of gypsum plastic suction mold

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] The concrete preparation steps of the gypsum blister mold mentioned in the present invention are as follows:

[0017] a) Preparation of the working mold, the preparation process of the working mold includes: mixing, stirring, pouring, gelling, mold release, drying, firing, cooling, standing, repairing, hardening, etc.; the tool for repairing is twist Drilling, usually drilling a number of small holes in the low concave part of the mold, as the suction hole during plastic production; the method of hardening treatment is usually soaking treatment with concentrated alum saturated solution, the soaking time is not less than 3 hours, after soaking treatment Wash the mold and let it dry;

[0018] b) Strengthening treatment, the treatment process is as follows: First, prepare the strengthened coating, the preparation process includes: material preparation, mixing, reinforcement modification, dilution and qualitative, etc.; the main components and percentage ratio of the streng...

Embodiment 2

[0022] The concrete preparation steps of the gypsum blister mold mentioned in the present invention are as follows:

[0023] a) Preparation of the working mold, the preparation process of the working mold includes: mixing, stirring, pouring, gelling, mold release, drying, firing, cooling, standing, repairing, hardening, etc.; the tool for repairing is twist Drilling, usually drilling a number of small holes in the low concave part of the mold, as the suction hole during plastic production; the method of hardening treatment is usually soaking treatment with concentrated alum saturated solution, the soaking time is not less than 3 hours, after soaking treatment Wash the mold and let it dry;

[0024] b) Strengthening treatment, the treatment process is as follows: First, prepare the strengthened coating, the preparation process includes: material preparation, mixing, reinforcement modification, dilution and qualitative, etc.; the main components and percentage ratio of the streng...

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Abstract

The invention discloses a preparation method of a gypsum plastic suction mold. The preparation method comprises a, work mold preparation, b, reinforcement treatment, c, polishing treatment, and d, mold aftertreatment. The preparation method has reasonable processes, can be implemented simply, and has a moderate preparation cost. The gypsum plastic suction mold has a reinforced layer structure on the surface. The reinforced layer structure has the advantages of reasonable cost and stable and excellent film forming ability and can effectively improve strength, surface quality and a service life of the gypsum mold and improve practicality of the gypsum plastic suction mold.

Description

technical field [0001] The invention relates to a preparation method of a plaster blister mold, in particular to a preparation method of a gypsum blister mold with excellent surface quality and service life and moderate cost, and belongs to the technical field of plastic blister forming machine accessories. Background technique [0002] Blister molding machine is also called thermoplastic molding machine. Its working principle is: use the vacuum suction generated by the vacuum pump to heat and soften thermoplastic plastic sheets such as PVC, PET, PETG, APTT, PP, PE, PS, etc., through the mold suction. It can be molded into vacuum covers of various shapes, or attached to the surface of products of various shapes. The blister process can be divided into thin sheet blister and thick sheet blister according to the thickness of the sheet. [0003] The mold used on the blister forming machine is called a blister mold, which heats a flat plastic sheet to soften it, then absorbs it...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C33/38
Inventor 付冲
Owner SUZHOU HUACHONG PRECISION MACHINERY
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