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Plastic sheet surface covered hot compacting base production method

A technology of thermoforming and manufacturing methods, which is applied in the direction of household components, applications, household appliances, etc., and can solve the problems of paint or paint-decorated surfaces that are not resistant to wear, produce holes or trachoma, and unstable product quality, etc., to achieve surface Easy to decorate, high yield and precise product effect

Inactive Publication Date: 2008-07-30
湛汉彪
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of the above method is that the surface of the product is rough, and even holes or trachoma may occur, and the surface decorated with paint or paint is not resistant to abrasion, and the product quality is unstable

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1: The manufacture method of plastic sheet surface cladding thermocompression forming desk lamp holder

[0019] (1), mixed hot melt

[0020] According to the percentage by weight of the blank, 25% waste plastics; 30% mineral particles with a particle size of 4 mm pyrite particles and 35% river sand; 5% paraffin and 5% mineral oil are mixed uniformly. Put it into the vertical mixed plastic ore automatic extruder, at a temperature of 170°C, use the gravity of the raw material and the expansion force generated by the melting of the plastic to automatically extrude, and the viscous material will be automatically discharged from the hot extruder from top to bottom middle.

[0021] (2), plastic hot extrusion sheet production

[0022] The raw material of polyethylene plastic granules is put into a hot extrusion tablet machine to make a plastic sheet with a thickness of 3 mm.

[0023] (3), hot pressing into billets

[0024] Cover the lower mold with a hot-extrude...

Embodiment 2

[0029] Embodiment 2: the manufacture method of plastic sheet surface cladding hot-press molding sofa leg

[0030] (1), mixed hot melt

[0031] According to the weight percentage of the blank, 20% of waste plastics; 35% of black iron ore particles with a particle size of 4 mm and 35% of metal waste particles; 3% of paraffin, 4% of phthalate Methyl ester, 3% mineral oil, after mixing evenly, put it into the vertical mixed plastic ore automatic extruder, at a temperature of 170 ℃, use the gravity of the raw material and the expansion force generated by the melting of the plastic to automatically extrude, and become viscous The thick material is automatically discharged from the hot extruder from top to bottom.

[0032] (2), plastic hot extrusion sheet production

[0033] The raw material of polyethylene plastic granules is put into a hot extrusion tablet machine to make a plastic sheet with a thickness of 3 mm.

[0034] (3), hot pressing into billets

[0035] Cover the hot-ex...

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Abstract

The invention discloses a method for preparing the hot-pressed molded base that coated on the surface of plastic sheet. Wherein, it comprises the steps that: mixing one or several the waste plastics and mineral particles that comprises black iron ore particle, ferro-sulphur ore particle, sea sand, river sand, and metal waste particle, to be added with toughening agent; putting it into upright mixed plastic sand automatic extruder, to obtain the dense material; putting plastic particle into hot extrude sheet producer to obtain the plastic sheet; coating the plastic sheet on the lower mould; putting hot dense mixture on the plastic sheet to be hot pressed into blank; coating the hot blank with plastic sheet; moving the hot blank and lower mould to the compressor; putting the upper mould with fine pattern on the lower mould that contains hot blank, to obtain the product whose surface plastic is coated shaped. The inventive product has smooth and beautiful surface, with high impact resistance, high corrosion resistance, and high yield.

Description

technical field [0001] The invention relates to a manufacturing method of a hot-press forming base, in particular to a manufacturing method of a plastic sheet surface-coated hot-press forming base. Background technique [0002] At present, the production method of thermoforming bases such as table lamps and floor electric fans, such as Chinese Patent No. ZL00122177.9, authorized announcement number CN1100962C, and the name is "the production method of the counterweight block of the one-time thermoforming lamp base" It uses ore sand, plastic, stone powder, and pigment. After fully stirring, put it into a hot extruder, extrude the mixed soft at a temperature of 180-250°C, put it into a mold, and shape it once through a hot press. The finished products are finished by surface spraying, electroplating, coloring and other processes to make products. The disadvantage of the above-mentioned method is that the surface of the product is rough, and even holes or trachoma can be produ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C43/18B29C43/20B29C43/14B29C43/52B29C43/32B29K23/00B29K27/06B29K55/02B29L9/00B29L31/00
Inventor 湛汉彪
Owner 湛汉彪
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