A spherical plastic powder molding device

A molding device and plastic technology, applied in the field of plastic processing equipment, can solve the problems of high cost and difficult molding of spherical plastic powder, and achieve the effect of improving product quality

Active Publication Date: 2018-04-10
ZHEJIANG ROTOUN PLASTIC TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the existing spherical plastic powder is difficult to form and the cost is high, and to provide a spherical plastic powder forming device, which uses compressed air to assist the forming, and improves the sphericity of the plastic powder

Method used

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  • A spherical plastic powder molding device
  • A spherical plastic powder molding device
  • A spherical plastic powder molding device

Examples

Experimental program
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Effect test

Embodiment

[0024] Embodiment: a kind of spherical plastic powder molding device, such as figure 1 shown. The spherical plastic powder of this device is extruded from the extruder. The machine head 1 is connected to the feed port 11 of the cyclone cooling device 2, the discharge port 12 of the cyclone cooling device is connected to the cyclone separator 3, and the air outlet of the cyclone separator is connected to the dust collector. Device 5, the dust collection device is a bag dust collector, and the vibrating screen 4 is set under the cyclone separator. The qualified product is sieved under the vibrating screen, and the unqualified product is unqualified above the vibrating screen, and the unqualified product is returned to the extruder. Return to the extruder as raw material.

[0025] Head structure such as figure 2 , 3 , 4, the machine head includes a number of horizontally arranged dies 6, and the center of the dies is provided with a circular extrusion port 7. The outer wall ...

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Abstract

The invention relates to a spherical plastic powder forming device. The problems that existing spherical plastic powder is large in forming difficulty and high in cost are solved. The spherical plastic powder forming device comprises an extruder, the tail end of the extruder is an extruder head, and a cooling device body is connected behind the extruder head. The spherical plastic powder forming device is characterized in that the extruder head comprises opening molds, and a round extruding outlet is formed in the center of each opening mold; air chambers are arranged around the opening mold and filled with compressed air; annular air jet ports are formed in the positions, around the extruding outlets of the opening molds, the air chambers; and the annular air jet ports jet taper air flow in the central axis directions of the extruding outlets. According to the spherical plastic powder forming device, the compressed air is adopted to assist in conducting atomization at the extruder head, so that the plastic powder are formed into spherical plastic powder which is good in sphericility degree under air flow impact; and the spherical plastic powder is cooled in a cyclone cooling device body through spiral air feeding, the rolling particle shaping effect in the cooling process is further achieved, and the product quality is improved.

Description

technical field [0001] The invention relates to a plastic processing equipment, in particular to a spherical plastic powder molding device. Background technique [0002] Plastic powder is sprayed on the surface of the product, which can play the role of anti-corrosion and beautiful appearance, and is an important chemical raw material. Plastic powder is a micron-sized polymer. During the spraying process, the shape of the plastic powder has a direct impact on the spraying effect. The strip-shaped plastic powder with uneven surface has poor coating uniformity and poor coating adhesion. Poor resistance, easy to partially fall off after high temperature baking. The spherical plastic powder is uniform in anisotropy, and the coating produced by spraying is reflective, transparent and uniform. Therefore, spherical plastic powder has better performance and is the direction of product development. At present, there is a method of molding the plastic powder first, and then improvi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29B9/06
CPCB29B9/06
Inventor 温原
Owner ZHEJIANG ROTOUN PLASTIC TECH
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