Waste plastic melting injection molding machine and method thereof

A waste plastic and injection molding machine technology, applied in the field of injection molding machines, can solve the problems of large crushing noise, secondary pollution, and much dust, and achieve the effects of saving energy, avoiding noise and dust, and improving the working environment

Pending Publication Date: 2019-12-20
NANCHANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The most common way to recycle waste plastics in my country is recycling and granulation. The traditional granulation process is to crush and clean the recycled waste plasti

Method used

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  • Waste plastic melting injection molding machine and method thereof
  • Waste plastic melting injection molding machine and method thereof
  • Waste plastic melting injection molding machine and method thereof

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[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0024] The schematic diagram of the overall structure of the waste plastic melt injection molding machine of the present invention is as follows: figure 1 As shown, its structure includes a stirring transmission mechanism 1-1, a hopper 1-2 is installed above the melting chamber 1-3, the internal air is heated by a heating pipe 1-7, and is driven and circulated by a fan 1-5, and the stirring mechanism 1-4 is below the It is screen 1-6,...

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Abstract

The invention relates to a waste plastic melting injection molding machine and a method thereof. The machine is composed of a hopper, a box cover, a hot air circulation box body, a melting chamber, afan, a heating pipe, a stirring mechanism, a screen mesh, a cone hopper, a feeding spiral blade, a screw rod, a machine barrel, a material storage cylinder, an air cylinder, a piston, a material barrel, an injection mold, a nozzle on-off valve, a machine frame and the like. Materials enter the melting chamber from the hopper, are in contact with hot air to be heated and melted and are uniformly heated by stirring through the stirring mechanism, and molten plastic melt enters the machine barrel through the cone hopper, is extruded and conveyed to the material barrel through the screw rod, and is injected into the mold through the piston via the nozzle on-off valve to directly generate a product. According to the waste plastic melting injection molding machine and the method thereof, the structural design is compact, hot air is adopted in the process to directly melt the waste plastics, the operation of crushing and cleaning the waste plastics is not needed, the processing steps are reduced, finally, the molten materials are directly injected to be finished products, the extrusion cooling granulation and remelting injection molding processes are omitted, energy sources are saved, andthe working efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of injection molding machines, in particular to a waste plastic melting injection molding machine and a method thereof. Background technique [0002] The scope of application of plastics is becoming wider and wider, replacing metal, wood, paper, etc. in large quantities. With the widespread use of plastics, a large number of waste plastics appear. . The recycling and utilization of waste plastics and the development of resources are a deep understanding of the environment and resources, and it is a way of life to reduce environmental pollution and waste of resources caused by waste plastics. [0003] The most common way to recycle waste plastics in my country is recycling and granulation. The traditional granulation process is to crush and clean the recycled waste plastics, and then extrude them through screw extruders for granulation. The crushing noise is loud, there is a lot of dust, and sewage is genera...

Claims

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Application Information

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IPC IPC(8): B29C45/03B29C45/18B29B13/02B29B13/10B29C45/74
CPCB29B13/022B29B13/10B29C45/03B29C45/18B29C45/74
Inventor 黄兴元王涵
Owner NANCHANG UNIV
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