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Novel extruder

An extruder and a new type of technology, applied in the field of new extruders, can solve problems such as troublesome production, heat dissipation, uneven volume of thermal insulation cotton, etc., and achieve the effects of reducing heat transfer, improving production efficiency, and saving power and energy.

Inactive Publication Date: 2013-09-04
GUANGDONG LIANSU MACHINERY MFG
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, at present, it is only wound on the outside of the barrel of the extruder with thermal insulation cotton. However, the thermal insulation cotton is uneven and bulky, and it is easy to dissipate the heat heated by the same barrel. Because the extruder heater is a vulnerable part , it needs to be replaced regularly, and the inconvenience of installation will cause a lot of unnecessary troubles in production

Method used

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Embodiment Construction

[0014] The structure and working principle of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0015] refer to figure 1 As shown, the novel extruder of the present invention includes an extrusion cylinder 3, an electric heating resistance wire 1 is installed on the outer periphery of the extrusion cylinder 3, and a layer of heat-insulating material layer 2 is arranged on the outer periphery of the resistance wire 1. The outer periphery of the insulation material layer 2 is covered with a vacuum insulation layer 4. By vacuuming, a medium vacuum state appears inside the vacuum insulation layer 4. Vacuum refers to a gas state below an atmospheric pressure in a designated space. Vacuum is divided into different vacuum levels according to different pressures, including: low vacuum, medium vacuum, high vacuum, ultra-high vacuum, extremely high vacuum, etc. The vacuum level used in the vacuum insulation layer is medium vacuum p...

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Abstract

The invention discloses a novel extruder which comprises an extrusion barrel body, wherein a heating structure is arranged on the periphery of the extrusion barrel body; an insulation structure is arranged on the periphery of the heating structure; and the insulation structure comprises an insulation material layer and a vacuum insulation layer arranged in sequence from inside to outside. According to the novel extruder, a vacuum layer is arranged on the basis of the conventional insulation layer, so that the heat transfer quantity can be effectively reduced, the power energy can be saved and the production efficiency can be improved.

Description

technical field [0001] The invention relates to the technical field of plastic processing equipment, in particular to a novel extruder for extruding plastic. Background technique [0002] At present, in the production process of plastics, an extruder is needed. The extruder heats and melts the plastic in the barrel and extrudes it. At present, the heating of the extruder generally adopts resistance wire heating, and the temperature of the extruder is very high, so It is necessary to wrap the heat insulation material outside the extruder barrel, and the function of the heat insulation material is to prevent the heat of the extruder from being lost to the outside and improve the heating efficiency of the extruder; the second is to combine the high temperature of the extruder with the External isolation can avoid excessive temperature around the extruder, and can also avoid safety accidents such as burns. For example, the patent number is 201020698988.0, and the name is: a util...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C47/82
Inventor 蔡炳然甄焕财
Owner GUANGDONG LIANSU MACHINERY MFG