Heating component for plastic extruding machine

A technology of heating components and extruders, applied in the field of extruders, can solve the problems of low heating efficiency and uneven heating of the barrel, and achieve the effects of improving heating efficiency, simple structure, and convenient setting

Inactive Publication Date: 2015-09-30
天津煊生源高分子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The problem to be solved by the present invention is that the heating of the existing extruder adopts resistance wire heating, the barrel is heated unevenly, and the heating efficiency is low

Method used

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  • Heating component for plastic extruding machine
  • Heating component for plastic extruding machine

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Embodiment Construction

[0017] In order to better understand the present invention, the present invention will be further described below in conjunction with specific embodiments and accompanying drawings.

[0018] Such as figure 1 As shown, in the extruder, the raw material enters the barrel 1 from the feed hopper 14, is heated by the heating device and melted under the extrusion of the screw 2 and the barrel, and is driven by the movement of the screw 2 at the head connector 6. , Extruded by mold.

[0019] Such as figure 1 with figure 2 As shown, a heating assembly of an extruder includes at least three sets of heating devices 3 set outside the barrel 1 and a casing 5 set outside the heating device 3 to protect the heating device 3 .

[0020] Heating device 3 infrared heating device or electromagnetic heating device. The heating devices 3 are evenly arranged along the axis of the barrel 1 .

[0021] The screw 2 is provided with an auxiliary heating channel 9 which is U-shaped and arranged sym...

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PUM

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Abstract

The invention provides a heating component for a plastic extruding machine and belongs to the technical field of plastic extruding machines. The heating component comprises at least three heating devices installed outside a charging barrel in a sleeving ode and a shell installed outside the heating devices in a sleeving mode to protect the heating devices, wherein the heating devices are infrared heating devices or electromagnetic heating devices. The heating component is simple in structure, convenient to install, and capable of being used in cooperation with a charging barrel of the plastic extruding machine and a screw extruder quickly. Due to the fact that the infrared or electromagnetic heating devices are adopted to replace original resistance wires for heating, heating efficiency is improved, and energy waste is reduced.

Description

technical field [0001] The invention relates to the technical field of extruders, in particular to a heating component of an extruder. Background technique [0002] When the extruder is working, the screw with a specific shape is used to rotate in the heated barrel, and the plastic masterbatch sent from the hopper is extruded forward, so that the plastic masterbatch is evenly plasticized (that is, melted), and passed through the machine head and Molds of different shapes enable the plastic masterbatch to be extruded into continuous plastic layers of various shapes or products of other shapes. The existing extruder adopts screw technology, and the heating device is arranged outside the barrel. Most of the existing heating devices are heated by resistance wire. On the one hand, the heating efficiency of resistance wire is low, and the power consumption is large, which increases the production cost; on the other hand, When the resistance wire is heated, the barrel is heated un...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C47/82B29C47/84B29C47/80B29C48/515
CPCB29C48/845B29C48/875B29C48/82B29C48/832B29C48/509B29C48/85B29C48/515
Inventor 张铁民
Owner 天津煊生源高分子科技有限公司
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