Plastic filtering device

A filter device and plastic technology, which is applied in the field of plastic filter devices for plastic molten materials, can solve problems such as hindering the smoothness of the work process

Inactive Publication Date: 2010-08-11
ROYAL STEEL PLASTIC TECH IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the impurity content of the plastic material is high, such as when producing recycled plastic regrind, frequent and repeated cleaning and updating of the filter screen will hinder the smoothness of the work process

Method used

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  • Plastic filtering device
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0038] The structure and effect of the present invention will be described in detail by citing the following embodiments in conjunction with the accompanying drawings.

[0039] Such as Figure 1 to Figure 11 As shown, the filter device 10 provided by the first embodiment of the present invention includes:

[0040] A housing 20, such as Figure 3 to Figure 6 As shown, it has a chamber 21 , and a feed channel 22 , a discharge channel 23 and a cleaning channel 24 , which communicate with the chamber 21 and the outside world respectively. Such as Figure 5 , Figure 6 As shown, the chamber 21 is cylindrical, and the feeding channel 22 forms a circular feeding opening 221 on the outer wall of the housing 20 , and forms a prolate bucket-shaped opening 222 on the inner wall. The cleaning channel 24 is long cylindrical and communicates with the chamber 21 through a slender gap 241. The housing 20 forms a cleaning port 242 at one end of the cleaning channel 24, and a pivoting perfo...

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PUM

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Abstract

The invention relates to a plastic filtering device, which comprises a shell, a filtering part and a guide part, wherein the shell has a chamber, a feeding channel, a discharge channel and a clearing channel; the feeding channel, the discharge channel and the clearing channel are communicated with the chamber and the outside respectively; the filtering part is accommodated in the chamber of the shell and is driven by an external force to rotate in the chamber; an accommodating chamber is formed in the middle of the filtering part and the surface is provided with a plurality of through holes which are communicated with the accommodating chamber; the guide part is fixed on the shell and accommodated in the accommodating chamber of the filtering part; a feeding duct is arranged at a positioncorresponding to the feeding channel of the shell; a discharge duct is arranged at a position corresponding to the discharge channel of the shell; and a clearing duct is arranged at a position corresponding to the clearing channel of the shell. The plastic filtering device has the advantages that the filtering part can be backwashed to keep filtration pores unblocked and the exchange operation isquick and convenient.

Description

technical field [0001] The invention relates to plastic processing machinery, in particular to a plastic filter device for plastic molten material. The device has the function of automatically backwashing the filter screen and can be used in continuous production operations. Background technique [0002] The plastic material may contain impurities during the manufacturing process, which can be removed by filtering with a filter. The existing method is to set a filter screen at the outlet of the plastic extruder to filter the molten plastic material. The filter screen will be clogged after being used for a period of time, and the filter screen must be removed or replaced. It is known that the filter screen is automatically replaced mechanically, and then the filter screen is manually cleaned or replaced. If the impurity content of the plastic material is high, such as when producing recycled plastic regrind, frequent and repeated cleaning and updating of the filter screen wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C47/68B29C48/03B29C48/395B29C48/45
CPCB29C47/0009B29C47/38B29C47/44B29C47/684B29C48/03B29C48/395B29C48/45B29C48/6916
Inventor 杨家彰
Owner ROYAL STEEL PLASTIC TECH IND
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