Silk-screen-free filter equipment and self-seal cooling transmission device

A transmission device and self-sealing technology, which is applied in the field of extruders, can solve problems such as environmental pollution, easy wear and tear of drive shaft sleeves, molten plastic, waste of materials and working hours, etc.

Pending Publication Date: 2018-09-14
ZHE JIANG HOUPU TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a filter without wire mesh and a self-sealing cooling transmission device, aiming to solve the problem that the drive shaft bushing in the filter without wire mesh in the prior art is easy to wear, so that the molten plastic is extruded from the worn part To the outside world, which leads to waste of materials and working hours and technical problems that pollute the environment

Method used

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  • Silk-screen-free filter equipment and self-seal cooling transmission device
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  • Silk-screen-free filter equipment and self-seal cooling transmission device

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Embodiment Construction

[0039] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. Attached below by reference Figure 1-7 The described embodiments are exemplary and are intended to explain the present invention, but should not be construed as limiting the present invention.

[0040] In describing the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or e...

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Abstract

The invention belongs to the technical field of extruders, and particularly relates to silk-screen-free filter equipment and a self-seal cooling transmission device. The self-seal cooling transmissiondevice comprises a main shaft mechanism and a connecting flange. The main shaft mechanism comprises a transmission main shaft and a cooling shaft sleeve, and the transmission main shaft is divided into a spline shaft section, a self-seal shaft section and a transmission shaft section. The cooling shaft sleeve sleeves the self-seal shaft section and is provided with a cooling ring groove. The connecting flange sleeves the cooling shaft sleeve and is provided with two refrigerant through holes. The two refrigerant through holes communicate with the cooling ring groove, and the self-seal shaft section is provided with a reverse thread groove. When fused plastics enter the reverse thread groove, cooling media in the cooling ring groove cool the fused plastics, the state of the fused plasticsis converted into the solid state, the solid plastics can be pushed and extruded back into a filter box again under pushing of a reverse thread, the fused plastics can generate the lubricating effecton the cooling shaft sleeve and the self-seal shaft section, and friction losses between the cooling shaft sleeve and the self-seal shaft section are reduced.

Description

technical field [0001] The invention belongs to the technical field of extruders, and in particular relates to a filter without wire mesh and a self-sealing cooling transmission device. Background technique [0002] In the plastic production industry, it is common to install a non-wire mesh filter in the plastic extruder to filter out particulate impurities in the molten plastic. The working principle of the non-wire mesh filter is to drive the scraper to rotate through the transmission shaft connected with the motor and the reducer to scrape off the impurities on the filter plate of the non-wire mesh filter. Since plastic extrusion operations are generally carried out in high-temperature (250°C-270°C) and high-pressure (8MPa-30MPa) environments, it is difficult to use ordinary lubrication and sealing methods between the drive shaft and the shaft sleeve that fixes the drive shaft At present, graphite copper sleeves are usually used to cooperate with the transmission shaft t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C47/68
CPCB29C48/69
Inventor 贺国军
Owner ZHE JIANG HOUPU TECH CO LTD
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