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Injection molding machine screw to prevent material backflow

A technology for injection molding machine screw and material backflow, which is applied in the field of injection molding machine screw and can solve the problems of easy material backflow

Active Publication Date: 2016-03-02
GUANGXI SHENGLONG METALLURGICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the rotary feeding, the material is easy to flow back when the high-speed rotation stops, and the prior art has not yet solved such a problem

Method used

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  • Injection molding machine screw to prevent material backflow
  • Injection molding machine screw to prevent material backflow

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] The present invention will be specifically introduced below in conjunction with the accompanying drawings and specific embodiments.

[0017] The injection molding machine screw to prevent material backflow includes: feeding section, compression section connected to the feeding section, homogenizing section 1 connected to the compression section, mosaic section 2 movably connected to homogenizing section 1; homogenizing section 1 is set There is a clamping component, which is connected to the clamping component and guides the mosaic section 2 to move away from the homogenizing section 1 after the screw rotates; The clamping assembly consists of: a transition groove 101 placed at the opening of the inner wall of the homogenization section 1, and a clamping groove 102 obliquely connected to the transition groove 101. As a preference, the clamping groove 102 is a slope groove, The slope is designed to facilitate the locking protrusion 202 to enter the locking groove 102 . ...

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PUM

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Abstract

The invention discloses an injection molding machine screw for preventing material backflow. The injection molding machine screw comprises a feeding section, a compression section connected to the feeding section, a homogenizing section connected to the compression section, and an inlaid section which is movably connected to the homogenizing section, wherein the homogenizing section is provided with a clamping component and a guide piece which is connected to the clamping component and through which the inlaid section moves away from the homogenizing section after rotation of the screw is ended; a limiting component clamped with the clamping component is arranged on the inlaid section. According to the injection molding machine screw, due to arrangement of the clamping device and the guide piece, the inlaid section moves for a distance away from the direction of the homogenizing section after the rotation of the screw is ended, and thrust of moving to the outlet is applied to the materials, so that the materials do not flow back.

Description

technical field [0001] An injection molding machine screw, especially an injection molding machine screw that prevents material from flowing back. Background technique [0002] The screw is an important part of the injection molding machine. Its function is to convey, compact, melt, stir and apply pressure to the plastic. All of these are accomplished by the rotation of the screw in the barrel. When the screw rotates, the plastic will generate friction and mutual motion against the inner wall of the barrel, the bottom surface of the screw groove, the propulsion surface of the screw edge, and between the plastic and the plastic. However, due to the rotating feed, the material is easy to flow back when the high-speed rotation stops, and the prior art has not yet solved such a problem. Contents of the invention [0003] In order to solve the deficiencies of the prior art, the object of the present invention is to provide an injection molding machine screw capable of preven...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C45/60
CPCB29C45/60
Inventor 闫士良姚叶
Owner GUANGXI SHENGLONG METALLURGICAL CO LTD