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Hot nozzle structure and hot runner injection molding system

A hot runner injection molding and hot nozzle technology, which is applied in the field of hot nozzle structure and hot runner injection molding system, can solve the problems of hot nozzle positioning failure, gate damage, product defects, etc., and achieve cost saving, thin plate thickness, and sealing effect. improved effect

Inactive Publication Date: 2018-02-02
YUDO SUZHOU HOT RUNNER SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] After hitting the end of the hot nozzle for a long time, the positioning of the hot nozzle will fail, and then it will hit the edge of the gate of the mold core, resulting in damage to the gate, product defects such as casting, failure to seal normally, and product defects

Method used

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  • Hot nozzle structure and hot runner injection molding system
  • Hot nozzle structure and hot runner injection molding system
  • Hot nozzle structure and hot runner injection molding system

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Embodiment Construction

[0034] The present invention will be described in detail below with reference to the specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and structural, method, or functional changes made by those skilled in the art according to these embodiments are all included in the protection scope of the present invention.

[0035] In the various figures of the present invention, some dimensions of structures or parts are exaggerated relative to other structures or parts for convenience of illustration, and thus are only used to illustrate the basic structure of the subject matter of the present invention.

[0036] Terms such as "upper," "over," "lower," "below," and the like, referring to spatially relative positions, are used herein for ease of illustration to describe one element or feature relative to another as shown in the figures The relationship of a unit or feature. The term spatially relative position may be i...

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Abstract

The invention discloses a hot nozzle structure and a hot runner injection molding system. The hot nozzle structure comprises a hot nozzle body, guiding nozzle tips and a sprue sleeve, wherein the hotnozzle body is internally provided with the guiding nozzle tips, and the sprue sleeve is arranged at the end of the hot nozzle body in a sleeving manner. The sprue sleeve is provided with a sprue. Theguiding nozzle tips comprise the first nozzle tip and the second nozzle tip, and the second nozzle tip is arranged outside the first nozzle tip in a sleeving manner. The first nozzle tip comprises afirst nozzle tip body and a nozzle tip end, wherein the first nozzle tip body is arranged to be in a cylindrical shape, and the nozzle tip end is arranged at the end of the first nozzle tip body and is in an inverted-cone shape. The nozzle tip end is provided with a nozzle tip locating hole. The nozzle tip locating hole is arranged to be coaxial with the sprue, and the inner diameter of the nozzletip locating hole is the same as that of the sprue. A valve needle is located through the nozzle tip locating hole in the nozzle tip end so that the sprue can be controlled to be opened and closed. The hot nozzle structure is provided with the new guiding nozzle tips, and therefore, in the molding process, the valve needle can complete precision location of molding of the sprue through guiding ofthe nozzle tip locating hole; and the molding effect is remarkably improved.

Description

technical field [0001] The invention belongs to the technical field of hot runner injection molding, and particularly relates to a hot nozzle structure and a hot runner injection molding system. Background technique [0002] A hot runner is a collection of heating components used in injection molds to inject molten plastic into the cavity of the mold. The hot runner system is generally composed of hot nozzles, manifolds, temperature control boxes and accessories. The form of the hot nozzle directly determines the selection of the hot runner system and the manufacture of the mold, so the hot runner system is often divided into an open hot runner system and a valve needle hot runner system accordingly. [0003] In the valve needle type hot runner system, the valve needle is driven to move by the valve needle drive system, the valve needle moves in the hot nozzle, and the end of the valve needle is matched with the gate to realize the opening and closing of the gate. However,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/27B29C45/28
CPCB29C45/27B29C45/2806
Inventor 李象烈
Owner YUDO SUZHOU HOT RUNNER SYST
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