Multi-nozzle side gate hot runner system

A technology of hot runner and side gate, which is applied in the field of hot runner system of side gate of multi-head nozzle, can solve the problem of low temperature at the end of the gate core of multi-head nozzle, reduce heat loss, reduce heat dissipation, and reduce contact area effect

Pending Publication Date: 2019-12-03
苏州英新泰精密模具有限公司
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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 hot runner system for the side gate of the multi-head nozzle

Method used

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  • Multi-nozzle side gate hot runner system
  • Multi-nozzle side gate hot runner system
  • Multi-nozzle side gate hot runner system

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Experimental program
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Embodiment Construction

[0018] Below in conjunction with specific embodiment, content of the present invention is described in further detail:

[0019] Such as figure 2 , image 3 As shown, a multi-head nozzle side gate hot runner system is used to be installed in the mold. The main body 1 coaxially arranges the multi-head nozzle gate core 4, the positioning ring 10 for fixing the multi-head nozzle gate core 4 and the support adjustment meson 11.

[0020] The outer wall of the heat-insulating rubber bushing 2 has a protruding and ring-shaped mold sealing surface 3. The radial section of the heat-insulating rubber bushing 2 is a pair of symmetrical C-shaped, and the inner wall has two upper and lower sides. The end is in interference fit with the outer wall of the main body 1 of the flow channel, and the middle part of the inner wall is in clearance fit with the main body 1 of the flow channel.

[0021] The multi-head sprue core 4 has eight nozzle heads 5 that extend outward and are evenly distrib...

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Abstract

The invention relates to a multi-nozzle side gate hot runner system. The multi-nozzle side gate hot runner system comprises a runner main body, a heat insulation sealant bushing arranged outside the runner main body, a multi-nozzle gate core coaxially arranged with the runner main body, a positioning ring for fixing the multi-nozzle gate core and a support adjusting meson, the outer side wall of the heat insulation sealant bushing is provided with an annular die sealing compound face which is arranged in an outwards-protruding mode. The multi-head nozzle side gate core is provided with a plurality of nozzle heads which extend outwards and are annularly and uniformly distributed, a main runner and a plurality of branch runners extending into the nozzle heads are arranged in the multi-nozzleside gate core, a sheath is arranged outside the multi-nozzle side gate core, and a plurality of discharge holes aligned with the nozzle heads are uniformly distributed in the outer wall of the sheath; the upper end face of the supporting adjusting meson is attached to the lower end face of the multi-nozzle side gate core, and the lower end is fixedly connected with a screw. Compared with a traditional structure, the heat insulation sealant bushing is newly added, meanwhile, the installation mode of the supporting adjusting meson is improved, and heat loss can be effectively reduced.

Description

technical field [0001] The invention relates to the technical field of hot runners, in particular to a hot runner system with a side gate of a multi-head nozzle. Background technique [0002] A hot runner is a heating component system used in injection molds to inject molten plastic particles into the cavity of the mold. The hot runner mold is a new structure that heats the runners and runners of the traditional mold or the three-plate mold, and does not need to take out the runners and runners during each forming. The hot runner is guaranteed by heating. The plastic in the runners and gates remains molten. Since there are heating rods and heating rings near or in the center of the runner, the entire runner from the nozzle outlet of the injection molding machine to the gate is in a high temperature state, so that the plastic in the runner keeps melting. Generally, it is not necessary to open the runner to take out the condensation When starting the machine again, it only n...

Claims

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Application Information

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IPC IPC(8): B29C45/27
CPCB29C45/27B29C45/2708
Inventor 杨利英
Owner 苏州英新泰精密模具有限公司
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