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Injection mold hot runner valve type vibration type nozzle device

A nozzle device and hot runner technology, applied in the field of injection mold hot runner valve type vibrating nozzle device, can solve the problems of difficult adjustment, high energy consumption, complex structure, etc., and achieve enhanced vibration effect, low energy consumption and simple structure. Effect

Active Publication Date: 2010-03-10
SHANGHAI HUFAN AUTOMOTIVE PLASTIC PARTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The vibrating devices currently used are generally mechanical, so they have the disadvantages of complex structure, difficult adjustment and high energy consumption

Method used

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  • Injection mold hot runner valve type vibration type nozzle device
  • Injection mold hot runner valve type vibration type nozzle device
  • Injection mold hot runner valve type vibration type nozzle device

Examples

Experimental program
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Embodiment 1

[0019] Embodiment 1 shown in the drawings has a mold body and a control cabinet 13, and the mold body includes a fixed template 1 and a splitter template 2 for realizing hot runner diversion. The fixed template 1 is composed of an upper fixed template 1-1 and a lower fixed template 1-2, the splitter template 2 is located in the cavity of the lower fixed template 1-2, and a heating ring 10 is arranged around the splitter template 2.

[0020] The middle part of the splitter template 2 is provided with a horizontal splitter channel 2-1, and the fixed template 1 is provided with a vertical fixed template main channel 1-3 and at least two vertical fixed template valve holes 1-4, and the fixed template valve hole 1 The number of -4 depends on the number of product mold cavity gates, and the figure shows two fixed template valve holes 1-4. In the embodiment, a bushing 7 is provided at the position of the sprue 1-3 of the fixed template, and the central hole of the bush 7 is the sprue...

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Abstract

An injection mold hot runner valve type vibration type nozzle device is provided with a mold body which comprises a fixed template and a shunting template, wherein the shunting template is provided with a sub-runner and the fixed template is provided with a fixed template main runner and at least two fixed template valve holes; the upper part of the shunting template is provided with a shunting template main runner and a shunting template valve hole; a valve rod is respectively arranged in each fixed template valve hole and the shunting template valve hole below the fixed template valve hole;discharging holes are arranged at the lower part of the shunting template; a nozzle is arranged in each discharging hole; the diameter of the bottom part of the valve rod is larger than the diameter of the upper port of the nozzle; a vibration-starting piece which is connected at the upper end of the valve rod, a gate switch located at the side of the vibration-starting piece, and a spring locatedbelow the vibration-starting piece, are arranged in each fixed template valve hole; the vibration-starting piece comprises a shell body and a vibration-starting ring; the switch of the valve rod to the nozzle is controlled by the gate switch; and each vibration-starting coil and the gate switch are controlled by a control circuit. The injection mold hot runner valve type vibration type nozzle device has the advantages of simple structure, low energy consumption and convenient adjustment.

Description

technical field [0001] The invention relates to a valve-type vibrating nozzle device of a hot runner of an injection mold. Background technique [0002] The Chinese Patent No. 200720041512.8 discloses a valve type nozzle device for hot runner of injection mold. One valve stem, each valve stem can open and close each gate of the hot runner in sequence under the control of its own control mechanism, using the above-mentioned injection mold hot runner valve nozzle device, can realize the dynamic control of the polymer melt filling mode, and achieve The effect of eliminating the weld line or placing the weld line in the low stress area of ​​the plastic product is conducive to improving the mechanical properties of the product. However, when the traditional injection molding is filled with the polymer melt, because the temperature of the mold wall is lower than the melt temperature and the viscosity of the melt, there is a velocity gradient in the flow of the melt in the film ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/27B29C45/28
Inventor 谭文胜吴志祥
Owner SHANGHAI HUFAN AUTOMOTIVE PLASTIC PARTS
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