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Hot runner nozzle of pin-point gate

A hot runner nozzle and point gate technology, applied in the field of point gate hot runner nozzles, can solve the problems of large flow resistance, poor fluidity, and inability to change colors quickly, and achieve smooth flow, high practicability, and rapid change. color effect

Inactive Publication Date: 2014-09-03
苏州洛世奇热流道科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The following technical problems exist in the prior art: 1. For plastic materials with relatively poor fluidity, the flow resistance of the existing nozzle core structure is relatively large
2. The existing nozzle core structure cannot change color quickly

Method used

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  • Hot runner nozzle of pin-point gate
  • Hot runner nozzle of pin-point gate
  • Hot runner nozzle of pin-point gate

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0016] refer to figure 1 As shown, a point gate hot runner nozzle includes a sprue bushing 200 coaxially connected to one end of the nozzle body 100, and a torpedo nozzle core 1 is coaxially connected to the sprue bushing 200, and the torpedo nozzle core 1 is Shuttle-shaped structure, three arc-shaped runners 11 are opened on the surface in the axial direction, and one end of the torpedo nozzle core 1 is arranged outside the sprue sleeve 200 .

[0017] The torpedo nozzle core 1 is clamped in the step formed between the sprue bushing 200 and the nozzle body 100 through the boss 12 provided on the outer edge of the middle part.

[0018] The nozzle body 100 cooperates with the heater to maintain a constant temperature, and is connected to the flow channel of the diverter plate to provide a flowable channel for the plastic material. Th...

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Abstract

The invention discloses a hot runner nozzle of a pin-point gate. The hot runner nozzle of the pin-point gate comprises a gate bush which is coaxially connected to one end of a nozzle body; a torpedo-shaped nozzle core is coaxially connected into the gate bush and is of a fusiform structure; three runners with arc-shaped sections are axially formed in the surface of the nozzle core; one end of the torpedo-shaped nozzle core is arranged outside the gate bush. The arc-shaped runners are formed in the nozzle core, so that a plastic material with relatively poor fluidity flows smoothly; meanwhile, a relatively quick color changing function can be achieved; the hot runner nozzle of the pin-point gate is relatively high in practicability.

Description

technical field [0001] The invention relates to the field of hot runner molds and injection molding, in particular to a point gate hot runner nozzle. Background technique [0002] Hot runner nozzles are used in injection molds. With the development of injection molds, hot runners have been widely used in injection molds. Hot runner nozzles are an indispensable and important part of hot runners. The following technical problems exist in the prior art: 1. For plastic materials with relatively poor fluidity, the flow resistance of the existing nozzle core structure is relatively large. 2. The existing mouth core structure cannot change color quickly. Contents of the invention [0003] The purpose of the present invention is to overcome the above problems existing in the prior art, and provide a point gate hot runner nozzle, which improves the fluidity of plastic materials and realizes rapid color change. [0004] In order to achieve the above-mentioned technical purpose and...

Claims

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Application Information

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IPC IPC(8): B29C45/27B29C45/30
CPCB29C45/2711B29C2045/2719
Inventor 王小松刘胜利罗志刚严华赵佩兵
Owner 苏州洛世奇热流道科技有限公司
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