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Nozzle of injection molding machine

A technology for injection molding machines and nozzles, which is applied in the field of injection molding machine nozzles. It can solve problems such as uneven mixing of color masterbatches, blockage of nozzles, impact on molds, etc., and achieve the effects of reasonable design, prevention of erosion and corrosion, and prolonging service life.

Pending Publication Date: 2018-01-23
NINGBO XINKETUO MACHINERY MFG CO LTD
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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 an injection molding machine nozzle that can effectively filter out hard lumps or impurities, prevent hard lumps or impurities from clogging the nozzle or impacting the mold, and can solve the problem of uneven mixing of color masterbatch in raw materials

Method used

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  • Nozzle of injection molding machine
  • Nozzle of injection molding machine
  • Nozzle of injection molding machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Such as figure 1As shown, the existing nozzle of the injection molding machine includes a connection part 1 for connecting the injection molding machine, for screwing the connection part 1 to the outer hex nut 2 of the injection molding machine, and connecting the connection part 1 and the outer hex nut 2. The hexagon nut 2 is formed into the spray chamber 3 and the nozzle 4 in one piece. In the injection molding machine nozzle in the present embodiment, a dirt isolation assembly is added in the spray cavity 40 of the existing injection molding machine nozzle. The dirt isolation assembly includes several dirt isolation components, and each dirt isolation component includes a cylindrical housing 80. And the dirt-blocking baffle 90 arranged in the housing 80, the dirt-blocking baffle 90 can block hard blocks or impurities, prevent them from continuing to flow in the injection molding raw material fluid, and prevent them from clogging the nozzle 70, the dirt-blocking The ...

Embodiment 2

[0036] Such as figure 2 , image 3 , Figure 4 As shown, the difference from Embodiment 1 is that in this embodiment, the preferred dirt-separating baffle 90 is in the shape of a tile with a concave-convex surface, so that when the fluid flows through the dirt-separating baffle 90, the fluid absorbed by the dirt-separating baffle 90 The hard blocks or impurities gather on the concave surface of the dirt-blocking baffle 90 , and the dirt-blocking baffle 90 will not hinder the flow of fluid due to the accumulation of hard blocks or impurities. There is also a filter hole 901 on the dirt-separating baffle 90, which increases the contact area between the dirt-separating baffle 90 and the fluid, and the dirt-separating baffle 90 can better absorb hard blocks or impurities in the fluid, thereby preventing the spray chamber 40 from And the nozzle 70 is clogged with hard lumps and impurities. The dirt-separating assembly is detachably arranged in the spray chamber 40, so after a p...

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Abstract

The invention discloses a nozzle of an injection molding machine. A dirt isolation module is additionally arranged in an injecting cavity, and comprises multiple dirt isolation parts; each dirt isolation part comprises a cylindrical shell, and a dirt isolation baffle plate arranged in the shell; the dirt isolation baffle plates are magnetic components, and can absorb hard blocks or impurities on the surfaces to prevent blockage of the injecting cavity and the nozzle due to feeding into the injecting cavity and the nozzle along with injection molding raw material fluids; the dirt isolation baffle plates are staggered on the inner wall of the injecting cavity to increase the contacted areas between the fluids and the dirt isolation baffle plates, so that the hard blocks or the impurities inthe fluids are easier to contact with the dirt isolation baffle plates to be absorbed by the baffle plates; the injecting cavity, the nozzle and a connecting part are in threaded connection, so that the injecting cavity can be disassembled for replacement or cleaning as needed to achieve convenience, practicability and reasonable design; and the shells of the dirt isolation parts are made of corrosion-resistance and wear-resistance polytetrafluoroethylene materials, so that the scouring corrosion of the injection molding raw material fluids to the shells is effectively prevented, the service life of the shells is prolonged, and the service life of the nozzle is prolonged.

Description

technical field [0001] The invention relates to the technical field of injection molding, more specifically, it relates to a nozzle of an injection molding machine. Background technique [0002] With the wide application of plastic materials in various industrial fields, the manufacturing process, manufacturing technology and manufacturing equipment of plastic materials have also been greatly developed. Injection molding is one of the manufacturing techniques that use more plastic materials. Injection molding generally melts the resin material in the barrel, and through the push of the screw, the molten material is quickly injected into the mold cavity through the nozzle, and then the injection molding product is obtained after curing and shaping, where the nozzle is the transition between the barrel and the mold part. [0003] Such as figure 1 As shown, the existing injection molding nozzle includes a connecting part 1 for connecting the injection molding machine, for sc...

Claims

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Application Information

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IPC IPC(8): B29C45/20B29C45/24
Inventor 曹万渝
Owner NINGBO XINKETUO MACHINERY MFG CO LTD
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