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Anti-reflux valve for injection molding machine

A technology of anti-reflux valve and injection molding machine, which is applied in the field of anti-reflux valve for injection molding machines, which can solve the problems of complex structure and poor anti-flow effect of the anti-reflux valve, and achieve the effect of simple structure and good anti-reflux effect

Active Publication Date: 2018-01-05
苏州乔布注塑工业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Usually, it is necessary to install an anti-reflux valve at one end of the screw, and the structure of the anti-reflux valve in the prior art is complicated, and the anti-flow effect is poor

Method used

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  • Anti-reflux valve for injection molding machine

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Embodiment Construction

[0014] Specific embodiments of the present invention will be further described in detail below.

[0015] Such as Figure 1-2 As shown, the present invention includes a circular valve body 2 which is arranged in the barrel and can slide axially along the barrel. The valve body 2 is a transition fit with the barrel. It is characterized in that the valve body One end surface of 2 is also fixedly connected with a hollow sliding sleeve 4, the free end of the sliding sleeve 4 is provided with a first through hole 6 communicating with its hollow inner cavity, and the sliding sleeve 4 is also provided with a A sliding circular slider 8, the slider 8 and the valve body 2 are provided with a first channel 10 and a second channel 12 that are axially penetrated, when the valve body 2 is attached to the slider 8 , the adjacent openings of the first channel 10 and the second channel 12 do not overlap at all.

[0016] As a further improvement of the present invention, the first channel 10 ...

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Abstract

The present invention discloses an injection molding machine check valve, which comprises a round valve body (2) arranged in a material cylinder and capable of sliding along the axial direction of the material cylinder, wherein the round valve body (2) and the material cylinder form transition fit. The injection molding machine check valve is characterized in that a hollow sliding sleeve (4) is fixedly connected to one end of the valve body (2), the free end of the sliding sleeve (4) is provided with a first through hole (6) communicated to the hollow cavity of the sliding sleeve, a round sliding block (8) only sliding along the axial direction is arranged inside the sliding sleeve (4), the sliding block (8) and the valve body (2) are respectively provided with a first channel (10) and a second channel (12), the first channel (10) and the second channel (12) are axially communicated, and when the valve body (2) and the sliding block (8) are attached, the adjacent openings of the first channel (10) and the second channel (12) do not coincide completely. With the injection molding machine check valve of the present invention, the problems in the prior art are solved, the structure is simple, and the good reflux stopping effect is provided.

Description

technical field [0001] The invention relates to an anti-reflux valve for an injection molding machine. Background technique [0002] Injection molding machine, also known as injection molding machine or injection machine, is called beer machine (pi ji) in many factories, and injection molding products are called beer pieces. It is the main molding equipment for making thermoplastics or thermosetting materials into various shapes of plastic products with plastic molding molds. Injection molding machines can be divided into vertical type, horizontal type and vertical-horizontal compound type according to the arrangement of injection device and clamping device. [0003] The commonly used injection molding machine in the prior art is a screw injection molding machine. The principle is that when the screw rotates in the barrel, the plastic particles in the barrel are drawn into the screw groove of the screw, and gradually compacted, exhausted, and plasticized. , and constantly ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C45/58
CPCB29C45/581
Inventor 程树年
Owner 苏州乔布注塑工业有限公司
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