Plastic microinjection structure additionally with longitudinal-torsional ultrasonic vibration

An ultrasonic vibration and micro-injection technology, applied in the field of tight manufacturing, can solve problems such as low efficiency and poor injection accuracy, and achieve the effects of reducing energy consumption, avoiding pores and warping, and saving costs.

Active Publication Date: 2014-04-16
苏州创聚信电子科技有限公司
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] The technical problem mainly solved by the present invention is to provide a plastic micro-injection structure with longitudinal torsional ultrasonic vibration, which has reasonable design and simple structure, and improves the problems of poor injection accuracy and low efficiency.

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  • Plastic microinjection structure additionally with longitudinal-torsional ultrasonic vibration

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Embodiment Construction

[0012] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0013] Please refer to the attached figure 1 , the embodiment of the present invention includes:

[0014] A plastic microinjection structure with longitudinal torsional ultrasonic vibration, such as figure 1 , which includes an injection sleeve 2 and a housing 1; the end of the injection sleeve 2 is an injection nozzle 3; the side wall of the injection sleeve 2 is also provided with a feed port 9 for filling raw materials. The injection sleeve 2 is connected with the shell 1. An injection screw 5 is arranged in the inner cavity of the injection sleeve 2. The surface of the injection screw 5 is processed with an asymmetrical spiral groove 7. One ...

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Abstract

The invention discloses a plastic microinjection structure additionally with longitudinal-torsional ultrasonic vibration. The plastic microinjection structure comprises a housing and an injection sleeve connected with the housing, wherein an injection nozzle is formed in one end part of the injection sleeve; a piezoelectric ceramic piece for energy conversion is arranged in the housing; an injection screw rod is arranged in the injection sleeve and is fixedly connected with the piezoelectric ceramic piece in the housing; the piezoelectric ceramic piece is electrified to enable the injection screw rod to generate the high-frequency longitudinal-torsional ultrasonic vibration. According to the plastic microinjection structure provided by the invention, an axial reciprocating vibration part is decomposed into circumferential high-frequency torsion by virtue of a injection screw rod structure, so that a plastic raw material is further sheared and thinned, the injection operation is smoothly and uniformly performed under the conditions of relatively low pressure and temperature, and the influence of pores and warpage of a plastic product on the precision of the product and the working efficiency of a machine is avoided.

Description

technical field [0001] The invention relates to the technical field of compact manufacturing, in particular to a plastic micro-injection structure with longitudinal torsional ultrasonic vibration added. Background technique [0002] With the rapid development of high-tech and precision technology, in the fields of optical communication, computer data storage, medical and biotechnology, micro-optical devices, electronics and consumer products, there is a rapidly growing demand for plastic micro-injection molding products. Plastic microinjection molding is used to produce products whose overall size or characteristic functional area size requires millimeters or even microns. Due to the various advantages of injection technology and the advantages of polymer materials in oxidation resistance, corrosion resistance, easy molding, and high specific strength compared with other materials, plastic micro-injection molding technology based on polymer materials has suddenly emerged and...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/58
CPCB29C45/50B29C45/5008
Inventor 汪红兵李志荣孙春华李耀辉任芸丹李宏伟田菲
Owner 苏州创聚信电子科技有限公司
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