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Ejector and molding machine comprising same

A technology of ejector and molding machine, applied in the field of ejector, can solve problems such as damage to the motor

Active Publication Date: 2021-07-13
APTIV TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This sudden stop of the electric motor can subject the motor to undesired forces which can damage the motor

Method used

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  • Ejector and molding machine comprising same
  • Ejector and molding machine comprising same
  • Ejector and molding machine comprising same

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Embodiment Construction

[0042] The following detailed description refers to the accompanying drawings, which show, by way of illustration, specific details and embodiments in which the invention may be practiced.

[0043] The word "exemplary" is used herein to mean "serving as an example, instance, or illustration." Any implementation or design described herein as "exemplary" is not necessarily to be construed as a preference or advantage over other implementations or designs.

[0044] Figure 1a A cross-sectional view of one embodiment of a core plate with ejectors according to the present disclosure is shown.

[0045] The ejector is located inside the core board 1 . The core plate 1 has a first side with a front surface 4 which is pushed onto the cavity plate when working in the molding machine. The ejector includes a first plate portion 2 and a second plate portion 3, which together may be referred to as an ejector plate. The first plate part 2 and the second plate part 3 are movable inside the...

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PUM

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Abstract

An ejector and a molding machine comprising the same are provided. The ejector comprises an ejector plate comprising a distance block attached to the ejector plate for limiting the motion of the ejector plate. Further, the ejector comprises an ejector rod, wherein the ejector rod comprises a first end portion and a second end portion, the first end portion being located in the opening of the ejector plate, wherein the ejector rod has a first initial position relative to the ejector plate and wherein the first end portion of the ejector rod is configured for being pushed in the direction of the ejector plate by a first force applied to the second end portion of the ejector rod. Also, the ejector comprises a spring placed around the first end portion of the ejector rod and coupled to the ejector plate, wherein the spring is configured, upon applying of the first force to the second end portion of the ejector rod, to provide a second force to the ejector plate, which causes a motion of the ejector plate.

Description

technical field [0001] The present application relates to an ejector for an injection molding machine. Background technique [0002] Injection molding machines are used to produce molded parts of various shapes in an automated manner. The molding machine consists of two plates that when assembled (for example placed on top of each other) form a cavity into which molten material, such as plastic or resin, can be injected and hardened. For this reason, the shape of the cavity depends on the form of the part to be formed. For example, the cavity may form the outer surface of the molding, thereby forming the master of the molding. It can also be said that the cavity is the counterpart of the part to be formed. Thereby the cavities may be formed completely in the cavity plate, or at least partly in the cavity plate and partly in the core plate. After the molten material has hardened or solidified, the two plates are detached from each other so that the molded part can be remo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/40
CPCB29C45/401B29C45/84B29C45/4005B29C2045/4063
Inventor K·海因茨尔
Owner APTIV TECH LTD