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injection molding machine

A technology of injection molding machine and mold clamping force, which is applied in the field of injection molding machines, can solve the problems of unstable mold opening action and high power consumption, and achieve the effect of stabilizing mold opening action and reducing power consumption

Inactive Publication Date: 2016-08-24
SUMITOMO HEAVY IND LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If the mold opening command is issued in the state where the mold clamping force is high, the power consumption for the mold opening operation will increase, or the mold opening operation will become unstable.

Method used

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Embodiment Construction

[0020] Hereinafter, modes for implementing the present invention will be described with reference to the drawings. In each drawing, the same or corresponding components are assigned the same or corresponding symbols and descriptions thereof are omitted. In addition, the moving direction of the movable platen when the mold is closed is set as the front, and the moving direction of the movable platen when the mold is opened is set as the rear.

[0021] figure 1 It is a figure which shows the state at the time of mold closing and the time of mold closing of the injection molding machine based on one embodiment of this invention. figure 1 In , the solid line indicates the state when the mold is closed, and the double-dot dash line indicates the state when the mold is closed. figure 2 It is a figure which shows the state at the time of mold opening of the injection molding machine based on one embodiment of this invention.

[0022] In the figure, 10 is an injection molding machi...

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Abstract

The invention provides an injection molding machine, which can lower electric power consumption for die opening operations and stabilize die opening operatins. The injection molding machine (10) comprises a die opening / closing drive part (e.g. linear motor) (28) for driving die opening / closing operations; a die spotting drive part (e.g. electromagnet) (49) driving die spotting operations; and a control part (60) controlling the motion of the die opening / closing drive part (28) and the motion of the die spotting drive part (49). The control part (60) comprises a spotting force monitor part (64) for monitoring whether the spotting force is below a preset value while releasing the spotting force. When the spotting force is detected by the spotting for monitor part (64) to be below the preset value, then the die opening / closing drive part (28) starts die opening operations.

Description

technical field [0001] This application claims priority based on Japanese Patent Application No. 2011-284098 filed on December 26, 2011. The entire content of this application is incorporated in this specification by reference. [0002] The invention relates to an injection molding machine. Background technique [0003] The injection molding machine molds a molded product by filling the cavity space of the mold unit with molten resin and solidifying it. The mold device is composed of a fixed mold and a movable mold, and a cavity space is formed between the fixed mold and the movable mold when the molds are closed. The mold closing, mold clamping and mold opening of the mold device are carried out by the mold clamping device. As a mold clamping device, a mold clamping device including a mold opening and closing drive unit (for example, a linear motor) for driving the mold opening and closing operation and a mold clamping drive unit (for example, an electromagnet) for drivi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C45/64B29C45/76
CPCB29C45/64B29C45/7653B29C2945/76013B29C2945/76224
Inventor 柴田达也高桥胜
Owner SUMITOMO HEAVY IND LTD
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