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Mold closing mechanism of injection moulding machine

A technology of injection molding machine and mold clamping device, which is applied in the field of mold clamping device, and can solve the problem that it is difficult to take out molded products from the horizontal direction for maintenance

Active Publication Date: 2014-09-03
FANUC LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In Japanese Patent Application Laid-Open No. 2006-326962, the three platens are supported at the same height, but since the mold clamping mechanism is accommodated in the concave portion of the base, there are problems with maintenance and difficulty in taking out molded products from the lateral direction.

Method used

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  • Mold closing mechanism of injection moulding machine
  • Mold closing mechanism of injection moulding machine
  • Mold closing mechanism of injection moulding machine

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Embodiment Construction

[0032] In an injection molding machine, in order to suppress the deviation of the central axis of the mold caused by the external air temperature and the control of the mold temperature, the fixed platen, the rear platen, and the movable platen are supported at the same height as the central axis of the mold. Just a platen. A support plate for supporting the rear platen and the movable platen on the central axis of the mold is provided. The support plate is provided with a guide mechanism for guiding a slider provided on the movable platen at an upper portion of the support plate, and has a slider movable with respect to the base at a lower portion.

[0033] use Figure 1 ~ Figure 3 Embodiment 1 of the mold clamping device of the injection molding machine of the present invention will be described.

[0034] The clamping device of the injection molding machine consists of a fixed platen 2 and a rear platen 4 on the base 1, a plurality of connecting rods 5 connecting the fixed...

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PUM

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Abstract

The invention provides a mold closing mechanism of an injection moulding machine. A fixed pressing plate is supported by a supporing component. A rear pressing plate and a movable pressing plate are supported by a pair of pressing plates. The lower surface of the pressing plate is provided with a slider. The slider can move on rails of a base. The bulge portion of the movable pressing plate fixes the sliders. The movable pressing plate can move on the rails of the support plate. Thus, the fixed pressing plate, the movable pressing plate, and the rear pressing plate are supported at the same height with the central shaft of a metal mold.

Description

technical field [0001] The present invention relates to a mold clamping device for an injection molding machine in which the repetitive accuracy of mold operation is less likely to be affected by disturbances (outside air temperature, mold weight, mold opening and closing speed, wear of bushes and pins). Background technique [0002] The injection molding machine includes an injection unit and a mold clamping unit on a base frame. The mold clamping unit consists of a fixed platen mounted on the base frame, a rear platen, and a movable platen that moves between these platens. The injection unit includes an injection cylinder in which the nozzle is brought into contact with the mold attached to the fixed platen by a nozzle contact mechanism. [0003] The fixed pressing plate is fixed to the base frame on the lower surface of the pressing plate. The fixed platen and the rear platen are connected by a connecting rod, and the movable platen is configured to be movable parallel ...

Claims

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Application Information

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IPC IPC(8): B29C45/66
CPCB29C45/64B29C45/1761
Inventor 吉冈光志
Owner FANUC LTD