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Injection molding machine

An injection molding machine and pedestal technology, which is applied in the field of injection molding machines, can solve the problems of damaging the pedestal and the large force exerted by the pedestal for fixing the sliding parts, and achieves the effect of restraining the damage.

Active Publication Date: 2014-08-20
SUMITOMO HEAVY IND LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Conventionally, when a sliding member such as a movable platen deforms due to mold clamping force or thermal stress, a large force is applied to the pedestal that fixes the sliding member, and the pedestal and the guide that guides the pedestal in the front-rear direction may be damaged.

Method used

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Examples

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no. 1 approach

[0039] figure 1 It is a figure which shows the state at the end of mold closing of the injection molding machine concerning 1st Embodiment of this invention. figure 2 It is a sectional view showing the structure of the movable platen according to the first embodiment of the present invention.

[0040] Such as figure 1 As shown, the injection molding machine 10 includes, for example, a frame 11, a fixed platen 12, a movable platen 13, a base 14, a rear platen 15 as a support, a connecting rod 16, a guide 17, a toggle mechanism 20, a mold clamping motor 26, and the like. .

[0041] The fixed platen 12 can be fixed on the frame 11 . The rear platen 15 is arranged at a distance from the fixed platen 12 . The rear platen 15 and the fixed platen 12 are connected by a plurality of (for example, four) connecting rods 16 . The rear platen 15 is mounted on the frame 11 so as to be able to advance and retreat in order to allow the extension of the connecting rod 16 during mold clos...

no. 2 Embodiment approach

[0069] In the first embodiment, the toggle mechanism and the mold clamping motor 26 constitute the mold clamping force generation mechanism. In this embodiment, however, the mold clamping force generation mechanism is constituted by the electromagnet formed on the rear platen and the suction portion formed on the suction plate.

[0070] image 3 It is a sectional view showing the state of the injection molding machine according to the second embodiment of the present invention at the end of mold closing. Such as image 3 As shown, the injection molding machine 110 includes, for example, a frame 111 , a fixed platen 112 , a movable platen 113 , a base 114 , a rear platen 115 , connecting rods 116 , guides 117 , suction plates 118 , and rods 119 .

[0071] The rear platen 115 can be fixed on the frame 111 . The fixed platen 112 is disposed at a distance from the rear platen 115 . The fixed platen 112 and the rear platen 115 are connected by multiple (for example, four) conne...

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Abstract

An injection molding machine is provided, which includes: a frame; a guide provided on the frame; a block that is movable along the guide; and a slide member that moves together with the block, wherein the slide member includes a slide member body and a plurality of coupling portions, the coupling portions coupling the slide member body and the block, and the coupling portions are provided such that the coupling portions are apart from each other.

Description

technical field [0001] This application claims priority based on Japanese Patent Application No. 2013-027164 filed on February 14, 2013. 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] Injection molding machines manufacture molded products by filling the cavity space of a mold unit with molten resin and solidifying it. The mold device is composed of a fixed mold and a movable mold. When the mold is closed, a cavity space is formed between the fixed mold and the movable mold. The molded product formed in the cavity space is ejected from the movable mold after the mold is opened (for example, refer to Patent Document 1). [0004] The fixed mold is installed on the fixed platen, and the movable mold is installed on the movable platen. The movable platen is fixed to the pedestal, and guides (for example, rails) that guide the pedestal in th...

Claims

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Application Information

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IPC IPC(8): B29C45/66
CPCB29C45/1761B29C2045/1763
Inventor 田中良忠
Owner SUMITOMO HEAVY IND LTD
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