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injection molding machine

A technology for injection molding machines and moving parts, applied in the field of injection molding machines, can solve problems such as the balance destruction of the clamping force and the deterioration of the quality of the molded products.

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

AI Technical Summary

Problems solved by technology

[0005] In the past, the balance of the clamping force was disrupted, and the quality of the molded product deteriorated, such as burrs around the molded product.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 Embodiment approach

[0019] figure 1 It is a figure which shows the state at the time of completion|finish of mold closing of the injection molding machine concerning 1st Embodiment of this invention. figure 2 It is a figure which shows the state at the time of completion|finish of mold opening of the injection molding machine concerning 1st Embodiment of this invention.

[0020] The injection molding machine includes a mold clamping device 10 and the like that perform mold closing, mold clamping, and mold opening of the mold device 30 . The mold device 30 is constituted by, for example, a stationary mold 32 and a movable mold 33 . The mold device 30 is maintained at a predetermined temperature by a mold thermostat.

[0021] The mold clamping device 10 has a frame 11, a fixed platen 12 as a first fixed member, a movable platen 13 as a first movable member, a rear platen 15 as a second fixed member (and a mold clamping member), and a second The suction member 18 of the movable member, the linea...

no. 2 Embodiment approach

[0063] The suction member support portion of the present embodiment is different from the suction member support portion of the first embodiment in that it has a connection portion whose one end portion is relatively rotatably connected to the suction member. Hereinafter, the differences will be mainly described.

[0064] image 3 It is a figure which shows the adsorption|suction member and the adsorption|suction member support part which concern on 2nd Embodiment of this invention. The suction member support portion 148 supports the side surface of the suction member 118 . The suction member support portion 148 may be provided on the left and right sides of the suction member 118 so as to sandwich the center position of the suction member 118 (specifically, the center position of the attachment position of the rod 119 in the suction member 118 ). In addition, the adsorption member support portion 148 may support the surface (rear end surface) on the opposite side to the ads...

no. 3 Embodiment approach

[0079] The suction member support portion of the present embodiment has a plurality of connecting portions in which one end portion is connected to the suction member at different distances from the frame, and the other end portions of the plurality of connecting portions are relatively movable. It differs from the adsorption member support part of 1st Embodiment, and a different point is mainly demonstrated below.

[0080] Figure 4 It is a figure which shows the adsorption|suction member and the adsorption|suction member support part which concern on 3rd Embodiment of this invention. The suction member support portion 248 supports the side surface of the suction member 218 . The suction member support portions 248 may be provided on the left and right sides of the suction member 218 so as to sandwich the center position of the suction member 218 (specifically, the center position of the attachment position of the rod 219 in the suction member 218 ). In addition, the adsorp...

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PUM

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Abstract

The invention discloses an injection molding machine having good balanced mold clamping force. The injection molding machine comprises a first fixing part (12), which is provided with a fixed mold (32); a first movable part (13), which is provided with a movable mold (33); a second movable part (18), which can move along with the first movable part (13); a second fixing part (15), which is disposed between the first movable part (13) and the second movable part (18). A mold clamping force generation part (24) can be generated by the absorption force of an electromagnet (25) formed by the second movable part (18) and the second fixing part (15). At least one supporting parts (48) used for supporting the first fixing part (12), the first movable part (13), the second movable part (18), and the second fixing part (15) on different positions having different distances from the frame (11).

Description

technical field [0001] This application claims priority based on Japanese Patent Application No. 2013-072869 filed on March 29, 2013. The entire content of this application is incorporated into this specification by reference. [0002] The present invention relates to an injection molding machine. Background technique [0003] The injection molding machine has a mold clamping device that performs mold closing, mold clamping, and mold opening of the mold device. The mold device consists of a fixed mold and a movable mold. The mold clamping device has: a first fixed member on which the fixed mold is mounted; a first movable member on which the movable mold is mounted; a second movable member which moves together with the first movable member; and a second fixed member disposed on between the first movable member and the second movable member. A mold clamping force generating portion that generates a mold clamping force by the suction force of the electromagnet is constitut...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C45/64
CPCB29C45/64B29C2045/645
Inventor 小木曾太郎森田洋
Owner SUMITOMO HEAVY IND LTD
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