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Mold clamping device and injection molding machine

A technology of a mold clamping device and a holding device, which is applied in the field of mold clamping devices and injection molding machines, can solve problems such as bending damage of a rod portion 122, and achieve the effects of suppressing bending damage, simplifying the shape, and improving productivity.

Active Publication Date: 2014-09-03
MITSUBISHI HEAVY INDS PLASTIC TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] As a result, as Figure 16 As shown, a bending force is generated at the front end portion of the rod portion 122 fixed to the side surface of the half nut 121 to cause bending damage of the rod portion 122.

Method used

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  • Mold clamping device and injection molding machine
  • Mold clamping device and injection molding machine
  • Mold clamping device and injection molding machine

Examples

Experimental program
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Embodiment Construction

[0052] Below, refer to Figure 1 to Figure 7 , the first embodiment of the present invention will be described.

[0053] figure 1 , figure 2 It is a figure which shows the mold clamping apparatus used, for example in an injection molding machine concerning 1st Embodiment, and the code|symbol 1 shows a mold clamping apparatus. in addition, Figure 3 ~ Figure 7 It is a figure explaining the half nut opening and closing device (mold clamping holding device) 20 .

[0054] The mold clamping device 1 includes a base 10 of a molding machine main body, a fixed die plate 11 , a movable die plate 12 , tie rods 15 , a movable die plate moving mechanism 17 , and a half nut opening and closing device 20 .

[0055] Such as figure 1 , figure 2 As shown, a fixed template 11 is provided on one end side of the base 10 , and a movable template 12 is arranged to be slidable with respect to the base 10 and to face the fixed template 11 .

[0056] A fixed mold 13 can be installed on the ...

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PUM

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Abstract

The invention provides a mold clamping device which is provided with a fixed platen where a fixed mold is arranged, a movable platen where a movable mold which defines a cavity in conjunction with the fixed mold is arranged and which is movable relative to the fixed platen, a tie bar which resists the mold clamping force generated between the fixed platen and the movable platen, and a half nut opening / closing device (20) which holds the tie bar and engages the movable platen and the tie bar. This mold clamping device is characterized in that the half nut opening / closing device (20) is provided with half nuts (21, 22) which hold the tie bar, an actuator (30) which is arranged on the movable platen and which advances and retracts the half nuts (21, 22) relative to the tie bar, and a clevis (32) which swingably connects the actuator (30) and the half nuts (21, 22). This mold clamping device makes it possible to suppress bending damage to the rod (31) of the actuator (30).

Description

technical field [0001] The present invention relates to a mold clamping device and an injection molding machine. The mold clamping device comprises: a fixed template of an injection molding machine or a die-casting molding machine, a movable template, a tie rod connecting the movable template and the fixed template, and holding the rod by holding the tie rod. Mold clamping holding device for clamping force. Background technique [0002] As is well known, in a molding machine represented by an injection molding machine, there is a structure in which the molding (such as Clamping force during injection molding). [0003] In the molding machine of the above-mentioned structure, the mold clamping device with the following structure is widely used: when the movable platen and the fixed platen are in the mold clamping state, the locking shape part formed on the tie rod is grasped by half nuts, etc., so that the movable The template is held by a fixed template (for example, refer...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/64B22D17/26
CPCB29C45/6728B22D17/263B29C45/68B29C2045/688
Inventor 加藤直纪
Owner MITSUBISHI HEAVY INDS PLASTIC TECH