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Clamping mechanism for injection molding machines

A mold clamping mechanism and injection molding machine technology, which is applied in the field of injection molding machines, can solve problems such as uneven distribution of clamping force, influence on product quality, and large wear and tear, and achieve the effects of easy mold removal, reduced energy consumption, and extended service life

Active Publication Date: 2014-10-08
宁波甬华塑料机械制造有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The two-plate mold clamping mechanism in the prior art also needs a large clamping force generated by the oil cylinder. However, the use of an oil cylinder not only consumes a lot of energy and wears a lot, but also has uneven distribution of the clamping force, which affects the quality of the product, and cannot solve the above problems. technical problem

Method used

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  • Clamping mechanism for injection molding machines
  • Clamping mechanism for injection molding machines
  • Clamping mechanism for injection molding machines

Examples

Experimental program
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Effect test

Embodiment 1

[0025] The difference between embodiment 1 and 2 lies in the difference of the mold moving mechanism. Embodiment 1 is designed for the mold clamping mechanism of a common injection molding machine, while embodiment 2 is suitable for a two-platen mold clamping mechanism.

[0026] Such as image 3 As shown, a schematic structural diagram of the lock nut used in Embodiment 2 is given. The lock nut includes a two-half nut body 2.1 and a linkage mechanism. The two-half nut body 2.1 is composed of two symmetrical parts. Each part is provided with two shaft holes, and the inner surface of the nut body is provided with a slot 2.2. The linkage mechanism includes a connecting rod 2.3, two sliding pins 2.4 and four common pins 2.5. The four Ordinary pin shafts 2.5 are respectively placed in the four shaft holes, one end of the connecting rod 2.3 is sleeved on the sliding pin shaft 2.4, and the other end is sleeved on the ordinary pin shaft 2.5; in addition to these, the lock nut also inc...

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Abstract

The invention discloses a die clamping mechanism used for an injection molding machine. The die clamping mechanism comprises a die transferring mechanism, a movable template (4), a front template (5), a pull rod (6) and a die (7), wherein the die (7) is arranged between the movable template (4) and the front template (5) and sheathed on the pull rod (6), an ejection oil cylinder (8) used for demolding of the die is arranged at the movable template (4), and the die transferring mechanism is connected with the movable template (4). The die clamping mechanism further comprises an air bag assembly (9), wherein the air bag component (9) is arranged between the die (7) and the front template (5) and provided with an air inflation hole. With the die clamping mechanism, the wear of parts is reduced, the service life is prolonged, and the die clamping mechanism has the advantages of being energy-saving and convenient in demolding.

Description

technical field [0001] The invention relates to the field of injection molding machines, in particular to a mold clamping mechanism for injection molding machines. Background technique [0002] The mold clamping mechanism is an important mechanism of the injection molding machine. It is also a key device for completing the injection molding process, and mainly realizes mold opening and mold closing. The mold clamping mechanism of the prior art generally includes a mold clamping oil cylinder, a toggle mechanism, a rear template, a movable template, a front template, a tie rod and a mould. The mold oil cylinder is fixed on the rear template, and the piston end of the clamping cylinder is connected with the toggle mechanism to drive the toggle mechanism. The mold is set between the movable template and the front template and is set on the pull rod. Equipped with an ejection cylinder for demoulding of the mould. When the mold clamping mechanism is working, first locate the pos...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C45/64
Inventor 项福保张允升徐定俊徐晓东
Owner 宁波甬华塑料机械制造有限公司
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