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Charging and spraying device of injection molding machine

An injection molding machine and barrel technology, which is applied in the field of feeding and ejecting mechanisms, can solve the problems of many moving parts, low control precision, and large moving inertia, and achieves the effects of high control precision, reduced moving inertia, and small moving inertia.

Active Publication Date: 2012-06-13
UNION PLASTIC HANGZHOU MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention solves the disadvantages of the existing injection molding machine, such as complex mechanism, many moving parts, large moving inertia and low control precision, and provides a simple structure, few moving parts, small moving inertia, high control precision and low cost. Injection molding machine feeding injection device

Method used

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  • Charging and spraying device of injection molding machine
  • Charging and spraying device of injection molding machine
  • Charging and spraying device of injection molding machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Refer to attached figure 2 , 3 :

[0024] The charging injection device of the injection molding machine of the present invention comprises: a stirring screw 1 arranged in the barrel for stirring and pushing materials; a transmission screw 2 connected to the rear of the screw 1; the transmission screw 2 is fixedly connected with the stirring screw 1.

[0025] The transmission screw 2 is installed on the feeding servo motor 3, and the feeding servo motor 3 is an inner rotor servo motor. The drive screw 2 is connected to the base 31 of the feeding servo motor 3 through a bearing 34 , the drive nut 4 is sleeved on the drive bearing 2 , and the drive nut 4 is connected to the inner rotor 33 of the feed servo motor 3 . The stator 32 is connected to the base 31 .

[0026] There is an extension section 6 at the rear of the drive screw 2, and the extension section 6 is threaded on the injection servo motor 5, and the extension section 6 is connected to the base of the inje...

Embodiment 2

[0031] Refer to attached figure 2 , 3 :

[0032] The difference between this embodiment and the first embodiment is that the injection servo motor 5 is an inner rotor motor.

[0033] machine, the extension section 6 is connected to the inner rotor 53 of the injection servo motor.

[0034] All the other are the same as the first embodiment.

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PUM

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Abstract

The invention provides an injection molding machine feeding and injecting device, comprising a mixing screw which is arranged in a material cylinder and used for mixing and pushing material, and a rotation screw which is connected with the rear part of the screw; the rotation screw is fixedly connected with the mixing screw; the rotation screw passes through a feeding servo motor; the feeding servo motor is an internal rotor servo motor; the rotation screw is connected with the base of the feeding servo motor by a bearing; the rotation bearing is sheathed by a rotation nut; the rotation nut is connected with the internal rotor of the feeding servo motor; the rear part of the rotation screw is provided with an extension section which passes through the injection servo motor; the extension section is connected with the base of the injection motor by the bearing; the extension section is connected with the rotor of the injection servo motor by a key. The injection molding machine feedingand injecting device has the advantages of simple and compact structure, low cost, few movable parts, small movable inertia, high control precision, and large adjusting range of the feeding action and the feeding speed.

Description

technical field [0001] The invention relates to a feed injection mechanism of an injection molding machine. Background technique [0002] figure 1 Shown is the feeding injection device of the existing injection molding machine. The feeding servo motor 3` rotates right (viewed from the tail end of the motor), and is transmitted to the driven wheel 2` through the driving wheel 2 4`, and the driving screw 1` rotates left (viewed from the motor shaft end) to realize the action of feeding and stirring; At the same time, the injection servo motor 11` rotates left (viewed from the end of the motor), drives the driving wheel 10` to the left, the driving wheel 10` drives the driven wheel 9` to the right (viewed from the motor shaft end), and the driven wheel 10` `directly drives the drive screw rod 5` to turn right, because the drive nut 6` is fixed by the holder 13` and cannot move, so the drive screw rod 5` is forced to retreat while turning right, to realize the action of loosen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C45/50B29C45/58
CPCB29C2045/504B29C45/5008
Inventor 韩志翔
Owner UNION PLASTIC HANGZHOU MACHINERY