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Nozzle contact mechanism and injection moulding machine

A contact mechanism and nozzle technology, applied in the nozzle contact mechanism and injection molding machine fields, can solve problems such as the difficulty of bolt replacement, maintenance and operation, and achieve the effects of simple structure, easy maintenance and easy operation.

Inactive Publication Date: 2005-04-27
FANUC LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, since a nozzle contact mechanism is provided between the fixed table and the injection device, the injection device cannot be rotated without removing the nozzle contact mechanism, and there is a problem that bolt replacement or maintenance operations are difficult.

Method used

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  • Nozzle contact mechanism and injection moulding machine
  • Nozzle contact mechanism and injection moulding machine
  • Nozzle contact mechanism and injection moulding machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] figure 1 It is an explanatory diagram of the main part of an embodiment of the present invention. This embodiment and Figure 4 The difference of the previously shown nozzle contact mechanism is that a connection part 25 is designed between the fixed table 5 and the front plate of the injection device 3 .

[0025] exist figure 1 Among them, the injection device 3 is installed on the base 1 through the extruder base 10 . The injection device 3 is composed of a front plate 12 on which a screw extruder barrel 11 is installed, a rear plate 13, a pusher plate 14, a guide rod 15 designed between the front plate 12 and the rear plate 13, and the like.

[0026] The injection screw 16 is mounted on the pusher plate 14 , is rotatable and cannot move axially relative to the pusher plate 14 . Furthermore, said pusher plate 14 cooperates with a screw / nut 17 . If the injection servo motor M3 is driven, the screw / nut 17 is rotated by transmission devices 29 such as a synchronous...

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PUM

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Abstract

A ball screw attached to a lower portion of a fixed platen is rotated, thereby moving a nut member forward and moving an injection device forward through a spring. By moving the injection device forward, a nozzle on a tip end of a screw cylinder is abutted against the fixed platen, and a nozzle touch force is applied to the fixed platen by a compressive force of the spring. A connection member is provided between an upper portion of the fixed platen and a front plate of the injection device so as to be able to connect or disconnect the fixed platen to or from the front plate. Even if the nozzle touch force acts on the fixed platen, the fixed platen is supported by the upper portion and the lower portion of the fixed platen and is prevented from falling down.

Description

technical field [0001] The present invention relates to a nozzle contact mechanism in an injection molding machine and an injection molding machine using the nozzle contact mechanism. Background technique [0002] The injection molding machine is designed with a nozzle contact mechanism, so that the injection device advances relative to the fixed table on which the fixed mold is installed, so that the nozzle designed at the front end of the screw extrusion barrel of the injection device is squeezed on the fixed nozzle with a predetermined contact force. on stage. [0003] Figure 4 It is a schematic diagram of a conventional injection device, and a mold clamping mechanism 2 and an injection device 3 are placed on a base 1 . [0004] The clamping mechanism 2 is a switch mold mechanism of the mold 9 installed on the fixed table 5 and the movable table 7 respectively, and has: a fixed table 5 and a backstage 6 respectively fixed on the base 1; and connecting the fixed table 5 ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/20B29C45/17
CPCB29C45/1761B29C45/1777
Inventor 吉冈光志桥本展明
Owner FANUC LTD