Injection molding machine

A technology for injection molding machines and cylindrical parts, which is applied in the field of injection molding machines, can solve problems such as energy waste, and achieve the effect of reducing energy consumption

Inactive Publication Date: 2013-09-18
SUMITOMO HEAVY IND LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In the past, a heater was installed on the nozzle side of the cylinder body, and a water-cooled cylinder was installed on th

Method used

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  • Injection molding machine
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Examples

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Example Embodiment

[0032] Hereinafter, the manners for implementing the present invention will be described with reference to the drawings. In each figure, the same or corresponding structures are designated by the same or corresponding symbols, and the description is omitted. In addition, the direction in which the resin is injected by the injection device is referred to as the front and the direction opposite to the injection direction is referred to as the rear.

[0033] figure 1 It is a diagram showing the outline of an injection molding machine according to an embodiment of the present invention. figure 1 Indicates the state of mold clamping.

[0034] The injection molding machine 10 includes a frame 11, a fixed pressing plate 12 fixed on the frame 11, and a plurality of (for example, four) connecting rods 16 extending from the fixed pressing plate 12. In addition, the injection molding machine 10 further includes a movable pressure plate 13 which is arranged opposite to the fixed pressure plate...

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Abstract

The invention provides an injection molding machine, which can be used to reduce the energy utilization amount. The injection molding machine (10) can be formed by pouring the molten resin in a mould (30). The injection molding machine (10) comprises a cylinder (41) provided with the resin and heaters (91-94) of the heating cylinder (41). The cylinder (41) is divided into a plurality of cylindrical-shaped parts (41a,41b) in an axial direction. A heat insulation ring (71) is disposed between the cylindrical-shaped part (41b) provided with a resin supply opening (63) and the cylindrical-shaped part (41a) provided with the heaters (91-94).

Description

technical field [0001] The present invention relates to an injection molding machine. Background technique [0002] An injection molding machine includes an injection unit that injects molten resin into a mold unit. The mold device is composed of a fixed mold and a movable mold, and a cavity space is formed between the fixed mold and the movable mold when the molds are closed. The injection device injects the resin melted in the cylinder from a nozzle provided on the top end of the cylinder, and fills the cavity space in the mold device. The resin cooled and solidified in the cavity space is taken out as a molded product after the mold is opened. [0003] The injection device includes a screw that is rotatably and axially movable within the cylinder. At one end of the screw, resin pellets (resin material) are supplied from a hopper. When the screw rotates, the scraper (thread) of the screw moves, and the resin filled in the flight groove of the screw is sent from the hop...

Claims

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Application Information

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IPC IPC(8): B29C45/74
CPCB29C45/74B29C45/78B29C2945/76531
Inventor 阿部昌博
Owner SUMITOMO HEAVY IND LTD
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