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Plasticizing Device, Injection Molding Apparatus, And Three-Dimensional Shaping Apparatus

A technology of three-dimensional modeling and chemical device, which can be used in coating devices, manufacturing auxiliary devices, additive manufacturing, etc., and can solve problems such as material discarding

Pending Publication Date: 2022-01-25
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, in Patent Document 1, since the detection sensor is arranged in the hopper, the material remaining between the hopper and the plasticizing section is discarded when the material is replaced.

Method used

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  • Plasticizing Device, Injection Molding Apparatus, And Three-Dimensional Shaping Apparatus
  • Plasticizing Device, Injection Molding Apparatus, And Three-Dimensional Shaping Apparatus
  • Plasticizing Device, Injection Molding Apparatus, And Three-Dimensional Shaping Apparatus

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Embodiment Construction

[0019] Hereinafter, preferred embodiments of the present invention will be described in detail using the drawings. It should be noted that the embodiments described below do not unduly limit the content of the present invention described in the claims. In addition, not all the configurations described below are essential configuration requirements of the present invention.

[0020] 1. Injection molding device

[0021] 1.1. Overall composition

[0022] First, an injection molding apparatus according to this embodiment will be described with reference to the drawings. figure 1 It is a side view schematically showing the injection molding apparatus 100 according to this embodiment. It should be pointed out that in figure 1 In , an X axis, a Y axis, and a Z axis are shown as three mutually orthogonal axes. The X-axis direction and the Y-axis direction are, for example, horizontal directions. The Z-axis direction is, for example, a vertical direction.

[0023] Such as figur...

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Abstract

The invention provides a plasticizing device, an injection molding apparatus and a three-dimensional shaping apparatus which can reduce the amount of a discarded material when the material is replaced. The plasticizing device includes a passage defining section that is coupled to a hopper which stores a material and that defines a supply passage to which the material is supplied from the hopper; a plasticizing section that includes an introduction portion which communicates with the supply passage, and a screw, and that plasticizes the material supplied from the introduction portion by rotation of the screw to form a molten material; and a material detection section that detects the presence or absence of the material in the supply passage.

Description

technical field [0001] The invention relates to a plasticizing device, an injection molding device and a three-dimensional modeling device. Background technique [0002] Conventionally, there is known an injection molding device that supplies a material plasticized by a plasticizing device to a cavity formed by a pair of molds, and injects it from a nozzle. [0003] For example, Patent Document 1 describes an injection molding apparatus that includes a detection sensor disposed at a predetermined position of a hopper, and after receiving a signal related to a color change condition, when the sensor detects that the material is exhausted, Supply the specified amount of color-changing material to the hopper. [0004] Patent Document 1: Japanese Patent Laid-Open No. 4-307215 [0005] However, in Patent Document 1, since the detection sensor is arranged in the hopper, the material remaining between the hopper and the plasticizing section is discarded when replacing the materia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/18B29C45/58B29C45/76
CPCB29C45/76B29C45/1816B29C45/1808B29C45/58B29C2045/185B29C2945/76351B29C2945/76859B29C64/118B33Y10/00B29C64/209B33Y30/00B29C64/393B33Y50/02B29C64/329B29C2045/1875B29C2045/1891B29C2945/76167B29C2945/76183B29C2945/76354B29C2945/76665B29C45/464B29C45/54
Inventor 丸山英伸
Owner SEIKO EPSON CORP