Injection molding machine

A technology for injection molding machines and injection devices, which is applied in the field of injection molding machines, can solve problems such as screw skew, and achieve the effect of shortening the front and rear dimensions

Active Publication Date: 2018-11-13
SUMITOMO HEAVY IND LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the existing vertical injection molding machine, due to the large size in the front-rear direction and the distance from the column to the screw in the injection device, there are problems caused by the weight of the injection device itself, the looseness of the slider and the guide rail, and the looseness of the slider. Due to the problem of screw skew caused by elastic deformation, etc., it is necessary to increase the rigidity of the column

Method used

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Examples

Experimental program
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Effect test

no. 1 Embodiment approach

[0022] refer to Figure 1 ~ Figure 4 , and the first embodiment will be described. In addition, in Figure 1 ~ Figure 4 Among them, the X direction, the Y direction, and the Z direction are directions perpendicular to each other. The X direction and the Y direction are horizontal directions, and the Z direction is a vertical direction. The X direction is the front-back direction of the vertical injection molding machine 1 (hereinafter also referred to as "injection molding machine 1") according to the first embodiment, figure 1 The left side (the side of the ejector device 200) is the front side, and the right side (the column portion 801 side of the frame Fr) is the rear side. The Y direction is the width direction of the injection molding machine 1 . The Z direction is the up and down direction, figure 1 The upper side of is vertically above, and the lower side is vertically below.

[0023] and, in figure 1 and figure 2 In the figure, for convenience of description,...

no. 2 Embodiment approach

[0116] refer to Figure 5 , and the second embodiment will be described. Figure 5 It is a plan view showing the positional relationship between the injection device 300 and the frame Fr in the injection molding machine 1A according to the second embodiment.

[0117] like Figure 5 As shown, the pair of protrusions 303A, 303A of the injection device 300 and the pair of guides 301A, 301A provided on the pair of pillars 801, 801 of the frame Fr are connected behind the pair of pillars 801, 801 of the frame Fr. In this respect, the injection molding machine 1A of the second embodiment is different from the injection molding machine 1 of the first embodiment.

[0118] The injection device 300 includes a pair of protrusions 303A, 303A protruding on both sides in the width direction of the injection device 300 at the rear end of the injection device 300 and facing the rear surfaces of the pair of column parts 801 , 801 of the frame Fr. More specifically, the slider 302 of the inj...

no. 3 Embodiment approach

[0125] refer to Image 6 , and the third embodiment will be described. Image 6 It is a plan view showing the positional relationship between the injection device 300 and the frame Fr in the injection molding machine 1B according to the third embodiment.

[0126] like Image 6 As shown, the injection molding machine 1B of the third embodiment differs from the injection molding machine 1 of the first embodiment in that a pair of frame side protrusions 303B, 303B are provided on a pair of column parts 801, 801 of the frame Fr.

[0127] The frame Fr includes a pair of frame-side protrusions 303B, 303B protruding toward the center side on opposing surfaces of the pair of column parts 801 , 801 and facing the rear of the injection device 300 . The pair of guides 301B, 301B are respectively provided on the front side of the pair of frame side protrusions 303B, 303B. The injection device 300 is coupled to a pair of guides 301B, 301B via a slider 306 provided at the rear of the inj...

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Abstract

The present invention provides an injection molding machine which is a vertical injection molding machine the front-rear dimension of which can be shortened. The vertical injection molding machine (1)of the present invention comprises an injection device (300); a slide block (306) disposed on the injection device (300); a guide member (301) for guiding the slide block (306); and a frame (Fr) having a column portion (801) for the guide member (301). The guide member (301) extends in the vertical direction and is disposed on the column portion (801). The injection device (300) is raised and lowered along the guide member (301) via the slide block (306). The slide block (306) is disposed on a position ahead of the rear side of the injection device (300).

Description

[0001] This application claims priority based on Japanese Patent Application No. 2017-066175 filed on March 29, 2017. The entire contents of this Japanese application are incorporated herein by reference. technical field [0002] The invention relates to an injection molding machine. Background technique [0003] In the conventional vertical injection molding machine, in order to move the injection device (plasticizing device) in the vertical direction, a pair of pillars of the frame are arranged on the rear side, and guides provided on the pillars The slider of the injection device is connected so as to be able to move up and down along the guide. [0004] Patent Document 1: Japanese Patent Laid-Open No. 2014-34161 [0005] In the existing vertical injection molding machine, due to the large size in the front-rear direction and the distance from the column to the screw in the injection device, there are problems caused by the weight of the injection device itself, the loo...

Claims

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Application Information

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IPC IPC(8): B29C45/03B29C45/17
CPCB29C45/03B29C45/1761
Inventor 石井义久
Owner SUMITOMO HEAVY IND LTD
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