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Sprue bush structure

A sprue sleeve and the same technology, applied in the field of mold casting, can solve the problems of small overall structure, easily damaged cover body, and limited screw hole space, and achieve the effect of convenient and simple installation and no need for screw settings

Inactive Publication Date: 2013-03-06
VANGUARD TECH WUXI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the small overall structure and the setting of multiple screws, the installation is complicated, and the space for setting the screw holes is limited, and the outer edge of the screw holes is close to the outer wall, which makes the installation effortless and easily damages the cover.

Method used

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Embodiment Construction

[0012] See figure 2 , the present invention includes an upper fixing plate 1, the upper fixing plate 1 is provided with an upper annular groove 1-1, a lower annular groove 1-2, the lower annular groove 1-2 has the same circle center as the upper annular groove 1-1, and is located in the upper annular groove 1-1 inner ring; split sprue sleeve 4 includes positioning ring 2 and sprue sleeve 3, positioning ring 2 and sprue sleeve 3 are installed on the upper fixing plate 1 in sequence, and the bottom of the body of positioning ring 2 is provided with The round table 2-1, the body of the sprue sleeve 3 includes an upper sleeve mouth 3-1, and the bottom of the body of the upper sleeve mouth 3-1 is provided with a round table 3-2; the round table 2-1 is clamped in the upper annular groove 1-1, And with the interference fit of the upper annular groove 1-1, the round table 3-2 is clamped in the lower annular groove 1-2, and is interference fit with the lower annular groove 1-2. Among ...

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Abstract

The invention provides a sprue bush structure which can solve the problems in the prior art. The sprue bush structure comprises an upper fixed plate, a positioning ring and a sprue bush, wherein the positioning ring and the sprue bush are sequentially mounted on the upper fixed plate, and the body of the sprue bush comprises an upper sprue opening. The sprue bush structure is characterized in that the upper fixed plate is in interference-fit connection with the positioning ring and the sprue bush respectively.

Description

[0001] technical field [0002] The invention relates to the technical field of mold casting, in particular to a sprue sleeve structure. Background technique [0003] In the design of the mold gating system, the sprue sleeve is usually designed to shorten the length of the runner. The existing sprue sleeve structure is as follows: figure 1 As shown, the sprue sleeve 4 is made into a split type, including the positioning ring 2 and the sprue sleeve 3 of the standard parts. The positioning ring 2 and the sprue sleeve 3 are installed on the upper fixing plate 1 sequentially through the screws 8 and 7 respectively. The one-piece sprue bushing structure reduces the volume of the entire sprue bushing. However, due to the small overall structure and the setting of multiple screws, the installation is complicated, and the space for setting the screw holes is limited, and the outer edge of the screw holes is close to the outer wall, which causes no effort in installation and easily ...

Claims

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Application Information

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IPC IPC(8): B29C45/27
Inventor 许东良
Owner VANGUARD TECH WUXI
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