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Casting mould for multi-way reversing valve

A technology of multi-way reversing valve and casting mold, which is applied in the direction of manufacturing tools, casting molding equipment, casting molds, etc., can solve problems such as difficulty in assembling mud cores, and achieve the effect of solving difficult cleaning and high strength

Inactive Publication Date: 2018-03-20
JIANGSU TIANZIGE NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to provide a multi-way reversing valve casting mold that solves the difficulty in assembling the mud core and reduces the defects of castings in view of the defects in the prior art

Method used

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  • Casting mould for multi-way reversing valve

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Embodiment Construction

[0025] The technical solutions in the embodiments of the invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the invention. Obviously, the described embodiments are only some, not all, embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

[0026] figure 1 It is the casting mold of the multi-way reversing valve of the present invention, including a sand box 1, a shell 2 and a mud core, the mud core is horizontally arranged in the shell 2, and the shell 2 is embedded in the sand box 1; The shell 2 is molded with resin sand, and a cavity of a multi-way reversing valve is formed between the shell 2 and the mud core; the cavity between the sand box 1 and the shell 2 is covered with a sand layer, A sprue communicating with ...

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Abstract

The invention discloses a casting mold for a multi-way reversing valve, which comprises a sand box, a shell and a mud core. The mud core is horizontally arranged in the shell, and the shell is embedded in the sand box; There are two shells, shell I and shell II, and shell I and shell II are arranged side by side in the sand box, and the two outer surfaces corresponding to shell I and shell II are attached to each other; the clay core includes the main core And several small cores, the main core and several small cores are assembled into a whole mud core through the process hole, the inside of the mud core is provided with a core bone for forming the flow channel of the multi-way reversing valve, and the top of the mud core is provided with an air outlet , the air outlet is derived from the steel wire. The invention can solve the difficulty of assembling the core and can reduce the defects of the casting.

Description

technical field [0001] The invention relates to the technical field of molds, in particular to a casting mold for a multi-way reversing valve. Background technique [0002] The multi-way reversing valve is a combination of more than two valve blocks to manipulate the movement of multiple actuators. According to the requirements of different hydraulic systems, it can combine safety valves, overload valves, oil supplement valves, diverter valves, brake valves, check valves, etc., so it has compact structure, simple pipeline, small pressure loss, and It is easy to install, so it is widely used in construction machinery, hoisting and transportation machinery and other walking machinery that requires the manipulation of multiple actuators. [0003] The multi-way reversing valve designed by Changde Zoomlion Hydraulic Co., Ltd. has advanced design, small size, reliable action, multiple functions, long service life and can replace imported ones. It has the characteristics of high i...

Claims

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Application Information

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IPC IPC(8): B22C9/02B22C9/10B22C9/20B22C1/00B22C3/00B22C9/24
CPCB22C9/02B22C1/00B22C3/00B22C9/103B22C9/106B22C9/20B22C9/24
Inventor 丁左宏
Owner JIANGSU TIANZIGE NEW MATERIAL TECH CO LTD
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