A mold for making column sand molds

A column and mold technology, which is applied in the field of sand mold manufacturing, can solve the problems of sand molds not meeting the requirements of use, sticking in the inner cavity of the mold, and cracking of sand castings, etc., and achieve compact structure, improved fastness, and increased yield. Effect

Active Publication Date: 2020-03-27
安徽金义得机械有限公司
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AI Technical Summary

Problems solved by technology

[0005] The column is one of the important parts on the machine tool. It is not a complicated part. It is generally formed by sand mold casting. When the surface structure of the sand mold is relatively complex, the sand mold casting is prone to cracking or bonding in the inner cavity of the mold during the demoulding process, making demoulding difficult, and the obtained sand mold cannot meet the requirements for use.

Method used

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  • A mold for making column sand molds
  • A mold for making column sand molds
  • A mold for making column sand molds

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Embodiment Construction

[0048] In order to have a further understanding and recognition of the structural features and the achieved effects of the present invention, the preferred embodiments and accompanying drawings are used for detailed description, as follows:

[0049] Such as Figure 11 , 12 As shown, the column 4 includes a column body 41, and the column body 41 includes a connection surface 413. The connection surface 413 extends vertically from the top surface 411 of the column body 41 to the bottom surface 415, and the connection surface 413 separates the column body 41 into a front cavity and a back cavity. body 4141, the connecting surface 413 is provided with a hoisting hole 4132;

[0050] There are multiple connecting surface reinforcing ribs 4131 arranged on the connecting surface 413 in the front cavity, the connecting surface reinforcing ribs 4131 connect the left side wall and the right side wall of the column body 41, and connect the top surface 411 and the bottom surface 415 of th...

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Abstract

The invention provides a mold for manufacturing stand column sand molds. The mold comprises a core mold, an upper mold manufacturing mold and a lower mold manufacturing mold; the core mold comprises acore mode molding cavity; shapes cooperating with molded places of core mold molded parts are arranged on the inner wall of the molding cavity and a molding cavity base plate; the side wall of the core mold is detachably and tightly connected with the molding cavity base plate; the lower mold manufacturing mold comprises a lower molding cavity; a lower molding cavity base plate is provided with alower molding part and a gate; the upper mold manufacturing mold comprises an upper molding cavity; an upper molding cavity base plate is provided with an upper molding part and a gate; the gate is provided with a sprue; and the gate of the upper molding cavity base plate is corresponding to the gate of the lower molding cavity base plate. The mold is particularly suitable for manufacturing sandmolds with complicated structures, can prevent cracking of the surfaces of the sand molds in the demolding process or bonding in an inner cavity of the mold, and increases the yield.

Description

technical field [0001] The invention relates to the technical field of sand mold manufacturing, in particular to a mold for manufacturing column sand molds. Background technique [0002] Sand casting refers to the casting method that produces castings in sand molds. Steel, iron and most non-ferrous alloy castings can be obtained by sand casting. Sand casting is a kind of casting process. The mold used in sand casting is generally composed of outer sand mold and core. Because the molding materials used in sand casting are cheap and easy to obtain, the casting mold is easy to manufacture, and it can adapt to the single-piece production, batch production and mass production of castings. It has been the basic process in casting production for a long time. [0003] In sand casting molds are made of wood or other metal materials. In this process, the mold size is made slightly larger than the finished product, and the difference is called shrinkage allowance. The purpose of th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22C9/02B22C9/22
CPCB22C9/02B22C9/22
Inventor 杨有才
Owner 安徽金义得机械有限公司
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