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A piston casting mold support and piston casting method

A casting method and casting mold technology, which are applied in the field of mold parts, can solve problems such as scrapping of piston castings, achieve the effects of improving yield and avoiding bubble defects

Active Publication Date: 2017-03-08
湖南江滨机器(集团)有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The invention provides a new type of piston casting mold support, which is used to solve the problem that piston castings are scrapped due to bubble defects in the internal cooling oil passage

Method used

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  • A piston casting mold support and piston casting method
  • A piston casting mold support and piston casting method
  • A piston casting mold support and piston casting method

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Embodiment Construction

[0040] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described The embodiments are only some of the embodiments of the present application, but not all of them.

[0041] The piston casting mold support of the present invention includes a rod body 1, a rod body support structure 2 and a support fixing plate 3, the rod body 1 is fixed in the rod body support structure 2, and the rod body support structure 2 is nested in the support fixing plate 3. A gas channel communicating with the atmosphere is reserved inside the rod support structure 2 . When in use, the rod body is inserted into the blind hole of the salt core, the salt core is placed on the rod body, and the gas escaped from the heat of the sal...

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Abstract

The invention discloses a piston casting mould support. The piston casting mould support comprises a rod body, a rod body supporting structure and a supporting and fixing plate, wherein the rod body is fixed in the rod body supporting structure; the rod body supporting structure is nested in the supporting and fixing plate; and a gas passage which is communicated with the atmosphere is arranged on the inner part of the rod body supporting structure. Compared with the prior art, the problem that casting air bubble defect is caused as the piston casting mould support in the prior art cannot remove gas emitted by salt cores is solved. Furthermore, the invention also provides a piston casting method.

Description

technical field [0001] The invention relates to the technical field of mold parts, in particular to a supporting part of a piston casting mold and a piston casting method. Background technique [0002] The piston is the most important part of the engine. The continuous improvement of the engine output power directly brings about the increase of the heat load and mechanical load of the engine piston. The heat dissipation problem of the piston head has become the key to restrict the reliability of the piston. It is a common method to set up an internal cooling oil channel on the piston head for forced cooling. [0003] Soluble salt core method is the main method of casting internal cooling oil passage piston. This technology uses soluble salt to form a salt core with specific shape, sufficient strength and smooth surface after extrusion, turning, sintering and drilling. Salt core Has a higher melting point than aluminum alloys. When casting blanks for aluminum alloy pistons ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22C21/14
Inventor 夏治涛易绿林朱亿鹏
Owner 湖南江滨机器(集团)有限责任公司
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