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Combined mold for extra-large casting and forging

A combined mold and super-large technology, applied in the direction of casting mold, core, casting mold composition, etc., can solve the problems of unqualified casting and forging products, complex structure, difficult production, etc., to achieve easy mold removal, improve efficiency, cost saving effect

Active Publication Date: 2011-10-12
DALIAN JINHE CASTING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The molds for such super-large castings and forgings are generally complex in structure and difficult to manufacture, and when the casting and forging of the workpiece is completed, it is not easy to control the mold removal and the falling off of the workpiece, so the finished castings and forgings are often unqualified and affect production.

Method used

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  • Combined mold for extra-large casting and forging
  • Combined mold for extra-large casting and forging

Examples

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Embodiment Construction

[0008] Such as figure 1 The super-large casting and forging combined mold shown in the figure has a regular-shaped wooden cylinder 1 as its main body, and additional parts are components of the required shape for super-large casting and forging made of lost foam 2. According to the size of the super-large workpiece to be cast and forged Shape, install the lost foam 2 on the main cylinder body 1, and then place the combined mold in an empty box 3 composed of left and right parts, first pour half of the resin sand into the left side of the combined mold in the box 3, After the resin 4 sand on the left side is finalized, the composite mold is drawn out, and then the resin sand is poured out of the right composite mold body of the box, and the composite mold is pulled out after the right side resin sand 5 is finalized, and then two matching resin sands are made. The shape of the composite mold composed of sand, and finally combine the shapes of the two composite molds together.

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Abstract

The invention relates to a combined mold for an extra-large casting and forging, and belongs to the technical field of large casting molds. A main body is a wooden barrel with a regular shape; an additional part is a part for manufacturing the extra-large casting and forging in a required shape by using lost foam and is arranged on the main body barrel according to the shape of an extra-large workpiece to be cast and forged; the combined mold is arranged in a hollow box consisting of a left part and a right part; half of resin sand is poured outside a left side combined mold body in the box, and the combined mold is pulled out after the left side resin sand is molded; resin sand is poured outside a right side combined mold body in the box, and the combined mold is pulled out after the right side resin sand is molded, so that two shapes of the combined mold, which are mutually matched and consist of the resin sand are manufactured; and the two shapes of the combined mold are combined together. All parts of the combined mold can be freely disassembled and assembled, and are recycled, cost is saved, and efficiency is improved.

Description

technical field [0001] The invention relates to an ultra-large combined die for casting and forging, and belongs to the technical field of large casting dies. Background technique [0002] At present, super-large castings and forgings are generally produced by pouring molten metal, which requires a mold for super-large castings and forgings. The molds of such super-large castings and forgings are generally complex in structure and difficult to manufacture, and when the casting and forging of the workpiece is completed, it is not easy to control the mold removal and the falling off of the workpiece, so the finished castings and forgings are often unqualified and affect production. Contents of the invention [0003] In view of the defects in the prior art, the purpose of the present invention is to provide a super-large combined die for casting and forging that is easy to disassemble, can be assembled freely, and is easy to remove the workpiece from the die. [0004] In ord...

Claims

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Application Information

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IPC IPC(8): B22C9/22B22C9/04
Inventor 马广华
Owner DALIAN JINHE CASTING
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