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Center housing product mold

A product and mold technology, which is applied in the field of molds for intermediate shell products, can solve the problems that affect the production cost and quality of castings, prone to shrinkage or porosity, and low process export rate, so as to achieve smooth exhaust, increase density, Solve the effect of low process yield

Pending Publication Date: 2018-08-17
JIANGSU LEADER PRECISION MACHINERY
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  • Abstract
  • Description
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Problems solved by technology

[0002] At present, there are still many problems in the production of intermediate shells in the traditional machinery industry. Due to their large weight, the thickness difference between the center position and the bottom is also large, so when the intermediate shell mold is cast, the thickness is large. For example, shrinkage porosity or pores are prone to appear at the bottom of the large plane, and the process export rate is low, which seriously affects the production cost and quality of castings, and also brings waste of energy

Method used

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0015] Such as figure 1 with figure 2 As shown, a mold for intermediate shell products includes a positive pressure plate 1 and a back pressure plate 2; two groups of casting core sets are respectively arranged on the positive pressure plate 1 and the back pressure plate 2, and each set of casting core sets includes two symmetrical The casting mold cores 3 provided are provided with a riser 7 communicating with the casting mold core on the upper part of the large plane of each casting mold core 3, and a connected ingate 8 is provided on the lower part of the large plane of the casting mold core 3; 2 is provided with vertical sprue 1 4 and vertical sprue 3 6, and positive pressure plate 1 is provided with vertical sprue 2 5, and the upper edge of vertical sprue 1 4 is connected with sprue cup 9; When the pressure plate 2 is molded and closed, the vert...

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Abstract

The invention relates to a center housing product mold. The center housing product mold comprise a front press plate and a reverse press plate, wherein two casting mold core groups are respectively arranged on the front press plate and the reverse press plate; each casting mold core group comprises two symmetric casting mold cores; the upper part of the large flat surface of each casting mold coreis provided with a riser which is communicated with the corresponding casting mold core, and the lower part of the large flat surface of each casting mold core is provided with an inner gate which iscommunicated with the corresponding casting mold core; a vertical runner I and a vertical runner III are arranged on the reverse press plate, a vertical runner II is arranged on the front press plate, and the upper edge of the vertical runner I is connected with a gate cup; when the front press plate and the reverse press plate are shaped and combined, the vertical runner I is communicated with the vertical runner II, the vertical runner II is communicated with the vertical runner III, the vertical runner III is reversely pressed with a transverse runner, and the inner gate is reversely pressed with the transverse runner; an air exhaust sheet is arranged on the front press plate, and the air exhaust sheet is arranged near the casting mold core groups on the front press plate without connection.

Description

technical field [0001] The invention relates to the design and manufacture of molds in the mechanical casting industry, and is mainly aimed at a casting mold for mechanical parts, specifically a mold for intermediate shell products. Background technique [0002] At present, there are still many problems in the production of intermediate shells in the traditional machinery industry. Due to their large weight, the thickness difference between the center position and the bottom is also large, so when the intermediate shell mold is cast, the thickness is large. For example, shrinkage porosity or pores are prone to appear at the bottom of the large plane, and the process export rate is low, which seriously affects the production cost and quality of castings, and also brings waste of energy. Contents of the invention [0003] The purpose of the present invention is to provide a technical solution that can completely solve the problems of shrinkage cavity, air hole and process yi...

Claims

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Application Information

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IPC IPC(8): B22C9/22B22C9/08B22C9/10
CPCB22C9/082B22C9/086B22C9/088B22C9/10B22C9/22
Inventor 陆斌杨光辉
Owner JIANGSU LEADER PRECISION MACHINERY
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