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Novel sand core with steel plate

A technology of steel plate and sand core, applied in the direction of core, mold, mold composition, etc., can solve the problems of high cost, uneconomical, unenvironmental protection, etc., and achieve the effect of saving sand, convenient production and simple structure

Inactive Publication Date: 2014-01-01
SUFA HENGDIAN MACHINERY CNNC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing sand molds are all made of sand solidified and bonded, so the material consumption is huge, such as figure 2 As shown, in the original casting process of the 24-inch butterfly valve, about 212kg of sand, about 3.4kg of resin, and 0.85kg of curing agent are needed for each sand core 5
Only one casting can be made for each sand core 6. After the pouring is completed, the sand core must be broken as a whole to take out the casting, which is neither economical nor environmentally friendly

Method used

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Embodiment Construction

[0008] The present invention will be further described below in conjunction with accompanying drawing.

[0009] Such as figure 1 As shown, the novel sand core with steel plate of the present invention includes a steel plate 1 in the middle, and a sand core ring 2 around the steel plate 1, the steel plate 1 encloses a sealed frame, the frame is filled with resin sand 3, and the frame is set Ring 4. The width of the frame is 50-100cm.

[0010] For each molding, a lot of materials can be saved, such as 24-inch butterfly valve, sand core ring only needs about 98kg of sand, each product saves 114kg of sand, about 2kg of resin, and 0.5kg of curing agent. Greatly reduce the cost and energy consumption.

[0011] What has been described above and shown in the drawings are only preferred embodiments of the present invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the principle of the present inve...

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Abstract

The invention discloses a novel sand core with a steel plate. The novel sand core comprises the steel plate positioned in the middle and a sand core ring arranged at the periphery of the steel plates, wherein the steel plate forms a sealed frame; the frame is filled with resin sand; a lifting ring is arranged on the frame; the frame is 50 to 100 cm in width. The novel sand core with the steel plate is simple in structure and convenient to manufacture, and a large amount of sand and other auxiliary materials can be saved when a cast is manufactured.

Description

technical field [0001] The invention relates to the field of sand cores, in particular to a novel sand core with steel plates. Background technique [0002] The existing sand molds are all made of sand solidified and bonded, so the material consumption is huge, such as figure 2 As shown, in the original casting process of the 24-inch butterfly valve, about 212kg of sand, about 3.4kg of resin, and 0.85kg of curing agent are needed for each sand core 5. Each sand core can only be made into one casting 6 at a time. After pouring is completed, the sand core will be broken as a whole to take out the casting, which is neither economical nor environmentally friendly. Contents of the invention [0003] In order to solve the above-mentioned technical problems existing in the prior art, the present invention provides a new type of sand core with a steel plate, including a steel plate located in the middle, and a sand core ring around the steel plate, the steel plate encloses a seal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C9/10
Inventor 宋福奎刘小冬顾丽丽谢小兵
Owner SUFA HENGDIAN MACHINERY CNNC