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Vacuum forming equipment-based precision casting method of casting products

A vacuum molding and casting technology, which is applied to casting molding equipment, metal processing equipment, casting molds, etc., can solve the problems of affecting production efficiency and the inability to quickly cool down the sand grains, and achieve the effects of increasing value, shortening the sand recovery time sequence, and smooth connection

Active Publication Date: 2015-04-01
FUJIAN BAOSHAN MACHINERY
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a precision casting method for casting products based on vacuum molding equipment, the main purpose of which is to overcome the defects that the existing vacuum molding equipment cannot quickly cool down the sand particles and affect production efficiency when metal casting is performed

Method used

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  • Vacuum forming equipment-based precision casting method of casting products
  • Vacuum forming equipment-based precision casting method of casting products
  • Vacuum forming equipment-based precision casting method of casting products

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Embodiment Construction

[0045] Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

[0046] refer to Figure 1-Figure 10 . A vacuum molding production line with recyclable sand grains, comprising a casting mold frame mechanism 1, a vacuum molding mechanism 2 for filling sand grains in the casting mold frame mechanism 1 and covering both sides of the sand grains, The casting mold frame mechanism 1 pours the casting mechanism 3 of the molten metal, the sand grain casting separation mechanism 4, the sand grain recovery mechanism 5, the electric hoist device (not shown) used to carry the casting mold frame mechanism 1 and cooperate with the The electric hoist device (not shown in the figure) is a walking crane, the inlet of the sand recovery mechanism 5 is connected to the sand casting separation mechanism 4, and the outlet is connected to the vacuum molding mechanism 2;

[0047] The casting mold frame mechanism 1 includes an upper mold fra...

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Abstract

The invention discloses a vacuum forming equipment-based precision casting method of casting products. The method comprises the following steps by a vacuum forming production line: a, vacuum forming; b, casting cooling; c, taking out of casting; d, sand recovery; repeating the steps a-d until the precision casting of all the casting products is finished. The vacuum forming equipment-based precision casting method of casting products is ingenious in process and high in automation degree; through the vacuum forming production line, the steps such as vacuum forming, casting cooling, taking out of casting and sand recovery are respectively completed and the steps are repeated until the precision casting of all the casting products is finished, so that the connection of links in the production process is smooth and the operation is more convenient; both the vacuum forming and the casting cooling are carried out under vacuum condition, so that the surface regularity of the casting products is high the subsequent complicated secondary machining process can be eliminated and the product value is greatly improved.

Description

technical field [0001] The invention relates to the field of metal casting, in particular to a precision casting method for casting products based on vacuum molding equipment. Background technique [0002] For a long time, sand molds used in casting have been reinforced with a binding material in the sand. With the rapid development of vacuum processing technology, in order to obtain better casting products and hope to reduce the waste of sand grains, many domestic manufacturers often use vacuum molding machines to prepare sand molds. [0003] Vacuum molding is to use a thin thermoplastic film, heat it to the softening point, and then cover it on the model plate with holes drilled and sucked from the back, the plastic film will be tightly and evenly covered on the template working surface, Put a sand box with a special structure on the above template, fill the box with free-flowing, non-adhesive sand, and vibrate slightly to make the loose and broken parts of the sand dense...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C9/03
CPCB22C9/03
Inventor 杜建辉
Owner FUJIAN BAOSHAN MACHINERY
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