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Oil-air lubricating casting crystallizer

A casting mold, oil and gas technology, applied in the field of foundry equipment, can solve the problems affecting the quality of the ingot, bubble overflow, short service time of the graphite ring, etc., and achieve the effects of preventing ingot defects, improving service life, and ingenious structure

Inactive Publication Date: 2020-04-28
郑州市豫中铝镁装备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In order to overcome the defects of the prior art, the present invention provides an oil-air lubricating casting crystallizer, which effectively solves the problems of short service life of the graphite ring and the overflow of bubbles during the casting process that affects the quality of the ingot

Method used

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Embodiment Construction

[0022] The specific implementation manners of the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0023] Depend on Figure 1 to Figure 3 It can be known that an oil-gas lubricating casting crystallizer includes an outer jacket 2 embedded in the box body 1, a through hole is provided inside the outer jacket 2, a step 3 is provided in the middle of the through hole, and an inner sleeve 4 is connected to the inner sleeve 4 at the lower end of the through hole. Graphite ring 1 5 and graphite ring 2 6 are embedded in sequence at the step 3, and a positioning ring 10 is provided at the lower end of the step 3, and the graphite ring 2 6 is in contact with the positioning ring 10, and the lower end of the positioning ring 10 protrudes from the barb close to the aluminum rod 9 11. The top of the inner sleeve 4 is higher than the barb 11, the inner sleeve 4 is inserted into the outer sleeve 2 from the lower end of the outer sl...

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Abstract

The invention discloses an oil-air lubricating casting crystallizer. The problems that the use time of graphite rings is short, bubbles overflow in the casting process, and the quality of ingot casting is affected are effectively solved. The oil-air lubricating casting crystallizer includes an outer sleeve embedded on a box body, and a through hole is formed in the outer sleeve. A step is arrangedon the middle section of the through hole, the interior of the lower end of the through hole sleeves an inner sleeve, and a first graphite ring and a second graphite ring are embedded in sequence inthe step. A plugboard is fixed to the upper end of the through hole, a taper-shaped hole is formed in the middle of the plugboard, and the bottom surface of the plugboard is of a basin structure witha low center and a high circumference. Molten aluminum flows from the upper end of the plugboard to form an aluminum rod in the through hole, the first graphite ring and the second graphite ring are separately connected with a oil supply pipeline and an air supply pipeline, and an oil film and an air film are formed between the first graphite ring and the second graphite ring separately. The structure of the oil-air lubricating casting crystallizer is clever, a traditional graphite ring is replaced by two separate oil rings and air rings, the service life of the graphite rings is greatly prolonged, an anti-overflow structure on the plugboard can prevent the bubbles from overflowing from the top of the crystallizer and prevent the formation of ingot defects.

Description

technical field [0001] The device relates to the technical field of casting equipment, in particular to an oil-air sliding casting crystallizer. Background technique [0002] The oil-air sliding casting technology is applied to the hot-top casting of aluminum alloy round ingots. Compared with the common hot-top casting technology commonly used at present, the round rods cast by this technology have the advantages of fast casting speed, thin ingot shell and fine grain size. , and can improve the excellent rate of subsequent deep processing, shorten the homogenization cycle time and other advantages. The advantage in environmental protection is the least fuel consumption and reduced cooling water flow rate. Become one of the most advanced aluminum alloy casting technologies in the world today. [0003] The domestic market has higher and higher requirements for aluminum alloy ingots. On the one hand, this requires aluminum foundries to upgrade their casting equipment. On the o...

Claims

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Application Information

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IPC IPC(8): B22D11/07B22D11/041
CPCB22D11/003B22D11/041B22D11/07
Inventor 崔兴华柴建勋周文全
Owner 郑州市豫中铝镁装备有限公司
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