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Heating type mold of aluminum alloy flange plate through heating pipe and extrusion molding method thereof

A heating tube, aluminum alloy technology, applied in the direction of metal extrusion dies, etc., can solve the problems of low material utilization rate, high processing cost, low processing efficiency, etc., and achieve high dimensional accuracy and profile accuracy, good consistency, and economical energy effect

Active Publication Date: 2018-09-07
BEIJING HANGXING MACHINERY MFG CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Due to the circular thin-walled hollow structure of this kind of parts, it can also be manufactured by general thick plate machining, but the processing cost is high, the material utilization rate is low and the processing efficiency is low.

Method used

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  • Heating type mold of aluminum alloy flange plate through heating pipe and extrusion molding method thereof
  • Heating type mold of aluminum alloy flange plate through heating pipe and extrusion molding method thereof
  • Heating type mold of aluminum alloy flange plate through heating pipe and extrusion molding method thereof

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Embodiment Construction

[0037] The technical solution of the present invention is to provide an aluminum alloy flange heating tube heating mold and its extrusion forming method, which can overcome the disadvantages of high processing cost, low material utilization rate and low processing efficiency in the prior art, It can effectively guarantee the precise plastic forming of aluminum alloy flanges on ordinary presses. The formed aluminum alloy flange parts have stable quality, good integrity, high dimensional accuracy, high material utilization rate, and low processing cost.

[0038] The preferred embodiment of the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0039] An aluminum alloy flange heating tube heating mold, such as figure 1 Shown is an aluminum alloy flange whose maximum diameter X is 210mm and height Y is 55mm. figure 2 Shown is the flange heating type hot extrusion die, including: upper die 1, lower die 2, upper ejector ro...

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Abstract

The invention relates to a heating type mold of an aluminum alloy flange plate through a heating pipe and an extrusion molding method thereof, belongs to the field of aluminum alloy hot processing, and is suitable for hot extrusion and forming of aluminum alloy flange plates for aerospace. The heating type mold comprises an upper mold, a lower mold, an upper push rod, a lower push rod, a lower mold base plate, a connecting bolt and hoisting suspension rings. The extrusion molding method comprises the following steps of I, according to a constant volume principle and technology allowance, determining the diameter of a blank and preparing the blank; II, after the mold is assembled, fixing the assembled mold to a press machine platform; III, assembling the heating pipe, a temperature thermocouple and a heat preservation partition board to corresponding positions on the mold; IV, respectively heating the mold and the blank to a set temperature, and performing heat preservation for some time; and V, placing the blank in a lower mold cavity, closing the upper mold and the lower mold, so as to realize the hot extrusion forming of the flange plates, and enabling the lower push rod to drivethe upper push rod to eject a formed piece, so that the forming of the flange plate is completed. The flange plate formed by the extrusion molding method disclosed by the invention is high in material utilization rate, high in forming efficiency, small in burrs, good in product consistency, high in dimension accuracy, high in profile accuracy and good in surface quality.

Description

technical field [0001] The invention relates to a heating mold for an aluminum alloy flange plate heating tube and an extrusion forming method thereof, belonging to the field of thermal processing and forming. Background technique [0002] At present, aerospace product parts are developing in the direction of light weight, low cost and integration, and the application of stepped circular hollow flange components is also increasing. The structure of this type of parts is mostly a circular thin-walled hollow structure. Aluminum alloy materials are widely used in aerospace, rail transit, weaponry and other fields due to their excellent performance. [0003] Due to the circular thin-walled hollow structure of this type of part, it can also be manufactured by general thick plate machining, but the processing cost is high, the material utilization rate is low, and the processing efficiency is low. The use of isothermal and precise hot extrusion forming technology can reduce proce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21C25/02B21C29/04
CPCB21C25/02B21C29/04
Inventor 刘奇李保永薛杰李艳丽周小京李信
Owner BEIJING HANGXING MACHINERY MFG CO LTD
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