Horizontal type bidirectional flexible hydraulic blank pressing machine
A compacting machine and hydraulic technology, applied in the field of horizontal two-way flexible hydraulic compacting machine, can solve the problems of low material density, uneven distribution of components, small size and size, etc., and achieve high material density and uniform distribution of components. , the effect of large size
Inactive Publication Date: 2014-07-02
四平市天阔换热设备有限公司
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Problems solved by technology
[0007] The present invention aims to solve the problem that the existing molybdenum-based alloy sheet blanks in my country usually have uneven distribution of components, low material density, poor appearance quality, small specifications and sizes, and are prone to expansion in the formed blank. Insufficiencies and weaknesses of material defects such as shrinkage, interlayer, cracks, etc., targeted scientific matching and integration of forming molds with low-temperature heating functions and hydraulic systems with bidirectional flexible isostatic pressure and balanced pressure functions to form a A special technical equipment that can independently complete the pressing and densification of molybdenum-based rare earth alloy powder into a large-scale high-quality formed green body at one time
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[0021]As shown in the attached figure, the horizontal two-way flexible hydraulic compacting machine is composed of a machine bed (1), a forming die, and a hydraulic system; the forming die is installed and fixed on the working table (15) of the machine bed (1), through The left and right movable platens (11, 6) are connected with the hydraulic system; the left and right pressure-dense working units of the hydraulic system are respectively installed and fixed on the machine bed (1) on the left and right sides of the forming mold, through the left , The pressure head of the right oil cylinder (12, 7) is connected with the molding die.
[0022] As shown in the accompanying drawings, the forming mold consists of a right movable press plate (6), a left movable press plate (11), a directional movable groove of the press plate (5), a cover plate (8), a base (9), and a powder filling cavity (10 ), a positioning block, and an electric heating device, which are installed and fixed on th...
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The invention discloses a horizontal type bidirectional flexible hydraulic blank pressing machine. According to the horizontal type bidirectional flexible hydraulic blank pressing machine, the powder metallurgy chill-pressing forming technique principle is adopted, and after a forming die with a low-temperature heating function and a hydraulic system with a bidirectional flexible isostatic pressing brute force balanced force exerting function are scientifically matched, linked and integrated, a special technical device used for conducting blank pressing compact forming on a powder molybdenum-based rare earth alloy plate blank is formed. According to the horizontal type bidirectional flexible hydraulic blank pressing machine, equivalent force is exerted on molybdenum-based rare earth alloy powder in all directions compressively and evenly, the whole process ofcompressing the molybdenum-based rare earth alloy powder into the formed compact blank can be achieved independently in at a time, the potential quality hazards such as expansion, shrinkage, interlayers and cracks are generated easily inside a formed blank when a traditional liquid medium isostatic pressing forming technology is adopted are well solved, and the horizontal type bidirectional flexible hydraulic blank pressing machine has the advantages that the technology is advanced, the function is complete, operation is easy, and the performance is reliable, and the machine can be widely applied to the powder metallurgy industry for blank pressing compact forming.
Description
technical field [0001] The invention relates to a powder metallurgy forming mechanical equipment, in particular to a horizontal two-way flexible hydraulic compacting machine for large-scale powder metallurgy molybdenum-based rare earth alloy plate blanks for blank body forming. Background technique [0002] Molybdenum-based alloy sheet still has high strength and hardness under high temperature conditions, can still maintain excellent electrical conductivity and heat transfer, and has excellent stability. It is widely used in aerospace, national defense, metallurgy, chemical industry, Power electronics and other technical fields, especially in high-tech products such as high-power launch tubes, high-voltage and high-current thyristors and rectifiers, high-temperature thermocouples and their protection tubes, high-temperature electric furnace heat shields, and special electric light sources. Basic functional materials; however, due to the low recrystallization temperature of ...
Claims
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IPC IPC(8): B22F3/03B22F3/04
Inventor 李江李延韬刘朋
Owner 四平市天阔换热设备有限公司