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Anti-gravity forming device and forming method for complex thin-walled castings of titanium and titanium alloys

A technology for thin-walled castings and titanium alloys, which is applied to the anti-gravity forming device and forming field of complex thin-walled castings of titanium and titanium alloys, can solve the problems such as the inability to realize the lifting and sealing of the riser pipe for smelting titanium and titanium alloys in a high inert environment, and the like. Achieve the effect of improving product qualification rate and process yield, improving forming ability and improving utilization rate

Active Publication Date: 2016-01-20
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The present invention aims to solve the problems that the existing forming device cannot realize the high inert environment smelting required for anti-gravity forming of titanium and titanium alloys, the lifting and sealing of the riser pipe, and the treatment of residual liquid, and provides a complex thin-walled casting of titanium and titanium alloys Anti-gravity forming device and forming method

Method used

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  • Anti-gravity forming device and forming method for complex thin-walled castings of titanium and titanium alloys

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specific Embodiment approach 1

[0026] Specific implementation mode one: combine figure 1 Describe this embodiment, the anti-gravity forming device for titanium and titanium alloy complex thin-walled castings in this embodiment includes an upper tank body 1, a middle partition section 2, a lower tank body 3, a hydraulic ejector rod 4, a power supply 5, and a tiltable heating coil 6 , crucible 7, vacuum system 8, liquid level adjustment system 9, circulating water cooling system 10, smelting observation mechanism 11, pounding mechanism 12, feeding mechanism 13, temperature measuring mechanism 14, liquid riser 15, hydraulic drive system 16, mold Lifting system 17, casting mold 18 and spare casting mold 19, the upper tank body 1 and the lower tank body 3 are separated by the middle partition section 2, and the upper tank body 1 and the middle partition section 2 are divided and closed by hydraulic ejector rods 4, and the upper tank body The tank body 1 is provided with a mold lifting system 17, the casting mold...

specific Embodiment approach 2

[0027] Specific embodiment 2: The difference between this embodiment and specific embodiment 1 is that flange connection is adopted between the upper tank body 1 and the partition section 2, and between the partition section 2 and the lower tank body 3. There is a positioning pin, and a rotating snap ring is provided on the outside of the flange for locking. Others are the same as in the first embodiment.

[0028] In this embodiment, the rotating snap ring is provided with positioning holes, the positioning pins on the flange and the positioning holes on the rotating snap ring are positioned with each other, the rotating snap ring is installed, and then rotated to lock it.

specific Embodiment approach 3

[0029] Embodiment 3: This embodiment differs from Embodiment 1 in that: the liquid level adjustment system adopts digital combined solenoid valve technology. Others are the same as in the first embodiment.

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Abstract

The invention discloses a device and method for antigravity forming of titanium and titanium alloy complex thin section castings and relates to a casting antigravity forming device and method. The device and method aim to solve the problems that an existing forming device can not achieve smelting in a high-inertia environment, lifting and sealing of a riser tube and waste liquid processing. The device comprises an upper tank, a middle partition section, a lower tank, a hydraulic ejector rod, a power supply, a tilting-type heating coil, a crucible, a vacuum system, a liquid level adjusting system, a circulating water cooling system, a smelting observation mechanism, a smashing mechanism, a feeding mechanism, a temperature measuring mechanism, a riser tube, a fluid power system, a casting mold lifting system, a casting mold and a standby casting mold. The casting mold lifting system is arranged in the upper tank. The tilting-type heating coil, the crucible and the standby casting mold are arranged in the lower tank. The method comprises the steps that metal is fed into the crucible, the lifting system rises, vacuum pumping is conducted, and argon is injected; after the metal is molten, the lifting system is lowered to press the casting mold; argon is injected to the lower tank, and a casting is formed; the casting is cooled and taken out. The device and method are used for preparation of the titanium and titanium alloy complex thin section castings.

Description

technical field [0001] The invention relates to a casting anti-gravity forming device and a forming method. Background technique [0002] Titanium and titanium alloy complex thin-walled castings are widely used in aviation, aerospace, medical equipment, automobiles and other fields. Ordinary gravity casting or centrifugal casting has been difficult to meet the development needs of forming technology, especially titanium and titanium alloys have high melting points, and the chemical activity is very high in the molten state, which can almost react with the existing engineering materials, so its melting And forming is extremely difficult, especially when forming complex thin-walled castings of titanium and titanium alloys, which puts forward higher requirements for its forming device and forming process. At present, the smelting methods of titanium and titanium alloys used in industry are mainly vacuum consumable electrode shell smelting and vacuum non-consumable electrode co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D18/00B22D25/02B22D18/08
Inventor 邹鹑鸣魏尊杰王宏伟朱兆军
Owner HARBIN INST OF TECH
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