Vacuum welding equipment and using method thereof

A technology of vacuum welding and equipment, applied in welding equipment, welding equipment, auxiliary welding equipment, etc., can solve the problems of affecting strength, large smoke, and the impact of vacuum pumping time on production efficiency, so as to reduce vacuum pumping time and improve production efficiency. Effect

Active Publication Date: 2019-04-05
GUANGXI NANNING SHENGQIAN TECH DEV CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In the existing welding equipment, there are many technologies such as explosive welding and vacuum welding. Among them, vacuum electron beam welding is the welding of materials in a vacuum environment. Electron beams can weld different metals and alloy materials, especially high refractory metals. Welding, and the welding precision is high, the efficiency of welding large and thick parts is higher, the welded joints are of high purity, the weld seam is pure, smooth, mirror-like, and free of oxidation and other defects; but at present, due to the long vacuuming time of large-scale vacuum electron beam welding, about It takes

Method used

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  • Vacuum welding equipment and using method thereof
  • Vacuum welding equipment and using method thereof

Examples

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Embodiment 1

[0034] A vacuum welding device, comprising a vacuum device 1, a welding vacuum chamber 2, a feeding vacuum chamber 3, an electron beam welding device 6, a welding workbench 7, an argon arc welding device 8, a nitrogen making device 10 and equipment supporting feet 4, the The vacuum device 1 is arranged on the right side of the vacuum welding equipment, the vacuum device 1 is provided with a vacuum pipeline 1.1, and the vacuum pipeline 1.1 is respectively connected to the welding vacuum chamber 2 and the feeding vacuum chamber 3, and the vacuum pipeline 1.1 is connected to the welding vacuum chamber 1.1. A solenoid valve I1.2 is provided in front of the vacuum chamber 2, and a solenoid valve II1.3 is provided before the vacuum pipeline 1.1 is connected to the feed vacuum chamber 3; the nitrogen making device 10 is arranged on the right side of the vacuum device 1, and the making The nitrogen device 10 includes a nitrogen generator 10.1 and a nitrogen storage tank 10.2, the nitro...

Embodiment 2

[0041] Embodiment 2 is basically the same in structure and principle as Embodiment 1, except that the vacuum insulated infusion tube 10.3 is connected to the vacuum insulated infusion hose 10.5, and the vacuum insulated infusion hose 10.5 is provided with a vaporizer 10.7, the vaporizer 10.7 is connected to the liquid nitrogen central distributor 7.17. When the weldment is heated as a whole, the cooling cover lifting hydraulic cylinder 7.16 tops the cooling cover 7.15 to the top of the welding workpiece, and the vaporizer 10.7 starts up to 99.99% purity After gasification, the liquid nitrogen enters the liquid nitrogen central distributor 7.17 and sprays it on the welding work through the electromagnetic nozzle 7.19 to carry out nitrogen protection heating, so that the overall heating of the welding workpiece is more uniform.

Embodiment 3

[0043] The structure and principle of this embodiment 3 are basically the same as that of embodiment 1. The difference is that the workbench 7.11 is also provided with an overturning platform 7.8, and the bottom of the overturning platform 7.8 is provided with a semicircular gear 7.10. The bench 7.11 is hinged by the hinge II 7.9, the side of the working bench 7.11 is fixed with an overturning motor 7.13, the output of the overturning motor 7.13 is provided with an overturning gear 7.12, the overturning gear 7.12 meshes with the semicircular gear 7.10, and the overturning table 7.8 When welding the workpiece, it can drive the weldment to turn over by 180° front and back to adapt to different welds.

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Abstract

The invention provides vacuum welding equipment and a using method thereof. The vacuum welding equipment comprises a vacuum device, a welding vacuum chamber, a feeding vacuum chamber, an electron beamwelding device, a welding worktable, an argon arc welding device and a nitrogen generation device; the welding vacuum chamber and the feeding vacuum chamber are provided with a piston sealing plate and a lifting sealing plate correspondingly; the electron beam welding device is arranged on the piston sealing plate, and the welding worktable can be overturned by 180 degrees and rotated by 360 degrees; the argon arc welding device is mounted on the piston sealing plate in a replaceable mode, and the nitrogen generation device can provide liquid nitrogen for a welding gun and a weldment for cooling; and the vacuum device is connected to the welding vacuum chamber and the feeding vacuum chamber for vacuumizing. Continuous production can be conducted without interrupts, the volumes of the vacuum chambers can be adjusted according to the size of the weldment, welding processes can be switched, a welding fume treatment device is arranged, thus the very environment-friendly effect is achieved, and production requirements of the modern novel vacuum welding equipment are met.

Description

technical field [0001] The invention belongs to the technical field of vacuum welding, and relates to a vacuum welding device and a using method thereof. Background technique [0002] In the existing welding equipment, there are many technologies such as explosive welding and vacuum welding. Among them, vacuum electron beam welding is the welding of materials in a vacuum environment. Electron beams can weld different metals and alloy materials, especially high refractory metals. Welding, and the welding precision is high, the efficiency of welding large and thick parts is higher, the welded joints are of high purity, the weld seam is pure, smooth, mirror-like, and free of oxidation and other defects; but at present, due to the long vacuuming time of large-scale vacuum electron beam welding, about It takes 10-15 minutes, and repeated vacuuming is required for each welding, which affects the production efficiency of the equipment, especially when welding small parts, it cannot...

Claims

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Application Information

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IPC IPC(8): B23K15/06B23K9/16B23K9/32B23K37/047
CPCB23K9/16B23K9/32B23K15/06B23K37/047
Inventor 钟安祺
Owner GUANGXI NANNING SHENGQIAN TECH DEV CO LTD
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