Automatic welding device and method for hard alloy bare wire

An automatic welding and wire feeding device technology, which is applied in welding equipment, welding accessories, arc welding equipment, etc., can solve the problems such as the inability to realize automatic wire feeding of light welding wire, the high brittleness of hard alloy light welding wire, and the inability to realize automatic welding, etc. Achieve the effects of good gas shielding effect, good welding quality and reduced labor intensity

Pending Publication Date: 2018-12-11
上海第一机床厂有限公司
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Problems solved by technology

[0005] However, the tungsten carbide light welding wire is brittle and cannot be bent and can only produce light welding wire with a larger diameter, which is generally long and has a diameter of more than 2.5mm.
The existing equipment cannot realize the automatic wire feeding of the light welding wire above 2.5mm, and the wire can only be fed manually; therefore, automatic welding cannot be realized

Method used

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  • Automatic welding device and method for hard alloy bare wire

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Embodiment Construction

[0037] The specific implementation of the new cemented carbide light welding wire automatic welding device and automatic welding method of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0038] See attached figure 1 , automatic welding device for hard alloy light welding wire, including welding table 1, welding torch 7, welding robot and wire feeding device, welding table 1 is provided with rotating mechanism 2, and welding workpiece 4 is set on rotating mechanism 2 through fixing fixture 3. The welding torch 7 is connected to the robot rotating shaft 9 through the robot adapter plate 8. The wire feeding device includes a wire feeding mechanism 15. The front end of the wire feeding mechanism 15 is a front guide part 14, and the rear end is a rear guide part 11. The wire feeding drive mechanism 13, the wire feeding mechanism 15 is connected to the robot adapter plate 8 through the wire feeding mechanism adapter plate 12, ...

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Abstract

The invention relates to the technical field of welding and discloses an automatic welding device for a hard alloy bare wire. The automatic welding device comprises a welding table, a welding robot and a wire feeding device and is characterized in that a welding workpiece is mounted on the welding table, the welding gun is connected to the rotary shaft of the robot through a connecting plate, thewire feeding device comprises a wire feeding mechanism, the front end of the wire feeding mechanism is a front guide part, the rear end of the wire feeding mechanism is a rear guide part, a wire feeding drive mechanism is mounted on the wire feeding mechanism, the wire feeding mechanism is connected to a robot connecting plate through a wire feeding mechanism connecting plate, the wire feeding mechanism and the welding gun move synchronously, and the rear guide part of the wire feeding mechanism corresponds to the tungsten electrode position of the nozzle of the welding gun. The invention further discloses an automatic welding method using the automatic welding device. The automatic welding device and method has the advantages that automatic feeding of the hard alloy bare wire is achieved,and automatic welding of the hard alloy bare wire is achieved by the coordination of the industrial robot and a welding process.

Description

technical field [0001] The technical field of welding of the present invention specifically relates to an automatic welding device and an automatic welding method for hard alloy light welding wire. Background technique [0002] In the welding of hard alloys, flux-cored wires, light wires or coated electrodes are generally used. [0003] The structure of the flux-cored wire is to make the alloy elements with better toughness in the cemented carbide into a shell, and the interior is the powder of other cemented carbide elements, so its minimum diameter can reach about 1mm and can be made into coil wire. This feature of the flux-cored wire can realize the automation of surfacing, and the automatic operation can be realized by installing the wire reel on the automatic surfacing machine for output. However, the disadvantage of flux-cored wire is that the weld composition is unstable and the welding effect is poor. [0004] Compared with the flux-cored welding wire, the cemented...

Claims

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Application Information

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IPC IPC(8): B23K9/167B23K9/133B23K9/32
CPCB23K9/133B23K9/167B23K9/32
Inventor冷晓春于凯强罗守一卜佳炜吉翠翠郭宝超
Owner上海第一机床厂有限公司