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Welding device for welding large-scale pipe fitting elbow

A welding device and elbow technology, applied in welding equipment, welding accessories, arc welding equipment, etc., can solve the problems of complex fixed structure of elbow weldment and rotating disc, unstable speed of elbow weldment, and influence on welding quality, etc. , to achieve the effect of improving welding quality, convenient fixing, and stable rotation speed

Pending Publication Date: 2020-11-03
杨喜春
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The shortcomings of this patent are that the fixing structure of the elbow weldment and the rotating disk is complicated, the operation is inconvenient, and the speed of the elbow weldment rotating with the rotating disk is not stable enough, thus affecting the quality of welding

Method used

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  • Welding device for welding large-scale pipe fitting elbow
  • Welding device for welding large-scale pipe fitting elbow
  • Welding device for welding large-scale pipe fitting elbow

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Welding device for welding elbow inner arc (inner R) welds

[0030] Such as figure 1 As shown, it includes a support that can be lifted. The support is composed of a frame 3, a lift frame 5, and a transverse arm 4. The transverse arm is installed on the lift frame 5. The lift frame can move up and down relative to the frame 3. The transverse arm 4 is connected to the welding arm. 9. A welding head 10 is provided at the end of the welding arm. The rotating disc 2 is fixed on the base 1 and can drive the frame 3 to rotate. The lifting motor 6 can drive the lifting frame 5 to move up and down through the lifting chain 7, and then drive the transverse arm 4 to move up and down. The transverse arm 4 is provided with a welding wire reel 8 , and a welding wire 27 is installed on the welding wire reel 8 , and the welding wire 27 is connected to the welding head 10 .

[0031] Such as figure 1 , figure 2 As shown, it also includes an elbow weldment clamping device. The elbo...

Embodiment 2

[0036] Welding device for welding elbow outer arc (outer R) welds

[0037] Such as image 3 As shown, the difference between Embodiment 2 and Embodiment 1 is that the overall welding arm is in the shape of an upwardly raised arc; the driving sprocket is located below the driven sprocket, and after the elbow weldment is clamped, the outer circle The arc weld seam corresponds to the position of the welding head.

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Abstract

The invention relates to a welding device for welding a large-scale pipe fitting elbow. The welding device comprises a lifting bracket, the bracket is connected with a welding arm, and a welding machine head is arranged on the end part of the welding arm. The welding device further comprises an elbow weldment clamping and fixing device, wherein the elbow weldment clamping and fixing device comprises a driving chain wheel, a first hydraulic oil cylinder, a first linear slide way and a second linear slide way, the driving chain wheel is driven by a driving chain to rotate, and correspondingly, adriven chain wheel is arranged on the inner side of the driving chain; the first hydraulic oil cylinder is connected with the driving chain, and can drive the driving chain to move up and down; and the first linear slide way, the second linear slide way and the driving chain wheel are arranged in a fan shape, the end parts of the two linear slide ways are hinged to a wheel shaft of the driving chain wheel, clamping and fixing pieces are arranged on the two linear slide ways, and the clamping and fixing pieces are used for clamping and fixing elbow weldment. The elbow weldment is convenient tofix, and is smooth and steady in rotation speed.

Description

technical field [0001] The invention relates to a welding device used for welding elbows of large pipe fittings. Background technique [0002] The prior art most relevant to the present invention is the patent titled "Butt Welding Elbow Automatic Welding Machine" (Patent No.: 201810508309.X). The welding head is set on a support that can move up and down, left and right, and the elbow weldment Fixed on the rotating disk, the elbow weldment rotates with the rotating disk, that is, the elbow weldment rotates relative to the welding head to realize the welding of the elbow. The disadvantages of this patent are that the fixed structure of the elbow weldment and the rotating disk is complicated, the operation is inconvenient, and the speed at which the elbow weldment rotates with the rotating disk is not stable enough, thereby affecting the quality of welding. Contents of the invention [0003] The object of the present invention is to provide a welding device for welding larg...

Claims

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Application Information

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IPC IPC(8): B23K9/18B23K9/32
CPCB23K9/18B23K9/32
Inventor 杨喜春
Owner 杨喜春
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