Automatic welding machine for slurry pipe hoops

An automatic welding machine and mud technology, applied in welding equipment, welding equipment, auxiliary welding equipment, etc., can solve the problems of low precision, poor welding quality, and long assembly time of positioning fixtures, and achieve high precision, ensure welding quality, and ensure the quality of welding. The effect of low labor intensity

Pending Publication Date: 2017-10-03
CHINA RAILWAY TUNNEL GROUP CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problems of poor welding quality, low precision and long assembly time of positioning fixtures in the prior art

Method used

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  • Automatic welding machine for slurry pipe hoops
  • Automatic welding machine for slurry pipe hoops
  • Automatic welding machine for slurry pipe hoops

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Embodiment 1: A kind of mud pipe hoop automatic welding machine, see Figure 1 to Figure 4 , the controller is electrically connected with the transmission mechanism 2, the gun feeding mechanism 3, and the pressing mechanism 4 installed on the frame 1; For the same two rotating rollers 33, the distance between the rotating rollers is not greater than the outer diameter of the pipe to be welded; the torch feeding mechanism 3 includes a welding torch 31 installed on the welding torch fixing platform, the welding torch 31 is connected with a welding torch adjusting member 32, and the welding torch fixing platform 33 Installed on rack 1;

[0032] The compression mechanism 4 includes two compression wheels 41 installed on the compression frame 42, the bottom of the compression frame 42 is fixed on the frame 1, and the compression wheels 41 are correspondingly installed above the welding pipe of the welding machine.

[0033] The outer surface of the pinch wheel 41 is covered...

Embodiment 2

[0041] Embodiment 2: The principle of this embodiment is the same as that of Embodiment 1, the specific difference is that the sliding connection between the welding torch fixing table and the frame is realized by a slide rail, and a positioning element for fixing is provided on the slide rail.

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Abstract

The invention relates to an automatic welding machine for slurry pipe hoops. By means of the automatic welding machine for the slurry pipe hoops, the problem of poor welding quality in the prior art is solved, and a controller is in electric signal connection with a transmission mechanism, a gun feed mechanism and a pressing mechanism which are installed on a rack. The transmission mechanism comprises a bottom rotating roller set driven by a transmission motor. The bottom rotating roller set comprises two rotating rollers which are arranged correspondingly and are the same in rotation direction. The interval between the rotating rollers is no larger than the outer diameter of a pipeline welded by the automatic welding machine. The pressing mechanism comprises two pressing wheels installed on a pressing frame, and the pressing wheels are installed above the pipeline welded by the automatic welding machine correspondingly. The automatic welding machine for the slurry pipe hoops has the beneficial effects that the automatic welding machine is designed as a vertical four-gun automatic welding machine according to the welding process requirement of the slurry pipe hoops, workpieces can be rotated, welding guns are fixed, and a PLC microcomputer control system is adopted for control, so that the automatic welding machine is stable in performance and reliable.

Description

technical field [0001] The invention relates to pipe hoop processing equipment, in particular to an automatic welding machine for mud pipe hoops. Background technique [0002] Pipelines are mainly used to carry liquids such as water, oil, and mud. The pipe clamps are mostly located at both ends of the pipe and play the role of connection. The installation of pipe clamps on pipes is mostly done by casting, forging or welding, but for welded pipe clamps, it is rare in specific work due to the existence of various station requirements. The traditional method of mud pipe clamps is to use manual welding. However, for the large-diameter shield mud pipe with large diameter and heavy weight, especially for the DN500 mud pipe of the shield machine of this project, manual welding is time-consuming and labor-intensive. [0003] At present, the technical improvement of pipe hoop welding mainly focuses on the improvement of welding machine. For example, the patent No. CN105014265A is ...

Claims

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Application Information

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IPC IPC(8): B23K28/00B23K37/053
CPCB23K28/00B23K37/0533B23K37/0538
Inventor 陈慧超吴建宏李政花煜任朋静袁亚洲闫谋权
Owner CHINA RAILWAY TUNNEL GROUP CO LTD
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