Pipeline facing machine

Abstract

The invention relates to a pipeline facing machine, which comprises a main supporting shaft and an enclosure, wherein the main supporting shaft is provided with a main shaft sleeve; the main shaft sleeve is movably connected with the main supporting shaft via a bearing; the main shaft sleeve is provided with a transmission gear and a cutterhead; a hydraulic cutting and feeding device and a hydraulic expansion device are respectively arranged on two ends of the main supporting shaft; a driving device is meshed with the transmission gear via a power output gear; the driving device is fixedly arranged on the enclosure; and the enclosure is movably connected with the main shaft sleeve via a main enclosure supporting bearing. According to the pipeline facing machine disclosed by the invention, the facing machine and the a pipeline can be fixed and the cutterhead can be fed and retracted by the hydraulic expansion device and the hydraulic cutting and feeding device, the automatic degree and the manpower labor intensity are improved, and the pipeline facing machine has the advantages of high expansion speed, big expansion force, stability in feeding, compact equipment structure, small volumesize, wide pipeline applicable range and convenience in carrying. According to a proper device, one person can easily finish installing and disassembling the machine on the pipeline.

Description

technical field [0001] The invention relates to a metal pipeline welding auxiliary machine, which is a pretreatment equipment before pipeline welding. The main function is to make pipeline slopes with different angles and shapes on the pipeline by using blades of different shapes and angles according to the welding requirements of different pipelines. mouth machine. Background technique [0002] In the construction process of petroleum, chemical, natural gas, metallurgy, steel, pharmaceutical and other industries, metal pipes of different materials are required. Pipe connections are basically done by welding. If welding is required, welding grooves are required. [0003] In the past construction, flame cutting was mainly used for welding grooves, but after flame cutting, it will affect the change of metal microstructure at the cutting place and seriously affect the welding quality. Therefore, cold cutting is generally required in some occasions with medium and high req...

AI Technical Summary

Problems solved by technology

[0007] 2. The machine is relatively small, but the pursuit of smallness is too small, resulting in insufficient strength of the equipment itself, high failure rate, and extremely low life span, which basically will not exceed half a year

Also because it is too small, the processing range of the machine is limited, resulting in a wide variety of machine models, as many as 5-6 specifications and models within the range of diameter 150mm~800mm

[0008] 3. High labor intensity

Large foreign equipment has a split type, that is, the machine is disassembled and assembled on the pipeline, but it is also very cumbersome and labor-intensive

[0009] 4. There is also feeding. The products on the market at present have similar processing principles to the present invention. Without exception, manual feeding is used, that is, one piece is screwed into the screw rod. When the machine is working, people must gradually screw it into the screw. Knife screw, which requires a lot of labor intensity

[0010] 5. Low power and insufficient tension force

The phenomenon of loosening of the machine often occurs, and there are even accidents where the machine falls, breaks and hurts people

[0011] 6. The feeding process is uneven, and the quality of the groove made is not high and there are ripples

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