Horizontal pipe welding machine capable of automatically grinding weld joints

Abstract

The invention belongs to the technical field of welding, and particularly relates to a horizontal pipe welding machine capable of automatically grinding weld joints. The top of a machine frame is rotationally connected with a supporting wheel through a support, a first support is fixedly connected to the portion, at one side of the supporting wheel, of the machine in a rising manner, a driving motor is fixedly connected to the top of the first support, and a vertically-arranged driving wheel is fixedly connected to an output shaft of the driving motor; a transverse rod is fixedly connected tothe portion, between the first support and the supporting wheel, of the machine frame through a vertical rod, the two ends of the transverse rod are rotationally connected with a pair of tensioning wheels, the tensioning wheels are driven by hub motors arranged in the tensioning wheels to rotate, and an annular abrasive belt sleeves between the tensioning wheels; a cleaning roller is rotationallyconnected to the side, away from the motor, of the vertical rod through a third support, a plurality of rows of bristles made of steel wires are evenly distributed on the periphery of the cleaning roller, and the cleaning roller is driven by the motor to rotate; and the side, away from the tensioning wheels, of the third support is fixedly connected with a welding gun through the support. According to the horizontal pipe welding machine, welding scale is brushed away through the bristles, so that abrasion of the abrasive belt is reduced, and the welding and grinding efficiency of the pipe welding machine on a pipeline is improved.

Description

technical field [0001] The invention belongs to the technical field of welding, in particular to a horizontal pipe welding machine for automatically smoothing weld seams. Background technique [0002] Longitudinal welded pipe is a pipe obtained by straight seam welding on welding equipment with hot-rolled or cold-rolled steel plates or steel strip coils. After welding, the straight seam welded pipe forms a straight line weld at the weld. To make the welded pipe more beautiful, the weld seam of the welded pipe is polished by a grinding device after welding. [0003] There are also some technical solutions for welding and grinding in the prior art. For example, a Chinese patent with application number 2019216338016 discloses a straight seam welded pipe grinding device, which includes a base and a pipe body. The inner lower end of the chute is fixedly equipped with a guide rail, and the inner middle of the chute is movably installed with a lead screw, and both sides of the upp...

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Problems solved by technology

[0003] There are also some technical solutions for welding and grinding in the prior art. For example, a Chinese patent with application number 2019216338016 discloses a straight seam welded pipe grinding device, which includes a base and a pipe body. The inner lower end of the chute is fixedly equipped with a guide rail, the inner middle of the chute is movably installed with a lead screw, and both sides of the upper end of the base are fixedly installed with fixed seats, and the upper ends of the fixed seats are movable on both sides. A clamp is installed, one end of the clamp is fixedly connected with a hinge, a rubber pad is fixedly installed in the middle of the upper end of the fixed seat, and a locking bolt is fixedly connected to the inner upper end of the clamp, and the inside of the chute A slide block is movably installed on the outer surface of the lead screw, a slide seat is movably installed in the middle of the upper end of the base, a fixed plate is fixedly installed on the upper end outer surface of the slide seat, and the upper end outer surface of the fixed plate is fixedly installed There is a motor; but in the prior art, the pipeline needs to be polished after welding to make the weld reinforcement meet the predetermined requirements, increase the uniform integrity of the subsequent anti-rust paint coating, and improve the anti-corrosion performance of the steel pipe. The existing automatic grinding The welded pipe machine usually uses abrasive belt to grind the welded seam after welding, but the weld seam often contains protruding high-hardness welding slag and welding skin protective layer, which causes serious scratches to the abrasive belt and seriously reduces the service life of the abrasive belt

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