Railway wagon brake pipe system joint body all-position welding device
A technology for railway freight cars and welding devices, applied in welding equipment, auxiliary devices, auxiliary welding equipment, etc., can solve the problems of verticality and coaxiality of pipe fittings and joint bodies, difficulty in ensuring coaxiality, high labor intensity, and easy toppling of pipes. It is convenient and reasonable for workers to operate, the welding quality is high, and the effect of reducing unqualified products
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[0018] see Figure 1-Figure 7 , the present invention includes a support table 5, the key technology of which is to fixedly install a pneumatic three-jaw chuck 2 and a rotary table 1 driven by a DC motor on the support table 5, the rotary table 1 and the pneumatic three-jaw chuck 2 are coaxial and the rotary table 1 rotates relative to the pneumatic three-jaw chuck 2, the rotary table 1 is connected with the welding torch components, and the DC motor drives the rotary table to rotate so that the welding torch rotates relative to the fixed joint body (workpiece); the pneumatic three-jaw chuck includes a disc 6 and a uniformly distributed There are three movable jaws 8 on the disc 6, and the positioning ring 7 is located between the movable jaws 8 in the middle of the disc 6. The pneumatic three-jaw chuck uses the radial movement of three evenly distributed movable jaws. , to clamp and position the joint body. The pneumatic V-shaped clamping part 3 is installed at the position ...
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