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[CN 201720909723.2] automatic cutting device for welding wire of longitudinal submerged arc welding machine
[CN 201720909723.2] Title of welding wire automatic cutting device for longitudinal submerged arc welding machine: Application number of welding wire automatic cutting device for longitudinal submerged arc welding machine: CN 201720909723.2 Applicant: Chengdu Welding Research Technology Co., Ltd. Application date: 2017-7-25 Patent type: Utility model The utility model discloses a welding wire automatic cutting device for longitudinal submerged arc welding machine, which includes a base, a curved arm installed on the base, and a mounting plate connected with the curved arm, the first cylinder fixedly installed on the side of the mounting plate, the four-bar linkage mechanism connected with the piston rod of the first cylinder, the movable scissor blade connected with the four-bar linkage mechanism, and the movable scissor blade connected with the end of the mounting plate and matched with the movable scissor The fixed scissor blade; the shearing section of the scissor blade is at an angle of 30 ° to 45 ° with the bottom surface of the base. The utility model adopts a cylinder to provide shearing power, which is small in size and low in cost; the four-bar linkage mechanism forms a lever structure, which magnifies the shearing force several times, and the shearing surface of the utility model forms a non-perpendicular angle with the wire axis, To ensure the stable establishment of welding arc starting current; the utility model has reasonable design, simple and reliable structure, strong adaptability to multiple working conditions, and effectively solves the process problem of stable establishment of welding arc starting current, it can realize automatic cutting of welding wire for unmanned full-automatic straight seam submerged arc welding.
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