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[CN 201620054611.9] Large Diameter Thick Wall Welded Pipe O Forming Press
[CN 201620054611.9] Title of Large Diameter Thick Wall Welded Pipe O Forming Press: Application Number of Large Diameter Thick Wall Welded Pipe O Forming Press: CN 201620054611.9 Applicant: Yingkou Chenghe Pipe Industry Co., Ltd. Application Date: 2016-1-20 Patent Type: Utility Model Large Diameter Thick Wall Welded Pipe O Forming Press, which belongs to the technical field of design and manufacture of large diameter thick wall welded pipe O forming press. A lower mold rack is provided on the upper part of the mold base, and a lower mold is provided in the opening of the lower mold rack. The lower part of the hydraulic cylinder piston of the press is provided with an equalizing beam, and the lower part of the equalizing beam is provided with an upper mold frame. There is an upper mold in the upper mold rack opening. When the utility model works, the U-shaped tube blank from the previous process is processed into an O-shaped tube blank. Place the U-shaped tube blank in the opening of the upper and lower dies, then start the press, the piston rod of the hydraulic cylinder moves downward, and the opening of the tube blank is squeezed inward to press the U-shaped tube blank into an O-shaped tube blank. The utility model has a simple structure and a reasonable design. Because of the uniform pressure beam, the press can be formed at one time, which greatly improves the work efficiency. The processing quality is obviously improved. The failure rate is greatly reduced. It solves many problems existing in the existing equipment.
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