Disposable draw device of thick -walled pipe

• Main Authors: CHENG MINJIE, HUANG JIN, YAO DONGYUAN, DU FENGLING, DING SHIGAN, HAN HAILI, YU HUANI
• Format: Patent
• Language: Chinese; English
• Published: 29.06.2016
• Subjects: AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL; MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING; MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL; PERFORMING OPERATIONS; PUNCHING METAL; TRANSPORTING

The utility model relates to a disposable draw device of thick -walled pipe, die -filling slider and the hydraulic press die surface of removing theatrical makeup and costume on the hydraulic press that sets up from top to bottom, the die -filling slider is provided with the cushion on the hydraulic press, the activity is provided with draw mould on going up the cushion, hydraulic press under the draw mould is removed theatrical makeup and costume and is provided with down the cushion on the die surface, the cushion periphery is provided with the three -jaw down, the three -jaw is provided with material returned board with draw intermode, material returned board is fixed in the hydraulic press die surface of removing theatrical makeup and costume by the pull rod. The utility model discloses a structure is moved, decided, relatively independent between each part, low cost, be liable to change, its operation is safe convenient, and the process is simple, and manufacturing cost's reduction has been realized to t