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[CN 201721208434.6] an improved hydraulic press die


[CN 201721208434.6] An improved hydraulic press mold Title: An improved hydraulic press mold Application number: CN 201721208434.6 Applicant: Sichuan Lande High-Tech Industry Co., Ltd. Application date: 2017-9-20 Patent type: Utility model The utility model relates to an improved hydraulic press mold. The traditional hard alloy mold processing technology is complicated and the processing process is long. At the same time, the mechanical properties of the steel shell are also poor, and the connecting force between the steel shell and the hard alloy is not strong enough. Another thing is that the steel shell can only be used once, and threaded holes need to be drilled in the steel shell and the hard alloy inner core. The hard alloy has high hardness, which makes drilling difficult and easy to produce defective products. The steel shell and the hard alloy inner core of the utility model adopt the form of mechanical connection, and the two adopt the cooperation of the concave-convex structure to achieve precise positioning, and are fixed by a lock nut with internal threads or a mold positioning sleeve with locking screws distributed around it, so as to facilitate press molding under the action of the external force of the hydraulic press.