Punching machine facilitating die replacement

Abstract

The utility model discloses a punching machine convenient to replace a die, which comprises a working table, a punching part is arranged above the working table, a supporting part is arranged below the working table, two sides of the bottom surface of the working table are provided with at least two pin shaft seats which are correspondingly arranged, a pressing head is connected between the pin shaft seats through pin shafts, and the pressing head is connected with the working table. The top of the pressing head is connected with a hydraulic rod, at least two positioning columns are arranged on one side of the pressing head, movable positioning columns are arranged on the opposite sides of the positioning columns in parallel and embedded in the workbench, one sides of the movable positioning columns are movably connected with locking shafts, and the locking shafts are connected with the pressing head. The lock shaft penetrates through the interior of the workbench and is fixedly connected with a rotary lock head, the rotary lock head is installed on the side, close to the movable positioning column, of the workbench, and the die replacing device has the advantages that a die is convenient to replace, and abrasion of parts is reduced.

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