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[CN201720434815.X] Double-action fast forging machine


[CN201720434815.X] Title of a double-acting fast forging machine: Application number of a double-acting fast forging machine: CN201720434815.X Applicant: Hunan Jufeng Technology Industry Co., Ltd. Application date: 2017-4-24 Patent type: Utility model The utility model discloses a double-acting fast forging machine, and the body of the fast forging machine is provided with 4 guide rods; the upper end of the guide rod is provided with a cylinder; the main cylinder is fixedly connected with a plunger; the perforated cylinder below the cylinder barrel; The main cylinder moving pair is composed of the main cylinder plunger and the cylinder barrel to carry out general forging blow; The perforated cylinder and the perforated cylinder plunger on the cylinder barrel constitute the secondary cylinder moving pair for punching; During forging, the bottom of the cylinder barrel is connected with the outer punch of the forging die; the plunger of the perforated cylinder is connected with the inner punch of the forging die; the outer punch presses the forging blank, and the inner punch can punch (double action). When the inner punch does not move after punching a shallow hole, the outer head is pressed down until the surfaces of the two punches are flush, and then the shallow hole is punched again, which can realize multiple blows with small energy and achieve the purpose of reducing forging force. In addition, it can also be extended to punching, trimming, hot drawing, convenient demoulding, etc.

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