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[CN201720937350.X] a cold heading machine title: a cold heading machine application number: CN201720937350.X applicant: Wenzhou xiangchao auto parts co., ltd. application date: 2017-7-29 patent type: utility model the utility model discloses a cold heading machine, the main points of its technical scheme include a frame, a longitudinal moving plate and a cutting head, the upper end of the cutting head is fixedly connected with a vertical conveying column, and the upper end of the sliding block, the sliding block is fixedly connected with a connecting spring, the connecting spring is fixedly connected with a hinge rod, and the other end of the hinge rod is hinged with the moving plate. In the utility model, when the material passes through the cutting head, the cutting head reciprocates longitudinally with the longitudinal moving plate, and then drives the material in the cutting head to cut and sends the cut material to the next process. The sliding block is connected with the hinged rod through the connecting spring, and when the cutting knife vibrates, the vibration is transmitted to the transmission rod, and finally part of the stress is released through the connecting spring, another part of the stress is released by the rotation between the hinge rod and the longitudinal moving plate at the hinge joint between the hinge rod and the longitudinal moving plate, thereby prolonging the service life of the cutting mechanism.
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