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[CN 201621366855.7] Front-out Device of Cold Heading Machine
[CN 201621366855.7] Title of front-passing device of cold heading machine: Application number of front-passing device of cold heading machine: CN 201621366855.7 Applicant: Chen Jiande Application Date: 2016-12-13 Patent Type: Utility Model The utility model relates to a front-passing device of cold heading machine, including impact connecting rod, main slider, top-out rod, front support passive rocker arm and front support active rocker arm. The front support passive rocker arm is installed on the main slider via the second rocker arm shaft, the front support active rocker arm is installed on the main slider through the first rocker arm shaft. A cam assembly is arranged between the front support passive rocker arm and the front support active rocker arm. The cam assembly includes a cam and a cam rocker arm that contacts and cooperates with the cam. The cam rocker arm is installed on the main slider through the second rocker arm shaft. A return spring is arranged between the cam rocker arm and the main slider to contact and cooperate with the cam, the front support passive rocker arm is fixedly connected to the cam rocker arm by a safety screw. The cam is fixedly installed on one swing end of the front support active rocker arm. The other swing end of the front support active rocker arm is hinged with a transmission link. The other end of the connecting end of the front support active rocker arm is hinged on the impact connecting rod. The above structure has the advantages of simple structure, reliable operation and low noise.
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