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[CN 201621075727.7] air spring pressing device for cold heading machine
[CN 201621075727.7] Title of a cold heading machine gas spring pressing device: Application number of a cold heading machine gas spring pressing device: CN 201621075727.7 Applicant: Qinhuangdao Qi Er CNC Machine Tool Co., Ltd. Application date: 2016-9-23 Patent type: Utility model A cold heading machine gas spring pressing device, which includes a cam, a gas spring and a swing fork, wherein the swing fork is hinged with a fixed shaft fixed on the cold heading machine bed, one end of the swing fork is hinged with one end of the gas spring through a pin shaft, and the other end of the gas spring is hinged with a bracket fixed on the bed. The other end of the swing fork is provided with a roller, which is pressed against the cam installed on the main shaft of the cold heading machine. Together, the above-mentioned gas spring is provided with an air inlet hole for passing pressurized gas. The utility model has the advantages of large pressure adjustment range, convenient installation and maintenance, self-lubrication, simple gas path control, etc., and is completely suitable for the top pressure device of the cold heading machine.
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