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[CN201620377871.X] Die cooling device for high-speed hot upsetting machine
[CN201620377871.X] Title of a die cooling device for a high-speed hot upsetting machine: Application number of a die cooling device for a high-speed hot upsetting machine: CN201620377871.X Applicant: Huzhou Hartbell Precision Forging Co., Ltd. Application date: 2016-4-29 Patent type: Utility model The utility model discloses a die cooling device for a high-speed hot upsetting machine, including a concave sleeve, a concave sleeve, front die, rear die, rear die pad, ejection sleeve and forging are arranged in the female die sleeve. The ejection sleeve is of hollow structure. The lower end surface of the ejection sleeve is contacted with an ejector rod, which extends downward to the bottom pad of the female die sleeve. The bottom pad of the female die sleeve is provided with an inlet pipe. The upper end surface of the bottom pad of the female die sleeve is contacted with a reverse forming punch. The wall of the ejection sleeve is provided with a radial outlet hole, the peripheral wall of the ejector sleeve is provided with an axial water supply hole, the water inlet pipe is communicated with the axial water supply hole, and the radial water outlet hole is communicated with the axial water supply hole. The structure of the utility model is reasonable, by setting the top-out sleeve into a hollow structure and setting the reverse side forming punch, axial water supply hole, to achieve multiple water supply holes at the same time to the radial water outlet water supply, can avoid the occurrence of water pressure significantly reduced phenomenon, to ensure that the mold surface can be fully cooled.
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