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[CN 201720759728.1] hydraulic press moving table limit device
[CN 201720759728.1] Title of Hydraulic Press Mobile Worktable Limiting Device: Application Number of Hydraulic Press Mobile Worktable Limiting Device: CN 201720759728.1 Applicant: Xuzhou Dayi Heavy Forging Technology Co., Ltd. Application Date: 2017-6-28 Patent Type: Utility Model The utility model discloses a hydraulic press mobile worktable limiting device, including a fixed table top with a blind positioning hole, a positioning pin inserted in the blind positioning hole, and the cross section of the blind positioning hole is polygonal, the internal angles of these polygons are all right angles or 270 degrees. The positioning pin attached to the inner wall of the positioning blind hole is inserted in the positioning blind hole. The top end of the positioning pin is higher than the fixed table. The part of the positioning pin located outside the positioning blind hole has a longitudinal plane for contacting with the facade of the rectangular block. By setting the polygonal positioning blind hole with an inner angle of right angle or 270 degree angle and the positioning pin attached to the inner surface of the positioning blind hole, the positioning pin will not rotate due to the effect of the inner angle, so that the stability of the elevation position matched with the stopper can be ensured. Moreover, after the positioning pin is inserted, the positioning device can be omitted, and the horizontal positioning bolt is omitted, the number of accessories is saved, and the processing difficulty is reduced.
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