Expansion fixture suitable for blank surfaces
A technology of expansion clamps and blank surfaces, which is applied in the field of expansion clamps, can solve the problems of inability to adapt to the needs of workpieces with various inner diameters, poor processing, and cumbersome fixture manufacturing.
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[0013] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0014] like figure 1 , an expansion fixture suitable for the blank surface, including a flange 1, a mandrel 2 fixed in the center of the flange 1, a cage 3 connected to the flange 1 by bolts, and the cage 3 is along the circumference A plurality of sliders 4 are evenly distributed in the direction, pads 5 are fixed on the sliders 4, and a conical expansion sleeve 6 is provided between the cage 3 and the mandrel 2, and the conical expansion sleeve 6 is closely connected with the slider 4 A spring 10 is connected between the front end of the conical expansion sleeve 6 and the flange 1 , and the end of the conical expansion sleeve 6 is provided with a fastening nut 7 sleeved on the mandrel 2 .
[0015] A rear cover 8 is arranged between the conical expansion sleeve 6 and the fastening nut 7, and the rear cover 8 is fixed on the end of the conical...
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