Static pressure motorized spindle and machining equipment with static pressure motorized spindle

Abstract

The utility model discloses a static pressure electric spindle and machining equipment with the static pressure electric spindle, and the static pressure electric spindle comprises a shaft body which comprises a first output end and a second output end which are oppositely arranged in the axial direction; the first bearing body is arranged at the first output end of the shaft body in a sleeving mode, a first pressure cavity used for allowing oil to flow is formed in the inner wall face of the first bearing body, the first pressure cavity is opposite to the circumferential surface of the shaft body, and the first pressure cavity extends in the circumferential direction of the first bearing body; the second bearing body is arranged at the second output end of the shaft body in a sleeving mode, a second pressure cavity used for allowing oil to flow is formed in the inner wall face of the second bearing body, the second pressure cavity is opposite to the circumferential surface of the shaft body, and the second pressure cavity extends in the circumferential direction of the second bearing body; and pressure is applied to the first output end and the second output end of the shaft body through the first pressure cavity and the second pressure cavity respectively. The problem that in the prior art, a static pressure electric spindle is in one-way output, and driving workpieces need to be frequently replaced is solved.

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