High-precision automatic double-shaft grinding machine

The invention discloses a high-precision automatic double-shaft grinding machine, and belongs to the technical field of grinding machine equipment. The main shaft grinding head is used for processing neodymium iron boron magnetic materials; the X-axis automatic closed-loop adjusting mechanism is used for driving the main shaft grinding head to move in the X-axis direction; the Y-axis automatic closed-loop adjusting mechanism is arranged on the bed body; wherein the main shaft grinding head comprises a disc type servo motor, a main shaft body and a water cooling shaft sleeve, the disc type servo motor is arranged on the X-axis automatic closed-loop adjusting mechanism, the main shaft body is connected with the disc type servo motor, and the main shaft body is connected with the water cooling shaft sleeve through two sets of P4-level double-row taper hole roller bearings and a set of P4-level angular contact bearings; a spindle body is formed by sequentially assembling two groups of P4-level double-row rollers