Valve fixing and assembling device

The utility model discloses a valve fixing and assembling device which comprises a supporting table plate, two sets of supporting plates, a fixing assembly and an assembling assembly, and the two sets of supporting plates are symmetrically installed on the two sides of the top end of the supporting table plate through bolts. The fixing assembly is arranged, the first motor is used for driving the transmission lead screw to rotate, the transmission lead screw rotates to drive the two sets of lead screw nuts to be close to each other, the lead screw nuts move to drive the fixing plate to move, the sliding rod can be used for limiting movement of the lead screw nuts, and the fixing plate moves to drive the clamping plate to move. Under the cooperation of a damping spring and a clamping pin, a valve body can be stably clamped, a second motor is used for driving a clamping plate to rotate, under the cooperation of an auxiliary rod, the valve body can be driven to rotate, the angle of the valve body can be adjusted