Motor assembling and pressing device

The utility model belongs to the technical field of motor assembly, and particularly relates to a motor assembly pressing device which comprises a rectangular pressing box body with an opening in the upper end, the pressing box body is used for containing a motor shell, a servo electric cylinder is installed on the outer side face of the end of the left side of the pressing box body, and a driving rod of the servo electric cylinder penetrates through the pressing box body and then is located in the pressing box body. A pressing part is fixed to the end of a driving rod of the servo electric cylinder, a semicircular clamping sleeve capable of sliding in a reciprocating mode is arranged in the pressing box body, an elastic clamping layer adheres to the inner wall of the clamping sleeve, and the thickness of the clamping layer is evenly reduced from the servo electric cylinder end of the pressing box body to the other end of the pressing box body. According to the utility model, the clamping sleeve slides to cla