Grinding device for solid soldering paste

The utility model discloses a solid soldering paste grinding device which comprises a box body, the top end of the box body is fixedly connected with a feeding hopper, a crushing mechanism is arranged below the feeding hopper, a grinding mechanism is arranged below the crushing mechanism, and a bearing plate is fixedly connected to the position, close to the bottom, of the left side of the box body. A driving motor is fixedly connected to the position, close to the left side, of the bottom of the bearing plate, an output shaft of the driving motor is fixedly connected with a rotating disc, a crank is fixedly arranged on the lower surface of the rotating disc, one end of the crank is fixedly connected with a connecting rod, and the other end of the connecting rod penetrates through the side wall of the box body, extends into the box body and is fixedly connected with a screening plate; and a fan is arranged on one side of the screening plate. By means of the structure, solid soldering paste can be screened in