Grinder

The utility model provides a grinder. The grinder comprises a rack, wherein a panel is arranged on the rack, one side of the panel is provided with an opening, the opening is communicated with a lower opening of a grinding barrel body, the upper end of the grinding barrel body is provided with a feed port, and a primary grinding device and a secondary grinding device are orderly arranged in the grinding barrel body from top to bottom; the primary grinding device comprises a support plate and a grinding roller; a driving device comprises a second motor and a second shaft coupler; the secondary grinding device comprises a mixing shaft and a first motor; a damping device comprises a shock absorbing pad and a bottom plate. The grinder provided by the utility model has the beneficial effects that the damping device is arranged between the motor and the rack; the impact caused by the shock can be reduced when the grinder is in operation, so that the grinder is stable in integral running and convenient for operation; and meanwhile, the service life of the grinder can be prolonged; through the setting of the primary grinding device and the secondary grinding device, the grinding effect of the plastic after entering the grinder is better.