Food sampling checking device for production line

The invention discloses a food sampling checking device for a production line. The food sampling checking device comprises a sampling box, a sampling cavity is formed in the sampling box, the food sampling checking device further comprises a transmission mechanism arranged at the left side of the sampling cavity, and a transmission motor is arranged in the transmission mechanism; a leftward outputshaft of the transmission motor is fixedly connected with a transmission motor auxiliary rod, a pair of transmission main limiting blocks are fixedly installed on the transmission motor auxiliary rod, and a rightward output shaft of the transmission motor is fixedly connected with a transmission motor main rod. A water pump in a cleaning mechanism pushes fruits to move to be cleaned, sampling wheels at the front and rear sample the fruits in size, a carrying fixing box is fixed on a carrying belt, a moving plate is driven by the transmission mechanism to move forwards, fruit boxes at the front and rear are hinged, wh