Circuit board printing machine with tin blocking device

The utility model discloses a circuit board printing machine with a tin blocking device. The device comprises a front rack and a rear rack, the two racks are fixedly connected through a cross beam; aworkbench is arranged at the lower end of the rack. A flat plate type linear motor is mounted at the upper end of the rack; an installation block is installed on a rotor plate of the flat plate type linear motor, the installation blocks on the front rack and the rear rack are fixedly connected through a sliding column, a sliding block is installed on the sliding column in a sliding mode, a push rod motor is installed on the installation block, and a push rod head of the push rod motor is fixedly connected with the sliding block and pushes the sliding block to slide along the sliding column. The circuit board printing machine with the tin blocking device has the beneficial effects that the circuit board printing machine with the tin blocking device can effectively prevent solder paste fromoverflowing from the conne