Steel plate stacking device

The utility model relates to a steel plate stacking device which comprises a lifting rack and a lifting driving mechanism, the lifting driving mechanism comprises a driving unit, a driving crank, a driven crank and a synchronous connecting rod, the driving unit is installed on a structure foundation, and the output end of the driving unit is hinged to the power input end of the driving crank; the synchronous connecting rod is hinged to the power input end of the driving crank and the power input end of the driven crank, rolling wheels are arranged at the power output end of the driving crank and the power output end of the driven crank, and the two sets of rolling wheels are in rolling contact with the bottom of the lifting rack. According to the steel plate stacking device, driving of the lifting rack is achieved through the driving unit, the two cranks and the synchronous connecting rod, synchronization and positioning precision is high, operation is more stable and reliable, and stacking efficiency can be