Power supply module for PLC teaching experiment box

The utility model discloses a power supply module used for a PLC teaching experiment box, comprising a power supply main body, a lower heat dissipation hole hollowly arranged in the lower end of the power supply main body, an upper cover plate arranged at the upper end of the power supply main body, a wiring block arranged at one end of the power supply main body, and an area division plate arranged at the upper end of the wiring block. A fastening screw is arranged on the side, close to the area division plate, of the upper end of the wiring block, a fixing rod is arranged on one side of thewiring block, a through hole is formed in the fixing rod in a hollowed-out mode, an external wire is arranged in the through hole, and a fixing chamber is arranged on the upper side of the through hole in the fixing rod. A sliding block is arranged on the inner side of the fixing chamber, and a pressing rod is arranged in the sliding block in a penetrating mode. According to the power supply module for the PLC teaching ex