Novel wire concentration plate of 3D printer

The utility model discloses a novel 3D printer line concentration board, which comprises an integrated board main body, the center of the integrated board main body is provided with a first positioning hole, one side of the top of the integrated board main body is electrically connected with a motor driving chip, and the other side of the top of the integrated board main body is symmetrically provided with a hot melting head joint and a second temperature sensor joint. According to the utility model, the external bus is simple, wiring can be completed by using four wires, the occupied space of the wires can be reduced, the communication wire is provided with a ground wire shielding layer, the electromagnetic interference is small, the diameter of the power line is large, the path of an electrical loop is short, and the reliability of the integrated board is improved. The energy loss on the wire is small, the wiring operation is simple, the overall assembly of the printer is more convenient and quicker, the pr