Guide die capable of reducing errors and used for lubricating piece

The utility model relates to the technical field of extruders, and discloses a flow guide die capable of reducing errors for a lubricating sheet, which comprises an extruder, a feed hopper arranged on the upper surface of the extruder, a discharge pipe arranged on the left side of the extruder, a flange die arranged on the left side of the extruder, and a connecting groove arranged on the left side in the flange die, the connecting groove extends to the right side of the flange die, the left end of the discharging pipe is rotationally connected with a connecting threaded cylinder, the connecting threaded cylinder is in threaded connection with the connecting groove, a flow guide upper die and a flow guide lower die are arranged on the left side of the flange die, and a flow guide device is arranged on the flow guide lower die. According to the flow guide mold capable of reducing the errors for the lubricating sheet, lubricating materials can flow into the forming groove more uniformly, so that the lubricating