Chute switching device for powder conveying

The utility model belongs to the technical field of powder lifting equipment, and discloses a skewed slot switching device for conveying powder, which comprises a first skewed slot, a second skewed slot, a first three-way slot and a second three-way slot, a first discharge port of the first three-way groove is communicated with a first discharge port of the second three-way groove through a third stop valve, the first chute is communicated with a feed port of the first three-way groove, and a second discharge port of the first three-way groove is provided with a first stop valve; a second chute is communicated with a feed port of a second three-way groove, a second discharge port of the second three-way groove is provided with a second stop valve, one of the first stop valve and the second stop valve is opened, the other stop valve is closed, and during switching, a third stop valve is opened to control a powder conveying path; according to the utility model, the three-way groove is matched with the stop valv