Instrument for testing slots among commutator segments

The utility model discloses an instrument for testing slots among commutator segments, which comprises a tray (10) and a frame (15). A commutator rotation device (11) is arranged above the tray, and a driven shaft (12) is arranged below the tray in the position corresponding to the commutator rotation device and is connected with a cylinder (13); and a visual sensor (6) is arranged on the side of the tray and is connected with an image processor (7), the image processor is connected with a touch display (1), the cylinder, the commutator rotation device, the image processor and the visual sensor are all connected with a microcomputer controller (8), and the microcomputer controller is also connected with a switch (2). The instrument provided by the utility model has high precision and sensitivity, and can test poor quality problem of the slots among commutator segments at the same moment. The instrument can be used for a mass produce line, and reduces labor intensity and production cost and improves testing ac