High-sensitivity corn castration machine

The utility model discloses a high-sensitivity corn castration machine, which comprises a frame, a traveling device, a lift device and a castration device, wherein the traveling device is fixedly connected with the lower side of the frame; the lift device is fixedly connected with the traveling side of the frame; and the castration device is fixedly connected with the lift device. The castration machine is characterized by comprising an infrared detection device and a connecting rod, wherein one end of the connecting rod is connected with the infrared detection device and used for fixing the infrared detection device in front of the castration device; and the infrared detection device comprises a plurality of infrared tubes and an infrared tube support. The corn castration machine is provided with a high-sensitivity infrared detection device for measuring the corn height. The device has high sensing accuracy, so that the corn height information can be fed back to a control system more accurately in the corn seed production castration operation, and the corn castration machine can complete the castration operation more accurately.