Feed crushing device with cutter easy to replace

The utility model discloses a feed crushing device with a cutter easy to replace, which comprises a chopping tank, and is characterized in that an end cover is arranged at the top of the chopping tank, a transmission mechanism main body is arranged at the top of the end cover, the transmission mechanism main body comprises a driving unit, a speed-reducing and torque-increasing structure is arranged on the inner side of the driving unit, and a feed injection port is arranged on the circumference of the chopping tank. A base is arranged at the bottom of the chopping tank, a feed crushing mechanism and a filter screen are arranged in the chopping tank, the feed crushing mechanism comprises a middle rotating rod and a sleeve, and a second limiting structure is mounted at the top end of the middle rotating rod. The utility model relates to a feed crushing device with a cutter easy to replace. The feed crushing device can effectively solve the problem that the cutter of a small feed crushing device is not easy to r