Cow leather stretcher

The invention relates to the technical field of stretcher equipment, and discloses a cow leather stretcher. The cow leather stretcher comprises a bottom plate, wherein the top of the bottom plate is sequentially and fixedly connected with a right stand column and a left stand column from right to left, a downward pulling device is arranged on one side of the left stand column, the downward pullingdevice comprises a main motor, an output shaft of the main motor is fixedly connected with a main rotating shaft, a conical gear is arranged at the top of the main rotating shaft, and a driving rod is arranged on one side of the conical gear. According to the cow leather stretcher, the downward pulling device, a pull plate and a hook are arranged, so that the main motor is used for driving the driving rod to rotate, and then a first rotating rod is rotated; a second rotating rod is driven to move up and down under the action of a movable rod through rotation of the first rotating rod, then the pull plate on one side