Positioning device for woodworking lathe

The utility model discloses a positioning device for a woodworking lathe. Including a body, the device further comprises a fixing device and a clamping device. Wherein the main body comprises a rotarydisc and a sharp bulge; the fixing device comprises an arc-shaped plate; the arc-shaped plate is located on one side of the rotary disc. A rubber pad is fixedly connected to the bottom face of the arc-shaped plate, fixing columns are connected to the lower portions of the two sides of the arc-shaped plate, an outer pipe sleeve is arranged below the arc-shaped plate, an inner pipe sleeve is connected to the inner side of the outer pipe sleeve, a limiting plate is fixedly connected to the bottom face of the inner pipe sleeve, and a first spring is connected to the outer side of the inner pipe sleeve. According to the positioning device for the lathe, the arc-shaped plate and the like are designed and installed, so that a prism-shaped or cylindrical machined part is convenient to fix, and the problems that an existi