Front locator for rollgang

The utility model discloses a front locator for a rollgang. The front locator is used for positioning a tray on the rollgang. The front locator comprises a cylinder module, bearing block plates, a rotating shaft and an L-shaped frame, wherein the cylinder module comprises a rotating cylinder and a base plate, the base plate is fixed at the front end of the rollgang, the middle position of the base plate is provided with a cylinder base, and the rotating cylinder is installed on the cylinder base. The bearing block plates are fixed on the two sides of the rollgang on the rear side of the base plate, bearing blocks are arranged at the positions of the two ends of the bearing block plates, and the two bearing blocks are positioned on the two sides of the cylinder base. The two ends of the rotating shaft are installed in the two bearing blocks. One end of the L-shaped frame is fixed with the rotating shaft, the L-shaped frame can rotate around the rotating shaft, the other end of the L-shaped frame is provided with a blocking strip, the bend position of the L-shaped frame is fixed with a piston rod of the rotating cylinder, and the rotating cylinder can drive the blocking strip of the L-shaped frame to the position of the tray on the rollgang. The front locator is simple in structure and convenient to use and has accuracy in positioning.