Punching device for tempered glass processing

The utility model relates to the technical field of glass punching, and discloses a punching device for tempered glass processing, which comprises a base, first moving grooves are fixedly arranged at the front and rear parts of the upper end of the base, a bidirectional threaded rod is rotatably connected between the inner walls of the two sides of one of the first moving grooves, and the two ends of the bidirectional threaded rod are respectively provided with a second moving groove. A first positioning rod is fixedly connected between the inner walls of the two sides of the other first moving groove, the two sides of the outer wall of the two-way threaded rod are both sleeved with first moving sliding blocks in a threaded mode, and the two sides of the outer wall of the first positioning rod are both slidably sleeved with first positioning sliding blocks; and L-shaped plates are fixedly connected to the upper ends of the first movable sliding block and the first positioning sliding block on the same side. A