Edge cutting device for aluminum foil production

The utility model discloses an aluminum foil production trimming device which comprises a working table, a first telescopic rod is arranged above the working table, a pressing plate is arranged at the upper end of the first telescopic rod, a clamping plate is arranged below the pressing plate, first L-shaped plates are arranged on the left side wall and the right side wall of the working table, a through groove is formed in the first L-shaped plates, and the left side wall and the right side wall of the working table are provided with second L-shaped plates. A third threaded rod extending into the through groove is rotationally inserted into the rear side of the first L-shaped plate, a top plate is arranged at the end, located in the through groove, of the third threaded rod, a horizontal plate is arranged between the top plate and the inner wall of the through groove, a second telescopic rod is arranged at one end of the horizontal plate, and a second L-shaped plate is arranged at the lower end of the second