Strength testing device for degradable air bubble film

The strength testing device comprises a base, a groove is formed in the middle of the upper surface of the base, the inner cavity of the groove is rotatably connected with a two-way screw rod, a motor is arranged on the right side of the base, the left end of the top of the base is slidably connected with a first side plate, and the left end of the top of the base is slidably connected with a second side plate. A second side plate is slidably connected to the right end of the top of the base, threaded blocks are arranged at the bottom of the first side plate and the bottom of the second side plate, and a first fixing seat is fixedly connected to the middle of the right side of the first side plate. According to the strength testing device for the degradable air bubble film, through mutual cooperation of the first fixing base, the first pressing plate, the first rubber pad, the first lead screw, the first handle, the L-shaped fixing base, the second pressing plate, the third rubber pad, the third lead screw an