Shoe material pressure testing device

The utility model belongs to the technical field of shoe testing machines, and particularly relates to a shoe material pressure testing device which comprises a support, an L-shaped bracket arranged at the top of the support, a span limiting and adjusting assembly arranged at the top of the support, and a testing assembly and a guide assembly which are fixed on the L-shaped bracket, the span limiting adjusting assembly comprises a U-shaped support fixed to the top of the support, an air cylinder pushes a pressure tester to move downwards through a guide assembly, pressure testing operation is conducted on shoe materials fixed to the left limiting mechanism and the right limiting mechanism through the pressure tester, and a gear motor drives a screw to rotate. As the left threaded cylinder and the right threaded cylinder are respectively screwed on threads in different directions at the left end and the right end of the screw rod, the rotation of the screw rod drives the left limiting mechanism and the right l