Novel battery pole piece thickness measuring jig

The utility model discloses a novel battery pole piece thickness measuring jig which comprises an upper jig group and a lower jig group. The lower jig group comprises a lower shell, a guide sleeve and a first conductive piece; the lower shell is provided with a pole piece accommodating cavity; the guide sleeve is arranged in the pole piece accommodating cavity; the first conductive piece is fixedly connected to the lower shell; the upper jig group comprises an upper shell, a cover plate, a piston rod, a spring, a screw cap and a second conductive piece; the upper shell and the lower shell are oppositely arranged, and sealing mechanisms are arranged on the opposite surfaces of the upper shell and the lower shell; the cover plate is fixedly connected to the upper surface of the upper shell; the piston rod movably penetrates through the center of the upper shell in a sealed mode and penetrates out of the cover plate, and the piston rod and the guide sleeve are oppositely arranged. The spring is arranged between