Silencing plate punching device for automobile silencer production

The utility model discloses a silencing plate punching device for automobile silencer production, which belongs to the technical field of silencer production and comprises a punching rack consisting of two L-shaped plates and a horizontal plate, the two L-shaped plates are oppositely arranged, the horizontal plate is fixed between the two L-shaped plates, two silencing plate limiting seats are arranged on the upper surface of the horizontal plate, and the two silencing plate limiting seats are arranged on the lower surface of the horizontal plate. A linkage adjusting mechanism used for driving the two silencing plate limiting seats to move relatively is arranged below the horizontal plate. A linkage adjusting mechanism is arranged to be used in cooperation with a position adjusting mechanism, a disc and a hinge arm are used in cooperation so that a sliding plate can drive a silencing plate limiting base to move relatively through a connecting plate, and the silencing plate clamping and fixing device is suitab