Access control machine device

The utility model provides an access control machine device which comprises an access control machine front shell, a circuit board fixing plate is installed in the access control machine front shell, a circuit board is arranged on the circuit board fixing plate, and the access control machine front shell is buckled with an access control machine rear cover plate. A plurality of fixing columns are symmetrically arranged on the two sides, in the length direction, of the access control machine front shell, a plurality of arc-shaped grooves are symmetrically formed in the two sides, in the length direction, of the circuit board fixing plate, the arc-shaped grooves are connected with the fixing columns in a clamped mode, and abutting grooves are symmetrically formed in the center positions, in the length direction, of the two sides of the circuit board fixing plate. A circle of skirt edge is arranged on the periphery of an opening of the access control machine rear cover plate, abutting blocks are symmetrically ar