Automatic crab peeling machine for crab processing

The invention discloses an automatic crab peeling machine for crab processing. The automatic crab peeling machine comprises a box body, and a shelling device, a crab spawn suction device, a cutting device and a crab meat suction device are sequentially arranged in the box body; the shelling device comprises a first crab fixing part and a crab shell overturning part; the crab spawn suction device comprises a second crab fixing part, an elastic limiting part, a first negative pressure fan and a crab spawn collection box; the cutting device comprises third crab fixing parts symmetrically arranged at the top of the inner wall of the box body and a cutting part arranged at the top of the inner wall of the box body; the crab meat suction device comprises fourth crab fixing parts arranged at the top of the inner wall of the box body in a staggered manner, a crab meat suction pipe penetrating through the top of the inner wall of the box body, movable adjusting parts arranged on the inner walls of the two sides of the