Plasma cutting machine for ship manufacturing

The invention discloses a plasma cutting machine for ship manufacturing. The plasma cutting machine for ship manufacturing structurally comprises a cutting main machine, a box door and supporting feet; the box door is arranged on the outer surface of the lower end of the cutting main machine; the four supporting feet are arranged, and the upper ends of the supporting feet are fixedly installed atthe four corners of the cutting main machine; an operator manually operates a hand rocking rod to make a worm to rotate, so that a gear can rotate; due to transmission of a belt, a rotating gear is made to rotate, and a toothed plate is driven to move up and down; a cutting moving mechanism is adjusted, in this way, a cutter and a cutting head are made to move up and down; by opening a cylinder, asliding rod is made to run, a movable slider to driven to move leftwards and rightwards, and the cutting head is driven to move leftwards and rightwards to perform cutting; by adjusting the cutting head, the cutting precision