Three-dimensional culture device for laver seedlings

The utility model discloses a three-dimensional culture device for laver seedlings, which relates to the technical field of laver seedling culture, and comprises a culture box, the right side wall of the culture box is fixedly connected with a fixed plate I, the fixed plate I is fixedly provided with a reciprocating motor, the fixed plate I is rotatably connected with a reciprocating screw rod, and the reciprocating screw rod is rotatably connected with the fixed plate I; the output end of the reciprocating motor is fixedly connected with the reciprocating lead screw, the left side wall of the incubator is fixedly connected with a second fixing plate, and the second fixing plate is fixedly connected with a sliding rod. Through mutual cooperation of a reciprocating screw rod, a reciprocating motor, a reciprocating frame, a circulating pump, a water spraying tank and a spray head, a nutrient solution can be sprayed to a matrix in a reciprocating manner, the nutrient solution is ensured to be sufficient, and tro