Front and back water cooling device for rolling mill of high-speed wire and large coil composite production line

The utility model discloses a high-speed wire and large coil composite production line rolling mill front and back water cooling device which comprises a water tank, two supporting plates are vertically installed at the top, adjusting assemblies are arranged at the positions, close to the top, of the supporting plates, cooling assemblies are arranged at the positions, close to the bottom, of the bottoms of the supporting plates, and driving assemblies are further arranged on the outer walls of the supporting plates. According to the front and back water cooling device for the high-speed wire and large coil composite production line rolling mill, a threaded rotating handle rotates in a mounting block in a threaded mode, a third connecting body is pushed to move up and down while the threaded rotating handle rotates in the threaded mode, and meanwhile track limiting is conducted on the third connecting body according to a C-shaped sliding groove when the third connecting body moves up and down; and therefore, t