Ball cage capable of dissipating heat

The utility model provides a ball cage capable of dissipating heat, which comprises a main body mechanism, and the main body mechanism comprises a body, a mounting block arranged at the bottom of the body, a fixed cover arranged on the surface of the mounting block, a first heat dissipation assembly arranged at the bottom of the fixed cover, and a second heat dissipation assembly arranged on one side of the first heat dissipation assembly, the first heat dissipation assembly comprises a shell arranged at the bottom of the fixing cover, cooling liquid arranged in the shell, a heat conduction ring arranged on the inner wall of the cooling liquid, a hollow groove formed in the heat conduction ring, a copper plate arranged in the hollow groove and an open hole formed in the copper plate. When the ball cage is used for a long time, the copper plate absorbs heat generated when the ball cage works for a long time, the surface area is increased through the grooves in the surface of the copper plate, the heat absorpti