Three-dimensional linear cutting numerical control workbench

The invention discloses a three-dimensional linear cutting numerical control workbench, and relates to the technical field of linear cutting workbenches. The workbench comprises a bottom plate, a fixed fluted disc is arranged on the bottom plate, a rotating tray is arranged on the fixed fluted disc, a third motor is arranged on the right side of the rotating tray, the third motor is meshed with a planetary gear, the planetary gear is meshed with the fixed fluted disc, and the planetary gear is in transmission connection with the rotating tray. A left support and a right support are installed on the rotating tray, a lubricating sleeve and a sleeve are arranged, a first motor support is arranged on the outer side of the left support, a first motor is arranged on the first motor support, and a side cover plate connected with a first motor shaft is arranged on the inner side of the sleeve. A second motor support is arranged above the sleeve, a second motor is arranged on the second motor support, an upper cover p