Multi-layer sandwich biscuit preparation device

The utility model belongs to the technical field of biscuit production, and particularly relates to a multi-layer sandwich biscuit preparation device which comprises a workbench, a base plate arranged on the workbench, material leaking holes formed in the base plate, a protective cover arranged on the workbench, a biscuit sandwich mechanism arranged in the protective cover, a first servo motor mounted on the protective cover, and a second servo motor mounted on the protective cover. A rotating shaft of the first servo motor is connected with a rotating column, the rotating column is provided with fan-shaped teeth and a bearing plate, the bearing plate is provided with a through groove, the workbench is provided with a sandwich material box, the sandwich material box is provided with a first screw, the first screw is fixedly provided with a gear and connected with an extrusion plate, and the sandwich material box is provided with a material injection hole. The sandwich material box is provided with an extrusio