Efficient vacuum equipment for vertical plate machine

The efficient vacuum equipment comprises a shell, a groove is formed in the shell, a rubber ring is connected to the inner wall of the groove in a sliding mode, a movable block is arranged on the inner wall of the rubber ring, a through groove is formed in the shell, a threaded groove is formed in the position, located on the lower side of the through groove, of the inner wall of the shell, and the movable block is arranged on the inner wall of the threaded groove. A fixing block is arranged on the lower side of the shell, a first fixing column is fixedly connected to the lower surface of the fixing block, a fixing sleeve is rotatably connected to the outer wall of the first fixing column, and a threaded column is fixedly connected to the lower surface of the fixing sleeve. According to the fixing device, the fixing block can be placed at the through groove, then the handle is rotated to enable the threaded column to rotate, the threaded column can be rotated into the threaded groove, the fixing sleeve and th