Preparation device and preparation method of copper paste metal aluminum oxide ceramic substrate

The invention discloses a preparation device and a preparation method of a copper paste metal aluminum oxide ceramic substrate, and belongs to the field of ceramic substrate production, the preparation device comprises a rack and a placing box arranged on the rack in a sliding mode, a clamping plate is arranged in the placing box in a sliding mode, and first driving parts used for driving the clamping plate to move towards the middle are installed on the two side faces of the placing box; two air cylinders used for adjusting the transverse position and the longitudinal position of the containing box are further installed on the machine frame. By arranging the scraping mechanism, during polishing, after chippings are adhered to the inner wall of the transparent protective cover, the chippings can be scraped to prevent the chippings from influencing the sight of workers, and by arranging the first pressurizing mechanism, when cooling liquid is sprayed, the cooling liquid is splashed to the inner wall of the tra