Automatic vacuum bagging method in composite material plate forming process

The invention discloses an automatic vacuum bagging method in a composite material plate forming process. The automatic vacuum bagging method comprises the following steps that a laid prefabricated product and a special mold are placed on the upstream of a conveying belt; the conveyor belt sequentially conveys the prefabricated product to a first pickup machine, a third pickup machine and a fourth pickup machine, and a demolding material, an isolation material and a felt material are laid below the first pickup machine, the third pickup machine and the fourth pickup machine; the prefabricated product is conveyed to a fifth pickup machine, and the fifth pickup machine presses a sealing tape on the specially-made mold on the periphery of the prefabricated product; the prefabricated product is conveyed to a sixth picking machine, and the sixth picking machine presses down the whole vacuum bag; and finally, after the packaged prefabricated product is conveyed out of the conveying belt, a vacuum gas path of a vacu