Pulp molding production line and processing method thereof

A pulp molding product processing method for a pulp molding production line, the method comprising:

• molding, wherein a molding machine performs molding processing on pulp to make a wet pulp product;
• transferring, wherein (i) a transfer device installed on a pulp molding robot comprises:
• a wet pulp transfer mold provided with a sealed gas chamber therein, wherein a front portion of the wet pulp transfer mold is provided with at least one recessed matching chamber configured to fit over an exterior of the wet pulp product and the recessed matching chamber is recessed toward the sealed gas chamber, the recessed matching chamber including several interfacing apertures connecting the recessed matching chamber with the sealed gas chamber that are respectively formed on an inner wall of and a bottom of the recessed matching chamber, with the interfacing apertures formed on the inner wall of the recessed matching chamber evenly distributed to form at least one circle, and with the interfacing apertures formed on the bottom of the recessed matching chamber evenly distributed to form at least one circle;
• and
• a moving rack oriented parallel to the wet pulp transfer mold and disposed behind and connected to a back portion of the wet pulp transfer mold through a guide mechanism, with a driver connected between the back portion of the wet pulp transfer mold and the moving rack to drive the moving rack to move relative to the wet pulp transfer mold, and with several evenly spaced vacuum chucks provided on a side of the moving rack opposite from the wet pulp transfer mold to acquire the molded pulp product from the press, wherein the vacuum chucks and the sealed gas chamber are respectively connected to a vacuumizing system;
• and
• (ii) the pulp molding robot drives the wet pulp transfer mold to approach the wet pulp product, and the wet pulp product is sucked via vacuum through the several interfacing apertures of the recessed matching chamber and transferred away from the molding machine;
• and
• pressing, wherein (i) a press comprises:
• a lower mold and an upper mold, with the lower mold disposed underneath the upper mold;
• an auxiliary rack driven by a lifting drive mechanism to fit over the wet pulp transfer mold of the transfer device;
• and
• (ii) the auxiliary rack forces the wet pulp product sucked via vacuum by the wet pulp transfer mold to transfer to the lower mold, either the lower mold moves upward to approach the upper mold or the upper mold moves downward to approach the lower mold for clamping the wet pulp product, and then pressing the wet pulp product to obtain a pulp product, wherein before the lower mold moves upward to approach the upper mold or the upper mold moves downward to approach the lower mold for the clamping and without repositioning the transfer device outside of the press, the driver drives the moving rack to move vertically upward relative to the wet pulp transfer mold and forces the vacuum chucks to suck a previously pressed molded pulp product via vacuum, and then the transfer device withdraws from the press.

A pulp molding product processing method for a pulp molding production line, the method comprising:

• molding, wherein a molding machine performs molding processing on pulp to make a wet pulp product;
• transferring, wherein (i) a transfer device installed on a pulp molding robot comprises:
• a wet pulp transfer mold provided with a sealed gas chamber therein, wherein a front portion of the wet pulp transfer mold is provided with at least one recessed matching chamber configured to fit over an exterior of the wet pulp product and the recessed matching chamber is recessed toward the sealed gas chamber, the recessed matching chamber including several interfacing apertures connecting the recessed matching chamber with the sealed gas chamber that are respectively formed on an inner wall of and a bottom of the recessed matching chamber, with the interfacing apertures formed on the inner wall of the recessed matching chamber evenly distributed to form at least one circle, and with the interfacing apertures formed on the bottom of the recessed matching chamber evenly distributed to form at least one circle;
• a moving rack oriented parallel to the wet pulp transfer mold and connected to a back portion of the wet pulp transfer mold through a guide mechanism, with a driver connected between the back portion of the wet pulp transfer mold and the moving rack, wherein the driver drives the moving rack to move relative to the wet pulp transfer mold, and with several evenly spaced vacuum chucks provided on the moving rack on a side opposite from the wet pulp transfer mold to acquire the molded pulp product from the press, wherein the vacuum chucks and the sealed gas chamber are respectively connected to a vacuumizing system;
• and
• (ii) the pulp molding robot drives the wet pulp transfer mold to approach the wet pulp product, and the wet pulp product is sucked via vacuum through the several interfacing apertures of the recessed matching chamber and transferred away from the molding machine;
• and
• pressing, wherein (i) a press comprises:
• a lower mold and an upper mold, with the lower mold disposed underneath the upper mold;
• an auxiliary rack driven by a lifting drive mechanism to fit over the wet pulp transfer mold of the transfer device;
• and
• (ii) the auxiliary rack forces the wet pulp product sucked via vacuum by the wet pulp transfer mold to transfer to the upper mold, either the lower mold moves upward to approach the upper mold or the upper mold moves downward to approach the lower mold for clamping the wet pulp product, and then pressing the wet pulp product to obtain a pulp product, wherein before the lower mold moves upward to approach the upper mold or the upper mold moves downward to approach the lower mold for the clamping and without repositioning the transfer device outside of the press, the driver drives the moving rack to move vertically downward relative to the wet pulp transfer mold and forces the vacuum chucks to suck a previously pressed molded pulp product via vacuum, and then the transfer device withdraws from the press.