US 12,221,314 B2
Cardboard conveyor device, cardboard conveying method and plate body structure
Chih-Wang Chen, Taoyuan (TW)
Assigned to SUNRISE PACIFIC CO., LTD, Taoyuan (TW)
Filed by SUNRISE PACIFIC CO., LTD., Taoyuan (TW)
Filed on Oct. 19, 2022, as Appl. No. 17/969,273.
Claims priority of application No. 111130986 (TW), filed on Aug. 17, 2022.
Prior Publication US 2024/0059515 A1, Feb. 22, 2024
Int. Cl. B65H 5/22 (2006.01)
CPC B65H 5/224 (2013.01) [B65H 2406/322 (2013.01); B65H 2406/36 (2013.01); B65H 2406/362 (2013.01); B65H 2406/41 (2013.01); B65H 2701/176 (2013.01); B65H 2801/21 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A cardboard conveyor device, comprising:
at least one aspirator;
a conveyor belt, wherein a surface of the conveyor belt is configured to have holes;
at least a plate body structure, wherein the plate body structure has wind shield structures, the holes of the conveyor belt facing to a conveying side are located on the wind shield structures;
conveying rollers, wherein the conveyor belt is sleeved on the conveying rollers, a driving roller of the conveying rollers is configured to drive the conveyor belt to rotate to convey at least a cardboard on the conveyor belt facing to the conveying side;
at least a cavity, wherein an interior of the cavity is communicative to the aspirator, the aspirator is configured to evacuate to form a main negative pressure region in the interior of the cavity;
at least a frame body, wherein the frame body is configured to assemble with the aspirator, the plate body structure, the conveying rollers and the cavity, so as to fix the aspirator, the plate body structure, the conveying rollers and the cavity; and
at least a plate body controller, configured to control at least a portion of the wind shield structures to displace, so as to make the portion of the plate body structures do not form the sub negative pressure regions,
wherein the plate body structure forms sub negative pressure regions, and the sub negative pressure regions are communicative to the main negative pressure region and provide a negative pressure to the cardboard on the conveyor belt facing to the conveying side.