US 12,122,550 B2
Bag breaking device for garbage bag
Changhong Liu, Guangdong (CN); Xingxin Yang, Guangdong (CN); Henghao Li, Guangdong (CN); Shaohu Peng, Guangdong (CN); Dong Tang, Guangdong (CN); Lingxi Peng, Guangdong (CN); Jiachun Wu, Guangdong (CN); Tuxian Ye, Guangdong (CN); and Ziliang Li, Guangdong (CN)
Assigned to GUANGZHOU UNIVERSITY, Guangzhou (CN)
Filed by Guangzhou University, Guangdong (CN)
Filed on Dec. 31, 2021, as Appl. No. 17/566,725.
Application 17/566,725 is a continuation of application No. PCT/CN2020/120512, filed on Oct. 13, 2020.
Claims priority of application No. 201910991941.9 (CN), filed on Oct. 18, 2019.
Prior Publication US 2022/0119146 A1, Apr. 21, 2022
Int. Cl. B65B 69/00 (2006.01)
CPC B65B 69/0033 (2013.01) 9 Claims
OG exemplary drawing
 
1. A bag breaking device for garbage bags, characterized in that, it comprises: a horizontal moving mechanism, a vertical moving mechanism mounted on the horizontal moving mechanism, and a bag breaking mechanism mounted on the vertical moving mechanism; the bag breaking mechanism includes a first motor mounted on the vertical moving mechanism, a first housing fixedly connected to an output end of the first motor, a second housing fixed on the first housing, a second motor fixed in the first housing, a first screw rod fixedly connected to an output end of the second motor, a screw block scraper rotatably mounted on the first screw rod, and a cylindrical knife fixed on the second housing; the screw block scraper includes an internal thread block and a blade; one end of the cylindrical knife is provided with a cutter head, and the other end of the cylindrical knife is fixed on the second housing; the cylindrical knife is provided with a central through hole and a side groove, wherein the central through hole penetrates the cylindrical knife along an axis of the cylindrical knife, and the side groove penetrates a circumferential side of the cylindrical knife along the diameter of the cylindrical knife; the first screw rod is located in the central through hole of the cylindrical knife, internal threads of the internal thread block are matched with external threads of the first screw rod, and the blade passes through the side groove and is fixedly connected with the internal thread block.