Square bag and manufacturing device thereof

• Main Author: WEI JIATIAN
• Format: Patent
• Language: Chinese; English
• Published: 03.03.2020
• Subjects: ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNERANALOGOUS TO PAPER; MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN AMANNER ANALOGOUS TO PAPER; PACKAGES; PACKAGING ELEMENTS; PACKING; PERFORMING OPERATIONS; STORING; TRANSPORTING; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUSTO PAPER

The invention discloses a square bag and a manufacturing device thereof. The device comprises a machine base and a conveying mechanism, the conveying mechanism comprises a discharging frame and a feeding frame, first rotating shafts are arranged at the two ends of the inner wall of the discharging frame, one ends of the two first rotating shafts are rotatably connected with the two ends of a discharging roller respectively, a plurality of edge folding rollers are rotationally arranged at the two ends of the inner wall of the feeding frame, and a feeding channel is formed in the top end of themachine base. According to the square bag and the manufacturing device thereof, an inner folding bottom is arranged between the bottoms of the front and rear end face parts of the square bag, inner folding notches are formed in the left corner and the right corner of the inner folding bottom, scratches caused when people inadvertently touch the corners of the square bag are effectively prevented by removing the corners, t