Square Bottom Double-Layer Paper Bag Machine is used for automatic production of paper bags from double rolls of aluminum-coated paper, white and brown kraft paper, food-grade papers, unbleached paper, parchment paper, sulfite paper, greaseproof paper, and their printed versions. The machine completes automatic central gluing, print registration, folding, fixed-length cutting, bottom gusseting, bottom folding, bottom gluing, bag bottom forming, and bag collection in a single continuous operation. It uses a motion controller and servo motor programming, ensuring easy operation, efficient production, and stable performance. Square bottom paper bags produced by this machine are ideal for packaging products such as tea bags, fried chicken packaging, and food bags.
Square Bottom Double-Layer Paper Bag Machine produces durable and high-quality paper bags using two layers of paper, widely used in food packaging, retail carrying, and promotional packaging. The “square bottom” design ensures a neat and sturdy closure at the bottom of the bag. This machine is particularly suitable for customers aiming to produce large volumes of bags and paper sacks.
Features and Working Principle of the Square Bottom Double-Layer Paper Bag Machine
Double-Layer Paper Usage
Durability: Paper bags produced with double-layer paper become stronger and more durable, offering great advantages especially for packaging food products or heavy items.
Paper Feeding System: Two layers of paper are fed into the machine and processed simultaneously. The double-layer paper combines into a homogeneous structure within the machine.
Rectangular Cutting and Folding: The paper is first accurately cut and folded. The bottom of the bag is formed into a neat and sturdy square base. The bottom is sealed using hot melt adhesive.
High-Speed Cutting: The machine can cut at high speeds, enabling large-scale production. Each bag is cut to the precise size and separated individually.
Cutting Size and Adjustments: Manufacturers can adjust the machine to produce bags in various sizes, enhancing production flexibility.
Speed and Production Control: The machine features an automatic PLC control system that manages production speed and print quality. Operators can easily monitor and adjust settings when needed, ensuring user-friendly operation.
Applications of Square Bottom Double-Layer Paper Bags
Food Packaging: Used for carrying bread, flour, coffee, sugar, bakery products, and similar food items.
Shopping and Carrying Bags: Durable carrier bags for retail and transportation purposes.
Advertising: Bags printed with brand logos and promotional information can be used for marketing purposes.
Cosmetics and Textile Products: Suitable for packaging in cosmetics and textile industries as well.
