Automatic Sheet-Fed Paper Bag Tube Forming Machine

Paper Size

Bag Size

Machine Floor Plan

Machine Description

This automatic double-joint card gluing machine is a highly efficient and automated paper bag tube gluing machine designed specifically to meet the production needs of double-joint paper bags. This machine demonstrates strong market adaptability with its wide range of applications, including luxury goods, apparel, gifts, and shopping paper bags.
By utilizing double-joint forming technology, high-speed, high-precision production processes, and an intelligent control system, it reduces costs, improves efficiency, and optimizes quality. Its modular design allows for flexible adaptation to diverse production needs. Its environmentally friendly features align with current trends in green production, making it a leading upgrade option for traditional paper bag production equipment.

Machine Features

1.  Forming Technology: Utilizing proprietary forming technology, this equipment ensures precise paper bag dimensions and excellent shaping.
2.  Efficient Automation: This equipment enables fully automated paper bag gluing, completing the entire production process from raw material preparation to gluing, including automatic header card application, tube forming, accordion folding, and bottom pulling.
3.  Intelligent Control: The main control circuit utilizes an imported single-chip microcomputer, a human-machine interface, and variable frequency control. Parameter setting is quick and easy, and operation is centralized and intuitive, achieving fully user-friendly, fully automatic operation. Digital fault self-diagnosis provides clear fault diagnosis at a glance, facilitating quick and easy maintenance and adjustments.
4.  Reduced Labor Costs: With a high degree of automation, the entire production process can be completed by only one person, eliminating 3-5 labor costs and intermediate handling steps. Easy to learn, it saves labor costs and offers a more user-friendly experience. 
5.  Durability and Easy Maintenance: The dual-frequency design features a simple mechanical structure, minimal wear, easy maintenance, and a long service life.
6.  Key Components: The entire machine utilizes renowned brand components such as the German Rexroth dual-servo control system, Siemens PLC, and frequency converter, ensuring stable performance, high efficiency, and durability.
7.  Environmentally Friendly Materials: The bonding process primarily utilizes environmentally friendly water-based and hot-melt adhesives, meeting food packaging safety standards. The machine structure is easy to clean and maintain, reducing waste generation.
8.  Material Compatibility: Supports a variety of paper materials (120-350g/m²), including kraft paper, white cardboard, and coated paper.

1)Sheets Loading 
2)Auto Feeding
3)Assistant Creasing 
4)Glue Printing & Spraying
5)Top Card-Pasting
6)Top Folding
7)Tube Side Gluing Hotmelt / Water Based
8)Top Inserting
9)Tube Forming
10)Gusset Folding 
11)Gusset Forming
12)Paper Bag Auto Collecting