In modern industrial production, product packaging has evolved from the simple protection and aesthetic function, to enhance production efficiency, reduce costs and ensure product quality is an important link. The traditional manual packaging method has low efficiency, packaging errors, labor costs and other issues, has been unable to meet the production needs of modern enterprises. Automatic packaging machine as an important equipment for intelligent production, with automation, high efficiency, accuracy and other advantages, has been widely used in food, medicine, cosmetics, daily chemicals, electronics, hardware and other industries, become an important tool for enterprises to improve competitiveness.

　　First, the working principle and structure of automatic packaging machine

　　1. The automatic packaging machine realizes a series of packaging processes such as automatic feeding, measuring, bagging/boxing, sealing and coding through mechanical transmission, pneumatic and electric control technology. Its basic workflow includes:

　　Material conveying and metering: the raw materials enter the metering system through the feeding device or hopper, and are accurately weighed and distributed to the packaging position.

　　Packaging material conveying and molding: the packaging film or pre-fabricated bags are automatically unfolded and formed into packaging containers.

　　Material filling and sealing: the material is automatically filled into the packaging bag or box, and sealed by heat sealing, capping or laminating.

　　Coding and testing: the equipment automatically completes the code printing, batch numbering, label printing and rejecting unqualified products.

　　2. Automatic packaging machine usually consists of the following major parts:

　　Feeding system: responsible for the material transported to the packaging machine, common screw feeding machine, vibration feeding machine, vacuum feeding machine.

　　Measuring device: according to the product characteristics of different measurement methods, such as electronic weighing, volumetric measurement or screw measurement.

　　Packaging material conveying mechanism: automatically unfold the packaging material, and complete the molding and sealing.

　　Control system: PLC control and touch screen operation interface can be used to adjust the parameters and real-time monitoring of equipment status.

　　Detection device: including lack of material detection, leakage seal detection and rejection device, to ensure the qualified rate of packaging.

　　Second, the advantages of automatic packaging machine

　　1. Improve production efficiency and save labor cost

　　Automatic packaging machine can realize 24 hours continuous operation, the efficiency is much higher than manual packaging. Automatic operation reduces manual intervention, significantly reducing labor costs. Packaging speed, single machine can complete dozens to hundreds of packages per minute, significantly increase production capacity.

　　2. Precise packaging, stable quality

　　Adopting high-precision measuring and testing system to ensure that the weight of each bag/box is accurate and consistent. The sealing is beautiful and firm, preventing air leakage, seepage and pollution. Built-in detection device can automatically reject the leakage of sealing, loading or unqualified products.

　　3. Easy operation and intelligent control

　　Equipped with PLC control system and touch screen interface, operation is intuitive and convenient. Adjustable parameters, suitable for multi-specification packaging needs. Automatic alarm and fault prompt function, easy to maintain.

　　4. Saving packaging materials, environmental protection and energy saving

　　Adopt precise feeding and sealing technology, effectively reduce the waste of materials and packaging materials. Highly efficient sealing, prolonging product shelf life and preventing contamination. Meet the green environmental protection and hygiene standards.

　　With high efficiency, precision and intelligence, automatic packaging machine has become an important equipment for modern enterprises to realize automatic production. It can not only significantly improve production efficiency, but also ensure the consistency of packaging quality and aesthetics, to meet the packaging needs of various products. In the future, with the development of industry 4.0 and intelligent manufacturing, automatic packaging machine will move towards more high-speed, more intelligent and environmentally friendly energy-saving direction, help enterprises to achieve intelligent, large-scale and efficient production.