Packaging machinery can be divided into two categories:
1. A machine used to process packaging materials and packaging containers;
2. A machine used to complete the packaging process. The discussion here is limited to the latter, namely, a machine that completes the packaging process is called a packaging machine. The definition of a packaging machine in the national standard is: "A machine that completes all or part of the packaging process. The packaging process includes primary packaging operations such as filling, wrapping, and sealing, as well as related front- and back-end operations such as cleaning, sorting, and unloading. In addition, it also includes auxiliary equipment such as embossing and metering."
Based on this, packaging machines can be divided into eight categories: 1. Wrapping machines, 2. Filling machines, 3. Sealing machines, 4. Labeling machines, 5. Multi-function packaging machines, 6. Cleaning, drying, and sterilization machines, 7. Container machines, 8. Additional mechanical packaging equipment.
Wrapping machine
A machine that wraps products with flexible packaging materials is called a wrapping machine. According to different wrapping methods, it can be divided into: ① folding wrapping machines, ② twist wrapping machines, ② sewing wrapping machines, ① cover wrapping machines, ⑥ rolling wrapping machines, ⑧ stretch wrapping machines, ⑦ body wrapping machines, ⑧ shrink wrapping machines, etc. Packaging machine diagrams, etc.
Filling machine
A machine that quantitatively fills packaging material into containers is called a filler. Based on quantitative and filling methods, it can be divided into: 1. Volumetric fillers, 2. Weight fillers, 3. Counting fillers, 4. Filling machines, 5. Gravity fillers, 6. Push-in fillers, 7. Pick-and-place fillers, etc.
The figure shows the metering and filler-loading method.
Sealing machine
A machine that seals the opening of a packaging container is called a sealing machine. According to different sealing methods, it can be divided into: 1. Heat press sealing machine, 2. Welding sealing machine, 3. Embossing sealing machine, 4. Fold sealing machine, 5. Insertion sealing machine, 6. Rolling sealing machine, 7. Welding sealing machine, 8. Crimping sealing machine, 0. Insertion sealing machine, 9. Press sealing machine, 11. Tape sealing machine, 12. Sewing sealing machine, etc.; the numbers are schematic diagrams of the sealing methods of the sealing machines.
Labeling machine
A machine that attaches or inserts labels onto products is called a labeling machine. Based on the different methods of applying labels, it can be divided into: 1. Labeling machine, 2. Shrink labeling machine, 3. Hanging labeling machine, 4. Stapling labeling machine, 5. Insert labeling machine, and so on. The figures are schematic diagrams of the fixed labeling methods of the labeling machine;
Other packaging machinery
Other refers to packaging machines other than the first four types:
Multi-functional packaging machine
A machine that can perform more than two packaging processes is called a multi-function packaging machine. Generally, they are named after the packaging processes they can perform. The main ones are: 1. Filling and sealing machines, 2. Sealing-filling-forming machines (for forming packaging material), 3. Sealing-filling-filling-forming machines (for forming ready-made packaging containers), 4. Vacuum packaging machines (filling-vacuuming-sealing); 5. Pneumatic packaging machine (filling-inflating-sealing), 6. Packaging and labeling machine, etc.
Washing, sterilizing, and drying machine
Machines that clean, sterilize, and dry packaging containers before packaging, or products after packaging, are called cleaning machines, sterilizing machines, and drying machines. For example, bottle washing machines, can washing machines, spray sterilizing machines, steam sterilizing machines, ultraviolet sterilizing machines, hot air dryers, infrared dryers, etc. Those commonly used in light industries fall into this category of machines. If a machine has multiple functions, it can be named by combining its functions, such as washer-dryer, sterilizer-dryer, washer-sterilizer-dryer.
Container
A machine that wraps multiple unit packages together is called a container. It can be named according to its containerization method, such as: 1. strapping machine, 2. tie machine, 3. compression baler, 4. wrapping machine, etc.
Packaging machinery and additional equipment
Any machines and equipment that cannot be included in the seven items above but are necessary to complete the packaging process may be called additional packaging machines and equipment. For example, conveyor devices, sorting tables, metering machines; box openers, glue applicators, printers, inspection machines, etc.
In addition to classifying packaging machines primarily based on their packaging functions as described above, they can sometimes be further classified according to the level of automation or the scope of use.
For example, a machine that uses manual feeding of packaging materials or removal of packaged products but can automatically complete other packaging operations can be called a semi-automatic packaging machine; a machine that automatically performs feeding, packaging, and output of finished products is called an automatic packaging machine.
A packaging machine that can only package products in specific shapes, specifications, and sizes is called a special-purpose packaging machine; a packaging machine that can package products in two or more different shapes, specifications, and sizes is called a multipurpose packaging machine; a packaging machine that can package products of any shape, specification, and size within a certain range is called a general-purpose packaging machine.
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