Application of the hottest cluster packaging in la

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Editor's note: This article mainly introduces the advantages of cluster packaging in moisture-proof, environmental protection and reducing packaging costs, and comprehensively introduces the use of cluster packaging in large infusion bottles and other products in the form of cases

manager Chai Wei of Beijing chaosiwei Packaging Machinery Co., Ltd. once introduced the advantages of cluster packaging in moisture-proof, environmental protection and reducing packaging costs, and comprehensively introduced the use of cluster packaging in large infusion bottles and other products in the form of cases. The main contents are summarized as follows, hoping to help those users who are interested in cluster packaging technology reach the international advanced level

with the increasingly fierce market competition, pharmaceutical enterprises have higher and higher requirements for product cost reduction. Under this requirement, the external packaging form of infusion bottles has also changed, changing the previous packaging form that each infusion bottle is placed in a carton and corrugated paper is placed between each infusion bottle, and using the new packaging form of heat shrinkage. Heat shrinkable packaging is generally 1 × 5 is a unit package to fasten multiple bottles into a whole

1. Advantages of heat shrinkable packaging

(1) cost saving. Because the cost of plastic material is at least 50% lower than that of paper, take 500ml type a bottle as an example, use 80um thick PE film, 1 × 5. The cost of cluster packaging of infusion bottles is only about 0.25 yuan

(2) improve efficiency. Because of the cluster packaging, the efficiency can be greatly improved when handling and packing. In addition, enterprises can also install automatic packing equipment behind the heat shrinkable packaging equipment, so as to achieve full automation of the production line and improve production efficiency

(3) reduce labor intensity. Because of the use of cluster packaging, the labor intensity of workers has been greatly reduced

(4) reduce damage during transportation. Not only the damage of plastic bottles is reduced, but also the damage rate of cluster packaging is quite low

(5) dustproof, waterproof, beautiful and in line with the trend

2. Working process

infusion bottle shrinking unit is generally composed of automatic sealing and cutting unit and shrinking furnace. The automatic sealing and cutting unit is composed of chain plate conveying mechanism, pushing mechanism, sealing and cutting knife 5, nano calcium carbonate mechanism, pressing mechanism, film release setting mechanism and automatic film feeding mechanism

the working process is as follows: the heat shrinkable packaging machine is connected with the front-end automatic labeling machine assembly line. After the labeled infusion bottle enters the pushing position through the chain plate conveying mechanism, a photoelectric switch counts and outputs a signal to the PLC. The PLC sends a command to make the pushing cylinder act and push the packed object to the position to be sealed and cut. While pushing the packed object, the automatic film placing mechanism will release an appropriate amount of film to wrap it according to the size of the packed object, Then the pushing cylinder withdraws. After receiving the signal from the pushing cylinder, the PLC sends out the sealing and cutting signal to make the sealing and cutting cylinder act and open the PE film wrapped in the package through thermal fusing. The pressing cylinder presses the package during sealing and cutting to avoid the bottle being pulled down. After the above actions are completed, a sleeve type film is formed on the outside of the package, so that an automatic sealing and cutting cycle is completed. After that, the sealed and cut packages are put into the shrinkage furnace for shrinkage. After shrinkage, the tightly wrapped packages can be packed

cleaning machine: high density polyethylene, general polystyrene 3. Key technologies and advantages

(1) sealing and cutting technology: the core technology of the equipment is sealing and cutting technology, that is, whether the sealing and cutting is firm and whether the materials are saved. The company adopts a thermostatic sealing and cutting knife with special structure, which makes the sealing and cutting fusing fast and firm. Both sides of the weld extend 0.5 ~ 1mm, so that the knife edge forms an electrode instead of just a weld, so the knife edge is solid and not easy to be damaged, overcoming the problem that the sealing and cutting knife edge is easy to be damaged in the past. Compared with the cold sealing and cutting technology, the cost of each package can be saved by about 5% after using this sealing and cutting technology

(2) double push technology: the labeling speed at the front end is generally fast, up to about 200 bottles/minute. If 6 bottles are packed in a bundle, the production speed is 33.3 packets/minute. Obviously, the single sealing and cutting speed of 10 ~ 17 packets/minute can not meet the needs of production speed, but the double push technology can well meet the needs of production speed. The double push technology uses two sets of pushing devices and two sets of sealing and cutting devices to work together, which effectively speeds up the sealing and cutting speed and meets the speed requirements of the whole production line

(3) applicable materials: because the infusion bottle developed rich energy-saving schemes from various angles is heavy, PE film can only be used for shrinkage

information source: Chinese Packaging Papers

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