Medicine and their wide range of packaging forms have always been the focus of the pharmaceutical industry. Among many types of pill packaging, blister packaging undoubtedly occupies an important position, and the key equipment to achieve this packaging, the blister packaging machine, plays a pivotal role in the pharmaceutical and packaging industries.
Blister packaging, also known as blow molding packaging, is a form of packaging that uses a specific device to package products with a blister cavity made of plastic material. This form of packaging not only protects the product from damage, but also prevents the product from being contaminated.
Working principle of blister packaging machine
As a commonly used packaging equipment, its working principle is relatively complex but the process is clear and concise. Here are some descriptions of the basic working principle of the blister packing machine.
First, the packaging material is fed into the blister packaging machine, and through the heating system, we heat the plastic film to a sufficient temperature to soften the plastic film. Then, a specific mold is used to blow the heated plastic film to form a blister shell with a certain depth and shape. For particularly high depth requirements, a physical deepening device can also be added.
After the blister shell is made, the product is automatically filled into each air blister by an automatic feeding and conveying system or manual feeding. If an automatic system is used, a precise positioning system is required during the feeding process to ensure that the product is accurately filled into each blister.
After the product is filled, the machine will place another layer of plastic film or paper material on top and heat-seal it through a heat-sealing system to protect the product between the two layers of material. It should be noted that the temperature and time of heat sealing have a great impact on the quality of the packaging. The general PVC temperature is set to 160 degrees Celsius because too high a temperature or too long a time may damage the packaging material, while too low or too short a time may cause the heat seal to be unstable.
Finally, each packaged product is cut out by the punching station to form an independent blister packaging product. This step also requires a precise positioning system to ensure the accuracy and neatness of the cutting. If there is a misalignment, the originally packaged material will be cut directly, and the entire outer packaging and product will be scrapped.
The operation process of the blister packaging machine needs to comprehensively consider multiple factors such as material properties, mold design, mechanical equipment and automatic control. Its working effect directly affects the quality, appearance and production efficiency of the packaged products. Therefore, it is very important to be familiar with and master the working principle and operating skills of the blister packaging machine to improve production efficiency and product quality.
Blister packaging machines can be mainly divided into the following categories according to how they are used:
suitable for start-up businesses or small-scale production, simple operation, low cost, heat sealing and cutting require a lot of effort, so it is not only time-consuming and labor-intensive, but also inefficient.
suitable for small and medium-sized enterprises, some operations need to be performed manually, such as manually placing materials into blisters, etc., the cost is moderate, and the work efficiency and quality are higher than manual blister packaging machines.
suitable for large-scale production, all operation steps can be completed automatically, high production efficiency, low labor cost, and maximum guarantee of stable and consistent packaging quality.
PVC has high transparency and can clearly show the status of the product in the package; its physical properties are stable and can effectively prevent the impact of the external environment on the product; in addition, PVC has good processing performance and strong adaptability, so it has become one of the most commonly used packaging materials in blister packaging machines.
Compared with PVC, PET is more environmentally friendly because it can be recycled and reused; at the same time, PET has higher transparency and stronger hardness, which can provide better protection for the product. However, the processing temperature of PET is higher, and the requirements for equipment are relatively high.
PP is often used in product packaging that needs to withstand high temperature environments. This material has excellent heat resistance and can withstand high temperatures in environments such as microwave ovens. Although PP has low transparency, its good heat resistance and air barrier properties make it an ideal packaging material in certain specific scenarios.
PS is a plastic material with high hardness, good transparency and easy molding. It is often used to produce hard and complex packaging products. However, its heat resistance and impact resistance are relatively weak, so it is generally used to package products that do not need to withstand high temperatures and impacts.
As a key equipment for manufacturing blister packaging, the importance of blister packaging machine is mainly reflected in the following aspects:
Yes, blister packaging is now generally considered safe by the world. It has the following advantages to ensure the safety of the packaged products.
On the other hand, some types of plastics used in blister packs may not be suitable for all types of products, such as products that are sensitive to certain plastic residues. Overall, blister packs are considered a safe way to package a variety of products.
Blister machines are widely used in many different industries and fields to package a variety of different products. Here are some common types of products that are packaged using blister machines.
In the pharmaceutical industry, blister machines are mainly used to package medicines, including pills, capsules, pills, etc. Through blister packaging, not only can the medicines be protected from external contamination, the freshness and effectiveness of the medicines can be maintained, but also it is convenient for consumers to take them according to the exact dosage.
In the food industry, blister machines are often used to package various candies, chocolates, biscuits, frozen foods, etc. Through transparent blister packaging, consumers can clearly see what the food looks like, and the packaging process can not only effectively protect the food from damage, but also maintain the freshness of the food.
In the electronics industry, blister machines are often used to package various small and expensive or fragile electronic products, such as USB flash drives, memory cards, SIM cards, etc. Transparent blister packaging can not only protect electronic products from damage, but also make it convenient for consumers to see the product clearly when purchasing.
In the daily necessities industry, blister machines are also widely used, such as for packaging toothbrushes, razors, knives, toys and other products. Blister packaging can not only protect products from damage, but also allow consumers to see the actual appearance of the product when purchasing.
Blister packaging machines are an indispensable part of many industries. Understanding their working principles and applications can help companies make smarter choices. Whether you are an entrepreneur or an existing company, blow molding packaging machines will add strength to your production process. We are a manufacturer that has long supplied pharmaceutical and packaging machinery to Fortune 500 companies. If you happen to have the need to purchase a blister packaging machine, please contact us.
Email : manager@richpacking.cn
Building D, No. 226, Beishan Qiaotou Street, Haizhu District, Guangzhou City, Guangdong Province, China
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