Food blister packaging machine

Types of food blister packaging machines

Food blister packaging machines are used to package various types of food items within a plastic blister. There are several ways to classify the blister packaging machines according to the floor area, the method of feeding, the operator type, the sequence of operation, etc.

• Bench-top vs. floor model: Food blister packaging machines that are small and convenient enough to fit on a workbench are known as bench-top machines. In contrast, floor machines are bigger and more powerful, with enough to floor space to accommodate them.
• Manual vs. automatic vs. semiautomatic: Manual food blister packaging machines require workers to operate them entirely by hand. Automatic machines do not need human intervention for operation, while semiautomatic machines only require a minimal manual setup to start working. In some cases, the operated has to push a button to initiate the packaging process.
• Inline vs. intermittent: Inline food blister packaging machines continuously produce packages that are in a straight line. On the other hand, an intermittent food blister packaging machine will have separate cycles during which it runs.
• Vacuum vs. non-vacuum: A vacuum blister packaging machine will extract the air out of the package to create a smaller, tighter package and increase shelf life. Non-vacuum machines use regular atmospheric pressure, which may not provide the same level of compaction and preservation.

Food items that can be packaged with the help of a blister packaging are items with various shapes and sizes within the food industry. These include pharmaceuticals and nutraceuticals; all sorts of edible supplements, confectioneries like candy, chocolate blister packs, packaging machinery for food products such as fruit snacks and jerky, frozen food like frozen vegetables in blister packs, dairy products like yogurt and cheese, etc.; ready-to-eat meals, perishables like fruits and vegetables, meat and poultry products, seafood, etc.; and edible, non-perishable, packaged products like grains, cereal, chickpeas, legumes, and flour, etc.

Specifications and maintenance requirements of food blister packaging machines

The specifications of blister pack machines vary with the type and model. Most specifications are as follows:

• Production capacity: It shows the amount of packaging produced per unit time. The typically used units are blister packs/min, packs/hr, etc.
• Power: It represents the machine's required power, typically expressed in kilowatts (kW). The power of blister pack machines usually ranges from 2 to 10 kW.
• Packaging materials: Different blister packaging machines are suitable for different packaging materials. For example, PVC/PE, PP, etc., may be more suitable for certain models to ensure better packaging effects and production efficiency.
• Machine size: It is the physical size of the device, which usually consists of length, width, and height. For instance, some machines size is 2.8*1.9*1.6m.
• Applicable industries: some food blister packaging machines are designed for specific industries. For instance, medical-grade blister packaging machines ensure that packaging complies with certain medical standards are suitable only for medical industries.
• Automation: Some more advanced blister pack machines may be fully automated, combining features such as artificial intelligence, robotics, and more.

Food blister packaging machines require routine maintenance to ensure stable operation and a consistent packaging quality. Here are some maintenance suggestions:

• Daily cleaning: Clean the machine thoroughly every day after use to remove any food residues or contaminants. Use suitable cleaning agents and tools to avoid damaging the machine. In addition, the packaging materials' scraps should be removed to prevent clogging and affecting the machine's operation.
• Regular lubrication: Regularly lubricate the moving parts of the machine, such as bearings, gears, etc., to ensure their smooth operation. Choose the right lubricating oil.
• Quarterly maintenances: Parts require regular maintenance and replacement of components, like food-grade blister packaging machine sealing dies. Check the wear and damage of the sealing dies; if they are severely worn or damaged, they need to be replaced immediately to ensure packaging quality and sealing strength.
• Monthly cleaning: For some critical components like vacuum pumps, their storage boxes should be cleaned out at least once a month to remove dust and debris, ensuring good ventilation and heat dissipation.
• Safe operation: Blister packaging machines are complicated, and improper operation can lead to accidents. Therefore, following the machine operating manual during servicing and ensuring the equipment's safety can prevent accidental injuries.

Scenarios of food blister packaging machines

Food blister packaging machines are prevalent because they package food items. They are used in various industries where food items have to be packaged, displayed for sale, and, most importantly, kept fresh for as long as possible, and in some instances, longer than usual, all without sacrificing convenience.

Machines that do blister packaging are commonplace in the following industries where they are used because the food item needs to be protected, preserved, and, at the same time, be conveniently packaged:

• The international healthcare/medical industry, wherein food items with medicinal benefits have to be packaged to preserve them and make them convenient for use.
• The pharmaceutical industry, wherein food supplements in the form of capsules and tablets need to be blister-packed for cleanliness, convenience, and protection from contamination.
• The fast food industry, which includes airline catering services where separate servings of condiments, pills, tablets, and other health supplements have to be packaged for individuals to use, preventing cross-contamination.
• The retail industry, which includes supermarkets, convenience stores, and pharmacy chains, where small portions of snacks, vitamins, and medicines are blister-packed to display the product and provide a shelf life for the items.
• The international food export industry, wherein valuable food items such as spices, teas, and snacks need to be displayed and preserved for a longer shelf life even when opened.

How to choose food blister packaging machines

Consider the following aspects before investing in a food blister packaging machine:

• Packaging needs assessment

  First, determine business requirements. Consider business parameters like product shapes and sizes, quantities, and unique features such as tamper-proof or visibility requirements. Assess the desired packaging materials, including the needs of barrier Blister Packaging for food, stability, and shelf life. Also, evaluate the preferred packaging style and efficiency corresponding to the business model and customer demand.

• Packaging machine types

  Choose versatile blister packaging machines for food to adapt to different products and packaging requirements. Consider a food blister packaging machine with multiple molds to accommodate various product shapes and sizes. An adjustable packaging speed can also meet other production efficiency requirements. Additionally, opt for a machine with adjustable packaging materials and sizes to fit different food items.

• Automation and efficiency

  Choose semi-automated or automated machines according to the business model and production demands. Consider machine efficiency, including production speed, continuous operation, and ease of maintenance.

• Machine compatibility

  Ensure the food blister packaging machine's compatibility with existing production lines. Consider factors such as space constraints, connection requirements, and employee skill sets. Conduct a thorough assessment before the purchase to ensure smooth installation and operation.

• Budget constraints

  Several types of machines are available at different price points. Consider initial investments and long-term operating costs, including energy consumption, maintenance fees, and replacement parts.

FAQ

Q1: What is the difference between automatic and semi-automatic food blister packaging machines?

A1: An automatic blister packaging machine does all the steps of blister packaging automatically. In contrast, a semi-automatic machine completes some steps and requires the food item to be manually inserted into the blister before covering it with the lid.

Q2: What is the future of food blister packaging?

A2: Food blister packaging is expected to grow because more people want packages that keep food fresh. Improved technology in blister packaging machines will also make it easier to package different types of food items.

Q3: What machine parts should one know when ordering food blister packaging machines?

A3: Some basic parts include the feeding system, heating element, die, sealing device, cutting system, and control panel. Knowing these parts will help one get a machine that works well and is the right size for their business.

Q4: Does a food blister packaging machine affect shelf life?

A4: Yes, using the right packaging can improve the shelf life of food items. This is because food blister packaging machines produce packaging that offers barriers against moisture, oxygen, and light, all of which can reduce the shelf life of food products.