The key to the choice of pellet packaging machine is the output and quality.
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Vacuum packaging machine: vacuum packaging machine is a cavity structure, which consists of a vacuum chamber that can be sealed by the upper and lower chambers. The food packaging bag mouth is placed between the upper and lower sealing devices, and the vacuum chamber is first vacuumed; The bag is simultaneously vacuumed and then sealed under vacuum to ensure a high vacuum in the bag. Commonly used models are single-chamber, double-chamber, conveyor belt, etc., food packaging bags are horizontally placed, and liquids are easy to overflow when packaging liquid items or liquids, which is not suitable.
Vacuum Inflatable Packaging Machine: The chamber vacuum packaging machine adds a set of inflatable device to form a vacuum inflatable packaging machine. The food packaging bag is placed on the inflation nozzle and placed between the upper and lower heat sealing devices, and the vacuum chamber is first evacuated; The bag is simultaneously vacuumed, and then the gas is filled into the vacuum chamber; the bag is simultaneously inflated and then sealed to form a vacuum inflatable package. However, when the mouth of the packaging bag is opened when inflated, the pressure inside the packaging bag is substantially equal to that in the vacuum chamber, and it is a negative pressure, so the inflation effect is not good, and the utilization rate of the giant gas is low.
Multi-functional air-conditioning packaging machine: The air-conditioning packaging machine has several functions of ordinary sealing packaging, vacuum packaging and vacuum inflation packaging, and is a packaging machine for external pumping (also known as direct pumping, pipe drawing, etc.).
Without the vacuum working chamber, the packaging bag is placed on the inflation nozzle and placed between the upper and lower sealing devices and the upper and lower heat sealing devices. The packaging bag is sealed by a sealing device, and then the vacuum bag or vacuum is directly inflated in the packaging bag. Then, the inflated mouth is retracted, and the heat sealing device works after the seal. The inflation amount of this type of machine can be adjusted arbitrarily, and it is not limited by the packaging volume within the length of the sealing. The packaging effect is directly considerable. The disadvantage is that the vacuum is lower than that of the cavity vacuum packaging machine, and the powder and liquid food are not suitable.
At present, domestic pharmaceutical companies, as long as they produce Chinese patent medicines, generally have granules and a few powders. There are many brands of packaging machines produced in China. From the aspects of function, configuration and various aspects, the difference is relatively large. The selection of granule and powder packaging machines suitable for the company's products is the key to production yield and packaging quality.