Oral liquid easy to fold plastic bottle favored

With the rapid development of domestic oral liquid market, people have put forward higher requirements for the appearance, practicality and safety of oral liquid packaging. In recent years, the popular plastic bottles and oral liquids on the market have become popular and popular, and the potting equipment for glass bottles has been unable to adapt to production. The research, development, and manufacturing of potting machines for easy-to-fold plastic bottles have quietly emerged in the pharmaceutical equipment industry. In this regard, the industry analysts believe that the future development of pharmaceutical machinery will keep pace with the changes in the corresponding drug packaging materials, that is, to adapt to changes in drug packaging materials for the "customer customization."

â–  easy to fold plastic bottles to overcome the disadvantages of glass bottles

At present, the proportion of oral liquids is increasing in many therapeutic drugs and health products. Oral liquid packaging changed from fragile ampules to controlled oral liquid glass bottles (with straight and screw bottles, mostly straight-mouth bottles), and gradually evolved into tear-covered brown glass bottles. In recent years, the lids of brown glass bottles have been transformed into aluminum-plastic caps and aluminum caps, which are easily intubated. It can be seen that the packaging materials for oral liquids are changeable and diverse.

However, these traditional oral liquid glass bottles all have obvious disadvantages, such as washing, drying, sterilizing and other processes before being filled with liquids; poor light protection; easy to break; when used Not very convenient; higher storage and transportation costs. The new type of oral liquid easy-to-fold plastic bottle is made of high-quality plastic, which is composed of a bottle body and a bottom cover, and the bottle body is round or oval (can also be made into different shapes on demand), and the special feature is the bottle. There is a deep veining in the head, which is a fold. When the liquid medicine is filled into the bottle body, the bottom cover of the bottle is heat-sealed to complete the potting process. The user can break the bottle with a finger and press the deep part of the bottle, so that the liquid can be easily consumed. Therefore, the oral liquid easy-to-fold plastic bottle has the advantages of non-toxic, clean, low permeability, good light protection and sealing performance, easy loading liquid, light weight, no damage, low storage and transportation costs, and the outstanding advantages of convenient carrying and drinking by consumers. .

â–  Potting equipment should have directional processing capabilities

Oral liquids, easy-to-fold plastic bottles, brought about a revolution in oral liquid packaging materials, which also put new demands on potting equipment. The potting equipment used for traditional oral liquid glass bottles is only applicable to the positive orientation and filling of glass bottles, that is, the bottles are placed in a directional manner, sent to the filling and sealing process from the turntable and the conveying track, and finally the capping (or screw capping) is performed. . The easy-to-fold oral plastic bottle is divided into two parts: the bottle body and the bottom cover, both of which are reversed after entering the unscramble bottle station. This requires the equipment to carry out “removing the bottle” and “lipping” treatment, and the bottle The "slender" and bottom cover are "narrow", so the design of the equipment's directional processing function is difficult.

â–  The filling needle needs to rise synchronously with the liquid level

In addition, the pouring equipment of the easy-to-fold plastic bottles for oral liquids requires the reverse orientation and filling of the plastic bottles, which are then fed into the conveying track for filling and sealing between the bottle body and the bottom cover. Because the presence of too much liquid at the seal will severely affect the quality of the seal or the leakage, in order to ensure the quality of the seal, it is necessary to enable the liquid filling head to rise synchronously with the filling level. Therefore, the design of the filling needle is also a difficult point. .

Hot melt seals are legally reliable and cost-effective

In addition, the technology applicable to the seal between the bottle body and the bottom cover of the easy-to-fold plastic bottle is reliable, non-leakage, low cost and suitable for continuous production. Currently, plastic sealing techniques include lasers, ultrasonics, blanching, and hot-melting. Among them, the cost of the laser method is too high, and there is a certain amount of radiation; the ultrasonic method requires an ultrasonic generator, and it is a contact seal. It is only suitable for low speeds. Intermittent production; while hot stamping is legally easy to leak; only hot melt methods can meet the requirements of reliability, no leakage, low cost and suitable for continuous production.

â–  High-speed models are more suitable for production needs

At present, the models of oral liquid filling and sealing machines in China are diversified. There are semi-automatic, automatic, stand-alone production, on-line production, and low-speed or medium-high speed models. What kind of speed or model can meet the general production requirements of domestic oral liquid? This needs to be considered from the scale and development trend of domestic oral fluid production. As China's oral therapeutic liquids for therapeutic drugs and health products all show medium-to-large-scale and multi-variety production, the model should be positioned in the mid-to-high-speed automated inline model.

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