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Haimen Yuanda Pharmaceutical Machinery Co., Ltd
Working principle and characteristics of capsule sealing machine
Date: 2025-08-18Read: 5
The working principle of the capsule sealing machine mainly includes steps such as capsule sorting and orientation, separation, material filling, closure, and finished product output. Firstly, the machine sorts and orients the cluttered capsules through a vibrating disc, utilizing the shape characteristics of the capsules to arrange them in a specific direction (such as the capsule body at the bottom and the cap body at the top) for subsequent operations. Secondly, the capsule is transported to a separation device, where the cap and capsule are separated using vacuum suction or mechanical grippers to prepare for the filling material. During the material filling stage, corresponding systems are selected based on different properties (such as powder, particles, or liquids): powder filling is commonly controlled by screw or measuring cup methods for quantitative control; Particle materials are filled by counting; Liquid materials are precisely injected into the capsule using a micro pump or syringe. Subsequently, the separated cap was re covered onto the filled capsule and tightly closed by applying pressure through a mechanical device, forming a complete capsule. Finally, the finished capsules are collected by conveyor belts and other systems to the designated area for subsequent packaging. The entire process is monitored by a precision control system (such as PLC) to ensure stable operation of parameters such as filling dosage and speed.
The characteristics of capsule sealing machine include high efficiency, high precision, high degree of automation, and easy cleaning. High efficiency is reflected in the machine's ability to quickly fill and process capsules, significantly improving drug production efficiency. High precision comes from the precise control of the metering system (such as flow sensors or metering pumps), which ensures consistency in filling dosage and guarantees drug quality. A high degree of automation is achieved through mechanical transmission systems and control systems, reducing manual intervention and improving overall output efficiency. In addition, the equipment structure design is simple, easy to clean and maintain, meets the hygiene requirements of drug production, and can automatically identify and remove unqualified capsules at the waste removal station, reducing waste. These characteristics make capsule sealing machines widely used in the pharmaceutical industry, optimizing the production process.
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