The polishing machine is a core post-processing equipment in the industrial production of hollow capsules (gelatin, HPMC, starch-based). It is a critical process link between capsule molding, drying and optical inspection/packaging, dedicated to surface finishing, impurity removal and defective product screening of finished hollow capsules. Its application is in full compliance with pharmaceutical GMP production standards, and it is an indispensable equipment for ensuring the appearance quality, product consistency and subsequent processing efficiency of hollow capsules.
Core Functions
Surface dust and adherent removalRemove residual raw material powder, dust, and small adhesive particles on the capsule shell surface generated during molding, drying and conveying processes, eliminating surface impurities that affect capsule cleanliness.
Capsule surface finishingPerform gentle and uniform polishing on the capsule shell surface through a physical friction process of the equipment's inner polishing medium, making the capsule surface smooth and glossy, and improving the overall appearance of the finished product.
Defective capsule sortingIn the polishing process, separate unqualified capsules such as deformed, cracked, dented, and poorly sealed capsules by virtue of the equipment's centrifugal force and screening structure, and discharge them automatically to reduce the defective rate of subsequent processes.
Capsule alignment and sortingTidy up the disordered capsules during conveying, make them arranged in a regular manner, and avoid capsule tangling or stacking, which lays a foundation for the smooth operation of subsequent automated processes such as optical inspection, printing and counting packaging.
Mild moisture adjustmentFor gelatin hollow capsules, the equipment can realize mild surface moisture balance during polishing, avoiding excessive dryness and brittleness of the capsule shell, and maintaining the proper toughness and elasticity of the capsule.
Key Advantages
Improve product quality and market competitivenessThe smooth and clean capsule surface not only meets the appearance quality requirements of pharmaceutical excipients specified in the pharmacopoeias of various countries, but also enhances the product's visual grade, which is more in line with the procurement standards of pharmaceutical and health food manufacturers.
Comply with GMP clean production requirementsThe whole polishing process is closed and dust-free, with a dedicated dust collection and impurity discharge system, which avoids secondary pollution of capsules and meets the environmental and cleanliness requirements of pharmaceutical clean production workshops.
Boost the efficiency of subsequent automated processesThe tidily arranged and impurity-free capsules can significantly reduce the jamming and shutdown rate of optical inspection machines, printers and packaging machines, and improve the overall operation efficiency of the hollow capsule production line by 20%-30%.
Flexible polishing, no damage to capsule shellAdopt food-grade soft polishing media and adjustable polishing speed/rotation force, realize non-destructive polishing of capsules, and avoid capsule shell cracking, deformation or seal damage caused by excessive polishing.
Strong compatibility, adapt to multi-specification productionIt can be adjusted and adapted to the polishing processing of hollow capsules of all industrial specifications (000#-5#), and is compatible with gelatin, HPMC, starch and other different material capsule shells, meeting the diversified production needs of manufacturers.
Automatic operation, reduce labor costsIntegrate automatic feeding, polishing, impurity removal, sorting and discharging, with no need for manual on-site operation, which reduces the labor input of post-processing, and the operation and control are simple, with low professional requirements for operators.
Easy to clean and maintain, low operating costThe internal structure of the equipment is modular and detachable, which is convenient for daily cleaning, disinfection and regular maintenance; the polishing medium has a long service life, low consumption rate, and no additional chemical additives, with low daily operating and maintenance costs.
Stable performance, high processing consistencyThe constant speed polishing and uniform centrifugal force ensure that the polishing effect of each batch of capsules is consistent, avoiding the difference in appearance quality of capsules in different production batches, and improving the overall consistency of finished products.