Automatic Eye/Ear Drop Filling Machine
High-Precision Monoblock for Sterile Ophthalmic Solutions
The Harsiddh Automatic Eye/Ear Drop Filling Machine is a specialized monoblock solution designed for the pharmaceutical industry’s rigorous aseptic standards. This machine streamlines the entire packaging process—from precise liquid filling to inner plugging and final screw capping—within a single, vibration-free frame. It is the ideal choice for filling small-volume sterile solutions, ranging from 2ml to 30ml, with high efficiency and minimal human intervention.
Operational Precision & Sequential Workflow
The machine operates on a rotary indexing mechanism, ensuring that each bottle is perfectly positioned at every station for consistent quality.
Sequence of Operation:
- In-feed: Sterile bottles are fed onto the conveyor and moved into the rotary star wheel.
- Volumetric Filling: Precision nozzles discharge the liquid dose with ±1% accuracy.
- Inner Plugging: A vibratory feeder sorts the plugs, and the picking head places them securely onto the bottle neck.
- Screw Capping: The outer caps are fed via a second vibratory unit, picked up, and tightened using an adjustable torque capping head.
- Discharge: Finished bottles are moved to the scrambler/out-feed table for labeling and final inspection.
Technical Specification
| Specification | Details (Model: HLD-60) |
|---|---|
| Production Output | 30 to 60 Bottles / Minute |
| Bottle Size Range | 2ml to 30ml (Plastic or Glass) |
| Filling Accuracy | ± 1% |
| Filling Type | Piston Pump / Peristaltic Pump |
| Capping Type | Screw Capping with Torque Control |
| Contact Parts | Stainless Steel AISI 316L |
| Power Requirements | 1.0 H.P. Main Motor |
| Dimensions | Approx. 1800mm (L) x 1000mm (W) x 1500mm (H) |
Frequently Asked Questions
How does the machine ensure sterile and accurate filling of sensitive drops?
Precision is critical for ophthalmic products. The machine utilizes either volumetric syringes or peristaltic pumps (depending on the product's sensitivity) to achieve a filling accuracy of ±1%. To maintain sterility:
It features a "No Bottle – No Fill" sensor to prevent spills.
All contact parts are made of SS 316L.
The machine's slim-line design is optimized for operation under a Laminar Air Flow (LAF) unit to maintain a Class 100 environment.
Does the machine automate the placement of both the dropper and the cap?
Yes. This is a fully integrated "Monoblock" or linear system that includes:
Automatic Dropper/Plug Placement: A vibratory feeder sorts the inner plugs, and a mechanical "pick-and-place" or "press-fit" station inserts them into the bottle neck.
Automatic Capping: A second vibratory feeder supplies the screw caps, which are then tightened using a torque-controlled capping head to ensure a leak-proof seal without damaging the plastic threads.
How is the torque controlled during the capping process?
To ensure every bottle is sealed perfectly, the machine uses a Magnetic Torque Capping Head. This allows the operator to set a specific torque limit; once the cap is tightened to the required tension, the head slips, preventing over-tightening. This is essential for eye drop bottles to ensure the end-user can easily open the bottle while maintaining a hermetic seal during transit.
What are the key cGMP and safety features of this machine?
As a cGMP-compliant unit, the Harsiddh Eye/Ear Drop Filling Machine includes:
Material Integrity: Non-contact parts are SS 304, and the main frame is designed for easy wash-down and sanitization.
Safety Enclosure: A full acrylic or polycarbonate safety cabinet with interlock sensors stops the machine instantly if a door is opened.
Advanced Control: A centralized PLC with Touchscreen HMI provides real-time monitoring of production speeds, "No Bottle-No Cap" alerts, and batch counting.
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