Automatic Linear Capping Machine
High-Efficiency Sealing for Modern Production Lines
The Harsiddh Automatic Linear Capping Machine is a compact and reliable solution designed for high-production environments in the Pharmaceutical, Cosmetic, Food, and Agrochemical sectors. Unlike rotary systems, this linear capper offers superior flexibility for manufacturers handling multiple product formats. Its “tool-less” adjustment philosophy ensures that switching between bottle sizes is fast and intuitive, making it a favorite for lines with frequent product changeovers.
Reliable Operational Workflow
The machine provides a consistent, repeatable sealing action across a wide range of cap types.
Sequence of Operation:
- In-feed & Stabilization: Bottles enter via the SS slat conveyor and are gripped by synchronized holding belts to maintain precise alignment.
- Cap Pick-up: As the bottle moves along the path, it picks up a pre-oriented cap from the delivery chute of the feeding system.
- Linear Sealing: The bottle travels under a series of tightening rollers or a specialized pressing belt that applies uniform torque/pressure to seal the cap.
- Security Monitoring: The PLC-controlled system monitors the line for bottle jams or missing caps, triggering an automatic stop if an error is detected.
- Discharge: Sealed containers are discharged onto the out-feed conveyor, ready for secondary packaging or labeling.
Technical Specification
| Specification | Details |
|---|---|
| Output Speed | Up to 150 Bottles Per Minute (Speed varies by size) |
| Bottle Diameter | Up to 85 mm (Linear – No Change Parts) |
| Bottle Height | 300 mm Maximum |
| Cap Size | As per customer specifications |
| Power Consumption | 2.0 H.P. / 415 V / 3 Phase (or 230 V Single Phase) |
| Working Height | 850 mm to 950 mm (Adjustable) |
| Dimensions (L x W x H) | Approx. 1750 mm x 780 mm x 1875 mm |
| Net Weight | Approx. 550 Kgs |
Frequently Asked Questions
Can the machine handle different bottle shapes and cap types?
Yes. One of the biggest advantages of the Harsiddh Linear Capper is its versatility. It can easily accommodate round, square, oval, or flat bottles made of PET, HDPE, or glass. It is compatible with a wide range of plastic screw caps, including standard caps, flip-tops, and ribbed closures, without requiring extensive changeover parts.
How does the "Pick-off" capping mechanism work?
As a bottle moves along the conveyor, it passes under the cap delivery chute. The neck of the bottle "picks off" a cap that is held in place at the end of the chute. Immediately after, the bottle passes through a series of tightening discs or belts that rotate the cap onto the threads, ensuring a secure and consistent seal.
How is the capping torque adjusted to prevent over-tightening?
To protect both the bottle threads and the cap's integrity, our machine features adjustable friction or magnetic torque control. Operators can fine-tune the tension of the tightening rollers. Once the pre-set torque is reached, the rollers slip, ensuring that every bottle is sealed to the exact required tightness without stripping the plastic.
What are the key construction and maintenance standards?
As a cGMP-compliant model, the Harsiddh Linear Capper is built for durability and hygiene:
Materials: The main frame and all covers are made of SS 304, while the tightening rollers are made of high-wear-resistant synthetic rubber.
Automation: It includes an integrated Vibratory or Rotary Cap Elevator to sort and feed caps automatically.
Safety: The machine is equipped with "No Bottle – No Cap" sensors and can be fitted with a transparent acrylic safety cabinet to protect operators during production.
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