The Automatic Wad Inserting Machine engineered by Siddhivinayak Engineering is a specialized high-speed packaging system designed for the automated insertion of sealing liners, induction foil wads, and foam discs into bottle caps prior to final container closure. Utilizing synchronized dual vibratory bowl feeders—or a precision roll-fed die-cutting and insertion mechanism—the system automatically aligns caps and securely presses pre-cut wads into the inner cap cavity using advanced vacuum suction or mechanical insertion punches. Equipped with optical missing-wad sensors to guarantee 100% quality verification and prevent unsealed product release, it features a centralized PLC and touchscreen HMI control system for effortless operation and recipe management.
Fabricated with a robust SS 304 structural framework and cGMP-compliant SS 316 contact parts, this reliable automated solution ensures flawless seal integrity and high-throughput production for pharmaceutical, nutraceutical, chemical, and food and beverage packaging lines.
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Specification of Automatic Wad Inserting Machine
| Model NO. | SVWAI1 SVWAI2 |
| Cap Size* | 25-80 mm Dia. |
| Wad Size* | 25-80 mm Dia. |
| No. of Head | 1 2 |
| Speed | 60 100 |
| Direction | Left To right |
| Power Supply | 1 Phase 220V Ac supply |
| Air supply | 6-8 bar Air Pressure |
| * With Help of Change parts | |
Salient Features of Automatic Wad Inserting Machine
- Automated Wad Insertion: Automatically places foam, foil, or induction sealing wads securely inside cap cavities at high speeds.
- Vibratory Cap Feeding: Efficiently orients and feeds bulk caps into the insertion station via dedicated vibrating bowl feeders.
- Roll-Fed or Pre-Cut Wad Feed: Accommodates pre-cut disk wads or punches them directly on-the-fly from continuous sealing material rolls.
- Vacuum Suction Placement: Precision vacuum suction or mechanical insertion punches guarantee accurate, deep-seated wad positioning.
- Optical Missing-Wad Detection: Advanced photo-optic sensors verify wad presence in every single cap to prevent unsealed leaks.
- Automatic Defect Rejection: Synchronized pneumatic air-blast systems immediately offload caps missing wads into a secure reject bin.
- SS 304 Main Framework: Fabricated with heavy-duty stainless steel for long-term structural durability and washdown corrosion resistance.
- cGMP-Compliant Contact Parts: Product contact components are built using high-grade SS 316 to meet strict pharmaceutical standards.
- PLC & HMI Touchscreen Control: Centralized digital interface allows easy parameter adjustments, speed monitoring, and operational diagnostics.
- Rapid Toolless Changeover: Modular starwheels and quick-release insertion tooling minimize downtime during format transitions.
- High-Speed Operational Output: Delivers high-throughput insertion performance to completely eliminate manual assembly bottlenecks.
- Adjustable Insertion Depth: Fine-tuned mechanical depth control ensures wads sit flat and flush against the cap interior floor.
- Pneumatic Actuation Precision: Reliable pneumatic cylinders deliver smooth, repeatable downward pressure cycles for consistent seating.
- Safety Interlock Enclosure: Transparent polycarbonate safety guards feature door interlocks that halt operation immediately if opened.
- Seamless Line Integration: Connects smoothly with upstream cap sorters and downstream capping or induction sealing machines.
Optional Features of Automatic Wad Inserting Machine
- Bulk Cap Elevator Hopper: Floor-level stainless steel hopper with a flighted belt elevator that automatically feeds bulk caps into the primary orienting bowl feeder.
- Acoustic Enclosures for Feeder Bowls: Sound-insulating clear polycarbonate or SS 304 covers that fit over vibratory sorting bowls to significantly reduce shop-floor noise levels.
- Advanced Vision Inspection System: High-resolution optical cameras to detect crooked wads, upside-down wads, double-wads, or torn foil liners.
- Multi-Lane Classified Rejection Module: Dual-lane pneumatic air-blast system that separates caps missing wads from those with alignment defects into distinct, secure lockable bins.
- Foil Integrity & Induction Verification Sensors: Specialized sensors that check for foil presence and integrity prior to final capping and sealing stages.
- 21 CFR Part 11 Audit Trail Software: Upgraded control packages featuring multi-level user authentication, electronic batch reporting, and secure audit trail logging for pharmaceutical compliance.
- Motorized Head Height Adjustment: Push-button electric elevation mechanism for raising or lowering the insertion head assembly during quick changeovers between different cap depths.
- Full Stainless Steel 316 / 316L Contact Parts: Complete upgrade of all starwheels, chutes, guide rails, and insertion punches to SS 316/316L for sterile pharmaceutical environments.
Product Also Known As of Automatic Wad Inserting Machine
- Automatic carton sealing (Tape Type)
- Hot Melt Glue Sealing System
- Robotic Pick & Place Loading
- Vision Inspection System
- Barcode Verification
- Automatic Divider / Leaflet Inserter
- Reject Conveyor System
- Production Data Logging & SCADA
- Remote Diagnostics
- CE Safety Compliance
Machine Operation Process of Automatic Wad Inserting Machine
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Step 1
Cap Infeed & Orientation : Bulk bottle closures are loaded into a vibratory bowl feeder or elevator, where they are oriented and aligned correctly before being fed in a single file down the delivery chute. -
Step 2
Wad Feeding or Die-Punching : Pre-cut sealing wads (foam, foil, or induction liners) are fed from a magazine stack, or custom wads are automatically punched on-the-fly from a continuous roll of sealing material. -
Step 3
Precision Vacuum Insertion :A synchronized vacuum suction nozzle or mechanical insertion punch retrieves the wad and presses it firmly and flatly into the inner cavity of the cap.
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Step 4
Optical Inspection & Verification : Advanced photo-optic sensors or high-resolution vision cameras inspect every cap to ensure 100% verification of wad presence and proper seating depth. -
Step 5
Discharge & Defect Rejection : Correctly wadded caps are discharged toward downstream capping equipment, while any caps missing wads or showing alignment flaws are automatically diverted into a reject bin via a pneumatic air-blast.
Video of Automatic Wad Inserting Machine
Frequently Asked Questions
An Automatic Wad Inserting Machine is a specialized inline packaging system designed to automatically feed, insert, and press sealing wads (such as induction foil liners, foam discs, EPE liners, or cardboard seals) into bottle caps prior to container sealing. It ensures a leak-proof seal, preserves product freshness, and provides tamper evidence for bottled goods.
The machine handles a wide range of liner materials including induction foil, pressure-sensitive liners, expanded polyethylene (EPE) foam, and pull-tab wads. It accommodates plastic and metal closures ranging from small dropper caps to large wide-mouth jar caps.
The machine features a modular, toolless changeover design. Operators can quickly swap out starwheels, chutes, and insertion heads using quick-release levers, while parameter adjustments are saved as pre-configured recipes on the PLC touchscreen.
Machines support plastic caps, PET bottle caps, metal caps, and various diameters (e.g., 30–100 mm neck range. They are suitable for diversified cap forms.
They replace manual cap lining, ensuring:
Leak‑proof sealing
Tamper evidence
Consistent gasket placement
