Automatic Four-Wheel Screw Capping Machine, Plastic Jar Bottle Capper Machine, Four Roller Capper Equipment

Automatic Four-Wheel Screw Capping Machine, Plastic Jar Bottle Capper Machine, Four Roller Capper Equipment 

The automatic four-wheel screw capping machine is designed for tightening compatible caps on bottles used in food, cosmetics, pharmaceutical, and chemical packaging. It uses four rotating capping wheels to tighten caps while a bottle clamping mechanism helps keep containers stable during operation.

The machine is equipped with four speed-adjustable motors for cap feeding, bottle clamping, conveying, and capping. Its adjustable structure allows operators to accommodate different bottle heights, bottle diameters, and cap sizes within the specified operating range.

Featuring wear-resistant silicone capping wheels and a combination of stainless steel components and lightweight aluminum profiles, this machine offers a practical solution for manufacturers seeking consistent bottle capping and flexible format adjustment. It can operate independently or be integrated with compatible filling and labeling equipment to create a more automated packaging line.

Key Features and Advantages

Four-Wheel Capping System

Four rotating wheels apply tightening force to compatible caps from multiple sides. Proper wheel alignment and pressure adjustment help achieve consistent cap tightening during continuous production.

Adjustable Speed and Tightness

The machine allows adjustment of operating speed and capping wheel pressure according to the bottle and cap requirements. These adjustments help accommodate different closure designs while reducing the risk of loose caps or damage caused by excessive pressure.

Flexible Bottle and Cap Adjustment

The adjustable structure supports bottle heights of 38–300 mm, bottle diameters of 35–130 mm, and cap diameters of 22–85 mm. This flexibility is useful for manufacturers handling multiple bottle formats without needing a completely separate machine for every size.

Silicone Capping Wheels

The wear-resistant silicone wheels help reduce scratches and surface damage to compatible caps during tightening. Appropriate pressure and alignment are especially important when handling plastic caps or closures with decorative surfaces.

Optional Automatic Cap Feeding

A compatible automatic cap feeding system can be selected to reduce manual cap placement and improve production continuity. The feeder should be matched to the cap structure and required operating speed.

Applications

The automatic four-wheel capping machine is suitable for a wide range of bottle packaging applications, provided that the container and closure are compatible with the capping mechanism.

Industry Applications

- Food and Beverage: Cooking oil, sauces, syrups, liquid beverages.

- Cosmetics and Personal Care: Shampoo, lotion, skincare liquids, cosmetic products.

- Pharmaceutical: Compatible liquid medicine and healthcare products.

- Household Chemicals: Detergents, cleaning liquids, disinfectants.

- Agricultural Chemicals: Compatible pesticide and liquid chemical products.

Technical Specifications

1. Machine Type: Automatic Four-Wheel Screw Capping Machine

2. Power Supply: AC 220 V / 50 Hz

3. Power Consumption: 1,500 W

4. Bottle Height Range: 38–300 mm

5. Bottle Diameter Range: 35–130 mm

6. Cap Diameter Range: 22–85 mm

7. Working Air Pressure: 0.3–0.5 MPa

8. Production Capacity: 1,800–2,500 bottles/hour

9. Machine Dimensions (L×W×H): 2,000×800×1,600 mm

10. Net Weight: 200 kg

Integration with Filling and Packaging Lines

For manufacturers seeking to improve packaging automation, the four-wheel capping machine can be integrated with compatible upstream and downstream equipment.

A typical bottle packaging line may include:

Bottle Feeding → Liquid Filling → Automatic Capping → Bottle Labeling → Finished Product Collection

The filling machine can be selected according to the product's characteristics. For example, piston filling machines may suit many viscous products, while gear pump or rotor pump filling machines may be considered for suitable liquid applications.

The capping machine then tightens the compatible closures before the bottles move to labeling, inspection, or subsequent packaging stages.

Frequently Asked Questions

Q1: What is the production capacity of this four-wheel capping machine?

The specified capacity is 1,800–2,500 bottles per hour. Actual output depends on the bottle format, cap structure, and production line configuration.

Q2: Can the machine handle different bottle sizes?

Yes. It supports bottle heights of 38–300 mm and bottle diameters of 35–130 mm, subject to container stability and compatibility.

Q3: Can it handle pump caps and spray closures?

Selected pump and spray closures may be compatible. Sample testing is recommended to confirm tightening performance and machine suitability.

Q4: Can the machine be connected to a filling line?

Yes. It can be integrated with compatible filling machines, conveyors, labeling machines, and other packaging equipment.

Conclusion

Choosing the right capping machine requires matching the bottle dimensions, cap design, tightening requirements, and target production capacity.

As a packaging machinery manufacturer, we can evaluate your packaging requirements and recommend a suitable machine configuration. Optional automatic cap feeding and integration with filling and labeling equipment can also be considered according to your production needs.