The Automatic Four-Wheel Spindle Capping Machine is designed for the continuous and reliable tightening of threaded caps on bottles, jars, and other rigid containers. Four synchronized capping wheels grip each closure from both sides and progressively rotate it onto the container finish, creating a smooth tightening process without repeatedly stopping the production line.
As containers travel through the capping section, adjustable side belts stabilize the bottle body while the four capping wheels apply controlled rotational force to the closure. This balanced structure helps reduce bottle spinning, tilted caps, cross-threading, and unnecessary surface marking.
The machine can handle standard screw caps, flip-top closures, dispensing caps, pump heads, trigger sprayers, and other compatible threaded closures. It may be used as an independent cap-tightening unit or integrated with automatic cap sorting, feeding, placement, filling, sealing, labeling, coding, and inspection equipment.
Four rotating wheels tighten each closure in controlled stages, providing smooth cap engagement and stable sealing performance.
Containers remain in motion during the capping process, supporting an efficient production flow with fewer starts and stops.
Opposing wheels distribute tightening force across both sides of the cap, helping reduce deformation and uneven engagement.
Wheel pressure, spacing, speed, height, and contact position can be adjusted according to the cap material and required tightness.
Adjustable side-grip belts hold containers securely and help prevent rotation, tipping, and misalignment during capping.
The machine can be configured for various threaded closures, including conventional screw caps, pump heads, trigger sprayers, and flip-top caps.
Appropriate wheel materials provide sufficient grip while helping protect printed, coated, or decorative cap surfaces.
Accessible adjustment points simplify changes between compatible bottle heights, container widths, and cap diameters.
The capping unit can be connected to a cap elevator, sorting device, delivery chute, and cap-placement mechanism.
The inline structure allows straightforward connection with upstream filling equipment and downstream sealing, labeling, and inspection systems.
| Model No. | DL-SL330 |
|---|---|
| Production Capacity | 30-100 BPM |
| Power | 0.37KW |
| Capping Diameter | 18-60mm |
| Cap Height | 30mm |
| Machine Size | L2000*W700*H1500(mm) |
It is an inline capping system that uses four rotating wheels to grip and tighten threaded closures while containers move through the machine.
Yes. It is a compact spindle-capping configuration in which four rotating spindle wheels perform the cap-tightening process.
It can handle compatible screw caps, flip-top caps, dispensing closures, pump heads, trigger sprayers, and other threaded closures.
Yes. The machine can operate as a cap tightener when operators place the caps on the containers before they enter the capping section.
Yes. An automatic system can include a bulk-cap hopper, elevator, sorter, orienting mechanism, delivery chute, and cap-placement device.
The tightening effect is adjusted through wheel pressure, wheel speed, spacing, height, contact position, and bottle-conveying speed.
It provides adjustable and repeatable tightening for many standard closures. Applications requiring verified numerical torque should be evaluated through cap-and-container testing or an additional torque-monitoring solution.
Yes. Round, square, rectangular, oval, and suitable irregular containers can be processed when the guide rails and side belts provide stable control.
Suitable wheel materials, balanced pressure, gradual tightening, and correct speed settings help reduce scratching, deformation, and excessive tightening.
Yes. The cap range, bottle range, conveyor height, capping-wheel material, side-belt structure, cap-feeding method, operating direction, and control functions can be customized.