Oral Liquid Glass Bottle Filling Capping Machine

This is a Oral liquid bottling production line comprising a bottle unscrambler, a 8-head liquid filling machine, a vibrating cap feeder,  a One screw-capping head and one crimp-capping head.. Depending on specific requirements, additional equipment—such as a bottle washer, labeling machine, or cartoning machine—can also be added.

. Equipment Overview

This machine is designed to efficiently process bottles traveling along a conveyor belt, performing precise positioning, metered filling, automatic capping (positioned within a rotary disc), and automatic crimping operations.

The machine employs a dual-lane bottle feeding mechanism, utilizing a pneumatic cylinder assembly to halt and precisely position the bottles at the designated filling station. The filling pump unit is customizable based on user requirements and material properties (options include peristaltic pumps, stainless steel piston pumps, or ceramic pumps). This specific unit is equipped with stainless steel piston pumps driven by a high-power servo motor. Once the bottles reach the stopping position, a fiber-optic sensor detects their presence, triggering the automatic, metered filling process. Upon completion of filling, the bottle-stopping mechanism releases the filled bottles, which are then conveyed via a conveyor belt to the rotary turntable molds; simultaneously, the stopping mechanism halts the next batch of empty bottles for filling. If a bottle is missing from a batch, the machine will pause and wait; filling will not commence unless a complete batch of bottles is present. The main turntable molds operate intermittently, driven by a high-precision cam indexer to ensure accurate positioning. Bottle caps are automatically sorted by a vibratory feeder; any caps oriented incorrectly are rejected, while correctly oriented caps are guided onto the cap-delivery track. Utilizing a gravity-fed cap chute, the machine automatically places a cap onto each bottle as it rotates into the capping station; once capped, the bottles proceed to the crimping station for final sealing. For metal screw caps, a four-blade crimping structure is employed—specifically, two blades form the threads while two blades seal the skirt—resulting in a smooth, clean thread profile and a flawless bottom seal. Upon completion of the crimping process, the bottles are automatically discharged from the turntable molds and transferred via conveyor belt to the subsequent packaging stage.

This machine employs PLC programming control, integrating advanced intelligent electronic control technology with a simple, intuitive human-machine interface to achieve a seamless mechatronic design. The main unit features a comprehensive suite of automated control functions, including "no-bottle, no-filling" logic, alarms or automatic shutdown for missing caps, and automatic shutdown upon reaching full-bottle capacity. The equipment operates with stability and reliability, fully complying with GMP regulatory requirements. Furthermore, it can be seamlessly integrated with upstream and downstream machinery to form a synchronized production line.

II. Technical Parameters

III. Structural Characteristics

1.The machine employs a single-lane-to-double-lane conveying structure, transporting bottles beneath the filling heads. It utilizes a pneumatic bottle-blocking mechanism; automatic filling commences once a fiber-optic sensor detects that a full set of bottles is in position, while the system pauses and waits if bottles are missing.

The metering pump assembly is driven by a large servo motor powering a bank of eight metering pumps; the filling volume is configured via a touchscreen interface, with individual pumps allowing for fine-tuning.

2.Caps are automatically sorted and conveyed by a vibratory feeder to the capping station, where they are held in readiness. Once filling is complete, the bottles are transported via a conveyor belt to an indexing turntable for intermittent motion. As the bottles pass through the capping station, the caps are automatically placed onto them. The capping mechanism employs a four-roller structure—two rollers for forming the threads and two for sealing the skirt—resulting in a finished product with clean, smooth threads and a flush seal. Furthermore, the system features a "no-cap, no-capping" safeguard, effectively protecting the bottle neck from potential damage.

IV. Configuration Form