An industrial packaging solution, this Automatic Liquid Filling Machine provides precise, repeatable metering and filling of pumpable liquids and viscous sauces into preformed bags. Built with heavy-duty 304 stainless steel, the equipment integrates liquid dispensing, pouch handling, date coding, and package counting into a single continuous packaging line.
Functions of Automatic Liquid Filling Machine
Automated Metering & Filling
Positive-displacement dosing system delivers consistent volumetric accuracy across every pouch, eliminating manual pouring variations.
Single-Stage Packaging Integration
Combines liquid dispensing with preformed pouch positioning, sealing, and handling in one continuous process stream.
Food-Grade Stainless Steel Build
Enclosure and frame utilize corrosion-resistant stainless steel to meet strict hygiene requirements in food and chemical processing plants.
Suitable Products
Free-Flowing Liquids
Handles low-viscosity fluids including water, juices, oils, vinegar, and liquid condiments requiring exact volume control.
Viscous Sauces & Pastes
Dispenses high-viscosity materials such as tomato paste, chili sauce, dressings, mayonnaise, and soy sauce without clogging or dripping.
Custom Product Matching
Pumping components, nozzle diameters, and valve assemblies are tailored to match specific fluid viscosity, operating temperature, and flow behavior.
Technical Parameters
|
Parameter |
Specification |
|
Machine Type |
Automatic Liquid Filling Machine |
|
Filling Range |
50 – 1000 mL (Customizable up to 5000 mL) |
|
Dosing Accuracy |
≤ ±1.0% |
|
Production Capacity |
15 – 60 bags/min (Depending on viscosity & fill volume) |
|
Compatible Pouch Types |
Preformed 3-side seal, 4-side seal, stand-up pouches, spout pouches |
|
Applicable Pouch Dimensions |
Width: 80 – 220 mm | Length: 100 – 300 mm |
|
Machine Construction |
Frame: SUS304 Stainless Steel | Contact Parts: SUS316L Stainless Steel |
|
Control System |
Siemens / Mitsubishi PLC with 7-inch Color Touchscreen |
|
Air Consumption & Pressure |
0.4 – 0.6 m³/min @ 0.6 – 0.8 MPa |
|
Electrical Supply |
AC 220V / 380V ±10%, 50/60 Hz, 3-Phase |
|
Total Power Output |
2.5 – 4.5 kW |
|
Equipment Weight & Dimensions |
Approx. 650 kg | L 1650 × W 1400 × H 1600 mm |
Engineering Selection Criteria
Fluid Viscosity & Dynamics: Fluid viscosity, temperature, and suspended solids determine whether piston pumps, peristaltic pumps, or rotary gear pumps are implemented.
Target Fill Volume: Dosing cylinder dimensions and stroke controls are calculated based on target net weight and volume tolerances.
Pouch Specifications: Bag length, width, seal margins, and opening style dictate pouch-gripping mechanisms and nozzle insertion depth.
Output Requirements: Production line speed directly dictates nozzle count, pump capacity, and mechanical index speed.
Operational Workflow
Product Supply: Raw liquid transfers from the holding tank into the dosing system through sanitary piping.
Precision Metering
The dosing pump measures the exact volumetric charge for the specific fill cycle.
Nozzle Discharge
Anti-drip nozzles descend into the pouch opening to dispense the fluid cleanly without contaminating the seal area.
Coding & Counting
Integrated thermal printers mark production dates and batch codes before finished packages pass through the optical counter.
Applications of Automatic Liquid Filling Machine
Food Processing Facilities
Automates portion-controlled packaging for edible oils, syrups, liquid broths, and marinades.
Condiment & Sauce Manufacturing
Ensures accurate, drip-free filling for hot or cold sauces, ketchups, and salad dressings.
Chemical & Household Packaging
Suitable for non-corrosive liquid detergents, liquid soaps, and industrial fluid formulations.
Key System Components
Volumetric Dosing Unit: Employs ground precision cylinders and seals engineered for high repeatable dosing accuracy.
Sanitary Contact Surfaces
All fluid contact zones feature polished food-grade stainless steel and PTFE seals for rapid clean-in-place processing.
Central PLC Controller: Coordinates mechanical movements, filling strokes, pouch feeding, and code stamping synchronously.
Preformed Bag Station: Includes vacuum pouch openers, mechanical grippers, and thermal sealing bars synchronized with the filling cycle.
Quality Assurance & Testing
Dosing Repeatability
Precision-machined stroke controls maintain strict volume consistency across long production runs.
Material Compatibility
Gaskets, O-rings, and valves are selected based on chemical exposure, temperature limits, and fluid abrasion.
Dosing Repeatability
Precision-machined stroke controls maintain strict volume consistency across long production runs.
Material Compatibility
Gaskets, O-rings, and valves are selected based on chemical exposure, temperature limits, and fluid abrasion.
Operating Conditions
This system fits production environments requiring:
- Automated dosing and pouch filling for liquids or sauces
- High volumetric consistency across large batches
- Integrated pouch opening, filling, date coding, and counting
- Stainless steel machinery compliant with sanitation standards
- Reduced manual labor in primary packaging operations
Specifications Required for Quotation
To configure the correct machine setup, provide the following parameters:
Product Characteristics: Fluid name, viscosity (cP), operating temperature (°C), presence of solids/particulates
Fill Targets: Required fill volume (mL or g), fill tolerance, target output per hour
Pouch Details: Bag type, flat dimensions (width x length), seal type, material structure
Facility Utility: Available electric voltage, phase, frequency, compressed air supply pressure
Custom Configuration Process
Liquid filling performance relies on the physical properties of the liquid, target fill weight, and pouch geometry. Selecting machinery solely on nominal speed ratings can result in splashing, inaccurate fills, or poor pouch seals.
Technical evaluation begins with analyzing physical fluid samples and pouch materials. Pump size, valve type, nozzle design, and sealing jaws are then customized to meet exact production requirements.
FAQ
Q: What types of liquids and sauces can this machine process?
A: The system processes water-like fluids, vegetable oils, viscous condiments, and heavy pastes containing fine particulates. Fluid viscosity and temperature dictate the specific pump selection.
Q: How is filling volume adjusted for different package sizes?
A: Fill volume adjusts via the touchscreen PLC interface or by mechanical stroke adjustment on the dosing cylinder, allowing precise adjustments across different batch runs.
Q: Is this system compatible with premade stand-up pouches?
A: Yes. The mechanical pouch feeder and vacuum opening station handle various preformed bag types, including flat pouches and stand-up zipper bags.
Q: What parameters determine production output speed?
A: Output speed depends on product viscosity, foam characteristics during fill, total target volume per bag, bag dimensions, and operator loading speed.
Q: How are product contact parts cleaned during batch changes?
A: Fluid contact lines feature tri-clamp sanitary connections that disassemble without tools for manual washdown, or integrate with automated clean-in-place systems.
