A tomato sauce packaging machine is an automatic packaging device designed for liquid, semi-liquid, or viscous materials (e.g., tomato sauce, jam, shampoo) and is widely used in the food, household chemical, and pharmaceutical industries. Its core functions include metering, bag forming, filling, sealing, coding, and cutting, enabling fully automatic operation. It supports multiple packaging formats (e.g., four-side seal, three-side seal, back-seal bag, Doypack pouch) and allows adjustment of fill volume, bag dimensions, and packaging speed.
Principles and Working Process
The machine operates through a Smart PLC control system and precision mechanical components. The main steps include:
- Feeding MaterialsTomato sauce is transferred by vacuum or gravity to the storage funnel, with optional agitation to prevent settling.
- Calibration and FillingHigh-precision pumps (diaphragm, peristaltic, or ceramic) ensure accuracy to within ±11% and can be adjusted for varying viscosities.
- Forming and Filling BagsThe servo motor forms the packaging film into bags, aligned by a photoelectric sensor; the material is injected via a pump.
- Sealing and CuttingMulti-stage thermal sealers (with independent temperature controls for horizontal and vertical seals) ensure an airtight seal; the cutting style (straight, zigzag, or continuous) varies depending on application.
- Encoding and OutputIntegrated coder prints batch date/number; finished products are dispatched, optionally with a scale or metal detector.
Technical and Performance Specifications
The main parameters vary by model, with the typical configuration as follows:
| Parameter | Specifications |
|---|---|
| Model | LTC-480Y/720Y/960Y, LTC8-260, LTC-Y4/Y6/Y8 |
| Speed | Single lane: 30–60 bags/min; Multiple lanes (4–12 lanes): up to 300 bags/min |
| Bag Dimensions | Length: 20–160 mm; Width: 25–260 mm (supports stands, nozzle pockets, etc.) |
| Table of Contents | 10ml-2500ml, customizable (e.g., 30-125ml, 500-2500ml) |
| Power & Energy | Voltage: 220V/380V; Power: 1.1-3.6KW; Air pressure: 0.6-0.8MPa |
| Control System | PLC + HMI touchscreen, bilingual interface, parameter storage, fault diagnostics |
| Materials & Hygiene | Stainless steel 304/316 contact parts, compliant with GMP and food-grade standards. |
Key Features:
- High AccuracyServo motor and PID temperature control ensure consistent filling and sealing.
- FlexibilityAdjustable bag length, multiple-lane configuration, and material compatibility (PE laminate, aluminum foil).
- Smart FunctionPhotoelectric alignment, auto-alarm system (temperature/pressure anomalies) minimizes downtime.
Price and Cost Factors
Prices vary significantly based on features:
- Basic ModelSemi-automatic single-channel machine: RMB 20,000–50,000.
- Full AutomationMulti-channel model (4–8 lanes): RMB 70,000–168,000.
- Highest AdaptationAseptic machine/brick type: RMB 200,000+.Main Cost DriversNumber of lanes, level of automation, materials and add-ons (e.g., metal detection).
Model Comparison and Selection Guide
| Model | Goodness | Badness | Application |
|---|---|---|---|
| Single-Pass Back-End Seal | Cost-effective, supports irregular shapes; stainless steel construction. | Low speed (30-60 bags/min) | Small groups, various types of bags (gift packs) |
| Multi-channel Auto | High efficiency (up to 300 bags/min), multi-lane parallel processing | High upfront cost, large footprint | Mass production (fast food supply chain) |
| Vertical Wrapper | Space-saving, gravity-assisted filling; suitable for small bags. | Limited to high-viscosity materials | Single-use retail packet (10 ml sachet) |
| Doypack machine | Nozzle design for usability; low material cost, customizable shape. | Mold adjustment is required. | Premium sauce, cosmetic samples |
| Can/Bottle Filler | Extending lifespan; integrating closures/labeling | Slower speed, complex maintenance | Family-sized tomato sauce, premium product |
| Aseptic Brick Wrapper | Preservative-free, ultra-long shelf life; optimized liquid tomato sauce. | High cost, technical complexity | Export of goods, requirements for an extended lifespan |
Selection Tips:
- Instant Food SectorPrioritize multi-channel machines for speed and uniformity.
- Premium/Consumer MarketChoose a canning machine or Doypack for aesthetics and convenience.
- Small-Scale FlexibilityChoose a single-pass or vertical model for a lower investment.
Industry and Innovation Trends
- Minimization5-20 ml single-use pouch for fast food/travel, reducing waste.
- Material AdvancementsBiodegradable film and aluminum laminate enhance freshness and sustainability.
- Smart TechnologyAI vision inspection, IoT remote monitoring for predictive maintenance.
- Integrated LineSeamless integration with filling, labeling, and palletizing systems.
By balancing production requirements, packaging formats, costs, and industry-specific needs, businesses can optimize tomato sauce packaging solutions, while continuous innovation drives efficiency, intelligence, and eco-friendliness.
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