Say Goodbye to Traditional Mechanical Adjustment Troubleshooting: Experience Ultra-Fast Smart Packaging for Regular and Irregular Solid Products

The 3-Servo High-Speed Pillow Packaging Machine (TCZB-350X Series) is an industrial-grade intelligent equipment designed specifically to solve common factory packaging pain points—such as slow material changeover, high film waste from empty bags, accidental cutting of varying-length materials, and speed limitations for block and irregular products.

LANTU Machinery introduces the TCZB-350X Series (Standard / Inverted Heavy-Duty Three-Servo Pillow Packaging Unit). Replacing traditional mechanical chain drives and gearboxes, this system adopts a full three-axis servo smart drive (infeed servo, film-feeding servo, and end-sealing cutter servo), integrated with photo-electric automatic anti-cutting and anti-empty bag sensing systems. Acting like an automated packaging expert with sharp vision and ultra-fast reaction, it automatically senses material lengths, offers stepless speed adjustment, accurately aligns color marks, and delivers tight, neat seals for regular products (pastries, medicine boxes, hardware parts) as well as irregular or multi-item packs (vegetables, toys, combo kits). The result: zero empty bags, zero material miscutting, tight sealing, and ultra-fast output.

As a direct-factory packaging machinery manufacturer, LANTU Machinery has simplified the pillow-packaging process—which previously required experienced technicians to adjust manually—making it as easy as operating a smartphone. Operators simply enter the product length or activate the “Anti-Empty Bag / Length Sensing” mode on the PLC touchscreen and place materials onto the infeed conveyor chain. The machine automatically completes precise film feeding, bag forming, longitudinal fin-sealing, end-cutting/sealing, and finished product discharging. Supporting film widths up to 350 mm and achieving packaging speeds of up to 200 packs/min, the TCZB-350X Series significantly boosts factory capacity and lowers operational costs.

Mature three-axis servo motion control technology combined with high-sensitivity photo-electric tracking ensures continuous, high-speed operation without jamming or film tearing.

Core Components & Three Primary System Safeguards (LANTU Precision Components)

The TCZB-350X Series is equipped with industrial-grade high-end core components across the entire line, ensuring stable and fault-free operation under continuous heavy workloads.

1. Three-Axis Servo Synchronous Drive & Precision Film Feeding System

Three-Axis Independent Servo Drive: The infeed conveyor, film feeding, and end-sealing cutter are each driven by an independent servo motor. All actions synchronize seamlessly along electronic gear curves, eliminating mechanical wear and cumulative error.

High-Sensitivity Photo-Electric Color Mark Tracking: Employs imported high-sensitivity photo-eyes to accurately capture printed color marks on the packaging film, achieving zero-deviation pattern registration and cutter alignment.

Cantilevered Roll Shaft & Tension Control: Equipped with air-expansion shafts and dual-frequency tension adjustment devices for quick film replacement, ensuring smooth, centered, and wrinkle-free film feeding during high-speed operation.

2. Smart Anti-Cutting & Anti-Empty Bag System

Material Auto-Sensing (Anti-Empty Bag Function): When no material is detected on the infeed belt, the film-feeding shaft and cutter automatically pause. Once material is detected, the system immediately resumes film feeding and sealing, completely eliminating empty bags and film waste.

Anti-Cutting Protection Device (Overlength/Displacement Sensing): Real-time sensing of material position prior to end-sealing. If material is misplaced or overlength, the cutter automatically yields and triggers an alarm/stop, completely preventing product damage and cutter blade breakage.

Continuous / Variable-Length Automatic Cutting: In conjunction with anti-cutting sensors, the system can achieve smart “cut-to-length” packaging for irregular products of varying lengths.

3. Intelligent Temperature Control & Safety Protection System

Independent PID Dual Temperature Control: The longitudinal sealing rollers and end-sealing cutter utilize independent PID smart temperature control with accuracy within $\pm 1^\circ\text{C}$, accommodating BOPP, PE, laminated films, aluminum foil films, and other heat-sealable materials.

User-Friendly PLC Touchscreen Interface: Features parameter memory storage for 50+ product presets. Changing production lines requires only a one-touch recall without re-entering parameters.

Anti-Scald Protection & Emergency Stop: The end-sealing area is equipped with a thickened transparent safety guard and magnetic safety switches that automatically stop the machine when opened, ensuring operator safety.

Technical Specifications

To meet the high-speed packaging needs of various factories for regular and irregular solid products (food, daily commodities, hardware, medical supplies, etc.), Lanto Machinery TCZB-350X Series offers two core configurations:

Note: Actual packaging speed depends on product dimensions, material type, film thickness, and cutter blade configuration (Single/Double/Triple blades). Custom engineering options are available upon request.

Complete Working Process

Material Placement: Manual loading or an automated conveyor feeds products onto the infeed chain pushers.

Photo-Electric Detection: The infeed sensor detects product size and arrival timing, triggering synchronous servo film feeding.

Forming Box Bag Generation: The packaging film passes through an adjustable former, forming a tubular shape wrapped tightly around the product.

Longitudinal Bottom Sealing: Bottom longitudinal sealing wheels apply continuous high pressure and heat to form a smooth bottom seal while pulling the film forward.

Color Mark Alignment & Anti-Cutting Verification: The servo system, guided by the photo-eye, adjusts the cut point with microsecond precision while verifying the cutter path is clear of obstructions.

End-Sealing & Cutting: Driven by the servo, the end-sealing cutter seals the front and rear ends while swiftly cutting the bag.

Finished Product Output: Packaged pillow packs are smoothly conveyed to the next stage via the discharge belt.

Target Materials & Application Scope

Thanks to its outstanding product flexibility and servo adaptability, the TCZB-350X Series is widely used across various industries:

1. Applicable Material Types

Regular Solid Blocks: Biscuits, bread, Sachima, ice cream, mooncakes, medicine boxes, daily chemical boxes, hardware parts, small switches, etc.

Irregular & Soft Solids: Fresh-cut vegetables, frozen seafood trays, long stationery items, toiletry kits, disposable tableware sets, multi-piece combination packs, etc.

2. Compatible Films & Bag Styles

Film Compatibility: BOPP/CPP, PT/PE, KOD/CPP, AL/PE (aluminum foil film), and other heat-sealable laminated films.

Standard Bag Styles: Standard back-sealed pillow bags, gusseted pillow bags (optional gusset device required), and hanging hole bags (optional punching device required).

5 Reasons to Choose LANTU Machinery 3-Servo Pillow Packaging Machines

Ultra-Fast & Film-Saving: Eliminates the problem where traditional mechanical models continuously dispense film without product. The “Anti-Empty Bag” feature saves factories thousands of dollars in film waste annually.

No Mechanical Phase Adjustment (3-Minute Changeover): Traditional machines require manual chain and cutter phase adjustments. The TCZB-350X allows single-touch bag length input on the touchscreen, dramatically reducing downtime.

Cutter & Blade Holder Protection: The smart anti-cutting mechanism prevents hard materials from striking the cutter, reducing equipment damage and maintenance costs.

Low Noise & High Stability: Direct servo motor drive eliminates bulky gear transmissions, keeping noise levels below 65 dB while enhancing structural durability.

Full Factory Pre-Delivery Testing: Every machine undergoes continuous high-, medium-, and low-speed testing using various film materials and real products before shipment, ensuring immediate plug-and-play productivity upon delivery.

Key Factors When Selecting the TCZB-350X Series

Product Dimensions (L $\times$ W $\times$ H):

Maximum Product Width + Height must be less than 150 mm (corresponding to the maximum 350 mm film width).

For taller or wider products, consider upgrading to the TCZB-450X or TCZB-600X wider-film models.

Top-Film vs. Bottom-Film (Standard vs. Inverted Type):

Standard Top-Film (TCZB-350X): Ideal for rigid, fixed-shape, regular solid items (e.g., biscuits, cards, medicine boxes).

Inverted Bottom-Film (TCZB-350XW): The film supports material from underneath, making it ideal for soft, sticky, loose, or highly irregular products (e.g., wet wipes, fresh meat, combo cutlery).

Optional Features & Accessories:

Date Coding / Printing: Optional ribbon coders, ink-roll coders, or Thermal Transfer Overprinters (TTO).

Gas Flushing / Alcohol Spraying: Ideal for preserving bread and baked goods.

Gusseting & Hole Punching: Optional gusset devices, euro-hole, or round-hole punchers.

Frequently Asked Questions (FAQ)

Q1: What is the difference between a 3-Servo machine and Dual-Servo or Single-Frequency models?

Answer: Single/dual-frequency models still rely on mechanical components (gearboxes or chains), requiring manual adjustments for bag length, and cannot achieve complete anti-empty bag or smart anti-cutting protection. The 3-Servo model digitizes infeed, film feeding, and cutting completely. It reacts instantly, prevents film feeding without material, automatically recognizes product lengths, and prevents miscutting—offering far simpler operation and significant film savings.

Q2: Can it package products with irregular shapes or slight length variations?

Answer: Absolutely. The TCZB-350X features a photo-electric automatic sensing system that supports “Variable Length / Anti-Cutting” mode. The machine dynamically controls the servo cutter based on actual product lengths scanned by the photo-eye, sealing each item to its exact length without burning or damaging the product.

Q3: Is the machine easy for operators to learn and use?

Answer: Very simple. The machine is equipped with an intuitive PLC touchscreen supporting multi-language settings and storing multiple product presets. General operators can master basic operation within 10 minutes of training.