LANTU PACKAGING MACHINERY
Automatic Flat-Surface Labelers
Start with your product dimensions, sealing requirements, and production goals. Discuss an automatic flat surface labeling configuration for your packing speed and workflow with Lantu.</p >
- Define product shapes (flat bottles, square boxes, cards, pouch top surfaces), label dimensions, and target labeling speeds.
- Match flat surface labeling hosts with top hold-down belts or side positioning units to your product conveying stability.
- Review object/label photoelectric sensors, integrated hot-stamping/inkjet coders, missing-label rejection, and seamless integration with upstream and downstream conveyor lines.
Tell us what you pack. We’ll help you discuss a suitable equipment configuration.
EQUIPMENT OVERVIEW
Product details & configuration
Say Goodbye to Slow Manual Labeling, Bubbles & Misalignment, Incompatibility, and High Labor Costs: Experience Instant, Precision-Smooth Flat Labeling
The Fully Automatic Flat Surface Labeling Machine (integrating automatic bottle/box separation $\rightarrow$ precise photoelectric object sensing $\rightarrow$ high-speed servo label dispensing & smoothing $\rightarrow$ smart no-object no-labeling / missing-label alarm $\rightarrow$ smooth finished product output) is an industrial-grade high-precision automation assistant engineered to solve packaging pain points such as slow manual labeling, inconsistent placement, air bubbles and wrinkles, poor adhesion, and labeling difficulties on flat/irregular containers.
LANTU Machinery introduces an integrated fully automatic flat labeling solution. Equipped with microcomputer control (PLC + touchscreen) and a high-precision servo motor-driven label dispensing system, supported by four core automated stations (1. Conveying & separation positioning $\rightarrow$ 2. Photoelectric sensing $\rightarrow$ 3. Servo dispensing & instant labeling $\rightarrow$ 4. Flexible press-smoothing), it operates like a high-speed labeling expert with extreme precision. Whether for flat bottles, square bottles, round bottle arcs, paper boxes, bags, books, or top/side labeling on lids and cartons, it achieves high speed and precision across the board—ensuring zero bubbles, zero wrinkles, exact alignment, and unattended fully automated operation.
As a source packaging machinery manufacturer, LANTU Machinery has designed this complex automated labeling process—covering photoelectric object sensing, servo label pulling, edge peeling, and surface smoothing—to be as simple as operating a smartphone. Operators only need to configure labeling speed and label length with one touch on the central HMI touchscreen. As items move along the conveyor past the labeling head, the machine automatically completes precision labeling. Accommodating a wide range of sizes (product widths from 20mm to 300mm, label lengths from 10mm to 250mm), it significantly reduces labor intensity, helping factories save labor, time, and money.
Choosing a reputable source manufacturer is crucial for your return on investment. LANTU Machinery’s mature servo label-pulling control and high-precision peeling structure, combined with highly reliable engineering, ensure your entire packaging line operates in a high-efficiency closed loop with zero breakdowns.
Core Components and Three System Safeguards (LANTU Precision Parts)
Our fully automatic flat labeling machines are fully equipped with industry-leading core components, ensuring high quality, zero defects, and an ultra-long operational lifespan from the ground up.
1. Servo-Driven Label Dispensing & Peeling System
High-Precision Servo Dispensing Motor: Utilizes a high-response servo motor to control label feed speed smoothly and precisely, maintaining repeat accuracy within ±1.0mm without snapping backing paper.
Ultra-Smooth Peeling Plate & Pulling Mechanism: Features micro-adjustable peeling angles for clean label detachment, paired with emery-coated traction rollers that offer high friction without slipping during heavy-duty operation.
Microcomputer Label Sensor Photoelectric: Uses imported optical label sensors for opaque or transparent labels, detecting label gaps with zero-delay signal response to eliminate multi-feeding or missed feeds.
2. Multi-Functional Positioning & Flexible Pressing System
Smart Separation / Spacing Mechanism: Uses separation wheels or indexing plates to space out dense streams of incoming products, preventing double-labeling or missed items.
Multi-Axis Universal Adjuster: The labeling head supports 6-axis micro-adjustments (X, Y, Z, and angle orientation), easily adapting to sloped surfaces, recessed areas, and varying product thicknesses.
Flexible Sponge / Brush Smoothing Rollers: Equipped with high-elasticity sponge wheels or high-density brushes to perform a second roll-smoothing pass, expelling air bubbles and ensuring labels adhere smoothly without curling edges.
3. Central Intelligent Control and Safety Protection System
Siemens / Mitsubishi PLC Central Control: Industrial CPU enables real-time synchronization with memory storage for dozens of labeling parameters, allowing one-touch recall during line changeovers.
Smart Sensing & Missed-Label Alarms: Features “no object, no label” automatic sensing, with options for label-exhaustion alarms, broken-web alarms, and automatic rejection devices for missing labels to guarantee 100% compliant factory output.
Integrated Pneumatic Coder / Inkjet Printer (Optional): Can be fitted with a hot-stamping foil coder or inkjet printer next to the labeling head to print production dates, batch numbers, and QR codes simultaneously with labeling.
Technical Specifications
| Technical Parameter | LT-TB-100 (Standard Automatic Flat Labeler) | LT-TB-200 (High-Speed Servo Flat/Side Labeling Station) |
| Labeling Speed | 40 – 120 pcs/min (Depends on product & label length) | 80 – 200+ pcs/min (High-response servo continuous labeling) |
| Labeling Accuracy | $\pm 1.0\text{ mm}$ (Eliminates bubbles, wrinkles & tilt) | $\pm 0.5 – \pm 1.0\text{ mm}$ (Precision closed-loop servo control) |
| Applicable Object | Width: 20–200 mm / Length: 30–300 mm / Thick: 2–150 mm | Width: 20–300 mm / Length: 30–400 mm / Thick: 2–200 mm |
| Applicable Label | Web Width: 15–150 mm / Length: 10–200 mm | Web Width: 15–200 mm / Length: 10–250 mm (Customizable) |
| Label Roll Spec. | Inner Dia: $\Phi 76\text{ mm}$ / Outer Dia: $\le \Phi 350\text{ mm}$ | Inner Dia: $\Phi 76\text{ mm}$ / Outer Dia: $\le \Phi 400\text{ mm}$ |
| Dispensing Drive | Stepper Motor / Servo Drive System | High-Speed Delta/Panasonic Servo + Anti-slip emery roller |
| Sensors (Object/Label) | Fiber Optic Object Sensor + Standard Gap Label Sensor | Imported Sensors (Optional capacitive/ultrasonic for clear labels) |
| Pressing Mechanism | Flexible Sponge Wheel + High-density Antistatic Brush | Pneumatic Tamp/Press + Flexible Rollers (For curved surfaces) |
| Control System | Industrial PLC + 7″ Color HMI Touchscreen | PLC Control + 10″ Touchscreen (50+ Recipe Memory) |
| Head Adjustment | X/Y/Z 3-Axis Handwheel Tuning (Top labeling) | 6-Axis Universal Adjustment (Top, Bottom, Side labeling) |
| Optional Modules | Ribbon Date Coder (For lot/exp date printing) | Inkjet Printer, Vision Inspection System, Auto Rejection Unit |
| Power & Air Supply | AC 220V / 50Hz / 0.8 kW (No air required normally) | AC 220V / 50Hz / 1.5 kW (Air: 0.4–0.6 MPa if tamp/reject used) |
| Material & Structure | SUS304 Stainless Steel + Anodized Aluminum Alloy | Full SUS304 Stainless Steel / Optional Enclosed Safety Hood |
| Changeover Time | $\le 10$ mins (Scale handwheel tuning, tool-free) | $\le 5$ mins (One-key recipe recall + scale positioning) |
| Integrated Line Options | Capping Machine, Sealing Machine, Feeder, Conveyor | Bottle Unscrambler, Filling Line, Checkweigher, Case Packer |
Note: Actual labeling speed and accuracy depend on product surface flatness, label material (paper/clear film), and conveyor speed. Top, bottom, double-sided, and custom curved surface labeling stations are available upon request.
Workflow Breakdown
[Items enter conveyor belt]
↓
[Separation mechanism spaces items out]
↓
[Object sensor detects incoming item]
↓
[Servo labeling head activates, label peels and adheres to flat surface]
↓
[Sponge wheel / brush press-smoothes label (expels air bubbles)]
↓
[Smooth, precisely labeled product output]
Scope of Application & Product Types Guide
To assist in precise model selection, LANTU Machinery’s fully automatic flat labeling machines are widely used across various industries and product types:
| Industry Sector | Typical Applicable Products | Label Placement |
| Food / Daily Chemicals | Flat shampoo bottles, detergent jugs, square sauce tubs, wet wipe pouches | Top face labeling, single side labeling, double side labeling |
| Pharma / Health Supplements | Medicine carton tops, blister packs, face mask pouches, square supplement bottles | Top anti-counterfeiting labels, side tamper-evident seals |
| Electronics / Hardware | Smartphone boxes, SD card sleeves, shipping cartons, circuit board plastic housings | Top surface labels, tamper seals, barcode labels |
| Stationery / Printing | Notebooks, document pouches, flat books, cards | Front cover labeling, back cover labeling |
3 Reasons to Choose LANTU Machinery Labeling Equipment
When investing in automated packaging machinery, labeling accuracy, low breakdown rate, and rapid changeover are key indicators. LANTU Machinery is committed to making every machine delivered “plug-and-play and built to last.”
High-Precision Positioning & Bubble-Free Adhesion: Servo control combined with flexible press-smoothing completely eliminates traditional labeling defects such as bubbles, misalignment, creases, and curling edges.
Comprehensive Pre-Shipment Live Testing: Before leaving the factory, every machine undergoes extensive continuous label-running tests across high, medium, and low speeds with various item materials to completely eliminate jamming and missed labels.
5-10 Minute Rapid Changeover: Handwheel height/width adjustments with calibrated scales allow fast alignment between labeling heads and conveyors, drastically reducing line downtime for high-mix, low-volume production.
What Factors Should You Consider When Purchasing?
Label Placement & Product Shape: Is the label applied to the top surface, bottom surface, single side, or double sides? Is the item rigid (e.g., boxes, flat bottles) or flexible (e.g., pouches, films)?
Label Material & Dimensions: Is the label paper self-adhesive, clear plastic (PET/PP), or metallic foil? (Clear labels require a specialized capacitive or ultrasonic label sensor).
Target Capacity (items per min):
30–60 items/min: Standard single-head flat surface labeling machine;
60–150 items/min: High-speed servo flat surface labeling machine;
Upstream/Downstream Line Integration: Do you need to interface with upstream filling/capping/sealing machinery or downstream cartoning/case-packing machinery?
Frequently Asked Questions (FAQ)
Q1: Can one flat surface labeling machine accommodate different product sizes and label dimensions?
Answer: Absolutely. The machine features a multi-axis handwheel adjustment system. Switching to a different product size only requires turning handwheels to adjust guide rail widths and labeling head height, while changing label sizes takes just adjusting dispensing length and sensor positions on the touchscreen, taking only 5 to 10 minutes.
Q2: Can this machine handle clear/transparent self-adhesive labels?
Answer: Yes, but it requires an optional transparent-label sensor. Standard optical sensors detect label gaps using light transmittance, whereas transparent labels require capacitive or ultrasonic label sensors. LANTU Machinery can pre-configure the appropriate sensor prior to shipment based on your label samples.
Q3: Will labeling create bubbles if the product surface is slightly recessed or curved?
Answer: No. Depending on surface recessions or curvature, we can outfit the labeling head with a pneumatic top-tamping mechanism or soft high-elasticity sponge press rollers. This ensures the label adheres evenly from the center outward, conforming smoothly to surface contours without trapping air bubbles.
Contact the source manufacturer today to get your custom fully automatic flat surface labeling machine solution!
LANTU Machinery — Dedicated to Packaging Equipment Manufacturing with Factory-Direct Quality Assurance.
Let’s discuss your packaging requirements.
Share your product, packaging format and production goals. Contact Lantu to discuss a suitable equipment configuration.