Hot Melt Glue Case Sealer
hot melt glue case sealer
Fully automated case erecting, packing, and sealing line with robotic L-bar technology-erects, packs, and seals up to 25 cases/min with precision hot-melt adhesive.
Technical Parameters
| Parameter | Specification |
|---|---|
| Model | Robotic L-Bar Case Erector / Packer / Sealer |
| Production Speed | 6 – 25 cases/min (model dependent) |
| Case Size Range (L×W×H) | Min: 150×120×80mm – Max: 600×500×500mm |
| Product Packing Pattern | Single / multiple layers; collated or bulk |
| Hot Melt Glue Unit | Integrated tank, 3–18 kg/h capacity, 150–220℃ operating temp |
| Glue Application | Extrusion / spray nozzles with adjustable volume |
| Voltage | 380V / 50Hz, 3 Phase |
| Installed Power | 5 – 12 KW (depends on configuration) |
| Air Pressure | 0.5 – 0.7 MPa |
| Control System | PLC + 10" HMI touch screen with recipe storage |
| Machine Weight | 800 – 2500 kg |
| Machine Dimensions (L×W×H) | 3500×2200×2200mm – 6000×3000×2500mm |
Product Features
Robotic L-Bar Precision
The servo-driven L-bar mechanism gently guides products into cases without crushing or misalignment-critical for delicate items like bottles, electronics, and food trays. The robotic motion also ensures consistent case squareness, which improves sealing quality and stackability.
Hot Melt Glue-Superior to Tape
Hot melt adhesive creates a permanent, tamper-evident bond that resists moisture, heat, and rough handling during shipping. Unlike tape:
No peeling or adhesive failure
No tape waste or disposal cost
Clean, professional appearance-no visible tape strips
Quick Changeover for Production Flexibility
Stores up to 99 case size recipes on the touch screen. Changeover between sizes takes under 5 minutes with tool-less adjustments-perfect for co-packers and e-commerce operations with frequent SKU changes.
One Machine-Three Operations-One Operator
Unlike traditional lines that require separate erectors, packers, and sealers-each needing its own operator-our L-bar robotic system integrates all three functions:
Erects flat blanks into open cases
Packs products via robotic L-bar motion
Seals with hot melt glue for permanent closure
Result: 40% less floor space, 60% fewer operators, and dramatically lower capital cost.
Product Applications
| Industry | Specific Products |
|---|---|
| Food & Beverage | Canned goods, bottled beverages, snack boxes, frozen food cartons |
| Pharmaceuticals | Medicine cartons, medical device kits, blister packs |
| Electronics | Consumer electronics, components, appliance packaging |
| E-Commerce Fulfillment | Mixed SKU packing, subscription boxes, retail shipments |
| Automotive | Small parts, accessories, aftermarket components |
| Cosmetics & Personal Care | Beauty product cartons, gift sets, premium packaging |
Product Components
| Component | Function |
|---|---|
| Robotic L-Bar Packing System | Servo-driven robotic arm for product collation and case loading |
| Case Magazine & Erector | Holds 200+ flat blanks; pneumatic suction erector with automatic squaring |
| Hot Melt Glue Unit | Integrated melting tank with temperature control and adjustable nozzles |
| PLC + 10" HMI Touch Screen | Full control with 99 recipe storage for quick changeovers |
| Product Infeed Conveyor | Indexing belt or roller conveyor synchronized with packing cycle |
| Case Sealing Section | Compression rollers and glue application heads for top/bottom flap sealing |
| Outfeed Conveyor | Transfers sealed cases to palletizing or warehouse line |
| Safety System | Light curtains, emergency stops, and guarded access panels |
Packaging & Transportation
Packaging: Heavy-duty wooden crate with anti-vibration padding and desiccant
Shipping: FOB China port; door-to-door available upon request
Lead Time: 45–60 working days (custom configurations may extend)
Usage Precautions
Use only hot melt adhesive compatible with the machine and carton material.
Check the adhesive's recommended melting temperature before operation.
Never touch the heated glue tank, hose, glue gun, or nozzle during operation.
Wear appropriate protective equipment when handling hot melt adhesive.
Make sure cartons are correctly positioned before entering the sealing section.
Adjust the carton guides according to the case dimensions.
Do not exceed the recommended carton size or machine speed.
Check the glue application pattern before starting mass production.
Clean the glue nozzle regularly to prevent adhesive buildup.
Keep the conveyor and feeding system free from paper scraps and dust.
Check glue level and temperature during continuous production.
Switch off the heating system and allow the machine to cool before maintenance.
Keep the machine away from water and excessive moisture.
Follow the adhesive manufacturer's technical recommendations.
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