Model 1224 Fully Automatic Water-based Ink Printing Rotary Die-cutting Machine

Machine Functions and Technical Specifications

Feeding Section

1. Machine Console:

1. The electric control console includes an alarm bell system (disconnectable alarm circuit plug) that continuously alerts during operation to ensure operator safety.
2. Equipped with a pneumatic interlock device.
3. The main motor adopts a variable-frequency converter for stable, energy-saving operation with automatic smooth start-up and overload protection.

2. Front Feeding System:

1. Uses 7.5 kW suction-assist air feeding; adjustable according to cardboard curvature for smooth paper feeding.
2. Equipped with a paper aligning device; utilizes front gauge positioning with pneumatic clamping for strong hold.
3. Rear stack feeding is automatic; rear box is electrically adjustable.
4. Brush roller system assists in feeding and cleaning.
5. Side positioning device ensures alignment during continuous box feeding.
6. Chain-type elevator feeding section (displays paper quantity, count, and position).

3. Dust Removal Device:

1. The feeding section uses an anti-static dust removal brush system that effectively cleans debris from the cardboard printing surface, improving print quality.

4. Paper Ejection Section:

1. Pneumatic kicker system for sheet separation with precise positioning, avoiding wasted paper.
2. Electrically controlled timing adjustment available.

5. Electronic Control:

1. Main motor with frequency inverter saves up to 30% power consumption.
2. Dedicated drive control for smoother performance.
3. Machine equipped with an automatic return-to-zero system for easy color registration adjustment.

Printing Section (1–4 Color Options)

1. Printing Roller:
   • Outer diameter: 395 mm (with plate 410 mm)
   • Made of steel, surface polished and hard-chromed
   • Dynamically balanced for stable rotation
   • Quick-lock plate system with 9 mm plate bar
   • Pneumatic plate lift with automatic plate reset function
2. Transfer Rollers (Up/Down):
   • Upper roller φ 86 mm with dual paper rollers
   • Lower roller φ 140 mm, both polished and chromed
   • Pressure gap adjustable 0–12 mm
3. Anilox Roller:
   • Diameter φ 180 mm (selectable options: 180, 200, 220, 240, 260 mm)
   • Made of steel, surface polished and chromed
   • Dynamic balance for uniform ink transfer
   • Manual ink volume adjustment system
4. Rubber Roller:
   • Diameter φ 180 mm, rubber-coated for even pressure
   • Hardness 60–65 shore
   • High-efficiency ink delivery and wear resistance
5. Ink Circulation System:
   • Pneumatic or electric pump for ink supply; easy cleaning and maintenance
   • Circulating filtration system to prevent sedimentation
6. Oil Supply System:
   • Mechanical oil pump
   • Circulating lubrication for bearings to ensure even oil balance

Die-Cutting Section

1. Lower Die Cylinder:
   • Diameter φ 360 mm (excluding die)
   • Steel structure, surface polished and hard-chromed
   • Balanced for stable high-speed rotation
   • Slot size 50 mm × 50 mm; suitable knife thickness 25.4 mm
   • Die thickness: 16 mm (3-ply board), 13–15 mm (5-ply board)
2. Upper Rubber Roller:
   • Diameter φ 388.9 mm, width 250 mm
   • Rubber thickness 8 mm (outer diameter φ 404.9 mm)
   • Made of cast steel, hard-chromed surface
   • Manual gap adjustment with durability-optimized rubber cushion
3. Repair & Polishing Device:
   • 40 mm automatic grinding device improves precision and extends roller life.
   • Enhances rubber roller repeat performance with durability up to 3–4 times increase.
   • Option for automatic lifting and separation to prolong rubber life.
4. Die-Free Box Cutting Feature:
   • Performs both slotted and full-cut functions without requiring die replacement.
   • Quick 12 min automatic die-change system enhances productivity.

Gear Transmission Section

1. Made of 40Cr alloy steel, precision ground, hardened, and carburized.
2. Hardness HRC 55–60 ensures long life and low noise.
3. Each transmission component uses keyless coupling with expansion sleeves to eliminate clearance for stable performance.

Oil Supply System

1. Dual mechanical oil pump.
2. Circulating lubrication ensures balanced oil level per assembly.
3. Advanced splash or pressure oil system extends transmission life.

Technical Parameters