This film extrusion coating laminating machine adopts a friendly human-machine interface operation. The extrusion coating lamination machine is mainly composed of an extruder unit, a coating (including oven) system, a molding system, two unwinding systems, and a winding system. The first unwinding system adopts a robot to automatically cut and change the roll without deceleration, and the winding adopts a double-axis double-station center-type winding form, which can automatically cut the roll without deceleration at high speed. The extrusion volume and traction (molding) line speed are automatically controlled by PLC synchronously; the whole set of equipment adopts imported PLC programmable controller, the whole machine is linked, and unwinding, winding, coating, extrusion, traction (molding), line speed, and meter are all digitally displayed.
Coating part
1. Barrel rod: φ90mm, aspect ratio: 35:1, material: base material is made of high-quality alloy steel (SACM645), the inner hole of the barrel is centrifugally cast, the base material is made of nickel-based alloy, the thickness of one side is about 2.5~3mm, the surface of the screw is sprayed with tungsten carbide alloy, the thickness of one side is about 1.5~2mm, with a special mixing section, good mixing effect, large discharge volume (new structure), more uniform plasticization and fewer crystal points, back pressure and melt temperature display, automatic feeding and drying device;
2. T-type elastic mold: new thin-edge mold, material: 1.2311A steel, tempered and chrome-plated, with good toughness and hardness, not easy to deform under frequent use at high temperature, internal heating, internal blocking;
3. Single-column fast screen changing device (Jingcheng Gudi);
4. The extruder reducer adopts a high-strength hard-toothed reducer with better airtightness and reliability, with the characteristics of large load-bearing capacity, low noise, long life, and stable transmission;
5. Digital intelligent temperature control system with solid-state relay;
6. Scope of application: extrusion and lamination of roll plastic soft film and aluminum foil (or roll plastic soft film);
7. Laminating raw material: extrusion-grade PE;
8. Effective width of laminating: 900-1300mm;
9. Laminating thickness: 0.010-0.035mm (single layer, depending on the actual material);
10. Laminating uniformity: error ±3% (single layer);
11. Peel strength: 3~5N/30mm (depending on the actual coating substrate);
12. The base of the extruder adopts a light rail base, which can move forward and backward. The base is stable, reliable and durable, and has a positioning device;
13. The heating of the material rod and barrel adopts a ceramic heating ring: a full set (Note: each zone is equipped with an ammeter and a leakage overload protection short circuit);
14. The mold heating adopts internal heating: a full set (Note: each zone is equipped with an ammeter and a leakage overload protection short circuit);
15. The corona treatment machine is equipped with automatic start and stop functions (one set);
16. Maximum extrusion volume :220kg/h (single group);
Gluing part (including oven system)
1. Coating method: direct coating with anilox roller;
2. The clutch of coating roller and coating roller adopts pneumatic control, which can make the pressure of roller uniform, thus ensuring smooth coating;
3. Oven heating method (electric heating), hot air is reused twice, energy saving, adopts segmented independent constant temperature hot air drying system (3 sections), equipped with electronic temperature measuring device, automatic temperature control, adjustable internal circulation exhaust device, strong air intake and exhaust wind force and can dry thoroughly.
4. Oven opening method: gas-top opening and closing, convenient for material stringing;
5. Coating thickness: determine the actual coating amount according to the coating anilox roller;
6. The guide roller in the oven is the active roller, and the transmission between the guide rollers is connected by a synchronous belt, and the vector frequency conversion control technology is adopted to achieve synchronization with the main machine;
7. Design mechanical speed: 0~150m/min (depending on the actual material);
First unwinding system
1. Independent tower double-arm double-station rotary frame;
2. The double unwinding shaft is independently and actively unwound by two AC vector motors;
3. Swing roller tension detection system and floating roller stabilization system;
4. PLC module tension closed-loop control can produce zero tension control, and can have stable output regardless of low speed or high speed;
5. Automatic positioning of the handover position of the electric rotary motor (controlled by a brake motor with a reduction box);
6. Photoelectric detection of the tape surface for automatic roll change;
7. With non-deceleration material receiving device and pre-drive function (automatic material cutting);
8. Cutting direction: upper cutting;
9. The material roll installation adopts air-top type, and the air shaft is loaded;
10. The correction system adopts a photoelectric correction device, correction stroke: ±150mm, correction accuracy ±0.5mm.
The second unwinding system adopts a double-axis double-station unwinding form. The tension adopts a magnetic powder brake (Sanhe Industrial Control) with a supporting tension control system (Taiwan), an electric inching correction mechanism, and a correction stroke of ±100mm;
Rewinding system
1. Independent tower-type double-arm double-station rotary frame;
2. The double rewinding shafts are independently and actively rewound by two AC vector motors;
3. Swing roller tension detection system and floating roller stabilization system;
4. PLC module tension closed-loop control, which can produce zero tension control, and can have stable output regardless of low speed or high speed;
5. Electric rotary motor automatic positioning at the handover position (controlled by a brake motor with a matching reducer);
6. Winding coil material pressing roller device;
7. With a high-speed non-deceleration material receiving device and pre-drive function (automatic cutting material);
8. Cutting direction: bottom cutting;
9. The material roll installation adopts air top type, and the air shaft is loaded.
Automatic metering for winding;
Maximum winding diameter of the first unwinding system is ø800mm, maximum winding diameter of the second unwinding system is ø600mm, and maximum winding diameter is ø800mm;
New smoke (exhaust) exhaust device;
Pneumatic unwinding shaft: 3 inches, pneumatic winding shaft: 3 inches;
Total installed capacity (electric box has good performance of rapid ventilation and heat dissipation): about 210kw, three-phase five-wire system, voltage 380V (within ±10%), frequency 50Hz (within ±5%);
Equipment dimensions (length × width × height): about 20000mm × 8600mm × 3200mm;
Total weight of equipment: about 40000kg.
Film coating film is widely used in many industries by coating a layer of film on the surface of the substrate, giving the substrate moisture-proof, waterproof, oil-resistant, anti-oxidation, and enhanced strength. The following are the main product applications of film coating film:
1. Food packaging
Such as milk powder, snacks, coffee and other packaging, providing moisture-proof and anti-oxidation functions to extend the shelf life.
2. Pharmaceutical packaging
Such as pharmaceutical packaging, especially aluminum foil packaging, can effectively protect pharmaceuticals from the influence of the external environment.
3. Electronic product packaging
used for moisture-proof and anti-static protection of electronic products such as batteries and chips.
4. Daily consumer goods packaging
Such as high-end packaging of cosmetics, cigarettes, alcohol, etc., to enhance the market appeal of products.
Industrial packaging: such as packaging of mechanical parts, metal materials, etc., to prevent moisture and oxidation damage.
Equipment main body seaworthy packaging, accessories wooden box packaging.
If the equipment is not too wide, only need 40-foot
open top cabinets. If the equipment is too wide, also need to add
flat cabinets.
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