FFS-1200 Heavy Packaging

The three-layer co extrusion rotary composite film unit consists of one φ 65/32 extruder, two φ 55/32 extruders, and BL1200 auxiliary machine. The horizontal rotary traction system can extrude high and low pressure polyethylene, linear low-density polyethylene, metallocene polyethylene, and other similar or different materials through a composite head to form a three-layer composite film, greatly improving the physical properties of the film, increasing its strength, and making the film have good barrier properties, airtightness, heat sealing performance, and printing performance. Special FFS heavy packaging outer packaging.

1、 The overall performance characteristics of the machine are as follows:

1. The host, tractor, rotating and cooling fans, etc. adopt variable frequency speed regulation for energy saving and low noise;

2. The non dismantling quick change filter device adopts a new structure to ensure reliability;

3. The rotating device rotates back and forth approximately 360 degrees with upward traction;

4. The blown film structure of the mold head is: A/B/C;

5. It is convenient to configure various sub extruders to produce a certain layer of film;  

6. The unit is equipped with functional components such as an air expansion winding shaft, a length alarm device, longitudinal section, edge section, and blowing edge devices, and a thin film flattening device; It is also equipped with melt pressure gauges, etc;

7. Can produce films with a width of 700 to 1000mm;

The output of the whole machine depends on the combination and width of the film, and the output range is about 150 to 200kg per hour.

9. The entire machine is powered by an AC three-phase 380V power supply, and the control system uses a dedicated 220V power supply.

2、 Basic specifications of equipment

1. Product specifications: single-layer thickness of 0.04-0.20mm, width within 1000mm;

2. Product raw materials: LDPE, LLDPE/LDPE, EVA, MLLDPE, etc;

3. Product structure: A/B/C;

4. Product quality: 0.04-0.20, maximum deviation of film thickness ≤ ± 7%, and other indicators should meet the requirements of GB/T 4456-2008 for superior products.

5. Total installed power: approximately 170KW

6. Maximum output: 200 kg/h

7. Dimensions: (L × B × H) Approximately 9630 × 7000 × 1050

8. Machine weight: approximately 25t

3、 Technical composition of equipment:

The FFS-BL1200 new unit consists of three single screw extruders and BL1200 film auxiliary equipment. Adopting advanced technologies such as three-layer co extrusion internal cooling composite die, horizontal rotating traction, film bubble internal cooling system, melt pressure sensing, automatic ultrasonic correction, and automatic constant tension control.

4、 Equipment configuration

1. Single screw plastic extruder (3 sets in total)

1.1 Screw: Screw diameter of 55mm; Length to diameter ratio: 32:1; Material: 38CrMoAlA; (2 sets)

Screw diameter is 65mm; Length to diameter ratio: 32:1; Material: 38CrMoAlA; (1 set)

1.2 Screw speed: 15-110r/min

1.3 Barrel: Barrel heating: three-stage ceramic blade heat dissipation heating coil heating, stainless steel air duct cooling and temperature control, three main engines with a heating power of about 33kw;

Barrel cooling: first zone water-cooled, first, second, third, and fourth zone air-cooled;

1.4 Reducer: involute cylindrical helical gear, alloy steel, hard tooth surface precision grinding; The machine with a diameter of 55 uses a 180 speed reducer, while the machine with a diameter of 65 uses a 200 speed reducer;

1.5 Cooling type of reducer: forced water circulation cooling oil temperature;

1.6 Extruder main motor: frequency conversion speed regulation (Huichuan frequency converter), power 30kw x 2 units;   

Variable frequency speed regulation (Huichuan frequency converter), power 45kw x 1 unit;

Add melt pressure and temperature sensing devices (3 sets in total) before the 1.7 filter screen;

2. Filter device

2.1 Three sets of manual quick change filter screen devices with a heating power of approximately 17kw;

2.1 Three layer co extrusion die head

2.2 Basic structural type: center feeding three-layer co extrusion internal cooling spiral die structure;

2.3 Mold head material: Made of high-quality 42Cr mold steel;

2.4 Processing method: CNC machining using a 5-axis machining center;

2.5 Molds: 1 set of molds with a diameter of 200 and a gap of 2.3; The roughness reaches 0.4 (mirror surface);

2.6 Head heating: ceramic heater with a power of about 29KW;

3. IBC membrane bubble internal cooling system

3.1 Structural type: Ultrasonic closed-loop servo control;

3.2 Control section: Adopting Huichuan PLC series products and Huichuan frequency converters;

3.3 Display section: Adopting a 10.4-inch screen;

3.4 Membrane bubble monitoring and detection components: 3 German ultrasonic detection probes;

3.5 Membrane Bubble Inlet and Exhaust Fan 5.5KW (2 sets in total) Speed Control: Variable Frequency Speed Control (Huichuan frequency converter);

4. Online thickness gauge+fully automatic adjustable dual vent air ring

4.1 Material: Cast aluminum;

4.2 Fan power: 15kw;

4.3 Fan speed regulation: Variable frequency speed regulation (Huichuan frequency converter);

5. Bubble stabilizer

5.1 Structural type: electrically adjustable opening and closing foam stabilizer;

5.2 Rolling guide sleeve can minimize damage to the membrane;

5.3 Rotating Traction System

5.4 Structural Type: Horizontal rotation of approximately ± 360 º;

5.5 Rotating motor: 0.75KW variable frequency speed regulation (Huichuan frequency converter);

5.6 First traction motor: variable frequency speed regulation (Huichuan frequency converter);

5.7 First traction roller clamping method: pneumatic clamping device;

5.8 The herringbone clamp device rotates synchronously;

6. Herringbone clamp device

6.1 Aluminum alloy rolling herringbone plate;

6.2 Adjustment method: Electric adjustment.

6.3 Coiling device

6.4 Rolling method: Dual station horizontal friction type winding machine (automatic flying knife cutting film, automatic coil changing, cylinder unloading);

6.5 Second traction motor: 1.5KW variable frequency speed regulation (Huichuan frequency converter);

6.6 Second traction roller clamping method: pneumatic clamping device;

6.7 Maximum winding width: 1000mm; maximum winding diameter: 1200mm;

6.8 Central Device: Servo Motor (Huichuan) 2KW

6.9 Winder motor: 1.5KW variable frequency speed regulation (Huichuan frequency converter);

6.10 Equipped with meter alarm device;

6.11 Roll up shaft: Two 6-inch inflatable roll up shafts;

7. Traction rack

7.1 Square integrated traction frame, equipped with three-layer inclined ladder and guide rollers for printing machine.

7.2 Electrical control system 1 set

7.3 The internal cooling part is controlled by a computer (using Huichuan products)

7.4 The control part adopts Huichuan PLC series products and uses high-speed CPU units (266MHz main frequency) to achieve a cycle time of less than 2 milliseconds for each closed-loop control;

The 7.5 electrical control cabinet is divided into three units: the main power electrical control cabinet, the heating temperature control cabinet, and the human-machine interface control cabinet (vertical):

⑴ Power main cabinet for controlling and displaying the current, frequency, and melt pressure of the main motor;

⑵ Heating and temperature control main cabinet for controlling and displaying extruder, quick change, and die temperature;  

Control and display the human-machine interface control cabinet for internal cooling.

7.6 Host temperature control: Solid state relay (SSR) and Huibang digital intelligent temperature controller are used, and all digital ammeters are equipped with transformers.

7.7 Correction device: Ultrasonic correction;

7.8 Circuit breakers and switches are equipped with domestic Delixi brand companies.

5、 Other projects:

1. Three extruders are equipped with 400 microcomputer automatic suction machines (a total of three sets)

2. Install one set of Nantong Sanxin CW-3008 double-sided corona treatment machine (excluding ozone exhaust fan and pipeline, please solve it locally)

3. Electric cabinet, mold head, guide roller, extruder, coiler, wooden pallet packaging (frame does not need to be packaged in wooden boxes);

4. Configure a 20 horsepower air cooler.

5. Vector control of extrusion flow rate for material weighing, precise control of material ratio for each layer, and control of product weight.

6. 360 degree online scanning thickness gauge+automatic air ring to control film thickness deviation.

6、 Supporting facilities for the demand side:

1. Power supply: three-phase, AC 380V+/-10%, 50Hz+/-5%, distribution cabinet and connecting cables;

2. Welding machines and consumables, metal cutting equipment and consumables, standard parts and necessary materials, tools, measuring tools, etc. on site;

3. Cooling water: clean soft water, pressure 3kg/cm ², total water consumption: 10 tons/hour (recyclable);

4. Compressed air: exceeding 6kg/cm ², clean and dry, total air consumption: 0.5 cubic meters per minute;