food grade stretch film extrusion line

wooden packing or others

1000MM Automactic double-layer co-extrusion stretch film/plastic wrap machine

Ⅰ,Use:

This machine is used in the production of plastic LLDPE stretch film, stretch film and plastic wrap. The products are widely used in food preservation, commodity packaging, and bulk pallet packaging of bulk goods. It is a good substitute for heat shrinkable packaging film in transportation.

Ⅱ,Performance characteristics:

2.1, using several different grades of resin to produce self-adhesive single-sided adhesive stretch film, stretch film, the film has high tensile strength, puncture resistance and impact resistance;

2.2. The whole machine adopts full frequency conversion control, and the frequency conversion speed regulation is stable, efficient and low in energy consumption;

2.3. The product adopts a one-time molding process, and has a special edge material round-trip charging device, which can be used with the waste edge crusher;

2.4, automatic mechanical roll change, save labor, save time, no stop running, change the roll neatly.

Detailed parameter description: 

Ⅰ,Reducer: GB hardened gear reducer; two sets (low noise) (Guomao)

(1) Gear material: alloy steel

(2) The main process of the gear: high-frequency quenching of the tooth surface, fine grinding of the hard tooth surface by the gear grinding machine;

(3) Gearbox lubrication mode: forced oil pump loop lubrication;

(4) Gearbox cooling mode: forced water loop cooling oil temperature;

Ⅱ,Barrel screw

(1) Screw diameter: A75mm; B55 high-speed double alloy screw (Zhoushan Zhongsu)

(2) screw length to diameter ratio: 32:1;

(3) Maximum output: 70-120kg/h

(4) Product width: 1000mm 500x2m

(5) Size: 7600x300x3500mm

(6) Structure: shielding and mixing;

(7) Forced water circulation cooling device at the inlet port

(8) Material: screw surface alloy;

(9) Processing technology: forging, quenching and tempering, nitriding

 Ⅲ,Host extruder configuration

(1) Screw extrusion, A length 2400mm B.1650mm Zhejiang Zhongsu

(2) A host motor: 30KW B 15KW China Siemens (Bed)

(3) Motor speed regulation: frequency conversion speed regulation, A 30KW B15kw vector frequency conversion PIONEER frequency converter

(4) Power consumption: an average of 35 hours per hour

(4) Host feed port: high bucket;

(5) Feeding method: automatic suction;

(6) Automatic temperature control: 16;

(7) Intelligent digital display: Shanghai Yatai;

(8) Electrical configuration: Chint

(9) Heating method: cast aluminum heating coil;

(10) The heating shell is made of stainless steel safety cover;

(11) Heating installed power: >4kw;

(12) Filtration method: labyrinth structure;

IV,Extrusion die head

(1) Mold width: 1250mm double inner road (Zhejiang Zhongwei)

(2) Die structure: T type;

(3) Process principle: special design, using different shunts;

(4) Die material and processing: use high-quality steel, after quenching and tempering treatment, grinding the inner surface, polishing mirror surface treatment; lip opening 0.9mm, polishing accuracy: 0.02-0.04 (un), die flow surface hard chrome plating Treatment: 0.06-0.08 (un), hardness: 60-65Rockwello, thickness of chrome plating on the outer surface: 0.01-0.02mm. The width can be adjusted freely, and the temperature zone is increased to 7 segments, which ensures the temperature balance in the mold and makes it easier to adjust the uniformity.

(5) The outlet part of the machine head is vacuum atomized (making the film have better transparency)

(6) Left and right film seaming devices (to make the left and right films more stable)

V,Traction winder

(1) Stretch winding machine: electric walking, forward and backward;

(2) traction roller: using seamless steel pipe (surface plating mirror polishing);

(3)Cooling roller: special sandwich processing, circulating water cooling; diameter: 420x1250mm 4

(4) Traction speed: 50-150m/min;

(5) stretch film thickness: 0.0060.05mm;

(8) Driving power: 2.2KW;

(9) Drive speed: frequency control; Taiwan inverter

(10) Film flatness: After 360 degree adjustment by a 1.5 degree universal flattening roller;

(11) Change mode: high-precision drive system, fully automatic non-stop change; Delta PLC touch screen operation control

(12) Changing the cutting method: the invisible cutter is cut;

(13) The number of meters of the coil: digital meter, count, alarm;

(14) The edge material adopts an online independent traction device;

(15) Traction roller diameter: 420x1250mm

VI,Winding take device

(1) Winding take form: back pressure type friction winding take;

(2)rubber roller of winding take: It adopts high-quality rubber and special processing gas distribution tank (so that the film will be bubbled out during winding take).

Main parts: