PS fast food box line

This production line adopts double-screw foam sheet extrusion technology. PSP foam sheet is a kind of new-type packing material with the features of heat preservation, safety, sanitation and good plasticity. It’s mainly used to make various types of food containers, such as lunch box, dinner trays, bowls etc by thermoforming. It’s also can be used to make advertisement board, industrial products packing and so on. It has stable performance, big capacity, high automation and yields quality products.

Products Details

Ⅰ    105/120 PS foam sheet extrusion line includes the following components

Ⅱ Main parameters

Item

Unit

Parameter

Remark

Model

FS-FPP105-120

Applicable materials

GPPS granule

Thickness of product

mm

1-4

Width of sheet

mm

540-1200

Foaming rate

12-20

Bulk weight of product

Kg/m³

50-83

Thermal conductivity of product

W/m.k

0.021-0.038

Output

kg/h

150-200

Rated power

Kw

200

Power supply

three phase 380v/50Hz

External dimension

mm

26000×7000×3000

Complete machine weight

Ton

 About12

Ⅲ  Production flow chart

A. Automatic feeding system 1. Feeding style Spiral feeding 2. Main parameters
Hopper capacity of the mixer (kg)

300

Motor Power of the mixer(kw)

3

Feeding capacity of the feeder (kg/h)

200

Motor power of the feeder (kw)

1.5

B. The first stage extruder 1. Screw and barrel materials 38CrMoAlA nitrogen treatment 2. Main motor style AC-motors with frequency converters 3. Speed reducer Extruder dedicated reducer,hard tooth surface,high torque,and low noise 4. Heater Aluminum casted heater, solid-state relay contactless output, intelligent temperature controller control temperature 5. Technical parameters
 Driving motor power(kw)

55

Diameter of screw bolt(mm)

Φ105

L/D ratio of screw bolt

34:1

 Max rev of screw(rpm)

30

Number of heating zones 10
 Heating power (kw)

40

C. Blowing agent injecting system 1. Sort of pump Plunger type high precision and high pressure measuring pump, to match one-way valve to control, the injection volume is controlled by plunger lift 2. Main technical parameters
 Sort of blowing agent

butane or LPG

Metering pump flow

40(L/H)

 Injection high pressure

30(Mpa)

Pressure gauge

0-40(Mpa)

 Motor power

3(kw)

D. Non-stop machine hydraulic automatic replace filter system Hydraulic quickly net changing device Main parameters
Oil pump motor power

4(kw)

Oil pump max pressure

20(Mpa)

Filter net quantity

4(piece)

Heating power

8(kw)

E. The second stage extruder 1. Screw and barrel material 38CrMoAlA nitrogen treatment 2. Main motor style AC-motor with frequency converters 3. Speed reducer Extruder dedicated reducer,hard tooth surface,high torque,and low noise 4. Heater Aluminum casted heater, solid-state relay contactless output, intelligent temperature controller control temperature ,Cooling water device in heater . 5.  Cooling and temperature-reduction style   Circulating water cooling ,automatic bypass system. 6. Technical parameters
Driving motor power(kw)

55

 Diameter of screw bolt(mm)

Φ120

 L/D ratio of screw bolt

34:1

Max rev of screw(rpm)

30

Number of heating zones

13

 Heating power(kw)

50

6. Technical parameters F. Extruder head and mold 1. Structure Round of the extruder head,mold mouth can adjust,head with a pressure gauge and pressure output alarm device. The head heater with water cooling . 2.Material High quality tool steel,heat-treated,flow channel surface roughness: Ra0.025μm 3. Main technical data
Diameter of mold orifice

According to the order contract

Quantity of temperature control zones

2

 Accuracy of temperature control

±1(℃)

Heating power

5(kw)

G.   Shaping cooling and cutting system 1. Shaping style:shaping barrel 2.Cooling style:shaping barrel cools with water and external wind-ring 3.Structure:shaping barrel, cutting knife and rack components 4.Main technical parameters
Shaping barrel size(mm)

According to the order contract

Blower power(kw)

  Three phrase0.55

H. Pulling system 1.Pulling style:four-roller parallel pull, compress with air drive 2.Driving motor form:AC-motor, frequency conversion velocity modulation, speed reducer changes speed 3. Main parameters
Pulling roller quantity(piece)

4

Pulling roller size (mm)

Φ260×1300

Motor power (kw)

1.5

I. Electrostatic elimination system Adapt to tod type ion rod electrostatic elimination system, working volt is 7KV above, can produce high effective and powerful ion wind, effectively eliminate electrostatic danger. J.Winding system 1.Form Double-arm air shaft type 2.Main technical parameters
Coiling weight(kg) Maximum40
Coiling diameter (mm) Max 1100
Length control Meter counter control, adjust length
 Driving motor Torque motor 8n.m×2 sets
K. Electric control system Heating control cabinet of the first stage extruder:one set Heating control cabinet of the second stage extruder:one set Winding control cabinet:one set

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