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Lithium Ion Battery Battery produce Extrusion Slot die Coating Machine

WUHAN GRACE NEW ENERGY CO., LTD.
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Lithium Ion Battery Battery produce Extrusion Slot die Coating Machine

Brand Name : GERUISI

Model Number : GRS-6043-MM

Payment Terms : T/T, Western Union

Coat method : Extrusion continued Slot die Coating

Speed : 8m/min

Heating Function : Max140℃

Coating width of roller surface : 480 mm

width accuracy : ±0.5mm

Coating method : Continuous coating

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Lithium Ion Battery Battery produce Extrusion Slot die Coating Machine
Basic parameters of substrate
Negative substrate Positive substrate Remarks
Name copper foil Aluminum Foil
Thickness (4.5-20) μm (9-30) μm
Substrate width (400-500) mm (400-500) mm
Coating parameters
Material Name negative electrode slurry positive electrode slurry
Graphite, mesophase carbon, hard carbon, etc. Lithium cobaltate, lithium manganate, lithium iron phosphate, ternary, etc.

Double coating dry

Thickness

(50-200) μm

(excluding foil single-sided dry material)

(50-200) μm

(excluding foil single-sided dry material)

Wet Thickness of Coating

100μm

~ 400μm

100μm

~ 400μm

Solid content (45-48) %

Three yuan: 66-70%

Manganese: 66-70%

Lithium iron: 52-58%

Pure cobalt: 66-70%

Variation range of solid content: ± 0.5;

Temperature: 26±2 ℃;

Specific Gravity (1.0-1.5) g/cm 3 (1.0-2.5) g/cm 3
Viscosity 2000-4000 CPS

Three yuan: 4000-6000CPS

Manganese: 4000-6000CPS

Lithium iron: 8000-12000CPS

Pure Cobalt: 4000-6000CPS

Negative electrode viscosity variation range: ± 200/2h;

Variation range of cathode viscosity: ± 500/2h;

Temperature According to the process control RT ~ 140 ℃, using electric heating method
Solvent NMP oil system/water system NMP oil system/water system
Weight error Single side≤ ± 1.3% Double side≤ ± 1.2% Single side≤ ± 1.3% Double side≤ ± 1.2%
Machine basic parameters
Coating roll width 600mm

effective coating

Width

480mm and below;
Coating method Continuous, gap extrusion coating (including strip coating)

dressing coating

Speed

1~8 m/min (related to slurry state and coating process setting);

Maximum machinery

Speed

30m/min
Power 380V x 50Hz, 3 phase (control power 220V x 50Hz, single phase) protective grounding
Total power Maximum 145KW
Air Source 0.6MPa
Overall dimensions of the machine: 20 long x 3.4 wide x 3.0 m high (related to the configuration, the length is about 1.5m longer for each additional thickness measurement)
4. Safety requirements
Comply with relevant national standards.
5. Environmental requirements

Equipment use environment requirements: ambient temperature 20-28 ℃, humidity below 35%, no flammable, corrosive gas;

Cleanliness: Class 100000;

Compressed air: after drying, filtering and stabilizing pressure: the air pressure is greater than 5.0kg/cm2; the air consumption is about 4m 3/h;

Equipment noise requirements: 1m away from the equipment working position measurement, noise ≤ 75dB;

Ground requirements: the foundation is cement ground or terrazzo ground, flatness 2mm/㎡, bearing capacity 1000 ㎏/㎡;

5. Parameters of drying part
Drying oven serial number Drying air mode Temperature Length

NO. 1

NO. 2

NO. 3

NO. 4

Hot air circulation system, up and down respectively out of the wind active transmission

Hot air circulation system, up and down respectively out of the wind active transmission

Hot air circulation system, up and down respectively out of the wind active transmission

Hot air circulation system, up and down respectively out of the wind active transmission

70 - 110°C

70 - 140°C

70 - 140°C

70 - 110°C

3m

3m

3m

3m

Number of temperature control zones: 4 sections (3 m section)
Total length of oven: Approximately 12 meters
Heat source: Electric heating
Temperature: MAX: 140℃

Oven surface

Temperature:

Temperature rise is not more than 50 ℃ (excluding oven door)

  • Introduction to the structure of each part
    • unwinding mechanism

Serial Number Project Parameters Remarks
Framework Vertical plate fixed type, large plate nickel plated, stainless steel side electric box (stainless steel matte wire drawing treatment), manual roll change 1 set
Unwinding direction by up or down
Roll diameter Maximum 550mm
Roll weight Max. 600Kg/roll
Use mandrels

Inner circle diameter:(76.2-80.0) mm

Material: aluminum tube, carbon steel tube, ABS reinforced plastic, paper tube

1 set
flatulence shaft Inflatable shaft structure (3-inch shaft), with active unwinding and rewinding functions 1 set
tension system Motor + tension sensor; tension range: 10-300 N overall width 1 set
Tape platform

Platform: the top is provided with a guide groove, and the platform is inlaid with a scale.

bayonet strip: double pressure bar type, the pit is filled with rubber strip to avoid metal particles when cutting the strip

1 set
correction system

Ultrasonic testing can detect transparent materials, correction accuracy of ± 0.5mm

Rectification stroke> 80mm

Guide roll Mirror aluminum roll, surface anodized
  • Coating device

Serial Number Project Parameters Remarks
Coating method Continuous, gap extrusion coating, stripe coating
Die Domestic die head with micrometer, lip can be inlaid with high wear-resistant and corrosion-resistant hard alloy steel, straightness ≤ 2µm, with manual turnover cleaning, gasket replacement and positioning functions
Framework Q235A steel plate, nickel plated
Coating roller specifications

φ260mm, special steel tube, hard chrome plating

Circle runout accuracy ≤ 2um (mechanical watch detection)

There is no abnormal noise, abnormal vibration and heat generation of each part when driving and rotating.

Nip roll specification

φ120mm steel roller, coated with EPDM, hardness 68±3 with conductivity

Button operation cylinder to achieve the opening and closing action of the roller

With safety cover

Extrusion film head

Move

Base drive: button operation (use cylinder to move in a large range)

Gap trimming: button operation (using servo motor action)

Gap detection: grating ruler (accuracy 0.1um)

Coating valve Pneumatic Clearance Valve
Roll material The outer diameter of the mirror aluminum roller is 110mm, and the surface is treated with positive grade.

Liquid falling

Receive

The receiving box made of SUS304 flows out of the waste barrel through the pipeline.
Workbench With steps and handrails, stainless steel
Broken belt detection Added detection function of broken belt

  • Pumping system

Serial Number Project Parameters Remarks
screw pump Japanese god of war screw pump, servo motor with precision planetary reducer drive
Transit tank Level control, pressure control, electric slow stirring, adjustable speed, volume 30 liters
Material return Material Reflow Coating Controller
Filter With dynamic filter, the number of mesh can be customized according to customer needs (120, 150, 200 mesh)
iron remover Above 10000 Gaussian
Pipes and accessories Stainless steel quick connectors and stainless steel fittings
Pressure monitoring system Monitoring of slurry pressure (differential pressure) in the extrusion head cavity, pump outlet and return cavity, with accuracy ≤ 0.005MPa
  • Drying oven
Sections I to IV
Serial Number Name Parameters Remarks
1 Model Hot air circulation system, spraying air from upper and lower surfaces
2 Oven length Each section of 3 meters, a total of 12 meters The total length of the oven is about 12418mm
3 Hot air temperature RT - 140°C
Temperature control accuracy: temperature set value ± 1°C
Hot air temperature: ± 3°C at the nozzle
4 Oven body Box material: stainless steel plate Including explosion-proof port and wind pressure monitoring
Insulation layer: 100mm thick filled insulation cotton
Oven liner 304 stainless steel, stainless steel bearings
5 Operating door In the operating side area
6 Guide roll Surface anodizing of mirror aluminum roller (with drive)
7 Fresh air duct Stainless steel plate
8 hot air nozzle Upper and lower ends: stainless steel; the air nozzle can be removed and cleaned and the height can be adjusted to ensure the best drying efficiency
9

hot air circulation system:

Circulating fan

All stainless steel in the area in contact with the airflow; with primary filter, removable cleaning, 3KW stainless steel fan, inverter adjustment
Heater 24KW electric heating
10 Circulating air duct Stainless steel plate, bent for hot air circulation unit
11 Filter (new air outlet) 150 mesh stainless steel mesh Removable
12 Pole piece inlet and outlet independent negative pressure cavity 0.3 m long negative pressure structure prevents solvent leakage
13 Temperature measuring point Air outlet of upper and lower air nozzle
14 Exhaust fan: The total exhaust air is divided into two sections and controlled by frequency converter respectively. The total exhaust air volume is 9000 cubic meters/hour Party B is equipped with recycling system
15 Exhaust duct: Surface treated steel plate, bent for use between body and exhaust fan
16 Outlet seal box: Inner surface: SUS304 steel plate
17 Climb device Tape and clean the oven
18 Temperature measuring point Air outlet of upper and lower air nozzle
19 NMP recovery Only fan interface and control interface are provided
20 NMP concentration detection

Each section is reserved for NMP sensor interface, and the positive pole is equipped with 1 set of detection system.

1. When the detection concentration exceeds 30%, the equipment shall make sound and light alarm and increase the exhaust fan frequency;

2. When the detection concentration exceeds 50%, stop the coating and the exhaust fan runs at the maximum frequency;

Positive fitting,

Negative

3.5.


discharge device (tail)

Serial Number Project Parameters Quantity
1 Framework Vertical plate fixed structure, stainless steel electric box, large plate nickel plating (stainless steel matt wire drawing treatment)
2 discharge roller φ160 steel roller with hard chrome plated surface 1
3 nip roll

φ120mm steel roller, coated with EPDM, hardness 68±3, with conductivity

Axis movement mode: cylinder drive

1
With safety protection device 1 set
4 tension system

Low friction cylinder + swing roller structure + tension sensor (double closed loop control)

Tension range: 10-300 N whole width

1 set
5 Guide roll Mirror aluminum roll, surface anodized 1 set
6 export correction system Deviation correction, accuracy ± 0.5mm 1 set
7 Thickness measurement Thickness measurement detection system is provided between traction and winding. (Positive configuration X online surface density test, negative laser thickness measurement) Optional

3.6. winding mechanism

Serial Number Project Parameters Remarks
Framework Vertical plate fixed type, large plate nickel plated, stainless steel side electric box, manual roll change 1 set
Unwinding direction by up or down
Roll diameter Maximum 550mm
Roll weight Max. 600Kg/roll
Use mandrels

Inner circle diameter:(76.2-80.0) mm

Material: aluminum tube, carbon steel tube, ABS reinforced plastic, paper tube

1 set
flatulence shaft Inflatable shaft structure (3-inch shaft), with active unwinding and rewinding functions 1 set
tension system Motor + tension sensor; tension range: 10-300 N overall width 1 set
Tape platform

Platform: the top is provided with a guide groove, and the platform is inlaid with a scale.

bayonet strip: double pressure bar type, the pit is filled with rubber strip to avoid metal particles when cutting the strip

1 set
correction system

Ultrasonic testing can detect transparent materials, correction accuracy of ± 0.5mm

Rectification stroke> 80mm

Guide roll Mirror aluminum roll, surface anodized


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