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High Precision Rolling Press Machine For Lithium Battery Electrode Pole Production


Contact Person:Louis Yang

Email: Louis@chinabatterymachine.com

Tel:+86 13003860308
Whatsapp: +86 13003860308
Wechat:18659217588

  • Item No.:

    LITH-YK-800*750-L
  • Payment:

    Credit Card, Paypal, T/T , Western Union, LC
  • Lead Time:

    5 days

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  • Product Details

High Precision Rolling Press Machine For Lithium Battery Electrode Pole Production



1List of equipment specifications

No.

Equipment name

 

Equipment model

 Remarks

1

High Precision Lithium Battery Rolling Press Machine

 

LITH-YK-800*750-L

 The effective rolling width is 200~680mm.


1.1 Equipment composition and function

Main configuration of equipment

No.

Name

Place of Origin

1.

Air switch

Schneider (France)

2.

PLC

Siemens (Germany)

3.

Touch screen

Smet (Taiwan)

4

Modular

Siemens (Germany)

5.

Intermediate relay

Schneider (France)

6.

Drive servo motor

Siemens (Germany)

7

Reducer

International Trade (China)

8.

Memorial Gateway

Shaogang (China)

9.

Bearing

Wafangdian (China)

10.

Coupling

Zhengtong (China)

11

Hydraulic ram cylinder

Siemark (Germany)

12.

Full automatic tension

PID closed loop control (self-made)

13.

Deep groove ball bearing (machine head)

NSK (Japan)

14.

Frequency converter

Rexroth (China)

15.

Rectify deviation

Dongdeng (Guangzhou)


2、Introduction to equipment principle

The traction of electrode is compacted to the predetermined thickness or the predetermined compaction density by the double action of pressure and the nip of the pressure roller, so that the lithium battery produced by the rolled pole piece can achieve the designed / predetermined volume energy density and battery performance.

 

No.

Project

Describe

Note

1

Suitable system

Continuous rolling process for positive and negative plates of lithium iron phosphate, lithium cobalt oxide, lithium manganate, lithium nickel cobalt manganese and other battery systems.

 

2

Rolled substrate

Aluminum foil (10um-1.5mm), copper foil (6um-1.5mm),

 

3

Rolling mode

Width: 200mm-750mm.

Motor drive position

4

working pressure

The two rollers are rolled up and down horizontally, and the drive is located on the right side of the feeding end.

 

5

Equipment speed

Provided by constant pressure pump station, it is suitable for positive high pressure rolling and negative low pressure adjustment.

 

6

control mode

Stepless adjustment, and the linear speed of the upper and lower rollers is equal.

 


 3、Equipment action sequence

                                               Technological process of counter roll (pole rolling)


4. Equipment composition and functional

Equipment component configuration

4.1 unwinding system (as shown in Figure 1)


Figure 1

No.

Project

Describe

Note

1

Discharging part

φ 76mmx750mm inflatable shaft unwinding, equipped with air gun

 

2

Receiving platform

Pneumatic lifting of steel plate front receiving platform and pressing plate

 

 

3

tension control

Swing roll type, low friction cylinder controls the tension, and the sensor detects and displays the tension

 

4

Deviation correction system

Photoelectric deviation correction and linear guide rail (the maximum moving range is 100mm)

 

5

Rectification execution

Dongdeng deviation correction actuator

 

 

6

Sub control system

The discharging and receiving end is equipped with equipment sub control system and emergency stop (dynamic brake), pause and other buttons

 

 

7

Iron removal before rolling

Electromagnetic pole piece iron removal device, magnetic force of magnetic rod 10000~12000 Gauss

 


4.2 Trimming system before pole rolling (as shown in Figure 2)

Figure 2


No.

Item

Describe

Remarks

1

Knife feeding requirements

Pneumatic slitting blade (HRC ≥ 58).

 

2

Cutting requirements

¢ 150*50 bottom knife.

 

 

3

Trimming speed

It can automatically match the rolling mill running line speed (i.e. synchronization, response time ≤ 10ms), and

 

4

Scrap recycling

Can be adjusted separately; There is no material dropping and broken belt at the cutting edge.

 

5

Trimming width

Automatic collection, equipped with receiving box.

 

4.3 Dust removal system before pole pressing (as shown in Figure 3)


Figure 3


No.

Item

Describe

Remarks

1

Vacuum suction

Reserve the interface of industrial vacuum cleaner.

 

2

Brush cleaning

The pneumatic lifting upper box is in contact with the rolling brush mode. The dust on the material belt is cleaned by the brush, and the dust is sucked away by the vacuum cleaner.

 

3

Iron removal before rolling

Electromagnetic iron removal device before pole rolling, with magnetic force of 10000 ~ 12000 Gauss. The magnetic rod is placed in the stainless steel tube and is easy to be loaded and unloaded, and it is easy to remove the adsorbed iron.

 


4.4.1Constant pressure high-precision battery pole piece rolling mill (as shown in Figure 4)


Figure 4

 

No.

Project

Description

Note

1

Roll installation

The two rollers are arranged horizontally up and down, with an integral archway.

 

2

dynamic system

Dual motor torque dual output structure.

 

3

Roll shafting

Bearing clearance setting device, with oil lubrication device.

 

4

Pole piece roller

High alloy forged steel, double medium frequency induction quenching, electroslag remelting process.

9Cr3mo

5

Running speed

0~30m/min, digital setting, stepless speed change, variable frequency speed control CNC system.

 

6

working pressure

Two hydraulic stations are used for pressurization.

Online voltage regulation

7

Roll gap adjustment

0-2mm digital setting, automatic gap adjustment.

The minimum unit of adjustment is 0.001mm

8

Roll cleaning

Automatic roller wiping

 

9

Safety protection

Stainless steel feeding hand guard is adopted. Equipped with emergency stop and pause.

 


4.4.2 automatic roller wiping device (only negative pole, as shown in Figure 5)

Figure 5


Function Description: the non-woven fabric is wiped on the roll by moving, and the upper and lower rolls are wiped at the same time; Roller wiping speed can be adjusted; The pressure of non-woven fabric on the roll is adjustable.


4.5 Constant tension closed-loop winding system (as shown in Figure 6)


Figure 6


No.

Project

Describe

Note

1

Receiving part

φ 76mmx750mm inflatable shaft unwinding, lock valve design, equipped with air gun

 

2

Receiving platform

Pneumatic lifting of steel plate front receiving platform and pressing plate

 

3

tension control

Swing roll type, low friction cylinder controls the tension, and the sensor detects and displays the tension

 

4

Deviation correction system

Photoelectric deviation correction and linear guide rail (the maximum moving range is 100mm)

 

5

Deviation correction motor

Dongdeng deviation correction actuator

 

6

Winding power

Winding motor (2.2kW)

 

7

Iron removal after rolling

Electromagnetic pole piece iron removal device, magnetic force of magnetic rod 10000~12000 Gauss

 

 

4.6  PLC touch screen control system

 

No.

Project

Describe

Note

 

 

1

system composition

Unwinding tension control, unwinding photoelectric deviation correction and deviation correction motor control, cutter motor control, rolling mill main drive control, constant pressure hydraulic station control, winding motor control, winding tension control, winding photoelectric deviation correction and deviation correction motor control

 

2

Operation layout

Control of braking, emergency stop and suspension.

 

3

major function

It is equipped with retraction and release sub control operation and main operation console, and all operation parts are equipped with emergency

 

4

Auxiliary functions

Stop and pause buttons (dynamic braking).

 

5

safeguard

It can digitally set the operation speed, pressure, gap between rolls and other instructions

 

6

Counting function

Full CNC operation of.

 

 

4.7 Equipment installation requirements

4.7.1 power supply: 3Ph 380V, 50Hz, voltage fluctuation range: +8%~ – 8%; The total power of the power supply is 60KW plus a 10% safety factor.

4.7.2 compressed air: after drying, filtering and stabilizing: the outlet pressure is greater than 0.6~0.8mpa; Trachea is Φ 8

4.7.3 ambient temperature: ≤ 28 ℃.

4.7.4 relative humidity: RH ≤ 85%.

4.7.5 ensure that the air on site is dry and unblocked without acid-base corrosion.

4.7.6 main engine installation foundation: the thickness of foundation cement in the main bearing area is not less than 40cm, and that in other areas is not less than 10cm; The main part of the equipment (battery pole rolling mill) needs to be installed on a concrete foundation with a ground bearing capacity of not less than 10T/m2.

 

5. Technical parameters
5.1 main process parameters

No.

Project

Describe

Note

1

Effective dimension of rolled surface

Ф800mmx750mm, effective rolling width 200~680mm

 

 

2

Line pressure between two rollers

Max4000KN

 

3

Non decaying hardness layer

Min 19mm

 

4

Roll hardness

HRC≥67,  hardness uniformity≤HS±2

Show the test report

5

Roll surface roughness

Ra≤0.2

Show the test report

6

Roll straightness

≤±0.0015mm

 

7

Installed radial runout

≤±0.0025mm

 

8

Roll gap adjustable range

0-2.0mm,digital setting adjustment accuracy 0.001mmThe left and right gaps between the two rollers are consistent

 

9

Rolling accuracy

≤±0.0015mm  (Coating accuracy≤±0.003mm)

 

10

Pressure control accuracy

≤0.15T

 

11

Equipment running speed

Max30m/min

 

12

Trimming width

200mm-680mm

 

13

Maximum diameter of winding and unwinding

ф500mm

 

14

Maximum width of reeling in and out

680mm

 

15

Maximum weight of reeling in and out

500Kg

 

16

Coil cylinder diameter

Φ76mm

 

 

17

Radial runout error of winding shaft during equipment operation

 

≤±0.03

 

18

Roll surface of winding and unwinding shaft

≤0.15

 

19

Roughness Ra

≤±0.03

 

20

Coaxiality of winding shaft

Max. 0.2mm

 

21

Deviation correction accuracy

0 ~ 50N adjustable

 

 

22

Maximum tension of winding and unwinding

Except for stainless steel, surface treatment and coated parts, the surface of other parts of the fuselage is coated with international computer white paint

 

23

Device color

(it can be sprayed according to the color card provided by the customer)

 

24

Outline dimension

About 3.9m × 1.8m × 1.8m × 2.9m (length × wide × High)

 

25

Outline of rolling press machine production line

About 28 tons

 

26

Whole machine weight

About 30 tons

 

27

Main Power

About 44KW

 


6. Attached data and accessories

6.1 one copy of equipment operation manual, maintenance manual and relevant data, including equipment drawings, circuit and electrical diagrams of machines and main parts and accessories.

6.2 a list of vulnerable parts (indicating the model, material, supplier and other information of vulnerable parts, including the diagram of vulnerable parts).

 

No.

Project

Describe

Note

1

Composition of spare parts

1 set of special maintenance tools

 

2

Vulnerable parts

1 set of hydraulic pipeline seal, 1 upper and 1 lower cutter, 2 scraper

 

 

6.3  PLC program backup.







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