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Sodium Ion Battery Manufacturing Line

/Automatic Die Cutting Machine for Sodium Ion Battery Production Line

Automatic Die Cutting Machine for Sodium Ion Battery Production Line

Wechat:17720812054

Whatsapp:+86 13174506016

Email:David@batterymaking.com

  • Item NO.:

    TMAX-YK-DP400-L01B
  • Payment:

    L/C,T/T,Western Union, Paypal
  • Product Origin:

    China
  • Shipping Port:

    Xiamen
  • Lead Time:

    5 days
  • Certificate:

    CE ROHS Certificate
  • Product Detail

Automatic Die Cutting Machine for Sodium Ion Battery Production Line


1、 Equipment introduction

1. Equipment functions

* unwinding function (two unwinding mechanisms are adopted, and the servo motor independently controls the automatic unwinding);

* deviation correction function (correcting the deviation of the unwinding mechanism and the electrode is being transported before punching);

*belt tension control system (belt tension is independently controlled by two buffer modes, which can reduce belt jitter in the process of high die cutting);

* the metal concave convex die is used to complete the forming of the pole ear (tungsten steel die is used, with high service life and small punching Burr);

* dust removal of equipment rollers (dust absorption of pulling rollers);

* before die cutting, the electrode is brushed and vacuumed;

* single chip cutting function (adopt servo control crankshaft drive structure to complete cutting, adopt tungsten steel mold, with high service life and small punching Burr);

* single electrode  conveying function (three vacuum belts are used to convey the electrode, dust removal on both sides of the electrode and screening of defective products are carried out during the conveying process);

* dust removal on both sides of the electrode (wool felt and negative pressure dust collection by default; non-contact electrostatic dust removal device is reserved) this dust removal method is optional;

*double CCD detection and labeling of electrode surface defects (CCD detects both sides of the electrode, the labeling machine labels the unqualified products after detection, and pulls this section through when the pole ear is formed; the equipment does not have this function by default, and the installation position is reserved) this function is optional;

l color code detection of defective products (the sensing electrode has a defective label, and the electrode device automatically screens out defective products);

*single electrode size CCD detection (for each electrode overall size detection, the equipment will automatically screen out defective products);

* electrode collection function (electrode counting function is installed in the material box, with the function of sorting electrodes, and the electrodes are collected neatly in the material box);

*the cartridge case conversion and conveying function (the cartridge is installed on the turntable, and the cartridge case is automatically converted; the manipulator extracts the cartridge case and connects the material line) the cartridge case can be shared with the lamination machine;


2. Equipment principle

The principle of continuous feeding of polar coil, controlling die punching and polar impulse through the mode of electronic cam, and controlling unequal distance by servo traction.











3. Equipment action process



4. Overall structure

1) Size4200mm LW1280mmH2050mm

2) Weight1.85T

3) Overall structure diagram



1. 上料接料台:Feeding and receiving platform

2. 张力缓存机构Tension buffer mechanism

3. 滚轮牵引机构:Roller traction mechanism

4. 过程纠偏组件Process correction component

5. CCD检测CCD Testing

6. 贴胶机:Glue applicator

7. 极耳成型模切组件: Tab forming die cutting assembly

8. 裁切机构:Cutting mechanism

9. 色标传感器:Color code sensor

10. CCD检测机构: CCD detection mechanism

11. 次品剔除机构:Reject mechanism

12. 机械手抓取机构:Manipulator grabbing mechanism

13. 自动放卷纠偏装置: Automatic unwinding and deviation correction device

14. CCD检测:CCD Testing

15. 缓存机构:Cache mechanism

16. 模具冲切机构:Die punching mechanism

17. 转型调节机构:Transformation adjustment institution

18. 滚轮牵引机构:Roller traction mechanism

19. 除尘机构:Dust removal mechanism

20. 除尘机构:Dust removal mechanism

21. 次品收集盒:Defective product collection box

22. 整齐料盒极片机构:Neat material box electrode mechanism

23. 转化料盒机构:Conversion box mechanism

                      4) Equipment appearance diagram



4Function introduction of equipment components

1. Automatic feeding device



Max Diaφ700mm

Max weight150kg

Sleeve inner diameter150.2±0.5mm

Unwinding and feeding mode: feeding is directly operated by logistics docking trolley or manual

The unwinding mechanism adopts the inflatable shaft structure, and both ends of the inflatable shaft are equipped with rolling bearings, which is firm in structure

It is equipped with coiling belt connecting platform and auxiliary marking line, which is convenient for manual belt connecting

There is a permanent magnet bar with 40000gs behind the receiving table to remove iron from the front and back of the electrode

Dust collection by double-sided roller brush of polar piece before die cutting

With pressing device before die cutting

The servo system is used to control the synchronous unwinding to keep the tension stable

The adjustable range of tension is 0-150N, and the accuracy is±10%

Before and after the upper and lower materials, the reeling shaft wobbles≤5mm

Distance from the end face of the winding shaft to the outside of the protective cover≤250mm

With safety protection design

The deviation correction system adopts high-precision CCD deviation correction sensor to control the opposite side and improve the deviation correction accuracy±0.2mm.

1. Belt tension control system



The unwinding tension control of the material belt is composed of two mechanisms

The unwinding part of the air expansion shaft is controlled by the swing of the low friction cylinder to control the tension during the unwinding process

During die punching, the belt swings up and down, and the servo motor pulls the screw rod to compensate. For example, when the die rises and falls, the servo motor quickly pulls the length of the pole piece to ensure the tension in the process of pole piece conveying

The swing part adopts high-precision proportional valve, high-precision potentiometer and low friction cylinder to control the feeding synchronously

The screw rod is controlled by servo analog quantity, and the tension can be set according to the size of the pole piece

2. Tab punching and forming device



Adopt the metal concave convex die punching form to complete the forming of the tab

The upper and lower die punching adopts the scissor point contact mode

The servo driven crankshaft is used to complete the high-speed punching action of the die, and the pole piece is free of damage, powder dropping, sharp corners and other defects during the slicing process

The disassembly and installation of the die are simple, and the width of the pole piece is easy to adjust. It can meet the different sizes of pole pieces within a certain range, and the change time is less than 1 hour

A funnel-shaped waste collection device is installed under the mold, and the waste generated after punching and cutting can be immediately sucked into the funnel device and then collected into the waste recycling box (cleaning once per shift, cleaning time ≤ 5min)

The upper die of the die is equipped with positive pressure blowing cooling function to improve the punching life of the die

The punching mechanism is equipped with safety protective optical fiber and safety protective cover

The system adopts high-precision CCD deviation correction sensor to improve the deviation correction accuracy≥0.2mm;

Parameters of electrode after punching



 3.Belt traction device


The material belt traction and conveying process consists of two sets of traction roller assemblies

The first set of high-speed control reeling process conveying synchronization

The second set of high-speed control punching center pole piece conveying synchronization

Adopt servo control unequal distance feeding function

There is a tan guide wheel in front of the traction roller to prevent the tab from being discounted after die cutting. The guide wheel can be adjusted easily when changing the model

The two rollers are directly equipped with powder absorbing rollers to remove the dust accumulated during the traction of the rollers

The pressing roller is compressed automatically by air cylinder, which is convenient for threading.

4.Cutting mechanism



 In the process of pole slice cutting, there is pre pressing function in the front and traction roller in the back to ensure the ductility of pole slice before cutting and the dimensional accuracy of pole slice powder cutting;

after cutting, the equipment is equipped with induction optical fiber to prevent the pole knife from being mistaken for multiple pieces of waste;

the lower cutter is installed with vacuum to absorb dust;

The embedded tungsten steel knife is adopted to reduce the maintenance and replacement cost

cutting has counting function.

5.Electrode correction function in feeding box



during the operation of the electrode, the servo motor drives the sorting mechanism to correct the electrode;

After correction, the electrode are stacked in the material box to ensure that the electrode in the material box are neat

The material box has a counting function, and the pole pieces are free of damage, crimping, bending, scratches and other defects during operation and stacking

When the electrode in the material box is filled, it will automatically switch to the buffer mechanism to receive the material.

5Dust removal device (optional)

1) Wool wheel, negative pressure to collect dust

the equipment adopts wool wheel and negative pressure dust removal method, which has good dust removal effect, high efficiency and low cost;

When the electrode passes through the inlet end of the cleaning head, roll the driving brush to sweep the powder to remove the dust on the surface of the electrode

Subsequently, the pole piece receives internal negative pressure wind to absorb drift dust and dust on the brush wheel

Dust is collected in the negative pressure fan, which is easy to clean (once a month, cleaning time ≤ 5min).

1) Non contact dust removal

adopt the non-contact dust removal method of high-pressure ion wind, which has good dust removal effect, high efficiency and high cost;

When the electrode passes through the inlet end of the cleaning head, the ionization cloud here and the static electricity on the coil surface are removed;

Then, the electrode is affected by the turbulent air flow generated by the internal blowing and vacuum air flow of the cleaning head device

The effect of turbulent air flow leads to high-frequency fretting of the electrode

The combined action of high-frequency fretting and turbulent air flow of the electrode breaks the air interface layer on the surface of the pole piece, and at the same time, the pollutants released by the interface layer are sucked into the vacuum air flow

When the electrode leaves the cleaning head, the pole piece will pass through another ion cloud to prevent secondary pollution on the surface of the electrode.

6.Design features

Features

Advantages

Non contact cleaning

Avoid the risk of marks and damage on the surface of the electrode, and at the same time, do not affect the tracking detection of the position of the electrode on the belt

Electrostatic control integration

Neutralize static electricity, optimize cleaning performance, and effectively pre polarize the secondary pollution on the surface of the sheet

Unique "fixed port" system

The pipeline connection of the cleaning head is fixed, and the installation of the cleaning head is easier

Air volume balance

The deviation value between blowing volume and vacuum air flow can be completely controlled

Automatic vacuum control

Reduce the frequency of manual adjustment by operators. Automatically maintain the best cleaning effect

Lossless parts

Lower operation cost

Silent operation

No health and safety problems caused by noise

7.Schematic diagram of CCD detection and labeling (an optional device)



 8. System functions

Intelligent classification: using machine learning and artificial intelligence technology, self-learning and automatic classification can be carried out according to the user's definition of defect category;

PostgreSQL:Adopt the most advanced open source database to store defect images, such as defect location, size and other information

Automatic archiving: defect data can be automatically backed up to external devices or systems according to user settings

Diversified reports: provide reports on test results and statistical data in the form of tables and graphs

Surface evenness analysis: display the surface evenness of materials in real time with digital

 practical and convenient operation interface: it can eliminate and mark serious defects and other practical functions, which is convenient for operators to operate;

 IO interface: provide input and output signals such as alarm, paper break, roll change, start and stop;

Factory interface: Based on Windows operating system, it can connect with other systems and equipment of customers through tcp/ip, Ethernet, OPC and other interfaces

Remote access maintenance: under the condition that the equipment is connected to the Internet, the system can be upgraded and maintained through Internet remote access

Technical support: 7 x 24-hour network and hotline support

 Detection system interface

 

report viewing interface



 defect elimination Report



 main defect detection accuracy index table



 Labeling machine device:

Equipped with a set of labeling machine, the pasting speed matches the cutting speed, and the labeling center line and the inner edge distance of the pole piece can be adjusted, with an accuracy of ± 2mm;

Label size: 12mm wide and 14mm long, which can be customized by users.


ASize and specification of incoming materials

SN

Item

Spec

Remark

1

Feed width

300-420mmincluding tab

 

2

Incoming material thickness

Cathode9-200μmAnode9-200μm

 

3

Inner diameter of discharging drum

6inch φ150.2mm

 

4

Applicable system

Lithium iron phosphate, lithium cobalt oxide, lithium manganate, ternary materials, graphite and other battery and capacitor slurry systems

 

5

Outer diameter of electrode sheet

≤φ700mm

 

6

Coating method

Continuous coating

 

7

Incoming coating width error

≤±2mm


BProduction incoming material requirements

Evenness error of incoming winding end face±5mm

Serpentine errorX±2mm/m



Electrode waveX±5mm/m



ensure the service life of the mold, and the change of material thickness at the cutting position of the mold is less than 10 μ m


 CEquipment production process

Size range and accuracy of electrode after punching

SN

Item

Sizemm

Accuracy

Remark

1

Electrode W

40~110

±0.2mm

2

Electrode H

60~160

±0.25mm

3

Electrode Ht

10~30

±0.2mm

4

Electrode Distance

5~20

±0.25mm

5

Electrode Wt

6~65

±0.2mm

6

Burr vh

≤7um

 

 

7

Burr vk

≤25um

 

 

 

DTechnical index parameters of equipment

SN

Item

Spec

1

Punching method

Die punching

2

Service life of die for tab and mark hole

Negative electrode mold 1million times / grinding, mold grinding times ≥ 10 times

800000 times / grinding of positive mold, and the number of mold grinding ≥ 10 times

Total service life of die-cutting knife after repair: ≥ 10million times

3

Loading condition

Manual roll loading function, the equipment can realize the residual material detection and alarm function

It can distinguish between roll termination tape and tape splicing tape (different tape colors)

4

Electrode deviation correction device

The deviation correction accuracy is guaranteed to be 0.1mm on the premise that the material has no edge defects

5

Electrode tension control

Tension control accuracy10%

6

Stamping die

SKD-11 + Imported alloy tungsten steel

7

Dust removal device

Dust removal on both sides of electrode after punching

8

Magnet adsorption

≥40000GSPermanent magnet rod

9

CCD  testing

A set of CCD detection device is set on the front and back of the pole piece respectively

10

CCD configuration

8K camera 2 pcs,light source 2 pcs

11

CCD Detection scope

Max450mmCoating width:400mm

12

CCD Test items

Coating defects of standard lithium battery pole pieces such as exposed foil, dry material, dark spots, scratches, foreign matters, etc

13

CCD Test items

Transverse0.1mmPortrait:0.1mm (Best detection state)80m/min, cutting speed)

14

CCD 

Other functions of the system

Alarm output or labeling can be provided according to the size, type, density, cutting position and periodicity of defects. All detected defect data are stored in SQL database in each volume, or exported to the factory's information management system or various standard databases. Reportranger software can automatically or manually output various automatic reports of production and quality management according to needs, and can be set according to customer needs, accurately label the edges of materials, and cooperate with downstream processes to better find and deal with various defects.

15

Labeling mechanism

Label cutting and labeling mechanism; The labeling speed matches the pulling speed, and the labeling machine is located at the tab

16

MES system

All process equipment used shall have MES system interface

17

Efficiency

120ppmRate of mobilization≥95%Qualified rate≥98%

18

Quick change time

The model of a single replacement mold does not exceed 1person*1H

19

Other requirements

1. A. the update of equipment program can be realized through remote; b. Hardware (Electrical) detection; The notebook with network is configured in the remote mode, and the software required for remote control is installed on the notebook. The equipment manufacturer realizes remote control with the equipment through the notebook. For the sake of data security, a monitoring program will be installed on the notebook to monitor all data exchanged through the notebook. 2. Hierarchical management of equipment: at least three levels are required. The highest level is the management authority of the equipment, which can realize any operation on the equipment and reset all passwords. The second level is to change all parameters of the equipment and realize equipment operation. The lowest level is equipment operation and change some operations. Equipment operation time recording function, recording contents need to be divided into automatic operation time, standby time, manual operation time and failure time. Machine time is defined as the time when the equipment is turned on but no operation is carried out, and fault time is defined as the time before the equipment fails and the error message is not eliminated, and the time when the emergency stop button is pressed; Automatic operation and manual operation are the normal operation time of the equipment without any fault and error, which can be distinguished according to the selected operation mode. At least 2 days of operation records shall be kept on the equipment. The operation records shall be packaged and sent to MES system or other management system once a day, and uploaded by FTP. The uploaded files shall be in CSV format. Recording function of equipment parameter changes.

20

Vibration standard

The vibration intensity shall meet the iso-2372 international standard for equipment vibration

(vibration intensity ≤ 0.45mm/s)

21

Safety device

1. Punching mechanism, cutting mechanism and other mechanisms are equipped with safety protection door to prevent operators from entering and door opening protection circuit design and emergency stop function, and there are safety warnings

2. The fault alarm indicator is a three color lamp post and buzzer alarm, and there is a record display on the touch screen panel

EMain components of equipment

SN

          Name

Brand

1

PLC

Panasonic

2

touch screen

Weinview

3

Frequency converter

Schneider

4

servo motor

Panasonic

5

Stepper motor

Leisai

6

Cylinder and pneumatic components

SMC

7

Linear guide rail, screw rod

THK

8

sensor

Keens

9

Bearing

NSK

10

Solenoid valve

SMC

11

Temperature Controller

OMRON

12

Automatic control valve

Shanghai Ziyi

13

Vacuum gauge / pressure gauge

SMC

14

Low voltage electrical components

Schneider

15

CDD Testing

Chixiao Technology

16

Mold

Wei Sheng

17

Die guide post

MISUMI

18

Optical fiber

Panasonic

19

Magnetic switch

SMC

20

Low voltage electrical components

Schneider

 

FEquipment use environment

SN

Item

 Unit

Spec

Remark

1

Whole line power

Kw

15

380V, 3phase

2

compressed air

Pressure

MPa

0.50.8 MPa

 

 

 

consumption

L/min

50

 

3

Vacuum

vacuum degree

KPa

/

 

 

 

consumption

m3/h

/

 

 

 

consumption

m3/h

/

 

4

nitrogen

Pressure

MPa

/

 

 

 

consumption

m3/h

/

 

5

Tap water consumption

m3/h

/

 

6

Process cooling water

Temperature

/

 

 

 

consumption

m3/h

/

 

Note: the parameters involved in the equipment must be filled in, and the parameters not involved can be filled in with "/" or "-".

 

GSpare parts

SN

Name

Spec

Qty

Remark

1

Punching tool

 

 

 

2

Die cutting tool

 

 


 


              

   

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