TMAXCN Brand High Precision Lithium Battery Rolling Press Machine

• Customization: Available
• Certification: ISO, CE
• Warranty: 1 Year
• Model NO.: TMAX-YK-800*750-L
• Transport Package: Wood Packing
• Trademark: TMAX
• Origin: China

Product Description

 

High Precision Lithium Battery Rolling Press Machine

 

1,List of equipment specifications

No.	Equipment name	Equipment model	Remarks
1	High Precision Lithium Battery Rolling Press Machine	TMAX- 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 ºC.

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 0.001mm. The 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.