Automatic Prismatic Lithium Battery Pack Assembly Line

Automatic Prismatic Lithium Battery Pack Assembly Line

 

 

 

The ACEY-XM230420 project is based on customer's production process requirements and workshop layout, custom-made combined square shell lithium battery energy storage PACK module automatic production line, the design structure of this line is reasonable and compatible, and is suitable for batteries of different sizes and specifications Module production; The project plan is independently developed and designed by our team, processed and assembled, commissioned and trained for after-sales service. The whole line adopts a modular design and consists of the following functional areas - feeding and sorting, gluing of assembled frames, manual stacking, extrusion and binding, Binding scan code, polarity detection, pole cleaning, connection bar placement, connection bar welding, acquisition line welding, packing, cover locking screw, EOL test, double-speed chain circulation line, tooling fixture, bad removal, manual off-line Composition of other organization workstations For its yield rate, its requirements for incoming materials: so module nesting materials (end plates, brackets, adhesive tape, batteries, etc.) are guaranteed to require consistency.

 

 

 

 

 

 

 

Cell adaptation range:	Dimensions module range: length 500-800, width170-220,height 200-280
Environmental conditions:	Air source pressure: 0.5~0.6 Mpa
Power supply voltage:	380V,50Hz
Total power:	≤12KW
Area bearing capacity:	>400kg/m
Environmental requirements:	temperature 10-40℃;humidity 30-70%
Humidity:	20%-90%
Equipment utilization rate:	>95%
Product qualification rate:	>99%
Meet safety production requirements, including product safety and battery safety;
Carrier size:	800mmx600mm
Line body:	25000(length)x2000(width)x1900(height)mm (subject to actual design)
height from assembly line to ground:	750mm±50mm
Each automatic station is equipped with a pallet jacking tool, and the manual station is equipped with a jacking tool according to the demand Each manual station is equipped with a pallet stopper mechanism as standard.
Unified rack cabinet color requirements: the default uniform use of"white" (color matching can be specified)

 

Introduction to Mechanism Module Functions——Double speed chain body tooling

Main functions of the equipment:

This module mainly realizes the automatic circulation of tooling pallets, and is composed of elevator/double-speed chain main body/tooling mechanism/blocking mechanism

The load is greater than 150KG, each blocking stop position can be released automatically or manually activated by the button

 

Introduction to Mechanism Module Functions——OCV test sorting

 

Module function introduction:

This module mainly uses high-precision testing instruments to complete the classification and data recording of the voltage internal resistance test of the square shell cell Through manual picking and loading, the belt transports the batteries to the area to be tested. First, a high-definition identification code reader reads the identity code of the battery, and then completes the OCV test and matches the data with the battery code to save or transmit. The test value is within the range The batteries are picked up by the manipulator and transported to different gears to flow out. If the test exceeds the set value, they will be moved to the NG channel. When the OK channel is full of 8 batteries, they will be loaded into the buffer box by the manipulator, and the belt conveyor will be sent to the adhesive. Stacking position to complete the next process

Functional advantages:

1. The condition value of test parameters can be set on the man-machine interface.

2. The probe adopts nickel-plated probe assembly, and the four-wire method is used for testing. The probe is cylindrical and the bottom of the probe is sharp, which can be well adapted to ensure Contact, nickel-plated probe process, greatly reduces impedance, improves test accuracy.

3. The battery performance data of the system test implements the database management mode, long-term storage, strong traceability, with the data analysis function of the software, the product Conduct long-term monitoring and analysis of performance and quality to guide the improvement of R&D formulas and improve the production process.

4. The mechanical gripper is designed to prevent slipping and pinching. Effectively protect the battery cells,

5. Prevent mistaking and matching groups due to personnel mistakes, increase the frame buffer design to prevent fooling,

6. The equipment is easy to operate, convenient to debug, and stable in performance.

 

Introduction to Mechanism Module Functions——OCV test sorting

 

Technical parameters of equipment:
Mchine Sorting Gear Channels	6+1 channels(OKand NG)
Internal resistance detection accuracy	Measuring range 0-60 mΩ; Accuracy ±0.5% rdg; Resolution 0.1mΩ
Voltage Testing Accuracy	Range 0-60V;basic accuracy ±0.015%rdg;resolution 0.1mV
Rate Sation Single Machine Failure	≤2%
Production Qualification Rate	≥99.5%
Production Capability	10-12PPM
Battery Model	Prismatic Cell (Width range: 168-200/height range: 204-230/thickness range: 70-90)
Key parts of this machine:
High precision Tester	HIOKI BT3561A/DM7275
High speed code reader	KeyenceSR1000
Slide Rail	HIWIN
Screw Rod	TBI
Industrial Computer	Advantech PC3150

 

Introduction to Mechanism Module Functions——Sticking Tape/Stacking/Strapping

 

 

Introduction to Mechanism Module Functions——Scan code binding and print barcode

 

Main functions of the equipment:

This module mainly realizes the code scanning of stacked and bundled battery modules, which are associated and generated corresponding module codes through computer processing. The station is mainly operated by a combination of manual and equipment.

 

 

Introduction to Mechanism Module Functions——Polarity visual detection

Main functions of the equipment:

The battery module CCD polarity detection is mainly applicable to-the fatigue and negligence of the battery module during the manual stacking process leads to the wrong arrangement of the positive and negative electrodes, which causes a short circuit of the module, which brings unnecessary safety hazards and economic losses; the equipment in this section The Mark feature points of the cell poles are identified by taking photos with the camera a, and the visual software calculates and compares whether the stacking arrangement is wrong. When the detection triggers an arrangement err ror alarm, the release is confirmed manually on site and discharged to a bad grade.

 

Equipment advantage:

Visual inspection of repetitive work can effectively avoid the occurrence and outflow of defects caused by personnel fatigue and negligence, and discharge them in time before wo elding to reduce the cost of rework after welding

 

Introduction to Mechanism Module Functions——Positive and negative electrode laser cleaning

 

 

Introduction to Mechanism Module Functions——Laser welding of positive and negative pole aluminum sheet of PACK

 

 

Laser welding machine indicators:

1) Welding thickness 0.5-3mm (adjustable);

2) Travel range: 800*400*300mm;

3) Welding speed: 10mm/s (adjustable);

4) Laser type: continuous;

5) Laser power: 3kw (adjustable);

6) Galvanometer spot: center spot 0.15mm;

7) Equipped with air knife dust removal;

8) Laser working medium: optical fiber;

9) Laser service life: ≥5 years;

10) If the equipment needs to run automatically across the double-speed chain body, the net width of the double-speed chain body is 850mm, and the net height is 750mm (from the ground to the highest point of the double-speed chain body), and the line body has its own positioning extension (with 4 positioning columns)

 

Introduction to Mechanism Module Functions——EOL test

 

 

 

Main Material Allocation List

 

SN	Standard part category	Description of function and brand restrictions	Origion
1	Machine rack	Aluminum profile + sheet metal surface paint treatment	China
2	Processed parts	The surface of the aluminum parts is sandblasted and oxidized, and the iron parts are electroplated	China
3	man-machine	verenton
4	PLC	Panasonic/Principal	Japan/China
5	Dispaly	Lenovo
6	Industrial Computer	Advantech
10	Power supply	Omron/Mingwei
11	Sensor	Panasonic, Omron, AirTAC	Japan and Taiwan
12	Electric control accessories	Chint
13	Contactor	Chint
14	Button
15	Ordinary motor	台精
16	stepper motor	英仕达
17	servo motor	Principal/Panasonic
18	I/O board	雷赛
19	cylinder, solenoid valve	AirTAC	Taiwan
20	bearing or linear bearing	NSK、FAG	Japan
21	guide rail	HIWIN、TBI	Taiwan
22	Structural standard parts	Yiheda

 

 

 

 

 

 

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