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Semi-Automatic Laser Welding Machine For Prismatic Battery Top Cover Welding


Contact Person:Louis Yang

Email: Louis@chinabatterymachine.com

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

  • Item No.:

    LITH-YK-HJ-2102
  • Payment:

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

    5 days

New Products

  • Product Details

  Semi-Automatic Laser Welding Machine For Prismatic Battery Top Cover Welding 



1Equipment Overview

This equipment is used for sealing welding and liquid injection hole welding of prismatic  battery top cover. It is a semi-automatic equipment. The top cover of the incoming material has been manually buckled into the aluminum shell. Taking the sealing surface of the battery as the upper benchmark, it is positioned from the top of the bottom plate of the cell. After laser welding, it is manually inspected and judged. This equipment can quickly change the fixture and is suitable for welding of various models of products.

 

2Detail Item

SN

Name

Model

Qty

Remark

1. 

Top cover welding and liquid injection hole welding machine

XSHJ-2102

1set

 

2. 

Cooler

Dongluyang

1set

 

3. 

Dust collector

foxconn

1set

 

 

3Basic Parameters

1. Equipment List

SN

Item

Qty

Remark

1. 

Welding laser

1set

 

2. 

Welded joint

1set

 

3. 

cooler

1set

 

4. 

Motion module

1set

 

5. 

servo motor

1set

 

6. 

Frame + plate + shield

1set

 

7. 

Observation CCD+Display

1set

 

8. 

Industrial dust collector

1set

 

9. 

Motion control of welding platform

1set

 

10. 

Welding control software

1set

 

11. 

Laser waveform control card

1set

 

12. 

IPC

1set

 

13. 

Fixture

1set

 


2. Configure power supply

3 phase 380VVoltage fluctuation is less than ±10%power8KVA

3. Compressed air

0.6~0.8MPa

4. Environmental requirements

ambient temperature 2040℃relative humidity 555HR

4Incoming parameters

SN

Item

Specification

Remark

1

Battery size

166mm

22mm

234mm

 


5Process performance

1. Hardware accuracy

SN

Item

Specification

Remark

1. 

Effective working range of workbench

300mm×300mm×200mm

 

2. 

Repeated positioning accuracy of laser welding joint

≤±0.02mm

 

3. 

Qualified rate

98.5%

 

4. 

efficiency

50-70mm/s

 

5. 

Tooling fixture can be replaced

 

 

6. 

Welding method

Vertical welding and side welding (corresponding fixture is required)

 

7. 

Laser welding machine power

1000W

 

8. 

Focal length adjustment accuracy of welding joint

0.02mm

 

9. 

Welding parameter memory function, switching products that have been done without programming again

 

 

10. 

Equipped with dust and smoke removal function

 

11. 

Equipped with safety door and safety grating to ensure safe work

 

12. 

Noise

≤75db

 

13. 

failure rate

Failure rate = (failure shutdown duration / equipment service duration) < 2%

 


2. Product accuracy

SN

Item

Standard

1. 

Welding flanging width

0.3mm

2. 

Weld penetration and width

Penetration 0.5~1.4mmMelt width1~1.6mm

3. 

Weld pressure resistance (tensile strength)

Withstand voltage1.1Mpa

4. 

Appearance and welding quality

After welding, the weld shall be free of defects such as pits, broken welds, misalignment, and explosion points, and the weld shall be smooth and flat, which will not cause serious deformation of the shell. There is no welding slag in the shell after welding, and the laser does not burn the diaphragm and high-temperature tape inside the shell

 

7Configuration of main components

     Equipment composition:

1. Top cover welding battery clamp part

SN

Description

Remark

1. 

Manual feeding, taking the sealing surface of the electric core as the benchmark, lift up from the bottom of the electric core to ensure the consistency of the upper benchmark; The long side cylinder is locked, the short side cylinder is locked, the upper reference cylinder is unlocked, and the lower end of the fixture adopts a spring positioning mechanism. The spring is elastically deformed to ensure that the cell shell is not scratched during precise positioning;

 

2. 

Pre weld the cover plate and shell first, and then fully weld after fixing the position.

 

3. 

The clamping part is not in overall contact with the cell, and the middle is hollowed out to prevent excessive extrusion pressure on the cell; Manual blanking: when the battery moves to blanking, the battery cylinder unlocks, the battery cell pops up, and the material is taken manually. The short side is clamped by a rotating cylinder, and the electric core is placed and taken from the side, which is convenient to operate.

 

 

 2.Three axis welding platform

SN

Description

Remark

1.

The laser output head is driven by a three-axis high-precision mechanical module to ensure the accuracy of the hardware; Using high-precision algorithm and controller, accurate laser excitation power and path; Press the assembly mechanism up before welding, and then fully weld the top cover to ensure the product qualification rate; The exhaust pipe and filter shall be made of fire-retardant materials, and the connecting parts shall be connected with steel rings.

 



激光焊接头:Laser welded joints:

顶盖焊接治具:Top cover welding fixture:

Z轴伺服运动轴:Z-axis servo movement axis:

X轴伺服运动轴:X-axis servo motion axis:

顶盖焊接治具:Top cover welding fixture

  

3.Frame cover and man-machine interface

SN

Description

Remark

 

The upper cover of the equipment is composed of sheet metal and Tan acrylic panels, and safety gratings are installed to ensure the safety of operators. The human-machine interface of the equipment is designed according to the existing structure of the company, and the welding parameters are visual and traceable.


茶色透明亚克力:Tan transparent acrylic

光纤吸尘支架:Optical fiber dust suction support

三色灯:Tricolor lamp

人机界面:interface


4.Three view part of equipment



8Equipment capacity requirements

SN

Item

Index

Remark

1. 

Time efficiency =

Actual operation time: load time - planned downtime (failure, material switching)

Load time: production hours - planned downtime

Production hours: normal working hours

Planned downtime: morning and evening, rest, spot check, cleaning, etc

≥99.00%

 

2. 

Performance improvement

Theoretical tempo: theoretical production time of a single product

100%

 

3. 

Product qualification rate

Fixed loss: tape splicing, coil changing, etc

≥99.50%

 

4. 

CMK Equipment capacity index

CMK index only considers short-term dispersion and emphasizes the influence of equipment factors on product quality.

Test requirements: the extracted data is continuous; It is assumed that the operator, measuring tools and raw materials are not affected; Only consider the influence of a single factor of the equipment. (that is, the operator must be skilled and competent; the measuring tools must meet the requirements and have been calibrated; the same batch of materials; and the inspectors meet the requirements.)

Generally, 10 groups of 100 samples are sampled for measurement within about one hour after the production of the machine is stable.

 

≥1.67

 

5. 

Equipment operation plan

300 day/year,2 shifts,11.5H/ shift

 

6. 

Equipment life

10 Years

 

7. 

Operator

 

 

8. 

Equipment noise

≤75dB

 

 

9Brand of components and spare parts

SN

Name

Brand

Remark

Welding laser

创鑫 Chuangxin

 

Welding head

万顺兴 Wan Shunxing

 

cooling-water machine

东露阳 Dongluyang

 

Motion module

上银 Shangyin

 

servo motor

松下 Panasonic

 

Frame + plate + shield

customized

 

Observe the CCD+ display

customized

 

Dust collector

鸿海 foxconn

 

Motion control of welding platform

customized

 

10 

Welding control software

 

 

11 

Laser waveform control card

customized

 

12 

IPC

Advantech / Lenovo

 

13 

Fixture

customized






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