CN107891223A - A kind of device and process using laser welding aluminum plastic film - Google Patents
A kind of device and process using laser welding aluminum plastic film Download PDFInfo
- Publication number
- CN107891223A CN107891223A CN201711188187.2A CN201711188187A CN107891223A CN 107891223 A CN107891223 A CN 107891223A CN 201711188187 A CN201711188187 A CN 201711188187A CN 107891223 A CN107891223 A CN 107891223A
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- Prior art keywords
- plastic film
- laser
- aluminum plastic
- welding
- film product
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/206—Laser sealing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The present invention is a kind of device and process using laser welding aluminum plastic film, including laser scanning galvanometer, horizontal conveyer, lifting module, laser industrial control system and aluminum plastic film clamp fixture, laser scanning galvanometer is in above aluminum plastic film product to be welded and aluminum plastic film clamp fixture, is connected by optical fiber or signal of communication line with laser industrial control system；Based on the device of the present invention, the laser sent using laser, through expanding shaping, control to form the beam shape that aluminum plastic film welding needs by laser industrial control system, aluminum plastic film is welded.The present invention replaces traditional thermal compression welding or ultrasonic welding technique using laser welding, the welding quality of aluminum plastic film Product jointing can be greatly improved, the precipitation of harmful substance caused by improving its sealing and reducing thermal compression welding, and particulate matter caused by ultrasonic welding.
Description
Technical field
The present invention relates to laser technology field, and in particular to a kind of device and technique side using laser welding aluminum plastic film
Method.
Background technology
Food, the security relationship of medicine seal to everyone vital interests, food, the opening of Key works Drug packing aluminum plastic film
Property is very crucial to food, guaranteeing the quality for medicine.
The seal welding of packaging aluminum plastic film uses hot-press sealed welding and ultrasonic Seal welding connection mostly at present, and it can
There can be problems with：Heat is uneven is also easy to produce leakage for sealing, and heat caused by hot pressing can be to food, medicine generation hot shadow
Ring, high-frequency vibration easily produces plastic powders and produces pollution to food, medicine when ultrasonic welds.The present invention uses laser welding
Aluminum plastic film and sealing use contactless welding, and heat-affected zone is small, and energy output is stable, shockproof generation.
The content of the invention
The object of the present invention is to overcome the problems of the prior art, there is provided a kind of dress using laser welding aluminum plastic film
Put and process, to improve the welding quality of aluminum plastic film product and security.
To realize above-mentioned technical purpose and the technique effect, the present invention is achieved through the following technical solutions：
A kind of device using laser welding aluminum plastic film, including：
Fixed bottom plate；
Horizontal transport agency, it is connected on the fixed bottom plate, for horizontal feed aluminum plastic film product；
Aluminum plastic film clamp fixture, it is arranged above the horizontal transport agency, passes through for clamping on lower horizontal conveying mechanism
Aluminum plastic film product；
Module is lifted, the aluminum plastic film clamp fixture side is arranged at and is connected on the fixed bottom plate；
Laser scanning galvanometer, it is arranged above the aluminum plastic film clamp fixture and is movably mounted to lift on module up and down, use
Aluminum plastic film product surface to be welded is radiated in laser facula of the transmitting with movement locus, makes the welding bead between aluminum plastic film product
In molten condition, reach fusion weld；
Laser industrial control system, by light or it is electrically connected to the laser scanning galvanometer and lifting module, there is provided shake to laser scanning
The laser parameter of mirror transmitting and the lifting parameter for lifting module.
Further, the aluminum plastic film clamp fixture includes line rail fixed plate, and the line rail fixed plate is fixed on horizontal defeated
Send in mechanism, one end of the line rail fixed plate is provided with lift cylinder, and the line rail fixed plate is provided with the cylinder along lift cylinder
The line slideway of the rod end direction of motion, the slide section on the line slideway connect a pressing plate fixed plate, the pressing plate fixed plate
One end connection lift cylinder cylinder rod end, the pressing plate fixed plate is provided with printing opacity pressing plate, the printing opacity pressing plate face lower section
The aluminum plastic film product passed through on horizontal transport agency, the printing opacity pressing plate is by the driving of lift cylinder with pressing plate fixed plate along institute
State line slideway to move linearly up and down, for providing pressure needed for aluminum plastic film Product jointing.
Further, the angle between the pressing plate fixed plate and printing opacity pressing plate is at right angles set, and is consolidated in the pressing plate
Top angle between fixed board and printing opacity pressing plate is provided with supporting plate, for providing the back of the body when printing opacity pressing plate compresses aluminum plastic film product
Face supports.
Further, the horizontal transport agency includes the frame being connected on the fixed bottom plate, is set in the frame
There are motor, roller and belt, and drive roller, roller to drive belt to form horizontal belt by motor and convey
Line, the aluminum plastic film product are positioned on the horizontal belt pipeline and moved in the horizontal direction.
Further, it is connected with laser connecting plate on the lift side of the lifting module, it is affixed on the laser connecting plate
There is laser fixed plate, the laser scanning galvanometer is installed in the laser fixed plate, the lift side of the lifting module drives
Laser connecting plate, laser fixed plate and laser scanning galvanometer move up and down together, ensure height needed for laser scanning galvanometer work,
The lifting module is fixed on a module dead plate upper end, and the module fixed plate lower end is fixed on fixation by some fixed columns
On bottom plate.
Further, the laser industrial control system includes laser controlling board, laser and electric cabinet, for providing laser
Welding energy, speed of welding, movement locus and the weld interval parameter of the laser of scanning galvanometer transmitting, and be horizontal conveyer
Structure, lifting module and lift cylinder provide kinetic parameter, and the top of the laser industrial control system is provided with display screen, each for showing
Parameter.
A kind of process using laser welding aluminum plastic film, it is characterised in that comprise the following steps：
Step 1）Lift cylinder compresses aluminum plastic film product,
Horizontal conveyer has posted aluminum plastic film Product Level to be welded by motor drive and has been moved to welding position, driving electricity
Machine stop motion, the lift cylinder in aluminum plastic film clamp fixture drive printing opacity pressing plate to move down, compress aluminium by line slideway
Plastic film product；
Step 2）Laser to aluminum plastic film product sealing welding,
Lifting module drives laser scanning galvanometer to move up and down to focal point, and laser industrial control system sets welding energy, welding speed
Degree, movement locus and weld interval parameter, laser controlling board control the laser in laser industrial control system to send corresponding laser,
Expanded by fiber optic conduction and laser scanning galvanometer is reached after shaping conduction focuses on, the servomotor in laser scanning galvanometer is according to sharp
Light industrial control system arrange parameter moves to form the beam shape that welding profile needs, clockwise or inverse along aluminum plastic film product welding bead
Clockwise is radiated on the surface of the aluminum plastic film product posted, the welding bead between aluminum plastic film product is in molten
State, to reach sealing effectiveness；
Step 3）Aluminum plastic film product is removed after the completion of welding,
After the completion of welding, lift cylinder drives printing opacity pressing plate to rise, and the motor of horizontal conveyer drives aluminum plastic film product fortune
Row is removed to next station, repeats above-mentioned steps 1）- step 3）.
Preferably, the step 2）In the laser energy density focused on after laser scanning galvanometer is reached by optical fiber is 0.01-
3J/cm2, peak power 0.01W-1KW.
Preferably, the step 2）It is middle to be moved to form the light beam that welding profile needs according to laser industrial control system arrange parameter
Shape also includes a kind of by the way of aluminum plastic film clamp fixture relative motion formation.
Preferably, the fitting welding manner to be sealed of the aluminum plastic film product is between aluminum plastic film and aluminum plastic film or aluminium
Between plastic film and non-aluminum plastic film.
The beneficial effects of the invention are as follows:
The present invention replaces traditional thermal compression welding or ultrasonic welding technique using laser welding, is swashed using what laser was sent
Light, through expanding shaping, control to form the beam shape that aluminum plastic film welding needs by laser industrial control system, aluminum plastic film is welded
Connect, the welding quality of aluminum plastic film Product jointing can be greatly improved, improve its sealing and be harmful to caused by reducing thermal compression welding
The precipitation of material, and particulate matter caused by ultrasonic welding, and be contactless welding, heat-affected zone is small, and energy is defeated
Go out stable, shockproof generation.
Brief description of the drawings
Fig. 1 is overall structure diagram of the laser to aluminum plastic film product seal welding device of the present invention.
Fig. 2 is the aluminum plastic film clamp fixture structural representation of the present invention；
Fig. 3 is the principle schematic of the laser beam treatment of the present invention；
The lift cylinder that Fig. 4 is the present invention compresses aluminum plastic film Product Status schematic diagram；
Fig. 5 is that laser of the present invention illustrates to the state of aluminum plastic film product sealing welding.
Label declaration in figure：1. bottom plate is fixed, 2. horizontal transport agencies, 3. aluminum plastic film clamp fixtures, 31. lift cylinders,
32. line rail fixed plate, 33. line slideways, 34. pressing plate fixed plates, 35. supporting plates, 36. printing opacity pressing plates, 4. lifting modules, 5. is solid
Fixed column, 6. module fixed plates, 7. laser scanning galvanometers, 8. laser connecting plates, 9. laser fixed plates, 10. laser industrial control systems,
11. display screen, 12. aluminum plastic film products.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, the present invention is described in detail.
As shown in figure 1, a kind of device using laser welding aluminum plastic film, including：
Fixed bottom plate 1；
Horizontal transport agency 2, it is connected on the fixed bottom plate 1, for horizontal feed aluminum plastic film product 12；
Aluminum plastic film clamp fixture 3, the top of horizontal transport agency 2 is arranged at, is passed through for clamping on lower horizontal conveying mechanism 2
The aluminum plastic film product 12 crossed；
Module 4 is lifted, the side of aluminum plastic film clamp fixture 3 is arranged at and is connected on the fixed bottom plate 1；
Laser scanning galvanometer 7, it is arranged at the top of aluminum plastic film clamp fixture 3 and is movably mounted to lift on module 4 up and down,
The surface of aluminum plastic film product 12 to be welded is radiated for launching the laser facula with movement locus, is made between aluminum plastic film product 12
Welding bead be in molten condition, reach fusion weld；
Laser industrial control system 10, by light or the laser scanning galvanometer 7 and lifting module 4 are electrically connected to, such as using optical fiber
Or the mode of signal wire connects, there is provided the laser parameter and the lifting parameter of lifting module 4 launched to laser scanning galvanometer 7.
As shown in Fig. 2 the aluminum plastic film clamp fixture 3 includes line rail fixed plate 32, the line rail fixed plate 32 is fixed on
On horizontal transport agency 2, one end of the line rail fixed plate 32 is provided with lift cylinder 31, and the line rail fixed plate 32 is provided with edge
The line slideway 33 in the cylinder rod end motion direction of lift cylinder 31, the slide section on the line slideway 33 connect a pressing plate and fixed
Plate 34, the cylinder rod end of one end connection lift cylinder 31 of the pressing plate fixed plate 34, the pressing plate fixed plate 34 are provided with printing opacity
Pressing plate 36, the aluminum plastic film product 12 passed through on the face lower horizontal conveying mechanism 2 of printing opacity pressing plate 36, the printing opacity pressing plate 36
Moved linearly by the driving of lift cylinder 31 with pressing plate fixed plate 34 along the line slideway about 33, for providing aluminum plastic film
Product 12 welds required pressure.
Angle between the pressing plate fixed plate 34 and printing opacity pressing plate 36 is at right angles set, and in the pressing plate fixed plate 34
Top angle between printing opacity pressing plate 36 is provided with supporting plate 35, for being carried when printing opacity pressing plate 36 compresses aluminum plastic film product 12
For back support.
With continued reference to Fig. 1, the horizontal transport agency 2 includes the frame being connected on the fixed bottom plate 1, the frame
Motor, roller and belt are provided with, and drives roller, roller to drive belt to form horizontal belt by motor
Pipeline, the aluminum plastic film product 12 are positioned on the horizontal belt pipeline and moved in the horizontal direction.
With continued reference to Fig. 1, laser connecting plate 8, the laser connecting plate 8 are connected with the lift side of the lifting module 4
On be connected with laser fixed plate 9, the laser scanning galvanometer 7 is installed in the laser fixed plate 9, the lifting module 4
Lift side drives laser connecting plate 8, laser fixed plate 9 and laser scanning galvanometer 7 to move up and down together, ensures laser scanning galvanometer
Height needed for 7 work, i.e. focal point, the lifting module 4 are fixed on the upper end of a module fixed plate 6, under the module fixed plate 6
End is fixed on fixed bottom plate 1 by some fixed columns 5.
The laser industrial control system 10 includes laser controlling board, laser and electric cabinet, is shaken for providing laser scanning
Welding energy, speed of welding, movement locus and the weld interval parameter for the laser that mirror 7 is launched, and be horizontal transport agency 2, liter
Drop module 4 and lift cylinder 31 provides kinetic parameter, the top of the laser industrial control system 10 is provided with display screen 11, for showing
Each parameter.
A kind of process using laser welding aluminum plastic film, it is characterised in that comprise the following steps：
Step 1）Lift cylinder 31 compresses aluminum plastic film product 12,
As shown in figure 4, horizontal conveyer 2 has posted aluminum plastic film product 12 to be welded by motor drive is moved horizontally to weldering
Connect position, motor stop motion, the lift cylinder 31 in aluminum plastic film clamp fixture 3 passes through line slideway 33 and drives printing opacity pressure
Plate 36 moves down, and compresses aluminum plastic film product 12；
Step 2）Laser to the sealing welding of aluminum plastic film product 12,
As shown in Figure 3 and Figure 5, lifting module 4 drives laser scanning galvanometer 7 to move up and down to focal point, laser industrial control system 10
Welding energy, speed of welding, movement locus and weld interval parameter are set, and laser controlling board is controlled in laser industrial control system 10
Laser send corresponding laser, by fiber optic conduction expand shaping conduction focus on after reach laser scanning galvanometer 7, laser scanning
Servomotor in galvanometer 7 moves to form the beam shape that welding profile needs according to the arrange parameter of laser industrial control system 10, edge
The welding bead direction pivots clockwise or counter-clockwise of aluminum plastic film product 12 is radiated on the surface of the aluminum plastic film product 12 posted, makes aluminium
Welding bead between plastic film product 12 is in molten condition, to reach sealing effectiveness；
Step 3）Aluminum plastic film product 12 is removed after the completion of welding,
After the completion of welding, lift cylinder 31 drives printing opacity pressing plate 36 to rise, and the motor of horizontal conveyer 2 drives aluminum plastic film production
Product 12 are run to next station, and are removed, and repeat above-mentioned steps 1）- step 3）.
The step 2）In the laser energy density focused on after laser scanning galvanometer 7 is reached by optical fiber is 0.01-3J/cm2,
Peak power is 0.01W-1KW.
The step 2）It is middle to be moved to form the beam shape that welding profile needs according to the arrange parameter of laser industrial control system 10
Also include a kind of by the way of the relative motion of aluminum plastic film clamp fixture 3 formation.
The fitting welding manner to be sealed of the aluminum plastic film product 12 between aluminum plastic film and aluminum plastic film or aluminum plastic film with
Between non-aluminum plastic film.
The principle of the invention
In the present invention, the laser that laser is sent exports by optical fiber and laser scanning galvanometer 7, is radiated at the aluminium posted
The surface of plastic film product 12, by the control of laser industrial control system 10, energy is exported to laser and laser beam movement velocity is entered
Row control, makes up to solderable condition, welding job is carried out to aluminum plastic film product 12 under non-contacting welding manner, in aluminium
The cramping of plastic film clamp fixture 3, which coordinates, is issued to welded seal.
Those skilled in the art of the present technique are it is understood that the related system and its function of realization that are related in the present invention
It is that computer software programs conventional in the prior art are carried on the device, device or system of hardware after improvement and its composition
It is not that computer software programs of the prior art or relevant agreement are improved or relevant agreement achieves that.For example,
Computer hardware system after improvement still can realize the spy of the hardware system by loading existing operation system of software
Determine function.It is understood, therefore, that the innovation of the present invention is to structure in the prior art, technique, hardware module
Syntagmatic is improved and its connected, rather than is only to realizing the software carried about function or agreement in hardware module
Improve.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. device using laser welding aluminum plastic film, it is characterised in that including：Fixed bottom plate（1）；Horizontal transport agency（2）, it is connected to the fixed bottom plate（1）On, for horizontal feed aluminum plastic film product（12）；Aluminum plastic film clamp fixture（3）, it is arranged at the horizontal transport agency（2）Top, for clamping lower horizontal conveying mechanism （2）The aluminum plastic film product of upper process（12）；Lift module（4）, it is arranged at the aluminum plastic film clamp fixture（3）Side is simultaneously connected to the fixed bottom plate（1）On；Laser scanning galvanometer（7）, it is arranged at the aluminum plastic film clamp fixture（3）Top simultaneously is movably mounted to lift module up and down （4）On, radiate aluminum plastic film product to be welded for launching the laser facula with movement locus（12）Surface, produce aluminum plastic film Product（12）Between welding bead be in molten condition, reach fusion weld；Laser industrial control system（10）, by light or it is electrically connected to the laser scanning galvanometer（7）With lifting module（4）, there is provided give Laser scanning galvanometer（7）The laser parameter and lifting module of transmitting（4）Lifting parameter.
- 2. the device according to claim 1 using laser welding aluminum plastic film, it is characterised in that the aluminum plastic film fixture work Dress（3）Including line rail fixed plate（32）, the line rail fixed plate（32）It is fixed on horizontal transport agency（2）On, the line rail is consolidated Fixed board（32）One end be provided with lift cylinder（31）, the line rail fixed plate（32）It is provided with along lift cylinder（31）Cylinder rod end The line slideway of the direction of motion（33）, the line slideway（33）On slide section connect a pressing plate fixed plate（34）, the pressure Plate fixed plate（34）One end connection lift cylinder（31）Cylinder rod end, the pressing plate fixed plate（34）It is provided with printing opacity pressing plate （36）, the printing opacity pressing plate（36）Face lower horizontal conveying mechanism（2）The aluminum plastic film product of upper process（12）, the printing opacity pressure Plate（36）Pass through lift cylinder（31）Driving with pressing plate fixed plate（34）Along the line slideway（33）Rectilinear movement up and down, use In offer aluminum plastic film product（12）Pressure needed for welding.
- 3. the device according to claim 2 using laser welding aluminum plastic film, it is characterised in that the pressing plate fixed plate （34）With printing opacity pressing plate（36）Between angle at right angles set, and in the pressing plate fixed plate（34）With printing opacity pressing plate（36）It Between top angle be provided with supporting plate（35）, in printing opacity pressing plate（36）Compress aluminum plastic film product（12）When provide back side branch Support.
- 4. the device according to claim 1 using laser welding aluminum plastic film, it is characterised in that the horizontal transport agency （2）Including being connected to the fixed bottom plate（1）On frame, the frame is provided with motor, roller and belt, and Roller, roller is driven to drive belt to form horizontal belt pipeline, the aluminum plastic film product by motor（12）It is positioned over Moved in the horizontal direction on the horizontal belt pipeline.
- 5. the device according to claim 1 using laser welding aluminum plastic film, it is characterised in that the lifting module（4） Lift side on be connected with laser connecting plate（8）, the laser connecting plate（8）On be connected with laser fixed plate（9）, the laser Fixed plate（9）On the laser scanning galvanometer is installed（7）, the lifting module（4）Lift side drive laser connecting plate （8）, laser fixed plate（9）And laser scanning galvanometer（7）Move up and down together, ensure laser scanning galvanometer（7）It is high needed for work Degree, the lifting module（4）It is fixed on a module fixed plate（6）Upper end, the module fixed plate（6）Lower end passes through some fixations Post（5）It is fixed on fixed bottom plate（1）On.
- 6. the device according to claim 2 using laser welding aluminum plastic film, it is characterised in that the laser industrial control system （10）Including laser controlling board, laser and electric cabinet, for providing laser scanning galvanometer（7）The welding energy of the laser of transmitting Amount, speed of welding, movement locus and weld interval parameter, and be horizontal transport agency（2）, lifting module（4）And lift cylinder （31）Kinetic parameter, the laser industrial control system are provided（10）Top be provided with display screen（11）, for showing each parameter.
- 7. a kind of process using laser welding aluminum plastic film, it is characterised in that comprise the following steps：Step 1）Lift cylinder（31）Compress aluminum plastic film product（12）,Horizontal conveyer（2）Driven by motor and posted aluminum plastic film product to be welded（12）It is moved horizontally to welding position Put, motor stop motion, aluminum plastic film clamp fixture（3）In lift cylinder（31）Pass through line slideway（33）Drive printing opacity Pressing plate（36）Move down, compress aluminum plastic film product（12）；Step 2）Laser is to aluminum plastic film product（12）Sealing welding,Lift module（4）Drive laser scanning galvanometer（7）Move up and down to focal point, laser industrial control system（10）Welding energy is set Amount, speed of welding, movement locus and weld interval parameter, laser controlling board control laser industrial control system（10）Interior laser Corresponding laser is sent, is expanded by fiber optic conduction after shaping conduction focuses on and reaches laser scanning galvanometer（7）, laser scanning galvanometer （7）Interior servomotor is according to laser industrial control system（10）Arrange parameter moves to form the beam shape that welding profile needs, edge Aluminum plastic film product（12）Welding bead direction pivots clockwise or counter-clockwise is radiated in the aluminum plastic film product posted（12）Surface, Make aluminum plastic film product（12）Between welding bead be in molten condition, to reach sealing effectiveness；Step 3）Aluminum plastic film product is removed after the completion of welding（12）,After the completion of welding, lift cylinder（31）Drive printing opacity pressing plate（36）Rise, horizontal conveyer（2）Motor drive aluminium Plastic film product（12）Operation is removed to next station, repeats above-mentioned steps 1）- step 3）.
- 8. the process according to claim 7 using laser welding aluminum plastic film, it is characterised in that the step 2）In Laser scanning galvanometer is reached by optical fiber（7）The laser energy density focused on afterwards is 0.01-3J/cm2, peak power 0.01W- 1KW。
- 9. the process according to claim 7 using laser welding aluminum plastic film, it is characterised in that the step 2）In According to laser industrial control system（10）Arrange parameter move to be formed welding profile need beam shape also include one kind use plastic-aluminum Film clamp fixture（3）The mode that relative motion is formed.
- 10. the process according to claim 7 using laser welding aluminum plastic film, it is characterised in that the aluminum plastic film Product（12）Fitting welding manner to be sealed between aluminum plastic film and aluminum plastic film or between aluminum plastic film and non-aluminum plastic film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711188187.2A CN107891223A (en) | 2017-11-24 | 2017-11-24 | A kind of device and process using laser welding aluminum plastic film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711188187.2A CN107891223A (en) | 2017-11-24 | 2017-11-24 | A kind of device and process using laser welding aluminum plastic film |
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| CN107891223A true CN107891223A (en) | 2018-04-10 |
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| CN201711188187.2A Pending CN107891223A (en) | 2017-11-24 | 2017-11-24 | A kind of device and process using laser welding aluminum plastic film |
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|---|---|---|---|---|
| CN108515276A (en) * | 2018-04-11 | 2018-09-11 | 绍兴文理学院 | A kind of steel bar laser cutting device made for tape measure |
| CN110039053A (en) * | 2019-05-14 | 2019-07-23 | 哈尔滨福沃德多维智能装备有限公司 | A kind of laser fusing 3D printing equipment laser focal plane determines system and method |
| CN111250867A (en) * | 2020-03-04 | 2020-06-09 | 北京凯米迈克科技有限公司 | Stepping type laser welding device for welding resistance wires |
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