CN102205469A - Control method and system for laser cutting of battery pole piece - Google Patents
Control method and system for laser cutting of battery pole piece Download PDFInfo
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- CN102205469A CN102205469A CN2010101405967A CN201010140596A CN102205469A CN 102205469 A CN102205469 A CN 102205469A CN 2010101405967 A CN2010101405967 A CN 2010101405967A CN 201010140596 A CN201010140596 A CN 201010140596A CN 102205469 A CN102205469 A CN 102205469A
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000003698 laser cutting Methods 0.000 title claims abstract description 17
- 230000033001 locomotion Effects 0.000 claims abstract description 29
- 230000008569 process Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 abstract description 16
- 230000007246 mechanism Effects 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 description 10
- 230000000875 corresponding effect Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 230000000153 supplemental effect Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
-
- 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
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/0869—Devices involving movement of the laser head in at least one axial direction
- B23K26/0876—Devices involving movement of the laser head in at least one axial direction in at least two axial directions
-
- 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
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Plasma & Fusion (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Laser Beam Processing (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a control method and system for laser cutting of a battery pole piece. The method comprises the following steps of: (1) receiving graph data of a pole piece to be cut by using a control unit to generate corresponding motion track data; (2) transmitting a control command and motion track data to an execution mechanism by using the control unit; and (3) executing the control command and controlling laser to move according to the track specified by the motion track data by using an execution unit. According to the control method and system, a laser motion path is described by adopting the motion track, thus the cutting speed of the pole piece is increased and the cutting precision is ensured; in addition, the control method and system can be used for conveniently inputting and modifying dimensional data parameters of a graph and can flexibly adapt to the condition that the graph of the electrode pole piece frequently changes.
Description
Technical field
The present invention relates to the laser cutting control technology in the battery pole piece production, specifically relate to a kind of control method and system thereof that battery pole piece is carried out laser cutting.
Background technology
Lithium-ion-power cell is one of most important parts in the products such as power vehicle that rise recently, and the time of its appearance is shorter, and demand is huge, and does not occur comparatively mature technique aborning at present.When the electric core forming process of electrokinetic cell, need the positive and negative electrode material of the electric core of cutting in the prior art.Traditional machine cuts method can cause the cutting back to produce burr at the pole piece gap, influence the security of lithium battery, and the active force of machine cuts also can cause adverse effect to the battery pole piece performance.Adopt laser to cut electric core positive and negative electrode material (laser is walked, and utilizes the high density energy of laser to make material be cut off) on material, can overcome the defective of machine cuts, thereby form various specific pole piece shape with the lug of a plurality of projections.
Existing pole piece laser cutting control technology generally adopts laser marking software to come tablet pattern, utilizes galvanometer to advance at a high speed on product as actuating mechanism controls laser when waiting for the product process on the streamline then, thereby leaves a trace on product.Concerning pole piece cutting in batches, this control technology does not comply with one's wishes, as exists following problem not solve: a. can't finish the continuous cutting function on the streamline, and existing mark control mode can only be to finish the cutting or the mark of single product one by one; B. adopt when being pattern input mode, after current graphics process was intact, being written into and handling next figure need expend the regular hour, when streamline speed bigger, just become very important timeslice during this period of time, can't be responded and handle, thereby produce bigger cutting position error; If c. the shape of the pole piece of cutting profile changes a little, relatively more difficult on handling, all need redesign, tablet pattern, control program can not adapt to graphic change automatically by the mode of revising parameter in the operation.
Summary of the invention
The objective of the invention is to propose a kind of battery pole piece to be carried out the control method and the system thereof of laser cutting, can adapt to the variation of battery pole piece figure well, and guarantee the precision of cutting pattern.
The present invention proposes, and this control method that battery pole piece is carried out laser cutting may further comprise the steps: 1) control module receives the graph data of pole piece to be cut, generates corresponding motion trace data; 2) control module sends to executing agency with control command and motion trace data; 3) performance element execution control command, and control laser moves according to the track of motion trace data defined.
Wherein step 3) may further comprise the steps: 31) command processing module of performance element receives the control command of control module, and queue instruction is wherein added in command queue's buffer memory successively; 32) the parsing queue command module of performance element is resolved the data in command queue's buffer memory, generating the coordinate points on the movement locus, and the coordinate points data is input in the output data queue buffer memory successively; 33) the transmission data module of performance element sends to galvanometer successively with the coordinate points data message, laser is reflexed to successively the position of coordinate points correspondence by the control of galvanometer.
Wherein the graph data of the reception in the step 1) comprises height, width, each length of side of pole piece and lug, the data of adjacent spaces distance.
The present invention proposes, and this control system that battery pole piece is carried out laser cutting comprises control module and performance element, described control module comprises the graph data receiver module that is used to receive pole piece graph data to be cut, the movement locus generation module that is used for calculating according to the graph data of pole piece the laser motion track data, and described performance element is used to the reflection position that receives motion trace data and control laser.
Described performance element comprises command processing module, resolves the queue command module, sends data module and galvanometer, and described command processing module is used to receive the control command of control module, and queue instruction is wherein added in command queue's buffer memory; Described parsing queue command module is used for the data of command queue's buffer memory are resolved, and generating the coordinate points on the movement locus, and the coordinate points data is input in the output data queue buffer memory; Described transmission data module is used for the coordinate points data message is sent to galvanometer successively.
Described performance element also comprises the management of process module.
The present invention is compared with the prior art the beneficial effect that is had: adopt movement locus to describe the laser motion route, planned laser trace in advance, can carry out the continuity laser cutting, make the speeding up of electric core moulding, and guarantee the precision of cutting profile, be controlled in the 0.1mm during in streamline speed for 400mm/s; And, can import, revise the parameters such as sized data of figure easily owing to adopted the method for track description, can adapt to the situation that the battery pole piece figure frequently changes neatly.
Description of drawings
Fig. 1 is the composition module map of the specific embodiment.
The specific embodiment
As shown in Figure 1 a kind of carries out the system of laser cutting to the pole piece moulding of lithium-ion-power cell, comprises control module and performance element.Control module comprises graph data receiver module, movement locus generation module.Performance element comprises management of process module, command processing module, parsing queue command module, sends data module, galvanometer.
The graph data receiver module is used to receive pole piece graph data to be cut.The movement locus generation module is used for calculating the laser motion track data according to the graph data of pole piece.The graph data receiver module at first receives the supplemental characteristic that the user imports in advance, such as the pole piece of need cuttings and on height, the width of lug, the gap length between the lug also comprises control informations such as cutting speed.The movement locus generation module generates and the corresponding track of graph data according to the relevant pole piece of user's input and the graph data of lug.
Command processing module is used to receive the control command of control module, is the interface of performance element and upper level applications, and abundant interface function is provided, and control command is divided into queue instruction and ordinary instruction two big classes.Queue instruction comprise formation open command, formation out code, formation execution command, straight line add instruction, circular arc add instruction, speed instruction is set, open the laser time delay command, close time-delay between laser time delay command, the line segment wait for instruct, the actual motion coefficient of marking on the fly is provided with instruction, specified conditions triggering command etc.Ordinary instruction then has type of laser selection instruction, laser power that instruction, the instruction of laser point Position Control, formation halt instruction immediately are set, opens the laser controlling instruction, closes laser controlling instruction etc.Different processing is made in different instructions at two classes: if queue instruction then is that instruction, additional graph data are added on command queue's buffer memory successively; If ordinary instruction, then the particular content according to instruction carries out various control corresponding operational processes.
Resolve the queue command module and be used for the data of command queue's buffer memory are resolved, generating the coordinate points on the movement locus, and the coordinate points data are input in the output data queue buffer memory.After the reception command module adds queue command to the formation buffer memory, this module just begins to carry out the formation data in buffer is resolved, if the formation control instruction as open, close, instruction such as execution, then send to process control module, carry out corresponding action; If speed is provided with instruction, then current queue speed is updated to new velocity amplitude; If order is added as straight line, circular arc etc. in the position, then call interpolation function, according to the line segment and the type thereof that form between a last coordinate points and the new coordinate points of adding, carry out interpolation according to given formation speed, thereby between these two given coordinate points, generated the coordinate points on many line segment tracks, and the coordinate points that these interpolations are calculated has been left in the output data queue buffer memory.
Sending data module is used for the coordinate points data message is sent to galvanometer successively.Resolving the queue command module after the data coordinates dot generation and leaving the output data queue buffer memory in, sending module can as 100000Hz, send to galvanometer to co-ordinate position information successively according to the frequency of setting.Galvanometer coordinate points position as requested reflexes to the focus of laser on the corresponding physical location.
Be provided with the management of process module in addition and coordinate communication and the cooperation that above-mentioned three modules cooperate.When in receiving command module, having received the output of execution queuing data, it can send data module by management of process module notice and begin the delivering position dot information to galvanometer, sends data module and just begins to be sent in the coordinate points of output data queue the inside to galvanometer when receiving this order.In addition, also be to manage about some states of whole procedure by this module, whether all send to the speed, position of the walking of galvanometer, current laser etc. such as the data of setting the formation the inside.
During work, control module at first receives the supplemental characteristic that the user imports in advance, such as the pole piece of need cuttings and on height, the width of lug, the gap length between the lug also comprises control informations such as cutting speed; And, generate and the corresponding track of graph data according to the relevant pole piece of user's input and the graph data of lug.Control module will comprise that the control command of queue instruction and ordinary instruction exports to the bottom performance element.
Performance element is carried out control command, for track wherein formation is described, adopt corresponding processing mode, such as when running to certain location, cut the lug action, this moment, laser will be walked on the pole piece of battery according to the track that generates, and the high-energy-density that utilizes laser is the battery pole piece cutting and separating.After the action queue instruction executed, control laser came back to initial point, prepared next action queue instruction.And in service in program, also can respond other control commands of user simultaneously, as suspending, restart, be provided with parameter etc.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (6)
1. one kind is carried out the control method of laser cutting to battery pole piece, may further comprise the steps:
1) control module receives the graph data of pole piece to be cut, generates corresponding motion trace data;
2) control module sends to executing agency with control command and motion trace data;
3) performance element execution control command, and control laser moves according to the track of motion trace data defined.
2. as claimed in claim 1 battery pole piece is carried out the control method of laser cutting, it is characterized in that wherein step 3) may further comprise the steps:
31) command processing module of performance element receives the control command of control module, and queue instruction is wherein added in command queue's buffer memory successively;
32) the parsing queue command module of performance element is resolved the data in command queue's buffer memory, generating the coordinate points on the movement locus, and the coordinate points data is input in the output data queue buffer memory successively;
33) the transmission data module of performance element sends to galvanometer successively with the coordinate points data message, laser is reflexed to successively the position of coordinate points correspondence by the control of galvanometer.
3. as claimed in claim 2 battery pole piece is carried out the control method of laser cutting, it is characterized in that, wherein the graph data of the reception in the step 1) comprises height, width, each length of side of pole piece and lug, the data of adjacent spaces distance.
4. control system of battery pole piece being carried out laser cutting, comprise control module and performance element, described control module comprises the graph data receiver module that is used to receive pole piece graph data to be cut, the movement locus generation module that is used for calculating according to the graph data of pole piece the laser motion track data, and described performance element is used to the reflection position that receives motion trace data and control laser.
5. control system of battery pole piece being carried out laser cutting as claimed in claim 4, it is characterized in that: described performance element comprises command processing module, resolves the queue command module, sends data module and galvanometer, described command processing module is used to receive the control command of control module, and queue instruction is wherein added in command queue's buffer memory; Described parsing queue command module is used for the data of command queue's buffer memory are resolved, and generating the coordinate points on the movement locus, and the coordinate points data is input in the output data queue buffer memory; Described transmission data module is used for the coordinate points data message is sent to galvanometer successively.
6. as claimed in claim 5 battery pole piece is carried out the control system of laser cutting, it is characterized in that: described performance element also comprises the management of process module.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101405967A CN102205469A (en) | 2010-03-31 | 2010-03-31 | Control method and system for laser cutting of battery pole piece |
| PCT/CN2011/070257 WO2011120345A1 (en) | 2010-03-31 | 2011-01-14 | Method for controlling laser cutting of battery electrode sheet and system thereof |
| DE112011101091T DE112011101091T5 (en) | 2010-03-31 | 2011-01-14 | Control method and system for laser cutting battery plates |
| DE202011110437.4U DE202011110437U1 (en) | 2010-03-31 | 2011-01-14 | Control system for laser cutting of battery plates |
| JP2013501603A JP2013523452A (en) | 2010-03-31 | 2011-01-14 | Control method and system for performing laser cutting on battery pole piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101405967A CN102205469A (en) | 2010-03-31 | 2010-03-31 | Control method and system for laser cutting of battery pole piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102205469A true CN102205469A (en) | 2011-10-05 |
Family
ID=44694692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101405967A Pending CN102205469A (en) | 2010-03-31 | 2010-03-31 | Control method and system for laser cutting of battery pole piece |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2013523452A (en) |
| CN (1) | CN102205469A (en) |
| DE (2) | DE112011101091T5 (en) |
| WO (1) | WO2011120345A1 (en) |
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| CN102773613A (en) * | 2012-08-28 | 2012-11-14 | 扬州兆喆机电科技有限公司 | Laser cutting numerical control system |
| CN106541214A (en) * | 2016-09-30 | 2017-03-29 | 广东正业科技股份有限公司 | Laser cutting equipment and its cutting control method and system |
| CN107672335A (en) * | 2017-09-28 | 2018-02-09 | 长沙八思量信息技术有限公司 | Laser labeling method, laser marking machine and storage medium |
| CN108581245A (en) * | 2018-05-31 | 2018-09-28 | 深圳市海目星激光智能装备股份有限公司 | A kind of holes Mark cutting method applied to battery core pole piece |
| WO2019000322A1 (en) * | 2017-06-29 | 2019-01-03 | 深圳市大疆创新科技有限公司 | Method and apparatus for cutting battery plate |
| CN109926736A (en) * | 2019-04-10 | 2019-06-25 | 英诺激光科技股份有限公司 | A kind of device and method using high frequency nanosecond optical-fiber laser cutting battery pole piece |
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- 2011-01-14 JP JP2013501603A patent/JP2013523452A/en active Pending
- 2011-01-14 DE DE112011101091T patent/DE112011101091T5/en not_active Withdrawn
- 2011-01-14 DE DE202011110437.4U patent/DE202011110437U1/en not_active Expired - Lifetime
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2013523452A (en) | 2013-06-17 |
| WO2011120345A1 (en) | 2011-10-06 |
| DE202011110437U1 (en) | 2014-01-30 |
| DE112011101091T5 (en) | 2013-04-11 |
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