CN114434010A - Processing method and system of cylindrical device for micro-modeling of surface of current collector - Google Patents
Processing method and system of cylindrical device for micro-modeling of surface of current collector Download PDFInfo
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- CN114434010A CN114434010A CN202210041065.5A CN202210041065A CN114434010A CN 114434010 A CN114434010 A CN 114434010A CN 202210041065 A CN202210041065 A CN 202210041065A CN 114434010 A CN114434010 A CN 114434010A
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- 238000003672 processing method Methods 0.000 title claims abstract description 11
- 238000010926 purge Methods 0.000 claims abstract description 22
- 238000012545 processing Methods 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 19
- 238000003754 machining Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 13
- 238000001053 micromoulding Methods 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 11
- 238000005286 illumination Methods 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000005459 micromachining Methods 0.000 claims description 2
- 239000011888 foil Substances 0.000 abstract description 6
- 238000009826 distribution Methods 0.000 abstract description 4
- 238000005530 etching Methods 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 abstract description 3
- 238000009827 uniform distribution Methods 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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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
- B23K26/352—Working by laser beam, e.g. welding, cutting or boring for surface treatment
- B23K26/3568—Modifying rugosity
- B23K26/3584—Increasing rugosity, e.g. roughening
-
- 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
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
- B23K26/142—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
-
- 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
-
- 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
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
- H01M4/75—Wires, rods or strips
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a processing method and a system of a cylindrical device for micro-modeling of the surface of a current collector, which comprises a frame assembly, a shield assembly, a workpiece fixing assembly, a three-axis motion assembly, a laser system assembly, a laser head mounting assembly and a purging assembly, and has the advantages that the processing method and the system of the cylindrical device for micro-modeling of the surface of the current collector adopt laser texturing, have high precision, the micro-modeling appearance can be carved according to the setting, the whole bulge is only 20 micrometers, the radial run-out of a chuck of a main shaft is close to 0 micrometer, the appearance uniform distribution degree is high, when the cylindrical device is repeatedly carved on the current collector, the appearances of two surfaces of the current collector are uniform, the improvement of the conductivity and the cycle life of a battery is facilitated, the cylindrical device rotates along an axis, and the laser moves transversely at the same time, the texturing etching efficiency is improved, and the cost is reduced without a lot of lasers, the pair spiral distribution on the two cylindrical devices of the pair of rollers prevents the foil from shifting in one direction during rolling.
Description
Technical Field
The invention relates to the technical field of current collector processing, in particular to a processing method and a system of a cylindrical device for micro-modeling of the surface of a current collector.
Background
At present, current collectors for commercial lithium batteries are mainly smooth aluminum foils and copper foils, conductive carbon layers and electrode active substances are coated on the surfaces of the aluminum foils and the copper foils, and in the continuous charging and discharging process, the temperature changes repeatedly, so that expansion volume changes easily occur between the active materials and the current collectors, shear stress is generated on the interfaces of the active layers and the current collectors, the local peeling of coatings and the deformation of pole pieces are caused, the capacity and the service life of the batteries are reduced, and the safety performance of the batteries is influenced; in the high-rate charge and discharge process of the lithium ion battery, the polarization effect reduces the energy utilization rate of the battery. The surface property and the mechanical property of the current collector influence the internal resistance of the battery, the wettability of electrolyte, the peeling strength of an active layer and the stress of a pole piece, so that the surface modification treatment needs to be carried out on a current collector foil.
Disclosure of Invention
The invention aims to solve the problems, designs a method and a system for processing a cylindrical device for micro-modeling on the surface of a current collector, and solves the problems of the prior art.
The technical scheme of the invention for realizing the aim is as follows: a processing system of a cylindrical device for micro-molding of the surface of a current collector comprises a frame assembly, a shield assembly, a workpiece fixing assembly, a three-axis motion assembly, a laser system assembly, a laser head mounting assembly and a purging assembly,
the protective cover assembly is arranged on the rack assembly and is suitable for wrapping and protecting each processing assembly inside;
the workpiece fixing assembly is arranged on the rack assembly and is suitable for fixing a workpiece;
the three-axis motion assembly is arranged on the rack and is a motion control mechanism of the laser system assembly;
the laser head mounting assembly is mounted on the three-axis movement assembly and used for fixing the laser system assembly;
the laser system assembly is arranged on the laser head mounting assembly and is used for texturing a workpiece;
the purging assembly is arranged on one side of the laser system assembly and is suitable for purging machining debris;
and the shield assembly is provided with a processing illumination and monitoring assembly, and is suitable for illumination and image monitoring.
The workpiece fixing assembly comprises: the device comprises a mounting seat, a servo motor, a three-jaw chuck, a guide rail, a tailstock, a cylinder and a rotating center;
the servo motor is arranged on the mounting seat, a three-jaw chuck is arranged on one side of the mounting seat, the driving end of the servo motor is connected with the three-jaw chuck, a guide rail extends out of one side of the mounting seat, the tailstock is movably arranged on the guide rail, an air cylinder is arranged on one side of the tailstock, the telescopic end of the air cylinder is connected with the tailstock, and a rotating center is arranged on one side of the tailstock.
The three-axis motion assembly includes: the device comprises a pair of bases, a pair of long cushion blocks, a pair of Z-axis linear motion modules, a Z-axis sliding seat, an X-axis linear motion module, an X-axis sliding seat and a Y-axis linear motion module;
the two sides of the guide rail are provided with a pair of bases, a pair of long cushion blocks are arranged on the pair of bases, a pair of Z-axis linear motion modules are arranged on the long cushion blocks, the Z-axis sliding seats are arranged on the pair of Z-axis linear motion modules, the X-axis linear motion modules are arranged on the Z-axis sliding seats, the X-axis sliding seats are arranged on the X-axis linear motion modules, and the Y-axis linear motion modules are arranged on the X-axis sliding seats.
The laser system assembly includes: a laser head, a laser and a controller;
the laser head is installed on the Y-axis linear motion module, and a laser and a controller are arranged on the laser head.
Laser head installation assembly includes: a mounting plate and a plurality of bolts;
the mounting panel is installed on Y axle linear motion module, laser head one side is provided with a plurality of mounting holes, and is a plurality of be provided with a plurality of bolted connection on the mounting panel in the mounting hole.
The purge assembly comprises: the air outlet joint, the purging pipe and the flat outlet air outlet head;
mounting panel one side is provided with the joint of giving vent to anger, sweep the union coupling on the joint of giving vent to anger, sweep the pipe tip and be flat mouthful of air outlet head.
The process lighting and monitoring assembly comprises: the system comprises a sliding door, an illuminating lamp, a recording camera, a motion trail capturing lens and a wireless data transmitter;
the inner side of the shield assembly is provided with a sliding door with an L-shaped structure, the inner wall surface of the top of the sliding door is provided with an illuminating lamp, one side of the illuminating lamp is provided with a recording camera, one side of the recording camera is connected with a motion trail capturing lens, and one side of the motion trail capturing lens is provided with a wireless data transmitter.
The bottom surface of the top of the sliding door is provided with a power connection seat, and the recording camera, the illuminating lamp, the recording camera, the motion trail capturing lens and the wireless data transmitter are all installed on the power connection seat.
A processing method of a cylindrical device for micro-modeling of the surface of a current collector comprises the following steps: s1, laser head shifting, S2, workpiece clamping, S3, laser head resetting, S4, micro-machining, S5, laser head shifting, S6, blanking, S7 and material preparation;
step S1: moving the laser head to the right to open the L-shaped door on the protective cover;
step S2: clamping the end part of the cylindrical workpiece by using a three-jaw chuck, and tightly pushing the other end of the cylindrical workpiece by using a rotating center;
step S3: closing a sliding door on the shield assembly, and moving the laser head to the left;
step S4: the servo motor is started to drive the cylindrical device to rotate around the axis at a constant speed, then the laser head moves at a constant speed along the axis direction of the cylindrical device, the laser head is opened to emit light, and processing is started;
step S5: after the processing is finished, the laser head moves to the right;
step S6: opening the L-shaped door on the shield, and unloading the cylindrical device;
step S7: ready to process the next cylindrical device.
In the step S7, when machining is performed on the next cylindrical period, the moving direction of the laser head is from right to left.
The processing method and the system of the cylindrical device for the surface micro-modeling of the current collector, disclosed by the invention, have the following advantages:
1. laser texturing is adopted, the precision is high, and the micro-modeling appearance can be carved according to setting;
2. the whole bulge is only 20 micrometers, the precision is high, the accumulated radial run-out is controlled within 5 micrometers, a bearing of the main shaft is required to have certain pretightening force, namely small interference is usually called, and the radial run-out at the chuck installing position of the main shaft is close to 0 micrometer;
3. the appearance distribution degree is high, and when the current collector is repeatedly engraved, the appearance of the two surfaces of the current collector is uniform, so that the conductivity of the battery is improved, and the cycle life of the battery is prolonged;
4. the cylindrical device rotates along the shaft, and meanwhile, the laser moves transversely, so that the texturing etching efficiency is improved, and meanwhile, a plurality of lasers are not needed, and the cost is reduced;
5. the pair spiral distribution on the two cylindrical devices of the pair of rollers prevents the foil from shifting in one direction during rolling.
Drawings
Fig. 1 is an overall isometric view of a method and system for manufacturing a cylindrical device for micro-molding a surface of a current collector according to the present invention.
Fig. 2 is an isometric view of a cylindrical device for micro-molding a surface of a current collector, without a shroud, according to the method and system of the present invention.
Fig. 3 is an isometric view of a workpiece holding assembly for a method and system for machining cylindrical devices for micro-molding the surface of a current collector according to the present invention.
Fig. 4 is an isometric view of a three-axis motion assembly, a laser system assembly, a laser head mounting assembly, and a purge assembly of the method and system for machining cylindrical devices for micro-molding of the surface of a current collector of the present invention.
Fig. 5 is a schematic structural diagram of a processing illumination and monitoring assembly of the processing method and system for cylindrical devices for micro-molding of the surface of a current collector according to the present invention.
In the figure: 1. a frame assembly; 2. a shroud assembly; 3. a workpiece fixing assembly; 4. a three-axis motion assembly; 5. a laser system assembly; 6. a laser head mounting assembly; 7. a purge assembly; 8. processing a lighting and monitoring assembly; 31. a mounting seat; 32. a servo motor; 33. a three-jaw chuck; 34. a guide rail; 35. a tailstock; 36. a cylinder; 37. rotating the centre; 38. a base; 41. a long cushion block; 42. a Z-axis linear motion module; 43. a Z-axis sliding seat; 44. an X-axis linear motion module; 45. an X-axis sliding seat; 46. a Y-axis linear motion module; 51. a laser head; 52. a laser; 53. a controller; 61. mounting a plate; 62. a bolt; 7. an air outlet joint; 72. a purge tube; 73. a flat outlet gas outlet head; 81. a sliding door; 82. an illuminating lamp; 83. a recording camera; 84. a motion trajectory capturing lens; 85. a wireless data transmitter; 86. an electric connection seat; 87. a telescopic push rod.
Detailed Description
The invention is described in detail below with reference to the drawings, as shown in fig. 1-5.
All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.
The embodiment is as follows: according to the attached drawings 1-5 in the specification, the processing system for the cylindrical device for the micro-molding of the surface of the current collector comprises a rack assembly 1, a shield assembly 2, a workpiece fixing assembly 3, a three-axis motion assembly 4, a laser system assembly 5, a laser head mounting assembly 6 and a purging assembly 7, wherein in the specific implementation process, the assemblies jointly form the equipment composition for the micro-molding processing, the workpiece is placed on the workpiece fixing assembly 3, the three-axis motion assembly 4 is used for assisting the laser system assembly 5 to perform the micro-processing on the workpiece, and the functions and the compositions of all the assemblies are as follows:
the shield assembly 2 is arranged on the rack assembly 1 and is suitable for wrapping and protecting each processing assembly inside;
the workpiece fixing assembly 3 is arranged on the rack assembly 1 and is suitable for fixing a workpiece;
the three-axis motion assembly 4 is arranged on the frame and is a motion control mechanism of the laser system assembly 5;
the laser head installation assembly 6 is arranged on the triaxial movement assembly 4 and used for fixing the laser system assembly 5;
the laser system assembly 5 is arranged on the laser head mounting assembly 6 and is used for texturing a workpiece;
the purging assembly 7 is arranged on one side of the laser system assembly 5 and is suitable for purging machining scraps;
the shield assembly 2 is provided with a processing illumination and monitoring assembly 8 which is suitable for illumination and image monitoring.
As can be seen from fig. 1 to 5 of the specification, the workpiece fixing assembly 3 includes: the connection and position relations of the mounting seat 31, the servo motor 32, the three-jaw chuck 33, the guide rail 34, the tailstock 35, the air cylinder 36 and the rotating center 37 are as follows;
the mounting seat 31 is mounted on the rack assembly 1, the servo motor 32 is mounted on the mounting seat 31, a three-jaw chuck 33 is arranged on one side of the mounting seat 31, the driving end of the servo motor 32 is connected with the three-jaw chuck 33, a guide rail 34 extends from one side of the mounting seat 31, the tail seat 35 is movably mounted on the guide rail 34, an air cylinder 36 is arranged on one side of the tail seat 35, the telescopic end of the air cylinder 36 is connected with the tail seat 35, and a rotating center 37 is arranged on one side of the tail seat 35;
in the specific implementation process, the mounting seat 31 is fixedly connected with the rack assembly 1, one end of a workpiece can be clamped by the three-jaw chuck 33 on one side of the mounting seat 31, the tail seat 35 is pushed by the cylinder 36 to slide on the guide rail 34, the rotating center 37 is driven to move to abut against the other end of the workpiece, the three-jaw chuck 33 is driven to rotate by the servo motor 32, the rotation of the workpiece can be synchronously controlled, and the center of the three-jaw chuck 33 is aligned with the center of the rotating center 37.
As can be seen from fig. 1 to 5 of the specification, the three-axis kinematic assembly 4 comprises: a pair of bases 38, a pair of long spacers 41, a pair of Z-axis linear motion modules 42, a Z-axis sliding base 43, an X-axis linear motion module 44, an X-axis sliding base 45, and a Y-axis linear motion module 46, which are connected in the following relationship and position;
a pair of bases 38 is arranged on two sides of the guide rail 34, a pair of long cushion blocks 41 are arranged on the pair of bases 38, a pair of Z-axis linear motion modules 42 are arranged on the pair of long cushion blocks 41, a Z-axis sliding seat 43 is arranged on the pair of Z-axis linear motion modules 42, an X-axis linear motion module 44 is arranged on the Z-axis sliding seat 43, an X-axis sliding seat 45 is arranged on the X-axis linear motion module 44, and a Y-axis linear motion module 46 is arranged on the X-axis sliding seat 45;
in the specific implementation process, the pair of bases 38 plays a role in supporting the pair of long cushion blocks 41, the pair of long cushion blocks 41 are respectively used for fixing the pair of Z-axis linear motion modules 42 which act synchronously, the Z-axis sliding seat 43 can be driven to do linear motion by controlling the Z-axis linear motion modules 42 to complete motion change of the horizontal Z axis, the X-axis sliding seat 45 can be driven to do linear motion by controlling the X-axis linear motion module 44 to complete position adjustment of the X-axis direction, and the height of the laser system can be changed by matching with the Y-axis linear motion module 46, so that three-axis motion adjustment of the laser system is completed under the action of the three-axis motion assembly 4.
As can be seen from fig. 1 to 5 of the specification, the laser system assembly 5 includes: the laser head 51, the laser 52, and the controller 53, whose connection relationship and positional relationship are as follows;
the laser head 51 is arranged on the Y-axis linear motion module 46, and the laser 52 and the controller 53 are arranged on the laser head 51;
in the specific implementation process, the laser head 51 is used for emitting laser energy generated by the laser 52 to the surface of a workpiece in an energy-gathering manner to finish micro-processing of the surface of the workpiece, and the controller 53 can control the generation and on-off of the laser.
As can be seen from figures 1 to 5 of the present description, the laser head mounting assembly 6 comprises: a mounting plate 61 and a plurality of bolts 62, the connection relationship and the positional relationship of which are as follows;
the mounting plate 61 is mounted on the Y-axis linear motion module 46, a plurality of mounting holes are formed in one side of the laser head 51, and a plurality of bolts 62 are arranged in the mounting holes and connected to the mounting plate 61;
in the implementation process, the laser head 51 is fixed on the mounting plate 61 through the mounting holes by a plurality of bolts 62, and the mounting plate 61 is driven to move linearly by the Y-axis linear motion module 46.
As can be seen from fig. 1 to 5 of the specification, the purge assembly 7 comprises: the connection relationship and the position relationship among the air outlet joint 7, the purge pipe 72, and the flat outlet air outlet head 73 are as follows;
an air outlet joint 7 is arranged on one side of the mounting plate 61, the purging pipe 72 is connected to the air outlet joint 7, and the end part of the purging pipe 72 is a flat outlet 73;
in the specific implementation process, the air outlet joint 7 is connected with an external air source, the air source is composed of an air pump, air generated by the air pump is conveyed to the air outlet joint 7 through a pipeline, the air outlet joint 7 is connected with the purging pipe 72, and therefore high-pressure air is blown out of the flat outlet head 73, and scraps generated in workpiece processing are purged.
As can be seen from fig. 1-5 of the specification, the above-mentioned process lighting and monitoring assembly 8 comprises: a sliding door 81, an illuminating lamp 82, a recording camera 83, a motion trail capturing lens 84 and a wireless data transmitter 85, wherein the connection relationship and the position relationship are as follows;
the inner side of the shield assembly 2 is provided with a sliding door 81 with an L-shaped structure, the inner wall surface of the top of the sliding door 81 is provided with an illuminating lamp 82, one side of the illuminating lamp 82 is provided with a recording camera 83, one side of the recording camera 83 is connected with a motion trail capturing lens 84, and one side of the motion trail capturing lens 84 is provided with a wireless data transmitter 85.
In the specific implementation process, the top bottom surface of push-and-pull door 81 is provided with connects electrical seat 86, record camera 83, light 82, record camera 83, motion trail capture lens 84 and wireless data transmitter 85 are all installed on connecting electrical seat 86, illuminate in the guard shield through light 82, make people can see through the glass viewing aperture of guard shield one side and carry out the observation of processing, simultaneously at top and machined part coaxial arrangement record camera 83, record camera 83 is used for recording the course of working, motion trail capture lens 84 is arranged to one side of record camera 83, motion trail capture lens 84 passes through telescopic push rod 87 and connects, the single thread groove of catching laser beam machining that can move about is at the orbit of workpiece surface, thereby detect whether the work piece is processed qualified.
A processing method of a cylindrical device for micro-modeling of the surface of a current collector comprises the following steps:
step S1: the laser head 51 is moved to the right, and an L-shaped door on the protective cover is opened;
step S2: clamping the end of the cylindrical workpiece by using a three-jaw chuck 33, and tightly pushing the other end of the cylindrical workpiece by using a rotating center 37;
step S3: closing a sliding door 81 on the shield assembly 2 and moving the laser head 51 to the left;
step S4: the servo motor 32 is started to drive the cylindrical device to rotate around the axis at a constant speed, then the laser head 51 moves at a constant speed along the axis direction of the cylindrical device, the laser head 51 is opened to emit light, and the processing is started;
step S5: after the machining is finished, the laser head 51 moves to the right;
step S6: opening the L-shaped door on the shield, and unloading the cylindrical device;
step S7: in preparation for processing the next cylindrical device, the laser head 51 is moved from right to left during processing of the next cylindrical device.
In summary, the processing method and system of the cylindrical device for micro-molding on the surface of the current collector adopts laser texturing, the precision is high, the micro-molding appearance can be carved according to the setting, the whole bulge is only 20 micrometers, the precision is very high, the accumulated radial run-out is controlled within 5 micrometers, the bearing of the main shaft is required to have certain pretightening force, namely, the general small interference, the radial run-out of the chuck of the main shaft is close to 0 micron, the appearance is uniformly distributed with high degree, when repeatedly engraved on the current collector, the appearance of the two surfaces of the current collector is uniform, the conductivity of the battery is favorably improved, the cycle life of the battery is prolonged, the cylindrical device rotates along the shaft, meanwhile, the laser moves transversely, thereby improving the texturing etching efficiency, simultaneously reducing the cost without a plurality of lasers 52, the pair spiral distribution on the two cylindrical devices of the pair of rollers prevents the foil from shifting in one direction during rolling.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (10)
1. A processing system of a cylindrical device for micro-modeling of the surface of a current collector is characterized by comprising a rack assembly (1), a shield assembly (2), a workpiece fixing assembly (3), a three-axis motion assembly (4), a laser system assembly (5), a laser head (51) mounting assembly (6) and a purging assembly (7),
the protective cover assembly (2) is arranged on the rack assembly (1) and is suitable for wrapping and protecting each processing assembly inside;
the workpiece fixing assembly (3) is arranged on the rack assembly (1) and is suitable for fixing a workpiece;
the three-axis motion assembly (4) is arranged on the rack and is a motion control mechanism of the laser system assembly (5);
the laser head mounting assembly (6) is mounted on the three-axis movement assembly (4) and used for fixing the laser system assembly (5);
the laser system assembly (5) is arranged on the laser head (51) mounting assembly (6) and is used for texturing a workpiece;
the purging assembly (7) is arranged on one side of the laser system assembly (5) and is suitable for purging machining debris;
and the shield assembly (2) is provided with a processing illumination and monitoring assembly (8) which is suitable for illumination and image monitoring.
2. The system for machining cylindrical devices for micro-sculpting the surface of current collectors according to claim 1, wherein said workpiece fixing assembly (3) comprises: the device comprises a mounting seat (31), a servo motor (32), a three-jaw chuck (33), a guide rail (34), a tail seat (35), an air cylinder (36) and a rotating center (37);
the mounting seat (31) is installed on the frame assembly (1), the servo motor (32) is installed on the mounting seat (31), a three-jaw chuck (33) is arranged on one side of the mounting seat (31), the driving end of the servo motor (32) is connected with the three-jaw chuck (33), a guide rail (34) extends out of one side of the mounting seat (31), a tailstock (35) is movably installed on the guide rail (34), an air cylinder (36) is arranged on one side of the tailstock (35), the telescopic end of the air cylinder (36) is connected with the tailstock (35), and a rotating tip (37) is arranged on one side of the tailstock (35).
3. The system for machining cylindrical devices for the micro-sculpting of the surface of a current collector according to claim 2, wherein said three-axis kinematic assembly (4) comprises: the device comprises a pair of bases (38), a pair of long cushion blocks (41), a pair of Z-axis linear motion modules (42), a Z-axis sliding seat (43), an X-axis linear motion module (44), an X-axis sliding seat (45) and a Y-axis linear motion module (46);
the two sides of the guide rail (34) are provided with a pair of bases (38), a pair of long cushion blocks (41) are arranged on the pair of bases (38), a pair of Z-axis linear motion modules (42) are arranged on the long cushion blocks (41), the Z-axis sliding seats (43) are installed on the pair of Z-axis linear motion modules (42), the X-axis linear motion modules (44) are installed on the Z-axis sliding seats (43), X-axis sliding seats (45) are arranged on the X-axis linear motion modules (44), and Y-axis linear motion modules (46) are arranged on the X-axis sliding seats (45).
4. The system for machining cylindrical devices for micro-sculpting the surface of current collectors according to claim 3, wherein said laser system assembly (5) comprises: a laser head (51), a laser (52), and a controller (53);
laser head (51) are installed on Y axle rectilinear motion module (46), be provided with laser instrument (52) and controller (53) on laser head (51).
5. The system for machining cylindrical devices for micro-structuring the surface of current collectors as claimed in claim 4, wherein said laser head mounting assembly (6) comprises: a mounting plate (61) and a plurality of bolts (62);
mounting panel (61) are installed on Y axle linear motion module (46), laser head (51) one side is provided with a plurality of mounting holes, and is a plurality of be provided with in the mounting hole a plurality of bolts (62) and connect on mounting panel (61).
6. The system for machining cylindrical devices for the micro-sculpting of the surface of current collectors according to claim 5, wherein said purge assembly (7) comprises: the air outlet joint (7), the purging pipe (72) and the flat outlet air outlet head (73);
mounting panel (61) one side is provided with joint (7) of giving vent to anger, sweep pipe (72) and connect on joint (7) of giving vent to anger, sweep pipe (72) tip and be flat mouthful of air outlet head (73).
7. The system for machining cylindrical devices for the micro-sculpting of the surface of current collectors according to claim 6, wherein said machining lighting and monitoring assembly (8) comprises: the system comprises a sliding door (81), an illuminating lamp (82), a recording camera (83), a motion trail capturing lens (84) and a wireless data transmitter (85);
the novel multifunctional protective hood is characterized in that a sliding door (81) of an L-shaped structure is arranged on the inner side of the protective hood assembly (2), an illuminating lamp (82) is arranged on the inner wall surface of the top of the sliding door (81), a recording camera (83) is arranged on one side of the illuminating lamp (82), a motion trail capturing lens (84) is connected to one side of the recording camera (83), and a wireless data transmitter (85) is arranged on one side of the motion trail capturing lens (84).
8. The system for processing the cylindrical device for micro-modeling the surface of the current collector as claimed in claim 7, wherein the sliding door (81) is provided with a connection socket (86) on the top and bottom surface, and the recording camera (83), the illuminating lamp (82), the recording camera (83), the motion trail capturing lens (84) and the wireless data transmitter (85) are all installed on the connection socket (86).
9. A processing method of a cylindrical device for micro-modeling of the surface of a current collector is characterized by comprising the following steps: s1, laser head shifting, S2, workpiece clamping, S3, laser head resetting, S4, micro-machining, S5, laser head shifting, S6, blanking, S7 and material preparation;
step S1: moving the laser head to the right to open the L-shaped door on the protective cover;
step S2: clamping the end part of the cylindrical workpiece by using a three-jaw chuck, and tightly pushing the other end of the cylindrical workpiece by using a rotating center (37);
step S3: closing a sliding door on the shield assembly, and moving the laser head to the left;
step S4: the servo motor is started to drive the cylindrical device to rotate around the axis at a constant speed, then the laser head moves at a constant speed along the axis direction of the cylindrical device, the laser head is opened to emit light, and processing is started;
step S5: after the processing is finished, the laser head moves to the right;
step S6: opening the L-shaped door on the shield, and unloading the cylindrical device;
step S7: ready to process the next cylindrical device.
10. The method for processing a cylindrical device for micro-molding of a surface of a current collector of claim 9, wherein after the step S7, when processing the next cylindrical device, the moving direction of the laser head is from right to left.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210041065.5A CN114434010A (en) | 2022-01-14 | 2022-01-14 | Processing method and system of cylindrical device for micro-modeling of surface of current collector |
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| CN202210041065.5A CN114434010A (en) | 2022-01-14 | 2022-01-14 | Processing method and system of cylindrical device for micro-modeling of surface of current collector |
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Inventor after: Zhou Suchao Inventor after: Sun Baoguo Inventor after: Lv Haina Inventor after: Yang Yuna Inventor after: Chen Yanpeng Inventor before: Zhou Suchao Inventor before: Chen Yunji Inventor before: Sun Baoguo Inventor before: Lv Haina Inventor before: Yang Yuna Inventor before: Chen Yanpeng |