CN117920682A - Film removing device and method for insulating protective film of lithium battery cell - Google Patents
Film removing device and method for insulating protective film of lithium battery cell Download PDFInfo
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- CN117920682A CN117920682A CN202410111190.8A CN202410111190A CN117920682A CN 117920682 A CN117920682 A CN 117920682A CN 202410111190 A CN202410111190 A CN 202410111190A CN 117920682 A CN117920682 A CN 117920682A
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- jig
- battery cell
- lithium battery
- module
- linear motion
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 133
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 133
- 230000001681 protective effect Effects 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000007306 turnover Effects 0.000 claims description 80
- 230000007246 mechanism Effects 0.000 claims description 39
- 230000004048 modification Effects 0.000 claims description 26
- 238000012986 modification Methods 0.000 claims description 26
- 239000000428 dust Substances 0.000 claims description 16
- 239000000853 adhesive Substances 0.000 claims description 9
- 230000001070 adhesive effect Effects 0.000 claims description 9
- 210000000078 claw Anatomy 0.000 claims description 7
- 238000012546 transfer Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 7
- 238000007599 discharging Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000037007 arousal Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0035—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like
- B08B7/0042—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like by laser
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Primary Cells (AREA)
Abstract
The invention relates to a film removing device and method for an insulating protective film of a lithium battery cell, wherein the film removing device comprises a product inlet and outlet shaft, a modified triaxial module, a blanking assembly line and a frame, wherein at least one product inlet and outlet shaft is uniformly distributed on the frame along the Y-axis direction, the product inlet and outlet shaft is arranged along the X-axis direction, the modified triaxial module is arranged on the frame above the product inlet and outlet shaft along the X-axis direction and near the middle part, and the blanking assembly line is arranged on one side of the frame near the X-axis negative direction. The modified triaxial module can rapidly select the processing surface of the lithium battery cell in space, so that 6 surfaces of the lithium battery cell are modified efficiently.
Description
Technical Field
The invention relates to a film removing device and method for an insulating protective film of a lithium battery cell.
Background
With the progress of technology and the arousal of environmental awareness of users, the occupancy of new energy automobiles is gradually increased, and the output of lithium batteries as power sources of the new energy automobiles is also increased. In order to ensure the safety of the lithium battery cell, a layer of insulating protective film is wrapped in the production and manufacturing process, so that the short circuit caused by direct contact between the battery cell and the metal aluminum shell is avoided. As shown in fig. 1, the outline of the lithium battery cell is schematically shown. The surface of the lithium battery cell can be divided into six surfaces, namely an upper surface, a lower surface, a left surface, a right surface, a front surface and a rear surface, wherein the upper surface is opposite to the lower surface, the left surface is opposite to the right surface, and the front surface is opposite to the rear surface. Wherein the convex poles are arranged on the upper surface, the lower surface and the back surface of the structure body, the upper surface, the lower surface and the front surface are completely covered by the insulating protective films made of PET and acrylic materials, the left surface, the right surface and the front surface are partially covered, the left surface and the right surface are covered by the insulating protective films made of structural adhesive materials, but the insulating protective films are difficult to completely and quickly remove due to good adhesiveness. Direct contact removal modes such as manual or mechanical scraping and the like can cause the defects of low processing efficiency, high surface residues, damage to aluminum materials on the surface of the battery cell and the like.
In view of the fact that the existing film removing method cannot meet production requirements, development of a high-efficiency laser film removing device and method for the lithium battery cell insulating protective film is urgently needed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a laser film removing device and a laser film removing method for a lithium battery cell insulating protective film.
The aim of the invention is achieved by the following technical scheme:
The utility model provides a lithium cell insulating protection film remove membrane device which characterized in that: the automatic feeding and discharging machine comprises a product inlet and outlet shaft, a modified triaxial module, a discharging assembly line and a machine frame, wherein at least one product inlet and outlet shaft is uniformly distributed on the machine frame along the Y-axis direction, the product inlet and outlet shaft is arranged along the X-axis direction, the modified triaxial module is arranged on the machine frame above the product inlet and outlet shaft along the X-axis direction and at a position close to the middle part, and the discharging assembly line is arranged on one side of the machine frame close to the X-axis negative direction;
The product inlet and outlet shaft comprises a product X-axis linear motion module and a jig, the product X-axis linear motion module is arranged on the frame along the X-axis direction, the product X-axis linear motion module can drive the jig above to move along the X-axis direction, the jig comprises a jig base and a jig inner frame, the jig inner frame is arranged on the jig base below the jig inner frame, a jig jacking cylinder is arranged on the jig base below the jig inner frame, the driving end of the top of the jig jacking cylinder can drive the jig jacking frame above and positioned in the middle of the inner side of the jig inner frame to move along the Z-axis direction, a rotating shaft is arranged in the middle position on the jig jacking frame, a jig rotary driving mechanism arranged at the bottom of the jig jacking frame can drive the rotating shaft above to rotate in an XY plane, a vacuum chuck used for adsorbing a lithium battery cell is arranged at the top of the rotating shaft, a first positioning bar is arranged at the top of the jig inner frame at two sides of the vacuum chuck along the Y-axis direction, a second positioning bar is arranged at the top of the jig inner frame at two sides of the vacuum chuck along the X-axis direction, a second positioning bar can be respectively driven by two opposite positioning driving mechanisms to move along the two opposite directions, and the two opposite positioning driving mechanisms can be respectively positioned along the two opposite directions;
The modified triaxial module comprises a modified triaxial portal frame, a modified Y-axis linear motion module, a modified Z-axis linear motion module, a vibrating mirror mounting frame, a scanning vibrating mirror for emitting laser beams and a vibrating mirror rotating module, wherein the modified Y-axis linear motion module is arranged on the modified triaxial portal frame, the modified Y-axis linear motion module can drive the modified Z-axis linear motion module to move along the Y-axis direction, the modified Z-axis linear motion module can drive the vibrating mirror mounting frame to move along the Z-axis direction, the vibrating mirror rotating module is arranged on the vibrating mirror mounting frame, and the vibrating mirror rotating module can drive the scanning vibrating mirror to rotate in an XZ plane;
a turnover mechanism is arranged on the frame between the modified triaxial module and the blanking assembly line;
The turnover mechanism comprises a turnover portal frame, at least one turnover module is uniformly distributed on the turnover portal frame along the Y-axis direction, the turnover module comprises a turnover Z-axis linear motion module, a turnover rotary cylinder and a turnover clamping jaw cylinder, the turnover Z-axis linear motion module arranged on the turnover portal frame can drive the turnover rotary cylinder to move along the Z-axis direction, and the turnover rotary cylinder can drive the turnover clamping jaw cylinder to rotate in the YZ plane.
Further, still contain artifical dyestripping position, install artifical dyestripping position in the one side of unloading assembly line along X axle negative direction, the unloading assembly line includes unloading portal frame, install unloading Y axle rectilinear movement module in the top inboard of unloading portal frame, unloading Y axle rectilinear movement module can drive the unloading Z axle lift cylinder of below along Y axle direction removal, unloading Z axle lift cylinder can drive the unloading clamp claw cylinder of below along Z axle side removal, artifical dyestripping position includes unloading conveyer belt, and install the operation panel in one side of unloading conveyer belt.
Further, a third dust collection module is arranged on one side of the blanking conveyor belt.
Further, the outer sides of the jig base are provided with jig outer covers, and the vacuum chucks are exposed out of the jig outer covers.
Further, a first dust collection module is arranged on the jig base at one side of the jig inner frame.
Further, a laser range finder is also arranged on one side of the scanning galvanometer.
Further, a second dust collection module is arranged on the other side of the scanning galvanometer, and the direction of the laser beam emitted by the second dust collection module is consistent with that of the scanning galvanometer.
Further, a laser sensor is installed inside the flipping jaw cylinder.
The invention discloses a film removing method of a lithium battery cell insulating protective film, which comprises the following steps:
Step one: the lithium battery cell is placed on the jig of the product X-axis linear motion module manually and kept upwards, at the moment, the lithium battery cell is located at a first station, the two first positioning strips are driven by the first positioning driving mechanism, the two second positioning strips are driven by the first positioning driving mechanism to jointly realize positioning and clamping of the lithium battery cell, and feeding is completed;
Step two: the product X-axis linear motion module drives a lithium battery cell on the jig to move to a second station, the modified Y-axis linear motion module drives the scanning galvanometer to move to the position right above the lithium battery cell, the modified Z-axis linear motion module carries out up-and-down movement adjustment according to the information fed back by the laser range finder through the distance measurement of the laser range finder and feeds back the information, and then the scanning galvanometer carries out laser modification on the lithium battery cell;
Step three: positioning and clamping of the lithium battery cell in the second step are relieved, the jig jacking cylinder drives the jig jacking frame to jack, the vibrating mirror rotating module drives the scanning vibrating mirror to rotate, and the scanning vibrating mirror carries out laser modification on the insulating protective film in front of the lithium battery cell; then the jig rotation driving mechanism rotates along the anticlockwise direction, and the scanning galvanometer carries out laser modification on the insulating protective film and the structural adhesive on the left side of the lithium battery cell; then the jig rotation driving mechanism continues to rotate along the anticlockwise direction, and the scanning galvanometer carries out laser modification on the insulation protective film behind the lithium battery cell; then the jig rotation driving mechanism continues to rotate along the anticlockwise direction, and the scanning galvanometer carries out laser modification on the insulating protective film and the structural adhesive on the right side of the lithium battery cell; so far, the laser modification of the front, the left, the back and the right of the lithium battery cell is sequentially completed in the step; then the jig jacking cylinder drives the jig jacking frame to descend, and the lithium battery cell is positioned and clamped in the second step;
Step four: the product X-axis linear motion module drives the jig to transfer the lithium battery cell to a third station, the jig jacking cylinder drives the jig jacking frame to jack, the turnover Z-axis linear motion module descends and senses whether the lithium battery cell exists or not through the laser sensor, then the turnover clamping jaw cylinder clamps the product, then the turnover Z-axis linear motion module ascends, the turnover rotating cylinder rotates, then the turnover Z-axis linear motion module descends, the turnover clamping jaw cylinder loosens the lithium battery cell, and the lithium battery cell is positioned and clamped in the second step continuously, wherein the lower surface of the lithium battery cell is arranged upwards;
Step five: the product X-axis linear motion module drives the jig to transfer the lithium battery cell to the second station, the modified Y-axis linear motion module drives the scanning galvanometer to move to the position right above the lithium battery cell, the modified Z-axis linear motion module moves up and down according to the information fed back by the laser range finder for adjustment by ranging and feeding back the information through the laser range finder, and then the scanning galvanometer carries out laser modification on the lower surface of the lithium battery cell;
Step six: the product X-axis linear motion module drives the jig to move the lithium battery cell to a fourth station, the blanking clamping claw cylinder clamps the lithium battery cell, the lithium battery cell is taken and placed on the blanking conveyor belt under the driving of the blanking Y-axis linear motion module and the blanking Z-axis lifting cylinder, and the lithium battery cell flows to the manual operation position through the blanking conveyor belt.
Still further, the method further comprises a step seven: after the lithium battery cell flows to the manual operation position, the manual tearing film is formed on the operation table.
Compared with the prior art, the invention has remarkable advantages and beneficial effects, and is specifically embodied in the following aspects:
① The invention skillfully uses the transmissivity of the insulating protective film to the laser with certain wavelength, so that the laser directly acts on the pressure-sensitive adhesive layer, the pressure-sensitive adhesive is heated to be modified, and finally the viscosity is reduced, thereby greatly reducing the removal difficulty of the insulating protective film;
② The processing method of the invention ensures that the surface material of the insulating protective film is not damaged by physical such as melting, gasification and the like, the surface temperature rise of the lithium battery cell is less than 70 ℃, and the aluminum material of the lithium battery cell is not damaged;
③ The modified triaxial module can rapidly select the processing surface of the lithium battery cell in space, so that 6 surfaces of the lithium battery cell are modified efficiently.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1: the appearance schematic diagram of the lithium battery cell applied to the invention;
Fig. 2: the structure schematic diagram of the laser film removing device is shown in the specification;
Fig. 3: the station schematic diagram of the invention;
fig. 4: the frame and product inlet and outlet shafts of fig. 2 are schematically shown;
fig. 5: FIG. 4 is a schematic view of the structure of the product inlet and outlet shafts;
fig. 6: FIG. 5 is a schematic diagram of a fixture;
fig. 7: FIG. 6 is a schematic diagram of the structure with the jig housing removed;
fig. 8: FIG. 7 is a schematic view of the other side;
fig. 9: FIG. 2 is a schematic diagram of a modified triaxial module;
fig. 10: FIG. 2 is a schematic diagram of the structure of the turnover mechanism;
fig. 11: FIG. 10 is a schematic diagram of a flip module;
fig. 12: the structure schematic diagram of the blanking assembly line and the manual film tearing position in fig. 2;
fig. 13: schematic diagrams of the lithium battery cell of the invention during upper and lower processing;
fig. 14: the left side, the right side, the front side and the back side of the lithium battery cell are processed.
Wherein, the reference numerals:
The product feeding and discharging shaft 1, the modified triaxial module 2, the turnover mechanism 3, the blanking assembly line 4, the frame 5, the manual film tearing position 6, the lithium battery cell 7, the product X-axis linear motion module 8, the jig 9, the jig outer cover 10, the first dust collection module 11, the rotating shaft 12, the vacuum chuck 13, the jig base 14, the jig inner frame 15, the first positioning strip 16, the second positioning strip 17, the first positioning driving mechanism 18, the second positioning driving mechanism 19, the jig jacking cylinder 20, the jig jacking frame 21, the jig rotary driving mechanism 22, the modified Y-axis linear motion module 23, the modified Z-axis linear motion module 24, the vibrating mirror mounting frame 25, the scanning vibrating mirror 26, the vibrating mirror rotary module 27, the laser range finder 28, the second dust collection module 29, the laser beam 30, the turnover portal frame 31, the turnover module 32, the turnover Z-axis linear motion module 33, the turnover rotary cylinder 34, the turnover cylinder 35, the laser sensor 36, the blanking portal frame 37, the blanking Y-axis linear motion module 38, the blanking Z-axis lifting cylinder 39, the blanking clamp claw 40, the blanking clamp belt 40 and the third clamping jaw belt 41.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, in the description of the present invention, directional terms, order terms, etc. are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, the upper surface of the lithium battery cell 7 is denoted by letter a, the lower surface of the lithium battery cell 7 is denoted by letter B, the left surface of the lithium battery cell 7 is denoted by letter C, the right surface of the lithium battery cell 7 is denoted by letter D, the front surface of the lithium battery cell 7 is denoted by letter E, and the rear surface of the lithium battery cell 7 is denoted by letter F.
As shown in fig. 2 to 14, a film removing device for an insulating protective film of a lithium battery cell comprises a product inlet and outlet shaft 1, a modified triaxial module 2, a blanking assembly line 4 and a frame 5, wherein at least one product inlet and outlet shaft 1 is uniformly distributed on the frame 5 along the Y-axis direction, the product inlet and outlet shaft 1 is arranged along the X-axis direction, the modified triaxial module 2 is installed on the frame 5 above the product inlet and outlet shaft 1 along the X-axis direction and at a position close to the middle, and the blanking assembly line 4 is installed on one side of the frame 5 close to the X-axis negative direction.
The product inlet and outlet shaft 1 is used for clamping and moving a lithium battery cell;
the modified triaxial module 2 is used for emitting a laser beam 30 according to set parameters, continuously scanning the insulating protective film on the surface of the lithium battery cell 7, and reducing the viscosity of the insulating protective film after laser modification;
A turnover mechanism 3 for turning over the product;
the blanking assembly line 4 is used for blanking the lithium battery cell after the insulating protective film is removed;
the manual membrane removing position mainly comprises a manual operation table, and insulating protective films and structural adhesives are manually removed.
The product inlet and outlet shaft 1 comprises two parts, namely a product X-axis linear motion module 8 and a jig 9. The jig 9 is fixed on the product X-axis linear motion module 8 through bolts, and the product X-axis linear motion module 8 realizes X-axis direction movement of the jig 9. The upper surface of the jig is provided with X, Y-direction servo centering positioning mechanisms (namely two first positioning strips 16 and two second positioning strips 17) for positioning and clamping the lithium battery cell 7. The jig rotation driving mechanism 22 and the jig jacking cylinder 20 are arranged in the jig, so that the Z-axis direction movement and the rotation around the Z axis of the lithium battery cell 7 are realized, and the lithium battery cell 7 is not interfered with surface parts such as a positioning block and the like during rotation.
Specifically, the product inlet and outlet shaft 1 comprises a product X-axis linear motion module 8 and a jig 9, the product X-axis linear motion module 8 is arranged on the frame 5 along the X-axis direction, the product X-axis linear motion module 8 can drive the jig 9 above to move along the X-axis direction, the jig 9 comprises a jig base 14 and a jig inner frame 15, the jig inner frame 15 is arranged on the jig base 14, a jig jacking cylinder 20 is arranged on the jig base 14 below the jig inner frame 15, a driving end at the top of the jig jacking cylinder 20 can drive the jig jacking frame 21 above and positioned at the middle part of the inner side of the jig inner frame 15 to move along the Z-axis direction, a rotating shaft 12 is arranged at the middle part of the jig jacking frame 21, the jig rotary driving mechanism 22 arranged at the bottom of the jig jacking frame 21 can drive the rotary shaft 12 above to rotate in the XY plane, the top of the rotary shaft 12 is provided with the vacuum chuck 13 used for adsorbing the lithium battery cell 7, the tops of the jig inner frames 15 on two sides of the vacuum chuck 13 along the Y-axis direction are provided with the first positioning strips 16, the tops of the jig inner frames 15 on two sides of the vacuum chuck 13 along the X-axis direction are provided with the second positioning strips 17, the first positioning driving mechanism 18 arranged on the jig inner frames 15 can respectively drive the two first positioning strips 16 to move oppositely or reversely along the Y-axis direction, and the second positioning driving mechanism 19 arranged on the jig inner frames 15 can respectively drive the two second positioning strips 17 to move oppositely or reversely along the X-axis direction. The outer periphery of the jig base 14 is provided with a jig outer cover 10, and the vacuum chuck 13 is exposed outside the jig outer cover 10. The first dust collection module 11 is installed on the jig base 14 at one side of the jig inner frame 15.
The modified triaxial module 2 comprises a modified triaxial portal frame, a modified Y-axis linear motion module 23, a modified Z-axis linear motion module 24, a vibrating mirror mounting frame 25, a scanning vibrating mirror 26 for emitting a laser beam 30, a vibrating mirror rotating module 27 and the like, wherein the scanning vibrating mirror, a laser range finder and a second dust collection module 29 are integrated into one tool head to be carried on an industrial robot, and the industrial robot realizes three-degree-of-freedom movement of the tool head in space. The laser emitted by the laser is transmitted to the scanning galvanometer through optics, and the scanning galvanometer is used for realizing the rapid irradiation of the insulating protective film on the surface of the lithium battery cell. The laser rangefinder is used for positioning and auto focusing, and the second dust collection module 29 is used for blowing away fine scraps generated in the modification process.
Specifically, the modified triaxial module 2 includes modified triaxial portal frame, modified Y-axis rectilinear motion module 23, modified Z-axis rectilinear motion module 24, shake mirror mounting bracket 25, be used for launching laser beam 30's scanning shake mirror 26 and shake mirror rotary module 27, install modified Y-axis rectilinear motion module 23 on modified triaxial portal frame, modified Y-axis rectilinear motion module 23 can drive modified Z-axis rectilinear motion module 24 along Y-axis direction removal, modified Z-axis rectilinear motion module 24 can drive shake mirror mounting bracket 25 along Z-axis direction removal, install shake mirror rotary module 27 on shake mirror mounting bracket 25, shake mirror rotary module 27 can drive scanning shake mirror 26 in XZ plane internal rotation motion. A laser rangefinder 28 is also mounted on one side of the scanning galvanometer 26. A second dust collection module 29 is also arranged on the other side of the scanning galvanometer 26, and the second dust collection module 29 is consistent with the direction of the laser beam 30 emitted by the scanning galvanometer 26.
The turnover mechanism 3 comprises a turnover portal frame 31, a turnover module 32, a turnover Z-axis linear motion module 33, a turnover rotary cylinder 34, a turnover clamping jaw cylinder 35 and the like, wherein the turnover Z-axis linear motion module 33 can be compatible with products with different thicknesses, and the turnover and clamping cylinders can clamp and turn the products.
And a turnover mechanism 3 is arranged on a frame 5 between the modified triaxial module 2 and the blanking assembly line 4. The turnover mechanism 3 comprises a turnover portal frame 31, at least one turnover module 32 is uniformly distributed on the turnover portal frame 31 along the Y-axis direction, the turnover module 32 comprises a turnover Z-axis linear motion module 33, a turnover rotary cylinder 34 and a turnover clamping jaw cylinder 35, the turnover Z-axis linear motion module 33 arranged on the turnover portal frame 31 can drive the turnover rotary cylinder 34 to move along the Z-axis direction, and the turnover rotary cylinder 34 can drive the turnover clamping jaw cylinder 35 to rotate in the YZ plane. A laser sensor 36 is mounted inside the inversion jaw cylinder 35.
Still contain artifical dyestripping position 6, install artifical dyestripping position 6 in the one side of unloading assembly line 4 along X axle negative direction, unloading assembly line 4 includes unloading portal frame 37, unloading Y axle rectilinear movement module 38 is installed to the top inboard at unloading portal frame 37, unloading Z axle lift cylinder 39 that unloading Y axle rectilinear movement module 38 can drive below removes along Y axle direction, unloading Z axle lift cylinder can drive unloading clamp claw cylinder 40 of below remove along Z axle side, artifical dyestripping position 6 includes unloading conveyer belt 41, the lithium electricity core that unloading conveyer belt 41 will modify the membrane removal and end is sent, and install the operation panel in one side of unloading conveyer belt 41. A third dust collection module 42 is installed at one side of the discharging conveyor 41. And manually removing the insulating protective film and the structural adhesive on the modified product.
To improve the processing efficiency, two product inlet and outlet shafts 1 can be arranged to run simultaneously.
Wherein, the laser wavelength range used is 500-1100nm, the laser power range is more than 50w, and the pulse width range is 300 fs-1 us. And a rectangular shaped spot was used with a spot size of 1.5x0.5mm.
In the laser modification process, the lithium battery cell mainly moves in five stations, and the station position diagram is shown in fig. 3.
The laser film removing method for the lithium battery cell insulating protective film specifically comprises the following steps:
Step one:
the lithium battery cell 7 is placed on the jig 9 of the product X-axis linear motion module 8 manually and keeps the upper surface upwards, at the moment, the lithium battery cell 7 is positioned at a first station, the first positioning driving mechanism 18 drives the two first positioning strips 16 and the first positioning driving mechanism 18 drives the two second positioning strips 17 to jointly realize positioning and clamping of the lithium battery cell 7, and feeding is completed;
Step two:
The product X-axis linear motion module 8 drives the lithium battery cell 7 on the jig 9 to move to the second station, the modified Y-axis linear motion module 23 drives the scanning galvanometer 26 to move to be right above the lithium battery cell 7, the distance measurement is carried out through the laser range finder 28, the information is fed back, the modified Z-axis linear motion module 24 moves up and down according to the information fed back by the laser range finder 28 and is regulated, and then the scanning galvanometer 26 carries out laser modification on the lithium battery cell 7;
Step three:
The positioning and clamping of the lithium battery cell 7 in the second step are relieved, the jig jacking cylinder 20 drives the jig jacking frame 21 to jack, the vibrating mirror rotating module 27 drives the scanning vibrating mirror 26 to rotate 90 degrees, and the scanning vibrating mirror 26 carries out laser modification on the insulating protective film in front of the lithium battery cell 7; then the jig rotation driving mechanism 22 rotates 90 degrees along the anticlockwise direction, and the scanning galvanometer 26 carries out laser modification on the insulating protective film and the structural adhesive on the left side of the lithium battery cell 7; then the jig rotation driving mechanism 22 continues to rotate 90 degrees along the anticlockwise direction, and the scanning galvanometer 26 carries out laser modification on the insulation protective film behind the lithium battery cell 7; then the jig rotation driving mechanism 22 continues to rotate 90 degrees along the anticlockwise direction, and the scanning galvanometer 26 carries out laser modification on the insulating protective film and the structural adhesive on the right side of the lithium battery cell 7; so far, the laser modification of the front, the left, the back and the right of the lithium battery cell 7 is sequentially completed in the step; then the jig jacking cylinder 20 drives the jig jacking frame 21 to descend, and the lithium battery cell 7 is positioned and clamped in the second step;
Step four:
The product X-axis linear motion module 8 drives the jig 9 to transfer the lithium battery cell 7 to the third station, the jig jacking cylinder 20 drives the jig jacking frame 21 to jack up, the turnover Z-axis linear motion module 33 descends and senses whether the lithium battery cell 7 exists or not through the laser sensor 36, then the turnover clamping jaw cylinder 35 clamps the product, then the turnover Z-axis linear motion module 33 ascends, the turnover rotating cylinder 34 rotates 180 degrees, the turnover Z-axis linear motion module 33 descends, the turnover clamping jaw cylinder 35 loosens the lithium battery cell 7, the lithium battery cell 7 is positioned and clamped in the second step, and at the moment, the lower surface of the lithium battery cell 7 faces upwards;
Step five:
The product X-axis linear motion module 8 drives the jig 9 to transfer the lithium battery cell 7 to the second station, the modified Y-axis linear motion module 23 drives the scanning galvanometer 26 to move to be right above the lithium battery cell 7, the distance is measured by the laser range finder 28, information is fed back, the modified Z-axis linear motion module 24 moves up and down according to the information fed back by the laser range finder 28 for adjustment, and then the scanning galvanometer 26 carries out laser modification on the lower surface of the lithium battery cell 7;
Step six:
The product X-axis linear motion module 8 drives the jig 9 to transfer the lithium battery cell 7 to a fourth station, the blanking clamping claw cylinder 40 clamps the lithium battery cell 7, and the lithium battery cell 7 is taken and placed on the blanking conveyor belt 41 under the driving of the blanking Y-axis linear motion module 38 and the blanking Z-axis lifting cylinder 39, and the lithium battery cell 7 flows to the manual operation position through the blanking conveyor belt 41;
Step seven: after the lithium battery cell 7 flows to the manual operation position, the manual tearing film is formed on the operation table.
The invention skillfully uses the transmissivity of the insulating protective film to the laser with certain wavelength, so that the laser directly acts on the pressure-sensitive adhesive layer, the pressure-sensitive adhesive is heated to be modified, and finally the viscosity is reduced, thereby greatly reducing the removal difficulty of the insulating protective film; the processing method ensures that the surface material of the insulating protective film is not damaged by physical such as melting, gasification and the like, the surface temperature rise of the lithium battery cell is less than 70 ℃, and the aluminum material of the lithium battery cell is not damaged; the modified triaxial module can rapidly select the processing surface of the lithium battery cell in space, so that 6 surfaces of the lithium battery cell are modified efficiently.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily appreciate variations or alternatives within the scope of the present invention.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. The utility model provides a lithium cell insulating protection film's membrane removal device, includes product business turn over axle (1), modified triaxial module (2), unloading assembly line (4) and frame (5) at least one product business turn over axle (1) have been equispaced along Y axle direction on frame (5), just product business turn over axle (1) set up along X axle direction on frame (5) of product business turn over axle (1) install modified triaxial module (2) along X axle direction and be close to the position in middle part on frame (5) be close to unloading assembly line (4) are installed to one side of X axle negative direction on frame (5); the method is characterized in that:
The product inlet and outlet shaft (1) comprises a product X-axis linear motion module (8) and a jig (9), the product X-axis linear motion module (8) is arranged on the frame (5) along the X-axis direction, the jig (9) above the product X-axis linear motion module (8) can be driven to move along the X-axis direction, the jig (9) comprises a jig base (14) and a jig inner frame (15), the jig inner frame (15) is arranged on the jig base (14), a jig jacking cylinder (20) is arranged on the jig base (14) below the jig inner frame (15), the driving end at the top of the jig jacking cylinder (20) can drive the upper part and the jig jacking frame (21) positioned in the middle of the inner side of the jig inner frame (15) to move along the Z-axis direction, a rotating shaft (12) is arranged at the middle position on the jig jacking frame (21), a jig rotating mechanism (22) arranged at the bottom of the jig jacking frame (21) can drive the rotating shaft (12) to move along the Y-axis (13) in a certain vacuum chuck (13) at the two sides of the vacuum chuck (13), the top of the jig inner frame (15) at two sides of the vacuum chuck (13) along the X-axis direction is provided with second positioning strips (17), a first positioning driving mechanism (18) arranged on the jig inner frame (15) can respectively drive two first positioning strips (16) to move oppositely or reversely along the Y-axis direction, and a second positioning driving mechanism (19) arranged on the jig inner frame (15) can respectively drive two second positioning strips (17) to move oppositely or reversely along the X-axis direction;
The modified triaxial module (2) comprises a modified triaxial portal frame, a modified Y-axis linear motion module (23), a modified Z-axis linear motion module (24), a vibrating mirror mounting frame (25), a scanning vibrating mirror (26) for emitting laser beams (30) and a vibrating mirror rotating module (27), wherein the modified Y-axis linear motion module (23) is installed on the modified triaxial portal frame, the modified Y-axis linear motion module (23) can drive the modified Z-axis linear motion module (24) to move along the Y-axis direction, the modified Z-axis linear motion module (24) can drive the vibrating mirror mounting frame (25) to move along the Z-axis direction, the vibrating mirror rotating module (27) is installed on the vibrating mirror mounting frame (25), and the vibrating mirror rotating module (27) can drive the scanning vibrating mirror (26) to rotate in the XZ plane;
A turnover mechanism (3) is arranged on a frame (5) between the modified triaxial module (2) and the blanking assembly line (4);
The turnover mechanism (3) comprises a turnover portal frame (31), at least one turnover module (32) is uniformly distributed on the turnover portal frame (31) along the Y-axis direction, the turnover module (32) comprises a turnover Z-axis linear motion module (33), a turnover rotary cylinder (34) and a turnover clamping jaw cylinder (35), the turnover Z-axis linear motion module (33) arranged on the turnover portal frame (31) can drive the turnover rotary cylinder (34) to move along the Z-axis direction, and the turnover rotary cylinder (34) can drive the turnover clamping jaw cylinder (35) to rotate in the YZ plane.
2. The film removing device for the insulating protective film of the lithium battery cell according to claim 1, wherein the film removing device comprises: still contain artifical dyestripping position (6) one side of unloading assembly line (4) along X axle negative direction installs artifical dyestripping position (6), unloading assembly line (4) are including unloading portal frame (37) unloading Y axle rectilinear movement module (38) are installed to the top inboard of unloading portal frame (37), unloading Z axle lift cylinder (39) of unloading Y axle rectilinear movement module (38) drivable below is along Y axle direction removal, unloading Z axle lift cylinder can drive unloading clamp claw cylinder (40) of below and remove along Z axle side, artifical dyestripping position (6) are including unloading conveyer belt (41), and the operation panel is installed to one side of unloading conveyer belt (41).
3. The film removing device for the insulating protective film of the lithium battery cell according to claim 2, wherein: a third dust collection module (42) is arranged on one side of the blanking conveyor belt (41).
4. The film removing device for the insulating protective film of the lithium battery cell according to claim 1, wherein the film removing device comprises: the periphery of the outer side of the jig base (14) is provided with a jig outer cover (10), and the vacuum chuck (13) is exposed out of the jig outer cover (10).
5. The film removing device for the insulating protective film of the lithium battery cell according to claim 1, wherein the film removing device comprises: a first dust collection module (11) is arranged on a jig base (14) on one side of the jig inner frame (15).
6. The film removing device for the insulating protective film of the lithium battery cell according to claim 1, wherein the film removing device comprises: a laser range finder (28) is also arranged on one side of the scanning galvanometer (26).
7. The film removing device for the insulating protective film of the lithium battery cell according to claim 1, wherein the film removing device comprises: the other side of the scanning vibrating mirror (26) is also provided with a second dust collection module (29), and the second dust collection module (29) is consistent with the direction of the scanning vibrating mirror (26) for emitting the laser beam (30).
8. The film removing device for the insulating protective film of the lithium battery cell according to claim 1, wherein the film removing device comprises: a laser sensor (36) is arranged on the inner side of the overturning clamping jaw cylinder (35).
9. A film removing method for a lithium battery cell insulating protective film is characterized by comprising the following steps: the method comprises the following steps:
Step one: the lithium battery cell (7) is placed on the jig (9) of the product X-axis linear motion module (8) manually and kept upwards, at the moment, the lithium battery cell (7) is located at a first station, two first positioning strips (16) are driven by a first positioning driving mechanism (18), and two second positioning strips (17) are driven by the first positioning driving mechanism (18) to jointly realize positioning and clamping of the lithium battery cell (7), so that feeding is completed;
Step two: the product X-axis linear motion module (8) drives a lithium battery cell (7) on the jig (9) to move to a second station, the modified Y-axis linear motion module (23) drives a scanning galvanometer (26) to move to the position right above the lithium battery cell (7), the distance is measured by a laser distance meter (28) and information is fed back, the modified Z-axis linear motion module (24) moves up and down according to the information fed back by the laser distance meter (28) for adjustment, and then the scanning galvanometer (26) carries out laser modification on the lithium battery cell (7);
Step three: positioning and clamping of the lithium battery cell (7) in the second step are relieved, the jig jacking cylinder (20) drives the jig jacking frame (21) to jack, the vibrating mirror rotating module (27) drives the scanning vibrating mirror (26) to rotate by 90 degrees, and the scanning vibrating mirror (26) carries out laser modification on an insulation protection film in front of the lithium battery cell (7); then the jig rotary driving mechanism (22) rotates 90 degrees along the anticlockwise direction, and the scanning galvanometer (26) carries out laser modification on the insulating protective film and the structural adhesive on the left side of the lithium battery cell (7); then the jig rotation driving mechanism (22) continues to rotate 90 degrees along the anticlockwise direction, and the scanning galvanometer (26) carries out laser modification on the insulation protective film behind the lithium battery cell (7); then the jig rotary driving mechanism (22) continues to rotate 90 degrees along the anticlockwise direction, and the scanning galvanometer (26) carries out laser modification on the insulating protective film and the structural adhesive on the right side of the lithium battery cell (7); so far, the laser modification of the front, the left, the back and the right of the lithium battery cell (7) is sequentially completed in the step; then the jig jacking cylinder (20) drives the jig jacking frame (21) to descend, and the lithium battery cell (7) is positioned and clamped in the second step continuously;
Step four: the product X-axis linear motion module (8) drives the jig (9) to transfer the lithium battery cell (7) to the third station, the jig lifting cylinder (20) drives the jig lifting frame (21) to lift, the turnover Z-axis linear motion module (33) descends and senses whether the lithium battery cell (7) exists or not through the laser sensor (36), then the product is clamped through the turnover clamping jaw cylinder (35), the turnover Z-axis linear motion module (33) ascends, the turnover rotating cylinder (34) rotates for 180 degrees, the turnover Z-axis linear motion module (33) descends, the turnover clamping jaw cylinder (35) loosens the lithium battery cell (7), and the lithium battery cell (7) is positioned and clamped in the second step, and at the moment, the lower surface of the lithium battery cell (7) is arranged upwards;
Step five: the product X-axis linear motion module (8) drives the jig (9) to transfer the lithium battery cell (7) to the second station, the modified Y-axis linear motion module (23) drives the scanning galvanometer (26) to move to the position right above the lithium battery cell (7), the laser range finder (28) is used for ranging and feeding back information, the modified Z-axis linear motion module (24) moves up and down according to the information fed back by the laser range finder (28) for adjustment, and then the scanning galvanometer (26) carries out laser modification on the lower surface of the lithium battery cell (7);
Step six: product X axle rectilinear movement module (8) drive tool (9) move lithium cell (7) to fourth station, and unloading clamp claw cylinder (40) presss from both sides and gets lithium cell (7) to get lithium cell (7) under the drive of unloading Y axle rectilinear movement module (38) and unloading Z axle lift cylinder (39) and put on unloading conveyer belt (41), lithium cell (7) flow to manual operation position through unloading conveyer belt (41).
10. The method for removing the insulating protective film of the lithium battery cell according to claim 9, wherein the method comprises the following steps: the method also comprises the step seven: after the lithium battery cell (7) flows to the manual operation position, the manual tearing film is formed on the operation table.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410111190.8A CN117920682A (en) | 2024-01-26 | 2024-01-26 | Film removing device and method for insulating protective film of lithium battery cell |
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| CN202410111190.8A CN117920682A (en) | 2024-01-26 | 2024-01-26 | Film removing device and method for insulating protective film of lithium battery cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118143472A (en) * | 2024-05-11 | 2024-06-07 | 常州孟腾智能装备有限公司 | Laser removing device and method for insulating protective paint of lithium battery cell |
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- 2024-01-26 CN CN202410111190.8A patent/CN117920682A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118143472A (en) * | 2024-05-11 | 2024-06-07 | 常州孟腾智能装备有限公司 | Laser removing device and method for insulating protective paint of lithium battery cell |
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