CN108987797B - Pole piece roller passing structure - Google Patents
Pole piece roller passing structure Download PDFInfo
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- CN108987797B CN108987797B CN201811102174.3A CN201811102174A CN108987797B CN 108987797 B CN108987797 B CN 108987797B CN 201811102174 A CN201811102174 A CN 201811102174A CN 108987797 B CN108987797 B CN 108987797B
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- 238000005096 rolling process Methods 0.000 claims abstract description 24
- 230000000670 limiting effect Effects 0.000 claims description 22
- 238000009499 grossing Methods 0.000 claims description 12
- 238000010276 construction Methods 0.000 claims 5
- 230000033001 locomotion Effects 0.000 abstract description 15
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 11
- 229910052744 lithium Inorganic materials 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000012797 qualification Methods 0.000 abstract description 6
- 238000001125 extrusion Methods 0.000 abstract description 2
- 238000004804 winding Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/043—Processes of manufacture in general involving compressing or compaction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Rolls And Other Rotary Bodies (AREA)
Abstract
The invention discloses a pole piece passing roller structure, which comprises a first passing roller, a first central shaft and a first fixing component, wherein one end of the inner wall of the first passing roller is provided with a first rolling component, the other end of the inner wall of the first passing roller is provided with a second rolling component, the first passing roller is connected with the first central shaft through the first rolling component and the second rolling component, and the first fixing component is connected with one end of the first central shaft; according to the invention, the first bearing is in a zero clearance state while not receiving axial pressure, so that the friction force received by the first roller is smaller when the first roller rotates, the inertia of the first roller is small, the belt breakage or wrinkling caused by overlarge moment of inertia of a pole piece is avoided, the axial movement of the first roller is reduced, the second bearing is kept in clearance with the second step of the first central shaft, the second bearing is prevented from bearing extrusion to generate axial pressure, and the second bearing is only used for supporting the first roller, so that the resistance received by the first roller is smaller, and the production quality and qualification rate of the lithium battery cell are greatly improved.
Description
Technical Field
The invention relates to the technical field of lithium battery manufacturing, in particular to a pole piece roller passing structure.
Background
Lithium ion batteries are new high-energy batteries that were successfully developed in the 20 th century. Lithium ion research starts in the 80 s of the 20 th century, and the 90 s enter the industrialization stage and develop rapidly. Lithium ion batteries are favored by various industries because of high specific energy, small volume and environmental friendliness, and are widely applied to digital products such as mobile phones, notebook computers and the like, new energy automobiles and the like.
At present, in the lithium battery manufacturing industry, a lithium battery cell winding link is required to be completed through a lithium battery cell winding device, a plurality of passing rollers are usually used in the lithium battery cell winding device for bearing and conveying pole pieces, the existing passing roller structure mounting mode is to press and support an inner ring of a bearing to reduce the gap, so that the purpose of reducing axial transmission is achieved, the supporting bearing is additionally subjected to axial pressure, the friction force of passing roller rotation is increased, the inertia and the inertia of passing roller movement are increased while the friction force is increased, the operation effect and the overall tension control are unstable, and the quality and the qualification rate of the production of the wound lithium battery cell are affected.
Disclosure of Invention
The invention aims to overcome the defects and provide a pole piece roller passing structure.
In order to achieve the above object, the present invention is specifically as follows: the pole piece passing roller structure comprises a first passing roller, a first central shaft and a first fixing component, wherein a first rolling component is arranged at one end of the inner wall of the first passing roller, a second rolling component is arranged at the other end of the inner wall of the first passing roller, the first passing roller is connected with the first central shaft through the first rolling component and the second rolling component, and the first fixing component is connected with one end of the first central shaft;
The first rolling assembly comprises a first bearing seat and a first bearing, the first bearing is arranged in the first bearing seat, the first bearing seat is fixed on the inner wall of the first roller, one end of the first central shaft is provided with a first step, one part of the first bearing inner ring is supported on the first step, and the other part of the first bearing inner ring is supported on the first fixing assembly;
The second rolling assembly comprises a second bearing seat and a second bearing, the second bearing seat is fixed on the inner wall of the first passing roller, the second bearing seat is arranged in the second bearing seat, a second step is arranged at the other end of the first central shaft, and the second bearing is sleeved on the first central shaft;
the first fixing assembly comprises an elastic piece and a limiting piece, the elastic piece and the limiting piece are both located in the first bearing seat, the elastic piece is located between the first bearing and the limiting piece and abuts against the other side of the outer ring of the first bearing, the limiting piece abuts against the first bearing seat, and two sides of the inner ring of the first bearing abut against the first central shaft and the first fixing assembly respectively.
The first fixing assembly further comprises a first locking end cover and a first locking piece, the elastic piece and the limiting piece are sleeved on the first locking end cover, the first locking end cover is fixedly connected with the first central shaft through the first locking piece, the first locking end cover is provided with a third step, and the other part of the first bearing inner ring is supported on the third step and abuts against the first locking end cover.
The end part of the first central shaft, which is close to the second step, is provided with an installation groove, and a fixing hole is arranged in the installation groove.
The pole lug support plate is in arc-shaped arrangement, and one end of the pole lug support plate is movably connected with the first fixing component and can move along the circumferential direction of the first passing roller.
The device further comprises a tab smoothing assembly, and the tab smoothing assembly is movably connected with the first central shaft.
The tab smoothing assembly comprises a second central shaft and a second passing roller, the second passing roller is pivoted with the second central shaft, one end of the second central shaft is movably connected with the first central shaft through an adjusting assembly, and a second fixing assembly is fixed at the other end of the second central shaft.
The second roller inner wall is close to one end of the second fixed assembly and is provided with a third bearing, the third bearing is located between the second roller and the second central shaft, one end, away from the second fixed assembly, of the second roller inner wall is provided with a fourth bearing, and the fourth bearing is located between the second roller and the second central shaft.
The pole lug smoothing assembly further comprises a first locking clamping ring and a second locking clamping ring, a first groove is formed in one end, away from the adjusting assembly, of the second central shaft, a second groove is formed in one end, close to the adjusting assembly, of the second central shaft, the first locking clamping ring is arranged in the first groove and abuts against the third bearing, a gap is formed between the first locking clamping ring and the second fixing assembly, the second locking clamping ring is arranged in the second groove and abuts against the fourth bearing, and a gap is formed between the second locking clamping ring and the adjusting assembly.
The adjusting assembly comprises an angle adjusting plate and a fastening piece, the angle adjusting plate is sleeved on the first central shaft and abuts against the second step, a gap is formed between the angle adjusting plate and the other end of the first passing roller, the fastening piece is in threaded connection with the first central shaft and abuts against the angle adjusting plate, a pivot lug is arranged on the angle adjusting plate along the radial direction, and the second central shaft is fixedly connected with the pivot lug.
The second fixing assembly comprises a second locking end cover and a second locking piece, and the second locking end cover is fixedly connected with the second central shaft through the second locking piece.
The beneficial effects of the invention are as follows: compared with the prior art, the invention realizes that the first bearing is in a zero clearance state while not receiving axial pressure, so that the friction force received by the first roller during rotation is smaller, the motion inertia and the motion inertia are reduced, the overall operation effect and tension control are more stable, the belt breakage or wrinkling of the pole piece caused by overlarge rotation inertia in the winding process is avoided, and the axial movement of the first roller is reduced; the second bearing is kept in clearance with the second step of the first central shaft, the phenomenon of extruding the inner ring and the outer ring of the second bearing is avoided, the second bearing is prevented from bearing to generate axial pressure by extrusion, the sensitivity of the second bearing is ensured, the second bearing is only used for supporting the first passing roller, and thus the resistance born by the first passing roller during rotation is smaller;
On the other hand, because the thickness of the pole lug is extremely thin, the pole lug can be drooped due to self gravity or lifted up due to air flow when the pole piece runs, the phenomenon that the wings of birds swing up and down is generated, the phenomena that the wings of birds are easy to fold, collapse and the like are easily generated, the pole lug supporting plate is added at the corner of the pole piece to guide the pole piece in an arc shape, and the pole lug is guided through the pole lug supporting plate before the pole piece enters the first passing roller.
In addition, the tab has the emergence of upwarp phenomenon when the operation, and the tab is smoothed the subassembly and is pushed down to right and roll the direction to upwarp tab through setting up to realize the tab and go into the smooth function before the roller.
The structure of the invention greatly improves the production quality and the qualification rate of the wound lithium battery cell.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic view of the structure of the present invention when the pole piece is transported;
FIG. 4 is a schematic view of the present invention mounted on an external frame large plate;
FIG. 5 is a schematic view of another view of the present invention;
FIG. 6 is a partial cross-sectional view of one end of the present invention;
FIG. 7 is a partial cross-sectional view of the other end of the present invention;
Reference numerals illustrate: 1-a first pass roller; 2-a first central axis; 21-a mounting groove; 31-a first bearing seat; 32-a first bearing; 41-a second bearing block; 42-a second bearing; 50-a first securing assembly; 51-an elastic member; 52-limiting parts; 53-a first locking end cap; 54-a first locking member; 6-pole ear supporting plates; 71-a second central axis; 72-second passing roller; 73-a third bearing; 74-fourth bearings; 75-a first locking snap ring; 76-a second locking clasp; 771-angle adjustment plate; 772-fasteners; 781-a second locking end cap; 782-a second locking member.
Detailed Description
The invention will now be described in further detail with reference to the drawings and the specific embodiments, without limiting the scope of the invention.
In the description of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1 to 7, the pole piece passing roller structure according to the present embodiment includes a first passing roller 1, a first central shaft 2, and a first fixing component 50, wherein a first rolling component is disposed at one end of an inner wall of the first passing roller 1, a second rolling component is disposed at the other end of the inner wall of the first passing roller 1, the first passing roller 1 is connected with the first central shaft 2 through the first rolling component and the second rolling component, and the first fixing component 50 is connected with one end of the first central shaft 2; the first rolling assembly comprises a first bearing seat 31 and a first bearing 32, the first bearing 32 is arranged in the first bearing seat 31, one side of an outer ring of the first bearing 32 is abutted against the first bearing seat 31, the first bearing seat 31 is fixed on the inner wall of the first roller passing 1, one end of the first central shaft 2 is provided with a first step, one part of an inner ring of the first bearing 32 is supported on the first step, and the other part of the inner ring of the first bearing 32 is supported on the first fixing assembly 50; the second rolling assembly comprises a second bearing seat 41 and a second bearing seat 42, the second bearing seat 41 is fixed on the inner wall of the first roller passing 1, the second bearing seat 42 is arranged in the second bearing seat 41, a second step is arranged at the other end of the first central shaft 2, the second bearing seat 42 is sleeved on the first central shaft 2 and is provided with a gap with the second step, and a mounting virtual position and enough space are reserved to cope with machining errors, so that the assembly is convenient; the first fixing assembly 50 includes an elastic member 51 and a limiting member 52, the elastic member 51 and the limiting member 52 are both located in the first bearing seat 31, the elastic member 51 is located between the first bearing 32 and the limiting member 52 and abuts against the other side of the outer ring of the first bearing 32, the limiting member 52 abuts against the first bearing seat 31, and two sides of the inner ring of the first bearing 32 abut against the first central shaft 2 and the first fixing assembly 50 respectively; the first bearing 32 and the second bearing 42 are deep groove ball bearings or aligning ball bearings, and preferably deep groove ball bearings.
As shown in fig. 2,4 and 6, in this embodiment, the first fixing assembly 50 further includes a first locking end cover 53 and a first locking member 54, the elastic member 51 and the limiting member 52 are both sleeved on the first locking end cover 53, the first locking end cover 53 is in a cylindrical arrangement, the first locking end cover 53 is fixedly connected with the first central shaft 2 through the first locking member 54, a cylindrical third step is axially provided on the first locking end cover 53, and another portion of the inner ring of the first bearing 32 is supported on the third step and abuts against the first locking end cover 53.
Specifically, in this embodiment, the first roller passing 1 preferably uses a carbon fiber roller passing, which has light weight and small inertia, the elastic member 51 uses an elastic corrugated washer, the limiting member 52 uses a limiting hole clasp, the first locking member 54 uses a locking bolt, a threaded hole is formed in the middle of the first locking end cover 53, a threaded hole is formed in the center of the end of the first central shaft 2, the first locking end cover 53 is fixedly connected with the first central shaft 2 through the locking bolt, the outer ring of the first bearing 32 is fixed between the corrugated washer and the first bearing seat 31, and due to the fact that the first bearing seat 31 is fixed on the inner wall of the first roller passing 1, the outer ring of the first bearing 32 is fixed with the first bearing seat 31 through the limiting effect of the limiting hole clasp and the elastic effect of the corrugated washer, so that the outer ring of the first bearing 32 is connected with the first roller passing 1 into a whole, the outer ring of the first bearing 32 is ensured to be in a zero-clearance state, and the axial movement of the first roller passing 1in the material carrying process is overcome; when the first fixing assembly 50 is installed, the inner ring of the first bearing 32 is supported by the first fixing assembly 50 and the first central shaft 2 together and is fixed by the first fixing assembly 50 and the first central shaft 2, so that the inner ring of the first bearing 32 and the first central shaft 2 are connected into a whole, the inner ring of the first bearing 32 is ensured to be in a zero clearance state, the axial float of the first roller 1in the material carrying process is further overcome, the movement clearance of the first roller 1 is the standard clearance of the bearing standard component, and the movement circle runout precision of the first roller 1 is ensured to be in a standard range.
While the inner and outer rings of the first bearing 32 and the second bearing 42 are fixed with the first roller 1 and the first central shaft 2 by welding and bonding, the bearing can be in a gapless state, but the bearing is easily cracked and deformed by welding, the adhesive is easily caused by bonding the bearing to fall off or glue flows into the balls of the bearing, and concentricity between the two bearings is not easily controlled; the way of welding, bonding or other ways of fixing the bearing is not beneficial to the assembly and the replacement of parts; in the embodiment, the outer ring of the first bearing 32 is fixedly connected with the first bearing seat 31 through the wave washer and the limiting hole snap ring, so that the outer ring of the first bearing 32 is indirectly fixedly connected with the first roller passing 1, the movement of the first roller passing 1 is transferred to the movement gap of the first bearing 32, the elastic pressure of the wave washer is needed to be overcome by the clearance movement generated by the standard error of the processing of the first bearing 32, the inner ring of the first bearing 32 is matched and fixed with the first locking end cover 53 through the first central shaft 2, the movement of the inner ring of the first bearing 32 during operation is avoided, and the movement of the first roller passing 1 is ensured to be limited in the standard range; since the first roller 1 is fixed to the first bearing 32 indirectly, the second bearing 42 is only used for supporting the other end of the first roller 1 due to the assembly requirement, and when the first roller 1 rotates, sliding friction does not occur between the inner surface of the second bearing housing 41 and the outer surface of the second bearing 42 because the rotation force applied to the inner surface of the second bearing housing 41 is smaller than the friction force between the inner surface of the first bearing housing 41 and the outer surface of the second bearing 42.
According to the embodiment, the first bearing 32 is ensured to be in a zero clearance state while the first bearing 32 is not subjected to axial pressure, so that the friction force applied to the first roller 1 during rotation is smaller, the motion inertia is reduced, the overall operation effect and tension control are more stable, and the broken belt or wrinkling of a pole piece caused by overlarge rotation inertia in the winding process is avoided; the second bearing 42 and the second step keep a gap, so that the phenomenon of extruding the inner ring and the outer ring of the second bearing 42 does not exist, the second bearing 42 is not extruded, the sensitivity of the second bearing 42 is ensured, the second bearing 42 is only used for supporting the first passing roller 1, and the resistance born by the first passing roller 1 during rotation is smaller; the embodiment is beneficial to improving the production quality and the qualification rate of the wound lithium battery cell.
As shown in fig. 4, 5 and 7, based on the above embodiment, further, an installation groove 21 is formed at the left end of the first central shaft 2, and a fixing hole is formed in the installation groove 21; specifically, the mounting groove 21 is circular, the fixed orifices are the screw hole, the first center pin 2 passes through screw and screw hole cooperation to be fixed on the big board of outside frame, sets up mounting groove 21, reduces the area of contact of first center pin 2 and the big board of outside frame makes the first center pin 2 more firmly installs on the big board of outside frame, has overcome the technological bias that the bigger more firm of first center pin 2 and the big board of outside frame area of contact.
As shown in fig. 1 and fig. 3, based on the above embodiment, the device further includes a tab support plate 6, where the tab support plate 6 is in an arc shape, and one end of the tab support plate 6 is movably connected to the first fixing component 50 and can move along the circumferential direction of the first roller 1; specifically, the tab support plate 6 is movably connected with the first locking end cover 53, an arc groove is formed in the circumference of the first locking end cover 53, one end of the tab support plate 6 is embedded into the arc groove and is movably connected with the first locking end cover 53, the position of the tab support plate 6 can be flexibly adjusted, and the structure is more flexible; when the pole piece is in operation, the pole lug is extremely thin due to the thickness of the pole piece, the pole lug can be drooped due to self gravity or is lifted up due to air flow when the pole piece is in operation, phenomena such as up-and-down swinging of bird wings are generated, wrinkles, corner collapse and the like are easily generated, the pole lug supporting plate 6 is added at the pole piece entering angle to guide the pole lug in an arc shape, and the pole lug is guided through the pole lug supporting plate 6 before the pole piece enters the first passing roller 1, so that the quality and the qualification rate of the production of the wound lithium battery cell are further improved.
1-5 And 7, based on the above embodiment, the device further comprises a tab smoothing assembly, wherein the tab smoothing assembly is movably connected with the first central shaft 2; specifically, when the front end of the tab produces upwarp, the tab smoothing component performs downward pressing and centralizing and rolling guiding on the upwarp tab, so that the smoothing function before the tab is put into the roller is realized, the tab is prevented from being broken, and the production quality and the qualification rate of the wound lithium battery cell are greatly improved.
As shown in fig. 2 and fig. 4, based on the foregoing embodiment, further, the tab leveling assembly includes a second central shaft 71 and a second passing roller 72, where the second passing roller 72 is pivoted with the second central shaft 71, the left end of the second central shaft 71 is movably connected with the left end of the first central shaft 2 through an adjusting assembly, so as to facilitate the placement of a pole piece coiled on the first passing roller 1, and the right end of the second central shaft 71 is fixed with a second fixing assembly; specifically, the second passing roller 72 is preferably a carbon fiber passing roller, the tab enters the lower part of the second passing roller 72 after being guided by the arc shape of the tab supporting plate 6, the second passing roller 72 presses and centers the tab downwards, the second passing roller 72 rotates around the second central shaft 71 and rolls and guides the tab, and the structure is simple, so that the smoothing function before the tab enters the roller is realized.
As shown in fig. 6 and 7, further, based on the above embodiment, a third bearing 73 is disposed at the right end of the inner wall of the second passing roller 72, the third bearing 73 is located between the second passing roller 72 and the second central shaft 71, a fourth bearing 74 is disposed at the left end of the inner wall of the second passing roller 72, and the fourth bearing 74 is located between the second passing roller 72 and the second central shaft 71; specifically, the second roller 72 is connected to the second central shaft 71 through the third bearing 73 and the fourth bearing 74, so that the second roller 72 is guided by the tab in a rolling manner.
As shown in fig. 6 and 7, based on the above embodiment, further, the tab leveling assembly further includes a first locking snap ring 75 and a second locking snap ring 76, a first groove is disposed at the right end of the second central shaft 71, a second groove is disposed at the left end of the second central shaft 71, the first locking snap ring 75 is disposed in the first groove and abuts against the third bearing 73, a gap is disposed between the first locking snap ring 75 and the second fixing assembly, the second locking snap ring 76 is disposed in the second groove and abuts against the fourth bearing 74, and a gap is disposed between the second locking snap ring 76 and the adjusting assembly; specifically, the first locking snap ring 75 and the second locking snap ring 76 respectively abut against two ends of the second roller 72, so as to limit the axial movement of the second roller 72, and meanwhile, a gap is formed between the first locking snap ring 75 and the second fixing component, and a gap is formed between the second locking snap ring 76 and the adjusting component, so that the second roller 72 can rotate conveniently, and friction force applied when the second roller 72 rotates is reduced.
As shown in fig. 2, 4, 5 and 7, based on the above embodiment, further, the adjusting assembly includes an angle adjusting plate 771 and a fastener 772, the angle adjusting plate 771 is sleeved on the first central shaft 2 and abuts against the second step, a gap is formed between the angle adjusting plate 771 and the left end of the first roller 1, the fastener 772 is in threaded connection with the first central shaft 2 and abuts against the angle adjusting plate 771, a pivot ear is disposed on the angle adjusting plate 771 along the radial direction, and the second central shaft 71 is fixedly connected with the pivot ear; specifically, the fastener 772 adopts a lock nut, the lock nut is screwed on the second central shaft 71 and is fixed on the angle adjustment plate 771, when the lock nut is loosened, the angle adjustment plate 771 can rotate under the action of external force and drive the second central shaft 71 to rotate, and the position of the second passing roller 72 is adjusted, so that the second passing roller 72 is more beneficial to smooth adjustment of the tab, and the structure is more flexible.
As shown in fig. 6, based on the above embodiment, further, the second fixing assembly includes a second locking end cover 781 and a second locking member 782, where the second locking end cover 781 is fixedly connected to the second central shaft 71 through the second locking member 782; specifically, the second locking end cover 781 is in a cylindrical shape, a containing groove for containing the second locking piece 782 and a groove matched with the second central shaft 71 are formed in the middle of the second locking end cover 781, the second locking piece 782 is a socket head cap bolt, a threaded hole is formed in the middle of the second locking end cover 781, a threaded hole is formed in the end portion of the second central shaft 71, and the second locking end cover 781 and the second central shaft 71 are fixed together through the socket head cap bolt, so that the structure is firmer.
The foregoing description is only one preferred embodiment of the invention, and therefore all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the invention are intended to be embraced therein.
Claims (6)
1. The utility model provides a pole piece roll-through structure which characterized in that: the device comprises a first roller (1), a first central shaft (2) and a first fixing component (50), wherein a first rolling component is arranged at one end of the inner wall of the first roller (1), a second rolling component is arranged at the other end of the inner wall of the first roller (1), the first roller (1) is connected with the first central shaft (2) through the first rolling component and the second rolling component, and the first fixing component (50) is connected with one end of the first central shaft (2);
The first rolling assembly comprises a first bearing seat (31) and a first bearing (32), the first bearing (32) is arranged in the first bearing seat (31), the first bearing seat (31) is fixed on the inner wall of the first roller (1), a first step is arranged at one end of the first central shaft (2), one part of an inner ring of the first bearing (32) is supported on the first step, and the other part of the inner ring of the first bearing (32) is supported on the first fixing assembly (50);
The second rolling assembly comprises a second bearing seat (41) and a second bearing (42), the second bearing seat (41) is fixed on the inner wall of the first roller (1), the second bearing seat (42) is arranged in the second bearing seat (41), a second step is arranged at the other end of the first central shaft (2), and the second bearing (42) is sleeved on the first central shaft (2);
The first fixing assembly (50) comprises an elastic piece (51) and a limiting piece (52), the elastic piece (51) and the limiting piece (52) are both positioned in the first bearing seat (31), the elastic piece (51) is positioned between the first bearing (32) and the limiting piece (52) and abuts against the other side of the outer ring of the first bearing (32), the limiting piece (52) abuts against the first bearing seat (31), and two sides of the inner ring of the first bearing (32) abut against the first central shaft (2) and the first fixing assembly (50) respectively;
The tab smoothing assembly comprises a second central shaft (71) and a second passing roller (72), the second passing roller (72) is pivoted with the second central shaft (71), one end of the second central shaft (71) is movably connected with the first central shaft (2) through an adjusting assembly, and a second fixing assembly is fixed at the other end of the second central shaft (71);
A third bearing (73) is arranged at one end, close to the second fixing assembly, of the inner wall of the second passing roller (72), the third bearing (73) is located between the second passing roller (72) and the second central shaft (71), a fourth bearing (74) is arranged at one end, far away from the second fixing assembly, of the inner wall of the second passing roller (72), and the fourth bearing (74) is located between the second passing roller (72) and the second central shaft (71);
The tab leveling assembly further comprises a first locking snap ring (75) and a second locking snap ring (76), wherein a first groove is formed in one end, far away from the adjusting assembly, of the second central shaft (71), the first groove is formed between the third bearing (73) and the second fixing assembly, a second groove is formed in one end, close to the adjusting assembly, of the second central shaft (71), the second groove is formed between the fourth bearing (74) and the adjusting assembly, the first locking snap ring (75) is arranged in the first groove and abuts against the third bearing (73), a gap is formed between the first locking snap ring (75) and the second fixing assembly, the second locking snap ring (76) is arranged in the second groove and abuts against the fourth bearing (74), and a gap is formed between the second locking snap ring (76) and the adjusting assembly;
The end part of the first central shaft (2) close to the second step is provided with a mounting groove (21), and a fixing hole is formed in the mounting groove (21).
2. A pole piece roll-over construction as claimed in claim 1, wherein: the first fixing assembly (50) further comprises a first locking end cover (53) and a first locking piece (54), the elastic piece (51) and the limiting piece (52) are sleeved on the first locking end cover (53), the first locking end cover (53) is fixedly connected with the first central shaft (2) through the first locking piece (54), the first locking end cover (53) is provided with a third step, and the other part of the inner ring of the first bearing (32) is supported on the third step and abuts against the first locking end cover (53).
3. A pole piece roll-over construction as claimed in claim 1, wherein: the novel solar battery cell also comprises a pole lug supporting plate (6), wherein the pole lug supporting plate (6) is in an arc-shaped arrangement, and one end of the pole lug supporting plate (6) is movably connected with the first fixing component (50) and can move along the circumferential direction of the first passing roller (1).
4. A pole piece roll-over construction as claimed in claim 1, wherein: the device further comprises a tab smoothing assembly, and the tab smoothing assembly is movably connected with the first central shaft (2).
5. A pole piece roll-over construction as claimed in claim 1, wherein: the adjusting component comprises an angle adjusting plate (771) and a fastener (772), the angle adjusting plate (771) is sleeved on the first central shaft (2) and abuts against the second step, a gap is formed between the angle adjusting plate (771) and the other end of the first passing roller (1), the fastener (772) is in threaded connection with the first central shaft (2) and abuts against the angle adjusting plate (771), a pivot lug is arranged on the angle adjusting plate (771) in the radial direction, and the second central shaft (71) is fixedly connected with the pivot lug.
6. A pole piece roll-over construction as claimed in claim 1, wherein: the second fixing assembly comprises a second locking end cover (781) and a second locking member (782), and the second locking end cover (781) is fixedly connected with the second central shaft (71) through the second locking member (782).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811102174.3A CN108987797B (en) | 2018-09-20 | 2018-09-20 | Pole piece roller passing structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811102174.3A CN108987797B (en) | 2018-09-20 | 2018-09-20 | Pole piece roller passing structure |
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| CN108987797A CN108987797A (en) | 2018-12-11 |
| CN108987797B true CN108987797B (en) | 2024-05-17 |
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| CN201811102174.3A Active CN108987797B (en) | 2018-09-20 | 2018-09-20 | Pole piece roller passing structure |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109807115A (en) * | 2019-04-02 | 2019-05-28 | 广东基泰智能设备有限公司 | A kind of dedusting mechanism |
| CN110739442A (en) * | 2019-11-18 | 2020-01-31 | 凌帕新能源科技(上海)有限公司 | dead fold prevention device for pole piece |
| CN111900324B (en) * | 2020-07-17 | 2022-11-15 | 合肥国轩高科动力能源有限公司 | Lithium-ion battery pole piece rolling device |
| CN113532037A (en) * | 2021-07-14 | 2021-10-22 | 湖南泰嘉新材料科技股份有限公司 | Band saw blade water absorption device |
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| CN205023395U (en) * | 2015-10-10 | 2016-02-10 | 浙江宝科机械有限公司 | High -efficient waterproof dustproof bearing roller of light resistance |
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