CN218602475U - Rolling device and lithium battery production line - Google Patents
Rolling device and lithium battery production line Download PDFInfo
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- CN218602475U CN218602475U CN202222367526.6U CN202222367526U CN218602475U CN 218602475 U CN218602475 U CN 218602475U CN 202222367526 U CN202222367526 U CN 202222367526U CN 218602475 U CN218602475 U CN 218602475U
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- 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
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Abstract
The application discloses rolling device and lithium cell production line, rolling device are used for the roll-in pole piece, and the pole piece is including setting up and continuous coating membrane district and utmost point ear district along its width direction, and it is along its thickness direction protrusion in utmost point ear district to coat the membrane district, and the rolling device of this application includes: frame, stretching roller, bulge loop, pinch roller. The stretching roller is rotatably arranged on the frame; the convex ring is convexly arranged on the peripheral surface of the stretching roller, the pressing wheel is rotatably connected to the rack, the pressing wheel is arranged opposite to the convex ring, and a gap used for passing through a pole lug area of the pole piece is formed between the pressing wheel and the convex ring. In-process in the clearance between pole piece passing pinch roller and the bulge loop, utmost point ear district is carried on the bulge loop to by bulge loop and pinch roller roll-in, because bulge loop salient in tensile roller setting, utmost point ear district can be raised to the bulge loop, makes utmost point ear district be higher than the coating district, and the in-process in bulge loop cooperation pinch roller roll-in utmost point ear district, the linear velocity in utmost point ear district is greater than the linear velocity in coating district, makes utmost point ear district can obtain tensile extension.
Description
Technical Field
The application relates to the technical field of battery pole piece production, in particular to a rolling device and a lithium battery production line.
Background
In the production process of the battery pole piece, the pole piece needs to be rolled, and because the thickness of the coating area of the pole piece is greater than that of the pole lug area of the pole piece, the pole piece can only be pressed to the coating area part when rolled, the pole lug area is suspended, the coating area can extend during rolling, and the pole lug area does not extend and change, so that the fracture phenomenon is easy to occur between the pole lug area and the coating area.
SUMMERY OF THE UTILITY MODEL
The present application is directed to solving at least one of the problems in the prior art. To this end, the application proposes a roller device which is capable of extending the pole lug region.
The application also provides a lithium battery production line with the rolling device.
According to the embodiment of the first aspect of this application roll device, be used for rolling pole piece, include:
a frame;
the stretching roller is rotatably erected on the frame;
the convex ring is convexly arranged on the peripheral surface of the stretching roller;
the pressing wheel is rotatably connected with the rack, is opposite to the convex rings and forms a gap for passing through a pole lug area of the pole piece between the pressing wheel and the convex rings.
The rolling device according to the first aspect of the present application has at least the following advantageous effects: in-process in the clearance between pole piece passing pinch roller and the bulge loop, utmost point ear district is carried on the bulge loop to by bulge loop and pinch roller roll-in, because bulge loop salient sets up in tensile roller, utmost point ear district can be raised to the bulge loop, makes utmost point ear district be higher than the coating district, thereby, the in-process in bulge loop cooperation pinch roller roll-in utmost point ear district, the linear velocity in utmost point ear district is greater than the linear velocity in coating district, makes utmost point ear district can obtain tensile extension. Therefore, when the pole piece is rolled in the later stage, the strip breaking phenomenon is not easy to generate between the coating film area and the pole lug area, and the pole lug area is not easy to crack.
According to some embodiments of the application, the rolling device further comprises a first driving assembly mounted on the frame, and the first driving assembly is in driving connection with the stretching roller to drive the stretching roller to rotate.
According to some embodiments of the application, the rolling device further comprises a second driving assembly connected to the frame, the second driving assembly is in driving connection with the pressing wheel, and the pressing wheel is used for enabling the pressing wheel to be close to or far away from the stretching roller along the direction crossed with the axial direction of the stretching roller.
According to some embodiments of the application, second drive assembly includes cylinder and guide structure, the cylinder install in the frame, just the cylinder drive is connected the pinch roller, guide structure includes movable part and fixed part, fixed part fixed connection in the frame, movable part mobilizable connect in the fixed part to fixed connection the pinch roller.
According to some embodiments of the application, the rolling device comprises a plurality of the pressing wheels, wherein the plurality of the pressing wheels are distributed along the circumferential direction of the stretching roller, and/or the plurality of the pressing wheels are distributed along the axial direction of the stretching roller.
According to some embodiments of the application, the rolling device further comprises a support frame erected on the frame, the pressing wheel is slidably disposed on the support frame, and the pressing wheel is configured to move relative to the support frame along the axial direction of the stretching roller.
According to some embodiments of the application, still include position control mechanism, position control mechanism includes slide rail, slider, the slide rail along with stretch roller's axial direction parallel set up in the support frame, the slider with slide rail sliding connection, the pinch roller rotationally install in the slider.
According to some embodiments of the application, the male ring is bonded to the stretching roller.
According to the lithium cell production line of the second aspect embodiment of this application, include:
the rolling device of the embodiment of the first aspect;
a tension adjusting mechanism provided at least one of upstream and downstream of the stretching roller;
the tension detection mechanism is arranged at least one of the upstream and the downstream of the tension adjusting mechanism and is used for detecting the tension of the pole piece.
According to the lithium battery production line of the embodiment of the second aspect of the application, at least the following beneficial effects are achieved: including all the advantages of the rolling device according to the embodiment of the first aspect, which will not be described herein.
According to some embodiments of the application, the tension adjusting mechanism comprises an adjusting roller and a third driving assembly, and the third driving assembly is in driving connection with the adjusting roller and used for adjusting the distance between the adjusting roller and the stretching roller.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The present application is further described with reference to the following figures and examples, in which:
fig. 1 is a schematic structural diagram of a lithium battery production line according to an embodiment of a second aspect of the present application, including a schematic structural diagram of a rolling device according to an embodiment of the first aspect;
FIG. 2 is a schematic structural view of FIG. 1 with the frame removed;
FIG. 3 is a schematic view showing a connection structure of the stretching roll and the male ring of FIG. 1;
FIG. 4 is a schematic view of a connection structure between the second driving assembly and the pressing wheel in FIG. 1;
FIG. 5 is a schematic view of the tension adjustment mechanism of FIG. 1;
fig. 6 is a schematic structural view of the tension detecting mechanism in fig. 1.
Reference numerals are as follows:
a second driving assembly 200, a cylinder 210, a guide structure 220, a first bearing 221, a guide rod 222, a cylinder mounting plate 230 and a pinch roller mounting plate 240;
a position adjusting mechanism 300, a slide rail 310, a slider 320;
a tension adjusting mechanism 400, an adjusting roller 410, a third driving assembly 420, a main shaft 421 and an adjusting roller mounting plate 422;
a tension detection mechanism 500, a tension roller 510, a second bearing 520, a tension meter 530, and a tension meter mounting plate 540;
a frame 600, a support 610;
Detailed Description
Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it should be understood that the positional descriptions referred to, for example, the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present application.
In the description of the present application, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and the above, below, exceeding, etc. are understood as excluding the present number, and the above, below, within, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present application, unless otherwise specifically limited, terms such as set, installed, connected and the like should be understood broadly, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present application in combination with the specific contents of the technical solutions.
In the description of the present application, reference to the description of "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples", etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Referring to fig. 1 to 6, a rolling device according to an embodiment of the first aspect of the present application is used for rolling a pole piece 700, and it should be noted that, referring to fig. 1, the pole piece 700 includes a coating film region 720 and a tab region 710 which are arranged and connected in a width direction thereof, and the coating film region 720 protrudes from the tab region 710 in a thickness direction thereof, and referring to fig. 1 and 2, the rolling device of the present application includes: frame 600, stretching roller 110, bulge loop 111, pinch roller 120.
Referring to fig. 1, the stretching roller 110 is rotatably mounted on the frame 600; referring to fig. 2 and 3, the convex ring 111 is convexly disposed on the outer circumferential surface of the stretching roller 110, and the convex ring 111 is disposed at a position corresponding to the pole ear region 710, in a specific embodiment, the sum of the protruding height of the convex ring 111 relative to the stretching roller 110 and the thickness of the pole ear region 710 is greater than the thickness of the film coating region 720 on the side of the pole piece 700 close to the stretching roller 110 or the protruding height of the convex ring 111 relative to the stretching roller 110 is greater than the thickness of the film coating region 720 on the side of the pole piece 700 close to the stretching roller 110; the pressing wheel 120 is rotatably connected to the frame 600, and the pressing wheel 120 is disposed opposite to the protruding ring 111 and forms a gap with the protruding ring 111 for passing through the tab area 710 of the pole piece 700.
It can be understood that, referring to fig. 1, in the process that the pole piece 700 passes through the gap between the pressing wheel 120 and the convex ring 111, the pole ear area 710 is mounted on the convex ring 111 and is rolled by the convex ring 111 and the pressing wheel 120, since the convex ring 111 is disposed to protrude from the stretching roller 110, the convex ring 111 can lift the pole ear area 710, so that the pole ear area 710 is higher than the coating area 720, and thus, in the process that the convex ring 111 cooperates with the pressing wheel 120 to roll the pole ear area 710, the linear velocity of the pole ear area 710 is greater than that of the coating area 720, so that the pole ear area 710 can be stretched. Therefore, when the pole piece 700 is rolled at a later stage, the band breakage between the coating region 720 and the tab region 710 is not easily generated, and the tab region 710 is also not easily cracked.
It should be noted that, in order to realize transmission of the pole piece 700, the present application at least includes at least three modes, wherein:
the first mode is as follows: the utility model provides a roll-in device's upper reaches and low reaches are provided with the transmission roller set that is used for transmitting pole piece 700 respectively, pole piece 700 transmits the roll-in device to this application from the transmission roller set of upper reaches promptly, then, transmit the transmission roller set to low reaches, wherein the transmission roller set passes through motor drive and rotates, drive pole piece 700 forward transmission, pole piece 700 drives stretching roller 110 and pinch roller 120 and rotates, thereby stretching roller 110 cooperates pinch roller 120 to utmost point ear district 710 roll-in, with stretching extension utmost point ear district 710.
The second mode is as follows: in this embodiment, the rolling device further includes a first driving assembly (not shown) mounted on the frame 600, and the first driving assembly is drivingly connected to the stretching roller 110 to drive the stretching roller 110 to rotate.
It is understood that the stretching roller 110 can rotate by the first driving assembly to drive the pole piece 700 to move forward, and can also cooperate with the pressing wheel 120 to stretch and extend the pole ear region 710. In addition, it can be understood that the stretching roller 110 rotating by the first driving assembly can cooperate with the pressing roller 120 to achieve a tension-breaking effect, thereby further preventing the tab region 710 from cracking and breaking. Specifically, the first driving assembly is a motor or a combination of the motor and a speed reducer.
The third mode is as follows: in combination of the first and second modes, that is, the rolling device of the present application is disposed between two conveying roller sets, and the rolling device is driven to rotate by the first driving assembly, it can be understood that the stretching roller 110, in cooperation with the pinch roller 120, can cut off the tension of the upstream and downstream conveying roller sets, so as to prevent the tab region 710 from cracking and breaking.
It should be noted that, in order to enable the rolling apparatus of the present application to adapt to pole pieces 700 with different thicknesses, referring to fig. 1 and fig. 2, in this embodiment, the rolling apparatus further includes a second driving assembly 200 connected to the frame 600, and the second driving assembly 200 drives the connecting pressing wheel 120 to enable the pressing wheel 120 to approach or depart from the stretching roll 110 along a direction intersecting with an axial direction of the stretching roll 110.
It will be appreciated that second drive assembly 200 is capable of driving pinch roller 120 in a direction away from or toward draw roll 110 to adjust the amount of gap between pinch roller 120 and draw roll 110 to accommodate pole pieces 700 of different thicknesses. Further, it will be appreciated that prior to placing pole piece 700, pinch roller 120 may be moved away from tension roller 110 to increase the gap to facilitate passage of pole piece 700 through the gap, i.e., to facilitate emptying.
In order to stabilize the movement process of the pressing roller 120 approaching or moving away from the stretching roller 110, referring to fig. 4, the second driving assembly 200 includes a cylinder 210 and a guiding structure 220, the cylinder 210 is mounted on the frame 600, and the cylinder 210 is in driving connection with the pressing roller 120, and specifically, the pressing roller 120 is rotatably mounted on an output shaft of the cylinder 210. It will be appreciated that the air cylinder 210 is used to drive the pinch rollers 120 toward and away from the stretch rolls 110. And the guiding structure 220 includes a movable portion and a fixed portion, the fixed portion is fixedly connected to the frame 600, the movable portion is movably connected to the fixed portion, and the pressing wheel 120 is fixedly connected thereto. It can be understood that the fixed portion is used as a movable portion for guiding, and the movable portion slides along the fixed portion during the process of the air cylinder 210 driving the pressing wheel 120 to move, so that the output direction of the output shaft of the air cylinder 210 is guided by the cooperation of the fixed portion and the movable portion, the movement of the pressing wheel 120 is more stable, and the parallelism of the pressing wheel 120 and the stretching roller 110 is ensured.
Referring to fig. 4, in the embodiment, the fixed portion includes a first bearing 221, the movable portion includes a guide rod 222, the guide rod 222 is movably disposed through the first bearing 221, an axial direction of the guide rod 222 is perpendicular to an axial direction of the stretching roller 110, and one end of the guide rod 222 is connected to the pressing wheel 120, it can be understood that the guide rod 222 can slide in an inner ring of the first bearing 221 during the process of the cylinder 210 driving the pressing wheel 120 to move. More specifically, the guiding structure 220 further includes a cylinder mounting plate 230 and a pinch roller mounting plate 240, wherein the pinch roller 120 is rotatably mounted to the pinch roller mounting plate 240, the cylinder 210 and the first bearing 221 are mounted to the cylinder mounting plate 230, an output shaft of the cylinder 210 and one end of the guide rod 222 are respectively connected to the pinch roller mounting plate 240, that is, the cylinder 210 drives the pinch roller 120 to move by pushing the pinch roller mounting plate 240, and the guide rod 222 guides the pinch roller mounting plate 240 by matching with the first bearing 221 so as to guide the movement of the pinch roller 120;
in other embodiments, the fixed portion includes a guide rail, and the movable portion includes a guide block, the guide direction of the guide rail is perpendicular to the axial direction of the stretching roller 110, and the guide block is connected to the pressing roller 120, that is, the guide block can slide along the guide rail during the movement of the pressing roller 120 driven by the cylinder 210.
It should be noted that, part of the pole piece 700 may have a plurality of pole ear regions 710 in the width direction, and in order to roll the plurality of pole ear regions 710, referring to fig. 1, the rolling device includes a plurality of pressing wheels 120, wherein the plurality of pressing wheels 120 are distributed along the axial direction of the stretching roller 110. In addition, the pressing wheels 120 are arranged in one-to-one correspondence with the convex rings 111. It will be appreciated that the cooperation of the plurality of press wheels 120 and the raised rings 111 enables the rolling apparatus of the present application to accommodate pole pieces 700 having a plurality of pole ear regions 710.
In addition, in order to improve the extension effect of the opposite pole ear area 710, a plurality of pressing wheels 120 may also be distributed along the circumferential direction of the stretching roller 110, and it can be understood that when the pole piece 700 passes through the rolling device of the present application, the pole ear area 710 at the same position of the pole piece 700 can be rolled by at least more than two pressing wheels 120 and the stretching roller 110, so as to improve the extension effect of the pole ear area 710, and the pressing wheels 120 distributed along the circumferential direction of the stretching roller 110 can further isolate the tension, further reducing the possibility of belt breakage of the pole ear area 710.
It should be noted that, in different pole pieces 700, there may be situations where the width positions of the pole ear regions 710 are different, and in order to adapt to the pole pieces 700 with different pole ear regions 710, referring to fig. 1, the rolling device further includes a supporting frame 610 mounted on the frame 600, the pressing wheel 120 is slidably disposed on the supporting frame 610, and the pressing wheel 120 is configured to move along the axial direction of the stretching roller 110 relative to the supporting frame 610.
It is understood that when the location of the pressing wheel 120 does not correspond to the location of the tab area 710, the pressing wheel 120 can be pushed to slide along the supporting frame 610, so that the pressing wheel 120 can move horizontally relative to the stretching roller 110, so that the pressing wheel 120 corresponds to the location of the convex ring 111, in addition, in order to adapt to the location of the pressing wheel 120, the convex ring 111 and the stretching roller 110 can be detachably connected, so as to adapt to the location of the tab area 710 and the pressing wheel 120, in this embodiment, the convex ring 111 is bonded to the stretching roller 110, and in other embodiments, the convex ring 111 can also be connected to the stretching roller 110 by snapping, riveting, or the like.
With reference to the specific form of the sliding fit between the pressing wheel 120 and the supporting frame 610, in this embodiment, the rolling device further includes a position adjusting mechanism 300, referring to fig. 2, the position adjusting mechanism 300 includes a slide rail 310 and a slider 320, the slide rail 310 is disposed on the supporting frame 610 along a direction parallel to the axial direction of the stretching roller 110, the slider 320 is slidably connected to the slide rail 310, and the pressing wheel 120 is rotatably mounted on the slider 320.
It can be appreciated that when the position of puck 120 needs to be adjusted, slider 320 can drive puck 120 to slide along the direction of track 310, so that puck 120 can slide horizontally with respect to pole piece 700 to align with pole ear region 710.
More specifically, in this embodiment, when the pressing wheel 120 needs to adjust the gap between the pressing wheel 120 and the stretching roller 110 and also needs to achieve the horizontal position of the pressing wheel 120 relative to the stretching roller 110, that is, when the rolling device of the present application includes the second driving assembly 200 and the position adjusting mechanism 300, referring to fig. 2, the second driving assembly 200 is mounted on the sliding block 320, specifically, the cylinder mounting plate 230 is mounted on the sliding block 320, so that in the process of adjusting the horizontal position of the pressing wheel 120, the sliding block 320 drives the second driving assembly 200 to slide along the sliding rail 310, thereby driving the pressing wheel 120 to move together.
For the material of the convex ring 111, in this embodiment, the convex ring 111 is made of teflon, which has better hardness, lower cost and high cost performance; other plastic materials are also possible in other embodiments.
Referring to fig. 1 and 2, a lithium battery production line according to an embodiment of a second aspect of the present application includes: the roll pressing device, the tension adjusting mechanism 400, and the tension detecting mechanism 500 according to the first embodiment.
Wherein the tension adjusting mechanism 400 is provided at least one of upstream and downstream of the stretching roller 110; in this embodiment, the tension adjusting mechanism 400 is provided one each upstream and downstream of the draw roll 110, for adjusting the tension of the pole piece 700 entering the draw roll 110 and the tension of the pole piece 700 output from the draw roll 110. In other embodiments, the tension adjusting mechanism 400 may be provided only upstream or downstream of the stretching roller 110.
The tension detection mechanism 500 is disposed at least one of upstream and downstream of the tension adjustment mechanism 400, and is configured to detect tension of the pole piece 700. In the present embodiment, the tension detecting mechanism 500 includes two, which are respectively disposed upstream and downstream of the stretching roller 110, and specifically, the tension adjusting mechanism 400 is disposed between the tension detecting mechanism 500 and the stretching roller 110.
With respect to the specific structure of the tension adjusting mechanism 400, referring to fig. 5, the tension adjusting mechanism 400 includes an adjusting roller 410 and a third driving assembly 420, and the third driving assembly 420 is drivingly connected to the adjusting roller 410 for adjusting the distance between the adjusting roller 410 and the stretching roller 110, so as to adjust the laying distance of the pole piece 700 on the production line, so as to adjust the tension of the pole piece 700.
In this embodiment, referring to fig. 5, the position of the adjusting roller 410 is adjusted by the tension adjusting mechanism 400 in a swinging manner, specifically, the third driving assembly 420 includes a motor, a spindle 421 and an adjusting roller mounting plate 422, the adjusting roller 410 is mounted on the spindle 421 through the adjusting roller mounting plate 422, an axis of the spindle 421 is parallel to an axis of the adjusting roller 410, and the motor drives the spindle 421 to rotate to drive the spindle 421 to rotate, so as to drive the adjusting roller 410 to swing.
In other embodiments, the tension adjusting mechanism 400 can also adjust the position of the adjusting roller 410 by sliding, specifically, the third driving assembly 420 includes a motor and a main shaft 421, the frame 600 is provided with a rail for the main shaft 421 to slide, that is, two ends of the main shaft 421 are movably disposed on the rail, the adjusting roller 410 is directly disposed on the main shaft 421, and the axes of the two are collinear, it can be understood that the main shaft 421 can drive the adjusting roller 410 to move when sliding along the rail, so as to adjust the position of the adjusting roller 410.
With respect to the specific configuration of the tension detection mechanism 500, referring to fig. 6, the tension detection mechanism 500 includes a tension roller 510, a second bearing 520, a tension meter 530, and a tension meter mounting plate 540. It can be understood that the two ends of the tension roller 510 are respectively provided with the second bearings 520, the second bearings 520 are installed on the tension meter installation plates 540 through the tension meters 530, the tension meter installation plates 540 are installed on the machine frame 600, therefore, the tension roller 510 is erected on the machine frame 600 along the horizontal direction through the tension meter installation plates 540, and through the rotatable arrangement of the second bearings 520, when the pole piece 700 winds through the tension roller 510, the tension meters 530 can test the tension of the pole piece 700.
The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present application. Furthermore, the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
Claims (10)
1. Roll-in device for roll-in pole piece, its characterized in that includes:
a frame (600);
the stretching roller (110) is rotatably erected on the frame (600);
a convex ring (111) which is convexly arranged on the outer peripheral surface of the stretching roller (110);
the pressing wheel (120) is rotatably connected to the frame (600), the pressing wheel (120) is opposite to the convex ring (111), and a gap used for passing through a polar lug area (710) of the pole piece (700) is formed between the pressing wheel (120) and the convex ring (111).
2. The rolling device according to claim 1, further comprising a first driving assembly mounted to the frame (600), the first driving assembly being drivingly connected to the stretching roller (110) for driving the stretching roller (110) to rotate.
3. A roller device according to claim 1, further comprising a second driving assembly (200) connected to the frame (600), the second driving assembly (200) being drivingly connected to the pressing wheel (120) for moving the pressing wheel (120) closer to or farther from the stretching roll (110) in a direction intersecting with an axial direction of the stretching roll (110).
4. A roller press device according to claim 3, wherein the second driving assembly (200) comprises a cylinder (210) and a guiding structure (220), the cylinder (210) is mounted on the frame (600), the cylinder (210) is in driving connection with the roller (120), the guiding structure (220) comprises a movable portion and a fixed portion, the fixed portion is fixedly connected to the frame (600), the movable portion is movably connected to the fixed portion and is fixedly connected with the roller (120).
5. A roller device according to claim 1, characterized in that it comprises a plurality of said press wheels (120), wherein a plurality of said press wheels (120) are distributed along the circumference of the stretching roller (110) and/or a plurality of said press wheels (120) are distributed along the axial direction of the stretching roller (110).
6. The roller pressing device according to claim 1, further comprising a support frame (610) mounted on the frame (600), wherein the pressing wheel (120) is slidably disposed on the support frame (610), and wherein the pressing wheel (120) is configured to move relative to the support frame (610) along an axial direction of the stretching roller (110).
7. The rolling device according to claim 6, further comprising a position adjusting mechanism (300), wherein the position adjusting mechanism (300) comprises a slide rail (310) and a slider (320), the slide rail (310) is disposed on the supporting frame (610) along a direction parallel to an axial direction of the stretching roller (110), the slider (320) is slidably connected with the slide rail (310), and the pressing wheel (120) of the slider (320) is rotatably mounted on the slider (320).
8. Roller device according to claim 1, characterized in that the collars (111) are bonded to the stretching roller (110).
9. Lithium cell production line, its characterized in that includes:
a rolling device according to any one of claims 1 to 8;
a tension adjustment mechanism (400), the tension adjustment mechanism (400) being provided at least one of upstream and downstream of the stretching roller (110);
the tension detection mechanism (500) is arranged at least one of the upstream and the downstream of the tension adjusting mechanism (400) of the pole piece (700) and is used for detecting the tension of the pole piece (700).
10. The lithium battery production line as recited in claim 9, characterized in that the tension adjusting mechanism (400) comprises an adjusting roller (410), and a third driving assembly (420), wherein the third driving assembly (420) is in driving connection with the adjusting roller (410) for adjusting the distance between the adjusting roller (410) and the stretching roller (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222367526.6U CN218602475U (en) | 2022-09-06 | 2022-09-06 | Rolling device and lithium battery production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222367526.6U CN218602475U (en) | 2022-09-06 | 2022-09-06 | Rolling device and lithium battery production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218602475U true CN218602475U (en) | 2023-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222367526.6U Active CN218602475U (en) | 2022-09-06 | 2022-09-06 | Rolling device and lithium battery production line |
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| CN (1) | CN218602475U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118403893A (en) * | 2024-07-03 | 2024-07-30 | 辉县市旭日电源有限公司 | Compaction device for battery positive and negative electrode lug connection piece |
-
2022
- 2022-09-06 CN CN202222367526.6U patent/CN218602475U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118403893A (en) * | 2024-07-03 | 2024-07-30 | 辉县市旭日电源有限公司 | Compaction device for battery positive and negative electrode lug connection piece |
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