CN217522086U - Compression roller structure and rolling device - Google Patents
Compression roller structure and rolling device Download PDFInfo
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- CN217522086U CN217522086U CN202220930151.7U CN202220930151U CN217522086U CN 217522086 U CN217522086 U CN 217522086U CN 202220930151 U CN202220930151 U CN 202220930151U CN 217522086 U CN217522086 U CN 217522086U
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- compression roller
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Abstract
The utility model belongs to the technical field of battery production and manufacturing, in particular to a compression roller structure and a rolling device, wherein the compression roller structure comprises a driving roller for driving a pole piece to move along a preset direction; a plurality of pressure rollers disposed above the driving roller; a plurality of the compression roller is followed the length direction of drive roller interval arrangement in proper order, be used for with the trench that the interval set up on the pole piece staggers, in order to avoid the compression roller with the trench contact. The utility model discloses an optimize the compression roller structure, avoided the trench on compression roller direct contact pole piece surface, help improving the quality of battery.
Description
Technical Field
The utility model belongs to the technical field of battery production manufacturing, concretely relates to compression roller structure and roll-in device.
Background
The lithium ion battery as a novel secondary battery has the advantages of large energy density and power density, high working voltage, light weight, small volume, long cycle life, good safety, environmental protection and the like, and has wide application prospect in the aspects of portable electric appliances, electric tools, large-scale energy storage, electric traffic power supplies and the like.
At present, the manufacturing equipment of the wide pole piece slot position is mainly applied to the coated cathode and anode pole pieces, so that a small slot position for welding a pole lug is manufactured, the slot position needs to be exposed on the surface of the pole piece, the slot position is uniformly distributed on the surface of the wide pole piece, the thickness difference exists between the slot position and a normal material area, the traditional equipment drives a press roller to be in direct contact with the individual slot position of the wide pole piece, the slot position is easily polluted, and dust foreign matters on the slot position pass through the drive press roller, concave and convex points of the slot position can be caused to form bad appearance, and even the welding effect is influenced.
SUMMERY OF THE UTILITY MODEL
One of the purposes of the utility model lies in: the utility model provides a compression roller structure to prior art's not enough, through optimizing compression roller structure, has avoided the trench on compression roller direct contact pole piece surface, helps improving the quality of battery.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a compression roller structure comprises a driving roller, a first roller and a second roller, wherein the driving roller is used for driving a pole piece to walk along a preset direction; a plurality of pressure rollers disposed above the driving roller; a plurality of the compression roller is followed the length direction of drive roller interval arrangement in proper order, be used for with the trench that the interval set up on the pole piece staggers, in order to avoid the compression roller with the trench contact.
Preferably, the spacing distance between two adjacent press rolls is 50-120 mm.
Preferably, still include the fixed axle, the fixed axle is on a parallel with the drive roller, it is a plurality of the compression roller is all established the fixed axle, the compression roller with fixed mode is the spiro union between the fixed axle.
Preferably, the number of the pressing rollers is greater than the number of the grooves.
Preferably, at least two of the press rollers correspond to the edges of the pole pieces.
Preferably, the driving roller and the pressing roller rotate along the direction of the pole piece tape, and the driving roller and the pressing roller rotate in opposite directions.
Preferably, the driving roller has an outer diameter larger than that of the pressure roller.
Preferably, the device further comprises a first motor and a second motor, wherein the output end of the first motor is connected to the driving roller, and the output end of the second motor is connected to the fixed shaft.
Preferably, the mounting frame is further included, and both ends of the driving roller and both ends of the fixed shaft are erected on the mounting frame.
A second object of the present invention is to provide a rolling device, which comprises the above-mentioned rolling roller structure.
The beneficial effects of the utility model reside in that, the utility model discloses a plurality of compression rollers are interval arrangement in proper order in the top of drive roller, when the drive roller drives the pole piece and passes the clearance between drive roller and the compression roller, interval arrangement's compression roller can avoid compression roller and pole piece to go up the contact, helps avoiding the compression roller to pollute the trench, and when there is the dust foreign matter on the trench, because the compression roller can not pass through the trench, also avoid causing the trench salient point to form the outward appearance bad, influence the condition of welding effect even to improve the yields of battery product. The utility model discloses an optimize the compression roller structure, avoided the trench on compression roller direct contact pole piece surface, help improving the quality of battery.
Drawings
Features, advantages and technical effects of exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Wherein the reference numerals are as follows:
1-a drive roller;
2-pole piece; 20-groove position;
3-pressing roller;
4, fixing a shaft;
x-length direction.
Detailed Description
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, that a person skilled in the art can solve the technical problem within a certain error range, and that a technical effect is substantially achieved.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, detachable connections, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The present invention will be described in further detail with reference to fig. 1, but the present invention is not limited thereto.
Implementation mode one
The following describes embodiment one with reference to fig. 1
The compression roller structure comprises a driving roller 1 for driving the pole piece 2 to move along a preset direction; a plurality of press rollers 3 disposed above the drive roller 1; the plurality of compression rollers 3 are sequentially arranged at intervals along the length direction X of the driving roller 1 and are used for staggering with the slot positions 20 arranged on the pole piece 2 at intervals so as to avoid the contact between the compression rollers 3 and the slot positions 20.
Because the groove position is exposed on the surface of the pole piece, and the groove position is uniformly distributed on the surface of the wide pole piece, and the thickness difference exists between the groove position and the normal material area, the traditional equipment drives the press roller to be directly contacted with the individual groove position of the wide pole piece, so that the groove position is easy to be polluted, and dust foreign matters on the groove position pass through the drive press roller, so that the concave-convex points of the groove position can be caused to form bad appearance, even the welding effect is influenced, therefore, a plurality of press rollers 3 are adopted to be sequentially arranged above the drive roller 1 at intervals, when the drive roller 1 drives the pole piece 2 to pass through the gap between the drive roller 1 and the press rollers 3, the press rollers 3 arranged at intervals can avoid the press rollers 3 and the pole piece 2 from contacting, the concave-convex points 3 can be prevented from polluting the groove position 20, and when the dust foreign matters on the groove position 20, the press rollers 3 can not pass through the groove position 20, the phenomenon that the concave-convex points of the groove position 20 form bad appearance, even the welding effect is influenced is avoided, thereby improving the yield of the battery product, in addition, a plurality of compression rollers 3 set up at interval in proper order for pole piece 2's atress is more even, reduces pole piece 2 and takes place pincher trees probability in transportation process.
In this embodiment, the active material of the pole piece 2 is one of a ternary positive electrode material, a lithium iron phosphate positive electrode material, a lithium cobaltate positive electrode material, or a graphite negative electrode material, and the slot 20 may be formed by laser cleaning or scraping, pre-embedding glue, or heating or physically stripping to obtain one of slots.
According to the utility model discloses an among the compression roller structure, the spacing distance between two adjacent compression rollers 3 is 50 ~ 120 mm. It is specific, can be according to the interval between the trench 20, adjust the quantity and the interval of compression roller 3 in a flexible way, make the stress point of pole piece 2 be located the regional surface outside trench 20, satisfy the trench 20 direct contact who avoids compression roller 3 and pole piece 2 surface can, it is preferred, trench 20 size is 10 20mm, trench 20 interval is 80mm, so that compatible bluetooth, consumption class, power electricity core pole piece, first compression roller 3 is located first trench 20 rear 10 ~ 50mm department, fixed first compression roller 3 position back, 3 intervals of remaining compression roller keep unanimous with trench 20 interval can.
According to the utility model discloses an among the compression roller structure, still include fixed axle 4, fixed axle 4 is on a parallel with drive roller 1, and a plurality of compression roller 3 are all established at fixed axle 4, and fixed mode is the spiro union between compression roller 3 and the fixed axle 4. Specifically, a plurality of compression rollers 3 are fixed at same fixed axle 4, and every compression roller 3 all is equipped with the screw hole with fixed axle 4 contact surface, adopt the screw fixation on fixed axle 4 can, fixed axle 4 surface can have the scale of 1mm precision, conveniently adjusts the interval of compression roller 3 to compatible wide pole piece's different specification trench 20.
In the compression roller structure according to the utility model discloses a quantity of compression roller 3 is greater than the quantity of trench 20, and is concrete, and the quantity of compression roller 3 is 1 than the quantity difference of trench 20, but this embodiment is not limited to this, and the quantity of compression roller 3 can also be equal to the quantity of trench 20.
According to the utility model discloses an among the compression roller structure, two at least compression rollers 3 correspond the edge of pole piece 2 for pole piece 2's atress is more even, reduces pole piece 2's edge and takes place pincher trees probability in transportation process.
The utility model discloses a theory of operation is:
adopt a plurality of compression rollers 3 interval arrangement in proper order in the top of drive roller 1, when drive roller 1 drives pole piece 2 and passes the clearance between drive roller 1 and the compression roller 3, interval arrangement's compression roller 3 can avoid compression roller 3 and pole piece 2 to go up the contact, help avoiding compression roller 3 to pollute trench 20, and when having dust foreign matter on trench 20, because compression roller 3 can not pass through trench 20, it is bad to also avoid causing trench 20 salient point to form the outward appearance, influence the condition of welding effect even, thereby improve the yields of battery products, furthermore, a plurality of compression rollers 3 interval arrangement in proper order, make the atress of pole piece 2 more even, reduce pole piece 2 and take place pincher probability in transportation process.
Second embodiment
The difference from the first embodiment is that: the driving roller 1 and the pressure roller 3 of the present embodiment rotate in the direction in which the pole piece 2 is transported, the driving roller 1 and the pressure roller 3 rotate in the opposite direction, and the outer diameter of the driving roller 1 is larger than the outer diameter of the pressure roller 3. In this embodiment, when all the pressure rollers 3 work, the pressure rollers 3 and the driving roller 1 keep synchronous reverse rotation, the driving roller 1 rotates clockwise when the device is running, all the pressure rollers 3 rotate counterclockwise, the driving roller 1 rotates counterclockwise when the device is rewinding, and all the pressure rollers 3 rotate clockwise.
Other structures are the same as those of the first embodiment, and are not described herein again.
Third embodiment
The difference from the first embodiment is that: this embodiment still includes first motor and second motor, and the output of first motor is connected in drive roller 1, and the output of second motor is connected in fixed axle 4, still includes the mounting bracket, and the both ends of drive roller 1 and the both ends of fixed axle 4 all erect on the mounting bracket. Specifically, drive roller 1 and each compression roller 3 all drive fixed axle 4 through servo motor to obtain the rotation drive power, make pole piece 2 can obtain more even drive power.
Other structures are the same as those of the first embodiment, and are not described herein again.
Rolling device
The utility model discloses a compression roller structure of embodiment one ~ three.
Variations and modifications to the above-described embodiments may become apparent to those skilled in the art from the disclosure and teachings of the above description. Therefore, the present invention is not limited to the above-mentioned embodiments, and any obvious modifications, replacements or variations made by those skilled in the art on the basis of the present invention belong to the protection scope of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. A press roll structure, comprising:
the driving roller (1) is used for driving the pole piece (2) to walk along a preset direction;
a plurality of pressure rollers (3) disposed above the drive roller (1);
a plurality of compression roller (3) are followed length direction (X) interval arrangement in proper order of drive roller (1), be used for with slot position (20) that interval set up on pole piece (2) stagger, in order to avoid compression roller (3) with slot position (20) contact.
2. A roll structure according to claim 1, wherein: the spacing distance between two adjacent compression rollers (3) is 50-120 mm.
3. A roll structure according to claim 1, wherein: still include fixed axle (4), fixed axle (4) are on a parallel with drive roller (1), it is a plurality of compression roller (3) are all established fixed axle (4), compression roller (3) with fixed mode is the spiro union between fixed axle (4).
4. A roll structure according to claim 1, wherein: the number of the press rolls (3) is greater than the number of the slots (20).
5. A roll structure according to claim 1, wherein: at least two press rollers (3) correspond to the edges of the pole piece (2).
6. A roll structure according to claim 1, wherein: the driving roller (1) and the compression roller (3) rotate along the direction of the pole piece (2) belt, and the driving roller (1) and the compression roller (3) are opposite in rotation direction.
7. A roll structure according to claim 1, wherein: the outer diameter of the driving roller (1) is larger than that of the pressing roller (3).
8. A roll structure according to claim 3, wherein: still include first motor and second motor, the output of first motor connect in drive roller (1), the output of second motor connect in fixed axle (4).
9. A roll structure according to claim 3, wherein: still include the mounting bracket, the both ends of drive roller (1) with the both ends of fixed axle (4) are all erect on the mounting bracket.
10. A rolling device is characterized in that: a roll construction comprising a roll structure according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220930151.7U CN217522086U (en) | 2022-04-21 | 2022-04-21 | Compression roller structure and rolling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220930151.7U CN217522086U (en) | 2022-04-21 | 2022-04-21 | Compression roller structure and rolling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217522086U true CN217522086U (en) | 2022-09-30 |
Family
ID=83370973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220930151.7U Active CN217522086U (en) | 2022-04-21 | 2022-04-21 | Compression roller structure and rolling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217522086U (en) |
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2022
- 2022-04-21 CN CN202220930151.7U patent/CN217522086U/en active Active
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