CN219525362U - Positioning structure, pole piece feeding structure and lithium battery production device - Google Patents
Positioning structure, pole piece feeding structure and lithium battery production device Download PDFInfo
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- CN219525362U CN219525362U CN202320520922.XU CN202320520922U CN219525362U CN 219525362 U CN219525362 U CN 219525362U CN 202320520922 U CN202320520922 U CN 202320520922U CN 219525362 U CN219525362 U CN 219525362U
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- positioning
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 title abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 230000001154 acute effect Effects 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000007306 turnover Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 12
- 238000013329 compounding Methods 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009434 installation 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
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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 utility model relates to a positioning structure, a pole piece feeding structure and a lithium battery production device, wherein the positioning structure comprises: the positioning mechanism comprises a first positioning piece and a second positioning piece, a first positioning edge and a second positioning edge are respectively formed by the first positioning piece and the second positioning piece, and the first positioning edge and the second positioning edge are arranged in an angle; the steering roller is arranged between the first positioning edge and the second positioning edge, the steering roller forms an acute angle with the first positioning edge and the second positioning edge respectively, and the height of the positioning piece is larger than that of the steering roller; the locating piece and the steering roller are arranged on the mounting bracket. The utility model improves the positioning precision in the pole piece feeding process, so that the pole piece is not easy to deviate, and meanwhile, the stability is good, and the yield of the battery cell is improved.
Description
Technical Field
The utility model relates to the technical field of manufacturing of new energy lithium batteries, in particular to a positioning structure, a pole piece feeding structure and a lithium battery production device.
Background
The lithium ion battery and the polymer battery thereof are becoming more and more popular worldwide due to the characteristics of high safety, large specific capacity, light weight and the like, the production value of the lithium ion battery and the polymer battery thereof in China is expanding continuously, and the production equipment accompanied with the lithium ion battery and the polymer battery thereof is also developing vigorously and improving continuously.
The battery pole piece feeding is a necessary process before the lamination of the battery pole piece, at present, a taking and placing mechanism is mainly adopted to absorb the pole piece and attach the pole piece to the diaphragm, the pole piece is easy to deviate in the process of absorbing the pole piece by the taking and placing mechanism, if the deviated pole piece is not regulated, the pole piece is easy to cause that the pole piece is attached to the diaphragm and is not at a preset position, so that the yield of the battery core obtained by production is reduced, and an image recognition device is arranged in the battery pole piece feeding device to recognize the transmitted pole piece, and meanwhile, the battery pole piece is positioned by a positioning table.
However, according to the scheme of positioning the battery pole piece by the image recognition technology, on one hand, the requirement on the imaging precision of related imaging equipment is very high, so that the cost is obviously increased; on the other hand, the stability is also limited, and once the imaging equipment fails or the calculation process deviates, the positioning precision is insufficient.
Disclosure of Invention
The embodiment of the utility model provides a positioning structure and a feeding device, which are used for solving the problems that in the related art, the positioning accuracy is not high enough when a battery pole piece is positioned by an image recognition technology, and the pole piece is easy to deviate, so that the yield of a battery core is reduced.
In a first aspect, a positioning structure is provided. It comprises the following steps:
the positioning mechanism comprises a first positioning piece and a second positioning piece, a first positioning edge and a second positioning edge are respectively formed by the first positioning piece and the second positioning piece, and the first positioning edge and the second positioning edge are arranged in an angle;
the steering roller is arranged between the first positioning edge and the second positioning edge, the steering roller forms an acute angle with the first positioning edge and the second positioning edge respectively, and the height of the positioning piece is larger than that of the steering roller;
the locating piece and the steering roller are arranged on the mounting bracket.
Preferably, a plurality of the steering rollers are provided, and a plurality of the steering shafts are provided in parallel.
Preferably, a plurality of steering rollers are arranged in a plurality of rows, and each row is provided with a plurality of steering rollers, so that a plurality of steering rollers form a steering roller set, and the steering roller set comprises a plurality of steering rollers and is arranged on the mounting bracket in parallel in the same direction.
Preferably, the first positioning edge is perpendicular to the second positioning edge.
Preferably, the first positioning piece is a positioning piece, and the height of the first positioning piece is larger than that of the steering roller.
Preferably, the second positioning member is a positioning column, and the height of the second positioning member is larger than that of the steering roller.
In a second aspect, a pole piece feeding structure is provided, including a conveying roller and any one of the above positioning structures, and the positioning structure is located at the downstream of the conveying roller.
Preferably, the positioning structure further comprises a mounting plate and a jacking mechanism, the steering roller set is fixedly connected to the mounting plate, one side, away from the steering roller, of the mounting plate is rotationally connected with the mounting bracket, and the driving end of the jacking mechanism is in transmission connection with the mounting plate and jacks the mounting plate to be higher than the first positioning piece or the second positioning piece.
Preferably, the positioning structure further comprises a jacking mechanism and a driving piece, the jacking mechanism is rotationally connected to the mounting bracket, the second positioning piece is arranged on the jacking mechanism, and the driving piece drives the jacking mechanism to overturn.
In a third aspect, a lithium battery production device is provided, including diaphragm unreel the subassembly, two arbitrary more the pole piece feeding structure, and one of them pole piece feeding structure is used for carrying the positive plate, another pole piece feeding structure is used for carrying the negative plate.
The technical scheme provided by the utility model has the beneficial effects that:
(1) According to the positioning structure, the pole piece feeding structure and the lithium battery production device, the pole piece is subjected to deviation correcting and positioning through the mechanical structure by the matching arrangement of the steering roller and the positioning piece, so that the positioning structure has good stability, the positioning precision of the pole piece is improved, and the yield of the battery core is improved;
(2) According to the positioning structure, the pole piece feeding structure and the lithium battery production device, when the pole piece is positioned and conveyed to the next process, the upper positioning piece arranged above the steering roller ensures that the positioning accuracy of the pole piece can be maintained when the pole piece is conveyed out of the positioning structure;
(3) According to the positioning structure, the pole piece feeding structure and the lithium battery production device, the pole piece conveying track is arranged between the positioning structure and the thermal compounding equipment and consists of the plurality of rollers, so that the pole piece is ensured to have high accuracy in the transportation process, and the pole piece is prevented from shifting in the transmission process.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a pole piece feeding structure provided by an embodiment of the present utility model;
fig. 2 is a side view of a pole piece feeding structure provided by an embodiment of the present utility model;
FIG. 3 is a top view of a pole piece feeding structure provided by an embodiment of the utility model;
fig. 4 is a schematic structural diagram of a lithium battery production device according to an embodiment of the present utility model.
In the figure: 1. a conveying roller; 2. a pinch roller; 3. a steering roller; 4. a mounting plate; 5. a first positioning member; 6. a second positioning member; 7. a jacking mechanism; 701. a cam; 702. a fixing plate; 703. a roller; 8. a mounting bracket; 9. an upper positioning piece; 10. a diaphragm unreeling mechanism, 11 and a thermal compounding device.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The embodiment of the utility model provides a positioning structure, a pole piece feeding structure and a lithium battery production device, which can solve the problems that in the related art, the positioning accuracy is not high enough when a battery pole piece is positioned by an image recognition technology, and the pole piece is easy to deviate, so that the yield of a battery core is reduced.
1-3, a positioning structure comprises a steering roller 3 and a positioning mechanism, wherein the positioning mechanism at least comprises a first positioning piece 5 arranged along a first direction and a second positioning piece 6 arranged along a second direction, and the transmission direction of the steering roller 3 faces to an included angle between the first direction and the second direction. When the pole piece is conveyed on the steering roller 3, the pole piece can be conveyed to the direction facing the included angle between the first direction and the second direction, so that two adjacent side edges of the pole piece respectively collide with the first positioning piece 5 and the second positioning piece 6, and the pole piece is positioned at the fixed position of the positioning mechanism, so that the accurate positioning of each pole piece is realized.
Due to the adoption of the structure, the pole piece is subjected to deviation correcting and positioning through the mechanical structure by arranging the steering roller 3 which is arranged at an angle, so that the positioning precision of the pole piece is improved, meanwhile, the occurrence of faults is reduced, and the yield of the battery cell is improved.
Specifically, in this embodiment, the steering rollers 3 are set in groups, each group of steering rollers includes a plurality of steering rollers 3, the plurality of steering rollers 3 are arranged in three rows, and each row also has three steering rollers 3 arranged, so that the plurality of steering rollers form a steering roller group structure, and the pole pieces can be more stably transported.
Further, in this embodiment, a plurality of sets of steering roller sets are provided, and three sets of steering roller sets are arranged in parallel, and the installation direction and the rotation direction of each steering roller 3 are the same. Of course, in other embodiments, the number of turning rolls 3 may be adjusted as needed to accommodate the size of the material being transported.
In one embodiment, the positioning device comprises a first positioning piece 5 and a second positioning piece 6, the first positioning piece 5 forms a first positioning edge, the first positioning piece 5 is a rectangular plate and is fixedly arranged on the mounting bracket 8, the first positioning piece 5 has a certain height, and the height is larger than that of the steering roller 3, so that the pole piece can be limited by the first positioning piece 5, and therefore, when the steering roller 3 drives the pole piece to move laterally, the side edge of the pole piece abuts against the first positioning piece 5 in the advancing process, and the positioning of the first positioning edge can be realized by the lateral positioning of the pole piece; the second locating piece 6 forms a second locating edge, the second locating piece 6 is located in the first moving direction, the second locating piece 6 is columnar and comprises three parts, the second locating piece 6 is located in the middle of the front ends of the three steering roller groups respectively, and meanwhile the height of the second locating piece is larger than that of the steering roller 3, so that when the pole piece moves along the first direction, the front end of the pole piece abuts against the second locating piece 6, and positive locating of the pole piece, namely locating of the second locating edge, can be achieved.
In this embodiment, the first positioning edge and the second positioning edge are vertically disposed, and in some embodiments, the first positioning edge and the second positioning edge may be disposed at other angles according to the shape of the pole piece.
In some embodiments, the first direction is the X-axis direction in the figure, and the second direction is the Y-axis direction in the figure.
The positioning structure also comprises a mounting bracket 8, and the positioning mechanism and the steering shaft 3 are fixedly arranged on the mounting bracket 8.
The pole piece feeding structure comprises a mounting plate 4, a conveying roller 1, a pressing roller 2 and any one of the positioning structures. The mounting plate 4 includes three, and three sets of steering roller are fixed connection respectively on three mounting plate 4, and one side that the steering roller 3 was kept away from to three mounting plate 4 all rotates with the installing support 8 to be connected.
The pole piece feeding structure further comprises a jacking mechanism 7, the driving end of the jacking mechanism 7 is in transmission connection with the three mounting plates 4, the mounting plates 4 can be jacked to be higher than the first locating piece 5 or the second locating piece 6, at the moment, the three mounting plates 4 are jacked, and the pole piece passes over the first locating piece 5 or the second locating piece 6 to be continuously conveyed to the downstream.
In this embodiment, the jacking mechanism 7 includes a cam 701, a fixed plate 702, a roller 703 and a driving member, the roller 703 is disposed above the fixed plate 702 and contacts with the bottoms of the three mounting plates 4, and the cam 701 is disposed below the fixed plate 702; after the pole piece is positioned, the cam 701 rotates, the fixing plate 702 is jacked up and moves a certain distance along the second direction, the roller 703 abuts against the mounting plate 4, the mounting plate 4 moves along the second direction, the top end of the steering roller 3 is level with the top end of the positioning piece, and the pole piece moves to the next station beyond the positioning piece.
In some embodiments, the lifting mechanism 7 includes a fixing plate 702 and a driving member, one end of the fixing plate 702 is rotatably connected to the mounting bracket 8, the second positioning member 6 is fixedly installed at the other end of the fixing plate 702, after the pole piece is positioned, the driving member drives the lifting mechanism 7 to turn over, at this time, the second positioning member 6 is turned from a vertical state to a horizontal state, the position of the first positioning member 5 remains unchanged, no positioning member exists in the advancing direction of the pole piece, and the pole piece moves to the next station.
In some embodiments, the jacking mechanism 7 includes a fixing plate 702 and a driving member, the fixing plate 702 is fixedly mounted on the mounting bracket 8, the second positioning member 6 is rotatably connected to the fixing plate 702, after the pole piece is positioned, the driving member drives the second positioning member 6 to turn over, so that the second positioning member 6 turns from a vertical state to a horizontal state, the position of the first positioning member 5 remains unchanged, no positioning member exists in the advancing direction of the pole piece, and the pole piece moves to the next station.
In some embodiments, the first positioning member 5 and the second positioning member 6 may be interchanged in position.
The conveying roller 1 is arranged at the upstream of the positioning structure, the conveying roller 1 comprises a plurality of conveying rollers 1, the conveying rollers 1 are arranged in parallel to form a conveying roller set structure, and the conveying roller set structure can drive the pole piece to move along the first direction so as to convey the pole piece to the positioning structure for positioning.
The positioning structure further comprises a pinch roller 2 and the pinch roller 2 is arranged right above the conveying roller 1, a distance which can be used for a pole piece to pass through exists between the pinch roller 2 and the pinch roller 1, the arrangement of the pinch roller 2 ensures that the pole piece cannot deviate in the positioning process, and the positioning precision of the pole piece is effectively improved.
The positioning structure further comprises an upper positioning piece 9, the upper positioning piece 9 is composed of a plurality of rollers, when the jacking mechanism 7 comprises a fixing plate 702 and a driving piece, the upper positioning piece 9 is arranged right above the steering roller 3, and when the pole piece is transported out of the positioning structure, the upper positioning piece 9 positions the pole piece to prevent errors caused by up-and-down movement of the pole piece. When the jacking mechanism 7 includes the cam 701, the fixed plate 702, the roller 703, and the driving member, the upper positioning member 9 is disposed directly above the positioning member.
As shown in fig. 4, a lithium battery production device comprises a diaphragm unreeling mechanism 10 and two feeding devices as described above, wherein one of the feeding devices is used for conveying an anode, the other feeding device is used for conveying a cathode, and a plurality of rollers 703 are further arranged at the downstream of the feeding devices to form a pole piece conveying track, wherein the starting point of the pole piece conveying track is flush with the height of the rollers of the upper positioning piece 9, so that the pole piece is ensured to have high accuracy in the transportation process, and the pole piece is prevented from shifting in the transmission process.
The three sheets enter the thermal compounding device 11 and are compounded into a compound pole piece by the thermal compounding device 11. In some embodiments, a lithium battery production device downstream may be engaged with a winding device or with a lamination device.
In the description of the present utility model, it should be understood that the forward direction of "X" in the drawings represents the right direction, and correspondingly, the reverse direction of "X" represents the left direction; the forward direction of "Y" represents the forward direction, and correspondingly, the reverse direction of "Y" represents the rearward direction; the forward direction of "Z" represents above, and correspondingly, the reverse direction of "Z" represents below, and the azimuth or positional relationship indicated by the terms "X", "Y", "Z", etc. are based on the azimuth or positional relationship shown in the drawings of the specification, are merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element in question must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the utility model. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that in the present utility model, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is only a specific embodiment of the utility model to enable those skilled in the art to understand or practice the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A positioning structure, comprising:
the positioning mechanism comprises a first positioning piece and a second positioning piece, a first positioning edge and a second positioning edge are respectively formed by the first positioning piece and the second positioning piece, and the first positioning edge and the second positioning edge are arranged in an angle;
the steering roller is arranged between the first positioning edge and the second positioning edge, the steering roller forms an acute angle with the first positioning edge and the second positioning edge respectively, and the height of the positioning piece is larger than that of the steering roller;
the locating piece and the steering roller are arranged on the mounting bracket.
2. The positioning structure according to claim 1, wherein a plurality of the steering rollers are provided, and a plurality of the steering rollers are provided in parallel.
3. The positioning structure according to claim 2, wherein a plurality of said steering rollers are arranged in a plurality of rows, and each row is provided with a plurality of said steering rollers, whereby a plurality of said steering rollers constitute a steering roller group including a plurality of said steering rollers and being arranged in parallel in the same direction on said mounting bracket.
4. A positioning structure as claimed in claim 3, wherein the first positioning edge is perpendicular to the second positioning edge.
5. The positioning structure according to claim 4, wherein the first positioning member is a positioning block, and a height thereof is greater than a height of the steering roller.
6. The positioning structure according to claim 5, wherein the second positioning member is a positioning column having a height greater than a height of the steering roller.
7. A pole piece feeding structure, characterized by comprising a conveying roller and a positioning structure according to any one of claims 1-6, wherein the positioning structure is located downstream of the conveying roller.
8. The pole piece feeding structure according to claim 7, wherein the positioning structure further comprises a mounting plate and a jacking mechanism, the steering roller set is fixedly connected to the mounting plate, one side, away from the steering roller, of the mounting plate is rotationally connected with the mounting bracket, and the driving end of the jacking mechanism is in transmission connection with the mounting plate and jacks the mounting plate to be higher than the first positioning piece or the second positioning piece.
9. The pole piece feeding structure according to claim 7, wherein the positioning structure further comprises a jacking mechanism and a driving piece, the jacking mechanism is rotatably connected to the mounting bracket, the second positioning piece is arranged on the jacking mechanism, and the driving piece drives the jacking mechanism to turn over.
10. The utility model provides a lithium cell apparatus for producing which characterized in that: the separator unreeling device comprises a separator unreeling assembly and two pole piece feeding structures as claimed in any one of claims 7-9, wherein one pole piece feeding structure is used for conveying a positive pole piece, and the other pole piece feeding structure is used for conveying a negative pole piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320520922.XU CN219525362U (en) | 2023-03-08 | 2023-03-08 | Positioning structure, pole piece feeding structure and lithium battery production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320520922.XU CN219525362U (en) | 2023-03-08 | 2023-03-08 | Positioning structure, pole piece feeding structure and lithium battery production device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219525362U true CN219525362U (en) | 2023-08-15 |
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ID=87645441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320520922.XU Active CN219525362U (en) | 2023-03-08 | 2023-03-08 | Positioning structure, pole piece feeding structure and lithium battery production device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219525362U (en) |
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2023
- 2023-03-08 CN CN202320520922.XU patent/CN219525362U/en active Active
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