CN215118994U - Shaft connecting device and lithium battery cell winding system - Google Patents
Shaft connecting device and lithium battery cell winding system Download PDFInfo
- Publication number
- CN215118994U CN215118994U CN202090000221.8U CN202090000221U CN215118994U CN 215118994 U CN215118994 U CN 215118994U CN 202090000221 U CN202090000221 U CN 202090000221U CN 215118994 U CN215118994 U CN 215118994U
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- shaft
- hole
- connecting device
- shaft connecting
- sleeved
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
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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
- 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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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Relate to hub connection technical field, concretely relates to axle connecting device and lithium cell electricity core winding system. The shaft connecting device comprises a first shaft (100) with a first hole (101) and a second shaft (200) which is sleeved on the first shaft (100) and is provided with a second hole (201), the aperture of the second hole (201) is larger than that of the first hole (101), and the second hole (201) is communicated with the first hole (101) when the second shaft (200) is sleeved on the first shaft (100) and forms a step structure; the shaft connecting device also comprises a step positioning pin (310) clamped in the step structure, and a fixing piece (320) fixed at the second hole (201) and abutted against the step positioning pin (310). Compared with the prior art, the thickness of the first shaft (100) is reduced through the formed step structure, the first shaft (100) can form a hollow structure, and the space requirement of a large number of wiring in the hollow structure is met; meanwhile, the shaft connecting device can be compatible with shafts of different sizes, and the applicability of the shaft connecting device is improved.
Description
Technical Field
The utility model relates to a hub connection technical field, concretely relates to axle connecting device and lithium cell electricity core winding system.
Background
Along with the rapid development of the lithium battery industry, the integration level of the lithium battery cell winding equipment for realizing the winding of the lithium battery cell is higher and higher, and meanwhile, the cells compatible with different types and sizes also need to be considered. As the compatible size becomes larger and larger, the size of the lithium battery cell winding apparatus also increases.
Therefore, in order to meet the requirement that the lithium battery cell winding equipment has more and more functions, more and more integrated functional modules are provided, and the equipment size is inevitably increased correspondingly. Therefore, the requirement of the equipment to satisfy more and more functions and to control the size of the equipment within a certain range is one of the important requirements of the current mechanical equipment manufacturing.
Therefore, when designing the structure of each component, not only the function needs to be realized, but also further optimization is needed, the size of each component is reduced through compact structure design, and finally the size of the whole machine is reduced, which is a problem of important research by those skilled in the art, especially the connection structure between the shaft and the shaft is also a crucial ring.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a shaft connecting device and lithium cell electricity core winding system, solve current integrated functional module also more and more, the problem of the corresponding increase of equipment size inevitable.
The utility model provides a technical scheme that its technical problem adopted is: providing a shaft connecting device, wherein the shaft connecting device comprises a first shaft with a first hole and a second shaft sleeved on the first shaft and provided with a second hole, the aperture of the second hole is larger than that of the first hole, and the second hole is communicated with the first hole when the second shaft is sleeved on the first shaft and forms a step structure; the shaft connecting device also comprises a step positioning pin clamped in the step structure and a fixing piece fixed at the second hole and abutted against the step positioning pin.
Wherein, the preferred scheme is: the second hole includes the internal thread structure, the mounting includes the external screw thread structure to with internal screw thread structure screw-thread fit.
Wherein, the preferred scheme is: the step positioning pin comprises a thread groove, and the fixing piece comprises a thread nail which can be inserted into the thread groove.
Wherein, the preferred scheme is: the step locating pin is in interference fit with the first hole and the second hole.
Wherein, the preferred scheme is: the first hole and the second hole are provided with a plurality of holes.
Wherein, the preferred scheme is: the second shaft comprises a shaft main body which is provided with a hollow structure and can be sleeved with the first shaft, the shaft main body comprises a covering part, a fixing part and a flange part, and the second hole is formed in the fixing part.
Wherein, the preferred scheme is: the pore diameter of the hollow structure of the covering part and the fixing part is smaller than that of the hollow structure of the flange part; the hollow structure of the flange part is also provided with a limit groove.
Wherein, the preferred scheme is: the two sides of the first shaft are both sleeved with second shafts, and first holes are formed in the two ends of the first shaft.
The utility model provides a technical scheme that its technical problem adopted is: the lithium battery cell winding system comprises the shaft connecting device and a driving mechanism, wherein the driving mechanism is connected with a second shaft of the shaft connecting device and drives the second shaft to rotate.
Compared with the prior art, the utility model has the advantages that the thickness of the first shaft is reduced through the step structure, the first shaft can form a hollow structure, and the space requirement of a large amount of wiring of the hollow structure is met; meanwhile, the shaft connecting device can be compatible with shafts of different sizes, and the applicability of the shaft connecting device is improved; at the same time, a shaft-to-shaft (first shaft and second shaft) connection structure can be realized, the axial dimension being minimal (particularly optimizing the dimension of the first shaft), in order to control the apparatus dimensions.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic front structural view of a shaft connecting device according to the present invention;
fig. 2 is a schematic perspective view of the shaft connecting device of the present invention;
fig. 3 is a schematic sectional view of the shaft connecting device of the present invention;
fig. 4 is a schematic view of a partially enlarged cross-sectional structure of the shaft connecting device of the present invention.
Detailed Description
The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, the present invention provides a preferred embodiment of a shaft connecting apparatus.
The utility model provides a shaft connecting device, shaft connecting device includes the first axle 100 that has first hole 101 and the second axle 200 of establishing on first axle 100 and having second hole 201, the aperture in second hole 201 is greater than the aperture in first hole 101, second hole 201 and first hole 101 communicate and form the stair structure when second axle 200 establishes on first axle 100, wherein, realize embedding stair structure through fixed knot structure 300, to the fixed of first axle 100 and second axle 200.
The shaft connecting device further comprises a step positioning pin 310 clamped in the step structure, and a fixing member 320 fixed at the second hole 201 and abutting against the step positioning pin 310.
Specifically, the second shaft 200 is sleeved outside the first shaft 100, and after the second shaft is sleeved in place, the central axes of the first hole 101 and the second hole 201 are overlapped. The aperture of the second hole 201 is larger than that of the first hole 101, and a step structure is formed; the step positioning pin 310 is clamped into a step structure to fix the first shaft 100 and the second shaft 200, wherein a boss of the step positioning pin 310 is clamped into the first hole 101, and a table top of the step positioning pin abuts against the outer side of the first shaft 100; in order to prevent the step setscrew 310 from falling off, the step setscrew 310 is fixed at the second hole 201 and abuts against the step setscrew 310 by a fixing member 320 at the outer side of the step setscrew 310 (the outer side of the second hole 201).
One end of the step positioning pin 310 is limited by the first shaft 100, and the other end is limited by the fixing member 320, so that the first shaft 100 and the second shaft 200 are positioned. Through the formed step structure, a thread structure, a limiting structure (such as a bump arranged along the edge and a stop block arranged at the bottom) and the like do not need to be arranged on the first hole 101 of the first shaft 100, so that the first shaft 100 can form a hollow structure, the thickness of the body does not need to be too thick, and the space requirement of a large number of routing wires of the hollow structure is met; meanwhile, the shaft with different sizes can be compatible, and the compact structural design is realized.
At the same time, a shaft-to-shaft (first shaft 100 and second shaft 200) connection structure can be realized, the axial dimension being minimal (particularly, the dimension of the first shaft 100 is optimized), so as to control the apparatus size.
In this embodiment, the second hole 201 includes an internal thread structure, and the fixing member 320 includes an external thread structure and is threadedly engaged with the internal thread structure. Specifically, through the screw-thread fit, the fixing ability of the fixing member 320 in the second hole 201 is improved, and the distance that the fixing member 320 abuts against the step positioning pin 310 can be adjusted, so that the zero-distance (fitting) setting of the fixing member 320 and the step positioning pin 310 is realized. Of course, the fixed engagement between the second hole 201 and the fixing member 320 may be other structures, such as a snap-fit structure, a nesting structure, etc. Further, the step locator pin 310 includes a screw groove, and the fixing member 320 includes a screw nail insertable into the screw groove, optimizing stability of the step locator pin 310 and the fixing member 320.
In this embodiment, the stepped dowel pin 310 is an interference fit with the first hole 101 and the second hole 201. Because the first shaft 100 and the second shaft 200 need to tell the rotation when working, through the interference fit of the three, the axial sliding of the first shaft 100 and the second shaft 200 is prevented, and the stability of the shaft connecting device is improved.
In the present embodiment, the first hole 101 and the second hole 201 are provided in plurality. Through the location of a plurality of directions, realize the stable location of whole axial plane, improve shaft connecting device's stability. For example, the first holes 101 are provided at the opposite ends of the first shaft 100 (the second holes 201 of the second shaft 200 are correspondingly provided), and three, four or even a plurality of first holes 101 are equally divided in the cross section of the first shaft 100.
And the two sides of the first shaft 100 are respectively sleeved with a second shaft 200, the two ends of the first shaft 100 are respectively provided with a first hole 101, and the first shaft 100 in the middle is fixed through the second shafts 200 at the two ends to form a shaft connecting device.
In this embodiment, the second shaft 200 includes a shaft body having a hollow structure in which the first shaft 100 can be sleeved, the shaft body includes a covering portion 210, a fixing portion 220 and a flange portion 230, and the second hole 201 is disposed on the fixing portion 220. Specifically, the shaft main body of the second shaft 200 is also provided with a hollow structure at the end edge, which can be installed in cooperation with an external rotating mechanism (such as a motor rotating part), the first shaft 100 is embedded into the hollow structure in the covering part 210 and the fixing part 220, the covering part 210 improves the surface coverage of the first shaft 100, improves the connection stability of the first shaft 100 and the second shaft 200, and reduces vibration during high-speed rotation; the thickness of the fixing portion 220 is higher than that of the covering portion 210, and the second hole 201 is formed in the fixing portion 220, so that the lengths of the step positioning pin 310 and the fixing member 320 can be increased appropriately, and the firmness of the step positioning pin 310 and the fixing member 320 and the stability of the step positioning pin connected to the second shaft 200 can be improved; the aperture of the hollow structure of the covering part 210 and the fixing part 220 is smaller than that of the hollow structure of the flange part 230, so that the separation of the rotating part and the shaft part is realized, the overall structure is further optimized, the compact design is realized, the flange surface of the end surface of the flange part 230 is convenient to be connected with an external rotating mechanism, the fixing of the second shaft 200 is convenient, the stability of the second shaft is improved, and the hollow structure of the flange part 230 is also provided with a limit groove to form a connecting structure of the second shaft 200 and the external rotating mechanism.
The utility model discloses in, provide a lithium cell electricity core winding system's preferred embodiment.
The utility model provides a lithium cell electricity core winding system, lithium cell electricity core winding system include the hub connection device with actuating mechanism, actuating mechanism is connected with hub connection device's second shaft 200 to drive second shaft 200 and rotate. The rotating part of the driving mechanism is connected with the second shaft 200 of the shaft connecting device to drive the second shaft 200 to rotate, so that the first shaft 100 of the shaft connecting device is driven to rotate.
Preferably, the second shafts 200 are respectively sleeved on two sides of the first shaft 100, and the second shaft 200 at the other end is connected with the follow-up part, so that one end is rotated and the other end is followed.
The lithium battery winding device is suitable for all types of lithium battery winding devices, and can also be popularized to other mechanical devices with shaft and shaft connecting structures, so that the lithium battery winding device and other mechanical devices are very beneficial to size miniaturization and high integration, and finally, a production workshop is enabled to contain more devices, and more production values are created by using the minimum land space.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, which is intended to cover all equivalent changes and modifications made within the scope of the present invention.
Claims (9)
1. A shaft connecting device is characterized in that: the shaft connecting device comprises a first shaft with a first hole and a second shaft sleeved on the first shaft and provided with a second hole, the aperture of the second hole is larger than that of the first hole, and the second hole is communicated with the first hole when the second shaft is sleeved on the first shaft and forms a step structure; the shaft connecting device also comprises a step positioning pin clamped in the step structure and a fixing piece fixed at the second hole and abutted against the step positioning pin.
2. The shaft connecting device according to claim 1, wherein: the second hole includes the internal thread structure, the mounting includes the external screw thread structure to with internal screw thread structure screw-thread fit.
3. The shaft connecting device according to claim 2, wherein: the step positioning pin comprises a thread groove, and the fixing piece comprises a thread nail which can be inserted into the thread groove.
4. The shaft connecting device according to claim 1, wherein: the step locating pin is in interference fit with the first hole and the second hole.
5. The shaft connecting device according to claim 1, wherein: the first hole and the second hole are provided with a plurality of holes.
6. The shaft connecting device according to any one of claims 1 to 5, wherein: the second shaft comprises a shaft main body which is provided with a hollow structure and can be sleeved with the first shaft, the shaft main body comprises a covering part, a fixing part and a flange part, and the second hole is formed in the fixing part.
7. The shaft connecting device according to claim 6, wherein: the pore diameter of the hollow structure of the covering part and the fixing part is smaller than that of the hollow structure of the flange part; the hollow structure of the flange part is also provided with a limit groove.
8. The shaft connecting device according to claim 1, wherein: the two sides of the first shaft are both sleeved with second shafts, and first holes are formed in the two ends of the first shaft.
9. The utility model provides a lithium cell electricity core winding system which characterized in that: the lithium battery cell winding system comprises the shaft connecting device as claimed in any one of claims 1 to 8 and a driving mechanism, wherein the driving mechanism is connected with the second shaft of the shaft connecting device and drives the second shaft to rotate.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2020/083301 WO2021196202A1 (en) | 2020-04-03 | 2020-04-03 | Shaft connecting device and lithium battery cell winding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215118994U true CN215118994U (en) | 2021-12-10 |
Family
ID=77929589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202090000221.8U Active CN215118994U (en) | 2020-04-03 | 2020-04-03 | Shaft connecting device and lithium battery cell winding system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN215118994U (en) |
| WO (1) | WO2021196202A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7121823B2 (en) * | 2004-08-24 | 2006-10-17 | Cheng Uei Precision Industry Co., Ltd. | Mold assembly for forming a plastic article having a complicated shape |
| CN200956388Y (en) * | 2005-11-11 | 2007-10-03 | 珠海华冠电子科技有限公司 | Winding pin mechnaism for cell winding machine |
| CN200978819Y (en) * | 2006-12-04 | 2007-11-21 | 上海连成（集团）有限公司 | Large axle sleeve positioning structure |
| CN107420443A (en) * | 2017-04-25 | 2017-12-01 | 哈尔滨汽轮机厂有限责任公司 | A kind of turbine rotor high-speed balancing shaft coupling |
| CN207418607U (en) * | 2017-10-30 | 2018-05-29 | 河南光远新材料股份有限公司 | A kind of glass fiber wire-drawing oiling station |
| CN210118390U (en) * | 2019-06-26 | 2020-02-28 | 洛阳精联机械基础件有限公司 | Insulating elastic cylindrical pin assembly for coupler |
-
2020
- 2020-04-03 CN CN202090000221.8U patent/CN215118994U/en active Active
- 2020-04-03 WO PCT/CN2020/083301 patent/WO2021196202A1/en active Application Filing
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| Publication number | Publication date |
|---|---|
| WO2021196202A1 (en) | 2021-10-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220531 Address after: 518000 No. 9988 Shennan Road, Nanshan District, Shenzhen, Guangdong Patentee after: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd. Patentee after: Shenzhen Han nationality Beirui Equipment Co.,Ltd. Address before: 518000 No. 9988 Shennan Road, Nanshan District, Shenzhen, Guangdong Patentee before: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220901 Address after: Room 501, Building 6, Han's Laser Industrial Park, Chongqing Road, Zhancheng Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, 518000 Patentee after: Shenzhen Han nationality Beirui Equipment Co.,Ltd. Address before: 518000 No. 9988 Shennan Road, Nanshan District, Shenzhen, Guangdong Patentee before: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd. Patentee before: Shenzhen Han nationality Beirui Equipment Co.,Ltd. |