CN114497755A - Roll up needle drive arrangement, winding head and winder - Google Patents
Roll up needle drive arrangement, winding head and winder Download PDFInfo
- Publication number
- CN114497755A CN114497755A CN202210099479.3A CN202210099479A CN114497755A CN 114497755 A CN114497755 A CN 114497755A CN 202210099479 A CN202210099479 A CN 202210099479A CN 114497755 A CN114497755 A CN 114497755A
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- Prior art keywords
- needle
- winding
- turbine
- shaft
- inlet
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- 238000004804 winding Methods 0.000 title claims abstract description 108
- 239000012530 fluid Substances 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052744 lithium Inorganic materials 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 6
- 230000004044 response Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- -1 steam Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Winding Of Webs (AREA)
Abstract
The invention provides a winding needle driving device, a winding head and a winding machine, and relates to the technical field of lithium battery equipment. The turbine driving mechanism comprises a turbine cavity arranged at the other end of the needle winding shaft, turbine blades are arranged in the turbine cavity, the turbine blades are fixedly installed on the needle winding shaft, the turbine cavity is provided with an inlet and an outlet, and the inlet is communicated with an input pipeline used for inputting a fluid medium. The invention can solve the problems of large rotational inertia of the winding head, low motor power and low production efficiency in the prior art, and the turbine driving mechanism has simple structure and low mass and can reduce the rotational inertia of the needle winding shaft. And the rotating speed of the turbine blades can be controlled by controlling the speed and the pressure of the fluid, so that the rotating speed of the needle coiling shaft is controlled, greater power can be provided for the needle coiling shaft, the rotating speed of the needle coiling shaft is increased, and the production efficiency is improved.
Description
Technical Field
The invention relates to the technical field of lithium battery equipment, in particular to a winding needle driving device, a winding head and a winding machine.
Background
In the existing lithium battery production equipment, the driving mode of the winding needle is in a contact mode, one mode is that a winding motor for driving the winding needle to rotate is directly arranged on a reel, and the winding motor is directly connected with a winding needle shaft. According to the scheme, the winding motor can turn over along with the reel, so that the rotary inertia of the reel is increased, the turning speed is influenced, the energy consumption of lithium battery production equipment is increased, and the production efficiency is reduced. And each winding needle shaft is directly connected with one winding motor, and the winding motor can only select smaller power due to the limitation of an assembly space, so that the production efficiency is limited and the productivity is low.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects of large moment of inertia of the reel disc, small power of the motor and low production efficiency in the prior art, so as to provide a winding needle driving device, a winding head and a winding machine.
In order to solve the above problem, a first aspect of the present invention provides a needle winding driving device including a needle winding shaft and a scroll driving mechanism. The turbine driving mechanism comprises a turbine cavity arranged at the other end of the needle winding shaft, turbine blades are arranged in the turbine cavity, the turbine blades are fixedly installed on the needle winding shaft, the turbine cavity is provided with an inlet and an outlet, and the inlet is communicated with an input pipeline used for inputting a fluid medium.
Optionally, the turbine cavity is formed by an inner cavity of a turbine housing of a cylindrical structure, a mounting hole is formed in a first end, close to the needle winding shaft, of the turbine housing along the axial direction of the turbine housing, the turbine housing is sleeved on the needle winding shaft through the mounting hole, and an outlet is formed in a second end, opposite to the mounting hole, of the turbine housing, and the second end is open.
Alternatively, the inlet is provided at the first end of the turbine housing and the turbine blades are provided at the end of the needle roller shaft remote from the inlet.
Optionally, the inlet is connected to the input line via an air slip ring.
Optionally, the turbine cavity includes a reducing section, the reducing section expands gradually into a trumpet shape along the axial direction of the needle coiling shaft towards one end of the outlet, and the turbine blade is arranged in the reducing section of the turbine cavity.
The invention provides a winding head, which comprises a reel and the winding needle driving device in any one of the technical schemes, wherein a winding needle shaft is rotatably arranged on the reel, and a winding needle is connected to the winding needle shaft.
Optionally, a plurality of winding needles are rotatably mounted in the circumferential direction of the reel, and a scroll driving mechanism is connected to a winding needle shaft for driving each winding needle to rotate.
Optionally, the device further comprises a brake arranged on the needle winding shaft.
Optionally, the winding device further comprises an encoder arranged on the needle winding shaft.
A third aspect of the invention provides a winding machine comprising a winding head according to any one of the preceding claims.
The invention has the following advantages:
1. by utilizing the technical scheme of the invention, the fluid medium is introduced into the turbine cavity through the inlet, and the fluid medium impacts the turbine blades and drives the turbine blades to rotate, thereby driving the needle winding shaft to rotate. The turbine driving mechanism is simple in structure and small in mass, and can reduce the rotational inertia of the needle coiling shaft. And the rotating speed of the turbine blades can be controlled by controlling the speed and the pressure of the fluid, so that the rotating speed of the needle coiling shaft is controlled, greater power can be provided for the needle coiling shaft, the rotating speed of the needle coiling shaft is increased, and the production efficiency is improved. In addition, the winding needle shaft is directly driven by the turbine blade, the winding needle shaft is closer to a power source, a complex transmission structure in the middle is omitted, the transmission rigidity is high, and the response speed is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 shows a schematic view of a winding head comprising a winding needle drive;
fig. 2 shows a side view of fig. 1.
Description of reference numerals:
1. coiling; 2. a needle winding shaft; 3. coiling a needle; 4. a turbine driving mechanism 41, a turbine housing; 42. a turbine cavity; 421. a diameter-changing section; 43. a turbine blade; 44. an inlet; 45. an outlet; 5. a brake; 6. an encoder.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
For convenience of describing the technical scheme of the present invention, the following detailed description is provided in conjunction with the accompanying drawings and specific embodiments, but the embodiments should not be construed as limiting the present invention.
Example 1
A needle winding driving device, referring to fig. 1, comprises a needle winding shaft 2 and a turbine driving mechanism 4. The turbine driving mechanism 4 comprises a turbine cavity 42 arranged at the other end of the needle winding shaft 2, a turbine blade 43 is arranged in the turbine cavity 42, the turbine blade 43 is fixedly arranged on the needle winding shaft 2, the turbine cavity 42 is provided with an inlet 44 and an outlet 45, and the inlet 44 is communicated with an input pipeline for inputting fluid media.
By utilizing the technical scheme of the invention, the fluid medium is introduced into the turbine cavity 42 through the inlet 44, and the fluid medium impacts the turbine blades 43 to drive the turbine blades 43 to rotate, so that the needle winding shaft 2 is driven to rotate. The worm gear driving mechanism 4 has the characteristics of simple structure and small mass, and can reduce the rotational inertia of the needle winding shaft 2. In addition, the rotating speed of the turbine blades 43 can be controlled by controlling the speed and the pressure of the fluid, so that the rotating speed of the needle winding shaft 2 is controlled, greater power can be provided for the needle winding shaft 2, the rotating speed of the needle winding shaft 2 is increased, and the production efficiency is improved.
For convenience of describing the technical scheme of the winding needle driving device, the winding head is taken as an example. The winding head comprises a reel 1 and a winding needle driving device, a plurality of winding needles 3 are rotatably arranged along the circumferential direction of the reel 1, and a scroll driving mechanism 4 is connected to a winding needle shaft 2 for driving each winding needle 3 to rotate.
Specifically, the turbine cavity 42 is formed by an inner cavity of the turbine housing 41 having a cylindrical structure, and a first end of the turbine housing 41, which is close to the needle winding shaft 2 along the axial direction thereof, is provided with a mounting hole, that is, a left end in fig. 1. The turbine housing 41 is fitted to the reel shaft 2 through the mounting hole, and the turbine housing 41 is fixed to the reel 1. The turbine housing 41 and the reel shaft 2 rotate with the rotation of the reel 1.
The inlet 44 and the outlet 45 of the turbine housing 41 may be respectively connected to a pipeline for providing a fluid medium, which may be water, steam, or air, into the turbine cavity 42. The fluid medium will pass the turbine blades 43 between the inlet 44 and the outlet 45 and will bring about rotation of the turbine blades 43 and thus of the needle roller 2. In this embodiment, compressed air is used as the fluid medium.
In one embodiment, which is simpler in structure, the fluid medium is compressed air, and referring to fig. 1, the inlet 44 is disposed at a first end of the turbine housing 41, the outlet 45 is disposed at a second end of the turbine housing 41, and a second end of the turbine housing 41 opposite to the mounting hole is open to form the outlet 45.
Correspondingly, a turbine blade 43 is provided on the end of the needle winding shaft 2 remote from the needle winding 3, close to the outlet 45.
Since the turbine housing 41 is connected to the reel 1 to rotate with the reel 1, the inlet 44 is connected to the input line via an air slide ring in order to prevent a problem of entanglement of the input line connected to the inlet 44.
Specifically, referring to fig. 1, the turbine cavity 42 includes a diameter-variable section 421, the diameter of the diameter-variable section 421 gradually increases to a trumpet shape along the axial direction of the winding needle shaft 2 toward the end far away from the winding needle 3, and the turbine blade 43 is disposed in the diameter-variable section 421 of the turbine cavity 42. That is, the turbine chamber 42 located on the right side of the needle winding shaft 2 in fig. 1 is formed in a trumpet shape.
In the prior art, in a contact type driving method of the winding needle shaft 2, a winding motor for driving the winding needle shaft 2 to rotate is not installed on the reel 1, and the winding needle shaft 2 is indirectly driven to rotate through a transmission shaft. The scheme has a complex structure, and the winding motor is far away from the needle winding shaft 2, so that the rigidity of a transmission chain is poor, the control precision of a transmission mechanism is low, and the response speed is low. And the roll needle actuating mechanism that this embodiment provided, power supply and 2 lug connection of roll needle axle, roll needle axle 2 and be closer from the power supply, and the transmission rigidity is big, and response speed is fast.
Example 2
A winding head 1 is different from embodiment 1 in that the winding head 1 of the present embodiment further includes a brake 5 and an encoder 6 provided on a winder shaft 2. The needle winding shaft 2 is provided with the brake 5, so that the needle winding shaft 2 can be rapidly stopped. Set up encoder 6 on book needle axle 2, can feed back the position of book needle axle 2 in real time, can feed back the number of turns of the rotation of book needle 3, also can take notes the number of turns of coiling of electricity core, the process of coiling of real-time feedback electricity core.
Example 3
The present embodiment provides a winding machine comprising a winding head 1 as described in any of the above embodiments.
According to the above description, the present patent application has the following advantages:
1. the turbine driving mechanism 4 is small in mass, so that the rotational inertia of the reel 1 can be reduced, and the energy consumption of the whole machine is reduced;
2. the rotating speed of the needle winding shaft 2 is controlled by controlling the flowing speed and the pressure of the fluid medium, so that the rotating speed of the needle winding shaft 2 can be increased, greater power is provided for the needle winding shaft 2, and the production efficiency is improved.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A needle winding drive device, comprising:
a needle winding shaft (2);
the turbine driving mechanism (4) comprises a turbine cavity (42) arranged at the other end of the needle winding shaft (2), turbine blades (43) are arranged in the turbine cavity (42), the turbine blades (43) are fixedly installed on the needle winding shaft (2), an inlet (44) and an outlet (45) are arranged in the turbine cavity (42), and the inlet (44) is communicated with an input pipeline used for inputting a fluid medium.
2. The needle winding driving device according to claim 1, wherein the turbine cavity (42) is formed by an inner cavity of a turbine housing (41) having a cylindrical structure, a first end of the turbine housing (41) close to the needle winding shaft (2) along an axial direction of the turbine housing is provided with a mounting hole, the turbine housing (41) is sleeved on the needle winding shaft (2) through the mounting hole, and a second end of the turbine housing (41) opposite to the mounting hole is provided with an opening to form the outlet (45).
3. The needle winding driving device according to claim 2, wherein the inlet (44) is provided at a first end of the turbine housing (41), and the turbine blade (43) is provided at an end of the needle winding shaft (2) remote from the inlet (44).
4. Needle winding drive according to claim 1, characterized in that the inlet (44) is connected to the feed line by an air slide ring.
5. The needle winding driving device according to claim 1, wherein the turbine chamber (42) includes a diameter-variable section (421), the diameter-variable section (421) is gradually expanded to a trumpet shape along an axial direction of the needle winding shaft (2) toward one end of the outlet (45), and the turbine blade (43) is provided in the diameter-variable section (421) of the turbine chamber (42).
6. Winding head, comprising a reel (1) and a winding needle drive according to any of claims 1-5, wherein the winding needle shaft (2) is rotatably mounted on the reel (1), and wherein the winding needle (3) is connected to the winding needle shaft (2).
7. A winding head according to claim 6, characterized in that a plurality of the needle reels (2) are rotatably mounted in the circumferential direction of the reel disc (1), the worm gear drive (4) being connected to each needle reel (2).
8. A winding head according to claim 6, characterized by further comprising a brake (5) provided on the needle winder shaft (2).
9. A winding head according to claim 6, characterized by further comprising an encoder (6) provided on the needle winder shaft (2).
10. A winding machine, characterized in that it comprises a winding head according to any one of claims 6 to 9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210099479.3A CN114497755B (en) | 2022-01-27 | 2022-01-27 | Winding needle driving device, winding head and winding machine |
Applications Claiming Priority (1)
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CN202210099479.3A CN114497755B (en) | 2022-01-27 | 2022-01-27 | Winding needle driving device, winding head and winding machine |
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CN114497755A true CN114497755A (en) | 2022-05-13 |
CN114497755B CN114497755B (en) | 2024-02-02 |
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CN202210099479.3A Active CN114497755B (en) | 2022-01-27 | 2022-01-27 | Winding needle driving device, winding head and winding machine |
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Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2752917A1 (en) * | 1977-11-26 | 1979-05-31 | Joseph Rebischke | Standard turbine for steam, water, gas - has central annular nozzle chamber in casing and two-way flow from axis-parallel first stage |
US20060071106A1 (en) * | 2004-10-04 | 2006-04-06 | Hillstrom John T | Turbine driven fishing reel |
JP2009168241A (en) * | 2008-01-21 | 2009-07-30 | Aisin Seiki Co Ltd | Rotational shaft device and fuel cell system |
CN202196833U (en) * | 2011-08-31 | 2012-04-18 | 深圳市雅康精密机械有限公司 | Double-winding needle transmission mechanism for battery winder |
CN103573539A (en) * | 2013-11-25 | 2014-02-12 | 江苏大学 | Small-flow reel type irrigator water turbine |
CN205004394U (en) * | 2015-10-13 | 2016-01-27 | 东莞市和明机械有限公司 | Square lithium battery coiler take -up device |
CN206282938U (en) * | 2016-11-15 | 2017-06-27 | 无锡先导智能装备股份有限公司 | Pole piece wrap-up |
CN106935896A (en) * | 2017-03-07 | 2017-07-07 | 深圳吉阳智能科技有限公司 | The straight winding mechanism and method for winding for driving transmission |
CN209232597U (en) * | 2018-12-19 | 2019-08-09 | 东莞宏彰机械有限公司 | Prevent the split-type draw-out device of core pulling |
CN110911729A (en) * | 2019-12-16 | 2020-03-24 | 广东顺德工业设计研究院(广东顺德创新设计研究院) | Battery cell winding device |
CN214281124U (en) * | 2020-12-30 | 2021-09-24 | 东莞泓宇智能装备有限公司 | Winding needle shaft direct-driving mechanism of square lithium battery sheet-making winding machine |
CN214957022U (en) * | 2021-03-12 | 2021-11-30 | 东莞市雅康精密机械有限公司 | Button cell winding equipment |
-
2022
- 2022-01-27 CN CN202210099479.3A patent/CN114497755B/en active Active
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2752917A1 (en) * | 1977-11-26 | 1979-05-31 | Joseph Rebischke | Standard turbine for steam, water, gas - has central annular nozzle chamber in casing and two-way flow from axis-parallel first stage |
US20060071106A1 (en) * | 2004-10-04 | 2006-04-06 | Hillstrom John T | Turbine driven fishing reel |
JP2009168241A (en) * | 2008-01-21 | 2009-07-30 | Aisin Seiki Co Ltd | Rotational shaft device and fuel cell system |
CN202196833U (en) * | 2011-08-31 | 2012-04-18 | 深圳市雅康精密机械有限公司 | Double-winding needle transmission mechanism for battery winder |
CN103573539A (en) * | 2013-11-25 | 2014-02-12 | 江苏大学 | Small-flow reel type irrigator water turbine |
CN205004394U (en) * | 2015-10-13 | 2016-01-27 | 东莞市和明机械有限公司 | Square lithium battery coiler take -up device |
CN206282938U (en) * | 2016-11-15 | 2017-06-27 | 无锡先导智能装备股份有限公司 | Pole piece wrap-up |
CN106935896A (en) * | 2017-03-07 | 2017-07-07 | 深圳吉阳智能科技有限公司 | The straight winding mechanism and method for winding for driving transmission |
CN209232597U (en) * | 2018-12-19 | 2019-08-09 | 东莞宏彰机械有限公司 | Prevent the split-type draw-out device of core pulling |
CN110911729A (en) * | 2019-12-16 | 2020-03-24 | 广东顺德工业设计研究院(广东顺德创新设计研究院) | Battery cell winding device |
CN214281124U (en) * | 2020-12-30 | 2021-09-24 | 东莞泓宇智能装备有限公司 | Winding needle shaft direct-driving mechanism of square lithium battery sheet-making winding machine |
CN214957022U (en) * | 2021-03-12 | 2021-11-30 | 东莞市雅康精密机械有限公司 | Button cell winding equipment |
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