CN110504493B - Pre-winding mechanism for winding machine - Google Patents
Pre-winding mechanism for winding machine Download PDFInfo
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- CN110504493B CN110504493B CN201810464874.0A CN201810464874A CN110504493B CN 110504493 B CN110504493 B CN 110504493B CN 201810464874 A CN201810464874 A CN 201810464874A CN 110504493 B CN110504493 B CN 110504493B
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- winding
- roller
- motor
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- rolling cylinder
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- 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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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a pre-winding mechanism for a winding machine, and relates to the technical field of mechanical equipment. The installation base of the device comprises a left installation base and a right installation base, a left pre-rolling cylinder is installed on the left installation base, a right pre-rolling cylinder is installed on the right installation base, guide rails are arranged on two sides of the left pre-rolling cylinder and two sides of the right pre-rolling cylinder respectively, the guide rails are installed on the installation base, roller installation bases are arranged on the guide rails respectively, a bidirectional roller is arranged on the left roller installation base, a bidirectional rubber wrapping roller is arranged on the roller installation base on the right side, the left roller installation base is connected with the left pre-rolling cylinder, the roller installation base on the right side is connected with the right pre-rolling cylinder, a motor installation base is further arranged on the installation base, a motor is installed on the motor installation base, the motor is connected with a synchronous belt pulley through a synchronous belt, and the synchronous belt pulley is connected with the bidirectional roller. The invention has the beneficial effects that: the motor is adopted to drive the pre-winding roller to actively rotate for feeding and synchronize the linear speed with the winding needle, so that the head pre-winding and the process winding low tension are kept, and the quality of the battery cell is improved.
Description
Technical Field
The invention relates to the technical field of mechanical equipment, in particular to a pre-winding mechanism for a winding machine.
Background
When the current lithium ion battery full-automatic winding machine winds, the pre-winding mechanism is completely opened or a certain gap space is reserved (as shown in figure 1) after pre-winding of the positive and negative pole pieces is completed, and then a winding needle is used for cutting and gluing after winding a preset length according to a process to form a battery cell. A pre-winding roller of the pre-winding mechanism needs a one-way bearing to cut off tension to prevent the pole piece from retreating, and a pole piece diaphragm is wound on the surface of a winding needle by the rotation of the winding needle during pre-winding. For circular winding, particularly for a winding needle with a small diameter, the tension is very large during pre-winding, and the situation that the head is folded and the winding needle is broken easily due to overlarge stress is easily caused during the pre-winding process of the pole piece; for square winding, the tension fluctuation is very large in the winding process, the tension control is not good, the internal S deformation of the battery cell is easily caused, and the quality problems of bulge and the like of the battery cell are caused.
Disclosure of Invention
The invention aims to provide a pre-winding mechanism for a winding machine, which has the advantages of simple structure, reasonable design and convenient use, and aims to overcome the defects and shortcomings of the prior art.
In order to solve the problems existing in the background technology, the invention adopts the technical scheme that: the device comprises a mounting base, a left pre-rolling cylinder, a right pre-rolling cylinder, a guide rail, a roller mounting base, a bidirectional roller, a bidirectional rubber-covered roller, a motor mounting base, a motor, a synchronous belt pulley and a synchronous belt; the installation base is two about, install left pre-rolling cylinder on the left installation base, install right pre-rolling cylinder on the installation base on right side, the both sides of left pre-rolling cylinder and right pre-rolling cylinder are equipped with the guide rail respectively, the guide rail is installed on the installation base, be equipped with the roller mount pad on the guide rail respectively, be equipped with two-way roller on the left roller mount pad, be equipped with two-way rubber coating roller on the roller mount pad on right side, left roller mount pad is connected with left pre-rolling cylinder, the roller mount pad on right side is connected with right pre-rolling cylinder, still be equipped with the motor mount pad on the installation base, install the motor on the motor mount pad, the motor passes through the hold-in range and is connected with synchronous pulley, synchronous pulley is connected with two-way roller.
Further, the motor is connected with the bidirectional roller through a coupling.
Further, the motor is a servo motor or a stepping motor.
After adopting the structure, the invention has the beneficial effects that: the motor is adopted to drive the pre-winding roller to actively rotate for feeding and synchronize the linear speed with the winding needle, head pre-winding and process winding low tension are kept, the problems of S deformation of a diaphragm inside the battery cell and breakage of the winding needle are solved, and the quality of the battery cell is improved.
Drawings
FIG. 1 is a schematic diagram of a prior art structure;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a simplified schematic diagram of the winding of the circular winding needle of the present invention;
FIG. 4 is a simplified schematic diagram of the winding of the present invention.
Description of reference numerals: the device comprises an installation base 1, a left pre-rolling cylinder 2, a right pre-rolling cylinder 3, a guide rail 4, a roller installation seat 5, a bidirectional roller 6, a bidirectional rubber-coated roller 7, a unidirectional rubber-coated roller 71, a motor installation seat 8, a motor 9, a synchronous pulley 10, a synchronous belt 11, a positive electrode 12, an upper diaphragm 13, a negative electrode 14, a lower diaphragm 15, a round rolling needle 16 and a square rolling needle 17.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 2, the following technical solutions are adopted in the present embodiment: the device comprises a mounting base 1, a left pre-rolling cylinder 2, a right pre-rolling cylinder 3, a guide rail 4, a roller mounting base 5, a bidirectional roller 6, a bidirectional rubber-coated roller 7, a motor mounting base 8, a motor 9, a synchronous belt pulley 10 and a synchronous belt 11; the installation base 1 is left and right two, install left pre-rolling cylinder 2 on the left installation base 1, install right pre-rolling cylinder 3 on the installation base 1 on right side, both sides of left pre-rolling cylinder 2 and right pre-rolling cylinder 3 are equipped with guide rail 4 respectively, guide rail 4 installs on installation base 1, be equipped with roller mount pad 5 on the guide rail 4 respectively, be equipped with two-way roller 6 on the left roller mount pad 5, be equipped with two-way rubber coating roller 7 on the roller mount pad 5 on right side, left roller mount pad 5 is connected with left pre-rolling cylinder 2, roller mount pad 5 on right side is connected with right pre-rolling cylinder 3, still be equipped with motor mount pad 8 on the installation base 1, install motor 9 on the motor mount pad 8, motor 9 passes through hold-in range 11 and is connected with synchronous pulley 10, synchronous pulley 10 is connected with two-way roller 6.
Further, the motor 9 is connected with the bidirectional roller 6 through a coupling.
Further, the motor 9 is a servo motor or a stepping motor.
The invention is different from the prior pre-rolling mechanism in that: a motor 9 (servo and stepping) is added to the left pre-rolling bidirectional roller 6 to actively drive, and the unidirectional roller or the unidirectional rubber covered roller 71 at the right pre-rolling position is changed into the bidirectional rubber covered roller 7. Simple schematic diagrams are shown in fig. 3 and 4: when in pre-winding, the pre-winding motor 9 is actively driven to separate the tension, and the linear speed driven by the pre-winding motor 9 keeps synchronous with the linear speed wound by the round winding needle 16 and the square winding needle 17, so that the tension is very small or close to zero when in pre-winding; similarly, during normal winding, the process tension is very small or near zero.
In the specific embodiment, the motor is adopted to drive the pre-winding roller to actively rotate for feeding and synchronize the linear speed with the winding needle, so that the head pre-winding and the process winding are kept at low tension or even zero tension, the problems of S deformation of a diaphragm inside the battery cell and breakage of the winding needle are solved, and the quality of the battery cell is improved.
The above description is only for illustrating the technical solution of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solution of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.
Claims (4)
1. A pre-winding mechanism for a winding machine is characterized by comprising a mounting base, a left pre-winding cylinder, a right pre-winding cylinder, a guide rail, a roller mounting seat, a bidirectional roller, a bidirectional rubber-covered roller, a motor mounting seat, a motor, a synchronous pulley and a synchronous belt; the installation base is two about, install left pre-rolling cylinder on the left installation base, install right pre-rolling cylinder on the installation base on right side, the both sides of left pre-rolling cylinder and right pre-rolling cylinder are equipped with the guide rail respectively, the guide rail is installed on the installation base, be equipped with the roller mount pad on the guide rail respectively, be equipped with two-way roller on the left roller mount pad, be equipped with two-way rubber coating roller on the roller mount pad on right side, left roller mount pad is connected with left pre-rolling cylinder, the roller mount pad on right side is connected with right pre-rolling cylinder, still be equipped with the motor mount pad on the installation base, install the motor on the motor mount pad, the motor passes through the hold-in range and is connected with synchronous pulley, synchronous pulley is connected with two-way roller.
2. The pre-winding mechanism for winding machine as claimed in claim 1, wherein the motor is coupled to the bidirectional roller via a coupling.
3. A pre-winding mechanism for a winding machine according to claim 1, characterized in that the motor is a servo motor or a stepping motor.
4. The pre-winding mechanism for the winding machine according to claim 1, characterized in that during pre-winding, the pre-winding motor is actively driven to isolate the tension, and the linear speed of the pre-winding motor is kept synchronous with the linear speed of the winding of the round winding needle and the square winding needle, so that the tension during pre-winding is very small or close to zero; similarly, during normal winding, the process tension is very small or near zero.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810464874.0A CN110504493B (en) | 2018-05-16 | 2018-05-16 | Pre-winding mechanism for winding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810464874.0A CN110504493B (en) | 2018-05-16 | 2018-05-16 | Pre-winding mechanism for winding machine |
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| Publication Number | Publication Date |
|---|---|
| CN110504493A CN110504493A (en) | 2019-11-26 |
| CN110504493B true CN110504493B (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810464874.0A Active CN110504493B (en) | 2018-05-16 | 2018-05-16 | Pre-winding mechanism for winding machine |
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| CN114843621B (en) * | 2022-04-01 | 2023-03-24 | 广东利元亨智能装备股份有限公司 | Method and device for controlling edge distance of tab, controller and storage medium |
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|---|---|---|---|---|
| EP1535870A2 (en) * | 2003-11-28 | 2005-06-01 | Voith Paper Patent GmbH | Winding machine for continuously winding a web material |
| CN201417802Y (en) * | 2009-04-29 | 2010-03-03 | 深圳市吉阳自动化科技有限公司 | Clamping mechanism |
| CN102368566A (en) * | 2011-09-16 | 2012-03-07 | 铜陵市三圆特种铸造有限责任公司 | Semi-automatic winding machine and winding method for battery roll core |
| CN202308206U (en) * | 2011-10-21 | 2012-07-04 | 东莞市德瑞精密设备有限公司 | Pole piece tension control system of lithium ion battery core coiler |
| JP2013236028A (en) * | 2012-05-11 | 2013-11-21 | Nittoku Eng Co Ltd | Winding device and winding method of film |
| CN106299489A (en) * | 2015-06-29 | 2017-01-04 | 曙鹏科技（深圳）有限公司 | Lithium-Ion Battery Core method for winding and preparation method of lithium ion battery |
| CN206163618U (en) * | 2016-10-17 | 2017-05-10 | 深圳市赢合科技股份有限公司 | Winder and preroll device thereof |
| CN206992252U (en) * | 2017-07-14 | 2018-02-09 | 深圳市德宇智能装备有限公司 | Deviation correcting device before a kind of pole piece roll for cylindrical lithium battery film-making winding integrated machine |
| CN107732320A (en) * | 2017-11-28 | 2018-02-23 | 深圳市万德自动化科技有限公司 | A kind of lithium battery electric core active pre-roll method and device |
| CN107834100A (en) * | 2017-12-04 | 2018-03-23 | 无锡先导智能装备股份有限公司 | And film mechanism and method include the electric core winding method and winding apparatus of this method |
-
2018
- 2018-05-16 CN CN201810464874.0A patent/CN110504493B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1535870A2 (en) * | 2003-11-28 | 2005-06-01 | Voith Paper Patent GmbH | Winding machine for continuously winding a web material |
| CN201417802Y (en) * | 2009-04-29 | 2010-03-03 | 深圳市吉阳自动化科技有限公司 | Clamping mechanism |
| CN102368566A (en) * | 2011-09-16 | 2012-03-07 | 铜陵市三圆特种铸造有限责任公司 | Semi-automatic winding machine and winding method for battery roll core |
| CN202308206U (en) * | 2011-10-21 | 2012-07-04 | 东莞市德瑞精密设备有限公司 | Pole piece tension control system of lithium ion battery core coiler |
| JP2013236028A (en) * | 2012-05-11 | 2013-11-21 | Nittoku Eng Co Ltd | Winding device and winding method of film |
| CN106299489A (en) * | 2015-06-29 | 2017-01-04 | 曙鹏科技（深圳）有限公司 | Lithium-Ion Battery Core method for winding and preparation method of lithium ion battery |
| CN206163618U (en) * | 2016-10-17 | 2017-05-10 | 深圳市赢合科技股份有限公司 | Winder and preroll device thereof |
| CN206992252U (en) * | 2017-07-14 | 2018-02-09 | 深圳市德宇智能装备有限公司 | Deviation correcting device before a kind of pole piece roll for cylindrical lithium battery film-making winding integrated machine |
| CN107732320A (en) * | 2017-11-28 | 2018-02-23 | 深圳市万德自动化科技有限公司 | A kind of lithium battery electric core active pre-roll method and device |
| CN107834100A (en) * | 2017-12-04 | 2018-03-23 | 无锡先导智能装备股份有限公司 | And film mechanism and method include the electric core winding method and winding apparatus of this method |
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| CN110504493A (en) | 2019-11-26 |
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