CN109103509B - Full-automatic large soft-package lithium ion battery hot and cold press forming machine and method - Google Patents
Full-automatic large soft-package lithium ion battery hot and cold press forming machine and method Download PDFInfo
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- CN109103509B CN109103509B CN201811141980.1A CN201811141980A CN109103509B CN 109103509 B CN109103509 B CN 109103509B CN 201811141980 A CN201811141980 A CN 201811141980A CN 109103509 B CN109103509 B CN 109103509B
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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
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
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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)
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Abstract
The invention belongs to the technical field of lithium ion battery manufacturing, and particularly relates to a full-automatic large soft-package lithium ion battery hot and cold press forming machine which comprises a first conveying mechanism, a second conveying mechanism, a manipulator, a motor, a hot and cold press forming clamp, a rotating mechanism and a clamping mechanism, wherein the manipulator can convey a battery on the first conveying mechanism to the hot and cold press forming clamp, the manipulator can convey the battery on the hot and cold press forming clamp to the second conveying mechanism, the hot and cold press forming clamp is connected to the output end of the motor, the bottom of the hot and cold press forming clamp is connected with the rotating mechanism, and the clamping mechanism is correspondingly arranged on one side of the hot and cold press forming clamp. Compared with the prior art, the invention can be converted between vertical and horizontal, and the quality characteristic of battery formation is improved. In addition, the invention also provides a hot and cold press formation method of the full-automatic large soft package lithium ion battery.
Description
Technical Field
The invention belongs to the technical field of lithium ion battery manufacturing, and particularly relates to a full-automatic large soft-package lithium ion battery hot and cold press forming machine and method.
Background
In the production process of the flexible package lithium ion battery, formation, hot pressing and cold pressing are three important working procedures in the battery forming process, the formation is to activate the internal activity of the battery so as to ensure that the battery has good charge and discharge performance and cycle life, and the hot and cold pressing working procedure is to ensure that the battery has good performance and can keep good appearance.
The specification of the large soft package power battery is generally more than 500mmx500mmx10mm, and the weight of the battery is more than 6 kg. In the prior art, a vertical machine or a horizontal machine is generally adopted for carrying out hot and cold press formation on a large soft package power battery, but the two machines have certain defects. The battery is horizontally placed by the traditional vertical machine, and most of electrolyte is separated out during formation due to the large amount of the electrolyte, so that the battery performance is affected. With traditional horizontal machine battery, because the battery weight is too big, the strong atress of strong supporting point, the battery can produce deformation, distortion etc. and influence the performance of battery.
Disclosure of Invention
One of the objects of the present invention is: aiming at the defects of the prior art, the full-automatic large soft-package lithium ion battery hot and cold press forming machine is provided, can be converted between vertical and horizontal, and improves the quality characteristics of battery formation.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a full-automatic large-scale soft packet of lithium ion battery hot and cold formation machine, includes first transport mechanism, second transport mechanism, manipulator, motor, hot and cold formation anchor clamps, rotary mechanism and clamping mechanism, the manipulator can with battery on the first transport mechanism is sent to hot and cold formation anchor clamps are last, the manipulator can still with battery on the hot and cold formation anchor clamps is sent to second transport mechanism, hot and cold formation anchor clamps connect in the output of motor, the bottom of hot and cold formation anchor clamps with rotary mechanism connects, clamping mechanism correspond set up in one side of hot and cold formation anchor clamps.
In the present invention, the function of converting the hot and cold pressing into the jig between the vertical and horizontal type is realized by the rotating mechanism. When the battery is not in the formation state, the hot and cold formation clamp is in a vertical state, and the battery is horizontally placed on the hot and cold formation clamp, so that the problems of heavy weight and heavy stress of a supporting point of the battery can be solved, and the deformation and distortion of the battery are reduced; when the battery is in a formation state, the hot and cold formation clamp rotates to a horizontal state, so that the problem of electrolyte separation caused by the fact that the traditional vertical machine is horizontally placed on the battery can be avoided, the influence on the performance of the battery is reduced, and the formation quality characteristics of the battery are improved.
As an improvement of the full-automatic large soft-package lithium ion battery hot-cold press forming machine, the hot-cold press forming clamp consists of a plurality of partition boards, and a hot-cold water switching system is arranged on each of the plurality of partition boards.
As an improvement of the full-automatic large soft-package lithium ion battery hot and cold press forming machine, the hot and cold water switching system comprises a main water inlet pipe and an electromagnetic valve arranged at the water inlet end of the main water inlet pipe, wherein the electromagnetic valve is provided with a hot water inlet and a cold water inlet. The heating and cooling of the formation is achieved by switching the solenoid valve. When heating is needed, the electromagnetic valve is switched to the hot water inlet, so that the whole hot and cold pressing forming clamp is heated, and when cooling is needed, the electromagnetic valve is switched to the cold water inlet, so that the whole hot and cold pressing forming clamp is cooled.
As an improvement of the full-automatic large soft-package lithium ion battery hot-cold press forming machine, the rotating mechanism comprises a bracket and a hinge, and the bottom of the hot-cold press forming clamp is connected with the bracket through the hinge.
As an improvement of the full-automatic large soft-package lithium ion battery hot and cold press forming machine, the clamping mechanism comprises a support column, two connecting pieces and two rows of clamps, wherein one row of clamps is connected with the support column through one connecting piece, and the two rows of clamps are arranged up and down.
As an improvement of the full-automatic large soft-package lithium ion battery hot-cold press forming machine, when the hot-cold press forming clamp rotates to a horizontal state, two rows of clamps respectively correspond to the positions of positive electrode lugs and negative electrode lugs of the battery.
As an improvement of the full-automatic large soft-package lithium ion battery hot-cold press forming machine, the full-automatic large soft-package lithium ion battery hot-cold press forming machine further comprises a lifting mechanism, wherein the lifting mechanism is connected with the hot-cold press forming clamp through an upper fixing plate.
As an improvement of the full-automatic large soft-package lithium ion battery hot-cold press forming machine, the full-automatic large soft-package lithium ion battery hot-cold press forming machine further comprises a limiting mechanism, and when the hot-cold press forming clamp rotates to a horizontal state, the limiting mechanism is positioned on the outer side face of the upper fixing plate.
The invention further aims to provide a full-automatic large soft package lithium ion battery hot and cold press formation method, which comprises the following steps:
Step one, opening a hot and cold pressing forming clamp, wherein a battery is conveyed between every two partition boards on the hot and cold pressing forming clamp through a mechanical arm, and the mechanical arm stops moving after the hot and cold pressing forming clamp is filled with the battery;
step two, the hot and cold pressing forming clamp clamps the battery, a hinge on the rotating mechanism drives the hot and cold pressing forming clamp to rotate to a horizontal state, the hot and cold pressing forming clamp is always in a clamping state in the rotating process, and the lifting mechanism is always in a descending state;
step three, two rows of clamps of the clamping mechanism clamp the positive electrode lug and the negative electrode lug of the battery respectively;
Step four, connecting a hot water inlet of the electromagnetic valve, introducing hot water into the main water inlet pipe, heating the hot and cold pressing formation clamp, and forming the battery when the temperature reaches a set temperature;
Step five, after the heating formation is completed, connecting a cold water inlet of the electromagnetic valve, introducing cold water into the main water inlet pipe, and cooling the hot and cold pressing formation clamp, thereby cooling the battery;
Step six, after the hot and cold pressing formation is completed, the hot and cold pressing formation clamp is driven by a hinge of a rotating mechanism to rotate back to a vertical state, and the hot and cold pressing formation clamp is always in a clamping state in the rotating process, and the lifting mechanism is always in a lifting state;
and step seven, opening the hot and cold pressing forming clamp, and conveying the battery to the second conveying mechanism from the hot and cold pressing forming clamp through the manipulator until the battery on the hot and cold pressing forming clamp is completely taken away, wherein the manipulator stops acting.
Compared with the prior art, the hot-cold compression formation method concentrates three working procedures of hot compression, formation and cold compression in the same equipment, shortens the time between the working procedures, simplifies the working procedures, reduces unnecessary working procedure time, and does not influence the service performance of the battery; the battery is circulated through the manipulator, so that the carrying problem of heavy clamps is avoided.
Drawings
Fig. 1 is a schematic diagram of the structure of the present invention.
FIG. 2 is a second schematic structural view of the present invention.
Fig. 3 is a schematic view of the structure of the separator in the present invention.
Wherein: the device comprises a first conveying mechanism, a second conveying mechanism, a 3-manipulator, a 4-hot and cold pressing forming clamp, a 5-rotating mechanism, a 6-clamping mechanism, a 7-motor, an 8-lifting mechanism, a 9-limiting mechanism, a 10-upper fixing plate, a 41-partition plate, a 42-hot and cold water switching system, a 51-bracket, a 52-hinge, a 61-support, a 62-connecting piece, a 63-clamp, a 421-main water inlet pipe, a 422-electromagnetic valve, a 423-hot water inlet and a 424-cold water inlet.
Detailed Description
The invention will be described in further detail with reference to the following detailed description and the accompanying drawings, but the embodiments of the invention are not limited thereto.
Example 1
As shown in fig. 1-3, a full-automatic large-sized soft-package lithium ion battery hot-cold press forming machine comprises a first conveying mechanism 1, a second conveying mechanism 2, a manipulator 3, a motor 7, a hot-cold press forming clamp 4, a rotating mechanism 5 and a clamping mechanism 6, wherein the manipulator 3 can send a battery on the first conveying mechanism to the hot-cold press forming clamp 4, the manipulator 3 can also send the battery on the hot-cold press forming clamp 4 to the second conveying mechanism, the hot-cold press forming clamp 4 is connected to the output end of the motor 7, the bottom of the hot-cold press forming clamp 4 is connected with the rotating mechanism 5, and the clamping mechanism 6 is correspondingly arranged on one side of the hot-cold press forming clamp 4.
Further, the hot and cold press forming jig 4 is composed of a plurality of partition plates 41, and the plurality of partition plates 41 are provided with hot and cold water switching systems 42. The hot and cold water switching system 42 includes a main water inlet pipe 421, a solenoid valve 422 provided at a water inlet end of the main water inlet pipe 421, the solenoid valve 422 being provided with a hot water inlet 423 and a cold water inlet 424.
Further, the rotation mechanism 5 includes a bracket 51 and a hinge 52, and the bottom of the hot and cold press forming jig 4 is connected to the bracket 51 through the hinge 52.
Further, the clamping mechanism 6 includes a support post 61, two connecting members 62, and two rows of clips 63, one row of clips 63 being connected to the support post 61 by one connecting member 62, the two rows of clips 63 being arranged up and down. When the hot and cold press forming jig 4 is rotated to the horizontal state, the two rows of clips 63 correspond to the positions of the positive and negative electrode tabs of the battery, respectively.
The invention also comprises a lifting mechanism 8 and a limiting mechanism 9, wherein the lifting mechanism 8 is connected with the hot and cold pressing forming clamp 4 through an upper fixing plate 10. When the hot and cold press forming jig 4 is rotated to a horizontal state, the stopper mechanism 9 is located on the outer side surface of the upper fixing plate 10.
Example 2
The embodiment provides a full-automatic large soft-package lithium ion battery hot and cold compression formation method, which comprises the following steps:
Step one, opening a hot and cold pressing forming clamp 4, conveying the battery between every two partition plates 41 on the hot and cold pressing forming clamp 4 through a mechanical arm 3 by a first conveying mechanism 1, and stopping the mechanical arm 3 after the hot and cold pressing forming clamp 4 is filled with the battery;
Step two, the hot and cold pressing forming clamp 4 clamps the battery, the hinge 52 on the rotating mechanism 5 drives the hot and cold pressing forming clamp 4 to rotate to a horizontal state, the hot and cold pressing forming clamp 4 is always in a clamping state in the rotating process, and the lifting mechanism 8 is always in a descending state;
Step three, two rows of clamps 63 of the clamping mechanism 6 clamp the positive electrode lug and the negative electrode lug of the battery respectively;
step four, connecting a hot water inlet 423 of the electromagnetic valve 422, introducing hot water into the main water inlet pipe 421, heating the hot and cold compression forming clamp 4, and forming the battery when the temperature reaches a set temperature;
step five, after the heating formation is completed, a cold water inlet 424 of the electromagnetic valve 422 is connected, cold water is introduced into the main water inlet pipe 421, and the hot and cold pressing formation clamp 4 is cooled, so that the battery is cooled;
step six, after the hot and cold pressing formation is completed, the hot and cold pressing formation clamp 4 rotates back to a vertical state under the drive of the hinge 52 of the rotating mechanism 5, the hot and cold pressing formation clamp 4 is always in a clamping state in the rotating process, and the lifting mechanism 8 is always in a lifting state;
and step seven, opening the hot and cold pressing forming clamp 4, and conveying the battery to the second conveying mechanism 2 from the hot and cold pressing forming clamp 4 through the manipulator 3 until the battery on the hot and cold pressing forming clamp 4 is completely taken away, and stopping the action of the manipulator 3.
Variations and modifications of the above embodiments will occur to those skilled in the art to which the invention pertains from the foregoing disclosure and teachings. Therefore, the present invention is not limited to the above-described embodiments, but is intended to be capable of modification, substitution or variation in light thereof, which will be apparent to those skilled in the art in light of the present teachings. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present invention in any way.
Claims (4)
1. A full-automatic large-scale soft packet of lithium ion battery hot and cold pressing formation machine which characterized in that: the battery hot and cold press forming device comprises a first conveying mechanism, a second conveying mechanism, a manipulator, a motor, a hot and cold press forming clamp, a rotating mechanism and a clamping mechanism, wherein the manipulator can send a battery on the first conveying mechanism to the hot and cold press forming clamp, the manipulator can also send a battery on the hot and cold press forming clamp to the second conveying mechanism, the hot and cold press forming clamp is connected to the output end of the motor, the bottom of the hot and cold press forming clamp is connected with the rotating mechanism, and the clamping mechanism is correspondingly arranged on one side of the hot and cold press forming clamp;
The rotating mechanism comprises a bracket and a hinge, and the bottom of the hot and cold pressing forming clamp is connected with the bracket through the hinge; the clamping mechanism comprises a support column, two connecting pieces and two rows of clamps, wherein one row of clamps is connected with the support column through one connecting piece, and the two rows of clamps are arranged up and down;
When the hot and cold pressing forming clamp rotates to a horizontal state, the two rows of clamps respectively correspond to the positions of the positive electrode lug and the negative electrode lug of the battery; the lifting mechanism is connected with the hot and cold pressing forming clamp through the upper fixing plate;
The hot and cold pressing clamp is characterized by further comprising a limiting mechanism, and the limiting mechanism is positioned on the outer side face of the upper fixing plate when the hot and cold pressing clamp rotates to a horizontal state.
2. The full-automatic large soft package lithium ion battery hot and cold press forming machine according to claim 1, wherein: the hot and cold pressing formation fixture consists of a plurality of partition boards, and a plurality of partition boards are provided with hot and cold water switching systems.
3. The full-automatic large soft-package lithium ion battery hot and cold press forming machine according to claim 2, wherein: the hot and cold water switching system comprises a main water inlet pipe and an electromagnetic valve arranged at the water inlet end of the main water inlet pipe, and the electromagnetic valve is provided with a hot water inlet and a cold water inlet.
4. A method for forming a full-automatic large-sized soft-package lithium ion battery hot and cold press forming machine according to any one of claims 1-3, comprising the following steps:
Step one, opening a hot and cold pressing forming clamp, wherein a battery is conveyed between every two partition boards on the hot and cold pressing forming clamp through a mechanical arm, and the mechanical arm stops moving after the hot and cold pressing forming clamp is filled with the battery;
step two, the hot and cold pressing forming clamp clamps the battery, a hinge on the rotating mechanism drives the hot and cold pressing forming clamp to rotate to a horizontal state, the hot and cold pressing forming clamp is always in a clamping state in the rotating process, and the lifting mechanism is always in a descending state;
step three, two rows of clamps of the clamping mechanism clamp the positive electrode lug and the negative electrode lug of the battery respectively;
Step four, connecting a hot water inlet of the electromagnetic valve, introducing hot water into the main water inlet pipe, heating the hot and cold pressing formation clamp, and forming the battery when the temperature reaches a set temperature;
Step five, after the heating formation is completed, connecting a cold water inlet of the electromagnetic valve, introducing cold water into the main water inlet pipe, and cooling the hot and cold pressing formation clamp, thereby cooling the battery;
Step six, after the hot and cold pressing formation is completed, the hot and cold pressing formation clamp is driven by a hinge of a rotating mechanism to rotate back to a vertical state, and the hot and cold pressing formation clamp is always in a clamping state in the rotating process, and the lifting mechanism is always in a lifting state;
and step seven, opening the hot and cold pressing forming clamp, and conveying the battery to the second conveying mechanism from the hot and cold pressing forming clamp through the manipulator until the battery on the hot and cold pressing forming clamp is completely taken away, wherein the manipulator stops acting.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN2018103843746 | 2018-04-26 | ||
| CN201810384374 | 2018-04-26 |
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| CN109103509A CN109103509A (en) | 2018-12-28 |
| CN109103509B true CN109103509B (en) | 2024-06-04 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111477970A (en) * | 2020-05-20 | 2020-07-31 | 深圳市精实机电科技有限公司 | Vertical type upper electric core mechanism of electric core restraint clamp |
| CN111477969A (en) * | 2020-05-20 | 2020-07-31 | 深圳市精实机电科技有限公司 | Feeding method and device for flexible package lithium battery |
| CN114883676A (en) * | 2022-04-08 | 2022-08-09 | 惠州市德合盛科技有限公司 | Pressure formation equipment |
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