CN117438633A - Battery cell module reverse buckling and press mounting production line and battery cell module press mounting method - Google Patents

Battery cell module reverse buckling and press mounting production line and battery cell module press mounting method Download PDF

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Publication number
CN117438633A
CN117438633A CN202311756298.4A CN202311756298A CN117438633A CN 117438633 A CN117438633 A CN 117438633A CN 202311756298 A CN202311756298 A CN 202311756298A CN 117438633 A CN117438633 A CN 117438633A
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China
Prior art keywords
module
press
tray
supporting
fit
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Granted
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CN202311756298.4A
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Chinese (zh)
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CN117438633B (en
Inventor
请求不公布姓名
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Jiangsu Fenghesheng Intelligent Technology Co ltd
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Jiangsu Fenghesheng Intelligent Technology Co ltd
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Priority to CN202311756298.4A priority Critical patent/CN117438633B/en
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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
    • H01M10/04—Construction or manufacture in general
    • H01M10/0404—Machines for assembling batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • 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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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention provides a battery cell module inverted buckle press-fitting production line and a battery cell module press-fitting method. The cell module inverted buckle press-fitting production line provided by the invention has the advantages of strong compactness, practical function, stable structure, high efficiency, low cost and high safety, and can meet the capacity requirement of customers.

Description

Battery cell module reverse buckling and press mounting production line and battery cell module press mounting method
Technical Field
The invention relates to battery module production equipment, in particular to a battery cell module inverted buckle press-fitting production line and a battery cell module press-fitting method.
Background
In the production process of the new energy battery, two or three single-pack battery cores are pressed into a combined tray to form a large battery module, so that the battery module has longer endurance time. Different battery cell formulas can be configured in the double-pack or three-pack modules in the combined tray for combined use, so that the combined battery module has longer service life than a common single-pack battery cell and has the advantage of high storage electric quantity.
The assembly of single-package battery cells in the combined tray is a very important process, as shown in fig. 1 and 2, a plurality of-package battery cells are assembled in the combined tray 51, four rotatable lock shafts 52 are arranged at four corners of the single-package battery cells 50, four positioning lock catches 53 are arranged at positions of the combined tray 51 corresponding to the lock shafts 52, the lock shafts 52 are required to be clamped in the lock catches 53 during assembly, and the positions of the single-package battery cells 50 in the combined tray 51 are locked through the rotation of the lock shafts 52. The matching of the lock shafts 52 and the lock catches 53 directly affects the quality of the finished product of the assembled tray, the assembly of the single-package battery cell 50 needs to press the four lock shafts 52 into the positioning lock catches 53 at the same time so as to ensure the press-fitting consistency, and the simultaneous press-fitting of the four lock shafts 52 has the problem of difficult positioning.
In the prior art, the assembly of the single-package battery cell 50 in the combined tray 51 is realized by means of a semi-automatic and semi-manual mode: the position of the combined tray 51 is fixed, the single-package battery cell 50 is grabbed by a manipulator of the press-mounting station, the horizontal XY axes of the single-package battery cell 50 are manually controlled, and after the point positions of each lock shaft 52 are aligned, the vertical movement of the single-package battery cell 50 is controlled by the press-mounting station. The manual positioning of the lock shafts 52 is easy to have errors, once the press mounting points are misaligned, the ends of the lock shafts 52 can tilt to cause product deviation damage in the pressing process, the yield of finished products is reduced, and the production efficiency of the whole press mounting process can be influenced by each adjustment operation in the positioning process; in addition, the larger cell module requires two persons to operate at the same time, and additional labor cost is required; meanwhile, the working pressure of the press-fitting work station can reach 1 ton, and the personal safety of workers and the cell module are possibly damaged.
Disclosure of Invention
In order to solve the technical problems, the invention provides an inverted buckle press-fitting production line of an electric core module, which is characterized in that: the device comprises a module conveying module for conveying single-package battery cores, a tray conveying module for conveying combined trays, a module jacking module for pressing the modules into the combined trays, and a press-mounting positioning module for supporting the tops of the single-package battery cores when the module jacking module works;
the module conveying module comprises a module track for conveying single-package battery cells and a module supporting plate for supporting the single-package battery cells, and the module supporting plate is driven by a module driving unit to horizontally move along the module track;
the tray conveying module comprises a tray rail for conveying the combined tray and a tray supporting frame for supporting the combined tray, wherein the tray rail is arranged above the module rail, and the tray supporting frame is driven by a tray driving unit to reciprocate along the tray rail;
the module jacking module is arranged below the module supporting plate and comprises a jacking supporting unit capable of vertically lifting, and the jacking supporting unit comprises an installation table connected with the bottom of the single-package battery cell;
the press-fit positioning module is arranged above the tray supporting frame and comprises a press-fit supporting plate capable of vertically lifting, and a plurality of pressing plates for outputting pushing force to the top of the single-package battery cell are arranged at the bottom of the press-fit supporting plate.
Further, the module conveying modules are arranged in parallel to form at least two groups, and the tray tracks cross each group of module tracks;
the bottom of each group of module rails is respectively provided with a group of module jacking modules.
Further, the press-fit positioning module further comprises a press-fit rail and a press-fit fixing plate, wherein the press-fit rail and the press-fit fixing plate are arranged in the same direction as the tray rail;
the press mounting fixing plate is provided with a lifting unit for driving the press mounting supporting plate to vertically lift.
Further, the module support plate, the tray support frame and the press-fit fixing plate are respectively meshed with racks arranged on the module track, the tray track and the press-fit track through gear transmission mechanisms;
further, the jacking supporting unit further comprises a machine table and a supporting table, and a flexible supporting unit is arranged between the supporting table and the installation table, so that the installation table is in a floating state;
the machine table is provided with a jacking driving unit, and the supporting table is connected to the jacking output end of the jacking driving unit.
Further, the flexible supporting unit comprises a connecting disc arranged on a supporting table and a supporting part arranged at the center of the connecting disc, the top of the supporting part is connected with a flexible connecting block, and the mounting table is provided with a connecting hole matched with the flexible connecting block; and a thrust ball bearing is arranged between the connecting disc and the supporting part.
Further, the module jacking module further comprises a locking unit for locking the floating state of the mounting table, the locking unit comprises a positioning cylinder vertically arranged on the supporting table and a positioning hole arranged on the mounting table, and an output shaft of the positioning cylinder can extend into the connecting hole.
Further, an error proofing unit is arranged below the tray rail and located at the tail end of the tray rail, and comprises a detection plate and a plurality of detection elements arranged on the detection plate, wherein the positions of the detection elements correspond to the positions of the lock catches on the combined tray.
The invention also provides a method for pressing the cell module by using the cell module back-off pressing production line, which comprises the following steps:
the single-package battery cell and the combined tray are transported to an assembly station by using a module rail and a tray rail respectively;
supporting the bottom of the single-package battery cell on the module track by using a module jacking module, and jacking the single-package battery cell into a combined tray to finish assembly;
the pressing plate on the press-mounting positioning module is used for propping against the top of the single-package battery cell, and the pressing force is continuously applied to the single-package battery cell in the assembling process.
Further, the press-fitting position of the assembled combined tray is detected, and the detected combined tray is hoisted to the target position.
The invention adopts a back-off mode to press the battery core module into the combined tray, and comprises a module conveying module for conveying single-package battery cores, a tray conveying module for conveying the combined tray, a module jacking module for pressing the module into the combined tray, and a press-mounting positioning module for supporting the top of the single-package battery cores when the module jacking module works.
Compared with the positive press-fitting mode in the prior art, the back-off press-fitting mode has the following advantages: 1. the lock catch is arranged on the upper part, the lock shaft is arranged on the lower part, and the installation success rate is higher when the lock shaft moves upwards; 2. for products with larger sizes, a larger press-fit station needs to be designed for normal assembly, and the larger press-fit station brings greater risk, and the back-off press-fit can be made smaller; 3. in the normal assembly process, the combined assembly tray is supported by a frame or the ground, the product is damaged due to overlarge press-assembly pressure, and the single-package battery cell is supported by the press-assembly positioning module in the back-off press-assembly process, so that the pressure generated in the press-assembly process can be effectively reduced.
In the embodiment, the horizontal movement of each module is driven through a gear rack structure, the vertical lifting of each module is driven through a screw rod structure, and the monitoring of each detection element can achieve very high automatic operation, reduce manual participation and have stronger safety.
In the embodiment, the invention also provides a structure of the flexible supporting unit in the module jacking module, so that the single-package battery cell can automatically find the positions of the lock catches in the process of back-off press mounting, lock shafts at four corners of the battery cell module are flexibly press-mounted into the lock catches at the same time, and the consistency of the battery cell module during back-off press mounting is effectively maintained, thereby improving the yield and the productivity of products.
Drawings
Fig. 1 is a schematic structural diagram of a single-pack cell and a combined tray;
FIG. 2 is a schematic illustration of the mating of the lock shaft and the shackle;
FIG. 3 is a schematic diagram of a die set inverted press line according to the present invention;
fig. 4 is a front view of the inverted press-fitting line of the battery cell module of the present invention;
FIG. 5 is a schematic diagram of the structure of the modular conveyor module;
FIG. 6 is a schematic view of a rack and pinion drive arrangement on a modular conveyor module;
FIG. 7 is a schematic view of a pallet being assembled on the pallet transport module;
FIG. 8 is a schematic view of the location of the bail at B in FIG. 7;
FIG. 9 is a top view of the tray transport module;
FIG. 10 is a schematic diagram of the structure of an error proofing unit on the tray transport module;
FIG. 11 is a schematic structural view of a pallet transport module;
FIG. 12 is a schematic view of a rack and pinion drive arrangement in the pallet transport module;
FIG. 13 is a schematic diagram of a modular jack module;
fig. 14 is a schematic structural view of the jack-up driving unit;
FIG. 15 is a schematic structural view of a flexible support unit and a jacking support unit;
FIG. 16 is a schematic structural view of a flexible support unit;
FIG. 17 is a schematic diagram of the structure of the detection unit;
FIG. 18 is a front view of a press-fit positioning module;
FIG. 19 is a schematic view of a press-fit positioning module;
fig. 20 is a schematic view of the positions of the press-fit components.
Reference numerals: the module conveying module 10, the module track 11, the module supporting plate 12, the first rotating motor 13, the first transmission rack 14 and the first transmission gear 15;
the tray conveying module 20, the tray rail 21, the tray supporting frame 22, the tray supporting plate 23, the hanging ring 24, the second transmission rack 25, the second transmission gear 26, the detection plate 27, the detection element 28 and the second rotating motor 29;
the module jacking module 30, the jacking supporting unit 31, the flexible supporting unit 32, the jacking driving unit 33, the locking unit 34, the detecting unit 35, the safety bar 36, the machine table 311, the supporting table 312, the mounting table 313, the guide pin 314, the press-fitting block 315, the connecting disc 321, the supporting part 322, the flexible connecting block 323, the connecting hole 324, the thrust ball bearing 325, the screw jack 331, the servo motor 332, the reversing speed reducer 333, the first guide post 334, the first guide rod 335, the positioning cylinder 341, the positioning hole 342, the sensor mounting seat 351, the proximity sensor 352 and the detecting sheet 353;
the press-fitting positioning module 40, the press-fitting supporting plate 41, the pressing plate 42, the press-fitting rail 43, the press-fitting fixing plate 44, the third transmission rack 45, the third rotary motor 46, the third transmission gear 47, the lifting unit 48, the transmission rod 481, the fourth rotary motor 482, the second guide post 483 and the second guide rod 484;
the battery pack comprises a single-package battery cell 50, a combined tray 51, a lock shaft 52, a lock catch 53 and a guide block 54.
Detailed Description
The invention aims to press-fit a plurality of single-package battery cells 50 into an assembling tray 51, and relates to a battery cell module back-off press-fit production line shown in fig. 3 and 4, which comprises at least two groups of module conveying modules 10 for conveying single-package battery cells 50, a tray conveying module 20 for conveying the assembling tray 51, a module jacking module 30 for pressing the modules into the assembling tray 51, and a press-fit positioning module 40 for supporting the top of the single-package battery cells 50 when the module jacking module 30 works.
The invention adopts a reverse buckling and pressing mode to assemble a plurality of battery cell modules, and a module conveying module 10 and a tray conveying module 20 are respectively utilized to convey a single battery cell 50 and a combined tray 51 to a position to be assembled; the combined tray 51 is located above the single-package battery cell 50, the single-package battery cell 50 is jacked into the combined tray 51 through the module jacking module 30, and the press-mounting positioning module 40 is used for providing support for the single-package battery cell 50 in the press-mounting process so as to reduce the assembly pressure of the module. Compared with the forward module press fitting, the lock shaft 52 of the reverse buckling press fitting is positioned downwards, the lock catch 53 is positioned upwards, and the module mounting success rate is higher; meanwhile, the module jacking module 30 forms a pressing station for inverted press fitting, and the module jacking module 30 is arranged below and supports by means of the ground or a frame, so that the stability of press fitting can be greatly improved, and the safety performance of the inverted press fitting structure in the press fitting process can be effectively improved.
As shown in fig. 5 and 6, two sets of single-package cells 50 are respectively connected to one set of module conveying modules 10 to be assembled. The module conveying module 10 includes a module rail 11 for conveying the single-package battery cells 50 and a module support plate 12 for supporting the single-package battery cells 50, wherein the module rail 11 is horizontally arranged, and the module support plate 12 moves to a press-fit position along the module rail 11 with the single-package battery cells 50. The module support plate 12 in the embodiment is driven to move by a module driving unit, the module driving unit comprises a first transmission rack 14 arranged along the side edge of the module track 11, a first transmission gear 15 meshed with the first transmission rack 14 is arranged on the side edge of the module support plate 12, and the first transmission gear 15 is connected to an output shaft of the first rotating motor 13 so as to realize movement of the single-package battery cell 50. The middle of the module support plate 12 is hollow, so that the module lifting module 30 described later can be conveniently and directly contacted with the bottom of the single-package battery cell 50.
As shown in fig. 7 and 8, the tray conveying module 20 includes tray rails 21 for conveying the combined tray 51 and tray supports 22 for supporting the combined tray 51, and the tray rails 21 are disposed above the module rails 11 and span the respective module rails 11. The direction of the tray rail 21 is perpendicular to the direction of the module rail 11 in the embodiment, and the intersecting position of the module rail 11 and the tray rail 21 in the horizontal plane is the assembling station of the battery module. The single-package battery cell 50 moves to the assembling stations along the module rails 11, and the assembling tray 51 moves between the assembling stations, so that the assembling of the battery cell modules is completed.
As shown in fig. 9 to 11, in the present embodiment, two groups of module mounting positions are provided on the assembling tray 51 corresponding to the number of single-package battery cells 50, and the latches 53 to be pressed are respectively located at the bottoms of the side edges of the module mounting positions, so that the number of module mounting positions can be increased according to actual requirements. The tray support 22 is formed by enclosing a plurality of tray support plates 23, and the combined tray 51 is put on the tray support plates 23, so that the combined tray 51 can be supported, and the middle part enclosed by the tray support plates 23 provides a moving space for the press-mounting positioning module 40. The side edge of the assembling tray 51 is also fixedly provided with a hanging ring 24, and after assembling is finished, the assembling tray 51 loaded with the multi-package modules is transmitted to other stations through an external crane. The tray support 22 is provided with a positioning seat of the hanging ring 24 corresponding to the hanging ring 24 so as to fix the position of the combined tray 51 on the tray support 22.
As shown in fig. 12, similar to the module conveying module 10, the tray conveying module 20 also adopts a tray driving unit with a gear engagement structure to drive the tray support 22 to move on the tray rail 21, second transmission racks 25 extending along the tray rail 21 are arranged on two sides of the tray rail 21, second transmission gears 26 driven by second rotating motors 29 are arranged on the sides of the tray support 22, and the second transmission gears 26 are engaged with the second transmission racks 25 to drive the tray support 22 to move.
The end of the module conveying module 10 is the waiting station for module press fitting, and the bottom of each group of waiting stations is respectively provided with a module jacking module 30. The module jacking module 30 comprises a jacking supporting unit 31 for providing positioning and supporting for the lower part of the single-package battery cell 50 in the jacking process, and a jacking driving unit 33 for driving the jacking supporting unit 31 and the single-package battery cell 50 on the jacking supporting unit 31 to vertically displace and loading the single-package battery cell 50 into the combined tray 51.
As shown in fig. 13 to 16, the jacking supporting unit 31 includes a machine table 311, a supporting table 312 and a mounting table 313 sequentially arranged from bottom to top, the mounting table 313 provides support for the single-package battery cell 50 on the module conveying module 10, the supporting table 312 is provided with a flexible supporting unit 32 and is connected with the mounting table 313 through the flexible supporting unit 32, the flexible supporting unit 32 provides flexible supporting force for the mounting table 313, so that the mounting table 313 can perform floating adjustment on the mounting position of the battery cell module on a horizontal plane.
The end of the mounting table 313 is provided with a guide pin 314 for positioning the single-package battery cell 50, and the guide pin 314 can be matched with the guide block 54 on the single-package battery cell 50 and inserted into the single-package battery cell 50. The upper end surface of the mounting block 313 is provided with a plurality of press-fit blocks 315 to provide support for the cell module.
The jacking driving unit 33 is disposed at the bottom of the mounting table 313, and the machine table 311 provides support for the jacking driving unit 33. In this embodiment, the jacking driving unit 33 adopts a screw jack 331, including a screw jack 331 disposed on the machine table 311, and a screw output end of the screw jack 331 is connected to a bottom of the supporting table 312. The screw rod lifters 331 are two groups and are respectively positioned at two sides of the supporting table 312; the power input end of the screw jack 331 is provided with a servo motor 332 and is in transmission connection with the servo motor 332 through a reversing speed reducer 333. The servo motor 332 transmits rotation power to the screw jack 331, so that the screw of the screw jack 331 drives the support table 312 to vertically move. The machine 311 is further provided with a plurality of groups of first guide posts 334 for assisting in vertically moving the support table 312, a first guide rod 335 is arranged at a position of the support table 312 corresponding to the first guide posts 334, and the first guide rod 335 is slidably connected to the first guide posts 334.
As shown in fig. 15 and 16, the flexible supporting unit 32 includes a connecting disc 321 disposed on the supporting platform 312 and a supporting portion 322 disposed at the center of the connecting disc 321, a flexible connecting block 323 is connected to the top of the supporting portion 322, and a connecting hole 324 matched with the flexible connecting block 323 is disposed on the mounting platform 313; a thrust ball bearing 325 is provided between the connecting disc 321 and the support portion 322. The mounting table 313 is supported by the support portion 322 and connected to a flexible connection block 323 provided on the support portion 322, so that the mounting table 313 can be floated to adjust a position with respect to the support table 312 during the lifting of the mounting table 313.
A locking unit 34 is also provided to lock the position of the mounting table 313 to fix the relative position between the mounting table 313 and the support table 312, preventing the mounting table 313 from continuing to float. The locking unit 34 includes a positioning cylinder 341 vertically disposed on the support table 312 and a positioning hole 342 disposed on the mounting table 313, and an output shaft of the positioning cylinder 341 can extend into the connecting hole 324 to lock the position of the mounting plate, and the output shaft releases the locking of the mounting plate after leaving the positioning hole 342.
As shown in fig. 17, the present embodiment is further provided with a detection unit 35 for monitoring the lifting height of the lifting driving unit 33, and includes a sensor mounting seat 351 vertically disposed on the machine 311, where a plurality of proximity sensors 352 are disposed on the sensor mounting seat 351; a plurality of sensing pieces 353 are mounted at the lower end of the support table 312 to be engaged with the proximity sensor 352. The proximity sensor 352 is disposed at the highest point and the lowest point of the stroke of the jacking driving unit 33, and the current position of the support table 312 is determined according to the information fed back by the proximity sensor 352, so as to control the jacking timing of the jacking driving unit 33.
The safety bars 36 are further arranged on the two sides of the machine table 311, and the maintenance of the convict sheep is mounted on the safety bars 36 during equipment maintenance, so that the mechanism can be prevented from falling accidentally, and the personal safety of maintenance personnel is threatened.
As shown in fig. 18 and 19, the press-fit positioning module 40 includes a press-fit supporting plate 41 located above the tray supporting frame 22, a plurality of pressing plates 42 disposed on the press-fit supporting plate 41, and a press-fit moving unit driving the press-fit supporting plate 41 to move vertically. As can be seen from the above description of the tray support 22, the tray support 22 is only affected by the gravity of the combined tray 51 itself before the combined tray 51 is press-fitted; after the assembly tray 51 is pressed, the tray support 22 bears the dead weight of the battery module and the assembly tray 51. In the press-fitting process, the position of the pressing plate 42 corresponds to the module mounting position on the combined tray 51, the pressing plate 42 abuts against the back surface of the single-package battery cell 50, and the auxiliary tray support 22 supports the combined tray 51, so that the combined tray 51 or the tray support 22 is prevented from being crushed by excessive pressure.
The press-fitting moving unit comprises a press-fitting rail 43 and a press-fitting fixing plate 44, wherein the press-fitting rail 43 is arranged in the same direction as the tray rail 21, the press-fitting fixing plate 44 is connected to the press-fitting rail 43 in a sliding manner, a gear meshing structure is arranged on the press-fitting rail 43, transmission racks extending along the press-fitting rail 43 are arranged on two sides of the press-fitting rail 43, transmission gears driven by a rotating motor are arranged on the side edges of the press-fitting fixing plate 44, and the transmission gears are meshed with the transmission racks to drive the press-fitting fixing plate 44 to move horizontally so as to match the tray support frame 22 to reach an assembling position.
The press-fit moving unit further comprises a lifting unit 48 arranged on the press-fit fixing plate 44, the press-fit rail 43 is used for driving the pressing plate 42 to move horizontally, and the lifting unit 48 is used for driving the pressing plate to move on a vertical plane. In this embodiment, the lifting unit 48 adopts a motor screw structure, and includes a transmission rod 481 connected to the press-fit fixing plate 44 and a rotating motor connected to the driving end of the transmission rod 481, where the press-fit supporting plate 41 is connected to the output end of the lifting unit 48, and the rotating power of the rotating motor is converted into the lifting capability of the press-fit supporting plate 41 by the transmission rod 481. The press-fit fixing plate 44 is further provided with a plurality of groups of second guide posts 483 for assisting in guiding the press-fit supporting plate 41 to move vertically, the position of the supporting table 312 corresponding to the second guide posts 483 is provided with second guide rods 484, and the second guide rods 484 are slidably connected to the second guide posts 483.
In this embodiment, an error-proofing unit for monitoring whether the snap lock 53 of the combined tray 51 is locked in place is further disposed below the tray rail 21, where the error-proofing unit is located at the end of the tray rail 21 and includes a detection plate 27 and a plurality of detection elements 28 disposed on the detection plate 27, and the positions of the detection elements 28 correspond to the positions of the snap lock 53 of the combined tray 51.
In connection with fig. 20, the working procedure of this embodiment is as follows: the single-package battery cell 50 is conveyed to a waiting station by the module conveying module 10, and the combined tray 51 is conveyed to an assembling station by the tray conveying module 20. After the combined tray 51 is detected to be in place, the module jacking module 30 is started, and the single-package battery cells 50 are jacked into the combined tray 51; the flexible supporting unit 32 in the module jacking module 30 can automatically align the positions of the lock shaft 52 and the lock catch 53, so that the lock shaft 52 is pressed into the lock catch 53 to fix the position of the single-package battery cell 50; the press-fit positioning module 40 butts against the back of the single-package cell 50 during the whole press-fit process, providing support for the press-fit process. The assembling tray 51 and the pressing plate 42 are respectively transferred to each press-fitting position through the tray rail 21 and the press-fitting rail 43, and the assembling of each single-package cell 50 is sequentially completed. The assembled pallet 51 continues to move through the pallet conveying module 20, the position of the lock catch 53 is detected by the misplacement unit, and the qualified products are transferred to the target position by external hoisting equipment.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims (10)

1. Cell module back-off pressure equipment production line, its characterized in that: the device comprises a module conveying module (10) for conveying single-package battery cores (50), a tray conveying module (20) for conveying combined trays (51), a module jacking module (30) for pressing the modules into the combined trays (51), and a press-mounting positioning module (40) for supporting the tops of the single-package battery cores (50) when the module jacking module (30) works;
the module conveying module (10) comprises a module track (11) for conveying single-package battery cells (50) and a module supporting plate (12) for supporting the single-package battery cells (50), and the module supporting plate (12) is driven by a module driving unit to horizontally move along the module track (11);
the tray conveying module (20) comprises a tray rail (21) for conveying the combined tray (51) and a tray supporting frame (22) for supporting the combined tray (51), the tray rail (21) is arranged above the module rail (11), and the tray supporting frame (22) is driven by a tray driving unit to reciprocate along the tray rail (21);
the module jacking module (30) is arranged below the module supporting plate (12) and comprises a jacking supporting unit (31) capable of vertically lifting, and the jacking supporting unit (31) comprises a mounting table (313) connected with the bottom of the single-package battery cell (50);
the press-fit positioning module (40) is arranged above the tray supporting frame (22) and comprises a press-fit supporting plate (41) capable of vertically lifting, and a plurality of pressing plates (42) for outputting pushing force to the top of the single-package battery cell (50) are arranged at the bottom of the press-fit supporting plate (41).
2. The cell module back-off press-fit line as set forth in claim 1, wherein: the module conveying modules (10) are arranged in at least two groups in parallel, and the tray rails (21) cross each group of module rails (11);
the bottom of each group of module rails (11) is respectively provided with a group of module jacking modules (30).
3. The cell module back-off press-fit line as recited in claim 2, wherein: the press-fit positioning module (40) further comprises a press-fit rail (43) which is arranged in the same direction as the tray rail (21) and a press-fit fixing plate (44) which is connected to the press-fit rail (43) in a sliding manner;
the press-fitting fixing plate (44) is provided with a lifting unit for driving the press-fitting supporting plate (41) to vertically lift.
4. A cell module back-off press-fit line as recited in claim 3, wherein: the module support plate (12), the tray support frame (22) and the press-fit fixing plate (44) are respectively meshed with racks arranged on the module track (11), the tray track (21) and the press-fit track (43) through gear transmission mechanisms.
5. The cell module back-off press-fit line as set forth in claim 1, wherein: the jacking supporting unit (31) further comprises a machine table (311) and a supporting table (312), wherein a flexible supporting unit (32) is arranged between the supporting table (312) and the mounting table (313), so that the mounting table (313) is in a floating state;
the machine table (311) is provided with a jacking driving unit (33), and the supporting table is connected to the jacking output end of the jacking driving unit (33).
6. The cell module back-off press-fit line as set forth in claim 5, wherein: the flexible supporting unit (32) comprises a connecting disc (321) arranged on the supporting table (312) and a supporting part (322) arranged in the center of the connecting disc (321), a flexible connecting block (323) is connected to the top of the supporting part (322), and a connecting hole (324) matched with the flexible connecting block (323) is formed in the mounting table (313); a thrust ball bearing (325) is arranged between the connecting disc (321) and the supporting part (322).
7. The cell module back-off press-fit line as set forth in claim 6, wherein: the module jacking module (30) further comprises a locking unit (34) for locking the floating state of the mounting table (313), the locking unit (34) comprises a positioning cylinder (341) vertically arranged on the supporting table (312) and a positioning hole (342) arranged on the mounting table (313), and an output shaft of the positioning cylinder (341) can extend into the connecting hole (324).
8. The cell module back-off press-fit line as set forth in claim 1, wherein: the tray is characterized in that an error proofing unit is arranged below the tray track (21), the error proofing unit is located at the tail end of the tray track (21) and comprises a detection plate (27) and a plurality of detection elements (28) arranged on the detection plate (27), and the positions of the detection elements (28) and the positions of the lock catches (53) on the combined tray (51) correspond to each other.
9. A press-fitting method of a battery cell module is characterized by comprising the following steps: press-fitting a cell module using a cell module back-off press-fitting line according to any one of claims 1 to 8, comprising the steps of:
the single-package battery cell (50) and the combined tray (51) are transported to an assembly station by using a module rail (11) and a tray rail (21) respectively;
supporting the bottom of the single-package battery cell (50) on the module track (11) by using a module jacking module (30) and jacking the single-package battery cell (50) into a combined tray (51) to finish assembly;
the pressing plate (42) on the press-mounting positioning module (40) is used for propping against the top of the single-package battery cell (50), and the pressing force is continuously applied to the single-package battery cell (50) in the assembling process.
10. The method for press-fitting a battery cell module of claim 9, wherein: and detecting the press-fit position of the assembled combined tray (51), and hoisting the detected combined tray (51) to a target position.
CN202311756298.4A 2023-12-20 2023-12-20 Battery cell module reverse buckling and press mounting production line and battery cell module press mounting method Active CN117438633B (en)

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