CN113594557B - Offline assembly device for multi-core lithium battery - Google Patents

Offline assembly device for multi-core lithium battery Download PDF

Info

Publication number
CN113594557B
CN113594557B CN202110855007.1A CN202110855007A CN113594557B CN 113594557 B CN113594557 B CN 113594557B CN 202110855007 A CN202110855007 A CN 202110855007A CN 113594557 B CN113594557 B CN 113594557B
Authority
CN
China
Prior art keywords
core
shifting
folding knife
cover plate
rotating shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202110855007.1A
Other languages
Chinese (zh)
Other versions
CN113594557A (en
Inventor
王友路
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Gotion High Tech Power Energy Co Ltd
Original Assignee
Hefei Guoxuan High Tech Power Energy Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hefei Guoxuan High Tech Power Energy Co Ltd filed Critical Hefei Guoxuan High Tech Power Energy Co Ltd
Priority to CN202110855007.1A priority Critical patent/CN113594557B/en
Publication of CN113594557A publication Critical patent/CN113594557A/en
Application granted granted Critical
Publication of CN113594557B publication Critical patent/CN113594557B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/058Construction or manufacture
    • H01M10/0587Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/003Positioning devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Abstract

The utility model relates to the field of battery assembly, in particular to an off-line assembly device for a multi-core lithium battery, which comprises a bracket, wherein a cover plate supporting plate is horizontally arranged on the bracket; two sides of the cover plate supporting plate are respectively provided with a core closing plate, the core closing plates are fixedly provided with rotating shafts, the rotating shafts are rotatably arranged on the bracket, the rotating shafts are horizontally arranged, and the rotating shafts at two sides of the cover plate supporting plate are parallel; the folding knife is slidably arranged on the rotating shaft, and can axially slide to a position between the cover plate supporting plate and the core closing plate along the rotating shaft, and the folding knife can rotate along with the rotating shaft. The utility model has the advantages that: when the multi-core lithium battery offline assembly device is used for battery assembly, the operation is more convenient, and the multi-core lithium battery offline assembly device has the advantages of simple structure, high precision, low cost, convenience in use and the like.

Description

Offline assembly device for multi-core lithium battery
Technical Field
The utility model relates to the field of battery assembly, in particular to an offline assembly device for a multi-core lithium battery.
Background
The lithium battery assembly process is one of the key processes in the lithium battery manufacturing process, and the process forms a battery by core-closing, shell-inserting and welding the formed winding core. The core closing is usually implemented by a core closing device, for example, chinese patent publication No. CN208368654U discloses a core closing device for a lithium battery, which includes: the bottom plate, the core assembly and the gland assembly; the core assembly comprises an upright post and two core assembling rods; the upright posts are arranged on the bottom plate, the two combined core rods are rotatably arranged on the upright posts and are symmetrically arranged, and the middle parts of the combined core rods protrude towards the other combined core rod to form a station for installing the electric core; the gland assembly comprises two lower pressure cylinders, two travel cylinders, a supporting plate and a supporting column. The device can realize core closing operation, but in the assembly of a plurality of winding cores, the thickness of the battery is increased and the length of the tab is increased due to the large number of winding cores; the pole ear length is too big and easily leads to the pole ear to turn over, damage etc. and the assembly is comparatively inconvenient, and when going into the shell after rolling up core and battery apron welding, pole ear form is difficult to control moreover, and the pole ear of overlength easily inserts and rolls up the inside battery short circuit that causes of core, can't put into mass production.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the technical problem of inconvenient battery assembly in the prior art.
The utility model solves the technical problems by the following technical means: the off-line assembly device for the multi-core lithium battery comprises a bracket, wherein a cover plate supporting plate is horizontally arranged on the bracket;
two sides of the cover plate supporting plate are respectively provided with a core closing plate, the core closing plates are fixedly provided with rotating shafts, the rotating shafts are rotatably arranged on the bracket, the rotating shafts are horizontally arranged, and the rotating shafts at two sides of the cover plate supporting plate are parallel;
the folding knife is slidably arranged on the rotating shaft, and can axially slide to a position between the cover plate supporting plate and the core closing plate along the rotating shaft, and the folding knife can rotate along with the rotating shaft.
The off-line assembly device for the multi-core lithium battery is mainly used for assembling a core and a cover plate in practical application, and the typical structure of the core and the cover plate is as follows: the apron is located the centre, and the both sides of apron respectively set up a set of core, and every group includes two upper and lower superimposed cores that roll up, and every group rolls up the core inboard and is provided with two utmost point ears, and the utmost point ear is connected with the apron through corresponding connection piece respectively. In the initial state, the cover plate support plate and the core closing plates at the two sides are both in a horizontal state, the connected cover plate is placed on the cover plate support plate in the middle, the two groups of winding cores are respectively placed on the corresponding core closing plates, after being placed at the corresponding positions, the folding knife is moved along the rotating shaft and is moved to the position between the cover plate support plate and the core closing plates, the folding knife is positioned at the outer side of the corresponding connecting plate, after being moved in place, the two core closing plates are pulled, so that the core closing plates rotate around the corresponding rotating shaft, at the moment, the folding knife rotates along with the rotating shaft, the connecting plate can be stirred to bend, the core closing plates are in a vertical state after being turned over by 90 degrees, at the moment, the two groups of winding cores are turned over for assembly, then the folding knife is withdrawn for reset, and the two core closing plates can be reset.
Preferably, the core folding plate is provided with a winding core placing groove.
Preferably, the rotary shaft is provided with a convex strip, the convex strip is parallel to the rotary shaft, the folding knife is provided with a groove matched with the convex strip, and the folding knife is slidably arranged on the rotary shaft and the convex strip.
The convex strips can limit the circumferential rotation of the folding knife, so that the folding knife is prevented from rotating circumferentially while axially sliding on the rotating shaft, and the folding knife can move and bend the connecting sheet, so that core closing operation is realized.
Preferably, the folding knife comprises a sliding block which is slidably arranged on the rotating shaft, a folding blade is arranged on the sliding block, and the folding blade is of a strip-shaped plate-shaped structure.
Preferably, the device further comprises a shifting block which is slidably arranged on the bracket, and the sliding direction of the shifting block is parallel to the sliding direction of the sliding block;
the shifting block is provided with a shifting fork with an opening facing the sliding block, and the sliding block is positioned in the opening of the shifting fork;
the bracket is provided with a shifting block driving mechanism.
The shifting block driving mechanism can drive the shifting block to slide, so that the shifting block is driven to shift the sliding block to move, and then the folding knife is inserted and reset.
Preferably, each core-closing plate is provided with two coaxial rotating shafts, and the two corresponding rotating shafts of each core-closing plate are respectively positioned at two sides of the core-closing plate;
the two shifting blocks are respectively positioned between the rotating shafts at the same end of the two core closing plates, two shifting forks are respectively arranged at two sides of each shifting block, and sliding blocks at two sides of each shifting block are respectively positioned in corresponding shifting fork openings;
the shifting block driving mechanism comprises a telescopic mechanism with a telescopic direction perpendicular to the sliding direction of the shifting blocks, and the movable end of the telescopic mechanism is respectively connected with the two shifting blocks through two connecting rods.
When the movable end of the telescopic mechanism acts, the shifting block can be driven to reciprocate through the connecting rod, so that the folding knife is driven to move, the automation degree is high, and the operation is convenient and reliable.
Preferably, the telescopic mechanism adopts a push rod motor or an air cylinder.
Preferably, a pair of rollers are arranged on the shifting fork, the rotation axis of each roller is perpendicular to the sliding direction of the corresponding sliding block, and the sliding block is located between the two rollers on the corresponding shifting fork.
When the core operation is closed, the pivot takes place to rotate, and the folding knife can rotate along with the pivot simultaneously, and the setting of gyro wheel can become to slide and roll, avoids slider and shift fork to take place sliding friction, and the slider rotates comparatively smoothly.
Preferably, the same gears are arranged on the rotating shaft, and the gears corresponding to the two core plates are meshed with each other.
Through gear engagement, when one of the core closing plates can be turned over, the other core closing plate can be turned over synchronously, and further two groups of winding cores can be ensured to run synchronously to realize core closing.
Preferably, the gear is driven by a gear drive mechanism.
When the gear driving mechanism works, the two combined core plates can be driven by the gears to synchronously turn over, so that the degree of automation is high.
The utility model has the advantages that:
1. the off-line assembly device for the multi-core lithium battery is mainly used for assembling a core and a cover plate in practical application, and the typical structure of the core and the cover plate is as follows: the apron is located the centre, and the both sides of apron respectively set up a set of core, and every group includes two upper and lower superimposed cores that roll up, and every group rolls up the core inboard and is provided with two utmost point ears, and the utmost point ear is connected with the apron through corresponding connection piece respectively. In the initial state, the cover plate support plate and the core closing plates at the two sides are both in a horizontal state, the connected cover plate is placed on the cover plate support plate in the middle, the two groups of winding cores are respectively placed on the corresponding core closing plates, after being placed at the corresponding positions, the folding knife is moved along the rotating shaft and is moved to the position between the cover plate support plate and the core closing plates, the folding knife is positioned at the outer side of the corresponding connecting plate, after being moved in place, the two core closing plates are pulled, so that the core closing plates rotate around the corresponding rotating shaft, at the moment, the folding knife rotates along with the rotating shaft, the connecting plate can be stirred to bend, the core closing plates are in a vertical state after being turned over by 90 degrees, at the moment, the two groups of winding cores are turned over for assembly, then the folding knife is withdrawn for reset, and the two core closing plates can be reset.
2. The convex strips can limit the circumferential rotation of the folding knife, so that the folding knife is prevented from rotating circumferentially while axially sliding on the rotating shaft, and the folding knife can move and bend the connecting sheet, so that core closing operation is realized.
3. The shifting block driving mechanism can drive the shifting block to slide, so that the shifting block is driven to shift the sliding block to move, and then the folding knife is inserted and reset.
4. When the movable end of the telescopic mechanism acts, the shifting block can be driven to reciprocate through the connecting rod, so that the folding knife is driven to move, the automation degree is high, and the operation is convenient and reliable.
5. When the core operation is closed, the pivot takes place to rotate, and the folding knife can rotate along with the pivot simultaneously, and the setting of gyro wheel can become to slide and roll, avoids slider and shift fork to take place sliding friction, and the slider rotates comparatively smoothly.
6. Through gear engagement, when one of the core closing plates can be turned over, the other core closing plate can be turned over synchronously, and further two groups of winding cores can be ensured to run synchronously to realize core closing.
7. When the gear driving mechanism works, the two combined core plates can be driven by the gears to synchronously turn over, so that the degree of automation is high.
Drawings
Fig. 1 is a top view of an offline assembly device for a multi-core lithium battery according to an embodiment of the utility model;
FIGS. 2 and 3 are cross-sectional views of A-A and B-B, respectively, of FIG. 1;
fig. 4 is a top view of an offline assembly device for a multi-core lithium battery according to a second embodiment of the utility model;
FIGS. 5 and 6 are cross-sectional views of C-C, D-D of FIG. 4, respectively;
fig. 7 is a top view of an off-line assembly device for a multi-core lithium battery according to a third embodiment of the present utility model;
FIGS. 8 and 9 are cross-sectional views of E-E, F-F, respectively, of FIG. 7;
fig. 10 is a top view of an off-line assembly device for a multi-core lithium battery according to a fourth embodiment of the present utility model;
FIGS. 11 and 12 are cross-sectional views of G-G, H-H of FIG. 10, respectively;
FIG. 13 is a top view of an embodiment of the present utility model after the winding core is attached to the cover;
FIG. 14 is a front view of a roll core coupled to a cover in accordance with an embodiment of the present utility model;
FIG. 15 is a schematic view of a roll core flipped over in accordance with an embodiment of the present utility model;
FIG. 16 is a schematic view of the embodiment of the present utility model after the winding core is turned over;
wherein,
a bracket-1; installing an upright post-11;
a cover plate support plate-2;
core-closing plate-3; a rotating shaft-31; a winding core placing groove-32; raised strips-311; gear-312;
a folding knife-4; a slider-41; folding blade-42;
a shifting block-5; a shift fork-51; a roller-52;
a shifting block driving mechanism-6; a telescopic mechanism-61; a connecting rod-62;
a gear driving mechanism-7;
a cover plate-8; a connecting piece-81;
a winding core-9; tab-91.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described in the following in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
as shown in fig. 1, an offline assembly device for a multi-core lithium battery comprises a bracket 1, a cover plate supporting plate 2, a core closing plate 3 and a folding knife 4.
In this embodiment, the main function of the bracket 1 is to provide mounting positions for the other parts, and the bracket 1 is not limited to a specific shape, as long as the bracket 1 can meet the requirement of mounting and matching the parts and realize corresponding functions, and in this embodiment, the bracket 1 is a rectangular plate.
For ease of description and understanding, the rest of the orientations are analogically referenced from the perspective of fig. 1, and it should be understood that this orientation setting is merely for convenience of description and understanding and is not to be construed as limiting the utility model.
As shown in fig. 1 and 3, a cover plate supporting plate 2 is horizontally arranged on a bracket 1; the cover plate support plate 2 is a rectangular plate, and the lower part of the cover plate support plate is supported by four upright posts.
As shown in fig. 1, two sides of the cover support plate 2 are respectively provided with a core closing plate 3, specifically, the core closing plates 3 are respectively located at front and rear sides of the cover support plate 2, the core closing plates 3 are in rectangular plate-shaped structures, the core closing plates 3 are provided with core placing grooves 32, and openings of the core placing grooves 32 are upward and penetrate in front and rear directions for placing the cores 9.
As shown in fig. 1, the core plate 3 is fixedly provided with a rotating shaft 31, the rotating shaft 31 is rotatably mounted on the bracket 1, the rotating shaft 31 is horizontally arranged, the rotating shafts 31 on two sides of the cover plate support plate 2 are parallel, and the core plate support column 33 is arranged below the core plate 3 and is used for supporting the core plate 3 to ensure the horizontal direction.
As shown in fig. 1, two coaxial rotating shafts 31 are arranged on each core-combining plate 3, the rotating shafts 31 are along the left-right direction, and the two corresponding rotating shafts 31 of each core-combining plate 3 are respectively positioned at two sides of the core-combining plate 3; specifically, the left and right sides of the core board 3 are fixedly connected with two rotating shafts 31 on both sides thereof through a connecting plate respectively.
As shown in fig. 1 and 2, the support 1 is provided with four mounting posts 11, and the rotating shaft 31 is mounted on the corresponding mounting post 11 through a bearing.
As shown in fig. 1, the rotary shaft 31 is slidably provided with a folding knife 4, the folding knife 4 can axially slide along the rotary shaft 31 to a position between the cover plate support plate 2 and the core plate 3, and the folding knife 4 can rotate along with the rotary shaft 31.
Specifically, as shown in fig. 1 and 3, the rotation shaft 31 is provided with a protruding strip 311, the protruding strip 311 is parallel to the rotation shaft 31, the folding knife 4 is provided with a groove matched with the protruding strip 311, and the folding knife 4 is slidably mounted on the rotation shaft 31 and the protruding strip 311.
As shown in fig. 1, the folding knife 4 includes a slider 41 slidably mounted on the rotating shaft 31, and a folding blade 42 is disposed on the slider 41, where the folding blade 42 has a strip-shaped plate structure.
In practical application, referring to fig. 13 and 14, a typical winding core and cover plate structure is as follows: the cover plate 8 is positioned in the middle, two sides of the cover plate 8 are respectively provided with a group of winding cores 9, each group comprises an upper winding core 9 and a lower winding core 9 which are overlapped, the inner side of each group of winding cores 9 is provided with two lugs 91, the lugs 91 are respectively connected with the cover plate 8 through corresponding connecting pieces 81, and the connecting pieces 81 are formed by bending L-shaped sheet structures in combination with figures 13 and 14.
In the initial state, the cover plate support plate 2 and the core closing plates 3 on both sides are in a horizontal state, the connected cover plate 8 is placed on the cover plate support plate 2 in the middle, the two groups of winding cores 9 are respectively placed on the corresponding core closing plates 3, after being placed at the corresponding positions, the folding knife 4 is moved along the rotating shaft 31, the folding knife 4 is moved to the position between the cover plate support plate 2 and the core closing plates 3, and the folding knife 4 is positioned on the outer side of the corresponding connecting sheet 81. Preferably, the side of the folding knife 4 is parallel to the end face of the winding core 9.
Further, the bracket 1 is provided with a long hole along the front-rear direction in the length direction, and further comprises two movable plates (not shown in the figure), the two movable plates are respectively mounted in the corresponding long holes one by one through screws so as to realize front-rear position adjustment, the core-closing plate support columns 33 and the mounting upright columns 11 corresponding to the core-closing plates 3 at the front side and the rear side are respectively mounted on the corresponding movable plates, and the position adjustment between the core-closing plates 3 and the cover plate support plates 2 can be realized through the position adjustment of the movable plates.
Embodiment two:
the difference between this embodiment and the first embodiment is that:
as shown in fig. 4, the sliding device further comprises a shifting block 5 which is slidably mounted on the bracket 1, wherein the sliding direction of the shifting block 5 is parallel to the sliding direction of the sliding block 41; i.e. the sliding direction of the dial 5 is in the left-right direction.
As shown in fig. 4, the shifting block 5 is provided with a shifting fork 51 with an opening facing the sliding block 41, and the sliding block 41 is positioned in the opening of the shifting fork 51; the bracket 1 is provided with a shifting block driving mechanism 6.
As shown in fig. 4 and 5, two of the shifting blocks 5 are disposed, the two shifting blocks 5 are respectively located at positions between the rotating shafts 31 at the same end of the two core closing plates 3, specifically, two pairs of guide posts along the left-right direction are disposed between the rotating shafts 31 at the front side and the rear side, and the shifting blocks 5 are respectively slidably mounted on the corresponding guide posts.
As shown in fig. 4, two sides of the shifting block 5 are respectively provided with a shifting fork 51, and the sliding blocks 41 at two sides of the shifting block 5 are respectively positioned in the openings of the corresponding shifting forks 51; the said driving mechanism 6 of the dial block includes the telescopic mechanism 61 of the sliding direction perpendicular to dial block 5 of the telescopic direction, the movable end of the telescopic mechanism 61 is connected with two dial blocks 5 separately through two tie rods 62, namely both ends of the tie rod 62 are hinged on movable end of the telescopic mechanism 61 and dial block 5 separately, the hinge axis is along the fore-and-aft direction. The telescopic mechanism 61 adopts a push rod motor or an air cylinder. The telescopic mechanism 61 is arranged vertically.
As shown in fig. 4 and 6, the fork 51 is provided with a pair of rollers 52, the rotation axes of the rollers 52 are perpendicular to the sliding direction of the slide block 41, the slide block 41 is located between the two rollers 52 on the corresponding fork 51, the slide block 41 is in a disc-shaped structure, the slide block 41 is coaxial with the rotating shaft 31, and the axes of the rollers 52 are parallel to the radial direction of the disc-shaped slide block 41.
In practical application, when the telescopic mechanism 61 extends upwards, the connecting rods 62 at two sides can push the poking blocks 5 to move, the poking blocks 5 push the folding knives 4 to move through the rollers 52, and conversely, when the telescopic mechanism 61 retracts downwards, the connecting rods 62 at two sides can push the poking blocks 5 to move, the poking blocks 5 push the folding knives 4 to move through the rollers 52, all the folding knives 4 are inserted into the middle, after the folding plates 3 are inserted in place, the rotating shafts 31 rotate, the rotating shafts 31 drive the folding knives 4 to rotate together through the raised strips 311, the folding knives 4 can bend the connecting pieces 81, meanwhile, the folding knives 4 can also support the corresponding winding cores 9, and meanwhile, the folding knives 4 rotate smoothly under the action of the rollers 52.
Embodiment III:
the difference between this embodiment and the second embodiment is that:
as shown in fig. 7-9, the same gears 312 are disposed on the rotating shaft 31, and the gears 312 corresponding to the two core plates 3 are meshed with each other.
Embodiment four:
the difference between this embodiment and the third embodiment is that:
as shown in fig. 10-12, the gear 312 is driven by the gear driving mechanism 7, specifically, the gear driving mechanism 7 includes a motor disposed on the support 1, and an output shaft of the motor is connected with the gear 312 through a coupling, or a driving gear is disposed on an output shaft of the motor, and the driving gear is meshed with one of the gears 312, so as to further drive the core-folding board 3 to turn.
Working principle:
the offline assembly device for the multi-core lithium battery is mainly used for assembling the core and the cover plate in practical application, and as shown in fig. 13 and 14, the typical structure of the core and the cover plate is as follows: the cover plate 8 is positioned in the middle, two sides of the cover plate 8 are respectively provided with a group of winding cores 9, each group comprises an upper winding core 9 and a lower winding core 9 which are overlapped, two lugs 91 are arranged on the inner side of each group of winding cores 9, and the lugs 91 are respectively connected with the cover plate 8 through corresponding connecting pieces 81. In the initial state, the cover plate support plate 2 and the core closing plates 3 on the two sides are both in the horizontal state, the connected cover plate 8 is placed on the cover plate support plate 2 in the middle, the two groups of winding cores 9 are respectively placed on the corresponding core closing plates 3, after being placed at the corresponding positions, the folding knife 4 is moved along the rotating shaft 31, the folding knife 4 is moved to the position between the cover plate support plate 2 and the core closing plates 3, and is positioned on the outer side of the corresponding connecting piece 81, after being moved in place, the two core closing plates 3 are pulled to enable the core closing plates 3 to rotate around the corresponding rotating shaft 31, at the moment, the folding knife 4 rotates along with the rotating shaft 31, and simultaneously can stir the connecting piece 81 to bend, namely, the state shown in fig. 15, the core closing plates 3 are in the vertical state after being turned by 90 degrees, at the moment, the two groups of winding cores 9 are in the state shown in fig. 16, then the folding knife 4 is withdrawn and reset, and when the multi-core lithium battery offline assembly device is used for assembling batteries, the operation is more convenient, and has the advantages of simple structure, high precision, low cost, convenience in use and the like.
The protruding strips 311 can limit the circumferential rotation of the folding knife 4, further ensure that the folding knife 4 axially slides on the rotating shaft 31 and simultaneously avoid the circumferential rotation, and further realize that the folding knife 4 moves and simultaneously can bend the connecting sheet 81, thereby realizing core closing operation.
The poking block driving mechanism 6 can drive the poking block 5 to slide, and then drive the poking block 5 to poke the sliding block 41 to move, so that the insertion and the resetting of the folding knife 4 are realized.
When the movable end of the telescopic mechanism 61 acts, the shifting block 5 can be driven to reciprocate through the connecting rod 62, so that the folding knife 4 is driven to move, the degree of automation is high, and the operation is convenient and reliable.
When the core closing operation is performed, the rotating shaft 31 rotates, the folding knife 4 rotates along with the rotating shaft 31, the roller 52 can slide to roll, sliding friction between the sliding block 41 and the shifting fork 51 is avoided, and the sliding block 41 rotates smoothly.
Through gear engagement, when one of the core plates 3 is turned over, the other core plate 3 can be turned over synchronously, and further two groups of winding cores 9 can be ensured to run synchronously to realize core combination.
When the gear driving mechanism 7 works, the two core plates 3 can be driven by the gears 312 to synchronously turn over, so that the degree of automation is high.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (8)

1. The utility model provides a many rolls of core lithium cell off-line assembly device which characterized in that: comprises a bracket (1), wherein a cover plate supporting plate (2) is horizontally arranged on the bracket (1);
two sides of the cover plate supporting plate (2) are respectively provided with a core closing plate (3), the core closing plates (3) are fixedly provided with rotating shafts (31), the rotating shafts (31) are rotatably arranged on the bracket (1), the rotating shafts (31) are horizontally arranged, and the rotating shafts (31) at two sides of the cover plate supporting plate (2) are parallel;
the middle of the cover plate supporting plate (2) is provided with a cover plate (8), two sides of the cover plate (8) are respectively provided with a group of winding cores (9), the inner sides of the winding cores (9) are provided with pole lugs (91), the pole lugs (91) are connected with connecting pieces (81) corresponding to the two sides of the cover plate (8), and the winding cores (9) are arranged on the core closing plate (3);
the folding knife (4) is slidably arranged on the rotating shaft (31), the folding knife (4) can axially slide to a position between the cover plate supporting plate (2) and the core closing plate (3) along the rotating shaft (31), the folding knife (4) is positioned at the outer side of the corresponding connecting sheet (81), the folding knife (4) can rotate along with the rotating shaft (31), the connecting sheet (81) is stirred to bend, and the core closing plate (3) and the winding core (9) are turned;
the folding knife is characterized in that a raised line (311) is arranged on the rotating shaft (31), the raised line (311) is parallel to the rotating shaft (31), a groove matched with the raised line (311) is arranged on the folding knife (4) and used for limiting the circumferential rotation of the folding knife (4), and the folding knife (4) is slidably arranged on the rotating shaft (31) and the raised line (311);
the folding knife (4) comprises a sliding block (41) which is slidably arranged on the rotating shaft (31), a folding blade (42) is arranged on the sliding block (41), and the folding blade (42) is of a strip-shaped plate structure.
2. The multi-core lithium battery offline assembly device according to claim 1, wherein: the core folding plate (3) is provided with a winding core placing groove (32).
3. The multi-core lithium battery offline assembly device according to claim 1, wherein: the device also comprises a shifting block (5) which is slidably arranged on the bracket (1), and the sliding direction of the shifting block (5) is parallel to the sliding direction of the sliding block (41);
a shifting fork (51) with an opening facing the sliding block (41) is arranged on the shifting block (5), and the sliding block (41) is positioned in the opening of the shifting fork (51);
the support (1) is provided with a poking block driving mechanism (6) for driving the poking block (5) to slide, and the poking block (5) pokes the sliding block (41) to move, so that the folding knife (4) is inserted and reset.
4. The multi-core lithium battery offline assembly device according to claim 3, wherein: two coaxial rotating shafts (31) are arranged on each core-closing plate (3), and the two corresponding rotating shafts (31) of each core-closing plate (3) are respectively positioned at two sides of the core-closing plate (3);
the two shifting blocks (5) are arranged, the two shifting blocks (5) are respectively positioned between the rotating shafts (31) at the same end of the two core closing plates (3), two shifting forks (51) are respectively arranged at two sides of each shifting block (5), and sliding blocks (41) at two sides of each shifting block (5) are respectively positioned in the openings of the corresponding shifting forks (51);
the shifting block driving mechanism (6) comprises a telescopic mechanism (61) with a telescopic direction perpendicular to the sliding direction of the shifting blocks (5), and the movable end of the telescopic mechanism (61) is respectively connected with the two shifting blocks (5) through two connecting rods (62).
5. The multi-core lithium battery offline assembly device according to claim 4, wherein: the telescopic mechanism (61) adopts a push rod motor or an air cylinder.
6. The multi-core lithium battery offline assembly device according to claim 3, wherein: the shifting fork (51) is provided with a pair of rollers (52), the rotation axis of the rollers (52) is perpendicular to the sliding direction of the sliding block (41), and the sliding block (41) is positioned between the two rollers (52) on the corresponding shifting fork (51).
7. The multi-core lithium battery offline assembly device according to claim 1, wherein: the rotating shaft (31) is provided with the same gears (312), the gears (312) corresponding to the two core closing plates (3) are meshed with each other, and the two groups of winding cores (9) synchronously run to realize core closing.
8. The multi-core lithium battery offline assembly device according to claim 7, wherein: the gear (312) is driven by a gear drive (7).
CN202110855007.1A 2021-07-28 2021-07-28 Offline assembly device for multi-core lithium battery Active CN113594557B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110855007.1A CN113594557B (en) 2021-07-28 2021-07-28 Offline assembly device for multi-core lithium battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110855007.1A CN113594557B (en) 2021-07-28 2021-07-28 Offline assembly device for multi-core lithium battery

Publications (2)

Publication Number Publication Date
CN113594557A CN113594557A (en) 2021-11-02
CN113594557B true CN113594557B (en) 2024-01-26

Family

ID=78250983

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110855007.1A Active CN113594557B (en) 2021-07-28 2021-07-28 Offline assembly device for multi-core lithium battery

Country Status (1)

Country Link
CN (1) CN113594557B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114985927B (en) * 2022-05-31 2023-07-18 广东舜元激光科技有限公司 Welding device and welding method for battery cell

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101635335A (en) * 2008-07-25 2010-01-27 深圳市比克电池有限公司 Package machine of cylindrical battery roll core
CN207398282U (en) * 2017-08-11 2018-05-22 无锡先导智能装备股份有限公司 Mechanism is closed up in battery core fold
CN108258321A (en) * 2017-12-13 2018-07-06 深圳市联赢激光股份有限公司 A kind of electrical core of power battery automatic matching machine
CN108922993A (en) * 2018-08-14 2018-11-30 江苏海基新能源股份有限公司 The rectangular winding multi-pole lug lithium ion battery of one kind and its assembly method
CN208368654U (en) * 2018-06-15 2019-01-11 合肥国轩高科动力能源有限公司 A kind of conjunction core apparatus of lithium battery
CN209626353U (en) * 2019-03-21 2019-11-12 大族激光科技产业集团股份有限公司 A kind of battery core conjunction core apparatus
CN210984870U (en) * 2019-10-24 2020-07-10 大族激光科技产业集团股份有限公司 Core combining device
CN211670290U (en) * 2020-03-26 2020-10-13 合肥国轩高科动力能源有限公司 Core winding and core combining device for lithium ion square aluminum shell battery
CN112599934A (en) * 2020-12-17 2021-04-02 合肥国轩高科动力能源有限公司 Method for assembling winding core of lithium battery
KR102236453B1 (en) * 2020-04-25 2021-04-06 주식회사 이노메트리 Apparatus and method for enhancing foldability of separator in prismatic secondary battery cell manufacturing equipment

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107262563B (en) * 2017-07-19 2023-08-18 奥美森智能装备股份有限公司 Bending machine

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101635335A (en) * 2008-07-25 2010-01-27 深圳市比克电池有限公司 Package machine of cylindrical battery roll core
CN207398282U (en) * 2017-08-11 2018-05-22 无锡先导智能装备股份有限公司 Mechanism is closed up in battery core fold
CN108258321A (en) * 2017-12-13 2018-07-06 深圳市联赢激光股份有限公司 A kind of electrical core of power battery automatic matching machine
CN208368654U (en) * 2018-06-15 2019-01-11 合肥国轩高科动力能源有限公司 A kind of conjunction core apparatus of lithium battery
CN108922993A (en) * 2018-08-14 2018-11-30 江苏海基新能源股份有限公司 The rectangular winding multi-pole lug lithium ion battery of one kind and its assembly method
CN209626353U (en) * 2019-03-21 2019-11-12 大族激光科技产业集团股份有限公司 A kind of battery core conjunction core apparatus
CN210984870U (en) * 2019-10-24 2020-07-10 大族激光科技产业集团股份有限公司 Core combining device
CN211670290U (en) * 2020-03-26 2020-10-13 合肥国轩高科动力能源有限公司 Core winding and core combining device for lithium ion square aluminum shell battery
KR102236453B1 (en) * 2020-04-25 2021-04-06 주식회사 이노메트리 Apparatus and method for enhancing foldability of separator in prismatic secondary battery cell manufacturing equipment
CN112599934A (en) * 2020-12-17 2021-04-02 合肥国轩高科动力能源有限公司 Method for assembling winding core of lithium battery

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
叉车电池自动助焊装配线的升降与翻转机构设计;陈伟;;南方农机(第22期);第55页 *
合装动力电池精确定位分析与改进;张前磊 等;《汽车工艺师》(第7期);第13-15页 *

Also Published As

Publication number Publication date
CN113594557A (en) 2021-11-02

Similar Documents

Publication Publication Date Title
CN113594557B (en) Offline assembly device for multi-core lithium battery
CN112928339B (en) Ultra-small distance winding needle structure of lithium battery sheet-making winding machine
CN214989034U (en) Section number control device for roll paper production and processing
CN216030987U (en) Cutting device is used in production of PET protection film with locate function
CN113300003A (en) Lithium ion battery synchronous laminating diaphragm cutting device and lithium ion battery manufacturing method
CN210576290U (en) Winding device for preventing lithium battery core from deforming during winding
CN217756075U (en) Slitting and winding mechanism capable of simultaneously winding multiple rolls of plastic
CN216444700U (en) Battery production divides strip machine with automation
CN214367546U (en) Self-lubricating tubular motor speed reducing mechanism
CN219017740U (en) Electrode slice winding device with position deviation correcting structure
CN213959015U (en) Lithium battery reversing pulling and pushing needle mechanism
CN219924697U (en) Strip separator for lithium battery processing
CN216140994U (en) Automatic material collecting device for plastic films
CN215990656U (en) Novel module structure of solar panel
CN215119000U (en) Lithium ion battery synchronous laminating diaphragm cutting device
CN218211846U (en) Automatic detection device for rectangular spring
CN218414722U (en) Winding device for manufacturing lithium battery
CN218118330U (en) Bidirectional thruster ball bearing for wind power generation main shaft
CN214456687U (en) Cover closing mechanism of cover lifting, conveying and arranging machine
CN212725376U (en) Rolling device for lithium battery production
CN116513850B (en) Lithium battery diaphragm cutting machine
CN220561660U (en) Rubber tapping device is used in production
CN108808119B (en) Be applied to square lithium battery coiler's plug and roll up needle device
CN213546389U (en) Winding mechanism for lithium battery winding machine
CN219507250U (en) Adhesive tape winding guide mechanism for adhesive tape production

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant