CN114665142A

CN114665142A - Battery module stacking and shaping device and method

Info

Publication number: CN114665142A
Application number: CN202210341655.XA
Authority: CN
Inventors: 汪正应
Original assignee: Hefei Guoxuan High Tech Power Energy Co Ltd
Current assignee: Hefei Gotion High Tech Power Energy Co Ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-06-24

Abstract

The invention discloses a battery module stacking and shaping device, which comprises a base, at least one stacking assembly and a transportation assembly, wherein the base is provided with a plurality of stacking assemblies; the stacking assembly comprises a stacking table and a shaping mechanism, the stacking table is fixedly connected with the base, the shaping mechanism is connected with the base in a sliding mode, a primary shaping station and a stacking station are respectively arranged at two ends of the stacking table, and the shaping mechanism which reciprocates between the primary shaping station and the stacking station is connected with the transportation assembly; the shaping mechanism comprises a first shaping part, a second shaping part and a lifting part, wherein the first shaping part, the second shaping part and the lifting part can move oppositely or oppositely, a battery clamping space is formed between the first shaping part and the second shaping part, and the stacking table is penetrated through by the battery clamping space. The invention has the beneficial effects that: each battery is shaped independently, and the shaping in three directions of the module can be realized after the module is stacked, so that the subsequent process yield of the module is improved remarkably.

Description

Battery module stacking and shaping device and method

Technical Field

The present disclosure relates to battery modules, and particularly to a battery module stacking and shaping apparatus and method.

Background

The lithium battery is used as a power source of the electric automobile. Especially, each critical dimension of the square module needs to meet the technical requirements. Therefore, the battery module is reshaped in the actual production process at present, and the reshaping effect directly influences the subsequent processing technology.

In the prior art, as the application number: 201821413005.7, a battery module shaping device sets up on the line body guide rail, its characterized in that includes: the battery module clamping device comprises a clamp tray, a side shaping mechanism, an upper pressing positioning mechanism, an elastic jacking mechanism and a blocking positioning mechanism, wherein the clamp tray is arranged on a line body guide rail in a sliding mode and used for bearing a battery module, the side shaping mechanism is arranged at two ends of the clamp tray and used for compressing and shaping the side face of the battery module, the upper pressing positioning mechanism is arranged on the upper portion of the clamp tray, the elastic jacking mechanism is arranged on the lower portion of the clamp tray and used for pushing the battery module to be compressed onto the upper pressing positioning mechanism, and the blocking positioning mechanism is arranged at one end of the clamp tray and used for positioning the clamp tray. This application is to the module that the rubberizing battery formed, because of connect the connection through gluing between the battery and the adhesive nature is strong, and the integer effect is very poor. The current shaping mode is as follows: after a plurality of non-rubberized batteries are stacked, the module is shaped from three directions, and the method is not suitable for the module formed by the rubberized batteries.

The molding mode of the rubberizing module is as follows: and a spacer is arranged between two adjacent batteries, and the two sides of the spacer are back-glued. After the two batteries are attached, relative sliding cannot be generated. When the rubberizing battery forms the module, if not to module length, side and top surface integer, it is very strong because of the stickness after piling up the completion, and it is very little to the module integer effect once more, leads to follow-up technology operation qualification rate greatly reduced.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: how to solve among the prior art to the poor problem of rubberizing battery module integer effect.

The invention solves the technical problems through the following technical means:

the battery module stacking and shaping device comprises a base, at least one stacking assembly and a transportation assembly; the stacking assembly comprises a stacking table and a shaping mechanism, the stacking table is used for bearing batteries and fixedly connected with the base, the shaping mechanism is connected with the base in a sliding mode, a primary shaping station and a stacking station are respectively arranged at two ends of the stacking table, and the shaping mechanism which reciprocates between the primary shaping station and the stacking station is connected with the transportation assembly;

the shaping mechanism comprises a first shaping part, a second shaping part and a lifting part, wherein the first shaping part and the second shaping part can move oppositely or oppositely, the lifting part is used for lifting the first shaping part and the second shaping part, a battery clamping space is formed between the first shaping part and the second shaping part, and the stacking table is penetrated through the battery clamping space.

In the working process, a first battery is supported by relative movement of a first shaping part, the side surface of the battery is shaped by relative movement of a second shaping part at a primary shaping station, the battery is loosened by the first shaping part, the battery and a shaping mechanism are transported to a stacking station on a stacking table through a transport assembly, the large surface of the battery is shaped by relative movement of the second shaping part and the stacking table, the top end and the bottom end of the battery are shaped by a lifting part and a second shaping part, the battery is loosened by the second shaping part and the lifting part, and the shaping mechanism is returned to the primary shaping station through the transport assembly; and (4) placing the second glued battery on a primary shaping station, and repeating the steps until all batteries are stacked. According to the invention, the batteries are primarily shaped at the primary shaping station, then the batteries are transported to the stacking station for stacking, and secondary shaping is carried out while stacking, each battery is individually shaped, and the shaping in three directions of the module can be realized after the module is stacked, so that the subsequent process yield of the module is remarkably improved.

Preferably, lift portion includes lift backup pad, lifter plate, lift cylinder, the base includes the transportation guide rail, the bottom of lift backup pad is including transporting the slider, transportation slider sliding connection the transportation guide rail, the lift cylinder is connected the lift backup pad, the flexible end of lift cylinder is connected the lifter plate, first plastic portion and second plastic portion all connect the lifter plate.

The lifting part can be combined with the second shaping part to shape the height direction of the battery.

Preferably, the number of the first shaping parts is two, the two first shaping parts are symmetrically installed along a vertical surface of the stacking table, each first shaping part comprises a first support, a battery bracket for supporting the bottom of a battery, a battery flange for supporting the large surface of the battery, and a first sliding assembly, the first support is connected with the top of the lifting assembly in a sliding mode through the first sliding assembly, the battery bracket is connected with the first support, and the battery flange is connected with the first support.

Preferably, the first sliding assembly comprises a first cylinder, a first guide rail and a first sliding block, the first guide rail is connected with the top of the lifting assembly, the bottom of the first support is connected with the first sliding block, the first sliding block is connected with the first guide rail in a sliding manner, and the first sliding block is connected with the telescopic end of the first cylinder.

Preferably, the battery bracket is a right-angle structure surrounded by three faces, and the battery flange is a Z-shaped structure.

The structure of battery bracket can the adaptation square battery's external profile, rather than laminating more, the surface accuracy when improving the plastic.

Preferably, the number of the second shaping portions is two, the two second shaping portions are symmetrically installed along a vertical surface of the stacking table, each second shaping portion comprises a vertical plate, a second support, a top pressing block used for pressing the top of a battery, a large surface pressing block used for pressing the large surface of the battery, a side pressing block used for pressing the side surface of the battery, a second sliding assembly and a third sliding assembly, the bottom of the vertical plate is slidably connected with the top of the lifting assembly through the second sliding assembly, the second support is slidably connected with the vertical plate through the third sliding assembly, the top pressing block is connected with the top of the second support, the large surface pressing block is connected with the side surface of the second support, and the side pressing block is connected with the second support.

The two first shaping parts are symmetrically arranged and the two second shaping parts are symmetrically arranged, so that the battery is adaptive to the symmetry, and the shaping is uniform in force application.

Preferably, the second sliding assembly comprises a second cylinder, a second guide rail and a second sliding block, the second cylinder is connected with the top of the lifting assembly, the second guide rail is connected with the top of the lifting assembly, the bottom of the vertical plate is connected with the second sliding block, the second sliding block is connected with the second guide rail in a sliding manner, and the second sliding block is connected with the telescopic end of the second cylinder.

Preferably, the third sliding assembly comprises a third guide rail, a third slider, a connecting rod and a spring, the third guide rail is connected with the vertical plate, the third slider is connected with the second support, the third slider is connected with the third guide rail, one side of the vertical plate is provided with a bend, two ends of the connecting rod are respectively connected with the side surface of the second support, and the spring is sleeved with the connecting rod.

The second support and the vertical plate where the top pressing block, the large-face pressing block and the side pressing block are located can slide in the thickness direction of the battery through the third sliding assembly, when the battery is stacked at the stacking station, the force in the thickness direction can be buffered by the spring during large-face shaping, and the surface of the battery is prevented from being damaged due to overlarge pressure.

Preferably, the stacking table comprises a stacking support, a stacking plate, a battery tank, a battery placing plate and a stacking baffle, the stacking support is fixedly connected with two ends of the base, the stacking plate is connected with the stacking plate at two ends, the battery tank is connected with the stacking plate, the battery placing plate is connected with the stacking plate and located on a primary shaping station, and the stacking baffle is connected with one end, far away from the battery placing plate, of the stacking plate.

The two sides of the battery jar are provided with wedge-shaped bulges for limiting the position of the battery and ensuring that the battery is always positioned on the stacking table.

The invention also provides a method for stacking and shaping the battery module, wherein a first battery is supported by the relative movement of the first shaping part, the side surface of the battery is clamped by the relative movement of the second shaping part during the primary shaping station, the side surface shaping is carried out, then the battery is loosened by the first shaping part and returns to the initial position, the battery and the shaping mechanism are transported to the stacking station on the stacking table through the transportation assembly, the large surface of the battery is shaped by the relative movement of the second shaping part and the stacking table, the top end and the bottom end of the battery are shaped through the lifting part and the second shaping part, the battery is loosened by the second shaping part and the lifting part, and the shaping mechanism returns to the primary shaping station through the transportation assembly; and (5) placing the second rubberized battery on a primary shaping station, and repeating the steps until all batteries are stacked.

The invention has the advantages that:

(1) in the working process, a first glued battery is placed on a primary shaping station, the battery is supported by a first shaping part, the side face of the battery is clamped and shaped by the relative movement of a second shaping part, then the battery is loosened by the first shaping part, the battery and a shaping mechanism are transported to a stacking station on a stacking table through a transport assembly, the large face of the battery is shaped by the second shaping part, the top end and the bottom end of the battery are shaped by a lifting part and a second shaping part, the battery is loosened by the second shaping part and the lifting part, and the shaping mechanism is returned to the primary shaping station through the transport assembly; and (4) placing the second glued battery on a primary shaping station, and repeating the steps until all batteries are stacked. According to the invention, the batteries are primarily shaped at the primary shaping station, then the batteries are transported to the stacking station for stacking, secondary shaping is carried out while stacking, each battery is individually shaped, and the shaping in three directions of the module can be realized after the module is stacked, so that the subsequent process yield of the module is remarkably improved; the battery posture is adjusted before battery laminating, and the consistency of three direction sizes after battery laminating is guaranteed.

(2) The first shaping part supports the battery, and the second shaping part can shape the width direction of the battery; the two first shaping parts are symmetrically arranged and are matched with the symmetry of the battery, so that the shaping force is uniform;

(3) shaping the thickness direction of the battery through the relative operation of the second shaping part and the stacking table; the lifting part can be combined with the second shaping part to shape the height direction of the battery; the two second shaping parts are symmetrically arranged and are matched with the symmetry of the battery, so that the shaping force is uniform;

(4) the third sliding assembly realizes that the second support where the top pressing block, the large-surface pressing block and the side pressing block are located and the vertical plate can slide along the thickness direction of the battery, and when the battery is stacked at the stacking station, the spring can buffer the force in the thickness direction during large-surface shaping, so that the surface of the battery is prevented from being damaged due to overlarge pressure;

(5) the two sides of the battery jar are provided with wedge-shaped bulges for limiting the position of the battery and ensuring that the battery is always positioned on the stacking table.

Drawings

Fig. 1 is a schematic structural view of a battery module stacking and shaping device according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a battery module stacking and shaping device according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a stack assembly according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a first shaping portion, a second shaping portion and a lifting portion according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a first shaping portion, a second shaping portion and a lifting portion according to an embodiment of the present invention;

FIG. 6a is a schematic structural diagram of a first shaping portion in the embodiment of the present invention;

FIG. 6b is a schematic view of a connection structure of the first shaping portion and the battery according to the embodiment of the present invention;

FIG. 7a is a schematic structural diagram of a second shaping portion in the embodiment of the present invention;

FIG. 7b is a schematic diagram of a second shaping portion according to an embodiment of the present invention;

FIG. 7c is a schematic view of a connection structure of the second shaping portion and the battery according to the embodiment of the present invention;

FIG. 8a is a schematic diagram of a stacking station in an embodiment of the invention;

FIG. 8b is an enlarged view at A in FIG. 8 a;

FIG. 9a is a schematic structural diagram of a stacking assembly according to an embodiment of the invention;

FIG. 9B is an enlarged view at B of FIG. 9 a;

FIG. 10 is a schematic structural view of a stack plate and a battery container according to an embodiment of the present invention;

reference numbers in the figures:

1. a base; 11. a transport rail;

2. a stacking assembly; 21. a stacking table; 211. stacking the supports; 212. stacking the plates; 213. a battery case; 214. a battery placing plate; 215. stacking the baffles; 216. a stacking cylinder; 217. a side clamping mechanism; 22. a first shaping unit; 221. a first bracket; 222. a battery holder; 223. battery flanges; 224. a first cylinder; 225. a first guide rail; 226. a first slider; 23. a second shaping unit; 231. a vertical plate; 232. a second bracket; 233. a top compression block; 234. a large-surface compaction block; 235. a side compact block; 236. a second sliding assembly; 2361. a second cylinder; 2362. a second guide rail; 2363. a second slider; 237. a third sliding assembly; 2371. a third guide rail; 2372. a third slider; 2373. a connecting rod; 2374. a spring;

3. a transport assembly; 4. a battery;

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

as shown in fig. 1 and 2, the battery module stacking and shaping device includes a base 1, four stacking assemblies 2, and a transporting assembly 3; the base 1 is of a triangular frame structure, the right side face of the base 1 is a working face, the four stacking assemblies 2 and the four transportation assemblies 3 are both arranged on the working face, the working face and the ground are 30-75 degrees, in the embodiment, the working face and the ground are 60 degrees, and the inclined working face can keep the shaping effect of the battery module by utilizing the self weight in the battery stacking process.

Wherein, the top position is the primary plastic station, and the bottom is the station of piling up. As the cells 4 are stacked one by one, the stacking station is also raised.

The present embodiment is exemplified by four stacking assemblies 2, but not limited thereto, and the number of the stacking assemblies 2 can be increased or decreased according to the requirement.

Referring to fig. 1 and 3, the stacking assembly 2 includes a stacking table 21 and a shaping mechanism, the stacking table 21 is fixedly connected to the base 1, two ends of the stacking table 21 are respectively a primary shaping station and a stacking station, in fig. 3, the left end of the stacking table 21 is the primary shaping station, and the right end is the stacking station; the shaping mechanism comprises a first shaping part 22, a second shaping part 23 and a lifting part 24, a battery 4 clamping space is formed between the first shaping part 22 and the second shaping part 23 and above the stacking table 21, the first shaping part 22 and the second shaping part 23 are located on two sides of the stacking table 21, and the stacking table 21 is penetrated by the battery clamping space.

As shown in fig. 4 and 5, there are two first shaping portions 22, and the two first shaping portions 22 are symmetrically installed along a vertical plane of the stacking table 21; the symmetrical mounting of the two first shaping portions 22 may be adapted to the symmetry of the battery 4 so that the shaping is done with a uniform force.

The present embodiment will be described by taking one of the first shaping portions 22 as an example. As shown in fig. 6a and 6b, fig. 6a shows a configuration when the first shaping unit 22 is not connected to the battery 4, and fig. 6b shows a configuration when the first shaping unit 22 is connected to the battery 4; the first shaping part 22 comprises a first bracket 221, a battery bracket 222, a battery rib 223, a first cylinder 224, a first guide rail 225 and a first slide block 226; the first guide rail 225 is connected to the top of the lifting assembly 24, the bottom of the first bracket 221 is connected to the first sliding block 226, the first sliding block 226 is slidably connected to the first guide rail 225, and the first sliding block 226 is connected to the telescopic end of the first cylinder 224. The first cylinders 224 of the two first shaping parts 22 are actuated simultaneously, so that the first supports 221 of the two first shaping parts 22 can move towards and away from each other, and can clamp the battery 4 when moving towards each other and can put down the battery 4 when moving away from each other.

Battery bracket 222 is the right angle type structure that trilateral encloses, can adapt square battery 4's external profile for battery bracket 222 laminates more with battery 4, the surface accuracy when improving the plastic. The battery rib 223 is of a Z-shaped structure, one end of the battery rib is fixed at the top of the first bracket 221, and the other end of the battery rib can abut against the large surface of the battery 4; the battery bracket 222 and the battery rib 223 stabilize the large surface of the battery 4, and facilitate the shaping work of the second shaping part 23.

As shown in fig. 4 and 5, there are two second shaping portions 23, and the two second shaping portions 23 are symmetrically installed along a vertical plane of the stacking table 21; the two second shaping parts 23 are symmetrically mounted in order to adapt the symmetry of the battery 4 such that the shaping is done with even force.

The present embodiment will be described by taking one of the second shaping portions 23 as an example. As shown in fig. 7a, 7b, and 7c, the second shaping portion 23 includes an upright plate 231, a second bracket 232, a top pressing block 233, a large-area pressing block 234, a side pressing block 235, a second sliding assembly 236, and a third sliding assembly 237; the bottom of the vertical plate 231 is slidably connected to the top of the lifting assembly 24 through a second sliding assembly 236, the second bracket 232 is slidably connected to the vertical plate 231 through a third sliding assembly 237, the top pressing block 233 is connected to the top of the second bracket 232, the large-surface pressing block 234 is connected to the side surface of the second bracket 232, and the side pressing block 235 is connected to the second bracket 232.

The bottom surface of top compact heap 233 is the pressing surface, and top compact heap 233 can be directly with second support 232 direct or indirect fixed connection, and the pressing surface of big face compact heap 234 is vertical face, with second support 232 direct or indirect fixed connection make the pressing surface can laminate with battery 4's big face can, side compact heap 235 is vertical face, with second support 232 direct or indirect fixed connection make the pressing surface can laminate with battery 4's side can. Wherein, the side compact heap 235 is L type structure, and its long limit presss from both sides tightly the side of battery 4, and the short side can press from both sides tightly the big face of battery 4 simultaneously.

Second sliding assembly 236 includes second cylinder 2361, second guide rail 2362, second slider 2363, second cylinder 2361 connects the top of lifting unit 24, second guide rail 2362 connects the top of lifting unit 24, the bottom fixed connection of riser 231 second slider 2363, second slider 2363 with second guide rail 2362 sliding connection, second slider 2363 with the flexible end of second cylinder 2361 is connected. The vertical plate 231 is a trapezoidal plate, and the bottom of the trapezoidal plate is directly or indirectly fixedly connected with the second sliding block 2363.

Third sliding assembly 237 includes third guide rail 2371, third slider 2372, connecting rod 2373, spring 2374, third guide rail 2371 is connected riser 231, third slider 2372 is connected second support 232, third slider 2372 is connected third guide rail 2371, one side of riser 231 has bend or connecting block, bend and connecting block and riser 231 are the right angle, the both ends of connecting rod 2373 connect respectively bend with the side of second support 232, spring 2374 cup joints connecting rod 2373.

The direct connection means that the two are directly fixed together by means of bolts, screws, welding and the like, and the indirect connection means that the two are fixed together by means of connecting blocks, connecting supports and other intermediate parts.

The third sliding assembly 237 realizes that the second bracket 232, the top pressing block 233, the large-surface pressing block 234, the side pressing block 235 and the vertical plate 231 on the second bracket can slide along the thickness direction of the battery 4, and when the battery 4 is stacked at the stacking station, the spring 2374 can buffer the force applied in the thickness direction during large-surface shaping, so as to avoid the surface of the battery 4 being damaged by excessive pressure; the initial state can be restored by the elastic force of the spring 2374 when the battery is not reshaped, that is, after the large-area pressing block 234 is separated from the battery 4.

As shown in fig. 4 and 5, the lifting unit 24 includes a lifting support plate 241, a lifting plate 242, a lifting cylinder 243, a transport slider 244, a guide post 245, a guide slider 246, and a transport connection frame 247;

the conveying guide rail 11 is fixedly installed on the working surface of the base 1, the lifting support plate 241 is a rectangular plate, the bottoms of the two ends of the lifting support plate 241 are connected with the conveying sliding blocks 244, the conveying sliding blocks 244 can be directly connected with the lifting support plate 241, or can be connected with the lifting support plate 241 at intervals through other transition blocks; the transportation sliding block 244 is slidably connected with the transportation guide rail 11, and the cross sections of the transportation sliding block 244 and the transportation guide rail 11 are not particularly limited and can be adapted to realize sliding connection; the lifting cylinder 243 is fixedly connected with the bottom of the lifting support plate 241 through screws, the telescopic end of the lifting cylinder 243 extends out of the lifting support plate 241 and is connected with the lifting plate 242, the two ends of the lifting support plate 241 are positioned at the two sides of the lifting cylinder 243, the two guide posts 245 are slidably connected in the guide sliders 246, the top ends of the guide posts 245 are connected with the lifting plate 242, the guide posts 245 can enable lifting to be more stable, the transportation connecting frame 247 is of a Z-shaped structure, one end of the transportation connecting frame is connected with the end of the lifting support plate 241, the other end of the transportation connecting frame is connected with the transportation assembly 3, and the transportation connecting frame 247 is used for enabling the whole shaping mechanism to move back and forth along the transportation guide rail 11 under the driving of the transportation assembly 3.

In this embodiment, since the two adjacent lifting units 24 are connected, the lifting support plates 241 of the two adjacent lifting units 24 are connected, and in actual use, one whole plate can be used as it is.

The first shaping portion 22 and the second shaping portion 23 are connected to the lifting plate. Specifically, the first cylinder 224, the second cylinder 2361, the first guide rail 225, and the second guide rail 2362 are all fixed to the top surface of the lifting plate 242.

This embodiment still discloses the process that adopts above-mentioned battery module to pile up integer device and carry out the plastic and pile up:

the first cell stacking process: the first cylinder 224 acts to enable the first support 221 to move relatively, the battery bracket 222 and the battery rib 223 are driven to move relatively to be close to the length dimension of the battery 4, the manipulator places the first battery 4 on the battery bracket 222, and the battery rib 223 supports the large surface of the battery 4; the second cylinder 2361 acts to drive the second bracket 232 and the side pressing block 235 to clamp the battery 4, so that the side of the battery 4 is shaped and kept clamped; the rear first cylinder 224 is retracted, the first bracket 221 and the battery rib 223 are withdrawn and no longer contact the battery 4; the battery 4 and the shaping mechanism are transported to a stacking station on the stacking table 21 through the transporting assembly 3, the stacking station of the stacking table 21 is provided with a baffle plate for limiting the battery 4 to move continuously, the large surface of the battery 4 is shaped through the large surface pressing block 234 of the second shaping part 23 and the stacking table 21, at the moment, the transporting assembly 3 is not too fast, the battery 4 is prevented from being damaged by pressing, the large surface is pressed with the stacking table 21 by the transporting force of the transporting assembly 3, or the transporting assembly 3 moves to the stacking station, and the tail end of the stacking table 21 moves towards the running direction of the battery 4 to clamp the battery 4; after the large surface clamping is finished, the large surface pressing block 234 is properly loosened, the whole second shaping part 23 descends by the contraction of the lifting cylinder 243, the size between the top pressing block 233 and the stacking table 21 is reduced, and the top end and the bottom end of the battery 4 are shaped; after the height direction is finished, the lifting cylinder 243 is lifted to loosen the battery 4, and the shaping mechanism is returned to the primary shaping station through the transportation assembly 3;

a second cell 4 is placed in the primary reforming station and the above steps are repeated until the stacking of all cells 4 is completed.

When a second battery 4 is stacked at the stacking station, the large-side and large-side pressing blocks 234 of the first battery 4 press the second battery 4.

This embodiment is through carrying out preliminary plastic to battery 4 at first plastic station, and later with battery 4 fortune to piling up the station, piles up, carries out the plastic once more when piling up, and each battery 4 has all carried out the plastic alone, and the module piles up the completion and can realize the shaping of module three direction, is showing the follow-up technology qualification rate of promotion module.

Example two:

as shown in fig. 8 and 9, in the present embodiment, the stacking table 21 is explained in detail based on the first embodiment; the stacking table 21 provides a stacking passage for the battery 4, and shapes and stacks the battery 4 together with the second shaping section 23 and the elevating section 24.

The stacking table 21 includes a stacking holder 211, a stacking plate 212, a battery tray 213, a battery placing plate 214, a stacking baffle 215, a stacking cylinder 216, a side clamping mechanism 217;

the stacking support 211 is of an L-shaped structure, the stacking support 211 is fixedly connected to two ends (top end and bottom end in fig. 1) of the base 1, the stacking plate 212 is connected to the stacking support 211 at the two ends, the first shaping part 22 and the second shaping part 23 are located at two sides of the stacking plate 212, and the stacking plate 212 is located above the lifting plate 242; as shown in fig. 10, the battery slots 213 are connected to the stacking plate 212, wherein the battery slots 213 are formed by symmetrically and fixedly mounting battery slot blocks on two sides of the stacking plate 212, and the sides of the battery slot blocks have wedge-shaped protrusions for limiting the positions of the batteries 4 and ensuring that the batteries 4 are always located on the stacking table 21; the battery placing plate 214 is connected to the stacking plate 212 and located at the primary shaping station for placing the battery, and the stacking baffle 215 is connected to one end of the stacking plate 212 far from the battery placing plate 214.

In this embodiment, the bottom end of the stacking table 21 is also provided with an auxiliary clamping device, which includes a stacking cylinder 216 and a side clamping mechanism 217, the stacking cylinder 216 extends out to push the side clamping mechanism 217 and abut against the stacking station, the bottom of the side clamping mechanism 217 can be slidably connected to the stacking plate 212, clamping plates are arranged on two sides of the side clamping mechanism 217, the clamping plates on the two sides can move oppositely or oppositely through the moving mechanisms of the cylinder and the guide rail slider, so that two sides of the battery 4 on the stacking station can be clamped or positioned, and the auxiliary clamping device is used for assisting the regularity of the plurality of batteries 4 when the batteries 4 are stacked.

In the above embodiment, the number of the transportation assemblies 3 may be one or more, and transportation may be achieved, one transportation assembly 3 may drive a plurality of shaping mechanisms at the same time, or one transportation assembly 3 may drive only one shaping mechanism.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention 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 solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The battery module stacking and shaping device is characterized by comprising a base, at least one stacking assembly and a transportation assembly; the stacking assembly comprises a stacking table and a shaping mechanism, the stacking table is used for bearing batteries and fixedly connected with the base, the shaping mechanism is connected with the base in a sliding mode, a primary shaping station and a stacking station are respectively arranged at two ends of the stacking table, and the shaping mechanism which reciprocates between the primary shaping station and the stacking station is connected with the transportation assembly;

2. The battery module stacking and shaping device of claim 1, wherein the lifting part comprises a lifting support plate, a lifting plate and a lifting cylinder, the base comprises a transportation guide rail, the bottom of the lifting support plate comprises a transportation slider, the transportation slider is slidably connected with the transportation guide rail, the lifting cylinder is connected with the lifting support plate, the telescopic end of the lifting cylinder is connected with the lifting plate, and the first shaping part and the second shaping part are both connected with the lifting plate.

3. The battery module stacking and shaping device of claim 1, wherein the number of the first shaping parts is two, the two first shaping parts are symmetrically arranged along a vertical plane of the stacking table, the first shaping part comprises a first bracket, a battery bracket for supporting the bottom of a battery, a battery rib for supporting the large surface of the battery, and a first sliding assembly, the first bracket is slidably connected with the top of the lifting assembly through the first sliding assembly, the battery bracket is connected with the first bracket, and the battery rib is connected with the first bracket.

4. The battery module stacking and reforming device according to claim 3, wherein the first sliding assembly comprises a first cylinder, a first guide rail and a first sliding block, the first guide rail is connected with the top of the lifting assembly, the bottom of the first bracket is connected with the first sliding block, the first sliding block is slidably connected with the first guide rail, and the first sliding block is connected with the telescopic end of the first cylinder.

5. The battery module stacking and shaping device of claim 3, wherein the battery bracket has a three-sided right-angle structure, and the battery rib has a Z-shaped structure.

6. The battery module stacking and shaping device according to claim 1, wherein the number of the second shaping portions is two, the two second shaping portions are symmetrically installed along a vertical surface of the stacking table, each second shaping portion comprises a vertical plate, a second support, a top pressing block for pressing the top of a battery, a large-surface pressing block for pressing the large surface of the battery, a side pressing block for pressing the side surface of the battery, a second sliding assembly and a third sliding assembly, the bottom of the vertical plate is slidably connected with the top of the lifting assembly through the second sliding assembly, the second support is slidably connected with the vertical plate through the third sliding assembly, the top pressing block is connected with the top of the second support, the large-surface pressing block is connected with the side surface of the second support, and the side pressing block is connected with the second support.

7. The battery module stacking and reforming device according to claim 6, wherein the second sliding assembly comprises a second cylinder, a second guide rail and a second sliding block, the second cylinder is connected with the top of the lifting assembly, the second guide rail is connected with the top of the lifting assembly, the bottom of the vertical plate is connected with the second sliding block, the second sliding block is connected with the second guide rail in a sliding manner, and the second sliding block is connected with the telescopic end of the second cylinder.

8. The battery module stacking and shaping device according to claim 6, wherein the third sliding assembly comprises a third guide rail, a third sliding block, a connecting rod and a spring, the third guide rail is connected with the vertical plate, the third sliding block is connected with the second bracket, the third sliding block is connected with the third guide rail, one side of the vertical plate is provided with a bend, two ends of the connecting rod are respectively connected with the side of the bend and the second bracket, and the spring is sleeved with the connecting rod.

9. The battery module stacking and shaping device according to claim 1, wherein the stacking table comprises a stacking support, a stacking plate, a battery groove, a battery placing plate and a stacking baffle, the stacking support is fixedly connected with two ends of the base, the stacking plate is connected with the stacking plate at two ends, the battery groove is connected with the stacking plate, the battery placing plate is connected with the stacking plate and is located at a primary shaping station, and the stacking baffle is connected with one end of the stacking plate far away from the battery placing plate.

10. The method for stacking and shaping the battery module according to any one of claims 1 to 9, wherein the first shaping unit relatively moves to hold the first battery, the second shaping unit relatively moves to clamp the side of the battery to shape the side at the primary shaping station, the first shaping unit releases the battery, the battery returns to the initial position, the battery is transported to the stacking station on the stacking table together with the shaping mechanism through the transport assembly, the large surface of the battery is shaped through the relative operation of the second shaping unit and the stacking table, the top end and the bottom end of the battery are shaped through the lifting unit and the second shaping unit, the second shaping unit releases the battery from the lifting unit, and the shaping mechanism returns to the primary shaping station through the transport assembly; and (4) placing the second glued battery on a primary shaping station, and repeating the steps until all batteries are stacked.