CN214898533U

CN214898533U - Battery cell stacking device and battery production equipment

Info

Publication number: CN214898533U
Application number: CN202120089483.2U
Authority: CN
Inventors: 陈伟
Original assignee: Evergrande New Energy Technology Shenzhen Co Ltd
Current assignee: Evergrande New Energy Technology Shenzhen Co Ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-11-26
Anticipated expiration: 2031-01-13

Abstract

The application belongs to the technical field of battery production, and particularly relates to a battery cell stacking device and battery production equipment, wherein the battery cell stacking device comprises a rack, a jig, a conveying mechanism, a blocking mechanism, a positioning mechanism and a stacking mechanism, wherein the conveying mechanism, the blocking mechanism, the positioning mechanism and the stacking mechanism are arranged on the rack; the conveying mechanism is used for conveying the jig; the conveying mechanism is provided with a working area; the blocking mechanism is used for blocking the jig from being conveyed forwards continuously so that the jig stays in the working area; the positioning mechanism is used for positioning the battery cell module on the jig in the working area; the stacking mechanism is used for stacking the battery cell module. This electric core unit module is before piling up, after twice location, and the position accuracy of electric core unit module is good, and the accuracy that follow-up stacking mechanism piled up electric core module unit is good, and the overall dimension's of the battery package that forms after piling up accuracy height like this, the uniformity is good.

Description

Battery cell stacking device and battery production equipment

Technical Field

This application belongs to battery production technical field, especially relates to a device and battery production facility are piled up to electric core.

Background

As the application of batteries becomes more and more widespread, the demand for battery endurance is higher, and in order to obtain larger endurance, a plurality of cell unit modules are generally stacked together to form a large-capacity battery pack.

However, the existing battery cell unit module stacking adopts manual grabbing of the battery cell unit modules to be fed, firstly, the battery cell unit modules are placed in a stacking jig, and then manual stacking is carried out according to a certain grouping mode; however, in the actual operation process, because the electric quantity exists in the battery cell unit modules, the potential safety hazard of people who get an electric shock exists in the process of manually grabbing the battery cell unit modules for stacking; in addition, the manual assembly operation, the overall dimension of the battery pack formed after the cell unit modules are stacked is irregular, the consistency is poor, and the yield of the battery is poor.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a device and battery production facility are piled up to electric core, aims at solving the battery among the prior art and piles up the technical problem that the overall dimension uniformity of in-process existence electric shock risk and pile up back battery package is poor.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: a battery cell stacking device comprises a rack, a jig, a conveying mechanism, a blocking mechanism, a positioning mechanism and a stacking mechanism, wherein the conveying mechanism, the blocking mechanism, the positioning mechanism and the stacking mechanism are arranged on the rack; the conveying mechanism is used for conveying the jig; the conveying mechanism is provided with a working area; the blocking mechanism is used for blocking the jig from being conveyed forwards continuously so that the jig stays in the working area; the positioning mechanism is used for positioning the battery cell module on the jig in the working area; the stacking mechanism is used for stacking the battery cell module.

Optionally, the jig has at least two placing areas for placing the cell unit modules, the number of the positioning mechanisms is multiple, each positioning mechanism is in one-to-one correspondence with each placing area, and the stacking mechanism stacks the cell unit modules on the jig in the same placing area.

Optionally, the jig is provided with a placing area where the cell unit modules are placed;

the positioning mechanism comprises a first pushing assembly and a second pushing assembly, the first pushing assembly and the first pushing assembly are both mounted on the rack and are respectively located on two opposite sides of the placing area, and a pushing end of the first pushing assembly are both arranged towards the placing area and are used for clamping or loosening the battery cell unit module;

the jig is provided with a first limiting plate and a second limiting plate, the first limiting plate and the second limiting plate are respectively located on the other two opposite sides of the placement area and can limit the movement of the cell unit module.

Optionally, the first pushing assembly comprises a first mounting frame, a first air cylinder and a first pushing block, the first mounting frame is mounted on the rack, the first air cylinder is mounted on the first mounting frame, and a driving end of the first air cylinder is connected with the first pushing block and is used for driving the first pushing block to extend into or withdraw from the placing area;

the second pushing assembly comprises a second mounting frame, a second air cylinder and a second pushing block, the second mounting frame is mounted on the rack, the second air cylinder is mounted on the second mounting frame, and a driving end of the second air cylinder is connected with the second pushing block and used for driving the second pushing block to stretch into or withdraw from the placing area.

Optionally, the blocking mechanism includes a first blocking assembly, the first blocking assembly includes a third cylinder and a first blocking block, the third cylinder is mounted on the rack, and a driving end of the third cylinder is connected to the first blocking block and is used for driving the first blocking block to lift, so as to block the jig from moving forward.

Optionally, the blocking mechanism further comprises a second blocking assembly and a lifting assembly for driving the jig located in the working area to lift;

the blocking mechanism comprises a fourth air cylinder and a second blocking block, the fourth air cylinder is arranged on the rack, and the fourth air cylinder and the third air cylinder are arranged at intervals along the conveying direction of the conveying mechanism and are positioned on two opposite sides of the working area; and the driving end of the fourth cylinder is connected with the second blocking block and is used for driving the second blocking block to lift, and when the lifting assembly lifts the jig, the first blocking block and the second blocking block clamp and fix the jig.

Optionally, the lifting assembly comprises a mounting plate, a fifth cylinder and a lifting plate, the mounting plate is mounted on the rack, the fifth cylinder is mounted on the mounting plate, the lifting plate is located below the placement area, the driving end of the fifth cylinder is connected with the lifting plate and used for driving the lifting plate to lift, so that the lifting plate drives the jig located in the placement area to lift.

Optionally, the stacking mechanism comprises a moving driving assembly, a lifting driving assembly and a clamping assembly for clamping the battery cell, the moving driving assembly is mounted on the rack, and a driving end of the moving driving assembly is connected with the lifting driving assembly and is used for driving the lifting driving assembly to move to the working area; the driving end of the lifting driving component is connected with the clamping component and is used for driving the clamping component to lift; the clamping assembly comprises a finger cylinder and two clamping plates, the finger cylinder is connected with the driving ends of the lifting driving assembly, and the two driving ends of the finger cylinder are respectively connected with the two clamping plates and used for driving the two clamping plates to be relatively close to or far away from each other so as to clamp or loosen the battery cell.

Optionally, the stacking mechanism further includes a pressing assembly, which is connected to the driving end of the lifting driving assembly and used for abutting against the stacked battery cell modules;

the pressing assembly comprises a sixth air cylinder and a butting column, the sixth air cylinder is connected with the driving end of the lifting driving assembly, the driving end of the sixth air cylinder is arranged downwards, and the driving end of the sixth air cylinder is connected with the butting column.

The application also provides battery production equipment which comprises the battery cell stacking device.

Compared with the prior art, the battery tab cutting device and the battery production equipment provided by the application have the beneficial effects that: when the battery pack stacking mechanism works, the battery cell module is placed on the jig, the jig is placed on the conveying mechanism for conveying and transporting, when the jig is conveyed to a working area, the jig is blocked by the blocking mechanism, so that the jig is stopped in the working area, then, after the battery cell module assembly on the jig is positioned by the positioning mechanism, the stacking mechanism stacks all the battery cell modules to form a battery pack, so that mechanical operation of the battery cell module is realized, manual operation is not needed, electric shock accidents are avoided, and the production efficiency of the battery is also improved; in addition, in this in-process, this electricity core unit module is before piling up, at first the tool is blockked the location back by blocking mechanism, positioning mechanism fixes a position the unit module of electric core on the tool once more, after twice location, the position accuracy of electricity core unit module is good, the accuracy that follow-up stacking mechanism piled up unit of electric core module is good, the overall dimension's of the battery package that forms after piling up like this accuracy is high, the uniformity is good, the disability rate of battery package has been reduced, the yield of battery package is improved, the manufacturing cost of battery has been reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is an axial schematic view of a cell stacking apparatus provided in an embodiment of the present application.

Fig. 2 is a schematic axial view of the jig shown in fig. 1.

FIG. 3 is an isometric schematic view of the positioning mechanism shown in FIG. 1.

FIG. 4 is an isometric view of the blocking mechanism shown in FIG. 1.

FIG. 5 is an isometric view of the motion drive assembly shown in FIG. 1.

FIG. 6 is an isometric view of the lift drive assembly, clamp assembly, and hold down assembly shown in FIG. 1.

Wherein, in the figures, the respective reference numerals:

10. a frame; 11. a working area; 20. a jig; 21. a placement area; 22. a first limit plate; 23. a second limiting plate; 231. a second groove; 232. a fourth groove; 24. a third groove; 25. a guide mechanism; 30. a conveying mechanism; 40. a blocking mechanism; 41. a first blocking component; 42. a second barrier assembly; 411. a third cylinder; 412. a first stopper; 413. a first connection block; 42. a second barrier assembly; 421. a fourth cylinder; 422. a second stopper; 423. a second connecting block; 43. a lifting assembly; 431. mounting a plate; 432. a fifth cylinder; 433. a lifting plate; 434. a third linear sliding pair; 50. a positioning mechanism; 51. a first pushing assembly; 511. a first mounting bracket; 512. a first cylinder; 513. a first pushing block; 514. a first linear sliding pair; 52. a second pushing assembly; 521. a second mounting bracket; 522. a second cylinder; 523. a second pushing block; 524. a second linear sliding pair; 60. a stacking mechanism; 61. a movement drive assembly; 62. a lift drive assembly; 63. a clamping assembly; 631. a finger cylinder; 632. a clamping plate; 64. a compression assembly; 641. a sixth cylinder; 642. a butting post; 65. a fourth linear sliding pair; 66. a movable frame; 67. and a connecting frame.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-6 are exemplary and intended to be used to illustrate the present application and should not be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, is not to be considered as limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

As shown in fig. 1 to 6, in an embodiment of the present application, a battery cell stacking apparatus is provided, which includes a rack 10, a jig 20, and a conveying mechanism 30, a blocking mechanism 40, a positioning mechanism 50, and a stacking mechanism 60 mounted on the rack 10, where the jig 20 is used to carry a battery cell module; the conveying mechanism 30 is used for conveying the jig 20; the conveying mechanism 30 has a working area 11; the blocking mechanism 40 is used for blocking the jig 20 from continuing to convey forwards, so that the jig 20 stays in the working area 11; the positioning mechanism 50 is used for positioning the battery cell module on the treatment tool 20 in the working area 11; the stacking mechanism 60 is used for stacking the cell unit modules.

Specifically, in the battery cell stacking device of the embodiment of the application, during operation, the battery cell module is placed on the jig 20, the jig 20 is placed on the conveying mechanism 30 for conveying and transporting, when the jig 20 is conveyed to the working area 11, the blocking mechanism 40 blocks the jig 20, so that the jig 20 stays in the working area 11, then, after the positioning mechanism 50 positions the battery cell module assembly on the jig 20, the stacking mechanism 60 stacks each battery cell module to form a battery pack, so that the mechanical operation of the battery cell module is realized, manual operation is not needed, electric shock accidents are avoided, and the production efficiency of the battery is also improved; in addition, in this process, this electricity core unit module is before piling up, at first tool 20 is blockked the location back by blocking mechanism 40, positioning mechanism 50 fixes a position the electricity core unit module on tool 20 once more, after twice location, the position accuracy of electricity core unit module is good, the accuracy that follow-up stacking mechanism 60 piled up electricity core module unit is good, the overall dimension's of the battery package that forms after piling up like this accuracy is high, the uniformity is good, the disability rate of battery package has been reduced, the yield of battery package is improved, the manufacturing cost of battery has been reduced.

Alternatively, referring to fig. 1, the conveying mechanism 30 may be a double-speed chain mechanism, a roller conveyor mechanism, a conveyor belt mechanism, or other mechanisms capable of conveying the jig 20 forward; preferably, the conveying mechanism 30 is a speed-multiplying chain, wherein a guiding mechanism 25 adapted to the speed-multiplying chain is further disposed at a side of the jig 20, so that the conveying of the jig 20 is more stable and reliable.

In another embodiment of the present application, referring to fig. 1 and fig. 2, a fixture 20 of the battery cell stacking apparatus is provided with at least two placing areas 21 for placing the battery cell modules, the number of the positioning mechanisms 50 is also multiple, each positioning mechanism 50 is arranged in one-to-one correspondence with each placing area 21, and the stacking mechanism 60 stacks the battery cell modules on the fixture 20 in the same placing area 21. At the during operation, place a plurality of electric core modules on tool 20, positioning mechanism 50 each electric core module location back one-to-one, stacking mechanism 60 piles up all electric core unit modules to one of them and places in the district 21, thereby form the battery package, place a plurality of electric core unit modules on such tool 20, the position between the electric core unit module is relative definite, stacking mechanism 60's the operation accuracy that piles up is good, the overall dimension's of the battery package that forms after piling up accuracy is higher, the uniformity is better, in addition, a tool 20 corresponds and forms a battery package, a battery package need not to relate to a plurality of tools 20, also need not to wait for other tools 20, production efficiency is higher.

In another embodiment of the present application, referring to fig. 1 and 3, a jig 20 of the cell stacking apparatus is provided with a placing area 21 where the cell unit modules are placed; the positioning mechanism 50 comprises a first pushing assembly 51 and a second pushing assembly 52, the first pushing assembly 51 and the first pushing assembly 51 are both mounted on the rack 10 and are respectively located at two opposite sides of the placing area 21, and a pushing end of the first pushing assembly 51 are both arranged towards the placing area 21 and are used for clamping or loosening the cell unit modules; install first limiting plate 22 and second limiting plate 23 on tool 20, first limiting plate 22 and second limiting plate 23 are located another relative both sides of placing district 21 respectively to can restrict the removal of electricity core unit module. During operation, the district 21 is placed in placing between first limiting plate 22 and second limiting plate 23 to electric core unit module, the relative both sides of electric core unit module receive the limiting displacement of first limiting plate 22 and second limiting plate 23, and simultaneously, first promotion subassembly 51 and second promotion subassembly 52 press from both sides electric core unit module tightly from another relative both sides of electric core unit module respectively, electric core unit can't remove between first limiting plate 22 and second limiting plate 23 like this, so just realized the fixed and accurate location of two directions of battery unit module, guaranteed the accuracy that follow-up stacking mechanism 60 piled up the operation.

Further, first recess and second recess 231 have been seted up respectively to the relative side that sets up of first limiting plate 22 and second limiting plate 23, the relative both sides of electric core unit module hold respectively in first recess and second recess 231, thereby it is fixed with the location of electric core unit module, avoid electric core unit module to remove under conveying mechanism 30's transport, realize the preliminary location of electric core unit module at tool 20, then follow-up positioning mechanism 50 only need to electric core unit module accurate location can, make the positioning accuracy of electric core unit module higher, guarantee subsequent precision of piling up.

In another embodiment of the present application, referring to fig. 1 and 3, a first pushing assembly 51 of the cell stacking apparatus is provided, which includes a first mounting frame 511, a first air cylinder 512 and a first pushing block 513, wherein the first mounting frame 511 is mounted on the rack 10, the first air cylinder 512 is mounted on the first mounting frame 511, and a driving end of the first air cylinder 512 is connected to the first pushing block 513 and is configured to drive the first pushing block 513 to extend into or withdraw from the placing region 21; the second pushing assembly 52 comprises a second mounting bracket 521, a second cylinder 522 and a second pushing block 523, the second mounting bracket 521 is mounted on the frame 10, the second cylinder 522 is mounted on the second mounting bracket 521, and a driving end of the second cylinder 522 is connected with the second pushing block 523 and is used for driving the second pushing block 523 to extend into or withdraw from the placing area 21. In addition, a piston rod of the first cylinder 512 pushes the first pushing block 513 and a piston rod of the second cylinder 522 pushes the second pushing block 523 to extend out towards two opposite sides of the cell unit module respectively so as to clamp and fix the cell unit module, thereby realizing accurate positioning of the cell unit module; after the positioning of the cell unit module is completed, the piston rod of the first cylinder 512 drives the first pushing block 513 to retract and the piston rod of the second cylinder 522 drives the second pushing block 523 to retract, so that the cell unit module is loosened to facilitate the stacking operation of the subsequent stacking mechanism 60.

Further, the first pushing assembly 51 further comprises a first linear sliding pair 514, the first linear sliding pair 514 is connected between the piston rod of the first cylinder 512 and the first pushing block 513, and has a moving guiding function on the first pushing block 513, the first pushing block 513 has better pushing stability and reliability, and the positioning stability of the battery unit module is better; the second pushing assembly 52 further comprises a second linear sliding pair 524, the second linear sliding pair 524 is connected between the piston rod of the second cylinder 522 and the second pushing block 523, and has a moving guiding effect on the second pushing block 523, the second pushing block 523 has better pushing stability and reliability, and the battery unit module has better positioning stability.

In another embodiment of the present application, referring to fig. 1 and 4, a blocking mechanism 40 of the battery cell stacking apparatus is provided, which includes a first blocking assembly 41, where the first blocking assembly 41 includes a third cylinder 411 and a first blocking block 412, the third cylinder 411 is installed on the frame 10, and a driving end of the third cylinder 411 is connected to the first blocking block 412 and is used for driving the first blocking block 412 to lift and lower so as to block the jig 20 from moving forward. Specifically, when the third cylinder 411 is located below the working area 11, before the jig 20 enters the working area 11, the piston rod of the third cylinder 411 drives the first blocking block 412 to rise above the conveying surface of the conveying mechanism 30, and when the jig 20 moves to the first blocking block 412 under the conveying of the conveying mechanism 30, the first blocking block 412 blocks the jig 20, and at this time, the jig 20 cannot be conveyed forward continuously, so that the jig 20 is fixed in the working area 11, and the subsequent positioning operation of the positioning mechanism 50 is facilitated.

In another embodiment of the present application, referring to fig. 1 and 4, the blocking mechanism 40 of the cell stacking apparatus further includes a second blocking assembly 4242 and a lifting assembly 43 for driving the jig 20 located in the working area 11 to lift; the blocking mechanism 40 comprises a fourth cylinder 421 and a second blocking block 422, the fourth cylinder 421 is mounted on the frame 10, and the fourth cylinder 421 and the third cylinder 411 are arranged at intervals along the conveying direction of the conveying mechanism 30 and are located on two opposite sides of the working area 11; the driving end of the fourth cylinder 421 is connected to the second stopping block 422 and is used to drive the second stopping block 422 to ascend and descend, and when the ascending and descending assembly 43 ascends and ascends the jig 20, the first stopping block 412 and the second stopping block 422 clamp and fix the jig 20. When the fourth cylinder 421 is located below the working area 11, and the jig 20 does not enter the working area 11, the fourth cylinder 421 drives the second blocking block 422 to descend below the conveying surface of the conveying mechanism 30, and at this time, the second blocking block 422 does not block the conveying of the jig 20, so that the jig 20 smoothly enters the working area 11, after the jig 20 enters the working area 11, the lifting assembly 43 lifts the jig 20, the jig 20 is separated from the conveying surface of the conveying mechanism 30, and reaches a preset position, and simultaneously, the piston rod of the fourth cylinder 421 respectively lifts the second blocking block 422, and clamps and fixes the jig 20 between the second blocking block 422 and the first blocking block 412, so as to position the jig 20; in addition, in the process, after the lifting assembly 43 lifts the jig 20, the jig 20 is separated from the conveying mechanism 30, so that the jig 20 is prevented from shaking due to the conveying force of the conveying mechanism 30, and the positioning accuracy of the jig 20 is improved.

Further, the first blocking assembly 41 includes a first connecting block 413, the middle of the first connecting block 413 is hinged to the frame 10, the end of the first connecting block 413 far away from the working area 11 is connected to the piston rod of the third cylinder 411, the middle of the first blocking block 412 is hinged to the middle of the first connecting block 413, the end of the first blocking block 412 far away from the working area 11 is abutted to the end of the first connecting block 413 far away from the working area 11, and when the piston rod of the third cylinder 411 extends out, the first connecting block 413 is driven to rotate towards the working area 11 and far away from the end of the working area 11, so as to cooperate with the second blocking block 422 to clamp the jig 20; when the piston rod of the third cylinder 411 retracts, the end of the first connecting block 413 close to the working area 11 is driven to rotate back to the working area 11, and at the same time, the first blocking block 412 is driven to rotate back to the working area 11, and when the first blocking block 412 is lowered to the lower side of the working area 11, the first blocking block 412 is prevented from interfering with the jig 20, and the smooth blocking of the jig 20 into subsequent manufacturing equipment is ensured.

Furthermore, the second blocking assembly 4242 comprises a second connecting block 423, the middle part of the second connecting block 423 is hinged to the frame 10, the end part of the second connecting block 423, which is far away from the working area 11, is connected with the piston rod of the fourth cylinder 421, the middle part of the second blocking block 422 is hinged to the middle part of the second connecting block 423, the end part of the second blocking block 422, which is far away from the working area 11, is abutted against the end part of the second connecting block 423, which is far away from the working area 11, and when the piston rod of the fourth cylinder 421 extends out, the second connecting block 423 is driven to be far away from the end part of the working area 11 and rotate towards the working area 11, so as to be matched with the second blocking block 422 to clamp the jig 20; when the piston rod of the fourth cylinder 421 retracts, the end of the second connecting block 423 close to the working area 11 is driven to rotate back to the working area 11, and meanwhile, the second blocking block 422 is driven to rotate back to the working area 11, and when the second blocking block 422 is lowered to the lower side of the working area 11, the second blocking block 422 is prevented from interfering with the jig 20, so that the jig 20 is prevented from smoothly entering the working area 11.

Furthermore, the opposite sides of the jig 20 are provided with third grooves 24 for the first stop block 412 and the second stop block 422 to be inserted into, so that after the jig 20 is clamped by the first stop block 412 and the second stop block 422, the jig 20 cannot move, and the positioning accuracy of the jig 20 is better.

In another embodiment of the present application, referring to fig. 1 and fig. 4, the lifting assembly 43 of the battery cell stacking apparatus provided includes a mounting plate 431, a fifth cylinder 432 and a lifting plate 433, the mounting plate 431 is mounted on the rack 10, the fifth cylinder 432 is mounted on the mounting plate 431, the lifting plate 433 is located below the placing area 21, and a driving end of the fifth cylinder 432 is connected to the lifting plate 433 and is configured to drive the lifting plate 433 to lift, so that the lifting plate 433 drives the jig 20 located in the placing area 21 to lift. During operation, the piston rod of the fifth cylinder 432 stretches out, so that the lifting plate 433 is lifted up, when the lifting plate 433 is in contact with the jig 20, the fifth cylinder 432 continues to lift up the lifting plate 433, the lifting plate 433 lifts up the jig 20, so that the jig 20 is separated from the conveying mechanism 30, the conveying acting force of the conveying mechanism 30 on the jig 20 is avoided, and the subsequent jig 20 is positioned more accurately and reliably.

Further, the mounting plate 431 and the lifting plate 433 are arranged at an upper-lower parallel interval, and the mounting plate 431 and the lifting plate 433 are connected through a third linear sliding pair 434, so that the lifting plate 433 is more stable and reliable in lifting operation under the guiding effect of the third linear sliding pair 434, and the lifting stability of the jig 20 is better.

In another embodiment of the present application, referring to fig. 1, 5 and 6, a stacking mechanism 60 of the cell stacking apparatus is provided, which includes a moving driving assembly 61, a lifting driving assembly 62 and a clamping assembly 63 for clamping a cell, wherein the moving driving assembly 61 is mounted on the frame 10, and a driving end of the moving driving assembly 61 is connected to the lifting driving assembly 62 and is used for driving the lifting driving assembly 62 to move to the working area 11; the driving end of the lifting driving assembly 62 is connected with the clamping assembly 63 and is used for driving the clamping assembly 63 to lift; specifically, when the clamping assembly 63 is located above the working area 11, after the moving driving assembly 61 moves the lifting assembly 43 and the clamping assembly 63 to the cell unit module, the lifting driving mechanism drives the clamping assembly 63 to move downwards, and when the cell unit module is located in the clamping area of the clamping assembly 63, the clamping assembly 63 clamps the cell unit module; then, lift actuating mechanism drives clamping component 63 and electric core unit module and shifts up, and simultaneously, remove drive component 61 and drive clamping component 63 and electric core unit module and remove and to the predetermined district 21 department of placing that piles up after, lift actuating mechanism drives clamping component 63 and electric core unit module and moves down, and when electric core unit module and the electric core unit module contact that piles up, electric core unit module is puted away to clamping component 63 to accomplish the operation of piling up of electric core unit module.

More specifically, the clamping assembly 63 includes a finger cylinder 631 and two clamping plates 632, the finger cylinder 631 is connected to the driving end of the lifting driving assembly 62, and the two driving ends of the finger cylinder 631 are respectively connected to the two clamping plates 632 and are used for driving the two clamping plates 632 to move relatively close to or away from each other to clamp or release the battery cell. Specifically, the space between two clamp plates 632 is the clamping area, and when pointing two clamp plates 632 of cylinder 631 drive and keeping away from relatively, space grow between two clamp plates 632 to make things convenient for electric core unit module to get into two clamp plates 632 in, after electric core unit module gets into between two clamp plates 632, when pointing two clamp plates 632 of cylinder 631 drive and be close to relatively, thereby press from both sides electric core unit module tightly.

Furthermore, a fourth groove 232 is formed in the first limiting plate 22 and the second limiting plate 23, and the clamping plate 632 extends into the fourth groove 232 and faces the placing area 21 along the fourth groove 232, so as to clamp and fix the cell unit module; fourth recess 232 is used for dodging fourth recess 232, and simultaneously, behind clamp plate 632 stretched into fourth recess 232, electric core unit module was big with clamp plate 632's area of contact, and the clamp of electric core unit module is fixed more reliable and more stable.

Alternatively, the moving driving assembly 61 and the lifting driving assembly 62 may be a linear module, a cylinder, a linear motion linkage mechanism, or some other mechanism capable of achieving linear movement. Preferably, remove drive assembly 61 and lift drive assembly 62 and be the sharp module, the sharp module is driven by servo motor, and servo drive control clamping assembly 63's precision is high, and the accuracy that electric core unit module piled up is higher, and the overall dimension's of battery package uniformity is better.

In another embodiment of the present application, referring to fig. 1, 5 and 6, a stacking mechanism 60 of the battery cell stacking apparatus is further provided, which further includes a pressing assembly 64 connected to a driving end of the lifting driving assembly 62 and configured to abut against a stacked battery cell module; during operation, before clamping assembly 63 stacks electric core unit module on preceding electric core unit module, compress tightly subassembly 64 and can compress tightly at preceding electric core unit module, when stacking electric core unit module like this, preceding electric core unit module can not remove, guarantees to pile up back electric core unit module and has good overall dimension and uniformity.

Specifically, the pressing assembly 64 includes a sixth air cylinder 641 and an abutting column 642, the sixth air cylinder 641 is connected to the driving end of the lifting driving assembly 62, the driving end of the sixth air cylinder 641 is disposed downward, and the driving end of the sixth air cylinder 641 is connected to the abutting column 642. The driving end of the sixth cylinder 641 extends downward, so that the abutting column 642 abuts against the previous cell unit module, thereby preventing the previously stacked cell unit assembly from moving; wherein, the quantity of sixth cylinder 641 is two to be located the both ends department of electric core unit module, the piston rod of sixth cylinder 641 is connected with two and supports tight post, will support tight post when sixth cylinder 641 and release the back, four support tight post and support tight four bights at electric core unit module respectively, electric core unit module support tight fixed more reliable and more stable.

Furthermore, the number of the clamping assemblies 63 is two, three or more, and the clamping assemblies 63 are arranged at intervals along the length direction of the cell unit module, and through the arrangement of the plurality of clamping assemblies 63, the clamping of the cell unit module is more stable and reliable, the cell unit module is prevented from moving in the moving process, and the subsequent stacking precision is ensured; more specifically, the stacking mechanism 60 further includes a connection frame on which each clamping assembly 63 and each sixth air cylinder 641 are mounted, the connection frame being connected with a driving end of the elevation driving assembly 62.

Specifically describing the structure of the battery cell stacking device shown in fig. 1, when a worker faces the battery cell stacking device, the conveying mechanism 30 is transversely disposed in front of the worker, the conveying mechanism 30 conveys the jig 20 from right to left, and the three battery cell unit modules are sequentially and longitudinally arranged on the jig 20 from right to left; the lifting assembly 43 of the blocking mechanism 40 is located below the working area 11, the first blocking assembly 41 and the second blocking assembly 4242 are respectively located on the left side and the right side of the working area 11, the first pushing assembly 51 and the second pushing assembly 52 of the positioning assembly are respectively located on the front side and the rear side of the working area 11, the stacking mechanism 60 is arranged above the working area 11, the stacking mechanism 60 further comprises a moving frame 66 and a fourth linear sliding pair 65, the moving driving assembly 61 and the fourth linear sliding pair 65 are transversely arranged at intervals, located on the front side and the rear side of the working area 11 and respectively located above the first pushing assembly 51 and the second pushing assembly 52, two ends of the moving frame 66 are respectively connected with the driving end of the moving driving assembly 61 and the fourth linear sliding pair 65, and the lifting driving assembly 62 is mounted on the moving frame 66; note that the frame 10 in fig. 1 is a platen, but in other embodiments, the frame 10 may have a frame structure or the like.

The following specifically describes the operation flow of the cell stacking apparatus shown in fig. 1: before the jig 20 enters the working area 11, the third cylinder 411 and the fourth cylinder 421 of the blocking mechanism 40 are both in the extended state, and the fifth cylinder 432 is in the retracted state. The first cylinder 512 and the second cylinder 522 of the positioning mechanism 50 are both in a retracted state, the moving driving component 61, the lifting driving component 62 and the clamping component 63 are located at the leftmost end, the clamping component 63 is in a vertically upward highest position state, the sixth cylinder 641 is in a retracted state, and the finger cylinder 631 is in an open state.

When the jig 20 moves from right to left on the conveying mechanism 30 to approach the working area 11, when the fourth cylinder 421 retracts, the second stop block 422 retracts, so that the jig 20 smoothly reaches the working area 11; after the jig 20 is located in the working area 11, the piston rod of the fifth cylinder 432 extends out to drive the lifting plate 433 and the jig 20 to vertically move upwards along the third linear sliding pair 434, and after the jig 20 reaches the preset lifting position, the piston rod of the fourth cylinder 421 extends out to clamp and fix the battery cell unit module between the first blocking block 412 and the second blocking block 422, so that the positioning of the jig 20 is completed.

After the jig 20 is positioned, the piston rod of the first cylinder 512 and the piston rod of the second cylinder 522 of the positioning mechanism 50 extend out to drive the first pushing block 513 and the second pushing block 523 to move along the first linear sliding pair 514 and the second linear sliding pair 524 respectively, so as to arrange and position the battery cell modules of the jig 20.

After the positioning of the battery cell module is completed, the movable driving assembly 61 drives the movable frame 66, the lifting driving assembly 62 and the clamping assembly 63, and the middle placing area 21 is initially located from the left end along the transverse fourth linear sliding pair 65, wherein the middle placing area 21 is a stacking area.

The piston rod of the lifting driving assembly 62 drives the clamping assembly 63 to vertically move downwards to the placing area 21 from a high-position initial state, firstly, the piston rod of the sixth air cylinder 641 extends out to press two ends of the cell unit module, and the two clamping plates 632 of the finger air cylinder 631 retract to the center from an open state to clamp the cell unit module; meanwhile, the piston rod of the first cylinder 512 and the piston rod of the second cylinder 522 retract, which drives the first push plate and the second push plate to move back along the first linear sliding pair 514 and the second linear sliding pair, respectively.

After the clamping of electric core unit module is accomplished, the piston rod of lift drive assembly 62 drives clamping component 63 and compresses tightly subassembly 64 and vertically upwards move to preset position after, remove drive assembly 61 and drive lift drive assembly 62, compress tightly subassembly 64 and clamping component 63 and move to middle district 21 of placing from left to right to will middle place district 21 for electric core unit module's the position of piling up. When the tight electricity core unit module of clamping assembly 63 was located the top of piling up the district, lift drive assembly 62 drove clamping assembly 63, compressed tightly subassembly 64 and the vertical downstream of electricity core unit module, until after butt post 642 on the sixth cylinder 641 compressed tightly the electricity core unit module of placing on piling up the district, the piston rod retraction of sixth cylinder 641, finger cylinder 631 turned to for opening the state by the withdrawal state to accomplish the operation of piling up of electricity core unit module. Thereafter, the lifting drive assembly 62 drives the clamping assembly 63, the pressing assembly 64 and the cell unit modules to move vertically upward to above the stacking area. Similarly, the movable driving assembly 61 drives the lifting driving assembly 62 to drive the clamping assembly 63 and the compressing assembly 64, the cell unit module located at the rightmost side is stacked on the middle placing area 21, and finally, the movable driving assembly 61 drives the lifting driving assembly 62 to drive the clamping assembly 63 and the compressing assembly 64 to move from right to left to the initial position.

Then, the piston rod of the fifth cylinder 432 of the lifting assembly 43 retracts to drive the lifting plate 433 and the jig 20 to vertically move downwards along the third straight sliding pair, the jig 20 is placed on the conveying mechanism 30, the first cylinder 512 drives the first blocking block 412 to retract, and after the jig 20 flows out leftwards, the first cylinder 512 extends out, so that the stacking operation of the whole battery pack is completed.

When the next jig 20 moves from right to left along the conveying mechanism 30, the above movement is repeated, and the cell unit modules in the next jig 20 are stacked.

Optionally, the first linear sliding pair 514, the second linear sliding pair 524, the third linear sliding pair 434 or the fourth linear sliding pair 65 is a linear sliding rail pair or a linear sliding block pair.

In another embodiment of the present application, there is provided a battery production apparatus including the above cell stacking apparatus. The specific structure of the battery production equipment refers to the above embodiments, and since the battery production equipment adopts all the technical solutions of all the above embodiments, all the beneficial effects brought by the technical solutions of the above embodiments are also achieved, and are not repeated herein.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.

Claims

1. The utility model provides a device is piled up to electricity core which characterized in that: the battery cell stacking device comprises a rack, a jig, a conveying mechanism, a blocking mechanism, a positioning mechanism and a stacking mechanism, wherein the conveying mechanism, the blocking mechanism, the positioning mechanism and the stacking mechanism are arranged on the rack; the conveying mechanism is used for conveying the jig; the conveying mechanism is provided with a working area; the blocking mechanism is used for blocking the jig from being conveyed forwards continuously so that the jig stays in the working area; the positioning mechanism is used for positioning the battery cell module on the jig in the working area; the stacking mechanism is used for stacking the battery cell module.

2. The cell stacking apparatus of claim 1, wherein: the jig is at least provided with two placing areas used for placing the battery cell unit modules, the number of the positioning mechanisms is multiple, each positioning mechanism is in one-to-one correspondence with each placing area, and the battery cell unit modules on the jig are stacked in the same placing area by the stacking mechanism.

3. The cell stacking apparatus of claim 1, wherein: the jig is provided with a placing area for placing the battery cell module;

4. The cell stacking apparatus of claim 3, wherein: the first pushing assembly comprises a first mounting frame, a first air cylinder and a first pushing block, the first mounting frame is mounted on the rack, the first air cylinder is mounted on the first mounting frame, and the driving end of the first air cylinder is connected with the first pushing block and used for driving the first pushing block to extend into or withdraw from the placing area;

5. The cell stacking apparatus according to any one of claims 2 to 4, wherein: the blocking mechanism comprises a first blocking assembly, the first blocking assembly comprises a third air cylinder and a first blocking block, the third air cylinder is installed on the rack, and the driving end of the third air cylinder is connected with the first blocking block and used for driving the first blocking block to lift so as to block the jig from continuously moving forwards.

6. The cell stacking apparatus of claim 5, wherein: the blocking mechanism further comprises a second blocking component and a lifting component for driving the jig positioned in the working area to lift;

7. The cell stacking apparatus of claim 6, wherein: the lifting assembly comprises a mounting plate, a fifth cylinder and a lifting plate, the mounting plate is mounted on the rack, the fifth cylinder is mounted on the mounting plate, the lifting plate is located below the placement area, the driving end of the fifth cylinder is connected with the lifting plate and used for driving the lifting plate to lift, so that the lifting plate drives the jig located in the placement area to lift.

8. The cell stacking apparatus according to any one of claims 1 to 4, wherein: the stacking mechanism comprises a moving driving assembly, a lifting driving assembly and a clamping assembly for clamping the battery cell, the moving driving assembly is mounted on the rack, and a driving end of the moving driving assembly is connected with the lifting driving assembly and is used for driving the lifting driving assembly to move to the working area; the driving end of the lifting driving component is connected with the clamping component and is used for driving the clamping component to lift;

the clamping assembly comprises a finger cylinder and two clamping plates, the finger cylinder is connected with the driving ends of the lifting driving assembly, and the two driving ends of the finger cylinder are respectively connected with the two clamping plates and used for driving the two clamping plates to be relatively close to or far away from each other so as to clamp or loosen the battery cell.

9. The cell stacking apparatus of claim 8, wherein: the stacking mechanism further comprises a pressing assembly which is connected with the driving end of the lifting driving assembly and used for abutting against the stacked battery cell module;

10. A battery production apparatus characterized in that: the cell stacking apparatus of any of claims 1 to 9.