CN215527780U

CN215527780U - Battery cell stacking device

Info

Publication number: CN215527780U
Application number: CN202121672273.2U
Authority: CN
Inventors: 李伟民; 刘鹏; 侯永坤; 周文广
Original assignee: Eve Power Co Ltd
Current assignee: Eve Power Co Ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-01-14
Anticipated expiration: 2031-07-21

Abstract

The utility model discloses an electric core stacking device, which comprises a clamping mechanism, a guiding mechanism, a supporting plate and a positioning mechanism. The clamping mechanism comprises two oppositely arranged clamping jaws, wherein the clamping jaws comprise a first clamping arm vertically connected to each other and a positioning mechanism. The second clamp arm, the first clamp arm is located below the support plate, the support plate is located between the two second clamp arms, the guide mechanism is arranged below the support plate, and the guide mechanism includes a first slider and a first guide rail , the first clamp arm is connected with the first slider, the battery cell can be placed on the support plate and clamped between the two second clamp arms, so that the battery cell can be laid on the support plate along the first guide rail direction of movement. The clamping mechanism can clamp the cells placed on the support plate, and then make the clamped cells move linearly on the support plate and connect with the end plate on the positioning mechanism or a previous cell to improve the performance. The assembly accuracy and assembly efficiency during the stacking process of the cells are improved, and the errors caused by human factors are reduced.

Description

Battery cell stacking device

Technical Field

The utility model relates to the technical field of batteries, in particular to a battery cell stacking device.

Background

The battery module includes a plurality of electric cores of piling up together, piles up the in-process at electric core, needs to guarantee the accurate alignment of electric core. The current battery cell stacking work is mainly performed manually, and the alignment work is performed by taking one side surface of the battery cell as a reference surface. Because only unilateral location is carried out, the plane degree of the side face which is not taken as a reference surface is amplified, and the error of the symmetry degree is amplified, so that the position of the battery cell in the module is wholly deviated. And the manual stacking of the battery cores has higher operation requirements on personnel, and errors caused by human factors are easily introduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a battery cell stacking device which can improve the position accuracy of battery cell stacking in the assembly process of a battery module, reduce errors caused by human factors and improve the efficiency of battery cell stacking.

In order to achieve the purpose, the utility model adopts the following technical scheme:

provides a battery cell stacking device, which comprises a clamping mechanism, a guide mechanism, a bearing plate and a positioning mechanism, the clamping mechanism comprises two oppositely arranged clamping jaws, each clamping jaw comprises a first clamping arm and a second clamping arm which are mutually and vertically connected, the first clamping arm is positioned below the bearing plate, the bearing plate is positioned between the two second clamping arms, the guide mechanism is arranged below the bearing plate and comprises a first sliding block and a first guide rail, the two first clamping arms are connected with the first sliding block, the battery cell can be placed on the bearing plate and clamped between the two second clamping arms, so that the battery cell can move on the bearing plate along the laying direction of the first guide rail, the positioning mechanism is arranged at one end of the bearing plate and detachably connected with one end plate of the battery module.

As a preferable scheme of the battery cell stacking apparatus of the present invention, the battery cell stacking apparatus further includes a pneumatic finger, the pneumatic finger is fixed to the first slider, the pneumatic finger includes two movably disposed pneumatic claws, the pneumatic claws are connected to the first clamp arm, and the pneumatic finger can make the two clamp jaws approach or separate from each other.

As a preferable scheme of the battery cell stacking apparatus of the present invention, the clamping mechanism further includes two clamping blocks, the clamping blocks are disposed on the second clamping arms, and the clamping blocks can abut against the battery cells and clamp the battery cells.

As a preferable scheme of the cell stacking apparatus of the present invention, the clamping block includes a clamping plate and a protruding strip, the clamping block is L-shaped, the protruding strip is disposed on an edge of one side of the clamping plate, and the clamping plate is detachably connected to the second clamping arm.

As a preferable scheme of the battery cell stacking device, the battery cell stacking device further includes a pressing mechanism, the pressing mechanism is disposed at one end of the supporting plate far away from the positioning mechanism, the pressing mechanism includes a pressing block, a second slider, a second guide rail, a pressing rod and a fixing seat, the pressing block is detachably connected with another end plate of the battery module, the second slider is disposed on the second guide rail, the second slider is fixedly connected with the pressing block, the pressing rod penetrates through the fixing seat and is in threaded connection with the fixing seat, and one end of the pressing rod is selectively abutted to the pressing block.

As a preferable scheme of the battery cell stacking device, the pressing mechanism further includes a limiting seat, the limiting seat is fixed on the pressing block, and the pressing rod penetrates through the limiting seat.

As a preferable aspect of the cell stacking apparatus of the present invention, the number of the second guide rails is two, and the second guide rails are parallel to the first guide rails.

As a preferable aspect of the cell stacking apparatus of the present invention, the pressing mechanism further includes a pressure sensor, and the pressure sensor is disposed between the pressing block and the pressing rod.

As a preferred scheme of the battery cell stacking device, the battery cell stacking device further includes a base and a bottom plate, the base includes a first supporting seat, a second supporting seat and a supporting plate, the first supporting seat and the second supporting seat are fixed on the bottom plate, the supporting plate is parallel to the bottom plate, one end of the supporting plate is connected to the first supporting seat, the other end of the supporting plate is connected to the second supporting seat, the first guide rail is fixed on the bottom plate and located between the first supporting seat and the second supporting seat, and the supporting plate is disposed on a surface of the supporting plate away from the bottom plate.

The utility model has the beneficial effects that:

according to the battery cell stacking device, the clamping mechanism is arranged on the guide mechanism, so that the clamping mechanism can reciprocate along a straight line, the clamping mechanism can clamp a battery cell placed on the bearing plate, then the clamped battery cell makes a straight line motion on the bearing plate, the battery cell is then connected with the end plate on the positioning mechanism or the previous battery cell, the subsequent battery cell can move along the motion track of the previous battery cell, the alignment work of the battery cell is not required to be carried out by adopting a single plane as a reference plane, the assembly precision and the assembly efficiency in the battery cell stacking process are improved, and errors caused by human factors are reduced.

Drawings

Fig. 1 is a perspective view of a cell stacking apparatus according to an embodiment of the utility model;

FIG. 2 is a perspective view of the clamping mechanism of FIG. 1;

FIG. 3 is a perspective view of a pneumatic finger in accordance with one embodiment of the present invention;

FIG. 4 is a top view of FIG. 1;

fig. 5 is a side view of fig. 1.

In the figure:

1. a clamping mechanism; 11. a clamping jaw; 111. a first clamp arm; 112. a second clamp arm; 12. a clamping block; 121. a splint; 122. a convex strip; 2. a guide mechanism; 21. a first slider; 22. a first guide rail; 3. a support plate; 4. a positioning mechanism; 5. a pneumatic finger; 51. a pneumatic claw; 52. a main body; 6. a hold-down mechanism; 61. briquetting; 62. a second slider; 63. a second guide rail; 64. a pressure lever; 65. a fixed seat; 66. a limiting seat; 67. a pressure sensor; 7. a base; 71. a first support base; 72. a second support seat; 73. a support plate; 8. a base plate; 100. an electric core; 200. and an end plate.

Detailed Description

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the word "over" a first feature or feature in a second feature may include the word "over" or "over" the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under" a second feature may include a first feature that is directly under and obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

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.

As shown in fig. 1 and fig. 2, a cell stacking apparatus according to an embodiment of the present invention includes a clamping mechanism 1 and a guiding mechanism 2, bearing plate 3 and positioning mechanism 4, fixture 1 includes two relative clamping jaws 11 that set up, clamping jaw 11 includes first arm lock 111 and the second arm lock 112 that mutually perpendicular connects, first arm lock 111 is located the below of bearing plate 3, bearing plate 3 is located between two second arm lock 112, guiding mechanism 2 sets up the below at bearing plate 3, guiding mechanism 2 includes first slider 21 and first guide rail 22, two first arm lock 111 are connected with first slider 21, electric core 100 can place on bearing plate 3 and by the centre gripping between two second arm lock 112, make electric core 100 can move along the direction of laying of first guide rail 22 on bearing plate 3, positioning mechanism 4 sets up the one end at bearing plate 3, positioning mechanism 4 can dismantle with an end plate 200 of battery module and be connected.

The battery cell stacking device of the embodiment is characterized in that the clamping mechanism 1 is arranged on the guide mechanism 2, so that the clamping mechanism 1 can perform reciprocating motion along a straight line, the clamping mechanism 1 can clamp the battery cell 100 placed on the bearing plate 3 tightly, then the clamped battery cell 100 performs linear motion on the bearing plate 3, the battery cell 100 is connected with the end plate 200 on the positioning mechanism 4 or the previous battery cell 100 later, the subsequent battery cell 100 can move along the motion track of the previous battery cell 100, the alignment work of the battery cell 100 is not required to be performed by using a single plane of the battery cell 100 as a reference plane, the assembly precision and the assembly efficiency of the battery cell 100 stacking process are improved, and errors caused by human factors are reduced.

The supporting plate 3 can be made of a material with a small friction coefficient with the battery cell 100, so that the battery cell 100 can slide on the surface of the supporting plate 3 without excessive clamping force of the clamping mechanism 1, and the requirement on the strength of the clamping mechanism 1 is reduced.

Further, the battery cell stacking device further includes a pneumatic finger 5, the pneumatic finger 5 is fixed on the first slider 21, as shown in fig. 3, the pneumatic finger 5 includes two movably disposed pneumatic claws 51 and a main body 52, the pneumatic claws 51 are connected with the first clamping arms 111, and the pneumatic finger 5 enables the two clamping jaws 11 to approach or separate from each other.

The pneumatic finger 5 uses compressed air as power to enable the two air claws 51 to approach and separate from each other, and the first clamping arm 111 is fixed on the air claws 51 to enable the two clamping jaws 11 to approach and separate from each other. Therefore, the clamping mechanism 1 can clamp the battery cells 100 with different sizes, and the two clamping jaws 11 can always move synchronously toward each other or back to back, so that the battery cells 100 are not deviated from the center of the supporting plate 3 when being clamped.

As shown in fig. 2, the clamping mechanism 1 further includes two oppositely disposed clamping blocks 12, the clamping blocks 12 are disposed on the second clamping arm 112, and the clamping blocks 12 can abut against the battery cell 100 and clamp the battery cell 100. The clamping block 12 may be made of a material with certain elasticity, so that the clamping mechanism 1 can better clamp the battery cell 100, and the second clamping arm 112 is less likely to deform at a position closer to the first clamping arm 111, and the middle lower portion of the second clamping arm 112 should be made to act on the side surface of the battery cell 100 as much as possible. Therefore, the clamping block 12 is disposed in the middle of the second clamping arm 112, so that the clamping block 12 is used as a component directly contacting with the battery cell 100, and the clamping mechanism 1 can stably clamp the battery cell 100.

Further, clamp splice 12 includes splint 121 and sand grip 122, and clamp splice 12 is the L type, and sand grip 122 sets up at a side edge of splint 121, and splint 121 can dismantle with second arm lock 112 and be connected. As shown in fig. 4, the protruding strip 122 provides an acting force the same as the moving direction of the battery cell 100 for the battery cell 100 by abutting against the battery cell 100, and the battery cell 100 is not required to be prevented from being separated from the clamping block 12 by completely relying on the static friction force between the clamping plate 121 and the battery cell 100, so as to improve the stability of the moving process of the battery cell 100. The clamping plate 121 is detachably connected to the second clamping arm 112, and different clamping blocks 12 can be replaced according to different types or sizes of the battery cells 100 so as to be well matched with the battery cells 100.

As shown in fig. 1, the battery cell stacking apparatus further includes a positioning mechanism 4, the positioning mechanism 4 is disposed at one end of the supporting plate 3, and the positioning mechanism 4 is detachably connected to one end plate 200 of the battery module. The battery cell 100 in the battery module is clamped between the two end plates 200, and when the battery module is assembled, the first battery cell 100 needs to be assembled with the end plates 200. Therefore, it is necessary to provide a positioning mechanism 4 for placing the end plate 200, and to detachably connect the positioning mechanism 4 to the end plate 200, and to detach the end plate 200 from the positioning mechanism 4 after the assembly is completed.

As shown in fig. 1 and fig. 5, further, the cell stacking apparatus further includes a pressing mechanism 6, the pressing mechanism 6 is disposed at one end of the supporting plate 3 far away from the positioning mechanism 4, the pressing mechanism 6 includes a pressing block 61, a second sliding block 62, a second guide rail 63, a pressing rod 64 and a fixing seat 65, the pressing block 61 is detachably connected to another end plate 200 (not shown in the figure) of the battery module, the second sliding block 62 is disposed on the second guide rail 63, the second sliding block 62 is fixedly connected to the pressing block 61, the pressing rod 64 penetrates through the fixing seat 65 and is in threaded connection with the fixing seat 65, and one end of the pressing rod 64 is selectively abutted to the pressing block 61. The pressing rod 64 is screwed to rotate on the fixing seat 65 and move, the pressing rod 64 can push the pressing block 61 to move after being abutted against the pressing block 61, and the end plate 200 is pressed on the battery cell 100 until the pressure reaches a target value and lasts for a certain time, so that a certain pressure is maintained between the battery cells 100. In particular, when the battery cells 100 are connected by adhesion, the pressing mechanism 6 plays an important role.

Further, the pressing mechanism 6 further comprises a limiting seat 66, the limiting seat 66 is fixed on the pressing block 61, and the pressing rod 64 penetrates through the limiting seat 66. The limiting seat 66 can prevent the pressure lever 64 from shaking, improve the stability of the pressure lever 64 and keep the direction of the acting force applied by the pressure lever 64 to the pressing block 61 constant.

The number of the second guide rails 63 is two, and the second guide rails 63 are parallel to the first guide rails 22. Because the pressing mechanism 6 needs to generate larger pressure, the requirement on the stability of the structure is higher, and the two second guide rails 63 are arranged, so that the movement of the pressing block 61 is more stable. The second guide rail 63 is parallel to the first guide rail 22, so that the pressure applied by the pressing block 61 is perpendicular to the surface of the battery cells 100, and the battery cells 100 are not displaced from each other.

Further, the pressing mechanism 6 further includes a pressure sensor 67, and the pressure sensor 67 is disposed between the pressing block 61 and the pressing rod 64. The pressure rod 64 firstly transmits the pressure to the pressure sensor 67, and the pressure sensor 67 transmits the pressure to the pressing block 61, so that the pressure applied by the pressing mechanism 6 can be accurately measured, and the pressing force applied to the battery core 100 can meet the requirement.

As shown in fig. 1 and 5, the battery cell stacking device further includes a base 7 and a bottom plate 8, the base 7 includes a first supporting seat 71, a second supporting seat 72 and a supporting plate 73, the first supporting seat 71 and the second supporting seat 72 are fixed on the bottom plate 8, the supporting plate 73 is parallel to the bottom plate 8, one end of the supporting plate 73 is connected with the first supporting seat 71, the other end of the supporting plate 73 is connected with the second supporting seat 72, the first guide rail 22 is fixed on the bottom plate 8 and is located between the first supporting seat 71 and the second supporting seat 72, and the supporting plate 3 is disposed on one side of the supporting plate 73 away from the bottom plate 8. The supporting plate 73 is spaced from the bottom plate 8, so that an installation space is provided for the clamping mechanism 1 and the guide mechanism 2, and the supporting plate 73 also provides a flat installation surface for the bearing plate 3, so that the whole battery cell stacking device is compact in structure and convenient to use.

Reference throughout this specification to the description of the terms "preferred," "further," or the like, as used in describing preferred embodiments of the present invention, means that a particular feature, structure, material, or characteristic described in connection with the example or illustration is included in at least one example or illustration of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above examples are only intended to illustrate the details of the utility model, which is not limited to the above details, i.e. it is not intended that the utility model must be implemented in such detail. It should be understood by those skilled in the art that any modification of the present invention, equivalent substitutions of the raw materials of the product of the present invention, addition of auxiliary components, selection of specific modes, etc., are within the scope and disclosure of the present invention.

Claims

1. A cell stacking device, characterized in that it comprises a clamping mechanism, a guiding mechanism, a supporting plate and a positioning mechanism, the clamping mechanism comprises two oppositely arranged clamping claws, and the clamping claws comprise mutually perpendicular connections. The first clamp arm and the second clamp arm, the first clamp arm is located below the support plate, the support plate is located between the two second clamp arms, and the guide mechanism is provided at the Below the supporting plate, the guiding mechanism includes a first sliding block and a first guide rail, the two first clamping arms are connected with the first sliding block, and the battery cells can be placed on the supporting plate and It is clamped between the two second clamping arms, so that the battery cell can move along the laying direction of the first guide rail on the supporting plate, and the positioning mechanism is arranged on the supporting plate. At one end of the plate, the positioning mechanism is detachably connected to one end plate of the battery module.

2 . The battery cell stacking device according to claim 1 , further comprising a pneumatic finger, the pneumatic finger is fixed on the first sliding block, and the pneumatic finger comprises two movably arranged air claws, 2 . The pneumatic gripper is connected with the first gripping arm, and the pneumatic fingers can make the two gripping grippers approach or move away from each other.

3 . The cell stacking device according to claim 1 , wherein the clamping mechanism further comprises two clamping blocks, the clamping blocks are arranged on the second clamping arm, and the clamping blocks can be connected to the second clamping arm. 4 . The battery cell abuts and clamps the battery cell.

4 . The cell stacking device according to claim 3 , wherein the clamping block comprises a clamping plate and a protruding strip, the clamping block is L-shaped, and the protruding strip is arranged on one side edge of the clamping plate, 5 . The clamping plate is detachably connected to the second clamping arm.

5 . The battery cell stacking device according to claim 1 , further comprising a pressing mechanism, the pressing mechanism is disposed at an end of the support plate away from the positioning mechanism, and the pressing mechanism comprises: 6 . A pressing block, a second sliding block, a second guide rail, a pressing rod and a fixing seat, the pressing block is detachably connected to the other end plate of the battery module, and the second sliding block is arranged on the second guide rail The second slider is fixedly connected to the pressure block, the pressure rod passes through the fixing seat and is threadedly connected to the fixing seat, and one end of the pressure rod selectively abuts against the pressure block .

6 . The cell stacking device according to claim 5 , wherein the pressing mechanism further comprises a limit seat, the limit seat is fixed on the pressing block, and the pressing rod passes through the Limited seat.

7 . The cell stacking device according to claim 5 , wherein the number of the second guide rails is two, and the second guide rails are parallel to the first guide rails. 8 .

8 . The cell stacking device according to claim 5 , wherein the pressing mechanism further comprises a pressure sensor, and the pressure sensor is arranged between the pressing block and the pressing rod. 9 .

9 . The cell stacking device according to claim 1 , further comprising a base and a bottom plate, the base comprises a first support seat, a second support seat and a support plate, the first support seat and The second support seat is fixed on the bottom plate, the support plate is parallel to the bottom plate, one end of the support plate is connected with the first support seat, and the other end of the support plate is connected with the second support plate The support base is connected, the first guide rail is fixed on the base plate and is located between the first support base and the second support base, and the support plate is arranged on the side of the support plate away from the base plate .