CN113776577A

CN113776577A - Electricity core homonymy gradual change utmost point ear detection device

Info

Publication number: CN113776577A
Application number: CN202111032981.4A
Authority: CN
Inventors: 尚磊; 王士对; 李�浩; 余少辉
Original assignee: Guangzhou Deep Perception Intelligent Technology Co ltd
Current assignee: Guangzhou Deep Perception Intelligent Technology Co ltd
Priority date: 2021-08-18
Filing date: 2021-09-03
Publication date: 2021-12-10
Also published as: CN113776576A

Abstract

The invention provides a detection device for a pole lug gradually changed on the same side of a battery cell, and belongs to the technical field of automatic detection equipment. This detection device includes the feeding agencies, the transport mechanism, jack-up mechanism and detection mechanism, feeding agencies snatchs from the production line and waits to detect the electric core and place on the transport mechanism, transport mechanism transports electric core to jack-up mechanism department, jack-up mechanism pushes away utmost point ear, detection mechanism shoots the utmost point ear that pushes away again, and will shoot the photo after the photo and send to the computer end and carry out analysis count statistics, the sub utmost point ear of shooing out is clear visible, the computer statistics time can accurately calculate the quantity of sub utmost point ear, the electric core that detects the completion is transported to another feeding agencies department through the transport mechanism again, another feeding agencies will accomplish the electric core that detects and grab back the production line on through the feed opening, accomplish the electricity measurement of whole electric core. Through the material taking mechanism, the conveying mechanism, the jacking mechanism and the detection mechanism, the quantity of the gradually-changed lugs is accurately calculated, and the detection efficiency and accuracy of the gradually-changed lugs are improved.

Description

Electricity core homonymy gradual change utmost point ear detection device

Technical Field

The invention belongs to the technical field of automatic detection equipment, and relates to a detection device for a pole lug gradually changed on the same side of a battery cell.

Background

At present, the electronic technology is rapidly developed, the cost performance is higher and higher, and the performance of the battery is widely concerned. In recent years, with the wide popularization and development of communication technology, higher requirements are put on the technologies of battery capacity, safety, battery tab spacing, battery packaging and the like.

The tab is a raw material for producing lithium ion polymer battery products, and is needed to be used in mobile phone batteries, Bluetooth batteries, notebook batteries and the like used in life. The battery is divided into a positive electrode and a negative electrode, and the electrode lugs are metal conductors leading out the positive electrode and the negative electrode from the battery core. In the battery production process, need count the sub-utmost point ear quantity of two utmost point ears of electric core, and sub-utmost point ear has the condition of gradual change, the length of each electric core utmost point ear is different promptly, its sub-utmost point ear can appear the gradual change of length from short to long, the outline line of the sub-utmost point ear of gradual change overlaps together, detect to the sub-utmost point ear quantity of gradual change at present, basically all calculate the statistics by the mode of artifical number, rely on the mode of artifical detection, not only waste time and energy, the human cost is high, and artifical detection relies on the people's eye to see sub-utmost point ear, visual fatigue appears easily, there is the error in the detection result, etc..

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a detection device for a pole lug gradually changed on the same side of a battery cell, and the technical problems to be solved by the invention are that: how to improve the detection efficiency of the electrode lug gradually changed on the same side of the battery core.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a battery core homonymy gradual change utmost point ear detection device, includes:

the battery cell conveying device comprises a rack, a conveying mechanism and a control mechanism, wherein the rack is arranged on a production line for conveying battery cells and is provided with a feeding port and a discharging port;

the two material taking mechanisms are respectively arranged on the rack and are respectively positioned above the feeding port and the discharging port and used for grabbing the battery cell to be detected on the production line and grabbing the detected battery cell back to the production line;

the transportation mechanism is arranged on the rack and used for transporting the battery cell grabbed by the feeding mechanism;

the jacking mechanism is positioned on one side of the conveying mechanism and used for jacking the battery cell lugs to disperse the lugs, and the appearance outline of each sub-lug is clear and visible;

and the detection mechanism is positioned on one side of the jacking mechanism, which is far away from the transportation mechanism, and is used for photographing and detecting the battery core tab.

In a battery core homonymy gradual change utmost point ear detection device, extracting mechanism includes:

the bracket is arranged on the rack;

the first linear module is arranged on the bracket;

the second linear module is arranged at the output end of the first linear module;

the clamping hand is arranged at the output end of the second linear module and used for grabbing the battery cell; wherein,

the first straight line module and the second straight line module are vertically arranged.

In a battery cell homonymy gradual change utmost point ear detection device, the tong includes:

the connecting plate is arranged at the output end of the second linear module;

the clamping assembly is arranged on the bottom side of the connecting plate and comprises two L-shaped plates and a clamping cylinder which are arranged oppositely, the L-shaped plates are connected with the connecting plate in a sliding mode, and the pressing cylinder can drive the two L-shaped plates to move oppositely or back to back.

In the device for detecting the electrode lug gradually changed on the same side of the battery core, the clamping hand further comprises two groups of clamping assemblies, each clamping assembly comprises a clamping cylinder and a clamping block, the clamping cylinders are mounted on the inner sides of the L shapes, and the clamping blocks are mounted at the output ends of the clamping cylinders.

In a battery cell homonymy gradual change utmost point ear detection device, transport mechanism includes:

the support is arranged on the rack;

the two guide rails are arranged on the support in parallel;

the linear module is arranged on one side of the guide rail, and an output end of the linear module is provided with an installation plate;

two sets of transfer subassemblies, two sets of transfer subassembly interval is installed on the mounting panel, it is located two to transfer the subassembly between the guide rail for the electric core is transferred in the bearing.

In the above-mentioned electric core homonymy gradual change utmost point ear detection device, it includes to transfer the subassembly:

the pushing cylinder is arranged on the mounting plate;

the supporting plate is arranged at the output end of the pushing cylinder;

the two transfer blocks are fixedly connected to the supporting plate, arranged in parallel and located between the two guide rails, and two bearing blocks are arranged on the transfer blocks.

In the above-mentioned electric core homonymy gradual change utmost point ear detection device, jack-up mechanism includes:

the door-shaped frame is positioned on one side of the guide rail;

the jacking assembly comprises two jacking cylinders, the two jacking cylinders are respectively positioned below two polar lugs of the battery cell to be detected, and the output end of each jacking cylinder is provided with a jacking block;

the pressing assembly comprises a pressing cylinder, the pressing cylinder is mounted on the door-shaped frame, and the output end of the pressing cylinder is provided with a pressing plate; wherein,

the ejector block can jack up the lug upwards, and the pressing plate can compress the battery cell downwards.

In the above-mentioned electric core homonymy gradual change utmost point ear detection device, detection mechanism includes vision camera and light source, the light source install in on the door type frame, the vision camera is located one side that the guide rail was kept away from to the jack-up cylinder, the vision camera is used for shooing to utmost point ear to the photo after will shooing sends to the computer end and carries out analysis count statistics.

In the above apparatus for detecting electrode tabs gradually changed from the same side of an electrical core, the detection mechanism further includes a sliding assembly, the sliding assembly includes a base plate and an installation block, a sliding rail is disposed on the base plate, a sliding block is disposed on the bottom side of the installation block, the sliding block is connected to the sliding rail in a sliding manner, and the vision camera is installed on the installation block.

In the above-mentioned electric core gradual change utmost point ear detection device, detection device still includes alignment mechanism, alignment mechanism includes:

the alignment air cylinder is positioned on one side of the guide rail;

the guide block is arranged at the output end of the alignment cylinder;

the push plate is fixedly connected to the guide block;

the stop blocks are fixedly connected to the guide rail far away from the aligning cylinder, and the stop blocks are opposite to the push plate.

Compared with the prior art, the invention has the following advantages:

the detection device accurately calculates the quantity of the gradually-changed lugs through the material taking mechanism, the conveying mechanism, the jacking mechanism and the detection mechanism, and greatly improves the detection efficiency and accuracy of the gradually-changed lugs.

Drawings

FIG. 1 is a schematic view of the present inspection apparatus installed on a production line;

FIG. 2 is a schematic view of the present inspection apparatus with the take-off mechanism removed;

FIG. 3 is a schematic view of a take-off mechanism;

FIG. 4 is a schematic view of the structure of the gripper;

FIG. 5 is a schematic view of the transport mechanism;

FIG. 6 is a schematic view of the transfer assembly;

FIG. 7 is a schematic structural view of the jack-up mechanism;

FIG. 8 is a schematic view of the structure of the detecting mechanism;

FIG. 9 is a schematic view of the alignment mechanism mounted to the rail;

FIG. 10 is a schematic structural view of an alignment mechanism;

fig. 11 is a schematic structural diagram of a cell;

fig. 12 is a schematic diagram of a jacking mechanism to spread the cell tabs.

In the figure, 1, a frame; 2. a production line; 3. a feeding port; 4. a feeding port; 5. a material taking mechanism; 6. a transport mechanism; 7. a jack-up mechanism; 8. a detection mechanism; 9. a support; 10. a first linear module; 11. a second linear module; 12. clamping a hand; 13. a connecting plate; 14. an L-shaped plate; 15. a clamping cylinder; 16. a clamping cylinder; 17. a clamping block; 18. a support; 19. a guide rail; 20. a third linear module; 21. mounting a plate; 22. a transfer assembly; 23. a push cylinder; 24. a support plate; 25. a transfer block; 26. a bearing block; 27. a gantry frame; 28. jacking up the cylinder; 29. a top block; 30. a pressing cylinder; 31. pressing a plate; 32. a vision camera; 33. a light source; 34. a base plate; 35. mounting blocks; 36. a slide rail; 37. a slider; 38. aligning the cylinders; 39. a guide block; 40. pushing the plate; 41. a blocking block; 42. an electric core; 43. a tab; 44. and a sub-tab.

Detailed Description

The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the drawings, but the present invention is not limited to these embodiments.

It will be understood that the terms "upper," "lower," "front," "rear," "left," "right," "horizontal," "top," "inner," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and do 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 should not be considered as limiting the invention.

The terms "first", "second" and "third" 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, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features. In the description of the present invention, a "set" means two or more unless otherwise specified.

In the battery production process, the number of the sub-tabs 44 of the two tabs 43 of the battery cell 42 needs to be counted, and the sub-tabs 44 have a gradual change condition, that is, the length of each sub-tab 44 of the battery cell 42 is different, the sub-tabs 4429 have a gradual change from short to long, and the contour lines of the gradual change sub-tabs 44 overlap together.

Therefore, the embodiment of the present invention provides a device for detecting a battery gradually-changing tab 43, which accurately calculates the number of gradually-changing tabs 43 through the material taking mechanism 5, the transporting mechanism 6, the jacking mechanism 7 and the detecting mechanism 8, and greatly improves the detection efficiency and accuracy of the gradually-changing tab 43, and the following description and introduction will be made through a plurality of embodiments.

As shown in fig. 1 to 12, the detection device includes a rack 1, two material taking mechanisms 5, a transportation mechanism 6, a jacking mechanism 7 and a detection mechanism 8, wherein the rack 1 is arranged on a production line 2 for transporting electric cores 42, and the rack 1 is provided with a feeding port 3 and a discharging port 4; the two material taking mechanisms 5 are respectively arranged on the rack 1, and the two material taking mechanisms 5 are respectively positioned above the feeding port 3 and the discharging port 4 and are used for grabbing the battery cell 42 to be detected on the production line 2 and grabbing the detected battery cell 42 back to the production line 2; the transportation mechanism 6 is arranged on the rack 1, and the transportation mechanism 6 is used for transporting the battery cell 42 grabbed by the feeding mechanism; the jacking mechanism 7 is positioned at one side of the conveying mechanism 6, and the jacking mechanism 7 is used for jacking the gradually-changed tabs 43 of the battery cell 42 and jacking and scattering the tabs 43, so that the appearance outline of each sub-tab 44 is clear and visible; the detection mechanism 8 is located on one side of the jacking mechanism 7, which is far away from the transportation mechanism 6, and the detection mechanism 8 is used for photographing and detecting the electrode lug 43 of the battery cell 42.

In the detection device, the battery cell 42 is placed on a tray of the production line 2, wherein the material taking mechanism 5 picks the battery cell 42 to be detected from the production line 2 and places the battery cell 42 on the transportation mechanism 6, the transportation mechanism 6 transports the battery cell 42 to the jacking mechanism 7, because the tab 43 of the battery cell 42 is gradually changed, the jacking mechanism 7 jacks up and scatters the tab 43, each sub-tab 44 is clearly displayed, the detection mechanism 8 photographs the tab 43 scattered on the top, and the photographed pictures are sent to a computer terminal for analysis, counting and statistics, the photographed sub-tabs 44 are clear and visible, the number of the sub-tabs 44 can be accurately calculated by the computer system, the detected battery cell 42 is conveyed to another material taking mechanism 5 through the conveying mechanism 6, the detected battery cell 42 is grabbed back to the production line 2 through the feed opening 4 by the other material taking mechanism 5, and the electrical measurement of the whole battery cell 42 is completed. This detection device passes through transport mechanism 6, jack-up mechanism 7 and detection mechanism 8, and the quantity of gradual change utmost point ear 43 is calculated to the accuracy, has improved gradual change utmost point ear 43 detection efficiency and rate of accuracy greatly.

As shown in fig. 3, in the embodiment, the material taking mechanism 5 includes a bracket 9, a first linear module 10, a second linear module 11, and a gripper 12, and the bracket 9 is mounted on the frame 1; the first linear module 10 is mounted on the bracket 9; the second linear module 11 is installed at the output end of the first linear module 10; the clamping hand 12 is arranged at the output end of the second linear module 11, and the clamping hand 12 is used for grabbing the battery cell 42; the first linear module 10 and the second linear module 11 are vertically disposed. In this structure, first sharp module 10 is installed on support 9, second sharp module 11 is installed in the output of first sharp module 10, first sharp module 10 and the perpendicular setting of second sharp module 11, tong 12 sets up in the output of second sharp module 11, first sharp module 10 can be so that the electric core 42 of snatching realizes the ascending rectilinear motion of Y side, second sharp module 11 can be so that the electric core 42 of snatching realizes the rectilinear motion of Z side, consequently extracting mechanism 5 snatchs electric core 42 to transport mechanism 6 smoothly from production line 2 on.

As shown in fig. 4, in the present embodiment, the clamping arm 12 includes a connecting plate 13, a clamping assembly and a clamping assembly, and the connecting plate 13 is installed at the output end of the second linear module 11; the clamping assembly is arranged at the bottom side of the connecting plate 13 and comprises two L-shaped plates 14 and a clamping cylinder 15 which are arranged oppositely, the L-shaped plates 14 are connected with the connecting plate 13 in a sliding mode, and the pressing cylinder 30 can drive the two L-shaped plates 14 to move oppositely or oppositely; the clamping assembly comprises a clamping cylinder 16 and a clamping block 17, the clamping cylinder 16 is installed on the inner side of the L shape, and the clamping block 17 is installed at the output end of the clamping cylinder 16. In this structure, L-shaped plate 14 and connecting plate 13 sliding connection, it can drive two L-shaped plates 14 and move relatively or back to each other to compress tightly cylinder 30, when needing to snatch electric core 42, two L-shaped plates 14 that set up relatively move under the drive that compresses tightly cylinder 30 from the both ends of electric core 42, press from both sides electric core 42 in two L-shaped plates 14, and centre gripping cylinder 16 installs in the L-shaped inboard, grip block 17 installs in the output of centre gripping cylinder 16, behind two L-shaped plates 14 centre gripping electric core 42, grip cylinder 16 drive grip block 17 compresses tightly electric core 42, make when tong 12 snatchs electric core 42 firm nature, prevent that electric core 42 from dropping.

As shown in fig. 5-6, in the present embodiment, the transportation mechanism 6 includes a support 18, two guide rails 19, a third linear module 20 and two sets of transfer assemblies 22, wherein the support 18 is disposed on the frame 1; the two guide rails 19 are arranged on the support 18 in parallel; the third linear module 20 is arranged at one side of the guide rail 19, and the output end of the linear module is provided with an installation plate 21; the two groups of transferring assemblies 22 are mounted on the mounting plate 21 at intervals, and the transferring assemblies 22 are located between the two guide rails 19 and used for supporting and transferring the battery cells 42. In the structure, at an initial position, the first group of transfer assemblies 22 is located at the front end of the guide rail 19, the second group of transfer assemblies 22 is located in the middle of the guide rail 19, that is, opposite to the detection mechanism 8, the to-be-detected battery cell 42 grabbed from the production line 2 is placed on the first group of transfer assemblies 22, the third linear module 20 drives the first group of transfer assemblies 22 to convey the to-be-detected battery cell 42 to the middle of the guide rail 19, the second transfer assemblies 22 is located at the rear end of the guide rail 19 and reaches a second position, the jacking mechanism 7 disperses the sub-tabs 44, and the detection mechanism 8 can detect, shoot and count the battery cell 42; at this moment, third straight line module 20 returns, be in the initial position, snatch new wait to detect electric core 42 to the first group on production line 2 again and transfer subassembly 22, and be located that the electric core 42 that the middle part detected to accomplish is in the second group and transfer subassembly 22 on, third straight line module 20 drives first group and transfers subassembly 22 to transport new wait to detect electric core 42 to the guide rail 19 middle part, the second group removes the subassembly and transports the electric core 42 that detects to accomplish to the rear end of guide rail 19 simultaneously, rethread manipulator or other modes snatch the electric core 42 that detects to production line 2 on, go round and go round, realize the continuous transportation of electric core 42 and detect, transport and detect electric core 42 through third straight line module 20 and two groups of transfer subassembly 22 continuously, electric core 42's transportation and detection efficiency have been improved greatly.

As shown in fig. 6, in the present embodiment, the transfer assembly 22 includes a push cylinder 23, a pallet 24 and two transfer blocks 25, the push cylinder 23 being mounted on the mounting plate 21; the supporting plate 24 is arranged at the output end of the pushing cylinder 23; the two transfer blocks 25 are fixedly connected to the supporting plate 24, the two transfer blocks 25 are arranged in parallel and are positioned between the two guide rails 19, and the two bearing blocks 26 are arranged on the transfer blocks 25. In this structure, when initial position, snatch the electric core 42 that awaits measuring to guide rail 19, promote cylinder 23 jack-up layer board 24 that makes progress, layer board 24 rebound drives and transfers piece 25 rebound, transfer piece 25 jack-up bearing electric core 42, electric core 42 breaks away from guide rail 19, third straight line module 20 drives electric core 42 again and transports to the second position, promote cylinder 23 and fall back, transfer piece 25 breaks away from with electric core 42, electric core 42 falls on guide rail 19, third straight line module 20 drives again and transfers subassembly 22 and return to initial position, go round and go round, realize the continuous transportation of electric core 42.

As shown in fig. 7, in the present embodiment, the jacking mechanism 7 includes a gate frame 27, a jacking assembly and a pressing assembly, the gate frame 27 is located at one side of the guide rail 19; the jacking assembly comprises two jacking cylinders 28, the two jacking cylinders 28 are respectively positioned below two polar lugs 43 of the electric core 42 to be detected, and the output ends of the jacking cylinders 28 are provided with jacking blocks 29; the pressing assembly comprises a pressing cylinder 30, the pressing cylinder 30 is installed on the door-shaped frame 27, and the output end of the pressing cylinder 30 is provided with a pressing plate 31; the top block 29 can jack up the tab 43 upwards, and the pressing plate 31 can press the battery cell 42 downwards. In this structure, the air cylinder 30 that compresses tightly on the door type frame 27 promotes the briquetting and compresses tightly electric core 42 downwards, and two jacking cylinders 28 promote two utmost point ears 43 of ejecting block 29 jack-up electric core 42 upwards respectively, because the briquetting compresses tightly electric core 42 downwards, ejecting block 29 jack-up utmost point ear 43 upwards, and the sub utmost point ear 44 of gradual change just can disperse, and its edge profile is clear visible, and the detection mechanism 8 of being convenient for detects.

As shown in fig. 2 and 8, in the present embodiment, the detecting mechanism 8 includes a vision camera 32 and a light source 33, the light source 33 is installed on the gantry 27, the vision camera 32 is located on a side of the jacking cylinder 28 away from the guide rail 19, and the vision camera 32 is configured to take a picture of the sub-tab 44, and send the taken picture to a computer for analysis, counting and statistics. The light source 33 can illuminate the detection mechanism 8 when taking a picture, so that the taken picture can be more clearly seen.

As shown in fig. 8, in this embodiment, the detection mechanism 8 further includes a sliding assembly, the sliding assembly includes a backing plate 34 and a mounting block 35, a sliding rail 36 is disposed on the backing plate 34, a sliding block 37 is disposed on a bottom side of the mounting block 35, the sliding block 37 is slidably connected to the sliding rail 36, and the vision camera 32 is mounted on the mounting block 35. In the structure, the slide block 37 is connected to the slide rail 36 in a sliding manner, so that the vision camera 32 installed on the installation block 35 takes pictures right ahead of the two tabs 43 of the electric core 42, the shot pictures are ensured to be error-free, and the accuracy of the gradually-changed tabs 43 is ensured.

As shown in fig. 9-10, in this embodiment, the detecting device further includes an alignment mechanism, the alignment mechanism includes an alignment cylinder 38, a guide block 39, a push plate 40 and a plurality of block stoppers 41, the alignment cylinder 38 is located at one side of the guide rail 19; a guide block 39 is mounted at the output end of the alignment cylinder 38; the push plate 40 is fixedly connected to the guide block 39; a plurality of stop blocks 41 are fixedly attached to the guide rail 19 remote from the alignment cylinder 38, the plurality of stop blocks 41 being opposite the push plate 40. The lower end surface of the push plate 40 is higher than the upper end surface of the guide rail 19. Specifically, the number of the blocking pieces 41 is three, and the three blocking pieces 41 are arranged at intervals and are all opposite to the push plate 40. In the structure, the manipulator grabs the battery cell 42 from the production line 2 and places the battery cell 42 to be detected on the guide rail 19, the guide block 39 is pushed by the cylinder, the guide block 39 pushes the push plate 40, the push plate 40 pushes the battery cell 42 again, because the plurality of blocking blocks 41 are fixedly connected on the guide rail 19 far away from the cylinder, the plurality of blocking blocks 41 are opposite to the push plate 40, the plurality of blocking blocks 41 block the battery cell 42, the battery cell 42 which is inclined to the guide rail 19 is grabbed, one side of the battery cell 42 is pushed by the push plate 40, the other side is blocked by the blocking block 41, therefore, the guide rail 19 can be completely aligned, the battery cell 42 after aligning the guide rail 19 is conveyed to the middle part of the guide rail 19 through the battery cell 42 conveying mechanism 6, and the battery cell 42 detecting device detects the tab 43 of the battery cell 42. Through promoting push plate 40 to its cylinder, push plate 40 promotes electric core 42 and compresses tightly stopper 41, can realize that electric core 42 aligns guide rail 19 completely, has improved alignment efficiency greatly, improves electric core 42 utmost point ear 43 and detects the rate of accuracy.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. The utility model provides a battery core homonymy gradual change utmost point ear detection device which characterized in that includes:

the battery cell conveying device comprises a rack (1), wherein the rack (1) is arranged on a production line (2) for conveying battery cells (42), and a feeding port (3) and a discharging port (4) are arranged on the rack (1);

the two material taking mechanisms (5) are respectively arranged on the rack (1), and the two material taking mechanisms (5) are respectively positioned above the feeding opening (3) and the discharging opening (4) and are used for grabbing the battery cell (42) to be detected on the production line (2) and grabbing the detected battery cell (42) back to the production line (2);

the conveying mechanism (6), the conveying mechanism (6) is installed on the rack (1), and the conveying mechanism (6) is used for conveying the battery cores (42) grabbed by the feeding mechanism;

the jacking mechanism (7) is positioned on one side of the conveying mechanism (6), and the jacking mechanism (7) is used for jacking the lugs (43) of the battery cell (42) and jacking and scattering the lugs (43) so that the appearance contour of each sub-lug (44) is clear and visible;

detection mechanism (8), detection mechanism (8) are located jack-up mechanism (7) is kept away from one side of transport mechanism (6), detection mechanism (8) are used for shooing electric core (42) utmost point ear (43) and detect.

2. The device for detecting the pole lug gradually changed on the same side as the battery cell of claim 1, wherein the material taking mechanism (5) comprises:

the support (9), the said support (9) is mounted on framework (1);

the first linear module (10), the said first linear module (10) is mounted on support (9);

the second straight line module (11), the said second straight line module (11) is mounted to the output end of the said first straight line module (10);

the clamping hand (12), the clamping hand (12) is arranged at the output end of the second linear module (11), and the clamping hand (12) is used for grabbing the battery cell (42); wherein,

the first straight line module (10) and the second straight line module (11) are vertically arranged.

3. The device for detecting the pole lug gradually changed on the same side as the battery cell of claim 2, wherein the clamping handle (12) comprises:

the connecting plate (13), the said connecting plate (13) is mounted to the output end of the said second straight line die set (11);

the clamping assembly is arranged on the bottom side of the connecting plate (13) and comprises two L-shaped plates (14) and a clamping cylinder (15) which are arranged oppositely, the L-shaped plates (14) are connected with the connecting plate (13) in a sliding mode, and the pressing cylinder (30) can drive the two L-shaped plates (14) to move oppositely or back to back.

4. The device for detecting the electrode lug gradually changed on the same side of the battery core as in claim 3, wherein the clamping arm (12) further comprises two groups of clamping assemblies, each clamping assembly comprises a clamping cylinder (16) and a clamping block (17), the clamping cylinder (16) is installed on the inner side of the L shape, and the clamping block (17) is installed at the output end of the clamping cylinder (16).

5. The device for detecting the battery cell same-side gradual-change tabs according to claim 1, wherein the transportation mechanism (6) comprises:

the support (18), the said support (18) is set up on the framework (1);

the two guide rails (19) are arranged on the support (18) in parallel;

the third linear module (20) is mounted on one side of the guide rail (19), and an output end of the third linear module (20) is provided with a mounting plate (21);

the battery cell transferring device comprises two groups of transferring assemblies (22), wherein the two groups of transferring assemblies (22) are arranged on a mounting plate (21) at intervals, and the transferring assemblies (22) are positioned between the two guide rails (19) and used for supporting and transferring battery cells (42).

6. The device for detecting the pole lug gradually changed on the same side as the battery cell as recited in claim 5, wherein the transfer assembly (22) further comprises:

the pushing cylinder (23), the pushing cylinder (23) is installed on the installation plate (21);

the supporting plate (24), the supporting plate (24) is installed at the output end of the pushing cylinder (23);

the two conveying blocks (25) are fixedly connected to the supporting plate (24), the two conveying blocks (25) are arranged in parallel and located between the two guide rails (19), and the two conveying blocks (25) are provided with two bearing blocks (26).

7. The device for detecting the pole lug gradually changed on the same side as the battery core as recited in claim 1, wherein the jacking mechanism (7) comprises:

a gate frame (27), the gate frame (27) being located at one side of the guide rail (19);

the jacking assembly comprises two jacking cylinders (28), the two jacking cylinders (28) are respectively positioned below two tabs (43) of the battery core (42) to be detected, and the output end of each jacking cylinder (28) is provided with a jacking block (29);

the pressing assembly comprises a pressing cylinder (30), the pressing cylinder (30) is installed on the door-shaped frame (27), and the output end of the pressing cylinder (30) is provided with a pressing plate (31); wherein,

the jacking block (29) can jack up the pole lug (43) upwards, and the pressing plate (31) can press the battery cell (42) downwards.

8. The device for detecting the pole lug gradually changed on the same side of the battery core as in claim 7, wherein the detection mechanism (8) comprises a visual camera (32) and a light source (33), the light source (33) is installed on the portal frame (27), the visual camera (32) is located on one side, away from the guide rail (19), of the jacking cylinder (28), and the visual camera (32) is used for taking a picture of the pole lug (44) and sending the taken picture to a computer for analysis, counting and statistics.

9. The device for detecting the pole lug gradually changed on the same side of the battery core as in claim 8, wherein the detection mechanism (8) further comprises a sliding assembly, the sliding assembly comprises a backing plate (34) and a mounting block (35), a sliding rail (36) is arranged on the backing plate (34), a sliding block (37) is arranged on the bottom side of the mounting block (35), the sliding block (37) is connected to the sliding rail (36) in a sliding manner, and the vision camera (32) is mounted on the mounting block (35).

10. The device for detecting the pole lug gradually changed on the same side as the battery core of claim 5, wherein the device further comprises an alignment mechanism, and the alignment mechanism comprises:

an alignment cylinder (38), the alignment cylinder (38) being located on one side of the guide rail (19);

a guide block (39), the guide block (39) being mounted to an output end of the alignment cylinder (38);

the push plate (40), the said push plate (40) is fixedly connected to said guide block (39);

the blocking blocks (41) are fixedly connected to the guide rail (19) far away from the aligning air cylinder (38), and the blocking blocks (41) are opposite to the push plate (40).