CN210775023U

CN210775023U - Electrode lug rubberizing and tension detection structure of solid or liquid lithium-sulfur battery cell

Info

Publication number: CN210775023U
Application number: CN201921320178.9U
Authority: CN
Inventors: 周燕维
Original assignee: Qingdao Jiuhuan Xinyue New Energy Technology Co ltd; Dongguan Redwood Cotton Electronic Technology Co ltd
Current assignee: Qingdao Jiuhuan Xinyue New Energy Technology Co ltd; Dongguan Redwood Cotton Electronic Technology Co ltd
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-06-16
Anticipated expiration: 2029-08-14

Abstract

The utility model belongs to the technical field of the check out test set technique and specifically relates to indicate utmost point ear rubberizing and pulling force detection structure of solid-state or liquid lithium sulphur battery electricity core, it includes that slide rail base, slip set up removal frame, slip on slide rail base and set up on removing the frame and be used for detecting electric core utmost point ear's welding performance's pulling force detection device and set up on removing the frame and be used for detecting whether rubberizing of electric core and whether rubberizing detection device of rubberizing dislocation. The utility model discloses can detect anodal ear and the negative pole ear of electric core in proper order in real time, automatically, pulling force detection device carries out pulling force and detects and upload data, and data upload the host computer and carry out the data contrast, and the bad article of affirming when uploading data and being less than predetermined pulling force numerical value promptly for welding is then rejected and reports to the police by external manipulator, the utility model discloses can also detect out utmost point ear hourglass rubberizing or the electric core of rubberizing dislocation and reject it and send the warning, improve the yields of electric core, eliminate the potential safety hazard.

Description

Electrode lug rubberizing and tension detection structure of solid or liquid lithium-sulfur battery cell

Technical Field

The utility model belongs to the technical field of the check out test set technique and specifically relates to indicate a utmost point ear rubberizing and pulling force of solid-state or liquid lithium sulphur battery electricity core detect structure.

Background

The traditional welding machine does not have the function of detecting the positive and negative lugs of the battery cell in a cold joint mode, so that the performance and safety of finished batteries are greatly influenced after poor-welding battery cells flow into a post process, the yield is low, and great potential safety hazards exist.

In the process of welding the positive electrode lug and the negative electrode lug of the battery cell, a welding point is easy to form a molten welding point, the welding point is easy to puncture a diaphragm, a protective tape is required to be pasted at the welding point for insulation protection, the protective tape can cover the welding point of the electrode lug and the shearing edge of the electrode lug, and the welding and shearing part of the electrode lug is protected.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a utmost point ear rubberizing and pulling force of solid-state or liquid lithium sulphur battery electricity core detect the structure, can detect out utmost point ear bad electric core of welding and reject it, can also detect out the electric core that utmost point ear leaks the rubberizing or the rubberizing dislocation simultaneously and reject it, improve the yields of electric core, eliminate the potential safety hazard.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a utmost point ear rubberizing and pulling force of solid-state or liquid lithium sulphur battery electricity core detect structure, its includes the slide rail base, still sets up removal frame, the pulling force detection device that sets up on removing the frame and be used for detecting the welding performance of electric core utmost point ear including sliding on the slide rail base and sets up and be used for detecting whether rubberizing and rubberizing detection device whether the rubberizing dislocation of electric core on removing the frame.

Furthermore, the tension detection device comprises a first sliding seat arranged on the movable frame in a sliding manner, a second sliding seat arranged on the movable frame in a sliding manner, a clamping assembly arranged on the first sliding seat and used for clamping the battery cell tab, a tension detection component arranged on the second sliding seat and connected with the clamping assembly, and a first driving assembly arranged on the movable frame and used for driving the second sliding seat to move.

Further, the centre gripping subassembly is including setting up in the centre gripping driver part of first sliding seat, rotating two clamps that set up on the centre gripping driver part and inlaying two flexible components on two clamps respectively, centre gripping driver part is used for ordering about two clamps and is close to each other or keep away from each other, and two flexible components are located one side that two clamps are close to each other, and two flexible components contradict the both sides of electric core utmost point ear respectively.

Further, the first driving assembly comprises a rotation driving part arranged on the moving frame, a first rotating wheel in driving connection with the rotation driving part, a second rotating wheel arranged on the moving frame in rotating mode, a rotating shaft in driving connection with the second rotating wheel, and a transmission part sleeved on the first rotating wheel and the second rotating wheel, one end, far away from the second rotating wheel, of the rotating shaft penetrates through the second sliding seat, the rotating shaft is used for driving the second sliding seat to move, and the rotating shaft and the second rotating wheel are coaxially arranged.

Further, the first driving assembly further comprises an outer cover used for covering the first rotating wheel, the second rotating wheel and the transmission component.

Furthermore, the rubberizing detection device comprises a fixed part fixed on the movable frame and a rubberizing detection part rotatably arranged on the fixed part.

Furthermore, the rubberizing detection part is provided with a convex column, the fixing part is provided with an arc hole, and the convex column is located in the arc hole.

Furthermore, a second driving assembly in driving connection with the moving frame is arranged on the sliding rail base.

Further, utmost point ear rubberizing and pulling force detect structure still includes displacement detection device, displacement detection device is including setting up in the lug of second sliding seat, setting up in the removal track that removes the frame and slide and set up a plurality of displacement detection parts on removing the track, displacement detection part is equipped with the notch, the one end of lug stretches into in the notch.

Further, two the flexible component all is equipped with the arc convex surface, and the arc convex surface is located one side that two flexible components are close to each other, and the arc convex surface is used for conflicting electric core utmost point ear.

The utility model has the advantages that: when the application is used for detecting the tension of the lug of the battery cell, the movable frame moves to enable the tension detection device to be accurately positioned with the lug of the battery cell, the tension detection device performs tension detection on the lug of the battery cell after the positioning is completed, the tension value is simultaneously uploaded to the PLC control system for data matching, the tension detection device stops working when the tension value reaches the preset tension value, the lug is intact, the battery cell is good, false welding is not firm if the preset tension value cannot be pulled out, the battery cell is a bad product, meanwhile, the rubberizing detection is performed on the same lug of the same battery cell by a plurality of rubberizing detection devices, the battery cell is generally provided with a positive lug and a negative lug, the tension detection and the rubberizing detection of the positive lug can be completed firstly, the tension detection and the rubberizing detection are performed on the negative lug, otherwise, the tension detection and the rubberizing detection devices are positioned with the positive lug or the negative lug of the battery cell by adjusting the displacement of the movable frame, the bad product that detects out poor welding then is rejected alone and sends the warning by external manipulator, remind operating personnel to inspect the bonding tool of welding machine, the bad product that detects out the hourglass rubberizing then is rejected alone and sends the warning by external manipulator, remind operating personnel to detect external rubberizing mechanism, this application can be in real time, automatically detect positive ear and the negative pole ear of electric core in proper order, pulling force detection device carries out pulling force detection and upload data, data upload PLC control system carries out the data contrast, confirm when uploading data is less than predetermined pulling force numerical value that bad product of welding then is rejected and reports to the police by external manipulator, this application can also detect out electric core that utmost point ear leaks rubberizing or rubberizing dislocation and reject it and send the warning, improve the yields of electric core, eliminate the potential safety hazard.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic structural view of another view angle of the present invention.

Fig. 3 is a schematic structural diagram of another view angle of the present invention.

Fig. 4 is the structure diagram of the slide rail base, the movable frame, the rubberizing detection component, the second sliding seat, the outer cover and the second driving assembly of the present invention.

Fig. 5 is a sectional view taken along a-a in fig. 4.

Fig. 6 is a partially enlarged structural view of a portion B in fig. 4.

Fig. 7 is a schematic view of the local exploded structure of the hidden slide rail base and the hidden second driving assembly of the present invention.

Fig. 8 is a schematic structural view of the two rubberizing detecting components of the present invention in an open state.

Description of reference numerals:

1-a slide rail base; 11-a second drive assembly; 2-a moving rack; 3-a tension detection device; 31-a first sliding seat; 32-a second sliding seat; 33-a clamping assembly; 331-a clamp drive member; 332-a clamp; 333-a flexible member; 34-a tension detecting member; 35-a first drive assembly; 351-a rotation driving member; 352-first wheel; 353-a second wheel; 354-rotating shaft; 355-a transmission component; 356-outer cover; 4-rubberizing detection means; 41-a stationary part; 411-arc hole; 42-rubberizing detection means; 421-convex column; 5-displacement detection means; 51-a tab; 52-moving track; 53-displacement detection means; 531-notch.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1 to fig. 8, the utility model provides a pair of utmost point ear rubberizing and pulling force detection structure of solid-state or liquid lithium sulphur battery electricity core, it includes slide rail base 1, still sets up removal frame 2, slip on slide rail base 1 and sets up on removing frame 2 and be used for detecting electric core utmost point ear whether weld firm pulling force detection device 3 and set up on removing frame 2 and be used for detecting whether rubberizing of electric core and rubberizing detection device 4 whether the rubberizing dislocation.

In practical application, the plurality of rubberizing detecting devices 4 are respectively located at the upper side and the lower side of the tension detecting device 3, as shown in fig. 3, the rubberizing detecting devices 4 and the tension detecting device 3 are located on the same vertical plane; the PLC control system is a programmable logic controller, is specially designed for industrial production and is an electronic device for digital operation, and common automation equipment is provided with the PLC control system; when carrying out tension detection to the utmost point ear of electricity core, remove frame 2 and remove and make tension detection device 3 carry out accurate location with the utmost point ear of electricity core, tension detection device 3 carries out tension detection to the utmost point ear of electricity core after accomplishing the location, tension numerical value uploads PLC control system simultaneously and carries out data matching right, tension detection device 3 stop work when tension numerical value reaches predetermined tension numerical value, utmost point ear is intact this moment, this electricity core is the yields, if can't pull out predetermined tension numerical value then for the welding not firm rosin joint produces, this electricity core is bad product, simultaneously a plurality of rubberizing detection device 4 carries out rubberizing detection to same utmost point ear of same electricity core, usually the electricity core is equipped with positive pole ear and negative pole ear, can accomplish the tension detection and the rubberizing detection of positive pole ear earlier, again carry out tension detection and rubberizing detection to the negative pole ear, otherwise also can, make detection device 3 and rubberizing detection device 4 and the positive pole ear or the negative pole ear of electricity core decide the gum and decide the detection through the displacement of adjusting frame 2 When a bad product with poor welding is detected, the bad product is independently removed by an external manipulator and an alarm is given out, an operator is reminded to check a welding head of the welding machine, when a bad product with adhesive leakage or adhesive dislocation is detected, the bad product is independently removed by the external manipulator and an alarm is given out, and the operator is reminded to detect an external adhesive attaching mechanism; the detection device can be used for sequentially detecting the positive electrode lug and the negative electrode lug of the battery cell in real time and automatically, the tension detection device 3 is used for performing tension detection and uploading data, the data are uploaded to a PLC control system for data comparison, and when the uploaded data are lower than a preset tension value, bad products which are determined to be poor in welding are removed by an external manipulator and are alarmed; this application can be in real time, automatically, detect positive ear and the negative pole ear of electric core in proper order, pulling force detection device 3 carries out pulling force detection and uploads data, the PLC control system that uploads carries out the data contrast, deem that the bad article of welding is then rejected and reports to the police by external manipulator when uploading data and being less than predetermined pulling force numerical value promptly, this application can also detect out the electric core of utmost point ear hourglass rubberizing or rubberizing dislocation and reject it and send the warning, improve the yields of electric core, eliminate the potential safety hazard.

In this embodiment, the tension detection device 3 includes a first sliding seat 31 slidably disposed on the moving frame 2, a second sliding seat 32 slidably disposed on the moving frame 2, a clamping assembly 33 disposed on the first sliding seat 31 and used for clamping a battery cell tab, a tension detection component 34 disposed on the second sliding seat 32 and connected to the clamping assembly 33, and a first driving assembly 35 disposed on the moving frame 2 and used for driving the second sliding seat 32 to move; the first sliding seat 31 and the second sliding seat 32 are designed in parallel; preferably, the tension detecting member 34 may be a photoelectric sensor. The clamping assembly 33 includes a clamping driving part 331 disposed on the first sliding seat 31, two clamps 332 rotatably disposed on the clamping driving part 331, and two flexible parts 333 respectively embedded in the two clamps 332, where the clamping driving part 331 is configured to drive the two clamps 332 to approach or move away from each other, the two flexible parts 333 are located at one side where the two clamps 332 approach each other, and the two flexible parts 333 respectively abut against two sides of the cell tab; preferably, the clamping assembly 33 may be a finger cylinder, and the flexible member 333 may be made of a flexible adhesive material, so as to prevent deformation of the tab clamp when clamping a tab of an electrical core, and also prevent slipping when clamping the tab, thereby improving the tension detection precision. The first driving assembly 35 includes a rotation driving part 351 disposed on the moving frame 2, a first rotating wheel 352 drivingly connected to the rotation driving part 351, a second rotating wheel 353 rotationally disposed on the moving frame 2, a rotating shaft 354 drivingly connected to the second rotating wheel 353, and a transmission part 355 sleeved on the first rotating wheel 352 and the second rotating wheel 353, wherein one end of the rotating shaft 354, which is away from the second rotating wheel 353, is inserted into the second sliding seat 32, the rotating shaft 354 is used for driving the second sliding seat 32 to make a linear motion, and the rotating shaft 354 and the second rotating wheel 353 are coaxially disposed; preferably, the transmission part 355 is a transmission belt or a transmission chain; the rotation driving member 351 is a high-precision servo motor. The first driving assembly 35 further includes a cover 356 for covering the first rotating wheel 352, the second rotating wheel 353 and the transmission member 355, wherein the cover 356 can prevent dust and foreign objects from entering, and protect the first rotating wheel 352, the second rotating wheel 353 and the transmission member 355, so that the machine can operate smoothly. Specifically, as shown in fig. 2, 4 and 5, when the tab of the battery cell is subjected to tension detection, the clamping driving part 331 drives the two clamps 332 to rotate and open away from each other, and simultaneously the two flexible parts 333 are also rotated and opened away from each other along with the two clamps 332, the rotating driving part 351 drives the first rotating wheel 352, the second rotating wheel 353 and the transmission part 355 to rotate in the same direction, the rotating shaft 354 rotates along with the rotation of the second rotating wheel 353, the rotating shaft 354 drives the second sliding seat 32 to move linearly towards the left, so that the tab of the battery cell protrudes into between the two flexible parts 333, then the clamping driving part 331 drives the two clamps 332 to rotate and close to each other, and simultaneously the two flexible parts 333 are also driven to close to each other along with the rotation of the two clamps 332, so that the two flexible parts 333 clamp the tab of the battery cell, and then the rotating driving part 351 drives the first, Second runner 353 and drive disk assembly 355 rotate towards same reverse direction for be located second sliding seat 32 and pulling force detection part 34 and do the rectilinear movement of certain distance towards the right side simultaneously, pulling force that the utmost point ear bore is detected to pulling force detection part 34 at this in-process, and feed back pulling force numerical value to PLC control system, PLC control system carries out numerical value to the back, judge whether the welding of electric core utmost point ear is qualified, bad article when detecting out the welding then are rejected alone and send the warning by external manipulator, improve the yields of electric core, eliminate the potential safety hazard.

Preferably, two of the flexible members 333 are provided with arc convex surfaces, the arc convex surfaces are located on one sides where the two flexible members 333 are close to each other, and the arc convex surfaces of the two flexible members 333 are used for respectively abutting against two sides where the battery cell tabs are far away from each other, so that compared with the situation that the corners of the flexible members 333 abut against the battery cell tabs, the risk that the battery cell tabs are scratched by the flexible members 333 is reduced.

In this embodiment, the sticking detection device 4 includes a fixing member 41 fixed to the moving frame 2 and a sticking detection member 42 rotatably provided to the fixing member 41; preferably, the rubberizing detecting means 42 may be a color scale sensor. The rubberizing detection part 42 is provided with a convex column 421, the fixing part 41 is provided with an arc hole 411, and the convex column 421 is located in the arc hole 411. Specifically, as shown in fig. 7 and 8, carry out the rubberizing to the utmost point ear of electric core and detect time measuring, after electric core transported to the detection position via external transport mechanism, rubberizing detection part 42 began to work, rejected and sent the warning alone by external manipulator when detecting out the defective products of leaking the rubberizing, reminds operating personnel to detect external rubberizing mechanism, improves the yields of electric core, eliminates the potential safety hazard, arc hole 411 and convex column 421 control rubberizing detection part 42 rotate the angle of certain limit to the adaptation detects electric core of different sizes, improves the practicality.

In this embodiment, the slide rail base 1 is provided with a second driving assembly 11 in driving connection with the moving frame 2; preferably, the second driving assembly 11 may be a motor, and the second driving assembly 11 is configured to drive the moving frame 2 to perform linear displacement, so that the clamping assembly 33 of the tension detecting device 3 and the tab of the battery cell are accurately positioned, and the rubberizing detecting component 42 and the tab of the battery cell are also accurately positioned, thereby improving the precision of the tension detection and the rubberizing detection.

In this embodiment, the tab gluing and tension detecting structure further includes a displacement detecting device 5, the displacement detecting device 5 includes a protruding piece 51 disposed on the second sliding seat 32, a moving rail 52 disposed on the moving frame 2, and a plurality of displacement detecting members 53 slidably disposed on the moving rail 52, the displacement detecting members 53 are provided with a notch 531, and one end of the protruding piece 51 protrudes into the notch 531. When the second sliding seat 32 moves, the lug 51 moves along with the movement, distances among the displacement detection parts 53 are set, when the lug 51 passes through the notch 531 of one displacement detection part 53, the displacement detection part 53 collects information, when the lug 51 passes through the notch 531 of the other displacement detection part 53, the other displacement detection part 53 collects information, the displacement detection parts 53 all feed back the information to the PLC control system, and the PLC control system counts the displacement distance of the second sliding seat 32, so that the detection precision is improved.

All the technical features in the embodiment can be freely combined according to actual needs.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims

1. The utility model provides a utmost point ear rubberizing and pulling force of solid-state or liquid lithium sulphur battery electricity core detect structure, includes the slide rail base, its characterized in that: still set up removal frame, slip on the slide rail base including sliding, set up on removing the frame and be used for detecting electric core utmost point ear's welding performance's pulling force detection device and set up on removing the frame and be used for detecting whether rubberizing of electric core and whether rubberizing detection device of rubberizing dislocation.

2. The tab rubberizing and tension detecting structure of the solid or liquid lithium-sulfur battery cell according to claim 1, wherein: the tension detection device comprises a first sliding seat arranged on the movable frame in a sliding mode, a second sliding seat arranged on the movable frame in a sliding mode, a clamping assembly arranged on the first sliding seat and used for clamping a battery cell tab, a tension detection component arranged on the second sliding seat and connected with the clamping assembly, and a first driving assembly arranged on the movable frame and used for driving the second sliding seat to move.

3. The tab rubberizing and tension detecting structure of the solid or liquid lithium-sulfur battery cell according to claim 2, wherein: the centre gripping subassembly sets up two clamps on the centre gripping drive assembly and inlays two flexible component on two clamps respectively including setting up in the centre gripping drive assembly of first sliding seat, rotating, the centre gripping drive assembly is used for ordering about two clamps and is close to each other or keep away from each other, and two flexible component are located one side that two clamps are close to each other, and two flexible component contradict the both sides of electric core utmost point ear respectively.

4. The tab rubberizing and tension detecting structure of the solid or liquid lithium-sulfur battery cell according to claim 3, wherein: the first driving assembly comprises a rotating driving part, a first rotating wheel, a second rotating wheel, a rotating shaft and a transmission part, wherein the rotating driving part is arranged on the moving frame, the first rotating wheel is connected with the rotating driving part in a driving mode, the second rotating wheel is arranged on the moving frame in a rotating mode, the rotating shaft is connected with the second rotating wheel in a driving mode, the transmission part is sleeved on the first rotating wheel and the second rotating wheel, one end, far away from the second rotating wheel, of the rotating shaft penetrates through the second sliding seat, the rotating shaft is used for driving the second sliding seat to move, and the rotating.

5. The tab rubberizing and tension detecting structure of the solid or liquid lithium-sulfur battery cell according to claim 4, wherein: the first drive assembly further includes an outer cover for covering the first wheel, the second wheel and the transmission member.

6. The tab rubberizing and tension detecting structure of the solid or liquid lithium-sulfur battery cell according to claim 1, wherein: the rubberizing detection device comprises a fixed part fixed on the movable frame and a rubberizing detection part rotatably arranged on the fixed part.

7. The tab rubberizing and tension detecting structure of the solid or liquid lithium-sulfur battery cell according to claim 6, wherein: the rubberizing detection part is provided with a convex column, the fixing part is provided with an arc hole, and the convex column is located in the arc hole.

8. The tab rubberizing and tension detecting structure of the solid or liquid lithium-sulfur battery cell according to claim 1, wherein: and a second driving assembly in driving connection with the movable frame is arranged on the slide rail base.

9. The tab rubberizing and tension detecting structure of the solid or liquid lithium-sulfur battery cell according to claim 2, wherein: utmost point ear rubberizing and pulling force detect structure still includes displacement detection device, displacement detection device is including setting up in the lug of second sliding seat, setting up in the removal track of removing the frame and slide and set up a plurality of displacement detection parts on removing the track, displacement detection part is equipped with the notch, the one end projection of lug is gone into in the notch.

10. The tab rubberizing and tension detecting structure of the solid or liquid lithium-sulfur battery cell according to claim 3, wherein: two the flexible component all is equipped with the arc convex surface, and the arc convex surface is located one side that two flexible components are close to each other, and the arc convex surface is used for conflicting electric core utmost point ear.