CN220111676U

CN220111676U - Automatic OCV test machine for square lithium battery

Info

Publication number: CN220111676U
Application number: CN202320683034.XU
Authority: CN
Inventors: 黄金成
Original assignee: Boster Seiko Technology Suzhou Co ltd
Current assignee: Boster Seiko Technology Suzhou Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-12-01
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses an automatic OCV (open circuit voltage) testing machine for square lithium batteries, which comprises a frame, a workbench, a feeding conveying mechanism, a scanning mechanism, a testing mechanism, a transplanting mechanism, a transfer conveying mechanism, a screening mechanism, a good product conveying mechanism and a defective product conveying mechanism, wherein the feeding conveying mechanism is arranged at one end of the workbench, the scanning mechanism and the testing mechanism are arranged at one side of the feeding conveying mechanism, two defective product conveying mechanisms are arranged at the other end of the workbench, the transfer conveying mechanism is arranged in the middle of the workbench, the transplanting mechanism is arranged between the transfer conveying mechanism and the feeding conveying mechanism, and the defective product conveying mechanism is arranged at one side of the transfer conveying mechanism; according to the utility model, the bar code information of the battery is read through the bar code reader, the position information on the read bar code is sent to the PLC, the PLC compares the read position information with the position of a pre-stored measuring point, and whether the battery is placed correctly is judged, so that the accuracy of battery detection is prevented from being influenced by the battery placement error.

Description

Automatic OCV test machine for square lithium battery

Technical Field

The utility model relates to the technical field of lithium battery testing, in particular to an automatic OCV (open circuit voltage) testing machine for square lithium batteries.

Background

With the increasing severity of energy crisis and environmental pollution problem in the global area, the search for new energy with green sustainable development has become the main development direction of the energy field.

An electric automobile is rapidly developed as a new energy vehicle with energy conservation and environmental protection, and a lithium ion battery is one of the power sources which is attractive because of the advantages of high energy density, long cycle life, green and pollution-free.

At present, the subsequent OCV (open circuit voltage) test of lithium ion batteries in the industry mostly adopts manual code scanning, test and data input, and because operators repeat the same labor for a long time, fatigue is easy to generate, the accuracy of the test cannot be ensured, and in the test process, misoperation is easy to occur, so that irrecoverable loss is caused. In view of the above drawbacks, it is necessary to design an automatic OCV tester for square lithium batteries.

Disclosure of Invention

The utility model aims to provide an automatic OCV (open circuit voltage) testing machine for square lithium batteries, which aims to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an automatic OCV test machine of square lithium cell, includes frame, workstation, material loading conveying mechanism, scanning mechanism, testing mechanism, transplanting mechanism, transfer conveying mechanism, screening mechanism, yields conveying mechanism and defective products conveying mechanism, install the workstation in the frame, material loading conveying mechanism is installed to the one end of workstation, scanning mechanism and testing mechanism are installed to one side of material loading conveying mechanism, two yields conveying mechanism are installed to the other end of workstation, the mid-mounting of workstation has transfer conveying mechanism, be provided with transplanting mechanism between transfer conveying mechanism and the material loading conveying mechanism, one side of transfer conveying mechanism is provided with the defective products conveying mechanism, be provided with the screening mechanism between transfer conveying mechanism, defective products conveying mechanism and the two yields conveying mechanism.

Preferably, the feeding conveying mechanism comprises a first support, a first driven wheel, a first driving wheel and a first motor, wherein first side plates are arranged on two sides of the top of the first support, U-shaped baffles are arranged on the first side plates, first safety gratings are arranged on two sides of the U-shaped baffles, a first U-shaped support is arranged at one end of the first support, the first U-shaped support is rotationally connected with a first driven wheel shaft, a first driven wheel is arranged on the first driven wheel shaft, the first driven wheel is in transmission connection with the first driving wheel through a first conveying belt, the first driving wheel is arranged on the first driving wheel shaft, one end of the first driving wheel shaft is fixedly connected with the output end of the first motor, a plurality of jig plates are uniformly arranged on the first conveying belt at intervals, each jig comprises two jig bottom plates, L-shaped stop blocks are arranged at two ends of each jig bottom plate at intervals on the first conveying belt.

Preferably, the scanning mechanism comprises a bar code reader mounted on a reader mount mounted on the support bar.

Preferably, the testing mechanism comprises a supporting plate, a first cylinder and a probe, a sliding groove and kidney-shaped holes are formed in the upper end of the supporting plate, an adjusting seat is mounted at the top of the supporting plate, an adjusting screw is connected to the adjusting seat in a threaded mode, the bottom of the adjusting screw is connected to the adjusting plate in a threaded mode, the first cylinder is mounted on one side of the adjusting plate, a first push plate is mounted on a piston rod of the first cylinder, a row of through holes are formed in the bottom of the first push plate, first bolts are inserted into the through holes, probe mounting plates are mounted at two ends of the bottom of the first push plate through the first bolts respectively, probes are mounted on the probe mounting plates, the probes are electrically connected with a battery detector, a sliding block is connected to the other side of the adjusting plate and is arranged in the sliding groove in a second bolt in a sliding mode.

Preferably, the transplanting mechanism comprises a first linear module, a first vertical plate is arranged on a sliding table of the first linear module, a first cylinder mounting plate is arranged at the bottom of the first vertical plate, a second cylinder is arranged in the middle of the first cylinder mounting plate, a piston rod of the second cylinder is fixedly connected with the middle of the second push plate, first guide shafts are arranged at two ends of the second push plate, a first clamping jaw cylinder mounting plate is arranged at the bottom of the first guide shafts, the first clamping jaw cylinder mounting plate is fixedly connected with the second push plate through a first connecting plate, a first clamping jaw cylinder is arranged at the bottom of the first clamping jaw cylinder mounting plate, and the middle of the first guide shaft is sleeved on a first linear bearing.

Preferably, the transfer conveying mechanism comprises a second side plate, a driving roller, a second motor, driven rollers, tensioning rollers and a conveyor belt, wherein the second side plate is provided with two, the two ends of the second side plate are rotationally connected with the driving roller shaft, the driving rollers are arranged on the driving roller shaft, one end of each driving roller shaft is provided with a driving belt wheel, the driving belt wheels are in transmission connection with the driving belt wheels through the conveyor belt, the driving belt wheels are arranged at the output end of the second motor, the second motor is arranged on a first motor mounting plate, the two ends of one end of the second side plate are provided with first photoelectric sensors, the two ends of one end of the second side plate are also provided with stop blocks, the two ends of the second side plate are rotationally connected with driven rollers, the driven rollers are arranged on the driven rollers, the bottoms of the second side plate are provided with four supporting columns, the bottoms of the second side plate are respectively provided with a left fixing seat and a right fixing seat at intervals, the two ends of each of the second side plate are respectively provided with tensioning rollers, the tensioning rollers are respectively arranged between the left fixing seats and the two tensioning rollers, the tensioning rollers are respectively arranged on the tensioning rollers, the two tensioning rollers are respectively, and the driving rollers are respectively arranged on the tensioning rollers.

Preferably, the screening mechanism comprises a third support, a second linear module and a second clamping jaw cylinder, wherein the second linear module is installed on the third support, a second vertical plate is installed at two ends of a sliding table of the second linear module, two second cylinder mounting plates are installed at the bottoms of the second vertical plates, a third cylinder is installed at the middle part of each second cylinder mounting plate, a piston rod of each third cylinder is fixedly connected with the middle part of each third push plate, a second guide shaft is installed at two ends of each third push plate, a second clamping jaw cylinder mounting plate is installed at the bottom of each second guide shaft, second clamping jaw cylinders are installed at the bottom of each second clamping jaw cylinder mounting plate and are fixedly connected with each third push plate through a second connecting plate, and the middle part of each second guide shaft is sleeved on each second linear bearing.

Preferably, the defective product conveying mechanism comprises a third side plate, a third motor and a second conveying belt, wherein two third side plates are arranged, one ends of the two third side plates are rotatably connected with a second driving wheel shaft, a second driving wheel is arranged on the second driving wheel shaft, one end of the second driving wheel shaft is fixedly connected with the output end of the third motor, one of the second driving wheel shaft and the output end of the third motor is provided with a warning lamp bracket, the warning lamp bracket is provided with a warning lamp, the third side plate is also provided with a first sensor bracket, the first sensor bracket is provided with a second photoelectric sensor, the other ends of the two third side plates are rotatably connected with a second driven wheel shaft, and the second driven wheel shaft is in transmission connection with the second driving wheel through the second conveying belt.

Preferably, the good product conveying mechanism comprises a fourth side plate, a fourth motor and a third conveying belt, wherein two fourth side plates are arranged, one end of each fourth side plate is rotationally connected with a third driving wheel shaft, a third driving wheel is arranged on each third driving wheel shaft, one end of each third driving wheel shaft is fixedly connected with the output end of each fourth motor, a safety grating support is arranged on each fourth side plate, a second safety grating is arranged on each safety grating support, a baffle is arranged at one end of each fourth side plate, two other ends of each fourth side plate are rotationally connected with a third driven wheel shaft, each third driven wheel is in transmission connection with each third driving wheel through the corresponding third conveying belt, a second sensor support is further arranged on each fourth side plate, and a third photoelectric sensor is arranged on each second sensor support.

Compared with the prior art, the automatic OCV testing machine for the square lithium battery is characterized in that the battery is conveyed through the feeding conveying mechanism, the bar codes of the battery are read through the scanning mechanism, the anode and the cathode of the battery are simultaneously conducted through the testing mechanism and the performance is detected, the transplanting mechanism and the transferring conveying mechanism are used for conveying the battery respectively, the screening mechanism is used for screening unqualified batteries to the defective conveying mechanism, the defective batteries are output through the defective conveying mechanism, the screening mechanism is used for screening qualified batteries to the good conveying mechanism, and the qualified batteries are output through the good conveying mechanism, so that the detection process of the lithium battery is realized, manual operation is not needed, the efficiency of performance testing of the lithium battery is greatly improved, and the labor cost is saved; the utility model can adjust the position of the probe according to different batteries so as to align the probe with the anode and the cathode of the battery, and has wide applicability and strong practicability; the utility model is provided with the scanning mechanism, the bar code reader in the scanning mechanism can read the bar code information of the battery, the bar code reader sends the position information on the read bar code to the PLC controller, the PLC controller compares the read position information with the position of a pre-stored measuring point to judge whether the battery is correctly placed, and the accuracy of battery detection is prevented from being influenced by the battery placement error, so that the accuracy of battery detection is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate and together with the embodiments of the utility model and do not constitute a limitation to the utility model, and in which:

FIG. 1 is a schematic diagram of an automatic OCV tester for square lithium batteries; FIG. 2 is a schematic diagram of a feeding and conveying mechanism in an automatic OCV test machine for square lithium batteries;

FIG. 3 is a schematic diagram of the structure of the scanning mechanism and the testing mechanism in the automatic OCV testing machine for square lithium batteries; FIG. 4 is a schematic diagram of a transplanting mechanism in an automatic OCV test machine for square lithium batteries; FIG. 5 is a schematic diagram of a transfer conveying mechanism in an automatic OCV testing machine for square lithium batteries; FIG. 6 is a schematic diagram of a screening mechanism in an automatic OCV testing machine for square lithium batteries according to the present utility model; FIG. 7 is a schematic diagram of a defective product conveying mechanism in an automatic OCV testing machine for square lithium batteries; fig. 8 is a schematic structural diagram of a good product conveying mechanism in an automatic OCV tester for square lithium batteries.

In the accompanying drawings:

1. a frame; 2. a work table; 3. a feeding conveying mechanism; 301. a first bracket; 302. a first side plate; 303. a U-shaped baffle; 304. a first security grating; 305. a first U-shaped support; 306. a first driven wheel; 307. a first conveyor belt; 308. a first drive wheel; 309. a second U-shaped support; 310. a first motor; 311. a jig bottom plate; 312. an L-shaped stop; 4. a scanning mechanism; 401. a bar code reader; 402. a reader holder; 403. a support rod; 404. a bottom plate; 5. a testing mechanism; 501. a support plate; 502. a chute; 503. waist-shaped holes; 504. an adjusting seat; 505. adjusting a screw; 506. an adjusting plate; 507. a first cylinder; 508. a first push plate; 509. a through hole; 510. a first bolt; 511. a probe mounting plate; 512. a probe; 513. a slide block; 514. a second bolt; 6. a transplanting mechanism; 601. a first linear module; 602. a second bracket; 603. a first riser; 604. a first cylinder mounting plate; 605. a second cylinder; 606. a first buffer; 607. a second push plate; 608. a first guide shaft; 609. a first jaw cylinder mounting plate; 610. a first connection plate; 611. a first jaw cylinder; 612. a first linear bearing; 7. a transfer conveying mechanism; 701. a second side plate; 702. a driving roll shaft; 703. a drive roll; 704. a transmission belt wheel; 705. a transmission belt; 706. a driving pulley; 707. a second motor; 708. a first motor mounting plate; 709. a first photosensor; 710. a blocking piece; 711. a driven roll shaft; 712. driven roller; 713. a supporting plate; 714. a support column; 715. a bottom plate; 716. a left fixing seat; 717. a right fixing seat; 718. tensioning a roll shaft; 719. a tension roller; 720. a conveyor belt; 8. a screening mechanism; 801. a third bracket; 802. a second linear module; 803. a second riser; 804. a second cylinder mounting plate; 805. a third cylinder; 806. a second buffer; 807. a third push plate; 808. a second guide shaft; 809. a second jaw cylinder mounting plate; 810. a second connecting plate; 811. a second jaw cylinder; 812. a second linear bearing; 9. a defective product conveying mechanism; 901. a third side plate; 902. a fourth bracket; 903. a second driving wheel axle; 904. a second driving wheel; 905. a third motor; 906. a second motor mounting plate; 907. a warning light bracket; 908. a warning light; 909. a first sensor mount; 910. a second photosensor; 911. a second driven wheel shaft; 912. a second driven wheel; 913. a second conveyor belt; 10. good product conveying mechanism; 1001. a fourth side plate; 1002. a fifth bracket; 1003. a third driving axle; 1004. a third driving wheel; 1005. a fourth motor; 1006. a safety grating support; 1007. a second security grating; 1008. a baffle; 1009. a third driven wheel shaft; 1010. a third driven wheel; 1011. a third conveyor belt; 1012. a second sensor mount; 1013. and a third photosensor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-8, the present utility model provides a technical solution: the utility model provides an automatic OCV test machine of square lithium cell, includes frame 1, workstation 2, material loading conveying mechanism 3, scanning mechanism 4, testing mechanism 5, transplanting mechanism 6, transfer conveying mechanism 7, screening mechanism 8, defective goods conveying mechanism 9 and good product conveying mechanism 10, install workstation 2 on the frame 1, material loading conveying mechanism 3 is installed to the one end of workstation 2, scanning mechanism 4 and testing mechanism 5 are installed to one side of material loading conveying mechanism 3, two good product conveying mechanisms 10 are installed to the other end of workstation 2, the mid-mounting of workstation 2 has transfer conveying mechanism 7, be provided with transplanting mechanism 6 between transfer conveying mechanism 7 and the material loading conveying mechanism 3, one side of transfer conveying mechanism 7 is provided with defective goods conveying mechanism 9, be provided with screening mechanism 8 between transfer conveying mechanism 7, defective goods conveying mechanism 9 and two good product conveying mechanisms 10.

The feeding and conveying mechanism 3 in this embodiment includes a first support 301, a first driven wheel 306, a first driving wheel 308, and a first motor 310, where two sides of the top of the first support 301 are provided with a first side plate 302, a U-shaped baffle 303 is installed on the first side plate 302, two sides of the U-shaped baffle 303 are provided with a first safety grating 304, one end of the first support 301 is provided with a first U-shaped support 305, the first U-shaped support 305 is rotatably connected to a first driven wheel shaft, the first driven wheel shaft is provided with a first driven wheel 306, the first driven wheel 306 is in transmission connection with the first driving wheel 308 through a first conveying belt 307, the first driving wheel 308 is installed on the first driving wheel shaft, the first driving wheel axle is rotationally connected to the second U-shaped support 309, one end of the first driving wheel axle is fixedly connected with the output end of the first motor 310, the first motor 310 and the first safety grating 304 are respectively electrically connected with the PLC, the first motor 310 is installed on one side of the second U-shaped support 309, the second U-shaped support 309 is installed on the workbench 2, a plurality of jigs are uniformly arranged on the first conveying belt 307 at intervals, each jig comprises two jig bottom plates 311, the two jig bottom plates 311 are installed on the first conveying belt 307 at intervals, L-shaped stop blocks 312 are installed at two ends of each jig bottom plate 311, and four L-shaped stop blocks 312 enclose a rectangular area for fixing a battery. When the staff places the battery on the tool, first safety grating 304 can sense that staff's hand stretches into the inside of material loading conveying mechanism 3, and the first motor 310 stop work of PLC controller control immediately to can avoid the staff to be injured, ensured staff's personal safety.

The scanning mechanism 4 in this embodiment includes a bar code reader 401, the bar code reader 401 is mounted on a reader bracket 402, the reader bracket 402 is mounted on a support bar 403, the support bar 403 is mounted on a base plate 404, the base plate 404 is mounted on the workbench 2, and the bar code reader 401 is electrically connected with the PLC controller.

The testing mechanism 5 in this embodiment includes a supporting plate 501, a first cylinder 507 and a probe 512, a chute 502 and kidney-shaped holes 503 are formed at the upper end of the supporting plate 501, two kidney-shaped holes 503 are formed at two sides of the chute 502, an adjusting seat 504 is mounted at the top of the supporting plate 501, an adjusting screw 505 is screwed on the adjusting seat 504, the bottom of the adjusting screw 505 is screwed on an adjusting plate 506, the first cylinder 507 is mounted on one side of the adjusting plate 506, a first push plate 508 is mounted on a piston rod of the first cylinder 507, a row of through holes 509 is formed at the bottom of the first push plate 508, a first bolt 510 is inserted into the through holes 509, probe mounting plates 511 are mounted at two ends of the bottom of the first push plate 508 respectively through the first bolts 510, a probe 512 is mounted on the probe mounting plates 511, the probe 512 is electrically connected with a battery detector, the other side of the adjusting plate 506 is connected with a sliding block 513, the other side of the adjusting plate 506 is slidingly disposed in the chute 502, a second push plate 514 is disposed on the other side of the adjusting plate 506, and the second waist-shaped bolt 514 passes through the second bolt 503 and the second kidney-shaped holes 503. When battery cells with different heights are faced, the second bolts 514 in the kidney-shaped holes 503 can be loosened, the adjusting screw 505 is rotated to adjust the height of the adjusting plate 506, then the second bolts 514 are screwed to fix the adjusting plate 506, so that the heights of the first push plate 508 and the probes 512 can be adjusted, when the battery cells with different lengths are faced, the first bolts 510 are unscrewed to move the two probe mounting plates 511 to the proper positions, and then the first bolts 510 are screwed to position, so that batteries with different lengths are met, and the battery cell with different lengths is wide in applicability and high in practicability.

The transplanting mechanism 6 in this embodiment includes a first linear module 601, the first linear module 601 is mounted on a second bracket 602, a first riser 603 is mounted on a sliding table of the first linear module 601, a first cylinder mounting plate 604 is mounted at the bottom of the first riser 603, a second cylinder 605 is mounted in the middle of the first cylinder mounting plate 604, a first buffer 606 is mounted at both ends of the first cylinder mounting plate 604, a piston rod of the second cylinder 605 is fixedly connected with the middle of a second push plate 607, a first guide shaft 608 is mounted at both ends of the second push plate 607, a first clamping jaw cylinder mounting plate 609 is mounted at the bottom of the first guide shaft 608, a first clamping jaw cylinder 611 is mounted at the bottom of the first clamping jaw cylinder mounting plate 609, a middle sleeve of the first guide shaft 608 is mounted on a first linear bearing 612, a first linear bearing 612 is mounted on the first riser 603, and the first linear module 601, the second cylinder 605 and the first clamping jaw 611 are respectively electrically connected with a PLC controller.

The transfer conveying mechanism 7 in this embodiment includes second curb plate 701, initiative roller 703, second motor 707, driven voller 712, tensioning roller 719 and conveyer 720, second curb plate 701 is provided with two, two the one end rotation of second curb plate 701 is connected with initiative roller 702, installs initiative roller 703 on the initiative roller 702, driving pulley 704 is installed to the one end of initiative roller 702, and driving pulley 704 passes through the conveyer 705 and is connected with driving pulley 706 transmission, and driving pulley 706 installs the output at second motor 707, and the second motor 707 installs on first motor mounting panel 708, and first motor mounting panel 708 is installed on second curb plate 701, and two the top of second curb plate 701 one end is installed first photoelectric sensor 709, second motor 707 and first photoelectric sensor 709 are connected with PLC controller electric property respectively, and the top of two second curb plate 701 one end still is installed and is blocked block 710, and two the other end rotation of second curb plate 701 is connected with driven roller 711, install driven voller 712 on the driven roller, driven roller 714, two the bottom of two are installed on two the second curb plate mounting plates 714 and are installed on the bottom of two and are installed the support post 718, and support post 716 are installed on the bottom of two support posts 718, and bottom support post mounting plate 718 are installed on top of the bottom support post mounting plate 718, and bottom support post mounting plate 718.

The screening mechanism 8 in this embodiment includes a third support 801, a second linear module 802 and a second clamping jaw cylinder 811, the second linear module 802 is installed on the third support 801, a second vertical plate 803 is installed at two ends of a sliding table of the second linear module 802, second cylinder mounting plates 804 are installed at two bottoms of the second vertical plates 803, a third cylinder 805 is installed in the middle of each second cylinder mounting plate 804, a second buffer 806 is installed at two ends of each second cylinder mounting plate 804, a piston rod of the third cylinder 805 is fixedly connected with the middle of the third push plate 807, a second guide shaft 808 is installed at two ends of the third push plate 807, a second clamping jaw cylinder mounting plate 809 is installed at the bottom of each second guide shaft 808, a second cylinder 811 is installed at the bottom of each second cylinder mounting plate 809, the second linear module 802, the third cylinder 805 and the second cylinder 811 are respectively electrically connected with a PLC controller, a second clamping jaw 812 is sleeved on a second linear bearing 803, and the second clamping jaw 812 is installed on the second vertical plate 803.

The defective product conveying mechanism 9 in this embodiment includes a third side plate 901, a third motor 905 and a second conveying belt 913, the third side plate 901 is mounted on a fourth bracket 902, two third side plates 901 are provided, one end of each third side plate 901 is rotatably connected with a second driving wheel shaft 903, a second driving wheel 904 is mounted on each second driving wheel shaft 903, one end of each second driving wheel shaft 903 is fixedly connected with an output end of each third motor 905, the third motor 905 is mounted on a second motor mounting plate 906, the second motor mounting plate 906 is mounted on the third side plate 901, a warning lamp bracket 907 is mounted on each third side plate 901, a warning lamp 908 is mounted on each warning lamp bracket, a first sensor bracket 909 is mounted on each third side plate 901, each third motor, each warning lamp 908 and each second photoelectric sensor 910 are respectively electrically connected with a PLC controller, the other end of each third motor, each second driving wheel shaft 905 is rotatably connected with a second driven wheel shaft 912, and each second driven wheel shaft 912 is mounted on each second driven wheel shaft 912, and each second driven wheel shaft 912 is connected with a second driven wheel shaft 911 through a transmission belt 911.

The good product conveying mechanism 10 in this embodiment includes a fourth side plate 1001, a fourth motor 1005 and a third conveying belt 1011, one end of the fourth side plate 1001 is mounted on a fifth bracket 1002, two ends of the fourth side plate 1001 are rotatably connected with a third driving wheel shaft 1003, a third driving wheel 1004 is mounted on the third driving wheel shaft 1003, one end of the third driving wheel shaft 1003 is fixedly connected with an output end of the fourth motor 1005, the fourth motor 1005 is mounted on the fourth side plate 1001, a safety grating bracket 1006 is mounted on the fourth side plate 1001, a second safety grating 1007 is mounted on the safety grating bracket 1006, a baffle 1008 is mounted at one end of the fourth side plate 1001, two ends of the fourth side plate 1001 are rotatably connected with a third driven wheel shaft 1009, a third driven wheel 1010 is mounted on the third driven wheel shaft 1009, the third driven wheel 1010 is in transmission connection with the third driving wheel 1004 through the third conveying belt 1011, a second sensor bracket 1012 is further mounted on the fourth side plate 1001, a third sensor bracket 1013 is mounted on the third sensor bracket 1013, a third photoelectric sensor 1013 is mounted on the fourth side plate 1013, and a third photoelectric sensor 1013 is electrically connected with the fourth photoelectric sensor 1013 and a third PLC.

The working principle of the utility model is as follows: placing a battery among four L-shaped stoppers 312 on a jig, fixing the battery by the four L-shaped stoppers 312, driving a driving shaft to rotate by a first motor 310, driving a first conveying belt 307 to move by a first driving wheel 308 along with the rotation, driving a first push plate 508 to move by a first cylinder 507 until the probes 512 at the two ends of the first push plate 508 are respectively contacted with positive and negative poles of battery cells, then detecting the performance of the battery by a battery detector, sending the position information on the read bar code to a PLC controller by the bar code reader 401, comparing the read position information with the position of a pre-stored measuring point, judging whether the battery is placed correctly, preventing the battery from being influenced by battery placement errors, thereby improving the accuracy of battery detection, after the battery is read, conveying the battery to a testing mechanism 5 by a feeding conveying mechanism 3, driving a first push plate 508 to move by a first cylinder 507 until the probes 512 at the two ends of the first push plate 508 are respectively contacted with positive and negative poles of the battery cells, then detecting the battery cells by the battery detector, and then driving a first clamping jaw 607 to move to a first cylinder 611 to a first clamping jaw 611 to move to a second cylinder 611 to a first clamping jaw 601, and then moving a first clamping jaw 601 to a first cylinder 611 to finish the detection according to the detection result of the first cylinder 607, until the first clamping jaw cylinder 611 contacts with the battery, the first clamping jaw cylinder 611 works to clamp the battery, the second cylinder 605 works to reset, the first linear module 601 works to drive the first clamping jaw cylinder 611 which clamps the battery to move towards the direction of the transit conveying mechanism 7 until the first clamping jaw cylinder 611 moves above the conveying belt 720, the second cylinder 605 works to drive the first clamping jaw cylinder 611 to clamp the battery to move downwards until the battery moves onto the conveying belt 720, the first clamping jaw cylinder 611 works to loosen the battery, the battery falls onto the conveying belt 720, the second motor 707 works to drive the driving pulley 706 to rotate, the driving pulley 704 is driven to rotate by the driving belt 705, the driving roll shaft 702 and the driving roll 703 also rotate along with the rotation, so as to drive the conveying belt 720 and the battery to move until the battery moves to the blocking block 710 and is blocked by the blocking block 710, at this time, the first photoelectric sensor 709 senses the battery and sends the sensed signal to the PLC controller, the PLC controller controls the screening mechanism 8 to operate according to the detection result received from the testing mechanism 5, when the testing mechanism 5 detects that the battery is qualified, the PLC controller controls the second linear module 802 to operate, and drives the second riser 803 to move, so that one of the second jaw cylinders 811 on the second riser 803 moves above the conveyor belt 720, the third cylinder 805 acts to push the third push plate 807 to move downward, the second jaw cylinder mounting plate 809 connected with the third push plate 807 through the second connection plate 810 also moves downward, thereby driving the second jaw cylinders 811 to move toward the battery until the second jaw cylinders 811 contact the battery, the second jaw cylinders 811 operate to clamp the battery, the third cylinder 805 acts to reset, the second linear module 802 operates to drive the second jaw cylinder 811 holding the battery to move in the direction of the good product conveying mechanism 10 until the second jaw cylinder 811 moves above the third conveying belt 1011, the third cylinder 805 operates to drive the second jaw cylinder 811 to clamp the battery to move downward until the battery moves above the third conveying belt 1011, the second jaw cylinder 811 operates to unclamp the battery, the battery drops onto the third conveying belt 1011, the fourth motor 1005 operates to drive the third drive wheel shaft 1003 to rotate, the third drive wheel 1004 also rotates with the rotation, thereby driving the third conveying belt 1011 and the qualified battery to move until the battery moves to the position of the baffle 1008 and is blocked by the baffle 1008, at this time, the worker removes the qualified battery, when the battery detected by the test mechanism 5 is failed, the PLC controller controls the second linear module 802 to operate to drive the second vertical plate 803 to move, so that another second jaw cylinder 811 on the second vertical plate moves above the conveying belt 720, the third plate 807 operates to push the third push plate 807 to move downward, the battery is clamped by the second plate 811 by the second drive the second jaw cylinder 811 to move the second jaw cylinder 810, until the battery is clamped by the second plate 811 moves in the direction of the second jaw cylinder 811, and the second jaw cylinder 811 moves down until the second jaw cylinder 811 moves down by the second plate 811 moves in the direction of the second jaw cylinder 811, which is clamped by the second cylinder 811 moves down, the battery falls into on the second conveyer belt 913, and the second photoelectric sensor 910 senses the battery to send the signal of sensing to the PLC controller, the PLC controller control warning light 908 twinkle, reminds the staff to collect unqualified battery, and third motor 905 work drives second initiative shaft 903 and rotates, and second action wheel 904 also rotates along with the rotation, thereby drives second conveyer belt 913 and unqualified battery and removes unqualified battery.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Automatic OCV test machine of square lithium cell, its characterized in that: including frame (1), workstation (2), material loading conveying mechanism (3), scanning mechanism (4), testing mechanism (5), transplanting mechanism (6), transfer conveying mechanism (7), screening mechanism (8), defective products conveying mechanism (9) and good products conveying mechanism (10), install workstation (2) on frame (1), material loading conveying mechanism (3) are installed to one end of workstation (2), scanning mechanism (4) and testing mechanism (5) are installed to one side of material loading conveying mechanism (3), two good products conveying mechanism (10) are installed to the other end of workstation (2), mid-mounting of workstation (2) has transfer conveying mechanism (7), be provided with between transfer conveying mechanism (7) and material loading conveying mechanism (3) and transplant mechanism (6), one side of transfer conveying mechanism (7) is provided with defective products conveying mechanism (9), be provided with screening mechanism (8) between transfer conveying mechanism (7), defective products conveying mechanism (9) and two good products conveying mechanism (10).

2. The automatic OCV tester for square lithium batteries according to claim 1, wherein: the feeding conveying mechanism (3) comprises a first support (301), a first driven wheel (306), a first driving wheel (308) and a first motor (310), wherein first side plates (302) are arranged on two sides of the top of the first support (301), U-shaped baffles (303) are arranged on the first side plates (302), first safety gratings (304) are arranged on two sides of each U-shaped baffle (303), a first U-shaped support (305) is arranged at one end of the first support (301), the first U-shaped support (305) is rotationally connected to a first driven wheel shaft, the first driven wheel shaft is provided with the first driven wheel (306), the first driven wheel (306) is in transmission connection with the first driving wheel (308) through a first conveying belt (307), the first driving wheel (308) is arranged on the first driving wheel shaft, one end of each first driving wheel shaft is fixedly connected with the output end of each first motor (310), a plurality of jigs are uniformly spaced on the first conveying belt (307), each jig comprises two jig base plates (311), and two jig base plates (311) are arranged at two ends of each base plate (311) at intervals, and each base plate (312) is provided with one stop plate (311).

3. The automatic OCV tester for square lithium batteries according to claim 1, wherein: the scanning mechanism (4) comprises a bar code reader (401), the bar code reader (401) is mounted on a reader bracket (402), and the reader bracket (402) is mounted on a support rod (403).

4. The automatic OCV tester for square lithium batteries according to claim 1, wherein: the utility model provides a testing mechanism (5) including backup pad (501), first cylinder (507) and probe (512), spout (502) and kidney-shaped hole (503) have been seted up to the upper end of backup pad (501), regulation seat (504) are installed at the top of backup pad (501), the spiro union has adjusting screw (505) on regulation seat (504), the bottom spiro union of adjusting screw (505) is on regulating plate (506), first cylinder (507) are installed to one side of regulating plate (506), install first push pedal (508) on the piston rod of first cylinder (507), one row of through-hole (509) have been seted up to the bottom of first push pedal (508), insert on through-hole (509) and be equipped with first bolt (510), probe mounting panel (511) are installed respectively through first bolt (510) at the both ends of first push pedal (508) bottom, install probe (512) on probe mounting panel (511), probe (512) and battery detector electric connection, the opposite side of regulating plate (506) is connected with slider (513), slider (513) slides and sets up in spout (502), and second bolt (514) are provided with.

5. The automatic OCV tester for square lithium batteries according to claim 1, wherein: transplanting mechanism (6) are including first linear module (601), install first riser (603) on the slip table of first linear module (601), first cylinder mounting panel (604) are installed to the bottom of first riser (603), second cylinder (605) are installed to the mid-mounting of first cylinder mounting panel (604), the piston rod of second cylinder (605) and the middle part fixed connection of second push pedal (607), first guiding axle (608) are all installed at the both ends of second push pedal (607), first clamping jaw cylinder mounting panel (609) are installed to the bottom of first guiding axle (608), through first connecting plate (610) fixed connection between first clamping jaw cylinder mounting panel (609) and second push pedal (607), first clamping jaw cylinder (611) are installed to the bottom of first clamping jaw cylinder mounting panel (609), the middle part cover of first guiding axle (608) is established on first linear bearing (612).

6. The automatic OCV tester for square lithium batteries according to claim 1, wherein: the transfer conveying mechanism (7) comprises a second side plate (701), a driving roller (703), a second motor (707), driven rollers (712), tensioning rollers (719) and a conveyor belt (720), wherein two second side plates (701) are arranged, one ends of the second side plates (701) are rotationally connected with driving roller shafts (702), the driving roller (703) is installed on the driving roller shafts (702), one ends of the driving roller shafts (702) are provided with driving pulleys (704), the driving pulleys (704) are in transmission connection with the driving pulleys (706) through the conveyor belt (705), the driving pulleys (706) are installed at the output ends of the second motors (707), the second motors (707) are installed on a first motor installation plate (708), the tops of one ends of the two second side plates (701) are provided with first photoelectric sensors (709), the tops of one ends of the two second side plates (701) are also provided with stop blocks (710), the other ends of the two second side plates (701) are rotationally connected with driven roller shafts (711), the driven roller shafts (711) are installed on one ends of the driven roller shafts (702), the driven roller shafts (711) are installed at the bottoms of the second side plates (713) are provided with bottom support plates (713), the bottom of two second curb plate (701) is all installed left fixing base (716) and right fixing base (717) at the interval, two between left fixing base (716) and two all rotate between right fixing base (717) and install tensioning roller (718), install tensioning roller (719) on tensioning roller (718), tensioning has conveyer belt (720) on driving roll (703), driven voller (712) and tensioning roller (719).

7. The automatic OCV tester for square lithium batteries according to claim 1, wherein: screening mechanism (8) are including third support (801), second linear module (802) and second clamping jaw cylinder (811), install second linear module (802) on third support (801), second riser (803) are all installed at the both ends of the slip table of second linear module (802), two second cylinder mounting panel (804) are all installed to the bottom of second riser (803), and the mid-mounting of second cylinder mounting panel (804) has third cylinder (805), and the piston rod of third cylinder (805) and the middle part fixed connection of third push pedal (807), second guiding axle (808) are all installed at the both ends of third push pedal (807), install second clamping jaw cylinder mounting panel (809) in the bottom of second guiding axle (808), through second connecting plate (810) fixed connection between second clamping jaw cylinder mounting panel (809) and the third push pedal (807), second clamping jaw cylinder (811) are installed to the bottom of second clamping jaw cylinder mounting panel (809), the middle part cover of second guiding axle (808) is established on second linear bearing (812).

8. The automatic OCV tester for square lithium batteries according to claim 1, wherein: the utility model provides a defective goods conveying mechanism (9) includes third curb plate (901), third motor (905) and second conveyer belt (913), third curb plate (901) are provided with two, two the one end rotation of third curb plate (901) is connected with second initiative shaft (903), installs second action wheel (904) on second initiative shaft (903), the one end of second initiative shaft (903) is fixed with the output of third motor (905) and is connected, wherein install warning lamp support (907) on third curb plate (901), install warning lamp (908) on warning lamp support (907), still install first sensor support (909) on third curb plate (901), install second photoelectric sensor (910) on first sensor support (909), the other end rotation of two third curb plate (901) is connected with second driven shaft (911), install second from driving wheel (912) on second driven shaft (912), second from driving wheel (912) are connected with second action wheel (904) through second conveyer belt (913).

9. The automatic OCV tester for square lithium batteries according to claim 1, wherein: the good product conveying mechanism (10) comprises a fourth side plate (1001), a fourth motor (1005) and a third conveying belt (1011), wherein two fourth side plates (1001) are arranged, one ends of the fourth side plates (1001) are rotatably connected with a third driving wheel shaft (1003), a third driving wheel (1004) is arranged on the third driving wheel shaft (1003), one ends of the third driving wheel shaft (1003) are fixedly connected with the output end of the fourth motor (1005), a safety grating bracket (1006) is arranged on the fourth side plate (1001), a second safety grating (1007) is arranged on the safety grating bracket (1006), a baffle plate (1008) is arranged at one end of the fourth side plate (1001), a third driven wheel shaft (1009) is rotatably connected with the other ends of the fourth side plate (1001), a third driven wheel (1010) is arranged on the third driven wheel shaft (1009), the third driven wheel (1010) is in transmission connection with the third driving wheel (1004) through the third conveying belt (1011), a second optical sensor (1013) is arranged on the fourth side plate (1001), and a third optical sensor (1012) is arranged on the third sensor bracket (1012).