CN218394826U - Lithium cell K value test equipment - Google Patents

Abstract

The application discloses a lithium battery K value testing device which comprises a machine table and a controller, wherein the machine table is provided with a feeding mechanism, a detection mechanism, a box pushing mechanism, a recording mechanism, a defective product removing mechanism and a discharging mechanism, the detection mechanism is used for detecting the K value of a battery, the box pushing mechanism is used for sequentially pushing the battery to corresponding positions of the recording mechanism and the discharging mechanism from the detection mechanism, the defective product removing mechanism is used for moving out defective products detected by the detection mechanism, and the recording mechanism is used for recording K value data of the battery; the defective product removing mechanism comprises a grabbing mechanism and a defective product conveying belt, the grabbing mechanism is used for grabbing a defective product and conveying the defective product to the defective product conveying belt, and the defective product conveying belt is used for conveying the defective product out of the machine table. Set up defective products on the board and reject the mechanism and can locate the defective products by automatic separation in this application to remove the defective products out of the board, improved the degree of automation of equipment, also can increase substantially the efficiency of software testing of equipment.

Description

Lithium cell K value test equipment

Technical Field

The application belongs to the technical field of automation equipment, and more specifically relates to a lithium battery K value test equipment.

Background

In the lithium battery industry, the K value refers to the voltage drop of a battery in unit time and is an index for measuring the self-discharge rate of the lithium battery; therefore, the K value of the battery needs to be tested in the production process of the lithium battery, and meanwhile, the battery with unqualified K value needs to be selected.

Chinese patent document CN217332766U discloses a battery module K value test system, which is similar to the above existing lithium battery K value test equipment that generally only has a function of testing the K value, and when a product that is unqualified in the K value test occurs, the equipment alarms and stops working, and then an operator is required to manually take out the unqualified product, so that the overall test efficiency is low, and the degree of automation needs to be improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the application provides a lithium battery K value testing device which comprises a machine table and a controller, wherein the machine table is provided with a feeding mechanism, a detecting mechanism, a box pushing mechanism, a recording mechanism, a defective product rejecting mechanism and a discharging mechanism which are respectively connected with the controller, the feeding mechanism is used for conveying a battery to the detecting mechanism, the detecting mechanism is used for detecting the K value of the battery, the box pushing mechanism is used for sequentially pushing the battery to the corresponding positions of the recording mechanism and the discharging mechanism from the detecting mechanism, the defective product rejecting mechanism is used for moving out defective products detected by the detecting mechanism, the recording mechanism is used for recording K value data of the battery, and the discharging mechanism is used for sending the qualified battery out of the machine table; the defective product removing mechanism comprises a grabbing mechanism and a defective product conveying belt, the grabbing mechanism is connected with the controller respectively, the grabbing mechanism is used for grabbing defective products and conveying the defective products onto the defective product conveying belt, and the defective product conveying belt is used for conveying the defective products out of the machine table.

As a further improvement of the application, a two-dimensional motion module is arranged on the machine table, and a recording installation plate is arranged at the output end of the two-dimensional motion module; snatch the mechanism including snatching the lift cylinder, snatch the lift cylinder with the output of two-dimensional motion module is connected, the motion end of snatching the lift cylinder is equipped with the centre gripping cylinder, the centre gripping cylinder with record mounting panel sliding connection, the motion end of centre gripping cylinder is equipped with two clamping jaws, wherein, is close to the clamping jaw length of defective products conveyer belt one side is less than the length of another clamping jaw.

As a further improvement of this application, record mechanism includes CCD camera and annular light source, CCD camera and annular light source respectively with the record mounting panel is connected, annular light source sets up the below of CCD camera.

As a further improvement of the present application, the detection mechanism includes an upper test component and a lower test component respectively connected to the controller, and the upper test component and the lower test component are respectively used for being conducted with two ends of the battery; the upper test assembly comprises an upper test fixing frame, the upper test fixing frame is connected with the machine table, a test pressing cylinder and a pressing guide ring are arranged on the upper test fixing frame, a pressing mounting frame is arranged at the output end of the test pressing cylinder, a pressing guide column is arranged on the upper end face of the pressing mounting frame, one end of the pressing guide column penetrates through the pressing guide ring, an upper probe mounting plate is arranged on the lower end face of the pressing mounting frame, and an upper probe is arranged on the upper probe mounting plate; the lower test component comprises a lower test fixing frame, the lower test fixing frame is connected with the machine table, a test lifting cylinder and a lifting guide ring are arranged on the lower test fixing frame, a lifting mounting frame is arranged at the output end of the test lifting cylinder, a lifting guide post is arranged on the lower end face of the lifting mounting frame, one end of the lifting guide post penetrates through the lifting guide ring, a lower probe mounting plate is arranged on the upper end face of the lifting mounting frame, and a lower probe is arranged on the lower probe mounting plate.

As a further improvement of this application, push away box mechanism including pushing away the box cylinder, push away the box cylinder with the board is connected, be equipped with X axle guide rail on the board, it is equipped with and pushes away the box mounting panel to slide on the X axle guide rail, push away the output of box cylinder with it connects to push away the box mounting panel, it is equipped with the push pedal on the box mounting panel to push away.

As the further improvement of this application, it is equipped with spacing cylinder and Y axle guide rail to push away on the box mounting panel, it is equipped with limit baffle to slide on the Y axle guide rail, the last driving plate that is equipped with of limit baffle, the one end of driving plate with limit baffle activity hinge joint, the other end of driving plate with it is articulated to push away the box mounting panel, spacing cylinder's output with the middle part of driving plate is articulated, spacing cylinder can drive limit baffle is in slide on the Y axle guide rail.

As a further improvement of this application, feed mechanism includes material loading frame and material loading actuating mechanism, material loading frame with the board is connected, material loading actuating mechanism with material loading frame connects, material loading frame parallel is equipped with two material loading guide rails, slides respectively on every material loading guide rail and is equipped with the material loading and press from both sides, and two material loading press from both sides are the mirror image and distribute, material loading actuating mechanism is connected with two material loading clamps respectively, just material loading actuating mechanism can drive the material loading clamp slides in the ascending and descending of material loading guide rail.

As a further improvement of this application, be equipped with feeding mechanism on the material loading frame, feeding mechanism is used for following the battery the propelling movement arrives on the material loading clamp detection mechanism's relevant position department, feeding mechanism includes the pay-off fixed plate, the pay-off fixed plate with the material loading frame is connected, be equipped with feeding cylinder on the pay-off fixed plate, feeding cylinder's delivery end is equipped with the delivery sheet.

As a further improvement of this application, unloading mechanism includes unloading frame, unloading actuating mechanism and draws material mechanism, the unloading frame with the board is connected, unloading actuating mechanism with draw material mechanism respectively with the unloading frame is connected, the parallel is equipped with two unloading guide rails on the unloading frame, slides respectively on every unloading guide rail and is equipped with the unloading and press from both sides, and two unloading press from both sides are the mirror image and distribute, unloading actuating mechanism is connected with two unloading clamps respectively, just unloading actuating mechanism can drive the unloading presss from both sides the sliding that falls on the unloading guide rail, draw material mechanism to be used for following the battery promote on the board corresponding position department that the unloading pressed from both sides.

As a further improvement of this application, the unloading presss from both sides including the unloading slider, the unloading slider with unloading guide rail sliding connection, be equipped with unloading centre gripping cylinder on the unloading slider, be equipped with the unloading clamp splice on the output of unloading centre gripping cylinder.

Compared with the prior art, the beneficial effects of this application are:

set up defective products on the board in this application and reject the mechanism and can locate the defective products by automatic separation to remove the defective products and see the board out and collect, improved the degree of automation of equipment, also can increase substantially the efficiency of software testing of equipment. When the detection mechanism detects unqualified products with K values, the detection mechanism pushes the products to the corresponding positions of the recording mechanism through the box pushing mechanism, the recording mechanism records the K value data of the products, the controller controls the grabbing mechanism to grab defective products, the defective products are conveyed to the upper portion of the defective product conveying belt, the grabbing mechanism places the defective products on the defective product conveying belt, and the defective product conveying belt is controlled to collect the defective products outside the machine table at the conveying position of the defective products.

Drawings

In order to illustrate the present application or prior art more clearly, a brief description of the drawings needed for the description of the embodiments or prior art will be given below, it being clear that the drawings in the following description are some embodiments of the present application and that other drawings can be derived from them by a person skilled in the art without inventive effort.

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic view of another structure according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a recording mechanism and a grasping mechanism in an embodiment of the present application;

FIG. 4 is a schematic structural diagram of an upper test assembly in an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a lower test assembly in an embodiment of the present application;

FIG. 6 is a schematic structural diagram of a box pushing mechanism in the embodiment of the present application;

FIG. 7 is a schematic view of the feeding mechanism in the embodiment of the present application;

fig. 8 is an enlarged schematic view of a portion a in fig. 2.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the description is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.

As shown in fig. 1-8, a lithium battery K value testing device includes a machine 1 and a controller, the machine 1 is used as an integral supporting mechanism of the device, the whole adopts a steel frame structure, and a plurality of protective doors are installed on the frame; install feed mechanism 2 that links to each other with the controller respectively on the board 1, detection mechanism 3, push away box mechanism 4, record mechanism 5, mechanism 6 and unloading mechanism 7 are rejected to defective products, specifically, feed mechanism 2 is used for transporting the battery to detection mechanism 3, detection mechanism 3 is used for detecting the K value of battery, it is used for propelling movement record mechanism 5 and unloading mechanism 7's relevant position department in proper order with the battery from detection mechanism 3 to push away box mechanism 4, mechanism 6 is rejected to defective products is used for shifting out the defective products that detection mechanism 3 detected out, record mechanism 5 is used for recording the K value data of battery, unloading mechanism 7 is used for seeing off board 1 with detecting qualified battery. Before the lithium battery K value detection test equipment works, a worker can place lithium batteries into a special transfer box 8, and the transfer box 8 can accommodate 50 lithium batteries in 5 rows and 10 columns; when the lithium battery K value testing equipment works, an operator places a transfer box 8 filled with a lithium battery on a feeding mechanism 2, the controller controls the feeding mechanism 2 to work to convey the lithium battery to a detection mechanism 3, the detection mechanism 3 is controlled to simultaneously detect the K values of 50 batteries in the transfer box 8, then the box pushing mechanism 4 is controlled to work to push the batteries and the transfer box 8 to a recording mechanism 5, and the recording mechanism 5 is controlled to record K value data of 50 batteries and feed the data back to the controller; if a battery with an unqualified K value exists in the transfer box 8, the defective product removing mechanism 6 is controlled to work to pick up the defective product from the transfer box 8 and convey the defective product out of the machine table 1; and then, the box pushing mechanism 4 is controlled to work, the previous transfer box 8 and the battery are extruded into the position of the blanking mechanism 7 under the extrusion of the next transfer box 8, and then the blanking mechanism 7 is controlled to work to move the transfer box 8 and the qualified battery out of the machine table 1 together to finish blanking.

This lithium cell K value test equipment can sort out the defective products automatically through setting up defective products on board 1 and rejecting mechanism 6 to move the defective products out of board 1 and collect, improved the degree of automation of equipment, also can increase substantially the efficiency of software testing.

In this example, the defective product eliminating mechanism 6 includes a grabbing mechanism 61 and a defective product conveyor belt 62 which are respectively connected with the controller, the grabbing mechanism 61 is used for grabbing the defective product and conveying the defective product to the defective product conveyor belt 62, and the defective product conveyor belt 62 is used for conveying the defective product out of the machine table 1; the defective product conveying belt 62 is of a common belt wheel structure, and a belt wheel is driven to rotate by a motor so as to drive the conveying belt to move.

The machine table 1 is provided with a two-dimensional movement module 63, the output end of the two-dimensional movement module 63 is provided with a recording installation plate 51, and the two-dimensional movement module 63 adopts any mechanism capable of realizing two-dimensional driving in the prior art, which is not described herein again; record mechanism 5 with snatch mechanism 61 and be connected with two-dimensional motion module 63 respectively, can drive through two-dimensional motion module 63 and snatch mechanism 61 work, and then snatch the defective products in transit box 8 and transport on defective products conveyer belt 62, two-dimensional motion module 63 also can drive record mechanism 5 motion simultaneously, and then note the K value data of 50 batteries in transit box 8.

As shown in fig. 3, the grabbing mechanism 61 includes a grabbing lifting cylinder 611, the grabbing lifting cylinder 611 is connected to the output end of the two-dimensional movement module 63, a clamping cylinder 612 is disposed at the moving end of the grabbing lifting cylinder 611, the clamping cylinder 612 is slidably connected to the recording mounting plate 51, and two clamping jaws 613 are disposed at the moving end of the clamping cylinder 612, wherein the length of the clamping jaw 613 near the defective product conveyor belt 62 is smaller than that of the other clamping jaw 613. When a defective product needs to be grabbed, the two-dimensional motion module 63 is controlled to work, and the grabbing mechanism 61 is conveyed to the position above the defective battery in the transfer box 8; then, the grabbing lifting cylinder 611 is controlled to work, the clamping cylinder 612 is driven to slide down on the recording installation plate 51, the clamping cylinder 612 is controlled to work after the preset height is reached, a defective product is grabbed by the two clamping jaws 613, the two-dimensional movement module 63 is controlled to work, the grabbing mechanism 61 is conveyed to the position above the defective product conveying belt 62, then the defective product is placed on the defective product conveying belt 62 by the grabbing mechanism 61, and the defective product is conveyed out of the machine table 1 by the defective product conveying belt 62 to be collected.

The reason why the two clamping jaws 613 are long and short is to push the defective battery onto the defective conveyor 62 after the defective is placed on the conveyor, so as to prevent the battery from falling off the defective conveyor 62 vertically; specifically, after the defective products are placed on the conveyor belt by the clamping cylinder 612, the two clamping jaws 613 are loosened, the battery naturally falls off the defective product conveyor belt 62 due to gravity, and at this time, the two-dimensional motion module 63 drives the clamping cylinder 612 to move a little further in the direction of the short clamping jaw 613, so that the long clamping jaw 613 pushes the battery down on the defective product conveyor belt 62.

In this example, the batteries in the relay box 8 are all placed upright, and therefore the grip cylinder 612 grips the defective battery upright.

As shown in fig. 3, the recording mechanism 5 includes a CCD camera 52 and an annular light source 53, the CCD camera 52 and the annular light source 53 are respectively fixedly connected to the recording mounting plate 51, the annular light source 53 is disposed below the CCD camera 52, the annular light source 53 is used for providing light supplement irradiation, the CCD camera 52 is used for identifying the two-dimensional code of each cell, and further feeding back the position of each cell on the relay box 8 to the controller, so that the controller can obtain the K value data of each cell.

As shown in fig. 1, 4 and 5, the detection mechanism 3 includes an upper test assembly 31 and a lower test assembly 32 respectively connected to the controller, and the upper test assembly 31 and the lower test assembly 32 are respectively used for conducting with two ends of the battery, so as to acquire K value data of each battery.

Go up test subassembly 31 and include test mount 311, it installs on board 1 to go up test mount 311 fixed mounting, it pushes down cylinder 312 and push down guide ring 313 to be equipped with the test on the test mount 311, the output of test push down cylinder 312 is equipped with push down mounting bracket 314, be equipped with push down guide post 315 on the up end of push down mounting bracket 314, push down guide post 315's one end is passed and is pushed down guide ring 313, push down guide post 315 and push down guide ring 313's sliding fit can carry out spacing direction to the elevating movement of push down mounting bracket 314, be equipped with probe mounting panel 316 on the lower terminal surface of push down mounting bracket 314, be equipped with on the probe mounting panel 316 with 50 last probes 317 with the battery one-to-one on the transfer box 8, every goes up probe 317 and links to each other with the controller respectively. The lower test assembly 32 comprises a lower test fixing frame 321, the lower test fixing frame 321 is connected with the machine table 1, a test ascending cylinder 322 and an ascending guide ring 323 are arranged on the lower test fixing frame 321, an ascending mounting frame 324 is arranged at the output end of the test ascending cylinder 322, an ascending guide column 325 is arranged on the lower end face of the ascending mounting frame 324, one end of the ascending guide column 325 penetrates through the ascending guide ring 323, the ascending guide column 325 is in sliding fit with the ascending guide ring 323 to perform limiting guide on the ascending and descending motion of the ascending mounting frame 324, a lower probe mounting plate 326 is arranged on the upper end face of the ascending mounting frame 324, 50 lower probes 327 in one-to-one correspondence with the batteries on the transit box 8 are arranged on the lower probe mounting plate 326, and each lower probe 327 is connected with the controller respectively.

During work, the feeding mechanism 2 conveys the transfer box 8 and the batteries to the position of the detection mechanism 3, then the upper test assembly 31 is controlled to start working, the test lower air cylinder 312 is controlled to work, the lower press mounting frame 314 is driven to descend, the lower press mounting frame 314 drives the upper probe mounting plate 316 and the upper probes 317 to descend, and 50 upper probes 317 are respectively contacted with the upper ends of 50 batteries in the transfer box 8 one by one; then, the lower test assembly 32 is controlled to start working, the test ascending cylinder 322 is controlled to work, the ascending mounting rack 324 is driven to ascend, and the ascending mounting rack 324 drives the lower probe mounting plate 326 and the lower probes 327 to ascend, so that the 50 lower probes 327 are respectively in one-to-one contact with the lower ends of the 50 batteries in the transfer box 8; at this time, two ends of 50 batteries in the transfer box 8 are respectively provided with an upper probe 317 and a lower probe 327 for contact, the K value of the battery can be tested through the upper probe 317 and the lower probe 327, and the K value data is fed back to the controller, so that the controller can obtain the K value data of each battery on the transfer box 8, and good products and defective products are judged.

As shown in fig. 6, the box pushing mechanism 4 includes a box pushing cylinder 41, the box pushing cylinder 41 is fixedly installed on the machine table 1, an X-axis guide rail 42 is installed on the machine table 1 along the conveying direction of the box pushing cylinder 41, a box pushing mounting plate 43 is slidably installed on the X-axis guide rail 42, the output end of the box pushing cylinder 41 is fixedly connected with the box pushing mounting plate 43, and a pushing plate 44 is installed on the box pushing mounting plate 43. After the detection of the detection mechanism 3 is completed, the box pushing mechanism 4 is controlled to work, the box pushing cylinder 41 works to push the box pushing mounting plate 43 to slide on the X-axis guide rail 42, the box pushing mounting plate 43 synchronously drives the pushing plate 44 to move, and the pushing plate 44 pushes the rotating box 8 and the battery to slide towards the recording mechanism 5 until the rotating box 8 and the battery reach the position of the recording mechanism 5.

In order to ensure that the transfer box 8 can be limited and fixed at the position of the detection mechanism 3 and prevent the failure of the K value test caused by the displacement of the transfer box 8; in this example, a limiting cylinder 45 and a Y-axis guide rail 46 are mounted on the box-pushing mounting plate 43, a limiting baffle 47 is slidably mounted on the Y-axis guide rail 46, a transmission plate 48 is mounted on the limiting baffle 47, one end of the transmission plate 48 is movably hinged to the limiting baffle 47, the other end of the transmission plate 48 is hinged to the box-pushing mounting plate 43, the output end of the limiting cylinder 45 is hinged to the middle of the transmission plate 48, and the limiting cylinder 45 can drive the limiting baffle 47 to slide on the Y-axis guide rail 46. Specifically, after feed mechanism 2 transports detection mechanism 3 with transit box 8 and battery, control limit cylinder 45 work, limit cylinder 45 promotes driving plate 48 swing, driving plate 48 can promote limit baffle 47 and slide on Y axle guide rail 46, thereby make limit baffle 47 insert the one side that the push pedal 44 was kept away from to transit box 8, make transit box 8 spacing between push pedal 44 and limit baffle 47, later control detection mechanism 3 again and carry out the K value test to the battery in the transit box 8, control limit cylinder 45 to reset after the test is accomplished, draw limit baffle 47 from one side of transit box 8 and leave, the work of the box cylinder 41 that once more controls pushes away is with transit box 8 and battery propelling movement to record mechanism 5 position.

As shown in fig. 2 and 7, the feeding mechanism 2 includes a feeding frame 21 and a feeding driving mechanism 22, the feeding frame 21 is fixedly installed on one side of the machine table 1, the feeding driving mechanism 22 is connected with the feeding frame 21, two feeding guide rails 23 are arranged on the feeding frame 21 in parallel, a feeding clamp 24 is arranged on each feeding guide rail 23 in a sliding mode, the two feeding clamps 24 are distributed in a mirror image mode, the feeding driving mechanism 22 is connected with the two feeding clamps 24 respectively, and the feeding driving mechanism 22 can drive the feeding clamps 24 to slide up and down on the feeding guide rails 23. In this embodiment, the feeding driving mechanism 22 is a motor-driven pulley structure, that is, a motor drives a pulley to rotate, the pulley then drives a transmission belt to move, and the transmission belt drives the feeding clamp 24 to move up and down. Before the lithium battery K value testing equipment works, an operator stacks and places the transfer boxes 8 filled with the batteries on the position of the loading clamp 24; during operation, material loading actuating mechanism 22 drive material loading clamp 24 descends, after material loading clamp 24 and transfer box 8 butt, material loading clamp 24 is extruded to the side of transfer box 8 for material loading clamp 24 upwarps, and later material loading clamp 24 continues to descend, until material loading clamp 24 breaks away from the extrusion of transfer box 8 side, material loading clamp 24 opens two sides that block transfer box 8 respectively, rises through material loading actuating mechanism 22 drive material loading clamp 24 again, lifts transfer box 8 and battery to predetermine the material loading position.

The feeding frame 21 is provided with a feeding mechanism 25, and the feeding mechanism 25 is used for pushing the transfer box 8 and the battery from the feeding clamp 24 to the corresponding position of the detection mechanism 3; specifically, the feeding mechanism 25 includes a feeding fixing plate 251, the feeding fixing plate 251 is fixedly connected to the feeding frame 21, a feeding cylinder 252 is disposed on the feeding fixing plate 251, and a feeding plate 253 is disposed at a conveying end of the feeding cylinder 252. During operation, after the feeding driving mechanism 22 drives the feeding clamp 24 to lift the transfer box 8 to a preset feeding height, the feeding cylinder 252 is controlled to work, the feeding cylinder 252 drives the feeding plate 253 to move, the feeding plate 253 can be abutted to the side wall of the transfer box 8, the transfer box 8 is pushed to the position of the detection mechanism 3 from the feeding clamp, and then the feeding cylinder 252 is controlled to reset to complete the feeding process of one round of transfer box 8 and one battery.

As shown in fig. 2 and 8, the blanking mechanism 7 includes a blanking frame 71, a blanking driving mechanism 72, and a pulling mechanism 73, the blanking frame 71 is fixedly installed at one side of the machine platform 1, the blanking driving mechanism 72 and the pulling mechanism 73 are respectively connected to the blanking frame 71, the blanking driving mechanism 72 has the same structure as the feeding driving mechanism 22, which is not described herein again, two blanking guide rails 74 are arranged in parallel on the blanking frame 71, each blanking guide rail 74 is respectively provided with a blanking clamp 75 in a sliding manner, the two blanking clamps 75 are distributed in a mirror image manner, the blanking driving mechanism 72 is respectively connected to the two blanking clamps 75, the blanking driving mechanism 72 can drive the blanking clamps 75 to slide up and down on the blanking guide rails 74, and the pulling mechanism 73 is used for pushing the battery from the machine platform 1 to corresponding positions of the blanking clamps 75. The structure of the material pulling mechanism 73 is the same as that of the feeding mechanism 25, but the working process is opposite, and the detailed structure is not described herein. The blanking clamp 75 comprises a blanking sliding block 751, the blanking sliding block 751 is in sliding connection with the blanking guide rail 74, a blanking clamping cylinder 752 is arranged on the blanking sliding block 751, a blanking clamping block 753 is arranged at the output end of the blanking clamping cylinder 752, a clamping block guide block 754 is arranged on the blanking clamping block 753, and one end of the clamping block guide block 754 extends into the blanking sliding block 751 and is in sliding connection with the blanking sliding block 751.

When the device works, after the defective products are removed by the defective product removing mechanism 6, the feeding mechanism 2 can continue feeding, the transfer box 8 at the position of the recording mechanism 5 can be pushed to the position of the blanking mechanism 7 by the transfer box 8 at the detection mechanism 3 under the pushing of the box pushing mechanism 4, and then the blanking mechanism 7 is controlled to work; firstly, two blanking clamping cylinders 752 work to drive two blanking clamping blocks 753 to move oppositely, then the material pulling mechanism 73 is controlled to pull out the transfer box 8 and qualified batteries onto the two blanking clamping blocks 753, and the two blanking clamping blocks 753 are respectively abutted against two side walls of the transfer box 8 to support the transfer box 8 and the batteries; and then the blanking driving mechanism 72 is controlled to work to drive the blanking clamp blocks 753 to descend, after the transfer box 8 is stacked, the two blanking clamping cylinders 752 reset to move to drive the two blanking clamp blocks 753 to move oppositely, so that the two blanking clamp blocks 753 are separated from the transfer box 8, the blanking driving mechanism 72 is controlled to work to drive the blanking clamp blocks 753 to ascend to the initial position, and the blanking work of the transfer box 8 and the battery is completed.

The working principle is as follows:

an operator stacks transfer boxes 8 filled with batteries at the position of a feeding mechanism 2, then controls the feeding mechanism 2 to feed materials, pushes the transfer boxes 8 and the batteries to the position of a detection mechanism 3, controls the detection mechanism 3 to test the K value of each battery on the transfer boxes 8, then controls a box pushing mechanism 4 to push the transfer boxes 8 and the batteries to the lower part of a recording mechanism 5, and controls the recording mechanism 5 to shoot two-dimensional codes of each battery, so that a controller obtains the K value data of each battery; if defective products exist, the defective product removing mechanism 6 is controlled to move the defective products out of the machine table 1 for collection; then, the box pushing mechanism 4 is controlled to work, so that the transfer box 8 on the detection mechanism 3 pushes the transfer box 8 below the recording mechanism 5 to the position of the blanking mechanism 7; then the blanking mechanism 7 is controlled to work to blank the transfer box 8 and the qualified batteries for stacking; thus, the whole working process of the whole K value test and the defective product removal is completed.

It should be understood that the above-described embodiments are merely exemplary of some, and not all, embodiments of the present application, and that the drawings illustrate preferred embodiments of the present application without limiting the scope of the claims appended hereto. This application is capable of embodiments in many different forms and is provided for the purpose of providing a more thorough understanding of the present disclosure. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.

Claims (10)

1. The utility model provides a lithium cell K value test equipment which characterized in that: the battery pack feeding device comprises a machine table and a controller, wherein a feeding mechanism, a detection mechanism, a box pushing mechanism, a recording mechanism, a defective product eliminating mechanism and a discharging mechanism which are respectively connected with the controller are arranged on the machine table, the feeding mechanism is used for conveying a battery to the detection mechanism, the detection mechanism is used for detecting the K value of the battery, the box pushing mechanism is used for sequentially pushing the battery to corresponding positions of the recording mechanism and the discharging mechanism from the detection mechanism, the defective product eliminating mechanism is used for moving out defective products detected by the detection mechanism, the recording mechanism is used for recording K value data of the battery, and the discharging mechanism is used for conveying qualified batteries out of the machine table;

the defective product removing mechanism comprises a grabbing mechanism and a defective product conveying belt, the grabbing mechanism is connected with the controller respectively, the grabbing mechanism is used for grabbing defective products and conveying the defective products onto the defective product conveying belt, and the defective product conveying belt is used for conveying the defective products out of the machine table.

2. The lithium battery K value testing device of claim 1, characterized in that: the machine table is provided with a two-dimensional motion module, and the output end of the two-dimensional motion module is provided with a recording installation plate;

snatch the mechanism including snatching the lift cylinder, snatch the lift cylinder with the output of two-dimensional motion module is connected, the motion end of snatching the lift cylinder is equipped with the centre gripping cylinder, the centre gripping cylinder with record mounting panel sliding connection, the motion end of centre gripping cylinder is equipped with two clamping jaws, wherein, is close to the clamping jaw length of defective products conveyer belt one side is less than the length of another clamping jaw.

3. The lithium battery K value testing device of claim 2, characterized in that: the recording mechanism comprises a CCD camera and an annular light source, the CCD camera and the annular light source are respectively connected with the recording mounting plate, and the annular light source is arranged below the CCD camera.

4. A lithium battery K-value testing device according to any one of claims 1-3, characterized in that: the detection mechanism comprises an upper test component and a lower test component which are respectively connected with the controller, and the upper test component and the lower test component are respectively used for being conducted with two ends of the battery;

the upper test assembly comprises an upper test fixing frame, the upper test fixing frame is connected with the machine table, a test pressing cylinder and a pressing guide ring are arranged on the upper test fixing frame, a pressing mounting frame is arranged at the output end of the test pressing cylinder, a pressing guide column is arranged on the upper end face of the pressing mounting frame, one end of the pressing guide column penetrates through the pressing guide ring, an upper probe mounting plate is arranged on the lower end face of the pressing mounting frame, and an upper probe is arranged on the upper probe mounting plate;

the lower test component comprises a lower test fixing frame, the lower test fixing frame is connected with the machine table, a test lifting cylinder and a lifting guide ring are arranged on the lower test fixing frame, a lifting mounting frame is arranged at the output end of the test lifting cylinder, a lifting guide post is arranged on the lower end face of the lifting mounting frame, one end of the lifting guide post penetrates through the lifting guide ring, a lower probe mounting plate is arranged on the upper end face of the lifting mounting frame, and a lower probe is arranged on the lower probe mounting plate.

5. A lithium battery K-value testing device according to any one of claims 1-3, characterized in that: push away box mechanism including pushing away the box cylinder, push away the box cylinder with the board is connected, be equipped with X axle guide rail on the board, it is equipped with and pushes away the box mounting panel to slide on the X axle guide rail, push away the output of box cylinder with it connects to push away the box mounting panel, it is equipped with the push pedal on the box mounting panel to push away.

6. The lithium battery K value test device of claim 5, characterized in that: push away and be equipped with spacing cylinder and Y axle guide rail on the box mounting panel, it is equipped with limit baffle to slide on the Y axle guide rail, the last driving plate that is equipped with of limit baffle, the one end of driving plate with limit baffle activity hinge joint, the other end of driving plate with it is articulated to push away the box mounting panel, the output of spacing cylinder with the middle part of driving plate is articulated, spacing cylinder can drive limit baffle is in slide on the Y axle guide rail.

7. A lithium battery K-value testing device according to any one of claims 1-3, characterized in that: the feeding mechanism comprises a feeding frame and a feeding driving mechanism, the feeding frame is connected with the machine table, the feeding driving mechanism is connected with the feeding frame, two feeding guide rails are arranged on the feeding frame in parallel, a feeding clamp is arranged on each feeding guide rail in a sliding mode respectively, the two feeding clamps are distributed in a mirror image mode, the feeding driving mechanism is connected with the two feeding clamps respectively, and the feeding driving mechanism can drive the feeding clamps to slide in the feeding guide rails in a lifting mode.

8. The lithium battery K value testing device of claim 7, characterized in that: the battery detection device is characterized in that the feeding frame is provided with a feeding mechanism, the feeding mechanism is used for pushing a battery from the feeding clamp to a corresponding position of the detection mechanism, the feeding mechanism comprises a feeding fixing plate, the feeding fixing plate is connected with the feeding frame, a feeding cylinder is arranged on the feeding fixing plate, and a feeding plate is arranged at the conveying end of the feeding cylinder.

9. A lithium battery K-value testing device according to any one of claims 1-3, characterized in that: the blanking mechanism comprises a blanking frame, a blanking driving mechanism and a pulling mechanism, the blanking frame is connected with the machine table, the blanking driving mechanism and the pulling mechanism are respectively connected with the blanking frame, two blanking guide rails are arranged on the blanking frame in parallel, a blanking clamp is arranged on each blanking guide rail in a sliding mode respectively, the two blanking clamps are distributed in a mirror image mode, the blanking driving mechanism is respectively connected with the two blanking clamps, the blanking driving mechanism can drive the blanking clamps to slide in a lifting mode on the blanking guide rails, and the pulling mechanism is used for pushing batteries to the corresponding positions of the blanking clamps from the machine table.

10. The lithium battery K value testing device of claim 9, wherein: the blanking clamp comprises a blanking sliding block, the blanking sliding block is connected with the blanking guide rail in a sliding mode, a blanking clamping cylinder is arranged on the blanking sliding block, and a blanking clamping block is arranged at the output end of the blanking clamping cylinder.

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