CN218554842U

CN218554842U - Full-automatic OCV tests sorting machine

Info

Publication number: CN218554842U
Application number: CN202223129571.4U
Authority: CN
Inventors: 陈银波; 吴瑞铎; 奚继祥
Original assignee: Guangzhou Foszhe Intelligent Technology Co ltd
Current assignee: Guangzhou Foszhe Intelligent Technology Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-03-03
Anticipated expiration: 2032-11-24

Abstract

This application is applicable to lithium cell production technical field, discloses a full-automatic OCV tests sorting machine, full-automatic OCV tests sorting machine includes: frame, fix accredited testing organization and letter sorting mechanism in the frame in proper order, accredited testing organization includes: the belt conveying line is provided with an installation plate; block cylinder and air cylinder down, block cylinder and air cylinder down and install on the mounting panel, be provided with two probes on air cylinder's the depression bar down, the probe is connected with the outside test system electricity, the relative distance of probe is adjustable. This application is through relative distance and many letter sorting passageways that can adjust the probe, has realized can sorting as required to the test of equidimension electric core not.

Description

Full-automatic OCV tests sorting machine

Technical Field

The utility model relates to a lithium cell production technical field, concretely relates to full-automatic OCV tests sorting machine.

Background

Before the energy lithium ion battery pack is assembled, OCV detection is needed, the capacity, current, resistance, impedance, speed, electric leakage, voltage and the like of the battery pack are tested, and a battery core is used as a minimum unit of a power battery and is also an electric energy storage unit which has high energy density and needs to store electric energy as much as possible so that an electric automobile has longer endurance mileage. In addition, the service life of the battery cell is also the most critical factor, and the damage of any one battery cell can cause the damage of the whole battery pack. Therefore, during the production process of the battery core, relevant tests must be carried out to better guarantee the quality of the power battery. The OCV is an Open Circuit Voltage (OCV), and the OCV test is mainly to measure the characteristics of the battery cell by pressing probes connected to a voltage tester and an internal resistance tester on the positive and negative electrodes of the battery cell to obtain parameters such as the K value of the battery cell (voltage drop of the battery cell in unit time), current, voltage, capacitance, and the like, so as to sort out the battery cells with unqualified parameters, thereby ensuring the quality of the finished battery cell. The OCV test is an important part of the cell test.

For the electric cores with different sizes, the existing OCV testing machine cannot realize the OCV testing of the electric cores with different sizes, the testing machine needs to be replaced when the electric cores with different sizes need to be tested, the cost is high, after the OCV testing of the electric cores is completed by the existing OCV testing machine, the electric cores are transported to the NG sorting mechanism through the transporting device, then the NG sorting mechanism screens out unqualified products to be placed independently, the qualified electric cores are subjected to blanking operation, and the qualified electric cores can not be graded according to requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an OCV tests sorting machine can realize carrying out the OCV test and letter sorting to the electric core of equidimension not, solves unable not equidimension electric core of test and can't carry out the problem of stepping to qualified electric core according to the demand.

The technical scheme of the utility model is that: the utility model provides a full-automatic OCV tests sorting machine, includes the frame, still includes accredited testing organization and the letter sorting mechanism of fixing in proper order in the frame, accredited testing organization includes: the belt conveying line is provided with an installation plate; the blocking cylinder is arranged on the mounting plate; the air cylinder pushes down, the air cylinder pushes down is installed on the mounting panel, be provided with two probes on the depression bar of air cylinder pushes down, the probe is connected with outside test system electricity, the relative distance of probe is adjustable, letter sorting mechanism includes: the belt line sorting device comprises a straight line module, a first belt line and a second belt line, wherein the first belt line is arranged on a sliding block of the straight line module, the second belt line is connected with the first belt line in a matched mode, and more than two sorting channels are arranged on the second belt line.

Furthermore, two sides of each sorting channel are respectively provided with a first baffle.

Further, letter sorting mechanism is still including setting up the first fixed bolster in the frame, be provided with first hand-cranking trapezoidal lead screw and first interval alignment jig on the first fixed bolster, first hand-cranking trapezoidal lead screw and first interval alignment jig threaded connection, first interval alignment jig and the first baffle fixed connection of letter sorting passageway.

Further, the testing mechanism also comprises a code scanner fixed on the rack.

Further, belt conveyor line and first belt line both sides are provided with the regulation support respectively, all be provided with the second baffle on the regulation support.

Further, full-automatic OCV tests sorting machine still includes storage mechanism, storage structure with sorting mechanism cooperation is connected.

Further, the storage mechanism comprises a storage support, and a plurality of roller ways matched with the sorting channels are arranged on the storage support, and one end, close to the sorting mechanism, of each roller way is higher than one end, far away from the sorting mechanism, of each roller way.

Furthermore, third baffles are arranged on two sides of each roller way, and a fourth baffle is arranged on one side, away from the sorting mechanism, of each roller way.

Furthermore, second fixing supports are vertically arranged on two sides of the roller way, second hand-operated trapezoidal screw rods and second spacing adjusting frames are arranged on the second fixing supports, and the second spacing adjusting frames are fixedly connected with a third baffle.

Furthermore, the bottoms of the rack and the storage bracket are provided with foot cups.

The utility model discloses an improve and provide a full-automatic OCV test sorting machine here, compare with prior art, have following at least one's improvement and advantage:

1. the utility model can replace manpower and realize full automation;

2. the time required for completing code scanning, OCV detection and sorting of one battery cell is less than 3s, and the production efficiency is greatly improved. Scanning each battery cell to achieve the traceability effect of the whole production process;

3. the probes with adjustable relative distances are arranged to be in contact with the positive electrode and the negative electrode of the battery cell for detection, so that the soft package battery cells with different sizes can be tested;

4. the sorting channel is arranged, the test is completed and then the linear module moves, the different battery cores which are arranged at different gears are moved to the corresponding different channels, the NG channel is moved to the battery cores which cannot scan codes and are abnormal in voltage, and the qualified battery cores are subjected to further grading according to needs.

Drawings

The invention is further explained below with reference to the drawings and examples:

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a schematic structural diagram of a test mechanism of the present application;

FIG. 3 is a schematic view of the sorting mechanism of the present application;

FIG. 4 is a schematic structural view of the storage mechanism of the present application;

FIG. 5 is an enlarged view of a portion of FIG. 2 at A;

fig. 6 is a partially enlarged view of fig. 3 at B.

Description of the reference numerals:

1. a frame; 21. a belt conveying line; 22. mounting a plate; 23. a blocking cylinder; 24. pressing down the air cylinder; 241. a probe; 25. a code scanner; 26. adjusting the bracket; 261. a second baffle; 31. a first belt line; 32. a second belt line; 33. a linear module; 34. a slider; 35. a sorting channel; 351. a first baffle; 36. a first fixed bracket; 361. a first hand-operated trapezoidal screw rod; 362. a first spacing adjustment bracket; 41. a material storage bracket; 42. a roll pass; 421. a third baffle plate; 422. a fourth baffle; 43. a second fixed bracket; 431. a second hand-operated trapezoidal screw rod; 432. a second distance adjusting bracket; 11. a foot cup.

Detailed Description

The present invention will be described in detail below, and it is apparent that the technical solutions in the embodiments of the present invention are described clearly and completely. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

It should also be understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless otherwise specifically stated.

Furthermore, in the description of the present application and the appended claims, the terms "first," "second," "third," and the like are used for distinguishing between descriptions and not necessarily for describing or implying relative importance.

The utility model discloses an improve and provide a full-automatic OCV test sorting machine here, the technical scheme of the utility model is:

as shown in fig. 1, a full-automatic OCV test sorting machine includes a rack 1, and further includes a testing mechanism and a sorting mechanism fixed on the rack 1 in sequence, for testing and sorting electric cores, as shown in fig. 2 and 5, the testing mechanism includes: the belt conveying line 21 is provided with an installation plate 22; the blocking cylinder 23 is arranged on the mounting plate 22 and used for blocking the power failure core; the pressing cylinder 24 is installed on the installation plate 22, and is used for arranging two probes 241 on a pressing rod of the pressing cylinder 24, the probes 241 are electrically connected with an external test system and used for testing the battery cell to realize the function of testing the battery cell to be tested through OCV, the OCV test function of the battery cell can be realized through a conventional test system, the relative distance between the probes 241 is adjustable, for example, magnets are arranged on the pressing rod and the probes 241 and attract each other, so that the positions of the probes 241 are fixed, one of the probes 241 can be pulled out by force when adjustment is needed, and then the probe is moved to a proper position, so that the probe 241 is adsorbed to the pressing rod again; or the slide rail is arranged on the pressure lever, and then the probe 341 is arranged on different slide blocks, so that the relative adjustment of the probe is realized, and the test of the battery cores with different sizes is realized. As shown in fig. 3 and 6, the sorting mechanism includes: sharp module 33, first belt line 31 and second belt line 32, first belt line 31 sets up on the slider 34 of sharp module 33, and slider 34 drives and removes about first belt line 31 for sort electric core, make electric core get into different passageways, second belt line 32 and first belt line 31 cooperation are connected, be provided with letter sorting passageway 35 more than two on the second belt line 32 for the letter sorting of electric core can set up the quantity of letter sorting passageway 35 according to the demand.

Every letter sorting passageway 35 both sides are equallyd divide and are provided with first baffle 351 for distinguish each letter sorting passageway 35, and prevent that electric core from skidding, skew etc..

The sorting mechanism further comprises a first fixing support 36 arranged on the rack 1, a first hand-operated trapezoidal screw 361 and a first distance adjusting frame 362 are arranged on the first fixing support 36 and used for adjusting the position of the sorting channel, the first hand-operated trapezoidal screw 361 and the first distance adjusting frame 362 are in threaded connection, and the first distance adjusting frame 362 is fixedly connected with a first baffle 351 of the sorting channel 35 and used for adjusting the position of the sorting channel 35.

As shown in fig. 2 and 5, the testing mechanism further includes a code scanner 25 fixed on the rack 1, and configured to scan the cells.

Belt conveying

line

21 and 31 both sides of first belt line are provided with regulation support 26 respectively, all be provided with second baffle 261 on the regulation support 26, adjust the second baffle through adjusting the support, realize the change of material loading passageway width for adapt to the not electric core of equidimension, and prevent that electric core from taking place the skew or skid.

As shown in fig. 4, the full-automatic OCV test sorting machine further comprises a storage mechanism, wherein the storage mechanism is connected with the sorting mechanism in a matched manner, and is used for storing the battery cell after the sorting is completed.

As shown in fig. 4, the storing mechanism includes a storing frame 41, and a plurality of roller ways 42 disposed on the storing frame 41 and cooperating with the sorting channel 35, wherein an end of the roller way 42 close to the sorting mechanism is higher than an end far from the sorting mechanism, so that the roller way 42 generates a gradient to allow the battery cells to naturally slide down for storage.

Third baffles 421 are disposed on two sides of each roller way 42 for distinguishing the roller ways 42, and a fourth baffle 422 is disposed on one side of the roller way 42 away from the sorting mechanism for stopping the battery cell from sliding down to store the battery cell.

Second fixing supports 43 are vertically arranged on two sides of the roller way 42, a second hand-operated trapezoidal screw rod 431 and a second spacing adjusting frame 432 are arranged on the second fixing supports 43, and the second spacing adjusting frame 432 is fixedly connected with a third baffle 421 and used for adjusting the roller way 42, so that the roller way 42 can be matched with the sorting channel 35, the situation that the two channels are not matched well to clamp the electric core is prevented, and the electric core is better stored.

As shown in fig. 1, the rack 1 and the bottom of the storage rack 41 are provided with the foot cup 11, so that the OCV test sorting machine can be stably fixed on the ground and does not shake during operation.

The working principle is as follows: during testing, a worker places a battery cell on the belt conveying line 21, the adjusting supports on the two sides of the belt conveying line can adjust the first baffle plate, so that the width of the belt conveying line is changed to adapt to battery cells of different sizes, the battery cells on the belt conveying line are prevented from rolling, sliding or deviating, transmission is carried out more stably, the battery cells are moved to a testing position through transmission of the belt conveying line 21, then the push rod of the blocking cylinder 23 extends out to block the battery cells, the battery cells stop moving, then the pressing cylinder 24 drives the probe 241 to press downwards, the probe 241 is in contact with the lug of the battery cells, an external testing system tests the battery cells, the code scanner 25 scans the battery cells, and after the testing and code scanning are completed, the push rod of the blocking cylinder 23 retracts, and the battery cells move to a sorting mechanism under the action of the belt conveying line 21; during the letter sorting, electric core passes through belt conveyor line 21 and removes to first belt line 31 on, belt line 31 is under the drive of sharp module 33 slider 34, letter sorting passageway the place ahead of difference slides, first belt line 31 of piece 34 according to the sharp module 33 of test result removes to certain letter sorting passageway 35 department of second belt line 32, accomplish the back with letter sorting passageway cooperation, under the drive of first belt line 31, make electric core get into corresponding letter sorting passageway 35, the baffle of first belt line and letter sorting passageway both sides can be fixed a position, make the transportation line of electric core between first belt line and letter sorting passageway can dock the accuracy, do not take place the skew, also can block simultaneously electric core on first belt line and the letter sorting passageway takes place to roll, gliding or off tracking etc..

The whole accessible hand cranking wheel of letter sorting passageway 35 is adjusted, realizes the cooperation with last process for electric core can get into different passageways smoothly, can not take place the card pause, and electric core is through the letter sorting back, flows into storage mechanism through second belt line 32, storage mechanism's kun dao 42 is sloping, and electric core can slide down because of the dead weight after getting into kun dao 42, then is blocked by the fourth baffle, realizes the storage. The whole roll passage 42 can be adjusted through a hand-operated wheel and is matched with the sorting passage 35, so that the battery cell can smoothly enter different roll passages 42 and can not be blocked.

Frame 1 and storage support 41's bottom all is provided with foot cup 11 for what test sorting machine can be more firm places subaerial, and difficult the emergence is rocked, makes the test of electric core and letter sorting operation more stable, be difficult for makeing mistakes.

Claims

1. A full-automatic OCV tests the sorting machine, including the stander (1), characterized by, also include fixing testing mechanism and sorting mechanism on the stander (1) sequentially; the test mechanism includes:

the device comprises a belt conveying line (21), wherein a mounting plate (22) is arranged on the belt conveying line (21);

a blocking cylinder (23), the blocking cylinder (23) being mounted on the mounting plate (22);

the device comprises a downward pressing cylinder (24), wherein the downward pressing cylinder (24) is installed on an installation plate (22), two probes (241) are arranged on a pressing rod of the downward pressing cylinder (24), the probes (241) are electrically connected with an external test system, and the relative distance between the probes (241) is adjustable;

sorting mechanism includes sharp module (33), first belt line (31) and second belt line (32), wherein, first belt line (31) set up on slider (34) of sharp module (33), second belt line (32) and first belt line (31) cooperation are connected, be provided with letter sorting passageway (35) more than two on second belt line (32).

2. A fully automatic OCV test handler according to claim 1, characterized in that each of the sorting passages (35) is provided with first baffles (351) on both sides, respectively.

3. The full-automatic OCV test sorting machine according to claim 2, characterized in that the sorting mechanism further comprises a first fixing bracket (36) arranged on the machine frame (1), a first hand-operated trapezoidal screw rod (361) and a first spacing adjusting bracket (362) are arranged on the first fixing bracket (36), the first hand-operated trapezoidal screw rod (361) and the first spacing adjusting bracket (362) are in threaded connection, and the first spacing adjusting bracket (362) and a first baffle (351) of the sorting passage (35) are fixedly connected.

4. A fully automatic OCV test handler according to claim 3, characterized in that the test mechanism further comprises a code scanner (25) fixed to the rack (1).

5. The full-automatic OCV testing and sorting machine according to claim 4, characterized in that the belt conveyor line (21) and the first belt line (31) are respectively provided with an adjusting bracket (26) at two sides, and the adjusting brackets (26) are respectively provided with a second baffle (261).

6. The fully automatic OCV testing and sorting machine according to any one of claims 1-5, further comprising a storage mechanism, wherein the storage mechanism is cooperatively connected with the sorting mechanism.

7. The fully automatic OCV testing and sorting machine according to claim 6, wherein the storage mechanism comprises a storage rack (41), a plurality of roller paths (42) are disposed on the storage rack (41) and cooperate with the sorting passages (35), and one end of the roller paths (42) close to the sorting mechanism is higher than one end far away from the sorting mechanism.

8. The fully automatic OCV testing and sorting machine according to claim 7, wherein each roller way (42) is provided with third baffles (421) on both sides, and a fourth baffle (422) is provided on a side of the roller way (42) away from the sorting mechanism.

9. The full-automatic OCV testing and sorting machine according to claim 7, wherein a second fixing bracket (43) is vertically arranged on each side of the roller way (42), a second manual-rocking trapezoidal screw rod (431) and a second spacing adjusting bracket (432) are arranged on each second fixing bracket (43), and the second spacing adjusting bracket (432) is fixedly connected with a third baffle plate (421).

10. A fully automatic OCV test handler according to claim 9, characterized in that the bottom of the rack (1) and the magazine rack (41) are provided with a foot cup (11).