CN113324706A - Lithium battery leakage detection equipment - Google Patents

Abstract

The invention belongs to the technical field of battery detection, and particularly relates to lithium battery leakage detection equipment. The device comprises a cabinet, a turnover feeding device, a feeding and carrying device, a feeding transfer and carrying platform, a test and carrying device and a battery test device, wherein the turnover feeding device, the feeding and carrying device, the feeding transfer and carrying platform, the test and carrying device and the battery test device are arranged on the cabinet; the loading transfer carrying platform is positioned between the overturning loading device and the battery testing device; the charging and carrying device is positioned above the tail end of the overturning and charging device and is matched with the overturning and charging device so as to vertically carry the battery to the charging, transferring and carrying platform; the test carrying device is positioned above the loading transfer carrying platform and the battery testing device and is matched with the loading transfer carrying platform and the battery testing device, so that the battery is vertically carried into the battery testing device. Compared with the prior art, the lithium battery leakage detection equipment realizes full-automatic control of the leakage detection equipment, has high automation degree, and can greatly improve the detection efficiency of the equipment and reduce the labor intensity and the leakage detection rate of workers.

Description

Lithium battery leakage detection equipment

Technical Field

The invention belongs to the technical field of battery detection, and particularly relates to lithium battery leakage detection equipment.

Background

With the popularization of new energy automobiles, the output of automobile power batteries is increased year by year, and the demand of the society on the batteries is gradually increased. In the traditional lithium battery leakage detection, whether the battery is damaged or not is usually judged manually from the appearance of the product, so that the detection efficiency is low, and the leakage detection rate is high; the other common detection mode is CCD camera detection, and the battery leakage position is generally sealed, so that the leakage detection phenomenon is easy to occur due to the adoption of the CCD camera detection, and the leakage detection rate is relatively high.

In the existing battery leakage detection method, batteries are generally flatly placed in a test mold cavity in multiple layers, and a lifter pulls multiple layers of trays to realize layered picking and placing of the batteries, so that the structure is complex and the detection efficiency is low; meanwhile, the vacuumizing interface, the positive pressure charging structure and the testing air channel interface are arranged at the top and the bottom of the testing mold cavity, air flow is uniformly distributed in the length direction of the battery to be detected, and leakage of a battery product with a large length-width ratio difference is easy to miss detection.

Therefore, a novel lithium battery leakage detection device is urgently developed and used for leakage detection of lithium batteries.

Disclosure of Invention

The invention aims to provide lithium battery leakage detection equipment, which realizes full-automatic control of the leakage detection equipment, has high automation degree, and can greatly improve the detection efficiency of the equipment and reduce the labor intensity and the leakage detection rate of workers.

The invention adopts the following technical scheme: a lithium battery leakage detection device comprises a cabinet, and an overturning feeding device, a feeding carrying device, a feeding transfer carrying platform, a testing carrying device and a battery testing device which are arranged on the cabinet;

the loading transfer carrying platform is positioned between the overturning loading device and the battery testing device;

the charging and carrying device is positioned above the tail end of the overturning and charging device and is matched with the overturning and charging device so as to vertically carry the battery to the charging, transferring and carrying platform; the test carrying device is positioned above the loading transfer carrying platform and the battery testing device and is matched with the loading transfer carrying platform and the battery testing device, so that the battery is vertically carried into the battery testing device.

Furthermore, the battery testing device comprises a testing frame arranged on the cabinet, and a sliding testing die body, a downward moving manipulator and a testing die body which are respectively arranged on the testing frame; the sliding test die body is slidably mounted on the test frame; the downward moving manipulator is installed at the front end of the test frame and is in transmission connection with the sliding test die body so as to transmit the sliding test die body and the test die body to be closed or opened in a drawing mode.

Further, the sliding test die body comprises a die body base and a storage platform arranged on the die body base, and a plurality of battery placing positions used for placing batteries are arranged on the storage platform.

Furthermore, an air exhaust opening and an air inflation opening are respectively formed in the left side and the right side of the testing die body, the air exhaust opening is communicated with the vacuumizing mechanism, and the air inflation opening is communicated with the air inflation mechanism.

Furthermore, the battery testing device also comprises a locking mechanism arranged on the testing frame;

the locking mechanism comprises a locking cylinder and a locking clamping piece arranged at the rotating end of the locking cylinder, and the locking clamping piece is positioned at the front end of the testing die body so as to lock the die cavity after the sliding testing die body and the testing die body are assembled.

Further, upset loading attachment includes the material loading frame, by preceding pan feeding mechanism, rotary mechanism and NG discharge mechanism that has set gradually after to in the material loading frame, wherein:

the terminal of pan feeding mechanism is equipped with sweeps a yard mechanism, rotary mechanism includes rotary fixture, rotary fixture will battery in the pan feeding mechanism erects the conveying to material loading handling device or on the NG discharge mechanism.

Furthermore, the feeding mechanism comprises a first support fixedly arranged on the feeding rack, a first template fixedly connected with the upper end of the first support, and a first bearing plate fixedly connected with the upper end of the first template, a feeding belt transmission assembly is arranged below the first bearing plate, the feeding belt transmission assembly comprises a feeding conveyor belt, the upper belt body of the feeding conveyor belt is positioned above the first bearing plate, and the lower belt body of the feeding conveyor belt is positioned below the first bearing plate;

and the upper end of the first supporting plate is positioned at two sides of the feeding conveyor belt, and blocking strips are movably arranged at the two sides of the feeding conveyor belt, and the lowermost ends of the blocking strips are lower than the uppermost ends of the belt bodies at the upper part of the feeding conveyor belt.

Further, the material loading and carrying device comprises a carrying support frame fixedly arranged on the cabinet, a horizontal moving module arranged on the carrying support frame and a vertical moving module arranged on the horizontal moving module, wherein a first carrying mechanical arm is arranged at the bottom end of the vertical moving module and is positioned above the rotary fixture.

Further, the test carrying device comprises a carrying rack, a cross sliding mechanism arranged on the carrying rack, and a clamping carrying mechanism arranged on the cross sliding mechanism and used for carrying the battery;

the clamping and carrying mechanism comprises a base, a rotating hook assembly, a rotating hook cylinder, a clamping assembly and a clamping cylinder, wherein the rotating hook assembly, the rotating hook cylinder, the clamping assembly and the clamping cylinder are mounted on the base; the rotating hook cylinder is movably connected with the rotating hook assembly and drives the rotating hook assembly to rotate; the clamping cylinder is connected with the clamping assembly.

Further, the hook component comprises:

the two racks are arranged on the left side and the right side of the base in parallel and are connected with the rotating hook air cylinder;

the rotary hook pieces are L-shaped and are divided into two groups to be arranged on the outer sides of the racks, the tops of the rotary hook pieces are rotatably connected with the base, gears are sleeved in the middle of the rotary hook pieces, and the gears are in meshed transmission connection with the racks;

the clamping assembly includes:

the movable columns are divided into two groups and are oppositely arranged on the inner side of the rack; and two sets of movable post are all installed in the bottom of push pedal, push pedal slidable mounting is on the base, the push pedal with die clamping cylinder connects, drives movable post is to being close to or keeping away from adjacent the direction of commentaries on classics hook member removes.

Compared with the prior art, the invention has the following beneficial effects:

1) according to the lithium battery leakage detection equipment, the full-automatic control of the leakage detection equipment is realized through the matching of the overturning feeding device, the feeding carrying device, the feeding transfer carrying platform, the test carrying device and the battery test device, the automation degree is high, the detection efficiency of the equipment can be greatly improved, and the labor intensity and the leakage detection rate of workers are reduced. Meanwhile, the feeding and discharging actions are simple, the time is short, and the efficiency is high.

2) This battery automatic feeding mechanism passes through rotary mechanism and sweeps the setting of sign indicating number mechanism, makes the qualified battery of preliminary examination pass through the 90 rotatory next process with the state entering of erectting of rotary fixture in, and the unqualified product of preliminary examination passes through 180 rotations of rotary fixture and enters into NG discharge mechanism with the horizontally state on. The whole structure is simple, and the automation degree is high.

3) The automatic battery feeding mechanism is characterized in that blocking strips are movably arranged at the two sides of a feeding conveyor belt at the upper end of a first supporting plate, the lowest ends of the blocking strips are lower than the uppermost end of the belt body at the upper part of the feeding conveyor belt, so that the problem that batteries are cut off and rubbed and the batteries are not in a power failure due to the interference of the batteries and other parts in the transmission process is avoided, and the batteries can be prevented from falling off in the transmission process through the arrangement of the movable blocking strips, and the feeding mechanism can be compatible with the batteries with different sizes.

4) This test handling device sets up cross glide machanism, drives the removal that presss from both sides tight handling mechanism, realizes pressing from both sides the accurate adjustment of tight handling mechanism position. Meanwhile, the clamping and carrying mechanism comprises a rotating hook assembly and a clamping assembly, and the limiting hook and the clamping limiting of the battery are realized through the matching of the rotating hook and the clamping limiting, so that the battery is carried; set up the quality that prevents that the battery that clamping assembly can be further from taking place to rock in the transport, avoid influencing the battery and put into lithium cell weeping check out test set's detection die cavity. In addition, the test carrying device replaces the traditional manual carrying operation mode, shortens the working time, greatly improves the production efficiency and reduces the labor intensity of workers; the labor cost is saved, the automatic control of the carrying process is realized, and the quality of the battery carried into the detection die cavity due to the difference of the service levels of the operating personnel is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of an embodiment of a lithium battery leakage detection apparatus according to the present invention;

FIG. 2 is a schematic structural view of the turning loading device and the loading and carrying device shown in FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic structural view of a feeding mechanism of the turnover feeding device of the present invention;

FIG. 5 is a schematic structural view of a rotating mechanism of the turnover feeding device of the present invention;

FIG. 6 is a schematic structural view of an NG blanking mechanism of the turnover loading device of the present invention;

FIG. 7 is a schematic structural view of a loading and carrying apparatus according to the present invention;

FIG. 8 is a schematic structural view of a test handler apparatus of the present invention;

FIG. 9 is a schematic structural view (one) of the clamping and carrying mechanism in FIG. 8;

FIG. 10 is an enlarged view of a portion of the clamp handling mechanism of FIG. 8;

FIG. 11 is a schematic structural view (II) of the clamping and conveying mechanism in FIG. 8;

FIG. 12 is a schematic structural view (III) of the clamping and conveying mechanism in FIG. 8;

FIG. 13 is a schematic structural diagram of the test mold body of FIG. 1;

FIG. 14 is a schematic structural diagram of the battery testing apparatus of FIG. 1;

wherein: a cabinet 1;

the automatic feeding device comprises a turnover feeding device 2, a feeding rack 21, a feeding mechanism 22, a first support 221, a first shaping plate 222, a first supporting plate 223, a feeding conveyor belt 224, a blocking strip 225, a clamping space 226, a rotating mechanism 23, a rotating clamp 231, a clamping groove 2311, a support 232, a first vertical plate 233, a second vertical plate 234, a rotating shaft 235, a code scanning mechanism 24, a battery 25, an NG discharging mechanism 26, a second support 261, a second shaping plate 262, a second supporting plate 263 and a discharging conveyor belt 264;

the loading and conveying device 3, the conveying support frame 31, the horizontal moving module 32, the vertical moving module 33 and the first conveying manipulator 34;

the loading transfer carrying platform 4, the platform base 41, the sliding module 42 and the battery tray 43;

the test carrying device 5, a carrying rack 51, a cross sliding mechanism 52, a clamping carrying mechanism 53, a base 530, a rotating hook component 531, a rack 5311, a rotating hook component 5312, a gear 5313, a rotating hook cylinder 532, a clamping component 533, a limiting block 5331, a movable column 5332, a push plate 5333, a clamping cylinder 534 and a limiting block 535;

the device comprises a battery testing device 6, a testing frame 60, a sliding testing mold body 61, a mold body base 611, a storage table 612, a downward moving manipulator 62, a testing mold body 63, an air pumping port 631, an air charging port 632 and a locking mechanism 64;

a blanking transfer carrying platform 7;

testing the blanking conveying device 8;

a blanking and conveying device 9;

turning over the blanking device 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "disposed," "connected," "disposed," and "communicating" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

The invention will be discussed in detail below with reference to figures 1 to 14 and the specific embodiments:

as shown in fig. 1 to 14, the present invention provides a lithium battery leakage detection apparatus, which includes a cabinet 1, an overturning loading device 2, a loading and transporting device 3, a loading, transferring and transporting platform 4, a testing and transporting device 5, and a battery testing device 6, which are installed on the cabinet 1.

The loading, transferring and carrying platform 4 is positioned between the overturning and loading device 2 and the battery testing device 6; the loading and carrying device 3 is positioned above the tail end of the overturning and loading device 2 and is matched with the overturning and loading device 2 so as to vertically carry the batteries to the loading, transferring and carrying platform 4; the test handling device 5 is located above the loading transfer handling platform 4 and the battery testing device 6, and the three are matched with each other, so that the battery is in a vertical state, and the battery in the vertical state is conveyed into the battery testing device 6 from the loading transfer handling platform 4, and battery leakage detection is carried out.

The lithium battery leakage detection equipment of the invention has the following general working process:

firstly, the batteries are horizontally loaded and overturned by the overturning loading device 2, so that the batteries are in a vertical state and are conveyed to the loading and conveying device 3; the feeding and carrying device 3 is used for carrying the batteries in the vertical state to the feeding transfer and carrying platform 4 for transferring and feeding; the test handling device 5 is used for transferring the battery on the loading transfer handling platform 4 to the battery testing device 6, and the battery testing device 6 detects whether the battery is leaked.

According to the lithium battery leakage detection equipment, the turnover feeding device 2, the feeding carrying device 3, the feeding transfer carrying platform 4, the test carrying device 5 and the battery test device 6 are matched, so that full-automatic control of the leakage detection equipment is realized, the automation degree is high, the detection efficiency of the equipment can be greatly improved, and the labor intensity and the omission ratio of workers are reduced. Meanwhile, the feeding and discharging actions are simple, the time is short, and the efficiency is high.

Of course, the lithium battery leakage detection equipment can also comprise a blanking transfer carrying platform 7, a test blanking carrying device 8, a blanking carrying device 9 and an overturning blanking device 10. The blanking transfer carrying platform 7 is positioned between the battery testing device 6 and the overturning blanking device 10; the test blanking conveying device 8 is positioned above the blanking transfer conveying platform 8 and the battery test device 6, and the three are mutually matched, so that the batteries subjected to leakage detection are conveyed from the battery test device 6 to the blanking transfer conveying platform 8; the blanking conveying device 9 is positioned above one end of the turning and blanking device 10 and is matched with the turning and blanking device 10, the vertical batteries on the blanking transfer conveying platform 8 are conveyed to the turning and blanking device 10, and the turning and blanking device 10 turns the vertical batteries to be in a horizontal state and correspondingly conveys the vertical batteries to the next process; and a blanking transfer carrying platform 7, a test blanking carrying device 8, a blanking carrying device 9 and a turnover blanking device 10 are additionally arranged, so that the automatic control of the whole machine is further realized, and the automation degree is improved.

It should be noted that the blanking relay conveying platform 7, the test blanking conveying device 8, the blanking conveying device 9, and the turning blanking device 10 are not specifically limited in the present invention, and those skilled in the art can design the devices with reference to the turning feeding device 2, the feeding conveying device 3, the feeding relay conveying platform 4, and the test conveying device 5. In the embodiment, the test blanking conveying device 8 is replaced by the test conveying device 5, that is, the test conveying device 5 can realize both the feeding conveying before the test and the blanking conveying after the test.

Further, in some embodiments of the present invention, the battery testing apparatus 6 is optimized correspondingly, and the specific technical solution is as follows:

the battery testing device 6 comprises a testing frame 60 arranged on the cabinet 1, and a sliding testing mold body 61, a downward moving manipulator 62 and a testing mold body 63 which are respectively arranged on the testing frame 60; the sliding test die body 61 is slidably mounted on the test frame 60; the downward moving manipulator 62 is mounted at the front end of the test frame 60, and the downward moving manipulator 62 is in transmission connection with the sliding test die body 61 so as to transmit the sliding test die body 61 and the test die body 63 to be closed or opened in a drawing mode; when the sliding test die body 61 and the test die body 63 are assembled, a closed die cavity is formed and used for placing a battery for leakage detection. The traditional upper and lower structural design of the test die cavity is changed into a drawer type structure, the die closing action is changed from the traditional forward in place to carry out die closing, and the corresponding change is to forward in place to realize die closing, so that the die closing time is saved, and the overall working efficiency is improved.

Specifically, this slippage test die body 61 includes die body base 611 and installs storing platform 612 on the die body base 611, storing platform 612 is seted up a plurality of battery places positions that are used for erectting the battery of placing, erects the battery and places on storing platform 612 with certain interval, but the high space of make full use of die cavity improves the utilization ratio of die cavity, and improves detection efficiency. Of course, the storage platform 612 can be provided with multiple layers, and can be designed by referring to a multi-layer drawer structure, so as to further maximize the utilization of the mold cavity space.

Specifically, an air suction port 631 and an air inflation port 632 are respectively formed in the left side and the right side of the test die body 63, and the air suction port 631 is communicated with a vacuumizing mechanism to realize vacuumizing of the test die cavity; the inflation inlet 632 is communicated with an inflation mechanism to detect the positive pressure in the die cavity and reduce the missing rate. In this embodiment, the air exhaust ports 631 and the air charging ports 632 are respectively provided with a plurality of air exhaust ports 631 and air charging ports 632, and the air exhaust ports 631 and the air charging ports 632 are arranged at intervals along the length direction of the testing mold body 63, and the positions of the air exhaust ports 631 and the air charging ports 632 are opposite to the positions where the batteries to be tested are placed, so that each channel of the batteries to be tested is provided with one air exhaust port 631 and one air charging port 632, thereby facilitating the formation of air convection, ensuring that more gases leaked from the batteries are detected by the detection mechanism, and improving the detection rate. Meanwhile, the test air path interfaces are arranged on the left side and the right side of the die cavity, and the air suction port 631, the air charging port 632 and the test air path interfaces are arranged on the left side and the right side of the die cavity, so that the air flow is fully ensured to uniformly pass through the surface of each battery, the problem of low leakage detection rate of batteries with large length-width ratio difference is solved, and the consistency of the leakage detection rate of the batteries at different positions in the die cavity is effectively ensured; particularly, for the detection of the battery products with the length-width ratio of more than 4:1, the leakage at the head and the tail parts is easy to miss detection by adopting the traditional detection equipment, and the leakage detection by adopting the equipment can detect the leakage at each position, so that the detection efficiency is high.

Specifically, the downward moving manipulator 62 may adopt an existing linear module to drive the sliding testing mold body 61 to slide on the testing jig 60, and the form of the linear module is not specifically limited, and may adopt a lead screw linear module or a belt linear module, which is designed and selected by those skilled in the art according to actual situations.

Specifically, the battery test apparatus 6 further includes a locking mechanism 64 mounted on the test rack 60. The locking mechanism 64 comprises a locking cylinder 641 and a locking clamping piece 642 installed at the rotating end of the locking cylinder 641, the locking clamping piece 642 is located at the front end of the testing die body 63, and in operation, after the sliding testing die body 61 and the testing die body 63 are assembled, the locking cylinder 641 drives the locking clamping piece 642 to rotate, so that the locking of a die cavity is realized, the sealing performance after the die assembly is improved, and the missing rate is reduced.

Of course, the battery testing apparatus 6 further includes a detection mechanism for detecting the leakage of the battery, and the detection mechanism is designed and selected by those skilled in the art according to actual situations, and will not be described herein.

The leak detection process of the battery test apparatus 6 is as follows:

1) the battery to be detected is placed at the battery placing position of the storage table 612, the sliding test die body 61 and the test die body 63 are assembled, and the die cavity is locked through the locking cylinder 641.

2) And vacuumizing the battery to be detected in the sealed die cavity to a set value, wherein the vacuum set value is generally in a range of 0 to 100 KPa.

3) The vacuum setting is maintained for a set time, typically in the range of 1 to 60 seconds.

4) And filling positive pressure into the closed die cavity and continuing for a set time.

5) The detection mechanism intervenes to detect the gas components in the closed space.

6) And judging the gas composition to determine whether the battery to be detected leaks.

Further, in some embodiments of the present invention, the turning feeding device 2 is also optimally designed, and the specific technical solution is as follows:

upset loading attachment 2 includes feed frame 21, by preceding pan feeding mechanism 22, rotary mechanism 23 and NG discharge mechanism 26 that has set gradually after to on the feed frame 21, wherein:

the tail end of the feeding mechanism 22 is provided with a code scanning mechanism 24, and the code scanning mechanism 24 is used for scanning the battery 25 so as to read the codes on the surface of the battery 25; the rotating mechanism 23 comprises a rotating clamp 231, and the rotating clamp 231 vertically conveys the battery 25 with qualified code scanning on the feeding mechanism 22 to the loading and conveying device 23 or horizontally conveys the battery 25 with unqualified code scanning to the NG discharging mechanism 26.

Specifically, the feeding mechanism 22 includes a first support 221 fixedly disposed on the feeding frame 21, a first shaping plate 222 fixedly connected to an upper end of the first support 221, and a first support plate 223 fixedly connected to an upper end of the first shaping plate 222, a feeding belt transmission assembly is disposed below the first support plate 223, the feeding belt transmission assembly includes a feeding conveyor belt 224 and a servo motor transmission assembly driving the feeding conveyor belt 224, an upper belt body of the feeding conveyor belt 224 is disposed above the first support plate 223, and a lower belt body of the feeding conveyor belt 224 is disposed below the first support plate 223. In this embodiment, the lower belt body of the feeding conveyor 224 is located below the first shaping plate 222, the width of the first shaping plate 222 is matched with the width of the feeding conveyor 224, and the length is smaller than the length of the upper belt body or the lower belt body of the feeding conveyor 224, the first shaping plate 222 is mainly used for installing the feeding conveyor transmission assembly and the first support plate 223, so as to increase the structural stability; it is contemplated that in other embodiments, the first shaping plate 222 and the first support plate 223 may be designed as an integrally formed structure, and the combined longitudinal section of the two forms is T-shaped, so long as the same effect as that of the present embodiment can be achieved, and the present invention is within the protection scope of the present invention.

Specifically, the upper end of the first supporting plate 223 is movably provided with the blocking strips 225 at two sides of the feeding conveyor belt 224, the feeding mechanism 22 can be compatible with batteries 25 with different sizes by adopting a mode of adjusting the blocking strips 225, the lowest ends of the blocking strips 225 are lower than the uppermost ends of the belt bodies on the upper portion of the feeding conveyor belt 224, specifically, the two ends of the first supporting plate 223 are provided with the blocking strip mounting plates, the blocking strips 225 are mounted on the blocking strip mounting plates, the height of the upper surface of the belt body on the upper portion of the feeding conveyor belt 224 is about 2-3mm higher than that of the blocking strip 225 mounting plates, the batteries 25 can be prevented from being scratched and skewed with the blocking strip mounting plates in the transmission process, and the stability of the batteries in the transmission process can be ensured.

Specifically, the tail end of the feeding conveyor belt 224 protrudes out of the tail end of the first support plate 223, that is, there is no first support plate 223 below the terminal point of the feeding conveyor belt 224, the two ends of the terminal point of the feeding conveyor belt 224 are clamping spaces 226, and the first support plate 223 is butted with the rotary clamp 231 at the clamping spaces 226 at the two ends of the feeding conveyor belt 224, so as to convey the battery 25 on the feeding conveyor belt 224 to the rotary clamp 231; it can be known from the general knowledge that, since the rotating jig 231 of the embodiment only has the rotating function, if the battery 25 is to enter the rotating jig 231, it needs to be assisted by external force, the clamping grooves of the rotating jig 231 are arranged at the two ends of the feeding conveyor belt, when the battery 25 is transmitted to the end point, the battery 25 is continuously conveyed forward, and gradually enters the jig grooves of the rotating jig 231 under the power of the feeding conveyor belt 24, and then the battery 25 is in the vertical state or the turnover horizontal state through the rotation of the rotating jig 231.

Specifically, the rotating mechanism 23 includes a bracket 232 fixedly arranged on the loading frame 21, the bracket 232 is U-shaped and includes a first vertical plate 233 and a second vertical plate 234, the first vertical plate 233 and the second vertical plate 234 are respectively located at two ends of the first supporting plate 223 in the width direction, a rotating shaft 235 is installed between the first vertical plate 233 and the second vertical plate 234, the rotating shaft 235 is driven to rotate by a motor, two rotating fixtures 231 are fixedly sleeved on the rotating shaft 235, the two rotating fixtures 231 are respectively located at two ends of the loading conveyor belt 224, each rotating fixture 231 is a circular fixture, the circular fixture is circumferentially arrayed with 4 clamping grooves 2311, the width of each clamping groove 2311 is greater than the thickness of the battery 25 and is used for accommodating the battery 25; the 4 clamping grooves 2311 of this embodiment are all arranged along the radial direction of the rotary fixture 231, the angle between two adjacent clamping grooves 2311 is 90 degrees, the batteries 25 conveyed by the feeding mechanism 22 can be continuously clamped and conveyed by the plurality of clamping grooves 2311, and the feeding efficiency is greatly improved.

Specifically, the NG discharging mechanism 26 includes a second support 261, a second molding plate 262 fixedly connected to the upper end of the second support 261, and a second supporting plate 263 fixedly connected to the upper end of the second molding plate 262, a blanking belt transmission assembly is provided below the second supporting plate 263, the blanking belt transmission assembly includes a blanking conveyor belt 264, an upper belt body of the blanking conveyor belt 264 is located above the second supporting plate 263, and a lower belt body of the blanking conveyor belt 264 is located below the second supporting plate 263. In this embodiment, the lower belt body of the blanking conveyor belt 264 is located below the second profiled bar 262, the width of the second profiled bar 262 is matched with the width of the blanking conveyor belt 264, the length is smaller than the length of the upper belt body or the lower belt body of the blanking conveyor belt 264, and the second profiled bar 262 is mainly used for installing a blanking belt transmission assembly and a second support plate 263, so as to increase the structural stability; it is contemplated that in other embodiments, the second mold plate 262 and the second support plate 263 may be designed as an integral structure, and the combined longitudinal section of the two is T-shaped, so long as the same effect as the present embodiment can be achieved, which falls within the protection scope of the present invention.

Specifically, the head end of the blanking conveyor belt 264 protrudes out of the head end of the second support plate 263, so that two sides of the head end of the blanking conveyor belt 264 are clamping spaces, the rotary clamp 231 is located in the clamping space and is butted with the second support plate 263 to convey the NG battery 25, and the structure of the rotary clamp is consistent with that of the tail end of the feeding conveyor belt.

Specifically, the barcode scanner 24 includes a barcode scanner, and the battery 25 is rotated to the vertical position by the rotating jig 231, and the barcode scanner scans the back surface of the battery 25.

The general working principle of the turning and feeding device 2 is as follows: the battery 25 is horizontally conveyed rightwards through the feeding conveyor belt 224, when the battery 25 is conveyed to the end point of the feeding conveyor belt 224, the battery 25 is transferred to the rotary clamp 231, the rotary clamp 231 drives the battery 25 to rotate upwards by 90 degrees, then code scanning recording is carried out on the back surface of the battery 25 through the code scanner, the battery 25 qualified in code scanning is clamped by the manipulator, moves upwards to be separated from the rotary clamp 231, and then moves horizontally to the next process; for sweeping the unqualified battery 25 in code, the rotating fixture 231 continues to drive the battery to rotate by 90 degrees to a horizontal position, the battery 25 after overturning is transmitted to the NG discharging mechanism 26, and the unqualified battery 25 is taken out through manual work or other equipment.

Further, the material loading and conveying device 3 is designed in detail in some embodiments, and the technical scheme is as follows: the feeding and carrying device 3 is used for clamping and taking the battery 25 on the rotating mechanism 23 and conveying the battery to the next process, and comprises a carrying support frame 31 fixedly arranged on the cabinet 1, a horizontal moving module 32 arranged on the carrying support frame 31, and a vertical moving module 33 arranged on the horizontal moving module 32, wherein a first carrying manipulator 34 is arranged at the bottom end of the vertical moving module 33, and the first carrying manipulator 34 is positioned above the rotating clamp 231.

Specifically, the first carrying manipulator 34 uses an open clamp cylinder to clamp the battery and carry the battery into the battery tray of the material transfer carrying platform 4; because the clearance between the battery in the battery tray is less, and battery thickness variation range is great, uses the opening to press from both sides the size that the cylinder can conveniently control centre gripping battery power, does not scratch the battery in the little clearance simultaneously, avoids causing the damage to the battery.

This material loading handling device 3 mutually supports with upset loading attachment 2 when using, and every battery of carrying of material loading handling device 3, upset loading attachment 2 of below gos forward a battery interval until filling up the battery in the battery tray.

Further, the feeding transfer carrying platform 4 is designed in detail in some embodiments, and the technical scheme is as follows: the loading transfer carrying platform 4 comprises a platform base 41 arranged on the cabinet 1, a sliding module 42 arranged on the platform base 41, and a battery tray 43 arranged on the sliding module 42 and used for placing batteries. The sliding module 42 may be designed with reference to the horizontal moving module 32 or the vertical moving module 33, which is not limited in the present invention. During operation, the sliding module 42 drives the battery tray 43 to slide forwards and backwards, so that the position of the battery tray 43 can be adjusted conveniently, and the battery tray can be butted with other modules conveniently.

Further, in some more specific embodiments, the test handler 5 is designed in detail, and the technical solution is as follows: the test carrying device 5 is used for carrying batteries, and mainly carries the batteries into a detection die cavity of lithium battery leakage detection equipment for leakage detection. The battery clamping and conveying device comprises a conveying rack 51 arranged on the cabinet 1, a cross sliding mechanism 52 arranged on the conveying rack 51, and a clamping and conveying mechanism 53 arranged on the cross sliding mechanism 52 and used for clamping and conveying batteries; the cross sliding mechanism 52 can slide horizontally and vertically to drive the clamping and carrying mechanism 53 mounted on the cross sliding mechanism 52 to move, so as to realize accurate adjustment of the position of the clamping and carrying mechanism 53.

The clamping and carrying mechanism 53 comprises a base 530, and a rotating hook component 531, a rotating hook cylinder 532, a clamping component 533 and a clamping cylinder 534 which are arranged on the base 530; the rotating hook cylinder 532 is movably connected with the rotating hook component 531, and drives the rotating hook component 531 to rotate, so that the rotating hook at the bottom of the rotating hook component 531 rotates to the bottom of the vertical surface of the battery for limiting and hooking the battery; the clamping cylinder 534 is connected with the clamping component 533, and drives the clamping component 533 to limit the battery, so that the battery is prevented from shaking in the carrying process.

The test carrying device 5 is provided with the cross sliding mechanism 52 which drives the clamping and carrying mechanism 53 to move, so that the position of the clamping and carrying mechanism 53 can be accurately adjusted. Meanwhile, the clamping and carrying mechanism 53 comprises a rotating hook component 531 and a clamping component 533, and the limit hooking and the clamping limit of the battery are realized through the matching of the rotating hook and the clamping limit, so that the carrying of the battery is realized; set up that clamp assembly 533 can be further prevent that the battery from taking place to rock in the transport, avoid influencing the quality that the battery put into lithium cell weeping check out test set's detection die intracavity. In addition, the battery carrying device replaces the traditional manual carrying operation mode, shortens the working time, greatly improves the production efficiency and reduces the labor intensity of workers; the labor cost is saved, the automatic control of the carrying process is realized, and the quality of the battery carried into the detection die cavity due to the difference of the service levels of the operating personnel is avoided.

Specifically, in some specific embodiments, the hook component 531 is optimally designed, and the technical scheme is as follows:

the rotating hook assembly 531 includes a rack 5311 and a rotating hook 5312.

And two racks 5311 are arranged on the rack 5311, are arranged on the left side and the right side of the top of the base 530 in parallel, are connected with the rotating hook cylinder 532, and drive the rack 5311 to move back and forth through the rotating hook cylinder 532. In the present invention, the specific connection manner between the hooking cylinder 532 and the rack 5312 is not limited, and in this embodiment, the hooking cylinder 532 is connected to the rack 5312 through the U-shaped frame 535, the closed end of the U-shaped frame 535 is connected to the hooking cylinder 532, the two open ends of the U-shaped frame 535 are respectively fixedly connected to the corresponding racks 5312, and the hooking cylinder 532 drives the two racks 5312 to synchronously move forward and backward by driving the U-shaped frame 535 to move forward and backward.

The rotary hook 5312 is L-shaped, is divided into two groups, and is respectively disposed on the outer side of the rack 5311, the rotary hook 5312 is perpendicular to the base 530, meanwhile, the top of the rotary hook 5312 is rotatably connected to the base 530, a gear 5313 is sleeved on the middle of the rotary hook 5312, and the gear 5313 is in meshing transmission connection with the rack 5311. In this embodiment, a plurality of rotating hook members 5312 are provided in each group, and are arranged at intervals along the length direction of the rack 5311, and the number of the rotating hook members 5312 is matched with the number of batteries placed in a detection cavity in a lithium battery leakage detection device. During operation, the rack 5311 moves to drive the gear 5313 to rotate, so as to drive the hook 5312 to rotate, and the bottom of the hook 5312 rotates from the outside of the battery to the position right below the battery, so as to limit and support the battery.

In other embodiments, the clamping component 533 is also optimally designed, and the technical solution is as follows:

the clamping assembly 533 includes a movable post 5332 and a push plate 5333;

the movable columns 5332 are divided into two groups, and a plurality of movable columns 5332 are arranged in each group and are arranged at intervals along the length direction of the rack 5311; meanwhile, the two groups of movable columns 5332 are arranged in parallel and oppositely at the inner side of the rack 5311; the movable column 5332 is parallel to the rotating hook 5312 and is fixedly arranged at the bottom of the push plate 5333; push plate 5333 sets up along rack 5311 length direction to with push plate 5333 slidable mounting on base 530, push plate 5333 with die clamping cylinder 534 is connected, drives movable post 5332 is to being close to or keeping away from adjacent the direction of commentaries on classics hook 5312 removes to form the spacing chamber of battery between movable post 5332 and adjacent commentaries on classics hook 5312, be used for spacing battery, avoid the battery to rock. When the battery rotating hook is used, the clamping cylinder 534 drives the push plate 5333 to slide, so that the movable column 5332 is driven to move towards or away from the adjacent rotating hook 5312, and a battery limiting cavity is formed between the movable column 5332 and the adjacent rotating hook 5312; according to the thickness of the battery, the distance between the movable column 5332 and the rotary hook 5312 in the length direction of the rack 5311 is adjusted to ensure that the size of the battery limiting cavity is exactly matched with the thickness of the battery.

Specifically, the number of the movable columns 5332 is the same as that of the rotating hook parts 5312, the movable columns 5332 are matched with the adjacent rotating hook parts 5312, and a battery limiting cavity is formed between the movable columns 5332 and the adjacent rotating hook parts 5312, so that multiple groups of battery limiting cavities matched with the number of batteries are formed, and limitation of all the batteries can be realized simultaneously. In addition, the structure of the base 530 is not specifically limited in the present invention, and those skilled in the art can design the base according to actual situations, for example, the structural design in this embodiment can be adopted, that is, the base 530 is a two-layer base structure, which includes an upper base 5301 and a lower base 5302, and preferably, the push plate 5333 is slidably mounted on the upper surface of the lower base 5302, and the lower base 5302 is provided with a plurality of long strip holes; one end of the movable column 5332 is fixedly connected with the push plate 5333, and the other end thereof passes through the corresponding long hole to extend out of the lower base 5302 and is vertical to the lower base 5302; and the clamping cylinder 534 is correspondingly arranged on the lower surface of the upper base 5301 and is used for driving the push plate 5333 to slide, so as to drive the movable column 5332 to slide along the direction of the long hole.

Specifically, a limiting block 5331 is installed at the front end of the base 530, and the limiting block 5331 is vertically arranged; and a limiting rod (not shown in the figure) is installed on the limiting block 5331, and the limiting rod is perpendicular to the limiting block 5331 and used for limiting the sliding amount of the push plate 5333 and preventing the clamping cylinder 534 from driving the push plate 5333 to excessively slide so as to excessively limit the battery and damage the battery.

Specifically, the cross sliding mechanism 52 of the present invention only needs to drive the clamping and transporting mechanism 53 to slide up and down, and the present invention is not limited in particular, if it can adopt a belt linear module or a lead screw linear module. In this embodiment, the cross sliding mechanism 52 adopts a belt linear module, and the specific structural design is as follows: the cross sliding mechanism 52 includes a first sliding component 520 and a second sliding component 521 perpendicular to the first sliding component 520. This first subassembly 520 that slides includes fixed mounting and is in first supporting seat on the transport frame 51, install first belt subassembly on the first supporting seat, install on first belt subassembly's the belt and with first supporting seat sliding connection's first platform and install slide on the first supporting seat and with the first driving motor that first belt subassembly is connected. When the cross-shaped sliding device works, the first belt component is driven to work through the first driving motor, the first sliding table arranged on the first belt component is driven to slide, and then the clamping and carrying mechanism 53 arranged on the first sliding table is driven to slide together, so that the cross-shaped sliding of the clamping and carrying mechanism 53 is realized; and the belt is adopted for transmission, so that the transmission stability is good.

Similarly, the second sliding assembly 521 can adopt the same structural design as the first sliding assembly 520, and will not be described herein again.

The general operation of the test handler 5 of the present invention: firstly, the cross sliding mechanism 52 adjusts the position of the clamping and conveying mechanism 53, and the clamping and conveying mechanism 53 is lowered to the bottom of the vertical surface of the battery; the rack 5311 is driven to move back and forth by the hook rotating cylinder 532, the hook rotating piece 5312 is driven to rotate, the bottom of the hook rotating piece 5312 rotates to be positioned right below the battery from the outer side of the battery, and the battery is supported in a limiting manner; meanwhile, the clamping cylinder 534 is started, the push plate 533 is driven to slide through the clamping cylinder 534, the movable column 5332 is driven to move towards the direction close to the adjacent rotating hook part 5312, the clamping of the battery is limited, the battery is prevented from shaking in the carrying process, the quality of the battery in a detection mold cavity of the lithium battery leakage detection device is affected, and the battery cannot be placed into the detection mold cavity even if the battery is seriously placed into the detection mold cavity.

The present invention has been further described with reference to specific embodiments, but it should be understood that the detailed description should not be construed as limiting the spirit and scope of the present invention, and various modifications made to the above-described embodiments by those of ordinary skill in the art after reading this specification are within the scope of the present invention.

Claims (10)

1. The utility model provides a lithium cell leakage detection equipment which characterized in that:

the device comprises a cabinet, and an overturning feeding device, a feeding carrying device, a feeding transfer carrying platform, a test carrying device and a battery test device which are arranged on the cabinet;

the loading transfer carrying platform is positioned between the overturning loading device and the battery testing device;

the charging and carrying device is positioned above the tail end of the overturning and charging device and is matched with the overturning and charging device so as to vertically carry the battery to the charging, transferring and carrying platform; the test carrying device is positioned above the loading transfer carrying platform and the battery testing device and is matched with the loading transfer carrying platform and the battery testing device, so that the battery is vertically carried into the battery testing device.

2. The lithium battery leakage detection device of claim 1, wherein:

the battery testing device comprises a testing frame arranged on the cabinet, and a sliding testing die body, a downward moving manipulator and a testing die body which are respectively arranged on the testing frame; the sliding test die body is slidably mounted on the test frame; the downward moving manipulator is installed at the front end of the test frame and is in transmission connection with the sliding test die body so as to transmit the sliding test die body and the test die body to be closed or opened in a drawing mode.

3. The lithium battery leakage detection device of claim 2, wherein:

the sliding test die body comprises a die body base and a storage platform arranged on the die body base, and a plurality of battery placing positions used for placing batteries are arranged on the storage platform.

4. The lithium battery leakage detection device of claim 2, wherein:

and an air exhaust port and an air inflation port are respectively formed in the left side and the right side of the testing die body, the air exhaust port is communicated with the vacuumizing mechanism, and the air inflation port is communicated with the air inflation mechanism.

5. The lithium battery leakage detection device of claim 2, wherein:

the battery testing device also comprises a locking mechanism arranged on the testing frame;

the locking mechanism comprises a locking cylinder and a locking clamping piece arranged at the rotating end of the locking cylinder, and the locking clamping piece is positioned at the front end of the testing die body so as to lock the die cavity after the sliding testing die body and the testing die body are assembled.

6. The lithium battery leakage detection device of claim 1, wherein:

upset loading attachment includes the material loading frame, by preceding pan feeding mechanism, rotary mechanism and NG discharge mechanism that has set gradually after to in the material loading frame, wherein:

the terminal of pan feeding mechanism is equipped with sweeps a yard mechanism, rotary mechanism includes rotary fixture, rotary fixture will battery in the pan feeding mechanism erects the conveying to material loading handling device or on the NG discharge mechanism.

7. The lithium battery leakage detection device of claim 6, wherein:

the feeding mechanism comprises a first support fixedly arranged on the feeding rack, a first template fixedly connected with the upper end of the first support and a first bearing plate fixedly connected with the upper end of the first template, a feeding belt transmission assembly is arranged below the first bearing plate and comprises a feeding conveyor belt, the upper belt body of the feeding conveyor belt is positioned above the first bearing plate, and the lower belt body of the feeding conveyor belt is positioned below the first bearing plate;

and the upper end of the first supporting plate is positioned at two sides of the feeding conveyor belt, and blocking strips are movably arranged at the two sides of the feeding conveyor belt, and the lowermost ends of the blocking strips are lower than the uppermost ends of the belt bodies at the upper part of the feeding conveyor belt.

8. The lithium battery leakage detection device of claim 1, wherein:

the feeding and carrying device comprises a carrying support frame fixedly arranged on the cabinet, a horizontal moving module arranged on the carrying support frame and a vertical moving module arranged on the horizontal moving module, wherein a first carrying mechanical arm is arranged at the bottom end of the vertical moving module and is positioned above the rotary fixture.

9. The lithium battery leakage detection device of claim 1, wherein:

the test carrying device comprises a carrying rack, a cross sliding mechanism arranged on the carrying rack, and a clamping carrying mechanism arranged on the cross sliding mechanism and used for carrying batteries;

the clamping and carrying mechanism comprises a base, a rotating hook assembly, a rotating hook cylinder, a clamping assembly and a clamping cylinder, wherein the rotating hook assembly, the rotating hook cylinder, the clamping assembly and the clamping cylinder are mounted on the base; the rotating hook cylinder is movably connected with the rotating hook assembly and drives the rotating hook assembly to rotate; the clamping cylinder is connected with the clamping assembly.

10. The lithium battery leakage detection device of claim 9, wherein:

the commentaries on classics colludes subassembly includes:

the two racks are arranged on the left side and the right side of the base in parallel and are connected with the rotating hook air cylinder;

the rotary hook pieces are L-shaped and are divided into two groups to be arranged on the outer sides of the racks, the tops of the rotary hook pieces are rotatably connected with the base, gears are sleeved in the middle of the rotary hook pieces, and the gears are in meshed transmission connection with the racks;

the clamping assembly includes:

the movable columns are divided into two groups and are oppositely arranged on the inner side of the rack; and two sets of movable post are all installed in the bottom of push pedal, push pedal slidable mounting is on the base, the push pedal with die clamping cylinder connects, drives movable post is to being close to or keeping away from adjacent the direction of commentaries on classics hook member removes.

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