CN214610249U - Button cell multilayer gradient discharge system - Google Patents

Abstract

The utility model discloses a button cell multilayer gradient discharge system, which comprises a feeding and discharging device and a discharge machine; the feeding and discharging device comprises a feeding part and a discharging part; the discharge machine comprises a discharge platform, a plurality of clamp discs and a plurality of discharge assemblies; the discharging platform comprises two areas which are arranged left and right, and each area is provided with a plurality of stations which are arranged in front and back; the clamp disc is provided with a plurality of through holes capable of accommodating the multi-layer button cells; the material table is provided with a first tray pushing mechanism, a second tray pushing mechanism and a third tray pushing mechanism, and the first tray pushing mechanism, the second tray pushing mechanism and the third tray pushing mechanism are used for pushing the clamp tray to move a station. The discharging assemblies correspond to the discharging areas one by one and are used for discharging button cells in the clamp disc on the corresponding discharging areas. The feeding portion is used for automatically conveying the batteries to be discharged into the feeding clamp disc, and the discharging portion is used for taking the discharged batteries out of the discharging clamp disc. The system can realize circumferential gradient discharge of the multi-layer button cell and automatic circumferential feeding and discharging of the cell, and has the advantages of simple structure, small occupied area and greatly reduced manufacturing and operating cost.

Description

Button cell multilayer gradient discharge system

Technical Field

The utility model relates to a button cell production facility technical field especially relates to a button cell multilayer gradient discharge system.

Background

At present, in the lithium manganese button cell industry, when most enterprises discharge the cells, the discharge mode adopted is single-cell multi-station constant-resistance discharge. The single-layer single-particle constant-resistance timed discharge is discharged through the station, and the discharge industry requirement is generally that the battery capacity is 3% -5%. However, constant resistance discharge does not allow accurate control of discharge capacity, and the consistency of discharge capacity is poor.

At present, in the prior art, a small number of devices capable of realizing multilayer gradient discharge of button cells are provided, for example, CN105958106A discloses a stepping prevention motor of button cells, and CN110716143A discloses a double-station automatic discharge machine, but the two gradient discharge machines are in linear gradient discharge forms, so that the occupied area is large. In addition, CN105958106A realizes that multilayer button cell gradient discharges the mode and sets up the multilayer frame, sets up the individual layer charging tray on every layer of frame, sets up the probe between adjacent two-layer frame and discharges to intermediate layer charging tray, and not only the structure is complicated, and manufacturing and running cost are higher. CN110716143A discloses a button cell which is stacked on a material receiving stacking bracket through multiple layers of trays, then the discharging station is transmitted through a transmission mechanism, and finally the discharging station is transmitted to the material receiving stacking bracket. However, after the trays are stacked, the cells in each layer need to be connected in series to realize the discharge of the multiple layers of button cells, and the patent application does not disclose a way for realizing the discharge of the multiple layers of button cells.

In addition, in the conventional production process, only the pre-discharge step is completed by a machine, but other steps are completed manually, such as manually feeding materials up and down.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art not enough, provide a simple structure, take up an area of for a short time and make and the button cell multilayer gradient discharge system that running cost is low.

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

a button cell multilayer gradient discharge system comprises a feeding and discharging device and a discharge machine;

the feeding and discharging device comprises a feeding and discharging platform and a feeding and discharging mechanism, the feeding and discharging mechanism comprises an installation frame, a feeding part and a discharging part, and the installation frame is supported on the feeding and discharging platform;

the discharge machine comprises a discharge material table, a plurality of clamp discs and a plurality of discharge assemblies; the discharging material platform is provided with a discharging platform, the discharging platform comprises a first gradient discharging area and a second gradient discharging area which are arranged at intervals along the left-right direction of the platform, the first gradient discharging area is divided into a plurality of first subareas which are same in size and shape along the front-back direction of the platform, the second gradient discharging area is divided into a plurality of second subareas which are same in size and shape along the front-back direction of the platform, and the first subareas and the second subareas are same in size and shape and are in one-to-one correspondence;

one ends of the feeding part and the discharging part, which are close to the discharge machine, extend into the discharge machine, a first partition of the discharge platform, which corresponds to the extending end of the feeding part, forms a battery feeding station, and at least one of the other first partitions is a first discharge area; a second partition corresponding to the discharging platform and the extending end of the discharging part forms a battery discharging station, and at least one of the other second partitions is a second discharging area; the feeding part is used for automatically conveying the batteries to be discharged to a clamp disc on a battery feeding station, and the discharging part is used for taking the discharged batteries away from the clamp disc on a battery discharging station;

the clamp disc is provided with a plurality of third through holes matched with the button cells, the plurality of third through holes are distributed in an array manner, the plurality of button cells can be accommodated in the third through holes, and the plurality of button cells are sequentially stacked along the axial direction of the third through holes; when any three of the first subareas or the second subareas which are adjacent in sequence are provided with the clamp discs, the clamp disc on the middle subarea is abutted to the clamp discs on the front subarea and the rear subarea;

a first tray pushing mechanism, a second tray pushing mechanism and a third tray pushing mechanism are arranged on the discharging material platform; the first tray pushing mechanism is used for pushing the clamp tray on the battery feeding station to the first partition which is most adjacent to the first partition, the second tray pushing mechanism is used for pushing the clamp tray on the first partition at the rearmost end to the second partition at the rearmost end, and the third tray pushing mechanism is used for pushing the clamp tray on the second partition at the rear end to the second partition which is most adjacent to the third partition;

the discharge assemblies correspond to the discharge areas one by one; the discharging assembly is used for discharging the button cell batteries in the clamp disc on the corresponding discharging area.

Therefore, the multi-layer button cells are arranged in the third through hole of the clamp disc, so that the multi-layer button cells are connected in series, and can circularly flow at each discharging station through the pushing of the first, second and third push disc mechanisms, and the clamp disc advances in a pushing mode through the blocking of the wall of the third through hole, so that the button cells can be prevented from scattering in the moving process; therefore, the device can realize annular gradient discharge of the multi-layer button cell, and has the advantages of simple structure, small occupied area and greatly reduced manufacturing and operating cost.

As a further improvement of the above technical solution:

a plurality of first through holes matched with the button cell are formed in the first discharge area, and the first through holes correspond to the third through holes one to one; a plurality of second through holes matched with the button cells are formed in the second discharge area, and the second through holes correspond to the third through holes one to one;

the discharging assembly comprises a discharging control box, an upper discharging mechanism and a lower discharging mechanism which are arranged on the discharging material platform, and the upper discharging mechanism and the lower discharging mechanism are respectively arranged on the upper side and the lower side of the discharging platform; the upper discharging mechanism comprises a plurality of first electrodes which are in one-to-one correspondence with the corresponding first or second through holes, the lower discharging mechanism comprises a plurality of second electrodes which are in one-to-one correspondence with the corresponding first or second through holes, and the second electrodes extend into the corresponding first or second through holes to prevent the buckle type battery from falling; when the clamp disc runs to a certain discharge area, the third through hole is communicated with the through hole corresponding to the discharge area to form a discharge channel, and the upper discharge mechanism and/or the lower discharge mechanism can move up and down relative to the discharge material table, so that the first electrode is contacted with the button cell on the topmost layer in the corresponding third through hole, and the second electrode is contacted with the button cell on the bottommost layer in the third through hole; the discharge control box is electrically connected with the first electrode and the second electrode.

Therefore, each station penetrates through the discharging platform through the second electrode, so that the electric contact with the button cell can be realized, and the button cell can be prevented from falling.

The upper discharging mechanism further comprises a lifting plate, an upper guide plate and an upper mounting plate which are arranged at intervals from top to bottom, the upper guide plate is supported above the discharging platform through an upper supporting rod, a guide rod is arranged at the lower end of the lifting plate, the guide rod penetrates through the upper guide plate and then is fixedly connected with the upper mounting plate, and an upper driving piece for driving the lifting plate to lift is connected between the lifting plate and the upper guide plate; the first electrode is mounted on the upper mounting plate.

The lower discharging mechanism further comprises a lower guide plate and a lower mounting plate located above the lower guide plate, the lower guide plate is suspended below the discharging platform through a lower supporting rod, a lower driving piece used for driving the lower mounting plate to lift is connected between the lower guide plate and the lower mounting plate, and the second electrode is mounted on the lower mounting plate.

The first pushing disc mechanism comprises a first driving mechanism and a first pushing block, the first driving mechanism is arranged on one side, away from the second partition, of the first partition at the front end in the left-right direction of the platform, the first pushing block is located on the front side of the first partition at the front end, and the first driving mechanism can drive the first pushing block to move in the front-back direction of the platform.

The second pushing plate mechanism comprises a second driving mechanism and a second pushing block, the second driving mechanism is arranged on the rear side of the first partition at the rearmost end, the second pushing block is located on one side, away from the second partition, of the first partition at the rearmost end in the left-right direction of the platform, and the second driving mechanism can drive the second pushing block to move in the left-right direction of the platform.

The third pushing disc mechanism comprises a third driving mechanism and a third pushing block, the third driving mechanism is arranged on one side, away from the first partition, of the second partition at the rearmost end in the left-right direction of the platform, the third pushing block is located on the rear side of the second partition at the rearmost end, and the third driving mechanism can drive the third pushing block to move in the front-back direction of the platform.

And a fourth tray pushing mechanism is also arranged on the discharging platform and used for pushing the clamp tray on the battery discharging station to the battery feeding station.

The fourth pushing disc mechanism comprises a fourth driving mechanism and a fourth pushing block, the fourth driving mechanism is arranged on the front side of the second partition at the front end, the fourth pushing block is positioned on one side, away from the first partition, of the second partition at the front end in the left-right direction of the platform, and the fourth driving mechanism can drive the fourth pushing block to move in the left-right direction of the platform.

The first driving mechanism, the second driving mechanism, the third driving mechanism and the fourth driving mechanism respectively comprise a driving motor fixed on the discharging platform, a screw rod in transmission connection with the driving motor and a nut in threaded connection with the screw rod, and the nut is fixedly connected with the corresponding push block.

The plurality of first subareas of the first gradient discharge area are a discharge feeding area, N first discharge areas and a first vacant area in sequence along the front-rear direction of the platform; the plurality of second partitions of the second gradient discharge area are sequentially a discharge discharging area, N second discharge areas and a second vacant area along the front-back direction of the platform; n is more than or equal to 1.

The battery feeding station is arranged on the discharging feeding area, and the battery discharging station is arranged on the discharging area.

The charging and discharging platform is provided with a material tray discharging station, a battery feeding station, a material tray feeding station and a battery discharging station;

the feeding part comprises a first guide rail arranged on the mounting frame, and a first adsorption mechanism and a second adsorption mechanism which are arranged on the first guide rail in a sliding manner; the first guide rail is parallel to the feeding direction, the first adsorption mechanism and the second adsorption mechanism are arranged at intervals along the feeding direction, and the first adsorption mechanism is positioned in front of the second adsorption mechanism along the feeding direction; the charging tray blanking station, the battery loading station and the battery feeding station are sequentially arranged along the feeding direction; the first adsorption mechanism can move back and forth between a battery feeding station and a battery feeding station, and is used for adsorbing batteries to be discharged in a material tray on the battery feeding station and releasing the batteries to be discharged at the battery feeding station; the second adsorption mechanism can move back and forth between a material tray discharging station and a battery feeding station, and is used for adsorbing an empty material tray on the battery feeding station and releasing the empty material tray at the material tray discharging station;

the discharging part is arranged on one side, perpendicular to the feeding direction, of the feeding part, the discharging part comprises a second guide rail arranged on the mounting frame, and a third adsorption mechanism and a fourth adsorption mechanism which are arranged on the second guide rail in a sliding mode, the second guide rail is arranged in parallel with the first guide rail, the third adsorption mechanism and the fourth adsorption mechanism are arranged at intervals along the discharging direction, the fourth adsorption mechanism is located in front of the third adsorption mechanism along the discharging direction, and the discharging direction is opposite to the feeding direction; the battery discharging station, the material tray feeding station and the battery discharging station are sequentially arranged along the discharging direction; the third adsorption mechanism can move back and forth between the battery discharging station and the material tray feeding station, and is used for adsorbing discharged batteries at the battery discharging station and releasing the adsorbed batteries into the material tray on the material tray feeding station; the fourth adsorption mechanism can move back and forth at a material tray feeding station and a battery discharging station, and is used for adsorbing a material tray provided with discharged batteries on the material tray feeding station and releasing the material tray provided with the discharged batteries on the battery discharging station.

From this, through the cooperation of first adsorption equipment on the feeding portion and second adsorption equipment, can accomplish and wait to discharge feeding and empty charging tray unloading process. The method specifically comprises the following steps: when the first adsorption mechanism and the second adsorption mechanism move forwards along the feeding direction, the first adsorption mechanism can release the battery to be discharged to the battery feeding station, and the second adsorption mechanism can adsorb the empty tray on the battery feeding station; when the first adsorption mechanism and the second adsorption mechanism move forward along the opposite direction of the feeding direction, the first adsorption mechanism can adsorb a battery to be discharged in a charging tray on the battery feeding station, and the second adsorption mechanism can release the adsorbed empty charging tray to the charging tray discharging station. And the discharged battery discharging process can be completed through the matching of the third adsorption mechanism and the fourth adsorption mechanism on the discharging part. The method specifically comprises the following steps: when the third adsorption mechanism and the fourth adsorption mechanism move forwards along the opposite direction of the discharging direction, the third adsorption mechanism adsorbs discharged batteries on a battery discharging station, and a charging tray of the discharged batteries is arranged on a charging tray adsorbing feeding station of the fourth adsorption mechanism; when the third adsorption mechanism and the fourth adsorption mechanism move forward along the discharging direction, the third adsorption mechanism releases adsorbed discharged batteries to an empty tray on the tray feeding station, and the fourth adsorption mechanism releases the tray containing the discharged batteries to the battery discharging station. Therefore, the device realizes the automatic feeding and discharging of the circumferential discharge of the battery, and improves the production efficiency of the battery.

A first carrier roller, a second carrier roller, a third carrier roller and a fourth carrier roller are arranged on the feeding and discharging platform, and the first carrier roller, the second carrier roller, the third carrier roller and the fourth carrier roller can move up and down relative to the feeding and discharging platform to be close to or far away from the feeding and discharging mechanism; the charging tray unloading station is arranged on the first carrier roller, the battery loading station is arranged on the second carrier roller, the charging tray loading station is arranged on the third carrier roller, and the battery unloading station is arranged on the fourth carrier roller.

The material platform comprises an upper platform, a lower platform and an upright post connecting the upper platform and the lower platform; the first carrier roller, the second carrier roller, the third carrier roller and the fourth carrier roller are all installed at the upper end of the upper platform and can move up and down relative to the upper platform.

The lower ends of the first carrier roller, the second carrier roller, the third carrier roller and the fourth carrier roller are respectively provided with a first driving mechanism for driving the corresponding carrier roller to move up and down, and the first driving mechanisms are connected between the corresponding carrier roller and the lower platform.

The first driving mechanism comprises a rotary driving assembly arranged on the lower platform, a screw rod in transmission connection with the rotary driving assembly, and a nut in threaded connection with the screw rod, wherein a connecting rod is arranged on the nut and fixedly connected with a corresponding carrier roller after penetrating through the upper platform; the screw rod and the connecting rod are both vertically arranged.

The rotary driving assembly comprises a driving motor arranged at the upper end of the lower platform, a driving wheel and a driven wheel which are arranged below the lower platform, and a belt or a chain tensioned between the driving wheel and the driven wheel; an output shaft of the driving motor penetrates through the lower platform and then is in transmission connection with the driving wheel, and the screw rod penetrates through the lower platform and then is in transmission connection with the driven wheel.

The first carrier rollers and the fourth carrier rollers are both provided with two rows, the two rows of first carrier rollers are arranged at intervals along the direction that the horizontal plane is vertical to the first guide rail, and the two rows of fourth carrier rollers are arranged at intervals along the direction that the horizontal plane is vertical to the second guide rail; the upper platform is provided with a second driving mechanism for pushing out an empty material tray and a third driving mechanism for pushing out a material tray filled with discharged batteries, the second driving mechanism is arranged between the two rows of first carrier rollers, and the third driving mechanism is arranged between the two rows of fourth carrier rollers.

The discharge end of upper mounting plate is equipped with the extension board that extends towards ejection of compact direction, second actuating mechanism and third actuating mechanism are first telescopic cylinder, the stiff end of first telescopic cylinder is fixed in on the extension board, the drive end of first telescopic cylinder is close to corresponding bearing roller setting, install the push pedal with the charging tray butt on the drive end.

The first guide rail is equipped with two, and two first guide rails are arranged along the direction interval of the first guide rail of perpendicular to, charging tray unloading station, battery material loading station and battery feeding station all are located between two first guide rails.

The first adsorption mechanism and the second adsorption mechanism move synchronously. And a first driving mechanism for driving the first adsorption mechanism and the second adsorption mechanism to synchronously move is arranged on the mounting frame.

The second guide rail is equipped with two, and two second guide rails are arranged along the direction interval of perpendicular to second guide rail, battery ejection of compact station, charging tray material loading station and battery unloading station all are located between two second guide rails.

And the third adsorption mechanism and the fourth adsorption mechanism move synchronously. And a second driving mechanism for driving the third adsorption mechanism and the fourth adsorption mechanism to synchronously move is arranged on the mounting frame.

First adsorption device, second adsorption device, third adsorption device and fourth adsorption device all include the smooth baffle of locating on corresponding guide rail, connect the suction disc in the baffle below to and install a plurality of vacuum chuck on the suction disc, set up a plurality of through-holes with the vacuum chuck one-to-one on the suction disc, vacuum chuck is fixed in the corresponding through-hole.

The guide plate is characterized in that a drive plate is arranged above the guide plate, a driving piece used for driving the guide plate to move up and down is connected between the guide plate and the drive plate, a guide rod is arranged at the lower end of the drive plate, and the guide rod penetrates through the guide plate and then is fixedly connected with the suction plate.

The discharging clamp plate can be used for placing multiple layers of batteries to realize series high-voltage discharge, so that the problem of low discharge of single battery voltage is solved, and the discharging efficiency is improved. The discharge fixture dish is in the circulation of many gradients of the station that discharges more, discharges through many gradients of multistation and will design the capacity of certain percentage of capacity and consume through discharging, can not only promote the uniformity of battery capacity and can also increase the stability and the storage nature that the battery later stage used. Discharge efficiency can also be improved to a certain extent to the discharge of multistation many gradients, compares with traditional constant resistance discharge mode, and the discharge mode that this device adopted is constant current discharge, promptly: (1) multi-station constant current discharge (2) and high-low current alternative discharge of the multilayer battery; therefore, the discharge capacity can be accurately controlled, and the consistency of the battery capacity is improved.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses a button cell multilayer gradient discharge system can realize that multilayer button cell's hoop gradient discharges, and not only simple structure takes up an area of for a short time, makes moreover and running cost greatly reduced. And moreover, the automatic feeding and discharging process of the button cell in circular discharge can be realized. Through integrating feeding portion and ejection of compact portion promptly, feeding work is independently accomplished to feeding portion, and ejection of compact work is independently accomplished to ejection of compact portion. Specifically, through the cooperation of first adsorption equipment and second adsorption equipment on the feeding portion, can accomplish treat the automatic feeding of discharging and the automatic unloading process of empty charging tray, and through the cooperation of third adsorption equipment and fourth adsorption equipment on the ejection of compact portion, can accomplish the battery automatic discharging and the automatic unloading process of having discharged to improve button cell production efficiency.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the button cell multilayer gradient discharge system of the present invention.

Fig. 2 is a schematic perspective view of the feeding and discharging device.

Fig. 3 is a schematic perspective view of the feeding and discharging device from another view angle.

Fig. 4 is a schematic structural diagram of the feeding and discharging table.

Fig. 5 is a schematic structural diagram of the feeding and discharging mechanism.

Fig. 6 is a schematic structural view of the adsorption mechanism.

Fig. 7 is a structural schematic diagram of the assembled first driving mechanism and idler.

Fig. 8 is a schematic perspective view of the discharge machine.

Fig. 9 is a schematic perspective view of the discharge material table.

Fig. 10 is a schematic top view of the discharge material table.

Fig. 11 is a schematic structural view of the chuck plate.

Fig. 12 is a schematic perspective view of the upper discharge mechanism.

Fig. 13 is a schematic perspective view of the lower discharge mechanism.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the 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 thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of a plurality of or a plurality of is two or more unless specifically limited otherwise.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for understanding and reading the contents disclosed in the specification, and are not used for limiting the conditions that the present application can implement, so the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the technical content disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.

Example (b):

as shown in fig. 1, the button cell multilayer gradient discharge system of the embodiment includes a feeding and discharging device 2 and a discharge machine 1.

The feeding and discharging device 2 comprises a feeding and discharging table 21 and a feeding and discharging mechanism 222, the feeding and discharging mechanism 222 comprises a mounting frame 221, a feeding part and a discharging part, and the mounting frame 221 is supported on the feeding and discharging table 21.

As shown in fig. 2-4, the feeding and discharging station 21 includes an upper platform 211 and a lower platform 212, and a column 213 connecting the upper platform 211 and the lower platform 212. Wherein, the upper end of the upper platform 211 is provided with a first idler 23, a second idler 24, a third idler 27 and a fourth idler 28.

The first idlers 23, the second idlers 24, the third idlers 27, and the fourth idlers 28 are each movable up and down relative to the upper stage 211 to approach or separate from the feeding and discharging mechanism 22. A tray feeding station 231 is arranged on the first carrier roller 23, a battery feeding station 241 is arranged on the second carrier roller 24, a tray feeding station 271 is arranged on the third carrier roller 27, and a battery feeding station 281 is arranged on the fourth carrier roller 28. Wherein, the upper end of the upper platform 211 is further provided with a first feeding idler 214 which can be butted with the second idler 24, and a second feeding idler 215 which can be butted with the third idler 27.

As shown in fig. 2, 3 and 5, the feeding and discharging mechanism 22 includes a mounting frame 221, a feeding portion and a discharging portion, and the mounting frame 221 is supported on the feeding and discharging table 21 through a support rod 2211. Specifically, the mounting frame 221 includes two parallel and spaced cross bars 2212, and a middle plate 2213 and two side plates 2214 connected between the two cross bars 2212, the middle plate 2213 and the two side plates 2214 are spaced along the length direction of the cross bars, and the middle plate 2213 is disposed between the two side plates 2214.

The one side of feed portion along the length direction of horizontal pole is located to ejection of compact portion, and feed portion and ejection of compact portion are close to the one end of discharge machine to and the horizontal pole that is close to the discharge machine all stretches into the discharge machine, and the discharge machine stretches into the position that the end corresponds with the feed portion and is equipped with battery feed station 25, and the discharge machine stretches into the position that the end corresponds with ejection of compact portion and is equipped with battery ejection of compact station 26. The feeding part is used for automatically conveying the batteries to be discharged into the clamp disc 12 on the battery feeding station 25, and the discharging part is used for taking the discharged batteries out of the clamp disc 12 on the battery discharging station 26.

The feeding section includes two first guide rails 222, and a first suction mechanism 223 and a second suction mechanism 224 slidably disposed on the two first guide rails 222. Two first guide rails 222 are respectively arranged on the corresponding side plate 2214 and the middle plate 2213, and the first guide rails 222 are parallel to the feeding direction.

The first adsorption mechanism 223 and the second adsorption mechanism 224 are arranged at intervals in the feeding direction (the direction of arrow a as indicated in fig. 4), and the first adsorption mechanism 223 is located in front of the second adsorption mechanism 224 in the feeding direction; the tray blanking station 231, the battery loading station 241 and the battery feeding station 25 are sequentially arranged along the feeding direction, and the tray blanking station 231, the battery loading station 241 and the battery feeding station 25 are all located between the two first guide rails 222. The first adsorption mechanism 223 can move back and forth between the battery feeding station 241 and the battery feeding station 25, the first adsorption mechanism 223 is used for adsorbing the batteries to be discharged in the trays on the second carrier roller 24, and releasing the batteries to be discharged at the battery feeding station 25; the second adsorption mechanism 224 can move back and forth between the tray blanking station 231 and the battery loading station 241, and the second adsorption mechanism 224 is used for adsorbing an empty tray on the second carrier roller 24 and releasing the empty tray on the first carrier roller 23.

The discharging part comprises two second guide rails 225, and a third adsorption mechanism 226 and a fourth adsorption mechanism 227 which are slidably arranged on the two second guide rails 225. Two second guide rails 225 are respectively arranged on the corresponding side plate 2214 and the middle plate 2213, and the second guide rails 225 are arranged in parallel with the first guide rails 222.

The third adsorption mechanism 226 and the fourth adsorption mechanism 227 are arranged at intervals along the discharging direction (the direction of arrow B as indicated in fig. 4), and the fourth adsorption mechanism 227 is located in front of the third adsorption mechanism 226 along the discharging direction, which is opposite to the feeding direction. The battery discharging station 26, the tray feeding station 271 and the battery discharging station 281 are sequentially arranged along the discharging direction, and the battery discharging station 26, the tray feeding station 271 and the battery discharging station 281 are all located between the two second guide rails 225. The third adsorption mechanism 226 can move back and forth between the battery discharging station 26 and the tray loading station 271, and the third adsorption mechanism 226 is used for adsorbing the discharged batteries in the battery discharging station 26 and releasing the discharged batteries into the empty trays of the third carrier roller 27; the fourth adsorption mechanism 227 can reciprocate between the tray loading station 271 and the battery unloading station 281, and the fourth adsorption mechanism 227 is used for adsorbing the tray loaded with the discharged batteries on the third carrier roller 27 and releasing the tray loaded with the discharged batteries on the fourth carrier roller 28.

As shown in fig. 6, each of the first suction mechanism 223, the second suction mechanism 224, the third suction mechanism 226, and the fourth suction mechanism 227 includes a driving plate 2204, a guide plate 2201, and a suction plate 2202, which are arranged in this order from top to bottom, and a plurality of vacuum chucks are mounted on the suction plate 2202. The suction plate 2202 is provided with a plurality of through holes 2203 corresponding to the vacuum chucks one to one, and the vacuum chucks are fixed in the corresponding through holes 2203. The two ends of the guide plate 2201 along the length direction of the cross bar 2212 are respectively arranged on the corresponding guide rails in a sliding mode through the sliding groove pieces 2207.

A driving part 2205 for driving the guide plate 2201 to move up and down is connected between the guide plate 2201 and the driving plate 2204, two guide rods 2206 are arranged at the lower end of the driving plate 2204, the two guide rods 2206 are respectively arranged at two sides of the driving part 2205 along the length direction of the cross rod 2212, and the two guide rods 2206 penetrate through the guide plate 2201 and are fixedly connected with the suction plate 2202. In this embodiment, the driving member 2205 is a telescopic cylinder.

After the vacuum chuck is connected with the vacuumizing equipment, the battery or the material tray can be adsorbed, and after the vacuum chuck is disconnected with the vacuumizing equipment, the battery or the material tray can be released.

With continued reference to fig. 5, the first adsorption mechanism 223 and the second adsorption mechanism 224 move synchronously; the third adsorption mechanism 226 and the fourth adsorption mechanism 227 also move in synchronization.

In this embodiment, the cross bar 2212 is provided with a second driving mechanism for driving the first adsorption mechanism 223 and the second adsorption mechanism 224 to move synchronously, and a third driving mechanism for driving the third adsorption mechanism 225 and the fourth adsorption mechanism 226 to move synchronously. The second driving mechanism and the third driving mechanism are both the second telescopic cylinder 220, the extending end of the piston rod of the second telescopic cylinder 220 is fixed on the cross rod 2212, and the cylinder barrel of the second telescopic cylinder 220 is fixedly connected with the lower end faces of the guide plates 2201 of the two corresponding adsorption mechanisms.

As shown in fig. 7, the lower ends of the first idler 23, the second idler 24, the third idler 27 and the fourth idler 28 are provided with first driving mechanisms 29 for driving the respective idlers to move up and down, and the first driving mechanisms 29 are connected between the respective idlers and the lower platform 212.

The first driving mechanism 29 includes a rotary driving component mounted on the lower platform 212, a screw rod 291 connected to the rotary driving component in a transmission manner, and a nut 292 connected to the screw rod 291 in a threaded manner, a first connecting plate 298 extending outward is disposed on an outer circumference of the nut 292, a connecting rod 293 is disposed on the first connecting plate 298, and the connecting rod 293 is fixedly connected to a corresponding carrier roller after passing through the upper platform 211. The screw 291 and the connecting rod 293 are both vertically arranged.

In this embodiment, the rotation driving assembly includes a driving motor 294 mounted to the upper end of the lower platform 212 through a third connecting plate 297, a driving pulley 295 and a driven pulley 296 disposed below the lower platform 212, and a belt or chain tensioned between the driving pulley 295 and the driven pulley 296; an output shaft of the driving motor 294 penetrates through the lower platform 212 and is in transmission connection with the driving wheel 295, and the screw rod 291 penetrates through the lower platform 212 and is in transmission connection with the driven wheel 296. The lead screw 291 is provided with a bearing, the outer circumference of the bearing is provided with a second connecting plate 299 extending outwards, the cross section area of the second connecting plate 299 is larger than that of the first connecting plate 298, and the second connecting plate 299 is provided with a telescopic rod 2910 fixedly connected with a corresponding carrier roller.

With continued reference to fig. 4, two rows of first idlers 23 and two rows of fourth idlers 28 are provided, where the two rows of first idlers 23 are spaced apart along the length of the cross bar 2212, and the two rows of fourth idlers 28 are also spaced apart along the length of the cross bar 2212. The upper platform 211 is provided with a fourth driving mechanism for pushing out an empty tray and a fifth driving mechanism for pushing out a tray filled with discharged batteries, the fourth driving mechanism is arranged between the two rows of first carrier rollers 23, and the fifth driving mechanism is arranged between the two rows of fourth carrier rollers 28.

In this embodiment, the discharge end of the upper platform 211 is provided with an extension plate 2111 extending towards the discharge direction, the second driving mechanism and the third driving mechanism are both first telescopic cylinders 210, the cylinder of the first telescopic cylinder 210 is fixed on the extension plate 2111, the piston rods of the first telescopic cylinders 210 are arranged close to the corresponding carrier rollers, and the extension ends of the piston rods are provided with push plates 2101 abutted against the charging trays.

As shown in fig. 8, the discharge machine 1 includes a discharge table, a plurality of jig trays 12, and a plurality of discharge assemblies 17.

The discharging material platform comprises a discharging platform 11, a supporting platform positioned below the discharging platform 11, and an upright column connected between the discharging platform and the supporting platform.

As shown in fig. 9 and 10, the discharge platform 11 includes a first gradient discharge area 111 and a second gradient discharge area 112 that are arranged at intervals along the left-right direction of the discharge platform 11, the first gradient discharge area 111 is divided into six first partitions having the same size and shape along the front-back direction of the platform, the second gradient discharge area 112 is divided into six second partitions having the same size and shape along the front-back direction of the platform, and the size and shape of the first partitions and the second partitions are the same. The six first sub-areas of the first gradient discharge area 111 are a discharge loading area 1112, four first discharge areas 1111 and a first vacant area 1113 in sequence along the front-rear direction of the platform. The six second partitions of the second gradient discharge region 112 are a discharge discharging region 1122, four second discharge regions 1121 and a second vacant region 1123 in sequence along the front-rear direction of the platform.

Wherein, the battery feeding station 25 is located on the discharging feeding area 1112, and the battery discharging station 26 is located on the discharging area 1122.

As shown in fig. 11, a plurality of third through holes 121 matching with the button cells are formed in the clamp disc 12, the plurality of third through holes 121 are distributed in an array, the third through holes 121 can accommodate a plurality of button cells, and the plurality of button cells are sequentially stacked along the axial direction of the third through holes 121.

With continued reference to fig. 9 and 10, each of the first and second segments may receive one of the chuck plates 12, and when any three of the sequentially adjacent first or second segments have chuck plates 12, the chuck plate 12 on the middle segment abuts against the chuck plates 12 on the front and rear segments. The first discharge area 1111 is provided with a plurality of first through holes 1114 matched with the button cell, and the first through holes 1114 correspond to the third through holes 121 one by one; the second discharging area 1121 is provided with a plurality of second through holes 1124 matching with the button cells, and the second through holes 1124 correspond to the third through holes 121 one by one.

With reference to fig. 9 and 10, the discharging platform 11 is provided with a first tray pushing mechanism 13, a second tray pushing mechanism 14, a third tray pushing mechanism 15 and a fourth tray pushing mechanism 16. The first disc pushing mechanism 13 is used for pushing the clamp disc 12 on the foremost first partition to the first partition which is most adjacent to the foremost first partition, the second disc pushing mechanism 14 is used for pushing the clamp disc 12 on the rearmost first partition to the rearmost second partition, and the third disc pushing mechanism 15 is used for pushing the clamp disc 12 on the rearmost second partition to the second partition which is most adjacent to the rearmost partition; the fourth pushing plate mechanism 16 is used to push the chuck plate 12 on the foremost second section toward the foremost first section. When the discharge device is operated, the discharge platform 11 has at most 2N +3 chuck plates 12.

Specifically, the first pushing plate mechanism 13 includes a first driving mechanism 131 and a first pushing block 132, the first driving mechanism 131 is disposed on one side of the first partition at the front end, which is far away from the second partition along the left-right direction of the platform, the first pushing block 132 is disposed on the front side of the first partition at the front end, and the first driving mechanism 131 can drive the first pushing block 132 to move along the front-back direction of the platform.

The second pushing plate mechanism 14 includes a second driving mechanism 141 and a second pushing block 142, the second driving mechanism 141 is disposed at the rear side of the rearmost first partition, the second pushing block 142 is disposed at one side of the rearmost first partition away from the second partition along the left-right direction of the platform, and the second driving mechanism 141 can drive the second pushing block 142 to move along the left-right direction of the platform.

The third tray pushing mechanism 15 includes a third driving mechanism 151 and a third pushing block 152, the third driving mechanism 151 is disposed on one side of the rearmost second partition away from the first partition along the left-right direction of the platform, the third pushing block 152 is disposed at the rear side of the rearmost second partition, and the third driving mechanism 151 can drive the third pushing block 152 to move along the front-back direction of the platform.

The fourth tray pushing mechanism 16 includes a fourth driving mechanism 161 and a fourth pushing block 162, the fourth driving mechanism 161 is disposed at the front side of the foremost second partition, the fourth pushing block 162 is disposed at the side of the foremost second partition, which is far away from the first partition in the left-right direction of the platform, and the fourth driving mechanism 161 can drive the fourth pushing block 162 to move in the left-right direction of the platform.

The first driving mechanism 131, the second driving mechanism 141, the third driving mechanism 151, and the fourth driving mechanism 161 each include a driving motor (driving motor 1311, driving motor 1411, driving motor 1511, and driving motor 1611, respectively) fixed on the discharge platform 11, a lead screw (lead screw 1312, lead screw 1412, lead screw 1512, and lead screw 1612, respectively) connected to the driving motor in a transmission manner, and a nut (nut 1313, nut 1413, nut 1513, and nut 1613, respectively) connected to the lead screw in a threaded manner, and the nut is fixedly connected to the corresponding push block.

Continuing to refer to fig. 8, the discharge elements 17 correspond to the discharge regions one-to-one; the discharging assembly 17 comprises a discharging control box 171, an upper discharging mechanism 172 and a lower discharging mechanism 173 which are arranged on the discharging material platform, and the upper discharging mechanism 172 and the lower discharging mechanism 173 are respectively arranged on the upper side and the lower side of the discharging platform 11.

As shown in fig. 12, the upper discharge mechanism 172 includes a lifting plate 1722, an upper guide plate 1723, an upper mounting plate 1724, and a plurality of first electrodes 1721 mounted on the upper mounting plate 1724, which are spaced apart from each other from top to bottom. The plurality of first electrodes 1721 correspond to the corresponding first or second through holes one to one. The upper guide plate 1723 is supported above the discharge platform 11 through an upper support rod 1725, a guide rod 1726 is arranged at the lower end of the lifting plate 1722, the guide rod 1726 penetrates through the upper guide plate 1723 and then is fixedly connected with an upper mounting plate 1724, and an upper driving piece 1727 used for driving the lifting plate 1722 to lift is connected between the lifting plate 1722 and the upper guide plate 1723. In this embodiment, the upper driving member 1727 is a cylinder, and the first electrode 1721 is an elastic copper probe.

As shown in fig. 13, the lower motor mechanism 173 includes a lower guide plate 1732, a lower mounting plate 1733 positioned above the lower guide plate 1732, and a plurality of second electrodes 1731 mounted on the upper end of the lower mounting plate 1733. The plurality of second electrodes 1731 also correspond one-to-one to the corresponding first or second through holes. The lower guide plate 1732 is suspended below the discharge platform 11 by a lower support bar 1734, a lower driving member 1735 for driving the lower mounting plate 1733 to move up and down is connected between the lower guide plate 1732 and the lower mounting plate 1733, in this embodiment, the second electrode 1731 is a copper pillar, and the copper pillar extends into the corresponding first or second through hole to prevent the snap-in battery from falling.

Therefore, when the clamp disc 12 runs to a certain discharge area, the third through hole 121 is communicated with a through hole corresponding to the discharge area to form a discharge channel, and the upper mounting plate 1724 can be indirectly driven by the upper driving member 1727 to be pressed down until the first electrode 1721 is in contact with the top button cell in the corresponding third through hole on the clamp disc. The lower mounting plate 1733 can be driven by the lower drive 1735 to move up to the copper posts into contact with the bottom button cells in the corresponding third through holes in the chuck plate. The discharge control box 171 is electrically connected to both the first electrode 1721 and the second electrode 1731, so that the button cell on the clamp plate can be discharged.

The multi-layer gradient discharging system for the button cell of the embodiment completes the charging, discharging and discharging processes of the button cell as follows:

s1: charging and discharging

S1.1: feeding of the feedstock

S1.1.1: the tray containing the batteries to be discharged is placed on the first feeding carrier roller 214 manually or by a manipulator, and the first feeding carrier roller 214 drives the tray containing the batteries to be discharged to advance onto the second carrier roller 24. The first drive mechanism 29 drives the second idler 24 to move up to close the feed and discharge mechanism 22. Meanwhile, the second driving mechanism drives the first adsorption mechanism 223 and the second adsorption mechanism 224 to move synchronously, so that the first adsorption mechanism 223 is located right below the battery loading station 241, and a vacuum device connected with the first adsorption mechanism 223 is started to enable the first adsorption mechanism 223 to adsorb the battery to be discharged in the material tray on the second carrier roller 24.

S1.1.2: the second driving mechanism drives the first adsorption mechanism 223 and the second adsorption mechanism 224 to move forwards synchronously along the feeding direction until the first adsorption mechanism 223 is positioned right below the battery feeding station 25, and the second adsorption mechanism 224 is positioned right below the battery feeding station 241, and the vacuum equipment communicated with the first adsorption mechanism 223 is closed, so that the first adsorption mechanism 223 releases the battery to be discharged onto the clamp disc 12 of the battery feeding station 25; and meanwhile, the vacuum equipment communicated with the second adsorption mechanism 224 is started, so that the second adsorption mechanism 224 adsorbs the empty tray on the second carrier roller 24.

S1.1.3: the first carrier roller 23 is driven by the first drive mechanism 29 to move up to be close to the feeding and discharging mechanism 22. Meanwhile, the second driving mechanism drives the first adsorption mechanism 223 and the second adsorption mechanism 224 to synchronously move along the opposite direction of the feeding direction until the first adsorption mechanism 223 is positioned under the battery feeding station 241, and the second adsorption mechanism 224 is positioned under the material tray blanking station 231, and a vacuum device connected with the first adsorption mechanism 223 is started to enable the first adsorption mechanism 223 to adsorb the batteries to be discharged in the material tray on the second carrier roller 24; and closing the vacuum equipment communicated with the second adsorption mechanism 224 to enable the second adsorption mechanism 224 to release the empty material tray onto the first carrier roller 23.

S1.1.4: at this time, when the first adsorption mechanism 223 and the second adsorption mechanism 224 advance in the feeding direction, the synchronization of discharging by the first adsorption mechanism 223 and sucking by the second adsorption mechanism 224 can be realized; when the first adsorption mechanism 223 and the second adsorption mechanism 224 advance in the opposite direction of the feeding direction, the first adsorption mechanism 223 can suck materials and the second adsorption mechanism 224 can discharge materials synchronously. And repeating S1.4, and starting the fourth driving mechanism to push the empty material trays out of the feeding and discharging table 21 when the number of the empty material trays on the two rows of the first carrier rollers 23 is enough.

S1.2: discharging

S1.2.1: the third driving mechanism drives the third adsorption mechanism 25 and the fourth adsorption mechanism 26 to synchronously move along the opposite direction of the discharging direction until the third adsorption mechanism 25 is positioned under the battery discharging station 26, and a vacuum device communicated with the third adsorption mechanism 25 is started to enable the third adsorption mechanism 25 to adsorb discharged batteries in a material tray on the battery discharging station 26.

S1.2.2: an empty tray is placed on the second feeding carrier roller 215 by a person or a mechanical arm, and the second feeding carrier roller 215 drives the empty tray to advance to the third carrier roller 27. The first drive mechanism 29 drives the third idler 27 to move up to close the feed and discharge mechanism 22. Meanwhile, the third driving mechanism drives the third adsorption mechanism 25 and the fourth adsorption mechanism 26 to synchronously move along the discharging direction until the third adsorption mechanism 25 is positioned under the charging station 271 of the charging tray, and the vacuum equipment communicated with the third adsorption mechanism 25 is closed, so that the third adsorption mechanism 25 releases the discharged battery into the empty charging tray of the third carrier roller 27.

S1.2.3: the third driving mechanism drives the third adsorption mechanism 25 and the fourth adsorption mechanism 26 to synchronously move along the opposite direction of the discharging direction until the third adsorption mechanism 25 is positioned under the battery discharging station 26, the fourth adsorption mechanism 2 is positioned under the charging tray feeding station 271, and simultaneously, the vacuum equipment communicated with the third adsorption mechanism 25 and the vacuum equipment communicated with the fourth adsorption mechanism 2 are started, so that the third adsorption mechanism 25 adsorbs discharged batteries in the charging tray on the battery discharging station 26, and the fourth adsorption mechanism 26 adsorbs the charging tray on which the discharged batteries are arranged on the third carrier roller 27.

S1.2.4: the third driving mechanism drives the third adsorption mechanism 25 and the fourth adsorption mechanism 26 to synchronously move along the discharging direction until the third adsorption mechanism 25 is positioned under the tray feeding station 271, and the fourth adsorption mechanism 2 is positioned under the battery discharging station 281. At the same time, the first drive mechanism 29 drives the fourth idler 28 to move up to close the feed and discharge mechanism 22. The vacuum equipment communicated with the third adsorption mechanism 25 and the vacuum equipment communicated with the fourth adsorption mechanism 26 are turned off, so that the third adsorption mechanism 25 releases the discharged batteries into the empty trays of the third carrier roller 27, and the fourth adsorption mechanism 26 releases the trays containing the discharged batteries onto the fourth carrier roller 28.

S1.2.5: at this time, the third adsorption mechanism 25 and the fourth adsorption mechanism 26 can realize the synchronous material suction and discharge processes. When the number of the trays on the two rows of the fourth carrier rollers 28 is enough, the fifth driving mechanism is started to push the tray with the discharged batteries out of the feeding and discharging table 21.

S2: discharge process

S2.1: the charging device transfers the battery to be discharged to the first fixture disc on the discharging charging area 1112, after the first fixture disc is filled with the battery, the first disc pushing mechanism 13 pushes the first discharging area 1111 at the front end of the fixture disc, and the discharging assembly 17 corresponding to the first discharging area 1111 is started to discharge the button battery in the fixture disc on the discharging area. Meanwhile, a second fixture disc is arranged on the discharging loading area 1112, and the battery to be discharged is transferred to the second fixture disc on the discharging loading area 1112 by the loading device. After the button cell in the first clamp disc finishes the first-stage discharge, the first disc pushing mechanism 13 pushes the second clamp disc to the first discharge area 1111 at the front end to perform the first-stage discharge, and the first clamp disc on the first discharge area 1111 is pushed to the second first discharge area 1111 by the second clamp disc to perform the second-stage discharge, and so on until the first clamp disc reaches the first vacant area 1113, at this time, the fifth clamp disc enters the first discharge area 1111 at the front end to start the first-stage discharge.

S2.2: the second tray pushing mechanism 14 pushes the first chuck tray to the second vacant region 1123, and the third tray pushing mechanism 15 pushes the first chuck tray to the rearmost second discharging region 1121 for the fifth stage discharging. After the first-stage discharge of the fifth chuck disc is completed, the first disc pushing mechanism 13 drives the sixth chuck disc to push to the first discharge region 1111 at the front end, the second chuck disc is pushed to the first vacant region 1113, the second disc pushing mechanism 14 and the third disc pushing mechanism 15 act sequentially to push the second chuck disc to the second discharge region 1121 at the rear end, and the first chuck disc is pushed to the second discharge region 1121 from the rear end to the front end at the same time to perform the sixth-stage discharge. By analogy, after the first clamp disc finishes the eighth stage discharge, the first clamp disc is indirectly pushed to the discharge discharging area 1122 by the third disc pushing mechanism 15, and at this time, the ninth clamp disc just enters the first discharge area 1111 at the foremost end. Clamp tray number one can be removed from discharge outlet region 1122 via a blanking device.

S2.3: through the orderly feeding and discharging, the discharging platform 11 always keeps the full-load state of discharging of 8 clamp discs in the subsequent work.

The gradient discharge mode is one of the modes for realizing the multi-layer gradient discharge of the button cell, and is only used as an explanation of the technical principle applied by the device, and the device is not limited in any way.

The above description is only for the preferred embodiment of the present application and should not be taken as limiting the present application in any way, and although the present application has been disclosed in the preferred embodiment, it is not intended to limit the present application, and those skilled in the art should understand that they can make various changes and modifications within the technical scope of the present application without departing from the scope of the present application, and therefore all the changes and modifications can be made within the technical scope of the present application.

Claims (10)

1. A button cell multilayer gradient discharge system is characterized by comprising a feeding and discharging device (2) and a discharge machine (1);

the feeding and discharging device (2) comprises a feeding and discharging table (21) and a feeding and discharging mechanism (22), the feeding and discharging mechanism (22) comprises an installation frame (221), a feeding part and a discharging part, and the installation frame (221) is supported on the feeding and discharging table (21);

the discharge machine (1) comprises a discharge material table, a plurality of clamp discs (12) and a plurality of discharge assemblies (17); the discharging material platform is provided with a discharging platform (11), the discharging platform (11) comprises a first gradient discharging area (111) and a second gradient discharging area (112) which are arranged at intervals along the left-right direction of the platform, the first gradient discharging area (111) is divided into a plurality of first subareas which are same in size and shape along the front-back direction of the platform, the second gradient discharging area (112) is divided into a plurality of second subareas which are same in size and shape along the front-back direction of the platform, and the first subareas and the second subareas are same in size and shape and are in one-to-one correspondence;

one ends of the feeding part and the discharging part, which are close to the discharging machine (1), extend into the discharging machine (1), a first partition of the discharging platform (11) corresponding to the extending end of the feeding part forms a battery feeding station (25), and at least one of the other first partitions is a first discharging partition (1111); a battery discharging station (26) is formed by the discharging platform (11) and a second partition corresponding to the extending end of the discharging part, and at least one of other second partitions is a second discharging area (1121); the feeding part is used for automatically conveying the batteries to be discharged into the clamp disc (12) on the battery feeding station (25), and the discharging part is used for taking the discharged batteries out of the clamp disc (12) on the battery discharging station (26);

a plurality of third through holes (121) matched with the button cells are formed in the clamp disc (12), the third through holes (121) are distributed in an array mode, the third through holes (121) can accommodate the button cells, and the button cells are sequentially stacked in the axial direction of the third through holes (121); each first partition and each second partition can contain one clamp disc (12), and when any three sequentially adjacent first partitions or second partitions are provided with the clamp discs (12), the clamp disc (12) on the middle partition is abutted to the clamp discs (12) on the front partition and the rear partition;

a first tray pushing mechanism (13), a second tray pushing mechanism (14) and a third tray pushing mechanism (15) are arranged on the discharging material platform; the first tray pushing mechanism (13) is used for pushing the clamp tray (12) on the battery feeding station (25) to the first partition which is most adjacent to the clamp tray, the second tray pushing mechanism (14) is used for pushing the clamp tray (12) on the first partition at the rearmost end to the second partition at the rearmost end, and the third tray pushing mechanism (15) is used for pushing the clamp tray (12) on the second partition at the rear end to the second partition which is most adjacent to the clamp tray;

the discharge assemblies (17) correspond to the discharge areas one by one; the discharge assembly (17) is used for discharging button cells in the clamp disc (12) on the corresponding discharge area.

2. The button cell multilayer gradient discharge system according to claim 1, characterized in that the first discharge area (1111) is provided with a plurality of first through holes (1114) matching with the button cells, and the first through holes (1114) are in one-to-one correspondence with the third through holes (121); a plurality of second through holes (1124) matched with the button cells are formed in the second discharging area (1121), and the second through holes (1124) correspond to the third through holes (121) one by one;

the discharging assembly (17) comprises a discharging control box (171), an upper discharging mechanism (172) and a lower discharging mechanism (173) which are arranged on a discharging material platform, and the upper discharging mechanism (172) and the lower discharging mechanism (173) are respectively arranged on the upper side and the lower side of the discharging platform (11); the upper discharge mechanism (172) comprises a plurality of first electrodes (1721) which are in one-to-one correspondence with the corresponding first or second through holes (1124), the lower discharge mechanism (173) comprises a plurality of second electrodes (1731) which are in one-to-one correspondence with the corresponding first or second through holes (1124), and the second electrodes (1731) extend into the corresponding first or second through holes (1124) to prevent the snap-in cell from falling off; when the clamp disc (12) runs to a certain discharge area, the third through hole (121) is communicated with a through hole corresponding to the discharge area to form a discharge channel, and the upper discharge mechanism (172) and/or the lower discharge mechanism (173) can move up and down relative to the discharge material table, so that the first electrode (1721) is in contact with the button cell on the topmost layer in the corresponding third through hole (121), and the second electrode (1731) is in contact with the button cell on the bottommost layer in the third through hole (121); the discharge control box (171) is electrically connected with the first electrode (1721) and the second electrode (1731).

3. The button cell multilayer gradient discharge system according to claim 1, wherein the first push disk mechanism (13) comprises a first driving mechanism (131) and a first push block (132), the first driving mechanism (131) is disposed at one side of the first partition at the front end, which is far away from the second partition in the left-right direction of the platform, the first push block (132) is disposed at the front side of the first partition at the front end, and the first driving mechanism (131) can drive the first push block (132) to move in the front-back direction of the platform.

4. The button cell multilayer gradient discharge system according to claim 1, wherein the second push disk mechanism (14) comprises a second driving mechanism (141) and a second push block (142), the second driving mechanism (141) is arranged at the rear side of the rearmost first partition, the second push block (142) is arranged at one side of the rearmost first partition, which is far away from the second partition in the left-right direction of the platform, and the second driving mechanism (141) can drive the second push block (142) to move in the left-right direction of the platform.

5. The button cell multilayer gradient discharge system according to claim 1, wherein the third push disk mechanism (15) comprises a third driving mechanism (151) and a third push block (152), the third driving mechanism (151) is disposed on one side of the rearmost second partition away from the first partition in the left-right direction of the platform, the third push block (152) is disposed on the rear side of the rearmost second partition, and the third driving mechanism (151) can drive the third push block (152) to move in the front-back direction of the platform.

6. The button cell multilayer gradient discharge system according to claim 1, characterized in that a fourth tray pushing mechanism (16) is further arranged on the discharge material table, and the fourth tray pushing mechanism (16) is used for pushing the clamp tray (12) on the cell discharging station (26) to the cell feeding station (25).

7. The button cell multilayer gradient discharge system according to any one of claims 1 to 6, wherein the feeding and discharging table (21) is provided with a tray blanking station (231), a cell loading station (241), a tray loading station (271) and a cell blanking station (281);

the feeding part comprises a first guide rail (222) arranged on the mounting frame (221), and a first adsorption mechanism (223) and a second adsorption mechanism (224) which are arranged on the first guide rail (222) in a sliding mode; the first guide rail (222) is parallel to the feeding direction, the first adsorption mechanism (223) and the second adsorption mechanism (224) are arranged at intervals along the feeding direction, and the first adsorption mechanism (223) is positioned in front of the second adsorption mechanism (224) along the feeding direction; the tray blanking station (231), the battery loading station (241) and the battery feeding station (25) are sequentially arranged along the feeding direction; the first adsorption mechanism (223) can move back and forth between the battery feeding station (241) and the battery feeding station (25), the first adsorption mechanism (223) is used for adsorbing batteries to be discharged in a tray on the battery feeding station (241), and releasing the batteries to be discharged at the battery feeding station (25); the second adsorption mechanism (224) can move back and forth between the material tray blanking station (231) and the battery loading station (241), the second adsorption mechanism (224) is used for adsorbing an empty material tray on the battery loading station (241), and the empty material tray is released at the material tray blanking station (231);

the discharging part is arranged on one side, perpendicular to the feeding direction, of the feeding part, the discharging part comprises a second guide rail (225) arranged on the mounting frame (221), and a third adsorption mechanism (226) and a fourth adsorption mechanism (227) which are arranged on the second guide rail (225) in a sliding mode, the second guide rail (225) is arranged in parallel with the first guide rail (222), the third adsorption mechanism (226) and the fourth adsorption mechanism (227) are arranged at intervals along the discharging direction, the fourth adsorption mechanism (227) is located in front of the third adsorption mechanism (226) along the discharging direction, and the discharging direction is opposite to the feeding direction; the battery discharging station (26), the tray feeding station (271) and the battery discharging station (281) are sequentially arranged along the discharging direction; the third adsorption mechanism (226) can move back and forth between the battery discharging station (26) and the tray feeding station (271), and the third adsorption mechanism (226) is used for adsorbing discharged batteries in the battery discharging station (26) and releasing the adsorbed batteries into the tray on the tray feeding station (271); the fourth adsorption mechanism (227) can reciprocate between the charging tray feeding station (271) and the battery discharging station (281), the fourth adsorption mechanism (227) is used for adsorbing the charging tray with the discharged batteries on the charging tray feeding station (271), and the charging tray with the discharged batteries is released at the battery discharging station (281).

8. The multi-layer gradient discharging system for the button cells according to claim 7, wherein a first carrier roller (23), a second carrier roller (24), a third carrier roller (27) and a fourth carrier roller (28) are arranged on the feeding and discharging platform (21), and the first carrier roller (23), the second carrier roller (24), the third carrier roller (27) and the fourth carrier roller (28) can move up and down relative to the feeding and discharging platform (21) to be close to or far away from the feeding and discharging mechanism (22); the charging tray blanking station (231) is arranged on the first carrier roller (23), the battery loading station (241) is arranged on the second carrier roller (24), the charging tray loading station (271) is arranged on the third carrier roller (27), and the battery blanking station (281) is arranged on the fourth carrier roller (28).

9. Button cell multilayer gradient discharge system according to claim 7 characterized in that the first adsorption mechanism (223) and the second adsorption mechanism (224) move synchronously.

10. The button cell multilayer gradient discharge system according to claim 7, characterized in that the third adsorption mechanism (226) and the fourth adsorption mechanism (227) move synchronously.

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