Battery piece sorting device

Abstract

A battery piece sorting device comprises a high-frequency sorting section and a low-frequency sorting section, the conveying speed of the low-frequency sorting section is smaller than that of the high-frequency sorting section, a plurality of high-frequency sorting mechanisms used for sorting high-frequency battery pieces are arranged at the high-frequency sorting section, and a plurality of low-frequency sorting mechanisms used for sorting low-frequency battery pieces are arranged at the low-frequency sorting section. The high-frequency sorting mechanism is provided with a high-frequency carrying module used for carrying high-frequency battery pieces, and the low-frequency sorting mechanism is provided with a low-frequency carrying module used for carrying low-frequency battery pieces. Compared with the prior art, due to the fact that the conveying speed of the low-frequency sorting section is low, a small number of low-frequency sorting mechanisms and a small number of low-frequency carrying modules can be arranged for sorting and carrying, the number of devices is reduced on the premise that the sorting efficiency is guaranteed, the occupied area is reduced, and meanwhile the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery piece production technical field, concretely relates to a battery piece sorting device. BACKGROUND

[0002] Photovoltaic cell is a kind of semiconductor material assembly that can convert solar light into electric energy, and it is one of the key components of solar photovoltaic power generation system.The working principle of photovoltaic cell is based on photoelectric effect, that is, when light irradiates the surface of a certain material, the energy of photon is transferred to the electron in the material, so that the electron obtains enough energy and jumps into the conduction band, and forms electric current.

[0003] Photovoltaic cell production is divided into multiple steps, including texturing, deposition, diffusion, etching, sintering and other steps, and after the production of photovoltaic cell, the battery piece needs to be sorted, due to the uncertainty in the production process of battery piece, the power generation efficiency of the produced battery piece is high or low, and the battery piece with different power generation efficiency needs to be sorted out and classified.

[0004] To solve the above problems, the Chinese patent with application number 202322753522.6 discloses a sorting equipment, the sorting equipment disclosed above, including a flow line for conveying battery piece along the first direction, multiple sorting units arranged in sequence along the first direction and located on the side of the flow line, and a battery piece loading and carrying module corresponding to the multiple sorting units one by one;The sorting unit includes a first flower basket lifting unit and at least one telescopic carrying module;The first flower basket lifting unit includes a flower basket lifting device;The telescopic carrying module is arranged on one side of the flower basket lifting device, and the battery piece loading and carrying module is arranged above the flow line and the telescopic carrying module.The Chinese patent with application number 202210131663.1 discloses a double-piece solar cell sorting machine, the battery piece sorting machine disclosed above, including: rack, two transmission devices are arranged on the rack in parallel, multiple boxes are arranged on the rack through positioning assembly, multiple boxes are evenly distributed in multiple rows along the transmission direction of transmission device, multiple columns are evenly distributed on both sides of two transmission devices, and carrying device is arranged above each row of boxes, the carrying device is used to carry the battery piece carried on two transmission devices into the designated box respectively.

[0005] The battery piece in the prior art disclosed above is transported on the same conveying device, and is carried by a plurality of carrying modules arranged on both sides of the conveying device, but in actual production, the existing sorting equipment mostly transports the battery pieces to be sorted on the same conveying belt, and the number proportion of battery pieces in different efficiency sections is different, the number proportion of battery pieces in high efficiency section and low efficiency section is small and the frequency is low, and the number proportion of battery pieces in middle efficiency section is large and the frequency is high, in order to adapt to the fast moving conveying belt and avoid that the battery pieces miss the carrying module, a plurality of carrying modules need to be designed to grab and carry the battery pieces in high efficiency section / low efficiency section, and the large number of carrying modules need to occupy a large space, thus a large factory building is needed, thereby increasing the production cost. Practical new type content

[0006] The utility model discloses in order to overcome the defect in the prior art, provide a kind of battery piece sorting device, which reduces the number of sorting mechanism and carrying module without reducing sorting efficiency, and reduces the occupied space.

[0007] In order to realize the above-mentioned utility model purposes, the utility model adopts the following technical solutions: a battery piece sorting device, comprising a high-frequency sorting section and a low-frequency sorting section, the conveying speed of the low-frequency sorting section is less than the conveying speed of the high-frequency sorting section, a plurality of high-frequency sorting mechanisms for sorting high-frequency battery pieces are arranged at the high-frequency sorting section, and a plurality of low-frequency sorting mechanisms for sorting low-frequency battery pieces are arranged at the low-frequency sorting section;The high-frequency sorting mechanism is provided with a high-frequency carrying module for carrying high-frequency battery pieces, and the low-frequency sorting mechanism is provided with a low-frequency carrying module for carrying low-frequency battery pieces.

[0008] As a preferred scheme of the utility model, a speed buffer mechanism for buffering battery pieces is further arranged between the low-frequency sorting section and the high-frequency sorting section.

[0009] As a preferred scheme of the utility model, the low-frequency carrying module comprises a gear position buffer mechanism and a piece loading mechanism matched with the gear position buffer mechanism, and a basket matched with the piece loading mechanism for loading battery pieces is arranged on one side of the gear position buffer mechanism.

[0010] As a preferred scheme of the utility model, the gear position buffer mechanism comprises a rack, a driving motor and a plurality of synchronous belts arranged on the rack for buffering battery pieces, the plurality of synchronous belts are arranged along the height direction of the rack, a transmission shaft for driving the synchronous belts to operate is arranged on the synchronous belts, a transmission gear is arranged on the transmission shaft, and a driving gear engaged with the transmission gear is arranged on the output end of the driving motor.

[0011] As a preferred scheme of the utility model, a damping gear engaged with the plurality of transmission gears is further arranged on the rack.

[0012] As a preferred scheme of the utility model, still include the power mechanism for controlling the drive gear and transmission gear of drive motor is engaged or separated, drive motor is connected on the output end of power mechanism.

[0013] As a preferred scheme of the utility model, the gear position buffer mechanism still includes the lifting mechanism of driving frame lifting, and the lifting mechanism includes the lifting frame and sets up on the lifting frame and is used for lifting the lifting motor of driving frame, and the frame is connected on the output end of lifting motor.

[0014] As a preferred scheme of the utility model, the loading mechanism includes the moving frame and sets up on the swing arm motor of moving frame, and the swing arm of horizontal rotation is connected on the output end of swing arm motor, and a plurality of suction cups for adsorbing battery piece are equipped on the swing arm.

[0015] As a preferred scheme of the utility model, the loading mechanism and gear position buffer mechanism still are equipped with the variable pitch mechanism between, and the variable pitch mechanism includes the support frame of vertical lifting, and the support frame sets up on the piece end of synchronous belt for receiving battery piece.

[0016] As a preferred scheme of the utility model, a plurality of clamping teeth for clamping supporting battery piece are equipped on the support frame, a plurality of clamping teeth are equidistantly arranged along the vertical direction, and the pitch of a plurality of clamping teeth corresponds to the pitch of a plurality of suction cups.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] 1, by setting high frequency sorting section and low frequency sorting section, and the conveying speed of low frequency sorting section is less than the conveying speed of high frequency sorting section, a plurality of high frequency sorting mechanisms are set on high frequency sorting section and sort high frequency battery, and high frequency battery piece is carried through high frequency carrying module, and low frequency battery is sorted through the low frequency sorting mechanism set on low frequency sorting section, and low frequency battery piece is carried through low frequency carrying module, because the conveying speed of low frequency sorting section is slow, therefore can set the quantity of low frequency sorting mechanism and a small amount of low frequency carrying module to sort and carry, thereby reducing the number of equipment under the premise of guaranteeing sorting efficiency, further reduce the floor area, also reduce the production cost;

[0019] 2, further, the battery piece that enters from high frequency sorting section to low frequency sorting section is cached through the speed buffer mechanism set, avoids the battery piece that moves fast from high frequency sorting section to hit the battery piece that moves slowly on low frequency sorting section, thereby avoiding damaging the battery piece;

[0020] 3, further, the gear position buffer mechanism is realized to the buffer of different gear positions of low frequency battery piece, and the loading mechanism is realized to the carrying of battery piece, improves the loading efficiency of battery piece.BRIEF DESCRIPTION OF DRAWINGS BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is the structural schematic diagram of the utility model;

[0022] Figure 2 is the structural schematic diagram of the low frequency sorting section of the utility model;

[0023] Figure 3 is the structural schematic diagram of the gear buffer mechanism and the lifting mechanism of the utility model;

[0024] Figure 4 is the structural schematic diagram of the sheet loading mechanism;

[0025] Figure 5 is the structural schematic diagram of the pitch changing mechanism

[0026] High frequency sorting section 1, high frequency sorting mechanism 101, high frequency carrying module 102, low frequency sorting section 2, low frequency sorting mechanism 201, low frequency carrying module 3, gear buffer mechanism 4, rack 401, damping gear 4011, synchronous belt 402, transmission shaft 4021, transmission gear 4022, drive motor 403, drive gear 4031, power mechanism 404, speed buffer mechanism 5, sheet loading mechanism 6, moving frame 601, moving frame motor 6011, stand column 6012, rack 6013, swing arm motor 602, swing arm 603, suction cup 604, lifting mechanism 7, lifting frame 701, lifting motor 702, pitch changing mechanism 8, support frame 801, clamping tooth 8011, flower basket 9. DETAILED DESCRIPTION

[0027] The utility model embodiment will be described in detail below with reference to the drawings.

[0028] As Figures 1-5 shown, a battery piece sorting device, including high frequency sorting section 1 and low frequency sorting section 2, the conveying speed of low frequency sorting section 2 is less than the conveying speed of high frequency sorting section 1, be equipped with a plurality of high frequency sorting mechanism 101 for sorting high frequency battery piece at high frequency sorting section 1, be equipped with a plurality of low frequency sorting mechanism 201 for sorting low frequency battery piece at low frequency sorting section 2, be equipped with the high frequency carrying module 102 for carrying high frequency battery piece at high frequency sorting mechanism 101, be equipped with the low frequency carrying module 3 for carrying low frequency battery piece at low frequency sorting mechanism 201.

[0029] Further, the high-frequency sorting section 1 and the low-frequency sorting section 2 are arranged in sequence along the conveying direction of the battery piece, the conveying speed of the high-frequency sorting section 1 is a normal speed, the conveying speed of the low-frequency sorting section 2 is lower than that of the high-frequency sorting section 1, a plurality of high-frequency sorting mechanisms 101 are arranged at the high-frequency sorting section 1, the high-frequency battery piece is sorted by the high-frequency sorting mechanism 101, and a high-frequency conveying module 102 is arranged at the high-frequency sorting mechanism 101 to convey the sorted high-frequency battery piece; a plurality of low-frequency sorting mechanisms 201 are arranged at the low-frequency sorting section 2, the low-frequency battery piece is sorted by the low-frequency sorting mechanism 201, and a low-frequency conveying module 3 is arranged at the low-frequency sorting mechanism 201 to convey the sorted low-frequency battery piece.

[0030] Since the conveying speed of the low-frequency sorting section 2 is slow, the conveying time of the battery piece is increased, so fewer low-frequency conveying modules 3 can be arranged to convey, thereby reducing the number of low-frequency conveying modules 3 without affecting the sorting efficiency of the battery piece, thereby reducing the floor area and also reducing the production cost.

[0031] Further, when the transmission beat of the high-frequency sorting section 1 is 0.2-1.5 seconds, two half battery pieces are transmitted each time, the transmission beat of the low-frequency sorting section 2 is 1.5-5.5 seconds, two half battery pieces are transmitted each time; when the transmission time of each transmission beat of the high-frequency sorting section 1 is 0.1-1 second, the pause time is 0.1-0.5 second, the transmission time of each transmission beat of the low-frequency sorting section 2 is 0.1-1 second, and the pause time is 1.4-4.5 seconds. In addition, the moving distance of each transmission beat of the high-frequency sorting section 1 and the low-frequency sorting section 2 is 20-30 centimeters. Further, the low-frequency sorting section 2 is provided with a plurality of lines and simultaneously receives the battery pieces conveyed by the high-frequency sorting section 1.

[0032] Further, the transmission beat of the high-frequency sorting section 1 is 0.2-1.5 seconds, specifically 0.8 seconds, the transmission time of each transmission beat is 0.1-1 second, specifically 0.45-0.5 second, the pause time is 0.1-0.5 second, specifically 0.3-0.35 second, two half battery pieces are transmitted each time, and the transmission distance is 20-30 centimeters; the transmission beat of the low-frequency sorting section 2 is 1.5-5.5 seconds, specifically 4 seconds, the transmission time of each transmission beat is 0.1-1 second, specifically 0.45-0.5 second, the pause time is 1.4-4.5 seconds, specifically 3.5-3.55 seconds, and the transmission distance is 20-30 centimeters.

[0033] The speed buffering mechanism 5 is arranged between the low-frequency sorting section 2 and the high-frequency sorting section 1, and is used for buffering the battery piece. Further, the speed buffering mechanism 5 can be a conveying belt that continuously conveys, or can be a carrying module that temporarily adsorbs and stores the battery piece. Of course, the speed buffering mechanism 5 is not limited to the above, and can be any mechanism that can buffer the battery piece. The speed buffering mechanism 5 buffers the battery piece that enters the low-frequency sorting section 2 from the high-frequency sorting section 1, so that the battery piece with a high moving speed from the high-frequency sorting section 1 does not collide with the battery piece with a low moving speed in the low-frequency sorting section 2, and damage to the battery piece is avoided.

[0034] The low-frequency carrying module 3 includes the gear buffering mechanism 4 and the piece loading mechanism 6 matched with the gear buffering mechanism 4. The gear buffering mechanism 4 is provided with the basket 9 matched with the piece loading mechanism 6 and used for loading the battery piece. Further, the gear buffering mechanism 4 is arranged at the low-frequency sorting mechanism 201, and the piece loading mechanism 6 is arranged between the gear buffering mechanism 4 and the low-frequency sorting mechanism 201 and used for carrying the battery piece. The battery piece is carried by the basket 9. The functions of the carrying module are realized by the cooperation of the gear buffering mechanism 4 and the piece loading mechanism 6. Therefore, the carrying module for carrying the battery piece does not need to be additionally arranged at the low-frequency sorting section 2, the occupied area is reduced, and the production cost is reduced.

[0035] The gear buffering mechanism 4 includes the rack 401, the driving motor 403, and a plurality of synchronous belts 402 arranged on the rack 401 and used for buffering the battery piece. The plurality of synchronous belts 402 are arranged along the height direction of the rack 401. The synchronous belt 402 is provided with the transmission shaft 4021 used for driving the synchronous belt 402. The transmission shaft 4021 is provided with the transmission gear 4022. The output end of the driving motor 403 is provided with the driving gear 4031 engaged with the transmission gear 4022. Further, the plurality of synchronous belts 402 are distributed along the height direction of the rack 401, and the plurality of synchronous belts 402 horizontally convey. The synchronous belt 402 is driven by the driving motor 403, and the battery piece is buffered on the synchronous belt 402. The end of each synchronous belt 402 is provided with the transmission shaft 4021 used for driving the synchronous belt 402. The end of the transmission shaft 4021 is provided with the transmission gear 4022 that synchronously rotates. The output end of the driving motor 403 is provided with the driving gear 4031. The driving gear 4031 engages with the transmission gear 4022 to drive the transmission gear 4022 and the transmission shaft 4021 to synchronously rotate, so as to drive the synchronous belt 402.

[0036] The rack 401 is further provided with a plurality of damping gears 4011 engaged with the plurality of transmission gears 4022. Further, the plurality of damping gears 4011 are rotationally connected to the rack 401 along the height direction of the rack 401, and each damping gear 4011 is engaged with the corresponding transmission gear 4022. The damping gear 4011 is arranged to limit the rotation of the transmission gear 4022, so as to avoid the rotation of the synchronous belt 402 when it is not needed to run, thereby easily causing the battery piece on the synchronous belt 402 to deviate and fall off.

[0037] In addition, the specific working principle of the damping gear 4011 is to dissipate the rotation energy by using friction and viscous resistance. When the gear transmission in the mechanical system vibrates or impacts, the damping medium in the damping gear generates friction and viscous resistance to hinder the movement of the gear.

[0038] Further, the power mechanism 404 is arranged to control the engagement or disengagement of the driving gear 4031 of the driving motor 403 with the transmission gear 4022. The driving motor 403 is connected to the output end of the power mechanism 404. Further, the power mechanism 404 can be a telescopic cylinder, an electric cylinder or an electric motor. The driving motor 403 is connected to the output end of the power mechanism 404, and the movement of the driving motor 403 is realized under the action of the power mechanism 404, so as to control the engagement or disengagement of the driving gear 4031 with the transmission gear 4022, and further control the running of the synchronous belt 402. In addition, the damping gear 4011 can also avoid the deviation of the transmission gear 4022 to cause the disconnection with the driving gear 4031.

[0039] In order to reduce the floor area of the gear buffer mechanism 4 and effectively utilize the equipment space, a plurality of synchronous belts 402 are arranged in the vertical direction. The plurality of synchronous belts 402 are fixed on the same rack 401, and the plurality of synchronous belts 402 are arranged to be driven by one driving motor 403 and are provided with a lifting mechanism 7 to control the lifting of the rack 401.

[0040] Specifically, the gear buffer mechanism 4 further comprises a lifting mechanism 7 for lifting the rack 401. The lifting mechanism 7 comprises a lifting frame 701 and a lifting motor 702 arranged on the lifting frame 701 for lifting the rack 401. The rack 401 is connected to the output end of the lifting motor 702. Further, the output end of the lifting motor 702 is arranged downward, and the rack 401 is connected to the output end of the lifting motor 702. The lifting of the rack is driven by the lifting motor 702, so as to realize the lifting of the synchronous belt 402 and the engagement of the transmission gear 4022 on the different synchronous belts 402 with the driving gear 4031.

[0041] The loading mechanism 6 comprises a moving frame 601 and a swing arm motor 602 arranged on the moving frame 601, the output end of the swing arm motor 602 is connected with a horizontally rotating swing arm 603, a plurality of suction cups 604 for adsorbing battery pieces are arranged on the swing arm 603, further, the swing arm 603 is horizontally arranged, and the swing arm motor 602 drives the swing arm 603 to move along the horizontal direction, a plurality of suction cups 604 are arranged on the swing arm 603, and the spacing between the plurality of suction cups 604 is the same, the plurality of suction cups 604 are all connected with a gas pump for vacuumizing, the suction cups 604 are moved to the specified position during the swing of the swing arm 603 to adsorb the battery pieces, in order to improve the loading efficiency, the plurality of suction cups 604 are arranged, a plurality of battery pieces can be adsorbed at one time, and then the battery pieces are loaded into the flower basket 9.

[0042] In addition, a column 6012 is further included, the moving frame 601 is arranged on the column 6012, and the moving frame 601 is lifted on the column 6012, a moving frame motor 6011 for driving the moving frame 601 to lift is arranged on the moving frame 601, a rack 6013 arranged along the height direction of the column 6012 is arranged on the column 6012, a gear engaged with the rack 6013 is arranged at the output end of the moving frame motor 6011, the moving frame 601 is driven to lift by the moving frame motor 6011, and then the height of the suction cup 604 is adjusted.

[0043] When the plurality of suction cups 604 are arranged, a problem that the synchronous belt 402 hinders the adsorption of the battery pieces by the suction cups 604 occurs, therefore, a pitch changing mechanism 8 is further arranged between the loading mechanism 6 and the gear buffering mechanism 4, the distance between the battery pieces is changed by the pitch changing mechanism 8, so that the plurality of suction cups 604 can adsorb the battery pieces at the same time.

[0044] Specifically, the pitch changing mechanism 8 is further arranged between the loading mechanism 6 and the gear buffering mechanism 4, the pitch changing mechanism 8 comprises a vertically lifting support frame 801, the support frame 801 is arranged at the piece outlet end of the synchronous belt 402 for receiving the battery pieces, further, the support frame 801 is lifted along the height direction, and the support frame 801 is arranged at the piece outlet end of the synchronous belt 402 for receiving the battery pieces, the support frame 801 is lifted by the driving of a motor or a cylinder.

[0045] In addition, a plurality of clamping teeth 8011 for clamping the battery pieces are arranged on the support frame 801, the plurality of clamping teeth 8011 are equidistantly arranged along the vertical direction, and the spacing of the plurality of clamping teeth 8011 corresponds to the spacing of the plurality of suction cups 604, further, the plurality of clamping teeth 8011 are arranged along the height direction of the support frame 801, and the spacing between the plurality of clamping teeth 8011 is the same as the spacing between the plurality of suction cups 604.

[0046] After enough battery pieces are cached on the gear position caching mechanism 4, the pitch changing mechanism 8 is moved to the piece output end corresponding to the synchronous belt 402, the driving motor 403 drives the synchronous belt 402 to output the battery pieces, so that the battery pieces can be supported on the clamping teeth 8011, then the rack 401 and the driving motor 403 are adjusted, and the support frame 801 is adjusted up and down, the next synchronous belt 402 is controlled to output the battery pieces to another clamping tooth 8011, and the cycle is repeated, so that the battery pieces on each synchronous belt 402 are all transferred into the pitch changing mechanism 8, thereby facilitating the piece loading mechanism 6 to load the battery pieces into the flower basket 9.

[0047] In addition, it should be noted that in the present embodiment, the high-frequency sorting mechanism 101, the low-frequency sorting mechanism 201, the high-frequency carrying module 102 and the like are all prior art, and thus will not be described in detail.

[0048] The above description of disclosed embodiments enables those skilled in the art to carry out or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application; therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

[0049] Although the terms: high-frequency sorting section 1, high-frequency sorting mechanism 101, high-frequency carrying module 102, low-frequency sorting section 2, low-frequency sorting mechanism 201, low-frequency carrying module 3, gear position caching mechanism 4, rack 401, damping gear 4011, synchronous belt 402, transmission shaft 4021, transmission gear 4022, driving motor 403, driving gear 4031, power mechanism 404, speed caching mechanism 5, piece loading mechanism 6, moving frame 601, moving frame motor 6011, stand 6012, rack 6013, swing arm motor 602, swing arm 603, suction cup 604, lifting mechanism 7, lifting frame 701, lifting motor 702, pitch changing mechanism 8, support frame 801, clamping tooth 8011, flower basket 9 and the like are used more frequently in the drawings, the possibility of using other terms is not excluded. The use of these terms is only for the convenience of describing and explaining the essence of the present application; any additional limitation is contrary to the spirit of the present application.

Claims

1. A battery cell sorting device, characterized in that, It includes a high-frequency sorting section (1) and a low-frequency sorting section (2). The transmission speed of the low-frequency sorting section (2) is less than that of the high-frequency sorting section (1). The high-frequency sorting section (1) is provided with a plurality of high-frequency sorting mechanisms (101) for sorting high-frequency battery cells, and the low-frequency sorting section (2) is provided with a plurality of low-frequency sorting mechanisms (201) for sorting low-frequency battery cells. The high-frequency sorting mechanism (101) is provided with a high-frequency transport module (102) for transporting high-frequency battery cells, and the low-frequency sorting mechanism (201) is provided with a low-frequency transport module (3) for transporting low-frequency battery cells.

2. The battery cell sorting device according to claim 1, characterized in that, A speed buffer mechanism (5) for buffering battery cells is also provided between the low-frequency sorting section (2) and the high-frequency sorting section (1).

3. The battery cell sorting device according to claim 1, characterized in that, The low-frequency transport module (3) includes a gear buffer mechanism (4) and a wafer loading mechanism (6) that cooperates with the gear buffer mechanism (4), and a basket (9) that cooperates with the wafer loading mechanism (6) for loading the battery cells is provided on one side of the gear buffer mechanism (4).

4. The battery cell sorting device according to claim 3, characterized in that, The gear buffer mechanism (4) includes a frame (401), a drive motor (403), and several synchronous belts (402) arranged on the frame (401) for buffering battery cells. The several synchronous belts (402) are arranged along the height direction of the frame (401). The synchronous belts (402) are provided with a transmission shaft (4021) for driving the synchronous belts (402) to rotate. The transmission shaft (4021) is provided with a transmission gear (4022). The output end of the drive motor (403) is provided with a drive gear (4031) that meshes with the transmission gear (4022).

5. A battery cell sorting device according to claim 4, characterized in that, The frame (401) is also provided with damping gears (4011) that mesh with a number of transmission gears (4022).

6. A battery cell sorting device according to claim 4, characterized in that, It also includes a power mechanism (404) for controlling the engagement or disengagement of the drive gear (4031) and the transmission gear (4022) of the drive motor (403), wherein the drive motor (403) is connected to the output end of the power mechanism (404).

7. A battery cell sorting device according to claim 4, characterized in that, The gear buffer mechanism (4) also includes a lifting mechanism (7) for driving the frame (401) to rise and fall. The lifting mechanism (7) includes a lifting frame (701) and a lifting motor (702) installed on the lifting frame (701) for driving the frame (401) to rise and fall. The frame (401) is connected to the output end of the lifting motor (702).

8. A battery cell sorting device according to claim 3, characterized in that, The loading mechanism (6) includes a movable frame (601) and a swing arm motor (602) mounted on the movable frame (601). A horizontally rotating swing arm (603) is connected to the output end of the swing arm motor (602), and the swing arm (603) is provided with several suction cups (604) for adsorbing the battery cells.

9. A battery cell sorting device according to claim 4, characterized in that, A variable pitch mechanism (8) is also provided between the loading mechanism (6) and the gear buffer mechanism (4). The variable pitch mechanism (8) includes a vertically lifting support frame (801). The support frame (801) is located at the output end of the synchronous belt (402) to receive the battery cells.

10. A battery cell sorting device according to claim 9, characterized in that, The support frame (801) is provided with a plurality of teeth (8011) for holding and supporting the battery cells. The teeth (8011) are arranged at equal intervals in the vertical direction, and the spacing of the teeth (8011) corresponds to the spacing of the suction cups (604).

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