CN118164252A

CN118164252A - Feeding device, battery production line and control method of feeding device

Info

Publication number: CN118164252A
Application number: CN202410593253.8A
Authority: CN
Inventors: 左宇航
Original assignee: Contemporary Amperex Technology Co Ltd
Current assignee: Contemporary Amperex Technology Co Ltd
Priority date: 2024-05-14
Filing date: 2024-05-14
Publication date: 2024-06-11

Abstract

The application discloses a feeding device, a battery production line and a control method of the feeding device, wherein the feeding device comprises a frame, an ejection mechanism and a guide mechanism, and the frame comprises a placement position and a receiving position which are sequentially arranged along a first direction; the ejection mechanism is arranged at the first side of the placement position to drive the battery cell to separate from the tray along the second direction; the guiding mechanism is arranged on the second side of the placement position, the guiding mechanism comprises a first support, guiding pieces and a driving assembly, the first support is movably connected to the frame, the guiding pieces are connected to one side of the first support facing the placement position, at least two guiding pieces are sequentially arranged along the first direction, the output end of the driving assembly is in transmission connection with the first support so as to drive the first support to move along at least the first direction relative to the frame, and the first support drives the guiding pieces to move along the first direction so as to drive the battery cell to move along the first direction to the receiving position. The technical scheme provided by the embodiment of the application can simplify the structure and improve the suitability for a large number of battery cells.

Description

Feeding device, battery production line and control method of feeding device

Technical Field

The application relates to the technical field of production equipment, in particular to a feeding device, a battery production line and a control method of the feeding device.

Background

In the production process of the battery, a plurality of electric cores are required to be transferred and the relative position relation among the electric cores is kept, and in the related technology, the feeding device for transferring the electric cores is complex in structure and difficult to deal with the transfer of a large number of electric cores.

Disclosure of Invention

In order to solve the technical problems, the application aims to provide a feeding device, a battery production line and a control method of the feeding device.

The first aspect of the application provides a feeding device, which comprises a frame, an ejection mechanism and a guide mechanism, wherein the frame comprises a placement position and a receiving position which are sequentially arranged along a first direction, and the placement position can be used for placing a tray for bearing a battery cell; the ejection mechanism is arranged at the first side of the placement position and comprises an ejection piece moving along the second direction so as to drive the battery cell to be separated from the tray along the second direction; the guide mechanism is arranged at the second side of the placement position and comprises a first bracket, guide pieces and a driving assembly, the first bracket is movably connected to the frame, the guide pieces are connected to one side of the first bracket facing the placement position, at least two guide pieces are sequentially arranged along a first direction, the output end of the driving assembly is in transmission connection with the first bracket so as to drive the first bracket to move at least along the first direction relative to the frame, and the first bracket drives the guide pieces to move along the first direction so as to drive the battery cell to move along the first direction to the receiving position; wherein the first direction and the second direction are arranged at an included angle.

According to the technical scheme provided by the embodiment of the application, the rack provides a mounting foundation for the ejection mechanism and the guide mechanism, the rack is provided with the receiving position and the placing position, the placing position and the receiving position are sequentially arranged along the first direction, the placing position is used for placing the tray, the tray is used for bearing the battery cells and limiting the arrangement of the battery cells, and the receiving position is used for receiving the battery cells taken out from the tray. In order to facilitate taking out the battery cell from the tray, an ejection mechanism is arranged on the first side of the placement position, the ejection mechanism comprises an ejection piece moving along the second direction, and the ejection piece moves towards the battery cell along the second direction, so that the battery cell is driven to move along the second direction, the battery cell is separated from the tray, and the ejection piece provides support for the corresponding battery cell. On this basis, still be provided with guiding mechanism, guiding mechanism sets up the second side at the position of placing, guiding mechanism includes first support, guide and drive assembly, first support swing joint is in the frame, the guide is connected in first support orientation place one side, first support provides the installation basis for the guide, drive assembly's output transmission is connected in first support, with the relative frame motion of drive first support along first direction at least, first support drives the guide along first direction motion, the guide moves along first direction, thereby drive the battery cell by placing the position and move towards the position of receiving along first direction, so that transport the battery cell to the position of receiving according to original arrangement order, realize the material loading, and at least two guide are arranged in proper order along first direction, make first support can drive a plurality of guides motion simultaneously, and then drive a plurality of battery cell row motions. Compared with the scheme that a plurality of clamping jaws are used for clamping the battery cells for feeding respectively in the related art, the feeding device provided by the embodiment of the application comprises the ejection mechanism and the guide mechanism, the ejection mechanism and the guide mechanism are matched with each other to realize the feeding of the battery cells, the structure is simpler, the requirement on gaps among the battery cells is lower, the battery cells of a plurality of battery cell rows can be driven to move, the suitability adjustment is conveniently carried out according to the number of the battery cells, and the feeding device can adapt to the feeding operation of the battery cells in a large batch.

In some embodiments of the application, the guide is movably coupled to the first bracket, and the guide mechanism further includes a guide adjustment assembly for adjusting the relative position of the guide and the first bracket in a first direction.

Here, the guide piece swing joint is in first support to can adjust the position relative to first support, guide adjusting component can follow first direction regulation guide piece, make the guide piece change the position along first direction relative to first support, change the interval of two adjacent guide pieces promptly, thereby adapt to the electric core of different arrangement modes, improved loading attachment's universality.

In some embodiments of the present application, the guiding mechanism further includes a limiting component, wherein the limiting component is formed with a limiting groove extending along the first direction, and a groove wall of the limiting groove is abutted with the battery cell at least along the third direction; wherein the third direction is arranged at an included angle with the first direction.

Here, guiding mechanism is provided with spacing subassembly, and spacing subassembly is formed with the spacing groove, and when ejecting piece goes up electric core and tray separation, the electric core gets into in the corresponding spacing groove to at least along the cell wall looks butt of third direction and spacing groove, thereby it is spacing to electric core along the third direction by the spacing groove, in order to reduce the crooked possibility when electric core moves along first direction, thereby improved electric core stability in the material loading process.

In some embodiments of the present application, the number of the limiting assemblies is at least two, and each limiting assembly includes two limiting members forming a limiting groove, and the plurality of limiting members are sequentially arranged along the third direction.

Here, be provided with two at least spacing subassemblies, two locating parts of every spacing subassembly form the spacing groove, can correspond an electric core row, and a plurality of locating parts are arranged in proper order along the third direction, can carry out spacingly to a plurality of electric core rows to all provide stable support and spacing for every electric core.

In some embodiments of the present application, the guiding mechanism further includes a first bracket and a limit adjustment assembly, the limit element is movably connected to the first bracket, and the limit adjustment assembly is used for adjusting the relative position of the limit element and the first bracket along a third direction.

Here, locating part swing joint is in first support to but relative first support adjusts the position, and spacing adjusting part can follow the third direction and adjust the locating part, makes the locating part change the position along the relative first support of third direction, changes the interval of two adjacent locating parts promptly, both can change the size of spacing groove in order to adapt to the electric core of different thickness sizes, also can change the interval of two adjacent locating parts in order to adapt to the electric core of different arrangement modes, has improved loading attachment's universality.

In some embodiments of the present application, the ejection mechanism includes a second bracket and an ejection driving member, the second bracket is movable along a second direction relative to the frame, and the ejection member is connected to a side of the second bracket facing the placement position; the output end of the ejection driving piece is connected with the second bracket in a transmission way so as to drive the second bracket to move along the second direction.

Here, the second support provides the installation basis for ejecting, and the second support can be along the second direction motion relative to the frame, and the output transmission of ejecting driving piece is connected in the second support to drive the relative frame of second support and follow the second direction motion, and then make ejecting on the second support separate electric core and tray.

In some embodiments of the present application, the ejector includes a supporting portion and a rotating portion, the supporting portion is connected to the second bracket, the rotating portion is rotatably connected to a side of the supporting portion facing the placement position, and a rotation axis of the rotating portion is parallel to the third direction, and the rotating portion is used for supporting the electrical core; wherein the third direction is arranged at an included angle with the first direction.

Here, the supporting part of ejecting spare is connected in the second support, drives the supporting part motion by the second support, and rotary part then swivelling joint is in supporting part orientation place position one side, and rotary part is used for contacting and bearing the electric core, and when the electric core moved along first direction, the electric core drove rotary part rotation, and the friction between electric core and the ejecting spare is rolling friction, and the resistance that the electric core received is littleer, and the motion process is also more steady.

In some embodiments of the present application, the ejector is movably connected to the second support, and the ejector mechanism further includes an ejector longitudinal adjustment assembly and an ejector transverse adjustment assembly, wherein the ejector longitudinal adjustment assembly is used for adjusting the relative positions of the ejector and the second support along the first direction, and the ejector transverse adjustment assembly is used for adjusting the relative positions of the ejector and the second support along the third direction.

Here, ejecting spare swing joint is in the second support to but relative second support adjusts the position, ejecting longitudinal adjustment subassembly can be along first direction adjustment ejecting spare, with the interval of changing adjacent two ejecting spare along first direction, ejecting transverse adjustment subassembly can be along third direction adjustment ejecting spare, with the interval of changing adjacent two ejecting spare along the third direction, thereby adapts to the electric core of different arrangement, has improved loading attachment's universality.

In some embodiments of the present application, the tray includes a receiving hole, the receiving hole penetrates through the tray along the second direction, a flange is provided in the receiving hole, the flange is used for supporting the corresponding battery cell, and the ejector passes through the receiving hole to drive the corresponding battery cell to move.

Here, the tray is provided with the accommodation hole, is provided with the flange in the accommodation hole, when the battery cell was placed in the accommodation hole, provided the support for the battery cell that corresponds by the flange, and the accommodation hole link up the tray along the second direction, and the ejecting piece can be followed the second direction motion in order to pass the accommodation hole to drive the battery cell that corresponds and tray separation, the accommodation hole of tray can provide good spacing and support for the battery cell.

In some embodiments of the present application, the receiving hole includes a first receiving part, a second receiving part, and a third receiving part, the first receiving part being located at an upper side of the tray for receiving a bottom of the battery cell; the second accommodating part is positioned at the lower side of the tray and is used for accommodating the top of the battery cell; the third accommodation part is located between the first accommodation part and the second accommodation part and is used for accommodating the end assembly of the battery cell.

Here, the accommodation hole includes first accommodation portion and second accommodation portion, first accommodation portion and second accommodation portion are located the upside and the downside of tray respectively, when a plurality of trays pile up the setting, the bottom of electric core stretches into the first accommodation portion of its below, by the below tray provides support, the top of electric core then stretches into the second accommodation portion of its top, and for the tray of its top provides support, because the electric core receives the spacing of two trays respectively, also spacing relatively to two trays, the relative stability and the counterpoint of two trays have been kept, thereby be convenient for pile up of a plurality of trays, in order to facilitate transportation, the tip subassembly then can be held to the third accommodation portion, thereby protect the tip subassembly.

In some embodiments of the application, the dimension of the receiving hole in the second direction is smaller than the dimension of the cell in the second direction.

Here, because the size of holding hole along the second direction is less than the size of electric core along the second direction, when a plurality of trays pile up the setting, because the support of electric core, two adjacent trays exist the clearance along the second direction to make things convenient for stretching into the clearance such as manipulator and lift the tray that is located the top, thereby be convenient for get and put the tray that is provided with the electric core.

In some embodiments of the present application, the feeding device further includes a feeding level and a transmission mechanism, the transmission mechanism includes a first conveying component and a second conveying component, the first conveying component is disposed at the receiving level, and the first conveying component is used for receiving and taking out the battery cell; the second conveying assembly is arranged between the feeding position and the placing position and is used for conveying the tray from the feeding position to the placing position along the first direction.

Here, through setting up material loading level and transport mechanism, transport mechanism includes first conveying component and second conveying component, and first conveying component can take away the electric core that receives the position to the place of next group electric core, second conveying component then can be with containing the core tray transportation to place the position, has on placing the position and contains the core tray and need get under the condition of electric core, still can put into the material loading level in advance with another containing the core tray, thereby quickens the material loading beat, improves the material loading efficiency of electric core.

In some embodiments of the present application, the feeding device further includes a picking and placing mechanism, where the picking and placing mechanism includes a mechanical arm and a grabbing component, the grabbing component is used to grab the tray, and the mechanical arm drives the grabbing component to move so as to place the tray into the feeding level, or take out the placed tray.

Here, get through setting up and put the mechanism, get and put the mechanism and include the arm and snatch the subassembly, snatch the subassembly and snatch and can snatch the subassembly motion, the arm drives and snatch the subassembly motion to put into the material loading level with the tray that contains the electric core fast, perhaps take out the empty tray of putting the position, thereby improve material loading efficiency.

A second aspect of the present application provides a battery production line, including a processing apparatus, a transfer apparatus, and the loading device of any one of the first aspects, the processing apparatus being configured to process an electrical core; the feeding device is used for conveying the placed battery cells to processing equipment; the transfer equipment is arranged on the feeding side of the feeding device and used for conveying the tray and the battery cell to the feeding device.

According to the technical scheme, the tray and the battery cells are transported to the position of the feeding device through the transfer equipment, the battery cells are taken out from the tray and transported to the processing equipment by the feeding device, and the battery production line comprises the feeding device, so that the ejection mechanism and the guide mechanism of the feeding device can be matched with each other to realize the feeding of the battery cells, the structure is simple, the requirement on the gap between the battery cells is low, the suitability adjustment is convenient according to the number of the battery cells, and the battery cell feeding device can adapt to the feeding operation of a large number of battery cells.

The third aspect of the present application provides a control method of a feeding device, the feeding device including a receiving position, a placing position, a tray, an ejection mechanism and a guiding mechanism, the control method of the feeding device including: responding to a feeding instruction, and controlling an ejection mechanism to separate the battery core positioned in the ejection mechanism from the tray; the control guide mechanism drives the battery cell to move from the placement position to the receiving position.

According to the technical scheme, the feeding device can be applied to the feeding device, the battery cells at the position of placement are separated from the tray through the ejection mechanism, the battery cells are driven to move to the receiving position through the guide mechanism, the ejection mechanism and the guide mechanism can be matched with each other to realize feeding of the battery cells, the structure is simple, the requirement on gaps among the battery cells is low, the suitability adjustment is convenient according to the number of the battery cells, and the feeding device can be suitable for a large number of battery cell feeding operations.

In some embodiments of the present application, the guiding mechanism further includes a limiting component, the limiting component forms a limiting groove for limiting the battery cell, and the control method of the feeding device includes: responding to a feeding instruction, and controlling the limiting assembly to move to the tray position; in the process of controlling the ejection mechanism to separate the placed battery core from the tray, the battery core enters the limit groove.

Here, in the relative separation process of the battery core and the tray, the battery core is enabled to enter the limiting groove, and the limiting groove can limit the battery core, so that when the guiding mechanism drives the battery core to move, the possibility that the battery core is askew is reduced, and the stability of the battery core in the feeding process is improved.

In some embodiments of the present application, the feeding device further includes a feeding level, a first conveying assembly, a second conveying assembly, and a pick-and-place mechanism, and the control method of the feeding device includes: responding to a feeding instruction, and controlling a taking and placing mechanism to place a tray containing the battery cell into a feeding position; controlling the second conveying component to move, and conveying the tray from the feeding position to the placing position; controlling the first conveying assembly to move under the condition that the guide mechanism conveys the battery cell to the receiving position so as to take out the battery cell from the receiving position; and controlling the taking and placing mechanism to take out the tray placed in the placing position.

Here, get put the mechanism and can put into the material loading position with the tray that holds the electric core, transport to the position of putting by the second conveying component, this in-process, ejection mechanism and the guiding mechanism of position can carry out the material loading operation to the electric core of placing the position, and both are noninterference, and after the electric core is sent to the position of receiving, first conveying component in time takes away the electric core, gets and puts the mechanism and then takes out empty tray, each mechanism mutually support, and material loading efficiency is higher.

In some embodiments of the application, the guide mechanism includes a first bracket, a guide for driving the battery cell to move to the receiving position, and a guide adjustment assembly; the control method of the feeding device comprises the following steps: the control guide adjustment assembly adjusts the relative position of the guide and the first bracket.

Here, guide adjusting part can adjust the guide for the guide changes the position along relative first support, changes the interval of two adjacent guide promptly, thereby adapts to different electric core arrangements, has improved loading attachment's universality.

In some embodiments of the present application, the guiding mechanism includes a first bracket, a limiting member and a limiting adjustment assembly, and adjacent limiting members are used for forming a limiting slot for limiting the battery cell, and the control method of the feeding device includes: the control limit adjusting component adjusts the relative position of the limit piece and the first bracket.

Here, spacing adjusting part can adjust the locating part for the locating part changes the position along relative first support, changes the interval of two adjacent locating parts promptly, both can change the size of spacing groove in order to adapt to the electric core of equidimension, also can change the interval of two adjacent locating parts in order to adapt to the electric core of different arrangement modes, has improved loading attachment's universality.

In some embodiments of the present application, the ejection mechanism includes a second bracket, an ejection member, an ejection longitudinal adjustment assembly, and an ejection lateral adjustment assembly, and the method for controlling the feeding device includes: controlling the ejection longitudinal adjusting assembly and/or the ejection transverse adjusting assembly to adjust the relative positions of the ejection piece and the second bracket; wherein, the adjusting directions of the ejection longitudinal adjusting component and the ejection transverse adjusting component are different.

Here, ejecting longitudinal adjustment subassembly and ejecting transverse adjustment subassembly can be along different direction adjustment ejecting piece to change adjacent two ejecting piece along the interval of different directions, thereby adapt to different electric core arrangements, improved loading attachment's universality.

In some embodiments of the application, the loading device comprises a picking and placing mechanism, and the tray is provided with an identification part; the control method of the feeding device comprises the following steps: acquiring characteristic information contained in the identification part; and controlling the taking and placing mechanism to transport the tray according to the characteristic information, wherein the characteristic information at least comprises position information of the corresponding tray.

Here, be provided with the identification part on the tray, the identification part can be as the carrier of characteristic information, and characteristic information includes the positional information who corresponds the tray at least, gets through the positional information control of tray and puts the mechanism, can conveniently get and put the quick accurate tray that corresponds of locating of mechanism to improve the efficiency and the precision of material loading.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the accompanying drawings. In the drawings:

Fig. 1 is a schematic structural view (isometric view) of a feeding device according to an embodiment of the present application;

Fig. 2 is a schematic structural view (top view) of a battery production line according to an embodiment of the present application;

fig. 3 is a schematic structural diagram (front view) of a feeding device according to an embodiment of the present application;

fig. 4 is a schematic structural diagram (left view) of a feeding device according to an embodiment of the present application;

fig. 5 is a schematic structural view (isometric view) of a guiding mechanism in a feeding device according to an embodiment of the present application;

Fig. 6 is a schematic structural view (isometric view) of a guiding adjusting assembly and a limiting adjusting assembly in a feeding device according to an embodiment of the present application;

Fig. 7 is a schematic diagram (top view) of cooperation of an ejection mechanism and a guide mechanism in a feeding device according to an embodiment of the present application;

Fig. 8 is a schematic diagram (front view) of the cooperation of the ejection mechanism and the guide mechanism in the feeding device according to the embodiment of the present application;

FIG. 9 is a schematic view of the cross-sectional structure along A-A in FIG. 8 provided in accordance with an embodiment of the present application;

FIG. 10 is a schematic view of a partially enlarged structure of the portion B in FIG. 8 according to an embodiment of the present application;

fig. 11 is a schematic structural view (isometric view) of an ejection mechanism in a feeding device according to an embodiment of the present application;

Fig. 12 is a schematic structural view (isometric view) of an ejection longitudinal adjustment assembly and an ejection transverse adjustment assembly in a feeding device according to an embodiment of the present application;

Fig. 13 is a schematic structural view (top view) of a tray in a feeding device according to an embodiment of the present application;

FIG. 14 is a schematic view of the cross-sectional structure along line C-C in FIG. 13 provided in accordance with an embodiment of the present application;

FIG. 15 is a schematic view of a partially enlarged structure of the portion D in FIG. 13 according to an embodiment of the present application;

fig. 16 is a schematic flow chart of a control method of a feeding device according to an embodiment of the present application;

fig. 17 is a second flow chart of a control method of a feeding device according to an embodiment of the present application;

fig. 18 is a flowchart of a third embodiment of a method for controlling a feeding device according to the present application;

fig. 19 is a flow chart diagram of a control method of a feeding device according to an embodiment of the present application;

Fig. 20 is a flow chart diagram fifth of a control method of a feeding device according to an embodiment of the present application;

fig. 21 is a flowchart of a control method of a feeding device according to an embodiment of the application.

Reference numerals illustrate:

1-a frame; 11-receive bits; 12-placing the position; 13-loading level; 14-a first stacking position; 15-a second stacking position; 2-an ejection mechanism; 21-an ejector; 211-a support; 212-a rotating part; 22-a second bracket; 221-a first beam; 222-a second beam; 23-ejecting a driving member; 24-ejecting the longitudinal adjustment assembly; 25-ejecting the transverse adjusting component; 3-a guiding mechanism; 31-a guide; 32-a first scaffold; 321-a transverse supporting rod; 322-vertical support bar; 33-a drive assembly; 34-a limiting assembly; 341-a limit groove; 342-a limiting member; 35-a guide adjustment assembly; 36-limit adjusting components; 4-a tray; 41-receiving holes; 42-flanges; 411-a first receptacle; 412-a second receptacle; 413-a third receptacle; 43-a label; 4 a-core-containing stack; 4 b-coreless stack; 5-a transmission mechanism; 51-a first transport assembly; 52-a second delivery assembly; 6-a picking and placing mechanism; 61-a mechanical arm; 62-a grasping assembly; 7-processing equipment; 8-a transfer device; 9-an electric core; x-a first direction; z-a second direction; y-third direction.

Detailed Description

Embodiments of the technical scheme of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present application, and thus are merely examples, and are not intended to limit the scope of the present application.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description of the application and in the description of the drawings above are intended to cover non-exclusive inclusions.

In the description of embodiments of the present application, the technical terms "first," "second," "third," etc. are used merely to distinguish between different objects and should not be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present application, the term "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In this context, the character "/" generally indicates that the associated object is an "or" relationship.

In the description of the embodiments of the present application, the orientation or positional relationship indicated by the technical terms "length", "width", "thickness", "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are orientation or positional relationship based on the drawings, merely for convenience of describing the embodiments of the present application and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific orientation, be configured, operated, or used in a specific orientation, and thus should not be construed as limiting the embodiments of the present application.

In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like should be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to specific circumstances.

In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the term "contact" is to be understood in a broad sense as either direct contact or contact across an intermediate layer, as either contact with substantially no interaction force between the two in contact or contact with interaction force between the two in contact.

The present application will be described in detail below.

Batteries are increasingly used in life and industry. The battery is not only applied to energy storage power supply systems such as hydraulic power, firepower, wind power and solar power stations, but also widely applied to electric vehicles such as electric bicycles, electric motorcycles, electric automobiles and the like, and various fields such as aerospace and the like. With the continuous expansion of the battery application field, the market demand thereof is also continuously expanding.

In the production process of the battery, a plurality of orderly arranged battery cells need to be processed and moved, for example, in the battery cell feeding process, the relative position relation of the battery cells needs to be kept, in the related art, through arranging the mechanical claws, the mechanical claws are provided with clamping claws corresponding to each battery cell, each clamping claw can clamp the battery cells respectively, the layout of the plurality of clamping claws is consistent with that of the plurality of battery cells, but the mechanical claws comprise a plurality of clamping claws, the structure is complex, when the gaps between the adjacent battery cells are smaller, the clamping claws are difficult to clamp, and when the number of the battery cells is changed, the corresponding clamping claws need to be increased or decreased, so that the battery cells are difficult to adapt to mass battery cell transfer.

The present application proposes a feeding device, referring to fig. 1,2, 3 and 4, in view of the above problems in the related art, where the feeding device includes a frame 1, an ejection mechanism 2 and a guiding mechanism 3, the frame 1 includes a placement position 12 and a receiving position 11 sequentially arranged along a first direction x, and the placement position 12 can place a tray 4 for carrying a battery cell 9; the ejection mechanism 2 is arranged on the first side of the placement position 12, and the ejection mechanism 2 comprises an ejection piece 21 which moves along the second direction z so as to drive the battery cell 9 to be separated relative to the tray 4 along the second direction z; the guide mechanism 3 is arranged on the second side of the placement position 12, the guide mechanism 3 comprises a first bracket 32, a guide piece 31 and a driving component 33, the first bracket 32 is movably connected to the frame 1, the guide piece 31 is connected to one side of the first bracket 32 facing the placement position 12, at least two guide pieces 31 are sequentially arranged along a first direction x, the output end of the driving component 33 is in transmission connection with the first bracket 32 so as to drive the first bracket 32 to move at least along the first direction x relative to the frame 1, and the first bracket 32 drives the guide piece 31 to move along the first direction x so as to drive the battery cell 9 to move along the first direction x to the receiving position 11; wherein, the first direction x and the second direction z are arranged at an included angle.

In the embodiment of the application, the first direction x may be a transmission direction of the battery cell 9 on the rack, the second direction z and the first direction x may be included angles, the included angles may be acute angles, obtuse angles or right angles, a third direction y may be further provided on the basis, the third direction y and the first direction x may be included angles, the included angles may be acute angles, obtuse angles or right angles, and the third direction y is different from the second direction z. Referring to fig. 1 and 2, in one possible embodiment of the present application, a first direction x is disposed along a horizontal direction, a second direction z is disposed along a vertical direction, the second direction z is perpendicular to the first direction x, a third direction y is also disposed along the horizontal direction, and the third direction y is perpendicular to the first direction x and the second direction z, respectively.

In the embodiment of the present application, the rack 1 is used for carrying the ejection mechanism 2 and the guide mechanism 3, the rack 1 may be formed by connecting a plurality of support rods, referring to fig. 1 and 2, in one possible embodiment of the present application, the rack 1 includes a placement position 12 and a receiving position 11 sequentially arranged along a first direction x, the ejection mechanism 2 is disposed on a lower side, i.e., a first side, of the placement position 12 along a gravity direction, and the guide mechanism 3 is disposed on a second side of the placement position 12.

In an embodiment of the present application, the second side of the placement site 12 may be the opposite side or the adjacent side of the first side, for example, the ejection mechanism 2 is disposed at the lower side of the placement site 12, the guiding mechanism 3 is disposed at the upper side of the placement site 12, or the guiding mechanism 3 is disposed at one side of the placement site 12 along the third direction y.

In the embodiment of the present application, the placement position 12 and the receiving position 11 are both spaces on the frame 1, and it is understood that the placement position 12 and the receiving position 11 may be provided with a transmission mechanism, a limiting mechanism, and the like. Illustratively, the receiving station 11 is provided with a conveying mechanism, which can receive and transport the battery cells 9, and the placing station 12 can be provided with a limiting mechanism for maintaining the relative position of the tray 4 and the frame 1, so that the ejection mechanism 2 and the guide mechanism 3 take out the battery cells 9 in the tray 4.

In the embodiment of the present application, the tray 4 is used for carrying the electric core 9 and limiting the electric cores 9, for example, a plurality of limiting holes are provided on the tray 4, the plurality of limiting holes are arranged according to the arrangement mode required by the electric cores 9, the electric core 9 is arranged in each limiting hole, the electric cores 9 are limited by the limiting holes, the electric cores 9 which are sequentially arranged along the length direction of the tray 4 are an electric core row, and the electric core rows are sequentially arranged along the width direction of the tray 4 for convenience of description; the battery cells 9 sequentially arranged along the width direction of the tray 4 are a battery cell row, and a plurality of battery cell rows are sequentially arranged along the length direction of the tray 4.

Referring to fig. 1 and 2, when the tray 4 is placed on the placement position 12, the length direction thereof may correspond to the first direction x, the width direction of the tray 4 corresponds to the third direction y, the thickness direction of the battery cell 9 may correspond to the width direction of the tray 4, the width direction of the battery cell 9 may correspond to the length direction of the tray 4, and the length direction of the battery cell 9 corresponds to the thickness direction of the tray 4; for ease of description, a core-containing tray is referred to when the cells 9 are carried in the tray 4, and an empty tray is referred to when the cells 9 are not carried in the tray 4.

It should be noted that, the arrangement manner of the battery cells 9 may include a distance between two adjacent battery cells 9 in each battery cell row, a distance between two adjacent battery cell rows, a number of battery cells 9 in a battery cell row, and the like.

In the embodiment of the present application, the guide member 31 drives the battery cell 9 to move, which may be that the guide member 31 gives the battery cell 9 a pushing force to push the battery cell 9 to move towards the receiving position 11, or that the guide member 31 adsorbs the battery cell 9 through a sucker or the like, thereby giving a pulling force to the battery cell 9 to pull the battery cell 9 to move towards the receiving position 11, however, the guide member 31 may also give a pushing force and a pulling force to the battery cell 9 at the same time.

In the technical scheme provided by the embodiment of the application, the rack 1 provides a mounting foundation for the ejection mechanism 2 and the guide mechanism 3, the rack 1 is provided with the receiving position 11 and the placing position 12, the placing position 12 and the receiving position 11 are sequentially arranged along the first direction x, the placing position 12 is used for placing the tray 4, the tray 4 is used for bearing the battery cells 9, the battery cells 9 are limited in a distribution mode, and the receiving position 11 is used for receiving the battery cells 9 taken out from the tray 4.

In order to facilitate the removal of the cells 9 from the tray 4, an ejector mechanism 2 is provided on a first side of the placement location 12, the ejector mechanism 2 comprising an ejector 21 moving in a second direction z, the ejector 21 moving in the second direction z towards the cells 9, thereby driving the cells 9 to move in the second direction z to separate the cells 9 from the tray 4 and providing support for the corresponding cells 9 by the ejector 21.

On this basis, the guide mechanism 3 is further arranged on the second side of the placement position 12, the guide mechanism 3 comprises a first support 32, a guide piece 31 and a driving component 33, the first support 32 is movably connected to the frame 1, the guide piece 31 is connected to one side of the first support 32 facing the placement position 12, the first support 32 provides a mounting foundation for the guide piece 31, the output end of the driving component 33 is in transmission connection with the first support 32 so as to drive the first support 32 to move at least along a first direction x relative to the frame 1, the first support 32 drives the guide piece 31 to move along the first direction x, the guide piece 31 moves along the first direction x, and accordingly the battery cells 9 are driven to move from the placement position 12 to the receiving position 11 along the first direction x so as to transport the battery cells 9 to the receiving position 11 in an original arrangement mode, feeding is achieved, and at least two guide pieces 31 are sequentially arranged along the first direction x, so that the first support 32 can simultaneously drive a plurality of guide pieces 31 to move so as to drive a plurality of battery cells to move, and the guide pieces 31 are convenient to drive the guide pieces 31 to drive the battery cells 9 to move to the receiving position 11.

Compared with the scheme that a plurality of clamping jaws are used for clamping the battery cells 9 for feeding respectively in the related art, the feeding device provided by the embodiment of the application comprises the ejection mechanism 2 and the guide mechanism 3, the ejection mechanism 2 and the guide mechanism 3 are matched with each other to realize the feeding of the battery cells 9, the structure is simpler, the requirement on gaps between adjacent battery cells 9 is lower, the battery cells 9 of a plurality of battery cell rows can be driven to move, the suitability adjustment is conveniently carried out according to the number of the battery cells 9, and the feeding device can be suitable for feeding operation of a large number of battery cells 9.

In the embodiment of the present application, the first bracket 32 provides a mounting base for the guide member 31 and can drive the guide member 31 to move relative to the frame 1, and the embodiment of the present application is not limited by the structure of the first bracket 32, and the movable connection between the first bracket 32 and the frame 1 may be a rotary connection, a sliding connection, a flexible connection, or the like. Illustratively, the drive assembly 33 includes a rail structure coupled to an upper portion of the first carriage 32, the rail structure extending in the first direction x, the first carriage 32 being positioned between the rail structure and the ejector mechanism 2 and slidably coupled to the frame 1 via the rail structure for movement relative to the frame 1 in the first direction x.

In the embodiment of the present application, the driving component 33 may include a longitudinal driving component of a support, where the longitudinal driving component of the support may be a driving component for rotational movement of an output end of a motor, a corner cylinder, etc., or may be a driving component for linear movement of an output end of a hydraulic cylinder, a cylinder, an electric telescopic rod, etc., where the motor may be a servo motor, a stepper motor, etc. The rack longitudinal driving member is, for example, a motor, and is fixedly connected to the rack 1, and an output end of the rack longitudinal driving member is in transmission connection with the first rack 32, so as to drive the first rack 32 to move along the first direction x relative to the rack 1.

In the embodiment of the present application, the output end of the support longitudinal driving member is in transmission connection with the first support 32, where the transmission connection may be that the output end of the support longitudinal driving member is directly connected to the first support 32, or that the support longitudinal driving member is indirectly connected to the first support 32 through a transmission mechanism, and the transmission mechanism may be one or more of a gear mechanism, a rack-and-pinion mechanism, a cam mechanism, a ratchet mechanism, a sheave mechanism, a worm-and-gear mechanism, a ball screw mechanism, a belt transmission mechanism, a chain transmission mechanism, and a link mechanism. In one possible embodiment of the application, the carriage longitudinal drive is an electric motor, the output of which is in driving connection with the first carriage 32 via a ball screw mechanism.

In the embodiment of the present application, the driving assembly 33 may further include a vertical driving element of a support, where the vertical driving element of the support may be a driving element for rotational movement of an output end of a motor, a corner cylinder, etc., or may be a driving element for linear movement of an output end of a hydraulic cylinder, a cylinder, an electric telescopic rod, etc., where the motor may be a servo motor, a stepper motor, etc. Illustratively, the rack vertical drive is a motor, the rack vertical drive is fixedly connected to the output end of the rack vertical drive, and the first rack 32 is fixedly connected to the output end of the rack vertical drive.

Due to the fact that the support vertical driving piece is arranged, the first support 32 can be driven to move towards or away from the placement position 12 along the second direction z, when the first support 32 is away from the placement position 12, the space between the first support 32 and the placement position is large, the tray 4 can be conveniently taken and placed, when the first support 32 is close to the placement position 12, the distance between the guide piece 31 and the battery cell 9 is relatively short, and the guide piece 31 can conveniently apply force to the battery cell 9.

In the embodiment of the present application, the guide member 31 may be disposed corresponding to one cell 9 or may be disposed corresponding to a plurality of cells 9, so that, for simplifying the structure, the guide member 31 extends to two sides of the tray 4 along the third direction y, and thus may apply a force to a plurality of cells 9 in one cell row at a time.

On this basis, the number of the guides 31 may be two, three or more, and when a plurality of guides 31 are connected to the first bracket 32, the plurality of guides 31 are sequentially arranged along the first direction x, and each guide 31 corresponds to one cell row on the tray 4. It will be appreciated that the spacing between adjacent two guides 31 is adapted to the spacing between adjacent two rows of cells.

In order to adapt the spacing between adjacent guide members 31 to the different arrangements of the cells 9, referring to fig. 5 and 6, in some possible embodiments of the present application, the guide members 31 are movably connected to the first support 32, and the guide mechanism 3 further includes a guide adjustment assembly 35, where the guide adjustment assembly 35 is configured to adjust the relative positions of the guide members 31 and the first support 32 along the first direction x.

In the embodiment of the present application, the movable connection between the guide member 31 and the first bracket 32 may be a rotary connection, a sliding connection, a flexible connection, an elastic connection, or the like. In an example, the guide 31 is slidably connected to the first bracket 32, and a side of the first bracket 32 facing the ejection mechanism 2 is provided with a slide rail or a slide groove, and the guide 31 includes a sliding portion connected to the slide rail or the slide groove to be slidably connected to the first bracket 32 along the first direction x, and in order to increase stability of the sliding process, a plurality of slide rails or slide grooves may be provided along the third direction y.

In the embodiment of the present application, the guiding adjustment assembly 35 has a plurality of possible structural forms, in an example, the guiding adjustment assembly 35 includes a guiding adjustment driving member, the guiding adjustment driving member is fixedly connected to the first bracket 32, an output end of the guiding adjustment driving member is in transmission connection with the guiding member 31, the guiding adjustment driving member can drive the guiding member 31 to move along the first direction x relative to the first bracket 32, so as to change the relative positions of the guiding member 31 and the first bracket 32, and the guiding adjustment driving member has a self-locking function, so that the positions of the guiding member 31 and the first bracket 32 can be relatively fixed through self locking.

In another example, the guide adjustment assembly 35 includes a guide latch, which may be a clamp, a fastener, or the like, coupled to the guide 31, and when the guide latch is in the unlocked state, the guide 31 may carry the guide latch for movement relative to the first bracket 32, and after moving to a desired position, the guide latch is adjusted to the latched state, and the guide latch fixes the positions of the guide 31 and the first bracket 32 relative to each other.

In the embodiment of the application, the clamp can be an electromagnetic clamp, a hydraulic clamp and the like, and the clamp can apply force from two opposite sides in opposite directions, so that a member to be clamped (such as the first bracket 32) is clamped, and locking is realized by virtue of friction force; the fastening piece can be a bolt, a screw or the like, and the locking of the fastening piece is realized in a threaded locking mode by arranging a plurality of connecting holes on the corresponding component to be locked (such as the first bracket 32) and passing through the corresponding connecting holes.

In the technical scheme of the embodiment of the application, the guide piece 31 is movably connected to the first bracket 32, so that the position of the guide piece 31 can be adjusted relative to the first bracket 32, the guide adjusting assembly 35 can adjust the guide piece 31 along the first direction x, so that the position of the guide piece 31 along the first direction x relative to the first bracket 32 is changed, namely the distance between two adjacent guide pieces 31 is changed, thereby adapting to the battery cells 9 in different arrangement modes, and improving the universality of the feeding device.

In order to reduce the possibility of the battery cell 9 being skewed during the movement to the receiving position 11, referring to fig. 5, 6 and 7, in some possible embodiments of the present application, the guiding mechanism 3 further includes a limiting component 34, where the limiting component 34 is formed with a limiting groove 341 extending along the first direction x, and a groove wall of the limiting groove 341 abuts against the battery cell 9 at least along the third direction y.

In the embodiment of the present application, the limiting groove 341 extends along the first direction x, specifically, when the battery cell 9 is located in the limiting groove 341, the battery cell 9 may move along the first direction x relative to the limiting groove 341, and the limiting groove 341 limits the battery cell 9 along the third direction y, i.e. the groove wall of the limiting groove 341 is abutted against the battery cell 9 at least along the third direction y.

In the embodiment of the present application, the dimensions of the limiting groove 341 along the third direction y may be uniformly set, or may be partially unevenly set, for example, along the direction that the limiting groove 341 is away from the ejection mechanism 2, the dimensions of the limiting groove 341 along the third direction y are gradually reduced, that is, the limiting groove 341 is open, so as to facilitate the conductive core 9 to enter the limiting groove 341.

In the technical scheme of the embodiment of the application, the limiting assembly 34 is further arranged, the limiting assembly 34 is provided with the limiting groove 341, when the battery cell 9 is separated from the tray 4 on the ejection piece 21, the battery cell 9 enters the corresponding limiting groove 341 and is abutted against the groove wall of the limiting groove 341 at least along the third direction y, so that the battery cell 9 is limited by the limiting groove 341 along the third direction y, the possibility of skew of the battery cell 9 in the movement along the first direction x is reduced, and the stability of the battery cell 9 in the feeding process is improved.

In order to improve the limiting effect of the limiting assembly 34, referring to fig. 5, 6 and 9, in some possible embodiments of the present application, there are at least two limiting assemblies 34, and each limiting assembly 34 includes two limiting members 342 forming a limiting groove 341, where the plurality of limiting members 342 are sequentially disposed along the third direction y.

In the embodiment of the present application, the limiting component 34 includes two limiting members 342, where the two limiting members 342 are oppositely disposed along the third direction y, so as to form a limiting groove 341 extending along the first direction x, and the limiting members 342 may be in a plate structure, a rod structure, or the like. In some embodiments, the limiting member 342 is a plate-shaped structure, and the thickness direction thereof is along the third direction y, thereby saving space.

In other embodiments, the number of the limiting members 342 may be one, and a plurality of limiting grooves 341 are formed on a side of the limiting members 342 facing the ejection mechanism 2, and each limiting groove 341 corresponds to one cell array, so that the structure is simpler.

In the embodiment of the present application, the side of the limiting member 342 facing the ejection mechanism 2 may be chamfered, so that the corresponding limiting groove 341 forms an open structure, so that the battery cell 9 may enter the limiting groove 341 conveniently, and the two limiting members 342 included in the limiting assembly 34 may be both chamfered or one of the two limiting members may be chamfered.

In the embodiment of the present application, at least two limiting members 34 are provided, and two limiting members 342 in each limiting member 34 form a limiting groove 341, and the limiting groove 341 of one limiting member 34 corresponds to one cell array, it can be understood that when the plurality of limiting members 342 are sequentially arranged along the third direction y, the plurality of limiting members 34 are also sequentially arranged along the third direction y.

In the technical scheme of the embodiment of the application, at least two limiting assemblies 34 are arranged, two limiting members 342 of each limiting assembly 34 form a limiting groove 341, one cell array can be corresponding, a plurality of limiting members 342 are sequentially arranged along the third direction y, and the plurality of cell arrays can be respectively limited, so that stable support and limitation are provided for each cell 9.

In order to adapt the spacing between the limiting members 342 to the battery cells 9 of different arrangements, referring to fig. 5 and 6, in some possible embodiments of the present application, the guiding mechanism 3 further includes a limiting adjustment assembly 36, where the limiting members 342 are movably connected to the first support 32, and the limiting adjustment assembly 36 is used for adjusting the relative positions of the limiting members 342 and the first support 32 along the third direction y.

In the embodiment of the present application, the first support 32 may include a transverse support rod 321 and a vertical support rod 322, where the transverse support rod 321 may be disposed along a first direction x, or may be disposed along a third direction y, or a part of the transverse support rod 321 is disposed along the first direction x, another part of the transverse support rod 321 is disposed along the third direction y, and the vertical support rod 322 is disposed along a second direction z.

On this basis, the transverse supporting rod 321 is connected to the frame 1, the vertical supporting rod 322 is connected to the transverse supporting rod 321, the limiting member 342 and the guiding member 31 are connected to the transverse supporting rod 321 through different vertical supporting rods 322, the transverse supporting rod 321 and the vertical supporting rod 322 can also form a plurality of frame structures, and the first bracket 32 is formed with two frame structures, one of which is connected to the limiting member 342 and the other of which is connected to the guiding member 31, for example.

Referring to fig. 7, 8 and 9, in one possible embodiment of the present application, the frame structure of the connection guide 31 includes a transverse support bar 321 disposed along a first direction x, a plurality of vertical support bars 322 are sequentially disposed on the transverse support bar 321 along the first direction x, each vertical support bar 322 is connected with a corresponding guide 31, and the transverse support bar 321 disposed along the first direction x may be plural, so that one guide 31 is connected to a different transverse support bar 321 through the plurality of vertical support bars 322, and the stress stability of the guide 31 is improved.

Accordingly, the frame structure of the connection limiting member 342 includes the transverse supporting rods 321 arranged along the third direction y, the transverse supporting rods 321 are sequentially provided with a plurality of vertical supporting rods 322 along the third direction y, each vertical supporting rod 322 is connected with a corresponding limiting member 342, and the transverse supporting rods 321 arranged along the third direction y can be provided in plurality, so that one limiting member 342 is connected with different transverse supporting rods 321 through the plurality of vertical supporting rods 322, and the stress stability of the limiting members 342 is improved.

In the embodiment of the present application, the limiting member 342 and the first bracket 32 are directly or indirectly connected, but can move relatively, and the movable connection can be a rotary connection, a sliding connection, a flexible connection, an elastic connection, a driving connection, etc.

In one example, the limiter 342 is slidably coupled to the first bracket 32. Specifically, the side of the first support 32 facing the ejection mechanism 2 is provided with a sliding rail or a sliding groove, and the limiting member 342 includes a sliding portion connected to the sliding rail or the sliding groove so as to be slidably connected to the first support 32 along the third direction y.

In the embodiment of the present application, the limit adjustment assembly 36 has a plurality of possible structural forms, in an example, the limit adjustment assembly 36 includes a limit adjustment driving member, the limit adjustment driving member is fixedly connected to the limit member 342, an output end of the limit adjustment driving member is fixedly connected to the first bracket 32, the limit adjustment driving member can drive the first bracket 32 to move along the third direction y relative to the limit member 342, so as to change the relative positions of the first bracket 32 and the limit member 342, and the limit adjustment driving member has a self-locking function, so that the positions of the first bracket 32 and the limit member 342 can be relatively fixed by self-locking.

In another example, the spacing adjustment assembly 36 includes a spacing locking member, which may be a clamp, a fastener, or the like, connected to the spacing member 342, and when the spacing locking member is in the unlocked state, the spacing member 342 may carry the spacing locking member to move relative to the first bracket 32, and after moving to a desired position, adjust the spacing locking member to the locked state, where the spacing locking member fixes the positions of the first bracket 32 and the spacing member 342 relative to each other.

In the technical scheme of the embodiment of the application, the limiting piece 342 is movably connected to the first bracket 32, so that the position of the limiting piece 342 can be adjusted relative to the first bracket 32, the limiting piece 342 can be adjusted along the third direction y by the limiting adjusting component 36, so that the position of the limiting piece 342 relative to the first bracket 32 along the third direction y is changed, namely the distance between two adjacent limiting pieces 342 is changed, the size of the limiting groove 341 can be changed to adapt to the battery cells 9 with different thickness sizes, and the distance between two adjacent limiting components 34 can be changed to adapt to the battery cells 9 with different arrangement modes, thereby improving the universality of the feeding device.

In order to facilitate the separation of the battery cell 9 from the tray 4 by the ejector 21, and with reference to fig. 8, 9, 10 and 11, in some possible embodiments of the application, the ejector mechanism 2 comprises a second support 22 and an ejector drive 23, the second support 22 being movable in a second direction z with respect to the frame 1, the ejector 21 being connected to the side of the second support 22 facing the placement site 12; the output end of the ejection driving member 23 is in driving connection with the second bracket 22 to drive the second bracket 22 to move along the second direction z.

In the embodiment of the present application, the second bracket 22 provides a mounting base for the ejector 21 so that the ejector driving member 23 drives the plurality of ejector 21 simultaneously. The second bracket 22 includes a first beam 221 and a second beam 222, the first beam 221 is disposed along a first direction x, the second beam 222 is disposed along a third direction y, in an example, the first beam 221 is connected to an output end of the ejection driving member 23, the second beam 222 is connected to a side of the first beam 221 facing the placement position 12, and each second beam 222 is sequentially connected to a plurality of ejection members 21 along the first direction x; in another example, the second cross member 222 is connected to the output end of the ejection driving member 23, and the first cross member 221 is connected to a side of the second cross member 222 facing the placement position 12, and a plurality of ejection members 21 are sequentially connected to each of the first cross members 221 along the third direction y.

In the embodiment of the present application, the second support 22 may be movably connected to the frame 1 by a rotary connection, a sliding connection, a flexible connection, or the like, so that the second support 22 may move along the second direction z relative to the frame 1. Illustratively, a rail structure is connected to a lower portion of the frame 1, the rail structure extending in the second direction z, and the second bracket 22 is slidably connected to the frame 1 by the rail structure so as to move relative to the frame 1 in the second direction z.

In the embodiment of the present application, the ejection driving member 23 may be a driving member for rotational movement of an output end of a motor, a corner cylinder, etc., or may be a driving member for linear movement of an output end of a hydraulic cylinder, a cylinder, an electric telescopic rod, etc., where the motor may be a servo motor, a stepper motor, etc. Illustratively, the ejector driver 23 is a motor, and the ejector driver 23 is fixedly connected to the frame 1.

In the embodiment of the present application, the output end of the ejection driving member 23 is in transmission connection with the second bracket 22, and the transmission connection may be that the output end of the ejection driving member 23 is directly connected with the second bracket 22, or that the ejection driving member 23 is indirectly connected with the second bracket 22 through a transmission mechanism, and the transmission mechanism may be one or more of a gear mechanism, a rack-and-pinion mechanism, a cam mechanism, a ratchet mechanism, a sheave mechanism, a worm-and-gear mechanism, a ball screw mechanism, a belt transmission mechanism, a chain transmission mechanism, and a link mechanism. The output of the ejector drive 23 is in driving connection with the second carrier 22 by means of a rack and pinion mechanism, for example.

In the technical scheme of the embodiment of the application, the second support 22 provides a mounting foundation for the ejection member 21, the second support 22 can move along the second direction z relative to the frame 1, and the output end of the ejection driving member 23 is in transmission connection with the second support 22 so as to drive the second support 22 to move along the second direction z relative to the frame 1, so that the ejection member 21 on the second support 22 separates the battery cell 9 from the tray 4.

In order to reduce friction to the battery cell 9 and improve stability of the feeding process, referring to fig. 10, 11 and 12, in some possible embodiments of the present application, the ejector 21 includes a supporting portion 211 and a rotating portion 212, the supporting portion 211 is connected to the second bracket 22, the rotating portion 212 is rotatably connected to a side of the supporting portion 211 facing the placement position 12, and a rotation axis of the rotating portion 212 is parallel to the third direction y, and the rotating portion 212 is used for supporting the battery cell 9.

In the embodiment of the present application, the supporting portion 211 is used for providing support for the rotating portion 212, the supporting portion 211 is connected to the second bracket 22 and extends towards the placement portion along the second direction z, and the supporting portion 211 may be a block structure, a rod structure, or a plate structure, and its contour may be a regular or irregular pattern. Illustratively, the supporting portion 211 includes two supporting plates disposed opposite to each other along the third direction y, and the rotating portion 212 is disposed between the two supporting plates and is rotatably connected to the two supporting plates, respectively, to improve the stress stability between the rotating portion 212 and the supporting portion 211.

In the embodiment of the present application, the rotating portion 212 is rotatably connected to the corresponding supporting portion 211, the rotating portion 212 may be a roller, a ball, a drum, a roller, or the like, and the rotation axis of the rotating portion 212 is set along the third direction y, where the contact between the rotating portion 212 and the battery cell 9 may be point contact, line contact, or surface contact, and it is understood that when the contact area between the rotating portion 212 and the battery cell 9 is large, the mutual support between the rotating portion 212 and the battery cell 9 is relatively stable, and when the contact area between the rotating portion 212 and the battery cell 9 is small, the friction resistance between the rotating portion and the battery cell is small. Illustratively, the rotating portion 212 is a roller.

In the embodiment of the present application, the ejector 21 may include a plurality of rotating portions 212, and the plurality of rotating portions 212 may be sequentially disposed on the corresponding supporting portions 211 along the third direction y, or may be sequentially disposed on the corresponding supporting portions 211 along the first direction x. Referring to fig. 11 and 12, in one possible embodiment of the present application, the ejector 21 includes three or more rotating portions 212, and the rotating portions 212 are sequentially disposed on the corresponding supporting portions 211 along the first direction x so as to provide more stable support for the battery cells 9.

In the technical scheme of the embodiment of the application, the supporting part 211 of the ejection member 21 is connected to the second bracket 22, the supporting part 211 is driven by the second bracket 22 to move, the rotating part 212 is rotatably connected to the side of the supporting part 211 facing the placement position 12, the rotating part 212 is used for contacting and bearing the battery cell 9, when the battery cell 9 moves along the first direction x, the battery cell 9 drives the rotating part 212 to rotate, the friction between the battery cell 9 and the ejection member 21 is rolling friction, the resistance born by the battery cell 9 is smaller, and the movement process is smoother.

In order to enable the spacing between the ejector members 21 to adapt to the electrical cores 9 of different arrangement specifications, referring to fig. 11 and 12, in some possible embodiments of the present application, the ejector members 21 are movably connected to the second support 22, and the ejector mechanism 2 further includes an ejector longitudinal adjustment assembly 24 and an ejector transverse adjustment assembly 25, the ejector longitudinal adjustment assembly 24 is used for adjusting the relative positions of the ejector members 21 and the second support 22 along the first direction x, and the ejector transverse adjustment assembly 25 is used for adjusting the relative positions of the ejector members 21 and the second support 22 along the third direction y.

In the embodiment of the present application, the movable connection between the ejector 21 and the second support 22 means that the two are directly or indirectly connected, but can relatively move, and the movable connection may be a rotary connection, a sliding connection, a flexible connection, an elastic connection, a driving connection, or the like. The ejector 21 and the second holder 22 are slidably connected by a slide rail mechanism, for example.

It should be noted that, the ejector 21 may change positions relative to the second support 22 along different directions, and accordingly, a plurality of layers of sliding rail mechanisms may be disposed between the ejector 21 and the second support 22, for example, a first sliding rail mechanism is connected to the second support 22, a second sliding rail mechanism is connected to the first sliding rail mechanism, the ejector 21 may move relative to the second support 22 along the first direction x through the second sliding rail mechanism, and the ejector 21 may also move along the third direction y along the first sliding rail mechanism together with the second sliding rail mechanism, so that the ejector 21 moves relative to the second support 22 along the third direction y.

In the embodiment of the present application, the structure of the ejection longitudinal adjustment assembly 24 and the structure of the ejection lateral adjustment assembly 25 may be the same or different, in which the ejection longitudinal adjustment assembly 24 includes an ejection longitudinal locking member, the ejection lateral adjustment assembly 25 includes an ejection lateral locking member, the ejection longitudinal locking member and the ejection lateral locking member may be a clamp, a fastener, or the like, the ejection longitudinal locking member is connected to the ejection member 21, and when the ejection longitudinal locking member is in the unlocked state, the ejection member 21 may carry the ejection longitudinal locking member to move along the second slide rail mechanism, and after moving to a suitable position, the ejection longitudinal locking member is adjusted to the locked state, and the ejection longitudinal locking member relatively fixes the ejection member 21 and the second support 22 along the first direction x.

Correspondingly, the ejection transverse locking piece is connected to the second sliding rail mechanism, when the ejection transverse locking piece is in an unlocking state, the second sliding rail mechanism can carry the ejection transverse locking piece and the ejection piece 21 to move along the first sliding rail mechanism, after the ejection transverse locking piece moves to a proper position, the ejection transverse locking piece is adjusted to be in a locking state, and the ejection transverse locking piece relatively fixes the ejection piece 21 and the second sliding rail mechanism relative to the second bracket 22 along the third direction y.

It should be noted that the ejection longitudinal locking member and the ejection transverse locking member may also be applied to the first beam 221 or the second beam 222, so that the relative positions of the plurality of ejection members 21 and the second support 22 may be adjusted at one time, for example, the first beam 221 is connected to the output end of the ejection driving member 23, the first sliding rail mechanism is disposed on the first beam 221, the second beam 222 is slidably connected to the first sliding rail mechanism along the first direction x, the second sliding rail mechanism is disposed on the second beam 222, and the ejection member 21 is connected to the corresponding second sliding rail mechanism.

In other embodiments, the ejection longitudinal adjustment assembly 24 includes an ejection longitudinal adjustment driving member, the ejection lateral adjustment assembly 25 includes an ejection lateral adjustment driving member, the ejection longitudinal adjustment driving member is fixedly connected to the second bracket 22, the ejection lateral adjustment driving member is connected to an output end of the ejection longitudinal adjustment driving member, the ejection member 21 is connected to an output end of the ejection lateral adjustment driving member, and the ejection longitudinal adjustment driving member can drive the ejection member 21 to move along the first direction x relative to the second bracket 22, so as to change a relative position of the ejection member 21 and the first bracket 32.

Correspondingly, the ejection transverse adjusting driving member can drive the ejection member 21 to move along the third direction y relative to the second bracket 22, so that the relative positions of the ejection member 21 and the first bracket 32 are changed, the ejection longitudinal adjusting driving member and the ejection transverse adjusting driving member are provided with self-locking functions, the positions of the ejection member 21 and the second bracket 22 can be relatively fixed through self-locking, and it can be understood that the ejection transverse adjusting driving member and the ejection longitudinal adjusting driving member can also be connected to the first cross beam 221 or the second cross beam 222, so that the relative positions of the ejection members 21 and the second bracket 22 can be adjusted at one time, and the adjusting efficiency is improved.

In the technical scheme of the embodiment of the application, the ejection pieces 21 are movably connected to the second bracket 22, so that the positions of the ejection pieces 21 can be adjusted relative to the second bracket 22, the ejection longitudinal adjusting assembly 24 can adjust the ejection pieces 21 along the first direction x to change the distance between two adjacent ejection pieces 21 along the first direction x, and the ejection transverse adjusting assembly 25 can adjust the ejection pieces 21 along the third direction y to change the distance between two adjacent ejection pieces 21 along the third direction y, thereby adapting to the battery cells 9 in different arrangement modes and improving the universality of the feeding device.

In order to better limit the tray 4 to the cells 9, referring to fig. 13, 14 and 15, in some possible embodiments of the present application, the tray 4 includes a receiving hole 41, the receiving hole 41 penetrates the tray 4 along the second direction z, a flange 42 is provided in the receiving hole 41, the flange 42 is used for supporting the corresponding cell 9, and the ejector 21 passes through the receiving hole 41 to move the corresponding cell 9.

In the embodiment of the present application, the axial direction of the accommodating hole 41 is parallel to the second direction z, and the radial section of the accommodating hole 41 may be a regular pattern of a circle, a square, a triangle, a regular hexagon, or a trapezoid, or may be an irregular pattern. The accommodation hole 41 may be an equal-diameter hole or a variable-diameter hole. And the structures of the plurality of receiving holes 41 on the tray 4 may be the same or different, which is not limited in the embodiment of the present application.

In the embodiment of the present application, the flange 42 in the accommodating hole 41 is used for supporting the battery cell 9, the flange 42 may be disposed at the middle or end of the accommodating hole 41 in the axial direction, for example, the flange 42 is disposed at the middle of the accommodating hole 41 in the axial direction, and both side surfaces of the flange 42 in the axial direction of the accommodating hole 41 may be used for supporting the battery cell 9.

In the embodiment of the present application, the accommodating hole 41 and the flange 42 are matched to accommodate and support the battery cells 9, and also play a role in limiting the battery cells 9 on the tray 4, so that a plurality of battery cells 9 in the tray 4 are arranged according to a preset arrangement mode.

In the embodiment of the present application, the accommodating holes 41 and the electric cells 9 may be in one-to-one correspondence, or the accommodating holes 41 may also be arranged corresponding to a plurality of electric cells 9, referring to fig. 13, 14 and 15, in one possible embodiment of the present application, the accommodating holes 41 are in one-to-one correspondence with the electric cells 9, the radial cross section of the accommodating holes 41 is arranged corresponding to the radial cross section of the electric cells 9, and the radial cross section of the accommodating holes 41 is rectangular, when the electric cells 9 are located in the corresponding accommodating holes 41, the outer walls of the electric cells 9 abut against the accommodating holes 41, and the accommodating holes 41 limit the electric cells 9 therein at least along the first direction x and the third direction y.

In this embodiment of the present application, the ejector member 21 passes through the accommodating holes 41 to drive the corresponding battery cells 9 to move, specifically, each accommodating hole 41 is provided with a corresponding ejector member 21, the ejector member 21 moves towards the battery cells 9 along the second direction z so as to contact with the battery cells 9, and further pushes the battery cells 9 to separate from the corresponding flanges 42, so as to eject the battery cells 9 from the accommodating holes 41, so as to release the accommodating holes 41 from limiting the battery cells 9, and enable the battery cells 9 to move along the first direction x relative to the tray 4, and it is understood that the ejector member 21 needs to pass through the accommodating holes 41, so that the dimensions of the corresponding ejector member 21 in each direction along the radial direction of the accommodating holes 41 should be smaller than those of the corresponding accommodating holes 41.

In the technical scheme of the embodiment of the application, the tray 4 is provided with the accommodating hole 41, the accommodating hole 41 is internally provided with the flange 42, when the battery cells 9 are placed in the accommodating hole 41, the flange 42 provides support for the corresponding battery cells 9, the accommodating hole 41 penetrates through the tray 4 along the second direction z, the ejector 21 can move along the second direction z to penetrate through the accommodating hole 41, so that the corresponding battery cells 9 are driven to be separated from the tray 4, and the accommodating hole 41 of the tray 4 can provide good limit and support for the battery cells 9.

In order to facilitate stacking of a plurality of trays 4, referring to fig. 13, 14 and 15, in some possible embodiments of the present application, the receiving hole 41 includes a first receiving part 411, a second receiving part 412 and a third receiving part 413, the first receiving part 411 being located at an upper side of the tray 4 for receiving a bottom of the battery cell 9; the second accommodating part 412 is positioned at the lower side of the tray 4 and is used for accommodating the top of the battery cell 9; the third receiving part 413 is located between the first receiving part 411 and the second receiving part 412 for receiving the end assembly of the battery cell 9.

In the embodiment of the application, the first accommodating portion 411 is disposed on the upper side of the tray 4, that is, when the tray 4 is placed on the placement position 12, the first accommodating portion 411 is located on the side of the tray 4 away from the ejection mechanism 2, and the size of the first accommodating portion 411 along the second direction z is smaller than the size of the battery cell 9 along the direction, so that the bottom of the battery cell 9 can be accommodated in the first accommodating portion 411, thereby realizing the limit and support of the tray 4 on the battery cell 9.

In the embodiment of the present application, the second accommodating portion 412 is disposed on the lower side of the tray 4, that is, when the tray 4 is placed on the placement position 12, the second accommodating portion 412 is located on the side of the tray 4 close to the ejection mechanism 2, and the size of the second accommodating portion 412 along the second direction z is smaller than the size of the battery cell 9 along the direction, so that the battery cells 9 on the lower side of other trays 4 can accommodate the top portion in the second accommodating portion 412.

In the embodiment of the present application, the third receiving portion 413 is disposed between the first receiving portion 411 and the second receiving portion 412, and the third receiving portion 413 may correspond to the flange 42, i.e., an inner circumferential surface of the flange 42 forms a hole wall of the third receiving portion 413. The dimension of the third receiving portion 413 in the second direction z should be greater than the dimension of the end assembly in the direction, and the end assembly of the battery cell 9 may include a structure in which a terminal of the battery cell 9, an explosion-proof valve, etc. protrude from the upper surface of the battery cell 9.

In the technical solution of the embodiment of the present application, the accommodating hole 41 includes a first accommodating portion 411 and a second accommodating portion 412, where the first accommodating portion 411 and the second accommodating portion 412 are respectively located at an upper side and a lower side of the tray 4, when the plurality of trays 4 are stacked, the bottom of the battery cell 9 extends into the first accommodating portion 411 below the battery cell, the lower tray 4 provides support, the top of the battery cell 9 extends into the second accommodating portion 412 above the battery cell and provides support for the tray 4 above the battery cell, and since the battery cell 9 is limited by the two trays 4 respectively and also limits the two trays 4 relatively, the relative stability and alignment of the two trays 4 are maintained, so that stacking of the plurality of trays 4 is facilitated, so that transportation is facilitated, and the third accommodating portion 413 can accommodate the end component, thereby protecting the end component.

To facilitate the handling of the core-containing tray, referring to fig. 13, 14 and 15, in some possible embodiments of the application, the size of the receiving hole 41 in the second direction z is smaller than the size of the cell 9 in the second direction z.

In the embodiment of the present application, the plurality of trays 4 may be stacked along the second direction z, so as to facilitate transportation of the plurality of trays 4, but when the tray 4 located on the upper layer is taken and placed, a suitable force application point is required to apply force to the tray 4, and in the case that the size of the accommodating hole 41 along the second direction z is smaller than that of the battery cell 9 along the second direction z, the battery cell 9 may serve as a support between the two trays 4, so that a gap exists between the two trays 4, so as to facilitate taking and placing of the tray 4.

In the embodiment of the application, the tray 4 can be provided with the notch, and the notch can be arranged around the tray 4, so that when two trays 4 are stacked, the clamp and the like can be conveniently inserted into the notch, and the tray 4 can be conveniently taken and placed; or the handle is arranged on the periphery of the tray 4, so that the handle is convenient for clamping the mechanical clamp and is convenient for an operator to operate manually.

In the technical solution of the embodiment of the present application, since the size of the accommodating hole 41 along the second direction z is smaller than the size of the battery cell 9 along the second direction z, when a plurality of trays 4 are stacked, due to the support of the battery cell 9, a gap exists between two adjacent trays 4 along the second direction z, so that a manipulator or the like can extend into the gap to lift the tray 4 located above, thereby facilitating the picking and placing of the tray 4 provided with the battery cell 9.

In order to improve the feeding efficiency, referring to fig. 1 and 2, in some possible embodiments of the present application, the feeding device further includes a feeding level 13 and a conveying mechanism 5, the conveying mechanism 5 includes a first conveying component 51 and a second conveying component 52, the first conveying component 51 is disposed at the receiving location 11, and the first conveying component 51 is used for receiving and taking out the battery cell 9; the second conveying assembly 52 is arranged between the loading level 13 and the placement level 12 for conveying the trays 4 from the loading level 13 to the placement level 12 in the first direction x.

In the embodiment of the present application, the conveying mechanism 5 may include a mechanical arm mechanism, a conveyor belt mechanism, a turntable mechanism, a wheel type conveying line, etc., and the first conveying assembly 51 and the second conveying assembly 52 may take the same or different conveying forms. Illustratively, the first and second conveyor assemblies 51, 52 are wheeled conveyor lines, and the conveying direction of the first and second conveyor assemblies 51, 52 is set by the loading level 13 towards the receiving level 11.

In the technical scheme of the embodiment of the application, the feeding level 13 and the transmission mechanism 5 are arranged, the transmission mechanism 5 comprises a first transmission component 51 and a second transmission component 52, the first transmission component 51 can remove the battery core 9 of the receiving position 11 even if the battery core 9 is placed in the next group of battery cores 9, the second transmission component 52 can transport the core-containing tray to the placing position 12, and under the condition that the core-containing tray needs to take the battery core 9 on the placing position 12, the other core-containing tray can still be placed in the feeding level 13 in advance, so that the feeding beat is accelerated, and the feeding efficiency of the battery core 9 is improved.

In order to further improve the feeding efficiency, referring to fig. 1,2,3 and 4, in some possible embodiments of the present application, the feeding device further includes a picking and placing mechanism 6, where the picking and placing mechanism 6 includes a mechanical arm 61 and a grabbing component 62, the grabbing component 62 is used to grab the tray 4, and the mechanical arm 61 drives the grabbing component 62 to move so as to place the tray 4 into the feeding level 13 or take out the tray 4 of the placement location 12.

In the embodiment of the present application, the mechanical arm 61 may be a hydraulic driving mechanical arm, an air pressure driving mechanical arm, an electric driving mechanical arm, etc. according to the driving mode; the robot 61 may be a one-degree-of-freedom robot, a two-degree-of-freedom robot, a three-degree-of-freedom axis robot, or the like. The robot arm 61 is, for example, a three-degree-of-freedom pneumatically driven robot arm.

In an embodiment of the present application, the gripping assembly 62 may include a gripping driving member and at least two gripping jaws, where the gripping driving member may drive the at least two gripping jaws toward each other to grip the tray 4 or drive the at least two gripping jaws away from each other to release the tray 4. In addition, one or more grabbing components 62 can be arranged on the mechanical arm 61, and the grabbing components 62 can grab different parts of the tray 4, so that stability of the tray 4 when being transported is improved.

In the technical scheme of the embodiment of the application, by arranging the picking and placing mechanism 6, the picking and placing mechanism 6 comprises the mechanical arm 61 and the grabbing component 62, the grabbing component 62 can grab and loosen the tray 4, and the mechanical arm 61 drives the grabbing component 62 to move so as to quickly place the tray 4 containing the battery cell 9 into the feeding level 13 or take out an empty tray of the placing position 12, thereby improving the feeding efficiency.

On the basis, the embodiment of the application also provides a battery production line, and referring to fig. 1 and 2, the battery production line comprises a processing device 7, a transferring device 8 and the feeding device of the embodiment of the application, wherein the processing device 7 is used for processing the battery cells 9; the feeding device is used for conveying the battery cells 9 of the placement sites 12 to the processing equipment 7; the transfer equipment 8 is arranged on the feeding side of the feeding device and is used for conveying the tray 4 and the battery cell 9 to the feeding device, and the feeding side of the feeding device is the side on which the feeding device is provided with the feeding level 13.

In the embodiment of the present application, the processing device 7 may be a device for assembling the battery cell 9 and assembling the battery cell 9 into a battery module or a battery pack, and the processing device 7 may also be a device for detecting the working performance of the battery cell 9.

In the embodiment of the present application, the transferring device 8 may include a mechanical arm mechanism, a conveyor belt mechanism, a turntable mechanism, and the transferring device 8 may be a transferring truck. Illustratively, the transfer device 8 is a transfer vehicle, which can transport the core-containing trays to a stacking position near the loading device and stack the plurality of trays 4 in sequence, and the picking and placing mechanism 6 picks and places the core-containing trays at the stacking position to the loading position 13 or takes out the empty trays at the placing position 12.

In the embodiment of the application, a first stacking position 14 and a second stacking position 15 can be provided, wherein the first stacking position 14 is used for storing the core-containing tray of the battery cell 9 to be taken, namely, the first stacking position 14 is used for storing the core-containing material stack 4a, the second stacking position 15 is used for storing the empty tray of the battery cell 9, namely, the second stacking position 15 is used for storing the coreless material stack 4b, and the transferring equipment 8 can stack the core-containing tray to the first stacking position 14 and can also take away the empty tray of the second stacking position 15.

According to the technical scheme, the tray 4 and the battery cells 9 are transported to the position of the feeding device through the transporting equipment 8, the battery cells 9 are taken out from the tray 4 and transported to the processing equipment 7 by the feeding device, and the processing equipment 7 is used for processing.

In addition, an embodiment of the present application further provides a control method of a feeding device, referring to fig. 2 and 16, where the feeding device includes a receiving station 11, a placing station 12, a tray 4, an ejection mechanism 2 and a guiding mechanism 3, and the control method of the feeding device includes:

s100: in response to the feeding instruction, the ejection mechanism 2 is controlled to separate the battery cell 9 of the placement position 12 from the tray 4;

S200: the control guide mechanism 3 moves the battery cell 9 from the placement position 12 to the receiving position 11.

In the embodiment of the present application, the feeding instruction may be generated in response to an operation of an operator on the feeding device, for example, the operator presses a corresponding button to generate the feeding instruction, or the feeding instruction may be generated in response to a core-containing in-place sensor of the first stacking position 14 when the transferring device 8 stacks the core-containing material to the first stacking position 14, where the in-place sensor may detect whether the first stacking position 14 has a core-containing tray, and the embodiment of the present application is not limited thereto.

In the embodiment of the application, the ejector mechanism 2 separates the battery cell 9 of the placement position 12 from the tray 4, specifically, the ejector piece 21 of the ejector mechanism 2 moves relative to the tray 4 and applies force to the battery cell 9 in the tray 4, so that the battery cell 9 is forced to move relative to the tray 4 and further separate from the tray 4, the ejector piece 21 of the ejector mechanism 2 can apply force to the battery cell 9 along the gravity direction, and after the battery cell 9 is separated from the tray 4, the ejector piece 21 can still provide stable support for the battery cell 9.

In the embodiment of the present application, the guide mechanism 3 drives the battery cells 9 to move to the receiving position 11, or the guide member 31 in the guide mechanism 3 pushes the battery cells 9 to move, or the guide member 31 pulls the battery cells 9 to move through suction, so that after the battery cells 9 are separated from the tray 4, the battery cells can move from the placing position 12 to the receiving position 11 under the action of the guide member 31, and the arrangement mode of the battery cells 9 corresponds to the arrangement mode in the tray 4.

It can be understood that the feeding device further comprises a controller, a memory, an input assembly, an output assembly and the like, wherein the memory, the input assembly and the output assembly are electrically connected to the controller, the memory stores programs executable by a computer, and the controller executes the programs to realize the control method of the feeding device. The input component may be a button, a touch pad, a keyboard, a voice input component, etc., and the output component may be an indicator light, a display screen, a sound box device, etc., which is not limited in this embodiment of the present application.

According to the technical scheme, the feeding device can be applied to the feeding device, the battery cells 9 of the placement positions 12 are separated from the tray 4 through the ejection mechanism 2, the battery cells 9 are driven to move to the receiving positions 11 through the guide mechanism 3, the ejection mechanism 2 and the guide mechanism 3 can be matched with each other to realize the feeding of the battery cells 9, the structure is simple, the requirement on gaps among the battery cells 9 is low, the suitability adjustment is convenient according to the number of the battery cells 9, and the feeding device can adapt to a large number of battery cell 9 feeding operations.

In order to improve stability of the battery cell 9 during the feeding process, referring to fig. 6 and 17, in some possible embodiments of the present application, the guiding mechanism 3 further includes a limiting component 34, the limiting component 34 forms a limiting groove 341 for limiting the battery cell 9, and the control method of the feeding device includes:

S110: in response to the loading instruction, the limiting assembly 34 is controlled to move to the position of the tray 4;

s120: in the process of controlling the ejection mechanism 2 to separate the battery cell 9 of the placement position 12 from the tray 4, the battery cell 9 enters the limit groove 341.

In the embodiment of the application, the limiting component 34 is arranged at the placement position 12 and can move towards the tray 4 of the placement position 12, and the limiting component 34 can move to the upper side of the battery cell 9 in the tray 4 so that the battery cell 9 enters the limiting groove 341 of the limiting component 34 under the action of the ejection mechanism 2; or in the process that the limiting component 34 moves towards the tray 4, part of the battery cell 9 enters the limiting groove 341, the limiting groove 341 limits the battery cell 9, and therefore stability of the battery cell 9 in the moving process can be reduced.

In the embodiment of the present application, the sequence of step S110 and step S120 may be set according to the actual situation, and in some embodiments, the two may be executed synchronously, that is, in the process of moving the limiting component 34 towards the tray 4, the ejection mechanism 2 gradually separates the battery core 9 from the tray 4, so that time can be saved and production efficiency can be improved.

In other embodiments, step S110 is performed first, and then step S120 is performed, that is, after the limiting component 34 moves toward the tray 4, the ejector mechanism 2 acts again to separate the battery cell 9 from the tray 4, so that the battery cell 9 smoothly enters the corresponding limiting groove 341 of the limiting component 34.

In the technical scheme of the embodiment of the application, in the process of relatively separating the battery cell 9 from the tray 4 by the ejection mechanism 2, the battery cell 9 enters the limiting groove 341, and the limiting groove 341 can limit the battery cell 9, so that when the guide mechanism 3 drives the battery cell 9 to move, the possibility of skewing the battery cell 9 is reduced, and the stability of the battery cell 9 in the feeding process is improved.

In order to improve the feeding efficiency of the battery cell 9, referring to fig. 2 and fig. 18, in some possible embodiments of the present application, the feeding device further includes a feeding level 13, a first conveying assembly 51, a second conveying assembly 52, and a pick-and-place mechanism 6, and the control method of the feeding device includes:

S300: in response to the feeding instruction, controlling the picking and placing mechanism 6 to place the tray 4 containing the battery cell 9 into the feeding level 13;

s400: controlling the second conveying component 52 to move, and conveying the tray 4 from the loading position 13 to the placing position 12;

s500: in the case that the guide mechanism 3 transports the battery cell 9 to the receiving position 11, controlling the first conveying assembly 51 to move so as to take out the battery cell 9 from the receiving position 11;

S600: the pick-and-place mechanism 6 is controlled to take out the tray 4 placed on the placement site 12.

In the embodiment of the application, the trays 4 containing the battery cells 9, i.e. the core-containing trays are stacked and placed at the first stacking position 14, the picking and placing mechanism 6 can take the core-containing trays out of the first stacking position 14 and place the core-containing trays at the loading position 13 so as to speed up production time, for example, the grabbing component 62 of the picking and placing mechanism 6 is controlled by the controller to grab the core-containing trays at the uppermost layer of the first stacking position 14, the mechanical arm 61 of the picking and placing mechanism 6 drives the grabbing component 62 to move to the loading position 13, and then drives the core-containing trays grabbed by the grabbing component 62 to move to the loading position 13, and the grabbing component 62 is loosened so that the core-containing trays grabbed by the picking and placing mechanism stably fall on the second conveying component 52 corresponding to the loading position 13.

In embodiments of the present application, the second conveying component 52 may be a conveyor belt, etc., and in some embodiments, the second conveying component 52 may operate in response to the in-place of the cored tray, and may be that the loading level 13 is provided with an in-place sensor, and the in-place sensor generates a first start signal when detecting that the loading level 12 has the cored tray, or the picking and placing mechanism 6 sends the first start signal to the second conveying component 52 after placing the cored tray on the loading level 13, and the second conveying component 52 operates in response to the first start signal to transport the cored tray to the loading level.

In other embodiments, the second conveying assembly 52 operates in response to the empty tray of the placement site 12 being removed, and the placement site 12 may be provided with a sensor, which may be an image recognition sensor, a weight sensor, or the like, that generates a first activation signal upon detecting that the tray 4 of the placement site 12 is removed, or the pick-and-place mechanism 6 sends the first activation signal to the second conveying assembly 52 after the empty tray is removed from the placement site 12, and the second conveying assembly 52 operates in response to the first activation signal to transport the cored tray to the placement site.

In this embodiment of the present application, the first conveying component 51 may be a conveying belt, etc., because the plurality of electric cores 9 are formed with a plurality of electric core rows, the first conveying component 51 continuously operates, so that the distance between the electric cores 9 which enter the first conveying component 51 after entering the first conveying component 51 is relatively increased, which will destroy the arrangement mode of the plurality of electric cores 9, therefore, a sensor may be disposed at the first conveying component 51, for generating a second start signal when detecting that all electric cores 9 on the placement position 12 enter the first conveying component 51, or the guiding mechanism 3 generates a second start signal after moving to the receiving position 11, and the first conveying component 51 is started after responding to the second start signal, so as to synchronously drive the electric cores 9 thereon to move.

In the embodiment of the application, the picking and placing mechanism 6 can be operated in response to the sensor of the placing position 12, or in response to the in-place signal of the guiding mechanism 3 at the receiving position 11, so as to reduce the possibility that the picking and placing mechanism 6 interferes with the guiding mechanism 3, the grabbing component 62 of the picking and placing mechanism 6 grabs the empty tray of the placing position 12, the mechanical arm 61 drives the grabbing component 62 carrying the empty tray to move to the second stacking position 15, and the empty tray is stacked and stacked at the second stacking position 15, so that the tray 4 can be recycled.

In the technical scheme of the embodiment of the application, the taking and placing mechanism 6 can place the tray 4 containing the battery cells 9 into the loading position 13, and the tray 4 is transported to the placing position 12 by the second conveying component 52, in the process, the ejection mechanism 2 and the guide mechanism 3 of the placing position 12 can perform loading operation on the battery cells 9 of the placing position 12, the two mechanisms are not mutually interfered, and after the battery cells 9 are sent to the receiving position 11, the first conveying component 51 timely takes the battery cells 9 away, and the taking and placing mechanism 6 takes out the empty tray, and all the mechanisms are mutually matched, so that the loading efficiency is higher.

In order to facilitate loading of the loading device by using trays 4 with different specifications to meet different production requirements, referring to fig. 19, in some embodiments of the present application, the control method of the loading device further includes:

S700: the relative positions of the guide member 31 and the first bracket 32, the relative positions of the stopper 342 and the first bracket 32, and the position of the ejector 21 relative to the second bracket 22 are adjusted.

In the embodiment of the present application, the adjustment of the guide member 31 may correspond to the adjustment of the spacing between the plurality of battery cell rows, the adjustment of the limiting member 342 may correspond to the adjustment of the thickness dimension of the battery cell 9, and/or the adjustment of the spacing between the plurality of battery cell columns, and correspondingly, the adjustment of the position of the ejector member 21 relative to the second support 22 may also correspond to the adjustment of the spacing between the plurality of battery cell rows, the adjustment of the spacing between the plurality of battery cell columns, and the adjustment of the thickness dimension of the battery cell 9.

In order to enable the spacing of the guides 31 to accommodate the different arrangement specifications of the cells 9, referring to fig. 6 and 20, in some possible embodiments of the present application, the guide mechanism 3 includes a first bracket 32, the guides 31, and a guide adjustment assembly 35, the guides 31 being used to drive the cells 9 to move to the receiving position 11; the control method of the feeding device comprises the following steps:

s710: the control guide adjustment assembly 35 adjusts the relative positions of the guide 31 and the first bracket 32.

In an example, the guide adjusting assembly 35 includes a guide locking member, the guide locking member is a clamp, when the controller controls the guide locking member to unlock the guide member 31 relative to the first bracket 32, an operator can adjust the relative positions of the guide member 31 and the first bracket 32 according to the requirement, after the guide member is adjusted in place, the operator inputs an adjustment completion signal to the controller through the input assembly, and the controller controls the guide locking member to lock the corresponding guide member 31 relative to the first bracket 32, thereby completing the adjustment.

In another example, the guide adjustment assembly 35 includes a guide adjustment drive member, and the controller controls the guide adjustment drive member to adjust to a driving state according to the guide adjustment parameter to drive the guide member 31 to move relative to the first bracket 32, thereby adjusting the relative positions of the guide member 31 and the first bracket 32, and after the adjustment is in place, the controller controls the guide adjustment drive member to adjust to a locking state, thereby completing the adjustment.

In the embodiment of the present application, the guiding adjustment parameters may include a position parameter, a movement direction, a movement speed, a target position, etc. of the required adjustment guide 31, and the guiding adjustment parameters may be input by an operator through an input component or may be generated by a program.

In the technical scheme of the embodiment of the application, the guide adjusting component 35 can adjust the guide piece 31, so that the guide piece 31 changes position along the relative first bracket 32, namely, the distance between two adjacent guide pieces 31 is changed, thereby adapting to different arrangements of the battery cells 9 and improving the universality of the feeding device.

In order to adapt the spacing between the limiting members 342 to the battery cells 9 with different arrangements, referring to fig. 6 and 20, in some possible embodiments of the present application, the guiding mechanism 3 includes a first bracket 32, the limiting members 342 and a limiting adjustment assembly 36, the adjacent limiting members 342 are used to form a limiting slot 341 for limiting the battery cells 9, and the control method of the feeding device includes:

s720: the control limit adjustment assembly 36 adjusts the relative position of the limit piece 342 and the first bracket 32.

In an example, the limiting adjustment assembly 36 includes a limiting locking member, the limiting locking member is a clamp, when the controller controls the limiting locking member to unlock the limiting member 342 relative to the second support 22, an operator can adjust the relative positions of the limiting member 342 and the second support 22 according to requirements, after the limiting member is adjusted in place, the operator inputs an adjustment completion signal to the controller through the input assembly, and the controller controls the limiting locking member to lock the corresponding limiting member 342 relative to the second support 22, thereby completing the adjustment.

In another example, the limit adjustment assembly 36 includes a limit adjustment driving member, and the controller controls the limit adjustment driving member to adjust to a driving state according to the limit adjustment parameter, so as to drive the limit member 342 to move relative to the second bracket 22, thereby adjusting the relative positions of the limit member 342 and the second bracket 22, and after the limit adjustment driving member is adjusted in place, the controller controls the limit adjustment driving member to adjust to a locking state, thereby completing the adjustment.

In the embodiment of the present application, the limit adjustment parameters may include a position parameter, a movement direction, a movement speed, a target position, etc. of the limit member 342 to be adjusted, and the limit adjustment parameters may be input by an operator through an input component or may be generated by a program.

In the technical solution of the embodiment of the present application, the spacing adjustment assembly 36 may adjust the spacing member 342, so that the spacing member 342 changes position along the first support 32, that is, changes the distance between two adjacent spacing members 342, which not only can change the size of the spacing groove 341 to adapt to the battery cells 9 with different sizes, but also can change the distance between two adjacent spacing assemblies 34 to adapt to the battery cells 9 with different arrangement modes, thereby improving the universality of the feeding device.

In order to enable the spacing between the ejector members 21 to adapt to the battery cells 9 with different arrangement specifications, referring to fig. 12 and 20, in some possible embodiments of the present application, the ejector mechanism 2 includes a second bracket 22, an ejector member 21, an ejector longitudinal adjustment assembly 24, and an ejector transverse adjustment assembly 25, and the control method of the feeding device includes:

S730: controlling the ejection longitudinal adjustment assembly 24 and/or the ejection lateral adjustment assembly 25 to adjust the relative positions of the ejection member 21 and the second bracket 22; wherein the adjustment directions of the ejection longitudinal adjustment assembly 24 and the ejection lateral adjustment assembly 25 are different.

In the embodiment of the present application, the relative positions of the ejection member 21 and the second support 22 are adjusted by the ejection longitudinal adjustment assembly 24 and the ejection transverse adjustment assembly 25 from different directions, and the adjustment of the positions of the ejection member 21 relative to the second support 22 can correspond to the adjustment of the intervals of a plurality of battery cell rows, the adjustment of the intervals of a plurality of battery cell columns, and the adjustment of the widths of the battery cells 9. Illustratively, the ejector longitudinal adjustment assembly 24 corresponds to a pitch adjustment of a plurality of cell rows, the ejector lateral adjustment assembly corresponds to a pitch adjustment of a plurality of cell rows, and the width adjustment of the cells 9. Specifically, step S730 may include:

S731: controlling the ejection longitudinal adjustment assembly 24 to adjust the relative positions of the ejection member 21 and the second bracket 22;

s732: the ejection lateral adjustment assembly 25 is controlled to adjust the relative positions of the ejection member 21 and the second bracket 22.

In the embodiment of the present application, the sequence of step S731 and step S732 may be set according to the actual situation, and in some embodiments, the two may be performed synchronously, that is, in the process of adjusting the relative positions of the ejector 21 and the second bracket 22 along the first direction x by the ejector longitudinal adjusting component 24, the relative positions of the ejector 21 and the second bracket 22 are adjusted along the third direction y by the ejector transverse adjusting component 25, so that time can be saved and adjusting efficiency can be improved. In other embodiments, step S731 may be performed first, followed by step S732; step S732 is performed before step S731 is performed. The embodiments of the present application are not limited in this regard; either only step S732 or only step S731 is performed.

In an embodiment, the ejection longitudinal adjustment assembly 24 and the ejection transverse adjustment assembly 25 may include an ejection longitudinal locking member and an ejection transverse locking member, respectively, the ejection longitudinal locking member and the ejection transverse locking member are grippers, when the controller controls the ejection longitudinal locking member to unlock the ejection member 21 relative to the second support 22, an operator can adjust the relative positions of the ejection member 21 and the second support 22 along the first direction x according to the requirement, after the adjustment is in place, the operator sends an instruction to the ejection longitudinal locking member through the input assembly, and the controller controls the ejection longitudinal locking member to lock the corresponding ejection member 21 relative to the second support 22.

Accordingly, when the controller controls the ejection transverse locking piece to unlock the ejection piece 21 relative to the second support 22, an operator can adjust the relative positions of the ejection piece 21 and the second support 22 along the third direction y according to requirements, after the adjustment is in place, the operator sends an instruction to the ejection transverse locking piece through the input assembly, and the controller controls the ejection transverse locking piece to lock the corresponding ejection piece 21 relative to the second support 22, so that the adjustment is completed.

In another embodiment, the ejection longitudinal adjustment assembly 24 includes an ejection longitudinal adjustment driving member, and the controller controls the ejection longitudinal adjustment driving member to adjust to a driving state according to ejection longitudinal adjustment parameters, so as to drive the limiting member 342 to move along the first direction x relative to the second bracket 22, thereby adjusting the relative positions of the limiting member 342 and the second bracket 22, and after the adjustment is completed, the controller controls the ejection longitudinal adjustment driving member to adjust to a locking state.

Correspondingly, the ejection transverse adjusting assembly 25 comprises an ejection transverse adjusting driving member, the controller controls the ejection transverse adjusting driving member to be adjusted to be in a driving state according to ejection transverse adjusting parameters so as to drive the limiting member 342 to move along the third direction y relative to the second bracket 22, so that the relative positions of the limiting member 342 and the second bracket 22 are adjusted, and after the ejection transverse adjusting driving member is adjusted in place, the controller controls the ejection transverse adjusting driving member to be adjusted to be in a locking state, so that adjustment is completed.

In the embodiment of the present application, the ejection longitudinal adjustment parameters and ejection transverse adjustment parameters may include position parameters, movement directions, movement speeds, target positions, etc. of the ejection member 21 to be adjusted, and the ejection longitudinal adjustment parameters and ejection transverse adjustment parameters may be input by an operator through an input assembly or may be generated by a program.

In the technical scheme of the embodiment of the application, the ejection longitudinal adjusting assembly 24 and the ejection transverse adjusting assembly 25 can adjust the ejection pieces 21 along different directions so as to change the spacing between two adjacent ejection pieces 21 along different directions, thereby adapting to different arrangement of the battery cells 9 and improving the universality of the feeding device.

In order to facilitate the picking and placing mechanism 6 to pick and place the tray 4, referring to fig. 1, 13 and 21, in some embodiments of the present application, the feeding device includes the picking and placing mechanism 6, and the tray 4 is provided with the identification portion 43; the control method of the feeding device comprises the following steps:

S310: acquiring characteristic information contained in the identification part 43, wherein the characteristic information at least comprises position information of the corresponding tray 4;

s320: and controlling the picking and placing mechanism 6 to transport the tray 4 according to the characteristic information.

In the embodiment of the present application, the identification portion 43 may be a convex portion, a concave portion, or other structural features provided on the tray 4, or the identification portion 43 may be a two-dimensional code, a dot matrix code, a radio frequency chip, or the like provided on the tray 4. The characteristic information included in the identification portion 43 may be a positioning characteristic of the tray 4, a model number of the tray 4, information of the battery cells 9 carried by the tray 4, or the like. Illustratively, the marking portion 43 is a concave portion provided at a corner of the tray 4, the characteristic information is positional information of the tray 4, and the pick-and-place mechanism 6 positions the tray 4 through the marking portion 43, thereby accurately gripping the tray 4.

In the embodiment of the present application, the pick-and-place mechanism 6 may be provided with a sensor, for example, an image recognition sensor, which is used to identify the identification portion 43 on the tray 4, so as to provide a basis for positioning the tray 4 by the pick-and-place mechanism 6, and the sensor may also be a laser positioning sensor, an electromagnetic positioning sensor, or the like.

In the technical scheme of the embodiment of the application, the identification part 43 is arranged on the tray 4, the identification part 43 can be used as a carrier of characteristic information, the characteristic information at least comprises position information corresponding to the tray 4, and the picking and placing mechanism 6 is controlled by the position information of the tray 4, so that the picking and placing mechanism 6 can be conveniently, rapidly and accurately positioned to the corresponding tray 4, and the feeding efficiency and the feeding accuracy are improved.

In one possible embodiment of the present application, the operator adjusts the positions of the guide member 31, the limiting member 342 relative to the first support 32 and the position of the ejector member 21 relative to the second support 22 according to the correspondence of the tray 4, the transfer device 8 transfers the core-containing trays to the first stacking position 14 and stacks the core-containing trays, the picking and placing mechanism 6 recognizes the uppermost core-containing tray of the first stacking position 14 through the visual recognition sensor, the gripping assembly 62 grips the core-containing trays and carries the core-containing trays to the upper material level 13, and the second conveying assembly 52 transfers the core-containing trays of the upper material level 13 to the placing position 12 with the arrangement of the guide member 31, the limiting member 342 and the ejector member 21 corresponding to the tray 4.

Under the condition that the core-containing tray is in place, the first bracket 32 is driven by the bracket vertical driving piece to move downwards, the second bracket 22 is driven by the ejection driving piece 23 to move upwards, so that the battery cells 9 are separated from the tray 4, under the condition that the battery cells 9 are completely separated from the tray 4, the corresponding battery cells 9 are supported by the ejection piece 21, the first bracket 32 is driven by the bracket vertical driving piece to move towards the receiving position 11 along the first direction x, the corresponding battery cells 9 are respectively pushed by the guide piece 31 to move towards the receiving position 11 by the guide piece 31, under the condition that the battery cells 9 are all positioned at the receiving position 11, the first conveying assembly 51 is started to convey the battery cells 9 out of the receiving position 11, and the empty trays at the placing position 12 are conveyed to the second stacking position 15 by the taking and placing mechanism 6 to be stacked.

In the case that the empty pallet is placed in the second stacking position 15, the picking and placing mechanism 6 can again carry the pallet containing the core from the first stacking position 14 to the upper material position 13, the first bracket 32 is driven to move above the placing position 12 by the bracket vertical driving member and the bracket transverse driving member, and the second bracket 22 is driven by the ejection driving member 23 to move downwards so that the ejection member 21 is withdrawn from the placing position 12, so that the operation cycle is facilitated.

The above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application, and they should be included in the scope of the present application. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the application.

Claims

1. Feeding device, its characterized in that includes:

The rack comprises a placement position and a receiving position which are sequentially arranged along a first direction, wherein the placement position can be used for placing a tray for bearing the battery cells;

The ejection mechanism is arranged on the first side of the placement position and comprises an ejection piece moving along a second direction so as to drive the battery cell to be separated relative to the tray along the second direction;

The guide mechanism is arranged on the second side of the placement position and comprises a first bracket, a guide piece and a driving assembly, the first bracket is movably connected to the frame, the guide piece is connected to one side of the first bracket, which faces the placement position, at least two guide pieces are sequentially arranged along the first direction, the output end of the driving assembly is in transmission connection with the first bracket so as to drive the first bracket to move at least along the first direction relative to the frame, and the first bracket drives the guide piece to move along the first direction so as to drive the battery cell to move along the first direction to the receiving position;

Wherein the first direction and the second direction are arranged at an included angle.

2. The loading device of claim 1, wherein the guide is movably coupled to the first bracket, and the guide mechanism further comprises a guide adjustment assembly for adjusting the relative positions of the guide and the first bracket in the first direction.

3. The feeding device according to claim 1 or 2, wherein the guiding mechanism further comprises a limiting assembly, the limiting assembly is formed with a limiting groove extending along the first direction, and a groove wall of the limiting groove is abutted with the battery cell at least along a third direction;

Wherein the third direction and the first direction are arranged at an included angle.

4. The feeding device of claim 3, wherein the number of the limiting assemblies is at least two, each limiting assembly comprises two limiting members forming the limiting groove, and a plurality of limiting members are sequentially arranged along the third direction.

5. The loading device of claim 4, wherein the guiding mechanism further comprises a first bracket and a limit adjustment assembly, wherein the limit member is movably connected to the first bracket, and the limit adjustment assembly is configured to adjust the relative positions of the limit member and the first bracket along the third direction.

6. The loading device of claim 1, wherein the ejection mechanism comprises:

The second bracket can move along the second direction relative to the frame, and the ejection piece is connected to one side of the second bracket, which faces the placement position;

and the output end of the ejection driving piece is connected with the second bracket in a transmission way so as to drive the second bracket to move along the second direction.

7. The feeding device according to claim 6, wherein the ejector comprises a supporting portion and a rotating portion, the supporting portion is connected to the second bracket, the rotating portion is rotatably connected to one side of the supporting portion facing the placement position, a rotation axis of the rotating portion is parallel to a third direction, and the rotating portion is used for supporting the battery cell;

8. The loading device of claim 7, wherein the ejector is movably coupled to the second bracket, the ejector mechanism further comprises an ejector longitudinal adjustment assembly for adjusting relative positions of the ejector and the second bracket along the first direction, and an ejector lateral adjustment assembly for adjusting relative positions of the ejector and the second bracket along the third direction.

9. The feeding device of claim 1, wherein the tray comprises a receiving hole, the receiving hole penetrates through the tray along the second direction, a flange is arranged in the receiving hole and used for supporting the corresponding battery cell, and the ejector piece penetrates through the receiving hole to drive the corresponding battery cell to move.

10. The feeding apparatus of claim 9, wherein the receiving hole comprises:

The first accommodating part is positioned on the upper side of the tray and is used for accommodating the bottom of the battery cell;

the second accommodating part is positioned at the lower side of the tray and is used for accommodating the top of the battery cell;

and the third accommodating part is positioned between the first accommodating part and the second accommodating part and is used for accommodating the end assembly of the battery cell.

11. The feeding device of claim 9, wherein the size of the receiving hole along the second direction is smaller than the size of the battery cell along the second direction.

12. The feeding device of claim 1, further comprising a feeding level and a transfer mechanism, the transfer mechanism comprising:

the first conveying assembly is arranged at the receiving position and is used for receiving and taking out the battery cell;

and the second conveying assembly is arranged between the feeding position and the placing position and is used for conveying the tray from the feeding position to the placing position along the first direction.

13. The loading device of claim 12, further comprising a pick-and-place mechanism, wherein the pick-and-place mechanism comprises a mechanical arm and a grabbing component, the grabbing component is used for grabbing the tray, and the mechanical arm drives the grabbing component to move so as to place the tray into the loading position or take out the tray in the placing position.

14. A battery production line, comprising:

The processing equipment is used for processing the battery cell;

The loading device of any one of claims 1 to 13, for transporting the placed cells to the processing equipment;

and the transfer equipment is arranged on the feeding side of the feeding device and is used for conveying the tray and the battery cell to the feeding device.

15. The control method of the feeding device is characterized in that the feeding device comprises a receiving position, a placing position, a tray, an ejection mechanism and a guide mechanism; the method comprises the following steps:

Responding to a feeding instruction, and controlling the ejection mechanism to separate the battery cell at the placement position from the tray;

And controlling the guiding mechanism to drive the battery cell to move from the placing position to the receiving position.

16. The method of claim 15, wherein the guiding mechanism further comprises a limiting assembly, the limiting assembly forming a limiting slot that limits the cells, the method comprising:

responding to the feeding instruction, and controlling the limiting assembly to move to the tray position;

And controlling the ejection mechanism to enable the battery cell to enter the limit groove in the process of separating the battery cell in the placement position from the tray.

17. The method of claim 15 or 16, wherein the loading device further comprises a loading level, a first conveying assembly, a second conveying assembly, and a pick-and-place mechanism, the method comprising:

responding to the feeding instruction, and controlling the picking and placing mechanism to place the tray containing the battery cell into the feeding level;

controlling the second conveying assembly to move, and conveying the tray from the loading position to the placing position;

Controlling movement of the first conveying assembly to take the battery cell out of the receiving position with the guide mechanism transporting the battery cell to the receiving position;

And controlling the picking and placing mechanism to take out the tray in the placing position.

18. The method of claim 15, wherein the guide mechanism comprises a first bracket, a guide member and a guide adjustment assembly, the guide member being configured to drive the battery cell to move to the receiving position; the method comprises the following steps:

the guide adjustment assembly is controlled to adjust the relative position of the guide and the first bracket.

19. The method of claim 15, wherein the guiding mechanism includes a first bracket, a limiting member, and a limiting adjustment assembly, adjacent limiting members being configured to form a limiting slot that limits the battery cell, the method comprising:

and controlling the limit adjusting assembly to adjust the relative position of the limit piece and the first bracket.

20. The method of claim 15, wherein the ejector mechanism comprises a second bracket, an ejector longitudinal adjustment assembly, and an ejector lateral adjustment assembly, the method comprising:

controlling the ejection longitudinal adjustment assembly and/or the ejection transverse adjustment assembly to adjust the relative positions of the ejection piece and the second bracket;

wherein, the adjusting directions of the ejection longitudinal adjusting component and the ejection transverse adjusting component are different.

21. The method for controlling a feeding device according to claim 15, wherein the feeding device comprises a picking and placing mechanism, and the tray is provided with a marking part; the method comprises the following steps:

Acquiring characteristic information contained in the identification part;

Controlling the picking and placing mechanism to transport the tray according to the characteristic information;

wherein the characteristic information at least comprises position information of the corresponding tray.