CN118164256A - Cushion transfer device, cushion mounting equipment and battery production system - Google Patents

Abstract

The embodiment of the application provides a cushion pad transferring device, cushion pad mounting equipment and a battery production system, and relates to the technical field of battery production and processing equipment. The cushion pad transferring device comprises a mounting frame, a first driving unit, a second driving unit and two picking-up components, wherein the first driving unit is used for driving the two supporting pieces to mutually approach or separate along a first direction, so that the two picking-up pieces and the other two picking-up pieces mutually approach or separate along the first direction, the second driving unit is configured to be provided with two third transmission components, each third transmission component can drive the two picking-up pieces on one picking-up component to mutually approach or separate along a second direction, and the two picking-up pieces are further driven to mutually approach or separate along the first direction, so that the picking-up range of the four picking-up pieces can be enlarged or reduced, insulating pieces with different specifications are matched, and the compatibility of the transferring device for cushions with different specifications is improved.

Description

Cushion transfer device, cushion mounting equipment and battery production system

Technical Field

The present application relates to the field of battery technology, and more particularly, to a cushion transfer device, cushion mounting apparatus, and battery production system.

Background

Batteries are widely used in electronic devices such as cellular phones, notebook computers, battery cars, electric vehicles, electric airplanes, electric ships, electric toy vehicles, electric toy ships, electric toy airplanes, electric tools, and the like.

In the production process of batteries, the cushion pad to be installed on the battery monomer needs to be carried through the transfer device, and how to improve the compatibility of the transfer device to cushion pads with different specifications is one research direction in battery technology.

Disclosure of Invention

The application provides a cushion pad transferring device which has better compatibility for cushions with different specifications.

In a first aspect, embodiments of the present application provide a cushion transfer device comprising a mounting frame having first and second opposite sides, a first drive unit, a second drive unit, and two pickup assemblies; the first driving unit is connected to the mounting frame and comprises a first driving piece and a first transmission assembly which are in transmission connection; the second driving unit is connected to the mounting frame and comprises a second driving piece, a second transmission assembly and two third transmission assemblies which are sequentially connected in a transmission way, wherein the two third transmission assemblies are respectively positioned at two sides of the second transmission assembly along a first direction, and the first direction intersects with the arrangement direction of the first side and the second side; each picking assembly comprises a supporting piece and two picking pieces which are connected to the supporting piece in a sliding manner along a second direction, the two supporting pieces are respectively connected with the first transmission assembly and are mutually close to or far away from each other along the first direction under the drive of the first transmission assembly, the two picking pieces of one picking assembly are connected with one third transmission assembly, the two picking pieces of the other picking assembly are connected with the other third transmission assembly, and the third transmission assembly is configured to be capable of driving the two picking pieces connected with the third transmission assembly to mutually close to or far away from each other along the second direction, and the second direction is intersected with the first direction and is intersected with the arrangement direction of the first side and the second side.

According to the technical scheme, the first driving unit is utilized to drive the two supporting pieces to mutually approach or separate along the first direction, so that the two picking pieces and the other two picking pieces are mutually approach or separate along the first direction, the second driving unit is configured to be provided with two third transmission assemblies, each third transmission assembly can drive the two picking pieces on one picking assembly to mutually approach or separate along the second direction, and the two picking pieces are mutually approach or separate along the first direction, so that the picking range of the four picking pieces can be enlarged or reduced, insulating pieces with different specifications are matched, and the compatibility of the transfer device to buffer cushions with different specifications is improved.

In some embodiments of the present application, the first transmission assembly includes a first transmission mechanism, a second transmission mechanism, and two first moving members that are sequentially connected in a transmission manner, where the two first moving members are configured to be able to approach or separate from each other on the second transmission mechanism along the first direction, and the two supporting members are connected to the two first moving members one by one.

According to the technical scheme, the first transmission mechanism and the second transmission mechanism transmit the power of the first driving piece, so that the two first moving pieces move, and the two first moving pieces drive the supporting pieces connected with the two first moving pieces to move, so that the two picking pieces and the other two picking pieces are mutually close to or far from each other in the first direction.

In some embodiments of the application, the first transmission mechanism comprises a first belt wheel, a second belt wheel and a transmission belt, wherein the first belt wheel is in transmission connection with the first driving piece, the second belt wheel is in transmission connection with the second transmission mechanism, and the transmission belt is sleeved on the first belt wheel and the second belt wheel.

According to the technical scheme, the belt transmission is utilized to drive the second transmission mechanism to act, so that the transmission is stable, vibration and noise in the first transmission assembly can be reduced, and a more comfortable and quiet working environment is provided.

In some embodiments of the present application, the second transmission mechanism includes a first screw rod and two first shaft seats, the two first shaft seats are mounted on the mounting frame at intervals along the first direction, the first screw rod is rotatably connected to the two first shaft seats, the first moving member includes a first nut connected to the first screw rod, and the supporting member is connected to the first nut.

According to the technical scheme, the first screw rod is rotated to drive the first nut to linearly move, so that the rotary motion is converted into the linear motion, the transmission efficiency is high, the moving stroke of the first nut can be accurately controlled, and the distance between the two supporting pieces is accurately controlled.

In some embodiments of the present application, the second transmission mechanism further includes a first guide rod, the support member is provided with a first guide hole, and the support member is slidably disposed on the first guide rod through the first guide hole and is respectively connected to the two first shaft seats.

According to the technical scheme, the first guide rod is connected with the support piece, so that the movement of the first nut and the support piece can be guided, and the rotation of the support piece and the first nut can be limited.

In some embodiments of the present application, the second transmission assembly includes a third transmission mechanism and a lifting rod that are connected, the third transmission mechanism is in transmission connection with the second driving member and configured to drive the lifting rod to lift in a third direction, and the two third transmission assemblies are respectively connected to two ends of the lifting rod and can slide in the first direction along the lifting rod; the third direction is an arrangement direction of the first side and the second side.

According to the technical scheme, the lifting rod is driven to lift along the third direction through the third transmission mechanism, and meanwhile, the third transmission assembly drives the two pick-up pieces to be close to or far away from each other along the second direction, so that the distance between the two pick-up pieces on the same support piece is adjusted.

In some embodiments of the present application, the third transmission mechanism includes a second screw rod, a second nut, and two second shaft seats, the two second shaft seats are mounted on the mounting frame at intervals along the third direction, the second screw rod is rotatably connected to the two second shaft seats, the second nut is in threaded connection with the second screw rod, and the lifting rod is connected with the second nut.

According to the technical scheme, the second screw rod is rotated to drive the second nut to linearly move, so that the rotary motion is converted into the linear motion, the transmission efficiency is high, and the moving stroke of the lifting rod can be accurately controlled.

In some embodiments of the present application, the third transmission mechanism further includes a second guide rod, a connecting plate, and a bushing, the second guide rod is connected to the two second shaft seats respectively, the connecting plate is connected to the second nut, and the bushing is slidably disposed on the second guide rod.

According to the technical scheme, the connecting plate is arranged, the bushing on the connecting plate is connected with the guide rod, and the movement of the second nut and the lifting rod can be guided through the cooperation of the connecting plate and the second guide rod.

In some embodiments of the application, the third transmission assembly includes a fourth transmission mechanism and two second moving members; the fourth transmission mechanism is connected with the lifting rod, the fourth transmission mechanism comprises a first guide part and a second guide part which are arranged at intervals along a second direction, the first guide part extends along a fourth direction, the second guide part extends along a fifth direction, the fourth direction is intersected with the first direction, the second direction and the third direction respectively, and the fifth direction and the fourth direction are symmetrical in the second direction; one of the two second moving parts is connected with the first guiding part in a sliding way and is connected with one of the picking parts, and the other of the two second moving parts is connected with the second guiding part in a sliding way and is connected with the other picking part.

According to the technical scheme, the two second moving parts are respectively connected with the first guide part and the second guide part in a sliding manner to realize transmission, the first guide part and the second guide part are obliquely arranged, and in the lifting process of the lifting rod along with the first guide part and the second guide part, the two second moving parts can be driven to be close to or far away from each other along the second direction, so that the position adjustment of the two pick-up parts in the second direction is realized.

In some embodiments of the application, the first guide comprises a first slide hole and/or the second guide comprises a second slide hole.

According to the technical scheme, the sliding connection between the first sliding hole and the second moving piece is realized, and the sliding connection device is simple in structure, low in processing cost and easy to assemble.

In some embodiments of the application, the second motion member comprises a roller mounted to the support member so as to be axially rotatable about itself.

According to the technical scheme, the roller is connected with the first guide part or the second guide part, the roller can change original sliding friction into rolling friction, and abrasion of the second moving part, the first guide part and the second guide part is reduced.

In some embodiments of the application, both of the supports are located between two of the fourth transmissions configured to slidingly connect with adjacent ones of the supports along the third direction.

According to the technical scheme, the supporting piece is in sliding connection with the fourth transmission mechanism, so that the stability of the fourth transmission mechanism in the lifting process along the third direction can be improved.

In some embodiments of the application, the support comprises a first surface and a second surface facing away from each other in the first direction, the first surface being arranged to face the other support and being connected to the pick-up member, the second surface being provided with a first sliding connection, and the fourth transmission mechanism being provided with a second sliding connection, the first sliding connection and the second sliding connection being slidingly connected.

According to the technical scheme, the support piece is slidably connected with the fourth transmission mechanism through the first sliding connection part and the second sliding connection part.

In some embodiments of the present application, the fourth transmission mechanism includes a first transmission member, a first connection member, and a second transmission member, the first transmission member and the second transmission member being arranged at intervals along the first direction and connected by the first connection member, the first transmission member being provided with the first guide portion and the second guide portion, the second transmission member being provided with the second sliding connection portion, and the support member and the pickup member being located between the first transmission member and the second transmission member.

According to the technical scheme, the accommodating hole is formed through the first transmission piece, the first connecting piece and the second transmission piece, the supporting piece is arranged in the accommodating hole, the pickup assembly on one side of the supporting piece in the first direction is connected with the first transmission piece, and the other side of the supporting piece in the first direction is connected with the second transmission piece in a sliding manner, so that the space utilization rate of the fourth transmission mechanism can be improved, the size of the device is reduced, and meanwhile, the stability of the fourth transmission mechanism in the moving process can be improved through the supporting piece.

In a second aspect, an embodiment of the present application provides a cushion mounting apparatus for mounting a cushion to a battery cell, the cushion mounting apparatus including the cushion transfer device according to any one of the above-described aspects.

In a third aspect, an embodiment of the present application provides a battery production system, including the cushion mounting apparatus according to the above-described technical solution.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and other drawings may be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a cushion transfer device according to some embodiments of the present application at a first viewing angle;

FIG. 2 is a schematic view of a cushion transfer device according to some embodiments of the present application at a second view angle;

FIG. 3 is a schematic view of a cushion transfer device according to some embodiments of the present application when picking up small-sized cushions;

FIG. 4 is a schematic view of a cushion transfer device according to some embodiments of the present application during picking up large-sized cushions;

FIG. 5 is a schematic view of a mounting frame for a cushion transfer device according to some embodiments of the present application;

FIG. 6 is a schematic view of a second drive assembly of a cushion transfer device according to some embodiments of the present application;

FIG. 7 is a schematic view of a third drive assembly of a cushion transfer device according to some embodiments of the present application;

FIG. 8 is a schematic view of a pickup assembly of a cushion transfer device according to some embodiments of the present application at a first view angle;

fig. 9 is a schematic view of a pickup assembly of a cushion transfer device according to some embodiments of the present application at a second view angle.

Reference numerals of the specific embodiments are as follows:

100. A cushion pad transfer device;

10. A mounting frame; 11. a first side; 12. a second side; 13. a first mounting member; 14. a connecting column; 15. a second mounting member;

20. A first driving unit; 21. a first driving member; 22. a first transmission assembly; 221. a first transmission mechanism; 2211. a first pulley; 2212. a second pulley; 2213. a transmission belt; 222. a second transmission mechanism; 2221. a first screw rod; 2222. a first shaft seat; 2223. a first guide bar; 223. a first moving member; 2231. a first nut;

30. A second driving unit; 31. a second driving member; 32. a second transmission assembly; 321. a third transmission mechanism; 3211. a second screw rod; 3212. a second nut; 3213. a second axle seat; 3214. a second guide bar; 3215. a connecting plate; 3216. a bushing; 3217. a coupling; 322. a lifting rod; 33. a third transmission assembly; 331. a fourth transmission mechanism; 3311. a first guide part; 33111. a first slide hole; 3312. a second guide part; 33121. a second slide hole; 3313. a second sliding connection portion; 3314. a first transmission member; 3315. a first connector; 33151. a first connecting arm; 33152. a second connecting arm; 3316. a second transmission member; 33161. a sliding sleeve; 332. a second moving member; 3321. a roller;

40. A pick-up assembly; 41. a support; 411. a first surface; 412. a second surface; 413. a first sliding connection; 414. a third sliding connection; 415. a first guide hole; 42. a pick-up; 421. a second connector; 422. a negative pressure suction nozzle;

200. A cushion pad;

x, a first direction; y, second direction; z, third direction; w, the fourth direction; v, the fifth direction.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the 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 in the description of the application 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 the claims and the description of the drawings above, are intended to cover a non-exclusive inclusion. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order.

Reference in the specification 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.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "attached" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

The term "and/or" in the present application is merely an association relation describing the association object, and indicates that three kinds of relations may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In the present application, the character "/" generally indicates that the front and rear related objects are an or relationship.

In the embodiments of the present application, the same reference numerals denote the same components, and detailed descriptions of the same components are omitted in different embodiments for the sake of brevity. It should be understood that the thickness, length, width, etc. dimensions of the various components in the embodiments of the application shown in the drawings, as well as the overall thickness, length, width, etc. dimensions of the integrated device, are merely illustrative and should not be construed as limiting the application in any way.

The term "plurality" as used herein refers to two or more (including two).

Reference to a battery in accordance with an embodiment of the present application refers to a single physical module that includes one or more battery cells to provide higher voltage and capacity. For example, the battery referred to in the present application may include a battery module or a battery pack, or the like. The battery generally includes a battery case for enclosing one or more battery cells. The battery box body can reduce the influence of liquid or other foreign matters on the charge or discharge of the battery cells.

The battery cell mentioned in the embodiment of the present application may be a lithium ion secondary battery cell, a lithium ion primary battery cell, a lithium sulfur battery cell, a sodium lithium ion battery cell, a sodium ion battery cell or a magnesium ion battery cell, etc., which is not limited in the embodiment of the present application. The battery cell may be in a cylindrical shape, a flat shape, a rectangular parallelepiped shape, or other shapes, which is not limited in this embodiment of the application.

The battery cell according to an embodiment of the present application may include an electrode assembly including a positive electrode tab, a negative electrode tab, and a separator, and an electrolyte. The battery cell mainly relies on metal ions to move between the positive pole piece and the negative pole piece to work. The positive electrode plate comprises a positive electrode current collector and a positive electrode active material layer, and the positive electrode active material layer is coated on the surface of the positive electrode current collector; the positive electrode current collector comprises a positive electrode coating area and a positive electrode lug connected to the positive electrode coating area, wherein the positive electrode coating area is coated with a positive electrode active material layer, and the positive electrode lug is not coated with the positive electrode active material layer. Taking a lithium ion battery monomer as an example, the material of the positive electrode current collector can be aluminum, the positive electrode active material layer comprises a positive electrode active material, and the positive electrode active material can be lithium cobaltate, lithium iron phosphate, ternary lithium or lithium manganate and the like. The negative electrode plate comprises a negative electrode current collector and a negative electrode active material layer, and the negative electrode active material layer is coated on the surface of the negative electrode current collector; the negative electrode current collector comprises a negative electrode coating area and a negative electrode tab connected to the negative electrode coating area, wherein the negative electrode coating area is coated with a negative electrode active material layer, and the negative electrode tab is not coated with the negative electrode active material layer. The material of the anode current collector may be copper, the anode active material layer includes an anode active material, and the anode active material may be carbon or silicon, or the like. The material of the separator may be PP (polypropylene) or PE (polyethylene), etc.

The battery cell described in the embodiment of the application is suitable for a battery and an electric device using the battery. The electric device may be a vehicle, a mobile phone, a portable device, a notebook computer, a ship, a spacecraft, an electric toy, an electric tool, or the like. The vehicle can be a fuel oil vehicle, a fuel gas vehicle or a new energy vehicle, and the new energy vehicle can be a pure electric vehicle, a hybrid electric vehicle or a range-extended vehicle; spacecraft including airplanes, rockets, space planes, spacecraft, and the like; the electric toy includes fixed or mobile electric toys, such as a game machine, an electric car toy, an electric ship toy, and an electric airplane toy; power tools include metal cutting power tools, grinding power tools, assembly power tools, and railroad power tools, such as electric drills, electric grinders, electric wrenches, electric screwdrivers, electric hammers, impact drills, concrete shakers, and electric planers, among others. The embodiment of the application does not limit the electric device in particular.

The following describes embodiments of the present application in detail.

Currently, the more widely the application of power cells. The power 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 a plurality of fields such as military equipment, aerospace, and the like. With the continuous expansion of the application field of the power battery, the market demand of the power battery is also continuously expanding.

In the production process of the battery, the cushion pad is required to be respectively installed on the front side and the side of the battery cells through cushion pad installation equipment, the cushion pad is used for playing a role in buffering the joint of two adjacent battery cells, and in the installation process of the cushion pad, the cushion pad installation equipment is required to pick up and convey the cushion pad through a cushion pad transfer device of the cushion pad installation equipment. However, due to the different sizes of the front cushion and the side cushion, in order to improve stability during pick-up and delivery, it is desirable that the cushion transfer device be able to match cushions of different gauge sizes.

The cushion transfer device at least comprises four pickup pieces, the shape formed by the four pickup pieces in a surrounding mode is matched with the whole outline of the cushion, in order to enable the cushion transfer device to be matched with cushions of different specifications and sizes, the distance between every two of the four pickup pieces is required to be adjustable, in the related art, the four pickup pieces are driven to be respectively adjusted in the distance between every two through more driving pieces and more transmission structures, and the cushion transfer device is complex in structure and heavy in equipment.

Therefore, how to improve the compatibility of the transfer device with buffer pads of different specifications and to simplify the structure of the transfer device is an important issue in battery production and processing.

In view of the above, the present application provides a technical solution, which realizes that the distance between every two of the four pick-up members is adjustable only through the first driving member, the second driving member, the first transmission assembly, the second transmission assembly and the two third transmission assemblies, and can simplify the structure of the transfer device to a certain extent while meeting the requirement that the transfer device can be matched with cushion pads of different specifications.

The cushion transfer device of this embodiment will be described with reference to FIGS. 1-9.

Referring to fig. 1 and 2, an embodiment of the present application provides a cushion transfer device 100, including a mounting frame 10, a first driving unit 20, a second driving unit 30, and two pickup assemblies 40, wherein the mounting frame 10 has a first side 11 and a second side 12 opposite to each other; the first driving unit 20 is connected to the mounting frame 10 and comprises a first driving member 21 and a first transmission assembly 22 in transmission connection; the second driving unit 30 is connected to the mounting frame 10, and comprises a second driving member 31, a second transmission assembly 32 and two third transmission assemblies 33 which are sequentially connected in a transmission manner, wherein the two third transmission assemblies 33 are respectively positioned at two sides of the second transmission assembly 32 along a first direction X, and the first direction X intersects the arrangement direction of the first side 11 and the second side 12; each pick-up assembly 40 comprises a support 41 and two pick-up members 42 slidably connected to the support 41 along a second direction Y, the two support members 41 are respectively connected to the first transmission assembly 22 and are moved towards or away from each other along a first direction X under the driving of the first transmission assembly 22, the two pick-up members 42 of one pick-up assembly 40 are connected to one of the third transmission assemblies 33, the two pick-up members 42 of the other pick-up assembly 40 are connected to the other third transmission assembly 33, and the third transmission assembly 33 is configured to move the two pick-up members 42 towards or away from each other along the second direction Y, which intersects the first direction X and intersects the alignment direction of the first side 11 and the second side 12.

The first side 11 and the second side 12 in this embodiment may be understood as sides or sides, when the cushion transfer device 100 is actually applied, the first side 11 is an upper side, the second side 12 is a lower side, the first direction X and the second direction Y may be horizontal directions, the first direction X may be perpendicular to the second direction Y, the arrangement direction of the first side 11 and the second side 12 is a third direction Z, the third direction Z may be a vertical direction, and the third direction Z is perpendicular to the first direction X and the second direction Y, respectively.

The mounting frame 10 of the present embodiment serves as a mounting base for the entire cushion transfer device 100 in a variety of structural configurations, and particular alternatives are set forth below.

In some examples, the cushion transfer device 100 may optionally further include a moving unit (not shown in the drawings), where the moving unit may be a mechanical arm, and the mounting frame 10 may be used to connect to the mechanical arm, and the mechanical arm drives the cushion transfer device 100 to move to transfer the cushion 200.

The first driving unit 20 of the present embodiment is connected to the mounting frame 10, and the first driving member 21 may be mounted to the first mounting member 13, and the first transmission assembly 22 may be mounted to the second mounting member 15.

The second driving unit 30 of the present embodiment is connected to the mounting member, and may be that the second driving member 31 and the second transmission assembly 32 are both mounted to the first mounting member 13.

Referring to fig. 3, when the cushion pad 200 with smaller size needs to be adapted, the first driving member 21 and the first transmission assembly 22 are utilized to drive the two supporting members 41 to approach each other along the first direction X, so as to reduce the distance between the two supporting members 41, and further achieve the approach between the two picking members 42 and the other two picking members 42 along the first direction X, meanwhile, the second driving assembly of the present embodiment may drive the second transmission assembly 32 and the two third transmission assemblies 33 to act, and each third transmission assembly 33 may drive the two picking members 42 on one picking member 40 to approach each other along the second direction Y, so as to achieve the approach between the two picking members 42 along the first direction X, thereby reducing the picking range of the four picking members 42, and further matching the insulation sheets with smaller size.

As shown in fig. 4, in the same way, when the cushion transfer device 100 of the present embodiment needs to adapt to a cushion 200 with a larger size, the first driving member 21 and the first transmission assembly 22 are utilized to move the two supporting members 41 away from each other along the first direction X, so as to enlarge the distance between the two supporting members 41, and further achieve that the two picking members 42 and the other two picking members 42 are away from each other along the first direction X, meanwhile, the second driving assembly of the present embodiment can drive the second transmission assembly 32 and the two third transmission assemblies 33 to move, and each third transmission assembly 33 can drive the two picking members 42 on one picking member 40 to be away from each other along the second direction Y, so as to achieve that the two picking members 42 are away from each other along the first direction X, thereby enlarging the picking range of the four picking members 42, and further matching with the insulating sheets with a larger size.

As shown in connection with fig. 5, in some examples, the mounting members may alternatively include a first mounting member 13, a connection post 14, and a second mounting member 15, and the first mounting member 13 may be a plate-like member, and the second mounting member 15 may be in the form of a rectangular frame as shown, with the upper ends of the connection posts 14 connected to the first mounting member 13 and the lower ends connected to the second mounting member 15.

The first mounting member 13, the connecting post 14 and the second mounting member 15 are connected in this order along a third direction Z in the drawing, the first mounting member 13 has an upper surface and a lower surface which are opposite to each other, the arrangement direction of the upper surface and the lower surface is the third direction Z, the first side 11 of the mounting member may be understood as the side on which the upper surface or the upper surface is located, the second side 12 may be understood as the side on which the lower surface or the lower surface is located, or as shown in fig. 1 and 2, the second side 12 may be understood as the side on which the second mounting member 15 is located.

The first and second drive members 21, 31 may be mounted directly on the first mounting member 13, and the first transmission assembly 22 may be connected to the first mounting member 13 or, as shown in fig. 1, on the second mounting member 15, with the first transmission assembly 22 being located in the space between the first and second mounting members 13, 15, and the second and third transmission assemblies 32, 33 being located at least partially in the space between the first and second mounting members 13, 15.

Referring again to fig. 1-4, in some examples, the first transmission assembly 22 may optionally include a first transmission mechanism 221, a second transmission mechanism 222, and two first moving members 223 that are sequentially connected in a transmission manner, where the two first moving members 223 are configured to be able to approach or separate from each other on the second transmission mechanism 222 along the first direction X, and the two supporting members 41 are connected to the two first moving members 223 one by one.

The first transmission mechanism 221 is connected with the first driving piece 21, and the power of the first driving piece 21 is transmitted to the first moving piece 223 through the first transmission mechanism 221 and the second transmission mechanism 222, so that the linear motion of the two first moving pieces 223 is realized, and the two first moving pieces 223 respectively drive the supporting pieces 41 connected with the two first moving pieces 223 to move, so that the two picking pieces 42 and the other two picking pieces 42 are mutually close to or far from each other in the first direction X.

In some examples, the first transmission 221 is optionally a belt transmission for transmitting the rotational movement of the first drive member 21 to the second transmission 222.

The belt driving mechanism drives the second driving mechanism 222 to act, so that the driving is stable, the vibration and noise in the first driving assembly 22 can be reduced, and a more comfortable and quiet working environment is provided.

The belt transmission mechanism may include a first pulley 2211, a second pulley 2212, and a transmission belt 2213, the first pulley 2211 is connected with an output shaft of the first driving member 21, the second pulley 2212 is connected with the second transmission mechanism 222, and the transmission belt 2213 is sleeved on the first pulley 2211 and the second pulley 2212.

In this case, the first driving element 21 of the present embodiment may be a driving structure capable of outputting torque, such as a motor or an engine, and the second transmission mechanism 222 of the present embodiment may be a structure capable of converting rotational motion into linear motion of the two first moving elements 223.

Of course, the structure of the first transmission mechanism 221 of the present embodiment is not limited to the belt transmission mechanism, and may be a structure capable of transmitting torque such as a gear transmission.

In some examples, optionally, the second transmission mechanism 222 includes a first screw rod 2221 and two first shaft seats 2222, the two first shaft seats 2222 are mounted on the mounting frame 10 at intervals along the first direction X, the first screw rod 2221 is rotatably connected to the two first shaft seats 2222, the first moving member 223 includes a first nut 2231 connected to the first screw rod 2221, and the supporting member 41 is connected to the first nut 2231.

The first screw 2221 and the two first nuts 2231 form a bi-directional screw, and an embodiment of the bi-directional screw may be such that a thread of one section of the first screw 2221 is opposite to a thread of the other section, one of the two first nuts 2231 is coupled to one section of the first screw 2221, and the other of the two first nuts 2231 is coupled to the other section of the first screw 2221.

Under the rotation of the output shaft of the first driving member 21, the belt transmission mechanism drives the first screw rod 2221 to rotate, and further drives the two first nuts 2231 to linearly and reversely move along the first direction X, so that the rotary motion is converted into the linear motion, the transmission efficiency is high, the moving stroke of the first nuts 2231 can be accurately controlled, and the distance between the two supporting members 41 can be accurately controlled.

In some examples, the second transmission mechanism 222 further includes a first guide rod 2223, and the support member 41 is provided with a first guide hole 415, where the first guide rod 2223 passes through the first guide hole 415 and is connected to two first shaft seats 2222 respectively.

The number of the first guide rods 2223 may be one or more, for example, two in the illustration, two first guide holes 415 are located at two sides of the first nut 2231, the two first guide rods 2223 are in one-to-one corresponding plug-in fit with the two first guide holes 415, and two ends of the first guide rods 2223 are respectively and fixedly connected to the two first shaft seats 2222.

The present embodiment is capable of guiding the movement of the first nut 2231 and the support 41 and restricting the rotation of the support 41 and the first nut 2231 by connecting the support 41 with the first guide bar 2223.

Of course, the structure of guiding the support 41 in a linear motion and restricting the rotation of the support 41 and the first nut 2231 is not limited to the first guide bar 2223, and for example, the support 41 may be directly slidably connected to the first mount 13 or the second mount 15, and the first support 41 may slide on the first mount 13 or the second mount 15 (such an embodiment is not shown in the drawings), which is not excessively described in this embodiment.

As shown in fig. 1 and 6, in some examples, the second transmission assembly 32 may optionally include a third transmission mechanism 321 and a lifting rod 322 that are connected, where the third transmission mechanism 321 is in transmission connection with the second driving member 31 and configured to drive the lifting rod 322 to lift in the third direction Z, and the two third transmission assemblies 33 are respectively connected to two ends of the lifting rod 322 and can slide along the lifting rod 322 in the first direction X; the third direction Z is the arrangement direction of the first side 11 and the second side 12.

The third transmission mechanism 321 of the present embodiment may be a structure that converts the rotation motion into the linear motion, at this time, the second driving member 31 of the present embodiment is similar to or the same as the first driving member 21, and the second driving member 31 may be a motor or an engine, etc., where the third transmission mechanism 321 converts the rotation motion of the output shaft of the second driving member 31 into the linear motion, and then drives the lifting rod 322 to lift along the third direction Z, drives the two third transmission assemblies 33 to lift, and drives the two pick-up members 42 located on the same supporting member 41 to reversely move along the second direction Y by using the transmission assemblies, so as to implement the adjustment of the distance between the two pick-up members 42 on the same supporting member 41.

In some examples, optionally, the third transmission mechanism 321 includes a second screw rod 3211, a second nut 3212, and two second shaft seats 3213, where the two second shaft seats 3213 are mounted on the mounting frame 10 in a spaced arrangement along the third direction Z, the second screw rod 3211 is rotatably connected to the two second shaft seats 3213, the second nut 3212 is screwed to the second screw rod 3211, and the lifting rod 322 is connected to the second nut 3212.

Similar to the second transmission mechanism 222 described above, the third transmission mechanism 321 of the present embodiment is also a screw structure, but is a unidirectional screw, not a bidirectional screw. The second screw rod 3211 is connected to the second driving member 31 through a coupling 3217.

The second shaft seat 3213 of the present embodiment may be connected to the first mounting member 13, the second shaft seat 3213 may be suspended or connected to the second mounting member 15, the two second shaft seats 3213 are arranged at intervals along the third direction Z, the second screw rod 3211 is rotatably connected between the two second shaft seats 3213 through a bearing or the like, and the second nut 3212 is screwed to the second screw rod 3211 and is also located between the two second shaft seats 3213.

In the embodiment, the second screw rod 3211 rotates to drive the second nut 3212 to linearly move, so that the rotary motion is converted into the linear motion, the transmission efficiency is high, and the moving stroke of the lifting rod 322 can be accurately controlled.

In some examples, optionally, the third transmission mechanism 321 further includes a second guide rod 3214, a connecting plate 3215, and a bushing 3216, where the second guide rod 3214 is connected to the two second shaft seats 3213, the connecting plate 3215 is connected to the second nut 3212, and a bushing 3216 is connected to the connecting plate, and the bushing 3216 is slidably disposed on the second guide rod 3214.

The second guide bar 3214 functions similarly to the first guide bar 2223 described above, and also serves to guide the movement of the second nut 3212 and the lifting bar 322 and to reduce the possibility of the lifting bar 322 and the second nut 3212 rotating.

It should be noted that, the first transmission mechanism 221 and the third transmission mechanism 321 in this embodiment are implemented by a screw rod structure to convert the rotary motion into the linear motion, but other structures having similar functions are also within the optional range of the third transmission mechanism 321 in this embodiment, such as a worm transmission structure, a crank block, a rack and pinion, and the like, which are not listed in this embodiment.

As shown in connection with fig. 7, in some examples, the third transmission assembly 33 optionally includes a fourth transmission 331 and two second motions 332; the fourth transmission mechanism 331 is connected to the lifting rod 322, and the fourth transmission mechanism 331 includes a first guide portion 3311 and a second guide portion 3312 arranged at intervals along a second direction Y, the first guide portion 3311 extends along a fourth direction W, the second guide portion 3312 extends along a fifth direction V, the fourth direction W intersects the first direction X, the second direction Y and the third direction Z, respectively, and the fifth direction V and the fourth direction W are symmetrical in the second direction Y; one of the two second moving members 332 is slidably coupled to the first guide portion 3311 and coupled to one of the pickup members 42, and the other of the two second moving members 332 is slidably coupled to the second guide portion 3312 and coupled to the other of the pickup members 42.

In practical application of the cushion transfer device 100, the fourth direction W and the fifth direction V of the present embodiment may be inclined directions forming an angle with both the horizontal direction and the vertical direction, and the angle may be in the range of 10 ° to 80 °.

When the fourth transmission mechanism 331 of the present embodiment is lifted, the second moving member 332 and the picking member 42 cannot be lifted along with the same, so the second moving member can only move along the second direction Y under the guidance of the first guiding portion 3311 and the second guiding portion 3312, thereby realizing the position adjustment of the two picking members 42 along the second direction Y.

In some examples, optionally, the first guide portion 3311 includes a first slide hole 33111 and/or the second guide portion 3312 includes a second slide hole 33121.

The first guide portion 3311 of the embodiment includes a first slide hole 33111, and the length direction of the first slide hole 33111 extends along a fourth direction W, and one of the second moving members 332 of the same third transmission assembly 33 is slidably connected to the first slide hole 33111 and is capable of moving relative to the fourth transmission mechanism 331 along the fourth direction W in the first slide hole 33111.

Similarly, the second guiding portion 3312 of the embodiment includes a second sliding hole 33121, and the second sliding hole 33121 extends along the fifth direction V, and the other second moving member 332 of the same third transmission assembly 33 is slidably connected to the second sliding hole 33121 and is capable of moving relatively to the fourth transmission mechanism 331 along the fifth direction V in the second hole.

The sliding connection with the second moving member 332 is achieved through the first slide hole 33111 and the second slide hole 33121, and the sliding connection device is simple in structure, low in processing cost and easy to assemble.

Of course, the first guide portion 3311 of the embodiment may also be a sliding groove or a sliding rail structure, and the second guide portion 3312 may also be a groove or a sliding rail (such an embodiment is not shown in the drawings).

In some examples, the second mover 332 may optionally include a roller 3321, the roller 3321 being axially rotatably mounted to the support 41 about itself.

The roller 3321 can roll in the first sliding hole 33111 or the second sliding hole 33121 in the axial direction of the roller 3321, and the original sliding friction is changed into rolling friction, so that the abrasion of the second moving member 332, the first guide portion 3311 and the second guide portion 3312 is reduced.

As shown in fig. 1, 7 and 9, two supporting members 41 are located between two fourth transmission mechanisms 331, and the fourth transmission mechanisms 331 are configured to slidably connect with adjacent supporting members 41 along the third direction Z.

By slidably connecting the support 41 to the fourth transmission 331, stability of the fourth transmission 331 during lifting in the third direction Z can be improved.

In some examples, optionally, the support 41 includes a first surface 411 and a second surface 412 opposite in the first direction X, the first surface 411 being configured to face the other support 41 and being connected to the pick-up member 42, the second surface 412 being configured with a first sliding connection 413, and the fourth transmission 331 being configured with a second sliding connection 3313, the first sliding connection 413 and the second sliding connection 3313 being slidably connected.

The first sliding connection portion 413 may be one of a slide rail and a slider, and the second sliding connection portion 3313 may be the other of a slide rail or a slider, through which the fourth transmission mechanism 331 slides on the support 41.

Referring again to fig. 7, in some examples, optionally, the fourth transmission mechanism 331 includes a first transmission member 3314, a first connection member 3315, and a second transmission member 3316, where the first transmission member 3314 and the second transmission member 3316 are arranged at intervals along the first direction X and connected by the first connection member 3315, the first transmission member 3314 is provided with a first guide portion 3311 and a second guide portion 3312, the second transmission member 3316 is provided with a second sliding connection portion 3313, and the supporting member 41 and the pickup member 42 are located between the first transmission member 3314 and the second transmission member 3316.

The first transmission member 3314 and the second transmission member 3316 may be plate-shaped members, the length direction of the first transmission member 3314 extends along the second direction Y, the length direction of the second transmission member 3316 extends along the first direction Y, the second transmission member 3316 is provided with a sliding sleeve 33161, the sliding sleeve 33161 is slidably connected with one end of the lifting rod 322 in the first direction X, and the third sliding Kong Jie inside the sliding sleeve 33161 is in a waist shape or approximately a rectangle shape, so as to reduce the possibility of relative rotation between the lifting rod 322 and the second transmission member 3316.

The first connecting member 3315 is similar to a U shape, and has a first connecting arm 33151 and two second connecting arms 33152 located at both ends of the first connecting arm 33151, the first connecting arm 33151 is connected to the lower end of the second transmitting member 3316, the two second connecting arms 33152 are respectively connected to opposite ends of the first transmitting member 3314 in the second direction Y, the first transmitting member 3314, the first connecting member 3315 and the second transmitting member 3316 are receiving holes for the pickup assembly 40, the supporting member 41 is disposed in the receiving holes, and the pickup assembly 40 on one side of the supporting member 41 in the first direction X is connected to the first transmitting member 3314, and the other side of the supporting member 41 in the first direction X is slidably connected to the second transmitting member 3316, so that the space utilization of the fourth transmitting member 331 can be improved, the volume of the apparatus can be reduced, and the stability of the fourth transmitting member 331 during movement can be improved by the supporting member 41.

As shown in fig. 8 and 9, in some examples, optionally, the first surface 411 of the supporting member 41 of the present embodiment is provided with a third sliding connection portion 414, and the two picking members 42 are slidably connected to the third sliding connection portion 414 along the second direction Y, and the third sliding connection portion 414 may be a sliding rail.

In some examples, alternatively, the pickup member 42 of the present embodiment may include a second connection member 421 and a negative pressure suction nozzle 422, the second connection member 421 having an upper end slidably connected to the first slide rail and a lower end for mounting and supporting the negative pressure suction nozzle 422.

Based on the cushion transfer device 100 described above, an embodiment of the present application provides a cushion mounting apparatus for mounting a cushion 200 to a battery cell, the cushion mounting apparatus including the cushion transfer device 100 of the above-described technical scheme. The cushion mounting apparatus may further include a glue applying device (not shown) for applying glue to the surface of the battery cell to adhere the cushion 200.

In addition, the embodiment of the application also provides a battery production system which comprises the cushion mounting device according to the technical scheme.

Finally, referring to fig. 1-9, an embodiment of the present application provides a cushion transfer device 100, including a mounting frame 10, a first driving unit 20, a second driving unit 30, and two pickup assemblies 40, wherein the mounting frame 10 has a first side 11 and a second side 12 opposite to each other; the first driving unit 20 is connected to the mounting frame 10 and comprises a first driving member 21 and a first transmission assembly 22 in transmission connection; the second driving unit 30 is connected to the mounting frame 10, and comprises a second driving member 31, a second transmission assembly 32 and two third transmission assemblies 33 which are sequentially connected in a transmission manner, wherein the two third transmission assemblies 33 are respectively positioned at two sides of the second transmission assembly 32 along a first direction X, and the first direction X intersects the arrangement direction of the first side 11 and the second side 12; each picking assembly 40 comprises a support 41 and two picking members 42 slidably connected to the support 41 along a second direction Y, the two support members 41 being respectively connected to the first transmission assembly 22 and being moved towards or away from each other along a first direction X by the first transmission assembly 22, the two picking members 42 of one picking assembly 40 being connected to one of the third transmission assemblies 33, the two picking members 42 of the other picking assembly 40 being connected to the other third transmission assembly 33, the third transmission assembly 33 being configured to be able to move the two picking members 42 towards or away from each other along a second direction Y, the second direction Y intersecting the first direction X, and intersects the direction of alignment of the first side 11 and the second side 12. The first transmission assembly 22 includes a first transmission mechanism 221, a second transmission mechanism 222 and two first moving members 223 which are sequentially connected in a transmission manner, the two first moving members 223 are configured to be capable of approaching to or separating from each other on the second transmission mechanism 222 along the first direction X, and the two supporting members 41 are connected to the two first moving members 223 one by one. The first transmission mechanism 221 comprises a first belt pulley 2211, a second belt pulley 2212 and a transmission belt 2213, the first belt pulley 2211 is in transmission connection with the first driving piece 21, the second belt pulley 2212 is in transmission connection with the second transmission mechanism 222, and the transmission belt 2213 is sleeved on the first belt pulley 2211 and the second belt pulley 2212. The second transmission mechanism 222 includes a first screw rod 2221 and two first shaft seats 2222, the two first shaft seats 2222 are arranged and mounted on the mounting frame 10 at intervals along the first direction X, the first screw rod 2221 is rotatably connected to the two first shaft seats 2222, the first moving member 223 includes a first nut 2231 connected to the first screw rod 2221, and the supporting member 41 is connected to the first nut 2231. The second transmission mechanism 222 further includes a first guide rod 2223, the support 41 is provided with a first guide hole 415, and the first guide rod 2223 passes through the first guide hole 415 and is connected to the two first shaft seats 2222 respectively. The second transmission assembly 32 comprises a third transmission mechanism 321 and a lifting rod 322 which are connected, the third transmission mechanism 321 is in transmission connection with the second driving piece 31 and is configured to drive the lifting rod 322 to lift along a third direction Z, and the two third transmission assemblies 33 are respectively connected with two ends of the lifting rod 322 and can slide along the lifting rod 322 in a first direction X; the third direction Z is the arrangement direction of the first side 11 and the second side 12. The third transmission mechanism 321 comprises a second screw rod 3211, a second nut 3212 and two second shaft seats 3213, the two second shaft seats 3213 are arranged on the mounting frame 10 at intervals along the third direction Z, the second screw rod 3211 is rotatably connected to the two second shaft seats 3213, the second nut 3212 is connected to the second screw rod 3211 in a threaded manner, and the lifting rod 322 is connected with the second nut 3212. The third transmission mechanism 321 further comprises a second guide rod 3214, a connecting plate 3215 and a bushing 3216, the second guide rod 3214 is respectively connected with the two second shaft seats 3213, the connecting plate 3215 is connected with the second nut 3212 and is connected with the bushing 3216, and the bushing 3216 is sleeved on the second guide rod 3214. The third transmission assembly 33 comprises a fourth transmission mechanism 331 and two second moving members 332; the fourth transmission mechanism 331 is connected to the lifting rod 322, and the fourth transmission mechanism 331 includes a first guide portion 3311 and a second guide portion 3312 arranged at intervals along a second direction Y, the first guide portion 3311 extends along a fourth direction W, the second guide portion 3312 extends along a fifth direction V, the fourth direction W intersects the first direction X, the second direction Y and the third direction Z, respectively, and the fifth direction V and the fourth direction W are symmetrical in the second direction Y; one of the two second moving members 332 is slidably coupled to the first guide portion 3311 and coupled to one of the pickup members 42, and the other of the two second moving members 332 is slidably coupled to the second guide portion 3312 and coupled to the other of the pickup members 42. The first guide portion 3311 includes a first slide hole 33111 and/or the second guide portion 3312 includes a second slide hole 33121. The second moving member 332 includes a roller 3321, and the roller 3321 is axially rotatably mounted to the supporting member 41. The two supports 41 are located between two fourth transmission mechanisms 331, the fourth transmission mechanisms 331 being configured to be slidably connected with adjacent supports 41 in the third direction Z. The support 41 comprises a first surface 411 and a second surface 412 facing away from each other in the first direction X, the first surface 411 being adapted to be arranged facing the other support 41 and being connected with the pick-up 42, the second surface 412 being provided with a first sliding connection 413, and the fourth transmission 331 being provided with a second sliding connection 3313, the first sliding connection 413 being in sliding connection with the second sliding connection 3313. The fourth transmission mechanism 331 includes a first transmission member 3314, a first connection member 3315, and a second transmission member 3316, the first transmission member 3314 and the second transmission member 3316 are arranged at intervals along the first direction X and connected by the first connection member 3315, the first transmission member 3314 is provided with a first guide portion 3311 and a second guide portion 3312, the second transmission member 3316 is provided with a second slide connection portion 3313, and the supporting member 41 and the pickup member 42 are located between the first transmission member 3314 and the second transmission member 3316.

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

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting; 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 solutions described in the foregoing embodiments may be modified or some technical features may be replaced with others, which may not depart from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims (16)

1. A cushion transfer device, comprising:

a mounting bracket having first and second opposite sides;

The first driving unit is connected to the mounting frame and comprises a first driving piece and a first transmission assembly which are in transmission connection;

The second driving unit is connected to the mounting frame and comprises a second driving piece, a second transmission assembly and two third transmission assemblies which are sequentially connected in a transmission way, the two third transmission assemblies are respectively positioned at two sides of the second transmission assembly along a first direction, and the first direction intersects with the arrangement direction of the first side and the second side; and

The two picking assemblies comprise supporting pieces and two picking pieces which are connected to the supporting pieces in a sliding mode along a second direction, the two supporting pieces are connected with the first transmission assembly respectively and can be mutually close to or far away from each other along the first direction under the driving of the first transmission assembly, the two picking pieces of one picking assembly are connected with one third transmission assembly, the two picking pieces of the other picking assembly are connected with the other third transmission assembly, and the third transmission assembly is configured to be capable of driving the two picking pieces connected with the third transmission assembly to mutually close to or far away along the second direction, and the second direction is intersected with the first direction and is intersected with the arrangement direction of the first side and the second side.

2. The cushion transfer device of claim 1, wherein the first transmission assembly comprises a first transmission mechanism, a second transmission mechanism and two first moving members in sequential transmission connection, the first driving member is connected with the first transmission mechanism, the two first moving members are configured to be capable of approaching or moving away from each other on the second transmission mechanism along the first direction, and the two supporting members are connected with the two first moving members one by one.

3. The cushion transfer device of claim 2, wherein the first drive mechanism comprises a first pulley, a second pulley, and a drive belt, the first pulley is drivingly connected to the first drive member, the second pulley is drivingly connected to the second drive mechanism, and the drive belt is sleeved on the first pulley and the second pulley.

4. The cushion transfer device of claim 2, wherein the second transmission mechanism comprises a first screw rod and two first shaft seats, the first screw rod is in transmission connection with the first transmission mechanism, the two first shaft seats are arranged on the mounting frame at intervals along the first direction, the first screw rod is rotatably connected to the two first shaft seats, the first movement member comprises a first nut connected to the first screw rod, and the support member is connected to the first nut.

5. The cushion transfer device of claim 4, wherein the second transmission mechanism further comprises a first guide rod, the support member is provided with a first guide hole, and the support member is slidably disposed on the first guide rod through the first guide hole and is respectively connected with the two first shaft seats.

6. The cushion transfer device of any one of claims 1-5, wherein the second transmission assembly comprises a third transmission mechanism and a lifting rod which are connected, the third transmission mechanism is in transmission connection with the second driving piece and is configured to drive the lifting rod to lift along a third direction, and two third transmission assemblies are respectively connected with two ends of the lifting rod and can slide along the lifting rod in the first direction; the third direction is an arrangement direction of the first side and the second side.

7. The cushion transfer device of claim 6, wherein the third transmission mechanism comprises a second screw rod, a second nut and two second shaft seats, the second screw rod is in transmission connection with the second driving piece, the two second shaft seats are arranged in the mounting frame at intervals along the third direction, the second screw rod is rotatably connected to the two second shaft seats, the second nut is in threaded connection with the second screw rod, and the lifting rod is connected with the second nut.

8. The cushion transfer device of claim 7, wherein the third transmission mechanism further comprises a second guide rod, a connecting plate and a bushing, the second guide rod is respectively connected with the two second shaft seats, the connecting plate is connected with the second nut, the bushing is connected with the connecting plate, and the bushing is slidably arranged on the second guide rod.

9. The cushion transfer device of claim 6, wherein the third drive assembly comprises a fourth drive mechanism and two second motions;

The fourth transmission mechanism is connected with the lifting rod, the fourth transmission mechanism comprises a first guide part and a second guide part which are arranged at intervals along a second direction, the first guide part extends along a fourth direction, the second guide part extends along a fifth direction, the fourth direction is intersected with the first direction, the second direction and the third direction respectively, and the fifth direction and the fourth direction are symmetrical in the second direction;

one of the two second moving parts is connected with the first guiding part in a sliding way and is connected with one of the picking parts, and the other of the two second moving parts is connected with the second guiding part in a sliding way and is connected with the other picking part.

10. The cushion transfer device of claim 9, wherein the first guide portion comprises a first slide aperture and/or the second guide portion comprises a second slide aperture.

11. The cushion transfer device of claim 9, wherein the second motion member comprises a roller mounted to the support member so as to be axially rotatable about itself.

12. The cushion transfer device of claim 9, wherein both of the supports are located between two of the fourth drive mechanisms configured to slidingly couple with adjacent ones of the supports along the third direction.

13. The cushion transfer device of claim 12, wherein the support member comprises a first surface and a second surface opposite in the first direction, the first surface being adapted to be disposed facing the other support member and being connected to the pick-up member, the second surface being provided with a first sliding connection and the fourth transmission being provided with a second sliding connection, the first sliding connection and the second sliding connection being slidingly connected.

14. The cushion transfer device of claim 13, wherein the fourth transmission mechanism comprises a first transmission member, a first connector, and a second transmission member, the first transmission member and the second transmission member being arranged at intervals along the first direction and connected by the first connector, the first transmission member being provided with the first guide portion and the second guide portion, the second transmission member being provided with the second sliding connection portion, the support member and the pick-up member being located between the first transmission member and the second transmission member.

15. A cushion mounting apparatus for mounting a cushion to a battery cell, comprising the cushion transfer device of any one of claims 1-14.

16. A battery production system comprising the cushion mounting apparatus of claim 15.