CN117039105A

CN117039105A - Method and device for inserting cylindrical battery cell into shell

Info

Publication number: CN117039105A
Application number: CN202311125847.8A
Authority: CN
Inventors: 王国高; 王英浩; 陈道园
Original assignee: Zhejiang Yunfan New Energy Technology Co ltd
Current assignee: Zhejiang Yunfan New Energy Technology Co ltd
Priority date: 2023-09-01
Filing date: 2023-09-01
Publication date: 2023-11-10

Abstract

The invention discloses a cylindrical battery cell shell entering method and device, which belong to the field of battery manufacturing equipment, wherein a bearing part is arranged at the periphery of a rotating mechanism and is used for vertically bearing a cell and a battery shell from top to bottom, and a driving mechanism is used for driving the cell and the battery shell to axially move in opposite directions so that the cell enters an inner cavity of the battery shell to form a battery blank; the bearing part for bearing the battery cell radially expands in the axial movement process of the battery cell, and the end cover welded on the battery cell can pass through without interference; the battery core feeding mechanism and the rotating mechanism bearing part are used for delivering the battery core in a connecting mode, the battery shell feeding mechanism and the rotating mechanism bearing part are used for delivering the battery shell in a connecting mode, the battery discharging mechanism and the rotating mechanism bearing part are used for delivering the battery blank in a connecting mode, and the working stations of feeding, shell feeding and discharging are sequentially transposed through rotation of the rotating mechanism. The full-automatic shell feeding manufacturing method can be suitable for full-automatic shell feeding manufacturing of the special-shaped battery cell, and the battery cell cannot be separated in the conveying process after being fed into the shell.

Description

Method and device for inserting cylindrical battery cell into shell

Technical Field

The invention belongs to the technical field of cylindrical battery manufacturing equipment, and particularly relates to a cylindrical battery cell shell-entering method and device.

Background

The cylindrical battery comprises a cylindrical shell and a cylindrical battery core accommodated in the inner cavity of the shell, wherein the manufacturing process is to manufacture the shell and the battery core respectively, and then insert the battery core into the inner cavity of the shell for packaging. The current battery core shell-in process of the cylindrical battery generally adopts two modes of transverse shell-in and vertical shell-in. According to the transverse shell-entering method, the battery core is clamped in a transversely overhanging way in the axial direction, so that collision damage of the battery core and the shell is easy to occur. In the existing vertical (vertical) shell-entering mode, a process mode that the shell is vertically pushed into the shell from bottom to top by adopting a mode that the shell is arranged at the upper part and the lower part of the battery cell, the opening of the shell is downward, and then the shell is turned 180 degrees is adopted, so that the action is complex, and the battery cell is easy to separate from the battery shell in the turning process. For the special-shaped structure situation that the top end of the battery cell is welded with the end cover with the diameter larger than that of the battery cell, the end cover can interfere a mechanism for pushing and jacking the battery cell, and the shell entering process of the battery cell cannot be realized, so that the existing battery cell vertical shell entering manufacturing equipment cannot adapt to automatic shell entering manufacturing of the battery cell with the special-shaped structure, such as the end cover, welded on the current collector.

Disclosure of Invention

The invention aims to overcome the defects that the battery cell is easy to separate from the battery shell and the battery cell cannot adapt to the automatic shell-in manufacturing of the special-shaped battery cell in the existing vertical shell-in manufacturing equipment of the cylindrical battery cell, and provides a vertical shell-in method and device for the cylindrical battery cell, which are stable in operation, can be used for manufacturing the conventional battery cell shell-in and adapt to the automatic shell-in manufacturing of the special-shaped battery cell.

For this purpose, the invention adopts the following technical scheme: a method for inserting a cylindrical battery cell into a shell is characterized by comprising the following steps: the periphery of a rotating mechanism is provided with a bearing part for vertically bearing the battery cell and the battery shell, the battery cell and/or the battery shell relatively axially move on the bearing part, the battery cell is positioned above the battery shell, and the driving mechanism is used for driving the battery cell and the battery shell to axially oppositely move, so that the battery cell enters the inner cavity of the battery shell to form a battery blank; the bearing part for bearing the battery cell radially expands in the axial movement process of the battery cell, and the end cover welded on the battery cell can pass through without interference; the battery cell feeding mechanism and the rotating mechanism bearing part are used for delivering the battery cell in a connecting way to realize the feeding of the battery cell, the battery shell feeding mechanism and the rotating mechanism bearing part are used for delivering the battery shell in a connecting way to realize the feeding of the battery shell, the battery discharging mechanism and the rotating mechanism bearing part are used for delivering the battery blank in a connecting way to realize the discharging of the battery, and the rotating mechanism rotates to realize the sequential transposition of stations of each working procedure of feeding, shell feeding and discharging.

As a supplement and improvement to the above method, the method of the invention further comprises the following technical features:

and carrying and conveying the battery cells by using a battery cell carrier, wherein the battery cells enter the shell-entering turret mechanism after the battery cells are separated from the battery cell carrier, and the battery cell carrier is recycled in the battery cell feeding mechanism.

And carrying and conveying the battery shell by using a battery shell carrier, wherein the battery shell carrier enters the shell entering turret mechanism along with the battery shell and carries a battery blank to enter the battery discharging mechanism.

The cylindrical battery cell shell entering device comprises a cell feeding mechanism, a shell entering turret mechanism, a battery shell feeding mechanism, a battery discharging mechanism and a rotary driving mechanism, wherein the shell entering turret mechanism and the rotary driving mechanism are in transmission connection and driven to rotate by the rotary driving mechanism, a cell bearing mechanism for keeping a cell in a vertical state and a shell entering driving mechanism for driving the cell and the battery shell to move axially relatively are arranged on the periphery of the shell entering turret mechanism, the cell bearing mechanism is positioned below the cell bearing mechanism and keeps a cell shell in a vertical state, and the positions of the cell bearing mechanism and the cell shell bearing mechanism meet the requirement of enabling the cell to be vertically inserted into an inner cavity of the battery shell; the battery cell feeding mechanism and the battery cell bearing mechanism rotate through the shell-entering turret mechanism to form a battery cell exchange connection relationship, and the battery cell feeding mechanism is used for conveying the battery cells to the battery cell bearing mechanism of the shell-entering turret mechanism in a vertical state; the battery shell feeding mechanism and the battery shell bearing mechanism rotate through the shell entering turret mechanism to form a battery shell exchange connection relationship, and the battery shell feeding mechanism is used for conveying the battery shell to the battery shell bearing mechanism of the shell entering turret mechanism in a vertical state, and the battery shell entering turret mechanism drives the battery cell and the battery shell to axially move relatively through the shell entering driving mechanism so that the battery cell is inserted into the inner cavity of the battery shell; the battery discharging mechanism and the battery shell bearing mechanism rotate through the shell entering turret mechanism to form a battery exchanging connection relationship, and the battery exchanging connection relationship is used for conveying the battery shell with the battery core into the battery discharging mechanism through the shell entering turret mechanism.

The device of the invention also comprises the following technical characteristics as supplement and improvement of the technical scheme of the device.

The shell-entering turret mechanism further comprises a turret and a first rotating shaft, the turret is supported and installed by the first rotating shaft, the first rotating shaft is supported and installed by a bearing, the first rotating shaft is in transmission connection with the rotary driving mechanism and is driven by the rotary driving mechanism to rotate, and the battery cell bearing mechanism and the battery shell bearing mechanism are arranged on the periphery of the turret.

The rotary driving mechanism is driven by a centralized motor and comprises a motor and a gear reduction mechanism, the motor is connected with an input shaft of the gear reduction mechanism, an output gear is arranged on an output shaft of the gear reduction mechanism, a first transmission gear is arranged on a first rotating shaft, and the first transmission gear is meshed with the output gear.

The shell entering turret mechanism further comprises a shell entering guide piece, the shell entering guide piece is arranged between the battery cell bearing mechanism and the battery shell bearing mechanism, the shell entering guide piece is provided with a guide hole, the guide hole is a stepped hole, the diameter of the upper section of the guide hole is equal to the outer diameter of the battery cell, the diameter of the lower section of the guide hole is equal to the outer diameter of the battery shell, when the battery cell is in the shell, the top end of the battery shell is inserted into the lower section of the guide hole, and the bottom end of the battery cell is inserted into the upper section of the guide hole and is inserted into the inner cavity of the battery shell under the guide of the guide hole.

The battery cell bearing mechanism comprises a U-shaped seat, wherein the U-shaped seat is provided with a U-shaped groove cavity for accommodating the battery cell, the U-shaped seat is provided with an air suction hole, one end orifice of the air suction hole is positioned on the cavity wall of the U-shaped groove cavity, the other end of the air suction hole is connected with an air suction fan through a pipeline, and the battery cell is held by negative pressure adsorption of the air suction hole.

Further, the U-shaped seat comprises two groove blocks which are movably butted through vertical faces, the vertical faces divide the U-shaped groove cavity into two parts, the air suction holes are formed in each groove block, the groove blocks are supported and installed by the transverse moving guide mechanism, the transverse moving guide mechanism is installed on the outer peripheral surface of the turret, the two groove blocks are driven to move by the transverse moving driving mechanism to realize separation and closing, the radial size of the U-shaped groove cavity can be enlarged, and the end covers welded on the battery cells do not interfere.

Furthermore, the shell-entering guide piece is formed by splicing two guide blocks provided with semi-cylindrical cavities, the guide blocks are supported and installed by the transverse moving guide mechanism, the two guide blocks can be separated and closed, the radial size of the guide hole can be enlarged, and the guide piece is used for enabling an end cover welded on the battery cell to pass through without interference.

Further, the transverse movement guiding mechanism comprises a guide rail and two transverse sliding blocks matched with the guide rail.

The battery shell bearing mechanism comprises a plurality of vertical grooves formed in the outer peripheral surface of the turret and a surrounding baffle arranged on the outer peripheral surface of the turret, the surrounding baffle is fixed in position, the outer peripheral surface of the turret is in clearance fit with the surrounding baffle, a battery shell accommodating cavity is formed by the groove walls of the vertical grooves and the surrounding baffle, a battery shell feeding hole and a battery discharging hole are formed in the surrounding baffle, and the battery shell feeding mechanism and the battery discharging mechanism correspond to each other respectively.

Further, the magnets are embedded on the walls of the vertical grooves, so that the battery case can be stably accommodated in the battery case accommodating cavity.

The shell feeding driving mechanism comprises a battery cell pushing mechanism, a battery shell pushing mechanism and a pushing movement guiding mechanism, wherein the battery cell pushing mechanism and the battery shell pushing mechanism comprise an upper cam assembly, a lower cam assembly, a pushing piece, a lifting sliding block and a reset spring, the upper cam assembly and the lower cam assembly comprise an end face cam and a follower wheel matched with the end face cam, the two end face cams are fixedly arranged above and below the turret, the pushing piece is arranged on the lifting sliding block, the pushing movement guiding mechanism is supported by the turret to move along with the turret, the lifting sliding block is supported by the pushing movement guiding mechanism to be installed and move to be guided, the pushing piece corresponds to the battery cell bearing mechanism and the battery shell bearing mechanism in position, the battery cell bearing mechanism is pushed by the pushing movement, the battery shell bearing mechanism is contained in the battery cell bearing mechanism, the follower wheel is fixedly connected onto the lifting sliding block, the follower wheel is arranged on the follower wheel mounting piece, one end of the reset spring is connected with the lifting sliding block, the other end of the reset sliding block is relatively fixed with the turret, and the follower wheel is contacted with the lifting sliding block through the follower wheel mounting piece and the lifting sliding block driving cam to move along with the reset surface. The turret rotates to enable the follower wheel to roll on the cam track surface, and the cam and the spring are matched to drive the lifting sliding block to lift, so that the pushing piece is driven to lift, and the battery cell and the battery shell are propped against relative movement to complete the battery cell to enter the shell.

Further, the pushing movement guiding mechanism comprises two guiding sliding rods and a sliding rod mounting seat, the sliding rod mounting seat is relatively fixed with the turret, the lifting sliding block is sleeved on the guiding sliding rods through the through holes, and the reset spring is sleeved on the guiding sliding rods.

Further, the lifting slide block of the battery cell pushing mechanism is provided with a mounting hole for mounting the pushing piece in a clearance fit mode, the pushing piece part above the lifting slide block is provided with a descending limit piece, the pushing piece part below the lifting slide block is provided with an ascending limit piece, a buffer spring is sleeved on the pushing piece between the ascending limit piece and the lifting slide block, and the buffer effect can be achieved after the pushing piece contacts with the battery cell, the battery shell and the battery cell and is in place.

The transverse movement driving mechanism comprises a driving block, driving wheels, connecting blocks and a closing reset spring, wherein the driving block is vertically and fixedly arranged on a lifting sliding block of the battery cell pushing mechanism, the lifting sliding block synchronously lifts along with the lifting sliding block, the lateral surfaces of the two sides of the driving block are used as track surfaces matched with the driving wheels, the connecting blocks are relatively fixed with the groove blocks, each groove block corresponds to one connecting block, the connecting blocks move together with the groove blocks, each connecting block is provided with one driving wheel through a shaft support, each end of the closing reset spring is relatively fixed with one groove block, and the two groove blocks are pulled to be closed and reset through spring force, so that the two driving wheels are contacted and matched with the track surfaces on the two sides of the driving block; the width of the lower section of the driving block is smaller than that of the upper section, so that the lateral track surface of the driving block is a step surface and comprises two vertical surfaces and an inclined surface connected between the two vertical surfaces. In the process that the driving block rapidly descends along with the lifting slide, the width of the driving block part of the supporting driving wheel is increased from small, the distance between the two driving wheels is increased by the supporting of the track surface, the two driving wheels are separated to two sides, the two groove blocks are driven to be separated to two sides through the connecting block, the closing reset spring is stretched to generate elasticity, in the process that the driving block ascends along with the lifting slide block, the width of the driving block part of the supporting driving wheel is greatly reduced, the closing reset spring drives the two groove blocks to be closed, and the driving wheels are driven to move in opposite directions through the connecting block to always abut against the track surface of the driving block.

The electric core feeding mechanism comprises an electric core conveying mechanism, the electric core conveying mechanism comprises a circulating conveying belt and an electric core feeding turntable mechanism, the electric core feeding turntable mechanism comprises an electric core feeding turntable, an electric core carrier feeding turntable, an arc baffle and a second rotating shaft, the arc baffle and the second rotating shaft are arranged on the periphery of the electric core feeding turntable in a surrounding mode, a stirring groove is formed in the peripheral face of the electric core feeding turntable and the peripheral face of the electric core carrier feeding turntable, the electric core feeding turntable and the electric core carrier feeding turntable are supported and installed through the second rotating shaft, the second rotating shaft is supported and installed through a bearing, the second rotating shaft is in transmission connection with the rotary driving mechanism, the electric core feeding turntable is driven to rotate through the rotary driving mechanism, and the electric core carrier carrying electric core is separated from the circulating conveying belt through the stirring groove in the rotating process, and the electric core feeding turntable mechanism carries and conveys the electric core in a bearing mode, and timing and quantitative conveying of the electric core is achieved.

The electric core feeding mechanism further comprises an electric core transferring mechanism, the electric core transferring mechanism comprises an electric core holding block and a third rotating shaft, the third rotating shaft is supported and installed by a bearing, a plurality of electric core holding blocks are circumferentially installed on the third rotating shaft through support supports, the third rotating shaft is in transmission connection with the rotary driving mechanism and driven to rotate by the rotary driving mechanism, the electric core holding block is provided with a U-shaped groove cavity for holding an electric core, an air suction hole is formed in the electric core holding block, one end orifice of the air suction hole is located on the cavity wall of the U-shaped groove, the other end of the air suction hole is connected with an air suction fan through a pipeline, the electric core is held through negative pressure suction of the air suction hole, the electric core holding block and the electric core bearing mechanism form an electric core exchange connection relationship, and the electric core held by the electric core holding block is connected with the electric core bearing mechanism. The electric core is transferred by the electric core transfer mechanism, and the electric core is transferred in a timing and quantitative correspondence with the shell-entering turret mechanism.

The battery cell feeding mechanism further comprises a battery cell carrier and a battery cell carrier separating mechanism, wherein a plurality of battery cell carriers are arranged on the circulating conveyor belt, and the upper end surface of each battery cell carrier is provided with a vertical battery cell jack for bearing a battery cell; the battery cell carrier separating mechanism is positioned between the inlet of the circulating conveyor belt and the battery cell feeding tray mechanism and comprises a fourth rotating shaft, a carrier separating turret mechanism and a battery cell carrier discharging turntable mechanism, wherein the carrier separating turret mechanism comprises a separating turret, a battery cell holding block, a carrier bearing piece and a carrier bearing piece lifting driving mechanism, the fourth rotating shaft is supported and installed by a bearing, the fourth rotating shaft is in transmission connection with the rotating driving mechanism and is driven to rotate by the rotating driving mechanism, the carrier separating turret is supported and installed by the fourth rotating shaft and is driven to rotate by the fourth rotating shaft, the battery cell holding block is fixedly installed on the periphery of the carrier separating turret, and the carrier bearing piece is connected with the carrier bearing piece lifting driving mechanism and moves and guides through a lifting guide mechanism; the electric core carrier discharging turntable mechanism comprises an electric core carrier discharging turntable, a fifth rotating shaft and an arc baffle plate which surrounds the periphery of the electric core carrier discharging turntable, a stirring groove is formed in the peripheral surface of the electric core carrier discharging turntable, the electric core carrier discharging turntable is supported and installed by the fifth rotating shaft, the fifth rotating shaft is supported and installed by a bearing and is in transmission connection with the rotary driving mechanism, the electric core carrier discharging turntable is positioned between a carrier separation turret and the inlet of the circulating conveyor belt, and electric core carriers on carrier carriers are conveyed to the inlet of the circulating conveyor belt in a stirring mode; the battery cell holding block is provided with a U-shaped groove cavity for holding the battery cell, the holding block is provided with an air suction hole, an orifice at one end of the air suction hole is positioned on the cavity wall of the U-shaped groove cavity, the other end of the air suction hole is connected with an air suction fan through a pipeline, and the battery cell is held by negative pressure absorption of the air suction hole. The battery core holding block of the battery core carrier separating mechanism receives the battery core carrier and the battery core inserted therein from the battery core feeding disc mechanism, the battery core holding block holds the battery core, the carrier bearing piece supports the battery core carrier, the carrier separating turret rotates to convey the battery core carrier and the battery core, the battery core carrier descends in the rotating process, the battery core is separated from the battery core carrier, the carrier separating turret rotates to the battery core holding block connecting position of the battery core carrier separating mechanism, the battery core is conveyed and delivered out, the battery core carrier continuously rotates along with the carrier separating turret and rises to the carrier connecting position, and the battery core carrier is conveyed to the circulating conveyor belt by the battery core carrier discharging turntable to enter the circulating use.

The carrier bearing part lifting driving mechanism comprises an end face cam, a follower and a spring, wherein the end face cam, the follower and the end face cam track surface are fixedly arranged, the follower is matched with the end face cam track surface, the carrier bearing part is connected with a follower mounting part, the follower is mounted on the follower mounting part, one end of the spring is connected with the carrier bearing part, one end of the spring is relatively fixed with a carrier separation turret, and the follower and the end face cam track surface are in contact and matched all the time through spring force.

The battery shell feeding mechanism comprises a battery shell feeding turntable, a sixth rotating shaft, a battery shell carrier feeding turntable and a battery shell conveying belt, the sixth rotating shaft is supported and installed by a bearing and is in transmission connection with the rotary driving mechanism and driven to rotate by the rotary driving mechanism, the battery shell feeding turntable and the battery shell carrier feeding turntable are installed on the sixth rotating shaft and correspond to a feeding port of the battery shell conveying belt and the battery shell feeding port, stirring grooves are formed in the peripheries of the battery shell feeding turntable and the battery shell carrier feeding turntable, and a battery shell located on the battery shell conveying belt feeding port is pulled away from the battery shell conveying belt along with the battery shell carrier and bears and conveys the battery shell and the battery shell carrier in the rotating process, so that the battery shell is conveyed at fixed time and fixed quantity.

The battery discharging mechanism comprises a discharging disc, a seventh rotating shaft and a battery conveying belt, the seventh rotating shaft is supported and installed by a bearing and is in transmission connection with the rotary driving mechanism and driven by the rotary driving mechanism to rotate, the discharging disc is supported and installed by the seventh rotating shaft and corresponds to a feeding hole of the battery conveying belt and the battery discharging hole, a stirring groove is formed in the periphery of the discharging disc, a battery blank, which is positioned on the shell-entering turret mechanism and is used for entering a shell, of a battery is conveyed onto the battery conveying belt together with a battery shell carrier through the stirring groove in the rotating process, the battery blank is conveyed out and recovered by the battery conveying belt, and the battery shell carrier continuously enters for recycling.

The rotary driving mechanism can be driven by scattered power, the first rotating shaft, the second rotating shaft, the third rotating shaft, the fourth rotating shaft, the fifth rotating shaft, the sixth rotating shaft and the seventh rotating shaft are respectively connected with a motor in a transmission way, and the rotation of each motor is controlled by the control system so as to achieve orderly matching of each mechanism.

The invention can achieve the following beneficial effects: the automatic vertical battery cell feeding from top to bottom is completed through the shell feeding turret mechanism, the opening of the battery shell is always upward in the process of conveying and shell feeding, the battery cell after shell feeding cannot be separated from the battery shell, and the operation is stable; the battery cell and the battery cell carrier are automatically separated, the battery cell is automatically conveyed and the battery cell carrier is recycled through the battery cell circulating conveying belt, the battery cell feeding turntable mechanism, the battery cell carrier separating mechanism, the battery cell transferring mechanism and the battery cell feeding turret mechanism, and the battery cell feeding mechanism and the battery discharging mechanism complete automatic conveying and battery cell feeding, automatic battery cell discharging and recycling of the battery cell carrier, so that full-automatic battery cell feeding is realized; the battery cell bearing piece and the battery shell bearing piece in the shell-entering turret mechanism are in a butt-spliced mode by using two U-shaped blocks supported and installed by the guide rail sliding blocks, and the radial expansion holding cavity can be used for enabling the end cover to pass through without interference, so that the battery cell shell-entering turret mechanism can be used for manufacturing conventional battery cells and can be suitable for manufacturing the battery cells with special-shaped structures automatically.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a partial schematic view of the turret mechanism for housing of the present invention.

Fig. 3 is a schematic structural diagram of the core-in-shell principle of the invention.

Fig. 4 is a schematic diagram of a partial structure of the cell feeding mechanism of the present invention.

Fig. 5 is a schematic diagram of a partial structure of a battery cell feeding mechanism according to the present invention.

Fig. 6 is a schematic diagram of a partial structure of a battery cell feeding mechanism according to the present invention.

Fig. 7 is a schematic diagram of a partial structure of a battery case feeding mechanism and a battery discharging mechanism of the present invention.

Description of the embodiments

The following detailed description of specific embodiments of the invention is provided in connection with the accompanying drawings, and the examples described are merely illustrative and explanatory of the invention, and are not intended to be the only limitation of the invention.

According to the vertical battery cell shell entering method, a bearing part is arranged on the periphery of a rotating mechanism to vertically bear the battery cell and the battery shell, the battery cell and the battery shell can move axially relatively on the bearing part, the battery cell is positioned above the battery shell, and a driving mechanism is used for driving the battery cell and the battery shell to axially move oppositely, so that the battery cell enters an inner cavity of the battery shell to form a battery blank; the bearing part radially expands in the axial movement process of the battery cell, and the end cover welded on the battery cell can pass through without interference; the battery cell feeding mechanism and the rotating mechanism bearing part are used for delivering the battery cell in a connecting way to realize the feeding of the battery cell, the battery shell feeding mechanism and the rotating mechanism bearing part are used for delivering the battery shell in a connecting way to realize the feeding of the battery shell, the battery discharging mechanism and the rotating mechanism bearing part are used for delivering the battery blank in a connecting way to realize the discharging of the battery, and the rotating mechanism rotates to realize the sequential transposition of stations of each working procedure of feeding, shell feeding and discharging. And carrying and conveying the battery cells by using a battery cell carrier, wherein the battery cells enter the shell-entering turret mechanism after the battery cells are separated from the battery cell carrier, and the battery cell carrier is recycled in the battery cell feeding mechanism. And carrying and conveying the battery shell by using a battery shell carrier, wherein the battery shell carrier enters the shell entering turret mechanism along with the battery shell and carries a battery blank to enter the battery discharging mechanism.

As shown in fig. 1 to 7, a cylindrical battery cell shell-entering device comprises a cell feeding mechanism, a shell-entering turret mechanism 5, a battery shell feeding mechanism 7, a rotary driving mechanism 8 and a battery discharging mechanism 6. The rotation driving mechanism 8 is a centralized motor drive and comprises a motor 801 and a gear reduction mechanism 802, wherein the motor 801 is connected with an input shaft of the gear reduction mechanism 802, and an output gear 803 is arranged on an output shaft of the gear reduction mechanism 802.

The in-case turret mechanism 5 includes a turret 503, a first rotating shaft 511, a first transmission gear 501, a cell-carrying mechanism 510, a battery case-carrying mechanism, an in-case guide 502, and an in-case driving mechanism. The turret is supported and installed by a first rotating shaft 511, the first rotating shaft is supported and installed on the frame by a bearing seat, a first transmission gear 501 is installed at the bottom end of the first rotating shaft, and the first transmission gear 501 is meshed with an output gear 803 to drive the turret to rotate by a motor 801. The upper section of the outer peripheral surface of the turret 503 is shaped into twelve planes for installing the cell bearing mechanisms, the twelve planes are equally distributed along the circumferential direction of the outer peripheral surface of the turret 503, and each plane is provided with one cell bearing mechanism.

Each cell carrier 510 includes two U-shaped seats spaced up and down, each of which is supported and mounted by a laterally movable guide mechanism. The U-shaped seat is provided with a U-shaped groove cavity for accommodating the battery cell, the U-shaped seat is provided with an air suction hole, one end orifice of the air suction hole is positioned on the wall of the U-shaped groove cavity, the other end of the air suction hole is connected with an air suction fan through a pipeline, and the upper section and the lower section of the battery cell are held by negative pressure adsorption through the air suction holes of the upper U-shaped groove cavity and the lower U-shaped groove cavity, so that the battery cell is vertical. Each U-shaped seat comprises two groove blocks which are movably butted through vertical faces, the U-shaped groove cavity is divided into two parts by the vertical faces, and each groove block is provided with an air suction hole. The transverse movement guide mechanism comprises two guide rail pairs which are arranged at intervals up and down, each guide rail pair comprises a guide rail and two sliding blocks matched with the guide rail, each sliding block is supported and installed with one groove block through one installation block, the guide rail is installed on the plane of the upper section of the peripheral surface of the turret 503, and the two groove blocks on each guide rail are driven to move sequentially by the transverse movement driving mechanism to realize separation and closing.

The pipeline comprises a pipe joint, an air pipe, an air distribution piece and a fixing piece matched with the air distribution sleeve, wherein the air distribution piece is matched with the fixing piece through a rotary matching surface; an annular groove is formed in the rotary matching surface of the fixing piece, a vent hole communicated with the annular groove is formed in the fixing piece, a plurality of vent holes are formed in the air distributing piece, and one end orifice of each vent hole is located on the matching surface and communicated with the annular groove in a matching manner; the fixing piece is fixedly arranged, the vent hole of the fixing piece is connected with the air suction fan through the air pipe and the pipe joint, and the vent hole of the air distribution piece is connected with the air suction hole of the U-shaped seat through the air pipe and the pipe joint.

The battery case bearing mechanism comprises twelve vertical grooves 516 arranged on the lower section of the outer peripheral surface of the turret 503 and a surrounding block 504 surrounding the outer peripheral surface of the turret, and the circumferential positions of the vertical grooves 516 correspond to the battery cell bearing mechanism 510 and are positioned below the battery cell bearing mechanism 510. The enclosing block is fixedly arranged on the frame to fix the position of the enclosing block, the peripheral surface of the turret is in clearance fit with the enclosing block, and the groove wall of the vertical groove and the enclosing block enclose a battery shell accommodating cavity. The magnet is embedded on the wall of the vertical groove, so that the battery case can be stably accommodated in the battery case accommodating cavity. And a battery shell feeding hole and a battery discharging hole are formed in the enclosing wall and correspond to the battery shell feeding mechanism and the battery discharging mechanism respectively.

The shell-entering guide piece 502 is arranged between the battery cell bearing mechanism and the battery shell bearing mechanism, the shell-entering guide piece 502 is formed by splicing two guide blocks provided with stepped semi-cylindrical cavities, the two semi-cylindrical cavities are spliced into guide holes, the guide holes are stepped holes, the diameter of the upper section of each guide hole is equal to the outer diameter of the battery cell, the diameter of the lower section of each guide hole is equal to the outer diameter of the battery shell, when the battery cell is in the shell, the top end of the battery shell is inserted into the lower section of each guide hole, and the bottom end of the battery cell is inserted into the upper section of each guide hole and is inserted into the inner cavity of the battery shell under the guide of the guide hole. The guide blocks are supported and installed by the guide rail pair provided with the lower U-shaped seat groove blocks, the two guide blocks can be separated and closed, the radial size of the guide holes can be enlarged, and the guide blocks are used for enabling end covers welded on the battery cells to pass through without interference.

The shell entering driving mechanism comprises a battery cell pushing mechanism, a battery shell pushing mechanism and a pushing movement guiding mechanism, wherein the battery cell pushing mechanism and the battery shell pushing mechanism comprise an upper cam assembly, a lower cam assembly, a pushing piece 505, a lifting sliding block 506 and a reset spring 509, the upper cam assembly and the lower cam assembly comprise a first end face cam 515 and a first follower 507 matched with the first end face cam 515, and the two first end face cams 515 are fixedly arranged on a frame and are respectively arranged above and below the turret 503. The pushing movement guiding mechanism comprises two guiding sliding rods and two sliding rod installation seats 508, and the sliding rod installation seats are annular. The turret 503 is provided with slide bar mounting holes with a central line parallel to the axial direction of the turret, the plane of the upper section of the peripheral surface of each turret corresponds to two slide bar mounting holes, each slide bar mounting hole is fixedly penetrated with one guide slide bar, and slide bar mounting seats 508 are connected to two ends of the guide slide bar. The lifting slide block 506 is sleeved on the guide slide rod through a through hole, the reset spring 509 is sleeved on the guide slide rod, one end of the reset spring abuts against the lifting slide block, and the other end of the reset spring abuts against the end face of the turret 503.

The pushing member 505 corresponds to the positions of the battery cell bearing mechanism and the battery shell bearing mechanism, so as to push the battery cell contained in the battery cell bearing mechanism and the battery shell contained in the battery shell bearing mechanism against each other. The pushing member 505 of the battery case pushing mechanism is fixedly mounted to the lifting slider 506. The lifting slide block 506 of the battery cell pushing mechanism is provided with a mounting hole for mounting the pushing piece in a clearance fit mode, the pushing piece part above the lifting slide block is provided with a descending limit piece, the pushing piece part below the lifting slide block is provided with an ascending limit piece, a buffer spring is sleeved on the pushing piece between the ascending limit piece and the lifting slide block, and the buffer effect can be achieved after the pushing piece contacts with the battery cell, the battery shell and the battery cell are in place.

The lifting slide block 506 is fixedly connected with a follower wheel mounting piece, the first follower wheel 507 is mounted on the follower wheel mounting piece, the first follower wheel drives the pushing piece to do pushing movement through the follower wheel mounting piece and the lifting slide block, and the reset spring drives the lifting slide block to reset so that the follower wheel is always contacted and matched with the track surface of the end face cam. The turret rotates to enable the first follower wheel to roll on the cam track surface, the end face cam and the spring are matched to drive the lifting sliding block to lift, so that the pushing piece is driven to lift, and the battery cell and the battery shell are propped against relative movement to complete the battery cell insertion.

The lateral movement driving mechanism comprises a driving block 512, a driving wheel, a connecting block 513 and a closing reset spring, wherein the driving block 512 is vertically and fixedly arranged on the lifting slide block 506 of the battery cell pushing mechanism, and synchronously lifts along with the lifting slide block 506. The turret 503 is provided with an inner cavity for the driving block 512 to lift and lower. The two side surfaces of the driving block 512 serve as track surfaces for cooperation with the driving wheel. The connection block 513 is fixedly connected with the installation block of the top support installation groove block 510, each groove block corresponds to a connection block, the connection block moves together with the groove block, and a driving wheel is installed on each connection block through a shaft support. Two ends of the closed reset spring are respectively connected with the two mounting blocks on one guide rail, the two groove blocks are pulled to be closed and reset through spring force, and the two driving wheels are contacted and matched with the track surfaces on two sides of the driving block. The width of the lower section of the driving block is smaller than that of the upper section, so that the lateral track surface of the driving block is a step surface and comprises two vertical surfaces and an inclined surface connected between the two vertical surfaces. In the process that the driving block rapidly descends along with the lifting slide, the width of the driving block part of the supporting driving wheel is increased from small, the two guide rails respectively correspond to the two driving wheels and are sequentially supported by the track surface to increase the distance, so that the two driving wheels are separated to two sides, the two groove blocks are driven to be separated to two sides through the connecting block, the closed reset spring is stretched to generate elastic force, in the process that the driving block ascends along with the lifting slide, the width of the driving block part of the supporting driving wheel is greatly reduced, the closed reset spring drives the two groove blocks to be closed, and the driving wheels are driven to move in opposite directions through the connecting block to always abut against the track surface of the driving block.

The battery cell feeding mechanism comprises a battery cell carrier 12, a battery cell conveying mechanism, a battery cell transferring mechanism 4 and a battery cell carrier separating mechanism 3. The cell transfer mechanism 4 comprises a first cell holding block 401 and a third rotating shaft 403, the third rotating shaft 403 is supported and installed on the frame by a bearing pedestal, the four first cell holding blocks 401 are circumferentially installed on the third rotating shaft 403 through support, and a third transmission gear 402 is installed at the bottom end of the third rotating shaft. The first electric core holding block 401 is provided with two holding parts with the rear ends connected into a whole and the front ends overhanging at intervals up and down, each holding part is provided with a U-shaped groove cavity for holding the electric core, the electric core holding block is provided with an air suction hole, one end orifice of the air suction hole is positioned on the cavity wall of the U-shaped groove cavity, the other end of the air suction hole is connected with an air suction fan through a pipeline, the electric core is held by negative pressure absorption of the air suction hole, and the pipeline is identical to the pipeline structure of the shell-entering turret mechanism. The third transmission gear 402 is meshed with the output gear 803, and is driven to rotate by the motor 801 and rotates together with the first rotating shaft 511 of the shell entering turret mechanism 5, and in the rotating process, the first electric core holding block 401 is matched with the electric core bearing mechanism of the shell entering turret mechanism to form an electric core exchange connection relationship, so that the electric core is conveyed to the electric core bearing mechanism of the shell entering turret mechanism in a vertical state, and the electric core is correspondingly conveyed to the shell entering turret mechanism in a timing and quantitative mode.

The electric core conveying mechanism comprises a circulating conveying belt 1 and an electric core feeding turntable mechanism 2. The circulating conveyer belt adopts a vertical rotary chain plate type, one end of the circulating conveyer belt is a carrier outlet, and the other end of the circulating conveyer belt is a carrier inlet. A plurality of battery cell carriers 12 are arranged on the circulating conveyor belt 1, and vertical battery cell jacks are arranged on the upper end faces of the battery cell carriers and used for bearing battery cells. The electric core feeding turntable mechanism comprises an electric core feeding turntable 202, an electric core carrier feeding turntable 204, a second rotating shaft 203 and a first arc baffle 201 which surrounds the periphery of the electric core carrier feeding turntable, wherein material stirring grooves are formed in the peripheral surfaces of the electric core feeding turntable 202 and the electric core carrier feeding turntable 204, the electric core feeding turntable 202 and the electric core carrier feeding turntable 204 are arranged up and down and are installed on the second rotating shaft 203, and the material stirring grooves correspond to the electric core 9 and the electric core carrier 12 respectively. The second rotating shaft 203 is supported and installed on the frame by a bearing and a bearing seat, the bottom end of the second rotating shaft is provided with a second transmission gear 205, and the rotation of the second transmission gear drives the second rotating shaft to rotate. And the battery cell feeding turntable and the battery cell carrier feeding turntable are used for poking the battery cell carrier with the battery cells on the discharge hole of the circulating conveyor belt away from the circulating conveyor belt through the poking groove in the rotating process, and the battery cell feeding turntable mechanism is used for carrying and conveying the battery cells, so that the timed and quantitative transmission of the battery cells is realized.

The electric core carrier separating mechanism 3 is located between the inlet of the circulating conveyer belt carrier and the electric core feeding tray mechanism 2, and comprises a fourth rotating shaft 311, a carrier separating turret mechanism and an electric core carrier discharging turntable mechanism, wherein the carrier separating turret mechanism comprises a separating turret 301, a second electric core holding block 302, a carrier bearing 310, a carrier bearing lifting driving mechanism and a lifting guiding mechanism, the fourth rotating shaft 311 is supported and installed on a frame by a bearing seat, a fourth transmission gear 307 is installed at the bottom end of the fourth rotating shaft 311, the fourth transmission gear 307 is meshed with a third transmission gear 402, the second transmission gear 205 is meshed with the fourth transmission gear 307, and all are driven to rotate by a motor 801. The carrier separation turret is supported by a fourth rotating shaft and driven to rotate by the fourth rotating shaft, six second electric core holding blocks 302 are uniformly and fixedly arranged on the periphery of the carrier separation turret 301 along the circumferential direction, and the structures of the second electric core holding blocks 302 are identical to those of the first electric core holding blocks 401. The lifting guide mechanism comprises two guide rods and a support for installing the guide rods, and the guide rods are supported and installed on the separation turret 301 below the second cell holding block by the support. The carrier 310 comprises a supporting part and a sliding block part which are connected into a whole, the supporting part supports the bottom end surface of the battery cell carrier, a U-shaped groove cavity is arranged on the sliding block part to correspondingly hold the outer peripheral surface of the battery cell carrier, a vertical hole corresponding to the guide rod is arranged on the sliding block part, and the sliding block part is sleeved on the guide rod through the vertical hole. The number and the circumferential positions of the carrier bearing pieces correspond to the second battery cell holding blocks. The carrier-lift drive mechanism includes a second end cam 308, a second follower wheel 309, and a first spring. The second follower 309 rolls on the locus of the second face cam 308 in cooperation. A follower wheel mount is attached to each carrier-bearing 310, and a second follower wheel 309 is mounted to the follower wheel mount. The second end cam is fixedly arranged on the frame and arranged below the carrier separation turret 301, one end of the first spring is connected with the carrier bearing part, the other end of the first spring is connected with the support at the bottom end of the guide rod, and the first follower wheel is always contacted and matched with the track surface of the second end cam through spring force. The second end cam is provided with a high-level track surface and a low-level track surface, the position of the low-level track surface in the circumferential direction corresponds to the battery cell transfer mechanism 4, and the position of the high-level track surface corresponds to the battery cell carrier discharging turntable mechanism and the battery cell feeding turntable mechanism 2. The fourth rotating shaft of the battery cell carrier separating mechanism and the third rotating shaft of the battery cell transferring mechanism rotate together and rotate reversely, and in the rotating process, the second battery cell holding block and the first battery cell holding block are matched to form a battery cell exchange connection relationship, and the battery cells are vertically transferred to the battery cell transferring mechanism after the battery cell carriers are separated in the battery cell carrier separating mechanism.

The electric core carrier discharging turntable mechanism comprises an electric core carrier discharging turntable 304, a fifth rotating shaft 306 and a second circular arc baffle 303 which is surrounded on the periphery of the electric core carrier discharging turntable, a material stirring groove is formed in the periphery of the electric core carrier discharging turntable, the electric core carrier discharging turntable is supported and installed by the fifth rotating shaft, the fifth rotating shaft is supported and installed on a frame by a bearing seat, a fifth transmission gear 305 is installed at the bottom end of the fifth rotating shaft, the fifth transmission gear 305 is meshed with the fourth transmission gear 307 and is driven to rotate by a motor 801, the electric core carrier discharging turntable is located between a carrier separation turret and an inlet of the circulating conveyor carrier, and a material stirring groove on the periphery of the electric core carrier discharging turntable corresponds to the position of a carrier, and the electric core carrier 12 on the carrier is clamped and stirred into the inlet of the circulating conveyor carrier through the material stirring groove due to rotation of the electric core carrier discharging turntable.

The battery cell transfer mechanism, the battery cell carrier separation mechanism and the shell entering turret mechanism are all provided with arc enclosing baffles, the arc enclosing baffles are provided with battery cell pushing parts, the battery cell pushing parts extend into between two overhanging holding parts of the battery cell holding block at the battery cell connecting position, and the battery cells are blocked from rotating along with the battery cell holding block which is connected with the battery cells, so that the battery cells enter the battery cell holding block or the battery cell bearing mechanism which is used for receiving the battery cells.

The battery shell feeding mechanism 7 comprises a battery shell feeding turntable 704, a sixth rotating shaft 702, a battery shell carrier feeding turntable 703, a battery shell conveying belt and a third arc baffle 705 which is enclosed on the periphery of the battery shell carrier feeding turntable 703, wherein the sixth rotating shaft is supported and installed on a frame by a bearing and a bearing seat, a sixth transmission gear 701 is installed at the bottom end of the sixth rotating shaft, the sixth transmission gear 701 is meshed with the first transmission gear 501, and the motor 801 drives the battery shell feeding turntable 703 to rotate. The battery shell feeding turntable and the battery shell carrier feeding turntable are arranged on the sixth rotating shaft and correspond to the feeding port of the battery shell conveying belt and the battery shell feeding port, material stirring grooves are formed in the peripheries of the battery shell feeding turntable and the battery shell carrier feeding turntable, and in the rotating process, the battery shell located on the battery shell conveying belt feeding port is pulled away from the battery shell conveying belt along with the battery shell carrier through the material stirring grooves and bears and conveys the battery shell and the battery shell carrier, so that the battery shell is conveyed regularly and quantitatively.

The battery discharging mechanism 6 comprises a discharging disc 601, a seventh rotating shaft 603 and a battery conveying belt, the seventh rotating shaft is supported and installed on the frame by a bearing and a bearing seat, a seventh transmission gear 604 is installed at the bottom end of the seventh rotating shaft, the seventh transmission gear 604 is meshed with the first transmission gear 501, and the seventh rotating shaft is driven to rotate by a motor 801. The discharging disc is supported and installed by the seventh rotating shaft and corresponds to the feeding hole of the battery conveying belt and the battery discharging hole, a stirring groove is formed in the periphery of the discharging disc, a battery blank with a battery shell carrier and a battery core which is positioned on the shell-entering turret mechanism and is in shell entering is conveyed onto the battery conveying belt through the stirring groove in the rotating process, the battery blank is conveyed out of the battery conveying belt and recycled, and the battery shell carrier continuously enters recycling.

As another embodiment, the rotation driving mechanism may be driven by a power in a dispersed manner, and the first rotating shaft, the second rotating shaft, the third rotating shaft, the fourth rotating shaft, the fifth rotating shaft, the sixth rotating shaft and the seventh rotating shaft are respectively connected with one motor in a transmission manner, and the rotation of each motor is controlled by a control system to achieve orderly matching of each mechanism.

Claims

1. A method for inserting a cylindrical battery cell into a shell is characterized by comprising the following steps: the periphery of a rotating mechanism is provided with a bearing part for vertically bearing the battery cell and the battery shell, the battery cell and/or the battery shell relatively axially move on the bearing part, the battery cell is positioned above the battery shell, and the driving mechanism is used for driving the battery cell and the battery shell to axially oppositely move, so that the battery cell enters the inner cavity of the battery shell to form a battery blank; the bearing part for bearing the battery cell radially expands in the axial movement process of the battery cell, and the end cover welded on the battery cell can pass through without interference; the battery cell feeding mechanism and the rotating mechanism bearing part are used for delivering the battery cell in a connecting way to realize the feeding of the battery cell, the battery shell feeding mechanism and the rotating mechanism bearing part are used for delivering the battery shell in a connecting way to realize the feeding of the battery shell, the battery discharging mechanism and the rotating mechanism bearing part are used for delivering the battery blank in a connecting way to realize the discharging of the battery, and the rotating mechanism rotates to realize the sequential transposition of stations of each working procedure of feeding, shell feeding and discharging.

2. The method for housing a cylindrical battery cell according to claim 1, wherein: and carrying and conveying the battery cells by using a battery cell carrier, wherein the battery cells enter the shell-entering turret mechanism after the battery cells are separated from the battery cell carrier, and the battery cell carrier is recycled in the battery cell feeding mechanism.

3. The method for housing a cylindrical battery cell according to claim 1, wherein: and carrying and conveying the battery shell by using a battery shell carrier, wherein the battery shell carrier enters the shell entering turret mechanism along with the battery shell and carries a battery blank to enter the battery discharging mechanism.

4. The utility model provides a cylinder battery electric core goes into shell device which characterized in that: the cylindrical battery cell shell entering device comprises a cell feeding mechanism, a shell entering turret mechanism, a battery shell feeding mechanism, a battery discharging mechanism and a rotary driving mechanism, wherein the shell entering turret mechanism and the rotary driving mechanism are in transmission connection and driven to rotate by the rotary driving mechanism, a cell bearing mechanism for keeping a vertical state of a cell and a shell entering driving mechanism for driving the cell and the battery shell to axially and relatively move are arranged on the periphery of the shell entering turret mechanism, the cell bearing mechanism is positioned below the cell bearing mechanism and keeps a vertical state of the battery shell, and the positions of the cell bearing mechanism and the battery shell bearing mechanism meet the requirement of enabling the cell to be vertically inserted into an inner cavity of the battery shell; the battery cell feeding mechanism and the battery cell bearing mechanism rotate through the shell-entering turret mechanism to form a battery cell exchange connection relationship, and the battery cell feeding mechanism is used for conveying the battery cells to the battery cell bearing mechanism of the shell-entering turret mechanism in a vertical state; the battery shell feeding mechanism and the battery shell bearing mechanism rotate through the shell entering turret mechanism to form a battery shell exchange connection relationship, and the battery shell feeding mechanism is used for conveying the battery shell to the battery shell bearing mechanism of the shell entering turret mechanism in a vertical state, and the battery shell entering turret mechanism drives the battery cell and the battery shell to axially move relatively through the shell entering driving mechanism so that the battery cell is inserted into the inner cavity of the battery shell; the battery discharging mechanism and the battery shell bearing mechanism rotate through the shell entering turret mechanism to form a battery exchanging connection relationship, and the battery exchanging connection relationship is used for conveying the battery shell with the battery core into the battery discharging mechanism through the shell entering turret mechanism.

5. The cylindrical battery cell casing assembly of claim 4, wherein: the shell-entering turret mechanism further comprises a turret and a first rotating shaft, the turret is supported and installed by the first rotating shaft, the first rotating shaft is supported and installed by a bearing, the first rotating shaft is in transmission connection with the rotary driving mechanism and is driven by the rotary driving mechanism to rotate, and the battery cell bearing mechanism and the battery shell bearing mechanism are arranged on the periphery of the turret.

6. A cylindrical battery cell casing assembly according to claim 4 or 5, wherein: the rotary driving mechanism is driven by a centralized motor and comprises a motor and a gear reduction mechanism, wherein the motor is connected with an input shaft of the gear reduction mechanism, and an output gear is arranged on an output shaft of the gear reduction mechanism.

7. A cylindrical battery cell casing assembly according to claim 4 or 5, wherein: the shell entering turret mechanism further comprises a shell entering guide piece, the shell entering guide piece is arranged between the battery cell bearing mechanism and the battery shell bearing mechanism, the shell entering guide piece is provided with a guide hole, the guide hole is a stepped hole, the diameter of the upper section of the guide hole is equal to the outer diameter of the battery cell, the diameter of the lower section of the guide hole is equal to the outer diameter of the battery shell, when the battery cell is in the shell, the top end of the battery shell is inserted into the lower section of the guide hole, and the bottom end of the battery cell is inserted into the upper section of the guide hole and is inserted into the inner cavity of the battery shell under the guide of the guide hole.

8. A cylindrical battery cell casing assembly according to claim 4 or 5, wherein: the battery cell bearing mechanism comprises a U-shaped seat, wherein the U-shaped seat is provided with a U-shaped groove cavity for accommodating the battery cell, the U-shaped seat is provided with an air suction hole, one end orifice of the air suction hole is positioned on the cavity wall of the U-shaped groove cavity, the other end of the air suction hole is connected with an air suction fan through a pipeline, and the battery cell is held by negative pressure adsorption of the air suction hole.

9. The cylindrical battery cell casing assembly of claim 8, wherein: the U-shaped seat comprises two groove blocks which are movably butted through vertical faces, the U-shaped groove cavity is divided into two parts through the vertical faces, the air suction holes are formed in each groove block, the groove blocks are supported and installed by a transverse movement guide mechanism, the transverse movement guide mechanism is installed on the outer peripheral surface of the turret, and the two groove blocks are driven to move by a transverse movement driving mechanism.

10. The cylindrical battery cell casing assembly of claim 9, wherein: the shell-entering guide piece is formed by splicing two guide blocks provided with semi-cylindrical cavities, the guide blocks are supported and installed by the transverse moving guide mechanism, the two guide blocks can be separated and closed, the radial size of a guide hole can be enlarged, and the guide piece is used for enabling an end cover welded on an electric core to pass through without interference.

11. A cylindrical battery cell casing assembly according to claim 4 or 10, wherein: the battery shell bearing mechanism comprises a plurality of vertical grooves formed in the outer peripheral surface of the turret and a surrounding baffle arranged on the outer peripheral surface of the turret, the surrounding baffle is fixed in position, the outer peripheral surface of the turret is in clearance fit with the surrounding baffle, a battery shell accommodating cavity is formed by the groove walls of the vertical grooves and the surrounding baffle, a battery shell feeding hole and a battery discharging hole are formed in the surrounding baffle, and the battery shell feeding mechanism and the battery discharging mechanism correspond to each other respectively.

12. The cylindrical battery cell casing assembly of claim 11, wherein: and a magnet is embedded on the wall of the vertical groove.

13. A cylindrical battery cell casing assembly according to claim 4 or 10, wherein: the shell entering driving mechanism comprises a battery cell pushing mechanism, a battery shell pushing mechanism and a pushing movement guiding mechanism, wherein the battery cell pushing mechanism and the battery shell pushing mechanism comprise an upper cam assembly, a lower cam assembly, a pushing piece, a lifting sliding block and a reset spring, the upper cam assembly and the lower cam assembly comprise an end face cam and a follower matched with the end face cam, the two end face cams are fixedly arranged at positions and are respectively arranged above and below the turret, the pushing piece is arranged on the lifting sliding block, the pushing movement guiding mechanism is supported by the turret to move along with the turret, the lifting sliding block is supported by the pushing movement guiding mechanism to be installed and move to be guided, the pushing piece corresponds to the battery cell bearing mechanism and the battery shell bearing mechanism, a follower mounting piece is fixedly connected to the lifting sliding block, the follower is installed on the follower mounting piece, one end of the reset spring is connected with the lifting sliding block, the other end of the follower is relatively fixed with the turret, the follower is driven by the follower through the follower mounting piece and the lifting sliding block to move in a pushing way, and the reset spring drives the lifting sliding block to reset so that the follower is always matched with the track surface of the end face cam.

14. The cylindrical battery cell casing assembly of claim 13, wherein: the pushing movement guiding mechanism comprises two guiding slide bars and a slide bar mounting seat, the slide bar mounting seat is relatively fixed with the turret, the lifting slide block is sleeved on the guiding slide bars through a through hole, and the reset spring is sleeved on the guiding slide bars.

15. The cylindrical battery cell casing assembly of claim 14, wherein: the lifting slide block of the battery core pushing mechanism is provided with a mounting hole for mounting the pushing piece in a clearance fit mode, a pushing piece part above the lifting slide block is provided with a descending limit piece, a pushing piece part below the lifting slide block is provided with a lifting limit piece, and a buffer spring is sleeved on the pushing piece between the lifting limit piece and the lifting slide block.

16. The cylindrical battery cell casing assembly of claim 13, wherein: the transverse movement driving mechanism comprises a driving block, driving wheels, connecting blocks and a closing reset spring, wherein the driving block is vertically and fixedly arranged on a lifting sliding block of the battery cell pushing mechanism, the lifting sliding block synchronously lifts along with the lifting sliding block, the lateral surfaces of the two sides of the driving block are used as track surfaces matched with the driving wheels, the connecting blocks are relatively fixed with the groove blocks, each groove block corresponds to one connecting block, the connecting blocks move together with the groove blocks, each connecting block is provided with one driving wheel through a shaft support, each end of the closing reset spring is relatively fixed with one groove block, and the two groove blocks are pulled to be closed and reset through spring force, so that the two driving wheels are contacted and matched with the track surfaces on the two sides of the driving block; the width of the lower section of the driving block is smaller than that of the upper section, so that the lateral track surface of the driving block is a step surface and comprises two vertical surfaces and an inclined surface connected between the two vertical surfaces.

17. A cylindrical battery cell casing assembly according to claim 4 or 5, wherein: the electric core feeding mechanism comprises an electric core conveying mechanism, the electric core conveying mechanism comprises a circulating conveying belt and an electric core feeding turntable mechanism, the electric core feeding turntable mechanism comprises an electric core feeding turntable, an arc baffle and a second rotating shaft, the arc baffle and the second rotating shaft are arranged on the periphery of the electric core feeding turntable in a surrounding mode, a stirring groove is formed in the periphery of the electric core feeding turntable, the electric core feeding turntable is supported and installed through the second rotating shaft, the second rotating shaft is supported and installed through a bearing, the second rotating shaft is in transmission connection with the rotary driving mechanism, the rotary driving mechanism drives the electric core feeding turntable to rotate, and the electric core feeding turntable dials the electric core located on a discharge hole of the circulating conveying belt out of the circulating conveying belt through the stirring groove in the rotating process, and is used for bearing and conveying the electric core.

18. The cylindrical battery cell casing assembly of claim 17, wherein: the electric core feeding mechanism further comprises an electric core transferring mechanism, the electric core transferring mechanism comprises an electric core holding block and a third rotating shaft, the third rotating shaft is supported and installed by a bearing, a plurality of electric core holding blocks are circumferentially installed on the third rotating shaft through support supports, the third rotating shaft is in transmission connection with the rotary driving mechanism and driven to rotate by the rotary driving mechanism, the electric core holding block is provided with a U-shaped groove cavity for holding an electric core, an air suction hole is formed in the electric core holding block, one end orifice of the air suction hole is located on the cavity wall of the U-shaped groove, the other end of the air suction hole is connected with an air suction fan through a pipeline, the electric core is held through negative pressure suction of the air suction hole, the electric core holding block and the electric core bearing mechanism form an electric core exchange connection relationship, and the electric core held by the electric core holding block is connected with the electric core bearing mechanism.

19. The cylindrical battery cell casing assembly of claim 18, wherein: the battery cell feeding mechanism further comprises a battery cell carrier and a battery cell carrier separating mechanism, wherein the upper end surface of the battery cell carrier is provided with a vertical battery cell jack for bearing a battery cell; the battery cell carrier separating mechanism is positioned between the inlet of the circulating conveyor belt and the battery cell feeding tray mechanism and comprises a fourth rotating shaft, a carrier separating turret mechanism and a battery cell carrier discharging turntable mechanism, wherein the carrier separating turret mechanism comprises a separating turret, a battery cell holding block, a carrier bearing piece and a carrier bearing piece lifting driving mechanism, the fourth rotating shaft is supported and installed by a bearing, the fourth rotating shaft is in transmission connection with the rotating driving mechanism and is driven to rotate by the rotating driving mechanism, the carrier separating turret is supported and installed by the fourth rotating shaft and is driven to rotate by the fourth rotating shaft, the battery cell holding block is fixedly installed on the periphery of the carrier separating turret, and the carrier bearing piece is connected with the carrier bearing piece lifting driving mechanism and moves and guides through a lifting guide mechanism; the electric core carrier discharging turntable mechanism comprises an electric core carrier discharging turntable, a fifth rotating shaft and an arc baffle plate which surrounds the periphery of the electric core carrier discharging turntable, a stirring groove is formed in the peripheral surface of the electric core carrier discharging turntable, the electric core carrier discharging turntable is supported and installed by the fifth rotating shaft, the fifth rotating shaft is supported and installed by a bearing and is in transmission connection with the rotary driving mechanism, the electric core carrier discharging turntable is positioned between a carrier separation turret and the inlet of the circulating conveyor belt, and electric core carriers on carrier carriers are conveyed to the inlet of the circulating conveyor belt in a stirring mode; the battery cell holding block is provided with a U-shaped groove cavity for holding the battery cell, the holding block is provided with an air suction hole, one end orifice of the air suction hole is positioned on the wall of the U-shaped groove cavity, the other end of the air suction hole is connected with an air suction fan through a pipeline, and the battery cell is held by negative pressure absorption of the air suction hole; the battery cell is held by the battery cell holding block, the battery cell carrier is supported by the carrier bearing piece, the carrier separating turret rotates to convey the battery cell carrier and the battery cell, in the rotating process, the battery cell carrier descends to enable the battery cell to be separated from the battery cell carrier, the carrier separating turret rotates to the battery cell holding block handing-over position of the battery cell separating mechanism, the battery cell is conveyed and handed out, and the battery cell carrier continuously rotates along with the carrier separating turret and rises to the carrier handing-over position, is conveyed to the circulating conveyor belt by the battery cell carrier discharging turntable, and enters into the circulating use.

20. The cylindrical battery cell casing assembly of claim 19, wherein: the carrier bearing part lifting driving mechanism comprises an end face cam, a follower and a spring, wherein the end face cam, the follower and the end face cam track surface are fixedly arranged, the follower is matched with the end face cam track surface, the carrier bearing part is connected with a follower mounting part, the follower is mounted on the follower mounting part, one end of the spring is connected with the carrier bearing part, one end of the spring is relatively fixed with a carrier separation turret, and the follower and the end face cam track surface are in contact and matched all the time through spring force.