CN112531220A

CN112531220A - Full utmost point ear of cylinder type lithium cell is rubbed flat-bed machine

Info

Publication number: CN112531220A
Application number: CN202110033620.5A
Authority: CN
Inventors: 朱效铭
Original assignee: Ningbo Jiuding New Energy Technology Co ltd
Current assignee: Ningbo Jiuju Intelligent Equipment Co ltd
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-03-19

Abstract

The invention discloses a full-lug flattening machine for a cylindrical lithium battery, which comprises a rack, a main shaft and the like, and further comprises a battery turntable, a flattening turntable, a pushing assembly, a plurality of battery clamping stations and a flattening assembly, wherein the battery clamping stations and the flattening assembly are circumferentially uniformly distributed, are equal in number and correspond to one another one by one; during operation, the main shaft drives the battery turntable and the flat kneading turntable to synchronously rotate, each flat kneading assembly can rotate and revolve around the main shaft, when a lithium battery enters the battery clamping station and is driven by the battery turntable to continuously rotate, the flat kneading assemblies in one-to-one correspondence move and attach to the end part of the lithium battery and rotate and knead flat full tabs, and then the lithium battery moves and breaks away from the end part of the lithium battery, and at the moment, the lithium battery after the full tabs are kneaded flat continues to rotate along with the battery turntable until the lithium battery is driven to break away from the battery clamping station. In the manufacturing process, the kneading and flattening actions of the full lug at the end part of the lithium battery are continuously and automatically completed, so that the production efficiency is higher, and the manufacturing process is simpler and more labor-saving, thereby better meeting the requirements of automatic assembly line production of the lithium battery.

Description

Full utmost point ear of cylinder type lithium cell is rubbed flat-bed machine

Technical Field

The invention relates to a kneading and flattening machine for automatically kneading and flattening a full tab at the end part of a lithium battery, in particular to a cylindrical full tab kneading and flattening machine for a lithium battery.

Background

With the improvement of the requirement on the safety use performance of the lithium battery, the manufacturing method and the manufacturing process of the lithium battery are correspondingly changed, and the safety risks of spontaneous combustion or explosion and the like caused by over-concentrated current of the lithium battery can be well reduced by adopting the lithium battery manufactured by the full-lug manufacturing method. However, the full tabs protruding out of the end portion of the lithium battery are manually rotated and flattened manually, even though production machinery capable of being used for flattening the full tabs is available, an intermittent and single-station semi-automatic manufacturing mode is mostly used, the manufacturing process is troublesome and laborious, the production efficiency is extremely low, and the requirement for producing the lithium battery in an automatic assembly line is increasingly difficult to meet.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects of the prior art and provide the cylindrical lithium battery full-tab flattening machine which can continuously and automatically complete the full-tab flattening of the end part of a lithium battery and can better meet the requirement of automatic assembly line production of the lithium battery.

The technical problem of the invention is realized by the following technical scheme:

a cylindrical lithium battery full-lug flattening machine comprises a rack and a main shaft horizontally and rotatably mounted on the rack, wherein a battery turntable and a flattening turntable which are in transmission fit are arranged on the main shaft, a plurality of battery clamping stations which are uniformly distributed on the circumference of the battery turntable are arranged on the outer circumference of the battery turntable, a plurality of flattening assemblies which are uniformly distributed on the circumference, are equal to the battery clamping stations in number and correspond to the battery clamping stations one by one are arranged on the outer circumference of the flattening turntable, each flattening assembly is in power transmission connection with the main shaft, and a pushing assembly which pushes the flattening assembly to axially reciprocate is arranged at the rear end of each flattening assembly; the main shaft rotates to drive the battery turntable and the kneading flat turntable to synchronously rotate, and each kneading flat assembly is driven by the kneading flat turntable to revolve around the main shaft and is driven by the main shaft to synchronously rotate; the lithium cell get into battery block station and be driven by the battery carousel and rotate, the subassembly of rubbing flat of one-to-one removes the tip of laminating lithium cell and rotates and rub flat full utmost point ear after, removes the tip that breaks away from the lithium cell again, the lithium cell after this full utmost point ear is rubbed flat is driven and breaks away from battery block station along with the continuous rotation of battery carousel.

Each flattening component comprises a moving shaft which axially reciprocates and is arranged on the outer circumferential surface of the flattening turntable, the rear end of the moving shaft is provided with a pushing component, the front end of the moving shaft is provided with a rotating shaft which is rotationally arranged coaxially, and the front end of the rotating shaft is provided with a flattening head; the pushing assembly drives the moving shaft and the rotating shaft to axially reciprocate; the rotating shaft is in power transmission connection with the main shaft; the flat-kneading head is movably attached to the end part of the lithium battery and rotates to knead the full lug.

A belt assembly in power transmission connection is arranged between the rotating shaft and the main shaft, and the rotating shaft is driven to rotate by the main shaft through the belt assembly.

The moving shaft of each kneading and flattening component is arranged on the outer circumferential surface of the kneading and flattening turntable through a shaft sleeve, and the moving shaft axially reciprocates in the shaft sleeve.

The pushing component comprises a guide wheel which is movably sleeved on the main shaft and fixed with the frame, a guide ring groove which is coaxial with the guide wheel is arranged on the outer circumferential surface of the guide wheel, the guide ring groove is provided with an inner concave part close to the battery turntable, and a positioning guide shaft which is matched and assembled in the guide ring groove is correspondingly arranged at the rear end of the moving shaft; the main shaft rotates to drive the flat-kneading turntable to drive the flat-kneading assembly to revolve around the main shaft, the positioning guide shaft rolls along the guide ring groove, and the flat-kneading head at the front end of the rotating shaft is separated from the end part of the lithium battery; the positioning guide shaft rolls to the inner concave part of the guide ring groove, the movable shaft and the rotating shaft are pushed to move axially together to be close to the battery rotating disc, and the end part of the kneading flat head attached to the lithium battery at the front end of the rotating shaft rotates to knead flat full lugs.

The one-to-one corresponding flattening assemblies and the battery clamping stations are positioned on the same axis, and the same axis is parallel to the axis of the main shaft.

The lithium battery clamping device is characterized in that a material pressing belt is arranged above the battery turntable, the lithium battery enters the battery clamping station and is flatly rubbed with the full lug at the end part, the material pressing belt presses and positions the lithium battery in the battery clamping station all the time until the full lug at the end part of the lithium battery leaves after being flatly rubbed with the full lug, and the lithium battery is separated from the battery clamping station.

The pressing belt is supported by a plurality of supporting wheels arranged on the rack to rotate, an arc-shaped pressing belt part which is matched with the appearance of the battery turntable and presses and positions the lithium battery in the battery clamping station is arranged at the lower part of the pressing belt, and a belt tensioning rod is arranged above the pressing belt.

The pressing belt presses the lithium battery in the positioning battery clamping station through the arc-shaped pressing belt part, and the main shaft rotates and drives the pressing belt to rotate through the arc-shaped pressing belt part.

The battery cell clamping device comprises a battery rotating disc, a plurality of battery clamping stations and a plurality of flat kneading rotary discs, wherein the number of the flat kneading rotary discs is two, the two flat kneading rotary discs are respectively positioned at two sides of the battery rotating disc, and the outer circumferential surface of each flat kneading rotary disc at each side is provided with a plurality of flat kneading assemblies which are uniformly distributed on the circumference, are equal to the number of the battery clamping stations and correspond to the battery clamping; the main shaft rotates to drive the battery rotating disc and the rubbing flat rotating discs on the two sides to synchronously rotate, the lithium battery enters the battery clamping station and is driven by the battery rotating disc to rotate, the rubbing flat assemblies in one-to-one correspondence on the two sides synchronously move to be attached to the two ends of the lithium battery and synchronously move to be separated from the two ends of the lithium battery after rotating to rub flat full lugs.

Compared with the prior art, the invention mainly designs a kneading and flattening machine capable of continuously and automatically finishing kneading and flattening the full tabs at the end part of the lithium battery, and the kneading and flattening machine structurally comprises a frame, a main shaft and the like which are horizontally and rotatably installed, wherein a battery turntable and a kneading and flattening turntable which are in transmission sleeved are mainly arranged on the main shaft, a plurality of battery clamping stations which are circumferentially and uniformly distributed are arranged on the outer circumferential surface of the battery turntable, a plurality of kneading and flattening assemblies which are circumferentially and uniformly distributed, are equal to the number of the battery clamping stations and are in one-to-one correspondence are arranged on the outer circumferential surface of the kneading and flattening turntable, each kneading and flattening assembly is in transmission connection with the main shaft as power, and the rear end of each kneading and flattening assembly is provided with a; when the lithium battery clamping device works, the main shaft rotates to drive the battery turntable and the kneading turntable to synchronously rotate, each kneading and flattening assembly is driven by the kneading and flattening turntable to revolve around the main shaft, and simultaneously driven by the main shaft to synchronously rotate, when a lithium battery enters a battery clamping station and is driven by the battery turntable to continuously rotate, the kneading and flattening assemblies which correspond one to one move the end parts of the attached lithium batteries and rotate to knead flat full lugs, and then move the end parts of the lithium batteries, and at the moment, the lithium batteries with the kneaded flat full lugs continue to rotate along with the battery turntable until being driven to separate from the battery clamping station. In the manufacturing process, the kneading and flattening actions of the full lugs at the end part of the lithium battery are continuously and automatically completed, so that the production efficiency is higher, and the manufacturing process is simpler and more labor-saving, thereby better meeting the requirements of automatic assembly line production of the lithium battery.

Drawings

Fig. 1 is a schematic sectional structure of the present invention.

Fig. 2 is a left side view of fig. 1.

Fig. 3 is a schematic view of the structure of the kneading and leveling unit.

Fig. 4 is a sectional view a-a of fig. 3.

Fig. 5 is a schematic structural view of the guide wheel.

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the above drawings.

As shown in the figures 1-5, the automatic feeding device comprises a frame 1, a bottom plate 11, a fixing plate 12, a fixing plate 13, a feeding groove 14, a discharging groove 2, a main shaft 3, a battery turntable 31, a battery clamping station 4, a flat kneading turntable 5, a flat kneading assembly 51, a moving shaft 52, a rotating shaft 53, a flat kneading head 54, a shaft sleeve 55, a belt assembly 6, a pushing assembly 61, a guide wheel 62, a positioning guide shaft 62, a wheel seat 63, a guide ring groove 64, an inner concave part 641, a lithium battery 7, a material pressing belt 8, an arc-shaped pressing belt part 81, a supporting wheel 82, a tensioning rod 83, a motor 9, a gear set 91 and a bearing 10.

A full-lug flattening machine for a cylindrical lithium battery is shown in figures 1 and 2 and mainly relates to a production machine capable of continuously and automatically finishing the end part of the lithium battery, in particular to the full-lug flattening of the two ends of the cylindrical lithium battery, and the full-lug flattening machine mainly structurally comprises a frame 1, a main shaft 2, a battery rotating disc 3, a flattening rotating disc 4, a flattening component 5, a pushing component 6, a pressing belt 8 and the like.

The frame 1 adopts a cabinet type mounting rack, two ends of the main shaft 2 are respectively supported on the fixing plates 12 on two sides through bearings, and the fixing plates on two sides are simultaneously fixed on the bottom plate 11 at the top of the frame 1, so that the main shaft 2 can be horizontally and rotatably mounted on the frame 1.

The fixed plate 12 on one side is provided with a fixedly installed motor 9, and a gear set 91 in meshing transmission is arranged between the motor and the end part of the main shaft 2, so that the motor 9 can drive the main shaft 2 to rotate through the gear set 91.

The main shaft 2 is provided with a battery turntable 3 and a kneading flat turntable 4 which are in transmission fit, the embodiment is provided with two kneading flat turntables 4 which are respectively positioned at two sides of the battery turntable 3 so as to knead the tabs at two ends of the cylindrical lithium battery correspondingly, and the battery turntable 3 and the two kneading flat turntables 4 are driven by the main shaft 2 to synchronously rotate; the outer circumference of the battery turntable 3 is provided with a plurality of battery clamping stations 31 which are uniformly distributed on the circumference, the outer circumference of the flat kneading turntable 4 on each side is provided with a plurality of flat kneading components 5 which are uniformly distributed on the circumference, the flat kneading components 5 on the flat kneading turntables 4 on both sides are equal to and in one-to-one correspondence with the battery clamping stations 31, namely, the flat kneading components 5 on the flat kneading turntables 4 on both sides are in one-to-one correspondence with the battery clamping stations 31 on the battery turntable 3 and are just positioned on the same axial lead, and the same axial lead is parallel to the axial lead of the main shaft 2.

Meanwhile, each kneading and flattening component 5 is in power transmission connection with the main shaft 2, and the rear end of each kneading and flattening component 5 is provided with a pushing component 6 for pushing the kneading and flattening components to axially reciprocate.

Each of the kneading members 5 is shown in fig. 3 and 4, and has a structure comprising a moving shaft 51 and a rotating shaft 52 coaxially rotatably mounted at the front end of the moving shaft, the moving shaft 51 is mainly mounted on the outer circumferential surface of the kneading and flattening turntable 4 through a shaft sleeve 54, so that the moving shaft 51 can axially reciprocate in the shaft sleeve 54, the pushing member 6 is mounted at the rear end of the moving shaft 51 and provides a pushing force for the moving shaft 51 to axially reciprocate, the rotating shaft 52 is rotatably inserted into the front end of the moving shaft 51 through a bearing 10 mounted at the rear end to coaxially rotate, a kneading head 53 fixedly mounted at the front end of the rotating shaft 52 is further provided, that is, the rotating shaft 52 and the kneading head 53 will rotate together, and the rotating shaft 52 and the main shaft 2 are in power transmission connection through a belt member 55.

Therefore, the rotation of the main shaft 2 drives the battery turntable 3 and the kneading flat turntables 4 on the two sides to synchronously rotate, and each kneading flat assembly 5 is driven by the kneading flat turntables 4 to revolve around the main shaft 2; meanwhile, the spindle 2 drives the rotating shaft 52 and the kneading head 53 of the kneading and flattening assembly 5 to synchronously rotate through the belt assembly 55.

The pushing assembly 6 includes a guide wheel 61 shown in fig. 5, the guide wheel is movably sleeved on the main shaft 2 through a wheel seat 63 and is fixed with the frame 1, that is, the main shaft 2 does not drive the wheel seat 63 and the guide wheel 61 to rotate synchronously, the installation position of the guide wheel 61 on the frame 1 is fixed, a guide ring groove 64 coaxial with the guide wheel is further arranged on the outer circumferential surface of the guide wheel 61, most of the guide ring groove is a straight groove on the coaxial line, only one part of the guide ring groove is provided with an inner concave part 641 close to the battery turntable 3, and correspondingly, a positioning guide shaft 62 matched and assembled in the guide ring groove 64 is arranged at the rear end of the moving shaft 51.

Thus, when the main shaft 2 rotates to drive the kneading turntable 4 to drive the kneading component 5 to revolve around the main shaft 2, the positioning guide shaft 62 rolls along the guide ring groove 64, and at this time, the kneading heads 53 at the front end of the rotating shaft 52 are all separated from the end parts of the lithium batteries 7, that is, the positioning guide shaft 62 rolls along the straight groove of the guide ring groove 64, a certain distance is kept between the kneading heads 53 and the end parts of the lithium batteries 7, in the embodiment, the revolving of a plurality of kneading components 5 drives the positioning guide shaft 62 to roll around the guide wheel 61 along the guide ring groove 64, and a certain distance is also kept between the kneading heads 53 and the end parts of the lithium batteries 7; when the positioning guide shaft 62 of one of the flattening assemblies 5 rolls into the inner concave part 641 of the guide ring groove 64, the shape of the ring groove will push the positioning guide shaft 62 to deviate from the coaxial line and approach the battery turntable 3, so as to drive the movable shaft 51 and the rotating shaft 52 to move axially and approach the battery turntable 3, and at this time, the flattening head 53 at the front end of the rotating shaft 52 can directly attach to the end of the lithium battery 7 and be driven by the rotation of the rotating shaft 52 to flatten the full tab of the end of the lithium battery 7.

According to the structural design, the working process of the kneading machine is as follows: when the matched conveying equipment for producing the lithium battery 7 sequentially conveys the lithium batteries with full lugs at two ends to the flattening machine, the lithium batteries 7 enter the battery clamping station 31 and are pressed and positioned by the pressing belt 8, the lithium batteries 7 are driven to rotate by the battery turntable 3, namely, along with the continuous rotation of the battery turntable 3, the lithium batteries 7 sequentially arranged and conveyed enter the battery clamping station 31 one by one through the feeding groove 13 and are pressed and positioned, at the moment, the two flattening assemblies 5 on the two sides are correspondingly flattened in the flattening assemblies 5 on the flattening turntable 4, the positioning guide shafts 62 of the two pushing assemblies 6 just roll to the inner concave part 641 of the guide ring groove 64, so as to push the two flattening assemblies 5 to simultaneously axially move to be close to the battery turntable 3, namely, the two flattening assemblies 5 simultaneously axially move relatively, and the two flattening heads 53 just attach to two ends of the lithium batteries 7, at the moment, because the main shaft 2 drives the battery turntable 3 and the two flattening turntables 4, therefore, the spindle 2 drives the rotating shaft 52 and the flat kneading units 53 of the two flat kneading units 5 to be in a self-rotating state all the time through the belt assembly 55, so that the flat kneading units 53 can automatically rotate to knead the whole pole lug at the moment of attaching, namely, the positive pole lug and the negative pole lug at the two ends of the lithium battery 7 are simultaneously kneaded to be flat; and once the full lugs at the two ends of the lithium battery 7 are flattened, the positioning guide shafts 62 of the two pushing assemblies 6 just roll out of the inner concave parts 641 of the guide ring grooves 64 at the same time along with the rotation of the main shaft 2, that is, the two flattening assemblies 5 move back to back and drive the two flattening heads 53 to separate from the two ends of the lithium battery 7, and finally, the lithium battery 7 with the flattened full lugs is continuously driven to rotate along with the continuous rotation of the battery turntable 3 until the lithium battery 7 leaves the pressing belt 8 and separates from the battery clamping station 31 under the action of self gravity or a deflector rod, and finally, the lithium battery is output from the discharging groove 14.

The lithium battery 7 involved in the above working process actually refers to the core of a cylindrical lithium battery, that is, after the core is wound by the positive plate and the negative plate, the winding ends of the positive plate and the negative plate will respectively extend out of the two ends of the core, thereby forming the full tabs at the two ends of the lithium battery.

In addition, the pressing belt 8 is mainly arranged above the battery turntable 3 to assist the lithium battery 7 to enter the pressing and positioning in the battery clamping station 31 or to be separated from the battery clamping station 31, in actual work, when the lithium battery 7 enters the battery clamping station 31 and is flatly rubbed out of the full lugs at two ends, the pressing belt 8 needs to always press and position the lithium battery 7 in the battery clamping station 31 to ensure the stability of the flatting process, and only after the full lugs at two ends of the lithium battery 7 are flatly rubbed out, the pressing belt 8 only leaves the lithium battery 7 to facilitate the separation of the lithium battery from the battery clamping station 31.

The pressing belt 8 is supported by a plurality of supporting wheels 82 mounted on the frame 1 and rotates, an arc-shaped pressing belt part 81 matched with the appearance of the battery turntable 3 is arranged at the lower part of the pressing belt 8, the pressing belt 8 presses and positions the lithium battery 7 in the battery clamping station 31 through the arc-shaped pressing belt part 81, the main shaft 2 rotates and drives the pressing belt 8 to rotate through the arc-shaped pressing belt part 81, and a belt tensioning rod 83 is arranged above the pressing belt 8.

In the manufacturing process of the invention, the kneading and translation actions of the full lugs at the two ends of the lithium battery 7 are continuously and automatically completed, so the production efficiency is higher, the manufacturing process is simpler and more labor-saving, and the requirement of the automatic assembly line for producing the lithium battery is better met.

The above description is only a specific embodiment of the present invention, and those skilled in the art should understand that any similar structural design to the embodiment is included in the protection scope of the present invention.

Claims

1. A cylindrical lithium battery full-lug flattening machine comprises a rack (1) and a main shaft (2) which is horizontally and rotatably installed on the rack, and is characterized in that a battery turntable (3) and a flattening turntable (4) which are in transmission sleeved are arranged on the main shaft (2), a plurality of battery clamping stations (31) which are uniformly distributed on the circumference of the battery turntable (3) are arranged on the circumference of the flattening turntable (4), a plurality of flattening assemblies (5) which are uniformly distributed on the circumference, are equal to the battery clamping stations (31) in number and correspond to the battery clamping stations one by one are arranged on the circumference of the flattening turntable (3), each flattening assembly is in transmission connection with the main shaft (2) as power, and a pushing assembly (6) which pushes the flattening assemblies to axially reciprocate is arranged at the rear end of each flattening assembly (5); the main shaft (2) rotates to drive the battery turntable (3) and the kneading flat turntable (4) to synchronously rotate, and each kneading flat component (5) is driven by the kneading flat turntable (4) to revolve around the main shaft (2) and is driven by the main shaft (2) to synchronously rotate; lithium cell (7) get into battery block station (31) and be driven by battery carousel (3) and rotate, the subassembly of rubbing flat (5) of one-to-one removes the tip of laminating lithium cell (7) and rotates and rubs flat full utmost point ear after, the tip that moves again and break away from lithium cell (7), lithium cell (7) after this full utmost point ear is rubbed flat are driven and break away from battery block station (31) along with the continuous rotation of battery carousel (3).

2. The cylindrical lithium battery full-tab flattening machine as claimed in claim 1, wherein each flattening assembly (5) comprises a moving shaft (51) axially and reciprocally mounted on the outer circumferential surface of the flattening turntable (4), the rear end of the moving shaft is provided with a pushing assembly (6), the front end of the moving shaft (51) is provided with a rotating shaft (52) coaxially and rotatably mounted, and the front end of the rotating shaft is provided with a flattening head (53); the pushing assembly (6) drives the moving shaft (51) and the rotating shaft (52) to axially reciprocate; the rotating shaft (52) is in power transmission connection with the main shaft (2); the flattening heads (53) are movably attached to the end parts of the lithium batteries (7) and rotate to flatten the full lugs.

3. The cylindrical lithium battery full-tab flattening machine as claimed in claim 2, wherein a belt assembly (55) is arranged between the rotating shaft (52) and the main shaft (2) for power transmission connection, and the rotating shaft (52) is driven by the main shaft (2) to rotate through the belt assembly (55).

4. The cylindrical lithium battery full-tab flattening machine as claimed in claim 2, wherein the moving shaft (51) of each flattening assembly (5) is mounted on the outer circumferential surface of the flattening rotary disc (4) through a shaft sleeve (54), and the moving shaft (51) axially reciprocates in the shaft sleeve (54).

5. The full pole ear flattening machine of cylindrical lithium battery of claim 2, characterized by that the said pushing assembly (6) includes the guide wheel (61) that is fitted on the basic shaft (2) movably and fixed with the stander (1), there is guide ring groove (64) coaxial with guide wheel on the outer circumference of the guide wheel, and the guide ring groove has inner concave part (641) close to battery rotary table (3), there is locating guide shaft (62) fitted in guide ring groove (64) in the rear end of the movable shaft (51) correspondingly; the main shaft (2) rotates to drive the kneading flat turntable (4) to drive the kneading flat assembly (5) to revolve around the main shaft (2), the positioning guide shaft (62) rolls along the guide ring groove (64), and the kneading flat head (53) at the front end of the rotating shaft (52) is separated from the end part of the lithium battery (7); the positioning guide shaft (62) rolls to the inner concave part (641) of the guide ring groove (64) and pushes the movable shaft (51) and the rotating shaft (52) to jointly and axially move to be close to the battery rotating disc (3), and the flat-kneading head (53) at the front end of the rotating shaft (52) is attached to the end part of the lithium battery (7) to rotate and knead the full lug.

6. The cylindrical lithium battery full-tab flattening machine as claimed in claim 1, wherein the one-to-one flattening assemblies (5) and the battery clamping stations (31) are located on the same axis, and the same axis is parallel to the axis of the main shaft (2).

7. The cylindrical lithium battery full-tab flattening machine as claimed in claim 1, wherein a pressing belt (8) is arranged above the battery turntable (3), the lithium battery (7) enters the battery clamping station (31) and is flattened to form a full tab at the end, the pressing belt (8) always presses the lithium battery (7) positioned in the battery clamping station (31) until the pressing belt (8) leaves after the full tab at the end of the lithium battery (7) is flattened, and the lithium battery (7) is separated from the battery clamping station (31).

8. The cylindrical lithium battery full-lug flattening machine according to claim 7 is characterized in that the pressing belt (8) is supported by a plurality of supporting wheels (82) installed on the frame (1) together and rotates, an arc-shaped pressing belt part (81) which is matched with the shape of the battery turntable (3) and presses and positions the lithium battery (7) in the battery clamping station (31) is arranged at the lower part of the pressing belt (8), and a belt tensioning rod (83) is arranged above the pressing belt (8).

9. The cylindrical lithium battery full-tab flattening machine as claimed in claim 8, wherein the pressing belt (8) presses the lithium battery (7) in the battery clamping station (31) through the arc-shaped pressing belt part (81), and the spindle (2) rotates and drives the pressing belt (8) to rotate through the arc-shaped pressing belt part (81).

10. The cylindrical lithium battery full-tab flattening machine as claimed in claim 1, wherein two flattening rotary tables (4) are provided, the two flattening rotary tables are respectively located at two sides of the battery rotary table (3), and the outer circumferential surface of each flattening rotary table (4) at each side is provided with a plurality of flattening assemblies (5) which are uniformly distributed circumferentially and are equal in number to the battery clamping stations (31) and correspond to one another one by one; main shaft (2) rotate drive battery carousel (3) and the flat carousel of rubbing (4) synchronous rotation of both sides, this lithium cell (7) get into battery block station (31) and are driven by battery carousel (3) and rotate, the both ends of the flat subassembly of rubbing (5) synchronous movement laminating lithium cell (7) of both sides one-to-one rotate and rub the whole utmost point ear of tie after, synchronous movement breaks away from the both ends of lithium cell (7) again.