CN218525620U

CN218525620U - Automatic flat-bed machine of rubbing in batches of full utmost point ear of lithium cell

Info

Publication number: CN218525620U
Application number: CN202222356209.4U
Authority: CN
Inventors: 朱效铭; 赖武海
Original assignee: Ningbo Jiuju Intelligent Equipment Co ltd
Current assignee: Ningbo Jiuju Intelligent Equipment Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2023-02-24
Anticipated expiration: 2032-09-06

Abstract

The utility model discloses a lithium battery full-lug batch automatic flattening machine, which comprises a feeding mechanism, a conveying chain, a discharging mechanism and a plurality of clamps, wherein a positioning plate is arranged above the conveying chain, a clamping plate which can move up and down is arranged below the conveying chain, and flattening components are respectively arranged on two horizontal sides of the conveying chain; therefore, when the clamping plate moves upwards, the batch-positioned electric cores in the plurality of clamps can be lifted simultaneously to be close to the positioning plate to form batch clamping, and when the clamping plate moves downwards, the electric cores can be driven to be positioned in the plurality of clamps again in batches; when the battery cell is clamped in batches, the flattening components on the two sides can be simultaneously close to the full lugs at the two ends of the battery cell to synchronously rotate in the same direction for flattening, or simultaneously far away from the full lugs at the two ends of the battery cell to stop rotating for flattening, so that the automatic flattening of the batch of the full lugs of the battery cell is realized; in addition, rub flat the crew cut of flat subassembly and be equipped with the suction channel of external suction pump in, can be used to in time extract and get rid of the piece that produces when rubbing flat electric core full utmost point ear to avoid arousing electric core to damage.

Description

Automatic flat-bed machine of rubbing in batches of full utmost point ear of lithium cell

Technical Field

The utility model relates to an automatic flat-bed machine of rubbing that is used for the full utmost point ear of electricity core tip to rub flat specifically is a full utmost point ear of lithium cell is automatic in batches to rub flat-bed machine.

Background

At present, the rubbing and flattening of the full lugs at two ends of a battery cell are involved in the production and manufacturing process of lithium batteries, because the full-lug lithium batteries belong to lithium batteries with more advanced structures, no special rubbing and flattening machine is used for automatically rubbing and flattening the full lugs temporarily, manual rubbing and flattening is generally adopted, although some improved production machines can rub and flatten on the market, the automation degree is low, the structure of the full-lug lithium battery generally comprises a feeding mechanism, a conveying chain connected with the feeding mechanism and a discharging mechanism connected with the conveying chain, a plurality of clamps are arranged on the conveying chain, and the plurality of clamps are connected with the battery cells sequentially conveyed by the feeding mechanism to form batch positioning or batch separation, but when the battery cells are positioned in the clamps, the full lugs are rubbed and flattened directly on the single battery cell through a rubbing and flattening roller wheel, and obviously, the production efficiency is extremely low; meanwhile, the full-lug can generate fragments in the flattening process, and the fragments can be removed in time to cause damage to the battery cell due to the fact that the fragments fall into the battery cell along with the flattening work.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art's defect and provide one kind and can carry out the automation of full utmost point ear to batch lithium battery cell and rub flat, can in time get rid of full utmost point ear piece again rubbing flat-bed machine in-process to avoid arousing the full utmost point ear of lithium battery that electric core damaged to rub flat-bed machine in batches automatically.

The technical problem of the utility model is realized through following technical scheme:

a lithium battery full-lug batch automatic kneading and flattening machine comprises a feeding mechanism, a conveying chain connected with the feeding mechanism and a discharging mechanism connected with the conveying chain; the conveying chain is provided with a plurality of clamps, the clamps are connected with the battery cells sequentially conveyed by the feeding mechanism and form batch positioning or batch separation, a positioning plate is arranged above the conveying chain, a clamping plate capable of moving up and down is arranged below the conveying chain, and two horizontal sides of the conveying chain are respectively provided with a flattening assembly; the clamping plate moves upwards and lifts the electric cores positioned in batches in the plurality of clamps to be close to the positioning plate to form batch clamping, or the clamping plate moves downwards and drives the electric cores to be positioned in the plurality of clamps again in batches; the battery cell forms batch clamping, the kneading and flattening components on the two sides are simultaneously close to the full lugs at the two ends of the battery cell and synchronously rotate in the same direction to knead and flatten, or the kneading and flattening components on the two sides are simultaneously far away from the full lugs at the two ends of the battery cell and stop rotating to knead and flatten.

The structure of the flattening components on two sides is the same, each flattening component on each side comprises a flattening frame arranged on one side of the conveying chain, and a plurality of flattening heads and flattening motors arranged on the flattening frames, the plurality of flattening heads correspond to the same positions of the quantity of the battery cells positioned in batches in the plurality of clamps on the adjacent conveying chain, and when the flattening components on two sides are simultaneously close to the full lugs at two ends of the battery cells, the flattening motors drive the plurality of flattening heads to synchronously rotate in the same direction to flatten.

Direction regulating gears which are meshed with each other are arranged between every two adjacent flat kneading heads; the kneading and flattening motor drives any one direction-adjusting gear to rotate and is linked with the plurality of direction-adjusting gears to drive the plurality of kneading and flattening heads to synchronously rotate in the same direction.

The flat kneading heads comprise flat kneading shafts rotatably arranged on the flat kneading frame, flat kneading rollers and flat kneading gears respectively arranged at two ends of the flat kneading shafts, the flat kneading gears drive the flat kneading rollers to rotate through the flat kneading shafts, and direction regulating gears meshed with each other are arranged between every two adjacent flat kneading gears.

The kneading flat shaft is internally provided with an axially through suction channel, one end of the suction channel is communicated with the kneading flat roller, and the other end of the suction channel is communicated with the kneading flat gear and externally connected with a suction pump.

Every side rub all be equipped with screw rod and servo motor on the flat frame of rubbing of flat subassembly, this servo motor drive screw rod is rotatory and drive and rub the flat frame and form horizontal reciprocating motion, and then drive the flat subassembly of rubbing of both sides and be close to the full utmost point ear at electric core both ends simultaneously or keep away from the full utmost point ear at electric core both ends simultaneously.

The locating plate bottom surface be equipped with a plurality of constant head tanks, the clamp plate top surface be equipped with a plurality of tight grooves of clamp, these a plurality of constant head tanks, a plurality of tight grooves of clamp all correspond with a plurality of anchor clamps quantity equal position on the adjacent conveying chain, and the clamp plate does the ascending removal and lifts simultaneously in a plurality of anchor clamps electric core of batch location and gets into the constant head tank of locating plate and form and press from both sides tightly in batches through a plurality of tight grooves of clamp.

The battery cell is positioned in a clamp on the conveying chain in a flat state to form horizontal conveying; the positioning groove and the clamping groove are matched with the appearance of the battery cell, and the positioning groove and the clamping groove are mutually buckled to clamp the battery cell.

The clamping plate is arranged on the lifting frame through the guide post in a lifting and moving way, and a lifting cylinder for driving the guide post to move up and down is arranged in the lifting frame.

The feeding mechanism comprises a feeding guide groove and a distribution rotating wheel connected with the feeding guide groove, the battery cell sequentially enters the distribution rotating wheel along the feeding guide groove, and the battery cell is sequentially conveyed to a plurality of clamps on the conveying chain by the rotation of the distribution rotating wheel to form batch positioning.

Compared with the prior art, the utility model is mainly characterized in that a positioning plate is arranged above the conveying chain, a clamping plate which can move up and down is arranged below the conveying chain, and two horizontal sides of the conveying chain are respectively provided with a kneading and flattening component; therefore, when the clamping plates move upwards, the battery cores positioned in batches in the clamps on the plurality of conveying chains can be lifted simultaneously to be close to the positioning plates to form batch clamping, and when the clamping plates move downwards, the battery cores can be driven to be positioned in the plurality of clamps again in batches; meanwhile, when the battery cells are clamped in batches, the rubbing components on the two sides can be close to the full lugs on the two ends of the battery cells at the same time to rotate synchronously in the same direction to rub the battery cells flatly, or the rubbing components on the two sides are far away from the full lugs on the two ends of the battery cells at the same time to stop rotating to rub the battery cells flatly. Obviously, the batch lithium battery cells can be automatically flattened by the additionally arranged positioning plate, the clamping plate capable of lifting and moving and the flattening components on the two sides; in addition, carry out whole utmost point ear and rub flat gyro wheel and install and rub flat epaxial, should rub flat epaxial suction passageway that is equipped with external suction pump that is equipped with, just can rub flat in-process through the suction passageway in time to extract at the whole utmost point ear of electric core and get rid of whole utmost point ear piece from this, avoid arousing the damage of electric core.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a schematic view of the matching structure of the positioning plate and the clamping plate.

Fig. 4 is a schematic view of the structure of the kneading and leveling unit.

Fig. 5 is a top view of fig. 4.

FIG. 6 is a schematic view of the structure of the kneading block.

Detailed Description

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

As shown in the figures 1-5, the device comprises a feeding mechanism 1, a feeding guide groove 11, a distribution rotating wheel 12, a conveying chain 2, a clamp 21, a clamp 22, a battery cell 3, a battery cell 4, a positioning plate 41, a positioning groove 5, a clamping plate 51, a clamping groove 6, a lifting frame 61, a lifting cylinder 62, a guide post 7, a kneading component 71, a kneading flat frame 72, a servo motor 73, a screw rod 74, a kneading flat motor 75, a slide rod 76, a direction regulating gear 8, a kneading flat head 81, a kneading flat shaft 82, a kneading flat gear 83, a kneading flat roller 84 and a suction channel.

A lithium battery full-lug batch automatic flattening machine is mainly used for carrying out batch automatic flattening on full lugs at two ends of a battery core 3, and mainly structurally comprises a feeding mechanism 1, a conveying chain 2 connected with the feeding mechanism, a discharging mechanism connected with the conveying chain and the like, as shown in figures 1 and 2.

The conveying chain 2 is sleeved on chain wheels at two ends to form a circulating operation, usually, one chain wheel is set as a driving chain wheel, the other chain wheel is set as a driven chain wheel, a plurality of clamps 21 are arranged on the conveying chain 2, the plurality of clamps are sequentially arranged along the length direction of the conveying chain 2, and after the conveying chain is connected with the battery cores 3 sequentially conveyed by the feeding mechanism 1, the battery cores 3 can be positioned in batches or separated from the batches through the plurality of clamps 21.

The feeding mechanism 1 and the discharging mechanism (not shown) can select the existing related equipment, for example, the feeding mechanism 1 of this embodiment includes a feeding guide slot 11 and a distribution runner 12 connected to the feeding guide slot, the battery cells 3 sequentially enter the distribution runner 12 along the feeding guide slot 11, and are sequentially conveyed to the plurality of clamps 21 on the conveying chain 2 by the rotation of the distribution runner to form batch positioning; each cell 3 is positioned in a flat state in a corresponding clamp 21 on the conveyor chain 2, so as to form a horizontal conveyor.

The positioning plate 4 is arranged above the conveying chain 2, the clamping plate 5 which moves up and down is arranged below the conveying chain 2, the clamping plate is mainly arranged on the lifting frame 61 through the guide post 62 in a moving mode, and the lifting cylinder 61 which drives the guide post 62 to move up and down is arranged in the lifting frame, namely the lifting cylinder drives the clamping plate 5 to move up and down through the guide post 62.

The bottom surface of the positioning plate 4 is provided with a plurality of positioning grooves 41, the top surface of the clamping plate 5 is provided with a plurality of clamping grooves 51, the positioning grooves 41 and the clamping grooves 51 correspond to the clamping grooves 21 on the adjacent conveying chains 2 in the same number, and the positioning grooves 41 and the clamping grooves 51 are matched with the appearance of the battery cell 3, so that the battery cell 3 can be clamped when the positioning grooves 41 and the clamping grooves 51 are buckled with each other.

In general, the following are: when the clamping plate 5 moves up, the batch-positioned electric cores 3 in the plurality of clamps 21 can be lifted through the plurality of clamping grooves 51 and enter the positioning grooves 41 of the positioning plate 4, so that batch clamping can be formed; when the clamping plate 5 moves downwards, the plurality of clamping grooves 51 drive the electric cores 3 to be repositioned in a plurality of clamps 21 in batches.

The horizontal two sides of the conveying chain 2 are respectively provided with a flattening component 7, after the battery cells 3 are clamped in batches, the flattening components 7 on the two sides can be close to the full lugs at the two ends of the battery cells 3 at the same time to synchronously rotate in the same direction to flatten, or the flattening components 7 on the two sides are far away from the full lugs at the two ends of the battery cells 3 at the same time to stop rotating to flatten.

The two side flattening assemblies 7 adopt the same structure, and each side flattening assembly 7 comprises a flattening frame 71 arranged at one side of the conveying chain 2, and a plurality of flattening heads 8 and flattening motors 74 which are arranged on the flattening frame; meanwhile, the kneading flat frames 71 of the kneading flat assemblies 7 on the two sides are slidably mounted on the slide rod 75, and the kneading flat frame 71 on each side is provided with the screw 73 and the servo motor 72, so that the servo motor can drive the screw 73 to rotate and drive the kneading flat frames 71 to horizontally reciprocate along the slide rod 75, so that the kneading flat assemblies 7 on the two sides can be driven to simultaneously approach the full tabs at the two ends of the battery cell 3 or simultaneously keep away from the full tabs at the two ends of the battery cell 3 in actual work, and the servo motor 72 and the screw 73 are used as driving parts for horizontally reciprocating the kneading flat assemblies 7 on the two sides, and the moving position can be more accurately controlled.

The plurality of kneading flat heads 8 correspond to the positions with the same number of the battery cores 3 positioned in batches in the plurality of clamps 21 on the adjacent conveying chain 2, and when the kneading flat components 7 on the two sides are simultaneously close to the full lugs at the two ends of the battery cores 3, the kneading flat motors 74 can drive the plurality of kneading flat heads 8 to synchronously and synchronously rotate and knead flat in the same direction.

Each of the kneading flat heads 8 comprises a kneading flat shaft 81 rotatably mounted on the kneading flat frame 71, the axial lead of the kneading flat shaft is on the same axial lead with the axial lead of the corresponding battery cell 3, a kneading flat roller 82 and a kneading flat gear 83 are respectively mounted at two ends of the kneading flat shaft 81, the kneading flat roller 82 can be driven by the kneading flat shaft 81 to rotate, and the rotating kneading flat roller 82 can be used for kneading and flattening the full pole ear near the end part of the battery cell 3.

Furthermore, the synchronous same-direction rotation of the plurality of kneading flat heads 8 is mainly characterized in that the mutually meshed direction-adjusting gears 76 are arranged between the kneading flat gears 83 of every two adjacent kneading flat heads 8, and the kneading flat motor 74 drives any one direction-adjusting gear 76 to rotate, so that the plurality of direction-adjusting gears can be linked to drive the kneading flat rollers 82 of the plurality of kneading flat heads 8 to synchronously and simultaneously rotate.

Obviously, the batch lithium battery cell can be automatically flattened by the additionally arranged positioning plate 4, the clamping plate 5 capable of lifting and moving and the flattening assemblies 7 on the two sides.

The utility model discloses a working process as follows: after the battery cells 3 are sequentially conveyed to the clamp 21 of the conveying chain 2 by the feeding mechanism 1 to form horizontal batch positioning, the lifting cylinder 61 drives the clamping plates 5 to ascend through the guide posts 62, the clamping grooves 51 on the clamping plates can synchronously lift the battery cells 3 positioned in batches in the clamp 21 into the positioning grooves 41 of the positioning plate 4 to form batch clamping, at this time, the servo motor 72 drives the screw rods 73 to rotate forward to accurately drive the flattening assemblies 7 on the two horizontal sides of the conveying chain 2 to simultaneously approach the full tabs at the two ends of the battery cells 3 along the slide rods 75, the flattening motor 74 drives the plurality of flattening heads 8 to synchronously rotate in the same direction through the plurality of direction adjusting gears 76, the flattening rollers 82 on the plurality of flattening heads 8 can flatten the full tabs at the two ends of the battery cells 3 clamped in batches at one time, then the flattening motor 74 stops rotating to enable the plurality of flattening heads 8 to also rotate, the servo motor 72 drives the screw rods 73 to reversely rotate to drive the flattening assemblies 7 on the two horizontal sides of the conveying chain 2 to simultaneously keep away from the full tabs at the two ends of the battery cells 3 along the rubbing rods 75, then the lifting cylinder 62 drives the plurality of battery cells 3 to automatically descend through the clamping plates 21 to complete batch conveying chain, and complete batch conveying of the batch of the multiple battery cells 3 through the batch flattening conveying chain.

In addition, an axially through suction channel 84 is arranged in the kneading flat shaft 81, one end of the suction channel is through to the kneading flat roller 82, and the other end of the suction channel is through to the kneading flat gear 83 and externally connected with a suction pump (not shown); thus, the full tab scrap can be timely extracted and removed through the suction channel 84 in the full tab flattening process of the battery cell, so that the damage to the battery cell is avoided.

The above description is only an embodiment of the present invention, and it should be understood by those skilled in the art that any structural design equivalent to this embodiment is included in the scope of the present invention.

Claims

1. A lithium battery full-lug batch automatic kneading and flattening machine comprises a feeding mechanism (1), a conveying chain (2) connected with the feeding mechanism and a discharging mechanism connected with the conveying chain; the battery cell batch separation device is characterized in that a positioning plate (4) is arranged above the conveying chain (2), a clamping plate (5) which can move up and down is arranged below the conveying chain (2), and two horizontal sides of the conveying chain (2) are respectively provided with a flattening component (7); the clamping plate (5) moves upwards and lifts the batch-positioned electric cores (3) in the plurality of clamps (21) to be close to the positioning plate (4) to form batch clamping, or the clamping plate (5) moves downwards and drives the electric cores (3) to be positioned in the plurality of clamps (21) again in batch; the battery core (3) is clamped in batch, the kneading and flattening components (7) on the two sides are close to the full lugs at the two ends of the battery core (3) at the same time to synchronously rotate in the same direction and knead flatly, or the kneading and flattening components (7) on the two sides are away from the full lugs at the two ends of the battery core (3) at the same time to stop rotating and kneading flatly.

2. The lithium battery full-tab batch automatic flattening machine according to claim 1, characterized in that the flattening assemblies (7) on two sides are identical in structure, each flattening assembly (7) on each side comprises a flattening frame (71) arranged on one side of the conveying chain (2), and a plurality of flattening heads (8) and flattening motors (74) which are arranged on the flattening frames, the plurality of flattening heads (8) correspond to the positions, equal in number, of the cells (3) positioned in batches in the plurality of clamps (21) on the adjacent conveying chain (2), and when the flattening assemblies (7) on two sides are close to the full tabs on two ends of the cells (3) simultaneously, the flattening motors (74) drive the plurality of flattening heads (8) to simultaneously and simultaneously rotate and flatten in the same direction.

3. The automatic batch flattening machine for the full lugs of the lithium batteries according to claim 2, wherein direction regulating gears (76) meshed with each other are arranged between every two adjacent flattening heads (8); the kneading flat motor (74) drives any one direction-adjusting gear (76) to rotate and is linked with the plurality of direction-adjusting gears to drive the plurality of kneading flat heads (8) to synchronously rotate in the same direction.

4. The automatic lithium battery full-tab batch flattening machine of claim 3, wherein the flattening heads (8) comprise flattening shafts (81) rotatably mounted on the flattening frame (71), flattening rollers (82) and flattening gears (83) respectively mounted at two ends of the flattening shafts, the flattening gears drive the flattening rollers (82) to rotate through the flattening shafts (81), and direction regulating gears (76) meshed with each other are arranged between the flattening gears (83) of every two adjacent flattening heads (8).

5. The automatic flattening machine for the batch production of the full tabs of the lithium batteries as claimed in claim 4, wherein the flattening shaft (81) is internally provided with an axially-through suction channel (84), one end of the suction channel is communicated with the flattening roller (82), and the other end of the suction channel is communicated with the flattening gear (83) and externally connected with a suction pump.

6. The automatic flattening machine for the whole pole lugs of the lithium battery in batch as claimed in claim 2, wherein a screw (73) and a servo motor (72) are arranged on the flattening frame (71) of each side of the flattening assembly (7), the servo motor drives the screw (73) to rotate and drives the flattening frame (71) to horizontally reciprocate, and further drives the flattening assemblies (7) at two sides to be close to the whole pole lugs at two ends of the battery cell (3) or to be away from the whole pole lugs at two ends of the battery cell (3) simultaneously.

7. The lithium battery full-tab batch automatic flattening machine according to claim 1, characterized in that a plurality of positioning grooves (41) are formed in the bottom surface of the positioning plate (4), a plurality of clamping grooves (51) are formed in the top surface of the clamping plate (5), the plurality of positioning grooves (41) and the plurality of clamping grooves (51) correspond to a plurality of clamps (21) on an adjacent conveying chain (2) in the same number, and the clamping plate (5) moves up and lifts batch-positioned battery cells (3) in the plurality of clamps (21) through the plurality of clamping grooves (51) to enter the positioning grooves (41) of the positioning plate (4) to form batch clamping.

8. The automatic batch flattening machine for the lithium battery full tabs according to claim 7 is characterized in that the battery cells (3) are positioned in a flat state in a clamp (21) on the conveying chain (2) to form horizontal conveying; the positioning groove (41) and the clamping groove (51) are matched with the appearance of the battery cell (3), and the positioning groove (41) and the clamping groove (51) are buckled with each other to clamp the battery cell (3).

9. The automatic batch flattening machine for the full tabs of lithium batteries according to claim 7, characterized in that the clamping plate (5) is mounted on a lifting frame (6) through a guide post (62) in a lifting manner, and a lifting cylinder (61) for driving the guide post (62) to move up and down is arranged in the lifting frame.

10. The lithium battery full-lug batch automatic flattening machine according to claim 1 is characterized in that the feeding mechanism (1) comprises a feeding guide groove (11) and a distribution runner (12) connected with the feeding guide groove, the battery cells (3) sequentially enter the distribution runner (12) along the feeding guide groove (11) and are sequentially conveyed to a plurality of clamps (21) on the conveying chain (2) by the rotation of the distribution runner to form batch positioning.