CN220920549U

CN220920549U - Lug bending device for processing soft-package battery

Info

Publication number: CN220920549U
Application number: CN202322704215.9U
Authority: CN
Inventors: 宋怡霖; 李奕萱; 赵阳; 周训平
Original assignee: Hubei Techpow Electric Co ltd
Current assignee: Hubei Techpow Electric Co ltd
Priority date: 2023-10-10
Filing date: 2023-10-10
Publication date: 2024-05-10
Anticipated expiration: 2033-10-10

Abstract

The utility model discloses a lug bending device for processing a soft-package battery, and relates to the technical field of lug bending of soft-package batteries. This tab bending device for soft packet battery processing, through being provided with the mechanism of pre-bending, it is fixed with the battery through the centre gripping subassembly earlier, then open the admission valve of second cylinder, the piston of second cylinder is driving the pre-compaction board and is moving down, the pre-compaction board continues to move down when the tab of battery touches the top of pressure folded plate, the operation of pre-bending has been accomplished to the tab of battery, open the admission valve of first cylinder when the pre-compaction board moves down to the bottom dead center, the piston end top dynamic pressure folded plate of first cylinder, make the pressure folded plate do and accomplish the operation of bending with the pitch arc motion of its lower extreme rotating assembly's pivot as the center, through the operation of bending again after pre-bending, the positive and negative electrode tab bending amount keeps unanimous when having guaranteed the tab to bend, in order to satisfy the demand of follow-up processing, the production quality of soft packet battery has been guaranteed.

Description

Lug bending device for processing soft-package battery

Technical Field

The utility model relates to the technical field of flexible battery tab bending, in particular to a tab bending device for processing a flexible battery.

Background

The battery cell is the most important component of the battery, and the battery cell can be assembled to form the battery after being sequentially subjected to the working procedures of mechanical/ultrasonic flattening, encapsulation, shell entering, current collecting disc welding, sealing welding and the like. Therefore, the performance of the battery core plays a direct role in the battery performance, the preparation process of the battery core before battery assembly is very important, the battery core is divided into positive and negative 2 poles, the electrode lugs are metal material electric conductors for leading out the positive and negative poles by the battery core, and bending operation is needed to be carried out on the positive and negative electrode lugs of the battery in the process of assembling the battery module.

In the production process of the conventional soft-package battery, a machine is usually used for replacing manual operation, but the situation that the bending amounts of the positive and negative electrode lugs are inconsistent can occur when the electrode lugs are directly bent, so that the utility model provides the electrode lug bending device for processing the soft-package battery.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a tab bending device for processing a soft package battery, which solves the problem that the bending quantity of positive and negative tabs is inconsistent when the tabs are bent.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a lug bending device for processing of soft packet battery, includes the base, the top fixedly connected with folding table of base, folding table's top fixedly connected with backup pad, folding table's top is provided with bending mechanism, the top fixedly connected with portal frame of base, the inside of portal frame is provided with the mechanism of pre-bending, the operation of lug pre-bending has been realized to the mechanism of pre-bending at the in-process of downwardly moving, bending mechanism includes the folded plate, the lower extreme of folded plate rotates with folding table through rotating the subassembly to be connected, one side fixedly connected with of folded plate rotates the support, one side of backup pad rotates through rotating the subassembly to be connected with first cylinder, the one end of the inside piston rod of first cylinder rotates with rotating the support through the pivot to be connected.

Preferably, the pre-folding mechanism comprises a second cylinder, the top of the second cylinder is fixedly connected with the inner side of the portal frame, one end of a piston rod inside the second cylinder is fixedly connected with a pre-pressing plate, a clamping assembly is arranged below the pre-pressing plate, and the pre-pressing plate is in sliding connection with the portal frame through a sliding assembly.

Preferably, the sliding assembly comprises a U-shaped sliding block, the two sides of the U-shaped sliding block and the two sides of the pre-pressing plate are respectively and fixedly connected, the surfaces of the two sides of the portal frame are provided with U-shaped sliding grooves, and the U-shaped sliding block is in sliding connection with the inner surfaces of the U-shaped sliding grooves.

Preferably, the clamping assembly comprises a left clamping block and a right clamping block, the tops of the left clamping block and the right clamping block are fixedly connected with T-shaped sliding blocks, T-shaped sliding grooves are formed in the bottoms of the pre-pressing plates, and the surfaces of the left clamping block and the right clamping block are in sliding connection with the inner surfaces of the T-shaped sliding grooves through the T-shaped sliding blocks.

Preferably, the clamping assembly further comprises a screw rod, the tops of the left clamping block and the right clamping block are fixedly connected with a screw sleeve, and the surface of the screw rod is in threaded connection with the screw sleeve.

Preferably, the screw rod groove is formed in the bottom of the pre-pressing plate, the screw rod is located in the screw rod groove and penetrates through the inner side of the pre-pressing plate to rotate, the screw sleeve is in sliding connection with the inner surface of the screw rod groove, and the screw rod and the U-shaped sliding block penetrate through to rotate and fixedly arranged with the stirring piece at the extending end.

Advantageous effects

The utility model provides a lug bending device for processing a soft-package battery. Compared with the prior art, the method has the following beneficial effects:

(1) This tab bending device for soft packet battery processing, through being provided with the mechanism of pre-bending, when carrying out tab bending operation, fix the battery through the centre gripping subassembly, then open the intake valve of second cylinder, the piston of second cylinder is driving the pre-compaction board and is moving down, the pre-compaction board continues to move down when the tab of soft packet battery touches the top of pressing the folded plate, the operation of pre-bending has been accomplished to the tab of soft packet battery, the intake valve of first cylinder is opened when the pre-compaction board moves down to the bottom dead center, the piston end top press the folded plate of first cylinder, make the folded plate do and accomplish the operation of bending with the pitch arc motion of the pivot of its lower extreme rotating assembly as the center, through the operation of bending after pre-bending again, positive and negative pole tab bending amount keeps unanimous when bending has been guaranteed, in order to satisfy the demand of follow-up processing, the production quality of soft packet battery has been guaranteed.

(2) This tab bending device for soft packet of battery processing through being provided with bending mechanism, and the admission valve of first cylinder when the pre-compaction board downwardly moving to the bottom dead center has been controlled through the air input of control first cylinder, has controlled the travel of first cylinder piston, has controlled the angle of bending the board and has done the pitch arc motion taking the pivot of its lower extreme rotating assembly as the center, has realized the control to the tab angle of bending, more can satisfy the demand of different soft packet of battery production processing to the tab angle of bending.

Drawings

FIG. 1 is a main block diagram of the present utility model;

FIG. 2 is a schematic view of a clamping assembly according to the present utility model;

FIG. 3 is a cross-sectional view of the body structure of the present utility model;

fig. 4 is an enlarged view of area a of fig. 3 in accordance with the present utility model.

In the figure: 1-base, 2-folding table, 3-backup pad, 4-mechanism of bending, 5-portal frame, 6-mechanism of prefolding, 41-folded plate, 42-rotating support, 43-first cylinder, 44-pivot, 61-second cylinder, 62-clamp plate, 63-clamping assembly, 64-slider, 65-screw groove, 63-1-left grip block, 63-2-right grip block, 63-3-lead screw, 63-4-silk shell, 64-1-U type slider, 64-2-U type spout.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides two technical solutions:

example 1

The utility model provides a tab bending device for processing of soft packet battery, including base 1, the top fixedly connected with folding table 2 of base 1, the top fixedly connected with backup pad 3 of folding table 2, the top of folding table 2 is provided with bending mechanism 4, the top fixedly connected with portal frame 5 of base 1, the inside of portal frame 5 is provided with the mechanism of prefolding 6 in advance, the operation of tab prefolding has been realized to the mechanism of prefolding 6 in the in-process of moving downwards, bending mechanism 4 includes press plate 41, the lower extreme of press plate 41 is rotated with folding table 2 through rotating the subassembly and is connected, one side fixedly connected with rotation support 42 of press plate 41, one side of backup pad 3 is rotated through rotating the subassembly and is connected with first cylinder 43, the one end of the inside piston rod of first cylinder 43 is rotated with rotation support 42 through pivot 44 and is connected.

Example two

The utility model provides a tab bending device for processing of soft packet battery, including base 1, the top fixedly connected with folding table 2 of base 1, the top fixedly connected with backup pad 3 of folding table 2, the top of folding table 2 is provided with bending mechanism 4, the top fixedly connected with portal frame 5 of base 1, the inside of portal frame 5 is provided with prefolding mechanism 6, prefolding mechanism 6 has realized the operation of tab prefolding in the in-process of moving downwards, bending mechanism 4 includes press flap 41, the lower extreme of press flap 41 is through rotating the subassembly with folding table 2 swivelling joint, rotating the subassembly including fixing the folding support at folding table 2 top, folding support and press flap 41 are through folding pivot swivelling joint, one side fixedly connected with of press flap 41 swivelling support 42, one side of backup pad 3 is through rotating the subassembly swivelling joint first cylinder 43, rotating the subassembly includes the runing bracket that is fixed in backup pad 3 one side, the rotating bracket is rotationally connected with one end of a first air cylinder 43 through a central rotating shaft, one end of a piston rod in the first air cylinder 43 is rotationally connected with a rotating bracket 42 through a rotating shaft 44, the lug bending device for processing the soft package battery is provided with a pre-bending mechanism 6, when the lug bending operation is carried out, a battery is fixed through a clamping assembly 63, then an air inlet valve of a second air cylinder 61 is opened, a piston of the second air cylinder 61 drives a pre-pressing plate 62 to move downwards, the pre-pressing plate 62 continuously moves downwards when the lug of the soft package battery touches the top end of a pressing plate 41, the pre-bending operation is completed on the lug of the soft package battery, the air inlet valve of the first air cylinder 43 is opened when the pre-pressing plate 62 moves downwards to a bottom dead center, the piston end of the first air cylinder 43 pushes the pressing plate 41 to enable the pressing plate 41 to carry out arc movement taking the rotating shaft of the lower end rotating assembly as the center to complete the bending operation, through bending operation after bending in advance, the bending quantity of the positive and negative electrode lugs is ensured to be consistent when the electrode lugs are bent, so that the requirement of subsequent processing is met, and the production quality of the soft-package battery is ensured.

In this embodiment, the pre-folding mechanism 6 includes a second cylinder 61, the top of the second cylinder 61 is fixedly connected with the inner side of the portal frame 5, one end of the piston rod inside the second cylinder 61 is fixedly connected with a pre-pressing plate 62, the air inlet valve and the air outlet valve of the first cylinder 43 and the second cylinder 61 are connected with an external air tank through air pipes, a clamping component 63 is arranged below the pre-pressing plate 62, the pre-pressing plate 62 is slidably connected with the portal frame 5 through a sliding component 64, and the surfaces of the pre-pressing plate 62, the folding plate 41 and the folding table 2 are made of hard polyurethane materials so as to prevent electrical core short circuits in the bending operation.

In this embodiment, the sliding assembly 64 includes a U-shaped sliding block 64-1, the two sides of the U-shaped sliding block 64-1 and the pre-pressing plate 62 are respectively and fixedly connected, the two side surfaces of the gantry 5 are provided with a U-shaped sliding groove 64-2, and the U-shaped sliding block 64-1 is slidably connected with the inner surface of the U-shaped sliding groove 64-2.

In this embodiment, the clamping assembly 63 includes a left clamping block 63-1 and a right clamping block 63-2, soft foam is adhered to the contact surface of the left clamping block 63-1 and the right clamping block 63-2 with the battery cell so as to ensure that the surface of the battery cell is not damaged when the battery cell is fixed, the top parts of the left clamping block 63-1 and the right clamping block 63-2 are fixedly connected with a T-shaped sliding block, a T-shaped sliding groove is formed in the bottom of the pre-pressing plate 62, and the surfaces of the left clamping block 63-1 and the right clamping block 63-2 are in sliding connection with the inner surface of the T-shaped sliding groove through the T-shaped sliding block.

In this embodiment, the clamping assembly 63 further includes a screw 63-3, threads at two ends of the screw 63-3 with its center as a dividing line are opposite, the tops of the left clamping block 63-1 and the right clamping block 63-2 are fixedly connected with a screw sleeve 63-4, and the surface of the screw 63-3 is in threaded connection with the screw sleeve 63-4.

In this embodiment, the bottom of the pre-pressing plate 62 is provided with the screw groove 65, the screw 63-3 is located in the screw groove 65 and runs through and rotates with the inner side of the pre-pressing plate 62, the screw sleeve 63-4 is slidably connected with the inner surface of the screw groove 65, the screw 63-3 runs through and rotates with the U-shaped sliding block 64-1 and fixedly provided with a stirring piece, the stirring piece is a screw knob, the screw knob is fixedly connected with the extending end of the screw 63-3, and the screw knob is not contacted with the outer side of the U-shaped sliding block 64-1, the lug bending device for processing the soft package battery is provided with the bending mechanism 4, when the pre-pressing plate 62 moves downwards to the bottom dead center, the air inlet valve of the first air cylinder 43 controls the movement stroke of the piston of the first air cylinder 43, controls the bending plate 41 to perform the angle of the arc movement by taking the rotating shaft of the rotating component at the lower end of the pressing plate as the center, thereby realizing the control of the lug bending angle, and meeting the requirements of different lug bending angles for producing and processing the soft package batteries.

And all that is not described in detail in this specification is well known to those skilled in the art.

During operation, the soft package battery is placed between the left clamping block 63-1 and the right clamping block 63-2, the screw rod knob is rotated to drive the screw rod 63-3 to rotate, the screw rod 63-3 drives the left clamping block 63-1 and the right clamping block 63-2 to move towards the middle under the limit of the T-shaped sliding groove because the screw threads at the left end and the right end of the screw rod 63-3 are opposite, at the moment, the soft package battery is clamped by the left clamping block 63-1 and the right clamping block 63-2, the air inlet valve of the second air cylinder 61 is opened, the piston of the second air cylinder 61 drives the pre-pressing plate 62 to move downwards under the limit of the U-shaped sliding groove, the lug of the soft package battery touches the top end of the pressing plate 41 in the pressing process, the pre-pressing plate 62 continues to press the lug of the soft package battery to complete the pre-bending operation, when the pre-pressing plate 62 moves downwards to the bottom dead center, the air inlet valve of the first air cylinder 43 is opened, the piston of the first air cylinder 43 moves forwards and rotates around the rotating shaft 44, at the moment, the pressing plate 41 is pressed by the top pressing plate 41 is pressed by the piston, the air cylinder 61 is opened, the first air cylinder 43 is rotated by taking the rotating shaft of the rotating assembly of the rotating shaft as the rotating shaft, the rotating shaft 44 is opened, the first air cylinder 43 is folded by the second air cylinder, and the first air cylinder 61 is folded, and the operation is completed.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flexible package battery processing is with utmost point ear bending device, includes base (1), its characterized in that: the folding device comprises a base (1), a folding table (2) is fixedly connected to the top of the base (1), a supporting plate (3) is fixedly connected to the top of the folding table (2), a bending mechanism (4) is arranged on the top of the folding table (2), a portal frame (5) is fixedly connected to the top of the base (1), a pre-bending mechanism (6) is arranged in the portal frame (5), and the pre-bending mechanism (6) achieves the operation of pre-bending of the tab in the downward moving process;

the bending mechanism (4) comprises a pressing plate (41), the lower end of the pressing plate (41) is rotationally connected with the folding table (2) through a rotating assembly, one side of the pressing plate (41) is fixedly connected with a rotating support (42), one side of the supporting plate (3) is rotationally connected with a first air cylinder (43) through the rotating assembly, and one end of an inner piston rod of the first air cylinder (43) is rotationally connected with the rotating support (42) through a rotating shaft (44).

2. The tab bending device for processing a soft package battery according to claim 1, wherein: the pre-folding mechanism (6) comprises a second air cylinder (61), the top of the second air cylinder (61) is fixedly connected with the inner side of the portal frame (5), one end of an inner piston rod of the second air cylinder (61) is fixedly connected with a pre-pressing plate (62), a clamping assembly (63) is arranged below the pre-pressing plate (62), and the pre-pressing plate (62) is in sliding connection with the portal frame (5) through a sliding assembly (64).

3. The tab bending device for processing a soft package battery according to claim 2, wherein: the sliding assembly (64) comprises a U-shaped sliding block (64-1), the U-shaped sliding block (64-1) is fixedly connected with two sides of the pre-pressing plate (62) respectively, U-shaped sliding grooves (64-2) are formed in the surfaces of two sides of the portal frame (5), and the U-shaped sliding block (64-1) is in sliding connection with the inner surfaces of the U-shaped sliding grooves (64-2).

4. The tab bending device for processing a soft package battery according to claim 3, wherein: the clamping assembly (63) comprises a left clamping block (63-1) and a right clamping block (63-2), T-shaped sliding blocks are fixedly connected to the tops of the left clamping block (63-1) and the right clamping block (63-2), T-shaped sliding grooves are formed in the bottoms of the pre-pressing plates (62), and the surfaces of the left clamping block (63-1) and the right clamping block (63-2) are in sliding connection with the inner surfaces of the T-shaped sliding grooves through the T-shaped sliding blocks.

5. The tab bending device for processing a soft package battery according to claim 4, wherein: the clamping assembly (63) further comprises a screw rod (63-3), the tops of the left clamping block (63-1) and the right clamping block (63-2) are fixedly connected with a screw sleeve (63-4), and the surface of the screw rod (63-3) is in threaded connection with the screw sleeve (63-4).

6. The tab bending device for processing a soft package battery according to claim 5, wherein: the screw rod groove (65) is formed in the bottom of the pre-pressing plate (62), the screw rod (63-3) is located in the screw rod groove (65) and penetrates through the inner side of the pre-pressing plate (62) to rotate, the screw sleeve (63-4) is slidably connected with the inner surface of the screw rod groove (65), and the screw rod (63-3) and the U-shaped sliding block (64-1) penetrate through to rotate and are fixedly provided with a poking piece at the extending end.