Welding and assembling device for 2V series super dense battery

Abstract

The application relates to a device for welding and assembling of 2V series super-large dense batteries and integration into a shell, which comprises a rack, a support frame arranged in the rack, and a shell-entering assembly arranged on the rack and located above the support frame. Two groups of pole groups are placed on a supporting plate, then a clamping piece is driven to clamp and fix the pole groups, welding is completed, after the welding is completed, a driving piece drives the supporting plate to move, the supporting plate is separated from the bottom of the pole groups, the shell-entering assembly and a jacking piece simultaneously move towards the pole groups, a shell-entering guide frame is placed in advance at the shell opening, so that the shell-entering assembly smoothly presses the two groups of parallel pole groups into the battery shell, the operation is repeated, the single four single-cell V super-large dense batteries are simultaneously completed at one station, one group of pole groups can be simultaneously welded and assembled into the shell by hand, and the production efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of battery manufacturing technology, and in particular to an integrated device for welding, assembling and casing of 2V series ultra-large density batteries. Background Technology

[0002] The 2V series ultra-large density battery has two processes in the assembly process called electrode group welding and casing insertion. The electrode groups are first welded and then pressed into the battery casing before proceeding to the next process.

[0003] The current method for assembling and casing 2V series ultra-large density batteries mainly relies on manual labor to place the welded electrode groups into PE bags, followed by vacuuming to shrink the loose electrode plates and separators at the bottom of the electrode groups together. Then, the electrode groups are manually lifted and placed into the individual cells of the battery casing, and a secondary casing is then performed using an auxiliary device. This assembly method requires each electrode group to be placed in a PE bag, and the electrode groups are manually lifted and placed into the battery casing. The disadvantages are that each electrode group is heavy, the manual labor intensity is high, the additional PE bag increases material costs, and manual casing can easily damage the electrode groups, resulting in product defects. Summary of the Invention

[0004] This invention addresses the shortcomings of existing technologies by providing an integrated device for welding, assembling, and casing assemblies of 2V series ultra-large density batteries. The specific technical solution is as follows:

[0005] Integrated assembly and casing device for 2V series ultra-large density batteries, including:

[0006] A frame, wherein a support frame is provided inside the frame;

[0007] The housing assembly is mounted on the frame and located above the support frame;

[0008] A clamping element, disposed on the support frame, is used to clamp the electrode group welding;

[0009] The lifting component is located inside the frame and below the support frame;

[0010] A conveying component, located on the telescopic end of the lifting component, is used to convey the battery casing;

[0011] The moving component includes a drive unit disposed on the support frame and a tray disposed on the drive unit. The tray is used to place the electrode group. The drive unit drives the tray to be pulled away from below the electrode group, and cooperates with the casing assembly to drive the electrode group to move downward into the battery casing, thus completing the casing operation.

[0012] As an improvement to the above technical solution, the support frame is provided in two sets, and a gap is provided between the two sets of support frames for the electrode group to enter the battery case.

[0013] As an improvement to the above technical solution, the moving component includes two sets of lead screws respectively rotatably mounted on two sets of support frames. A motor is mounted on the frame. The motor is connected to one set of lead screws via a transmission belt. The two sets of lead screws are connected to each other via a synchronous belt. The two sets of lead screws are threadedly connected to the support plate.

[0014] As an improvement to the above technical solution, the housing assembly includes two sets of cylinders three disposed on the top of the frame along the width direction of the frame, a movable plate is disposed between the telescopic ends of the two sets of cylinders three, the movable plate is slidably connected to the frame, and two sets of cylinders two are fixedly disposed below the movable plate along the height direction of the frame, and a pressing element is disposed on the telescopic end of the cylinders two.

[0015] As an improvement to the above technical solution, the lifting component includes a fixed plate disposed on the frame and a lifting cylinder disposed below the fixed plate. The telescopic end of the lifting cylinder movably passes through the fixed plate and extends above the fixed plate. A lifting plate is fixedly connected to the telescopic end of the lifting cylinder extending above the fixed plate.

[0016] As an improvement to the above technical solution, the conveying component includes two sets of conveying rollers disposed on the lifting plate, and a limit cylinder one and a limit cylinder two are respectively disposed between the two sets of conveying rollers.

[0017] As an improvement to the above technical solution, it also includes lifting components disposed on both sides of the conveying component. The lifting component includes a cylinder four rotatably disposed on the frame. The telescopic end of the cylinder four is rotatably connected to a rotating shaft. The end of the rotating shaft away from the cylinder four is rotatably connected to a lifting shaft. The lifting shaft is rotatably connected to the support frame and is located below the pallet.

[0018] As an improvement to the above technical solution, the clamping component is provided in two sets, including a cylinder one mounted on the support frame, and the telescopic end of the cylinder one is provided with a clamping plate.

[0019] The beneficial effects of this invention are:

[0020] By placing two sets of electrode groups on a pallet and then driving the clamping device to clamp and fix the electrode groups, the welding mold is then used to weld the electrode group terminals and busbar together. The welding operation is completed first. After welding, the driving device moves the pallet, causing the pallet to be pulled away from the bottom of the electrode groups. During the process of the pallet being pulled away, the casing assembly and the lifting device move simultaneously toward the electrode groups. A casing guide frame is placed in advance at the opening of the battery case to ensure that the casing assembly smoothly presses the two parallel sets of electrode groups into the battery case. The battery case moves on the conveyor and the previous step is repeated to press the other two welded sets of electrode groups into the battery case. This allows a single V-type ultra-large density battery with four individual cells to be completed at one station at the same time. The battery after casing is conveyed to the next process. This changes the process from manually welding and casing only one set of electrode groups to simultaneously welding and casing two sets of electrode groups, improving production efficiency. Each set of electrode groups saves one PE bag, reducing production costs, reducing the defect rate, and reducing the intensity of manual labor. Attached Figure Description

[0021] Figure 1 This is a front view of the overall structure of the present invention;

[0022] Figure 2 This is a rear view of the overall structure of the present invention;

[0023] Figure 3 This is a schematic diagram of the battery casing in this invention.

[0024] Reference numerals: 10, frame; 11, support frame; 12, fixing plate; 20, motor; 21, lead screw; 22, support plate; 30, cylinder one; 31, clamping plate; 40, cylinder two; 41, pressing component; 42, moving plate; 43, cylinder three; 50, lifting cylinder; 51, lifting plate; 52, conveyor roller; 53, limit cylinder one; 54, limit cylinder two; 60, battery casing; 61, partition plate; 70, cylinder four; 71, rotating shaft; 72, lifting shaft; 80, casing guide frame. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0026] This device is used for welding, assembling, and casing of 2V series ultra-large density batteries. It includes a frame 10 with a support frame 11 inside; a casing assembly mounted on the frame 10 and located above the support frame 11; a clamping member mounted on the support frame 11 for clamping electrode group welding; a lifting member mounted inside the frame 10 and located below the support frame 11; a conveying member located on the telescopic end of the lifting member for conveying the battery casing 60; and a moving assembly including a drive unit mounted on the support frame 11 and a tray 22 mounted on the drive unit. The tray 22 is used to place the electrode group. The drive unit pulls the tray 22 away from below the electrode group, cooperating with the casing assembly to drive the electrode group downwards into the battery casing 60, completing the casing operation.

[0027] The battery casing 60 is provided with a cross-shaped partition plate 61, which divides the cavity of the battery casing 60 into four sets of receiving cavities. The battery casing 60 is provided with an inlet guide frame 80. First, the two sets of electrode groups are placed on the support plate 22. Then, the clamping member is driven so that the clamping member clamps and fixes the electrode groups. Then, the welding mold is clamped to weld the electrode group terminals and the busbar together to complete the welding operation.

[0028] After welding is completed, the drive unit is activated, which moves the pallet 22, causing it to be pulled away from the bottom of the electrode group. During the removal of the pallet 22, the casing assembly and the lifting component move towards the electrode group simultaneously. A casing guide frame is placed in advance at the opening of the battery casing 60 to ensure that the casing assembly smoothly presses the two parallel electrode groups into the battery casing 60. The battery casing 60 moves on the conveyor, and the previous step is repeated to press the other two welded electrode groups into the battery casing 60. This allows a single 2V ultra-large dense battery with four individual cells to be completed at one station. The battery after casing is conveyed to the next process. The process changes from manually welding and casing only one electrode group to simultaneously welding and casing two electrode groups, improving production efficiency. Each electrode group saves one PE bag, reducing production costs, reducing the defect rate, and reducing manual labor intensity.

[0029] In one embodiment, reference Figure 1 as well as Figure 2 The support frame 11 is provided in two sets, and a gap is provided between the two sets of support frames 11 to allow the electrode group to enter the battery case 60. This is to facilitate the electrode group to enter the battery case 60 smoothly after the tray 22 is removed from under the electrode group.

[0030] In one embodiment, reference Figure 1 as well as Figure 2The moving component includes two sets of lead screws 21 rotatably mounted on two sets of support frames 11. A motor 20 is mounted on the frame 10. The motor 20 is connected to one set of lead screws 21 via a transmission belt, and the two sets of lead screws 21 are connected to each other via a synchronous belt. The two sets of lead screws 21 are threadedly connected to the tray 22. Specifically, the motor 20 drives the corresponding lead screw 21 to rotate via the transmission belt, and the lead screw 21 drives the other set of lead screws 21 to rotate via the synchronous belt, so that the two sets of lead screws 21 can rotate synchronously, thereby moving the tray 22 and removing the electrode group tray. When it is necessary to place the electrode group, the lead screw 21 is driven to move the tray 22 above the battery case 60.

[0031] In one embodiment, reference Figure 1 as well as Figure 2 The casing assembly includes two sets of cylinders 43 arranged at the top of the frame 10 along the width direction. A movable plate 42 is arranged between the telescopic ends of the two sets of cylinders 43. The movable plate 42 is slidably connected to the frame 10. Two sets of cylinders 40 are fixedly arranged below the movable plate 42 and along the height direction of the frame 10. A pressing element 41 is provided at the telescopic end of the cylinder 40. During welding, the cylinders 43 are driven to move the movable plate 42. The movable plate 42 moves the pressing element away from above the electrode group through the cylinders 40, which facilitates welding above the electrode group. When it is necessary to insert the electrode group into the casing, the cylinders 43 are driven to move the movable plate 42 back to the initial position. The movable plate 42 moves the pressing element 41 above the electrode group through the cylinders 40. Then, the cylinders 40 are activated, and the pressing element 41 moves downward, pressing the electrode group into the battery casing 60 through the pressing element 41.

[0032] In one embodiment, reference Figure 1 as well as Figure 2 The lifting component includes a fixed plate 12 mounted on the frame 10 and a lifting cylinder 50 mounted below the fixed plate 12. The telescopic end of the lifting cylinder 50 extends through the fixed plate 12 and above the fixed plate 12. A lifting plate 51 is fixedly connected to the telescopic end of the lifting cylinder 50 extending above the fixed plate 12. Specifically, in order to cooperate with the casing assembly and smoothly press the electrode group into the battery casing 60, when the cylinder 40 in the casing assembly moves downward, the lifting cylinder 50 drives the lifting plate 51 to move upward. The lifting plate 51 drives the conveyor to move upward, moving the battery casing 60 on the conveyor upward, so that when the support plate 22 is removed, the bottom of the two sets of electrode groups can enter the battery casing 60, thus avoiding the problem that the electrode groups are loose at the bottom and cannot be smoothly put into the battery casing 60.

[0033] In one embodiment, reference Figure 1 as well as Figure 2The conveying component includes two sets of conveying rollers 52 disposed on the lifting plate 51. A first limiting cylinder 53 and a second limiting cylinder 54 are respectively disposed between the two sets of conveying rollers 52. The battery casing 60 is placed on the two sets of conveying rollers 52 and positioned below the electrode group. The battery casing 60 moves from the second limiting cylinder 54 to the first limiting cylinder 53. At this time, the second limiting cylinder 54 extends to position the battery casing 60, preventing it from shifting on the conveying rollers 52. Meanwhile, the support plate 22 is pulled away by the driving component, and the lifting component and the casing assembly... With the cooperation of the components, the two sets of electrode groups are pressed into the two parallel receiving cavities inside the battery casing 60. After the two sets of electrode groups enter, the first limiting cylinder 53 extends, and the second limiting cylinder 54 retracts, pushing the battery casing 60 to move on the conveyor roller 52 until it comes into contact with the first limiting cylinder 53 for positioning. At this time, after the two sets of electrode groups above the tray 22 are welded, the above operation is repeated to fill the other two parallel receiving cavities of the battery casing, so that a single 2V ultra-large dense battery with four receiving cavities is completed in one station. The battery after entering the casing is flowed to the next process through the conveyor roller 52.

[0034] To avoid friction between the tray 22 and the bottom of the electrode group during removal, which could damage the bottom of the electrode group, please refer to... Figure 1 The system also includes lifting components disposed on both sides of the conveying component. Each lifting component includes a cylinder 70 rotatably mounted on the frame 10. The telescopic end of the cylinder 70 is rotatably connected to a rotating shaft 71. The end of the rotating shaft 71 away from the cylinder 70 is rotatably connected to a lifting shaft 72. The lifting shaft 72 is rotatably connected to the support frame 11 and is located below the pallet 22. Specifically, before electrode welding, the cylinder 70 retracts, and the cylinder 70 drives the lifting shaft 72 to rotate via the rotating shaft 71, causing the lifting shaft 72 to lift the pallet 22 to a height of 2-3 mm. The support plate 22 moves the electrode group upward, and then the clamping device limits and fixes the two sets of electrode groups. Then, the welding mold is clamped to weld the electrode group terminals and busbar together to complete the welding operation. After the welding is completed, the drive cylinder 70 extends. The drive cylinder 70 drives the lifting shaft 72 to rotate through the rotating shaft 71, so that the lifting shaft 72 is disengaged from the support plate 22. The support plate descends under the action of gravity and returns to the initial position. At this time, the two sets of electrode groups are disengaged from the support plate 22 under the action of the clamping device. When the drive device drives the support plate 22 to be pulled away, the friction between the two sets of electrode groups and the support plate is greatly reduced, thereby reducing the problem of damage to the bottom of the electrode group.

[0035] In one embodiment, reference Figure 1 The clamping components are provided in two sets, including a cylinder 30 disposed on the support frame 11. The telescopic end of the cylinder 30 is provided with a clamping plate 31. Specifically, the cylinder 30 is driven so that the cylinder 30 drives the clamping plate 31 to move towards the pole group until the clamping plate 31 limits and fixes the pole group.

[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A device for welding assembly and casing integration of 2V series super dense battery, characterized in that, The utility model relates to a battery shell welding device, including: Rack (10), be provided with support frame (11) in rack (10); Into shell subassembly, be provided with on rack (10) and be located support frame (11) above; Clamping piece, be provided with on support frame (11), are used for clamping pole group welding; Jacking piece, be provided with in rack (10) and be located support frame (11) below; Conveying piece, be provided with on the telescopic end of jacking piece, are used for conveying battery shell (60); Moving assembly, the moving assembly includes drive piece setting up on support frame (11) and setting up on drive piece and the tray (22) of moving assembly, the tray (22) is used for placing pole group, drive piece drives the tray (22) and draws away pole group below, cooperate into shell subassembly drive pole group and move down into battery shell (60) in, complete into shell operation;Support frame (11) is provided with two groups, and two groups support frame (11) between be provided with the gap for pole group and enter battery shell (60);The moving assembly includes two groups respectively rotating setting up on two groups support frame (11) and the lead screw (21), the motor (20) is set up on rack (10), and the motor (20) and one of group lead screw (21) are connected through transmission belt and drive, and two group lead screw (21) between drive connection through synchronous belt, and two group lead screw (21) and tray (22) are threadedly connected;Still include setting up on the both sides of conveying piece and lift the piece, the lift piece includes rotating setting up on rack (10) and the cylinder four (70), and the telescopic end of cylinder four (70) is rotatably connected with rotating shaft (71), and the end of rotating shaft (71) away from cylinder four (70) is rotatably connected with jacking shaft (72), and jacking shaft (72) is rotatably connected with support frame (11), and jacking shaft (72) is located below tray (22).

2. The device for welding assembly and casing integration of 2V series super dense battery according to claim 1, characterized in that: The utility model relates to a battery shell welding device, including:

3. The device for welding assembly and casing integration of 2V series super dense battery according to claim 1, characterized in that: Into shell subassembly, be provided with on rack (10) and be located support frame (11) above; 4. The device for welding assembly and casing integration of 2V series super dense battery according to claim 3, characterized in that: Clamping piece, be provided with on support frame (11), are used for clamping pole group welding; Jacking piece, be provided with in rack (10) and be located support frame (11) below; Conveying piece, be provided with on the telescopic end of jacking piece, are used for conveying battery shell (60); Moving assembly, the moving assembly includes drive piece setting up on support frame (11) and setting up on drive piece and the tray (22) of moving assembly, the tray (22) is used for placing pole group, drive piece drives the tray (22) and draws away pole group below, cooperate into shell subassembly drive pole group and move down into battery shell (60) in, complete into shell operation;Support frame (11) is provided with two groups, and two groups support frame (11) between be provided with the gap for pole group and enter battery shell (60);The moving assembly includes two groups respectively rotating setting up on two groups support frame (11) and the lead screw (21), the motor (20) is set up on rack (10), and the motor (20) and one of group lead screw (21) are connected through transmission belt and drive, and two group lead screw (21) between drive connection through synchronous belt, and two group lead screw (21) and tray (22) are threadedly connected;Still include setting up on the both sides of conveying piece and lift the piece, the lift piece includes rotating setting up on rack (10) and the cylinder four (70), and the telescopic end of cylinder four (70) is rotatably connected with rotating shaft (71), and the end of rotating shaft (71) away from cylinder four (70) is rotatably connected with jacking shaft (72), and jacking shaft (72) is rotatably connected with support frame (11), and jacking shaft (72) is located below tray (22). The utility model relates to a battery shell welding device, including: Into shell subassembly, be provided with on rack (10) and be located support frame (11) above; Clamping piece, be provided with on support frame (11), are used for clamping pole group welding; Jacking piece, be provided with in rack (10) and be located support frame (11) below; Conveying piece, be provided with on the telescopic end of jacking piece, are used for conveying battery shell (60); Moving assembly, the moving assembly includes drive piece setting up on support frame (11) and setting up on drive piece and the tray (22) of moving assembly, the tray (22) is used for placing pole group, drive piece drives the tray (22) and draws away pole group below, cooperate into shell subassembly drive pole group and move down into battery shell (60) in, complete into shell operation;Support frame (11) is provided with two groups, and two groups support frame (11) between be provided with the gap for pole group and enter battery shell (60);The moving assembly includes two groups respectively rotating setting up on two groups support frame (11) and the lead screw (21), the motor (20) is set up on rack (10), and the motor (20) and one of group lead screw (21) are connected through transmission belt and drive, and two group lead screw (21) between drive connection through synchronous belt, and two group lead screw (21) and tray (22) are threadedly connected;Still include setting up on the both sides of conveying piece and lift the piece, the lift piece includes rotating setting up on rack (10) and the cylinder four (70), and the telescopic end of cylinder four (70) is rotatably connected with rotating shaft (71), and the end of rotating shaft (71) away from cylinder four (70) is rotatably connected with jacking shaft (72), and jacking shaft (72) is rotatably connected with support frame (11), and jacking shaft (72) is located below tray (22). The utility model relates to a battery shell welding device, including: Into shell subassembly, be provided with on rack (10) and be located support frame (11) above; Clamping piece, be provided with on support frame (11), are used for clamping pole group welding; Jacking piece, be provided with in rack (10) and be located support frame (11) below; Conveying piece, be provided with on the telescopic end of jacking piece, are used for conveying battery shell (60); Moving assembly, the moving assembly includes drive piece setting up on support frame (11) and setting up on drive piece and the tray (22) of moving assembly, the tray (22) is used for placing pole group, drive piece drives the tray (22) and draws away pole group below, cooperate into shell subassembly drive pole group and move down into battery shell (60) in, complete into shell operation;Support frame (11) is provided with two groups, and two groups support frame (11) between be provided with the gap for pole group and enter battery shell (60);The moving assembly includes two groups respectively rotating setting up on two groups support frame (11) and the lead screw (21), the motor (20) is set up on rack (10), and the motor (20) and one of group lead screw (21) are connected through transmission belt and drive, and two group lead screw (21) between drive connection through synchronous belt, and two group lead screw (21) and tray (22) are threadedly connected;Still include setting up on the both sides of conveying piece and lift the piece, the lift piece includes rotating setting up on rack (10) and the cylinder four (70), and the telescopic end of cylinder four (70) is rotatably connected with rotating shaft (71), and the end of rotating shaft (71) away from cylinder four (70) is rotatably connected with jacking shaft (72), and jacking shaft (72) is rotatably connected with support frame (11), and jacking shaft (72) is located below tray (22). The utility model relates to a battery shell welding device, including:

5. The device for welding assembly and casing integration of 2V series super compact battery according to claim 1, characterized in that: The clamping piece is provided with two groups, including a first air cylinder (30) arranged on the support frame (11), and a clamping plate (31) arranged at the telescopic end of the first air cylinder (30).

Images