CN223684223U

CN223684223U - Battery electrode lug hole stamping device

Info

Publication number: CN223684223U
Application number: CN202423312332.1U
Authority: CN
Inventors: 徐立球; 徐悟宇; 文竹青; 邱耀忠; 刘鑫; 杜厚胜
Original assignee: Jiangsu Delixin Electronic Technology Co ltd; Anhui Xiaoqiu New Material Technology Co ltd
Current assignee: Jiangsu Delixin Electronic Technology Co ltd; Anhui Xiaoqiu New Material Technology Co ltd
Priority date: 2024-12-31
Filing date: 2024-12-31
Publication date: 2025-12-19
Anticipated expiration: 2034-12-31

Abstract

This utility model relates to the field of battery manufacturing and processing technology, and discloses a battery tab hole stamping device. This utility model solves the problems of adhesion and damage between the punch and the electrode sheet during existing battery tab hole stamping processes, as well as insufficient adaptability to stamping electrode sheets of different thicknesses. The device mainly consists of a worktable, a lifting tower, a support frame, a stamping assembly, and a leveling mechanism. The unique design of the stamping assembly uses buffer springs and a striker structure to buffer the impact force of the punch during stamping, and utilizes a diamond coating to prevent electrode sheet adhesion, effectively protecting the electrode sheets. The height-adjustable function relies on the cooperation of a drive motor, screw, and movable seat to adapt to different electrode sheets. The leveling mechanism uses push rods, elastic telescopic rods, and elastic rollers to level the electrode sheets before stamping, improving stamping accuracy. This utility model improves product yield, enhances the versatility of the device, and ensures high efficiency and precision in battery tab hole stamping.

Description

Battery electrode lug hole stamping device

Technical Field

The utility model relates to the technical field of battery production and processing, in particular to a battery electrode lug hole punching device.

Background

The battery tab hole is a small hole positioned on the battery tab. The electrode lug is a metal part led out from the anode and the cathode of the battery, and the main function of the electrode lug is to connect the electrode inside the battery with an external circuit. The battery tab hole punching is a processing method for applying pressure to a battery tab material through a die to enable the battery tab material to be plastically deformed so as to form a required hole pattern.

The prior Chinese patent with publication number of CN221675446U discloses a lithium battery stamping bracket, which mainly comprises a processing plate, supporting legs, supporting plates, positioning columns, a forming die, a feeding mechanism, a stamping mechanism, a collecting mechanism, a pressing mechanism and a pushing-out component. When the electrode plate is in operation, the electrode plate penetrates through the C-shaped fixed frame, and the electric telescopic rod drives the pressing plate to press the electrode plate. Then the driving motor drives the screw rod to rotate through the transmission part, and the moving block is pushed to drive the electrode plate to move above the forming die. Then the stamping cylinder pushes the moving plate, the trapezoidal pressing block at the bottom of the moving plate is contacted with and fixes the electrode plate, and the mounting plate drives the stamping head to be matched with the forming die for stamping. After stamping is completed, the electric push rod pushes the push rod and the push plate to push the finished product to the collecting box through the blanking port, the discharging port can be opened to discharge the finished product by pulling the box door handle, and the guide plate plays a guiding role, so that stamping processing and finished product collection of the electrode plate are realized. In the stamping process, the vacuum adsorption and mechanical clamping action between the pole piece and the punch can be enhanced, so that the pole piece is difficult to separate from the punch smoothly, and the adhesion problem and the pole piece damage risk exist.

With respect to the related art, a battery tab hole punching device is provided, which can eliminate the defects existing in the prior device.

Disclosure of utility model

The utility model aims to provide a battery lug hole stamping device which is used for working, so that the problems of adhesion and damage between a punch and a pole piece and insufficient stamping adaptability to pole pieces with different thicknesses in the existing battery lug hole stamping process are solved.

In order to achieve the purpose, the battery pole lug hole stamping device comprises a workbench, wherein a lifting tower is fixedly arranged on one side of the workbench, a connecting groove is formed in the side wall of the lifting tower, a supporting frame is arranged in the connecting groove in a sliding mode, and sliding grooves are formed in the inner walls of the two sides of the supporting frame. The sliding chute is connected with a punching component in a sliding way, and a leveling mechanism is movably connected between the supporting frame and the punching component;

The punching assembly comprises a hydraulic cylinder, the hydraulic cylinder is fixedly arranged at the top end of the supporting frame, the output end of the hydraulic cylinder is fixedly connected with a punching seat, the punching seat is slidably arranged in the sliding groove, the other end of the punching seat is in threaded connection with a punch, the other end of the punch is provided with a column hole, the outer walls of the two sides of the punch are provided with annular grooves, the inner top surface of each column hole is fixedly connected with a buffer spring, the other end of the buffer spring is fixedly connected with a collision column, the outer walls of the two sides of the collision column corresponding to the annular grooves are fixedly connected with connecting rods, and the end faces of the collision column, which are in contact with the battery pole pieces, are provided with diamond coatings.

Preferably, leveling mechanism includes push rod, elastic telescopic link and elasticity roller, and push rod, elastic telescopic link and elasticity roller symmetry set up on the outer wall of support frame both sides, and connecting piece fixed connection is passed through on the support frame to the one end of push rod, and the other end swing joint of push rod has the elasticity roller, and the elasticity roller is with battery pole piece activity butt, swing joint has the elastic telescopic link on the push rod, and the other end of elastic telescopic link passes through connecting piece fixed connection on the punching press seat.

Preferably, the support frame is of an inverted U-shaped structure.

Preferably, the top end of the lifting tower is fixedly provided with a driving motor, an output shaft of the driving motor is fixedly connected with a screw rod, and the other end of the screw rod is rotationally connected to the inner wall of the bottom end of the connecting groove.

Preferably, the screw is connected with a movable seat in a threaded manner, and the movable seat is fixedly connected with the supporting frame.

Preferably, the bottom end of the workbench is provided with an earhole.

Compared with the prior art, the utility model has the following beneficial effects:

1. According to the battery pole lug hole stamping device, the buffer spring and the collision column structure are arranged in the stamping assembly, so that impact force of the punch on the pole piece can be effectively dispersed at the stamping moment, and the possibility of damage such as crack, deformation and the like of the pole piece caused by uneven stress or overlarge stress is greatly reduced. Meanwhile, the diamond coating on the end face of the punch head effectively reduces the adhesion phenomenon between the pole piece and the punch head, and avoids the pole piece pulling damage caused by adhesion.

2. According to the battery pole lug hole stamping device provided by the utility model, the height-adjustable function is realized by matching the driving motor, the screw and the movable seat, so that the height position of the stamping component can be conveniently adjusted according to battery pole pieces with different thicknesses and specifications, and the accuracy and the effectiveness of stamping operation are ensured. The leveling mechanism utilizes the synergistic effect of the push rod, the elastic telescopic rod and the elastic grinding roller to finely roll and level the pole piece before stamping, so that the surface flatness of the pole piece reaches the optimal state, a good basic condition is provided for the subsequent stamping process, and the precision and quality of pole lug hole stamping are greatly improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an exploded view of the press assembly of the present utility model;

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

Fig. 4 is a schematic view of the internal structure of the punch of the present utility model.

The device comprises a workbench, a 10, an earhole, a 2, a lifting tower, a 20, a connecting groove, a 21, a driving motor, a 22, a screw rod, a 23, a movable seat, a 3, a supporting frame, a 30, a chute, a 4, a punching component, a 41, a hydraulic cylinder, a 42, a punching seat, a 43, a punch, a 431, a column hole, a 432, a ring groove, a 433, a buffer spring, a 434, a bumping column, a 435, a connecting rod, a 5, a leveling mechanism, a 51, a push rod, a 52, an elastic telescopic rod, a 53 and an elastic grinding roller.

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.

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings.

Referring to fig. 1-4, a battery tab hole stamping device comprises a workbench 1, wherein a lifting tower 2 is fixed on one side of the workbench 1, a connecting groove 20 is formed in the side wall of the lifting tower 2, a supporting frame 3 is arranged in the connecting groove 20 in a sliding manner, and sliding grooves 30 are formed in the inner walls of two sides of the supporting frame 3. The sliding chute 30 is connected with the punching component 4 in a sliding way, and a leveling mechanism 5 is movably connected between the supporting frame 3 and the punching component 4.

In the punching assembly 4, a hydraulic cylinder 41 is fixed at the top end of a supporting frame 3, the output end of the hydraulic cylinder is connected with a punching seat 42, the punching seat 42 slides in a sliding groove 30, the other end of the punching seat 42 is in threaded connection with a punch 43, the other end of the punch 43 is provided with a column hole 431, the outer walls of the two sides are provided with ring grooves 432, the inner top surface of the column hole 431 is connected with a buffer spring 433, the other end of the buffer spring 433 is connected with a collision column 434, the outer walls of the two sides of the collision column 434, corresponding to the positions of the ring grooves 432, are connected with connecting rods 435, and the contact end surfaces of the collision column 434 and a battery pole piece are provided with diamond coatings. In the stamping process, the hydraulic cylinder 41 pushes the stamping seat 42 to drive the punch 43 to stamp the battery pole piece, the buffer spring 433 and the collision column 434 can play a role in buffering in stamping, so that the impact force of the punch 43 on the pole piece is reduced, the damage of the pole piece due to overlarge instant stress is avoided, the friction between the punch 43 and the pole piece can be reduced by the diamond coating, the adhesion of the pole piece to the punch 43 is prevented, and the stamping quality and efficiency are ensured.

The leveling mechanism 5 comprises a push rod 51, an elastic telescopic rod 52 and an elastic grinding roller 53 which are symmetrically arranged on the outer walls of the two sides of the supporting frame 3. One end of the push rod 51 is connected with the support frame 3, the other end of the push rod 51 is connected with the elastic grinding roller 53 and movably abuts against the battery pole piece, the push rod 51 is connected with the elastic telescopic rod 52, and the other end of the elastic telescopic rod 52 is connected with the stamping seat 42. Before punching, the elastic grinding roller 53 can roll and flatten the battery pole piece under the action of the push rod 51 and the elastic telescopic rod 52, so that the surface of the pole piece is smooth, the punching precision is improved, and the punched pole lug hole is more accurate in position and more stable in quality.

The driving motor 21 is fixedly arranged at the top end of the lifting tower 2, an output shaft of the driving motor 21 is connected with the screw rod 22, the other end of the screw rod 22 is rotationally connected to the inner wall of the bottom end of the connecting groove 20, the screw rod 22 is screwed with the movable seat 23, and the movable seat 23 is fixedly connected with the supporting frame 3. The movable seat 23 can be driven to move up and down by driving the screw 22 to rotate through the driving motor 21, so that the height positions of the support frame 3 and the punching assembly 4 are adjusted, the punching requirements of battery pole pieces with different thicknesses or specifications are met, and the universality and the flexibility of the device are enhanced.

The bottom of the workbench 1 is provided with an ear hole 10, so that the waste materials after stamping can be conveniently discharged.

The working principle is that when in operation, firstly, a battery pole piece is placed on a workbench 1. The driving motor 21 is started to drive the screw rod 22 to rotate, so that the movable seat 23 screwed on the screw rod 22 drives the support frame 3 to move up and down in the connecting groove 20 of the lifting tower 2, and the height is adjusted to be proper, so that the punching assembly 4 is aligned with the pole piece. Then, the hydraulic cylinder 41 pushes the punching seat 42 to slide downwards along the chute 30 of the support frame 3, so as to drive the punch 43 to punch the pole piece. The buffer spring 433 and the impact post 434 on the punch 43 buffer impact force at the moment of punching, and the diamond coating on the end face prevents the pole piece from adhering. Before punching, the elastic roller 53 of the leveling mechanism 5 rolls and levels the pole piece under the action of the push rod 51 and the elastic telescopic rod 52, so as to ensure punching precision. The waste material produced by the stamping can be discharged through the ear hole 10 at the bottom end of the table 1.

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 battery pole lug hole stamping device comprises a workbench (1), wherein a lifting tower (2) is fixedly arranged on one side of the workbench (1), a connecting groove (20) is formed in the side wall of the lifting tower (2), a supporting frame (3) is arranged in the connecting groove (20) in a sliding mode, sliding grooves (30) are formed in the inner walls of the two sides of the supporting frame (3), and the battery pole lug hole stamping device is characterized in that a stamping assembly (4) is connected onto the sliding grooves (30) in a sliding mode, and a leveling mechanism (5) is movably connected between the supporting frame (3) and the stamping assembly (4);

The punching assembly (4) comprises a hydraulic cylinder (41), the hydraulic cylinder (41) is fixedly arranged at the top end of the supporting frame (3), the output end of the hydraulic cylinder (41) is fixedly connected with a punching seat (42), the punching seat (42) is slidably arranged in the sliding groove (30), the other end of the punching seat (42) is in threaded connection with a punch (43), the other end of the punch (43) is provided with a column hole (431), the outer walls of two sides of the punch (43) are provided with annular grooves (432), the inner top surface of the column hole (431) is fixedly connected with a buffer spring (433), the other end of the buffer spring (433) is fixedly connected with a collision column (434), the outer walls of two sides of the collision column (434) corresponding to the annular grooves (432) are fixedly connected with connecting rods (435), and the end faces of the collision column (434) in contact with a battery pole piece are provided with diamond coatings.

2. The battery pole lug hole punching device according to claim 1, wherein the leveling mechanism (5) comprises a push rod (51), an elastic telescopic rod (52) and an elastic grinding roller (53), the push rod (51), the elastic telescopic rod (52) and the elastic grinding roller (53) are symmetrically arranged on the outer walls of two sides of the support frame (3), one end of the push rod (51) is fixedly connected to the support frame (3) through a connecting piece, the other end of the push rod (51) is movably connected with the elastic grinding roller (53), the elastic grinding roller (53) is movably abutted against the battery pole piece, the elastic telescopic rod (52) is movably connected to the push rod (51), and the other end of the elastic telescopic rod (52) is fixedly connected to the punching seat (42) through the connecting piece.

3. The battery tab hole punching device according to claim 1, wherein the support frame (3) is of an inverted U-shaped structure.

4. The battery pole lug hole punching device according to claim 1, wherein a driving motor (21) is fixedly arranged at the top end of the lifting tower (2), a screw rod (22) is fixedly connected to an output shaft of the driving motor (21), and the other end of the screw rod (22) is rotatably connected to the inner wall of the bottom end of the connecting groove (20).

5. The battery tab hole punching device according to claim 4, wherein the movable seat (23) is screwed on the screw (22), and the movable seat (23) is fixedly connected with the supporting frame (3).

6. The battery tab hole punching device according to claim 1, wherein the bottom end of the workbench (1) is provided with a tab hole (10).