A tooling system for reworking semi-finished lead-acid batteries.

Abstract

This utility model discloses a electrode-extraction tooling for the rework of semi-finished lead-acid batteries. This tooling uses a limiting mechanism to vertically limit the semi-finished lead-acid batteries, thus preventing unnecessary movement during the electrode-extraction process. Through the use of a clamping lug mechanism in conjunction with a mounting bracket, the lever principle is applied during electrode-extraction to save manual force. This saves time and effort during operation, improves work efficiency, and reduces the possibility of contamination and damage to the electrode groups and battery cases.

Description

Technical Field

[0001] This utility model belongs to the field of lead-acid battery technology, specifically relating to a electrode stripping tooling for the rework of semi-finished lead-acid batteries. Background Technology

[0002] Defective products are produced in each process of lead-acid battery production, and the assembly and packaging process is no exception. Defective electrode groups, such as those with missing separators, misaligned separators, or misaligned plates and separators, need to be removed from the plastic casing (battery case) for rework after being installed.

[0003] Currently, when repairing defective battery packs in the assembly workshop, workers use pliers to clamp the tabs and manually pull them out, which is very laborious and difficult.

[0004] The current repair method has the following drawbacks: defective batteries cannot be fixed during repair, and the battery will move when force is applied to pull the electrode group; pulling the electrode group during repair requires stepping on the top of the battery with your foot, and dust from the sole of your shoe can easily contaminate the electrode group separator; the current manual electrode group pulling method is uneven in force, which can easily break the electrode tabs, resulting in a large amount of scrapped electrode plates; the current manual electrode group pulling method causes serious scratches on the plastic shell.

[0005] Chinese patent application CN119635235A discloses a device for disassembling electrode groups in lead-acid batteries. Chinese utility model patent CN219393481U discloses a tooling for pulling out electrode groups in lead-acid batteries. Chinese utility model patent CN211045613U discloses a device for pulling out electrode groups from a battery case. All three of these prior art technologies are applicable to lead-acid batteries with pre-cast busbars, utilizing the space between the busbar and the tabs to apply force. However, these devices or tooling are not suitable for semi-finished lead-acid batteries that have not yet been pre-cast with busbars. Summary of the Invention

[0006] This invention addresses the aforementioned shortcomings in the existing technology by providing a tooling for removing electrode groups in the rework of semi-finished lead-acid batteries. It is applicable to semi-finished lead-acid batteries that have not yet been cast and welded into busbars, and is more convenient and causes less damage to the battery compared to manually removing electrode groups with pliers.

[0007] A tooling for removing electrode groups in the rework of semi-finished lead-acid batteries, wherein the semi-finished lead-acid battery is a lead-acid battery with electrode groups inserted into a slot and without battery caps installed, the electrode group includes several electrode plates, and the top surface of the electrode plates has electrode tabs, the tooling for removing electrode groups includes: A workbench having a placement area for placing semi-finished lead-acid batteries; A limiting mechanism is used to vertically limit the semi-finished lead-acid battery placed in the placement area; A clamping lug mechanism includes a vise for clamping the lug, the vise having two operating handles, the ends of the operating handles being connected to a first chain, and the two first chains being connected to the same second chain; The mounting bracket, located on the workbench, includes two vertical mounting arms. A pivot shaft, rotatably connected to the vertical mounting arms and spanning the placement area, is provided between the two vertical mounting arms. The pivot shaft is provided with a gear for meshing with the second chain portion, and a handle for rotating the pivot shaft is also provided.

[0008] Preferably, the limiting mechanism includes two pressure strips disposed on the worktable and located on opposite sides of the placement area, the pressure strips being used to limit the semi-finished lead-acid battery from above.

[0009] More preferably, the semi-finished lead-acid battery includes a battery case, and the outer periphery of the opening of the battery case is provided with a stepped structure for use with the battery cover. The pressure strip is used to cooperate with the stepped structure to limit the semi-finished lead-acid battery.

[0010] Preferably, both ends of the rotating shaft are rotatably connected to the vertical mounting arm via bearings.

[0011] More preferably, a slider that can slide along the axis of the rotating shaft is sleeved on the rotating shaft, and the outer peripheral surface of the slider is provided with the wrench actuation position; The gear is also axially slidably disposed with respect to the rotating shaft.

[0012] More preferably, the rotating shaft is provided with a protruding strip to prevent the slider and gear from rotating circumferentially along the rotating shaft, and the slider and gear are provided with grooves on the mounting surfaces that are mounted to the rotating shaft to cooperate with the protruding strip.

[0013] More preferably, the slider and the gear are integrally formed.

[0014] This utility model relates to a electrode-removing fixture for reworking semi-finished lead-acid batteries. A limiting mechanism vertically restricts the semi-finished lead-acid batteries, preventing unnecessary movement during the electrode-removal process. The use of a clamping lug mechanism in conjunction with a mounting bracket utilizes leverage to reduce manual force during electrode removal. This design saves time and effort, improves work efficiency, and reduces the possibility of contamination and damage to the electrode groups and battery cases. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the electrode removal tooling for the repair of semi-finished lead-acid batteries according to this utility model.

[0016] Figure 2 This is a side view of the electrode removal tooling for the rework of semi-finished lead-acid batteries according to this utility model.

[0017] Figure 3 for Figure 2 Enlarged view of part A in the middle.

[0018] Figure 4 This is a schematic diagram of the rotating shaft.

[0019] Figure 5 This is a schematic diagram of the clamping lug mechanism.

[0020] Reference numerals: 1. Semi-finished lead-acid battery; 11. Battery case; 12. Stepped structure; 13. Electrode group; 2. Workbench; 3. Limiting mechanism; 31. Pressure bar; 4. Electrode clamping mechanism; 41. Pliers; 42. Operating handle; 43. First chain; 44. Second chain; 5. Mounting bracket; 51. Vertical mounting arm; 52. Rotating shaft; 53. Gear; 54. Wrench operating position; 55. Wrench; 56. Bearing; 57. Protrusion. Detailed Implementation

[0021] like Figures 1-5 As shown, a electrode group removal tooling for rework of semi-finished lead-acid batteries is applicable to lead-acid batteries with electrode groups inserted into the slots and without battery covers. The electrode group includes several electrode plates, and the top surface of the electrode plates has tabs. Preferably, the semi-finished lead-acid battery is one without cast-welded busbars. If the busbars have already been cast-welded, it can also be used, but there are many tools available for removing electrode groups from lead-acid batteries with cast-welded busbars, so the advantage of the electrode group removal tooling in this application is not very obvious.

[0022] like Figure 1 and Figure 2 As shown, the semi-finished lead-acid battery 1 includes a battery case 11 without a battery cover. The outer periphery of the opening of the battery case 11 is provided with a stepped structure 12 for use with the battery cover. The battery case 11 includes six individual cells, each containing a group of electrodes 13. Each group of electrodes 13 includes several alternately stacked positive and negative electrodes, collectively referred to as electrodes, with tabs on the top surface of each electrode.

[0023] like Figures 1-3 As shown, the present application discloses a electrode-removing tooling for rework of semi-finished lead-acid batteries, comprising a workbench 2, the workbench 2 having a placement area for placing semi-finished lead-acid batteries 1. A limiting mechanism 3 is provided near the placement area, the limiting mechanism 3 being used to vertically limit the semi-finished lead-acid batteries 1 placed in the placement area.

[0024] In the structure shown in the figure, the limiting mechanism 3 includes two pressure strips 31 located on opposite sides of the placement area on the workbench 2. The pressure strips 31 are made of angle iron, and some reinforcing plates are welded inside the angle iron. The two pressure strips 31 are arranged opposite each other and fixedly installed on the workbench 2 by support rods. The two directions on the workbench 2 without pressure strips 31 can be used for picking up and putting in the semi-finished lead-acid battery 1. The pressure strips 31 are used to cooperate with the stepped structure 12 to limit the semi-finished lead-acid battery 1 from above, and the semi-finished lead-acid battery 1 cannot move in the directions with pressure strips 31.

[0025] like Figure 1 , Figure 2 , Figure 4 As shown, the workbench 2 is equipped with a mounting bracket 5, which includes two vertical mounting arms 51. The two vertical mounting arms 51 are respectively located on the side where the pressure strip 31 is located. Each pressure strip 31 has a vertical mounting arm 51 on its outer side to avoid affecting the handling of semi-finished lead-acid batteries 1.

[0026] A pivot 52 is provided between the two vertical mounting arms 51, which is rotatably connected to the vertical mounting arms 51 and spans the placement area. The two ends of the pivot 52 are rotatably connected to the vertical mounting arms 51 through bearings 56.

[0027] A gear 53 is provided on the rotating shaft 52. The gear 53 can move along the axial direction of the rotating shaft 52, but cannot rotate circumferentially. A slider that can slide along the axial direction of the rotating shaft 52 is also fitted on the rotating shaft. A wrench action position 54 is provided on the outer circumferential surface of the slider. A wrench 55 that cooperates with the wrench action position 54 is used as a handle to rotate the rotating shaft 52.

[0028] The rotating shaft 52 has a raised rib 57 to prevent the slider and gear 53 from rotating circumferentially along the rotating shaft 52. The slider and gear 53 have grooves on their mounting surfaces that mate with the raised rib 57. Preferably, the slider and gear 53 are integrally formed so that they can move together, each time moving above the pole group 13 that needs to be pulled out.

[0029] like Figure 1 , Figure 2 , Figure 5 As shown, the electrode removal tool for rework of semi-finished lead-acid batteries in this application also includes an electrode clamping mechanism 4. The electrode clamping mechanism 4 includes a pliers 41 for clamping the electrode. The pliers 41 has two operating handles 42. The ends of the operating handles 42 are connected to a first chain 43. The two first chains 43 are connected to the same second chain 44. In use, a part of the second chain 44 is engaged with a gear 53. As the shaft 52 rotates, the gear 53 can drive the end of the second chain 44 connected to the first chain 43 to rise. Gradually, the electrode group is pulled out as the pliers 41 is lifted.

[0030] In use, the semi-finished lead-acid battery 1 is placed on the placement area of ​​the workbench 2. The pressure bar 31 limits the stepped structures 12 on both sides of the battery compartment 11. Then, one end of the second chain 44 passes over the gear 53 from above. The operator uses pliers to hold the electrode tabs with one hand and a wrench 55 to rotate the shaft 52 with the other. As the shaft 52 rotates, the gear 53 lifts the end of the second chain 44 connected to the first chain 43, thereby the pliers 41 gradually pulls the electrode group 13 out of the battery compartment 11. During operation, two operators can also work together, one operating the pliers 41 and the other operating the wrench 55. The entire operation process is time-saving and labor-saving, improves work efficiency, and reduces the possibility of contamination and damage to the electrode group and battery compartment.

Claims

1. A tool for extracting the electrode group of a semi-finished lead storage battery, the semi-finished lead storage battery being a lead storage battery with the electrode group inserted into the case and without the battery cover assembled, the electrode group comprising a plurality of plates, the top surface of the plates having tabs, characterized in that, The electrode assembly tooling includes: A workbench having a placement area for placing semi-finished lead-acid batteries; A limiting mechanism is used to vertically limit the semi-finished lead-acid battery placed in the placement area; A clamping lug mechanism includes a vise for clamping the lug, the vise having two operating handles, the ends of the operating handles being connected to a first chain, and the two first chains being connected to the same second chain; The mounting bracket, located on the workbench, includes two vertical mounting arms. A pivot shaft, rotatably connected to the vertical mounting arms and spanning the placement area, is provided between the two vertical mounting arms. The pivot shaft is provided with a gear for meshing with the second chain portion, and a handle for rotating the pivot shaft is also provided.

2. The group of plating tools for repairing a semi-finished lead-acid battery according to claim 1, wherein The limiting mechanism includes two pressure bars disposed on the workbench and located on opposite sides of the placement area. The pressure bars are used to limit the semi-finished lead-acid battery from above.

3. The group of plating tools for repairing a semi-finished lead-acid battery according to claim 2, wherein The semi-finished lead-acid battery includes a battery case, and the outer periphery of the opening of the battery case is provided with a stepped structure for use with the battery cover. The pressure strip is used to cooperate with the stepped structure to limit the semi-finished lead-acid battery.

4. The group of plating tools for repairing a semi-finished lead storage battery according to claim 1, wherein Both ends of the rotating shaft are rotatably connected to the vertical mounting arm via bearings.

5. The group of plating tools for repairing a semi-finished lead-acid battery according to claim 4, wherein The rotating shaft is provided with a wrench operating position, and a wrench that cooperates with the wrench operating position is used as the handle.

6. The group of plating tools for repairing a semi-finished lead-acid battery according to claim 5, wherein A slider that can slide along the axis of the shaft is fitted on the rotating shaft, and the outer peripheral surface of the slider is provided with the wrench actuation position; The gear is also axially slidably disposed with respect to the rotating shaft.

7. The group of plating tools for repairing a semi-finished lead-acid battery according to claim 6, wherein The rotating shaft is provided with a protruding strip to prevent the slider and gear from rotating circumferentially along the rotating shaft, and the slider and gear are provided with grooves on the mounting surface that are installed with the rotating shaft to cooperate with the protruding strip.

8. The group of plating tools for repairing a semi-finished lead-acid battery according to claim 6, wherein The slider and gear are integrally formed.

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