A new type of battery brush device for reducing the excess paste on the plate

Abstract

The utility model discloses a novel battery reduces the brush device of the paste of pole plate, including stand, crossbeam and mounting bracket, two stand are installed respectively in the both ends of crossbeam, and the bottom fixedly connected with base, the end of crossbeam is installed with lifting assembly, a plurality of mounting bracket all movably cover set on the outer ring of crossbeam, and the one side threaded connection of mounting bracket has the location bolt no.

Description

Technical Field

[0001] This utility model belongs to the technical field of battery production equipment, and in particular relates to a novel brush device for reducing residual paste on battery plates. Background Technology

[0002] In the industrial production process of lead-acid batteries, the plate coating process is one of the core steps that determines the battery's performance and quality. This process requires uniformly coating a slurry containing active materials such as lead paste (hereinafter referred to as "residual paste") onto the grid surface to form plates with charging and discharging capabilities.

[0003] However, traditional coating processes are limited by equipment precision and operating procedures, and generally suffer from residual paste. Specifically, this manifests as uneven coating of slurry on the electrode surface and excessive paste accumulation at the base of the electrode tabs. If these residual pastes are not cleaned in time before subsequent processes, they will affect the quality of battery production. Utility Model Content

[0004] This utility model addresses the problems in the prior art by proposing the following technical solution: A novel brush device for reducing residual grease on battery plates includes columns, a crossbeam, and mounting brackets. Two columns are respectively installed at both ends of the crossbeam, and a base is fixedly connected to the bottom end. A lifting assembly is installed at the end of the crossbeam. Several mounting brackets are movably sleeved on the outer ring of the crossbeam, and a positioning bolt is threaded to one side of each mounting bracket. One end of the positioning bolt abuts against the outer side of the crossbeam. A detachable brush is installed on each mounting bracket.

[0005] As a preferred embodiment of the above technical solution, the fixing frame has a through opening, and a threaded hole communicating with the through opening is provided on one side of the fixing frame. The brush is inserted into the through opening, and a positioning bolt is threadedly connected to the threaded hole. One end of the positioning bolt abuts against the brush.

[0006] As a preferred embodiment of the above technical solution, the brush adopts at least two material structures: one is made of wear-resistant nylon, and the other is made of comb-like structure.

[0007] As a preferred embodiment of the above technical solution, the lifting assembly includes an elastic plate and a fastening bolt. The elastic plate is fixed to the end of the crossbeam, the column is located between the two elastic plates, and the column is provided with an opening. One end of the fastening bolt passes through the two elastic plates and is threaded with a nut.

[0008] As a preferred embodiment of the above technical solution, a pulley is provided on the side of the column near the crossbeam, and the inner ring of the pulley is fitted with a rotating shaft, which is fixedly connected to the elastic plate.

[0009] The beneficial effects of this utility model are as follows: 1. The fixing frame of this utility model can slide along the crossbeam and lock its position by positioning bolts. It can adjust the brush spacing according to the width of the electrode plate and the distribution of the electrode ears to clean the residual paste in different areas. The brush is detachable, which is convenient for subsequent replacement, cleaning or maintenance, ensuring the cleaning effect is continuous and stable, and effectively avoiding affecting the subsequent generation quality of the battery. 2. This utility model allows for adjustment of the beam height by tightening and loosening bolts and nuts, utilizing the elastic deformation of the elastic plate. The adjustment process is smooth and precise, ensuring consistent cleaning results by controlling the fit between the brush and the electrode plate. Furthermore, the clamping structure between the elastic plate and the column provides a more stable fixation of the beam after lifting, preventing loosening or shifting over time. This enhances the device's operational stability and lifespan. The simple and compact design, without complex transmission components, reduces the failure rate and minimizes equipment maintenance costs and downtime. Attached Figure Description

[0010] Figure 1 The diagram shown is a structural schematic of a novel brush device for reducing residual grease on battery plates in an embodiment. Figure 2 What is shown is Figure 1 Enlarged schematic diagram of the structure at point A in the diagram.

[0011] Explanation of reference numerals in the attached figures: 10. Column; 11. Base; 20. Horizontal beam; 21. Elastic plate; 22. Rotating shaft; 23. Pulley; 24. Fastening bolt; 25. Nut; 30. Fixing frame; 31. Positioning bolt one; 32. Positioning bolt two; 40. Brush. Detailed Implementation

[0012] To make the objectives, technical solutions, and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0013] If residual battery paste is not cleaned up in time before subsequent processes, it will cause a series of chain problems, seriously affecting battery production quality and economic benefits. From a battery performance and safety perspective, residual paste at the tabs undergoes physical changes after the plates have been cured and dried, making it prone to clumping and detachment. During battery assembly, these free paste particles may puncture the internal separator, causing direct contact between the positive and negative electrodes and triggering an internal short circuit. This can result in battery bulging and a sudden drop in capacity, or even fire and explosion. Furthermore, residual paste disrupts the uniformity of the active materials on the plates, leading to uneven current distribution during charging and discharging. This significantly reduces cycle life (typically decreasing the number of cycles by 20%-30%), increases internal resistance, and affects charging and discharging efficiency and high-current discharge capability, ultimately resulting in poor battery performance stability and a shortened lifespan. From the perspective of production efficiency and cost, in traditional processes, residual paste that is not cleaned up in a timely manner mostly enters subsequent processes along with the electrode plate processing flow or is directly discarded as waste. On the one hand, the main component of residual paste is high-priced core raw materials such as lead paste. Randomly discarding it will lead to a significant decrease in the utilization rate of raw materials (usually only 75%-80%), directly increasing the material cost per unit battery and eroding production profits. On the other hand, if residual paste is piled up for a long time without being recycled, the lead and other heavy metals it contains will pollute the production environment through dust diffusion and wastewater seepage. This not only violates environmental protection regulations but also requires additional costs for pollution control and faces the risk of fines or production shutdowns for rectification by regulatory authorities. In addition, scattered residual paste will also contaminate production equipment such as coating machines and rolling mills, causing quality defects such as stains and uneven thickness in the subsequently produced electrode plates, further reducing production efficiency and product qualification rate. In summary, the problem of untimely and incomplete cleaning of residual paste in traditional coating processes has become a key bottleneck restricting the battery industry from improving product quality, controlling costs, and achieving green production.

[0014] Example like Figure 1 and Figure 2 As shown, a novel brush device for reducing residual grease on battery plates includes a column 10, a crossbeam 20, and a fixing frame 30. Two columns 10 are respectively installed at both ends of the crossbeam 20, and a base 11 is fixedly connected to the bottom end. A lifting component is installed at the end of the crossbeam 20. Several fixing frames 30 are movably sleeved on the outer ring of the crossbeam 20, and a positioning bolt 31 is threadedly connected to one side of the fixing frame 30. One end of the positioning bolt 31 abuts against the outer side of the crossbeam 20. A detachable brush 40 is installed on the fixing frame 30.

[0015] It should be noted that the base 11 and the column 10 cooperate to provide stable support for the entire device, preventing equipment shaking during cleaning operations from affecting the accuracy of residual paste cleaning. The lifting assembly can flexibly adjust the height of the crossbeam 20 to accommodate electrode plates of different thicknesses, expanding the applicability of the device. The fixing frame 30 can slide along the crossbeam 20 and is locked in position by the positioning bolt 31. The spacing of the brushes 40 can be adjusted according to the width of the electrode plate and the distribution of the electrode ears, allowing for targeted cleaning of residual paste in different areas. The brushes 40 are detachable, facilitating subsequent replacement, cleaning, or maintenance, ensuring continuous and stable cleaning results.

[0016] like Figure 1 As shown, the fixing frame 30 has a through opening, and a threaded hole communicating with the through opening is opened on one side of the fixing frame 30. The brush 40 is inserted into the through opening, and a positioning bolt 32 is threadedly connected to the threaded hole. One end of the positioning bolt 32 abuts against the brush 40.

[0017] It should be noted that the plug-in installation, coupled with the locking of positioning bolt 232, ensures a more secure fixation of the brush 40. This prevents the brush 40 from shifting due to vibrations during electrode conveying, ensuring even cleaning force. Furthermore, the assembly and disassembly process is simple and quick, requiring no complex tools, reducing downtime for brush 40 replacements and improving production efficiency. The threaded connection allows for fine-tuning of the brush 40 insertion depth to accommodate different cleaning needs, preventing damage to the electrode from excessive insertion or incomplete cleaning from insufficient insertion.

[0018] like Figure 1 As shown, the brush 40 uses at least two material structures: one is made of wear-resistant nylon, and the other is made of comb-like structure.

[0019] Based on the actual size parameters of the existing grid in the factory (including grid length, width, electrode tab position and spacing, etc.) and the appearance and structural features of the grid, the device adopts a modular design concept. Each brush 40 can adjust the axial position, height and angle. The brush 40 is made of wear-resistant nylon material and uses PA66 nylon filaments with moderate hardness to avoid damaging the grid. Its core function is to perform preliminary cleaning of the surface of the electrode plate after coating, brush off the excess slurry on the surface, ensure the flatness of the electrode plate surface, and at the same time guide the brushed residual paste into the recovery funnel below to achieve preliminary recovery. The brush 40, which adopts a comb-like structure, has a tooth spacing that corresponds one-to-one with the spacing between the electrode tabs. The height of the brush 40 can be finely adjusted according to the height of the electrode tabs (adjustment range 0-5mm). During operation, the comb-like bristles precisely fit the root of the electrode tabs, thoroughly removing the residual paste accumulated at the electrode tabs and preventing the residual paste from solidifying at the root of the electrode tabs, thereby reducing the risk of internal short circuits in the battery from the source.

[0020] like Figure 1 and Figure 2 As shown, the lifting assembly includes an elastic plate 21 and a fastening bolt 24. The elastic plate 21 is fixed to the end of the crossbeam 20. The column 10 is located between the two elastic plates 21 and has an opening 12. One end of the fastening bolt 24 passes through the two elastic plates 21 and 12 and is threaded with a nut 25.

[0021] Specifically, by tightening and loosening the bolts 24 and nuts 25, the height of the crossbeam 20 can be adjusted by the elastic deformation of the elastic plate 21. The adjustment process is smooth and can precisely control the fit between the brush 40 and the electrode plate, ensuring consistent cleaning results. The clamping structure between the elastic plate 21 and the column 10 makes the crossbeam 20 more securely fixed after raising and lowering, preventing loosening or displacement due to long-term use. This improves the stability and service life of the device. The simple and compact structural design, without complex transmission components, reduces the failure rate and minimizes equipment maintenance costs and downtime.

[0022] like Figure 1 and Figure 2As shown, a pulley 23 is provided on the side of the column 10 near the crossbeam 20. The inner ring of the pulley 23 is fitted with a rotating shaft 22, and the rotating shaft 22 is fixedly connected to the elastic plate 21.

[0023] Specifically, pulley 23 converts the sliding friction of the crossbeam 20 during lifting and lowering into rolling friction, significantly reducing adjustment resistance, making height adjustment smoother and easier, reducing operational difficulty, reducing frictional wear, protecting the contact surfaces of the column 10 and the elastic plate 21, preventing component wear and deformation due to long-term adjustment, and extending the service life of the lifting assembly. Simultaneously, rolling contact ensures uniform force distribution during the lifting and lowering of the crossbeam 20, preventing jamming and tilting, ensuring the brush 40 remains parallel to the electrode plate, and improving the uniformity of residual grease removal.

[0024] In actual production applications, operators can adjust the position of each brush 40 according to the type of electrode plate (such as positive electrode plate and negative electrode plate) and specifications (grid size corresponding to different capacity levels) to achieve precise matching between the device and the electrode plate, ensuring that different types of electrode plates can be efficiently cleaned of residual paste.

[0025] During the cleaning process, all the excess paste brushed off is collected in the excess paste recovery tank through the recovery funnel below each brush 40. After being screened and impurities removed, the recovered excess paste can be reused in the coating slurry preparation process, realizing the recycling of raw materials. The application of this brush device can increase the recovery rate of residual electrode paste to over 95%, improve the utilization rate of raw materials by 15%-20%, and significantly reduce the internal short-circuit failure rate of the battery (by more than 80%). It effectively improves the cycle life and performance stability of the battery, and has significant economic and environmental benefits, providing strong support for high-quality production in the battery industry.

[0026] The above embodiments are only used to illustrate the technical solution of this utility model, and are not intended to limit it.

Claims

1. A novel brush device for reducing residual grease on battery plates, characterized in that, It includes columns (10), beams (20) and fixing frames (30). Two columns (10) are respectively installed at both ends of the beams (20) and the bottom ends are fixedly connected to bases (11). Lifting components are installed at the ends of the beams (20). Several fixing frames (30) are movably sleeved on the outer ring of the beams (20). A positioning bolt (31) is threaded on one side of the fixing frame (30). One end of the positioning bolt (31) abuts against the outer side of the beams (20). A detachable brush (40) is installed on the fixing frame (30).

2. The novel brush device for reducing residual grease on battery plates according to claim 1, characterized in that, The fixing frame (30) has a through opening, and a threaded hole communicating with the through opening is provided on one side of the fixing frame (30). The brush (40) is inserted into the through opening, and a positioning bolt (32) is threadedly connected to the threaded hole. One end of the positioning bolt (32) abuts against the brush (40).

3. The novel brush device for reducing residual grease on battery plates according to claim 1, characterized in that, The brush (40) uses at least two material structures, one is made of wear-resistant nylon and the other is made of comb-like structure.

4. The novel brush device for reducing residual grease on battery plates according to claim 1, characterized in that, The lifting assembly includes an elastic plate (21) and a fastening bolt (24). The elastic plate (21) is fixed to the end of the crossbeam (20). The column (10) is located between the two elastic plates (21) and has an opening (12). One end of the fastening bolt (24) passes through the two elastic plates (21) and (12) and is threaded with a nut (25).

5. A novel brush device for reducing residual grease on battery plates according to claim 1, characterized in that, A pulley (23) is provided on the side of the column (10) near the crossbeam (20). The inner ring of the pulley (23) is fitted with a rotating shaft (22), and the rotating shaft (22) is fixedly connected to the elastic plate (21).

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