Accurate corrosion protection device for lead-acid battery terminal
By combining a frame, conveyor belt, support, and sealing spraying mechanism, automated anti-corrosion treatment of lead-acid battery terminals is achieved, solving the problem of terminal oxidation and corrosion under high temperature environment, and improving production efficiency and anti-corrosion effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- TIANNENG BATTERY GRP (JIANGXI) CO LTD
- Filing Date
- 2026-03-06
- Publication Date
- 2026-06-30
AI Technical Summary
In existing technologies, lead-acid battery terminals are prone to oxidation and corrosion under high-temperature environments. Manual application of anti-corrosion materials is inefficient, has poor uniformity, affects battery life, and poses a high risk of pollution.
The system employs a combination of frame, conveyor belt, support, and sealing spraying mechanism to achieve automated spraying of anti-corrosion materials. The positioning component accurately positions the components, the lifting component drives the spraying component, the sealing component prevents leakage, and the spraying component evenly sprays the anti-corrosion oil.
It achieves rapid and precise anti-corrosion treatment of lead-acid battery terminals, with a high degree of automation, improved efficiency, avoids contamination of other parts, adapts to existing production lines without large-scale modifications, and offers a quick return on investment.
Smart Images

Figure CN122298601A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of battery manufacturing equipment technology, specifically to a precision anti-corrosion protection device for lead-acid battery terminals. Background Technology
[0002] Lead-acid batteries are widely used energy storage devices in many fields such as power, communication, and transportation. In particular, the oxidation and corrosion of the terminals of lead-acid batteries used in high-temperature environments are particularly prominent. High temperature conditions accelerate the oxidation process of battery terminals, leading to increased contact resistance, affecting the normal operating efficiency of the battery, and reducing its service life.
[0003] Currently, the common anti-corrosion method in the industry is to manually apply anti-corrosion substances such as petroleum jelly to the surface of the battery terminals before the batteries leave the factory, in order to isolate the contact between oxygen in the air and the terminal metal, thereby delaying the oxidation and corrosion process. However, this manual operation method has many shortcomings: first, manual application is inefficient and cannot meet production needs; second, it is difficult to guarantee the uniformity of application, resulting in inconsistent anti-corrosion effects; third, during the battery's factory testing, the terminals often need to be wiped to ensure good electrical connection, and this process will remove the pre-applied anti-corrosion substances. In addition, if the application is not done properly, the anti-corrosion substances may contaminate other parts of the battery, affecting its appearance and function. Therefore, we need to propose a precise anti-corrosion protection device for lead-acid battery terminals. Summary of the Invention
[0004] The purpose of this invention is to provide a precision anti-corrosion protection device for lead-acid battery terminals. Through the arrangement of a frame, conveyor belt, support and sealing spraying mechanism, the sealing spraying mechanism can perform rapid and precise anti-corrosion treatment on a single battery terminal while the production line is running at high speed, so as to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, the present invention provides the following technical solution:
[0006] A precision corrosion protection device for lead-acid battery terminals includes:
[0007] The rack, and the internal part of the rack is equipped with a conveyor belt;
[0008] Two sets of brackets are symmetrically fixedly installed on the top of the frame;
[0009] Two sets of sealing spraying mechanisms are used to achieve precise spraying of anti-corrosion protective materials onto the terminals of lead-acid batteries, and the two sets of sealing spraying mechanisms are respectively set on the inner top of the two sets of brackets.
[0010] The sealing spraying mechanism includes a hollow column, a spraying component, a lifting component, a sealing component, and a positioning component;
[0011] The lifting assembly is installed on the top of the bracket, the spraying assembly is located at the bottom of the lifting assembly, the spraying assembly is located inside the hollow column, the sealing assembly is located at the bottom of the hollow column, and the positioning assembly is located on the top of the frame.
[0012] Preferably, the spraying assembly includes a fixed plate, four sets of spray nozzles, and hoses;
[0013] The fixed plate is installed at the top inside the hollow column, and the four sets of nozzles are all connected to the bottom of the fixed plate and arranged in a ring array. One end of the hose is connected to the top of the fixed plate.
[0014] Preferably, it also includes two sets of supply mechanisms for supplying oil to the spraying components, and the two sets of supply mechanisms are respectively installed on both sides of the frame. The supply mechanism includes a support plate, a plastic tank and a pressure tank.
[0015] The support plate is installed on one side of the frame, the plastic tank is placed on top of the support plate, the pressure tank is placed on top of the plastic tank, and the other end of the hose is connected to the top of the pressure tank.
[0016] Preferably, the lifting assembly includes a cylinder and a connecting plate;
[0017] The cylinder is fixedly installed on the top of the bracket, and the telescopic end of the cylinder passes through the bracket and is fixedly connected to the top of the connecting plate. The fixing plate is installed on the bottom of the connecting plate.
[0018] Preferably, the top of the hollow column is provided with two sets of guide rods, both sets of guide rods are slidably disposed on the inner top of the bracket, and the top ends of both sets of guide rods penetrate the bracket and are equipped with fixing rings.
[0019] Preferably, the sealing assembly includes a base and a sealing ring;
[0020] The base is installed at the bottom of the hollow column, and the sealing ring is installed at the bottom of the base.
[0021] Preferably, the positioning component includes two sets of positioning blocks and two sets of V-grooves;
[0022] The two sets of positioning blocks are symmetrically installed on the top of the frame, and V-grooves are respectively opened at the bottom of the two sets of positioning blocks.
[0023] Preferably, a controller is provided on one side of the frame, and both the cylinder and the pressure tank are electrically connected to the controller.
[0024] Compared with the prior art, the beneficial effects of the present invention are:
[0025] This invention utilizes a coordinated setup of a frame, conveyor belt, support, and sealing spraying mechanism. The positioning component in the sealing spraying mechanism can quickly position the battery on the conveyor belt after inspection. The lifting component drives the hollow column, spraying component, and sealing component to move synchronously. The hollow column cover is located on the outside of the battery terminals, and the bottom sealing component prevents leakage of anti-corrosion oil. This allows the spraying component to accurately and evenly spray the anti-corrosion oil onto the surface of the battery terminals, avoiding contamination of other parts of the battery. Processing a single battery takes only 1.5 seconds, without affecting the production line speed. The degree of automation is moderate, improving efficiency without excessively increasing complexity. Attached Figure Description
[0026] Figure 1 This is a schematic diagram of the structure of the present invention;
[0027] Figure 2 This is a schematic diagram of the sealing spraying mechanism of the present invention;
[0028] Figure 3 This is a schematic diagram of the supply mechanism of the present invention;
[0029] Figure 4 This is a schematic diagram of the positioning component of the present invention;
[0030] Figure 5 This is a schematic diagram of the hollow column, spraying assembly, lifting assembly, and sealing assembly of the present invention.
[0031] In the diagram: 1. Frame; 2. Conveyor belt; 3. Support; 4. Sealing spraying mechanism; 41. Hollow column; 42. Spraying assembly; 421. Fixed plate; 422. Spray nozzle; 423. Hose; 43. Lifting assembly; 431. Cylinder; 432. Connecting plate; 44. Sealing assembly; 441. Base; 442. Sealing ring; 45. Positioning assembly; 451. Positioning block; 452. V-groove; 5. Supply mechanism; 51. Support plate; 52. Plastic tank; 53. Pressure tank; 6. Guide rod; 7. Fixing ring; 8. Controller. Detailed Implementation
[0032] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0033] Please see Figure 1-5 The present invention provides a technical solution:
[0034] A precision anti-corrosion protection device for lead-acid battery terminals includes: a frame 1, with a conveyor belt 2 installed inside the frame 1; two sets of supports 3, symmetrically fixedly installed on the top of the frame 1; two sets of sealing spraying mechanisms 4 for precisely spraying anti-corrosion protective material onto the lead-acid battery terminals, with the two sets of sealing spraying mechanisms 4 respectively installed inside the top of the two sets of supports 3; the sealing spraying mechanism 4 includes a hollow column 41, a spraying component 42, a lifting component 43, a sealing component 44, and a positioning component 45; the lifting component 43 is installed on the top of the support 3, the spraying component 42 is installed at the bottom of the lifting component 43, the spraying component 42 is installed inside the hollow column 41, the sealing component 44 is installed at the bottom of the hollow column 41, and the positioning component 45 is installed on the top of the frame 1.
[0035] Through the cooperation of frame 1, conveyor belt 2, support 3 and two sets of sealing spraying mechanisms 4, the corrosion protection of lead-acid battery terminals is automated. The sealing spraying mechanism 4 integrates hollow column 41, spraying component 42, lifting component 43, sealing component 44 and positioning component 45. The structure is compact and the division of labor is clear. It can accurately perform anti-corrosion treatment on battery terminals and avoid contaminating other parts of the battery. Among them, the hollow column 41 is a hollow cylinder made of standard aluminum profile or ABS engineering plastic. It is economical, practical and lightweight. The inner diameter of the cylinder is designed according to the standard battery terminal size, generally the terminal diameter plus 3-5mm, to ensure that the terminal is completely covered. The height of the cylinder is 25-40mm, which is sufficient to completely cover the protruding part of the terminal. The overall design is easy to install in existing production lines without large-scale modification. It is highly adaptable and can improve production efficiency while ensuring processing quality. The investment payback period is short. Compared with manual operation, the equipment cost can be recovered within six months.
[0036] Specifically, the spraying assembly 42 includes a fixed plate 421, four sets of spray nozzles 422 and a hose 423; the fixed plate 421 is installed at the top inside the hollow column 41, the four sets of spray nozzles 422 are all connected to the bottom of the fixed plate 421 and are arranged in a ring array, and one end of the hose 423 is connected to the top of the fixed plate 421.
[0037] The system comprises a fixed plate 421, four sets of spray nozzles 422, and hoses 423. The fixed plate 421 is snap-fitted onto the inner wall of the hollow column 41 for easy cleaning and replacement. Simultaneously, the fixed plate 421 provides a stable mounting base for each spray nozzle 422, ensuring its fixed position and preventing inaccurate spraying due to nozzle misalignment. The four spray nozzles 422 are evenly distributed at 90°, reducing complexity while ensuring coverage. The spray nozzles 422 use commercially available standard atomizing nozzles with an orifice diameter of 0.3-0.4mm and a nozzle angle of 45°, pointing towards the center of the cylinder to form a cross-spray pattern. Anti-corrosion oil is delivered to the spray nozzles 422 via hoses 423, which use standard hose connections to simplify the piping system. The nozzle operating pressure is 0.2-0.3MPa, compatible with commonly used factory air pressure ranges.
[0038] It also includes two sets of supply mechanisms 5 for supplying oil to the spraying component 42, and the two sets of supply mechanisms 5 are respectively installed on both sides of the frame 1. The supply mechanism 5 includes a support plate 51, a plastic tank 52 and a pressure tank 53. The support plate 51 is installed on one side of the frame 1, the plastic tank 52 is set on the top of the support plate 51, the pressure tank 53 is set on the top of the plastic tank 52, and the other end of the hose 423 is connected to the top of the pressure tank 53.
[0039] With the support plate 51, plastic tank 52 and pressure tank 53, the support plate 51 provides a stable placement point for the plastic tank 52 and pressure tank 53. The plastic tank 52 is used to store the anti-corrosion oil. It is a standard 500ml transparent plastic tank 52, which is easy to observe the liquid level. The anti-corrosion oil supply adopts a simple pressure tank 53 design, which uses the existing compressed air in the factory for pressurization. The oil supply hose 423 adopts a common polyurethane pneumatic hose with an inner diameter of 4mm, which is inexpensive and easy to replace. It adopts a standard solenoid valve control switch, which does not require special parts. The simple filter device adopts a standard filter element and is installed on the oil supply line for easy replacement, avoiding excessive design that would increase costs.
[0040] Specifically, the lifting assembly 43 includes a cylinder 431 and a connecting plate 432; the cylinder 431 is fixedly installed on the top of the bracket 3, and the telescopic end of the cylinder 431 passes through the bracket 3 and is fixedly connected to the top of the connecting plate 432; the fixing plate 421 is installed on the bottom of the connecting plate 432.
[0041] With the cylinder 431 and the connecting plate 432, the cylinder 431 can drive the hollow column 41 and the spraying component 42 to move up and down through the connecting plate 432. The air source can be directly adopted from the existing compressed air system in the factory, without additional investment. The structure is simple and easy to control, which can ensure that the hollow column 41 is accurately aligned with the terminal and improve the operating efficiency. The connecting plate 432 and the fixed plate 421 are installed with a quick-installation interface, which is convenient for disassembly, cleaning and replacement.
[0042] In a further preferred embodiment, the top of the hollow column 41 is provided with two sets of guide rods 6, both sets of guide rods 6 are slidably disposed on the inner top of the bracket 3, and the top ends of both sets of guide rods 6 penetrate the bracket 3 and are equipped with fixing rings 7.
[0043] With the setting of two sets of guide rods 6 and fixing rings 7, the two sets of guide rods 6 at the top of the hollow column 41 can slide along the bracket 3 during the lifting process, ensuring the stability and verticality of the hollow column 41 during lifting, avoiding inaccurate spraying or poor sealing due to deviation. The fixing rings 7 at the top of the guide rods 6 can prevent them from falling off. The structural design is reliable and improves the stability of the device operation.
[0044] Specifically, the sealing assembly 44 includes a base 441 and a sealing ring 442; the base 441 is installed at the bottom of the hollow column 41, and the sealing ring 442 is installed at the bottom of the base 441.
[0045] With the base 441 and sealing ring 442, the base 441 facilitates the installation and replacement of the sealing ring 442. The sealing ring 442 forms an effective seal by lightly touching the battery surface, preventing the leakage of anti-corrosion materials and contamination of other parts of the battery. The sealing ring 442 adopts a common O-ring design, which is readily available and inexpensive. The material used is ordinary industrial silicone, balancing cost and service life. The base 441 and the hollow column 41 are fixed by a simple slot, which can be maintained without special tools. The sealing ring 442 is installed on the detachable base 441, and only the base 441 assembly needs to be replaced when replacement is required.
[0046] The positioning component 45 includes two sets of positioning blocks 451 and two sets of V-grooves 452; the two sets of positioning blocks 451 are symmetrically installed on the top of the frame 1, and the bottom of the two sets of positioning blocks 451 are respectively provided with V-grooves 452.
[0047] With the setting of two sets of positioning blocks 451 and two sets of V-grooves 452, the battery naturally enters the positioning area when it moves through the conveyor belt 2, without the need for an additional pushing mechanism. The two sets of positioning blocks 451 and V-grooves 452 can quickly position the battery on the conveyor belt 2, ensuring that the battery terminals are accurately aligned with the spraying mechanism. The positioning accuracy is controlled within ±2mm. The positioning process does not require stopping the conveyor belt 2 and does not affect the production line speed. In addition, the positioning blocks 451 are made of elastic material, which can avoid damaging the battery and improve positioning efficiency and reliability.
[0048] Specifically, a controller 8 is installed on one side of the frame 1, and the cylinder 431 and pressure tank 53 are electrically connected to the controller 8.
[0049] Through the configuration of controller 8, the cylinder 431 and pressure tank 53 can be automatically controlled, reducing manual intervention and improving production efficiency. The electrical connection principle of controller 8 is existing technology and will not be elaborated on here. Controller 8 uses an economical single-chip microcomputer control board, containing only the necessary control functions.
[0050] A simple control panel consisting of a few basic buttons and LED indicators;
[0051] Fixed parameter design, no complex parameter settings required;
[0052] Use readily available sensors to detect battery position, such as reflective photoelectric switches;
[0053] The control logic employs simple timing control to avoid complex algorithms;
[0054] Simple wiring terminals designed for maintenance personnel facilitate troubleshooting and maintenance;
[0055] It adopts DIN rail mounting, which facilitates installation and replacement inside the control box.
[0056] Working principle: When the present invention is used, after the battery has been tested at the factory, it is transported to the working area of the device by the conveyor belt 2 inside the frame 1. The positioning blocks 451 symmetrically installed on the top of the frame 1 quickly position the moving battery through the V-groove 452 at the bottom, ensuring that the battery terminals are accurately aligned with the sealing spraying mechanism 4. The conveyor belt 2 does not need to stop during the positioning process, and the battery can continue to move.
[0057] When the reflective photoelectric switch on the frame 1 detects the battery in position signal, the controller 8 on one side of the frame 1 receives the position signal and instructs the lifting assembly 43 to work. The cylinder 431 at the top of the bracket 3 extends and retracts, driving the connecting plate 432 and the hollow column 41 and the spraying assembly 42 below to descend synchronously. The guide rod 6 at the top of the hollow column 41 slides along the top of the bracket 3 to ensure the stability of the descent process. After the hollow column 41 descends to the predetermined position, the sealing ring 442 on its bottom base 441 makes light contact with the battery surface to form a sealed environment.
[0058] Subsequently, the controller 8 commands the pressure tank 53 in the supply unit to work. The anti-corrosion oil stored in the plastic tank 52 is delivered to the fixed plate 421 at the top of the hollow column 41 through the hose 423 under pressure. Then, it is atomized and sprayed out by four sets of nozzles 422 arranged in a ring array at the bottom of the fixed plate 421, and evenly covers the surface of the battery terminal covered by the hollow column 41.
[0059] After the controller 8 counts for 0.5 seconds, it shuts off the anti-corrosion oil supply. At the same time, the cylinder 431 drives the hollow column 41 and the spraying component 42 to rise and reset. The battery continues to be transported to the next stage by the conveyor belt 2. When the next battery enters the working area, the above process is repeated. The entire process is automated and the processing cycle is controlled within 1.5 seconds, ensuring that the production line does not slow down due to anti-corrosion treatment.
[0060] Although embodiments of the invention 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 to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A precision anti-corrosion protection device for lead-acid battery terminals, characterized in that, include: The frame (1) is equipped with a conveyor belt (2). Two sets of brackets (3) are symmetrically fixedly installed on the top of the frame (1); Two sets of sealing spraying mechanisms (4) are used to achieve precise spraying of anti-corrosion protective materials on the terminals of lead-acid batteries, and the two sets of sealing spraying mechanisms (4) are respectively set on the inner top of the two sets of brackets (3); The sealing spraying mechanism (4) includes a hollow column (41), a spraying component (42), a lifting component (43), a sealing component (44), and a positioning component (45). The lifting assembly (43) is installed on the top of the bracket (3), the spraying assembly (42) is located at the bottom of the lifting assembly (43), the spraying assembly (42) is located inside the hollow column (41), the sealing assembly (44) is located at the bottom of the hollow column (41), and the positioning assembly (45) is located on the top of the frame (1).
2. The precision anti-corrosion protection device for lead-acid battery terminals according to claim 1, characterized in that: The spraying assembly (42) includes a fixed plate (421), four sets of spray nozzles (422) and a hose (423). The fixed plate (421) is installed at the top inside the hollow column (41). The four sets of nozzles (422) are all connected to the bottom of the fixed plate (421) and are arranged in a ring array. One end of the hose (423) is connected to the top of the fixed plate (421).
3. The lead-acid battery terminal precision anti-corrosion protection device according to claim 2, characterized in that: It also includes two sets of supply mechanisms (5) for supplying oil to the spraying assembly (42), and the two sets of supply mechanisms (5) are respectively installed on both sides of the frame (1). The supply mechanism (5) includes a support plate (51), a plastic tank (52) and a pressure tank (53). The support plate (51) is installed on one side of the frame (1), the plastic tank (52) is set on the top of the support plate (51), the pressure tank (53) is set on the top of the plastic tank (52), and the other end of the hose (423) is connected to the top of the pressure tank (53).
4. The lead-acid battery terminal precision anti-corrosion protection device according to claim 3, characterized in that: The lifting assembly (43) includes a cylinder (431) and a connecting plate (432). The cylinder (431) is fixedly installed on the top of the bracket (3), and the telescopic end of the cylinder (431) passes through the bracket (3) and is fixedly connected to the top of the connecting plate (432). The fixing plate (421) is installed on the bottom of the connecting plate (432).
5. The lead-acid battery terminal precision anti-corrosion protection device according to claim 4, characterized in that: The hollow column (41) is provided with two sets of guide rods (6) at the top. Both sets of guide rods (6) are slidably disposed on the inner top of the bracket (3), and the top ends of both sets of guide rods (6) penetrate the bracket (3) and are fitted with fixing rings (7).
6. The lead-acid battery terminal precision anti-corrosion protection device according to claim 5, characterized in that: The sealing assembly (44) includes a base (441) and a sealing ring (442). The base (441) is installed at the bottom of the hollow column (41), and the sealing ring (442) is installed at the bottom of the base (441).
7. A precision anti-corrosion protection device for lead-acid battery terminals according to claim 6, characterized in that: The positioning component (45) includes two sets of positioning blocks (451) and two sets of V-grooves (452); The two sets of positioning blocks (451) are symmetrically installed on the top of the frame (1), and the bottom of the two sets of positioning blocks (451) are respectively provided with V-shaped grooves (452).
8. The lead-acid battery terminal precision anti-corrosion protection device according to claim 7, characterized in that: A controller (8) is provided on one side of the frame (1), and the cylinder (431) and pressure tank (53) are electrically connected to the controller (8).