Battery terminal oiling head

Abstract

The utility model relates to the production field of battery, concretely is a kind of battery terminal oiling head, including positioning assembly, mechanical arm, oil delivery component and brush head interval spacing component, header tank is set in base top, for collecting the redundant oil liquid dripping in the process of oiling, support plate is fixed in header tank one end, threaded rod one penetrates support plate middle part, one end connects push plate, the other end is equipped with hand wheel, the utility model is through the cooperation of push plate and fixed plate, and the effect of clamp plate, damping and spring, different specifications of battery can be firmly fixed position, avoid the deviation of battery in the process of oiling, ensure the accurate alignment of oiling head and terminal, to improve the oiling quality.

Description

Technical Field

[0001] This utility model relates to the field of storage battery production, specifically to a storage battery terminal oiling head. Background Technology

[0002] With the rapid development of the new energy industry, the demand for batteries, as the core component of energy storage and power supply, is constantly increasing, and the requirements for the quality and performance of batteries are also increasing. In the prior art, the device disclosed in Chinese Patent Publication No. CN201721613242.3 uses a tray assembly to support the workpiece to be coated with oil, a spraying mechanism to spray the workpiece to be coated with oil, and a drive mechanism to drive the tray assembly to move relative to the spraying mechanism so that the spraying mechanism can spray different parts of the workpiece to be coated with oil.

[0003] However, the device lacks an effective positioning mechanism, which cannot guarantee the precise alignment between the oiling head and the terminal. Misalignment is prone to occur during the oiling process, affecting the oiling quality. Furthermore, the device lacks an oil recovery function, and the oil dripping during the oiling process will pollute the production environment, causing not only a waste of resources but also an increase in subsequent cleaning costs.

[0004] Therefore, there is an urgent need for a battery terminal oiling device that can achieve automated and uniform oiling. Utility Model Content

[0005] The purpose of this invention is to provide a battery terminal oiling head to solve the problems of low oiling efficiency and uneven oiling in the prior art.

[0006] This utility model discloses a battery terminal oiling head, which includes a positioning component, a robotic arm, an oil delivery component, and a brush head spacing adjustment component. The positioning component is used to fix the battery and ensure its stability during the oiling process. The robotic arm connects the positioning component and the oil delivery component, and plays a supporting and transmission role. The oil delivery component is responsible for delivering oil to the oiling area. The brush head spacing adjustment component can adjust the spacing between the brush head and the terminal according to the size of the battery terminal to ensure the oiling effect.

[0007] As a further description of the above technical solution:

[0008] The positioning assembly includes a base, a collection tank, a support plate, a threaded rod, a push plate, a handwheel, and a positioning rod. The base serves as the fundamental support for the entire device. The collection tank is located at the top of the base and is used to collect excess oil dripping during the oiling process. The support plate is fixed to one end of the collection tank. The threaded rod passes through the middle of the support plate, with one end connected to the push plate and the other end equipped with a handwheel. By rotating the handwheel, the threaded rod can be driven to rotate, thereby pushing the push plate to move and clamping the battery. The positioning rod is located on both sides of the threaded rod, with one end fixedly connected to the push plate, serving to assist in positioning and stabilize the push plate.

[0009] As a further description of the above technical solution:

[0010] The oil delivery assembly includes an oil tank, a positioning plate, flange one, flange two, fixing bolts, an oil delivery pipe, and an air compressor. The oil tank is used to store oil, and its bottom is equipped with a positioning plate. It is connected to the robotic arm through flange one, flange two, and fixing bolts to ensure the stable installation of the oil delivery assembly.

[0011] As a further description of the above technical solution:

[0012] The oil tank has symmetrical oil delivery pipes at one end to transport the oil to the brush head spacing adjustment assembly. Air compressors are symmetrically located at both ends of the oil tank, with their air outlet pipes fixed by brackets and nozzles at the bottom. The nozzles spray compressed air generated by the air compressor onto the oil, ensuring that the oil is evenly sprayed from the oil delivery pipes and improving the coating effect.

[0013] As a further description of the above technical solution:

[0014] The brush head spacing adjustment assembly includes a housing, a movable block, a threaded rod II, a knob, a fixing rod, and a brush head. The movable block is symmetrically arranged inside the housing. A threaded rod II runs through the center of each movable block, extending to the outer end of the housing and where a knob is located. By rotating the knob, the extension and retraction of the threaded rod II can be adjusted, thereby moving the movable block and adjusting the spacing between the brush head and the battery terminals.

[0015] As a further description of the above technical solution:

[0016] The fixing rod runs through both ends of the movable block, serving to fix and guide the movable block. The brush head is located at the bottom of the movable block, and its top end is connected to one end of the oil supply pipe, used to evenly apply oil to the battery terminals.

[0017] As a further description of the above technical solution:

[0018] The top of the fuel tank is equipped with a fuel inlet, and a sealing cap is threaded onto the top of the fuel inlet. The sealing cap has a rubber sealing ring on the inside to seal the fuel tank and prevent fuel leakage. A transparent observation window is provided on one side of the fuel tank, and the surface of the observation window has scale lines to facilitate observation of the remaining amount of fuel in the tank and timely replenishment of fuel.

[0019] As a further description of the above technical solution:

[0020] The bottom of the collection tank is equipped with a drain port, and a control valve is located in the middle of the drain port to control the discharge of excess oil in the collection tank. The bottom of the collection tank is inclined, with the inclination direction facing the drain port, so that excess oil can flow smoothly into the drain port and be discharged, thus improving the collection effect.

[0021] The present invention has the following advantages: 1. The present invention, through the cooperation of the push plate and the fixed plate, as well as the action of the clamp, damping and spring, can firmly position batteries of different specifications, avoid the batteries from shifting during the oiling process, ensure the precise alignment of the oiling head and the terminals, and thus improve the oiling quality.

[0022] 2. This utility model can collect the oil dripping during the oiling process through the collection tank, avoiding oil waste. At the same time, the inclined design at the bottom of the collection tank and the setting of the drain port make it easy to recycle and reuse the collected oil. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0024] Figure 2 This is a schematic diagram of the overall structure of the positioning component of this utility model;

[0025] Figure 3 This is a partial enlarged view of the positioning component of this utility model;

[0026] Figure 4 This is a schematic diagram of the overall structure of the oil conveying assembly of this utility model;

[0027] Figure 5 This is a schematic diagram of the overall structure of the brush head spacing adjustment component of this utility model.

[0028] The attached figures are labeled as follows:

[0029] 1. Positioning assembly; 11. Base; 12. Liquid collection tank; 13. Support plate; 14. Push plate; 15. Threaded rod one; 16. Positioning rod; 17. Fixing plate; 18. Clamping plate; 19. Damping; 110. Spring; 2. Robotic arm; 3. Oil delivery assembly; 31. Oil delivery pipe; 32. Flange one; 33. Flange two; 34. Fixing bolt; 35. Oil tank; 36. Air compressor; 37. Nozzle; 38. Bracket; 4. Brush head spacing adjustment assembly; 41. Outer shell; 42. Movable block; 43. Threaded rod two; 44. Fixing rod; 45. Brush head. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The utility model will be further described in detail below with reference to the accompanying drawings.

[0032] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0033] As attached Figure 1 To be continued Figure 5 The present invention provides a battery terminal oiling head, including a positioning component 1, a robotic arm 2, an oil delivery component 3, and a brush head spacing adjustment component 4. The robotic arm 2 is disposed at the top of the positioning component 1, the oil delivery component 3 is installed at one end of the robotic arm 2, and the brush head spacing adjustment component 4 is installed at the bottom of the oil delivery component 3.

[0034] The connection between the robotic arm 2 and the positioning component 1 provides a stable installation foundation for the oil delivery component 3 and the brush head adjustment component 4. At the same time, the robotic arm 2 can drive the oil delivery component 3 and the brush head adjustment component 4 to move in multiple directions, realizing the oiling operation at different positions of the battery terminals. The connection between the oil delivery component 3 and the robotic arm 2 ensures the installation stability of the oil delivery component 3 and facilitates the synchronous movement of the oil delivery component 3 by the robotic arm 2. The connection between the brush head adjustment component 4 and the oil delivery component 3 enables the oil delivery component 3 to deliver lubricating oil to the brush head adjustment component 4, providing a guarantee for the oiling operation.

[0035] Example 1

[0036] Specifically, the positioning component 1 includes a base 11, a liquid collection tank 12 at the top of the base 11, a support plate 13 at one end of the liquid collection tank 12, a threaded rod 15 passing through the middle of the support plate 13, a push plate 14 at one end of the threaded rod 15, a handwheel at the end of the threaded rod 15 away from the push plate 14, and positioning rods 16 on both sides of the threaded rod 15, with one end of the positioning rod 16 fixedly connected to one end of the push plate 14.

[0037] The connection between the base 11 and the collection tank 12 provides a stable installation support for the collection tank 12, ensuring its stability during use. The connection between the collection tank 12 and the support plate 13 allows the support plate 13 to be stably installed on the collection tank 12, providing an installation carrier for the threaded rod 15 and the positioning rod 16. The through connection between the support plate 13 and the threaded rod 15 allows the threaded rod 15 to move on the support plate 13 by rotating the handwheel, thereby pushing the push plate 14 to move. The connection between the threaded rod 15 and the push plate 14 allows the threaded rod 15 to drive the push plate 14 to move synchronously, realizing the clamping operation of the battery. The fixed connection between the positioning rod 16 and the push plate 14, as well as the through fit between the positioning rod 16 and the support plate 13, guides the movement of the push plate 14, preventing the push plate 14 from deviating during movement and ensuring the smoothness of the push plate 14's movement.

[0038] In addition, the positioning component 1 also includes a fixing plate 17, which is disposed at the end of the liquid collection tank 12 away from the support plate 13. The fixing plate 17 is L-shaped, and the top of the fixing plate 17 is provided with a mounting groove. The mounting groove is symmetrically provided with clamping plates 18, and one end of the clamping plates 18 is symmetrically provided with dampers 19. One end of the dampers 19 is fixedly connected to the inner wall of the mounting groove, and the outer end of the dampers 19 is fitted with a spring 110. The connection between the fixing plate 17 and the liquid collection tank 12 allows the fixing plate 17 to be stably installed on the liquid collection tank 12. The L-shaped structural design can limit one end of the battery, and cooperate with the push plate 14 to clamp and fix the battery.

[0039] Furthermore, the connection between the fixing plate 17 and the clamping plate 18 provides installation space for the clamping plate 18 through the mounting groove, allowing the clamping plate 18 to move within the mounting groove; the connection between the clamping plate 18 and the damper 19, and the fixed connection between the damper 19 and the inner wall of the mounting groove, allow the damper 19 to slow down the movement speed of the clamping plate 18, preventing the clamping plate 18 from rapidly impacting the battery due to excessive elasticity of the spring 110; the spring 110 is sleeved on the outer end of the damper 19, and the elasticity of the spring 110 can push the clamping plate 18 towards the battery, achieving lateral clamping of the battery and further improving the stability of the battery positioning.

[0040] Example 2

[0041] Based on Example 1, in order to further achieve rapid oiling of the terminals, an oil delivery assembly was installed at one end of the robotic arm.

[0042] Specifically, the oil delivery assembly 3 includes an oil tank 35, a positioning plate at the bottom of the oil tank 35, a flange 2 33 at the bottom of the positioning plate, a flange 1 32 at the bottom of the flange 2 33, and a fixing bolt 34 connecting the flange 1 32 and the flange 2 33. A symmetrical oil delivery pipe 31 is provided at one end of the oil tank 35. The connection between the oil tank 35 and the positioning plate provides a carrier for the installation of the flange 2 33, enabling the flange 2 33 to be stably installed at the bottom of the oil tank 35. The connection between the positioning plate and the flange 2 33 ensures the installation stability of the flange 2 33.

[0043] Among them, the connection between flange 2 33 and flange 1 32 through fixing bolt 34 realizes the detachable connection between the positioning plate and subsequent components, which not only ensures the stability of the connection, but also facilitates subsequent maintenance and repair; the connection between oil tank 35 and oil supply pipe 31 allows the lubricating oil in oil tank 35 to be transported to brush head through oil supply pipe 31, providing lubricating oil for oiling operation.

[0044] In addition, the oil delivery assembly 3 also includes an air compressor 36, which is symmetrically arranged at both ends of the oil tank 35. One end of the air compressor 36 is provided with an air outlet pipe, and one end of the air outlet pipe is provided with a bracket 38. The bottom end of the air outlet pipe is provided with a nozzle 37. The connection between the air compressor 36 and the oil tank 35 allows the air compressor 36 to be stably installed on the oil tank 35 and move synchronously with the oil tank 35. The connection between the air compressor 36 and the air outlet pipe allows the compressed air generated by the air compressor 36 to be delivered to the nozzle 37 through the air outlet pipe.

[0045] Furthermore, the connection between the air outlet pipe and the bracket 38 allows the bracket 38 to support and fix the air outlet pipe, ensuring its stability during use and preventing it from shifting due to its own weight or airflow impact. The connection between the air outlet pipe and the nozzle 37 allows compressed air to be evenly sprayed onto the oiling area of ​​the battery terminals through the nozzle 37, achieving even blowing and drying of the lubricating oil.

[0046] Specifically, the brush head spacing adjustment component 4 includes a housing 41, inside which movable blocks 42 are symmetrically arranged. A threaded rod 43 is passed through the middle of the movable block 42 and extends to the outer end of the housing 41. A knob is provided on the extension of the threaded rod 43. Fixed rods 44 are provided on both sides of the threaded rod 43 and pass through both ends of the movable block 42. A brush head 45 is provided at the bottom of the movable block 42 and the top of the brush head 45 is connected to one end of the oil supply pipe 31.

[0047] The connection between the outer shell 41 and the movable block 42 provides installation space for the movable block 42 and limits its movement. The through connection between the movable block 42 and the threaded rod 43 allows the movable block 42 to move along the length of the threaded rod 43 when the knob is turned to rotate the threaded rod 43. The through connection between the threaded rod 43 and the outer shell 41 ensures the stability of the threaded rod 43 during rotation. The fixed connection between the fixed rod 44 and the outer shell 41, as well as the through connection between the fixed rod 44 and the movable block 42, guides the movement of the movable block 42, preventing it from rotating with the threaded rod 43 and ensuring that the movable block 42 can move smoothly along the fixed rod 44.

[0048] Furthermore, the connection between the movable block 42 and the brush head 45 enables the movable block 42 to drive the brush head 45 to move synchronously, thereby adjusting the spacing between the brush heads 45; the connection between the brush head 45 and the oil supply pipe 31 allows the lubricating oil delivered by the oil supply pipe 31 to enter the brush head 45, and the lubricating oil is applied to the surface of the battery terminals through the brush head 45.

[0049] Furthermore, the top of the oil tank 35 is equipped with an oil filling port, and a sealing cap is threadedly connected to the top of the oil filling port. A rubber sealing ring is provided inside the sealing cap. A transparent observation window is provided on one side of the oil tank 35, and scale lines are provided on the surface of the observation window. The connection between the oil filling port and the oil tank 35 makes it convenient for operators to add lubricating oil into the oil tank 35 through the oil filling port. The threaded connection between the sealing cap and the oil filling port facilitates the installation and removal of the sealing cap, and at the same time, the threaded connection can ensure the sealing performance of the connection between the sealing cap and the oil filling port.

[0050] Furthermore, the connection between the rubber sealing ring and the sealing cap further enhances the sealing performance between the sealing cap and the oil filling port, preventing lubricating oil leakage from the oil tank 35 or external dust from entering the oil tank 35 and contaminating the lubricating oil. The connection between the transparent observation window and the oil tank 35, as well as the cooperation between the scale lines and the observation window, allows operators to intuitively observe the remaining amount of lubricating oil in the oil tank 35 and determine whether to add lubricating oil based on the scale lines, ensuring the continuous progress of the oiling work.

[0051] Furthermore, the bottom of the collection tank 12 is provided with a drain port, and a control valve is located in the middle of the drain port. The bottom of the collection tank 12 is inclined, with the inclination direction facing the drain port. The connection between the drain port and the collection tank 12 facilitates the discharge of excess lubricating oil collected in the collection tank 12. The connection between the control valve and the drain port allows for control of the discharge from the drain port by controlling the opening and closing of the control valve, enabling operators to choose the appropriate time to discharge the lubricating oil based on the amount collected in the collection tank 12.

[0052] Furthermore, the inclined design at the bottom of the collection tank 12 can guide the collected lubricating oil to converge towards the drain port, making it easier for the lubricating oil to be discharged quickly and completely from the drain port, and preventing lubricating oil from remaining in the collection tank 12.

[0053] It should also be noted that the battery terminals in this application can be small valve-regulated sealed lead-acid batteries, medium-sized power lithium-ion batteries, large industrial lead-acid batteries, etc. Figure 1 In this embodiment, a small valve-regulated sealed lead-acid battery is used as an example for the description of the battery terminal. Of course, other types of battery terminals can also adopt a similar structure, which will not be described in detail below.

[0054] Understandable, Figure 1 The diagram only schematically illustrates some of the components included in the oiling head; the actual shape, size, location, and construction of these components are not subject to change. Figure 1 The limitations of oiling the head can also include, compared to Figure 1 More or fewer parts.

[0055] In practical use, the battery to be oiled is first placed on the collector tank 12, so that one end of the battery is in contact with the vertical end of the fixing plate 17. At this time, the clamping plate 18 in the mounting groove of the fixing plate 17 moves towards the battery under the elastic force of the spring 110 and contacts both sides of the battery, thus initially limiting the battery laterally. Then, the handwheel of the threaded rod 15 away from the push plate 14 is rotated, which drives the threaded rod 15 to rotate on the support plate 13 and move towards the battery. The threaded rod 15 pushes the push plate 14 to move synchronously. The positioning rod 16 guides the movement of the push plate 14, so that the push plate 14 contacts the other end of the battery smoothly until the battery is clamped between the push plate 14 and the fixing plate 17, thus completing the positioning and fixing of the battery.

[0056] Based on the spacing of the battery terminals to be coated, rotate the knob on the extension of the threaded rod 43 in the brush head spacing adjustment assembly 4. This causes the threaded rod 43 to rotate within the housing 41. Since the threaded rod 43 and the movable block 42 are threadedly engaged, and the fixed rod 44 guides and limits the movable block 42, the movable block 42 moves along the length of the fixed rod 44. The movable block 42 drives the brush head 45 at the bottom to move synchronously until the spacing between the two brush heads 45 matches the spacing of the battery terminals. Then, stop rotating the knob to complete the adjustment of the brush head 45 spacing.

[0057] Open the sealing cap at the top of the oil tank 35, add an appropriate amount of lubricating oil into the oil tank 35 through the oil filling port, and tighten the sealing cap after adding. The rubber sealing ring ensures the airtightness of the oil tank 35. The operator can monitor the remaining amount of lubricating oil in the oil tank 35 in real time through the transparent observation window on one side of the oil tank 35 and the scale lines on the surface.

[0058] The robotic arm 2 is activated, which moves the oil delivery assembly 3 and the brush head spacing adjustment assembly 4, causing the brush head 45 to move directly above the battery terminals and contact the terminal surface. Simultaneously, the lubricating oil in the oil tank 35 is delivered to the brush head 45 through the oil delivery pipe 31, and the brush head 45 applies the lubricating oil to the surface of the battery terminals. During this process, the air compressor 36 is activated, and the compressed air generated by the air compressor 36 is delivered to the nozzle 37 through the air outlet pipe. The nozzle 37 sprays the compressed air evenly onto the terminal oiling area, spreading the lubricating oil applied to the terminal surface by the brush head 45 and accelerating the drying of the lubricating oil, thereby improving the oiling quality.

[0059] During the oiling process, excess lubricating oil will drip into the collection tank 12. The bottom of the collection tank 12 is inclined, and the lubricating oil will converge towards the drain port under the action of gravity. When the lubricating oil collected in the collection tank 12 reaches a certain amount, the control valve in the middle of the drain port is opened, and the collected lubricating oil is discharged through the drain port for recycling, thus avoiding the waste of lubricating oil.

[0060] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A battery terminal oiling head, characterized in that, include: Positioning component (1), robotic arm (2), oil delivery component (3) and brush head adjustment spacing component (4), the robotic arm (2) is set at the top of the positioning component (1), the oil delivery component (3) is installed at one end of the robotic arm (2), and the brush head adjustment spacing component (4) is installed at the bottom of the oil delivery component (3); The positioning component (1) includes a base (11), a liquid collection tank (12) is provided at the top of the base (11), a support plate (13) is provided at one end of the liquid collection tank (12), a threaded rod (15) is provided through the middle of the support plate (13), a push plate (14) is provided at one end of the threaded rod (15), a handwheel is provided at the end of the threaded rod (15) away from the push plate (14), and positioning rods (16) are provided on both sides of the threaded rod (15). One end of the positioning rod (16) is fixedly connected to one end of the push plate (14).

2. The battery terminal oiling head according to claim 1, characterized in that: The positioning component (1) also includes a fixing plate (17). The fixing plate (17) is located at the end of the liquid collection tank (12) away from the support plate (13). The fixing plate (17) is L-shaped. The top of the fixing plate (17) is provided with an installation groove. The installation groove is symmetrically provided with clamping plates (18). One end of the clamping plate (18) is symmetrically provided with damping (19). One end of the damping (19) is fixedly connected to the inner wall of the installation groove. The outer end of the damping (19) is fitted with a spring (110).

3. The battery terminal oiling head according to claim 2, characterized in that: The oil delivery assembly (3) includes an oil tank (35), a positioning plate at the bottom of the oil tank (35), a flange two (33) at the bottom of the positioning plate, a flange one (32) at the bottom of the flange two (33), and a connection between the flange one (32) and the flange two (33) by fixing bolts (34). An oil delivery pipe (31) is symmetrically provided at one end of the oil tank (35).

4. The battery terminal oiling head according to claim 3, characterized in that: The oil delivery assembly (3) also includes an air compressor (36), which is symmetrically arranged at both ends of the oil tank (35). One end of the air compressor (36) is provided with an air outlet pipe, one end of the air outlet pipe is provided with a bracket (38), and the bottom end of the air outlet pipe is provided with a nozzle (37).

5. A battery terminal lubricating tip according to claim 4, wherein: The brush head spacing adjustment assembly (4) includes an outer shell (41), inside which movable blocks (42) are symmetrically arranged. A threaded rod (43) is provided through the middle of the movable block (42), and the threaded rod (43) extends through to the outer end of the outer shell (41). A knob is provided on the extension of the threaded rod (43). Fixed rods (44) are provided on both sides of the threaded rod (43), and the fixed rods (44) pass through both ends of the movable block (42). A brush head (45) is provided at the bottom of the movable block (42), and the top of the brush head (45) is connected to one end of the oil supply pipe (31).

6. A battery terminal oiling head according to claim 5, characterized in that: The top of the oil tank (35) is provided with an oil filling port, and the top of the oil filling port is threaded with a sealing cap. A rubber sealing ring is provided inside the sealing cap. A transparent observation window is provided on one side of the oil tank (35), and scale lines are provided on the surface of the observation window.

7. A battery terminal oiling head according to claim 6, characterized in that: The bottom of the liquid collection tank (12) is provided with a drain port, and a control valve is provided in the middle of the drain port. The bottom of the liquid collection tank (12) is inclined, and the inclination direction is towards the drain port.

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