Automatic oil brushing device for automobile

By using a brush assembly driven by a robotic arm to automatically apply anti-splatter oil, the problems of low efficiency in manual oiling and pollution from robotic spraying are solved, achieving a highly efficient and environmentally friendly oiling process, and improving production efficiency and equipment lifespan.

CN224025440UActive Publication Date: 2026-03-24GAC TOYOTA MOTOR
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

In existing technologies, manual painting is inefficient and poses occupational health risks, while automated robotic spraying is highly efficient but generates oil mist pollution and corrodes equipment.

Method used

A robotic arm drives a brush assembly to automatically apply anti-splatter oil. The oil application is automated through an oil receiving and storage mechanism, ensuring consistent and environmentally friendly oil application.

Benefits of technology

It achieves an efficient and environmentally friendly oiling process, reduces labor costs and equipment maintenance expenses, improves production efficiency, and reduces the risk of air pollution and equipment corrosion.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224025440U_ABST
    Figure CN224025440U_ABST
Patent Text Reader

Abstract

The utility model discloses an automatic oil brushing device for an automobile, and relates to the technical field of automobile manufacturing, the automatic oil brushing device for the automobile comprises a mechanical arm, an oil brushing mechanism and an oil receiving mechanism, the oil receiving mechanism is used for containing materials, the oil brushing mechanism comprises a connecting assembly and a brush assembly, the brush assembly is connected with the connecting assembly, the connecting assembly is connected with the mechanical arm, and the mechanical arm is connected with the mechanical arm. The mechanical arm can drive the brush assembly to move into the oil receiving mechanism to dip materials located in the oil receiving mechanism, and the mechanical arm can drive the brush assembly dipped with the materials to brush workpieces. According to the technical scheme, the mechanical arm is adopted to drive the brush assembly to move into the oil receiving mechanism to be dipped with anti-splashing oil, then the brush assembly dipped with materials is driven to move to a designated position to evenly brush a workpiece, automation of the oiling procedure is achieved, the production period is shortened, the overall production efficiency is improved, and the production cost is reduced. The labor cost is reduced, and the operation cost is reduced by saving materials and reducing the equipment maintenance cost.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile manufacturing, especially relates to an automatic oil brushing device for automobile. BACKGROUND

[0002] In order to avoid the welding slag produced in the welding process of the automobile body from splashing and adhering to the automobile body, which affects the surface quality of the automobile body, the important appearance parts prone to splashing and adhering are usually coated with anti-splashing oil to reduce splashing and adhering. Currently, there are two ways of coating anti-splashing oil adopted by enterprises: manual oil brushing and automatic spraying by robots. However, manual oil brushing has low efficiency, and although automatic spraying by robots has high efficiency, oil mist is generated during the spraying process, causing pollution, and the oil mist adheres to the production line and equipment, which is easy to cause corrosion of the equipment. SUMMARY

[0003] The main purpose of the utility model is to provide an automatic oil brushing device for automobile, which aims to solve the problem of how to efficiently and environmentally coat anti-splashing oil.

[0004] To achieve the above-mentioned purpose, the utility model provides an automatic oil brushing device for automobile, which comprises a mechanical arm, an oil brushing mechanism and an oil receiving mechanism. The oil receiving mechanism is used for containing materials. The oil brushing mechanism comprises a connecting assembly and a brush assembly. The brush assembly is connected with the connecting assembly. The connecting assembly is connected with the mechanical arm. The mechanical arm can drive the brush assembly to move into the oil receiving mechanism to dip the materials in the oil receiving mechanism, and the mechanical arm can drive the brush assembly with the materials to coat the workpiece.

[0005] In an embodiment, the brush assembly comprises a fixing piece and a brush piece. The brush piece is detachably connected with the fixing piece. The fixing piece is detachably connected with the connecting assembly. The connecting assembly is detachably connected with the mechanical arm.

[0006] In an embodiment, the brush piece comprises a first layer of brush and a second layer of brush. The fixing piece comprises a first clamping plate, a second clamping plate, a handle and a first bolt. The first clamping plate is provided with a positioning column. The positioning column is provided with a threaded hole. The first layer of brush is provided with a first through hole. The second layer of brush is provided with a second through hole. The second clamping plate is provided with a third through hole. After the positioning column passes through the first through hole, the second through hole and the third through hole in sequence, the first bolt is threadedly connected with the threaded hole. The handle is connected with the second clamping plate. The handle is detachably connected with the connecting assembly.

[0007] In an embodiment, the fixing member further comprises a gasket, the gasket is provided with a fourth through hole, the gasket is located between the first layer of brushes and the second layer of brushes, and the internal thread is threadedly connected with the first bolt after the positioning column passes through the first through hole, the fourth through hole, the second through hole and the third through hole in sequence.

[0008] In an embodiment, the connecting assembly comprises a limiting frame, a connecting plate, a second bolt and a nut, the limiting frame is connected with the connecting plate, the limiting frame is provided with a limiting groove for accommodating the handle, the handle can abut against the groove wall of the limiting groove, the handle is provided with a first mounting hole, the connecting plate is provided with a second mounting hole, the second bolt is threadedly connected with the nut through the first mounting hole and the second mounting hole, and the connecting plate is detachably connected with the mechanical arm.

[0009] In an embodiment, the brush assembly further comprises an error-proofing member, the limiting frame comprises a first limiting plate, a second limiting plate and a third limiting plate, the first limiting plate and the second limiting plate are both connected with the third limiting plate, the length of the first limiting plate is less than the length of the second limiting plate, the first limiting plate, the second limiting plate and the third limiting plate are all connected with the connecting plate, the first limiting plate, the second limiting plate and the third limiting plate enclose the limiting groove, and the error-proofing member is connected with the connecting plate.

[0010] When the error-proofing member abuts against the first limiting plate, the first mounting hole is aligned with the second mounting hole.

[0011] When the error-proofing member abuts against the second limiting plate, the first mounting hole is misaligned with the second mounting hole.

[0012] In an embodiment, the length of the brush assembly is L, 280mm≤L≤290mm, the width of the brush assembly is W, 226mm≤W≤236mm, and the thickness of the brush assembly is H, 35≤H≤45mm.

[0013] and / or,

[0014] The first layer of brushes comprises at least one first brush, and each first brush is provided with a first through hole.

[0015] and / or,

[0016] The second layer of brushes comprises at least one second brush, and each second brush is provided with a first through hole.

[0017] In an embodiment, the automatic oil brushing device for vehicle further comprises an oil storage mechanism, the oil storage mechanism comprises an oil storage tank, an oil pumping pipe and an oil pump, the oil storage tank is used for containing the material, the oil storage tank is communicated with the oil receiving mechanism through the oil pumping pipe, and the oil pump is connected with the oil storage tank.

[0018] In an embodiment, the oil receiving mechanism comprises an oil receiving tank, a first oil amount sensor and a second oil amount sensor, the oil receiving tank is used for containing the material, the oil receiving tank has a first upper limit position and a first lower limit position, the first oil amount sensor is located at the first upper limit position, the second oil amount sensor is located at the first lower limit position, the first oil amount sensor and the second oil amount sensor are connected with the oil receiving tank, the first oil amount sensor is used for detecting whether the capacity of the material in the oil receiving tank reaches an upper limit, the second oil amount sensor is used for detecting whether the capacity of the material in the oil receiving tank reaches a lower limit, and the first oil amount sensor and the second oil amount sensor are electrically connected with the oil pump.

[0019] And / or,

[0020] The oil storage mechanism further comprises a third oil amount sensor and a prompt lamp, the oil storage tank has a second lower limit position, the third oil amount sensor is located at the second lower limit position, the third oil amount sensor is connected with the oil storage tank, the third oil amount sensor is used for detecting whether the capacity of the material in the oil storage tank reaches a lower limit, the prompt lamp has a yellow light mode and a green light mode, and the third oil amount sensor is electrically connected with the prompt lamp.

[0021] When the third oil amount sensor detects that the capacity of the material in the oil storage tank is higher than the second lower limit position, the prompt lamp displays a green light mode, indicating that the capacity of the material in the oil storage tank is sufficient.

[0022] When the third oil amount sensor detects that the capacity of the material in the oil storage tank is lower than the second lower limit position, the prompt lamp displays a yellow light mode, indicating that the capacity of the material in the oil storage tank is insufficient.

[0023] In an embodiment, the automatic oil brushing device for vehicle further comprises an oil scraping mechanism, the oil scraping mechanism comprises an oil scraping ruler, the oil scraping ruler is detachably connected with the oil receiving mechanism, and the mechanical arm can drive the brush assembly to abut against the oil scraping ruler and move relative to the oil scraping ruler.

[0024] In the embodiment of the utility model, the workpiece is a vehicle body, the material is anti-splashing oil, the automatic oil brushing device for automobile is used for brushing the anti-splashing oil on the vehicle body through the mechanical arm, the oil receiving mechanism is a special container for containing the anti-splashing oil to be brushed, and the brush assembly is a component directly contacting with the material and used for brushing the workpiece, thereby ensuring good coating effect. The brush assembly is connected to the end of the mechanical arm through the connecting assembly, so that the brush assembly can realize automatic oil brushing action along with the action of the mechanical arm. The mechanical arm as an execution mechanism of the whole automatic oil brushing device for automobile can accurately control the action path of the brush assembly, ensure that the brush assembly can accurately reach the oil receiving mechanism to pick up the material, and move the brush assembly with the material to a specified position to uniformly brush the workpiece. The specific working process of the automatic oil brushing device for automobile is as follows: the automatic oil brushing device for automobile is started, the brush assembly is first moved to the oil receiving mechanism from the original position by the mechanical arm according to a preset program, so that the brush assembly is immersed in the anti-splashing oil to fully pick up the anti-splashing oil. After the material is picked up, the brush assembly is moved to a waiting position by the mechanical arm. When it is sensed that the workpiece has reached a working position, the brush assembly is moved to the working position by the mechanical arm and starts to brush the surface of the workpiece. During the brushing process, the mechanical arm can flexibly adjust the angle, speed and other parameters according to the set requirements, so as to ensure the quality and coverage rate of oil coating. After the brushing is completed, the brush assembly is returned to the original position by the mechanical arm, and waits for the next oil brushing. In the embodiment of the utility model, the brush assembly is first moved to the oil receiving mechanism to pick up the anti-splashing oil by the mechanical arm, and then the brush assembly with the material is moved to a specified position to uniformly brush the workpiece, so that the automation of the oil coating process is realized. The oil brushing of a single workpiece can be completed within 52 seconds of production rhythm, which meets the requirements of automobile production rhythm, shortens the production cycle, improves the overall production efficiency, reduces the labor cost, saves the material and reduces the equipment maintenance cost to reduce the operating cost, provides a more environmentally friendly and more efficient solution for manufacturers, helps to improve the competitiveness of enterprises in the market, overcomes the limitations of manual oil brushing, replaces the heavy physical labor of manual oil brushing with automatic operation, reduces the work load and labor intensity of the operating personnel, makes the operating personnel no longer need to directly contact with the anti-splashing oil, reduces the potential threat of chemicals to human health, ensures the consistency and uniformity of each oil coating process through the accurate control of the mechanical arm, avoids the quality fluctuation caused by human factors, solves the problem of automatic spraying of robots, the automatic oil brushing device for automobile directly picks up the appropriate amount of material from the oil receiving mechanism by the brush assembly driven by the mechanical arm, can better control the oil consumption, reduces the waste, and also will not produce a large amount of oil mist during the brushing process, effectively reduces air pollution, maintains the air quality in the workshop, avoids the corrosion of oil stains produced by oil mist to the production line and other equipment, and prolongs the service life of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to the structures shown in these drawings without creative labor.

[0026] Figure 1 It is a structural schematic view of an embodiment of the automobile automatic oil brushing device of the present application.

[0027] Figure 2 It is a structural schematic view of an embodiment of the oil brushing mechanism of the automobile automatic oil brushing device of the present application.

[0028] Figure 3 It is a structural schematic view of another perspective of an embodiment of the oil brushing mechanism of the automobile automatic oil brushing device of the present application.

[0029] Figure 4 It is a structural schematic view of an embodiment of the brush assembly of the automobile automatic oil brushing device of the present application.

[0030] Figure 5 It is an exploded schematic view of an embodiment of the brush assembly of the automobile automatic oil brushing device of the present application.

[0031] Figure 6 It is a structural schematic view of an embodiment of the oil scraping mechanism of the automobile automatic oil brushing device of the present application.

[0032] Figure 7 It is a working process schematic view of the automobile automatic oil brushing device of the present application.

[0033] Figure 8 It is a working process schematic view of the oil receiving tank of the automobile automatic oil brushing device of the present application.

[0034] Figure 9 It is a working process schematic view of the oil storage tank of the automobile automatic oil brushing device of the present application.

[0035] Explanation of the reference signs:

[0036] 100, The automobile automatic oil brushing device, 1, Mechanical arm, 11, Execution module, 12, Control module, 121, Control cabinet, 122, Control line, 2, Oil brushing mechanism, 21, Connecting assembly, 211, Limiting frame, 2111, First limiting plate, 2112, Second limiting plate, 2113, Third limiting plate, 212, Connecting plate, 22, Brush assembly, 221, Fixed part, 2211, First clamping plate, 22111, Positioning column, 22111a, Threaded hole, 2212, Second clamping plate, 22121, Third through hole, 2213, Handle, 22131, First mounting hole, 2214, First bolt, 2215, Gasket, 22151, Fourth through hole, 222, Brush part, 2221, First layer brush, 22211, First brush, 22211a, First through hole, 2222, Second layer brush, 22221, Second brush, 22221a, Second through hole, 223, Anti-error part, 3, Oil receiving mechanism, 31, Oil receiving tank, 4, Oil storage mechanism, 41, Oil storage tank, 42, Oil pumping pipe, 5, Oil scraping mechanism, 51, Oil scraping ruler.

[0037] The realization, functional features and advantages of the utility model will be further described with reference to the drawings in combination with embodiments. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0039] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back), the directional indications are only used to explain the relative position relationship, movement condition and the like between components in a certain specific posture, and if the specific posture changes, the directional indications also change accordingly.

[0040] In addition, if the description of "first", "second" and the like is involved in the embodiments of the utility model, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one feature. In addition, if "and / or" or "and / or" appears in the whole text, it means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary technical personnel, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0041] In order to avoid the welding slag generated in the welding process of the automobile body from splashing and adhering to the automobile body, which affects the surface quality of the automobile body, the important appearance parts of the automobile body which are easy to adhere to the splashing are usually coated with anti-splashing oil to reduce the splashing and adhesion. At present, there are two kinds of anti-splashing oil coating methods adopted by enterprises: manual brushing and automatic spraying by robot. However, the manual brushing has low operation efficiency, and although the automatic spraying by robot has high efficiency, oil mist is generated in the spraying process, causing pollution, and the oil mist adheres to the production line and equipment, which is easy to cause corrosion to the equipment.

[0042] After careful research by the applicant, it is found that manual brushing is to use a brush to dip anti-splashing oil in an oil box and then manually apply it on the automobile body, which has the disadvantages of heavy work load, high labor intensity and low efficiency, and the oil coating quality depends on the skill level of the workers, resulting in unstable oil coating quality, and there is also a significant occupational health risk, such as long-term contact with oil substances may cause harm to the skin and respiratory system, in addition, the amount of anti-splashing oil used is difficult to control, which is easy to cause waste; although the automatic spraying by robot solves all the problems existing in manual brushing, improves the work efficiency and the consistency of oil coating quality, and reduces the labor cost, it also introduces new challenges in environmental pollution and equipment maintenance, oil mist is generated in the spraying process, which releases harmful gases into the air, pollutes the workshop environment, has a negative impact on the air quality in the workshop, and may also cause damage to other equipment, the volatile and splashing materials in the oil mist may adhere to the production line and surrounding equipment, and long-term accumulation may cause oil stains, which in turn may cause corrosion of metal parts, affect the performance of the equipment, and even cause the equipment to be scrapped.

[0043] The main purpose of the utility model is to provide an automatic oil brushing device for automobiles to solve the problem of how to efficiently and environmentally coat anti-splashing oil.

[0044] Please refer to Figures 1 to 3In the embodiment of the utility model, the automobile automatic oil brushing device 100 includes a mechanical arm 1, an oil brushing mechanism 2 and an oil receiving mechanism 3, the oil receiving mechanism 3 is used for containing materials, the oil brushing mechanism 2 includes a connecting assembly 21 and a brush assembly 22, the brush assembly 22 is connected with the connecting assembly 21, the connecting assembly 21 is connected with the mechanical arm 1, the mechanical arm 1 can drive the brush assembly 22 to move into the oil receiving mechanism 3 to dip the materials in the oil receiving mechanism 3, and the mechanical arm 1 can drive the brush assembly 22 with materials to brush the workpiece.

[0045] In the embodiment of the utility model, the workpiece is a vehicle body, the materials are anti-splashing oil, the automobile automatic oil brushing device 100 is used for brushing the anti-splashing oil on the vehicle body through the mechanical arm 1, the oil receiving mechanism 3 is a special container used for containing the anti-splashing oil to be brushed, the brush assembly 22 is a component directly contacting with the materials and used for brushing the workpiece, thereby ensuring good coating effect, the brush assembly 22 is connected at the end of the mechanical arm 1 through the connecting assembly 21, thereby enabling the brush assembly 22 to realize automatic oil brushing action along with the action of the mechanical arm 1, the mechanical arm 1 as an execution mechanism of the whole automobile automatic oil brushing device 100 can accurately control the action path of the brush assembly 22, ensuring that the brush assembly 22 can accurately dip the materials in the oil receiving mechanism 3 and move the brush assembly 22 with materials to a specified position to uniformly brush the workpiece. Figure 7 The specific working process of the automobile automatic oil brushing device 100 is as follows: the automobile automatic oil brushing device 100 is started, the mechanical arm 1 first moves the brush assembly 22 according to a preset program from an original position to the oil receiving mechanism 3 to dip the brush assembly 22 in the anti-splashing oil to sufficiently dip the anti-splashing oil, after the dipping is completed, the mechanical arm 1 drives the brush assembly 22 to move to a waiting position, after sensing that the workpiece has reached a working position, the mechanical arm 1 drives the brush assembly 22 to move to the working position and starts to brush the surface of the workpiece, during the brushing process, the mechanical arm 1 can flexibly adjust the angle, speed and other parameters according to the set requirements, to ensure the quality and coverage of the oil brushing, after the brushing is completed, the mechanical arm 1 drives the brush assembly 22 to return to the original position, waiting for the next oil brushing.

[0046] The technical scheme of the utility model realizes the automation of the oiling process, and single workpiece oiling can be completed within 52 seconds of production rhythm, satisfies the automobile production rhythm requirement, shortens the production cycle, improves the overall production efficiency, reduces the labor cost, reduces the operating cost through saving of materials and reduction of equipment maintenance cost, provides a more environment-friendly and more efficient solution for manufacturers, helps to improve the competitiveness of enterprises in the market, overcomes the limitation of manual oiling, replaces the heavy physical labor of manual oiling with automatic operation, reduces the work load and labor intensity of operating personnel, makes the operating personnel no longer need to directly contact the anti-splashing oil, reduces the potential threat of chemicals to human health, ensures the consistency and uniformity of each oiling process through the accurate control of the mechanical arm 1, avoids the quality fluctuation caused by human factors, solves the problem of automatic spraying of robots, and the automobile automatic oiling device 100 directly takes the appropriate amount of material from the oil receiving mechanism 3 for brushing by the mechanical arm 1 driving the brush assembly 22, can better control the oil consumption, reduces the waste, will not produce a large amount of oil mist in the brushing process, effectively reduces the air pollution, maintains the air quality in the workshop, avoids the corrosion caused by the oil stains produced by the oil mist to the production line and other equipment, prolongs the service life of the equipment.

[0047] Please refer to Figure 1 and Figure 7In the embodiment, the mechanical arm 1 comprises an execution module 11 and a control module 12, the execution module 11 is connected with the brush assembly 22 through the connecting assembly 21, the control module 12 comprises a control cabinet 121, a teach pendant and control lines 122, the control cabinet 121 is electrically connected with the execution module 11 through the control lines 122, and the teach pendant is electrically connected with the control cabinet 121. When different types of workpieces are painted, the moving path of the execution module 11 can be simulated and determined through the teach pendant according to the production instruction, and a preset program is generated in the control cabinet 121, and then the execution module 11 drives the brush assembly 22 to complete the work of picking up the anti-splashing oil and painting the workpiece according to the preset program, and finally the execution module 11 drives the brush assembly 22 to return to the original position and wait for the next oil brushing. In the painting process, in order to ensure the safety of production operation, an induction lamp can be arranged at the original position of the execution mechanism. When the execution mechanism drives the brush assembly 22 to return to the original position, the induction lamp is on to warn that there is an execution mechanism here to avoid collision between the staff and the execution mechanism and cause safety accidents. When the execution mechanism drives the brush assembly 22 to leave the original position, the induction lamp is off to inform the staff that the execution mechanism is working. In the embodiment, the mechanical arm 1 can be realized by using the existing technology, so the specific structure is not limited, and the user can select the appropriate model and technical specification of the mechanical arm 1 according to the actual application scene.

[0048] Please refer to Figure 2 and Figure 3 In an embodiment, the brush assembly 22 comprises a fixed part 221 and a brush part 222, the brush part 222 is detachably connected with the fixed part 221, the fixed part 221 is detachably connected with the connecting assembly 21, and the connecting assembly 21 is detachably connected with the mechanical arm 1. Specifically, the detachable connection among the brush part 222, the fixed part 221 and the connecting assembly 21 allows the staff to quickly replace the worn or damaged parts, reduces downtime, improves the availability and production efficiency of the equipment, and when a certain part is damaged, only the corresponding part needs to be replaced, without replacing the entire brush assembly 22, reducing maintenance costs. The detachable connection also makes the automatic oil brushing device 100 for the automobile easily adjust the configuration of the brush assembly 22 according to different shapes and sizes of workpieces, and different types of brush parts 222 can be selected to adapt to various painting needs, expand the application range of the automatic oil brushing device 100 for the automobile, and easily upgrade and improve the automatic oil brushing device 100 for the automobile in the later period.

[0049] Please refer to Figure 4 and Figure 5In an embodiment, the brush part 222 comprises a first layer of brushes 2221 and a second layer of brushes 2222, the fixing part 221 comprises a first clamping plate 2211, a second clamping plate 2212, a handle 2213 and a first bolt 2214, the first clamping plate is provided with a positioning column, the positioning column is provided with a threaded hole, the first clamping plate 2211 is provided with a positioning column 22111, the positioning column 22111 is provided with a threaded hole 22111a, the first layer of brushes 2221 is provided with a first through hole 22211a, the second layer of brushes 2222 is provided with a second through hole 22221a, the second clamping plate 2212 is provided with a third through hole 22121, the positioning column 22111 passes through the first through hole 22211a, the second through hole 22221a and the third through hole 22121 in sequence, the first bolt 2214 is threadedly connected with the threaded hole 22111a, the handle 2213 is connected with the second clamping plate 2212, and the handle 2213 is detachably connected with the connecting assembly 21; Specifically, the design of the double-layer brush can provide a thicker oil coating layer, can reduce the number of oil dipping as much as possible to improve work efficiency, can also ensure that the anti-splashing oil can fully cover the surface of the workpiece, is especially suitable for workpieces that require thick and heavy coating or complex shape, and realizes the standardization of replacement of the brush assembly 22 through the modular design of the fixing part 221, all components can be quickly installed in place, the threaded hole 22111a on the positioning column 22111 and the bolt provide stable connection, and the brush part 222 will not loosen during frequent use, the detachable connection between the handle 2213 and the connecting assembly 21 enables the brush assembly 22 to be flexibly adjusted according to actual needs, and even can be used interchangeably between different types of mechanical arms 1, thereby expanding the application range of the automatic oil brushing device 100 for automobiles, when the brush needs to be replaced or cleaned, the brush part 222 can be easily removed by loosening the bolt, thereby greatly improving the maintenance efficiency, and when a component is damaged, only the corresponding part needs to be replaced, instead of replacing the entire brush assembly 22, thereby reducing the maintenance cost.

[0050] According to an embodiment of the utility model, the brush part 222 comprises a first layer of brushes 2221 and a second layer of brushes 2222, the fixing part 221 comprises an elastic clamp, the elastic clamp is used for clamping the brush part 222 by elasticity, the first layer of brushes 2221 and the second layer of brushes 2222 can be firmly attached to the elastic clamp, the structure is simple, convenient and fast to operate, and has strong adaptability, and the brush part 222 can be quickly assembled and disassembled by only pressing, and the elastic clamp can also adapt to brush parts 222 of different sizes and shapes.

[0051] Please refer to Figure 4In an embodiment, the fixing member 221 further comprises a gasket 2215 provided with a fourth through hole 22151, the gasket 2215 is located between the first layer of brushes 2221 and the second layer of brushes 2222, the positioning column 22111 is sequentially threaded through the first through hole 22211a, the fourth through hole 22151, the second through hole 22221a and the third through hole 22121, and the threaded hole 22111a is threadedly connected with the first bolt 2214; specifically, the gasket 2215 is arranged between the first layer of brushes 2221 and the second layer of brushes 2222, used for assisting in positioning and stabilizing the relative position between the two layers of brushes, maintaining the appropriate spacing between the two layers of brushes, when the first bolt 2214 is tightened, the gasket 2215 can uniformly disperse the pressure from the bolt, avoiding local overpressure causing the first layer of brushes 2221 and the second layer of brushes 2222 to deform or be damaged, maintaining the integrity of the shape of the brush member 222, avoiding the first layer of brushes 2221 and the second layer of brushes 2222 from separating or warping away from one end of the fixing member 221, thereby ensuring that a consistent coating thickness can be provided each time oil is applied, improving the uniformity and quality of oil application.

[0052] Please refer to Figure 2 and Figure 3 In an embodiment, the connecting assembly 21 comprises a limiting frame 211, a connecting plate 212, a second bolt (not shown in the figure) and a nut (not shown in the figure), the limiting frame 211 is connected with the connecting plate 212, the limiting frame 211 is provided with a limiting groove (not shown in the figure) for accommodating the handle 2213, the handle 2213 can abut against the groove wall of the limiting groove, the handle 2213 is provided with a first mounting hole 22131, the connecting plate 212 is provided with a second mounting hole (not shown in the figure), the second bolt is threadedly connected with the nut by passing through the first mounting hole 22131 and the second mounting hole, and the connecting plate 212 is detachably connected with the mechanical arm 1; specifically, the close abutment of the handle 2213 and the groove wall of the limiting groove ensures the accurate positioning of the handle 2213 and the firmness of the connection, reduces the deviation or rotation of the handle 2213 caused by vibration or external force, improves the stability and precision of the oil application process, guarantees the consistency and quality of oil application, the handle 2213 and the connecting plate 212 can be connected or separated through simple second bolt and nut operation, which can provide a reliable mechanical connection structure, ensures that the handle 2213 will not be loose during movement, guarantees the safety of operation, and also simplifies the maintenance and replacement process, which can quickly replace different types of brush members 222, improves the flexibility and response speed of the automatic oil brushing device 100 for cars, and can adapt to different production needs.

[0053] According to an embodiment of the utility model, the connecting assembly 21 and the handle 2213 can also be detachably connected through buckles.

[0054] In the embodiment, the connecting assembly 21 and the mechanical arm 1 can be detachably connected through a pin shaft and a bolt nut, or can be detachably connected through a buckle. The specific connection mode of the connecting assembly 21 and the mechanical arm 1 is not limited in the embodiment.

[0055] Please refer to Figures 3 to 5 In an embodiment, the brush assembly 22 further comprises an error-proofing piece 223, the limiting frame 211 comprises a first limiting plate 2111, a second limiting plate 2112 and a third limiting plate 2113, the first limiting plate 2111 and the second limiting plate 2112 are both connected with the third limiting plate 2113, the length of the first limiting plate 2111 is less than the length of the second limiting plate 2112, the first limiting plate 2111, the second limiting plate 2112 and the third limiting plate 2113 are all connected with the connecting plate 212, the first limiting plate 2111, the second limiting plate 2112 and the third limiting plate 2113 enclose a limiting groove, and the error-proofing piece 223 is connected with the connecting plate 212; when the error-proofing piece 223 abuts against the first limiting plate 2111, the first mounting hole 22131 is aligned with the second mounting hole; when the error-proofing piece 223 abuts against the second limiting plate 2112, the first mounting hole 22131 is misaligned with the second mounting hole; specifically, when the error-proofing piece 223 abuts against the first limiting plate 2111, the first mounting hole 22131 is aligned with the second mounting hole, allowing the second bolt to pass through the first mounting hole 22131 and the second mounting hole smoothly and be fastened by the nut, ensuring that the handle 2213 is installed correctly, and when the error-proofing piece 223 abuts against the second limiting plate 2112, the first mounting hole 22131 is misaligned with the second mounting hole, preventing the second bolt from passing through and preventing incorrect installation. The design of the error-proofing piece 223 ensures that the handle 2213 can only be installed in the limiting groove in one correct way, avoiding reverse installation or other incorrect installation of the handle 2213 due to human error, improving the safety and reliability of operation. The correctly installed handle 2213 can ensure stability and accuracy during oiling, avoiding vibration or deviation problems caused by improper installation, ensuring the consistency of oiling quality. Moreover, through intuitive visual prompts, i.e., the relative position of the error-proofing piece 223 and the limiting plate, the worker can quickly judge whether the handle 2213 is placed correctly, reducing trial and error time and adjustment steps, improving installation efficiency, and optimizing user experience. Even workers who are not familiar with the equipment can easily complete the correct installation operation, reducing the need for training.

[0056] Please refer to Figure 5In an embodiment, the length of the brush assembly 22 is L, 280mm≤L≤290mm, the width of the brush assembly 22 is W, 226mm≤W≤236mm, and the thickness of the brush assembly 22 is H, 35≤H≤45mm; and / or, the first layer of brushes 2221 includes at least one first brush 22211, each of which is provided with a first through hole 22211a; and / or, the second layer of brushes 2222 includes at least one second brush 22221, each of which is provided with a first through hole 22211a; specifically, in this embodiment, considering that the brush assembly 22 is mainly driven by the robot, in order to improve the production efficiency, the first layer of brushes 2221 and the second layer of brushes 2222 are designed to be horizontally lengthened, reducing the number of frequent oil dipping, further improving the work efficiency; the first layer of brushes 2221 includes at least one first brush 22211, and the second layer of brushes 2222 includes at least one second brush 22221, the style of the brush assembly 22 is the final style obtained through a large number of experimental tests based on the curved surface of the oiling part on the workpiece and the time requirement of the production process, through the durability test and analysis of the production model, the best length-width-height size range of the brush assembly 22 is determined, in this range, continue to test the durability, through strict verification to ensure that each curved surface can be covered, meet the needs of complex workpiece surface treatment, improve the versatility and practicality, ensure the consistency and stability of the oiling process. In this embodiment, the first layer of brushes 2221 includes two first brushes 22211, and the second layer of brushes 2222 also includes second brushes 22221, and the first brush 22211 and the second layer of brushes 2222 have the same structure, the length L of the brush assembly 22 is 285mm, the width W is 231mm, and the thickness is 40mm, from the functional and lightweight point of view, not only ensures the oiling effect, but also reduces the load of the mechanical arm 1, also realizes more efficient oiling coverage, improves the oiling quality and stability of the automobile automatic oiling device 100.

[0057] Please refer to Figure 1In an embodiment, the automobile automatic oil brushing device 100 further comprises an oil storage mechanism 4, which comprises an oil storage tank 41, an oil suction pipe 42 and an oil pump (not shown in the figure). The oil storage tank 41 is used to store materials. The oil storage tank 41 is communicated with the oil receiving mechanism 3 through the oil suction pipe 42. The oil pump is connected with the oil storage tank 41. The oil pump is used to deliver the materials in the oil storage tank 41 to the oil receiving mechanism 3 through the oil suction pipe 42. Specifically, the oil storage tank 41 is used to store anti-splashing oil to ensure sufficient material supply. By providing the oil storage tank 41, it can ensure that the automobile automatic oil brushing device 100 has sufficient material reserves, avoiding downtime or interruption caused by insufficient materials. The oil suction pipe 42 connects the oil storage tank 41 and the oil receiving mechanism 3. The oil suction pipe 42 serves as a channel for material delivery. The power provided by the oil pump enables the materials in the oil storage tank 41 to be delivered to the oil receiving mechanism 3 in a quantitative manner as needed, ensuring that the materials can be stably and continuously supplied to the brush assembly 22. Stable material delivery helps to maintain uniformity and continuity during the oil brushing process, reduces fluctuations in the quality of the oil brushing caused by unstable material supply, and forms an automatic material delivery mechanism for the automobile automatic oil brushing device 100, reducing the need for manual material addition, reducing labor costs and improving work efficiency, reducing the opportunity for workers to directly contact chemicals, and improving the safety of the working environment.

[0058] Please refer to Figure 1 , Figure 8 and Figure 9In an embodiment, the oil receiving mechanism 3 comprises an oil receiving tank 31 for containing materials, a first oil level sensor (not shown) and a second oil level sensor (not shown), the oil receiving tank 31 has a first upper limit position (not shown) and a first lower limit position (not shown), the first oil level sensor is located at the first upper limit position, and the second oil level sensor is located at the first lower limit position, both the first oil level sensor and the second oil level sensor are connected with the oil receiving tank 31, the first oil level sensor is used to detect whether the capacity of materials in the oil receiving tank 31 reaches the upper limit, the second oil level sensor is used to detect whether the capacity of materials in the oil receiving tank 31 reaches the lower limit, both the first oil level sensor and the second oil level sensor are electrically connected with the oil pump; and / or, the oil storage mechanism 4 further comprises a third oil level sensor (not shown) and a warning light (not shown), the oil storage tank 41 has a second lower limit position (not shown), the third oil level sensor is located at the second lower limit position and is connected with the oil storage tank 41, the third oil level sensor is used to detect whether the capacity of materials in the oil storage tank 41 reaches the lower limit, the warning light has a yellow light mode (not shown) and a green light mode (not shown), the third oil level sensor is electrically connected with the warning light; when the third oil level sensor detects that the capacity of materials in the oil storage tank 41 is higher than the second lower limit position, the warning light displays the green light mode, indicating that the capacity of materials in the oil storage tank 41 is sufficient; when the third oil level sensor detects that the capacity of materials in the oil storage tank 41 is lower than the second lower limit position, the warning light displays the yellow light mode, indicating that the capacity of materials in the oil storage tank 41 is insufficient; specifically, the oil receiving mechanism 3 and the oil storage mechanism 4 together constitute a linkage refueling device, realizing precise material monitoring and automatic oil supply system, reducing unnecessary material consumption and cost, the first oil level sensor and the second oil level sensor are arranged to realize real-time monitoring of the capacity of materials in the oil receiving tank 31, ensuring stable material supply during production process, both the first oil level sensor and the second oil level sensor are electrically connected with the oil pump, when the second oil level sensor detects that the materials in the oil receiving tank 31 are lower than the first lower limit position, the oil pump starts to deliver the materials in the oil storage tank 41 to the oil receiving tank 31 through the oil suction pipe 42, ensuring that there is always sufficient material supply in the oil receiving tank 31, preventing interruption of oil coating due to insufficient materials, when the first oil level sensor detects that the materials in the oil receiving tank 31 are higher than the first lower limit position, the oil pump is turned off, ensuring that the oil receiving tank 31 will not overflow due to excessive filling, avoiding material waste and environmental pollution, by arranging the first oil level sensor and the second oil level sensor, the oil pump can be automatically started or stopped according to actual demand, reducing manual intervention and improving work efficiency.The prompt light on the oil storage tank 41 changes color to intuitively inform the staff of the capacity of the material, when the third oil level sensor detects that the material in the oil storage tank 41 is lower than the second lower limit position, at this time the prompt light is in yellow light mode, so that the staff can timely add the material in the oil storage tank 41 in a manual or motorized manner, when the third oil level sensor detects that the material in the oil storage tank 41 is not lower than the second lower limit position, at this time the prompt light is in green light mode, showing that the material in the oil storage tank 41 is sufficient and does not need to be added, the clear visual prompt of the prompt light reduces the operation error caused by unclear information, and improves the safety and reliability of the overall operation; in the embodiment, the positions and sensitivities of the oil level sensors can be adjusted according to the specific production line requirements, so that different oiling tasks can be flexibly coped with.

[0059] In the embodiment, the oil storage mechanism 4 further comprises a fourth oil level sensor, the oil storage tank 41 has a second upper limit position, the fourth oil level sensor is located at the second upper limit position, and the fourth oil level sensor is connected with the oil storage tank 41; the fourth oil level sensor is used for detecting whether the capacity of the material in the oil storage tank 41 reaches the upper limit, and the fourth oil level sensor can ensure that the oil storage tank 41 will not overflow due to overfilling, thereby avoiding material waste and environmental pollution.

[0060] According to the embodiment of the utility model, the oil storage tank 41 has upper limit scale lines, and the staff can ensure that the oil storage tank 41 will not overflow due to overfilling by observing the upper limit scale lines, thereby avoiding material waste and environmental pollution.

[0061] Please refer to Figure 6In an embodiment, the automobile automatic oil brushing device 100 further comprises a scraping mechanism 5, the scraping mechanism 5 comprises a scraping ruler 51, the scraping ruler 51 is detachably connected with the oil receiving mechanism 3, and the mechanical arm 1 can drive the brush assembly 22 to abut against and move relative to the scraping ruler 51; specifically, the angle, speed and other parameters of the mechanical arm 1 can be flexibly adjusted according to actual production requirements, so that the brush assembly 22 moves relative to the scraping ruler 51, so that the brush assembly 22 can scrape the excess anti-splashing oil from the scraping ruler 51 under the condition of taking enough anti-splashing oil, the scraping ruler 51 can keep the material amount uniform every time of oiling, and uniform coating thickness is realized, so that the problems of prolonged drying time or surface quality caused by over-thick coating are prevented, and the excessive anti-splashing oil on the brush assembly 22 can be prevented from dropping on the equipment or other workpieces, the workload of cleaning and maintenance is reduced, the waste of the anti-splashing oil and other materials is significantly reduced, the scraped material can be recycled, the resource utilization rate is further improved, and the production cost is reduced; through the statistics of the actual production amount, 1 barrel of oil (18 liters) can be brushed for 300 cars when the oil is painted manually, the single use amount is 0.06L, after the automobile automatic oil brushing device 100 is adopted, 1 barrel of oil can be brushed for 664 cars, the single use amount is 0.027L, the single oil saving effect reaches 55%, and the single improvement amount can reach 0.5 yuan; and the detachable connection of the scraping ruler 51 and the oil receiving mechanism 3 makes the installation and replacement of the scraping ruler 51 more convenient, the downtime is reduced, and the availability and production efficiency of the equipment are improved. In the embodiment, the scraping ruler 51 and the oil receiving mechanism 3 can be detachably connected through bolts and nuts, limit pins or buckles, which are not limited in the embodiment. Figure 7 In the embodiment, the specific working process of the automobile automatic oil brushing device 100 is as follows: the automobile automatic oil brushing device 100 is started, the mechanical arm 1 first moves the brush assembly 22 to the oil receiving mechanism 3 according to a preset program, so that the brush assembly 22 is immersed in the anti-splashing oil to fully take the anti-splashing oil, after the material taking is completed, the mechanical arm 1 drives the brush assembly 22 to move to abut against and move relative to the scraping ruler 51, so as to complete the oil scraping action, then the mechanical arm 1 drives the brush assembly 22 to move to the waiting position, after it is sensed that the workpiece has reached the working position, the mechanical arm 1 drives the brush assembly 22 to move to the working position and starts to paint the surface of the workpiece, in the painting process, the mechanical arm 1 can flexibly adjust the angle, speed and other parameters according to the set requirements, so as to ensure the quality and coverage of the oiling, after the painting is completed, the mechanical arm 1 drives the brush assembly 22 to return to the original position, and waits for the next oil brushing.

[0062] The above-described is only an exemplary embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation made by using the utility model specification and drawing contents, or direct / indirect application in other related technical fields is included in the patent protection range of the utility model.

Claims

1. An automatic car paint brushing device, characterized in that, The automobile automatic oil brushing device comprises a mechanical arm, an oil brushing mechanism and an oil receiving mechanism, the oil receiving mechanism is used for containing materials, the oil brushing mechanism comprises a connecting assembly and a brush assembly, the brush assembly is connected with the connecting assembly, the connecting assembly is connected with the mechanical arm, the mechanical arm can drive the brush assembly to move into the oil receiving mechanism to absorb the materials in the oil receiving mechanism, and the mechanical arm can drive the brush assembly with the materials to brush workpieces.

2. The automatic oil brushing device for an automobile according to claim 1, wherein The brush assembly comprises a fixing piece and a brush piece, the brush piece is detachably connected with the fixing piece, the fixing piece is detachably connected with the connecting assembly, and the connecting assembly is detachably connected with the mechanical arm.

3. The automatic oil brushing device for an automobile according to claim 2, wherein The brush piece comprises a first layer of brushes and a second layer of brushes, the fixing piece comprises a first clamping plate, a second clamping plate, a handle and a first bolt, the first clamping plate is provided with a positioning column, the positioning column is provided with a threaded hole, the first layer of brushes is provided with a first through hole, the second layer of brushes is provided with a second through hole, the second clamping plate is provided with a third through hole, the positioning column passes through the first through hole, the second through hole and the third through hole in sequence, the first bolt is threadedly connected with the threaded hole, the handle is connected with the second clamping plate, and the handle is detachably connected with the connecting assembly.

4. The automatic oil brushing device for an automobile according to claim 3, wherein The fixing piece further comprises a gasket, the gasket is provided with a fourth through hole, the gasket is located between the first layer of brushes and the second layer of brushes, and the positioning column passes through the first through hole, the fourth through hole, the second through hole and the third through hole in sequence, so that the threaded hole is threadedly connected with the first bolt.

5. The automatic oil brushing device for an automobile according to claim 3, wherein The connecting assembly comprises a limiting frame, a connecting plate, a second bolt and a nut, the limiting frame is connected with the connecting plate, the limiting frame is provided with a limiting groove for accommodating the handle, the handle can abut against the groove wall of the limiting groove, the handle is provided with a first mounting hole, the connecting plate is provided with a second mounting hole, the second bolt passes through the first mounting hole and the second mounting hole and is threadedly connected with the nut, and the connecting plate is detachably connected with the mechanical arm.

6. The automatic oil brushing device for an automobile according to claim 5, wherein The brush assembly further comprises an error prevention piece, the limiting frame comprises a first limiting plate, a second limiting plate and a third limiting plate, the first limiting plate and the second limiting plate are connected with the third limiting plate, the length of the first limiting plate is less than that of the second limiting plate, the first limiting plate, the second limiting plate and the third limiting plate are connected with the connecting plate, the first limiting plate, the second limiting plate and the third limiting plate enclose the limiting groove, and the error prevention piece is connected with the connecting plate. When the error prevention piece abuts against the first limiting plate, the first mounting hole is aligned with the second mounting hole. When the error prevention piece abuts against the second limiting plate, the first mounting hole and the second mounting hole are arranged in dislocation.

7. The automatic oil brushing device for an automobile according to claim 3, wherein The length of the brush assembly is L, 280mm≤L≤290mm, the width of the brush assembly is W, 226mm≤W≤236mm, and the thickness of the brush assembly is H, 35≤H≤45mm. and / or, The first layer of brushes comprises at least one first brush, and each first brush is provided with a first through hole; and / or, The second layer of brushes comprises at least one second brush, and each second brush is provided with a first through hole.

8. The automatic oil brushing device for an automobile according to any one of claims 1 to 7, wherein The automatic oil brushing device for the automobile further comprises an oil storage mechanism, the oil storage mechanism comprises an oil storage tank, an oil pumping pipe and an oil pump, the oil storage tank is used for containing the material, the oil storage tank is communicated with the oil receiving mechanism through the oil pumping pipe, and the oil pump is connected with the oil storage tank.

9. The automatic oil brushing device for an automobile according to claim 8, wherein The oil receiving mechanism comprises an oil receiving tank, a first oil amount sensor and a second oil amount sensor, the oil receiving tank is used for containing the material, the oil receiving tank has a first upper limit position and a first lower limit position, the first oil amount sensor is located at the first upper limit position, the second oil amount sensor is located at the first lower limit position, the first oil amount sensor and the second oil amount sensor are connected with the oil receiving tank, the first oil amount sensor is used for detecting whether the capacity of the material in the oil receiving tank reaches an upper limit, the second oil amount sensor is used for detecting whether the capacity of the material in the oil receiving tank reaches a lower limit, and the first oil amount sensor and the second oil amount sensor are electrically connected with the oil pump; and / or, The oil storage mechanism further comprises a third oil amount sensor and a prompt lamp, the oil storage tank has a second lower limit position, the third oil amount sensor is located at the second lower limit position, and the third oil amount sensor is connected with the oil storage tank, the third oil amount sensor is used for detecting whether the capacity of the material in the oil storage tank reaches a lower limit, the prompt lamp has a yellow light mode and a green light mode, and the third oil amount sensor is electrically connected with the prompt lamp; When the third oil amount sensor detects that the capacity of the material in the oil storage tank is higher than the second lower limit position, the prompt lamp displays a green light mode, indicating that the capacity of the material in the oil storage tank is sufficient; When the third oil amount sensor detects that the capacity of the material in the oil storage tank is lower than the second lower limit position, the prompt lamp displays a yellow light mode, indicating that the capacity of the material in the oil storage tank is insufficient.

10. The automatic oil brushing device for an automobile according to any one of claims 1 to 7, wherein The automatic oil brushing device for the automobile further comprises an oil scraping mechanism, the oil scraping mechanism comprises an oil scraping ruler, the oil scraping ruler is detachably connected with the oil receiving mechanism, and the mechanical arm can drive the brush assembly to abut against the oil scraping ruler and move relative to the oil scraping ruler.