A full-automatic painting equipment for automobile industry

Abstract

The application discloses a full-automatic painting equipment for automobile industry manufacturing, which comprises an inspection bin, a movable electric track and a supporting seat. The movable electric track is laid in the inspection bin, and the supporting seat is installed on the movable electric track and moves along the movable electric track. A positioning and locking device is arranged on the supporting seat. An automatic paint spraying manipulator is arranged on the two sides of the movable electric track. A detection structure is arranged on the inspection bin and located on one side of the movable electric track. A marking structure is arranged on the detection structure. The full-automatic painting equipment has the beneficial effects that the automatic quality inspection equipment is used to preliminarily detect, position and automatically mark the damaged places on the surface of the vehicle. Then, the automatic scanning equipment is used to scan the marked positions of the whole vehicle, and corresponding treatment is carried out. The marking is removed, and the vehicle is moved to the qualified delivery area.

Description

Technical Field

[0001] This invention relates to the manufacturing field, and in particular to a fully automated painting equipment for the automotive industry. Background Technology

[0002] After the initial production of a car is completed, its surface needs to be painted. At present, the level of painting in China is mainly reflected in the large automobile manufacturing plants in China. Cars generally undergo an electrophoresis process to apply the first coat of paint to the surface, and then the painting robot sprays the paint from multiple angles and directions to make the paint surface more uniform. However, problems still occur. For the quality inspection of the car after painting, the vehicle needs to be transferred to other workshops. After the quality inspection is completed, the problematic areas need to be marked, and the operators will then polish the affected areas. The problematic vehicle surfaces need to be transferred a second time for processing.

[0003] This case study addresses the aforementioned issues in depth, providing a comprehensive automated production line for vehicle painting, quality inspection, and repair. Summary of the Invention

[0004] The purpose of this invention is to solve the above problems by designing a fully automated painting equipment for the automotive industry.

[0005] The technical solution of the present invention to achieve the above objectives is a fully automatic painting equipment for automobile manufacturing, comprising an inspection chamber, a movable electric guide rail, and a support base. The movable electric guide rail is laid in the inspection chamber, and the support base is installed on the movable electric guide rail and moves along it. A positioning lock is provided on the support base, and automatic painting robots are provided on both sides of the movable electric guide rail. The feature is that a detection structure is provided in the inspection chamber, and a marking structure is provided on the detection structure.

[0006] A paint bump cleaning structure is also provided on one side of the movable electric rail, and a mark removal structure is also provided on the paint bump cleaning structure.

[0007] The positioning locking device includes: a positioning seat, a bottom beam fixer, and two inner supports;

[0008] The internal support includes: a lifting drive, an upper rotating column, an upper limit arm, a lower limit arm, a lower rotating column, an air column, two sets of folding movable arms, several return springs, an air pump, and multiple sections of central column support beam;

[0009] The lifting driver is mounted on the support base. The upper rotating column and the lower rotating column are movably connected. The rotating column is mounted on the telescopic end of the lifting driver. The upper limit arm is connected to the upper rotating column. Its upper end is plate-shaped and its lower end is a long polyhedron. The lower limit arm is mounted on the lower rotating column. It is a polyhedron. The upper limit arm and the lower limit arm can limit the upper rotating column and the lower rotating column by contacting any of their facets.

[0010] The upper limit arm and the lower limit arm are fixed to the upper rotating column and the lower rotating column by bolts, and the upper rotating column and the lower rotating column have several rows of threaded holes at equal angles on their walls.

[0011] The two sets of folding movable arms are respectively connected to the upper rotating column and the lower rotating column. Each set of folding movable arms is composed of two sets of multi-section arm bodies connected by pins at each end. Several air columns are interconnected, and the path of the air columns when inflated is the same as the path of the folding movable arm after it is unfolded. On the air column, at part A on one side of the pin connection of each section of the folding movable arm, the wall thickness of part A is smaller than the wall surface of other parts, and the area of ​​part A is larger than the area of ​​any other part of the air column. The return spring is assembled at the pin connection of the folding movable arm body, and the air column is expanded by air supplied by an air pump.

[0012] The upper and lower ends of the multi-section central column support beam are connected to the corresponding upper and lower ends of each set of folding movable arms, and the multi-section central column support beam is shaped to fit the inner groove of the central column of the car frame.

[0013] Preferably, the detection structure includes: a detection gate and multiple first paint surface detectors;

[0014] The inspection door is installed on a movable electric guide rail, and multiple first paint surface inspection instruments are distributed at equal angles on the inspection door.

[0015] Preferably, the marking structure includes: a first arc-shaped guide rail, a first electric slide body, a first electric push rod, a drive box, a marking wheel body, and an immersion box;

[0016] The first arc-shaped guide rail is installed on the detection gate, the first electric slide body is installed on the first arc-shaped guide rail and moves along the first arc-shaped guide rail, the first electric push rod is installed on the first electric slide body, and the drive box is installed on the telescopic end of the first electric push rod. The drive box has a hollow cavity structure, and the opposite walls of the drive box have grooves. The grooves contain sliding parts, and there is an installation shaft between the sliding parts. The marking wheel is fitted onto the installation shaft. The sliding parts have a driver. The outer wall of the drive box is equipped with a telescopic motor, which is connected to the sliding part on the other side. The marking wheel is made of flexible material, and the wall of the marking wheel has multiple printed raised rings distributed at equal angles. The printed raised rings are in contact with the vehicle surface.

[0017] The upper part of the drive box has a pair of rotating shafts, which are driven by a drive motor. The left and right side walls of the immersion box are connected to the pair of rotating shafts through two connecting rods. The immersion box contains dye, and the end face of the immersion box has a feeding structure.

[0018] Preferably, the feeding structure includes: four elastic elements, a cover, a core, an inner cavity, and a dye plate;

[0019] The inner cavity is set in the immersion box, the core is inserted into the inner cavity and one end protrudes out of the inner cavity, the inner cavity and the core are sealed, the four elastic members are installed at the four corners of the upper end of the immersion box, the cover is set on the four elastic members, and the dye plate is embedded in the cover.

[0020] The maximum rotation angle of the connecting rod is 30-45°;

[0021] The dye plate consists of a base plate and curved plates on the left and right sides of the base plate.

[0022] Preferably, the paint bump cleaning structure includes: a gantry frame, a robotic arm, and a polishing structure;

[0023] The gantry frame spans the moving electric guide rail, the robotic arm is mounted on the gantry frame, the polishing structure is set on the robotic arm, the robotic arm is also equipped with a scanner for locating the marking position of the marking structure, and the robotic arm is also equipped with a second paint surface detector for secondary inspection of the marked paint surface after polishing.

[0024] The demarking structure includes: a second arc-shaped guide rail, a second electric slide body, a second electric push rod, a rotary motor, a cleaning wheel, and a storage box;

[0025] The second arc-shaped guide rail is installed on the detection door, the second electric slide is installed on the second arc-shaped guide rail and moves along the second arc-shaped guide rail, the second electric push rod is installed on the second electric slide, the storage box is installed on the telescopic end of the second electric push rod, and the cleaning wheel is installed at the bottom of the storage box and driven by a rotary motor.

[0026] Preferably, the bottom of the second arc-shaped guide rail has a support frame.

[0027] Preferably, the cleaning bristles are replaceable.

[0028] Preferably, the robotic arm is a multi-axis robotic arm.

[0029] The present invention relates to a fully automated painting equipment for the automotive industry. This equipment utilizes automated quality inspection equipment to perform preliminary inspection, locate and automatically mark damaged areas on the vehicle surface, and then uses automated scanning equipment to scan all marked areas on the vehicle, perform corresponding processing, remove the marks, and transfer the vehicle to the qualified delivery area. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the structure of a fully automatic painting equipment for automobile manufacturing according to the present invention;

[0031] Figure 2 This is a schematic diagram of the internal support device described in this invention;

[0032] Figure 3 This is a schematic diagram of the internal support device described in this invention;

[0033] Figure 4 This is a schematic diagram of the structure of part A described in this invention;

[0034] Figure 5 This is a top view of the upper limit arm and lower limit arm described in this invention.

[0035] Figure 6 This is a schematic diagram of the detection structure described in this invention;

[0036] Figure 7 This is a schematic diagram of the marking structure described in this invention;

[0037] Figure 8 This is a partial structural schematic diagram of the marking structure described in this invention;

[0038] Figure 9 This is a partial structural schematic diagram of the marking structure described in this invention;

[0039] Figure 10 This is a schematic diagram of the paint surface bump cleaning structure described in this invention;

[0040] Figure 11 This is a schematic diagram of the marker removal structure described in this invention;

[0041] Figure 12 This is a schematic diagram of the structure of a fully automatic painting equipment for automobile manufacturing according to the present invention;

[0042] In the diagram, 1. Inspection chamber; 2. Moving electric guide rail; 3. Support base; 4. Positioning base; 5. Bottom beam fixer; 6. Lifting drive; 7. Upper rotating column; 8. Upper limit arm; 9. Lower limit arm; 10. Lower rotating column; 11. Air column; 12. Folding movable arm; 13. Return spring; 14. Air pump; 15. Middle column support beam; 16. Inspection door; 17. First paint surface inspector; 18. Part A; 19. First arc-shaped guide rail; 20. First electric slide body; 21. The... 1. Electric push rod; 22. Drive box; 23. Marking wheel; 24. Immersion box; 25. Slide groove; 26. Sliding part; 27. Telescopic motor; 28. Printing ring; 29. ​​Gantry frame; 30. Robotic arm; 31. Second arc-shaped guide rail; 32. Second electric slide body; 33. Second electric push rod; 34. Rotary motor; 35. Cleaning wheel; 36. Storage box; 37. Elastic element; 38. Cover; 39. Clamping core; 40. Inner cavity; 41. Dye plate; 42. Connecting rod. Detailed Implementation

[0043] The present invention will now be described in detail with reference to the accompanying drawings, such as... Figure 1-12 As shown, this is a fully automated painting equipment for the automotive industry.

[0044] An automated painting equipment for automobile manufacturing includes an inspection chamber 1, a movable electric guide rail 2, and a support base 3. The movable electric guide rail is laid in the inspection chamber 1, and the support base 3 is installed on the movable electric guide rail 2 and moves along it. The support base 3 has a positioning lock. An automatic painting robot is set on both sides of the movable electric guide rail 2. In the inspection chamber 1, and on one side of the movable electric guide rail 2, a detection structure is set, and a marking structure is set on the detection structure.

[0045] A paint surface bump cleaning structure is also provided on one side of the movable electric guide rail 2, and a mark removal structure is also provided on the paint surface bump cleaning structure.

[0046] It should be noted that the frame is first placed on the support seat 3 and supported and fixed by the positioning lock. The vehicle is first sprayed by the automatic painting robot. After the painting is completed, it enters the inspection chamber 1. The inspection structure in the inspection chamber 1 is used for inspection, and the marking structure marks the detected defects. Then, the paint surface bump cleaning structure is used for repair, and the marking structure removes the marks.

[0047] Specifically, the positioning locking device includes: positioning seat 4, bottom beam fixer 5 (generally, the vehicle chassis has at least 3 crossbeams with a certain interval, and the bottom beam fixer 5 is a structure that can fix and clamp the crossbeams, such as a cylinder-driven clamping arm or other structure) and 2 inner supports.

[0048] The internal support includes: a lifting drive 6, an upper rotating column 7, an upper limit arm 8, a lower limit arm 9, a lower rotating column 10, an air column 11, two sets of folding movable arms 12, several return springs 13, an air pump 14, and a multi-section central column support beam 15.

[0049] The lifting drive 6 is mounted on the support base 3. The upper rotating column 7 and the lower rotating column 10 are movably connected. The rotating column is mounted on the telescopic end of the lifting drive 6. The upper limit arm 8 is connected to the lower rotating column 10. Its upper end is plate-shaped and its lower end is a long strip of multifaceted prism. The lower limit arm 9 is mounted on the lower rotating column 10. It is a multifaceted prism. The upper limit arm 8 and the lower limit arm 9 can limit the upper rotating column 7 and the lower rotating column 10 after contacting any of their facets.

[0050] It should be noted that, firstly, the lifting drive 6 drives the lower rotating column 10 and the upper rotating column 7 to rise, and enter the vehicle frame through the gap between the three crossbeams at the bottom of the frame. In order to further fix the vehicle frame, it is necessary to adjust the rotation angle between the upper rotating column 7 and the lower rotating column 10 to control the specific position of the two sets of folding movable arms 12. The specific adjustment is achieved by the mutual restriction between the upper limit arm 8 and the lower limit arm 9 to achieve the position of the two sets of folding movable arms 12 installed on the upper rotating column 7 and the lower rotating column 10 respectively. This design is to prevent the upper rotating column 7 and the lower rotating column 10 from moving relative to each other, thereby causing displacement and resulting in insufficient support stability.

[0051] Specifically, the upper limit arm 8 and the lower limit arm 9 are fixed to the upper rotating column 7 and the lower rotating column 10 by bolts, and the upper rotating column 7 and the lower rotating column 10 have several rows of threaded holes at equal angles on their walls.

[0052] The aforementioned technical measures are mainly to support different vehicle models, thereby facilitating later adjustments;

[0053] Specifically, the two sets of folding movable arms 12 are connected to the upper rotating column 7 and the lower rotating column 10 respectively. Each set of folding movable arms 12 is composed of two sets of multi-section arm bodies connected by pins at each end. Several air columns 11 are interconnected, and the path of the air column 11 when it is inflated is the same as the path of the folding movable arm 12 after it is unfolded. On the air column 11, and on one side of the pin connection part of each section of the folding movable arm 12, the wall thickness of this part is smaller than the wall surface of other parts, and the area of ​​this part is larger than the area of ​​any identical part of the air column 11 of that section. The return spring 13 is assembled at the pin connection part of the folding movable arm 12. The air column 11 is supplied with air by the air pump 14 for expansion.

[0054] The upper and lower ends of the multi-section center column support beam 15 are connected to the corresponding upper and lower ends of each set of folding movable arms 12, and the multi-section center column support beam 15 is shaped to fit the inner groove of the center column of the car frame.

[0055] It should be noted that the air column 11 is inflated by the air pump 14. After the air column 11 is inflated, it will unfold and move along with the multi-section arm of the folding movable arm 12 connected to each section of the air column 11, thereby achieving full unfolding. Considering that the air column 11 is made of rubber after contraction, and rubber cannot be further compressed after compression, a part on the air column 11, located on one side of the pin connection part of each section of the folding movable arm 12, has a wall thickness smaller than the wall surface of other parts, and the area of ​​this part is larger than the area of ​​any similar part of that section of the air column 11. After the air column 11 releases gas, the folding movable arm 12 begins to contract through the return spring 13. The folding part of the air column 11 is the compression part. Therefore, the above-mentioned technical means are adopted.

[0056] Specifically, the detection structure includes: a detection gate 16 and multiple first paint surface detectors 17;

[0057] The inspection door 16 is installed on the movable electric guide rail 2, and multiple first paint surface inspectors 17 are distributed at equal angles on the inspection door 16.

[0058] After the vehicle passes through the inspection gate 16, it goes through multiple first paint surface inspection instruments 17 to start the inspection, locate the defective parts, and then mark the parts through the marking structure.

[0059] Specifically, the marking structure includes: a first arc-shaped guide rail 19, a first electric slide body 20, a first electric push rod 21, a drive box 22, a marking wheel body 23, and an immersion box 24;

[0060] The first arc-shaped guide rail 19 is installed on the detection gate 16. The first electric slide body 20 is installed on the first arc-shaped guide rail 19 and moves along the first arc-shaped guide rail 19. The first electric push rod 21 is installed on the first electric slide body 20. The drive box 22 is installed on the telescopic end of the first electric push rod 21. The drive box 22 has a hollow structure inside. The opposite wall of the drive box 22 is provided with a sliding groove 25. The sliding groove 25 has a sliding member 26 inside. There is an installation shaft between the sliding members 26. There is a driver on the sliding member 26. The outer wall of the drive box 22 is provided with a telescopic motor 27. The telescopic motor 27 is connected to the sliding member 26 on the other side. The marking wheel 23 is fitted on the installation shaft. The marking wheel 23 is made of flexible material. The wall of the marking wheel 23 has multiple printed raised rings 28 distributed at equal angles. The printed raised rings 28 are in contact with the vehicle surface.

[0061] The upper part of the drive box 22 has a pair of rotating shafts, which are driven by a drive motor. The left and right side walls of the immersion box 24 are connected to the pair of rotating shafts through two connecting rods 42. The dye is immersed inside the immersion box 24, and the end face of the immersion box 24 has a feeding structure.

[0062] It should be noted that when the paint inspection instrument detects a defect, it is necessary to control the first electric slide body 20 to move to the corresponding angle on the first arc-shaped guide rail 19, control the first electric push rod 21 to push out the drive box 22 and bring it close to the defect area, and then control the telescopic motor 27 on the drive box 22 to move the slide 26. The slide 26 then lowers the marking wheel 23 on the mounting shaft. The drive motor needs to flip the immersion box 24 and add dye to the marking wheel 23 through the feeding structure in the immersion box 24. Then the slide 26 rises and takes the marking wheel 23 away from the immersion box 24. The drive motor flips the immersion box 24 back to its original position. The marking wheel 23 fits against the defect surface of the vehicle and is driven by the driver to rotate the mounting shaft, thus printing the dye on the defect surface of the vehicle.

[0063] The feeding structure includes: four elastic elements 37, a cover 38, a core 39, an inner cavity 40, and a dye plate 41;

[0064] The inner cavity 40 is set in the immersion box 24, the core 39 is inserted into the inner cavity 40 and one end protrudes from the inner cavity 40, the inner cavity 40 and the core 39 are sealed, four elastic members 37 are installed at the four corners of the upper end of the immersion box 24, the cover 38 is set on the four elastic members 37, and the dye plate 41 is embedded in the cover 38.

[0065] The maximum rotation angle of the connecting rod 42 is 30-45 degrees.

[0066] It should be noted that in this case, when the marking wheel 23 descends, it will squeeze the dye plate 41. Since the dye plate 41 is embedded in the cover 38, the cover 38 and the dye plate 41 also descend, which in turn causes the end of the clamp 39 to be pressed by the dye plate 41. Since a part of the clamp 39 is located in the inner cavity 40, the inner cavity 40 contains dye. The dye is transferred to the dye plate 41 through the clamp 39 and dyes the marking wheel 23. In order to prevent the dye from flowing out along the clamp 39 after the immersion box 24 flips up, the maximum rotation angle of the connecting rod 42 is set to 30-45 degrees. When the rotation is tilted, the clamp 39 will have a small amount of contact with the dye inside or no contact at all.

[0067] The dye plate 41 consists of a base plate and curved plates on the left and right sides of the base plate;

[0068] It should be noted that both the dye plate 41 and the core 39 are made of materials that can absorb and transfer liquids quickly, such as high-density fiber cotton and nylon.

[0069] Specifically, the paint bump cleaning structure includes: gantry frame 29, robotic arm 30, and polishing structure;

[0070] A gantry frame 29 spans a moving electric guide rail 2. A robotic arm 30 is mounted on the gantry frame 29. A polishing structure is set on the robotic arm 30. The robotic arm 30 also has a scanner for locating the marking position of the marking structure. A second paint surface inspector is also set on the robotic arm 30 for secondary inspection of the marked paint surface after polishing.

[0071] The marking removal structure includes: a second arc-shaped guide rail 31, a second electric slide body 32, a second electric push rod 33, a rotary motor 34, and a cleaning wheel 35;

[0072] The second arc-shaped guide rail 31 is installed on the detection door 16. The second electric slide body 32 is installed on the second arc-shaped guide rail 31 and moves along the second arc-shaped guide rail 31. The second electric push rod 33 is installed on the second electric slide body 32. The storage box 36 is installed on the telescopic end of the second electric push rod 33. The cleaning wheel 35 is installed at the bottom of the storage box 36 and is driven by the rotary motor 34. Several cleaning bristles are laid on the outer wall of the cleaning wheel 35, and there are friction-enhancing cleaning blocks placed on the cleaning wheel 35 among the several cleaning bristles. The storage box 36 contains cleaning liquid, and the bottom of the storage box 36 has a liquid outlet hole, which is connected to the inside of the storage box 36 through a pipeline and a small pump.

[0073] It should be noted that this technical solution requires a rotary motor 34 to drive the cleaning wheel 35 to rotate. The cleaning wheel 35 will contact the marked area on the wheel surface and remove the dye. A certain amount of cleaning agent can be added to the cleaning wheel 35.

[0074] In summary, the above-mentioned technical methods have enabled a more automated intelligent manufacturing production line for comprehensive paint repair and inspection of vehicle surfaces.

[0075] Specifically, the bottom of the second arc-shaped guide rail 31 has a support frame.

[0076] Specifically, the cleaning brushes are replaceable.

[0077] The above technical solutions only embody the preferred technical solutions of the present invention. Any modifications that may be made by those skilled in the art to certain parts thereof embody the principles of the present invention and fall within the protection scope of the present invention.

Claims

1. A fully automated painting equipment for automotive manufacturing, comprising an inspection chamber, a movable electric guide rail, and a support base, wherein the movable electric guide rail is laid in the inspection chamber, the support base is mounted on the movable electric guide rail and moves along it, the support base is provided with a positioning lock, and automatic painting robots are provided on both sides of the movable electric guide rail, characterized in that... In the inspection chamber, a detection structure is provided on one side of the movable electric rail, and a marking structure is provided on the detection structure; A paint bump cleaning structure is also provided on one side of the movable electric rail, and a mark removal structure is also provided on the paint bump cleaning structure. The positioning locking device includes: a positioning seat, a bottom beam fixer, and two inner supports; The internal support includes: a lifting drive, an upper rotating column, an upper limit arm, a lower limit arm, a lower rotating column, an air column, two sets of folding movable arms, several return springs, an air pump, and multiple sections of central column support beam; The lifting driver is mounted on the support base. The upper rotating column and the lower rotating column are movably connected. The rotating column is mounted on the telescopic end of the lifting driver. The upper limit arm is connected to the upper rotating column. Its upper end is plate-shaped and its lower end is a long polyhedron. The lower limit arm is mounted on the lower rotating column. It is a polyhedron. The upper limit arm and the lower limit arm can limit the upper rotating column and the lower rotating column by contacting any of their facets. The upper limit arm and the lower limit arm are fixed to the upper rotating column and the lower rotating column by bolts, and the upper rotating column and the lower rotating column have several rows of threaded holes at equal angles on their walls. The two sets of folding movable arms are respectively connected to the upper rotating column and the lower rotating column. Each set of folding movable arms is composed of two sets of multi-section arm bodies connected by pins at each end. Several air columns are interconnected, and the path of the air columns when inflated is the same as the path of the folding movable arm after it is unfolded. On the air column, at part A on one side of the pin connection of each section of the folding movable arm, the wall thickness of part A is smaller than the wall surface of other parts, and the area of ​​part A is larger than the area of ​​any other part of the air column. The return spring is assembled at the pin connection of the folding movable arm body, and the air column is expanded by air supplied by an air pump. The upper and lower ends of the multi-section central column support beam are connected to the corresponding upper and lower ends of each set of folding movable arms, and the multi-section central column support beam is shaped to fit the inner groove of the central column of the car frame.

2. The fully automatic painting equipment for automobile manufacturing according to claim 1, characterized in that, The detection structure includes: a detection gate and multiple first paint surface detectors; The inspection door is installed on a movable electric guide rail, and multiple first paint surface inspection instruments are distributed at equal angles on the inspection door.

3. The fully automatic painting equipment for automobile manufacturing according to claim 2, characterized in that, The marking structure includes: a first arc-shaped guide rail, a first electric slide body, a first electric push rod, a drive box, a marking wheel body, and an immersion box; The first arc-shaped guide rail is installed on the detection gate, the first electric slide body is installed on the first arc-shaped guide rail and moves along the first arc-shaped guide rail, the first electric push rod is installed on the first electric slide body, and the drive box is installed on the telescopic end of the first electric push rod. The drive box has a hollow cavity structure, and the opposite walls of the drive box have grooves. The grooves contain sliding parts, and there is an installation shaft between the sliding parts. The marking wheel is fitted onto the installation shaft. The sliding parts have a driver. The outer wall of the drive box is equipped with a telescopic motor, which is connected to the sliding part on the other side. The marking wheel is made of flexible material, and the wall of the marking wheel has multiple printed raised rings distributed at equal angles. The printed raised rings are in contact with the vehicle surface. The upper part of the drive box has a pair of rotating shafts, which are driven by a drive motor. The left and right side walls of the immersion box are connected to the pair of rotating shafts through two connecting rods. The immersion box contains dye, and the end face of the immersion box has a feeding structure.

4. The fully automatic painting equipment for automobile manufacturing according to claim 3, characterized in that, The feeding structure includes: four elastic elements, a cover, a core, an inner cavity, and a dye plate; The inner cavity is set in the immersion box, the core is inserted into the inner cavity and one end protrudes out of the inner cavity, the inner cavity and the core are sealed, the four elastic members are installed at the four corners of the upper end of the immersion box, the cover is set on the four elastic members, and the dye plate is embedded in the cover. The maximum rotation angle of the connecting rod is 30-45°; The dye plate consists of a base plate and curved plates on the left and right sides of the base plate.

5. The fully automatic painting equipment for automobile manufacturing according to claim 1, characterized in that, The paint bump cleaning structure includes: a gantry frame, a robotic arm, and a polishing structure; The gantry frame spans the moving electric guide rail, the robotic arm is mounted on the gantry frame, the polishing structure is set on the robotic arm, the robotic arm is also equipped with a scanner for locating the marking position of the marking structure, and the robotic arm is also equipped with a second paint surface detector for secondary inspection of the marked paint surface after polishing. The demarking structure includes: a second arc-shaped guide rail, a second electric slide body, a second electric push rod, a rotary motor, a cleaning wheel, and a storage box; The second arc-shaped guide rail is installed on the detection door, the second electric slide is installed on the second arc-shaped guide rail and moves along the second arc-shaped guide rail, the second electric push rod is installed on the second electric slide, the storage box is installed on the telescopic end of the second electric push rod, the cleaning wheel is installed at the bottom of the storage box and is driven by a rotary motor, and a number of cleaning bristles are laid on the outer wall of the cleaning wheel.

6. The fully automatic painting equipment for automobile manufacturing according to claim 5, characterized in that, The bottom of the second arc-shaped guide rail has a support frame.

7. The fully automatic painting equipment for automobile manufacturing according to claim 5, characterized in that, The cleaning brush is replaceable.

8. The fully automatic painting equipment for automobile manufacturing according to claim 5, characterized in that, The robotic arm is a multi-axis robotic arm.

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