CN110743747A - Automatic paint spraying system and method for carriage - Google Patents

Automatic paint spraying system and method for carriage Download PDF

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Publication number
CN110743747A
CN110743747A CN201911175868.4A CN201911175868A CN110743747A CN 110743747 A CN110743747 A CN 110743747A CN 201911175868 A CN201911175868 A CN 201911175868A CN 110743747 A CN110743747 A CN 110743747A
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CN
China
Prior art keywords
paint
paint spraying
carriage
axis
spray gun
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911175868.4A
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Chinese (zh)
Inventor
易达宇
周迪文
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Guangzhou Shengjichuan Industrial Equipment Co Ltd
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Guangzhou Shengjichuan Industrial Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Shengjichuan Industrial Equipment Co Ltd filed Critical Guangzhou Shengjichuan Industrial Equipment Co Ltd
Priority to CN201911175868.4A priority Critical patent/CN110743747A/en
Publication of CN110743747A publication Critical patent/CN110743747A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B16/00—Spray booths
    • B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0278—Arrangement or mounting of spray heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
    • B05B13/0405—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with reciprocating or oscillating spray heads
    • B05B13/041—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with reciprocating or oscillating spray heads with spray heads reciprocating along a straight line
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/62—Arrangements for supporting spraying apparatus, e.g. suction cups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0254—After-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/56—Three layers or more
    • B05D7/58—No clear coat specified
    • B05D7/584—No clear coat specified at least some layers being let to dry, at least partially, before applying the next layer

Abstract

The invention discloses an automatic paint spraying system and method for a carriage, the paint spraying system adopts a rail walking type door-shaped frame body, the two sides and the top of the frame body are respectively provided with a paint spraying mechanism capable of reciprocating, in the walking process of the frame body, paint spraying operation is synchronously carried out on each surface of the carriage, and the door-shaped frame can finish a length direction stroke in a very short time, so that one paint is sprayed on the outer surface of the carriage, the efficiency is extremely high, and the paint spraying time is greatly saved; the paint can be sprayed once only in a short time, so that the time difference of the paint spraying of each part of the carriage is controlled within a small range, the carriage can be kept standing and dried after the paint is sprayed once, the same drying time of each part of the carriage can be basically ensured, and the next paint can be quickly sprayed in an integrated manner, so that the paint spraying quality is greatly improved, and the quality is stable and controllable; the paint spraying mechanism is provided with a plurality of spray guns, and is correspondingly provided with a plurality of paint boxes, different paint vehicles can be added according to the paint spraying process, and various paint spraying requirements are met.

Description

Automatic paint spraying system and method for carriage
Technical Field
The invention relates to the technical field of carriage spraying, in particular to an automatic carriage paint spraying system and method.
Background
The train carriage needs to be painted, and the painting not only enables the carriage appearance to be attractive, but also can effectively prevent the carriage from being oxidized, and prolong the service life of the carriage.
In the prior art, the painting of train carriages is generally carried out in a manual painting mode or a semi-automatic painting mode. The former paint spraying mode is not only low in efficiency and poor in control of paint spraying quality, but also is easy to cause accidents endangering the safety of workers, and the manual paint spraying mode is gradually eliminated. The mode of semi-automatic spraying paint, adopt automatic paint spraying apparatus to spray paint to the carriage, although can improve the efficiency of spraying paint, nevertheless because the carriage is longer, so current automatic paint spraying apparatus can only carry out the segmentation to the carriage and spray paint, need the workman to move the position of automatic paint spraying apparatus and correction equipment at the in-process of spraying paint, this process need consume longer time, and spray paint often need to spout several lacquer on the carriage surface, need to stand after having spouted one lacquer and dry, just can spout one lacquer, and automatic paint spraying apparatus can only wait that each district section spouts once again from beginning to end after having spouted one lacquer, the lacquer way that leads to each district section can not dry same time, so the segmentation sprays paint has the not good controllable defect of quality equally.
For the above reasons, it is highly desirable to design an automatic paint spraying system with higher paint spraying efficiency and more controllable paint spraying quality.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an automatic paint spraying system and method for a carriage, so as to improve the paint spraying efficiency and quality of the carriage.
In order to achieve the purpose, the invention provides the following technical scheme:
an automatic paint spraying system for a vehicle cabin, comprising: two sets of Z-axis supporting beams arranged along the length direction of the carriage, two sets of Y-axis supporting beams arranged along the height direction of the carriage and a set of X-axis supporting beams arranged along the width direction of the carriage, wherein the Z-axis supporting beams, the Y-axis supporting beams and the Z-axis supporting beams are all provided with a travelling mechanism capable of moving back and forth along respective axial directions, the two sets of Y-axis supporting beams and the set of X-axis supporting beams form a movable frame in a shape of a door, the lower end of each Y-axis supporting beam is connected with the travelling mechanism on the Z-axis supporting beam, the Y-axis supporting beams are also provided with a side surface paint spraying mechanism used for spraying paint to the side surface of the carriage, the side surface paint spraying mechanism is connected with the travelling mechanism on the Y-axis supporting beam, the X-axis supporting beams are also provided with a top surface paint spraying mechanism used for spraying, the side surface paint spraying mechanism and the top surface paint spraying mechanism are both connected with a paint box through a paint pump.
As a preferable scheme: the travelling mechanism on the Y-axis supporting beam is further fixed with a telescopic mechanism arranged along the X-axis direction, and the side paint spraying mechanism is connected with the telescopic mechanism.
As a preferable scheme: and the traveling mechanism on the X-axis supporting beam is also fixedly provided with a telescopic mechanism arranged along the Y-axis direction, and the top surface paint spraying mechanism is connected with the telescopic mechanism.
As a preferable scheme: the running mechanism comprises two groups of guide rails arranged on the supporting beam along the length direction of the supporting beam, a rack is arranged between the two groups of guide rails in parallel, the running mechanism further comprises a sliding plate, a sliding block is arranged on the sliding plate and connected with the guide rails in a sliding manner, a driving motor is further arranged on the sliding plate, a transmission gear is connected with the driving motor, and the transmission gear is meshed with the rack.
As a preferable scheme: telescopic machanism includes microscler casing, the casing is connected fixedly with running gear, the casing is kept away from the one end in carriage and is installed drive servo motor, is provided with the lead screw along its length direction in the casing, the one end of lead screw and drive servo motor's pivot coaxial coupling, the other end of lead screw rotates with the other end of casing to be connected, is provided with the movable block in the casing, movable block and lead screw threaded connection, the movable block is used for being connected with the mechanism that sprays paint.
As a preferable scheme: the top surface paint spraying mechanism comprises a top surface connecting frame and at least one paint spray gun arranged on the top surface connecting frame, and the top surface connecting frame is used for being connected and fixed with the travelling mechanism.
As a preferable scheme: the side surface paint spraying mechanism comprises a side surface connecting frame and at least one paint spray gun arranged on the side surface connecting frame, and the side surface connecting frame is used for being connected and fixed with the travelling mechanism.
As a preferable scheme: the number of the paint boxes is at least two, and the paint boxes are distributed on the traveling mechanisms on the two sets of Z-axis supporting beams.
As a preferable scheme: distance sensors are arranged at two ends of the Z-axis supporting beam, two ends of the Y-axis supporting beam and two ends of the X-axis supporting beam, and the distance sensors are connected with controllers of corresponding driving motors.
An automatic paint spraying method for a carriage is characterized by comprising the following steps:
s1, arranging a middle paint spraying room and a surface paint spraying room, and arranging automatic paint spraying systems in the middle paint spraying room and the surface paint spraying room; wherein, a side surface paint spraying mechanism of an automatic paint spraying system in the middle paint spraying room is provided with a water paint spray gun and an oil paint spray gun, and a top surface paint spraying mechanism is provided with a water paint spray gun and an oil paint spray gun; the side surface paint spraying mechanism of the automatic paint spraying system in the finish paint spraying room is provided with a water paint spray gun, an oil paint spray gun, a finishing paint spray gun and a color band spray gun, and the top surface paint spraying mechanism is provided with a water paint spray gun, an oil paint spray gun and a finishing paint spray gun;
s2, the carriage is sent into a middle paint spraying room, the door-shaped frame is controlled to move along the length direction of the carriage, the side surface paint spraying mechanism reciprocates up and down, the top surface paint spraying mechanism reciprocates transversely, and meanwhile, the water-based paint spray gun or the oil-based paint spray gun is controlled to spray middle paint on the side surface and the top surface of the carriage, so that middle paint spraying is finished on the carriage;
s3, the carriage is sent into a finish paint spraying room, the door-shaped frame is controlled to move along the length direction of the carriage, the side surface paint spraying mechanism reciprocates up and down, the top surface paint spraying mechanism reciprocates transversely, and meanwhile, the water-based paint spray gun or the oil-based paint spray gun is controlled to spray colored paint to the side surface and the top surface of the carriage to color the carriage;
s4, resetting the automatic paint spraying system, controlling the door-shaped frame to move along the length direction of the carriage, enabling the side paint spraying mechanism to reciprocate up and down and enabling the top paint spraying mechanism to reciprocate transversely, and controlling the finishing paint spraying gun to spray finishing paint on the side surface and the top surface of the carriage; finishing paint spraying on the carriage;
and S5, resetting the automatic paint spraying system, controlling the door-shaped frame to move along the length direction of the carriage, controlling the side spray gun mechanism to be unchanged after being adjusted to a required position, and controlling the side paint spraying mechanism to spray color band paint on the side surface of the vehicle in the walking process of the door-shaped frame, so that a color band is formed on the side surface of the carriage. Compared with the prior art, the invention has the advantages that:
1. the rail walking type door-shaped frame body is adopted, the paint spraying mechanisms capable of reciprocating are respectively arranged on the two sides and the top of the frame body, the paint spraying operation is synchronously performed on all surfaces of a carriage in the walking process of the frame body, and the door-shaped frame can finish a length direction stroke in a short time, so that one-time paint is sprayed on the carriage, the efficiency is high, and the paint spraying time is greatly saved;
2. the paint spraying process adopts a flow operation mode, all links can be carried out simultaneously, and the paint spraying operation can be carried out on a plurality of surfaces of a plurality of carriages simultaneously, so that the paint spraying efficiency is greatly improved;
3. the paint can be sprayed once only in a short time, so that the time difference of the paint spraying of each part of the carriage is controlled within a small range, the carriage can be kept standing and dried after the paint is sprayed once, the same drying time of each part of the carriage can be basically ensured, and the next paint can be quickly sprayed in an integrated manner, so that the paint spraying quality is greatly improved, and the quality is stable and controllable;
4. the paint spraying mechanism is provided with a plurality of spray guns, and is correspondingly provided with a plurality of paint boxes, different paint vehicles can be added according to the paint spraying process, and various paint spraying requirements are met.
Drawings
FIG. 1 is a schematic view of the overall construction of a painting system;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic perspective view of the paint spraying system;
FIG. 4 is an enlarged view of portion B of FIG. 3;
fig. 5 is an enlarged view of a portion C in fig. 3.
Reference number 1, carrying trolley; 2. a carriage; 3. a Z-axis support beam; 4. a support leg; 5. a Z-axis guide rail; 6. a Z-axis slide block; 7. a Z-axis rack; 8. a Z-axis slide plate; 9. a Z-axis drive motor; 10. a Z-axis transmission gear; 11. a paint box; 12. a paint pump; 13. a material pumping pipe; 14. a liquid level sensor; 15. a Y-axis support beam; 16. an auxiliary support beam; 17. a Y-axis guide rail; 18. a Y-axis slider; 19. a Y-axis rack; 20. a Y-axis slide plate; 21. a Y-axis drive motor; 22. a Y-axis transmission gear; 23. a mounting frame; 24. a transverse telescoping mechanism; 2401. a transverse housing; 2402. driving a servo motor transversely; 2403. a transverse movable block; 2404. a transverse screw rod; 25. a side paint spraying mechanism; 2501. a side connecting frame; 2502. a side oil paint spray gun; 2503. a side water-based paint spray gun; 2504. a side surface is covered with a varnish spray gun; 2505. a ribbon spray gun; 26. an X-axis support beam; 27. an X-axis guide rail; 28. an X-axis rack; 29. an X-axis slide plate; 30. an X-axis drive motor; 31. an X-axis transmission gear; 32. a longitudinal telescoping mechanism; 3201. a longitudinal housing; 3202. longitudinally driving a servo motor; 3203. a longitudinal movable block; 3204. a longitudinal screw rod; 33. a top surface paint spraying mechanism; 3301. a top surface connecting frame; 3302. a top surface is covered with a varnish spray gun; 3303. a top surface water paint spray gun; 3304. a top surface oil paint spray gun; 34. a Z-axis distance sensor; 35. a Y-axis distance sensor; 36. an X-axis distance sensor; 37. provided is a telescopic dust cover.
Detailed Description
The first embodiment is as follows: an automatic paint spraying system for a carriage.
Referring to fig. 1, the automatic painting system includes two sets of Z-axis support beams 3 disposed along the length direction of a vehicle body 2, and also includes two sets of Y-axis support beams 15 disposed along the height of the vehicle body 2 and a set of X-axis support beams 26 disposed along the width direction of the vehicle body 2. The upper ends of the two sets of Y-axis support beams 15 are respectively connected and fixed with the left end and the right end of the X-axis support beam 26, so as to form a "door" -shaped movable frame, the carriage 2 is positioned at the inner side of the movable frame, and the lower ends of the two sets of Y-axis support beams 15 are respectively connected with the two sets of Z-axis support beams 3 in a sliding manner, so that the movable frame can slide along the Z-axis support beams 3, namely can slide along the length direction of the carriage 2. The two sets of Y-axis support beams 15 are each provided with a side painting mechanism 25, the two sets of side painting mechanisms 25 face the two sides of the vehicle body 2, respectively, for painting the two sides of the vehicle body 2, and the X-axis support beams 26 are each provided with a ceiling painting mechanism 33, the ceiling painting mechanism 33 faces the ceiling of the vehicle body 2, for painting the ceiling of the vehicle body 2.
Referring to fig. 2, a Z-axis traveling mechanism is provided on the Z-axis support beam 3. The Z-axis traveling mechanism comprises: the Z-axis sliding type robot comprises two groups of Z-axis guide rails 5 which are arranged on the top surface of a Z-axis support beam 3 and distributed along the length direction of the Z-axis support beam, Z-axis gear racks 7 are arranged between the two groups of Z-axis guide rails 5, the Z-axis gear racks 7 are parallel to the Z-axis guide rails 5, a Z-axis sliding plate 8 is arranged above the Z-axis guide rails 5, Z-axis sliding blocks 6 are arranged on two sides of the bottom surface of each Z-axis sliding plate 8, and the Z-axis sliding blocks 6 are buckled on the Z-axis guide rails 5 and can freely slide. The lower end of the Y-axis guide rail 17 is fixedly connected with the top surface of the Z-axis sliding plate 8, a Z-axis driving motor 9 is further fixedly installed on the Z-axis sliding plate 8, a Z-axis transmission gear 10 is coaxially fixed on a rotating shaft of the Z-axis driving motor 9, the Z-axis transmission gear 10 is meshed with the Z-axis rack 7, when the Z-axis driving motor 9 drives the Z-axis transmission gear 10 to rotate, the sliding plate can be driven to slide along the Z-axis guide rail 5, and the Y-axis supporting beam 15 synchronously slides along the length direction of the Z-axis supporting beam 3.
Paint boxes 11 for storing paint are also arranged on the Z-axis sliding plates 8, and in the embodiment, the paint boxes 11 are arranged on the Z-axis sliding plates 8 at the lower ends of the two sets of Y-axis supporting beams 15. The paint tanks 11 located at both sides of the vehicle body 2 are used to supply paint to the side painting mechanisms 25 at both sides of the vehicle body 2, respectively, without simultaneously supplying paint to the painting mechanisms at both sides of the vehicle body 2 through the paint tanks 11 at one side of the vehicle body 2. So, can make the arrangement of conveying pipe more succinct, can also avoid the stringing overlength to cause the interference to the motion of automatic mechanism of spraying paint. Different paint vehicles are often required in the painting process, and according to the requirements of the painting process under different conditions, different numbers of paint bins 11 can be arranged to store the multiple paint vehicles required in different painting processes, as the case may be. And a paint pump 12 is arranged on the paint tank 11, the feeding port of the paint pump 12 is communicated with the interior of the paint tank 11 through a pumping pipe 13, and the discharging port of the paint pump 12 is connected with the spray guns in each group of paint spraying mechanisms through a feeding pipe (not shown in the figure). After the paint pump 12 is started, the paint pump 12 in the paint box 11 is pressed to the corresponding spray gun, so that the spray gun discharges paint. In the paint spraying process, the paint vehicle in the paint vehicle case 11 can consume almost totally gradually, for the convenience of staff learns the consumption condition of paint vehicle, has still installed level sensor 14 in paint vehicle case 11, and level sensor 14 and host computer communication connection can feed back the liquid level data of paint vehicle to the host computer in real time to remind the staff in time to reinforced in the paint vehicle case 11.
Referring to fig. 3 and 4, in order to ensure that the side painting mechanism 25 can paint portions of the car 2 at different heights, the automatic painting system further includes a Y-axis traveling mechanism. The Y-axis running gear comprises: the Y-axis walking mechanism comprises two groups of Y-axis guide rails 17 arranged on the Y-axis support beam 15 along the length direction of the Y-axis support beam 15, a Y-axis rack 19 is arranged between the two groups of Y-axis guide rails 17, the Y-axis rack 19 is parallel to the Y-axis guide rails 17, the Y-axis walking mechanism further comprises a Y-axis sliding plate 20, a Y-axis sliding block 18 is arranged on one surface of the Y-axis sliding plate 20, and the Y-axis sliding block 18 is buckled on the Y-axis guide rails 17 and can slide up and down along the Y-axis guide. A Y-axis driving motor 21 is further mounted and fixed on the Y-axis sliding plate 20, a Y-axis transmission gear 22 is coaxially fixed on a rotating shaft of the Y-axis driving motor 21, and the Y-axis transmission gear 22 is meshed with the Y-axis rack 19. The Y-axis drive motor 21 rotates the Y-axis transmission gear 22, thereby driving the Y-axis sled 20 to slide up and down along the Y-axis support beam 15.
The side painting mechanism 25 includes a side link 2501, and a side oil paint spray gun 2502, a side water paint spray gun 2503, a side finishing paint spray gun 2504, and a side color tape spray gun 2505 are mounted on the side link 2501. Correspondingly, there are in this embodiment a paint tank 11 for storing oil-based paint, a paint tank 11 for storing water-based paint, a paint tank 11 for storing overprint varnish and a paint tank 11 for storing colored tape paint.
Since the carriages 2 of different models have different heights and widths, in order to ensure the painting effect, the distance between the spray gun and the surface of the carriage 2 needs to be moderate, and the spray gun can not be too close or too far, in the embodiment, the distance between the side painting mechanism 25 and the carriage 2 can be adjusted to adapt to the painting requirements of the carriages 2 of different widths. As shown in fig. 4, a transverse telescoping mechanism 24 is further disposed on the Y-axis sliding plate 20, the transverse telescoping mechanism 24 includes an elongated transverse housing 2401 disposed along the width direction of the carriage 2, a transverse driving servo motor 2402 is mounted at one end of the transverse housing 2401 away from the carriage 2, a transverse lead screw 2404 is disposed in the transverse housing 2401 along the length direction thereof, one end of the transverse lead screw 2404 is coaxially connected with a rotating shaft of the transverse driving servo motor 2402, the other end of the transverse lead screw 2404 is rotatably connected with the other end of the transverse housing 2401, a transverse movable block 2403 is disposed in the transverse housing 2401, the transverse movable block 2403 is in threaded connection with the transverse lead screw 2404, the lower end of the side connecting frame 2501 is fixedly connected with the transverse movable block 2403, and the top surface of the transverse housing 2401 is an open structure for the side connecting frame 2501 to move. When the transverse driving servo motor 2402 rotates, the transverse movable block 2403 can be driven to slide back and forth along the transverse screw rod 2404, so that the side surface paint spraying mechanism 25 is driven to move back and forth along the X-axis direction, and the distance between the side surface paint spraying mechanism 25 and the carriage 2 can be adjusted. And the Y-axis drive motor 21 can drive the Y-axis slide 20 to slide up and down along the Y-axis support beam 15, that is, drive the side painting mechanism 25 to move up and down.
Referring to fig. 5, in order to ensure that the ceiling painting mechanism 33 can paint different width portions of the ceiling surface of the vehicle body 2, the automatic painting system further includes an X-axis traveling mechanism. The X-axis running gear includes: the X-axis running mechanism further comprises an X-axis sliding plate 29, an X-axis slider is arranged on one surface of the X-axis sliding plate 29, and the X-axis slider is buckled on the X-axis guide rail 27 and can slide up and down along the X-axis guide rail 27. An X-axis driving motor 30 is further mounted and fixed on the X-axis sliding plate 29, an X-axis transmission gear 31 is coaxially fixed on a rotating shaft of the X-axis driving motor 30, and the X-axis transmission gear 31 is meshed with the X-axis rack 28. The X-axis driving motor 30 rotates the X-axis transmission gear 31, thereby driving the X-axis sliding plate 29 to slide back and forth along the X-axis support beam 26.
The top surface painting mechanism 33 includes a top surface connecting frame 3301, and a top surface oil paint spray gun 3304, a top surface water paint spray gun 3303, and a top surface finishing paint spray gun 3302 are mounted on the top surface connecting frame 3301.
Also, in order to enable the ceiling painting structure to be adapted to the vehicle bodies 2 of different heights, in the present embodiment, the distance between the ceiling painting mechanism 33 and the vehicle bodies 2 is adjustable. As shown in fig. 5, a longitudinal telescopic mechanism 32 is further disposed on the X-axis sliding plate 29, the longitudinal telescopic mechanism 32 includes a longitudinal housing 3201 disposed along the height direction of the car 2, a longitudinal driving servo motor 3202 is mounted at the upper end of the longitudinal housing 3201, a longitudinal lead screw 3204 is disposed in the longitudinal housing 3201 along the vertical direction, the upper end of the longitudinal lead screw 3204 is coaxially connected with the rotating shaft of the longitudinal driving servo motor 3202, the lower end of the longitudinal lead screw 3204 is rotatably connected with the lower end of the longitudinal housing 3201, a longitudinal movable block 3203 is disposed in the longitudinal housing 3201, the longitudinal movable block 3203 is in threaded connection with the longitudinal lead screw 3204, the upper end of the top surface connecting frame 3301 is fixedly connected with the longitudinal movable block 3203, and the side surface of the longitudinal housing 3201 is an open structure for the top surface connecting frame 3301 to move. When the longitudinal driving servo motor 3202 rotates, the longitudinal movable block 3203 can be driven to slide back and forth along the longitudinal screw 3204, so that the top surface paint spraying mechanism 33 is driven to move up and down along the Y-axis direction, that is, the distance between the top surface paint spraying mechanism 33 and the carriage 2 can be adjusted. And the X-axis drive motor 30 can drive the X-axis slide plate 29 to slide back and forth along the X-axis support beam 26, that is, the ceiling painting mechanism 33 to move back and forth in the width direction of the vehicle compartment 2.
In order to limit the distance traveled by the Z-axis traveling mechanism in the Z-axis direction, the distance traveled by the Y-axis traveling mechanism in the Y-axis direction, and the distance traveled by the X-axis traveling mechanism in the X-axis direction. In this embodiment, the Z-axis distance sensors 34 are respectively installed at both ends of the Z-axis support beam 3, when the Z-axis traveling mechanism moves to both ends of the Z-axis support beam 3, the Z-axis distance sensors 34 can sense the Z-axis traveling mechanism and feed back a sensing signal to the controller of the Z-axis drive motor 9, and after receiving the sensing signal, the controller of the Z-axis drive motor 9 controls the Z-axis drive motor 9 to rotate reversely or stop, so that the "door" shaped frame moves reversely or stops; the Y-axis distance sensors 35 are respectively arranged at two ends of the Y-axis support beam 15, when the Y-axis travelling mechanism moves to the two ends of the Y-axis support beam 15, the Y-axis distance sensors 35 can sense the Y-axis travelling mechanism and feed back sensing signals to the controller of the Y-axis drive motor 21, and after receiving the sensing signals, the controller of the Y-axis drive motor 21 controls the Y-axis drive motor 21 to rotate reversely or stop, so that the side paint spraying mechanism 25 moves reversely or stops; the X-axis distance sensors 36 are installed at both ends of the X-axis support beam 26, when the X-axis traveling mechanism moves to both ends of the X-axis support beam 26, the X-axis distance sensors 36 can sense the X-axis traveling mechanism and feed back a sensing signal to the controller of the X-axis drive motor 30, and after receiving the sensing signal, the controller of the X-axis drive motor 30 controls the X-axis drive motor 30 to rotate reversely or stop, so that the top surface painting mechanism 33 moves reversely or stops.
An automatic paint spraying method for a carriage is characterized by comprising the following steps:
s1, arranging a middle paint spraying room and a surface paint spraying room, and arranging automatic paint spraying systems in the middle paint spraying room and the surface paint spraying room; the side surface paint spraying mechanism of the automatic paint spraying system in the middle paint spraying room is provided with a water paint spray gun and an oil paint spray gun, the top surface paint spraying mechanism is provided with a water paint spray gun and an oil paint spray gun, and a water paint box and an oil paint box are correspondingly required to be provided; the side surface paint spraying mechanism of the automatic paint spraying system in the finish paint spraying room is provided with a water paint spray gun, an oil paint spray gun, a finishing paint spray gun and a color tape spray gun, the top surface paint spraying mechanism is provided with a water paint spray gun, an oil paint spray gun and a finishing paint spray gun, and a water paint box, an oil paint box, a finishing paint box and a color tape paint box are correspondingly required to be arranged;
s2, the carriage is sent into a middle paint spraying room, a door-shaped frame in the middle paint spraying room is controlled to move forwards along the length direction of the carriage, the side surface paint spraying mechanism reciprocates up and down, the top surface paint spraying mechanism reciprocates transversely, and meanwhile, a water-based paint spray gun or an oil-based paint spray gun is controlled to spray middle paint to the side surface and the top surface of the carriage; finishing the spray coating of the Chinese lacquer on the carriage, standing the carriage for 30min after the spray coating of the Chinese lacquer is finished, and then baking the carriage for 120min at the environmental temperature of 60 ℃;
s3, the compartment is conveyed into a finish paint spraying room, a door-shaped frame in the finish paint spraying room is controlled to move forwards along the length direction of the compartment, a side paint spraying mechanism reciprocates up and down, a top paint spraying mechanism reciprocates transversely, and a water paint spray gun or an oil paint spray gun is controlled to spray colored paint on the side surface and the top surface of the compartment; coloring the carriage, standing the carriage for 30min, and baking at 60 ℃ for 120 min;
s4, resetting the automatic paint spraying system, controlling the door-shaped frame to move along the length direction of the carriage, enabling the side paint spraying mechanism to reciprocate up and down and enabling the top paint spraying mechanism to reciprocate transversely, and controlling the finishing paint spraying gun to spray finishing paint on the side surface and the top surface of the carriage; finishing finish paint spraying on the carriage, standing the carriage for 30min, and baking the carriage at the room temperature of 60 ℃ for 120 min;
s5, resetting the automatic paint spraying system, controlling the door-shaped frame to move along the length direction of the carriage, controlling the side spray gun mechanism to spray color band paint to the side surface of the vehicle in the process of moving the door-shaped frame, keeping the side surface of the carriage unchanged after the side surface spray gun mechanism is adjusted to the required position, forming a color band on the side surface of the carriage, standing for 30min, and then baking for 120min at the room temperature of 60 ℃.
It should be noted that: in this embodiment, one intermediate paint spraying room is provided, and two finish paint spraying rooms are provided, that is, three sets of paint spraying systems are provided, one set is an intermediate paint purina diagram system, and the other set is a finish paint spraying system. Because the process of finish paint spraying is more, consuming longer, and the process of intermediate coat spraying is simpler, the time is shorter, to the production line of batch carriage spraying, in order to improve the operating efficiency, so set up two sets between the finish paint spraying, two sets of finish paint spraying systems can carry out the spraying operation to two carriages simultaneously, thereby can not appear a carriage spraying finish paint, another carriage is waiting for the condition of spraying finish paint, improve the work efficiency of automatic paint spraying system greatly. To facilitate the transfer of the car to different spray booths, the car 2 is supported in this embodiment by a load carrier 1, as shown in fig. 1.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (10)

1. An automatic paint spraying system for a carriage is characterized by comprising: two sets of Z-axis supporting beams arranged along the length direction of the carriage, two sets of Y-axis supporting beams arranged along the height direction of the carriage and a set of X-axis supporting beams arranged along the width direction of the carriage, wherein the Z-axis supporting beams, the Y-axis supporting beams and the Z-axis supporting beams are all provided with a travelling mechanism capable of moving back and forth along respective axial directions, the two sets of Y-axis supporting beams and the set of X-axis supporting beams form a movable frame in a shape of a door, the lower end of each Y-axis supporting beam is connected with the travelling mechanism on the Z-axis supporting beam, the Y-axis supporting beams are also provided with a side surface paint spraying mechanism used for spraying paint to the side surface of the carriage, the side surface paint spraying mechanism is connected with the travelling mechanism on the Y-axis supporting beam, the X-axis supporting beams are also provided with a top surface paint spraying mechanism used for spraying, the side surface paint spraying mechanism and the top surface paint spraying mechanism are both connected with a paint box through a paint pump.
2. The automatic vehicle paint spraying system of claim 1, wherein: the travelling mechanism on the Y-axis supporting beam is further fixed with a telescopic mechanism arranged along the X-axis direction, and the side paint spraying mechanism is connected with the telescopic mechanism.
3. The automatic vehicle paint spraying system of claim 1, wherein: and the traveling mechanism on the X-axis supporting beam is also fixedly provided with a telescopic mechanism arranged along the Y-axis direction, and the top surface paint spraying mechanism is connected with the telescopic mechanism.
4. The automatic vehicle paint spraying system of claim 1, wherein: the running mechanism comprises two groups of guide rails arranged on the supporting beam along the length direction of the supporting beam, a rack is arranged between the two groups of guide rails in parallel, the running mechanism further comprises a sliding plate, a sliding block is arranged on the sliding plate and connected with the guide rails in a sliding manner, a driving motor is further arranged on the sliding plate, a transmission gear is connected with the driving motor, and the transmission gear is meshed with the rack.
5. A car automatic paint spraying system according to claim 2 or 3, wherein: telescopic machanism includes microscler casing, the casing is connected fixedly with running gear, the casing is kept away from the one end in carriage and is installed drive servo motor, is provided with the lead screw along its length direction in the casing, the one end of lead screw and drive servo motor's pivot coaxial coupling, the other end of lead screw rotates with the other end of casing to be connected, is provided with the movable block in the casing, movable block and lead screw threaded connection, the movable block is used for being connected with the mechanism that sprays paint.
6. The automatic vehicle paint spraying system of claim 1, wherein: the top surface paint spraying mechanism comprises a top surface connecting frame and at least one paint spray gun arranged on the top surface connecting frame, and the top surface connecting frame is used for being connected and fixed with the travelling mechanism.
7. The automatic vehicle paint spraying system of claim 1, wherein: the side surface paint spraying mechanism comprises a side surface connecting frame and at least one paint spray gun arranged on the side surface connecting frame, and the side surface connecting frame is used for being connected and fixed with the travelling mechanism.
8. The automatic vehicle paint spraying system of claim 1, wherein: the number of the paint boxes is at least two, and the paint boxes are distributed on the traveling mechanisms on the two sets of Z-axis supporting beams.
9. The automatic vehicle paint spraying system of claim 1, wherein: distance sensors are arranged at two ends of the Z-axis supporting beam, two ends of the Y-axis supporting beam and two ends of the X-axis supporting beam, and the distance sensors are connected with controllers of corresponding driving motors.
10. An automatic paint spraying method for a carriage is characterized by comprising the following steps:
s1, arranging a middle paint spraying room and a surface paint spraying room, and arranging automatic paint spraying systems in the middle paint spraying room and the surface paint spraying room; wherein, a side surface paint spraying mechanism of an automatic paint spraying system in the middle paint spraying room is provided with a water paint spray gun and an oil paint spray gun, and a top surface paint spraying mechanism is provided with a water paint spray gun and an oil paint spray gun; the side surface paint spraying mechanism of the automatic paint spraying system in the finish paint spraying room is provided with a water paint spray gun, an oil paint spray gun, a finishing paint spray gun and a color band spray gun, and the top surface paint spraying mechanism is provided with a water paint spray gun, an oil paint spray gun and a finishing paint spray gun;
s2, the carriage is sent into a middle paint spraying room, the door-shaped frame is controlled to move along the length direction of the carriage, the side surface paint spraying mechanism reciprocates up and down, the top surface paint spraying mechanism reciprocates transversely, and meanwhile, the water-based paint spray gun or the oil-based paint spray gun is controlled to spray middle paint on the side surface and the top surface of the carriage, so that middle paint spraying is finished on the carriage;
s3, the carriage is sent into a finish paint spraying room, the door-shaped frame is controlled to move along the length direction of the carriage, the side surface paint spraying mechanism reciprocates up and down, the top surface paint spraying mechanism reciprocates transversely, and meanwhile, the water-based paint spray gun or the oil-based paint spray gun is controlled to spray colored paint to the side surface and the top surface of the carriage to color the carriage;
s4, resetting the automatic paint spraying system, controlling the door-shaped frame to move along the length direction of the carriage, enabling the side paint spraying mechanism to reciprocate up and down and enabling the top paint spraying mechanism to reciprocate transversely, and controlling the finishing paint spraying gun to spray finishing paint on the side surface and the top surface of the carriage; finishing paint spraying on the carriage;
and S5, resetting the automatic paint spraying system, controlling the door-shaped frame to move along the length direction of the carriage, controlling the side spray gun mechanism to be unchanged after being adjusted to a required position, and controlling the side paint spraying mechanism to spray color band paint on the side surface of the vehicle in the walking process of the door-shaped frame, so that a color band is formed on the side surface of the carriage.
CN201911175868.4A 2019-11-26 2019-11-26 Automatic paint spraying system and method for carriage Pending CN110743747A (en)

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Application Number Priority Date Filing Date Title
CN201911175868.4A CN110743747A (en) 2019-11-26 2019-11-26 Automatic paint spraying system and method for carriage

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Application Number Priority Date Filing Date Title
CN201911175868.4A CN110743747A (en) 2019-11-26 2019-11-26 Automatic paint spraying system and method for carriage

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114367401A (en) * 2022-01-18 2022-04-19 徐州百事利电动车业有限公司 Carriage paint spraying device for electric vehicle production

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114367401A (en) * 2022-01-18 2022-04-19 徐州百事利电动车业有限公司 Carriage paint spraying device for electric vehicle production
CN114367401B (en) * 2022-01-18 2022-09-13 徐州百事利电动车业有限公司 Carriage paint spraying device for electric vehicle production

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