CN115502014A

CN115502014A - Automobile paint spraying device

Info

Publication number: CN115502014A
Application number: CN202211384860.0A
Authority: CN
Inventors: 张振珠; 张英英; 杨川
Original assignee: Chongqing Vocational Institute of Engineering
Current assignee: Chongqing Vocational Institute of Engineering
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2022-12-23

Abstract

The invention discloses a paint spraying device for an automobile, which comprises: the paint spraying mechanism comprises a supporting rod, the top surface of the supporting rod is in threaded connection with a paint spraying unit, and the paint spraying unit is arranged corresponding to the workpiece; the recycling mechanism comprises a recycling box, the bottom surface of the recycling box is provided with a mounting groove, and the side wall of the mounting groove is detachably connected with the supporting rod; the inner cavity of the recycling box is sequentially provided with a recycling tank and two collecting tanks from top to bottom, and the recycling tanks are respectively communicated with two ends of the collecting tanks; the top surface of the gathering groove is provided with a recovery unit which penetrates through the top surface of the recovery box; one end of the bottom surface of the collecting groove, which is far away from the recovery unit, is communicated with the external atmosphere; one end of the top surface of the recovery box, which is close to the recovery unit, is fixedly connected and communicated with an exhaust assembly; the numerical control chassis can realize 2-axis linkage and is used for moving the paint spraying mechanism, and the numerical control chassis is fixedly connected with one end of the supporting rod. The invention can realize one-time spraying in place for the exterior trimming parts with more complicated shapes, and improves the production efficiency.

Description

Automobile paint spraying device

Technical Field

The invention relates to the technical field of coating equipment, in particular to an automobile paint spraying device.

Background

In the automobile manufacturing process, coating is one of four most important processes, after the whole automobile is welded, the whole automobile needs to be integrally coated by a coating robot, because the whole size of the automobile is large, the coating robot is controlled by a program, adopts independent spray heads and is completed by a plurality of robots, and partial automobile accessories such as outer ornaments of the automobile cannot be together with the whole automobile and need to be independently and repeatedly coated for many times.

Disclosure of Invention

The invention aims to provide an automobile paint spraying device, which is used for solving the problems in the prior art, can realize one-time in-place spraying of exterior trimming parts with complex shapes and improves the production efficiency.

In order to achieve the purpose, the invention provides the following scheme:

an automotive painting apparatus comprising:

the paint spraying mechanism is used for spraying a workpiece and comprises a supporting rod, the top surface of the supporting rod is in threaded connection with a paint spraying unit, and the paint spraying unit is arranged corresponding to the workpiece;

the recycling mechanism is used for collecting and recycling the sprayed paint mist and comprises a recycling box, the bottom surface of the recycling box is provided with a mounting groove, and the side wall of the mounting groove is detachably connected with the supporting rod; the inner cavity of the recovery box is sequentially provided with a recovery tank and two collecting tanks from top to bottom, and the recovery tanks are respectively communicated with two ends of the collecting tanks; the top surface of the gathering groove is provided with a recovery unit which penetrates through the top surface of the recovery box; one end of the bottom surface of the collecting tank, which is far away from the recovery unit, is communicated with the external atmosphere; one end of the top surface of the recovery box, which is close to the recovery unit, is fixedly connected and communicated with an exhaust assembly;

the numerical control chassis can realize 2-axis linkage and is used for moving the paint spraying mechanism, and the numerical control chassis is fixedly connected with one end of the supporting rod.

Preferably, the unit of spraying paint includes a plurality of screws, and is a plurality of the equidistant spiro union of screw in the bracing piece top surface, the screw bottom is run through the bracing piece and swivelling joint have the reed, can dismantle on the reed and be connected with a plurality of subassemblies that spray paint, the subassembly that spray paint with the work piece corresponds the setting.

Preferably, the paint spraying assembly comprises a lantern ring, the lantern ring is sleeved on the outer side surface of the reed, a jackscrew penetrates through the side surface of the lantern ring and is connected with the outer side surface of the reed in a threaded manner, and the jackscrew is detachably connected with the outer side surface of the reed; an angle adjusting component is fixedly connected to the bottom surface of the lantern ring, a conical spraying cover is fixedly connected to the bottom end of the angle adjusting component, a spraying nozzle is detachably connected to the inner cavity of the spraying cover, and the spraying nozzle corresponds to the workpiece.

Preferably, the bottom end of the spray cover is sleeved with a rubber sleeve, and the top surface of the rubber sleeve is provided with a plug hole matched with the bottom end of the spray cover; the center of the bottom surface of the rubber sleeve is embedded with a laser pen, and the irradiation direction of the laser pen is perpendicular to the bottom surface of the rubber sleeve.

Preferably, the recovery unit includes fixed case, fixed case is hollow cube structure, fixed bottom of the case face with the recovery case top surface is linked together, fixed case is close to the numerical control chassis sets up, fixed top of the case face rigid coupling has electronic jar, the piston rod of electronic jar runs through fixed top of the case face and rigid coupling have and strike off the subassembly, strike off a plurality of plate electrodes that the subassembly below can dismantle and be connected with equidistant setting, plate electrode and outside electrostatic generator electric connection, the bottom of plate electrode with recovery tank bottom surface fixed connection, the top surface of plate electrode with recovery case inner chamber top surface looks parallel and level.

Preferably, the scraping assembly comprises a fixed plate, a plurality of scrapers are fixedly connected to the bottom surface of the fixed plate at equal intervals, and the scrapers are arranged between two adjacent electrode plates; the scraper comprises an inverted V-shaped scraper, the scraper is matched with the electrode plate, blades are fixedly connected to two ends of the outer side surface of the scraper respectively, connecting rods are fixedly connected to two ends of the middle of the scraper respectively, reinforcing rods are fixedly connected to the bottom surfaces of the two connecting rods respectively, and the reinforcing rods are embedded at the bottom ends of the scraper; the top surface of the connecting rod is fixedly connected with the fixing plate.

Preferably, the scraping blade is made of rubber, and the blade is made of hard PPS or polyurethane resin.

Preferably, the exhaust assembly comprises an exhaust pipe and an exhaust fan, the exhaust fan is connected in series on the exhaust pipe, and the bottom end of the exhaust pipe is fixedly connected and communicated with the top surface of the recovery box.

Preferably, the opposite side walls of one end of the recovery tank, which is far away from the recovery unit, are respectively and fixedly connected with two guide plates, the two guide plates are obliquely arranged, and the top surfaces of the two guide plates are arranged close to each other.

The invention has the following technical effects:

the invention realizes the adaptation to the workpiece with a complex shape by changing the direction of the paint spraying component of the paint spraying unit, and realizes the common matching of a plurality of paint spraying components so as to finish the one-time spraying work to the workpiece.

The recovery box can suck redundant fog drops sprayed out by the paint spraying unit, and the fog drops are enriched through the recovery unit, so that recovery and reutilization or centralized treatment are realized.

Compared with a robot, the numerical control chassis has simple control logic, is beneficial to reducing the production and manufacturing cost, expanding the application range and reducing the labor intensity of workers.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a side view of the present invention;

FIG. 2 is a schematic side view of the recycling mechanism;

FIG. 3 is a side view of the recycling bin;

FIG. 4 is a side view of the paint spraying assembly;

FIG. 5 is a side view of the scraping assembly;

FIG. 6 is a schematic side view of the rubber sleeve;

wherein, 1, a numerical control chassis; 2. a support bar; 3. a screw; 4. a reed; 5. a collar; 6. an angle adjusting component; 7. spraying a cover; 8. a spray head; 9. a rubber sleeve; 10. a laser pen; 11. plugging the hole; 12. a recycling bin; 13. mounting grooves; 14. a recovery tank; 15. a collecting groove; 16. a fixed box; 17. an electric cylinder; 18. an electrode plate; 19. a fixing plate; 20. scraping a blade; 21. a reinforcing rod; 22. a connecting rod; 23. an exhaust pipe; 24. an exhaust fan; 25. a baffle; 26. a blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

A paint spraying apparatus for automobiles, shown in fig. 1-6, comprising: the paint spraying mechanism is used for spraying a workpiece and comprises a supporting rod 2, a paint spraying unit is screwed on the top surface of the supporting rod 2, and the paint spraying unit is arranged corresponding to the workpiece; the unit that sprays paint includes a plurality of

screws

3, and 3 equidistant spiro unions of a plurality of screws are in 2 top surfaces of bracing piece, and 3 bottoms of screw run through bracing piece 2 and swivelling joint have reed 4, can dismantle on the reed 4 to be connected with a plurality of subassemblies that spray paint, and the subassembly that sprays paint corresponds the setting with the work piece.

The recycling mechanism is used for collecting and recycling the sprayed paint mist and comprises a recycling box 12, a mounting groove 13 is formed in the bottom surface of the recycling box 12, and the side wall of the mounting groove 13 is detachably connected with the supporting rod 2; the inner cavity of the recycling tank 12 is sequentially provided with a recycling tank 14 and two collecting tanks 15 from top to bottom, and the recycling tank 14 is respectively communicated with two ends of the collecting tanks 15; the top surface of the collecting groove 15 is provided with a recovery unit which penetrates through the top surface of the recovery box 12; one end of the bottom surface of the collecting groove 15, which is far away from the recovery unit, is communicated with the external atmosphere; one end of the top surface of the recovery box 12 close to the recovery unit is fixedly connected and communicated with an exhaust component; the numerical control chassis 1 can realize 2-axis linkage and is used for moving the paint spraying mechanism, and the numerical control chassis 1 is fixedly connected with one end of the supporting rod 2. The exhaust assembly comprises an exhaust pipe 23 and an exhaust fan 24, the exhaust fan 24 is connected in series on the exhaust pipe 23, and the bottom end of the exhaust pipe 23 is fixedly connected and communicated with the top surface of the recovery box 12.

Further, the numerical control chassis 1 is a common numerical control 2-axis linkage device, and includes a control system, a base, an X-axis moving beam, a Z-axis moving beam, and other devices, which are prior art and will not be described herein again.

The direction of the paint spraying components of the paint spraying unit is changed, so that the complex-shaped workpiece is adapted, and the multiple paint spraying components are matched together to finish one-time spraying work on the workpiece; the recycling box 12 can suck the redundant fogdrops sprayed by the paint spraying unit, and the fogdrops are enriched through the recycling unit, so that recycling or centralized treatment is realized.

According to the further optimization scheme, the paint spraying assembly comprises a lantern ring 5, the lantern ring 5 is sleeved on the outer side surface of the reed 4, a jackscrew penetrates through the side surface of the lantern ring 5 and is in threaded connection with the outer side surface of the reed 4, and the jackscrew is detachably connected with the outer side surface of the reed 4; an angle adjusting component 6 is fixedly connected to the bottom surface of the lantern ring 5, a conical spraying cover 7 is fixedly connected to the bottom end of the angle adjusting component 6, a spraying nozzle 8 is detachably connected to the inner cavity of the spraying cover 7, the spraying nozzle 8 corresponds to a workpiece, and the position of the lantern ring 5 on the reed 4 can be adjusted through a jackscrew.

Furthermore, the angle adjusting component 6 is a universal metal shaping hose or two connecting pieces which are mutually provided with damping hinges, and can adjust the angle of the spray head.

According to the further optimized scheme, the bottom end of the spray cover 7 is sleeved with a rubber sleeve 9, and the top surface of the rubber sleeve 9 is provided with a plug hole 11 matched with the bottom end of the spray cover 7; the laser pen 10 is embedded in the center of the bottom surface of the rubber sleeve 9, the irradiation direction of the laser pen 10 is perpendicular to the bottom surface of the rubber sleeve 9, the spraying center and the spraying range of the spray nozzles 8 can be determined through the laser pen 10, and the distance of the spray nozzles 8 can be conveniently adjusted manually.

Further optimization scheme, the recovery unit includes a fixed box 16, the fixed box 16 is a hollow cubic structure, the bottom surface of the fixed box 16 is communicated with the top surface of the recovery box 12, the fixed box 16 is arranged close to the numerical control chassis 1, an electric cylinder 17 is fixedly connected to the top surface of the fixed box 16, a piston rod of the electric cylinder 17 penetrates through the top surface of the fixed box 16 and is fixedly connected with a scraping assembly, a plurality of electrode plates 18 arranged at equal intervals are detachably connected to the lower side of the scraping assembly, the electrode plates 18 are electrically connected with an external electrostatic generator (not shown in the drawing), the bottom end of the electrode plate 18 is fixedly connected with the bottom surface of the recovery tank 14, the top surface of the electrode plate 18 is flush with the top surface of the inner cavity of the recovery box 12, the electrode plate 18 is fixedly installed in the recovery tank 14, mist sucked through the recovery tank 14 can pass through gaps between the electrode plates 18, and the generated static electricity is used for adsorbing the mist on the electrode plates 18.

According to a further optimized scheme, the scraping assembly comprises a fixing plate 19, a plurality of scrapers are fixedly connected to the bottom surface of the fixing plate 19 at equal intervals, and the scrapers are arranged between two adjacent electrode plates 18; the scraper comprises an inverted V-shaped scraper 20, the scraper 20 is matched with the electrode plate 18, blades 26 are fixedly connected to two ends of the outer side surface of the scraper 20 respectively, connecting rods 22 are fixedly connected to two ends of the middle of the scraper 20 respectively, reinforcing rods 21 are fixedly connected to the bottom surfaces of the two connecting rods 22 respectively, the reinforcing rods 21 are embedded at the bottom end of the scraper 20, and the reinforcing rods 21 can reinforce the strength of the bottom ends of the blades 26; the top surface of the connecting rod 22 is fixedly connected with the fixing plate 19, and the scraper can scrape a large amount of paint droplets attached to the electrode plate 18 to avoid blockage. The scraper 20 is made of rubber, the blade 26 is made of hard PPS or polyurethane resin, the scraper 20 capable of deforming is used for realizing the squeezing between the two electrode plates 18, and the blade 26 can scrape off a paint film on the electrode plates 18.

Further optimization scheme, the recovery unit is kept away from to accumulator 14's one end relative lateral wall rigid coupling respectively has two guide plates 25, and two guide plates 25 slope settings, and the top surface of two guide plates 25 is close to the setting each other, realizes through two guide plates 25 that the fog droplet that gets into accumulator 14 carries out the vortex, has improved the time of contact, and the electrode plate 18 of being convenient for exerts electrostatic absorption to it.

The working process of the embodiment is as follows:

the mounting groove 13 formed on the recovery box 12 is mounted on the support rod 2, and can be selected to be in screw connection or clamping connection. When the numerical control chassis 1 is programmed according to the shape of the workpiece, the workpiece can move from one end to the other end along the shape of the workpiece, and the uniformity of paint spraying of the workpiece is facilitated. And then the extending length of the screw rod 3 is adjusted according to the arc shape of the workpiece, and the angle of the nozzle 8 is adjusted, because the arc surface of part of the workpiece (such as a front bumper of an automobile) has large undulation, the shape of the workpiece is matched with the profile of the workpiece by adjusting the reed 4 and the angle adjusting component 6 together. In-process, the rubber sleeve 9 that sets up in the bottom of spouting cover 7 can fix laser pen 10 in the spout central point of shower nozzle 8 puts, is convenient for adjust the symbol type of the subassembly that sprays paint and profile for more even unanimity behind the lacquer painting spraying also can guarantee to reduce the spraying number of times, improves spraying efficiency, adjusts the subassembly that sprays paint after finishing, need take off rubber sleeve 9 and laser pen 10, makes things convenient for the spraying of shower nozzle 8.

In the spraying process, redundant paint mist can generate adverse effect on the paint surface of a workpiece, so openings of collecting grooves 15 are respectively arranged at two sides of a spray head 8, the redundant paint mist can enter a recovery box 12 through the openings of the collecting grooves 15 through suction of an exhaust fan 24 and can roll through two guide plates 25, the paint mist is subjected to electrostatic adsorption through electrode plates 18 through the electrode plates 18 to purify the paint mist, when the paint mist adhered to the electrode plates 18 is thick, an electric cylinder 17 is started to push a scraping blade 20 to move downwards, the scraping blade 20 is made of rubber, the scraping blade can deform when entering a gap between the adjacent electrode plates 18, meanwhile, blades 26 at two sides of the scraping blade 20 realize angle overturning and are abutted against the electrode plates 18, a paint film on the electrode plates 18 is scraped under the pushing of the electric cylinder 17, and the scraping blade automatically resets after the scraping is finished. Excess paint will automatically flow from the save-all tray 14 to the collection tray 15, awaiting for post-consolidation.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims

1. An automotive painting apparatus, comprising:

the paint spraying mechanism is used for spraying a workpiece and comprises a supporting rod (2), the top surface of the supporting rod (2) is in threaded connection with a paint spraying unit, and the paint spraying unit is arranged corresponding to the workpiece;

the recycling mechanism is used for collecting and recycling the sprayed paint mist and comprises a recycling box (12), a mounting groove (13) is formed in the bottom surface of the recycling box (12), and the side wall of the mounting groove (13) is detachably connected with the supporting rod (2); the inner cavity of the recovery box (12) is sequentially provided with a recovery tank (14) and two collecting tanks (15) from top to bottom, and the recovery tank (14) is respectively communicated with two ends of each collecting tank (15); a recovery unit is arranged on the top surface of the collection groove (15) and penetrates through the top surface of the recovery box (12); one end of the bottom surface of the collecting groove (15), which is far away from the recovery unit, is communicated with the external atmosphere; one end of the top surface of the recovery box (12) close to the recovery unit is fixedly connected and communicated with an exhaust assembly;

the numerical control chassis (1) can realize 2-axis linkage and is used for moving the paint spraying mechanism, and the numerical control chassis (1) is fixedly connected with one end of the supporting rod (2).

2. A paint spraying apparatus for automobiles according to claim 1, characterized in that: the unit of spraying paint includes a plurality of screw rods (3), and is a plurality of screw rods (3) equidistant spiro union in bracing piece (2) top surface, screw rod (3) bottom is run through bracing piece (2) and swivelling joint have reed (4), can dismantle on reed (4) and be connected with a plurality of subassemblies that spray paint, the subassembly that spray paint with the work piece corresponds the setting.

3. The paint spraying apparatus for automobiles according to claim 2, wherein: the paint spraying assembly comprises a lantern ring (5), the lantern ring (5) is sleeved on the outer side surface of the reed (4), the side surface of the lantern ring (5) penetrates through and is in threaded connection with a jackscrew, and the jackscrew is detachably connected with the outer side surface of the reed (4); an angle adjusting component (6) is fixedly connected to the bottom surface of the lantern ring (5), a conical spraying cover (7) is fixedly connected to the bottom end of the angle adjusting component (6), a spraying nozzle (8) is detachably connected to the inner cavity of the spraying cover (7), and the spraying nozzle (8) corresponds to the workpiece.

4. A paint spraying apparatus for automobiles according to claim 3, characterized in that: the bottom end of the spray cover (7) is sleeved with a rubber sleeve (9), and the top surface of the rubber sleeve (9) is provided with a plug hole (11) matched with the bottom end of the spray cover (7); the rubber sleeve (9) bottom surface center inlays and is equipped with laser pen (10), laser pen (10) irradiation direction with rubber sleeve (9) bottom surface sets up perpendicularly.

5. A paint spraying apparatus for automobiles according to claim 1, characterized in that: the recovery unit includes fixed case (16), fixed case (16) are hollow cube structure, fixed case (16) bottom surface with collection box (12) top surface is linked together, fixed case (16) are close to numerical control chassis (1) sets up, fixed case (16) top surface rigid coupling has electronic jar (17), the piston rod of electronic jar (17) runs through fixed case (16) top surface and rigid coupling have the subassembly of striking off, strike off a plurality of electrode plates (18) that the subassembly below can be dismantled and be connected with equidistant setting, electrode plate (18) and outside electrostatic generator electric connection, the bottom of electrode plate (18) with collection tank (14) bottom surface fixed connection, the top surface of electrode plate (18) with collection box (12) inner chamber top surface looks parallel and level.

6. A painting apparatus for vehicles according to claim 5, characterised in that: the scraping assembly comprises a fixing plate (19), a plurality of scrapers are fixedly connected to the bottom surface of the fixing plate (19) at equal intervals, and the scrapers are arranged between two adjacent electrode plates (18); the scraper comprises an inverted V-shaped scraper blade (20), the scraper blade (20) is matched with the electrode plate (18), blades (26) are fixedly connected to two ends of the outer side surface of the scraper blade (20) respectively, connecting rods (22) are fixedly connected to two ends of the middle of the scraper blade (20) respectively, reinforcing rods (21) are fixedly connected to the bottom surfaces of the two connecting rods (22) respectively, and the reinforcing rods (21) are embedded in the bottom end of the scraper blade (20); the top surface of the connecting rod (22) is fixedly connected with the fixing plate (19).

7. The paint spraying apparatus for automobiles according to claim 6, wherein: the scraping blade (20) is made of rubber, and the blade (26) is made of hard PPS or polyurethane resin.

8. A paint spraying apparatus for automobiles according to claim 1, characterized in that: the exhaust assembly comprises an exhaust pipe (23) and an exhaust fan (24), the exhaust fan (24) is connected in series with the exhaust pipe (23), and the bottom end of the exhaust pipe (23) is fixedly connected and communicated with the top surface of the recovery box (12).

9. A paint spraying apparatus for automobiles according to claim 1, characterized in that: two guide plates (25) are fixedly connected to opposite side walls of one end, far away from the recovery unit, of the recovery tank (14) respectively, the guide plates (25) are obliquely arranged, and the top surfaces of the guide plates (25) are arranged close to each other.