Paint spraying mechanical arm

Abstract

The utility model discloses a paint spraying mechanical arm, which belongs to the technical field of paint spraying mechanical arms and comprises a mechanical arm, an output end of the mechanical arm is rotatably connected with a mounting block, a paint spraying adjusting mechanism is mounted at the bottom of the mounting block, and two groups of two paint mist removing mechanisms are symmetrically arranged on two side walls of the mounting block in a front-back manner. The adjustable paint spraying mechanism comprises an adjusting device and paint spraying nozzles, the adjusting device is connected to the bottom of the mounting block, and the multiple paint spraying nozzles are arranged at the bottom of the adjusting device. According to the automobile bumper paint spraying device, the angle is adjusted through the mechanical arm body, so that the paint spraying mechanism is adjusted to move to a proper paint spraying position, and the angles of the multiple paint spraying nozzles are adjusted through the adjusting device; when meeting an R angle, the adjusting device adjusts the paint spraying nozzle to form a corresponding angle, so that uniform paint spraying of the R angle is realized, the paint spraying time cost is reduced, and the paint spraying efficiency is improved; and the paint mist removing mechanism sucks and removes paint mist remaining in the air, and environmental pollution is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a paint spraying mechanical arm technical field, concretely relates to a paint spraying mechanical arm. BACKGROUND

[0002] With the development of the automobile, aerospace, furniture, electronics and other industries, the demand for paint spraying process continues to increase. For example, in the automobile industry, consumers' requirements for the appearance of the automobile are constantly improving, prompting automobile manufacturers to adopt more advanced paint spraying technology to ensure the appearance and durability of the vehicle body, and the market demand for paint spraying of automobile bumpers is increasing.

[0003] The publication number CN219442208U discloses a paint spraying mechanical arm convenient to maintain, which comprises a base and a paint spraying end, a motor is installed on the inner wall of the mounting box, a bidirectional screw rod is installed on the output end of the motor, two groups of sliding blocks are installed around the outer wall of the bidirectional screw rod, a clamping column is installed on the outer wall of the connecting column, a hydraulic rod is installed on the inner wall of the groove body, a hemispherical block is installed on the output end of the hydraulic rod, and a hemispherical groove is arranged on the inner wall of the clamping groove. The utility model discloses a convenient maintenance device, the motor drives the bidirectional screw rod to rotate, so that the two groups of sliding blocks do not clamp the paint spraying end. Due to the movement of the sliding blocks, the hydraulic rod is retracted, the hemispherical block is removed from the hemispherical groove, the clamping column is removed from the clamping groove, the paint spraying end is pulled out, the paint spraying end is removed from the second mechanical arm, and the paint spraying end is maintained conveniently. However, the mechanical arm still has the following problems:

[0004] 1. When the mechanical arm sprays the automobile bumper, the surface shape of the automobile bumper is complex, and when the R angle is encountered, the R angle part needs to be repeatedly sprayed back and forth, which increases the time cost and reduces the paint spraying efficiency.

[0005] 2. The mechanical arm produces a large amount of paint mist floating in the air during paint spraying, polluting the environment.

[0006] Therefore, the utility model designs a paint spraying mechanical arm to solve the above problems. UTILITY MODEL CONTENTS

[0007] In view of the above shortcomings of the prior art, the utility model provides a paint spraying mechanical arm.

[0008] To achieve the above purpose, the utility model realizes the following technical scheme:

[0009] The utility model provides a paint spraying mechanical arm, including the mechanical arm, the mechanical arm output end rotationally connected with the mounting block, can adopt four degrees of freedom mechanical arm to the bottom of mounting block is equipped with the paint spraying machine of adjusting for bumper paint spraying, the both sides wall of mounting block is equipped with two paint mist removing mechanism which is symmetrical in front and back, is used for sucking the paint mist which remains in air.

[0010] The adjusting paint spraying mechanism comprises an adjusting device and a paint spraying nozzle, the adjusting device for adjusting the angle of the paint spraying nozzle is connected to the bottom of the mounting block, and a plurality of paint spraying nozzles are arranged on the bottom of the adjusting device.

[0011] Furthermore, the adjusting device comprises a mounting sleeve, a connecting plate, a push rod, a fixing plate, a rotating plate and a connecting rod, the mounting sleeve is fixedly connected to the bottom of the mounting block, the connecting plate is fixedly connected to the bottom of the mounting sleeve, the push rod is fixedly arranged on the inner side of the mounting sleeve, the output end of the push rod is slidably penetrated through the connecting plate and is fixedly connected with the fixing plate, the rotating plate is hingedly connected to the both side walls of the fixing plate, one end of the two connecting rods is hingedly connected to the both side walls of the connecting plate, the other end of the two connecting rods is hingedly connected to the top surface of the two rotating plates, and the fixing plate and the bottom of the two rotating plates are fixedly connected with the paint spraying nozzles.

[0012] Furthermore, the two rotating plates are symmetrically hingedly connected to the both side walls of the fixing plate.

[0013] Furthermore, the paint spraying nozzle is an atomizing nozzle.

[0014] Furthermore, the paint mist removing mechanism comprises a driving device and a rotary limiting device, the driving device is connected to the front and back side walls of the mounting block, the bottom of each driving device is connected with the rotary limiting device.

[0015] Furthermore, the driving device comprises a mounting plate, a motor and a connecting block, the two mounting plates are fixedly connected to the front and back side walls of the mounting block, the top of each mounting plate is fixedly connected with the motor, and the bottom of each mounting plate is fixedly connected with the connecting block.

[0016] Furthermore, the rotary limiting device comprises an L-shaped connecting block, a square ring, a rotating block, a cylinder, two limiting rods and an air suction nozzle, the two L-shaped connecting blocks are fixedly connected to the side walls of the connecting block in left-right symmetry, the output shaft of the motor is rotatably penetrated through the mounting plate and the connecting block and is fixedly connected to one end of the rotating block, the other end of the rotating block is rotatably connected to the top of the cylinder, the bottom of the two L-shaped connecting blocks is rotatably connected to the two outer walls of the square ring in left-right symmetry, the square ring is located outside the cylinder, the side wall of the cylinder is rotatably connected with the two limiting rods which are symmetrical in front and back, the other end of the two limiting rods is rotatably connected to the inner walls of the square ring in front and back, the bottom of the cylinder is fixedly connected with the air suction nozzle, and the top of the side wall of the cylinder is fixedly connected with a hose for connecting the air suction nozzle with an air suction machine.

[0017] Further, the rotating block is connected to the lower end of the cylinder eccentrically.

[0018] Compared with the prior art, the utility model has the advantages of:

[0019] In the utility model, the angle of the mechanical arm body is adjusted, so that the paint spraying mechanism is adjusted to move to a suitable paint spraying position, and the angle of the multiple paint spraying nozzles is adjusted through the adjusting device, when the bumper is painted, when a relatively gentle surface is encountered, the multiple paint spraying nozzles are in the same plane, the paint spraying area is increased, and the efficiency is improved; when an R angle is encountered, the adjusting device adjusts the paint spraying nozzles to a corresponding angle, without needing to paint the R angle back and forth for multiple times, so that uniform paint spraying of the R angle is realized, the time cost of paint spraying is reduced, the paint spraying efficiency is improved, and the paint mist removing mechanism is used for removing paint mist remaining in air, so that environmental pollution caused by paint spraying is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creative labor for those skilled in the art.

[0021] Figure 1 It is a perspective view of the paint spraying mechanical arm of the utility model Figure 1 ;

[0022] Figure 2 It is a front view of the paint spraying mechanical arm of the utility model

[0023] Figure 3 It is a left view of the paint spraying mechanical arm of the utility model

[0024] Figure 4 It is a perspective view of the paint spraying mechanical arm of the utility model Figure 2 ;

[0025] Figure 5 It is an enlarged view of A in the utility model Figure 1 ;

[0026] Figure 6 It is an enlarged view of B in the utility model Figure 4 ;

[0027] Figure 7 It is an enlarged view of C in the utility model Figure 4 ;

[0028] The reference numerals in the drawings respectively represent:

[0029] 1, mechanical arm; 2, mounting block; 3, adjusting paint spraying mechanism; 31, adjusting device; 311, mounting sleeve; 312, connecting plate; 313, push rod; 314, fixed plate; 315, rotating plate; 316, connecting rod; 32, paint spraying nozzle; 4, paint mist removing mechanism; 41, driving device; 411, mounting plate; 412, motor; 413, connecting block; 42, rotating limiting device; 421, L-shaped connecting block; 422, square ring; 423, rotating block; 424, cylinder; 425, limiting rod; 426, air suction nozzle. DETAILED DESCRIPTION

[0030] To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described below in connection with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0031] In the following description, "left", "right", "front", "back", "up", "down" are oriented in the perspective of the front view.

[0032] Embodiment one:

[0033] In some embodiments, referring to the drawings in the specification Figures 1-7 A paint spraying mechanical arm, comprising a mechanical arm 1, a mounting block 2 is rotationally connected to the output end of the mechanical arm 1, and the mechanical arm 1 can be a four-degree-of-freedom mechanical arm; the bottom of the mounting block 2 is provided with an adjusting paint spraying mechanism 3 for spraying paint on the bumper, and the two side walls of the mounting block 2 are provided with two paint mist removing mechanisms 4 symmetrical in front and back, for sucking and removing paint mist remaining in the air.

[0034] The adjusting paint spraying mechanism 3 comprises an adjusting device 31 and a paint spraying nozzle 32, the adjusting device 31 for adjusting the angle of the paint spraying nozzle 32 is connected to the bottom of the mounting block 2, and a plurality of paint spraying nozzles 32 are arranged on the bottom of the adjusting device 31.

[0035] The utility model discloses, through the angle of adjusting mechanical arm main body 1, make the adjusting paint spraying mechanism 3 move to the suitable paint spraying position, and through the angle of adjusting device 31 adjustment multiple paint spraying nozzles 32, when the bumper is painted, when meeting more gentle face, multiple paint spraying nozzles 32 are in same plane, increase the paint spraying area, improve the efficiency, when meeting R angle, adjusting device 31 adjusts the corresponding angle of paint spraying nozzle 32, need not multiple back and forth to R angle and can realize the even paint spraying of R angle to R angle, reduce the time cost of paint spraying, side improves the paint spraying efficiency, and paint mist mechanism 4 is used for sucking the paint mist remaining in air, reduces the environmental pollution caused by paint spraying to air.

[0036] Embodiment two:

[0037] In some embodiments, the adjusting device 31 includes a mounting sleeve 311, a connecting plate 312, a push rod 313, a fixed plate 314, a rotating plate 315, and a connecting rod 316. The mounting sleeve 311 is fixedly connected to the bottom of the mounting block 2. The connecting plate 312 is fixedly installed at the bottom of the mounting sleeve 311. The push rod 313 is fixedly arranged on the inner side of the mounting sleeve 311. The output end of the push rod 313 slides through the connecting plate 312 and is fixedly connected with the fixed plate 314. The two sides of the fixed plate 314 are hingedly connected with the rotating plates 315. The two connecting rods 316 are hingedly connected to the two sides of the connecting plate 312. The other ends of the two connecting rods 316 are hingedly connected to the top surfaces of the two rotating plates 315. The fixed plate 314 and the bottoms of the two rotating plates 315 are fixedly connected with the paint spraying nozzles 32. The paint spraying nozzles 32 are atomizing nozzles.

[0038] In the utility model, when a relatively flat surface is encountered during the process of painting the bumper, the output end of the push rod 313 drives the fixed plate 314 to move downward. Under the limiting action of the connecting rod 316, the two rotating plates 315 are rotated to be coplanar with the fixed plate 314. At this time, the paint spraying angles of the paint spraying nozzles 32 on the fixed plate 314 and the rotating plates 315 are consistent, and the paint spraying area is increased, thereby improving the paint spraying efficiency. When an R angle is encountered, the output end of the push rod 313 drives the fixed plate 314 to move upward. Under the limiting action of the connecting rod 316, the two rotating plates 315 start to rotate. Finally, the paint spraying angle formed by the two rotating plates 315 and the fixed plate 314 corresponds to the R angle. At this time, the R angle does not need to be painted multiple times back and forth, thereby realizing even paint spraying of the R angle, reducing the time cost of paint spraying, and improving the paint spraying efficiency.

[0039] In the utility model, the output end of the push rod 313 drives the fixed plate 314 to move up and down, thereby adjusting and controlling the angle of the rotating plate 315 and the fixed plate 314, and realizing even and efficient paint spraying of different surface environments of the bumper, and improving the paint spraying efficiency.

[0040] The paint mist mechanism 4 comprises driving devices 41 and rotation limiting devices 42, the front and rear side walls of the mounting block 2 are connected with the driving devices 41, and the bottom of each driving device 41 is connected with the rotation limiting device 42.

[0041] The driving device 41 comprises mounting plates 411, motors 412 and connecting blocks 413, two mounting plates 411 are fixedly connected on the front and rear side walls of the mounting block 2, the top of each mounting plate 411 is fixedly connected with the motor 412, and the bottom of each mounting plate 411 is fixedly connected with the connecting block 413.

[0042] The rotation limiting device 42 comprises L-shaped connecting blocks 421, square rings 422, rotating blocks 423, cylinders 424, two limiting rods 425 and air suction nozzles 426, two L-shaped connecting blocks 421 are fixedly and symmetrically connected on the side walls of the connecting block 413, the output shaft of the motor 412 is rotatably connected with one end of the rotating block 423 after penetrating through the mounting plate 411 and the connecting block 413, the other end of the rotating block 423 is rotatably connected with the top of the cylinder 424, and the connecting end of the rotating block 423 and the cylinder 424 is eccentric downward, the bottoms of the two L-shaped connecting blocks 421 are rotatably connected with the two outer walls of the square ring 422, the square ring 422 is located outside the cylinder 424, the side wall of the cylinder 424 is rotatably connected with two limiting rods 425 which are symmetrically arranged in front and back, and the other ends of the two limiting rods 425 are rotatably connected with the inner walls of the square ring 422 in front and back, and the bottom of the cylinder 424 is fixedly connected with the air suction nozzle 426.

[0043] In the utility model, when the paint spraying nozzle 32 sprays paint, the motor 412 drives the rotating block 423 to drive the cylinder 424 to rotate, and the limiting of the limiting rod 425 also drives the two ends of the square ring 422 to move up and down, so that the cylinder 424 drives the air suction nozzle 426 to rotate and absorb paint mist in the air, and the environmental pollution caused by paint spraying to the air is reduced.

[0044] The above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A paint spraying mechanical arm, comprising a mechanical arm (1), characterized in that: the mechanical arm (1) is rotationally connected with a mounting block (2) at the output end, the mechanical arm (1) can adopt a four-degree-of-freedom mechanical arm, the bottom of the mounting block (2) is provided with an adjusting paint spraying mechanism (3) for spraying the bumper, both side walls of the mounting block (2) are provided with two paint mist removing mechanisms (4) symmetrical in front and back for sucking and removing the paint mist remaining in the air; the adjusting paint spraying mechanism (3) comprises an adjusting device (31) and a paint spraying nozzle (32), the adjusting device (31) for adjusting the angle of the paint spraying nozzle (32) is connected at the bottom of the mounting block (2), and a plurality of paint spraying nozzles (32) are arranged at the bottom of the adjusting device (31).

2. The paint spraying robot arm of claim 1, wherein, the adjusting device (31) comprises a mounting sleeve (311), a connecting plate (312), a push rod (313), a fixed plate (314), a rotating plate (315) and a connecting rod (316), the mounting sleeve (311) is fixedly connected at the bottom of the mounting block (2), the connecting plate (312) is fixedly connected at the bottom of the mounting sleeve (311), the push rod (313) is fixedly arranged at the inner side of the mounting sleeve (311), the output end of the push rod (313) is slidably penetrated through the connecting plate (312) and is fixedly connected with the fixed plate (314), the two side walls of the fixed plate (314) are both hingedly connected with the rotating plate (315), one end of each of the two connecting rods (316) is hingedly connected with the two side walls of the connecting plate (312), the other end of each of the two connecting rods (316) is hingedly connected with the top surface of the two rotating plates (315), and the bottom of the fixed plate (314) and the bottom of the two rotating plates (315) are both fixedly connected with the paint spraying nozzle (32).

3. The paint spraying robot arm of claim 2, wherein, The two rotating plates (315) are symmetrically hingedly connected with the two side walls of the fixed plate (314).

4. The paint spraying robot arm of claim 3, wherein, The paint spraying nozzle (32) is an atomizing nozzle.

5. The paint spraying robot arm of claim 4, wherein, the paint mist removing mechanism (4) comprises a driving device (41) and a rotation limiting device (42), the front and back side walls of the mounting block (2) are both connected with the driving device (41), and the bottom of each driving device (41) is connected with the rotation limiting device (42).

6. The paint spraying robot arm of claim 5, wherein, the driving device (41) comprises a mounting plate (411), a motor (412) and a connecting block (413), two mounting plates (411) are fixedly connected with the front and back side walls of the mounting block (2), the top of each mounting plate (411) is fixedly connected with the motor (412), and the bottom of each mounting plate (411) is fixedly connected with the connecting block (413).

7. The paint spraying robot arm of claim 6, wherein, Said rotation limiting device (42) includes L-shaped connecting block (421), square ring (422), rotating block (423), cylinder (424), two limiting rods (425) and air suction nozzle (426), two L-shaped connecting blocks (421) are fixed and connected on the side wall of connecting block (413) symmetrically, the output shaft of motor (412) is rotatable to penetrate mounting plate (411), connecting block (413) and is fixedly connected with one end of rotating block (423), the other end of rotating block (423) is rotatably connected with the top of cylinder (424); the bottoms of two L-shaped connecting blocks (421) are rotatably connected with the outer walls of square ring (422) symmetrically, square ring (422) is located outside cylinder (424), the side wall of cylinder (424) is rotatably connected with two limiting rods (425) symmetrically, the other ends of two limiting rods (425) are rotatably connected with the inner walls of square ring (422) on the front and back sides, cylinder (424) is fixedly connected with air suction nozzle (426) at the bottom, and the top of the side wall of cylinder (424) is fixedly connected with a hose for connecting air suction nozzle (426) and an air suction machine.

8. The paint spraying robot arm of claim 7, wherein, The end, connected with cylinder (424), of rotating block (423) is eccentric downward.

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