Multi-color-changing automatic spraying machine

Abstract

The utility model provides a multi-color-change automatic spraying machine which solves the problems that an existing multi-color-change spraying machine is usually provided with a plurality of sprayers with different colors, the positions of the sprayers in the space are different, the positions of the sprayers need to be adjusted again every time the sprayers are switched, operation complexity is increased, and operation is very inconvenient. The driving mechanism is arranged on the second mechanical arm to drive the rotary table and the multiple spray guns to rotate by a certain angle along the axis, any spray gun corresponding to the color needing to be adjusted can be rotated to the spraying position to continue spraying operation, the position of a spray gun nozzle does not need to be adjusted again after the spray gun is switched, operation steps are reduced, and production efficiency is improved. The working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of spraying, in particular to a multi-color-changing automatic spraying machine. Background Art

[0002] Spraying is one of the methods of surface treatment. The sprayer uses a spray gun or a disc atomizer to disperse the spray into uniform and fine droplets with the help of pressure or centrifugal force, and then sprays the droplets on the surface of the object to be coated. It is widely used in the electronics, hardware, plastic products and other industries.

[0003] Existing multi-color spray machines are usually equipped with multiple nozzles of different colors, which can accurately apply multiple colors on the surface of the workpiece to achieve the purpose of multi-color spraying. However, since the positions of the multiple nozzles are different in space, the position of the nozzles needs to be readjusted each time the nozzles are switched, which increases the complexity of the operation and is very inconvenient. Utility Model Content

[0004] In order to solve the problem that the existing multi-color-changing spray machines in the background technology are usually provided with a plurality of nozzles of different colors, and the positions of the plurality of nozzles are different in space, and the positions of the nozzles need to be readjusted each time the nozzles are switched, which increases the complexity of the operation and is very inconvenient, the utility model proposes a multi-color-changing automatic spray machine.

[0005] The technical solution of the utility model is: a multi-color automatic spraying machine, comprising a driving device arranged in the spraying machine, a movable base is arranged on the driving device, and the driving device is used to drive the movable base to move left and right;

[0006] A first mechanical arm is hinged on the mobile base, a second mechanical arm is hinged on the top of the first mechanical arm, a driving mechanism is provided on the second mechanical arm, a turntable is provided on the driving mechanism, a plurality of spray guns are fixedly provided on the turntable, the plurality of spray guns are arranged at intervals along the circumferential direction of the turntable, and the driving mechanism is used for driving the turntable and the plurality of spray guns to rotate a certain angle.

[0007] Preferably, the driving mechanism comprises a telescopic device fixedly arranged at the front end of the second mechanical arm, a fixed cylinder is fixedly arranged at the front end of the telescopic device, a rotating cylinder is rotatably arranged in the fixed cylinder, the front end of the rotating cylinder passes through the fixed cylinder, the rotating disk is fixedly arranged at the front end of the rotating cylinder, and the piston rod of the telescopic device passes through the rotating cylinder;

[0008] A spiral groove is provided on the inner wall of the fixed cylinder, and a plurality of protrusions are fixed on the outer peripheral surface of the piston rod end of the telescopic device. The plurality of protrusions are slidably arranged in the spiral groove. The piston rod of the telescopic device is threadedly connected with the rotating cylinder through the plurality of protrusions and the spiral groove.

[0009] Preferably, a ball bearing is fixedly arranged in the fixed cylinder, and the rotating cylinder is fixedly inserted into the ball bearing.

[0010] Preferably, the rear end of the spray gun is fixedly connected and communicated with a pipe extending backward, the pipe includes a paint pipe and an air pipe, and a fixed ring plate is fixedly provided on the first mechanical arm, and the pipe is fixedly inserted into the fixed ring plate.

[0011] Preferably, the driving device comprises a base fixedly arranged in the spraying machine, a screw extending in the left-right direction is rotatably arranged in the base, a guide slider is threadedly sleeved on the screw, and the movable base is fixedly arranged on the guide slider;

[0012] A servo motor is fixedly provided at the right end of the base, and the right end of the screw passes through the base and is fixedly connected to the output shaft of the servo motor; two guide rods extending in the left and right directions are fixedly provided in the base, and the two guide rods are respectively located in front of and behind the screw, and two left and right transparent through holes are provided on the guide slider, and the guide slider is slidably sleeved on the two guide rods through the two through holes.

[0013] Preferably, the movable base is hinged to the first mechanical arm through a first pin shaft, the first pin shaft is fixedly connected to the first mechanical arm, the first driving device is transmission-connected to the first pin shaft, and the first driving device is used to drive the first mechanical arm to rotate forward and backward through the first pin shaft.

[0014] Preferably, the first mechanical arm is connected to the second mechanical arm via a second pin shaft, the second pin shaft is fixedly connected to the second mechanical arm, the second driving device is transmission-connected to the second pin shaft, and the second driving device is used to drive the second mechanical arm to rotate up and down via the second pin shaft.

[0015] Advantages of the utility model: the utility model sets a driving mechanism on the second mechanical arm to drive the turntable and multiple spray guns to rotate a certain angle along the axis, so that any spray gun corresponding to the color that needs to be adjusted can be rotated to the spraying position to continue the spraying operation. There is no need to readjust the position of the spray gun nozzle after switching the spray gun, which reduces the operation steps and improves work efficiency.

[0016] The driving device drives the movable base to move left and right, so that the spray gun can spray the workpiece in the left and right directions, thereby improving the operability of the spraying operation and improving the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 The overall structure of the utility model is shown in FIG. Figure 1 ;

[0019] Figure 2 The overall structure of the utility model is shown in FIG. Figure 2 ;

[0020] Figure 3 It is a structural side sectional view of the telescopic device of the utility model;

[0021] Figure 4 It is a structural explosion diagram of the fixed drum and the rotating drum of the utility model.

[0022] In the figure: 1. driving device; 101. base; 102. screw; 103. servo motor; 104. guide rod; 105. guide slider; 2. movable base; 3. first mechanical arm; 4. second mechanical arm; 5. first driving device; 6. second driving device; 7. telescopic device; 8. fixed cylinder; 9. ball bearing; 10. rotating cylinder; 11. turntable; 12. spray gun; 13. pipeline; 14. fixed ring plate; 15. spiral groove; 16. bump. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Embodiment 1: A multi-color automatic spraying machine, such as Figure 1-4 As shown, it includes a driving device 1 arranged in the sprayer, and a movable base 2 is provided on the driving device 1. The driving device 1 is used to drive the movable base 2 to move left and right. Specifically, the movable base 2 includes a base 101 fixedly arranged in the sprayer, and a screw 102 extending in the left and right directions is rotatably provided in the base 101, and a guide slider 105 is threadedly sleeved on the screw 102, and the movable base 2 is fixedly arranged on the guide slider 105; a servo motor 103 is fixedly provided at the right end of the base 101, and the right end of the screw 102 passes through the base 101 and is fixedly connected to the output shaft of the servo motor 103; two guide rods 104 extending in the left and right directions are fixedly provided in the base 101, and the two guide rods 104 are respectively located in front of and behind the screw 102, and two left and right transparent through holes are opened on the guide slider 105, and the guide slider 105 is slidably sleeved on the two guide rods 104 through the two through holes.

[0025] The mobile base 2 is hinged with the first mechanical arm 3 through the first pin shaft. The mobile base 2 is fixedly provided with a first driving device 5. The first driving device 5 is a servo motor. The first pin shaft is fixedly connected to the first mechanical arm 3. The output shaft of the first driving device 5 is fixedly connected to the first pin shaft. The first driving device 5 can drive the first mechanical arm 3 to rotate in the front and rear directions along the hinge point through the first pin shaft.

[0026] The top of the first robotic arm 3 is hinged with the second robotic arm 4 through a second pin shaft. A second driving device 6 is fixedly provided at the top of the first robotic arm 3. The second driving device 6 is a servo motor. The second pin shaft is fixedly connected to the second robotic arm 4. The output shaft of the second driving device 6 is fixedly connected to the second pin shaft. The second driving device 6 can drive the second robotic arm 4 to rotate in the up and down directions along the hinge point through the second pin shaft.

[0027] The second mechanical arm 4 is provided with a driving mechanism, which is provided with a turntable 11, on which a plurality of spray guns 12 are fixedly penetrated, and the plurality of spray guns 12 are arranged at intervals along the circumferential direction of the turntable 11, and the driving mechanism is used to drive the turntable 11 and the plurality of spray guns 12 to rotate a certain angle. Specifically, the driving mechanism includes a telescopic device 7 fixedly provided at the front end of the second mechanical arm 4, the telescopic device 7 is a servo cylinder, a fixed cylinder 8 is fixedly provided at the front end of the telescopic device 7, a ball bearing 9 is fixedly provided in the fixed cylinder 8, a rotating cylinder 10 is fixedly penetrated in the ball bearing 9, the front end of the rotating cylinder 10 penetrates the fixed cylinder 8, and the turntable 11 is fixedly provided at the front end of the rotating cylinder 10, and the rotating cylinder 10 rotates in the fixed cylinder 8 through the ball bearing 9 The ball bearing 9 can reduce the rotational friction between the rotating cylinder 10 and the fixed cylinder 8, improve the rotation efficiency, and reduce wear. The piston rod of the telescopic device 7 is inserted into the rotating cylinder 10. The inner wall of the fixed cylinder 8 is provided with a spiral groove 15. A plurality of protrusions 16 are fixedly provided on the outer circumferential surface of the piston rod end of the telescopic device 7. The plurality of protrusions 16 are slidably arranged in the spiral groove 15. The piston rod of the telescopic device 7 is threadedly connected to the rotating cylinder 10 through the plurality of protrusions 16 and the spiral groove 15. The piston rod of the telescopic device 7 can drive the rotating cylinder 10 to rotate in the fixed cylinder 8 through the plurality of protrusions 16 and the spiral groove 15 when telescoping. When the telescopic device 7 is extended to the longest range, the rotating cylinder 10 rotates less than one circle in the fixed cylinder 8.

[0028] The rear end of the spray gun 12 is fixedly connected and communicated with a pipe 13 extending backward, and the pipe 13 includes a paint pipe and an air pipe. A fixed ring plate 14 is fixedly provided on the first robotic arm 3, and the pipe 13 is fixedly passed through the fixed ring plate 14. The pipe 13 between the spray gun 12 and the fixed ring plate 14 can adapt to a certain degree of twisting and deformation. The fixed ring plate 14 can fix the pipe 13 to prevent the pipe 13 located at the rear from being entangled.

[0029] When the telescopic device 7 is extended or retracted, the rotating drum 10 is driven to rotate in the fixed drum 8 through the multiple protrusions 16 and the spiral grooves 15, which can provide greater torque output and precise control, so that the turntable 11 and the multiple spray guns 12 can rotate stably, and the turntable 11 and the multiple spray guns 12 can be accurately rotated to a specified angle, and by controlling the rotation of the turntable 11 and the multiple spray guns 12 by telescopic means, it can be avoided that the multiple spray guns 12 rotate too many times, causing the pipe 13 to be entangled.

[0030] Working principle: When in use, the piston rod of the telescopic device 7 is controlled to be extended and retracted. The piston rod of the telescopic device 7 drives the rotating cylinder 10 to rotate a certain angle in the fixed cylinder 8 through multiple protrusions 16 and spiral grooves 15, and at the same time drives the turntable 11 and multiple spray guns 12 to rotate a certain angle, and rotates any spray gun 12 corresponding to the color that needs to be adjusted to the spraying position.

[0031] By driving the servo motor 103 to drive the screw 102 to rotate, the guide slider 105 and the movable base 2 are driven to move left and right along the guide rod 104, and the workpiece is sprayed in the left and right directions; by controlling the first drive device 5 and the second drive device 6 to change the inclination angle of the first robot arm 3 and the second robot arm 4, the spatial position of the spray gun 12, the spraying angle of the spray gun 12, and the distance between the spray gun 12 and the workpiece are controlled.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is limited by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A multi-color automatic spraying machine, characterized by: The invention comprises a driving device (1) arranged in the spraying machine, wherein a movable base (2) is arranged on the driving device (1), and the driving device (1) is used to drive the movable base (2) to move left and right; A first mechanical arm (3) is hingedly connected to the mobile base (2), a second mechanical arm (4) is hingedly connected to the top of the first mechanical arm (3), a driving mechanism is provided on the second mechanical arm (4), a rotating disk (11) is provided on the driving mechanism, a plurality of spray guns (12) are fixedly mounted on the rotating disk (11), the plurality of spray guns (12) are arranged at intervals along the circumferential direction of the rotating disk (11), and the driving mechanism is used for driving the rotating disk (11) and the plurality of spray guns (12) to rotate along the axis by a certain angle.

2. The multi-color automatic spraying machine according to claim 1, characterized in that: The driving mechanism comprises a telescopic device (7) fixedly arranged at the front end of the second mechanical arm (4); a fixed cylinder (8) is fixedly arranged at the front end of the telescopic device (7); a rotating cylinder (10) is rotatably arranged inside the fixed cylinder (8); the front end of the rotating cylinder (10) passes through the fixed cylinder (8); a rotating disk (11) is fixedly arranged at the front end of the rotating cylinder (10); and a piston rod of the telescopic device (7) passes through the rotating cylinder (10); The inner wall of the fixed cylinder (8) is provided with a spiral groove (15), and a plurality of protrusions (16) are fixedly provided on the outer peripheral surface of the piston rod end of the telescopic device (7). The plurality of protrusions (16) are slidably arranged in the spiral groove (15), and the piston rod of the telescopic device (7) is threadedly connected to the rotating cylinder (10) via the plurality of protrusions (16) and the spiral groove (15).

3. A multi-color automatic spraying machine according to claim 2, characterized in that: A ball bearing (9) is fixedly arranged in the fixed cylinder (8), and the rotating cylinder (10) is fixedly penetrated in the ball bearing (9).

4. The multi-color automatic spraying machine according to claim 1, characterized in that: The rear end of the spray gun (12) is fixedly connected to and communicated with a pipe (13) extending backwards, wherein the pipe (13) includes a paint pipe and an air pipe. A fixed ring plate (14) is fixedly provided on the first mechanical arm (3), and the pipe (13) is fixedly penetrated in the fixed ring plate (14).

5. The multi-color automatic spraying machine according to claim 1, characterized in that: The driving device (1) comprises a base (101) fixedly arranged in the spraying machine, a screw rod (102) extending in the left-right direction is rotatably arranged in the base (101), a guide slider (105) is threadedly sleeved on the screw rod (102), and the movable base (2) is fixedly arranged on the guide slider (105); A servo motor (103) is fixedly arranged at the right end of the base (101), and the right end of the screw rod (102) passes through the base (101) and is fixedly connected to the output shaft of the servo motor (103); two guide rods (104) extending in the left and right directions are fixedly arranged in the base (101), and the two guide rods (104) are respectively located in front of and behind the screw rod (102); two left and right transparent through holes are opened on the guide slider (105), and the guide slider (105) is slidably sleeved on the two guide rods (104) through the two through holes.

6. The multi-color automatic spraying machine according to claim 1, characterized in that: The movable base (2) is hinged to the first mechanical arm (3) via a first pin shaft, the first pin shaft is fixedly connected to the first mechanical arm (3), the first driving device (5) is transmission-connected to the first pin shaft, and the first driving device (5) is used to drive the first mechanical arm (3) to rotate forward and backward via the first pin shaft.

7. The multi-color automatic spraying machine according to claim 1, characterized in that: The first mechanical arm (3) is connected to the second mechanical arm (4) via a second pin shaft, the second pin shaft is fixedly connected to the second mechanical arm (4), the second driving device (6) is transmission-connected to the second pin shaft, and the second driving device (6) is used to drive the second mechanical arm (4) to rotate up and down via the second pin shaft.

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