Spraying device for coating liquid on shell of electric vehicle

Abstract

The utility model belongs to the technical field of spraying devices, and particularly relates to a spraying device for coating liquid on an electric vehicle shell, which comprises a conveying pipe, a baffle plate is arranged in one end of the conveying pipe through a rotating shaft, a driven gear is arranged on the outer wall of the top end of the rotating shaft, a sliding rod is fixedly connected in the driven gear, and an arc-shaped groove is formed in a fixed seat. The bottom end of the sliding rod is slidably installed in the arc-shaped groove, a sliding groove is formed in the outer side of the arc-shaped groove, a sliding block is slidably installed in the sliding groove and the arc-shaped groove jointly, a pressure sensor is assembled on one side of the sliding block, and a driving gear is installed at the output end of the servo motor. The servo motor works, the driving gear at the output end of the servo motor drives the driven gear to rotate, the sliding rod slides in the arc-shaped groove, and therefore the angle of the baffle is changed, when the pressure sensor detects the pressure of the sliding rod on the sliding block and the control panel receives a signal of the pressure sensor, the servo motor is closed, and accurate control over the spraying pressure is achieved. Therefore, the performance of different coatings is met, and the uniformity and quality of the coating are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to spraying device technical field, concretely is a kind of spraying device of electric vehicle shell coating liquid. BACKGROUND

[0002] In the production process of electric vehicle, the surface of the shell of electric vehicle needs to be sprayed to improve the overall appearance of electric vehicle, so a spraying device is needed.

[0003] A Chinese patent with publication number CN115382701A discloses an electric vehicle shell finish spraying device, which includes a box body. The upper parts of the opposite side walls in the box body are fixedly connected with guide rails, and a plurality of groups of first connecting blocks are slidingly connected to the support rods. A first motor is fixedly connected to the top of the second connecting block. A paint spraying assembly is movably connected to the center of the bottom of the first connecting block. The first motor is started through a belt drive to drive the first gear to rotate, so that the first gear moves on the guide rail, and in turn drives the support rod to move to push the entire paint spraying assembly, so as to improve the quality and effect of paint spraying, and to achieve more rapid and uniform finish spraying.

[0004] However, the above-mentioned spraying device still has some problems. In actual application, different types of paint have different viscosity and fluidity. Thicker paint needs higher spraying pressure to be smoothly sprayed and evenly dispersed, while thinner paint needs lower pressure to avoid excessive spraying and dripping. However, it is inconvenient to adjust the spraying pressure in the prior art, which causes the paint to not be evenly attached to the surface of the shell, affecting the overall appearance of the electric vehicle. Therefore, a spraying device for coating liquid of electric vehicle shell is proposed to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the shortcomings of the prior art and solve the problems raised in the background art, the utility model provides a spraying device for coating liquid of electric vehicle shell.

[0006] The utility model discloses a technical scheme that solves its technical problem is adopted: the utility model discloses an electric vehicle shell coating liquid's spraying device, including the box, the positive upper of box is equipped with the conveying pipe, the inside of conveying pipe one end is installed with the baffle through the pivot, the top outer wall of pivot is installed with the driven gear, the inside of driven gear is firmly connected with the slide, the top side of conveying pipe is installed with the fixed base, the inside of fixed base is equipped with the arc slot, the arc slot is set up and presents ninety degrees, the inside of arc slot is slidably installed in the bottom of slide, the outside of arc slot is equipped with the sliding slot, the inside of sliding slot and arc slot are slidably installed with the sliding block, the inside rotation of sliding block one side is installed with the locking screw, the one side of sliding block is equipped with the pressure sensor, the pressure sensor is used for detecting the pressure of slide to sliding block, one side of conveying pipe is installed with the support column, the top side of support column is installed with the servo motor, the output of servo motor is installed with the driving gear, and the driving gear is engaged with the driven gear, can accurately control the pressure of spraying, thereby satisfying the performance of different coating, ensure the uniformity and quality of coating.

[0007] Preferably, the outside of the box is provided with a mounting bracket, the support column is fixed on the top side of the mounting bracket, two mounting plates are symmetrically installed on the two sides of the mounting bracket, a guide rod and a screw rod are fixedly installed and rotatably installed between the mounting plates, a drive motor is installed on one side of the mounting plate, one end of the screw rod is connected with the output end of the drive motor, a connecting plate is installed on the outer walls of the guide rod and the screw rod, so that the spraying assembly reciprocates in the horizontal direction, which helps to improve the uniformity of spraying, avoids local over-thickness or under-thickness, and improves the overall spraying effect.

[0008] Preferably, a storage tank is installed on the top side of the mounting bracket, one end of the conveying pipe is connected with the storage tank, a pump is installed on the outer wall of the conveying pipe, a transfer cavity is installed on the bottom side of the connecting plate, the other end of the conveying pipe penetrates through the connecting plate and is connected with the transfer cavity, one end of the conveying pipe is a hard pipe, and the other end is a soft pipe, six nozzles are equidistantly installed on the bottom side of the transfer cavity, to ensure the smoothness of liquid delivery.

[0009] Preferably, telescopic rods are installed on the two sides of the box, L-shaped supports are installed on the acting ends of the telescopic rods, to provide stable support and fixation for the electric vehicle shell, ensure that the shell does not shake or move during spraying, and ensure the accuracy and consistency of spraying.

[0010] Preferably, the box is fixedly connected with a fixed plate at the middle, a plurality of through holes are equidistantly formed in the fixed plate, the fixed plate divides the box into a spraying cavity and a recycling cavity, a movable door is hingedly connected to one side of the box at the spraying cavity, a handle is mounted on one side of the movable door, and a discharge pipe is connected to the bottom of the recycling cavity of the box, thereby reducing waste of paint and pollution to the environment.

[0011] Preferably, a control panel is mounted on one side of the box and electrically connected between the pressure sensor and the servo motor, wherein the control panel is used for signal transmission of the pressure sensor and operation control of the servo motor, thereby realizing automatic control of the spraying process.

[0012] The utility model has the advantages that:

[0013] 1. The servo motor works, the driving gear of the output end drives the driven gear to rotate, the slide bar slides in the arc-shaped groove, thereby changing the angle of the baffle, when the pressure sensor detects the pressure of the slide bar on the sliding block, the control panel receives the signal of the pressure sensor and closes the operation of the servo motor, thereby realizing accurate control of the spraying pressure, meeting the performance of different paints and ensuring the uniformity and quality of the coating.

[0014] 2. The driving motor starts, drives the screw rod to rotate, the connecting plate moves horizontally along the screw rod under the guidance of the guide rod, the transfer cavity and the nozzle also move horizontally, thereby ensuring that the paint can be uniformly sprayed on the electric vehicle shell and avoiding local over-thickness or over-thinness, improving the overall spraying effect. BRIEF DESCRIPTION OF DRAWINGS

[0015] 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 below, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0016] Figure 1 It is a medium shaft side view structure schematic view in the utility model;

[0017] Figure 2 It is a spraying device main body structure schematic view;

[0018] Figure 3 It is a mounting bracket main body structure schematic view;

[0019] Figure 4 It is a pressure regulating assembly structure schematic view;

[0020] Figure 5Schematic diagram of the internal component structure of the box.

[0021] In the figure: 1. Box body; 2. Delivery pipe; 3. Baffle; 4. Driven gear; 5. Slide rod; 6. Fixed seat; 7. Arc groove; 8. Slide groove; 9. Slider; 10. Locking screw; 11. Pressure sensor; 12. Support column; 13. Servo motor; 14. Driving gear; 15. Mounting frame; 16. Mounting plate; 17. Guide rod; 18. Screw; 19. Drive motor; 20. Connecting plate; 21. Storage box; 22. Pump; 23. Transfer chamber; 24. Nozzle; 25. Telescopic rod; 26. L-shaped support; 27. Fixed plate; 28. Through hole; 29. ​​Movable door; 30. Handle; 31. Discharge pipe; 32. Control panel. DETAILED DESCRIPTION

[0022] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figures 1-4As shown, a kind of electric vehicle shell coating liquid spraying device, including box 1, the top of the box 1 is equipped with conveying pipe 2, the inside of one end of the conveying pipe 2 is equipped with baffle 3 by rotating shaft, the top outer wall of the rotating shaft is equipped with driven gear 4, the inside of the driven gear 4 is fixedly connected with slide rod 5, the top side of the conveying pipe 2 is equipped with fixed seat 6, the inside of the fixed seat 6 is equipped with arc slot 7, the arc slot 7 is arranged at 90 degrees, the bottom end of the slide rod 5 is slidably installed in the arc slot 7, the outside of the arc slot 7 is equipped with sliding groove 8, the inside of the sliding groove 8 and arc slot 7 is slidably equipped with sliding block 9, the inside of one side of the sliding block 9 is rotatably installed with locking screw 10, one side of the sliding block 9 is equipped with pressure sensor 11, one side of the conveying pipe 2 is equipped with support column 12, the top side of the support column 12 is equipped with servo motor 13, the output end of the servo motor 13 is equipped with driving gear 14, one side of the box 1 is equipped with control panel 32;When working, in practical application, different types of coating have different viscosity and fluidity, the thicker coating needs higher spraying pressure to be smoothly sprayed and uniformly dispersed, while the thinner coating needs lower pressure to avoid excessive spraying to cause sagging, but in prior art, it is inconvenient to adjust the spraying pressure, so that the coating cannot be uniformly attached to the surface of shell, affect the overall aesthetic effect of electric vehicle, when adjusting the spraying pressure, first, the sliding block 9 is slid in the sliding groove 8 and arc slot 7 to the appropriate position, then it is fixed by locking screw 10, then when the servo motor 13 works, the driving gear 14 on the output end of the servo motor 13 drives the driven gear 4 to rotate, so that the slide rod 5 slides in the arc slot 7, so as to change the angle of baffle 3, when the pressure sensor 11 detects the pressure of the slide rod 5 to the sliding block 9, signal will be transmitted to the control panel 32, after the control panel 32 receives the signal of the pressure sensor 11, the operation of the servo motor 13 is closed, that is, the angle of baffle 3 is accurately adjusted, the accurate control of the spraying pressure is realized, so as to meet the performance of different coatings, ensure the uniformity and quality of coating, wherein the specific model of the pressure sensor 11 is PY206.

[0024] Please refer to Figure 1 、 2The outer side of the box body 1 is provided with a mounting rack 15, the supporting column 12 is fixed on the top side of the mounting rack 15, two mounting plates 16 are symmetrically arranged on the two sides of the mounting rack 15, a guide rod 17 and a lead screw 18 are fixedly arranged and rotatably arranged between the mounting plates 16 respectively, a driving motor 19 is arranged on one side of the mounting plate 16, one end of the lead screw 18 is connected with the output end of the driving motor 19 in a matched mode, a connecting plate 20 is arranged on the outer wall of the guide rod 17 and the lead screw 18 in a matched mode, a storage box 21 is arranged on the top side of the mounting rack 15, one end of the conveying pipe 2 is connected with the storage box 21, a pump 22 is arranged on the outer wall of the conveying pipe 2, a transfer cavity 23 is arranged on the bottom side of the connecting plate 20, the other end of the conveying pipe 2 penetrates through the connecting plate 20 and is connected with the transfer cavity 23, one end of the conveying pipe 2 is a hard pipe, and the other end is a soft pipe, six nozzles 24 are equidistantly arranged on the bottom side of the transfer cavity 23, telescopic rods 25 are arranged on the two sides of the box body 1, L-shaped supporting seats 26 are arranged on the acting ends of the telescopic rods 25, a fixed plate 27 is fixedly arranged in the middle of the box body 1, a plurality of through holes 28 are equidistantly arranged in the fixed plate 27, the fixed plate 27 divides the box body 1 into a spraying cavity and a recycling cavity, a movable door 29 is hingedly arranged on one side of the spraying cavity of the box body 1, a handle 30 is arranged on one side of the movable door 29, and a discharge pipe 31 is arranged on one side of the box body 1 and located at the bottom end of the recycling box. When working, in the production process of the electric vehicle, the surface of the electric vehicle shell needs to be sprayed to improve the overall appearance of the electric vehicle. First, the movable door 29 is opened by the handle 30, the electric vehicle shell is placed between the two L-shaped supporting seats 26, the telescopic rod 25 is controlled to be elongated, the L-shaped supporting seat 26 fixes the electric vehicle shell to prevent it from shaking or moving, ensures the accuracy and consistency of spraying, the paint is stored in the storage box 21, when the spraying operation is needed, the pump 22 is started to draw the paint from the storage box 21, the paint is conveyed to the transfer cavity 23 through the conveying pipe 2, the paint is sprayed out through the nozzles 24 after reaching the transfer cavity 23, the surface of the electric vehicle shell is sprayed, at the same time, the driving motor 19 is started to drive the lead screw 18 to rotate, the connecting plate 20 moves horizontally along the lead screw 18 under the guidance of the guide rod 17, the transfer cavity 23 and the nozzles 24 also move horizontally, which ensures that the paint can be uniformly sprayed on the electric vehicle shell, avoids the local over-thickness or over-thin situation, improves the overall spraying effect, the excess paint or splashes in the spraying process fall into the recycling cavity below the box body 1 through the through holes 28 in the fixed plate 27, finally, the recycled paint can be collected or treated through the discharge pipe 31, which reduces the waste of paint and reduces the pollution to the environment.

[0025] Working principle: when adjusting the spraying pressure, first of all, the sliding block 9 is slid in the sliding groove 8 and the arc-shaped groove 7 to the appropriate position, then it is fixed by the locking screw 10, then when the servo motor 13 works, the driving gear 14 at the output end drives the driven gear 4 to rotate, so that the sliding rod 5 slides in the arc-shaped groove 7, thereby changing the angle of the baffle 3, when the pressure sensor 11 detects the pressure of the sliding rod 5 on the sliding block 9, the signal will be transmitted to the control panel 32, and the control panel 32 will close the operation of the servo motor 13 after receiving the signal of the pressure sensor 11, that is, the angle of the baffle 3 is accurately adjusted, the accurate control of the spraying pressure is realized, so as to meet the performance of different coatings and ensure the uniformity and quality of the coating.

[0026] First of all, the movable door 29 is opened by the handle 30, the electric vehicle shell is placed between the two L-shaped supports 26, the telescopic rod 25 is controlled to be elongated, and the L-shaped supports 26 fix the electric vehicle shell to prevent it from shaking or moving, so as to ensure the accuracy and consistency of spraying. The coating is stored in the storage tank 21, when spraying is needed, the pump 22 is started to pump the coating out of the storage tank 21, through the conveying pipe 2 to the transfer cavity 23, and then sprayed out through the nozzle 24, so as to spray the surface of the electric vehicle shell. At the same time, the driving motor 19 is started to drive the screw rod 18 to rotate, so that the connecting plate 20 moves horizontally along the screw rod 18 under the guidance of the guide rod 17, and the transfer cavity 23 and the nozzle 24 also move horizontally, so as to ensure that the coating can be uniformly sprayed on the electric vehicle shell, avoiding the situation that some parts are too thick or too thin, improving the overall spraying effect. During the spraying process, the excess coating or splashes will fall into the recycling cavity at the lower part of the box body 1 through the through hole 28 on the fixed plate 27, and finally the recycled coating can be collected or treated through the discharge pipe 31, reducing the waste of coating and the pollution to the environment.

[0027] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0028] The basic principles, main features and advantages of the present application have been shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. An apparatus for spraying an electric vehicle enclosure coating liquid, characterized by: Including the box (1), the top of the box (1) is equipped with a conveying pipe (2), one end of the conveying pipe (2) is internally mounted with a baffle (3) through a rotating shaft, the top end of the rotating shaft is externally mounted with a driven gear (4), the inside of the driven gear (4) is fixedly connected with a sliding rod (5), the top side of the conveying pipe (2) is mounted with a fixed seat (6), the inside of the fixed seat (6) is provided with an arc-shaped groove (7), the arc-shaped groove (7) is arranged at 90 degrees, the bottom end of the sliding rod (5) is slidingly installed in the inside of the arc-shaped groove (7), the outside of the arc-shaped groove (7) is provided with a sliding groove (8), the inside of the sliding groove (8) and the arc-shaped groove (7) is jointly slidingly installed with a sliding block (9), one side of the sliding block (9) is rotatably installed with a locking screw (10), one side of the sliding block (9) is equipped with a pressure sensor (11), the pressure sensor (11) is used for detecting the pressure of the sliding rod (5) on the sliding block (9), one side of the conveying pipe (2) is mounted with a supporting column (12), the top side of the supporting column (12) is mounted with a servo motor (13), the output end of the servo motor (13) is mounted with a driving gear (14), and the driving gear (14) and the driven gear (4) are mutually engaged.

2. The liquid coating spraying device for an electric vehicle shell according to claim 1, characterized in that: The outside of the box (1) is mounted with a mounting bracket (15), the supporting column (12) is fixed on the top side of the mounting bracket (15), two mounting plates (16) are symmetrically mounted on the both sides of the mounting bracket (15), a guide rod (17) and a screw rod (18) are respectively fixedly installed and rotatably installed between the mounting plates (16), a driving motor (19) is mounted on one side of the mounting plate (16), one end of the screw rod (18) is connected with the output end of the driving motor (19), the outer walls of the guide rod (17) and the screw rod (18) are fitted with a connecting plate (20).

3. The liquid coating spray device for an electric vehicle housing of claim 2, wherein: The top side of the mounting bracket (15) is mounted with a storage box (21), one end of the conveying pipe (2) is connected with the storage box (21), the outer wall of the conveying pipe (2) is provided with a pump (22), the bottom side of the connecting plate (20) is mounted with a transfer cavity (23), the other end of the conveying pipe (2) penetrates through the connecting plate (20) and is connected with the transfer cavity (23), and one end of the conveying pipe (2) is a hard pipe and the other end is a soft pipe, six nozzles (24) are equidistantly mounted on the bottom side of the transfer cavity (23).

4. The liquid coating spray device for an electric vehicle housing of claim 3, wherein: The both sides of the box (1) are mounted with telescopic rods (25), the acting ends of the telescopic rods (25) are mounted with L-shaped support seats (26).

5. The liquid coating spray device for an electric vehicle housing of claim 4, wherein: The middle end of the box (1) is fixedly connected with a fixed plate (27), a plurality of through holes (28) are equidistantly formed in the inside of the fixed plate (27), the fixed plate (27) divides the box (1) into a spraying cavity and a recovery cavity, a movable door (29) is hingedly connected to one side of the spraying cavity of the box (1), a handle (30) is mounted on one side of the movable door (29), and a discharge pipe (31) is connected to the bottom end of the recovery tank on one side of the box (1).

6. The liquid coating spray device for an electric vehicle housing of claim 5, wherein: One side of the box (1) is provided with a control panel (32), the control panel (32) is electrically connected between the pressure sensor (11) and the servo motor (13), wherein the signal transmission of the pressure sensor (11) and the operation control of the servo motor (13) are realized.

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