Metal plate paint spraying device capable of recognizing paint spraying position and adjusting ventilation direction

Abstract

The invention discloses a metal plate paint spraying device capable of recognizing the paint spraying position and adjusting the ventilation direction, and belongs to the technical field of paint spraying. The metal plate paint spraying device capable of recognizing the paint spraying position and adjusting the ventilation direction comprises a dustproof paint spraying cabin, an air inlet floating unit is arranged on one side of the dustproof paint spraying cabin, a ventilation circulating unit is arranged on the other side of the dustproof paint spraying cabin, and a paint vacuum storage tank is arranged above the dustproof paint spraying cabin. In order to solve the problems that in the paint spraying process, paint is in contact with a sheet metal part after being pressurized and sprayed out, a small part of the paint rebounds after being in contact with a workpiece, once the part of the paint falls on the surface of the workpiece again, the surface is granular, and the smoothness of the paint surface is affected. The air inlets correspond to the paint spraying mechanical arms in the dustproof paint spraying cabin, when a workpiece moves to the position between the paint spraying mechanical arms, the paint spraying mechanical arms can be started to work, air in the dustproof paint spraying cabin is pumped away through the airflow draught fan, and paint can be effectively prevented from falling on the surface of the workpiece again.

Description

Technical Field

[0001] The invention relates to the technical field of sheet metal spray painting, in particular to a sheet metal spray painting device capable of identifying a spray painting position and adjusting a ventilation direction. Background Art

[0002] Sheet metal spray painting is a kind of automobile repair technology, which is to repair the deformed part of the car's metal shell. For example, if the car body shell is hit by a dent, it can be restored to its original state through sheet metal, and then by spraying special paint, the deformed car metal surface can be restored to the same as other intact parts, bright as new.

[0003] A Chinese patent with announcement number CN221086040U discloses a sheet metal painting device for sheet metal processing. After the workpiece is clamped and painted by a clamping plate, the second electric push rod is started to push the flip plates closer to each other to clamp the workpiece, and then the third electric push rod is started to clamp and fix the object, and then the first motor is started to drive the flip plate to rotate, and then drive the workpiece to flip, so that other parts of the workpiece are painted, thereby achieving comprehensive painting of the workpiece.

[0004] In the above patent, during the painting process, the paint will come into contact with the sheet metal after being sprayed under pressure. At this time, most of the paint will adhere to the surface of the workpiece, but a small amount of paint will rebound after contacting the workpiece. Once this part of the paint falls back on the surface of the workpiece, it will cause the surface to become granular, affecting the smoothness of the paint surface. Summary of the invention

[0005] The purpose of the present invention is to provide a sheet metal painting device that can identify the painting position and adjust the ventilation direction. The air inlet corresponds to the painting robot arm inside the dustproof painting cabin. When the workpiece moves between the painting robot arms, the painting robot arm will start working, and the air inside the dustproof painting cabin will be extracted by the air flow fan, and finally the paint containing paint will be quickly discharged through the gas duct, which can effectively prevent the paint from falling back on the surface of the workpiece, and can solve the problems in the prior art.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a sheet metal painting device that identifies the painting position and adjusts the ventilation direction, comprising a dustproof painting cabin, one side of the dustproof painting cabin is provided with an air inlet lifting unit, the other side of the dustproof painting cabin is provided with a ventilation circulation unit, a paint vacuum storage tank is provided above the dustproof painting cabin, a plurality of painting robotic arms are provided on both sides of the interior of the dustproof painting cabin, cabin doors are provided at both ends of the dustproof painting cabin, an outer cabin plate is provided between the cabin doors, grilles are provided at the upper and lower ends of the interior of the dustproof painting cabin, an inner cabin plate is provided on the inner side of the outer cabin plate, a cabin frame is provided around the grille, and the cabin frame is located between the outer cabin plate and the inner cabin plate.

[0007] Preferably, a pumping pipe is provided on one side of the bottom of the paint vacuum storage tank, and a pipeline base is provided on the other end of the pumping pipe. The pipeline base is installed below the paint spraying robot arm, and the pumping pipe extends to the inside of the pipeline base.

[0008] Preferably, the paint spraying robot arm includes a driving shaft seat, a main shaft arm and an auxiliary rocker arm, the auxiliary rocker arm is rotatably connected to the main shaft arm, a motor shaft disk is arranged between the driving shaft seat and the main shaft arm, the motor shaft disk is rotatably connected to the driving shaft seat and the main shaft arm respectively, and the driving shaft seat is connected to the pipeline base by bolts.

[0009] Preferably, a plurality of air pump assemblies are provided at one end of the auxiliary rocker arm, and the air pump assembly is connected to the pumping pipe through a flange. An annular nozzle is provided at the other end of the auxiliary rocker arm, and a rotating support shaft is provided for the annular nozzle and the auxiliary rocker arm, and the annular nozzle is rotatably connected to the auxiliary rocker arm through the rotating support shaft.

[0010] Preferably, the air inlet lift unit includes a filter tank body, a beam air duct is provided on one side of the bottom of the filter tank body, a transfer air scoop is provided at one end of the beam air duct, the transfer air scoop is welded to the beam air duct, a lift window is provided on the outside of the beam air duct, and the lift window is installed at the bottom of the dustproof paint cabin.

[0011] Preferably, a discharge bottom valve is provided at the bottom of the filter tank body, a filter air duct is provided at the top of the filter tank body, the filter air duct is connected to the filter tank body through a flange, a multi-layer filter element is provided inside the filter tank body, a vortex fan is provided above the filter air duct, and an air supply duct is provided on one side of the vortex fan.

[0012] Preferably, the ventilation circulation unit includes an air flow fan, a narrow air scoop is arranged above the air flow fan, the narrow air scoop is connected to the air flow fan through a flange, the air flow fan is connected to the dustproof paint booth through a bracket, a top frame pipe is arranged on one side above the narrow air scoop, the top frame pipe is connected to the narrow air scoop through a flange, and the top frame pipe is installed on the top of the dustproof paint booth.

[0013] Preferably, a plurality of air inlets are provided at the bottom of the top rack tube, the air inlets extend to the interior of the dustproof paint booth, a gas duct is provided on one side of the airflow fan, the gas duct is connected to the airflow fan through a flange, an anti-backflow fan is provided on one side of the bottom of the gas duct, and the anti-backflow fan extends between the gas duct and the airflow fan.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. In the present invention, the air inlet corresponds to the paint spraying mechanical arm inside the dustproof paint spraying cabin. When the workpiece moves between the paint spraying mechanical arms, the paint spraying mechanical arm will start working and spray the workpiece. At the same time, the corresponding air inlet above is opened, and the air inside the dustproof paint spraying cabin is extracted by the air flow fan, and the air containing paint is extracted into the top rack pipe. Finally, the paint containing paint is quickly discharged through the gas duct, which can effectively prevent the paint from falling on the surface of the workpiece again;

[0016] 2. In the present invention, the air inlet lift unit uses a vortex fan to pump external air into the dustproof paint spray cabin. When entering the dustproof paint spray cabin, the air will first pass through the filter tank body, and the moisture and suspended particles in the air will be filtered through the filter element structure inside the tank body. The filtered gas is transported to the lift window through the beam air duct. The lift window is located at the bottom of the dustproof paint spray cabin. The blown air flow can blow the paint generated during spraying in the cabin upward, and cooperate with the ventilation circulation unit to discharge the paint from the dustproof paint spray cabin, thereby improving the suction efficiency of the ventilation circulation unit and preventing the paint particles from sinking due to insufficient suction of the ventilation circulation unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the overall front view of the present invention;

[0018] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the present invention;

[0019] Figure 3 It is a schematic diagram of the cabin frame structure of the present invention;

[0020] Figure 4 This is a schematic diagram of the structure of the paint spraying robot arm of the present invention;

[0021] Figure 5 It is a schematic diagram of the structure of the air inlet buoyancy unit of the present invention;

[0022] Figure 6 It is a schematic diagram of the structure of the ventilation circulation unit of the present invention.

[0023] In the figure: 1. dust-proof spray paint cabin; 2. air inlet lifting unit; 3. ventilation circulation unit; 4. paint vacuum storage tank; 5. spray paint robot arm; 101. cabin door; 102. outer cabin plate; 103. inner cabin plate; 104. grid plate; 105. cabin frame; 201. discharge bottom valve; 202. beam air duct; 203. filter air duct; 204. vortex fan; 205. air supply duct; 206. filter tank; 2021. adapter Wind scoop; 2022, floating window; 301, gas air duct; 302, air flow fan; 303, anti-backflow fan; 304, narrow wind scoop; 305, overhead frame pipe; 306, air inlet; 401, pumping pipe; 402, pipeline base; 501, drive shaft seat; 502, motor shaft disc; 503, main shaft arm; 504, auxiliary rocker arm; 505, air pump assembly; 506, rotating support shaft; 5061, annular nozzle. DETAILED DESCRIPTION

[0024] The following will be combined with the 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0025] In order to solve the problem that during the painting process, the paint will come into contact with the sheet metal after being sprayed under pressure. At this time, most of the paint will adhere to the surface of the workpiece, but a small part of the paint will rebound after contacting the workpiece. Once this part of the paint falls back on the surface of the workpiece, it will cause the surface to appear granular, affecting the smoothness of the paint surface; please refer to Figure 1-6 , this embodiment provides the following technical solutions:

[0026] A sheet metal painting device for identifying a painting position and adjusting a ventilation direction comprises a dustproof painting cabin 1, an air inlet lifting unit 2 is arranged on one side of the dustproof painting cabin 1, a ventilation circulation unit 3 is arranged on the other side of the dustproof painting cabin 1, a paint vacuum storage tank 4 is arranged above the dustproof painting cabin 1, a plurality of painting mechanical arms 5 are arranged on both sides of the interior of the dustproof painting cabin 1, cabin doors 101 are arranged at both ends of the dustproof painting cabin 1, an outer cabin plate 102 is arranged between the cabin doors 101, grid plates 104 are arranged at both upper and lower ends of the interior of the dustproof painting cabin 1, an inner cabin plate 103 is arranged on the inner side of the outer cabin plate 102, a cabin frame 105 is arranged around the grid plate 104, the cabin frame 105 is located between the outer cabin plate 102 and the inner cabin plate 103, and the grid plate 104 is designed for airflow and the permeability of paint;

[0027] In this embodiment, the workpiece to be sprayed is moved into the dustproof spray paint cabin 1, and the spray paint robot arms 5 on both sides of the dustproof spray paint cabin 1 perform the spraying process. During the process, the air circulation unit 3 cooperates with the air inlet lifting unit 2 to extract the air flow in the cabin, thereby maintaining the entire spraying environment;

[0028] A pumping pipe 401 is arranged on one side of the bottom of the paint vacuum storage tank 4, and a pipeline base 402 is arranged on the other end of the pumping pipe 401. The pipeline base 402 is installed below the paint spraying robot arm 5, and the pumping pipe 401 extends to the inside of the pipeline base 402. The paint spraying robot arm 5 includes a driving shaft seat 501, a main shaft arm 503 and an auxiliary rocker arm 504. The auxiliary rocker arm 504 is rotatably connected to the main shaft arm 503. A motor shaft disc 502 is arranged between the driving shaft seat 501 and the main shaft arm 503. The motor shaft disc 502 is rotatably connected to the driving shaft seat 501 and the main shaft arm 503 respectively. The wire base 402 is connected by bolts, a plurality of air pump assemblies 505 are arranged at one end of the auxiliary rocker arm 504, the air pump assembly 505 is connected to the pumping pipe 401 by a flange, an annular nozzle 5061 is arranged at the other end of the auxiliary rocker arm 504, the annular nozzle 5061 and the auxiliary rocker arm 504 are provided with a rotating support shaft 506, the annular nozzle 5061 is rotatably connected to the auxiliary rocker arm 504 by the rotating support shaft 506, the rotating support shaft 506 can realize the rotation operation of the annular nozzle 5061, so that the spraying can be more uniform, avoiding the situation that the paint surface appears different in thickness due to the pressure difference between the nozzles;

[0029] In this embodiment, the paint is poured into the paint vacuum storage tank 4, and each group of paint spraying robot arms 5 is connected to the paint vacuum storage tank 4 through a hose. When the paint spraying operation is performed, the air pump assembly 505 pumps the paint into the annular nozzle 5061. The surface of the annular nozzle 5061 is provided with a plurality of nozzle structures. The paint is mixed with the airflow and then sprayed out from the nozzle. The air pressure can be adjusted by controlling the number of air pump assemblies 505 opened.

[0030] The air inlet buoyancy unit 2 includes a filter tank body 206, a beam air duct 202 is arranged on one side of the bottom of the filter tank body 206, a transfer air bucket 2021 is arranged at one end of the beam air duct 202, the transfer air bucket 2021 is welded to the beam air duct 202, a buoyancy window 2022 is arranged on the outer side of the beam air duct 202, and the buoyancy window 2022 is installed at the bottom of the dustproof paint spraying cabin 1, a discharge bottom valve 201 is arranged at the bottom of the filter tank body 206, a filter air duct 203 is arranged on the top of the filter tank body 206, the filter air duct 203 is connected to the filter tank body 206 through a flange, a multi-layer filter element is arranged inside the filter tank body 206, a vortex fan 204 is arranged above the filter air duct 203, and an air supply duct 205 is arranged on one side of the vortex fan 204;

[0031] In this embodiment, the air inlet lift unit 2 pumps external air into the dustproof paint spraying cabin 1 through the vortex fan 204. When the air enters the dustproof paint spraying cabin 1, it will first pass through the filter tank 206, and the moisture and suspended particles in the air will be filtered through the filter element structure inside the tank. The filtered gas is transported to the lift window 2022 through the beam air duct 202. The lift window 2022 is located at the bottom of the dustproof paint spraying cabin 1. The blown airflow can blow the paint generated during spraying in the cabin upward to cooperate with the ventilation circulation unit 3 to discharge the paint from the dustproof paint spraying cabin 1, thereby improving the suction efficiency of the ventilation circulation unit 3 and preventing the paint particles from sinking due to insufficient suction of the ventilation circulation unit 3.

[0032] The ventilation circulation unit 3 includes an airflow fan 302, a narrow air scoop 304 is arranged above the airflow fan 302, the narrow air scoop 304 is connected to the airflow fan 302 through a flange, the airflow fan 302 is connected to the dust-proof paint spraying cabin 1 through a bracket, a top frame pipe 305 is arranged on one side above the narrow air scoop 304, the top frame pipe 305 is connected to the narrow air scoop 304 through a flange, the top frame pipe 305 is installed on the top of the dust-proof paint spraying cabin 1, a plurality of air inlets 306 are arranged at the bottom of the top frame pipe 305, the air inlets 306 extend to the interior of the dust-proof paint spraying cabin 1, and one side of the airflow fan 302 A gas duct 301 is provided, and the gas duct 301 is connected to the air flow fan 302 through a flange. An anti-backflow fan 303 is provided on one side of the bottom of the gas duct 301, and the anti-backflow fan 303 extends between the gas duct 301 and the air flow fan 302. When the anti-backflow fan 303 is working, a negative pressure air cavity can be generated at the interface of the gas duct 301, so that the gas inside the narrow-mouthed wind scoop 304 and the air flow fan 302 will be sucked into the gas duct 301, so as to prevent the air with paint from being retained in the narrow-mouthed wind scoop 304 and the air flow fan 302 for too long, thereby causing backflow;

[0033] In this embodiment, the air inlet 306 corresponds to the paint robot arm 5 inside the dustproof paint spraying cabin 1. When the workpiece moves between the paint spraying robot arm 5, the paint spraying robot arm 5 will start working and spray the workpiece. At the same time, the corresponding air inlet 306 above is opened, and the air inside the dustproof paint spraying cabin 1 is extracted with the help of the air flow fan 302, and the air containing paint is drawn into the top rack pipe 305. Finally, the paint containing paint is quickly discharged through the gas duct 301, which can effectively prevent the paint from falling back on the surface of the workpiece.

[0034] Working principle: paint is poured into the paint vacuum storage tank 4, and each group of paint spraying robot arms 5 is connected to the paint vacuum storage tank 4 through a hose. When the paint spraying operation is performed, the air pump component 505 pumps the paint into the annular nozzle 5061. The surface of the annular nozzle 5061 is provided with a plurality of nozzle structures. The paint is mixed with the airflow and sprayed out from the nozzle. The air pressure can be adjusted by controlling the number of air pump components 505 opened. The air inlet 306 corresponds to the paint spraying robot arm 5 inside the dustproof paint spraying cabin 1. When the workpiece moves between the paint spraying robot arms 5, the paint spraying robot arm 5 will start working and spray the workpiece. At the same time, the corresponding air inlet 306 above is opened, and the air inside the dustproof paint spraying cabin 1 is extracted with the help of the airflow fan 302, and the air containing the paint is sucked into the top rack pipe 305, and finally The paint containing paint is quickly discharged through the gas duct 301, which can effectively prevent the paint from falling back on the surface of the workpiece. The air inlet lift unit 2 draws external air into the dust-proof paint spray cabin 1 through the vortex fan 204. When entering the dust-proof paint spray cabin 1, the air will first pass through the filter tank 206, and the moisture and suspended particles in the air will be filtered through the filter element structure inside the tank. The filtered gas is then transported to the lift window 2022 through the beam duct 202. The lift window 2022 is located at the bottom of the dust-proof paint spray cabin 1. The blown airflow can blow the paint generated during spraying in the cabin upward, and cooperate with the ventilation circulation unit 3 to discharge the paint from the dust-proof paint spray cabin 1, thereby improving the suction efficiency of the ventilation circulation unit 3 and preventing the paint particles from sinking due to insufficient suction of the ventilation circulation unit 3.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] While the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims

1. Identify the painting position and adjust the ventilation direction of the sheet metal painting device, including a dust-proof painting cabin (1), It is characterized in that An air inlet lifting unit (2) is arranged on one side of the dustproof paint spraying cabin (1), a ventilation circulation unit (3) is arranged on the other side of the dustproof paint spraying cabin (1), a paint vacuum storage tank (4) is arranged above the dustproof paint spraying cabin (1), a plurality of paint spraying mechanical arms (5) are arranged on both sides of the interior of the dustproof paint spraying cabin (1), cabin doors (101) are arranged at both ends of the dustproof paint spraying cabin (1), an outer cabin plate (102) is arranged between the cabin doors (101), a grid plate (104) is arranged at both upper and lower ends of the interior of the dustproof paint spraying cabin (1), an inner cabin plate (103) is arranged on the inner side of the outer cabin plate (102), a cabin frame (105) is arranged around the grid plate (104), and the cabin frame (105) is located between the outer cabin plate (102) and the inner cabin plate (103).

2. The sheet metal painting device for identifying the painting position and adjusting the ventilation direction according to claim 1, Features: A pumping pipe (401) is provided on one side of the bottom of the paint vacuum storage tank (4), and a pipeline base (402) is provided at the other end of the pumping pipe (401). The pipeline base (402) is installed below the paint spraying robot arm (5), and the pumping pipe (401) extends to the inside of the pipeline base (402).

3. The sheet metal painting device for identifying the painting position and adjusting the ventilation direction according to claim 2, Features: The paint spraying robot arm (5) comprises a driving shaft seat (501), a main shaft arm (503) and an auxiliary rocker arm (504), wherein the auxiliary rocker arm (504) is rotatably connected to the main shaft arm (503), a motor shaft disc (502) is arranged between the driving shaft seat (501) and the main shaft arm (503), and the motor shaft disc (502) is rotatably connected to the driving shaft seat (501) and the main shaft arm (503), respectively, and the driving shaft seat (501) is connected to the pipeline base (402) by bolts.

4. The sheet metal painting device for identifying the painting position and adjusting the ventilation direction according to claim 3, Features: One end of the auxiliary rocker arm (504) is provided with a plurality of air pump assemblies (505), and the air pump assemblies (505) are connected to the pumping pipe (401) via a flange. The other end of the auxiliary rocker arm (504) is provided with an annular nozzle (5061), and the annular nozzle (5061) and the auxiliary rocker arm (504) are provided with a rotating support shaft (506), and the annular nozzle (5061) is rotatably connected to the auxiliary rocker arm (504) via the rotating support shaft (506).

5. The sheet metal painting device for identifying the painting position and adjusting the ventilation direction according to claim 1, Features: The air inlet buoyancy unit (2) comprises a filter tank body (206), a beam air duct (202) is arranged on one side of the bottom of the filter tank body (206), a transfer air scoop (2021) is arranged at one end of the beam air duct (202), the transfer air scoop (2021) is welded to the beam air duct (202), a buoyancy window (2022) is arranged on the outer side of the beam air duct (202), and the buoyancy window (2022) is installed at the bottom of the dustproof paint spraying cabin (1).

6. The sheet metal painting device for identifying the painting position and adjusting the ventilation direction according to claim 5, Features: A discharge bottom valve (201) is arranged at the bottom of the filter tank body (206), a filter air duct (203) is arranged at the top of the filter tank body (206), the filter air duct (203) is connected to the filter tank body (206) via a flange, a multi-layer filter element is arranged inside the filter tank body (206), a vortex fan (204) is arranged above the filter air duct (203), and an air supply duct (205) is arranged on one side of the vortex fan (204).

7. The sheet metal painting device for identifying the painting position and adjusting the ventilation direction according to claim 1, Features: The ventilation circulation unit (3) comprises an airflow fan (302), a narrow-mouthed wind scoop (304) is arranged above the airflow fan (302), the narrow-mouthed wind scoop (304) is connected to the airflow fan (302) via a flange, the airflow fan (302) is connected to the dustproof spray paint cabin (1) via a bracket, a top frame pipe (305) is arranged on one side above the narrow-mouthed wind scoop (304), the top frame pipe (305) is connected to the narrow-mouthed wind scoop (304) via a flange, and the top frame pipe (305) is installed on the top of the dustproof spray paint cabin (1).

8. The sheet metal painting device for identifying the painting position and adjusting the ventilation direction according to claim 7, Features: A plurality of air inlets (306) are arranged at the bottom of the top rack tube (305), and the air inlets (306) extend to the interior of the dustproof paint spraying cabin (1); a gas duct (301) is arranged on one side of the airflow fan (302), and the gas duct (301) and the airflow fan (302) are connected via a flange; an anti-backflow fan (303) is arranged on one side of the bottom of the gas duct (301), and the anti-backflow fan (303) extends between the gas duct (301) and the airflow fan (302).

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