CN211330018U - Intelligent environmental protection production line that sprays paint - Google Patents

Abstract

The utility model discloses an intelligent environment-friendly paint spraying production line, which comprises a cleaning device, a paint spraying device, a detection device, a dehumidifying device, a microwave drying device and a dehumidifying device which are distributed along the production line in sequence; the cleaning device, the paint spraying device, the detection device, the dehumidifying device, the microwave drying device and the dehumidifying device are all provided with conveying devices and are connected in sequence by the conveying devices; the control system comprises a main control unit, a cleaning device control unit, a paint spraying device control unit, a dehumidifying device control unit, a microwave drying device control unit and a conveying device control unit, wherein the main control unit is used for controlling the cleaning device control unit, the paint spraying device control unit, the dehumidifying device control unit, the microwave drying device control unit and the conveying device control unit. The utility model discloses an intelligent environmental protection production line that sprays paint, its control system control work piece clean, spray paint, detect, take out wet, dry and take out a series of processes of wetting.

Description

Intelligent environmental protection production line that sprays paint

Technical Field

The utility model relates to a work piece processing technology field especially relates to an intelligent environmental protection production line that sprays paint.

Background

At present, when a workpiece is produced, in order to form a protective layer or a decorative layer on the surface of the workpiece, paint spraying operation is generally required to be performed on the surface of the workpiece, the workpiece is conveyed to a paint spraying station to be sprayed by a traditional paint spraying production line through a conveyor, and then the workpiece after being sprayed is output by a conveying mechanism and dried. However, in the traditional paint spraying production line, the paint spraying quality is poor, and the automation degree is low, so that the paint spraying efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide an intelligent environmental protection paint spraying production line, its control system control work piece cleans, sprays paint, detects, takes out wet, dry and take out a series of processes that wets.

The purpose of the utility model is realized by adopting the following technical scheme:

an intelligent environment-friendly paint spraying production line comprises a control system, and a cleaning device, a paint spraying device, a detection device, a dehumidifying device, a microwave drying device and a dehumidifying device which are sequentially distributed along the production line; the cleaning device, the paint spraying device, the detection device, the dehumidifying device, the microwave drying device and the dehumidifying device are all provided with conveying devices and are connected in sequence by the conveying devices; the cleaning device is used for cleaning the surface of the workpiece; the paint spraying device is used for spraying paint on the workpiece; the detection device is used for detecting the paint spraying condition of the workpiece; the dehumidifying device is used for removing moisture on the surface of the workpiece; the microwave drying device is used for performing microwave drying on the surface of the workpiece;

the control system comprises a main control unit, a cleaning device control unit, a paint spraying device control unit, a dehumidifying device control unit, a microwave drying device control unit and a conveying device control unit, wherein the main control unit is used for controlling the cleaning device control unit, the paint spraying device control unit, the dehumidifying device control unit, the microwave drying device control unit and the conveying device control unit; the cleaning device control unit, the paint spraying device control unit, the dehumidifying device control unit, the microwave drying device control unit and the conveying device control unit are respectively used for controlling automatic operation of the cleaning device, the paint spraying device, the detecting device, the dehumidifying device, the microwave drying device and the conveying device.

Further, the cleaning device comprises a cleaning chamber, a plurality of cleaning mechanisms and the conveying device, wherein the cleaning mechanisms are arranged at the top end of the cleaning chamber and are used for cleaning the workpieces on the conveying device; the plurality of cleaning mechanisms are distributed at intervals in the conveying direction of the conveying device;

the cleaning mechanism comprises a cleaning roller, an anti-static rod and an air blowing port, and the cleaning roller is pivoted on the cleaning chamber and is used for being in frictional contact with the surface of the workpiece; the anti-static rod is arranged on one side of the cleaning roller and is used for removing static electricity on the surface of the workpiece; the air blowing port faces the conveying end face of the conveying device;

the cleaning device control unit is used for controlling the cleaning mechanism to move up and down; and is used for controlling the blowing time of the air outlet.

Furthermore, the paint spraying device comprises a paint spraying chamber, a paint spraying mechanism and the conveying device, the paint spraying mechanism comprises a paint spraying gun, a detection camera and a paint spraying gun driving assembly, and the paint spraying gun is arranged in the paint spraying chamber and is positioned above the conveying end face of the conveying device; the paint spraying gun driving assembly is used for driving the paint spraying gun to move along a paint spraying direction, and the paint spraying direction is perpendicular to the conveying direction of the workpiece conveying direction; the paint spray gun driving assembly is also used for driving the paint spray gun to move along the height direction of the paint spray booth; the detection camera is used for detecting the workpiece and sending a detection signal;

and the paint spraying device control unit is used for controlling the work of the paint spraying gun assembly according to the detection signal.

Furthermore, the paint spraying device also comprises a paint spraying barrel, an oil pump and a connecting pipe, wherein the paint spraying gun is communicated with the paint spraying barrel through the connecting pipe; the oil pump is used for pumping the paint liquid in the paint spraying barrel into the paint spraying gun; the paint spraying device control unit is used for controlling the start and stop of the oil pump.

Furthermore, the detection device comprises a detection chamber and the conveying device, and a top cover of the detection chamber is made of transparent materials; the top of detecting the room is equipped with a plurality of detection cameras.

Further, the dehumidifying device comprises a first dehumidifying tunnel, and the first dehumidifying tunnel comprises a first drying chamber, a first air chamber and a heat exchange chamber; the top end of the first drying chamber is provided with a first air outlet and a first air inlet, the first air chamber and the heat exchange chamber are both arranged at the top end of the first drying chamber, one end of the first air chamber is communicated with the first air outlet, and the other end of the first air chamber is communicated with one end of the heat exchange chamber; the other end of the heat exchange chamber is communicated with the first air inlet; a first fan is arranged in the first air chamber; a heat exchanger is arranged in the heat exchange chamber; the top end of the first drying chamber is provided with an air plate, and an air cavity is formed between the air plate and the top wall of the first drying chamber at intervals; the first air outlet and the first air inlet are communicated with the top end of the air cavity; a plurality of air outlet holes are formed in the air plate;

and the dehumidifying device control unit is used for controlling the air supply quantity of the first fan.

Further, the microwave drying device comprises a second drying chamber, a conveying device and a thermal circulation mechanism, wherein a microwave generating mechanism is arranged at the top end of the second drying chamber and used for generating microwaves to heat the second drying chamber; the top end of the second drying chamber is provided with a second air inlet; the heat circulation mechanism comprises a second air inlet chamber, a second fan and a water pipe, wherein the second air inlet chamber is arranged at the top end of the second drying chamber; the fan is arranged in the second air inlet chamber, and an inlet of the second fan is communicated with the outside of the second air inlet chamber; the outlet of the second fan is communicated with the second air inlet; the water pipe is fixedly connected to the top end of the second drying chamber and used for introducing water for cooling the microwave generating mechanism; the water in the water pipe is used for absorbing heat after cooling the microwave generating mechanism and heating the air in the second air inlet;

the microwave drying device control unit is used for controlling the air supply quantity of the second fan.

Further, the microwave generating mechanism comprises a microwave generator and a microwave guide pipe, and the microwave generator and the microwave guide pipe are fixedly connected to the top end of the second drying chamber; the microwave generator is arranged at the end part of the microwave catheter; the extending direction of the microwave guide pipe is vertical to the conveying direction of the workpiece; the microwave guide pipe is used for conducting the microwaves generated by the microwave generator; the bottom end of the microwave catheter is provided with a plurality of cracks;

the microwave drying device control unit is also used for controlling the work of the microwave generator.

Further, a second air outlet and an air exhaust device are arranged at the top end of the second drying chamber, and the air exhaust device is communicated with the second air outlet; the microwave drying device control unit is also used for controlling the starting and stopping of the air draft device.

Further, the conveyor control system is used for controlling the conveying speed of the conveyor.

Compared with the prior art, the beneficial effects of the utility model reside in that: the workpieces can be sequentially conveyed to a cleaning device, a paint spraying device, a detection device, a dehumidifying device, a microwave drying device and a dehumidifying device through a conveying device; cleaning, painting, detecting, dehumidifying, drying and dehumidifying a workpiece, namely cleaning the surface of the workpiece, painting, detecting the surface of the workpiece after painting is finished, dehumidifying and primarily drying, then drying by microwave at a microwave drying device, and finally drying and dehumidifying by further air at the dehumidifying device to improve the painting quality;

in addition, the main control unit of the control system can respectively control the cleaning device control unit, the paint spraying device control unit, the dehumidifying device control unit, the microwave drying device control unit and the conveying device control unit, and correspondingly control the automatic operation of the cleaning device, the paint spraying device, the detection device, the dehumidifying device, the microwave drying device and the conveying device, so that the cleaning, the paint spraying, the detection, the dehumidifying, the drying and the dehumidifying can be automatically completed, and the automation degree is improved.

Drawings

FIG. 1 is an intelligent environmental protection paint spraying production line of the utility model;

FIG. 2 is a schematic structural view of the sweeping device of the present invention;

FIG. 3 is a schematic structural view of the paint spraying apparatus of the present invention;

fig. 4 is a schematic structural view of a first scraping assembly of the present invention;

fig. 5 is a schematic structural view of a second scraping assembly of the present invention;

fig. 6 is a schematic structural view of the dehumidifying device of the present invention;

fig. 7 is a schematic structural view of the microwave drying device of the present invention;

fig. 8 is a schematic structural view of the curing device of the present invention;

fig. 9 is a schematic structural diagram of the control system of the present invention.

In the figure: 10. a paint spraying device; 11. a paint spray booth; 12. a paint spraying mechanism; 13. a first scraping assembly; 131. a first mounting bracket; 132. a first cleaning roller; 133. a first scraper; 134. a first material collecting groove; 14. a second scraping assembly; 141. a second mounting bracket; 142. a second cleaning roller; 143. a second scraper; 144. a second material collecting groove; 20. a cleaning device; 21. cleaning a room; 22. A blowpipe; 30. a detection device; 40. a dehumidifying device; 41. a first drying chamber; 411. a first air outlet; 412. a first air inlet; 413. a wind plate; 4131. an air outlet; 42. a first air chamber; 43. a first fan; 44. a heat exchange chamber; 45. a heat exchanger; 50. a microwave drying device; 51. a second drying chamber; 511. a second air inlet; 512. a water carrying tube; 513. unloading the tube by microwave; 514. a second air outlet; 52. a microwave generating mechanism; 53. a second air chamber; 531. A second fan; 532. a water pipe; 54. an air draft device; 60. a curing device; 61. a curing chamber; 62. a curing light; 70. a conveying device.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1-9, an intelligent environment-friendly paint spraying production line includes a control system, a cleaning device 20, a paint spraying device 10, a detecting device 30, a dehumidifying device 40, a microwave drying device 50, and a dehumidifying device 40, which are sequentially distributed along the production line, wherein the cleaning device 20, the paint spraying device 10, the detecting device 30, the dehumidifying device 40, the microwave drying device 50, and the dehumidifying device 40 are all provided with a conveying device 70, and on the production line, the cleaning device 20, the paint spraying device 10, the detecting device 30, the dehumidifying device 40, the microwave drying device 50, and the dehumidifying device 40 can be sequentially connected by the conveying device 70, i.e. a workpiece can sequentially reach the cleaning device 20, the paint spraying device 10, the detecting device 30, the dehumidifying device 40, the microwave drying device 50, and the dehumidifying device 40 through the conveying device 70. Specifically, the cleaning device 20 can clean the surface of the workpiece, and the painting device 10 is used for painting the workpiece. And the detection device 30 can detect the painting condition of the workpiece. The dehumidifying device 40 is used for removing moisture on the surface of the workpiece; the microwave drying device 50 is used for performing microwave drying on the surface of the workpiece.

The control system comprises a main control unit, a cleaning device 20 control unit, a paint spraying device 10 control unit, a dehumidifying device 40 control unit, a microwave drying device 50 control unit and a conveying device 70 control unit, wherein the main control unit is used for controlling the cleaning device 20 control unit, the paint spraying device 10 control unit, the dehumidifying device 40 control unit, the microwave drying device 50 control unit and the conveying device 70 control unit; the cleaning device 20 control unit, the painting device 10 control unit, the dehumidifying device 40 control unit, the microwave drying device 50 control unit and the conveying device 70 control unit are respectively used for controlling the automatic operation of the cleaning device 20, the painting device 10, the detecting device 30, the dehumidifying device 40, the microwave drying device 50 and the conveying device 70.

On the basis of the structure, use the utility model discloses a during intelligent environmental protection production line that sprays paint, can place the work piece on conveyor 70, conveyor 70 can carry the work piece to cleaning device 20, under cleaning device 20's effect, the workpiece surface on conveyor 70 can be cleaned, afterwards, conveyor 70 carries the work piece to paint spraying apparatus 10 department, conveyor 70 through paint spraying apparatus 10 receives and carries to the station department that sprays paint, paint spraying apparatus 10 can spray paint to the clear work piece of surface, can avoid workpiece surface dust to influence the quality of spraying paint. And after the completion of spraying paint, conveyor 70 can carry the work piece to detection device 30 department, detects at detection device 30, detects whether there is the condition of uneven or incomplete lacquer spraying, detects qualified back, and conveyor 70 carries the work piece to dehumidifying device 40, dehumidifies and air-dries, carries out preliminary drying to the lacquer painting on work piece surface. After that, the conveying device 70 conveys the workpiece to a microwave drying position for microwave drying, and the microwave drying is rapid and uniform, so that the drying effect of the paint surface of the workpiece is better. After the drying is completed, the conveying device 70 conveys the workpiece to the next dehumidifying device 40 for dehumidifying and drying again, so that the effect is better.

The main control unit of the control system may control the cleaning device 20 control unit, the painting device 10 control unit, the dehumidifying device 40 control unit, the microwave drying device 50 control unit, and the conveying device 70 control unit, respectively, and accordingly, the cleaning device 20, the painting device 10, the detecting device 30, the dehumidifying device 40, the microwave drying device 50, and the conveying device 70 may be controlled to perform automatic operations, i.e., the cleaning, painting, detecting, dehumidifying, drying, and dehumidifying operations may be automatically performed under the control of the main control unit, thereby improving the degree of automation.

Thus, the workpiece can be sequentially conveyed to the cleaning device 20, the painting device 10, the detection device 30, the dehumidifying device 40, the microwave drying device 50 and the dehumidifying device 40 through the conveying device 70; the workpiece is cleaned, painted, detected, dehumidified, dried and dehumidified, so that the painting quality and efficiency are improved.

It should be noted that the conveying device 70 may be a belt conveying mechanism, a chain conveying mechanism or a roller conveying mechanism in the prior art, for example, a belt conveying mechanism, a conveying section of a portion of the belt conveying mechanism sequentially passing through the cleaning device 20, the painting device 10, the detecting device 30, the dehumidifying device 40, the microwave drying device 50 and the dehumidifying device 40 may be formed into a corresponding conveying device 70, of course, the conveying device 70 may be a belt conveying mechanism provided in a corresponding device, and when the production line is used, each belt conveying mechanism may be connected.

On the basis of the structure, the control unit of the conveying device 70 can control the conveying speed of the conveying device 70 by controlling the rotating speed of the motor, so that the workpiece has enough residence time when reaching the corresponding station, and the processing is convenient.

Further, in this embodiment, the cleaning device 20 includes a cleaning chamber 21, a plurality of cleaning mechanisms, and the conveying device 70, the conveying device 70 is disposed at the bottom end of the cleaning chamber 21, the cleaning mechanisms are disposed at the top end of the cleaning chamber 21, the cleaning mechanisms can clean the workpiece on the conveying device 70, and the plurality of cleaning mechanisms are spaced apart in the conveying direction of the conveying device 70.

Specifically, the cleaning mechanism comprises a cleaning roller, an anti-static rod and an air blowing port, wherein the cleaning roller is pivoted on the cleaning chamber 21 and is used for being in frictional contact with the surface of the workpiece; the anti-static rod is arranged on one side of the cleaning roller and is used for removing static electricity on the surface of the workpiece; the air blowing port faces the conveying end face of the conveying device 70. The air blowing port is configured to allow air to be introduced into the cleaning chamber 21 through an air blowing pipe 22 provided at the top end of the cleaning chamber 21.

On the basis of the structure, when cleaning operation is carried out, the conveying device 70 conveys the workpiece into the cleaning chamber 21, the cleaning roller at the top end of the cleaning chamber 21 can clean and remove dust on the surface of the workpiece in the rotating process, and then the anti-static rod arranged on one side of the cleaning roller can be contacted with the workpiece to prevent static electricity from being generated in the cleaning process of the cleaning roller. Certainly, set up blowing pipe 22 and blow mouth intercommunication at clean room 21 top, leading-in is bloied to work piece surface and is removed dust, so, cooperation cleans the roller and bloies to remove dust, cleans the effect better.

The cleaning device 20 control unit is used for controlling the up-and-down movement of the cleaning mechanism, specifically, a cleaning mechanism lifting assembly can be arranged in the cleaning chamber 21, the lifting assembly can drive the cleaning mechanism to move up and down, a height sensor is arranged in the cleaning chamber 21, the movement height of the cleaning mechanism is detected through the height sensor, when the cleaning mechanism contacts the height of a workpiece, the height sensor can transmit the height position to the cleaning device 20 control unit, and the cleaning mechanism is controlled to stop in time.

The control unit of the cleaning device 20 can also be used for controlling the blowing time of the air outlet, namely, the air outlet is communicated with an external blower through a vent pipe, and the control unit of the cleaning device 20 can control the air output through the blowing time and the blowing speed of the blower.

It should be noted that the cleaning roller can be implemented by using a cleaning brush in the prior art.

Further, the painting device 10 includes a painting room 11, a painting mechanism 12 and the above-mentioned conveying device 70, the conveying device 70 is arranged at the bottom end of the painting room 11, and the specific painting mechanism 12 includes a painting gun, a detection camera and a painting gun driving assembly, and the painting gun is installed in the painting room 11 and located above the conveying end face of the conveying device 70. The paint gun driving assembly is used for driving a paint gun to move along a paint spraying direction, and the paint spraying direction is perpendicular to the conveying direction of the workpiece conveying direction. The spray gun drive assembly is also used to move the tape spray gun in the height direction of the spray booth 11. The detection camera is used for detecting the workpiece and sending a detection signal;

in this embodiment, the conveying direction of the conveying device 70 may be the longitudinal direction of the workpiece itself, and the painting direction perpendicular to the conveying direction of the conveying device 70 may be the width direction of the workpiece itself.

On the basis of the structure, the conveying device 70 at the bottom end of the paint spraying chamber 11 can receive the cleaned workpiece sent by the cleaning chamber 21, the workpiece can be conveyed into the paint spraying chamber 11 under the driving of the conveying device 70, a paint spraying gun in paint spraying can spray paint on the workpiece on the conveying device 70, the paint spraying gun can move up and down, the paint spraying distance between the paint spraying gun and the workpiece is adjusted, the paint spraying gun can move in the paint spraying direction, namely, the workpiece reciprocates in the width direction, the workpiece is conveyed continuously in the conveying direction of the conveying device 70, namely, the paint spraying gun can spray paint in sequence in the length direction of the workpiece, so that the paint spraying operation on different positions of the workpiece is completed, the automation degree is high, and the paint spraying efficiency is high.

It should be noted that, in the process of painting, the detection camera can move with the paint spraying gun under the driving of the paint spraying gun driving component, so that the painting condition of the workpiece can be detected in real time, and the control unit of the paint spraying device 10 can control the operation of the paint spraying gun component according to the painting condition of the workpiece. The moving height and the moving position of the paint spray gun can be controlled.

Of course, the above-mentioned driving assembly of the paint spraying gun can be realized by combining the electric sliding tables in the prior art, that is, the electric sliding tables are arranged in the paint spraying direction and the height direction of the paint spraying chamber 11, and the movement of the paint spraying gun in the paint spraying direction and the height direction is realized by combining the electric sliding tables.

Further, the paint spraying apparatus 10 in this embodiment further includes a paint spraying barrel, an oil pump, and a connecting pipe, and the paint spraying gun may be communicated with the paint spraying barrel through the connecting pipe. The oil pump can set up on the paint spraying bucket for go into the spray gun with the lacquer liquid pump in the paint spraying bucket, paint spraying apparatus 10 the control unit is used for controlling opening of oil pump stops. That is, when the painting operation is required, the main control unit of the control system can control the control unit of the painting device 10 to start the oil pump, the oil pump pumps the paint liquid into the painting gun to perform the painting operation, and the working time of the oil pump can be controlled to control the painting beam.

Further, the paint spraying apparatus 10 further includes a cleaning and recycling system disposed at the conveying end of the conveying mechanism and used for scraping off residual paint at the conveying end of the conveying mechanism for recycling. The cleaning and recycling system comprises a first scraping component 13 and a second scraping component 14, specifically, the first scraping component 13 comprises a first mounting frame 131, a first cleaning roller 132, a first scraper 133 and a first collecting groove 134, specifically, the first mounting frame 131 is fixedly connected to the conveying end of the conveying mechanism, the first cleaning roller 132 is pivotally connected to the top end of the first mounting frame 131, and the first cleaning roller 132 is used for contacting with the conveying end of the conveying mechanism. In addition, the first scraper 133 is fixed on one side of the first cleaning roller 132 and contacts with the first cleaning roller 132, the first collecting groove 134 is fixedly connected to the first mounting frame 131, and the first collecting groove 134 is used for receiving residual paint scraped by the first scraper 133.

In addition, the second scraping assembly 14 includes a second mounting frame 141, a second cleaning roller 142, a second scraper 143 and a second collecting groove 144, the second mounting frame 141 is disposed below the conveying device 70, and the second cleaning roller 142 is pivotally connected to the top end of the second mounting frame 141. Of course, the second cleaning roller 142 is used to contact the bottom end face of the conveying device 70; a second blade 143 fixed to one side of the second cleaning roller 142 and contacting the second cleaning roller 142; the second collecting trough 144 is fixedly connected to the second mounting frame 141 and is used for receiving residual paint scraped by the second scraper 143.

On this structure basis, when carrying out scraping off of incomplete lacquer, accessible motor drives first cleaning roller 132 and rotates, can make conveying mechanism's the terminal incomplete lacquer of transport adhesion on self surface when first cleaning roller 132 rotates, and meanwhile, at the rotation in-process, can scrape off the incomplete lacquer on first cleaning roller 132 surface with first scraper 133 of first cleaning roller 132 surface contact, and the incomplete lacquer of scraping off can drop and retrieve in first collecting groove 134.

In addition, because the existing conveying device 70 is mainly a belt conveying mechanism, a chain conveying mechanism or a roller conveying mechanism, etc., which do a rotary motion, i.e., the workpiece can rotate after being conveyed to the tail end, i.e., after the first scraping component 13 can scrape residual paint at the conveying tail end of the conveying mechanism, the conveying belt passing through the conveying roller can be continuously conveyed to the lower part of the conveying frame, at this time, the motor can drive the second cleaning roller 142 to rotate, the rotating second cleaning roller 142 can contact with the lower surface of the conveying belt, the conveying belt can be further cleaned, the second scraper 143 can scrape the residual paint or dust on the surface of the second cleaning roller 142, the second collecting groove 144 can further recover the residual paint or dust, and the cleaning and recovering effect is better.

Further, the detecting device 30 in this embodiment includes a detecting chamber and a conveying device 70, the conveying device 70 is connected to the bottom end of the detecting chamber in a penetrating manner, and the top cover of the detecting chamber is made of a transparent material; the top of detecting the room is equipped with a plurality of detection cameras. In this way, when the conveying device 70 of the detection device 30 receives the workpiece conveyed by the painting device 10, the plurality of detection cameras can detect the workpiece in the detection chamber, and detect the uniform condition of the painting and the residual condition of the painting. And because the top cap of detection room is transparent material, therefore the operator can also pass through the condition of spraying paint of naked eye observation work piece by the top of detection room, detects more comprehensively.

The control unit of the detection device 30 can collect information collected by a plurality of detection cameras, record the paint spraying condition of a workpiece, and the main control unit can timely perform paint repair or other instructions according to the information.

Further, the dehumidifying apparatus 40 includes a first dehumidifying tunnel, the first dehumidifying tunnel includes a first drying chamber 41, a first air chamber 42 and a heat exchanging chamber 44, the conveying apparatus 70 may be disposed at a bottom end of the first drying chamber 41, a first air outlet 411 and a first air inlet 412 are disposed at a top end of the first drying chamber 41, the first air chamber 42 and the heat exchanging chamber 44 are both mounted at a top end of the first drying chamber 41, such that one end of the first air chamber 42 communicates with the first air outlet 411, and the other end of the first air chamber 42 communicates with one end of the heat exchanging chamber 44. In addition, the other end of the heat exchange chamber 44 communicates with the first intake port 412. Specifically, a first fan 43 is provided in the first air compartment 42, and a heat exchanger 45 is provided in the heat exchange compartment 44.

On the basis of the above structure, the conveying device 70 of the drying chamber receives the workpiece conveyed by the detecting device 30, and conveys the workpiece into the first drying chamber 41, the first drying chamber 41 can be heated by the heating device, the first fan 43 is started, the hot steam generated by drying can flow into the first air chamber 42 through the air draft effect of the first fan 43, and flow into the heat exchange chamber 44 through the first air chamber 42, and a part of the heat of the hot steam can be dissipated in the air draft process, so that the hot steam can exchange heat with the heat exchanger 45 when reaching the heat exchange chamber 44, heat exchange is carried out to heat the hot steam again through the heat exchanger 45, the hot air after reheating can enter the first drying chamber 41 again, the heat can be recycled, drying is carried out, and the waste of resources is reduced.

On the basis of the structure, the control unit of the dehumidifying device 40 is used for controlling the air output of the first fan 43, that is, the dehumidifying control unit controls the working time of the first fan 43 and controls the start and stop of the first fan 43, so that the air output of the first fan 43 is controlled.

Of course, an air plate 413 may be disposed at the top end of the first drying chamber 41, an air cavity is formed between the air plate 413 and the top wall of the first drying chamber 41 at an interval, and the first air outlet 411 and the first air inlet 412 are both communicated with the top end of the air cavity; the wind plate 413 is provided with a plurality of wind outlet holes 4131. Thus, during the air exhaust, the air in the first drying chamber 41 can be guided out to the air cavity through the plurality of air outlets and be exhausted through the first air outlet 411. During air inlet, air can be guided into the air cavity through the first air inlet 412 and uniformly guided to the surface of the workpiece through the plurality of air outlet holes 4131, so that the drying effect is more uniform.

It should be noted that two above-mentioned dehumidifying devices 40 can be disposed between the detecting device 30 and the microwave drying device 50, wherein one dehumidifying device 40 close to the detecting device 30 can be a common dehumidifying device 40 in the prior art, that is, the dehumidifying device 40 can include a second dehumidifying tunnel and an exhaust fan, the conveying device 70 is disposed in the second dehumidifying tunnel, the conveying device 70 conveys the workpiece conveyed by the inspecting device into the first dehumidifying tunnel, and the exhaust fan dehumidifies the second dehumidifying tunnel, so that the common air drying can be performed.

And the conveying device 70 in the second dehumidifying tunnel conveys the workpiece into the first drying chamber 41 of the first dehumidifying tunnel for hot air circulation dehumidifying.

Further, the microwave drying device 50 in the present embodiment includes a second drying chamber 51 and a thermal circulation mechanism, the conveying device 70 is disposed in the second drying chamber 51, a microwave generating mechanism 52 is disposed at a top end of the second drying chamber 51, and the microwave generating mechanism 52 is configured to generate microwaves to heat the second drying chamber 51 so as to heat the workpiece conveyed by the workpiece conveying mechanism. In addition, a second air inlet 511 is provided at the top end of the second drying chamber 51.

Specifically, the heat circulation mechanism includes a second air chamber 53, a second fan 531 and a water pipe 532, the second air chamber 53 is installed at the top end of the second drying chamber 51, the second fan 531 is installed in the second air chamber 53, an inlet of the second fan 531 is communicated with the outside of the second air chamber 53, and an outlet of the second fan 531 is communicated with the second air inlet 511. The water pipe 532 may be fixed to the top end of the second drying chamber 51, and the water pipe 532 may be disposed around the microwave generating mechanism 52 and the second air inlet 511. Water may be introduced into the water pipe 532 to cool the microwave generating means 52. The water in the water pipe 532 can absorb heat after cooling the microwave generating mechanism 52, and the water after absorbing heat can heat the air in the second air inlet 511.

On the basis of the above structure, the conveying device 70 of the second drying chamber 51 can receive the workpiece conveyed by the first dehumidifying tunnel and can convey the workpiece into the second drying chamber 51, and at the same time, the microwave generating mechanism 52 can generate microwaves to heat the second drying chamber 51, so as to heat the workpiece conveyed by the workpiece conveying mechanism.

Meanwhile, cooling water can be introduced into the water pipe 532 in the second drying chamber 51 to cool the microwave generating mechanism 52, the cooled water absorbs heat and can reheat the air in the second air inlet 511, the hot air enters the second drying chamber 51 to assist drying, the energy consumption of the microwave generating mechanism 52 is reduced, the microwave generating mechanism 52 can be cooled in time, and the service life of the microwave generating mechanism is prolonged.

In the actual drying process, moisture may be generated in the second drying chamber 51, and therefore needs to be discharged to the outside, so that the second air outlet 514 may be formed at the top end of the second drying chamber 51, the second air outlet 514 may be communicated with the air extracting device 54, and the air extracting device 54 extracts the damp-heat gas in the second drying chamber 51 through the second air outlet 514.

The control unit of the microwave drying device 50 is configured to control the air supply amount of the second fan 531, that is, the control unit of the microwave drying device 50 controls the working time of the second fan 531, and controls the start and stop of the second fan 531, so that the air supply amount of the second fan 531 is controlled, and the drying temperature and flow rate required in the actual working process are controlled. In addition, the microwave drying device 50 can also control the air draft device 54, and also control the working time of the air draft device 54, and the main control unit can regulate and control the work of the second fan 531 and the air draft device 54 to balance the air volume in the drying chamber.

Further, in the present embodiment, the microwave generating mechanism 52 includes a microwave generator and a microwave guide tube, both of which are fixedly connected to the top end of the second drying chamber 51, the microwave generator is disposed at the end of the microwave guide tube, and the extending direction of the microwave guide tube is perpendicular to the workpiece conveying direction; the microwave guide tube is used for conducting the microwave generated by the microwave generator. Particularly, a plurality of cracks are arranged at the bottom end of the microwave guide pipe.

Therefore, when microwave heating is carried out, the microwave generator can be started, microwaves generated by the microwave generator can be guided through the microwave guide pipe, a plurality of cracks are arranged at the bottom end of the microwave guide pipe, namely the microwaves can be transmitted into the second drying chamber 51 through the cracks of the microwave guide pipe, the surface of a workpiece is dried, the microwaves are firstly transmitted along the direction perpendicular to the conveying direction of the workpiece through the microwave guide pipe and are led out through the cracks, the emission of the microwaves is changed into lines or surfaces by points, the microwaves are heated and dried on the surfaces of the workpiece, the microwaves are uniformly distributed, and the drying effect is better.

The microwave generator can be a microwave magnetron in the prior art, the output power of the microwave magnetron is controlled by the control unit of the microwave drying device 50, and the microwave generated by the microwave magnetron is controlled, so that the drying temperature is reasonably controlled.

Further, a water loading mechanism and a microwave unloading mechanism are arranged in the second drying chamber 51, the water loading mechanism is used for absorbing microwaves, and the starting end and the tail end of the conveying device 70 are both provided with the water loading mechanism; a plurality of microwave unloading mechanisms are arranged below the conveying end face of the conveying device 70. The water loading mechanism may include a plurality of water loading pipes 512, and similarly, the microwave unloading mechanism may include a microwave unloading pipe 513, and the water medium for absorbing microwaves may be introduced into each of the water loading pipes 512 and the microwave unloading pipe 513.

The water loading pipes 512 are distributed at intervals in the workpiece conveying direction, the extending direction of the water loading pipes 512 is perpendicular to the workpiece conveying direction, water is introduced into the water loading pipes 512, water media capable of being used for microwave absorption can be distributed in the workpiece conveying direction and the direction perpendicular to the workpiece conveying direction, an absorption surface formed by the water loading pipes 512 is large, and the microwave absorption effect is good. In addition, a plurality of water loading pipes 512 are arranged above and below the conveying end face of the conveying device 70, water is arranged above and below the conveying device 70 to absorb microwaves, and the radiation protection effect is better.

The microwave unloading mechanisms distributed below the conveying end face of the conveying device 70 can absorb microwaves, the workpieces are placed on the conveying device 70, and under the condition that the sizes of the workpieces are small, the conveying end face of the conveying device 70 cannot be completely covered, the microwaves are used for drying a chamber, the microwaves on two sides of the workpieces cannot be absorbed by the workpieces and can be concentrated on the conveying end face of the conveying device 70, so that the microwaves are unevenly distributed, therefore, the microwave unloading mechanisms are arranged below the conveying end face of the conveying device 70, the microwaves which are not absorbed by the workpieces can be absorbed, on one hand, the microwaves are prevented from being leaked from the lower part of the conveying device 70 to cause radiation, on the other hand, the microwaves in the drying chamber are uniformly distributed, the microwave density is consistent, and the drying and forming quality is improved.

It should be noted that the water loading pipe 512 and the microwave unloading pipe 513 can be non-metal pipes (such as plastic water pipe 532) in the prior art.

Further, the intelligent environment-friendly paint spraying production line further comprises a curing device 60, wherein the cleaning device 20, the paint spraying device 10, the detecting device 30, the dehumidifying device 40, the microwave drying device 50, the dehumidifying device 40 and the curing device 60 are sequentially distributed along the production line, so that a workpiece can be finally conveyed to the curing device 60 by the conveying device 70 for curing after a series of processes of cleaning, paint spraying, detecting, dehumidifying, drying and dehumidifying are sequentially carried out on the workpiece, and a paint surface is cured.

The curing device 60 in this embodiment includes a curing chamber 61 and a curing lamp 62, the curing lamp 62 may be an ultraviolet lamp in the prior art, the curing lamp 62 is installed at the top end of the curing chamber 61, the conveying device 70 is installed at the bottom end of the curing chamber 61, the conveying device 70 receives the workpiece sent by the dehumidifying device 40, and the curing lamp 62 cures the workpiece on the conveying device 70. Of course, the control system may also include a curing device 60 control unit, and the curing device 60 control unit may control the output power and the operation time of the curing lamp 62, so that the curing time is controlled.

It should be noted that the main control unit may record control data of the control unit of each cleaning device 20, the control unit of the painting device 10, the control unit of the dehumidifying device 40, the control unit of the microwave drying device 50, and the control unit of the conveying device 70, so as to facilitate control operations directly according to relevant data in subsequent working processes. In addition, each control unit can be realized by a control chip or a single chip microcomputer in the prior art, and each unit can be connected in a telecommunication way.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims (10)

1. An intelligent environment-friendly paint spraying production line is characterized by comprising a control system, and a cleaning device, a paint spraying device, a detection device, a dehumidifying device, a microwave drying device and a dehumidifying device which are sequentially distributed along the production line; the cleaning device, the paint spraying device, the detection device, the dehumidifying device, the microwave drying device and the dehumidifying device are all provided with conveying devices and are connected in sequence by the conveying devices; the cleaning device is used for cleaning the surface of the workpiece; the paint spraying device is used for spraying paint on the workpiece; the detection device is used for detecting the paint spraying condition of the workpiece; the dehumidifying device is used for removing moisture on the surface of the workpiece; the microwave drying device is used for performing microwave drying on the surface of the workpiece;

the control system comprises a main control unit, a cleaning device control unit, a paint spraying device control unit, a dehumidifying device control unit, a microwave drying device control unit and a conveying device control unit, wherein the main control unit is used for controlling the cleaning device control unit, the paint spraying device control unit, the dehumidifying device control unit, the microwave drying device control unit and the conveying device control unit; the cleaning device control unit, the paint spraying device control unit, the dehumidifying device control unit, the microwave drying device control unit and the conveying device control unit are respectively used for controlling automatic operation of the cleaning device, the paint spraying device, the detecting device, the dehumidifying device, the microwave drying device and the conveying device.

2. The intelligent environment-friendly paint spraying production line as claimed in claim 1, wherein the cleaning device comprises a cleaning chamber, a plurality of cleaning mechanisms and the conveying device, and the cleaning mechanisms are arranged at the top end of the cleaning chamber and are used for cleaning workpieces on the conveying device; the plurality of cleaning mechanisms are distributed at intervals in the conveying direction of the conveying device;

the cleaning mechanism comprises a cleaning roller, an anti-static rod and an air blowing port, and the cleaning roller is pivoted on the cleaning chamber and is used for being in frictional contact with the surface of the workpiece; the anti-static rod is arranged on one side of the cleaning roller and is used for removing static electricity on the surface of the workpiece; the air blowing port faces the conveying end face of the conveying device;

the cleaning device control unit is used for controlling the cleaning mechanism to move up and down; and is used for controlling the blowing time of the blowing port.

3. The intelligent environment-friendly paint spraying production line according to claim 1, wherein the paint spraying device comprises a paint spraying chamber, a paint spraying mechanism and the conveying device, the paint spraying mechanism comprises a paint spraying gun, a detection camera and a paint spraying gun driving assembly, and the paint spraying gun is installed in the paint spraying chamber and is positioned above the conveying end face of the conveying device; the paint spraying gun driving assembly is used for driving the paint spraying gun to move along a paint spraying direction, and the paint spraying direction is perpendicular to the conveying direction of the workpiece conveying direction; the paint spray gun driving assembly is also used for driving the paint spray gun to move along the height direction of the paint spray booth; the detection camera is used for detecting the workpiece and sending a detection signal;

and the paint spraying device control unit is used for controlling the work of the paint spraying gun assembly according to the detection signal.

4. The intelligent environment-friendly paint spraying production line as claimed in claim 3, wherein the paint spraying device further comprises a paint spraying barrel, an oil pump and a connecting pipe, and the paint spraying gun is communicated with the paint spraying barrel through the connecting pipe; the oil pump is used for pumping the paint liquid in the paint spraying barrel into the paint spraying gun; the paint spraying device control unit is used for controlling the start and stop of the oil pump.

5. The intelligent environment-friendly paint spraying production line as claimed in claim 1, wherein the detection device comprises a detection chamber and the conveying device, and a top cover of the detection chamber is made of transparent material; the top of detecting the room is equipped with a plurality of detection cameras.

6. The intelligent environment-friendly paint spraying production line according to claim 1, wherein the dehumidifying device comprises a first dehumidifying tunnel, and the first dehumidifying tunnel comprises a first drying chamber, a first air chamber and a heat exchange chamber; the top end of the first drying chamber is provided with a first air outlet and a first air inlet, the first air chamber and the heat exchange chamber are both arranged at the top end of the first drying chamber, one end of the first air chamber is communicated with the first air outlet, and the other end of the first air chamber is communicated with one end of the heat exchange chamber; the other end of the heat exchange chamber is communicated with the first air inlet; a first fan is arranged in the first air chamber; a heat exchanger is arranged in the heat exchange chamber; the top end of the first drying chamber is provided with an air plate, and an air cavity is formed between the air plate and the top wall of the first drying chamber at intervals; the first air outlet and the first air inlet are communicated with the top end of the air cavity; a plurality of air outlet holes are formed in the air plate;

and the dehumidifying device control unit is used for controlling the air supply quantity of the first fan.

7. The intelligent environment-friendly paint spraying production line as claimed in claim 1, wherein the microwave drying device comprises a second drying chamber, a conveying device and a thermal circulation mechanism, a microwave generating mechanism is arranged at the top end of the second drying chamber, and the microwave generating mechanism is used for generating microwaves to heat the inside of the second drying chamber; the top end of the second drying chamber is provided with a second air inlet; the heat circulation mechanism comprises a second air inlet chamber, a second fan and a water pipe, wherein the second air inlet chamber is arranged at the top end of the second drying chamber; the fan is arranged in the second air inlet chamber, and an inlet of the second fan is communicated with the outside of the second air inlet chamber; the outlet of the second fan is communicated with the second air inlet; the water pipe is fixedly connected to the top end of the second drying chamber and used for introducing water for cooling the microwave generating mechanism; the water in the water pipe is used for absorbing heat after cooling the microwave generating mechanism and heating the air in the second air inlet;

the microwave drying device control unit is used for controlling the air supply quantity of the second fan.

8. The intelligent environment-friendly paint spraying production line as claimed in claim 7, wherein the microwave generating mechanism comprises a microwave generator and a microwave guide pipe, and the microwave generator and the microwave guide pipe are fixedly connected to the top end of the second drying chamber; the microwave generator is arranged at the end part of the microwave catheter; the extending direction of the microwave guide pipe is vertical to the conveying direction of the workpiece; the microwave guide pipe is used for conducting the microwaves generated by the microwave generator; the bottom end of the microwave catheter is provided with a plurality of cracks;

the microwave drying device control unit is also used for controlling the work of the microwave generator.

9. The intelligent environment-friendly paint spraying production line as claimed in claim 8, wherein a second air outlet and an air draft device are arranged at the top end of the second drying chamber, and the air draft device is communicated with the second air outlet; the microwave drying device control unit is also used for controlling the starting and stopping of the air draft device.

10. The intelligent environmentally friendly painting production line of claim 1, wherein the conveyor control system is configured to control a conveyor speed of the conveyor.

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