CN114100918B - Quick paint color changing system of multi-pipeline distribution station - Google Patents
Quick paint color changing system of multi-pipeline distribution station Download PDFInfo
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- CN114100918B CN114100918B CN202111510859.3A CN202111510859A CN114100918B CN 114100918 B CN114100918 B CN 114100918B CN 202111510859 A CN202111510859 A CN 202111510859A CN 114100918 B CN114100918 B CN 114100918B
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- 239000003973 paint Substances 0.000 title claims abstract description 143
- 238000004140 cleaning Methods 0.000 claims abstract description 154
- 238000007664 blowing Methods 0.000 claims abstract description 88
- 239000003960 organic solvent Substances 0.000 claims abstract description 32
- 238000011084 recovery Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000000861 blow drying Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 56
- 230000001276 controlling effect Effects 0.000 claims description 49
- 238000000034 method Methods 0.000 claims description 49
- 238000001514 detection method Methods 0.000 claims description 28
- 239000002699 waste material Substances 0.000 claims description 28
- 230000001105 regulatory effect Effects 0.000 claims description 22
- 239000007921 spray Substances 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000003086 colorant Substances 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000005507 spraying Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 10
- 238000004904 shortening Methods 0.000 abstract 1
- 238000005406 washing Methods 0.000 description 10
- 238000001035 drying Methods 0.000 description 5
- 239000004922 lacquer Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
- B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
- B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
- B05B15/557—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids the cleaning fluid being a mixture of gas and liquid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Spray Control Apparatus (AREA)
Abstract
The application relates to a paint quick color changing system of a multi-pipeline distribution station, which relates to the field of paint spraying and comprises a paint supply module, wherein the paint supply module comprises a distribution station, a color changing valve, at least two main pipelines arranged on the distribution station and a plurality of branch pipelines, one end of each branch pipeline is arranged on the color changing valve, and the other end of each branch pipeline is respectively communicated with each main pipeline; the system also comprises a regulation and control module; the paint recovery module is used for outputting gas after color change and blowing the paint in the branch pipeline back to the corresponding main pipeline; the primary cleaning module is used for simultaneously outputting gas and organic solvent after the paint is recovered and cleaning the split pipeline; the secondary cleaning module is used for outputting water and cleaning the split pipeline; and the blow-drying module is used for outputting gas after secondary cleaning and blow-drying the split pipeline. The application has the effects of cleaning the split pipeline during color changing, shortening the color changing time and improving the color changing efficiency.
Description
Technical Field
The application relates to the field of paint spraying, in particular to a paint quick color changing system of a multi-pipeline distribution station.
Background
Paint spraying system generally includes paint bucket, pump module, main line, distribution station, branch pipeline, spray gun and automatically controlled module, and the one end and the paint bucket intercommunication of main line, the other end are the blind end, and the pump module is installed in the one end that the main line is close to the paint bucket, and the distribution station is provided with a plurality of along the extending direction of main line, divides pipeline and distribution station one-to-one, divides pipeline one end and communicates with the distribution station, and the other end and spray gun intercommunication, and automatically controlled module is used for controlling the spraying process. When spraying, the pump module is used for conveying paint in the paint bucket into the main pipeline, the paint flows along the extending direction of the main pipeline, when the paint flows through any one of the distribution stations, the distribution stations enable a part of the paint in the main pipeline to flow into the branch pipelines, other paint continues to flow along the main pipeline, the paint entering the branch pipelines flows to the spray gun along the branch pipelines, and then the spray gun sprays out, so that the spraying process of the paint is realized.
Paint of different colors is often required to be sprayed in the spraying process, and the color of the paint needs to be changed. When the color is changed, the paint with different colors flows into the main pipeline, in order to reduce the mixing of the paint with different colors, the residual paint in the main pipeline is generally cleaned, and the paint with different colors is conveyed in the main pipeline after the cleaning is finished.
Aiming at the related technology, only the main pipeline is cleaned before color changing, and the residual paint in the branch pipeline is inevitably mixed with new paint after color changing, so that the color changing effect is affected; and the spray gun needs to be stopped in the cleaning process of the main pipeline, the color changing process is time-consuming and long, and the color changing efficiency is low.
Disclosure of Invention
In order to clean the split pipelines during color changing, shorten the color changing time and improve the color changing efficiency, the application provides a paint quick color changing system of a multi-pipeline distribution station.
The application provides a paint quick color changing system of a multi-pipeline distribution station, which adopts the following technical scheme:
The paint quick color change system comprises a paint supply module, wherein the paint supply module comprises a distribution station, a color change valve, at least two main pipelines arranged on the distribution station, and a plurality of branch pipelines with one end arranged on the color change valve and the other end respectively communicated with each main pipeline, and a spray gun is arranged on the color change valve; further comprises:
the paint recovery module is connected with each branch pipeline and is used for outputting gas after color change and blowing the paint in the branch pipeline back into the corresponding main pipeline;
the primary cleaning module is connected with each branch pipeline and is used for outputting gas and organic solvent and cleaning the branch pipelines after the paint is recovered;
The secondary cleaning module is connected with each branch pipeline and is used for outputting water and cleaning the branch pipelines;
The blow-drying module is connected with each branch pipeline and is used for outputting gas after secondary cleaning and blow-drying the branch pipelines;
The waste liquid collecting module is connected with each branch pipeline and is used for receiving waste liquid discharged in the cleaning process of the primary cleaning module and the secondary cleaning module;
the regulation and control module is used for controlling the working states of the paint supply module, the paint recovery module, the primary cleaning module, the secondary cleaning module and the waste liquid collection module.
Through adopting above-mentioned technical scheme, during the spraying, to carrying paint in one of them is responsible for, the interior part paint of responsible for gets into rather than the branch pipeline of intercommunication through the distribution station to in getting into the colour changing valve through the branch pipeline, then get into inside the spray gun through the colour changing valve. When the color is required to be changed, the main pipeline for supplying paint is changed through the regulating and controlling module, so that the changed paint is conveyed into the other main pipeline, and the paint is supplied to the spray gun; meanwhile, gas is input into the original branch pipeline through the paint recovery module, and paint in the branch pipeline is blown back into the original main pipeline; after the back blowing is finished, the paint in the original main pipeline is cleaned, meanwhile, gas and an organic solvent are simultaneously input into the original branch pipeline through a primary cleaning module, the organic solvent can dissolve and clean the paint remained on the inner wall of the branch pipeline, the gas and the organic solvent can form turbulence after being mixed, the gas and the organic solvent are fully contacted with the inner wall of the branch pipeline, the cleaning effect of the inner wall of the branch pipeline is enhanced, and waste liquid discharged in the primary cleaning process is collected through a waste liquid collecting module; after the primary cleaning is finished, the secondary cleaning module is used for carrying out secondary cleaning on the input water in the original branch pipeline, the organic solvent remained in the branch pipeline is cleaned, the influence of the organic solvent remained in the branch pipeline on the reuse of the branch pipeline is avoided, and the waste liquid discharged in the secondary cleaning process is also collected by the waste liquid collecting module; after the secondary washs, the rethread weathers the module and weathers the processing to original gas input in the branch pipeline, makes the branch pipeline in keeping dry, avoids branch pipeline inside residual moisture, ensures the branch pipeline and uses normally once more to realize the clearance process to the branch pipeline, and can carry out the confession lacquer after the colour change to the spray gun simultaneously in the clearance process, avoid stopping the spraying in the clearance process, effectively shortened the colour change time, improved colour change efficiency.
Optionally, the paint recovery module includes:
one end of the main air blowing pipe is communicated with an air source and is used for air transmission;
One end of each branch air blowing pipe is respectively communicated with one end of each branch pipe close to the color changing valve, and the other end of each branch pipe is communicated with the main air blowing pipe;
the first switch valves are respectively arranged at one end of each branch air blowing pipe close to the branch pipeline and are connected with the regulating and controlling module, and are used for controlling the opening and closing of the first switch valves through the regulating and controlling module.
Through adopting above-mentioned technical scheme, after the colour change, open the first switch valve on the original minute pipeline through regulation and control module, the gas of air supply output can carry minute in the gas blow pipe through main gas blow pipe this moment to get into the one end that original minute pipeline is close to the colour change valve by minute gas blow pipe, then blow towards the one end that is close to main pipeline along minute pipeline, make the paint in the minute pipeline blow to in the main pipeline, realize the back blowing process of the paint in the minute pipeline, the paint in the minute pipeline of not only being convenient for carries out recycle, also can clear up the paint of minute pipeline, avoid the paint in the minute pipeline to mix with the paint of supplying paint once more.
Optionally, the paint recovery module includes:
the paint liquid level sensors are arranged at one end of the branch pipeline close to the main pipeline in a one-to-one correspondence manner, and are used for detecting the paint quantity in the corresponding branch pipeline and outputting a liquid level detection signal;
The regulation and control module is used for responding to the liquid level detection signal and controlling the first cleaning module to clean the split pipeline according to the liquid level detection signal.
Through adopting above-mentioned technical scheme, at the in-process that is blown back to the main line of the paint in the branch pipeline, paint level sensor can be close to the one end that the main line was close to the branch pipeline and carry out liquid level detection, can detect out the liquid level of the interior paint of branch pipeline to judge the paint volume in the branch pipeline according to the liquid level, guarantee to blow into the main line after the paint in the branch pipeline is whole and once washs the branch pipeline again, realize the control effect to the end of paint blowback process and the beginning of a cleaning process.
Optionally, the primary cleaning module includes:
One end of the primary cleaning pipe is communicated with the organic solvent, and the other end of the primary cleaning pipe is communicated with the main air blowing pipe;
The second switch valve is arranged at one end of the primary cleaning pipe, which is close to the main air blowing pipe, and is connected with the regulation and control module, and is used for controlling the opening and closing of the second switch valve through the regulation and control module.
Through adopting above-mentioned technical scheme, after the paint blowback in the branch pipeline is to main pipeline, regulation and control module control second ooff valve opens, and organic solvent can flow to main gas blowing pipe through once cleaning tube this moment to get into in the branch pipeline through branch gas blowing pipe after mixing with the gas in the main gas blowing pipe, gas and organic solvent have strengthened the turbulence degree of organic solvent itself after mixing, and then realize the one-shot cleaning process of the interior residual paint of branch pipeline.
Optionally, the primary cleaning module further includes:
The first proportional valve is arranged at one end of the main air blowing pipe, which is close to the air source, and is connected with the regulation and control module, and is used for controlling the opening of the valve through the regulation and control module;
the second proportional valve is arranged on the primary cleaning pipe and connected with the regulation and control module, and is used for controlling the opening degree of the second proportional valve through the regulation and control module.
Through adopting above-mentioned technical scheme, in the cleaning process once, the aperture of first proportional valve and second proportional valve can be adjusted to the regulation and control module, makes the proportion of organic solvent and gaseous in the branch pipeline change, realizes the governing action to the organic solvent turbulence degree, ensures the cleaning performance of cleaning process once to the paint in the branch pipeline.
Optionally, the secondary cleaning module includes:
one end of the secondary cleaning pipe is communicated with a water source and is used for conveying water after primary cleaning;
the first reversing valve is arranged at one end of the main air blowing pipe, which is close to the branch air blowing pipe, is communicated with the secondary cleaning pipe, is connected with the regulation and control module and is used for controlling the switching of the main air blowing pipe and the secondary cleaning pipe through the regulation and control module.
Through adopting above-mentioned technical scheme, once wash the back that finishes, regulation and control module changes the direction of first switching-over valve, make the one end that divides the gas blow pipe keep away from and divide the gas blow pipe to make secondary cleaning pipe and divide the gas blow pipe intercommunication, the water source can carry water to minute gas blow pipe this moment, and flow to minute pipeline along minute gas blow pipe in, and wash the organic solvent that divides remaining in the pipeline, realize the secondary cleaning process that divides the pipeline, avoid dividing the interior remaining organic solvent of pipeline to supply lacquer process to the pipeline again to influence.
Optionally, the blow-drying module includes:
the temperature sensor is arranged at one end of the main air blowing pipe, which is close to the air source, and is used for detecting the temperature in the main air blowing pipe and outputting a temperature detection signal;
The heating part is connected with the regulation and control module, responds to the temperature detection signal and is used for controlling the opening and closing of the heating part through the regulation and control module;
The humidity sensor is arranged at one end of the branch pipeline close to the main pipeline, and is used for detecting the humidity in the branch pipeline and outputting a humidity detection signal;
The paint recovery module further comprises:
The main switch valve is arranged on the main air blowing pipe, connected with the regulation and control module, responds to the humidity detection signal and is used for controlling the opening and closing of the main switch valve through the regulation and control module.
Through adopting above-mentioned technical scheme, after the secondary washs, rethread air supply carries gas in to main gas-blowing pipe, temperature sensor detects this moment and can detect the temperature of main gas-blowing pipe internal gas, and open the heating portion through regulation and control module according to temperature detection signal and heat the gas in the main gas-blowing pipe, make steam blow in the minute pipeline and weather the remaining moisture in the minute pipeline, humidity transducer can detect the humidity in the minute pipeline this moment, make the moisture in the minute pipeline stop the effect of drying of minute pipeline after being dried, thereby realize the process of drying of minute pipeline, avoid the remaining moisture in the minute pipeline to supply lacquer process to influence once more in minute pipeline.
Optionally, the waste liquid collection module includes:
One end of the collecting pipe is respectively communicated with one end of each branch pipeline close to the main pipeline;
The second reversing valves are arranged at one end of each branch pipeline close to the main pipeline, are communicated with the collecting pipes, are connected to the regulating and controlling modules and are used for controlling the switching between the main pipeline and the collecting pipes through the regulating and controlling modules.
Through adopting above-mentioned technical scheme, after paint in the branch pipeline finishes the blowback to the main pipeline, change the direction of second switching-over valve through regulation and control module, make main pipeline and branch pipeline cut off to make branch pipeline and collecting pipe intercommunication, can clear up the paint in the main pipeline this moment, and can once wash and secondary washing to the branch pipeline, the waste liquid that once cleaning process and secondary cleaning process produced can flow to the collecting pipe through the branch pipeline and collect the back and concentrate the processing again, realize the collection effect to the waste liquid.
Optionally, the regulation module includes:
the upper computer is used for sending out control commands to enable different main pipelines to supply paint when the colors are changed;
And the PLC is connected with the upper computer and used for controlling the working states of the paint supply module, the paint recovery module, the primary cleaning module, the secondary cleaning module and the waste liquid collection module according to the control command of the upper computer.
Through adopting above-mentioned technical scheme, when changing the color, can carry out manual operation and intervene to the color process through the host computer, the PLC controller can be according to the control command of host computer to supply lacquer module, paint recovery module, once wash module, secondary wash module and waste liquid collection module's each part and control, realizes the automatic control of color process.
Optionally, the regulation module further includes:
The first timer is connected with the PLC and the upper computer and is used for enabling the PLC to control the cleaning time of the first cleaning module on the split pipeline according to the primary cleaning time set by the upper computer;
The second timer is connected with the PLC and the upper computer and is used for enabling the PLC to control the cleaning time of the second cleaning module to the split pipeline according to the secondary cleaning time set by the upper computer.
Through adopting above-mentioned technical scheme, after the colour change, can set for once washing time and secondary washing time through the host computer people for the PLC can be according to the primary washing time and the secondary washing time control that set for the pipeline once wash process and the secondary washing process of halving, realize the regulation and control effect to primary washing process and secondary washing process.
In summary, the present application includes at least one of the following beneficial technical effects:
by arranging the paint supplying module, the paint recycling module, the primary cleaning module, the secondary cleaning module, the blow-drying module, the waste liquid collecting module and the regulating and controlling module, the color changing device not only can clean the inside of the split pipeline after color changing, but also can avoid the influence of the cleaning process on the spraying process, effectively shortens the color changing time and improves the color changing efficiency;
By arranging the paint liquid level sensor, the paint quantity in the branch pipeline can be detected, and the paint in the branch pipeline is ensured to be blown back into the main pipeline;
Through setting up first proportional valve and second proportional valve, can adjust the proportion of organic solvent and gas, and then adjust organic solvent turbulence degree, ensure the cleaning performance of a cleaning process on the paint in the bisection pipeline.
Drawings
FIG. 1 is a system control diagram of an embodiment of the present application;
FIG. 2 is a partial system control diagram of an embodiment of the present application directed to a paint recovery module.
Reference numerals illustrate: 1. a paint supply module; 11. a main pipeline; 12. a dispensing station; 13. dividing pipelines; 14. a color changing valve; 141. a spray gun; 2. a paint recovery module; 21. a main air blowing pipe; 22. a main switch valve; 23. a branch air blowing pipe; 24. a first switching valve; 25. a paint level sensor; 3. a primary cleaning module; 31. cleaning the pipe once; 32. a second switching valve; 33. a first proportional valve; 34. a second proportional valve; 4. a secondary cleaning module; 41. a secondary cleaning tube; 42. a first reversing valve; 5. drying the module; 51. a temperature sensor; 52. a humidity sensor; 53. a heating section; 6. a waste liquid collection module; 61. a collection pipe; 62. a second reversing valve; 7. a regulation module; 71. an upper computer; 72. and a PLC controller.
Detailed Description
The application is described in further detail below with reference to fig. 1-2.
The embodiment of the application discloses a paint quick color changing system of a multi-pipeline distribution station. Referring to fig. 1, a paint quick color change system of a multi-pipeline distribution station comprises a paint supply module 1, a paint recovery module 2, a primary cleaning module 3, a secondary cleaning module 4, a blow-drying module 5, a waste liquid collection module 6 and a regulation and control module 7.
Referring to fig. 1, the paint supply module 1 includes a main pipe 11, a distribution station 12, branch pipes 13 and a color changing valve 14, the main pipe 11 is provided with at least two, the number of branch pipes 13 is the same as that of the main pipe 11 and corresponds to that of the main pipe 11 one by one, in this embodiment, the main pipe 11 and the branch pipes 13 are provided with two, the two main pipes 11 are all installed on the distribution station 12, one end of the branch pipe 13 is communicated with the corresponding main pipe 11, the other end is communicated with one of the inlet ends of the color changing valve 14, and the spray gun 141 is installed at the outlet section of the color changing valve 14.
During spraying, paint is conveyed into one main pipe through the regulating and controlling module 7, part of paint in the main pipe conveying the paint enters a branch pipeline 13 communicated with the main pipe through a distribution station 12, enters a color changing valve 14 through the branch pipeline 13, then enters the spray gun 141 through the color changing valve 14, and then the spray gun 141 is sprayed.
Referring to fig. 1, the paint recovery module 2 is connected to each branch pipe 13, and is configured to output gas after color change and blow paint in the branch pipe 13 back into the corresponding main pipe 11; the primary cleaning module 3 is connected to each branch pipeline 13 and is used for simultaneously outputting gas and organic solvent and cleaning the branch pipelines 13 after paint is recovered; the secondary cleaning module 4 is connected to each branch pipeline 13 and is used for outputting water and cleaning the branch pipelines 13; the blow-drying module 5 is connected with each branch pipeline 13 and is used for outputting gas and blow-drying the branch pipelines 13 after the secondary cleaning; the waste liquid collecting module 6 is connected to each branch pipeline 13 and is used for receiving waste liquid discharged in the cleaning process of the primary cleaning module 3 and the secondary cleaning module 4; the regulation and control module 7 comprises an upper computer 71 and a PLC 72, wherein the upper computer 71 can be an industrial personal computer, a workstation, a touch screen and the like, and the upper computer 71 is used for sending control commands to enable different main pipelines 11 to be supplied with paint when the colors are changed, and setting parameters in the color changing process; the PLC controller 72 is connected to the upper computer 71, and is configured to control the working states of the paint supply module 1, the paint recovery module 2, the primary cleaning module 3, the secondary cleaning module 4, and the waste liquid collection module 6 according to the operation command of the upper computer 71.
Referring to fig. 1 and 2, the paint recovery module 2 includes a main blowing pipe 21, a main switching valve 22, a branch blowing pipe 23, a first switching valve 24, and a paint level sensor 25, one end of the main blowing pipe 21 being communicated with a gas source and for delivering compressed air; the main switch valve 22 is arranged at one end of the main air blowing pipe 21, which is close to an air source, the main switch valve 22 is connected with the PLC 72 and used for controlling the on-off of the main switch valve 22 by the PLC 72, and the main switch valve 22 is in an open state in a normal state; the number of the branch air blowing pipes 23, the first switch valves 24 and the paint liquid level sensors 25 is the same as that of the branch pipelines 13, and the branch air blowing pipes 23 are arranged in one-to-one correspondence, one end of each branch air blowing pipe 23 is communicated with one end of the main pipeline 11 far away from an air source, and the other end of each branch air blowing pipe is communicated with one end of each branch pipeline 13 close to the color changing valve 14; the first switch valve 24 is arranged at one end of the corresponding branch air blowing pipe 23, which is close to the branch pipeline 13, the first switch valve 24 is connected with the PLC 72 and is used for controlling the on/off of the first switch valve 24 by the PLC 72, the first switch valve 24 is in a closed state in a normal state, and after the upper computer 71 sends out a color change command, the PLC 72 controls the first switch valve 24 to be opened; the paint liquid level sensor 25 is installed in the one end of the corresponding branch pipeline 13 near the main pipeline 11, the paint liquid level sensor 25 is used for detecting the paint amount in the corresponding branch pipeline 13 and outputting a liquid level detection signal, the paint liquid level sensor 25 is connected with the PLC 72, and the PLC 72 responds to the liquid level detection signal and controls the first cleaning module to clean the branch pipeline 13 according to the liquid level detection signal.
When the color is changed, the upper computer 71 is used for controlling, and paint with different colors is input into the other main pipeline 11, at the moment, the PLC 72 can enable the first switch valve 24 to be opened, gas can enter the main gas blowing pipe 21 from a gas source, enter the branch gas blowing pipe 23 communicated with the original branch pipeline 13 along the main gas blowing pipe 21, then enter one end, close to the color changing valve 14, of the original branch pipeline 13 along the branch gas blowing pipe 23, at the moment, the gas can blow the paint in the original branch pipeline 13 into the original main pipeline 11, and the recovery effect of the paint in the branch pipeline 13 is realized.
Referring to fig. 1, the primary cleaning module 3 includes a primary cleaning pipe 31, a second switching valve 32, a first proportional valve 33, and a second proportional valve 34, one end of the primary cleaning pipe 31 communicates with the organic solvent, and the other end communicates with the main blowing pipe 21; the second switch valve 32 is installed at one end of the primary cleaning pipe 31 close to the main air blowing pipe 21, the second switch valve 32 is connected with the PLC controller 72 and is used for controlling the on/off of the second switch valve 32 by the PLC controller 72, the second switch valve 32 is in a normally closed state, and when the liquid level detection signal detects that the liquid level of the paint in the air distributing pipe 23 is smaller than the liquid level height set by the upper computer 71, the PLC controller 72 controls the second switch valve 32 to be opened; the first proportional valve 33 is installed at one end of the main blowing pipe 21 close to the air source, the first proportional valve 33 is connected with the PLC 72, and the opening degree of the first proportional valve is controlled by the PLC 72; the second proportional valve 34 is mounted to the primary cleaning pipe 31, and the second proportional valve 34 is connected to the PLC controller 72 and is used to control the opening degree thereof by the PLC controller 72.
When the paint level sensor 25 detects that the paint level in the branch pipeline 13 is smaller than the level height set by the upper computer 71, the PLC controller 72 controls the second switch valve 32 to be opened, so that the organic solvent also enters the main air blowing pipe 21 through the primary cleaning pipe 31 and enters the branch pipeline 13 through the branch air blowing pipe 23 after being mixed with the gas in the main air blowing pipe 21, and at the moment, under the action of the gas, the organic solvent in a turbulent flow state can dissolve and clean the paint remained in the branch pipeline 13, so that the primary cleaning process of the branch pipeline 13 is realized. In the cleaning process, the opening degree of the first switch valve 24 and the second switch valve 32 can be regulated and controlled by the upper computer 71 and the PLC controller 72, so that the proportion of the organic solvent and the gas in the branch pipeline 13 is changed, and the turbulence degree of the organic solvent is regulated.
Referring to fig. 1, the waste liquid collecting module 6 includes a collecting pipe 61 and a second reversing valve 62, one end of the collecting pipe 61 is communicated with one end of each branch pipe 13 close to the main pipe 11, the number of the second reversing valves 62 is the same as that of the branch pipes 13, and the second reversing valves 62 are arranged in a one-to-one correspondence with the branch pipes 13, the second reversing valves 62 are installed at the communicating positions of the ends of the branch pipes 13 close to the main pipe 11 and the collecting pipe 61, the second reversing valves 62 are connected with a PLC controller 72, and are used for controlling the switching of the main pipe 11 and the collecting pipe 61 through the PLC controller 72, the branch pipes 13 are communicated with the main pipe 11 in a normal state, and when the liquid level detection signal detects that the liquid level of paint in the branch blowing pipes 23 is smaller than the liquid level height set by the upper computer 71, the PLC controller 72 switches the flow direction of the second reversing valves 62 so that the branch pipes 13 are communicated with the collecting pipe 61.
When the paint level sensor 25 detects that the paint level in the branch pipeline 13 is smaller than the level height set by the upper computer 71, the PLC 72 enables the branch pipeline 13 to be communicated with the collecting pipe 61, and at the moment, in a primary cleaning process, the organic solvent cleaned by the branch pipeline 13 can flow into the collecting pipe 61 through the second reversing valve 62, so that a concentrated collection effect is realized on the waste liquid in the primary cleaning process.
Referring to fig. 1, the secondary cleaning module 4 includes a secondary cleaning pipe 41 and a first reversing valve 42, one end of the secondary cleaning pipe 41 is communicated with a water source and is used for water delivery, and the other end of the secondary cleaning pipe 41 is communicated with one end of the main air blowing pipe 21, which is close to the sub air blowing pipe 23; the first reversing valve 42 is installed at the communication position between one end of the main air blowing pipe 21, which is close to the branch air blowing pipe 23, and the secondary cleaning pipe 41, and the first reversing valve 42 is communicated with the PLC controller 72, and is used for controlling the switching between the main air blowing pipe 21 and the secondary cleaning pipe 41 through the PLC controller 72, when the liquid level detection signal detects that the liquid level of the paint in the branch air blowing pipe 23 is smaller than the liquid level height set by the upper computer 71, the PLC controller 72 can switch the circulation direction of the second reversing valve 62, so that the branch air blowing pipe 23 is communicated with the main air blowing pipe 21.
In the paint back blowing process and the primary cleaning process, the PLC 72 enables the branch air blowing pipe 23 to be communicated with the main air blowing pipe 21; after the primary cleaning is finished, the PLC controller 72 communicates the branch air blowing pipe 23 with the secondary cleaning pipe 41, at this time, water enters the branch air blowing pipe 23 along the secondary cleaning pipe 41, flows into the original branch pipe 13 along the branch air blowing pipe 23, and cleans the organic solvent remained in the branch pipe 13, thereby realizing the secondary cleaning process of the branch pipe 13. In the secondary washing process, the waste liquid generated after the washing of the water diversion pipeline 13 flows into the collecting pipe 61 for centralized collection.
Referring to fig. 1, the blow-drying module 5 includes a temperature sensor 51, a humidity sensor 52 and a heating part 53, wherein the temperature sensor 51 is installed at one end of the main air blowing pipe 21 close to the air source, the temperature sensor 51 is used for detecting the temperature of the air in the main air blowing pipe 21 and outputting a temperature detection signal, the temperature sensor 51 is connected with the PLC controller 72, the heating part 53 is an electric heater, and when the temperature detection signal is greater than the temperature value set by the upper computer 71, the PLC controller 72 controls the electric heater to be turned off; the number of the humidity sensors 52 is the same as that of the branch pipelines 13, and the humidity sensors 52 are arranged in one-to-one correspondence with the branch pipelines 13, the humidity sensors 52 are installed in one end, close to the main pipeline 11, of the corresponding branch pipelines 13, the humidity sensors 52 are used for detecting humidity in the branch pipelines 13 and outputting humidity detection signals, the main switch valve 22 responds to the humidity detection signals through the PLC controller 72, and when the humidity detection signals are smaller than the humidity value set by the upper computer 71, the PLC controller 72 controls the main switch valve 22 and the first switch valve 24 to be closed.
After the secondary cleaning is finished, the PLC 72 enables the branch air blowing pipe 23 to be communicated with the main air blowing pipe 21, the electric heater can heat the gas in the main air blowing pipe 21, the heated gas can enter the branch pipeline 13 from the main air blowing pipe 21, the moisture in the branch pipeline 13 is dried, and at the moment, the temperature sensor 51 detects the temperature of the gas in the branch pipeline 13 to avoid the excessive temperature in the branch pipeline 13; meanwhile, the humidity sensor 52 detects the humidity in the split pipeline 13, and when the humidity detection signal is smaller than the humidity value set by the upper computer 71, the PLC 72 controls the main switch valve 22 and the first switch valve 24 to be closed, so that the whole cleaning process of the split pipeline 13 is completed.
Referring to fig. 1, the regulation module 7 further includes a first timer and a second timer, both of which are connected to the upper computer 71, and the upper computer 71 is configured to set a primary cleaning time for the first timer and a secondary cleaning time for the second timer; the first timer and the second timer are both connected with the PLC controller 72, after the second switching valve 32 is opened, the first timer starts to count, and when the count time of the first timer is equal to the primary cleaning time set by the upper computer 71, the PLC controller 72 controls the main switching valve 22 and the second switching valve 32 to be closed, and simultaneously, the PLC controller 72 switches the flow direction of the second reversing valve 62, so that the air distributing and blowing pipe 23 is communicated with the second cleaning pipe; at this time, the second timer starts counting, and when the second timer and the counted time are equal to the secondary cleaning time set by the upper computer 71, the PLC controller 72 switches the flow direction of the second reversing valve 62 again, so that the gas distributing and blowing pipe 23 is communicated with the main gas blowing pipe 21, and the PLC controller 72 controls the heating section 53 to be turned on.
When the branch pipeline 13 is cleaned, the primary cleaning time and the secondary cleaning time of the branch pipeline 13 are set through the upper computer 71, after the second switch valve 32 is opened, the organic solvent performs primary cleaning in the branch pipeline 13, at this time, the first timer controls the time of the primary cleaning process, when the time of the primary cleaning process is equal to the primary cleaning time set by the upper computer 71, the PLC controller 72 controls the main switch valve 22 and the second switch valve 32 to be closed, the primary cleaning process is finished, meanwhile, the PLC controller 72 switches the flow direction of the second reversing valve 62 to enable the branch air blowing pipe 23 to be communicated with the second cleaning pipe, the water performs secondary cleaning in the branch pipeline 13, when the time of the secondary cleaning process is equal to the secondary cleaning time set by the upper computer 71, the PLC controller 72 switches the flow direction of the second reversing valve 62 again to enable the branch air blowing pipe 23 to be communicated with the main air blowing pipe 21, and the PLC controller 72 controls the heating part 53 to be opened, at this time, and the secondary cleaning process is finished, and the module 5 starts to blow-dry the inside the branch pipeline 13.
The embodiment of the application discloses a paint quick color changing system of a multi-pipeline distribution station, which comprises the following implementation principles: when the color is changed, paint with different colors is input into the other main pipeline 11 through the regulating and controlling module 7, and simultaneously, the paint back-blowing module inputs gas into the original branch pipeline 13, so that the paint in the branch pipeline 13 is back-blown into the original main pipeline 11; after the back blowing is finished, the primary cleaning module 3 simultaneously inputs gas and organic solvent into the original branch pipeline 13, and the organic solvent after mixing the gas dissolves and cleans the paint remained on the inner wall of the branch pipeline 13; after the primary cleaning is finished, the secondary cleaning module 4 is used for carrying out secondary cleaning on the water input into the original branch pipeline 13, and the residual organic solvent in the branch pipeline 13 is cleaned; the waste liquid discharged in the primary cleaning process and the secondary cleaning process is collected intensively through a waste liquid collecting module 6; after the secondary cleaning is finished, the drying module 5 is used for drying the original gas input into the branch pipeline 13, so that the branch pipeline 13 is kept dry, the branch pipeline 13 can be cleaned, the spray gun 141 can be continuously sprayed after color change in the cleaning process, the color change time is effectively shortened, and the color change efficiency is improved.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (4)
1. The paint quick color changing system of the multi-pipeline distribution station is characterized by comprising a paint supply module (1), wherein the paint supply module (1) comprises a distribution station (12), a color changing valve (14), at least two main pipelines (11) arranged on the distribution station (12) and a plurality of branch pipelines (13) with one ends arranged on the color changing valve (14) and the other ends respectively communicated with each main pipeline (11), and spray guns (141) are arranged on the color changing valve (14); further comprises:
the paint recovery module (2) is connected with each branch pipeline (13) and is used for outputting gas after color change and blowing the paint in the branch pipelines (13) back into the corresponding main pipeline (11);
The primary cleaning module (3) is connected with each branch pipeline (13) and is used for simultaneously outputting gas and organic solvent after paint is recovered and cleaning the branch pipelines (13);
the secondary cleaning module (4) is connected to each branch pipeline (13) and is used for outputting water and cleaning the branch pipelines (13);
the blow-drying module (5) is connected with each branch pipeline (13) and is used for outputting gas after secondary cleaning and blow-drying the branch pipelines (13);
the waste liquid collecting module (6) is connected with each branch pipeline (13) and is used for receiving waste liquid discharged in the cleaning process of the primary cleaning module (3) and the secondary cleaning module (4);
The regulation and control module (7) is used for controlling the working states of the paint supply module (1), the paint recovery module (2), the primary cleaning module (3), the secondary cleaning module (4) and the waste liquid collection module (6);
the paint recovery module (2) comprises:
one end of the main air blowing pipe (21) is communicated with an air source and is used for air transmission;
one end of each branch air blowing pipe (23) is respectively communicated with one end of each branch pipeline (13) close to the color changing valve (14), and the other end is communicated with the main air blowing pipe (21);
The first switch valves (24) are respectively arranged at one end of each branch air blowing pipe (23) close to the branch pipeline (13) and are connected with the regulating and controlling module (7) for controlling the opening and closing of the first switch valves through the regulating and controlling module (7);
the paint liquid level sensors (25) are arranged at one end, close to the main pipeline (11), of the branch pipeline (13) in a one-to-one correspondence manner, are used for detecting the paint amount in the corresponding branch pipeline (13) and outputting a liquid level detection signal;
The regulation and control module (7) responds to the liquid level detection signal and is used for controlling the first cleaning module to clean the split pipeline (13) according to the liquid level detection signal;
the primary cleaning module (3) comprises:
A primary cleaning pipe (31), one end of which is communicated with the organic solvent, and the other end of which is communicated with the main air blowing pipe (21);
The second switch valve (32) is arranged at one end of the primary cleaning pipe (31) close to the main air blowing pipe (21), is connected with the regulation and control module (7) and is used for controlling the on-off of the primary cleaning pipe through the regulation and control module (7);
The first proportional valve (33) is arranged at one end of the main air blowing pipe (21) close to the air source, is connected with the regulating and controlling module (7) and is used for controlling the opening degree of the main air blowing pipe through the regulating and controlling module (7);
the second proportional valve (34) is arranged on the primary cleaning pipe (31) and connected with the regulating and controlling module (7) and is used for controlling the opening degree of the second proportional valve through the regulating and controlling module (7);
the secondary cleaning module (4) comprises:
a secondary cleaning pipe (41) with one end connected to the water source and used for delivering water after primary cleaning;
the first reversing valve (42) is arranged at one end of the main air blowing pipe (21) close to the branch air blowing pipe (23), is communicated with the secondary cleaning pipe (41), is connected to the regulating and controlling module (7), and is used for controlling the switching of the main air blowing pipe (21) and the secondary cleaning pipe (41) through the regulating and controlling module (7);
the waste liquid collection module (6) comprises:
One end of the collecting pipe (61) is respectively communicated with one end of each branch pipeline (13) close to the main pipeline (11);
The second reversing valves (62) are arranged at one end of each branch pipeline (13) close to the main pipeline (11), are communicated with the collecting pipes (61), are connected to the regulating and controlling module (7), and are used for controlling the switching between the main pipeline (11) and the collecting pipes (61) through the regulating and controlling module (7).
2. A paint quick change system of a multi-line dispensing station according to claim 1, wherein the blow-dry module (5) comprises:
a temperature sensor (51) which is arranged at one end of the main air blowing pipe (21) close to the air source and is used for detecting the temperature in the main air blowing pipe (21) and outputting a temperature detection signal;
the heating part (53) is connected with the regulating and controlling module (7) and is used for controlling the opening and closing of the heating part through the regulating and controlling module (7) in response to the temperature detection signal;
The humidity sensor (52) is arranged at one end, close to the main pipeline (11), of the branch pipeline (13) and is used for detecting the humidity in the branch pipeline (13) and outputting a humidity detection signal;
The paint recovery module (2) further comprises:
The main switch valve (22) is arranged on the main air blowing pipe (21), connected to the regulation and control module (7), responds to the humidity detection signal and is used for controlling the opening and closing of the main switch valve through the regulation and control module (7).
3. A paint quick change system of a multi-pipeline distribution station according to claim 1, characterized in that the regulation module (7) comprises:
the upper computer (71) is used for sending control commands to enable different main pipelines (11) to supply paint when changing colors;
The PLC (72) is connected to the upper computer (71) and used for controlling the working states of the paint supply module (1), the paint recovery module (2), the primary cleaning module (3), the secondary cleaning module (4) and the waste liquid collection module (6) according to the control command of the upper computer (71).
4. A paint quick change system of a multi-pipeline distribution station according to claim 3, characterized in that said regulation module (7) further comprises:
the first timer is connected with the PLC (72) and the upper computer (71) and is used for enabling the PLC (72) to control the cleaning time of the first cleaning module split pipeline (13) according to the primary cleaning time set by the upper computer (71);
And the second timer is connected with the PLC (72) and the upper computer (71) and is used for enabling the PLC (72) to control the cleaning time of the second cleaning module to the split pipeline (13) according to the secondary cleaning time set by the upper computer (71).
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| CN118371404B (en) * | 2024-06-21 | 2024-09-24 | 中涂设备有限公司 | Quick color-changing quantitative spraying system and method |
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| CN212791570U (en) * | 2020-07-27 | 2021-03-26 | 杭州光能荣能汽车配件有限公司 | Automatic ball quick color changing system of walking of application |
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| KR102024143B1 (en) * | 2016-01-29 | 2019-09-23 | 배문길 | Method of recycling the solvent for washing paint remaining in the paint manufacturing line |
| CN111921734B (en) * | 2020-08-28 | 2023-11-28 | 深圳远荣智能制造股份有限公司 | Fluid pipeline paint supply system and method for automatic color-changing metering spraying |
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