CN114592163A - Integrated electric arc spraying system - Google Patents
Integrated electric arc spraying system Download PDFInfo
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- CN114592163A CN114592163A CN202210207898.4A CN202210207898A CN114592163A CN 114592163 A CN114592163 A CN 114592163A CN 202210207898 A CN202210207898 A CN 202210207898A CN 114592163 A CN114592163 A CN 114592163A
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- 238000005507 spraying Methods 0.000 title claims abstract description 164
- 238000010891 electric arc Methods 0.000 title claims abstract description 9
- 239000007921 spray Substances 0.000 claims abstract description 65
- 238000001514 detection method Methods 0.000 claims abstract description 53
- 239000000428 dust Substances 0.000 claims abstract description 39
- 238000012545 processing Methods 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 24
- 229910052802 copper Inorganic materials 0.000 claims description 24
- 239000010949 copper Substances 0.000 claims description 24
- 230000002441 reversible effect Effects 0.000 claims description 18
- 230000005856 abnormality Effects 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 11
- 230000002159 abnormal effect Effects 0.000 claims description 9
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- QZLJNVMRJXHARQ-UHFFFAOYSA-N [Zr].[Cr].[Cu] Chemical compound [Zr].[Cr].[Cu] QZLJNVMRJXHARQ-UHFFFAOYSA-N 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 238000000576 coating method Methods 0.000 abstract description 11
- 239000011248 coating agent Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 18
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 230000001502 supplementing effect Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000002923 metal particle Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- 239000010891 toxic waste Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/131—Wire arc spraying
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
An integrated electric arc spraying system comprises a spraying room, a processing unit, a control unit, a feeding power unit and a detection unit, wherein the processing unit is arranged in the spraying room and comprises a workpiece rotary table, a mechanical arm, a spraying spray gun and a dust hood, the dust hood is communicated with a dust removal device outside the spraying room, the workpiece rotary table is used for fixing a workpiece, the spraying spray gun is arranged on the mechanical arm, and the mechanical arm drives the spraying spray gun to spray the workpiece on the rotary table; the control unit is arranged outside the spraying room, controls the starting and stopping of each component, receives a detection signal sent by the detection unit, judges the abnormity of the signal, and controls the starting and stopping of the equipment according to a set starting and stopping sequence; the feeding power unit comprises a power source component, a feeding mechanism and a cable component, and the power source component and the feeding mechanism are connected with the mechanical arm and the spray gun through the cable component; the stability of spraying is increased through the nozzle on the spraying spray gun and the cable that uses to guarantee to stably send a silk through sending the silk wheel, further promote the spraying stable, guarantee that the coating is even.
Description
Technical Field
The invention relates to the field of spraying, in particular to an integrated electric arc spraying system.
Background
With the development of society and the progress of times, the development of the process field is accelerated. The spraying industry is particularly prominent in the traditional processing and manufacturing industry, the traditional spraying needs manual operation, the requirement on the skills of professionals is strict, and the spraying quality of elements is completely determined by the technical experience of the professionals; degree of automation is very weak, the cost of labor is high, traditional spraying shower nozzle is along with the increase of number of times of use and year, the meticulous degree that leads to coating surface preparation easily is not enough, influence spraying effect, the shower nozzle spun is metal ion, the shower nozzle is very easily worn and torn, lead to its increase of changing the degree of difficulty, the surface of shower nozzle is to contact high temperature moreover, and it is overheated to lead to the shower nozzle easily, shut down very easily and seriously influence spraying efficiency, the life of shower nozzle is shorter, these problems all are the problem of treating urgently.
Disclosure of Invention
In order to solve the technical problem, the invention discloses an electric arc spraying system, which comprises a spraying room, a processing unit, a control unit, a feeding power unit and a detection unit, wherein:
the detection units are respectively arranged on the processing unit and the feeding power unit and send signals;
the processing unit is arranged in the spraying room and comprises a workpiece rotating table, a mechanical arm, a spraying spray gun and a dust hood, the dust hood is arranged on the inner wall of one side of the spraying room and is communicated with a dust removal device outside the spraying room through a pipeline, the workpiece rotating table is used for fixing a workpiece and is arranged between the dust hood and the mechanical arm, the spraying spray gun is arranged on the mechanical arm, and the mechanical arm drives the spraying spray gun to spray the workpiece on the rotating table;
the control unit is arranged outside the spraying room, is in signal connection with the processing unit, the feeding power unit and the detection unit, controls the start and stop of each component, receives detection signals sent by the detection unit, processes the received signals, judges the abnormity of the signals, and controls the start and stop of the equipment according to a set start and stop sequence;
the feeding power unit is arranged outside the spraying room and comprises a power source component, a feeding mechanism and a cable component, and the power source component and the feeding mechanism are connected with the mechanical arm and the spraying spray gun through the cable component.
Furthermore, the detection units are respectively arranged on the workpiece rotary table, the mechanical arm and the spraying spray gun and in a pipeline of the dust removal device, which is connected with the dust hood.
Furthermore, a first sliding door and a second sliding door are arranged on the side wall of the spraying room, which is not provided with the dust hood, an air supply opening is arranged at the top of the spraying room, and the air supply opening is arranged behind the mechanical arm.
Further, the control unit comprises a master control device and a mechanical arm control device, the master control device controls start and stop modes of the workpiece rotary table, the mechanical arm, the first sliding door of the spraying spray gun, the second sliding door, the dust removal device and the air supply opening, the mechanical arm control device controls a motion track of the mechanical arm, the control unit further comprises a touch screen terminal, the touch screen terminal is respectively connected with the master control device and the mechanical arm control device, displays the running state and parameters of each device and adjusts the state and parameters of the devices controlled by the master control device and the mechanical arm control device, the abnormality detection control module comprises an abnormality determination part and an abnormality control part, the abnormality determination part collects signals of the detection unit at preset sampling intervals in a set time period and accumulates the collected signals, and determines whether the corresponding devices are abnormal or not based on the obtained signals of the detection unit, and the abnormal control part controls the abnormal equipment to stop and controls the other equipment to start and stop according to the set start-stop sequence.
Further, the cable subassembly includes power cable, compressed air hose and control cable, install twist-lock formula joint connection to power source subassembly on the power cable, and be connected with each equipment, connect quick disconnect coupling to power source subassembly on the compressed air hose, and be connected with the spraying spray gun, the control cable is connected the control unit with the control part of each equipment.
Furthermore, the feeding power unit also comprises a movable assembling device, and the power source assembly and the feeding mechanism are assembled on the movable assembling device.
Furthermore, the spraying spray gun is connected through an air cooling cable, a nozzle part of the spraying spray gun is a conductive copper nozzle, and the conductive copper nozzle is made of hard wear-resistant copper alloy.
Further, the hard wear-resistant copper alloy comprises the following components: chromium zirconium copper.
Furthermore, a voltage detection device is arranged on the spraying spray gun, the voltage detection device is electrically connected or in signal connection with a detection unit, and the detection unit controls the air cooling cable to be powered on/off through a control unit according to the result obtained by the voltage detection device.
Furthermore, the spraying spray gun further comprises a reversible V-shaped groove wire feeding wheel, the reversible V-shaped groove wire feeding wheel is arranged at the conductive copper nozzle medicine feeding end and is of an annular structure with thickness, two or more than two notches are formed in the curved surface of the reversible V-shaped groove wire feeding wheel, V-shaped teeth are fully distributed on two opposite walls of each notch, and a through groove is formed in the inner annular surface of the reversible V-shaped groove wire feeding wheel along the axial direction of the wheel body.
Advantageous effects
Compared with the prior art, the invention has the beneficial effects that: the conductive copper nozzle used in the invention can improve the fineness of the coating surface preparation, improve the spraying efficiency and simultaneously facilitate the replacement of the spray head; by adopting the combined action of the spraying spray gun and the cold-air cable, the spraying effect during spraying can be effectively ensured, the spray head is prevented from being overheated, the single spraying time of the spray head is prolonged, the shutdown times and time are reduced, and the service life of the spray head can be effectively prolonged; the stable supply of metal explosive wires can be ensured through the wire feeding roller, and the stable spraying effect is further improved.
Drawings
FIG. 1 is a schematic diagram of an integrated arc spraying system according to the present invention;
FIG. 2 is a second schematic structural diagram of an integrated arc spraying system according to the present invention;
FIG. 3 is a schematic structural view of a feeding power unit and a processing unit according to the present invention;
FIG. 4 is a schematic structural view of the cable assembly of the present invention;
FIG. 5 is a schematic view of the spray gun of the present invention;
fig. 6 is a schematic structural view of the reversible V-groove wire feeding wheel of the present invention.
Legend: 1. a spraying room; 11. a first sliding door; 12. a second sliding door; 13. an air supply opening; 2. a processing unit; 21. a working turntable; 22. a mechanical arm; 23. a dust hood; 24. spraying a spray gun; 241. a conductive copper nozzle; 242. a voltage detection device; 243. a reversible V-shaped groove wire feeding wheel; 3. a control unit; 31. a master control device; 32. a robot arm control device; 33. a touch screen terminal; 4. a feeding power unit; 41. a power source assembly; 42. a feeding mechanism; 43. a cable assembly; 431. a power cable; 432. a compressed air hose; 433. a control cable; 44. moving the assembly device; 5. a detection unit; 6. a dust removal device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, the invention discloses an electric arc spraying system, which comprises a spraying room 1, a processing unit 2, a control unit 3, a feeding power unit 4 and a detection unit 5, wherein:
the detection units 5 are provided with a plurality of groups, the detection units 5 are respectively arranged on the processing unit 2 and the feeding power unit 4 and send signals, and during working, the detection units 5 can detect the working states of the processing unit 2 and the feeding power unit 4 and send the obtained starting and stopping states to the control unit 3 in a signal form, so that the subsequent spraying work is controlled to be carried out safely and orderly.
The processing unit 2 is arranged in the spraying room 1 and comprises a workpiece rotary table 21, a mechanical arm 22, a spraying spray gun 24 and a dust hood 23, the dust hood 23 is arranged on the inner wall of one side of the spraying room 1 and is communicated with a dust removal device 6 outside the spraying room 1 through a pipeline, the workpiece rotary table 21 is used for fixing a workpiece and is arranged between the dust hood 23 and the mechanical arm 22, the spraying spray gun 24 is arranged on the mechanical arm 22, the mechanical arm 22 drives the spraying spray gun 24 to spray the workpiece on the rotary table 21, the processing unit 2 is used for main spraying work in a spraying system, specifically, when the processing unit works, the workpiece is fixed on the workpiece rotary table 21, the spraying spray gun 24 starts to spray the workpiece after the dust removal device 6 is started, and the workpiece is driven by the mechanical arm 22 and rotates through the workpiece rotary table 21, so that the coating sprayed on the workpiece is more uniform, and the situation that the workpiece is not sprayed is effectively avoided, the spraying quality is guaranteed, meanwhile, when spraying is conducted, redundant coatings which are not sprayed on a workpiece can be collected by the dust collection device 6 through the dust hood 23, toxic waste gas is prevented from being discharged to the living environment in the spraying process, preferably, the dust collection device 6 can conduct dust collection work in a wet dust collection mode, a water storage tank and a water volume water pressure alarm device are arranged, toxic waste gas is further reduced through circulating water, and the dust collection device 6 can be guaranteed to be in a normal working state; the mechanical arm 22 can be a four-axis or more-axis mechanical arm, ensuring that the workpiece can be sprayed comprehensively, and in addition, the rotation speed and the rotation direction of the turntable are coordinated and controlled by the mechanical arm, so that the stable and comprehensive spraying performance of the spraying process is further improved.
The control unit 3 sets up in spraying room 1 outside, and with processing unit 2, pay-off power pack 4 and the 5 signal connection of detecting element, control opening of each subassembly and stop, and receive the detected signal that detecting element 5 sent, handle received signal, judge the anomaly of signal, open according to the setting and stop the order controlgear and open and stop, through the control of control unit 3 to each unit module, can guarantee the normal clear of spraying work, and guarantee in-process in time shut down after breaking down, can not take place follow-up dangerous explosion or toxic gas diffusion danger.
As shown in fig. 3, the feeding power unit 4 is disposed outside the spraying room 1, and includes a power source assembly 41, a feeding mechanism 42, and a cable assembly 43, the power source assembly 41 and the feeding mechanism 42 are connected to the mechanical arm 22 and the spraying gun 24 through the cable assembly 43, so as to ensure normal power supply and air supply of the mechanical arm 22 and the spraying gun 24, and the feeding mechanism 42 ensures normal supply of the powder during spraying, ensures the amount of the powder required during spraying, and ensures uniformity of the coating on the workpiece.
The detection units 5 are respectively arranged on the workpiece rotary table 21, the mechanical arm 22 and the spraying spray gun 24 and in a pipeline of the dust removal device 6 connected with the dust hood 23, and through the arranged positions, when the spraying system works, the working state of each component can be more accurately determined when the system works, and when a fault occurs, the fault position can be accurately determined.
The side wall of the spraying room 1 without the dust hood 23 is provided with a first sliding door 11 and a second sliding door 12, the top of the spraying room is provided with an air supplementing opening 13, the air supplementing opening 13 is arranged behind a mechanical arm 22, the first sliding door 11 and the second sliding door 12 are mainly used for carrying workpieces and overhauling after equipment failure, when the equipment stops working, the workpieces need to be carried into or out of the spraying room 1, the wider first sliding door 11 is used, and when the mechanical equipment fails and personnel need to enter for overhauling, the workpieces enter and exit through the narrower second sliding door 12, so that the first sliding door 11 can be arranged on the side surfaces of the mechanical arm 22 and a workpiece rotary table 21, the second sliding door 12 is arranged at the rear position of the mechanical arm 22, and meanwhile, through the arrangement of the air supplementing opening 13 and the air supplementing opening 13, more spraying particles can be sucked into the dust hood 23, and the pollution degree of the air environment behind the mechanical arm 22 is ensured to be the lowest state, therefore, when workers enter the spraying room 1 from the second sliding door 12 for maintenance, no toxic gas is emitted, and the safety of the workers entering the spraying room 1 is ensured; specifically, the first sliding door 11 and the second sliding door 12 are provided with safety switches, if the doors are opened in the spraying process, the switches automatically stop the system to close the spraying to further improve the safety, the doors are provided with observation windows for observing the spraying state of the workpiece in the spraying room 1, and in addition, the air inlet set is arranged on the air supply port 13 to further ensure the requirement of air inflow and collect the spraying particles; in order to ensure the safety of the spraying house 1, the inner surface and the outer surface are subjected to high-temperature 220 ℃ plastic spraying treatment.
The control unit 3 comprises a master control device 31 and a mechanical arm control device 32, the master control device 31 controls a workpiece rotary table 21, a mechanical arm 22, a spraying spray gun 24, a first sliding door 11, a second sliding door 12, a dust removal device 6 and an air supplementing port 13 to be started and stopped, the mechanical arm control device 32 controls the movement track of the mechanical arm 22, the master control device 31 controls the starting and stopping of the components, the spraying work can be correctly carried out according to the flow, meanwhile, accidents can be effectively avoided when the system breaks down due to the control of the starting and stopping, the mechanical arm control device 32 controls the mechanical arm 22 to ensure that the mechanical arm can comprehensively spray workpieces during spraying, position leakage spraying on the workpieces can not occur, control programs can be edited, different spraying tracks can be implemented according to different workpieces, and the uniformity of coatings on the workpieces can be ensured.
The control unit 3 further comprises a touch screen terminal 33, the touch screen terminal 33 is respectively connected with the master control device 31 and the mechanical arm control device 32, the running state and parameters of each device are displayed, the device controlled by the master control device 31 and the mechanical arm control device 32 is adjusted in state and parameters, workers can conveniently know the spraying state of a workpiece and the working state of each device, if abnormal, the machine can be manually stopped, accidents are prevented, meanwhile, parameters in the spraying process can be changed, such as voltage, gas spraying amount, spraying speed and the like, the motion track of the mechanical arm 22 is changed, and the spraying quality is guaranteed.
In order to ensure the spraying efficiency and reduce the error judgment of the control program on the equipment failure, the general control device 31 comprises an abnormality detection control module, the abnormality detection control module comprises an abnormality determination part and an abnormality control part, the abnormality determination part collects the signals of the detection unit 5 at preset sampling intervals in a set time period and accumulates the collected signals, the obtained signals of the detection unit 5 are used for determining whether the corresponding equipment is abnormal or not, the abnormality control part controls the abnormal equipment to stop and controls the rest equipment to start and stop according to the set start-stop sequence, the abnormality determination part can set the number of the failure signals of each component or the type of the failure signals by the way of collecting the signals of the detection unit 5, and the shutdown operation occurs, particularly, if the failure signals with less air supply quantity occur when the spraying spray gun 24 generates spraying, the danger of the signals is lower and the influence on the spraying effect is smaller, meanwhile, the recovery can be tried through a control program, and when the signal appears for 5 times, the control equipment is stopped; if the signals that the wire feeding fault exists in the spraying spray gun 24 are collected, the signals have certain danger or influence the final spraying effect, the spraying spray gun can be shut down immediately after the signals are collected, the overall safety and reliability of the equipment are improved, the abnormal control part can also control the sequence of equipment stopping after the fault occurs, specifically, the ventilation and the power on are stopped, the spray gun stops working, the rotary table stops rotating, the mechanical arm stops working, and finally the dust removal system stops working as the sequence of equipment stopping working due to the danger of spraying environmental gas, so that the blowing dust removal system is shut down at last, and the safety of workers before entering the environment is ensured.
As shown in fig. 4, the cable assembly 43 includes a power cable 431, a compressed air hose 432 and a control cable 433, the power cable 431 is provided with a twist-lock type connector connected to the power source assembly and connected with each device, the compressed air hose 432 is connected with a quick-disconnect connector connected to the power source assembly and connected with the spraying gun, and the control cable connects the control unit with the control part of each device, so as to ensure normal power supply and air supply of the device during spraying and enable the device to be started and stopped during operation and failure.
The feeding power unit 4 further comprises a movable assembling device 44, and the power source assembly 41 and the feeding mechanism 42, i.e. a power supply trolley, are assembled on the movable assembling device 44, and the power supply trolley is arranged to be used for keeping the power source assembly 41 and the feeding mechanism 42 away from the spraying area, so that the movement in the working area is more convenient, and the power source assembly 41 is protected from the adverse field environment.
As shown in fig. 5, the spraying gun 24 is connected by an air-cooled cable, and the nozzle portion of the spraying gun 24 is a conductive copper nozzle 241, the conductive copper nozzle 241 is made of hard wear-resistant copper alloy, the conductive copper nozzle 241 is of an integral structure and is hollow inside, the tail portion is provided with threads for connecting with a conductive copper pipe, the nozzle is conical with an open top end, a cylinder is arranged between the tail portion and the nozzle, the bottom area of the cylinder is larger than that of the conical nozzle, the diameter of the open top end of the nozzle is larger than 2.5mm, the spraying gun feeds wires through a wire feeding wheel and guides the wires to pass through the conductive copper pipe and to be discharged from the open position of the conductive copper nozzle 241, the conical nozzle can effectively guide the wires to be fed to the open position at the top end, so as to avoid wire blockage and improve the stability of the wires in the spraying process, and the conductive copper nozzle 241 is connected with the conductive copper pipe through the threads at the tail portion, when the nozzle is added to work, the metal wire is melted by the electric arc at the opening position of the conductive copper nozzle 241 to form metal particles, meanwhile, the opening position jets out air flow at high speed while feeding wires to spray metal particles to a workpiece, specifically, 1.6-2.5mm of metal wire can be used, spraying is carried out under the current condition of 250-350A, the conical conductive copper nozzle 241 not only has the effect of guiding metal wires to avoid wire blockage, but also has better effect of converging air flow, the fineness of the surface preparation of the coating can be improved during spraying, so that the coating is more exquisite and uniformly sprayed on a workpiece, the spray gun used can be a supersonic electric arc spray gun, but meanwhile, in order to ensure the fine spraying effect, the cable does not generate large dragging force on the spray gun when the spray gun is displaced, and the cooling of the nozzle position is good so as to ensure the fine degree of spraying.
The conductive copper nozzle 241 made of the hard wear-resistant copper alloy material can improve the spraying efficiency and can change the nozzle more easily, the problems of nozzle wear and abrasion can be reduced due to the wear-resistant property of the hard wear-resistant copper alloy because metal particles are sprayed, and the defect that the nozzle is not easy to change after being worn is overcome.
However, the nozzle has requirements on traction force, can not be dragged to cause shaking, and has good cooling, in order to further ensure the cooling effect of the position of the spray head and the stability in spraying, the conductive copper pipe is used for increasing the distance between the conductive copper nozzle 241 and the mouth of the spray gun, after the length is increased, the heat dissipation performance of the position of the conductive copper nozzle of the spray gun is better, the coating quality and the reliability in spraying are increased, meanwhile, the air-cooled cable is connected with the air supply and power supply device and the spray gun, the air-cooled cable can have smaller mass compared with the traditional cable, the dragging force of the cable to the spray gun can be reduced, thereby the spray gun cannot shake due to the traction force of the cable, the spraying effect at the spray head is ensured by increasing the heat dissipation performance and the stability in spraying, and the cooling effect of the position of the nozzle is improved, thereby the spray gun spray head can be prevented from being overheated in the spraying process, thereby extension single spraying time reduces equipment and opens and stop the number of times, promotes the efficiency of spraying work, and through using the discovery in a large number, doing so can also prolong the life of shower nozzle, and is specific, and life has prolonged about 120%. Specifically, the hard wear-resistant copper alloy comprises the following components: the chromium zirconium copper has good electrical conductivity, thermal conductivity, high hardness, wear resistance and anti-explosion performance.
The spraying spray gun 24 is provided with the voltage detection device 242, the voltage detection device 242 is electrically or signal-connected with the detection unit 5, the detection unit 5 controls the on/off of the air-cooled cable through the control unit 3 according to the result obtained by the voltage detection device 242, because the state of the cable needs to be detected in the spraying process, the arrangement of the voltage detection device 242 on the spraying spray gun 24 is beneficial to improving the reliability and accurate diagnosis performance of the detected data when a longer cable is used, in particular, the problems of unstable voltage, increased resistance and the like caused by the fact that the cable is easy to generate heat at a certain position after the length of the cable is increased are solved, the detection difficulty on the whole cable is large, the data is inaccurate caused at a certain position of the cable, the subsequent spraying effect is poor, the voltage of the head part is changed into the voltage, and the spraying state can be continuously maintained as long as the detected voltage is stable, the voltage detection device 242 is connected to the detection unit 5 and the control unit 3 controls the stop of the discharge, thereby ensuring stable operation of the spraying operation.
As shown in fig. 6, in order to further ensure stable spraying and excellent spraying effect, the spraying gun 24 further includes a reversible V-shaped groove wire feeding wheel 243, the reversible V-shaped groove wire feeding wheel 243 is disposed at the feeding end of the conductive copper nozzle 241, the reversible V-shaped groove wire feeding wheel 243 is an annular structure with thickness, and two or more notches are disposed on the curved surface of the reversible V-shaped groove wire feeding wheel 243, the two opposite walls of the notch are fully provided with V-shaped teeth, a through groove is disposed on the inner annular surface of the reversible V-shaped groove wire feeding wheel 243 along the axial direction of the wheel body, the V-shaped groove is disposed on the wire feeding wheel, and the two opposite walls of the notch are fully provided with V-shaped teeth, when feeding wire, the metal wire is clamped by the V-shaped structure, so that the metal wire is prevented from slipping on the wire feeding wheel and causing unsatisfactory spraying effect, the stability of the wire feeding wheel during wire feeding can be improved, and the through key connection of the through groove disposed on the inner annular surface along the axial direction of the wheel body can realize the function of being reversible, further promote the stability of sending the silk volume, also can stably send the silk when can sending the medicine silk that reaches 20m simultaneously, can not take place to skid or send the silk volume not enough and send the too much problem of silk, and the key-type connection can make things convenient for the dismouting, send the stable effect of sending of silk wheel 243 stable in the spraying effect and reversible formula V type groove through the stable spraying effect that conductive copper mouth 241 and air cooling cable realized, further improve the stability of equipment when carrying out arc spraying, thereby guarantee the even of coating on the work piece.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious variations or modifications of the process variant belonging to the invention are within the scope of protection of the invention.
Claims (10)
1. An integrated electric arc spraying system, includes spray booth (1), its characterized in that, it still includes processing unit (2), control unit (3), pay-off power pack (4) and detecting element (5), wherein:
the detection units (5) are provided with a plurality of groups, and the detection units (5) are respectively arranged on the processing unit (2) and the feeding power unit (4) and send signals;
the processing unit (2) is arranged in the spraying room (1) and comprises a workpiece rotary table (21), a mechanical arm (22), a spraying spray gun (24) and a dust hood (23), the dust hood (23) is arranged on the inner wall of one side of the spraying room (1) and is communicated with a dust removal device (6) outside the spraying room (1) through a pipeline, the workpiece rotary table (21) is used for fixing a workpiece and is arranged between the dust hood (23) and the mechanical arm (22), the spraying spray gun (24) is arranged on the mechanical arm (22), and the mechanical arm (22) drives the spraying spray gun (24) to spray the workpiece on the rotary table (21);
the control unit (3) is arranged outside the spraying room (1), is in signal connection with the processing unit (2), the feeding power unit (4) and the detection unit (5), controls the starting and stopping of all components, receives detection signals sent by the detection unit (5), processes the received signals, judges the abnormity of the signals, and controls the starting and stopping of the equipment according to a set starting and stopping sequence;
the feeding power unit (4) is arranged outside the spraying room (1) and comprises a power source assembly (41), a feeding mechanism (42) and a cable assembly (43), and the power source assembly (41) and the feeding mechanism (42) are connected with the mechanical arm (22) and the spraying spray gun (24) through the cable assembly (43).
2. The integrated arc spraying system according to claim 1, characterized in that the detection units (5) are arranged on the workpiece turntable (21), the robot arm (22), the spray guns (24) and in the duct of the dust removal device (6) connected with the dust hood (23), respectively.
3. The integrated arc spraying system according to claim 1, wherein the side wall of the spraying room (1) not provided with the dust hood (23) is provided with a first sliding door (11) and a second sliding door (12), the top of the spraying room is provided with an air supply opening (13), and the air supply opening (13) is arranged behind the mechanical arm (22).
4. The integrated arc spraying system of claim 1, wherein the control unit (3) comprises a master control device (31) and a mechanical arm control device (32), the master control device (31) controls start and stop modes of the workpiece turntable (21), the mechanical arm (22), the spraying spray gun (24), the first sliding door (11), the second sliding door (12), the dust removal device (6) and the air supply opening (13), the mechanical arm control device (32) controls a motion track of the mechanical arm (22), the control unit (3) further comprises a touch screen terminal (33), the touch screen terminal (33) is respectively connected with the master control device (31) and the mechanical arm control device (32), displays operation states and parameters of the devices, and adjusts states and parameters of the devices controlled by the master control device (31) and the mechanical arm control device (32), the master control device comprises an abnormality detection control module, the abnormality detection control module comprises an abnormality determination part and an abnormality control part, the abnormality determination part collects signals of the detection unit (5) at preset sampling intervals in a set time period, accumulates the collected signals, determines whether the corresponding equipment is abnormal or not based on the obtained signals of the detection unit (5), and the abnormality control part controls the abnormal equipment to stop and controls the other equipment to start and stop according to a set start-stop sequence.
5. The integrated arc spraying system of claim 1, wherein the cable assembly (43) comprises a power cable (431) to which a twist-lock fitting is mounted to the power source assembly and to which the equipment is connected, a compressed air hose (432) to which a quick disconnect fitting is connected to the power source assembly and to the spray gun, and a control cable (433) connecting the control unit to the control portion of the equipment.
6. The integrated arc spraying system according to claim 1, wherein the feeding power unit (4) further comprises a moving assembly device (44), and the power source assembly (41) and the feeding mechanism (42) are assembled on the moving assembly device (44).
7. The integrated arc spraying system according to claim 1, wherein the spraying torches (24) are connected by an air-cooled cable, and a nozzle portion of the spraying torch (24) is a conductive copper nozzle (241), and the conductive copper nozzle (241) is made of hard wear-resistant copper alloy.
8. The integrated arc spraying system of claim 7 wherein the hard, wear-resistant copper alloy comprises: chromium zirconium copper.
9. The integrated arc spraying system according to claim 1, wherein a voltage detection device (242) is provided on the spray gun (24), the voltage detection device (242) is electrically or signally connected to the detection unit (5), and the detection unit (5) controls the air-cooling cable to be turned on/off through the control unit (3) according to the result obtained by the voltage detection device (242).
10. The integrated arc spraying system of claim 1, wherein the spray gun (24) further comprises a reversible V-shaped groove wire feeding wheel (243), the reversible V-shaped groove wire feeding wheel (243) is arranged at the feeding end of the conductive copper nozzle (241), the reversible V-shaped groove wire feeding wheel (243) is of an annular structure with thickness, two or more notches are arranged on the curved surface of the reversible V-shaped groove wire feeding wheel (243), the notches are fully distributed with V-shaped teeth on two opposite walls, and a through groove is formed in the inner annular surface of the reversible V-shaped groove wire feeding wheel (243) along the axial direction of the wheel body.
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| CN202210207898.4A CN114592163A (en) | 2022-03-03 | 2022-03-03 | Integrated electric arc spraying system |
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| CN202210207898.4A CN114592163A (en) | 2022-03-03 | 2022-03-03 | Integrated electric arc spraying system |
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Cited By (1)
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| CN117415837A (en) * | 2023-12-18 | 2024-01-19 | 沈阳和研科技股份有限公司 | Mechanical arm suitable for rapid sorting of devices and capable of generating heat in compact type with low friction |
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