CN112691866A - Electrostatic spraying method for aluminum alloy building profile powder coating - Google Patents
Electrostatic spraying method for aluminum alloy building profile powder coating Download PDFInfo
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- CN112691866A CN112691866A CN202011506624.2A CN202011506624A CN112691866A CN 112691866 A CN112691866 A CN 112691866A CN 202011506624 A CN202011506624 A CN 202011506624A CN 112691866 A CN112691866 A CN 112691866A
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- aluminum alloy
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- 238000007590 electrostatic spraying Methods 0.000 title claims abstract description 107
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 89
- 238000000576 coating method Methods 0.000 title claims abstract description 29
- 239000000843 powder Substances 0.000 title claims abstract description 28
- 239000011248 coating agent Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000005507 spraying Methods 0.000 claims abstract description 55
- 238000001035 drying Methods 0.000 claims abstract description 32
- 238000007605 air drying Methods 0.000 claims abstract description 5
- 238000005406 washing Methods 0.000 claims abstract description 4
- 238000004140 cleaning Methods 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 3
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- 239000002912 waste gas Substances 0.000 claims description 3
- 238000011068 loading method Methods 0.000 claims description 2
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- 230000005540 biological transmission Effects 0.000 claims 1
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
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- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000004482 other powder Substances 0.000 description 1
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- 238000005498 polishing Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
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- 239000004408 titanium dioxide Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
- B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
- B05D1/06—Applying particulate materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
- B05B13/0228—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts the movement of the objects being rotative
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
- B05B13/025—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts the objects or work being present in bulk
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/40—Construction elements specially adapted therefor, e.g. floors, walls or ceilings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/08—Plant for applying liquids or other fluent materials to objects
- B05B5/081—Plant for applying liquids or other fluent materials to objects specially adapted for treating particulate materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/08—Plant for applying liquids or other fluent materials to objects
- B05B5/082—Plant for applying liquids or other fluent materials to objects characterised by means for supporting, holding or conveying the objects
- B05B5/084—Plant for applying liquids or other fluent materials to objects characterised by means for supporting, holding or conveying the objects the objects lying on, or being supported above conveying means, e.g. conveyor belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2202/00—Metallic substrate
- B05D2202/20—Metallic substrate based on light metals
- B05D2202/25—Metallic substrate based on light metals based on Al
-
- 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
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Electrostatic Spraying Apparatus (AREA)
Abstract
The invention discloses an electrostatic spraying method of aluminum alloy building section powder coating, which comprises the following steps: arranging the spraying device; step two: washing the surface of the aluminum alloy section, and air-drying; step three: conveying the aluminum alloy section to one side of spraying equipment through a conveying device, starting the spraying equipment, and performing electrostatic spraying on the aluminum alloy section; step four: and starting the spraying equipment, moving the aluminum alloy section to the inside of the drying box, starting the drying box, drying the aluminum alloy section, and finally starting the conveyor belt to convey the aluminum alloy section out of the spraying equipment. The spraying equipment has higher automation and mechanization degree, can be used for simultaneously carrying out electrostatic spraying on a plurality of small aluminum alloy sections, can be used for assembling and disassembling the small aluminum alloy sections and the connector in the electrostatic spraying box through the feeder and the separator, and can be used for fixing the aluminum alloy sections from the inside through the supporting plates in the connector.
Description
Technical Field
The invention relates to the technical field of electrostatic spraying, in particular to an electrostatic spraying method of aluminum alloy building section powder coating.
Background
Electrostatic spraying refers to a coating method in which atomized coating is negatively charged under the action of a high-voltage direct-current electric field by utilizing a corona discharge principle and is adsorbed on the surface of a positively charged substrate for discharge. The electrostatic spraying equipment comprises a spray gun, a spray cup, an electrostatic spraying high-voltage power supply and the like. The application range of electrostatic spraying is gradually expanded, the electrostatic spraying technology can be adopted in the industries such as large-scale railway carriages, automobiles, tractors, small-sized workpieces, toys, household appliances and the like, the electrostatic spraying mode can be adopted for small-sized components in the production process of aluminum alloy building profiles, and various performances and service lives of the small-sized aluminum alloy components can be improved through the electrostatic spraying mode.
Chinese patent discloses a door and window aluminum profile surface powder electrostatic spraying method (publication number: CN109294413A), the raw materials of the patent comprise epoxy polyester electrostatic spraying plastic powder, epoxy polyester type powder coating and other powder coatings, the gas powder coating comprises linear saturated carboxyl polyester, epoxy resin, polystyrene, fluorinated polyether, titanium dioxide, precipitated barium sulfate, curing agent, leveling agent, isopropanol, flame retardant and coupling agent, the materials are rich and diversified, the aluminum profile is more attached, the holding time is long, the matching spraying effect is better, the spraying process is fine and easy to realize, and the method is based on the selected powder coating and carries out feeding through reasonable surface polishing, cleaning, air drying, passivation treatment, electrostatic spraying treatment, step-type baking and curing and other modes.
The mode of current spraying is comparatively single to spraying efficiency is relatively poor, adds man-hour to the component of a large amount, can lead to consuming time longer, and current spraying device's structure is comparatively single, and degree of automation and mechanization are relatively poor, lead to needing the staff to cooperate with the device for a long time.
Disclosure of Invention
In order to overcome the defects that the existing spraying mode is single, the spraying efficiency is poor, the time consumption is long when a large number of components are processed, the structure of the existing spraying device is single, the automation degree and the mechanization degree are poor, and the fact that workers need to be matched with the device for a long time is caused. The invention aims to provide an electrostatic spraying method of aluminum alloy building section powder coating.
The purpose of the invention can be realized by the following technical scheme:
an electrostatic spraying method of aluminum alloy building section powder coating comprises the following steps:
the method comprises the following steps: selecting powder coating with the particle size of 50-75 microns, putting the powder coating into a spraying tank, installing the spraying tank into a spraying device, connecting a discharge port of the spraying tank with a connecting box, and finally connecting an air outlet on the rear surface of an electrostatic spraying box and an air outlet of a connecting box on the upper surface of a drying box with a waste gas treatment system;
step two: washing the surface of the aluminum alloy section, and air-drying;
step three: conveying the aluminum alloy section to one side of spraying equipment through a conveying device, starting the spraying equipment, and performing electrostatic spraying on the aluminum alloy section;
the application method of the spraying equipment comprises the following steps:
s1: starting a third motor, driving a screw rod to rotate, driving a sliding block to move to the upper side of a conveying device loaded with the aluminum alloy section along a sliding groove, starting a first electric telescopic rod and a first clamping mechanical arm, clamping the aluminum alloy section, starting the first electric telescopic rod and the first clamping mechanical arm again, taking the aluminum alloy section down from the conveying device, starting the third motor again, moving the aluminum alloy section to the upper side of an opening in the upper surface of an electrostatic spraying box, starting the first electric telescopic rod, sleeving the aluminum alloy section to the outer side of a connector, starting the first clamping mechanical arm again, and loosening the aluminum alloy section;
s2: starting a first motor to drive a connecting gear to rotate, driving a second chain to rotate after the connecting gear rotates, synchronously driving a first chain to rotate through a connecting rod after the second chain rotates, rotating a connector for loading aluminum alloy sections from the lower side of an opening of an electrostatic spraying box, and rotating the other group of connectors to the lower side of the opening of the electrostatic spraying box;
s3: repeating the step of S1, mounting the aluminum alloy section on other connectors, starting a first motor, wherein the first motor drives a second chain, a connecting rod, the first chain and the connectors to rotate around a first supporting wheel and a second supporting wheel;
s4: starting a spray gun, spraying the aluminum alloy section, and moving all the connectors to the lower side of the separator after rotating for 3-4 circles along the working path;
step four: and starting the spraying equipment, moving the aluminum alloy section to the inside of the drying box, starting the drying box, drying the aluminum alloy section, and finally starting the conveyor belt to convey the aluminum alloy section out of the spraying equipment.
As a further scheme of the invention: the spraying equipment comprises a processing table, wherein a control console is installed on one side inside the processing table, a spraying tank is installed on the rear surface of the processing table, an electrostatic spraying box is fixedly connected to the upper surface of the processing table, an opening is formed in one side of the upper surface of the electrostatic spraying box, a feeder is fixedly connected to one side of the upper surface of the electrostatic spraying box and close to the upper side of the opening, a separator is fixedly connected to the other side of the upper surface of the electrostatic spraying box, the upper surface of the electrostatic spraying box is positioned between the feeder and the separator and is hinged with an inspection window through a hinge, an electrostatic spraying high-voltage power supply is embedded and connected to the lower side of the processing table, close to the electrostatic spraying box, a cleaning box is installed on one side of the processing table, close to the electrostatic spraying high-voltage power supply, the upper surface of the cleaning box is communicated with, the feed inlet of stoving case extends to the inside of electrostatic spraying case and is located the downside of separator, the conveyer belt is installed to the bottom of stoving incasement portion, the one end of conveyer belt extends to the outside of stoving case.
As a further scheme of the invention: the two sides of the interior of the electrostatic spraying box are fixedly connected with connecting boxes, the side surfaces of the connecting boxes are fixedly connected with a plurality of spray guns which are distributed at equal intervals, two groups of first supporting wheels are screwed on the upper sides of the two groups of connecting boxes in the electrostatic spraying box, two groups of second supporting wheels are screwed at the lower sides of the two groups of connecting boxes in the electrostatic spraying box, the four groups of first supporting wheels and the four groups of second supporting wheels are in one-to-one correspondence and are vertically distributed, a first chain is sleeved at the outer sides of the four groups of first supporting wheels, a second chain is sleeved at the outer sides of the four groups of second supporting wheels, a track plate is fixedly connected at the upper side of the interior of the electrostatic spraying box, which is close to the second chain, a plurality of connecting rods which are distributed at equal intervals are fixedly connected between the first chain and the first supporting wheel, the connector is installed to one side of connecting rod, the bottom of connector extends to the inside of track board.
As a further scheme of the invention: the connector establishes the connecting plate in the connecting rod outside including the cover, the inside rotation of connecting plate is connected with the rotation post, the embedded groove has been seted up to the upside that the inside just is located the connecting plate of rotation post, the inside middle part fixedly connected with inner panel of embedded groove, and the inside equal sliding connection in both sides that is close to the inner panel of embedded groove has the fagging, equal fixedly connected with a plurality of spring block between fagging and the inner panel.
As a further scheme of the invention: tooth's socket has been seted up to the inside of track board, the bottom fixedly connected with fixed gear of rotation post, the fixed gear embedding is in the inside of tooth's socket and is connected rather than the meshing, the lower fixed surface of electrostatic spraying case is connected with first motor, the output fixedly connected with connecting gear of first motor, connecting gear is connected with the outside meshing of second chain.
As a further scheme of the invention: the inside one end fixedly connected with seal box of electrostatic spraying incasement, it is connected with the baffle of the adjacent distribution of a plurality of, a plurality of to rotate between seal box and the electrostatic spraying incasement wall the one end of baffle all extends to the inside of seal box, the electrostatic spraying incasement lower surface is close to the downside of seal box and installs the fixation box, the inside fixedly connected with second motor of fixation box, the output of second motor is located through synchronous belt drive with each baffle between the inside one end of seal box and is connected, the inside one side fixedly connected with backing roll that is close to the second motor of fixation box, the backing roll is hugged closely in one side of synchronous belt.
As a further scheme of the invention: the inside both sides of stoving case all rotate and are connected with a plurality of link, and the top is a set of the link is located the downside of stoving case feed inlet, a plurality of the inside of link all rotates the commentaries on classics roller that is connected with the equidistance and distributes, and equal fixedly connected with reset spring between the both sides of link lower surface and the stoving incasement wall, stoving case side is close to the upside of conveyer belt and has seted up the air intake, and the internally mounted of air intake has the heating cabinet, the last fixed surface of stoving case is connected with the box that communicates, the internally mounted of box that communicates has a plurality of fan.
As a further scheme of the invention: the inside spout of having seted up the rectangle of feeder, and the inside one end fixedly connected with third motor that is close to the spout upside of feeder, the output of third motor passes through shaft coupling fixedly connected with screw rod, the one end and the feeder of screw rod rotate to be connected, and the outside threaded connection of screw rod has the sliding block, the bottom of sliding block extends to the downside and the first electric telescopic handle of fixedly connected with of spout, the first centre gripping manipulator of first electric telescopic handle's the first centre gripping of output fixedly connected with.
As a further scheme of the invention: the inside one end fixedly connected with second electric telescopic handle of separator, second electric telescopic handle's output fixedly connected with third electric telescopic handle, one side fixedly connected with second centre gripping manipulator of third electric telescopic handle output, third electric telescopic handle's output and second centre gripping manipulator all imbed in the inside of electrostatic spraying case.
As a further scheme of the invention: the inside both sides of cleaning box all fixedly connected with communicating pipe, the side of communicating pipe all installs a plurality of evenly distributed's high pressure sprinkler bead, the apopore is seted up to the inside bottom of cleaning box.
The invention has the beneficial effects that:
the spraying equipment has higher automation and mechanization degree, can carry out electrostatic spraying on a plurality of small aluminum alloy sections at the same time, can assemble and disassemble the small aluminum alloy sections and the connector in the electrostatic spraying box through the feeder and the separator, can fix the aluminum alloy sections from the inside through the supporting plate in the connector, and the connector moves along the track through two groups of chains, and when moving, the fixed gear at the bottom end of the connector can be meshed and connected with the track plate, so that the connector can rotate while moving, and the electrostatic spraying quality can be improved;
on the other hand, the moving component in the electrostatic spraying box is composed of two groups of chains and connecting rods, the shielding is small during spraying, meanwhile, the chains can be reinforced and limited through the four groups of supporting wheels, the stability during rotation of the chains is improved, meanwhile, the partition plate is arranged at the bottom end in the electrostatic spraying box, dust generated during spraying can be blocked, the partition plate can rotate, and the lower side of the partition plate is cleaned through the cleaning box in the device, so that a large amount of dust can be prevented from being accumulated;
the device is provided with the stoving case simultaneously, the aluminium alloy ex-trusions is after the spraying is accomplished, can remove the inside to the stoving case under the drive of separator, and the aluminium alloy ex-trusions can remove along the link in the inside of stoving case, the link passes through the commentaries on classics roller, frictional force when can reducing the section bar and remove, through reset spring, can be when aluminium alloy ex-trusions and link contact, carry out the shock attenuation to it, and the inside of stoving case is provided with hot-blast component, the air heats when the heating cabinet, and pass between each commentaries on classics roller, and discharge from the intercommunication box, hot-blast has great area of contact, thereby can improve drying quality.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is an external view of the present invention;
FIG. 2 is a side cross-sectional view of an electrostatic spray booth of the present invention;
FIG. 3 is a cross-sectional view of the connector of the present invention;
FIG. 4 is a cross-sectional view of a drying box according to the present invention;
FIG. 5 is a partial cross-sectional view of a feeder of the present invention;
FIG. 6 is a cross-sectional view of the separator of the present invention;
fig. 7 is a sectional view of the cleaning tank of the present invention.
In the figure: 1. a processing table; 2. a console; 3. spraying a tank; 4. an electrostatic spraying tank; 5. a feeder; 6. a separator; 7. electrostatic spraying high voltage power supply; 8. a cleaning tank; 9. a viewing window; 10. a drying box; 11. a conveyor belt; 12. a connection box; 13. a spray gun; 14. a first support wheel; 15. a first chain; 16. a second support wheel; 17. a second chain; 18. a connecting rod; 19. a connector; 20. a track plate; 21. a first motor; 22. a connecting gear; 23. a second motor; 24. a support roller; 25. a synchronous belt; 26. a sealing box; 27. a partition plate; 28. a connecting frame; 29. rotating the roller; 30. a return spring; 31. a heating box; 32. a communication box; 33. a fan; 34. a third motor; 35. a screw; 36. a slider; 37. a first electric telescopic rod; 38. a chute; 39. a first clamping manipulator; 40. a second electric telescopic rod; 41. a third electric telescopic rod; 42. a communicating pipe; 43. a high pressure water jet head; 44. a water outlet hole; 45. a second clamping manipulator; 191. a connecting plate; 192. rotating the column; 193. fixing a gear; 194. an inner plate; 195. a supporting plate; 196. and a spring block.
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,
referring to fig. 1-7, an electrostatic spraying method of powder coating for aluminum alloy architectural section comprises the following steps:
the method comprises the following steps: selecting powder coating with the particle size of 55 microns, putting the powder coating into a spraying tank 3, installing the spraying tank 3 into a spraying device, connecting a discharge port of the spraying tank 3 with a connecting box 12, and finally connecting an air outlet on the rear surface of an electrostatic spraying box 4 and an air outlet of a connecting box 32 on the upper surface of a drying box 10 with a waste gas treatment system;
step two: washing the surface of the aluminum alloy section, and air-drying;
step three: conveying the aluminum alloy section to one side of spraying equipment through a conveying device, starting the spraying equipment, and performing electrostatic spraying on the aluminum alloy section;
step four: starting the spraying equipment, moving the aluminum alloy section bar into the drying box 10, starting the drying box 10, drying the aluminum alloy section bar, finally starting the conveyor belt 11, conveying the aluminum alloy section bar out of the spraying equipment,
referring to fig. 1, the spraying apparatus includes a processing table 1, a console 2 is installed at one side inside the processing table 1, a spraying tank 3 is installed at the rear surface of the processing table 1, an electrostatic spraying tank 4 is fixedly connected to the upper surface of the processing table 1, an opening is opened at one side of the upper surface of the electrostatic spraying tank 4, a feeder 5 is fixedly connected to one side of the upper surface of the electrostatic spraying tank 4 and the upper side near the opening, a separator 6 is fixedly connected to the other side of the upper surface of the electrostatic spraying tank 4, an inspection window 9 is hinged between the feeder 5 and the separator 6 and located on the upper surface of the electrostatic spraying tank 4, an electrostatic spraying high-voltage power supply 7 is embedded and connected to the lower side of the processing table 1 near the electrostatic spraying tank 4, a cleaning tank 8 is installed at one side of the electrostatic spraying high-voltage power supply 7 inside the processing table 1, the upper surface of the cleaning tank 8 is, one side of processing platform 1 is provided with stoving case 10, and the feed inlet of stoving case 10 extends to the inside of electrostatic spraying case 4 and is located the downside of separator 6, and conveyer belt 11 is installed to the inside bottom of stoving case 10, and the one end of conveyer belt 11 extends to the outside of stoving case 10 to the one end that conveyer belt 11 is located the stoving case 10 outside is connected with the device in the next processing step, conveniently processes the aluminum alloy ex-trusions in succession.
Referring to fig. 2, both sides of the interior of the electrostatic spraying box 4 are fixedly connected with a connecting box 12, the sides of the connecting box 12 are fixedly connected with a plurality of spray guns 13 which are equidistantly distributed, the upper side of the interior of the electrostatic spraying box 4, which is close to two groups of connecting boxes 12, is respectively in threaded connection with two groups of first supporting wheels 14, the lower side of the interior of the electrostatic spraying box 4, which is close to two groups of connecting boxes 12, is in threaded connection with two groups of second supporting wheels 16, the four groups of first supporting wheels 14 and the four groups of second supporting wheels 16 are in one-to-one correspondence and are vertically distributed, the outer side of the four groups of first supporting wheels 14 is sleeved with a first chain 15, the outer side of the four groups of second supporting wheels 16 is sleeved with a second chain 17, the upper side of the interior of the electrostatic spraying box 4, which is close to the second chain 17, is fixedly connected with a plate 20, a plurality of connecting rods 18, the bottom of the connector 19 extends to the inside of the track plate 20, and the moving tracks and the moving speed of the two groups of chains are the same, so that the moving stability of the connector 19 is conveniently maintained.
Referring to fig. 3, the connector 19 includes a connecting plate 191 sleeved outside the connecting rod 18, a rotating column 192 is rotatably connected inside the connecting plate 191, an embedded slot is formed in the rotating column 192 and located on the upper side of the connecting plate 191, an inner plate 194 is fixedly connected to the middle portion inside the embedded slot, supporting plates 195 are slidably connected to both sides of the embedded slot close to the inner plate 194, a plurality of spring blocks 196 are fixedly connected between the supporting plates 195 and the inner plate 194, a tooth slot is formed in the track plate 20, a fixed gear 193 is fixedly connected to the bottom end of the rotating column 192, the fixed gear 193 is embedded in the tooth slot and engaged with the tooth slot, a first motor 21 is fixedly connected to the lower surface of the electrostatic spraying box 4, a connecting gear 22 is fixedly connected to the output end of the first motor 21, the connecting gear 22 is engaged with the outer side of the second chain 17, after the first motor 21, can drive rather than the chain rotation of being connected, this chain is in the rotation back, through connecting rod 18, can drive the chain of another group and rotate to connector 19 is located the inside of connecting rod 18, and connector 19 can avoid when removing to contact with chain and supporting wheel.
Inside one end fixedly connected with seal box 26 of electrostatic spraying case 4, it is connected with the baffle 27 of the adjacent distribution of a plurality of to rotate between seal box 26 and the 4 inner walls of electrostatic spraying case, the one end of a plurality of baffle 27 all extends to the inside of seal box 26, the lower surface of electrostatic spraying case 4 is close to the downside of seal box 26 and installs the cassette, the inside fixedly connected with second motor 23 of cassette, the output of second motor 23 and each baffle 27 are located and are connected through the drive of hold-in range 25 between the inside one end of seal box 26, the inside one side fixedly connected with backing roll 24 that is close to second motor 23 of cassette, backing roll 24 hugs closely in one side of hold-in range 25, through backing roll 24, can carry out the tensioning to hold-in range 25, prevent that the hold-in range 25 from appearing the.
Please refer to fig. 4, both sides of the inside of the drying box 10 are all rotatably connected with a plurality of connecting frames 28, a group of connecting frames 28 at the top are located at the lower side of the feeding port of the drying box 10, the inside of the plurality of connecting frames 28 is all rotatably connected with the rotating rollers 29 which are distributed at equal intervals, and the two sides of the lower surface of the connecting frames 28 and the inner wall of the drying box 10 are all fixedly connected with the return springs 30, the side of the drying box 10 is close to the upper side of the conveying belt 11 and is provided with an air inlet, the inside of the air inlet is provided with a heating box 31, the upper surface of the drying box 10 is fixedly connected with a communicating box 32, the inside of the communicating box 32 is provided with a plurality of fans 33, by arranging a plurality of fans 33.
Referring to fig. 5-6, a rectangular chute 38 is formed inside the feeder 5, a third motor 34 is fixedly connected to an end of the inside of the feeder 5 close to an upper side of the chute 38, an output end of the third motor 34 is fixedly connected to a screw 35 through a coupler, one end of the screw 35 is rotatably connected to the feeder 5, a sliding block 36 is threadedly connected to an outer side of the screw 35, a bottom end of the sliding block 36 extends to a lower side of the chute 38 and is fixedly connected to a first electric telescopic rod 37, an output end of the first electric telescopic rod 37 is fixedly connected to a first clamping manipulator 39, one end of the inside of the separator 6 is fixedly connected to a second electric telescopic rod 40, an output end of the second electric telescopic rod 40 is fixedly connected to a third electric telescopic rod 41, one side of the output end of the third electric telescopic rod 41 is fixedly connected to a second clamping manipulator 45, and both the output end of the third electric telescopic rod 41, the two groups of manipulators have the same structure and are of GRZ 20-20 models.
Referring to fig. 7, the communicating pipes 42 are fixedly connected to both sides of the interior of the clean box 8, the side surfaces of the communicating pipes 42 are respectively provided with a plurality of uniformly distributed high-pressure water spray heads 43, the bottom end of the interior of the clean box 8 is provided with a water outlet 44, and the type of the high-pressure water spray heads 43 is KC-057.
On the other hand, each motor of the device is provided with a locking and decelerating structure, and the details which are not described in detail in the specification belong to the prior art which is well known to those skilled in the art, and each electric part of the device is electrically connected with the console 2, and the working logic and the working sequence among the electric parts can be controlled by programming and manual work.
The working principle of the invention is as follows:
starting the third motor 34, driving the screw 35 to rotate, driving the sliding block 36 to move to the upper side of the conveying device loaded with the aluminum alloy section along the sliding groove 38, starting the first electric telescopic rod 37 and the first clamping mechanical hand 39 to clamp the aluminum alloy section, starting the first electric telescopic rod 37 and the first clamping mechanical hand 39 again, taking the aluminum alloy section down from the conveying device, starting the third motor 34 again, moving the aluminum alloy section to the upper side of the opening on the upper surface of the electrostatic spraying box 4, starting the first electric telescopic rod 37, sleeving the aluminum alloy section to the outer side of the connector 19, and starting the first clamping mechanical hand 39 again to loosen the aluminum alloy section;
starting a first motor 21 to drive a connecting gear 22 to rotate, driving a second chain 17 to rotate after the connecting gear 22 rotates, synchronously driving a first chain 15 to rotate through a connecting rod 18 after the second chain 17 rotates, rotating a connector 19 loaded with an aluminum alloy section away from the lower side of an opening of the electrostatic spraying box 4, and rotating the other group of connectors 19 to the lower side of the opening of the electrostatic spraying box 4;
installing the aluminum alloy section on the other connectors 19, starting the first motor 21, wherein the first motor 21 drives the second chain 17, the connecting rod 18, the first chain 15 and the connectors 19 to rotate around the first supporting wheel 14 and the second supporting wheel 16, and when the connectors 19 rotate, the fixed gear 193 at the bottom end of the internal rotating column 192 rotates with the track plate 20 to drive the aluminum alloy section outside the connectors 19 to rotate;
starting the spray gun 13, spraying the aluminum alloy section, moving all the connectors 19 to the lower side of the separator 6 after rotating for 3 circles along the working path, and moving the aluminum alloy section to the inside of the drying box 10 by the separator 6 through the second electric telescopic rod 40, the third electric telescopic rod 41 and the second clamping manipulator 45 inside the separator;
on the other hand, after the aluminum alloy section enters the drying box 10 through the feeding hole of the drying box 10, the aluminum alloy section can slide along the uppermost connecting frame 28 and roll down to the lower connecting frame 28, the heating box 31 and the fan 33 are started, the fan 33 heats the outside air through the heating box 31 and then enters the drying box 10, and the outside air is discharged from the communicating box 32, when the air flows, the air can pass through the rotating rollers 29 in the connecting frame 28, the aluminum alloy section is dried, the reset spring 30 is used for buffering and damping when the aluminum alloy section falls onto the connecting frame 28, and through the rotating rollers 29, the friction force generated when the aluminum alloy section moves can be reduced, and the damage to the outer surface of the aluminum alloy section is prevented.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.
Claims (10)
1. The electrostatic spraying method of the aluminum alloy building section powder coating is characterized by comprising the following steps of:
the method comprises the following steps: selecting powder coating with the particle size of 50-75 microns, putting the powder coating into a spraying tank (3), installing the spraying tank (3) into a spraying device, connecting a discharge hole of the spraying tank (3) with a connecting box (12), and finally connecting an air outlet on the rear surface of an electrostatic spraying box (4) and an air outlet of a connecting box (32) on the upper surface of a drying box (10) with a waste gas treatment system;
step two: washing the surface of the aluminum alloy section, and air-drying;
step three: conveying the aluminum alloy section to one side of spraying equipment through a conveying device, starting the spraying equipment, and performing electrostatic spraying on the aluminum alloy section;
the application method of the spraying equipment comprises the following steps:
s1: starting a third motor (34), driving a screw rod (35) to rotate, driving a sliding block (36) to move to the upper side of a conveying device loaded with the aluminum alloy section along a sliding groove (38), starting a first electric telescopic rod (37) and a first clamping mechanical arm (39), clamping the aluminum alloy section, starting the first electric telescopic rod (37) and the first clamping mechanical arm (39), taking the aluminum alloy section down from the conveying device, starting the third motor (34) again, moving the aluminum alloy section to the upper side of an opening in the upper surface of an electrostatic spraying box (4), starting the first electric telescopic rod (37), sleeving the aluminum alloy section to the outer side of a connector (19), starting the first clamping mechanical arm (39), and loosening the aluminum alloy section;
s2: starting a first motor (21), driving a connecting gear (22) to rotate, driving a second chain (17) to rotate after the connecting gear (22) rotates, synchronously driving a first chain (15) to rotate through a connecting rod (18) after the second chain (17) rotates, rotating a connector (19) for loading aluminum alloy sections from the lower side of an opening of an electrostatic spraying box (4), and rotating the other group of connectors (19) to the lower side of the opening of the electrostatic spraying box (4);
s3: repeating the step in S1, mounting the aluminum alloy section on the other connectors (19), starting the first motor (21), wherein the first motor (21) drives the second chain (17), the connecting rod (18), the first chain (15) and the connectors (19) to rotate around the first supporting wheel (14) and the second supporting wheel (16), and when the connectors (19) rotate, the fixed gear (193) at the bottom end of the internal rotating column (192) rotates with the track plate (20) to drive the aluminum alloy section on the outer side of the connectors (19) to rotate;
s4: starting a spray gun (13), spraying the aluminum alloy section, and moving all the connectors (19) to the lower side of the separator (6) after rotating for 3-4 circles along the working path;
step four: and starting the spraying equipment, moving the aluminum alloy section bar to the inside of the drying box (10), starting the drying box (10), drying the aluminum alloy section bar, and finally starting the conveyor belt (11) to convey the aluminum alloy section bar out of the spraying equipment.
2. The electrostatic spraying method for the powder coating of the aluminum alloy architectural section as claimed in claim 1, wherein the spraying equipment comprises a processing table (1), a control console (2) is installed on one side inside the processing table (1), a spraying tank (3) is installed on the rear surface of the processing table (1), an electrostatic spraying box (4) is fixedly connected to the upper surface of the processing table (1), an opening is formed in one side of the upper surface of the electrostatic spraying box (4), a feeder (5) is fixedly connected to one side of the upper surface of the electrostatic spraying box (4) and close to the upper side of the opening, a separator (6) is fixedly connected to the other side of the upper surface of the electrostatic spraying box (4), an inspection window (9) is hinged between the feeder (5) and the separator (6) on the upper surface of the electrostatic spraying box (4), and an electrostatic spraying high-voltage power supply (7) is embedded in the lower side of the processing table (1) close to the electrostatic spraying box (4) And processing platform (1) inside one side near electrostatic spraying high voltage power supply (7) installs clean case (8), the upper surface of clean case (8) and the lower surface intercommunication of electrostatic spraying case (4), one side of processing platform (1) is provided with stoving case (10), the feed inlet of stoving case (10) extends to the inside of electrostatic spraying case (4) and is located the downside of separator (6), conveyer belt (11) are installed to the inside bottom of stoving case (10), the one end of conveyer belt (11) extends to the outside of stoving case (10).
3. The electrostatic spraying method of powder coating for aluminum alloy architectural profiles as recited in claim 2, wherein both sides of the inside of the electrostatic spraying box (4) are fixedly connected with connecting boxes (12), the sides of the connecting boxes (12) are fixedly connected with a plurality of spray guns (13) distributed at equal intervals, the upside of the inside of the electrostatic spraying box (4) close to the two groups of connecting boxes (12) is respectively and spirally connected with two groups of first supporting wheels (14), the downside of the inside of the electrostatic spraying box (4) close to the two groups of connecting boxes (12) is respectively and spirally connected with two groups of second supporting wheels (16), the four groups of the first supporting wheels (14) and the four groups of the second supporting wheels (16) are respectively and vertically distributed, the outside of the four groups of the first supporting wheels (14) is sleeved with a first chain (15), the outside of the four groups of the second supporting wheels (16) is sleeved with a second chain (17), the inside upside fixedly connected with track board (20) that is close to second chain (17) of electrostatic spraying case (4), connecting rod (18) that a plurality of fixedly connected with equidistance distributes between first chain (15) and first supporting wheel (14), connector (19) are installed to one side of connecting rod (18), the bottom of connector (19) extends to the inside of track board (20).
4. The electrostatic spraying method for the powder coating of the aluminum alloy building section bar as claimed in claim 3, wherein the connector (19) comprises a connecting plate (191) sleeved outside the connecting rod (18), a rotating column (192) is rotatably connected inside the connecting plate (191), an embedded groove is formed in the rotating column (192) and located on the upper side of the connecting plate (191), an inner plate (194) is fixedly connected to the middle inside of the embedded groove, supporting plates (195) are slidably connected to two sides of the embedded groove close to the inner plate (194), and a plurality of spring blocks (196) are fixedly connected between the supporting plates (195) and the inner plate (194).
5. The electrostatic spraying method of the powder coating of the aluminum alloy building section bar as recited in claim 4, wherein a tooth socket is formed inside the track plate (20), a fixed gear (193) is fixedly connected to the bottom end of the rotating column (192), the fixed gear (193) is embedded inside the tooth socket and is in meshed connection with the tooth socket, a first motor (21) is fixedly connected to the lower surface of the electrostatic spraying box (4), a connecting gear (22) is fixedly connected to the output end of the first motor (21), and the connecting gear (22) is in meshed connection with the outer side of the second chain (17).
6. The electrostatic spraying method of the powder coating of the aluminum alloy building section bar as recited in claim 5, wherein a sealing box (26) is fixedly connected to one end of the interior of the electrostatic spraying box (4), a plurality of adjacently distributed partition plates (27) are rotatably connected between the sealing box (26) and the inner wall of the electrostatic spraying box (4), one ends of the plurality of partition plates (27) extend into the interior of the sealing box (26), the fixing box is installed on the lower surface of the electrostatic spraying box (4) close to the lower side of the sealing box (26), a second motor (23) is fixedly connected to the interior of the fixing box, the output end of the second motor (23) is in transmission connection with one end of each partition plate (27) located in the interior of the sealing box (26) through a synchronous belt (25), and a supporting roller (24) is fixedly connected to one side of the interior of the fixing box close to the second motor (23), the supporting roller (24) is tightly attached to one side of the synchronous belt (25).
7. The electrostatic spraying method for the powder coating of the aluminum alloy building section bar as claimed in claim 2, wherein a plurality of connecting frames (28) are rotatably connected to two sides of the interior of the drying box (10), the uppermost group of connecting frames (28) are located on the lower side of a feed inlet of the drying box (10), a plurality of rotating rollers (29) are rotatably connected to the interior of the connecting frames (28) at equal intervals, return springs (30) are fixedly connected between two sides of the lower surface of the connecting frames (28) and the inner wall of the drying box (10), an air inlet is formed in the side surface of the drying box (10) close to the upper side of the conveyor belt (11), a heating box (31) is installed in the air inlet, a communicating box (32) is fixedly connected to the upper surface of the drying box (10), and a plurality of fans (33) are installed in the communicating box (32).
8. The electrostatic spraying method of the aluminum alloy building section powder coating according to claim 2, wherein a rectangular chute (38) is formed in the feeder (5), a third motor (34) is fixedly connected to one end, close to the upper side of the chute (38), in the feeder (5), an output end of the third motor (34) is fixedly connected with a screw rod (35) through a coupler, one end of the screw rod (35) is rotatably connected with the feeder (5), a sliding block (36) is connected to the outer side of the screw rod (35) in a threaded manner, the bottom end of the sliding block (36) extends to the lower side of the chute (38) and is fixedly connected with a first electric telescopic rod (37), and a first clamping manipulator (39) is fixedly connected to the output end of the first electric telescopic rod (37).
9. The electrostatic spraying method for the aluminum alloy building section powder coating according to claim 2, wherein a second electric telescopic rod (40) is fixedly connected to one end of the inside of the separator (6), a third electric telescopic rod (41) is fixedly connected to the output end of the second electric telescopic rod (40), a second clamping manipulator (45) is fixedly connected to one side of the output end of the third electric telescopic rod (41), and the output end of the third electric telescopic rod (41) and the second clamping manipulator (45) are embedded into the electrostatic spraying box (4).
10. The electrostatic spraying method of the powder coating of the aluminum alloy building section bar as recited in claim 2, wherein the communicating pipe (42) is fixedly connected to both sides of the interior of the cleaning box (8), the side surfaces of the communicating pipe (42) are respectively provided with a plurality of high-pressure water spraying heads (43) which are uniformly distributed, and the bottom end of the interior of the cleaning box (8) is provided with a water outlet hole (44).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115228665A (en) * | 2022-08-30 | 2022-10-25 | 台州市乾顺科技有限公司 | Outer glass tube flush coater of low pressure sodium lamp |
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| CN112691866B (en) | 2022-08-30 |
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Denomination of invention: An electrostatic spraying method for powder coating of aluminum alloy building profiles Granted publication date: 20220830 Pledgee: China Co. truction Bank Corp Huaibei branch Pledgor: HUAIBEI LONGTU ALUMINIUM MATERIAL Co.,Ltd. Registration number: Y2024980038370 |