CN116422515A - Multi-angle paint spraying apparatus with drying mechanism for metal support - Google Patents
Multi-angle paint spraying apparatus with drying mechanism for metal support Download PDFInfo
- Publication number
- CN116422515A CN116422515A CN202310708010.XA CN202310708010A CN116422515A CN 116422515 A CN116422515 A CN 116422515A CN 202310708010 A CN202310708010 A CN 202310708010A CN 116422515 A CN116422515 A CN 116422515A
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- Prior art keywords
- hanging
- paint spraying
- cabin
- paint
- workpiece
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- 239000003973 paint Substances 0.000 title claims abstract description 144
- 238000005507 spraying Methods 0.000 title claims abstract description 75
- 238000001035 drying Methods 0.000 title claims abstract description 34
- 239000002184 metal Substances 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 title claims abstract description 16
- 238000005192 partition Methods 0.000 claims abstract description 7
- 239000007921 spray Substances 0.000 claims description 43
- 239000000463 material Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 description 17
- 230000008569 process Effects 0.000 description 13
- 230000009471 action Effects 0.000 description 7
- 239000000428 dust Substances 0.000 description 4
- 238000007590 electrostatic spraying Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007602 hot air drying Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002699 waste material 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
- 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
- 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
- B05B13/0264—Overhead conveying means, i.e. the object or other work being suspended from the conveying means; Details thereof, e.g. hanging hooks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
- B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
-
- 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
- B05B16/90—Spray booths comprising conveying means for moving objects or other work to be sprayed in and out of the booth, e.g. through the booth
-
- 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
-
- 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
-
- 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
- B05B5/087—Arrangements of electrodes, e.g. of charging, shielding, collecting electrodes
-
- 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
Abstract
The invention relates to the technical field of spraying equipment, in particular to a multi-angle paint spraying device for a metal bracket with a drying mechanism, which comprises a partition wall, a hanging rail, a nozzle and a hanging assembly, wherein the partition wall encloses two adjacent semi-closed cabins, the two cabins are a paint spraying cabin and a drying cabin respectively, a cabin inlet and a middle door are arranged in the horizontal direction of the paint spraying cabin and serve as external openings, one end of the drying cabin is connected with the middle door, the other side of the drying cabin in the horizontal direction is provided with a cabin outlet, the hanging rail is continuously arranged at the tops of the paint spraying cabin and the drying cabin, the hanging rail is also provided with a part positioned outside the paint spraying cabin and the drying cabin, the hanging rail is annular, the hanging assembly is connected on the hanging rail in a sliding manner, the hanging assembly is used for hanging workpieces to be painted, a plurality of nozzles are respectively arranged on the inner walls of the paint spraying cabin, and the spraying direction of the nozzles faces the center of the paint spraying cabin.
Description
Technical Field
The invention relates to the technical field of spraying equipment, in particular to a multi-angle paint spraying device for a metal bracket with a drying mechanism.
Background
Most metal workpieces require a coating such as paint to prevent rust.
In the prior art, a workpiece is generally hung and enters a paint spray booth to carry out paint spraying operation, a worker holds a spray gun to spray, the operation environment is bad, the spraying effect is still to be improved, the main defects are that the coating thickness is uneven, certain folding angles and inner angle positions are formed, and if the worker does not actively spray in a targeted manner, the paint in the places is generally thin and easy to fall off.
After the paint is sprayed, the workpiece is required to be dried, the waiting time is long, the operation efficiency is low, in addition, paint is generally rich in the paint spraying process, and a large amount of paint is sprayed on the inner wall of a paint spray booth to cause a large amount of waste.
Disclosure of Invention
The invention aims to provide a multi-angle paint spraying device for a metal bracket with a drying mechanism, which is used for solving the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a multi-angle paint spraying apparatus for metal stand with stoving mechanism, paint spraying apparatus includes the partition wall, the hanger rail, the nozzle, hanging component, the partition wall encloses two adjacent semi-closed cabins, two cabins are spray paint storehouse and stoving storehouse respectively, set up into storehouse mouth and intermediate door as external opening on the spray paint storehouse horizontal direction, the intermediate door is connected to stoving storehouse one end, stoving storehouse horizontal direction opposite side sets up the mouth, the hanger rail sets up in spray paint storehouse and stoving roof portion in succession, the hanger rail still is located the part outside spray paint storehouse and stoving storehouse, the hanger rail is annular, hanging component sliding connection is on the hanger rail, hanging component hoist and mount the work piece of waiting to spray paint, the nozzle has a plurality of and sets up on spray paint storehouse inner wall respectively, nozzle spraying direction orientation spray paint storehouse central authorities.
The hanging component advances along the hanging rail, paint sprayed out by the spray nozzle in the advancing process in the paint spray booth is attached to complete the paint spraying process, the turned-back hanging component brings the workpiece into the drying bin through the middle door, hot air drying is carried out at the position, after the paint is fully dried, the paint leaves the drying bin from the bin outlet, and a worker takes the workpiece off the hanging component.
The top of the center of the paint spray booth is provided with an air suction pipe. The suction pipe sucks and returns surplus paint drops in the paint spraying process to the oil distribution position of the nozzle, and the paint drops are required to be screened through impurity removal, dust removal and the like, so that cleaner paint drops can be recycled, and meanwhile, the phenomenon that the surplus paint drops are attached to the inner wall of a paint spraying cabin too much is avoided.
The hanging assembly comprises a hanging head, a hanging shaft, a hanging box, a flat rod, a hanging chain and a wire, wherein the hanging head is embedded into the hanging rail and can horizontally slide along the hanging rail, the hanging shaft is vertically arranged at the lower end of the hanging head, the hanging box is arranged at the bottom end of the hanging shaft, the flat rod is horizontally arranged in the hanging box, the end part of the flat rod is connected with a workpiece through the hanging chain, the wire is electrically connected with the workpiece and the guide rail, the guide rail is connected with an external power supply, the workpiece is at a positive potential relative to the ground, the nozzle is connected with the external power supply to be at a negative potential relative to the ground, and the nozzle is used for attaching negative charges to sprayed paint drops.
The workpiece is in an electrostatic spraying mode, consumption of paint is saved, a paint layer is uniform, the workpiece has positive potential and carries a large amount of positive charges, the nozzle has negative potential, when paint drops overflow from the nozzle, the paint drops carry negative charges and are sprayed into a space, the paint drops are mutually repelled and are not easy to gather, the paint drops are attracted by the positive charges on the workpiece and impact the surface of the workpiece to finish a spraying process, the paint drops are more dispersed and have stronger adhesive force, redundant paint drops are sucked and refluxed by an air suction pipe, the negative charges on the paint drops are suggested to be eliminated in advance in the refluxing process, the follow-up dust removal and impurity removal are affected, and the simplest method for eliminating the negative charges is to enable an entity carrying the negative charges to be in contact with a grounded metal sheet.
The two wires are electrically connected with the workpiece, positive potentials of power supplies connected with the two power connection positions on the workpiece are unequal and periodically exchanged, a horizontal magnetic field is arranged in the paint spray booth, and the two power connection positions on the workpiece are the farthest diagonal positions on the workpiece.
One disadvantage of electrostatic spraying is that because electrostatic shielding and repulsive interaction are achieved, the probability that paint drops carrying negative charges reach the inner corner surfaces of a workpiece is far smaller than that of other positions, so that the situation that the inner corner spraying is not carried out frequently occurs, in the application, the workpiece is connected with positive potentials to ensure that the workpiece carries positive charges, the two positive potentials are connected diagonally to enable the charges to flow, when the charges flowing in the workpiece are acted by a magnetic field in the horizontal direction, the charges are biased to one side by the action of the magnetic field, the positive potential magnitude relation of the charge connection position on the workpiece is periodically changed to enable the charges to flow by the changed magnetic field force, and therefore in part of periods, the charges exist at the inner corner positions to attract the paint drops to attach to the inner corner positions to finish spraying.
The hanger rail comprises a base material, a first connecting electrode and a second connecting electrode, wherein a downward T-shaped guide groove is formed in the base material, the first connecting electrode is arranged on the inner upper surface of the guide groove, the second connecting electrode is arranged on the surface of the T-shaped shoulder of the guide groove, the lifting head comprises a traction block, an electrode button and a spring, the upper surface of the traction block is concave and is provided with the spring at the concave position, the electrode button is arranged at the upper end of the spring, the lower end of the traction block is connected with a hanging shaft, the traction block is slidably mounted in the guide groove, the electrode button is pushed by the spring and is abutted to the first connecting electrode, the outer edge of the lower surface of the traction block is slidably contacted with the second connecting electrode, and two wires are respectively connected with the electrode button and the lower surface of the traction block.
The hoisting head needs to be a medium for connecting the lead wires and the guide rail electrically, and because the workpiece needs to be connected with two unequal positive potentials, the two independent lead wires are needed to be connected, the hoisting assembly continuously moves, the guide rail is the power taking position of the hoisting assembly, the first connecting electrode and the second connecting electrode are respectively connected with power supplies with unequal positive potentials, the negative electrodes of the power supplies are grounded, and the unequal positive potential requirements of the two positions of the workpiece can be met due to unequal power supply voltages.
The inner wall of the paint spray booth, the bin inlet, the middle door, the mouth of the air suction pipe and the inner wall are all connected with negative potential.
Because the rest paint drops are negatively charged and the paint drops are not expected to reach the positions of the inner wall of the paint spray booth, the bin inlet, the middle door, the mouth of the air suction pipe and the inner wall, the positions can be negatively charged by connecting the negative potential, so that the paint drops are repelled from reaching the positions.
The paint spraying device also comprises an indexing driving bar which is arranged close to one side of a guide rail in the paint spraying bin, teeth are arranged on the outer surface of the indexing driving bar, the hanging assembly also comprises a rotating wheel,
the traction block is cylindrical, the middle position of the hanging shaft is provided with a rotating wheel, the rotating wheel is provided with external teeth, and when the hanging assembly moves to the position close to the indexing driving bar, the rotating wheel is meshed with the external teeth of the indexing driving bar.
The rotating wheel is meshed with the rotating driving bar to roll and advance, and the whole hanging assembly and the workpiece are rotated while advancing, so that the workpiece fully faces the nozzle.
The rotating speed of the workpiece in the paint spray booth can be adjusted by the circulating motion of the indexing driving bar, and the workpiece only needs to finish twice rotation motion in the paint spray booth without too much rotation motion.
The paint spraying bin is circular, and the drying bin is connected with the paint spraying bin at the outer edge tangent point of the paint spraying bin.
The air leaking from the drying bin to the paint spraying bin advances along the inner wall of the paint spraying bin, so that paint drops are further prevented from reaching the inner wall of the paint spraying bin, and the amount of the paint drops to the air suction pipe is increased.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the spraying effect is enhanced through electrostatic action, the probability that paint drops reach unexpected positions can be reduced by carrying negative charges on the inner wall of a paint spray booth and the air suction pipe, all paint drops move to the air suction pipe as much as possible, positive charges are carried on a workpiece, meanwhile, the positive charges can flow through different positive potentials, the charges can reach some inner angle positions to prevent incomplete spraying through cooperation with the action of a magnetic field, and the paint drops enter a drying cabin to finish drying after the spraying is finished, so that the spraying time is saved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic top view of the flow structure of the present invention;
FIG. 2 is a schematic diagram of the front view of the interior of the spray booth of the present invention;
FIG. 3 is a schematic view of the hanger assembly of the present invention lifting a workpiece;
FIG. 4 is a schematic view of the structure of the head of the hanger assembly of the present invention connected to the guide rail and the indexing drive bar;
FIG. 5 is a schematic view of the power connection of the inlet, middle door, outlet, nozzle, suction pipe, and workpiece of the present invention; V1/V2/V3/V4/V5 in the figure respectively represent five potentials, and the positive and negative polarities of specific potentials and the relative sizes of the specific potentials are set differently in specific embodiments;
in the figure: 11-partition wall, 12-spray booth, 13-stoving storehouse, 14-inlet, 15-intermediate door, 16-outlet, 2-hanger rail, 21-substrate, 211-guide slot, 22-first electrode, 23-second electrode, 3-nozzle, 4-breathing pipe, 5-hanging subassembly, 51-hoist and mount head, 511-traction block, 512-electrode button, 513-spring, 52-hanging shaft, 53-hanging box, 54-flat bar, 55-hanging chain, 56-wire, 57-runner, 6-transposition driving strip, 9-work piece.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The utility model provides a multi-angle paint spraying apparatus for metal stand with stoving mechanism, paint spraying apparatus includes division wall 11, hanger rail 2, the nozzle 3, hanging component 5, division wall 11 encloses two adjacent semi-closed cabins, two cabins are spray booth 12 and stoving storehouse 13 respectively, set up into bin mouth 14 and intermediate door 15 as external opening in the horizontal direction of spray booth 12, intermediate door 15 is connected to stoving storehouse 13 one end, stoving storehouse 13 horizontal direction opposite side sets up out bin mouth 16, hanger rail 2 sets up at spray booth 12 and stoving storehouse 13 tops in succession, hanger rail 2 still is located the part outside spray booth 12 and stoving storehouse 13, hanger rail 2 is the annular, hanging component 5 sliding connection is on hanger rail 2, hanging component 5 hoist and mount the work piece 9 that waits to spray paint, nozzle 3 has a plurality of and sets up on spray booth 12 inner wall respectively, nozzle 3 spray direction is towards spray booth 12 central authorities.
As shown in fig. 1 and 2, the hanging assembly 5 advances the hanging workpiece 9 along the hanging rail 2, paint sprayed by the spray nozzle 3 during the advancing process in the paint spray booth 12 is adhered to complete the paint spraying process, the turned-back hanging assembly 5 brings the workpiece 9 into the drying bin 13 through the intermediate door 15, hot air drying is performed at the position, the paint leaves the drying bin 13 from the bin outlet 16 after being fully dried, and the workpiece 9 is taken down from the hanging assembly 5 by a worker.
The central top of the paint spray booth 13 is provided with an air suction pipe 4.
The suction pipe 4 sucks and returns the surplus paint drops in the paint spraying process to the oil distribution position of the nozzle 3, and of course, the paint drops are required to be screened through impurity removal, dust removal and the like, so that the cleaner paint drops can be recycled, and the excessive paint drops are prevented from being attached to the inner wall of the paint spray booth 12 too much.
The hanging assembly 5 comprises a hanging head 51, a hanging shaft 52, a hanging box 53, a flat rod 54, a hanging chain 55 and a wire 56, wherein the hanging head 51 is embedded into the hanging rail 2 and can horizontally slide along the hanging rail 2, the hanging shaft 52 is vertically arranged at the lower end of the hanging head 51, the hanging box 53 is arranged at the bottom end of the hanging shaft 52, the flat rod 54 is horizontally arranged in the hanging box 53, the end part of the flat rod 54 is connected with the workpiece 9 through the hanging chain 55, the wire 56 is used for electrically connecting the workpiece 9 with the guide rail 2, the guide rail 2 is connected with an external power supply, the workpiece 9 is at a positive potential relative to the ground, the nozzle 3 is connected with the external power supply to be at a negative potential relative to the ground, and the nozzle 3 is used for attaching negative charges to sprayed paint drops.
As shown in fig. 1, 3 and 5, the workpiece 9 uses electrostatic spraying, so that the consumption of paint is saved, the paint layer is relatively uniform, the workpiece 9 carries a large amount of positive charges at a positive potential, the nozzle 3 is at a negative potential, when paint drops flow through the nozzle 3, the paint drops carry negative charges and are sprayed into a space, the mutual repulsion of the paint drops is not easy to gather, the paint drops are attracted by the positive charges on the workpiece 9 and impact on the surface of the workpiece to finish the spraying process, the paint drops are more dispersed and have stronger adhesive force, the redundant paint drops are sucked and reflowed by the air suction pipe 4, the reflow process suggests to eliminate the negative charges on the workpiece in advance, the follow-up dust removal and impurity removal are affected, and the simplest method for eliminating the negative charges is to enable the entity carrying the negative charges to be contacted with a grounded metal sheet.
The two conducting wires 56 are electrically connected with the workpiece 9, the positive electric potentials of the power supplies connected with the two electric connection positions on the workpiece 9 are unequal and periodically exchanged, a horizontal magnetic field is arranged in the paint spray booth 12, and the two electric connection positions on the workpiece 9 are the farthest diagonal positions on the workpiece 9.
As shown in FIG. 5, a defect of electrostatic spraying is that because electrostatic shielding and repulsive interaction are carried out, the probability that paint drops carrying negative charges reach the inner corner surfaces of a workpiece 9 is far smaller than that of other positions, so that the situation that the inner corner spraying is not carried out frequently occurs, in the application, the workpiece 9 is connected with positive potentials to ensure that the positive charges are carried by the workpiece, two positive potentials are diagonally connected, charges can flow, when the charges flowing in the workpiece 9 are acted by a horizontal magnetic field, the charges are biased to one side by the action of the magnetic field, the positive potential magnitude relation of the charge connection positions on the workpiece 9 can be periodically changed, the charges are subjected to changing magnetic field force when the charges flow, and therefore, in part of the cycle, the inner corner positions are also in charge, the paint drops are attracted, and the spraying is finished at the inner corner positions, for example, in FIG. 5, the lower end of the workpiece 9 is connected with V3 positive potential, when the V3 is larger than V2, the charges are moved from top to bottom to right, the bottom, when the magnetic field direction is perpendicular to the paper surface, the charges are gathered from left to the bottom, and the inner corner positions are gathered by the pole, and when the current is gathered on the inner corner positions, the pole is not in the direction perpendicular paper, and the current is not changed to the whole current is turned over at the position, but the inner corner positions is not in the whole position, and the whole current is not changed, but the current is turned over, and the current is not in the whole position is turned, but the position is turned.
The hanger rail 2 comprises a base material 21, a first connecting electrode 22 and a second connecting electrode 23, wherein a downward T-shaped guide groove 211 is formed in the base material 21, the first connecting electrode 22 is arranged on the inner upper surface of the guide groove 211, the second connecting electrode 23 is arranged on the T-shaped shoulder surface of the guide groove 211, the hoisting head 51 comprises a traction block 511, an electrode button 512 and a spring 513, the upper surface of the traction block 511 is concave and is provided with the spring 513 in the concave position, the electrode button 512 is arranged at the upper end of the spring 513, the lower end of the traction block 511 is connected with a hanging shaft 52, the traction block 511 is slidably arranged in the guide groove 211, the electrode button 512 is pushed by the spring 513 and is abutted against the first connecting electrode 22, the outer edge of the lower surface of the traction block 511 is slidably contacted with the second connecting electrode 23, and two wires 56 are respectively electrically connected with the electrode button 512 and the lower surface of the traction block 511.
As shown in fig. 4, the hoisting head 51 needs to be a medium for electrically connecting the lead 56 and the guide rail 2, and since the workpiece 9 needs to be connected with two unequal positive potentials, two independent leads 56 are needed to be connected, the hanging assembly 5 is continuously moved, the guide rail 2 is the power taking position of the hanging assembly 5, the first connecting electrode 22 and the second connecting electrode 23 are respectively connected with power supplies with unequal positive potentials, the negative poles of the power supplies are grounded, and the unequal positive potential requirements of the two positions of the workpiece 9 can be realized by unequal power supply voltages.
The inner wall of the paint spray booth 12, the bin inlet 14, the middle door 15, the mouth of the air suction pipe 4 and the inner wall are all connected with negative potential.
As shown in fig. 5, the bin inlet 14 and the middle gate 15 are connected with a negative potential V5, the nozzle 3 is connected with a negative potential V1, the air suction pipe 4 is connected with a negative potential V4, and the positions of the inner wall of the paint bin 12, the bin inlet 14, the middle gate 15, the pipe orifice of the air suction pipe 4 and the inner wall are not expected to be reached by paint drops because the surplus paint drops are negatively charged, so that the positions can carry negative charges to repel the paint drops from reaching by connecting the negative potential.
The paint spraying device also comprises an indexing driving bar 6, the indexing driving bar 6 is arranged close to one side of the guide rail 2 in the paint spraying bin 12, teeth are arranged on the outer surface of the indexing driving bar 6, the hanging assembly 5 also comprises a rotating wheel 57,
the traction block 511 is cylindrical, a rotating wheel 57 is arranged in the middle of the hanging shaft 52, the rotating wheel 57 is provided with external teeth, and when the hanging assembly 5 moves to be close to the indexing driving bar 6, the rotating wheel 57 is meshed with the external teeth of the indexing driving bar 6.
As shown in fig. 1 and 5, the turning wheel 57 is engaged with the indexing drive bar 6 to roll, and the whole hanging assembly 5 and the workpiece 9 are rotated while advancing, so that the workpiece 9 faces the nozzle 3 sufficiently.
The indexing driving strip 6 moves circularly, the rotating speed of the workpiece 9 in the paint spray booth 12 can be adjusted by the circular movement of the indexing driving strip 6, and the workpiece 9 only needs to finish one or two times of autorotation movements in the paint spray booth 12 without too much rotation.
The paint spray booth 12 is circular, and the drying room 13 is connected with the paint spray booth 12 at the outer edge tangent point of the paint spray booth 12.
The air leaking from the drying chamber 13 to the paint spraying chamber 12 advances along the inner wall of the paint spraying chamber 12, further preventing paint drops from reaching the inner wall of the paint spraying chamber 12, and increasing the amount of paint drops to the air suction pipe 4.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. Multi-angle paint spraying apparatus for metal support with stoving mechanism, its characterized in that: the paint spraying device comprises a partition wall (11), a hanging rail (2), a nozzle (3) and a hanging assembly (5), wherein the partition wall (11) encloses two adjacent semi-closed cabins, the two cabins are respectively a paint spraying cabin (12) and a drying cabin (13), a cabin inlet (14) and a middle door (15) are arranged on the horizontal direction of the paint spraying cabin (12) and serve as external openings, one end of the drying cabin (13) is connected with the middle door (15), the other side of the horizontal direction of the drying cabin (13) is provided with a cabin outlet (16), the hanging rail (2) is continuously arranged at the tops of the paint spraying cabin (12) and the drying cabin (13), the hanging rail (2) is also provided with a part positioned outside the paint spraying cabin (12) and the drying cabin (13), the hanging rail (2) is annular, the hanging assembly (5) is connected with the hanging assembly (5) in a sliding mode, the workpiece (9) to be sprayed is hoisted on the inner wall of the paint spraying cabin (12), and the nozzle (3) is respectively arranged on the inner wall of the paint spraying cabin (12), and the spraying direction of the nozzle (3) faces the center of the paint spraying cabin (12).
2. The multi-angle paint spraying apparatus for a metal bracket with a drying mechanism as claimed in claim 1, wherein: the top of the center of the paint spraying bin (13) is provided with an air suction pipe (4).
3. The multi-angle paint spraying apparatus for a metal bracket with a drying mechanism as claimed in claim 2, wherein: the hanging assembly (5) comprises a hanging head (51), a hanging shaft (52), a hanging box (53), a flat rod (54), a hanging chain (55) and a lead (56), wherein the hanging head (51) is embedded into the hanging rail (2) and can horizontally slide along the hanging rail (2), the hanging shaft (52) is vertically arranged at the lower end of the hanging head (51), the hanging box (53) is arranged at the bottom end of the hanging shaft (52), the flat rod (54) is horizontally arranged in the hanging box (53), the end part of the flat rod (54) is connected with a workpiece (9) through the hanging chain (55), the lead (56) electrically connects the workpiece (9) with the lead (2), the lead (2) is connected with an external power supply, the workpiece (9) is at a positive potential relative to the ground, the nozzle (3) is connected with an external power supply to be at a negative potential relative to the ground, and the nozzle (3) is sprayed paint drops to adhere to negative charges.
4. A multi-angle paint spraying apparatus for a metal bracket having a drying mechanism as claimed in claim 3, wherein: the two conducting wires (56) are electrically connected with the workpiece (9), positive potentials of power supplies connected with two power connection positions on the workpiece (9) are unequal and periodically exchanged, a horizontal magnetic field is arranged in the paint spraying bin (12), and the two power connection positions on the workpiece (9) are the most distant diagonal positions on the workpiece (9).
5. The multi-angle paint spraying apparatus for a metal bracket with a drying mechanism as claimed in claim 4, wherein: the lifting rail (2) comprises a base material (21), a first connecting electrode (22) and a second connecting electrode (23), a downward T-shaped guide groove (211) is formed in the base material (21), the first connecting electrode (22) is arranged on the inner upper surface of the guide groove (211), the second connecting electrode (23) is arranged on the inner upper surface of the T-shaped shoulder surface of the guide groove (211), the lifting head (51) comprises a traction block (511), an electrode button (512) and a spring (513), the upper surface of the traction block (511) is concave and is provided with the spring (513) at an indent position, the electrode button (512) is mounted at the upper end of the spring (513), the lower end of the traction block (511) is connected with a hanging shaft (52), the traction block (511) is slidably mounted in the guide groove (211), the electrode button (512) is pushed by the spring (513) and is in contact with the first connecting electrode (22), and the outer edge of the lower surface of the traction block (511) is slidably contacted with the second connecting electrode (23), and the two wires (56) are respectively connected with the electrode button (512) and the lower surface of the traction block (511).
6. The multi-angle paint spraying apparatus for a metal bracket with a drying mechanism according to claim 5, wherein: the inner wall of the paint spray booth (12), the bin inlet (14), the middle door (15), the pipe orifice of the air suction pipe (4) and the inner wall are all connected with negative potential.
7. The multi-angle paint spraying apparatus for a metal bracket with a drying mechanism according to claim 5, wherein: the paint spraying device also comprises an indexing driving strip (6), the indexing driving strip (6) is arranged next to the guide rail (2) positioned in the paint spraying bin (12), teeth are arranged on the outer surface of the indexing driving strip (6), the hanging assembly (5) also comprises a rotating wheel (57),
the traction block (511) is cylindrical, a rotating wheel (57) is arranged in the middle of the hanging shaft (52), the rotating wheel (57) is provided with external teeth, and when the hanging assembly (5) moves to be close to the indexing driving strip (6), the rotating wheel (57) is meshed with the external teeth of the indexing driving strip (6).
8. The multi-angle paint spraying apparatus for a metal bracket with a drying mechanism as claimed in claim 7, wherein: the indexing driving bar (6) moves circularly and has adjustable speed.
9. The multi-angle paint spraying apparatus for a metal bracket with a drying mechanism as claimed in claim 1, wherein: the paint spraying bin (12) is round, and the drying bin (13) is connected with the paint spraying bin (12) at the outer edge tangent point of the paint spraying bin (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310708010.XA CN116422515B (en) | 2023-06-15 | 2023-06-15 | Multi-angle paint spraying apparatus with drying mechanism for metal support |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310708010.XA CN116422515B (en) | 2023-06-15 | 2023-06-15 | Multi-angle paint spraying apparatus with drying mechanism for metal support |
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| CN116422515A true CN116422515A (en) | 2023-07-14 |
| CN116422515B CN116422515B (en) | 2023-08-29 |
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| Publication number | Publication date |
|---|---|
| CN116422515B (en) | 2023-08-29 |
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