CN209646781U - Uniform powder spray equipment and powder coating production line - Google Patents
Uniform powder spray equipment and powder coating production line Download PDFInfo
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- CN209646781U CN209646781U CN201822227334.9U CN201822227334U CN209646781U CN 209646781 U CN209646781 U CN 209646781U CN 201822227334 U CN201822227334 U CN 201822227334U CN 209646781 U CN209646781 U CN 209646781U
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Abstract
The utility model belongs to coating equipment technical field, and in particular to a kind of uniform powder spray equipment and powder coating production line.Wherein uniform powder spray equipment includes: at least one spray gun and powder regulating mechanism out；The spray gun is suitable for spraying powdery paints；And the powder regulating mechanism out is suitable for adjusting shape, the uniformity and the quantity of the powdery paints sprayed, then it is made to be sprayed on workpiece surface, can control coating uniformity and film thickness.
Description
Technical field
The utility model relates to coating equipment technical fields, and in particular to a kind of uniform powder spray equipment and powder spray
Production line.
Background technique
Powder body coating equipment using the conveying of venturi powder pump and is painted on workpiece surface at present, by compressed air-driven
Powder is delivered to spray gun and is sprayed, and among gun slot, powder is sprayed the high-pressure electrostatic acusector of this mode with circle.Right
When big planar substrate is sprayed, often powder utilization is caused to reduce because powder charge is not enough, and circular powder stream
It is uniform to be not easy spraying because of Density inhomogeneity.It is non-uniform, intermediate powder that the air-flow that dusts is sprayed from circular spray gun
Last density and the density of periphery are different, in addition the corona that electrostatic generates also has inhomogeneities, cause powder very uneven.Especially
It is in the biggish planar substrates of spray area, when especially carrying out scumbling exigent to coating uniformity, or to movement
When the coating of workpiece such as coiled material, upper powder inhomogeneities is extremely difficult to require.Therefore, powder body coating industry is being pursued always one kind and is being gone out
Powder is uniform, powder utilization is high, the easily controlled spraying method of powder amount, with the spray for solving large-area planar substrate and scumbling coating encounters
The non-uniform problem of powder.
Utility model content
The purpose of the utility model is to provide the controllable uniform powder spray equipment of a kind of uniform thickness, powder amount and powder sprays
Coating line, to improve upper powder uniformity.
In order to solve the above-mentioned technical problem, the utility model provides a kind of uniform powder spray equipment, comprising: at least one
A spray gun and out powder regulating mechanism；The spray gun is suitable for spraying powdery paints；And the powder regulating mechanism out is suitable for adjusting powder
After shape and/or the amount of dusting that last coating sprays, then it is made to be sprayed on workpiece surface.
Further, the powder regulating mechanism out includes: that the powder amount between spray gun and workpiece adjusts knife；
The powder amount adjusts knife and is suitable for moving up and down or being moved forward and backward, to arrive at the powder of workpiece surface for intercepting part
Last coating.
Further, the powder regulating mechanism out further include: go out powder shape adjustment plate at lance outlet；The powder out
Shape adjustment plate is suitable for rebounding powdery paints that spray gun sprays guide and be planar after, then be sprayed into workpiece surface.
Further, the powder shape adjustment plate out is arc panel, installation of the spray gun close to powder shape adjustment plate out.
Further, the uniform powder spray equipment further include: several high-pressure electrostatic acusectors；High-pressure electrostatic acusector court
To workpiece setting；And the workpiece is suitable for ground connection setting, to pass through Electrostatic Absorption powdery paints.
Further, the high-pressure electrostatic acusector is located above the outlet of spray gun, and corona space is formed between workpiece, thus
Charge painting on powdery paints band is set to be attached to workpiece surface.
Further, the high-pressure electrostatic acusector is located at the back side that powder amount adjusts knife, and corona space is formed between workpiece, from
And charge painting on the powdery paints band after powder amount adjusts knife adjusting is made to be attached to workpiece surface.
Further, the high-pressure electrostatic acusector is located at the tail portion of powder shape adjustment plate, and it is empty that corona is formed between workpiece
Between, so that charge painting on the powdery paints band after going out powder shape adjustment plate and adjusting be made to be attached to workpiece surface.
Further, the spray gun is multiple a row or multi-row distributions, and the spacing of adjacent two spray guns is 5- in every row
20cm；The high-pressure electrostatic acusector is arranged in a one-to-one correspondence with spray gun, wherein the distance of every row's high-pressure electrostatic acusector is 15-30 lis
Rice.
Another aspect, the utility model additionally provide a kind of powder coating production line, comprising: the conveying for conveying workpieces
Line and several foregoing uniform powder spray equipments；And each uniform powder spray equipment is suitable for being sequentially fixed at pipeline
Side, with respectively to workpiece surface carry out powder spray.
The utility model has the beneficial effects that the uniform powder spray equipment of the utility model leads to after powdery paints ejection
It crosses out powder regulating mechanism and adjusts its divergence and upper powder amount, improve the uniformity for spraying powder when coating on large flat surfaces,
Have the characteristics that simple, reliable and stable, the upper powder of equipment uniformly, powder amount can control.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the uniform powder spray equipment of the utility model；
Fig. 2 is the first scheme of installation of high-pressure electrostatic acusector；
Fig. 3 is second of scheme of installation of high-pressure electrostatic acusector；
Fig. 4 is the third scheme of installation of high-pressure electrostatic acusector；
Fig. 5 is the structural schematic diagram of the spray gun of the utility model；
Fig. 6 is the structural schematic diagram of the powder coating production line of the utility model；
In figure: spray gun 1, venturi pump 12, fluidizing bucket 13, powder regulating mechanism 2, powder amount adjust knife 21 out, out powder shape tune
Save plate 22, workpiece 3, high-pressure electrostatic acusector 4, uniform powder spray equipment 5, pipeline 6.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
Embodiment 1
Fig. 1 is the structural schematic diagram of the uniform powder spray equipment of the utility model.
As shown in Figure 1, the present embodiment 1 provides a kind of uniform powder spray equipment, comprising: at least one spray gun 1 and go out
Powder regulating mechanism 2；The spray gun 1 is suitable for spraying powdery paints；And the powder regulating mechanism 2 out is suitable for adjusting the powder sprayed
After the shape and/or powder amount of coating, then it is made to be sprayed on 3 surface of workpiece.
Optionally, the workpiece can be, but not limited to the movement work such as the color steel plate being continuously conveyed by pipeline and color aluminium sheet
Part, and commonly fix workpiece.When workpiece is the big flat work pieces of the movements such as color steel plate and color aluminium sheet, the length of the workpiece
Can be very long, to support persistent movement, the direction of motion is vertical motion (as shown in Figure 1 or 2) or horizontal movement (such as Fig. 3
Or shown in Fig. 4).
The uniform powder spray equipment of the present embodiment 1 adjusts its diverging by going out powder regulating mechanism after powdery paints ejection
Degree and upper powder amount, improve the uniformity of powder on workpiece surface, have the characteristics that simple, reliable and stable, the upper powder of equipment is uniform.
A kind of optional embodiment as powder regulating mechanism out.
See that Fig. 2, the powder regulating mechanism 2 out include: that the powder amount between spray gun 1 and workpiece 3 adjusts knife 21；It is described
Powder amount adjusts knife 21 and is suitable for moving up and down, to arrive at the powdery paints on 3 surface of workpiece for intercepting part.Therefore, powder amount is adjusted
Knife can not only reduce powder amount, control coating layer thickness, the planar or stratiform that can also be cut into powdery paints or even thin
Stratiform plays the role of upper powder uniformly.Specifically, the powder amount adjusts knife can be moved up and down by guide rail or guiding bar, rise
To the effect for intercepting powdery paints.
Optionally, it is in tulwar shape that the powder amount, which adjusts knife, for the arc knife-like object of nonmetallic materials preparation, by up and down or
Person, which moves forward and backward, to be located on the motion profile of powdery paints, intercepts the powder painting that workpiece surface is arrived in part using tulwar face
Material.
Certainly, for production requirement, the powder amount adjusts knife can also be according to the movement rail of the location of workpiece and powdery paints
Mark is adaptively adjusted, for example, it is horizontal, be obliquely or vertically arranged.Therefore, as long as occurring powder amount in other embodiments adjusts knife
It is located on the motion profile of powdery paints by movement, the effect for intercepting powdery paints is realized, in the protection of the application
In range.
The powder regulating mechanism that goes out of present embodiment adjusts the movement that knife up and down motion is located at powdery paints by powder amount
On track, play the role of intercepting part powdery paints；Powder amount can be not only reduced, coating layer thickness is controlled, it can also be by powder
The planar or lamelliform that last coating is cut into, play the role of upper powder uniformly.
Another optional embodiment as powder regulating mechanism out.
See Fig. 1, the powder regulating mechanism 2 out further include: go out powder shape adjustment plate 22 positioned at 1 exit of spray gun；It is described
After the powdery paints rebound that powder shape adjustment plate 22 is suitable for spray out guides and is planar, then it is sprayed into 3 surface of workpiece.
Preferably, the powder shape adjustment plate 22 out is arc panel, and the spray gun 1 is pacified close to powder shape adjustment plate 22 out
Dress.Specifically, powdery paints is sprayed from the outlet of spray gun 1, is moved along powder shape adjustment plate 22 out, then reach out powder shape
It is repelled and scatters after the cancave cambered surface of shape adjustable plate, be finally directed into and be ejected to 3 surface (arrow as shown in figure 1 of workpiece for flat shape
Shown in head flow direction).In the process, powdery paints becomes planar by arc adjustable plate after spraying at lance outlet
It sprays, greatly improves the uniformity sprayed on mobile flat work pieces.
Present embodiment go out powder regulating mechanism by go out powder shape adjustment plate by the powdery paints of ejection rebound guidance at
It is planar to be ejected to workpiece surface, powdery paints can be made to be improved by round powdery to be then sprayed at planar or lamelliform
Mobile workpiece surface improves powder uniformity.
Certainly, in this application, the powder regulating mechanism out of two ways can be can also be combined with individualism
(as shown in Figure 1).It guides in this way, the powdery paints that can have both sprayed first passes through out the rebound of powder shape adjustment plate to workpiece surface,
Powdery paints can be made to diverge to planar or stratiform by round, knife is then adjusted by powder amount again and is intercepted, control planar is played
Or the effect of Layering powder paint thickness also further improves powder to achieve the purpose that control upper powder amount and coating layer thickness
The uniformity.
Further, see Fig. 1, the uniform powder spray equipment further include: several high-pressure electrostatic acusectors 4；The high pressure is quiet
Acusector 4 is arranged towards workpiece 3；And the workpiece 3 is suitable for ground connection setting, to pass through Electrostatic Absorption powdery paints.Wherein, institute
High-pressure electrostatic acusector is stated by independent electrostatic generator and increases alive times of piezoelectricity packet, to generate high-pressure electrostatic.
The first optional mounting means as high-pressure electrostatic acusector.
See Fig. 2, when powder regulating mechanism out is without going out powder shape adjustment plate, and workpiece 3 is vertically arranged in the side of spray gun 1
When, the high-pressure electrostatic acusector 4 is located above the outlet of spray gun 1, and is higher than the top that powder amount adjusts knife 21 so that acusector 4 with
Corona space is formed between workpiece 3.At this point, powder amount adjusts outlet of the knife 21 apart from spray gun slightly far, part is intercepted as needed
The powdery paints of ejection.
Second of optional mounting means as high-pressure electrostatic acusector.
When workpiece 3 is located at 1 top of spray gun and 2 packet powder containing quantity of powder regulating mechanism adjusting knife 21 and out powder shape adjustment plate 22 out
When (as shown in Figure 3), or when workpiece 3 be located at the top of spray gun 1 and out powder regulating mechanism without when going out powder shape adjustment plate (as schemed
Shown in 4), under above two situation, the high-pressure electrostatic acusector 4 is arranged at the back side that powder amount adjusts knife 21, between workpiece 3
Corona space is formed, so that charge painting on the powdery paints band after powder amount adjusts the adjusting of knife 21 be made to be attached to workpiece surface.
The third optional mounting means as high-pressure electrostatic acusector.
See Fig. 1, when 2 packet powder containing quantity of powder regulating mechanism adjusting knife 21 and out powder shape adjustment plate 22 out, and workpiece 3 is set vertically
It sets at the side of spray gun 1, the high-pressure electrostatic acusector 4 is located at the tail portion of powder shape adjustment plate 22, the shape between workpiece 3
At corona space, so that charge painting on the powdery paints band after going out powder shape adjustment plate 22 and adjusting be made to be attached to workpiece surface.
It is arranged at this point, powder amount adjusts knife 21 close to the outlet of spray gun, powdery paints can be cut is in thinner powder, then in high pressure
In the corona that electrostatic acusector and the workpiece of ground connection generate, takes electrostatic and then equably spray on workpiece.
In conclusion there are many kinds of the mounting means of high-pressure electrostatic acusector according to the track of the location of workpiece and powdery paints,
Enumerate above-mentioned several optional mounting means at this, purpose be in the very wide range after powder ejection with ground connection workpiece
Between (also crying powder particles space) formed corona space, allow the powdery paints of ejection enter powder particles space after sufficiently
Electrostatic is taken, evenly so as to efficiently and equably spray on workpiece (or substrate).And conventional spray paint equipment be will be high
Pressure electrostatic acusector is placed in the centre of lance tube, and powder scatters from surrounding ejection, and powder to scatter itself is uneven, the electricity of acquisition
Lotus is also uneven.Therefore, in other embodiments, entire powder particles sky is adequately ionized as long as high-pressure electrostatic acusector occur and playing
Between effect, promote powder efficiently and uniform apply be attached on workpiece, on the workpiece of especially big plane, in the guarantor of the application
Within the scope of shield.
Fig. 5 is the structural schematic diagram of the spray gun of the utility model.
A kind of optional embodiment as spray gun.
See that Fig. 5, the spray gun 1 are adapted to venturi powder pump 12；The venturi pump 12 is suitable for will be in fluidisation shape
The powder air-flow of state inside fluidizing bucket 13 from being transported in spray gun 1 and spray.
Optionally, the spray gun can be conventional lance, interior to be equipped with high-pressure electrostatic acusector, or quiet without high pressure
The spray gun of acusector achievees the purpose that be adequately ionized by the high-pressure electrostatic acusector of the application.
Preferably, the spray gun is the distribution of multiple a row or multi-row；And the spacing of adjacent two spray guns is in every row
5-20cm。
It is optionally, decentralized in order to use powder when the uniform powder spray equipment does not include powder shape adjustment plate,
The end of the spray gun is additionally provided with spray head, to form the outlet of the spray gun；And the flaring that the spray head is 0-30 ° of gradient
It is horn-like, so that powdery paints more disperses, is soft.When the uniform powder spray equipment includes powder shape adjustment plate,
Spray gun is installed close to the head (bottom) of powder shape adjustment plate out, in order to allow powder to spray along adjustable plate, cannot be installed at this time
Spray head influences regulating effect after preventing powdery paints from dispersing.
The spray gun a row or multi-row of present embodiment is distributed, and simultaneously to workpiece pulverized powder coating.High-pressure electrostatic electricity
Needle is arranged in a one-to-one correspondence with spray gun, i.e., is distributed in a row or multi-row, wherein the distance of every row's high-pressure electrostatic acusector is 15-30 lis
The high-pressure electrostatic acusector of rice, difference row wants cross arrangement, makes the distance between high-pressure electrostatic acusector the same as possible, finally guarantees quiet
Electrical effect is horizontally uniform, and longitudinal direction allows unevenly, and to guarantee to dust, intracavitary air is ionized.Pass through spray gun
It is used in combination with high-pressure electrostatic acusector.The uniformity of spray efficiency and upper powder can be improved.
In conclusion this uniform powder spray equipment adjusts its diverging by going out powder regulating mechanism after powdery paints ejection
Degree and upper powder amount, improve the uniformity of powder on workpiece surface, have the characteristics that simple, reliable and stable, the upper powder of equipment is uniform；It is logical
It crosses powder amount adjusting knife up and down or back-and-forth motion is located on the motion profile of powdery paints, play and intercept part powdery paints
Effect, can not only reduce powder amount, control coating layer thickness, planar or stratiform that powdery paints is cut into can also be risen
It is uniformly acted on to upper powder；By going out powdery paints rebound guidance of the powder shape adjustment plate by ejection with planar ejection, to spray
Applying mobile big flat work pieces can achieve the purpose for improving upper powder uniformity；Pass through the electricity between high-pressure electrostatic acusector and workpiece
It is dizzy, keep powdery paints sufficiently charged, be adsorbed on the workpiece of ground connection, the consistency of coating can be improved；By a row or more
The spray gun of distribution is arranged simultaneously to workpiece pulverized powder coating, spray efficiency not only can be improved, powder can also be further increased
Uniformity.Therefore, which is very suitable to the big flat work pieces coating for needing homogeneous film thickness, fast moving.
Embodiment 2
Fig. 6 is the structural schematic diagram of the powder coating production line of the utility model.
As shown in fig. 6, on the basis of embodiment 1, the present embodiment 2 provides a kind of powder coating production line, comprising: use
In the pipeline and foregoing uniform powder spray equipment 5 of conveying workpieces 3；The uniform powder spray equipment 5 be suitable for according to
It is secondary to be fixed on 6 side of pipeline, to carry out powder spray to workpiece surface respectively.Specifically, the uniform powder spray equipment
Circular state when suitable for by the powdery paints of ejection by exporting is adjusted in planar, is then painted on the table of Moving Workpieces again
Face, the uniformity of powder in raising.
Optionally, the workpiece can be, but not limited to the continuous workpieces such as the color steel plate conveyed by pipeline and color aluminium sheet.
The two sides of workpiece can be set in each uniform powder spray equipment, to carry out powder spray to its two sides.When the spray-coating surface of workpiece
Need to carry out multilayer spraying (such as when needing coating prime lacquer and flour or when colour changing sprays), it can be in the spray-coating surface one of workpiece
Lateral edge workpiece motion s direction sets gradually multiple uniform powder spray equipments, to meet production requirement.
Specific structure and implementation process about uniform powder spray equipment are discussed referring to the correlation of embodiment 1, herein not
It repeats again.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (10)
1. a kind of uniform powder spray equipment characterized by comprising
At least one spray gun (1) and out powder regulating mechanism (2)；
The spray gun (1) is suitable for spraying powdery paints；And
After described powder regulating mechanism (2) out are suitable for adjusting shape and/or powder amount of powdery paints, then it is made to be sprayed on workpiece (3)
Surface.
2. uniform powder spray equipment according to claim 1, which is characterized in that
Powder regulating mechanism (2) out include: that the powder amount between spray gun (1) and workpiece (3) adjusts knife (21)；
The powder amount adjusts knife (21) and is suitable for moving up and down, to arrive at the powdery paints on workpiece (3) surface for intercepting part.
3. uniform powder spray equipment according to claim 1, which is characterized in that
It is described go out powder regulating mechanism (2) further include: be located at spray gun (1) exit go out powder shape adjustment plate (22)；
It is described go out powder shape adjustment plate (22) be suitable for after the rebound of powdery paints that spray gun (1) sprays and/or guiding and be planar,
It is sprayed into workpiece (3) surface again.
4. uniform powder spray equipment according to claim 3, which is characterized in that
The powder shape adjustment plate (22) out is arc panel；
The spray gun (1) is installed close to powder shape adjustment plate (22) out.
5. uniform powder spray equipment according to claim 1-3, which is characterized in that
The uniform powder spray equipment further include: several high-pressure electrostatic acusectors (4)；
The high-pressure electrostatic acusector (4) is arranged towards workpiece (3)；And
The workpiece (3) is suitable for ground connection setting, to pass through Electrostatic Absorption powdery paints.
6. uniform powder spray equipment according to claim 5, which is characterized in that
The high-pressure electrostatic acusector (4) is located above the outlet of spray gun (1), so as to form corona between spray gun (1) and workpiece (3)
Space, to make to be attached to workpiece surface into charge painting on the powdery paints band in the space.
7. uniform powder spray equipment according to claim 5, which is characterized in that
The high-pressure electrostatic acusector (4) is located at the back side that powder amount adjusts knife (21) so that powder amount adjust knife (21) and workpiece (3) it
Between form corona space, thus make by powder amount adjust knife (21) adjust after powdery paints band on charge painting be attached to workpiece table
Face.
8. uniform powder spray equipment according to claim 5, which is characterized in that
The high-pressure electrostatic acusector (4) be located at powder shape adjustment plate (22) tail portion, with use powder shape adjustment plate (22) with
Workpiece forms corona space between (3), to make charge on the powdery paints band after going out powder shape adjustment plate (22) and adjusting
Painting is attached to workpiece surface.
9. uniform powder spray equipment according to claim 5, which is characterized in that
The spray gun (1) is multiple and is in a row or multi-row distribution, and the spacing of adjacent two spray guns (1) is 5- in every row
20cm；
The high-pressure electrostatic acusector is arranged in a one-to-one correspondence with spray gun, wherein the distance of every row's high-pressure electrostatic acusector is 15-30 centimetres.
10. a kind of powder coating production line characterized by comprising
Pipeline and several uniform powder spray equipments as described in claim 1 for conveying workpieces；And
Each uniform powder spray equipment is suitable for being sequentially fixed at the side of pipeline, to carry out powder spray to workpiece surface respectively
It applies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822227334.9U CN209646781U (en) | 2018-12-27 | 2018-12-27 | Uniform powder spray equipment and powder coating production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822227334.9U CN209646781U (en) | 2018-12-27 | 2018-12-27 | Uniform powder spray equipment and powder coating production line |
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| Publication Number | Publication Date |
|---|---|
| CN209646781U true CN209646781U (en) | 2019-11-19 |
Family
ID=68519216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822227334.9U Active CN209646781U (en) | 2018-12-27 | 2018-12-27 | Uniform powder spray equipment and powder coating production line |
Country Status (1)
| Country | Link |
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| CN (1) | CN209646781U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109675738A (en) * | 2018-12-27 | 2019-04-26 | 江苏变色龙微粉技术有限公司 | Uniform powder spray equipment and its working method and powder coating production line |
| CN115368804A (en) * | 2022-09-17 | 2022-11-22 | 左志勇 | Powder coating and spraying method with high powder coating efficiency |
-
2018
- 2018-12-27 CN CN201822227334.9U patent/CN209646781U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109675738A (en) * | 2018-12-27 | 2019-04-26 | 江苏变色龙微粉技术有限公司 | Uniform powder spray equipment and its working method and powder coating production line |
| CN115368804A (en) * | 2022-09-17 | 2022-11-22 | 左志勇 | Powder coating and spraying method with high powder coating efficiency |
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