CN216419907U - Spraying device for improving coating uniformity - Google Patents
Spraying device for improving coating uniformity Download PDFInfo
- Publication number
- CN216419907U CN216419907U CN202123011847.4U CN202123011847U CN216419907U CN 216419907 U CN216419907 U CN 216419907U CN 202123011847 U CN202123011847 U CN 202123011847U CN 216419907 U CN216419907 U CN 216419907U
- Authority
- CN
- China
- Prior art keywords
- powder
- spray gun
- outer body
- coating
- uniformity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Electrostatic Spraying Apparatus (AREA)
- Nozzles (AREA)
Abstract
The utility model discloses a spraying device for improving coating uniformity, which belongs to the technical field of powder spraying devices, and comprises a spray gun outer body, wherein the top end of the spray gun outer body is fixedly connected with a power device, the power device is provided with a main driving shaft which is vertically arranged downwards, the main driving shaft penetrates through the interior of the spray gun outer body, the main driving shaft is sequentially provided with a bearing, a powder stirring wheel and a powder spraying fan blade from top to bottom, and the powder stirring wheel and the powder spraying fan blade synchronously rotate; the spray gun is characterized in that a straight-tube-shaped powder chamber is arranged in the spray gun outer body, a gradually-expanded powder outlet is formed in the bottom of the powder chamber, a powder stirring wheel is arranged in the powder chamber, and a powder spraying fan blade is arranged in the powder outlet. The utility model provides a pair of improve spraying device of coating homogeneity can realize the intensive mixing to the powder in step in the spraying process, ensures that the powder is stable, effectively improves the homogeneity of coating.
Description
Technical Field
The utility model relates to an improve spraying device of coating homogeneity belongs to powder spraying device technical field.
Background
Powder coating has been widely used since its advent as an important means for surface treatment. The powder is different from the traditional solvent-based coating, no polluting gas or liquid is discharged in the coating process, the powder is very environment-friendly to the processing environment or the processed product, and the powder becomes one of indispensable means in the surface treatment industry. The powder is adsorbed to a workpiece to form a powdery coating through charging, and the powdery coating is baked at high temperature, leveled and cured to form final coatings with different effects, so that the workpiece is protected and decorated.
Powder spraying device among the prior art is carrying out the application in-process, and the granule of powder is not of uniform size, and direct spraying in the work piece surface after not handling can appear whitewashed unstable phenomenon, can seriously influence the homogeneity of coating.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to not enough in the background art, provide a spraying device who improves coating homogeneity, can realize the intensive mixing to the powder in step in the spraying process, ensure that the powder is stable, effectively improve the homogeneity of coating.
For solving the technical problem, the utility model discloses a following technical scheme:
a spraying device for improving the uniformity of a coating comprises a spray gun outer body, wherein the top end of the spray gun outer body is fixedly connected with a power device;
the power device is provided with a main driving shaft which is arranged downwards vertically, and the main driving shaft penetrates through the inner part of the spray gun outer body;
the main driving shaft is sequentially provided with a bearing, a powder stirring wheel and a powder spraying fan blade from top to bottom, and the powder stirring wheel and the powder spraying fan blade rotate synchronously;
a straight cylindrical powder chamber is arranged in the outer body of the spray gun, and a divergent powder outlet is formed in the bottom of the powder chamber;
the powder stirring wheel is arranged in the powder chamber, and the powder spraying fan blade is arranged in the powder outlet.
Furthermore, the top end of the spray gun outer body is provided with an annular connecting part, and the spray gun outer body is connected through an annular connecting part power device.
Further, the axis of the spray gun outer body is vertically arranged.
Furthermore, the upper side and the lower side of the bearing are respectively provided with an annular mounting plate, and the bearing is mounted inside the spray gun outer body through the mounting plates arranged up and down.
Further, the powder chamber is located below the bearing lower mounting plate.
Furthermore, the small diameter end of the powder outlet is connected with the bottom end of the powder chamber, a lower powder plate is arranged at the joint of the powder outlet and the powder chamber, and the lower powder plate is of a pore plate structure.
Furthermore, a powder inlet is arranged on the side wall of the powder chamber and connected with the powder conveying pipe.
Furthermore, the powder spraying fan blade is fixedly connected to the bottom end of the main driving shaft through a fastening bolt.
Further, the power device is a motor.
Furthermore, the powder spraying fan blade is made of polytetrafluoroethylene.
The utility model adopts the above technical scheme after, compare with prior art, have following advantage:
the utility model has the advantages that the stirring wheel and the powder spraying fan blades are assembled on the main driving shaft to realize synchronous high-speed rotation, the powder is fully stirred by the stirring wheel, and is sprayed out from the powder outlet in a divergent shape under the action of the powder spraying fan blades rotating at high speed after being fully stirred, and the divergent powder is uniformly sprayed on the inner wall of the tube body;
the utility model can effectively improve the coating uniformity, the coating uniformity is improved to about 100um from the original 250um, the uniformity is improved by 60 percent, the powder consumption is greatly reduced, and the cost is saved;
the utility model has the characteristics of simple structure, no complex parts, convenient processing and reliable performance in the using process;
the utility model provides a flabellum that dusts adopts the polytetrafluoroethylene material, has fabulous antistatic and high temperature resistant effect, is difficult for gluing powder, jam, and the powder is dispersed effectually.
The present invention will be described in detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1-a power device, 2-a spray gun outer body, 3-a main driving shaft, 4-a powder stirring wheel, 5-a powder spraying fan blade, 6-a fastening bolt, 7-a powder inlet, 8-a powder chamber and 9-a powder outlet.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in figure 1, the utility model provides a spraying device for improving coating uniformity, including the spray gun outer body 2, the axis of the spray gun outer body 2 is vertical setting, and 2 tops of the spray gun outer body are equipped with cyclic annular connecting portion, and the spray gun outer body 2 is through cyclic annular connecting portion and power device 1 fixed connection, power device 1 is located directly over the spray gun outer body 2.
The power device 1 is a motor, and the motor can realize different running speeds.
The power device 1 is provided with a main driving shaft 3 which is arranged vertically downwards, and the main driving shaft 3 is arranged inside the spray gun outer body 2 in a penetrating mode.
The main driving shaft 3 is sequentially provided with a bearing, a powder stirring wheel 4 and a powder spraying fan blade 5 from top to bottom, and the main driving shaft 3 synchronously drives the powder stirring wheel 4 and the powder spraying fan blade 5 to rotate.
The upper side and the lower side of the bearing are respectively provided with an annular mounting plate, the bearing is mounted inside the spray gun outer body 2 through the mounting plates arranged up and down, and the bearing is used for keeping the central position of the main driving shaft 3.
A straight cylindrical powder chamber 8 is arranged in the spray gun outer body 2, and the powder chamber 8 is positioned below the bearing lower mounting plate.
The bottom of the powder chamber 8 is provided with a gradually-expanded powder outlet 9; the small-diameter end of the powder outlet 9 is connected with the bottom end of the powder chamber 8, and a lower powder plate is arranged at the connection part of the powder outlet 9 and the powder chamber 8; the lower powder plate is of a pore plate structure.
The powder chamber 8 is provided with a powder inlet 7 on the side wall, the powder inlet 7 is connected with a powder conveying pipe, powder is conveyed by compressed air, and the powder enters the powder chamber 8 from the powder inlet 7 through the powder conveying pipe.
The powder stirring wheel 4 is arranged in the powder chamber 8, and the powder stirring wheel 4 rotating at a high speed is used for fully stirring the powder.
The powder spraying fan blade 5 is arranged in the powder outlet 9, and the powder spraying fan blade 5 is fixedly connected to the bottom end of the main driving shaft 3 through a fastening bolt 6; the powder is sprayed out in a divergent mode under the action of the powder spraying fan blades 5 rotating at a high speed and is uniformly sprayed on the inner wall of the tube body.
The powder spraying fan blade 5 is made of polytetrafluoroethylene, has excellent antistatic and high-temperature resistant effects, is not easy to stick and block powder, and has good powder dispersing effect.
The utility model discloses a concrete theory of operation:
the powder stirring wheel 4 and the powder spraying fan blade 5 of the utility model are assembled on the main driving shaft 3 and are synchronously driven by the power device 1 arranged at the upper end of the spray gun outer body 2 to rotate at high speed;
the powder is conveyed by compressed air, the powder enters the powder chamber 8 from the powder inlet 7 through the powder conveying pipe, the powder is fully stirred in the powder chamber 8 through the powder stirring wheel 4, the fully-stirred powder passes through the powder discharging plate, the powder is sprayed out from the powder outlet 9 in a divergent shape under the action of the powder spraying fan blades 5 rotating at a high speed, the divergent powder is uniformly sprayed on the inner wall of the pipe body, and the powder is adhered to the inner wall of the pipe body through heating and curing to form an inner coating.
The utility model has the main characteristics that:
1. the uniformity of the coating is effectively improved from original 250um to about 100um, the uniformity is improved by 60 percent, the powder consumption is greatly reduced, and the cost is saved;
2. the structure is simple, no complex parts exist, the processing is convenient, and the performance is reliable in the using process;
3. the powder spraying fan blade is made of polytetrafluoroethylene, has excellent antistatic and high-temperature resistant effects, is not easy to stick and block powder, and has good powder dispersing effect;
4. the running speed is high, the rotating speed is adjustable, different running speeds can be realized by selecting a speed change power device, the rotating speed is 6000r/min in an idle running mode, and the load rotating speed is 3000 r/min.
The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.
Claims (10)
1. The utility model provides an improve spraying device of coating homogeneity which characterized in that: comprises a spray gun outer body (2), wherein the top end of the spray gun outer body (2) is fixedly connected with a power device (1);
the power device (1) is provided with a main driving shaft (3) which is vertically arranged downwards, and the main driving shaft (3) is arranged in the spray gun outer body (2) in a penetrating way;
the main driving shaft (3) is sequentially provided with a bearing, a powder stirring wheel (4) and a powder spraying fan blade (5) from top to bottom, and the powder stirring wheel (4) and the powder spraying fan blade (5) rotate synchronously;
a straight cylindrical powder chamber (8) is arranged in the spray gun outer body (2), and a divergent powder outlet (9) is formed in the bottom of the powder chamber (8);
the powder stirring wheel (4) is arranged in the powder chamber (8), and the powder spraying fan blade (5) is arranged in the powder outlet (9).
2. A coating apparatus for improving the uniformity of a coating according to claim 1, wherein: the top end of the spray gun outer body (2) is provided with an annular connecting part, and the spray gun outer body (2) is connected with a power device (1) through the annular connecting part.
3. A spray coating device for improving coating uniformity as claimed in claim 1, wherein: the axis of the spray gun outer body (2) is vertically arranged.
4. A coating apparatus for improving the uniformity of a coating according to claim 1, wherein: the upper side and the lower side of the bearing are respectively provided with an annular mounting plate, and the bearing is mounted inside the spray gun outer body (2) through the mounting plates arranged up and down.
5. A coating apparatus for improving the uniformity of a coating according to claim 4, wherein: and the powder chamber (8) is positioned below the mounting plate at the lower part of the bearing.
6. A coating apparatus for improving the uniformity of a coating according to claim 1, wherein: the small-diameter end of the powder outlet (9) is connected with the bottom end of the powder chamber (8), a lower powder plate is arranged at the joint of the powder outlet (9) and the powder chamber (8), and the lower powder plate is of a pore plate structure.
7. A coating apparatus for improving the uniformity of a coating according to claim 1, wherein: and a powder inlet (7) is formed in the side wall of the powder chamber (8), and the powder inlet (7) is connected with a powder conveying pipe.
8. A coating apparatus for improving the uniformity of a coating according to claim 1, wherein: the powder spraying fan blades (5) are fixedly connected to the bottom end of the main driving shaft (3) through fastening bolts (6).
9. A coating apparatus for improving the uniformity of a coating according to claim 1, wherein: the power device (1) is a motor.
10. A coating apparatus for improving the uniformity of a coating according to claim 1, wherein: the powder spraying fan blade (5) is made of polytetrafluoroethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123011847.4U CN216419907U (en) | 2021-12-02 | 2021-12-02 | Spraying device for improving coating uniformity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123011847.4U CN216419907U (en) | 2021-12-02 | 2021-12-02 | Spraying device for improving coating uniformity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216419907U true CN216419907U (en) | 2022-05-03 |
Family
ID=81340485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123011847.4U Active CN216419907U (en) | 2021-12-02 | 2021-12-02 | Spraying device for improving coating uniformity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216419907U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115041319A (en) * | 2022-06-08 | 2022-09-13 | 重庆帝彩科技有限公司 | High-efficient environment-friendly powder coating spraying device |
-
2021
- 2021-12-02 CN CN202123011847.4U patent/CN216419907U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115041319A (en) * | 2022-06-08 | 2022-09-13 | 重庆帝彩科技有限公司 | High-efficient environment-friendly powder coating spraying device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204583572U (en) | A kind of shaped steel automatic spraying production line | |
| CN109013153A (en) | A kind of woodwork paint spraying apparatus of efficient uniform | |
| CN216419907U (en) | Spraying device for improving coating uniformity | |
| CN206404959U (en) | A kind of handware automates surface lacquer processing unit | |
| CN206763221U (en) | The outdoor true mineral varnish spraying equipment of one kind building | |
| CN206444810U (en) | A kind of Dacroment coating centrifugation all-in-one of convenient use | |
| CN108295685A (en) | A kind of cable skin coatings injection-moulding device | |
| CN212595410U (en) | Water based paint mixing arrangement | |
| CN206967709U (en) | A kind of uniform refractory gunning equipment in azulejo surface | |
| CN207507390U (en) | A kind of coating uniformly mixes mechanical device | |
| CN206701145U (en) | A kind of food inspection agitating device | |
| CN206082383U (en) | Utilize stirred tank production high viscosity carbon nanotube paste's device | |
| CN206229288U (en) | A kind of pneumatic batch mixing type forage compounding mixing arrangement | |
| CN210993814U (en) | Graphene slurry atomization system for lead-acid storage battery | |
| CN105251642B (en) | A kind of wu-zhi-shan pig spraying equipment and technique | |
| CN2822799Y (en) | Machine for spraying thermal insulation coatings onto high temp furnace or kiln | |
| CN208105793U (en) | A kind of paint for wall automatic plastering machinery hand | |
| CN215964400U (en) | Spraying device is used in luggage pull rod processing | |
| CN208510054U (en) | A kind of feed fat flush coater | |
| CN206351059U (en) | A kind of brick-making raw material mixing plant with anti-airborne dust and crushing function | |
| CN206404961U (en) | Prepared by a kind of automobile uses streamline constant pressure spray-painting plant | |
| CN211660329U (en) | Spraying equipment for uniformly spraying paint on surface of furniture | |
| CN113478398A (en) | 360-degree-rotation automatic sand blasting mechanism of spray gun | |
| CN208594264U (en) | A kind of efficient process units of washing powder | |
| CN207626093U (en) | Tea tree fertilizer apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |