CN216857069U

CN216857069U - Corona ring

Info

Publication number: CN216857069U
Application number: CN202123355537.4U
Authority: CN
Inventors: 陈锦文
Original assignee: Guangdong Leshitu Intelligent Technology Co ltd
Current assignee: Guangdong Leshitu Intelligent Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-07-01
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a corona ring, which comprises a shell, wherein one end of the shell is provided with a mounting groove, the outer wall of one side of the mounting groove is provided with jacks distributed equidistantly, one end of the shell, away from the mounting groove, is provided with an operating cavity, the inner wall of the operating cavity is provided with connecting rods distributed equidistantly, one end of each of a plurality of the connecting rods is provided with a same rear cover, one end of each of the plurality of the connecting rods, away from the rear cover, is provided with a mounting pad, the outer wall of one side of the rear cover is provided with a handle, the outer wall of one side of the mounting pad is provided with an electricity leading needle, one end of the electricity leading needle penetrates through the inner wall of one side of the operating cavity and is positioned on the inner wall of each jack, the inner wall of each jack is provided with air holes distributed equidistantly, and each air hole is communicated with the outer surface of the electricity leading needle. The corona ring disclosed by the utility model has the effect of ensuring the uniformity of an electric field and avoiding the interference of air flow when the powder is cleaned.

Description

Corona ring

Technical Field

The utility model relates to the field of powder spraying tools, in particular to a corona ring.

Background

Corona rings (corona rings) are the term of electrical engineering published in 1998, and are applied to electrostatic powder spraying guns, wherein electrostatic spraying utilizes the action of an electrostatic field to uniformly coat paint particles on the surface of an object under the action of an electric field force, and the electric field between the spray gun and the object to be coated is not uniform due to the action of the electric field and other peripheral objects, so that the sprayed paint particles are not uniformly distributed. The action of the corona ring is to "homogenize" the action of the peripheral object on the electric field, even if the influence of the peripheral object on the electric field is changed into the influence of the corona ring on the electric field. Thereby reducing or eliminating the influence of other objects around the spraying device on the spraying effect.

Current corona ring has mostly all considered the electricity influence of drawing to the electricity subassembly to the electrode needle that draws when the design, and draws the electricity subassembly and is adhered to the back by the powder, but the powder that can't effectual clearance fall the electricity subassembly and then eliminate the influence, in current a small number of powder clearance modes, all can more or less influence the air current trend of powder gun shower nozzle, and then the going on of whole spraying of interference.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a corona ring, which aims to solve the technical problem that the air flow direction of a spray head of a powder gun is influenced to a greater or lesser extent in the existing few powder cleaning modes.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a corona ring comprises a shell, wherein one end of the shell is provided with a mounting groove, the outer wall of one side of the mounting groove is provided with jacks distributed at equal intervals, an operation cavity is arranged at one end of the shell body far away from the installation groove, connecting rods distributed at equal intervals are arranged on the inner wall of the operation cavity, one end of each connecting rod is provided with a same rear cover, mounting pads are arranged at one ends of the connecting rods far away from the rear covers, the outer wall of one side of the rear cover is provided with a handle, the outer wall of one side of the mounting pad is provided with an electric-conducting needle, one end of the electricity-leading needle passes through the inner wall of one side of the operation cavity and is positioned on the inner wall of the jack, the inner wall of the jack is provided with air holes distributed at equal intervals, the air holes are communicated with the outer surface of the electricity-leading needle, one end of the shell is provided with air guide baffles which are distributed at equal intervals, and the air guide baffles are matched with the electricity guide needles for use;

the electricity guide needle is followed the jack of mounting groove inner wall and is leaned out, needle point department up to the electricity guide needle lies in the central line of breach perpendicular, effectual even electric field when guaranteeing the electricity guide needle can cooperate electrode needle release high-voltage static in the spray gun, along with the air current gets into the back from the wind hole, again from the impact of the contact gas pocket position high wind speed of every electricity guide needle and jack, the electricity guide needle outer wall powder that even electric field was used is blown away totally, simultaneously the wind that blows out along the gas pocket can be under the guide of wind-guiding baffle, arrange to the side of corona ring casing, when even having guaranteed that the even electric field effect of every electricity guide needle is better, the impact influence of air current to the process of dusting has still effectively been avoided.

In a preferred aspect, a ventilation mechanism is provided inside the operation chamber, and the ventilation mechanism includes: the fan comprises a lantern ring, a dispersion fan, air holes and a filter plate, wherein the air holes are formed in the inner wall of one side of the operation cavity, the filter plate is safely arranged on the inner wall of the air holes, the air holes are of an inclined vent structure, the lantern ring is connected to the inner wall of the operation cavity through a bearing, and the dispersion fan is arranged on the circumferential outer wall of the lantern ring at equal intervals;

along with the start-up of spray gun, the casing that inserts the spray gun second adapter sleeve is not far away and is equipped with the wind hole that the equidistance distributes, mixes the air current part that has the powder and flees into in the wind hole, then enters into the operation chamber after the filtration of filter, and then relies on the mode that the air current strikes to drive the lantern ring and rotate in the inside of operation chamber, and the pivoted in-process advances to be dispersed to each air hole department by the wind that the wind hole was introduced, guarantees that the air current blows and draws the electrical acupuncture surface more synchronous, unified.

In a preferred scheme, conducting rings are distributed on the inner wall of one side of the operation cavity at equal intervals, conducting rods are arranged on the outer walls of the two conducting rings on the adjacent sides, and the conducting rings are in contact with the electricity leading needles;

through the conducting ring and the conducting rod which are arranged, the influence of objects on the periphery of the electrode needle can be uniformly reduced, and the electrode needle in the spray gun equipment can stably release high-voltage static electricity, so that the orderly operation of electrostatic powder spraying is guaranteed.

From the above, a corona ring comprises a shell, wherein one end of the shell is provided with a mounting groove, jacks distributed equidistantly are arranged on the outer wall of one side of the mounting groove, an operation cavity is arranged at one end, far away from the mounting groove, of the shell, connecting rods distributed equidistantly are arranged on the inner wall of the operation cavity, one end of each connecting rod is provided with a same rear cover, one end, far away from the rear cover, of each connecting rod is provided with a mounting pad, the outer wall of one side of the rear cover is provided with a handle, the outer wall of one side of the mounting pad is provided with an electricity-guiding needle, one end of the electricity-guiding needle penetrates through the inner wall of one side of the operation cavity and is positioned on the inner wall of the jacks, the inner wall of the jacks is provided with air holes distributed equidistantly, the air holes are communicated with the outer surface of the electricity-guiding needle, one end of the shell is provided with air-guiding baffles distributed equidistantly, the air guide baffle is matched with the electricity guide needle for use. The corona ring provided by the utility model can ensure the uniformity of an electric field and simultaneously can avoid the technical effect of interference caused by air flow when powder is cleaned.

Drawings

Fig. 1 is an overall structure diagram of a corona ring according to the present invention.

Fig. 2 is a cross-sectional view of a corona ring according to the present invention.

Fig. 3 is an enlarged structural diagram of a corona ring at a according to the present invention.

Fig. 4 is a schematic view of a dispersion fan structure of a corona ring according to the present invention.

Fig. 5 is a schematic diagram of a conductive ring structure of a corona ring according to the present invention.

In the drawings: 1. a housing; 2. a needle for electrical conduction; 3. an air guide baffle; 4. a first connecting sleeve; 5. a second connecting sleeve; 6. air holes; 7. an operating chamber; 8. a mounting mat; 9. air holes; 10. conducting rings; 11. a connecting rod; 12. a rear cover; 13. a handle; 14. a filter plate; 15. a collar; 16. a dispersion fan; 17. a conductive rod.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

The corona ring disclosed by the utility model is mainly applied to a powder cleaning mode, and can influence the scene of the airflow direction of a spray head of a powder gun.

Referring to fig. 1 and 2, a corona ring comprises a housing 1, wherein one end of the housing 1 is provided with a mounting groove, jacks distributed equidistantly are formed in the outer wall of one side of the mounting groove, one end of the housing 1, which is far away from the mounting groove, is provided with an operating cavity 7, connecting rods 11 distributed equidistantly are fixedly connected to the inner wall of the operating cavity 7, one end of each connecting rod 11 is provided with a same rear cover 12, one end of each connecting rod 11, which is far away from the rear cover 12, is provided with a mounting pad 8, the outer wall of one side of the rear cover 12 is fixedly connected with a handle 13, the outer wall of one side of the mounting pad 8 is fixedly connected with an electricity-guiding needle 2, one end of the electricity-guiding needle 2, which penetrates through the inner wall of one side of the operating cavity 7, is positioned on the inner wall of each jack, air holes 9 distributed equidistantly are formed in the inner wall of each jack, the air holes 9 are communicated with the outer surface of the electricity-guiding needle 2, one end of the housing 1 is fixedly connected with air-guiding baffles 3 distributed equidistantly, the air guide baffle 3 is matched with the electricity guide needle 2 for use, one end of the air guide baffle 3, which is far away from the shell 1, is bent towards the outer wall of the shell 1, a notch is formed in the outer wall of the air guide baffle 3, and the needle point of the electricity guide needle 2 is positioned on the central line of the vertical surface of the notch;

the electricity-guiding needle 2 is followed in the jack of mounting groove inner wall and is visited out, until the needle point department of electricity-guiding needle 2 is located the central line of breach perpendicular, even electric field when effectual assurance electricity-guiding needle 2 can cooperate electrode needle release high-voltage static in the spray gun, wind dispersion introduced by wind hole 6 is to each gas pocket 9 department, gas pocket 9 sets up the contact position at every electricity-guiding needle 2 and jack, along with the impact of high wind speed, 2 outer wall powder of electricity-guiding needle that even electric field was used are blown apart totally, even assurance every electricity-guiding needle 2's gravitation is the same, the wind that blows out simultaneously along gas pocket 9 can be under the guide of wind guide baffle 3, arrange to the side of corona ring casing 1, avoid the air current to cause the influence to the spraying process.

Referring to fig. 2, 3 and 4, in a preferred embodiment, the inside of the operating chamber 7 is provided with a ventilation mechanism comprising: the fan comprises a lantern ring 15, a dispersing fan 16, an air hole 6 and a filter plate 14, wherein the air hole 6 is formed in the inner wall of one side of an operation cavity 7, the filter plate 14 is fixedly connected to the inner wall of the air hole 6, the air hole 6 is of an inclined vent structure, the lantern ring 15 is connected to the inner wall of the operation cavity 7 through a bearing, the dispersing fan 16 is arranged on the circumferential outer wall of the lantern ring 15 at equal intervals, the fan direction of the dispersing fan 16 is directed to the electricity-leading needle 2 through a rear cover 12, and the dispersing fan 16 is matched with the air hole 6 for use;

along with the start of the spray gun, the housing 1 connected to the second connecting sleeve 5 of the spray gun is provided with the air holes 6 distributed equidistantly, the air flow mixed with the powder partially enters the air holes 6, then enters the operation cavity 7 after being filtered by the filter plate 14, and further drives the dispersion fan 16 on the lantern ring 15 to rotate in the operation cavity 7 in an air flow impact mode, so that the air flow blowing to each air hole 9 is relatively uniform, the powder amount on each electric leading needle 2 is similar, and the electric leading characteristics of the electric leading needles 2 are the same.

Referring to fig. 2 and 5, in a preferred embodiment, conducting rings 10 are fixedly connected to the inner wall of one side of the operation cavity 7, the conducting rods 17 are arranged on the outer walls of two adjacent conducting rings 10, and the conducting rings 10 are in contact with the electric needles 2;

the influence of surrounding objects on the electrode needle in the spray gun is uniformly reduced by utilizing the electricity-leading needle 2, and the electrode needle in the spray gun equipment can stably release high-voltage static electricity.

Referring to fig. 1 and 2, in a preferred embodiment, a first connecting sleeve 4 is fixedly connected to one end of the casing 1 close to the air guide baffle 3, and a second connecting sleeve 5 is fixedly connected to one end of the casing 1 close to the rear cover 12, so that the corona ring can be stably installed on the powder spraying device.

The working principle is as follows: when the electrostatic powder spraying device is used, before the spray gun is started for electrostatic powder spraying, the corona ring is firstly connected to the spray gun, the rear cover 12 is integrally pushed forwards through the handle 13 on the rear cover 12 along with the completion of connection and installation, so that the electricity-leading needle 2 in the operation cavity 7 is extended out from the jack of the inner wall of the installation groove until the needle point of the electricity-leading needle 2 is positioned on the central line of the vertical surface of the notch, the uniform electric field can be effectively ensured when the electricity-leading needle 2 is matched with an electrode needle in the spray gun to release high-voltage static electricity, along with the start of the spray gun, the air holes 6 distributed equidistantly are arranged in the shell 1 connected to the second connecting sleeve 5 of the spray gun, the air flow part mixed with powder enters the air holes 6, then enters the operation cavity 7 after being filtered by the filter plate 14, and further drives the dispersion fan 16 on the sleeve ring 15 to rotate in the operation cavity 7 in a mode of air flow impact, and in the rotating process, the air introduced by the air holes 6 is dispersed to each air hole 9, the gas pocket 9 sets up the contact position at every leading electrical needle 2 and jack, along with the impact of high wind speed, 2 outer wall powders of leading electrical needle that even electric field was used are blown away totally, and the even gravitation of having guaranteed every leading electrical needle 2 is the same, and the wind that blows out simultaneously along gas pocket 9 can be under the guide of air deflector 3, arrange to the side of corona ring casing 1, has avoided the air current to influence the spraying process, and then makes the effect of dusting more perfect.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto. The substitution may be of partial structures, devices, method steps, or may be a complete solution. The technical solution and the inventive concept thereof according to the present invention should be covered by the protection scope of the present invention by equivalent substitution or change.

Claims

1. The utility model provides a corona ring, includes casing (1), its characterized in that, the one end of casing (1) is equipped with the mounting groove, be equipped with the jack that the equidistance distributes on the outer wall of one side of mounting groove, casing (1) is kept away from the one end of mounting groove is equipped with operation chamber (7), be equipped with connecting rod (11) that the equidistance distributes on the inner wall of operation chamber (7), a plurality of same back lid (12) is installed to the one end of connecting rod (11), a plurality of the mounting pad (8) is all installed to the one end that back lid (12) were kept away from in connecting rod (11), be equipped with handle (13) on the outer wall of one side of back lid (12), install on the outer wall of one side of mounting pad (8) and draw electric needle (2), the one end of drawing electric needle (2) is passed one side inner wall of operation chamber (7) is located on the inner wall of jack, be equipped with gas pocket (9) that the equidistance distributes on the inner wall of jack, the air hole (9) is communicated with the outer surface of the electricity-leading needle (2), the air guide baffle (3) distributed at equal intervals is arranged at one end of the shell (1), and the air guide baffle (3) is matched with the electricity-leading needle (2) for use.

2. The corona ring as claimed in claim 1, wherein one end of the air guiding baffle (3) away from the casing (1) is curved towards the outer wall of the casing (1), a notch is formed in the outer wall of the air guiding baffle (3), and the needle point of the electricity guiding needle (2) is located on the central line of the vertical plane of the notch.

3. Corona ring according to claim 1, characterized in that inside the operating chamber (7) there is provided a ventilation mechanism comprising: lantern ring (15), dispersion fan (16), wind hole (6) and filter (14), wind hole (6) are opened on one side inner wall of operation chamber (7), filter (14) are installed on the inner wall of wind hole (6), wind hole (6) set up to slope vent structure.

4. A corona ring according to claim 3, characterized in that said collar (15) is bearing-mounted on the inner wall of said operating chamber (7), and said dispersion fans (16) are mounted equidistantly on the circumferential outer wall of said collar (15).

5. A corona ring according to claim 4, characterized in that the fan direction of the dispersion fan (16) is directed from the back cover (12) to the electrical conducting pins (2), the dispersion fan (16) being used in cooperation with the air holes (6).

6. A corona ring according to any one of claims 1 to 5, wherein the operating chamber (7) is provided with conducting rings (10) on one inner wall and equidistantly spaced, and conducting rods (17) are provided on the outer walls of two adjacent conducting rings (10), and the conducting rings (10) are in contact with the conducting pins (2).

7. A corona ring according to claim 1, characterized in that a first connecting sleeve (4) is provided at one end of the casing (1) close to the wind deflector (3), and a second connecting sleeve (5) is provided at one end of the casing (1) close to the back cover (12).