CN218222967U - Novel powder spraying flat nozzle - Google Patents

Abstract

The utility model relates to a novel flat nozzle of powder spraying, its technical scheme main points are: the method comprises the following steps: the device comprises an inner nozzle, an outer nozzle, a flow guide assembly for guiding the powder coating and a charging assembly for charging the powder coating; the inner nozzle is detachably arranged in the outer nozzle; the discharge hole of the outer nozzle is communicated with the discharge hole of the inner nozzle; a diversion trench is arranged on the inner nozzle; the guide groove is communicated with a discharge hole of the inner nozzle; the flow guide assembly is arranged in the flow guide groove; one end of the charging assembly is respectively abutted against the inner nozzle and the outer nozzle, and the other end of the charging assembly penetrates through the outer nozzle and is arranged above the discharge hole of the outer nozzle; the powder coating spraying device has the advantages of being even in spraying, high in powder coating rate and capable of saving powder coating.

Description

Novel powder spraying flat nozzle

Technical Field

The utility model relates to a powder spraying equipment technical field, more specifically says that it relates to a novel flat nozzle of powder spraying.

Background

The flat nozzle is a common component in powder spraying equipment, an electrode of the traditional flat nozzle is arranged in the middle of an opening of the flat nozzle to charge powder, so that powder paint sprayed out of the flat nozzle is charged and adsorbed on a workpiece; however, when such a flat nozzle is operated and the powder coating material is sprayed from the middle of the opening of the flat nozzle, the powder coating material cannot fill and cover the area under the action of strong electric force, resulting in uneven coverage when the powder coating material is sprayed from the opening of the flat nozzle.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a novel flat nozzle of powder spraying has that the spraying is even, and the powdering rate is high, practices thrift powder coating's advantage.

The above technical object of the present invention can be achieved by the following technical solutions: a novel powder spray flat nozzle comprising: the device comprises an inner nozzle, an outer nozzle, a flow guide assembly for guiding the powder coating and a charging assembly for charging the powder coating; the inner nozzle is detachably arranged in the outer nozzle; the discharge hole of the outer nozzle is communicated with the discharge hole of the inner nozzle; a diversion trench is arranged on the inner nozzle; the flow guide groove is communicated with a discharge hole of the inner nozzle; the flow guide assembly is arranged in the flow guide groove; one end of the charging assembly is respectively abutted against the inner nozzle and the outer nozzle, and the other end of the charging assembly penetrates through the outer nozzle and then is arranged above a discharge hole of the outer nozzle.

Optionally, the flow guiding assembly includes: the guide cone, the fixing ring and the sealing rubber ring; the guide cone is abutted against the inner wall of the fixing ring; the inner wall of the fixing ring is tightly abutted against the inner part of the flow guide groove; the inner wall of the diversion trench is provided with an annular trench; the sealing rubber ring is arranged in the annular groove and is abutted to the fixing ring.

Optionally, the charging assembly: a conductive steel wire ring and a conductive ring; the conducting ring is provided with a mounting groove matched with the conducting steel wire ring; one end of the conductive steel wire ring is arranged in the mounting groove; the outer wall of the inner nozzle is provided with a limiting groove; the other end of the conductive steel wire ring is arranged in the limiting groove, extends through the outer nozzle and then is arranged above the discharge hole of the outer nozzle.

Optionally, the outer wall of the inner nozzle is also provided with a positioning groove; a clamping strip matched with the positioning groove is arranged on the inner wall of the outer nozzle; the positioning groove is connected with the clamping strip in a sliding mode.

Optionally, at least one second sealing rubber ring is arranged on the outer wall of the outer nozzle.

To sum up, the utility model discloses following beneficial effect has: the flow guide groove of the inner nozzle is arranged on the flow assembly, so that the powder coating sprayed out by the flat nozzle is more uniform; the charging assembly is arranged between the inner nozzle and the outer nozzle, so that electrostatic high voltage is not leaked in the transmission process, the electrostatic high voltage is released above the discharge port of the outer nozzle in a centralized manner, powder coating is charged, the uniformity of electrostatic powder spraying is further improved, and the powder coating is saved.

Drawings

FIG. 1 is an assembly view of the present invention;

fig. 2 is an exploded view of the present invention;

fig. 3 is a cross-sectional view of the present invention.

In the figure: 1. an inner nozzle; 2. an outer nozzle; 3. a flow guide assembly; 31. a flow guide cone; 32. a fixing ring; 33. sealing the rubber ring; 4. a charging assembly; 41. a conductive wire loop; 42. conducting rings; 5. an annular groove; 7. a limiting groove; 8. positioning a groove; 9. and a second sealing rubber ring.

Detailed Description

In order to make the objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The terms "vertical," "horizontal," "left," "right," "up," "down," and similar expressions are used for illustrative purposes only and do not indicate or imply that the device or element so referred to must be oriented, constructed and operated in a specific orientation and therefore should not be construed as limiting the invention.

The present invention will be described in detail with reference to the accompanying drawings and examples.

The utility model provides a novel flat nozzle of powder spraying, as shown in fig. 1-3, include: the device comprises an inner nozzle 1, an outer nozzle 2, a flow guide component 3 for guiding the flow of the powder coating and a charging component 4 for charging the powder coating; the inner nozzle 1 is detachably arranged in the outer nozzle 2; the discharge hole of the outer nozzle 2 is communicated with the discharge hole of the inner nozzle 1; a diversion trench is arranged on the inner nozzle 1; the guide groove is communicated with a discharge hole of the inner nozzle 1; the flow guide assembly 3 is arranged in the flow guide groove; one end of the charging component 4 is respectively abutted against the inner nozzle 1 and the outer nozzle 2, and the other end of the charging component penetrates through the outer nozzle 2 and then is arranged above the discharge hole of the outer nozzle 2.

In this embodiment, as shown in fig. 1-3, the discharge ports of the inner nozzle 1 and the outer nozzle 2 are both flat, when the powder spraying apparatus delivers the powder coating to the nozzles for spraying operation, the powder coating firstly enters the diversion trench of the inner nozzle 1, the diversion trench is a T-shaped diversion trench, after being guided by the diversion component 3 in the diversion trench, the powder coating is delivered to the discharge port of the outer nozzle 2 from the discharge port of the inner nozzle 1, and finally the powder coating is delivered to the position of the workpiece from the discharge port of the outer nozzle 2; when the powder coating is sprayed out of the discharge hole of the outer nozzle 2, the charging component 4 which is positioned between the inner nozzle 1 and the outer nozzle 2 and one end of which passes through the outer nozzle 2 and is arranged above the discharge hole of the outer nozzle 2 is electrified, so that the powder coating sprayed out of the discharge hole of the outer nozzle 2 is charged, and is adsorbed on a workpiece, and the spraying operation is completed; the flow guide groove of the inner nozzle 1 is arranged on the flow assembly, so that the powder coating sprayed out by the flat nozzle is more uniform; to charge between subassembly 4 sets up nozzle 1 and outer nozzle 2 including, guaranteed that the static high pressure is not revealed at transmission process, concentrate on the top release of the discharge gate of outer nozzle 2, charge powder coating, further improved the homogeneity of electrostatic powder spraying, practiced thrift powder coating.

Further, the flow guide assembly 3 includes: a diversion cone 31, a fixing ring 32 and a sealing rubber ring 33; the guide cone 31 is abutted against the inner wall of the fixing ring 32; the inner wall of the fixing ring 32 is tightly abutted with the inner part of the guide groove; the inner wall of the diversion trench is provided with an annular groove 5; the sealing rubber ring 33 is arranged in the annular groove 5 and is abutted to the fixing ring 32.

In the present embodiment, as shown in fig. 1 to 3, the guiding gutter of the inner nozzle 1 is a T-shaped guiding gutter; by utilizing the characteristic of the T-shaped groove and the matching of the sealing rubber ring 33, the guide cone 31 and a fixing ring 32 for fixing the guide cone 31 are fixedly abutted inside; when the spraying nozzle works, after entering the inner nozzle 1, the powder coating is buffered by the flow guide cone 31 in the flow guide groove and then uniformly guided to the inner wall of the inner nozzle 1, and then the powder coating is buffered by the discharge hole of the inner nozzle 1 and the discharge hole of the outer nozzle 2 and is softly and uniformly sprayed out from the discharge hole of the outer nozzle 2; overall structure has reduced the spray velocity of the powder coating that spraying equipment sprayed and sent, utilizes less powder spraying speed, can obtain better score, practices thrift the raw materials, improves work efficiency.

Further, the charging assembly 4: a conductive wire ring 41 and a conductive ring 42; the conducting ring 42 is provided with a mounting groove matched with the conducting steel wire ring 41; one end of the conductive steel wire ring 41 is arranged in the mounting groove; the outer wall of the inner nozzle 1 is provided with a limiting groove 7; the other end of the conductive steel wire ring 41 is arranged in the limiting groove 7, extends through the outer nozzle 2 and is positioned above the discharge hole of the outer nozzle 2.

In this embodiment, as shown in fig. 1-3, the conductive wire ring 41 is composed of a wire and a wire ring, when being installed, the conductive ring 42 is disposed in the installation gap between the inner nozzle 1 and the end of the outer nozzle 2 near the spraying device, the wire ring end of the conductive wire ring 41 is disposed in the installation groove of the conductive ring 42, and the wire end of the conductive wire ring 41 passes through the outer nozzle 2 after passing through the limiting groove 7 of the outer wall of the inner nozzle 1, and is disposed above the discharge port of the outer nozzle 2, so as to charge the sprayed powder coating and make it electrically adsorbed on the workpiece; the conductive steel wire ring 41 (electrode) is arranged between the inner nozzle 2 and the outer nozzle 2, so that the electrostatic high voltage is prevented from leaking in the transmission process, the electrostatic high voltage is concentrated above the opening of the flat nozzle to release and charge the powder coating, the electrode is not discharged in the middle of the flat opening, and the problem of uneven spraying of the powder coating caused by a vacuum ionization area generated by a discharge strong electric field in the traditional flat nozzle high voltage is solved; further improving the uniformity of electrostatic powder spraying and saving powder coating.

Furthermore, the outer wall of the inner nozzle 1 is also provided with a positioning groove 8; a clamping strip matched with the positioning groove 8 is arranged on the inner wall of the outer nozzle 2; the positioning groove 8 is connected with the clamping strip in a sliding mode.

In this embodiment, as shown in fig. 2, set up constant head tank 8 and card strip, conveniently install nozzle 1 and outer nozzle 2, appear the structure dislocation and influence the use when preventing the installation.

Further, at least one second sealing rubber ring 9 is arranged on the outer wall of the outer nozzle 2.

In this embodiment, as shown in fig. 1 to 3, at least one second sealing rubber ring is disposed on the outer nozzle 2, so that a sealing effect is achieved during installation, and the powder coating is prevented from entering the conductive ring during use to affect the new conductive performance and reduce the powdering rate.

The novel powder spraying flat nozzle is characterized in that the diversion cone 31 is arranged in the diversion trench of the inner nozzle 1, so that the overall structure of the flat nozzle reduces the spraying speed of powder coating sprayed by spraying equipment, and by utilizing the smaller powder spraying speed, a better upper separation rate can be obtained, raw materials are saved, and the working efficiency is improved; the conductive steel wire ring 41 is arranged between the inner nozzle 1 and the outer nozzle 2, so that the electrostatic high voltage is prevented from leaking in the transmission process, the electrostatic high voltage is released above the opening of the flat nozzle in a concentrated mode, the powder coating is charged, the uniformity of electrostatic powder spraying is further improved, and the powder coating is saved.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the fan belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (5)

1. A novel powder spray flat nozzle, comprising: the device comprises an inner nozzle, an outer nozzle, a flow guide assembly for guiding the powder coating and a charging assembly for charging the powder coating; the inner nozzle is detachably arranged in the outer nozzle; the discharge hole of the outer nozzle is communicated with the discharge hole of the inner nozzle; a diversion trench is arranged on the inner nozzle; the flow guide groove is communicated with a discharge hole of the inner nozzle; the flow guide assembly is arranged in the flow guide groove; one end of the charging assembly is respectively abutted against the inner nozzle and the outer nozzle, and the other end of the charging assembly penetrates through the outer nozzle and then is arranged above a discharge hole of the outer nozzle.

2. The flat nozzle for powder coating of claim 1, wherein said flow guide assembly comprises: the guide cone, the fixing ring and the sealing rubber ring; the guide cone is abutted against the inner wall of the fixing ring; the inner wall of the fixing ring is tightly abutted against the inner part of the flow guide groove; the inner wall of the diversion trench is provided with an annular trench; the sealing rubber ring is arranged in the annular groove and is abutted to the fixing ring.

3. The new powder spray flat nozzle as set forth in claim 1 wherein said charging assembly: a conductive wire ring and a conductive ring; the conducting ring is provided with a mounting groove matched with the conducting steel wire ring; one end of the conductive steel wire ring is arranged in the mounting groove; the outer wall of the inner nozzle is provided with a limiting groove; the other end of the conductive steel wire ring is arranged in the limiting groove, extends through the outer nozzle and then is arranged above the discharge hole of the outer nozzle.

4. The novel flat nozzle for powder spraying of claim 1, wherein the outer wall of the inner nozzle is further provided with a positioning groove; a clamping strip matched with the positioning groove is arranged on the inner wall of the outer nozzle; the positioning groove is connected with the clamping strip in a sliding mode.

5. The flat nozzle for powder spraying of claim 1, wherein at least a second sealing rubber ring is disposed on the outer wall of said outer nozzle.

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