Detachable ultrasonic surface coating head

Abstract

The utility model discloses a detachable ultrasonic surface coating head which comprises a mounting shell which is of a roller-shaped shell structure, a spraying pipe is sleeved with the mounting shell in a concentric circle mode, an ultrasonic generator is installed on the outer layer of the spraying pipe, the top end of the spraying pipe is connected with a liquid material guide hopper through a hose, and the liquid material guide hopper is connected with an ultrasonic generator. And the spraying pipe and the ultrasonic generator are mounted in the mounting shell to form a main structure of the ultrasonic spray head. According to the detachable ultrasonic surface coating head, the detachable outer spray head and the detachable inner spray head which are mounted at the bottom end of the mounting shell are of detachable structural design, so that the detachable inner spray head can be replaced according to the characteristics of different coatings, and the detachable outer spray head can be used for high-viscosity coatings; the detachable inner spray head part with a larger nozzle and a stronger ultrasonic vibration component can be replaced to ensure that the coating is smoothly sprayed out and uniformly coated, so that the spray head part is quickly attached when different coating requirements are met, and better adaptability is shown.

Description

TECHNICAL FIELD

[0001] The utility model relates to surface coating technical field, concretely is a detachable ultrasonic surface coating head. BACKGROUND

[0002] When coating different kinds of paint, different spray head structures may be needed to achieve the best coating effect, and the application of ultrasonic technology in the field of surface coating is mainly to form uniform small droplets of paint at the outlet of the spray head through ultrasonic vibration, thereby achieving a more delicate coating effect. Traditional surface coating spray heads are mostly designed in one piece. This structure has many inconveniences when dealing with different paints or damaged spray head components,

[0003] After coating paint containing impurities with the traditional one-piece spray head, the flow channel is blocked or worn out, and the internal flow channel cannot be repaired or replaced individually. Only the spray head can be replaced as a whole, increasing the cost and waste of resources. In addition, when the ultrasonic generating device fails, the repair or replacement process is relatively complex, and the connection between the ultrasonic generating device and the spray head body is mostly fixed, increasing the difficulty of maintenance. SUMMARY

[0004] The utility model aims at providing a detachable ultrasonic surface coating head to solve the problem of traditional one-piece spray head in the above background technology, which is blocked or worn out after coating paint containing impurities, and the connection between the ultrasonic generating device and the spray head body is mostly fixed, increasing the difficulty of maintenance.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a detachable ultrasonic surface coating head, comprising a mounting shell, which is a drum-shaped shell structure, the mounting shell inside is coaxially sleeved with a spraying pipe, and the spraying pipe outer layer is provided with an ultrasonic generator, the top end of the spraying pipe is connected with a liquid material guiding hopper through a hose, and the spraying pipe and the ultrasonic generator are installed inside the mounting shell to form the main structure of the ultrasonic spray head.

[0006] The mounting shell is provided with a protective plate at the opening of the upper end, and the protective plate is connected with the liquid material guiding hopper at the bottom end, the protective plate is penetrated by the generator connection port, and the generator connection port is close to the ultrasonic generator on one side, the ultrasonic generator is installed inside the protective sleeve, and the output end of the ultrasonic generator is close to the surface of the spraying pipe, and the protective sleeve is screw-connected with the mounting shell.

[0007] A sealing plate is installed on the inner wall of the mounting shell, and the sealing plate is located below the protective sleeve and is penetrated by the spraying pipe. The annular plate body of the spraying pipe is arranged close to the surface of the sealing plate, and the annular plate body of the spraying pipe is located above the sealing plate. The annular plate body of the spraying pipe is uniformly provided with a positioning column downward, and the positioning column penetrates the sealing plate. The bottom end of the spraying pipe is provided with a detachable nozzle assembly for matching the spraying pipe to form a detachable ultrasonic nozzle structure, and assisting the uniform coating of the coating.

[0008] The above technical scheme makes the nozzle part a detachable structure, which can be quickly replaced when the parts are damaged.

[0009] Preferably, the mounting shell and the protective plate are provided with a sealing element at the connection, and the bottom end of the side wall of the mounting shell is provided with an L-shaped high-pressure gas pipe, and the high-pressure gas pipe is communicated with the inside of the mounting shell.

[0010] The above technical scheme increases the gas flow of the coating sprayed by the mounting shell to reduce the coating residue at the nozzle port.

[0011] Preferably, the liquid material guide hopper is nested and slidingly installed at the top end of the spraying pipe, and the bottom end of the hopper-shaped inclined surface of the liquid material guide hopper is connected and installed by a hose flush with the inner tube of the spraying pipe.

[0012] The above technical scheme stabilizes the hose at the bottom end of the hopper-shaped inclined surface of the liquid material guide hopper during the cooperation of the longitudinal vibration work of the spraying pipe to stably send the coating into.

[0013] Preferably, the bottom end of the sealing plate is provided with an annular ring, and the inner wall of the annular ring of the sealing plate is provided with a thread. The sealing plate and the inner wall of the mounting shell are provided with a damping element.

[0014] The above technical scheme is used for further separating and limiting the space inside the mounting shell.

[0015] Preferably, the detachable nozzle assembly comprises:

[0016] The mounting sleeve plate is arranged as a double-layer sleeve plate structure rotating in concentric circles, and the outer plate body of the mounting sleeve plate is threadedly connected with the annular ring at the bottom end of the sealing plate.

[0017] The detachable inner nozzle is slidingly connected at the bottom end of the spraying pipe, and the detachable inner nozzle penetrates the mounting sleeve plate.

[0018] The detachable outer nozzle is installed at the bottom end of the mounting shell, and the inner opening of the detachable outer nozzle is penetrated by the detachable inner nozzle, and the detachable inner nozzle and the detachable outer nozzle are arranged in concentric circles.

[0019] The above technical scheme facilitates the disassembly, replacement and maintenance of the nozzle part in a split manner.

[0020] Preferably, the mounting sleeve inner plate is penetrated by the bottom end of the positioning column, and a gap is left between the mounting sleeve and the lower flow distribution plate, and the mounting sleeve is arranged in parallel with the flow distribution plate.

[0021] By the above technical scheme, the mounting sleeve inner plate is mounted with the positioning column, so that the positioning column is stable during longitudinal vibration, and excessive vibration deviation is avoided.

[0022] Preferably, the detachable outer nozzle is mounted with a ring-shaped flow distribution plate at the top end, and the flow distribution plate is located above the opening of the high-pressure gas pipe, and strip-shaped openings are arranged equidistantly in the flow distribution plate.

[0023] By the above technical scheme, the flow direction of the concentrated gas is facilitated through the strip-shaped openings in the flow distribution plate, and the chaotic wandering of the high-pressure gas is avoided.

[0024] Compared with the prior art, the detachable ultrasonic surface coating head has the advantages that:

[0025] 1. The detachable outer nozzle and the detachable inner nozzle mounted at the bottom end of the mounting shell are designed in a detachable structure, so that the detachable inner nozzle can be replaced according to the characteristics of different coatings. For high-viscosity coatings, the detachable inner nozzle part with a larger nozzle and stronger ultrasonic vibration part can be replaced to ensure that the coating is smoothly sprayed and uniformly coated, so that the nozzle part can quickly fit different coating requirements, thereby showing better adaptability. Meanwhile, the concentric arrangement of the detachable outer nozzle and the detachable inner nozzle further facilitates the dispersion of the mist-shaped coating output by the detachable inner nozzle through the high-pressure gas flow, and reduces the resistance and residue of the coating in the flow channel through the flow of the gas.

[0026] 2. The ultrasonic generator, the flow distribution plate, the detachable inner nozzle and the detachable outer nozzle located inside the mounting shell are detachable structures. When the nozzle constructed by the detachable inner nozzle and the detachable outer nozzle, the flow channel constructed by the mounting shell and the flow distribution plate, or the components of the ultrasonic generator are damaged or worn, only the corresponding components need to be replaced for maintenance. Compared with replacing the entire nozzle of the integrated nozzle, the cost of maintenance by disassembling the damaged internal parts is greatly reduced. Meanwhile, maintenance personnel can easily disassemble the faulty components for maintenance or replacement, reducing the maintenance time and the downtime of the equipment. Rapid maintenance can reduce the downtime of the production line caused by nozzle failure, thereby indirectly reducing the production cost. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall external three-dimensional structure of the utility model;

[0028] Figure 2 It is a schematic diagram of the overall internal side cross-sectional three-dimensional structure of the utility model;

[0029] Figure 3 It is the whole internal right section solid structure schematic diagram of the utility model;

[0030] Figure 4 It is the spraying pipe, ultrasonic generator and detachable inner spraying head installation solid structure schematic diagram of the utility model;

[0031] Figure 5 It is the installation shell and protective sleeve split solid structure schematic diagram of the utility model;

[0032] Figure 6 It is the spraying pipe and installation sleeve plate split solid structure schematic diagram of the utility model.

[0033] In the drawing: 1, installation shell;2, protective plate;3, liquid material guide hopper;4, spraying pipe;5, ultrasonic generator;6, generator connecting port;7, protective sleeve;8, sealing plate;9, installation sleeve plate;10, detachable inner spraying head;11, positioning column;12, high-pressure gas pipe;13, detachable outer spraying head;14, shunt plate. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0035] Please refer to Figures 1-6 The utility model provides a kind of technical solutions: a detachable ultrasonic surface coating head, including installation shell 1, protective plate 2, liquid material guide hopper 3, spraying pipe 4, ultrasonic generator 5, generator connecting port 6, protective sleeve 7, sealing plate 8, installation sleeve plate 9, detachable inner spraying head 10, positioning column 11, high-pressure gas pipe 12, detachable outer spraying head 13 and shunt plate 14;

[0036] Among them, installation shell 1, it is drum-shaped shell structure, installation shell 1 inside is concentrically sleeved with spraying pipe 4, and ultrasonic generator 5 is installed on the outer layer of spraying pipe 4, spraying pipe 4 top end is connected with liquid material guide hopper 3 by hose, and spraying pipe 4 and ultrasonic generator 5 are installed in installation shell 1 inside and constitute the main structure of ultrasonic spraying head;

[0037] A protective plate 2 is installed at the opening at the upper end of the mounting housing 1, and the top of the protective plate 2 is engaged with the bottom of the liquid guide hopper 3. The protective plate 2 is penetrated by the generator connection port 6, and the generator connection port 6 is close to the side of the ultrasonic generator 5. The ultrasonic generator 5 is installed inside the protective sleeve 7, and the output end of the ultrasonic generator 5 is close to the surface of the spray tube 4. The protective sleeve 7 is threadedly connected to the mounting housing 1. The liquid guide hopper 3 is nested and slidably installed inside the top of the spray tube 4, and the bottom of the bucket-shaped inclined surface of the liquid guide hopper 3 is connected to the inner tube of the spray tube 4 by a hose. A sealing element is provided at the connection between the mounting housing 1 and the protective plate 2, and an L-shaped high-pressure air pipe 12 is provided at the bottom of the side wall of the mounting housing 1, and the high-pressure air pipe 12 is connected to the inside of the mounting housing 1.

[0038] A sealing plate 8 is installed on the inner wall of the mounting housing 1. The sealing plate 8 is located below the protective sleeve 7, and the protective sleeve 7 is penetrated by the spray pipe 4. The surface of the spray pipe 4 near the sealing plate 8 is provided with an annular plate, and the annular plate of the spray pipe 4 is located above the sealing plate 8. Positioning posts 11 are evenly arranged downward on the surface of the annular plate of the spray pipe 4, and the positioning posts 11 penetrate the sealing plate 8. A detachable nozzle assembly is provided at the bottom end of the spray pipe 4 to cooperate with the spray pipe 4 to form a detachable ultrasonic nozzle structure to assist in the uniform coating of paint. An annular ring is provided at the bottom end of the sealing plate 8, and the inner wall of the annular ring of the sealing plate 8 is provided with threads. Damping elements are provided on the sealing plate 8 and the inner wall of the mounting housing 1.

[0039] Referring to the attached diagrams in the instruction manual Figures 1-6 As shown, the sealed installation of the housing 1 and the protective plate 2 is used to restrict the liquid guide hopper 3 and the spray pipe 4, as follows. Figures 2-3 As shown, during use, the ultrasonic generator 5 is installed inside the protective sleeve 7, as... Figure 5As shown, the protective sleeve 7 is connected to the inner wall of the mounting shell 1, and the generator connecting port 6 is installed in the protective plate 2. When the ultrasonic generator 5 is damaged or fails, the detachable structure of the protective sleeve 7 and the mounting shell 1 facilitates quick replacement of the ultrasonic generator 5, shortens the downtime of the device, and the liquid material guide hopper 3 is flush with the inner pipeline of the spraying pipe 4, which facilitates smooth entry of the paint into the spraying pipe 4 and cooperation with the ultrasonic generator 5. The piezoelectric transducer of the ultrasonic generator 5 is energized to make the spraying pipe 4 vibrate longitudinally, the hose at the upper end of the spraying pipe 4 cooperates with the liquid material guide hopper 3 to guide the paint into the spraying pipe 4, the guide pipe at the output end of the spraying pipe 4 is slidably connected inside the detachable inner nozzle 10, which facilitates the output of the paint. The paint is torn into small droplets by high-frequency ultrasonic oscillation when passing through the ultrasonic generator 5 and is output to the opening of the detachable inner nozzle 10. The sealing plate 8 installed in the inner layer of the mounting shell 1 is penetrated by the positioning column 11, and the positioning column 11 displaces with the longitudinal vibration of the spraying pipe 4. During displacement, the positioning column 11 is slidably connected with the inner plate of the mounting sleeve plate 9, which assists the stable longitudinal vibration of the spraying pipe 4 and increases the stability of the spraying pipe 4 and the detachable inner nozzle 10 in operation;

[0040] The detachable nozzle assembly comprises:

[0041] The mounting sleeve plate 9 is arranged as a double-layer sleeve plate structure rotating in concentric circles, and the outer plate body of the mounting sleeve plate 9 is threadedly connected with the annular ring at the bottom end of the sealing plate 8. The inner plate of the mounting sleeve plate 9 is penetrated by the bottom end of the positioning column 11, and a gap is left between the mounting sleeve plate 9 and the lower flow distribution plate 14, and the mounting sleeve plate 9 and the flow distribution plate 14 are arranged in parallel;

[0042] The detachable inner nozzle 10 is slidably connected at the bottom end of the spraying pipe 4, and the detachable inner nozzle 10 penetrates the mounting sleeve plate 9;

[0043] The detachable outer nozzle 13 is installed at the bottom end of the mounting shell 1, and the inner opening of the detachable outer nozzle 13 is penetrated by the detachable inner nozzle 10. The detachable inner nozzle 10 and the detachable outer nozzle 13 are arranged in concentric circles. The detachable outer nozzle 13 is provided with an annular flow distribution plate 14 at the top end, and the flow distribution plate 14 is located above the pipeline opening of the high-pressure air pipe 12. The flow distribution plate 14 is provided with strip-shaped openings at equal intervals;

[0044] The drawings of the specification Figures 1-6 As shown, the annular ring at the bottom end of the sealing plate 8 is threadedly connected with the outer plate structure of the mounting sleeve plate 9, as shown in Figures 2-3 As shown, the sealing plate 8 is installed inside the mounting shell 1 along with the spraying pipe 4. The detachable inner nozzle 10 at the output end of the spraying pipe 4 forms a conical pipeline structure, as shown in Figures 2-3As shown, the connection between the spraying pipe 4 and the detachable inner nozzle 10 is provided with a guided hose structure, which facilitates the entry of paint into the detachable inner nozzle 10 when the spraying pipe 4 is longitudinally vibrated at a high speed, and the inner wall surface of the detachable inner nozzle 10 is flush with the inner wall surface of the spraying pipe 4 at the connection position, so that the detachable inner nozzle 10 can be replaced to face paint with different viscosities, and the detachable inner nozzle 10 and the detachable outer nozzle 13 can be conveniently replaced and cleaned, so that the repair effect of the ultrasonic spraying head can be quickly maintained, the detachable outer nozzle 13 guides the high-pressure airflow in cooperation with the flow divider 14, so that part of the paint output by the detachable inner nozzle 10 is dispersed when the airflow is output, and the operator can select appropriate nozzle components for assembly according to the coating thickness, coating area and other needs in the specific coating requirements, so that the coating quality can be maintained stably during the long-term coating process, and coating defects such as uneven coating thickness and increased surface roughness caused by the performance degradation of the nozzle can be reduced, wherein the flow divider 14 guides the gas input by the high-pressure gas pipe 12, as shown, so as to concentrate the airflow. Figures 2-3 As shown, the airflow can be concentrated.

[0045] Working principle: when the detachable ultrasonic surface coating head is used, the liquid guide hopper 3 is connected with the external pipeline to guide the paint into the spraying pipe 4, the ultrasonic generator 5 located in the installation shell 1 is connected with the external control equipment and the power system through the generator connection port 6, the paint in the spraying pipe 4 is treated by ultrasonic waves through the work of the ultrasonic generator 5, the detachable inner nozzle 10 installed at the output end of the spraying pipe 4 is disassembled by rotating the outer plate of the mounting sleeve plate 9, the mounting sleeve plate 9 is connected and fixed by the annular ring of the sealing plate 8, so that the detachable outer nozzle 13 is coaxially arranged with the detachable inner nozzle 10, the gas filled in the inner part through the high-pressure gas pipe 12 is introduced into the detachable outer nozzle 13 through the opening of the flow divider 14 and is intercepted by the sealing plate 8 to enter the inner part of the detachable outer nozzle 13, which drives the paint sprayed by the detachable inner nozzle 10 to be quickly and uniformly coated on the surface of the output end, through the detachable design, it can be ensured that all parts of the nozzle are always in the best state, and the parts can be optimized and combined according to different coating tasks, so as to improve the flexibility of the equipment, reduce the production cost and maintenance cost, and increase the practicability.

[0046] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A detachable ultrasonic surface coating head, comprising: a mounting shell (1) which is a drum-shaped shell structure, a spraying pipe (4) is concentrically sleeved inside the mounting shell (1), an ultrasonic generator (5) is mounted on the outer layer of the spraying pipe (4), the top end of the spraying pipe (4) is connected with a liquid material guide hopper (3) through a hose, and the spraying pipe (4) and the ultrasonic generator (5) are mounted inside the mounting shell (1) to form the main structure of the ultrasonic spraying head; characterized in that a protective plate (2) is mounted at the opening of the upper end of the mounting shell (1), the top end of the protective plate (2) is clamped and connected with the bottom end of the liquid material guide hopper (3), the protective plate (2) is penetrated by a generator connecting port (6), the generator connecting port (6) is close to one side of the ultrasonic generator (5), the ultrasonic generator (5) is mounted inside a protective sleeve (7), the output end of the ultrasonic generator (5) is close to the surface of the spraying pipe (4), and the protective sleeve (7) is threadedly connected with the mounting shell (1); a sealing plate (8) is mounted on the inner wall of the mounting shell (1), the sealing plate (8) is located below the protective sleeve (7), the protective sleeve (7) is penetrated by the spraying pipe (4), the surface of the spraying pipe (4) close to the sealing plate (8) is provided with an annular plate body, the annular plate body of the spraying pipe (4) is located above the sealing plate (8), the surface of the annular plate body of the spraying pipe (4) is uniformly provided with a positioning column (11) downward, the positioning column (11) penetrates the sealing plate (8), and a detachable nozzle assembly is arranged at the bottom end of the spraying pipe (4) to form a detachable ultrasonic spraying head structure with the spraying pipe (4) to assist uniform coating of paint.

2. A detachable ultrasonic surface coating head according to claim 1, characterized in that: A sealing element is arranged at the connection between the mounting shell (1) and the protective plate (2), an L-shaped high-pressure gas pipe (12) is arranged at the bottom end of the side wall of the mounting shell (1), and the high-pressure gas pipe (12) communicates with the inside of the mounting shell (1).

3. A detachable ultrasonic surface coating head according to claim 1, wherein: The inside of the liquid material guide hopper (3) is nested and slidingly mounted with the top end of the spraying pipe (4), and the bottom end of the hopper-shaped inclined surface of the liquid material guide hopper (3) is connected and mounted with the inner pipe of the spraying pipe (4) by a hose.

4. The detachable ultrasonic surface coating head of claim 1, wherein: The bottom end of the sealing plate (8) is provided with an annular ring, the inner wall of the annular ring of the sealing plate (8) is provided with threads, and the sealing plate (8) and the inner wall of the mounting shell (1) are provided with a damping element.

5. The detachable ultrasonic surface coating head of claim 1, wherein: The detachable nozzle assembly comprises: a mounting sleeve plate (9) which is provided as a double-layer sleeve plate structure rotating in concentric circles, and the outer plate body of the mounting sleeve plate (9) is threadedly connected with the annular ring at the bottom end of the sealing plate (8); a detachable inner nozzle (10) which is slidingly connected at the bottom end of the spraying pipe (4), and penetrates the mounting sleeve plate (9); a detachable outer nozzle (13) which is mounted at the bottom end of the mounting shell (1), the inside of the detachable outer nozzle (13) is penetrated by the detachable inner nozzle (10), and the detachable inner nozzle (10) and the detachable outer nozzle (13) are provided in concentric circles.

6. A detachable ultrasonic surface coating head according to claim 5, wherein: The inner plate of the mounting sleeve plate (9) is penetrated by the bottom end of the positioning column (11), and a gap is left between the mounting sleeve plate (9) and the lower flow distribution plate (14), and the mounting sleeve plate (9) is arranged in parallel with the flow distribution plate (14).

7. A detachable ultrasonic surface coating head according to claim 5, wherein: The top end of the detachable outer nozzle (13) is provided with an annular flow distribution plate (14), and the flow distribution plate (14) is located above the pipeline opening of the high-pressure air pipe (12), and strip-shaped openings are arranged equidistantly in the flow distribution plate (14).

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