CN115106216A

CN115106216A - Spraying device

Info

Publication number: CN115106216A
Application number: CN202210839071.5A
Authority: CN
Inventors: 张安华; 孙付仲; 杨征
Original assignee: Nanjing Tech University
Current assignee: Nanjing Tech University
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2022-09-27
Anticipated expiration: 2042-07-18
Also published as: CN115106216B

Abstract

The invention provides a spraying device which comprises an air compressor, a viscose stirrer, a viscose sprayer and a vibration platform, wherein the air compressor provides aerodynamic force for the device; fully stirring the viscose and the solid particles by using a viscose stirrer; the viscose spray head sprays a mixture of viscose and solid particles; the viscose sprayer conveys a mixture of viscose and solid particles to a viscose sprayer; the viscose stirrer is fixedly arranged on the vibration platform, and prevents solid particles from depositing under the vibration effect, so that the problem that the surface of non-metal tiny solid particles is difficult to generate static electricity and cannot be adsorbed on the surface of a plate, and the spraying is not uniform is solved; the metal particle powder footpath is great, leads to producing under great impact force effect and kick-backs, or adsorption time is short, and leads to the inhomogeneous problem of spraying, adopts the viscose as the carrier, mixes solid particle and viscose together to even spraying is on panel.

Description

Spraying device

Technical Field

The invention relates to the technical field of mechanical equipment, in particular to a spraying device.

Background

The traditional spraying is mainly finished by the principle of electrostatic adsorption, such as spraying, but for nonmetal tiny solid particles, static electricity is not easy to generate on the particle surface and cannot be adsorbed on the surface of a plate, so that the spraying is not uniform; for metal particles with larger powder diameter, larger impact force is generated during spraying due to the larger powder diameter, so that the metal particles are difficult to adsorb on the surface of a workpiece, for example, brazing powder needs to be sprayed on the surface of a plate during brazing, but the brazing powder rebounds under the action of the larger impact force due to the larger particles of the brazing powder, and even if the brazing powder can be adsorbed on the surface of the plate, the adsorption time is shorter, so that the brazing process cannot be completed.

Disclosure of Invention

The spraying device disclosed by the invention solves the problem that the surface of non-metal micro solid particles is difficult to generate static electricity and cannot be adsorbed on the surface of a plate, so that the spraying is not uniform; the metal particle powder footpath is great, leads to producing under great impact force effect and kick-backs, or adsorption time is short, and leads to the inhomogeneous problem of spraying, adopts the viscose as the carrier, mixes solid particle and viscose together to even spraying is on panel.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

the invention discloses a spraying device which comprises an air compressor, a viscose stirrer, a viscose sprayer and a vibration platform, wherein the air compressor is used for providing aerodynamic force for the device; the viscose stirrer is used for fully stirring viscose and solid particles; the viscose spray head is used for spraying a mixture of viscose and solid particles; the viscose sprayer is used for conveying a mixture of viscose and solid particles to the viscose sprayer; the viscose stirrer is fixedly arranged on the vibration platform, and solid particles are prevented from being deposited under the vibration action of the vibration platform;

an air outlet of the air compressor is respectively connected with the viscose stirrer, the viscose spray head and the viscose spraying device through air pipelines; the viscose stirrer is connected with the viscose spraying device through a liquid pipeline; the viscose spraying device is connected with the viscose spray head through a liquid pipeline;

in putting into the viscose agitator with viscose and solid particle manually, the viscose agitator will viscose and solid particle intensive mixing are even, and vibration platform continuously vibrates simultaneously, in order to prevent the solid particle deposit, even viscose and solid particle mixture of stirring pass through liquid pipeline and get into the viscose eruption ware, the viscose eruption ware pours into viscose and solid particle mixture into to the viscose shower nozzle, and simultaneously, air compressor pours high-pressure gas into the viscose shower nozzle into, make the viscose and the solid particle mixture atomizing in the viscose shower nozzle and spray out, accomplish the spraying action.

Further, the viscose glue sprayer comprises a viscose glue sprayer body, a containing cavity is formed inside the viscose glue sprayer body, and a first viscose glue injection port, a first viscose glue outflow port and a first air source port are formed in the wall surface of the containing cavity; the viscose eruption device is characterized in that a first piston is arranged inside the viscose eruption device body, one side face of the first piston is connected with a first piston rod, and two ends of the first piston rod are fixedly connected with first position sensors.

Further, the viscose stirrer comprises a viscose stirrer body, a stirring cavity is formed inside the viscose stirrer body, and a second viscose injection port, a first viscose outflow port, a second gas source port and a solid particle adding port are formed in the wall surface of the stirring cavity; the viscose stirrer is characterized in that a second piston is arranged inside the viscose stirrer body, a second piston rod is connected to one side face of the second piston, and second position sensors are fixedly connected to two ends of the second piston rod.

Furthermore, a third main adhesive inlet and a third air source port are formed in the adhesive spray head, the adhesive spray head comprises an adhesive spray head body, a spray head cavity is formed in the adhesive spray head body, and a conical hole is formed in the spraying part of the spray head cavity; the viscose spray nozzle comprises a viscose spray nozzle body and is characterized in that a throttle plate is arranged in the viscose spray nozzle body, a plurality of through holes are formed in the throttle plate, a mandrel is arranged at the central shaft of the viscose spray nozzle body, a pipeline is arranged on the mandrel, and a conical outlet is formed in the outlet of the pipeline.

Furthermore, the throttle plate is provided with a through hole.

Furthermore, a first air path switch is arranged on a gas pipeline between the air compressor and the viscose spray head.

Further, a second air path switch and a first control valve are arranged on a gas pipeline between the air compressor and the viscose stirrer.

Further, a third air path switch and a second control valve are arranged between the air compressor and the viscose sprayer.

Further, a first liquid path switch is arranged on a liquid pipeline between the viscose stirrer and the viscose sprayer.

Furthermore, a second liquid path switch is arranged on a liquid path between the viscose sprayer and the viscose spray head.

The beneficial technical effects are as follows:

1. the invention discloses a spraying device which comprises an air compressor, a viscose stirrer, a viscose sprayer and a vibration platform, wherein the air compressor is used for providing aerodynamic force for the device; the viscose stirrer is used for fully stirring viscose and solid particles; the viscose spray head is used for spraying a mixture of viscose and solid particles; the viscose sprayer is used for conveying a mixture of viscose and solid particles to the viscose sprayer; the viscose stirrer is fixedly arranged on the vibration platform, and solid particles are prevented from being deposited under the vibration action of the vibration platform; the method comprises the following steps of manually putting viscose and solid particles into a viscose stirrer, fully and uniformly stirring the viscose and the solid particles by the viscose stirrer, and continuously vibrating a vibration platform to prevent solid particles from being deposited, wherein a uniformly stirred viscose and solid particle mixture enters a viscose sprayer through a liquid pipeline, the viscose sprayer injects the viscose and solid particle mixture into a viscose sprayer, and simultaneously, a high-pressure gas is injected into the viscose sprayer by an air compressor to atomize and spray the viscose and solid particle mixture in the viscose sprayer, so that the spraying action is completed, the problem that the surface of nonmetal small solid particles is not easy to generate static electricity and cannot be adsorbed on the surface of a plate, and the spraying is not uniform is solved; the metal particle powder has larger diameter, so that the metal particle powder generates springback under the action of larger impact force, or the adsorption time is short, so that the problem of uneven spraying is caused;

2. according to the invention, the viscose stirrer is arranged, so that viscose and solid particles can be fully mixed and uniformly stirred;

3. in the invention, the vibration platform is arranged, and the solid particles are effectively prevented from being deposited by the continuous vibration of the vibration platform;

4. in the invention, the core shaft is provided with a pipeline, the outlet of the pipeline is provided with a conical outlet, so that solid particles are prevented from blocking the pipe orifice, and the length-diameter ratio of the outlet of the orifice is adjusted according to the particle size of the solid particles and the viscosity of viscose;

5. in the invention, the throttle plate is provided with the through hole and is used for throttling high-pressure gas, so that the flowing speed of the gas is improved, and the effect of atomizing viscose is achieved;

6. in the invention, the outlet part of the spray head cavity is provided with the tapered hole, so that the aim of fan-shaped spraying can be fulfilled, and the spraying area of the viscose can be controlled by controlling the tapered angle at the opening.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments will be briefly described below.

FIG. 1 is a schematic structural view of a spray coating device according to the present invention;

FIG. 2 is a schematic structural view of an adhesive dispenser of a spray coating device according to the present invention;

FIG. 3 is a schematic structural view of a viscose mixer in the spraying apparatus according to the present invention;

FIG. 4 is a schematic diagram of an outline structure of an adhesive nozzle of the spraying apparatus according to the present invention;

FIG. 5 is a cross-sectional view of an adhesive nozzle of a spray coating device according to the present invention;

fig. 6 is a schematic view of the joint of the throttle plate in the spraying device according to the present invention.

Wherein, 1-air compressor, 2-viscose mixer, 21-viscose mixer body, 211-mixing cavity, 212-second viscose inlet, 213-second viscose outlet, 214-second air source, 215-solid particle adding port, 216-second piston, 217-second piston rod, 218-second position sensor, 3-viscose sprayer, 31-viscose sprayer body, 311-sprayer cavity, 312-throttle plate, 313-mandrel, 4-viscose sprayer, 41-viscose sprayer body, 411-containing cavity, 412-first viscose inlet, 413-first viscose outlet, 414-first air source, 415-first piston, 416-first piston rod, 417-first position sensor, 5-a vibration platform, 6-a first air path switch, 7-a second air path switch, 8-a first control valve, 9-a third air path switch, 10-a second control valve, 11-a first liquid path switch, 12-a second liquid path switch, 22-a motor, 23-a stirring blade, 32-a third viscose main inlet and 33-a third air source port.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

The invention discloses a spraying device, which comprises an air compressor 1, a viscose stirrer 2, a viscose spray head 3, a viscose spray head 4 and a vibration platform 5, wherein the air compressor is used for providing aerodynamic force for the device; the adhesive mixer is configured to sufficiently mix the adhesive and the solid particles, and specifically, referring to fig. 3, the adhesive mixer 2 includes an adhesive mixer body 21, a mixing cavity 211 is formed inside the adhesive mixer body 21, and a second adhesive injection port 212, a second adhesive outflow port 213, a second gas source port 214, and a solid particle adding port 215 are formed on a wall surface of the mixing cavity 211; a second piston 216 is arranged in the viscose mixer body 21, one side surface of the second piston 216 is connected with a second piston rod 217, and two ends of the second piston rod 217 are fixedly connected with a second position sensor 218; the viscose spray head is used for spraying a mixture of viscose and solid particles, and specifically, referring to fig. 4-6, a third viscose main inlet 32 and a third gas source port 33 are formed in the viscose spray head 3, the viscose spray head 3 comprises a viscose spray head body 31, a spray head cavity 311 is formed in the viscose spray head body 31, a conical hole is formed in the spraying part of the spray head cavity 311, the purpose of fan-shaped spraying can be achieved, and the spraying area of viscose can be controlled by controlling the conical angle at the opening; the throttle plate 312 is arranged in the viscose spray head body 31, and 6 micro through holes are formed in the throttle plate 312, so that high-pressure gas is throttled, the flowing speed of the gas is increased, and the viscose atomization effect is achieved; a central shaft 313 is arranged at the central shaft of the viscose spray head body 31, a pipeline is arranged on the central shaft 313, a conical outlet is arranged at the outlet of the pipeline to prevent tiny particles from blocking a pipe orifice, and the length-diameter ratio of the outlet of the orifice is adjusted according to the particle size of solid particles and the viscosity of viscose; the viscose sprayer is used for conveying a mixture of viscose and solid particles to the viscose sprayer, and specifically, referring to fig. 2, the viscose sprayer 4 comprises a viscose sprayer body 41, a containing cavity 411 is formed inside the viscose sprayer body 41, and a first viscose injection port 412, a first viscose outflow port 413 and a first air source port 414 are formed on the wall surface of the containing cavity 411; a first piston 415 is arranged in the viscose sprayer body 41, one side surface of the first piston 415 is connected with a first piston rod 416, and two ends of the first piston rod 416 are fixedly connected with a first position sensor 417; the viscose stirrer is fixedly arranged on the vibration platform 5, and solid particles are prevented from being deposited under the vibration action of the vibration platform; an air outlet of the air compressor 1 is respectively connected with the viscose stirrer 2, the viscose spray nozzle 3 and the viscose spraying device 4 through air pipelines; the viscose stirrer 2 is connected with a viscose spraying device 4 through a liquid pipeline; the viscose spraying device 4 is connected with the viscose spray head 3 through a liquid pipeline; a first air path switch 6 is arranged on an air pipeline between the air compressor 1 and the viscose spray nozzle 3; a second air path switch 7 and a first control valve 8 are arranged on a gas path between the air compressor 1 and the viscose stirrer 2; a third air path switch 9 and a second control valve 10 are arranged between the air compressor 1 and the viscose sprayer 4; a first liquid path switch 11 is arranged on a liquid pipeline between the viscose stirrer 2 and the viscose sprayer 4; a second liquid path switch 12 is provided on a liquid path between the paste dispenser 4 and the paste ejection head 3.

The specific working process of the spraying device disclosed by the invention comprises the following steps:

manually putting the viscose and the solid particles into the viscose stirrer 4, specifically, when the viscose and the solid particles are manually added, the second air path switch 7 is closed, the first liquid path switch 11 is closed, the first control valve 8 is powered on, at the moment, the second air source port 214 of the viscose stirrer is communicated with the atmosphere, the second piston rod 217 is manually pulled to complete the injection of the viscose and the solid shell, the second viscose injection port 212 and the solid particle adding port 215 are manually closed, and the motor 22 is started to drive the stirring blades 23 to stir; the viscose stirrer 4 fully and uniformly stirs viscose and solid particles, and the vibration platform 5 continuously vibrates to prevent the solid particles from depositing, the uniformly-stired viscose and solid particle mixture enters the viscose sprayer 4 through a liquid pipeline, specifically, the second air circuit switch 7 is turned on, the first liquid circuit switch 11 is turned on, the second liquid circuit switch 12 is turned off, the first control valve 8 is not electrified, the second control valve 10 is electrified, the mixture of the viscose and the solid particles is injected into the viscose spraying device through air pressure, and the first liquid circuit switch 11 is turned off after the injection of the viscose and solid particle mixture is finished; viscose eruption ware 4 pours into viscose and solid particle mixture into viscose shower nozzle 3 into, simultaneously, air compressor 1 pours into high-pressure gas into viscose shower nozzle 3 into, make viscose and solid particle mixture in the viscose shower nozzle 3 atomize and spray out, accomplish the spraying action, concretely, second liquid switch 12 opens, third gas circuit switch 9 opens, first gas circuit switch 6 opens, second control valve 10 is not electrified simultaneously, open air compressor, at this moment, high-pressure gas passes through third air supply mouth 33 and gets into the shower nozzle, atomize and spout viscose and solid particle's mixture in the shower nozzle, accomplish the spraying action.

In the concrete working process, the control process of the viscose amount in the viscose sprayer is as follows: when the first piston 415 drives the first piston rod 416 to move right, at this time, the mixture of the viscose and the solid particles is injected into the viscose spray head 3 for spraying, when the first piston rod 416 moves right to the limit position, the first position sensor 417 far away from the first piston 415 is triggered, the second liquid circuit switch 12 is turned off, it indicates that the mixture of the viscose and the solid particles in the viscose spray dispenser 4 is consumed, the viscose needs to be added from the viscose stirrer, and after the viscose is added in place, the first position sensor 417 close to the first piston 425 is triggered, it indicates that the mixture of the viscose and the solid particles has been stored in the viscose spray dispenser 4, and spraying can be continued.

In the concrete working process, the control process of the viscose amount in the viscose stirrer comprises the following steps: when the second piston 216 drives the second piston rod 217 to move downwards, the uniformly mixed viscose and solid particle mixture is injected into the viscose sprayer 4, when the mixture moves downwards to the lowest position, the second position sensor 218 far away from the second piston 216 is triggered, the second air path switch and the first yale switch 11 are closed, and at the moment, viscose and solid particles need to be added into the viscose mixer; then, the first control valve 8 is energized to manually open the second glue injection port 212 and the solid particle adding port 215 to inject the glue and solid particles into the cavity of the glue mixer, and when the second position sensor 218 near the position of the second piston 216 is triggered, indicating that the injection is completed, the mixing operation can be performed.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above examples are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. A spray coating device, comprising:

an air compressor (1) for providing aerodynamic force to the device;

a viscose mixer (2) for fully mixing viscose and solid particles;

a glue sprayer (3) for spraying a mixture of glue and solid particles;

a viscose sprayer (4) for delivering a mixture of viscose and solid particles to the viscose sprayer (3);

the viscose stirrer (2) is fixedly arranged on the vibration platform (5), and solid particles are prevented from being deposited under the vibration action of the vibration platform (5);

the air outlet of the air compressor (1) is respectively connected with the viscose stirrer (2), the viscose spray head (3) and the viscose spraying device (4) through air pipelines; the viscose stirrer (2) is connected with the viscose spraying device (4) through a liquid pipeline; the viscose spraying device (4) is connected with the viscose spray head (3) through a liquid pipeline;

manually put into viscose agitator (4) with viscose and solid particle in, viscose agitator (4) are viscose and solid particle intensive mixing even, and vibration platform (5) continuously vibrate simultaneously, in order to prevent solid particle deposition, even viscose and solid particle mixture of stirring get into viscose eruption ware (4) through liquid pipeline, viscose and solid particle mixture are injected into viscose shower nozzle (3) in viscose eruption ware (4), and simultaneously, air compressor (1) injects high-pressure gas into viscose shower nozzle (3), make viscose and solid particle mixture atomizing in viscose shower nozzle (3) and spray out, accomplish the spraying action.

2. The spraying device according to claim 1, wherein the adhesive dispenser (4) comprises an adhesive dispenser body (41), a containing cavity (411) is formed inside the adhesive dispenser body (41), and a first adhesive injection port (412), a first adhesive outflow port (413) and a first air source port (414) are formed on the wall surface of the containing cavity (411); the viscose hair spray device is characterized in that a first piston (415) is arranged in the viscose hair spray device body (41), one side face of the first piston (415) is connected with a first piston rod (416), and two ends of the first piston rod (416) are fixedly connected with first position sensors (417).

3. The spraying device according to claim 1, wherein the adhesive mixer (2) comprises an adhesive mixer body (21), a mixing cavity (211) is formed inside the adhesive mixer body (21), and a second adhesive inlet (212), a second adhesive outlet (213), a second air source (214) and a solid particle adding port (215) are formed on the wall surface of the mixing cavity (211); the viscose stirrer is characterized in that a second piston (216) is arranged inside the viscose stirrer body (21), one side face of the second piston (216) is connected with a second piston rod (217), and two ends of the second piston rod (217) are fixedly connected with a second position sensor (218).

4. The spraying device according to claim 1, wherein a third main adhesive inlet (32) and a third air source port (33) are formed in the adhesive nozzle (3), the adhesive nozzle (3) comprises an adhesive nozzle body (31), a nozzle cavity (311) is formed in the adhesive nozzle body (31), and a tapered hole is formed in a spraying part of the nozzle cavity (311); the viscose glue spray head is characterized in that a throttle plate (312) is arranged inside the viscose glue spray head body (31), a plurality of through holes are formed in the throttle plate (312), a mandrel (313) is arranged at the central shaft of the viscose glue spray head body (31), a pipeline is arranged on the mandrel (313), and a conical outlet is formed in the outlet of the pipeline.

5. A spray assembly according to claim 4, wherein the throttle plate (312) is provided with 6 through holes.

6. A spray device according to claim 1, characterized in that a first air circuit switch (6) is arranged in the air line between the air compressor (1) and the glue gun (3).

7. A spray device according to claim 1, characterized in that a second air circuit switch (7) and a first control valve (8) are arranged on the air circuit between the air compressor (1) and the glue mixer (2).

8. A spray device according to claim 1, characterised in that a third air circuit switch (9) and a second control valve (10) are provided between the air compressor (1) and the glue dispenser (4).

9. A spray device according to claim 1, characterized in that a first fluid path switch (11) is arranged in the fluid path between the glue agitator (2) and the glue dispenser (4).

10. A spray device according to claim 1, characterized in that a second liquid path switch (12) is arranged on the liquid path between the glue dispenser (4) and the glue head (3).