CN213762507U - Paint spraying machine - Google Patents

Abstract

The utility model discloses a paint spraying machine, it includes: the machine body is provided with a paint spraying cavity; the collecting cover is arranged below the paint spraying cavity, and a discharge port is formed in the collecting cover; the water curtain device is arranged in the paint spraying cavity and can generate a water curtain for shielding the discharge port; and the water delivery device is connected with the water curtain device and delivers water for the water curtain device. At discharge gate department, produce the water curtain through the water curtain device, utilize the water curtain to shelter from the discharge gate for the air can adsorb the lacquer dirt through the rivers of this water curtain earlier before getting into the discharge gate, thereby strengthen the effect of adsorbing collection lacquer dirt.

Description

Paint spraying machine

Technical Field

The utility model relates to a technical field that sprays paint, in particular to paint spraying machine.

Background

The existing paint spraying machine comprises a machine body, wherein a paint spraying cavity is formed in the machine body, a workbench and a paint spraying device are arranged in the paint spraying cavity, a workpiece is placed on the workbench, and automatic paint spraying is carried out on the workpiece through the paint spraying device. In order to collect paint dust and air in the paint spraying cavity, a collecting cover is usually arranged on the lower side of the paint spraying cavity, a discharge port is formed in the collecting cover, and a water injection device is arranged and injects water towards the collecting cover, so that water flow flowing to the discharge port is formed on the surface of the collecting cover. The lower side of the discharge port is provided with a water tank for receiving water adsorbed with paint dust. In the paint spraying process, paint dust in the air of the paint spraying cavity is settled on the surface of the collecting cover, the paint dust is adsorbed by water flow on the surface of the collecting cover, and then the paint dust is discharged through the discharge port. In order to promote the air purification effect, set up air exhaust device usually, form relative negative pressure at the water tank through air exhaust device, force the air in the chamber of spraying paint to discharge from the discharge port, and make the air better with rivers contact to promote the effect of collecting the cover absorption collection paint dirt.

The paint spraying machine has the following defects: part of the paint dust may not come into contact with the water flow at the surface of the collecting cover and escape through the discharge port, affecting the effect of adsorbing and collecting the paint dust.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a paint spraying machine can strengthen the effect of adsorbing and collecting the lacquer dirt.

According to the utility model discloses a paint spraying machine, it includes: the machine body is provided with a paint spraying cavity; the collecting cover is arranged below the paint spraying cavity, and a discharge port is formed in the collecting cover; the water curtain device is arranged in the paint spraying cavity and can generate a water curtain for shielding the discharge port; and the water delivery device is connected with the water curtain device and is used for delivering water flow for the water curtain device.

According to the utility model discloses paint spraying machine has following beneficial effect at least: at discharge gate department, produce the water curtain through the water curtain device, utilize the water curtain to shelter from the discharge gate for the air can adsorb the lacquer dirt through the rivers of this water curtain earlier before getting into the discharge gate, thereby strengthen the effect of adsorbing collection lacquer dirt.

According to the utility model discloses a some embodiments, the water curtain device includes that the water curtain forms cover and water injection structure, the water curtain forms the cover to be set up in the top of discharge port, the water injection structure with water delivery device connects in order to acquire the rivers, the water injection structure configuration is to enable rivers to follow the upper end of water curtain formation cover is global to flow down.

According to some embodiments of the utility model, the water curtain forms the cover and is the toper cover body, the water curtain forms the upper end size that covers and is less than the lower extreme size.

According to the utility model discloses a some embodiments, the water injection structure including set up in the water curtain forms the spillway groove of cover upper end, the notch edge of spillway groove with the upper end edge that the water curtain formed the cover links to each other, water delivery device can toward rivers are carried to the spillway groove.

According to some embodiments of the utility model, still include water injection device, water injection device set up in the fuselage or collect the cover, water injection device be used for toward collect the cover water injection, so that the inboard surface of collecting the cover forms the rivers that flow to the discharge port, water delivery device with water injection device connects and does water injection device carries rivers.

According to some embodiments of the present invention, the water tank further comprises a water inlet, the water inlet being disposed below the discharge port and communicating with the discharge port; the water tank is provided with an air suction port which can be communicated with the discharge port through an inner cavity of the water tank.

According to the utility model discloses a some embodiments, water delivery device includes suction pump and hydraulic pipeline, the suction pump set up in the water tank, the suction pump passes through hydraulic pipeline does the water injection device and the water curtain device supplies water.

According to some embodiments of the present invention, the apparatus further comprises a baffle plate having a plurality of diverging holes, the baffle plate covering the discharge port; the baffle is made of a wettable material and is in a wettable position.

According to the utility model discloses a some embodiments still include a plurality of water curtain shower nozzles, the water curtain shower nozzle is used for the water curtain forms the downside of cover and forms the water curtain.

According to some embodiments of the present invention, the water curtain device further comprises a plurality of atomizing devices for generating water mist in a space covered by the water curtain formed by the water curtain device.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is an exploded view of the structure shown in FIG. 1;

FIG. 3 is a schematic structural diagram of a portion of the components of an embodiment of the present invention;

FIG. 4 is a schematic view of the structure of FIG. 1 cut vertically in the direction A-A in half section;

fig. 5 is a schematic structural view of a water curtain device according to an embodiment of the present invention;

FIG. 6 is an enlarged schematic view of FIG. 3 at A;

fig. 7 is a schematic perspective view of an embodiment of the present invention;

FIG. 8 is a schematic view of the structure of FIG. 3 with additional baffles and water curtain nozzles;

FIG. 9 is a schematic view of the structure of FIG. 8 with portions of the structure removed;

fig. 10 is a schematic structural view of the structure shown in fig. 4 with the addition of the baffle and the water curtain nozzle shown in fig. 8.

Reference numerals:

a body 100, a paint spray chamber 110;

a collection cap 200, a discharge port 210;

a water curtain device 300, a water curtain forming cover 310, a water injection structure 320;

water injection means 400, water injection holes 410;

a water tank 500, a gas suction port 501, a tank main body 510, an opening 511, and a lid plate 520;

a water suction pump 610, a water conveying pipeline 620, a first water supply pipe 621 and a second water supply pipe 622;

a support bar 700, a guide plate 800 and a water curtain spray head 900.

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 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 drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 4, a paint sprayer includes: a body 100 provided with a painting chamber 110; the collecting cover 200 is arranged below the paint spraying cavity 110, and a discharge port 210 is arranged on the collecting cover 200; a water curtain device 300 disposed in the paint spraying chamber 110, the water curtain device 300 being capable of generating a water curtain for shielding the discharge port 210; and a water delivery device connected to the water curtain device 300 and used for delivering water flow to the water curtain device 300. At discharge port 210 department, produce the water curtain through water curtain device 300, utilize the water curtain to shelter from discharge port 210 for the air can adsorb the paint dust through the rivers of this water curtain earlier before getting into discharge port 210, thereby strengthen the effect of adsorbing and collecting the paint dust. In the configuration shown in fig. 3, the arrows indicate the air flow direction and the dashed lines indicate the water curtain configuration.

Referring to fig. 5, in the present embodiment, the water curtain device 300 includes a water curtain forming cover 310 disposed above the discharge port 210, and a water injection structure 320 connected to the water delivery device to obtain water flow, the water injection structure 320 being configured to enable the water flow to flow down from an upper end circumference of the water curtain forming cover 310. The water flows from the upper end circumferential surface to the lower end circumferential surface of the water curtain forming cover 310, and after the water flows leave the lower end circumferential surface, a downward surrounding water curtain is formed, and the water curtain and the water flow flowing around the water curtain forming cover 310 form a water curtain together, so that the discharge port 210 is shielded. The water curtain formed by the water curtain device 300 with the structure can easily shield the discharge port 210, and the adsorption effect is good.

In this embodiment, the water curtain forming hood 310 is a conical hood body, and the upper end of the water curtain forming hood 310 is smaller than the lower end thereof. Adopt the toper cover body and upper end to set up to the tip, so, rivers can be toward expanding outward under the inertia effect after leaving the lower extreme global of water curtain formation cover 310 to cover bigger area, it is better to carry out the effect of sheltering from to discharge port 210. In the present embodiment, the water curtain forming cover 310 has a truncated cone shape, but the water curtain forming cover 310 may have a truncated pyramid shape. In other embodiments, the water curtain forming hood 310 may also be a cylindrical hood.

Of course, in other embodiments, the water curtain apparatus 300 may also have other structures, such as a water curtain nozzle, through which the water curtain covering the discharge port 210 is directly formed.

In this embodiment, the water injection structure 320 includes an overflow groove provided at the upper end of the water curtain forming cover 310, a notch edge of the overflow groove being connected to an upper end edge of the water curtain forming cover 310, and the water delivery means can deliver water to the overflow groove. After the overflow groove is filled with water, the water overflows from the edge of the overflow groove, and the overflowing water flows downward through the circumferential surface of the water curtain forming cover 310, thereby forming the above-described water curtain. The overflow groove has a simple structure, is easy to implement, can enable water flow to uniformly cover the circumferential surface of the water curtain forming cover 310, and has a better water curtain forming effect. Of course, in some embodiments, the water injection structure 320 may be other structures, such as a water pipe surrounding the upper end of the water curtain forming cover 310, and the water pipe is provided with water injection holes through which water is injected to the upper end peripheral surface of the water curtain forming cover 310.

Referring to fig. 3, in the present embodiment, the water injection device 400 is further included, the water injection device 400 is disposed on the body 100 or the collection cover 200, the water injection device 400 is used for injecting water into the collection cover 200, so that a water flow flowing to the discharge port 210 is formed on the inner side surface of the collection cover 200, and the water delivery device is connected to the water injection device 400 and delivers the water flow to the water injection device 400.

In this embodiment, the collecting cover 200 is a conical cover body, the size of the lower end of the collecting cover 200 is smaller than that of the upper end, the upper and lower ends of the collecting cover 200 are both open, and the opening of the lower end of the collecting cover 200 is configured as the discharge port 210. The surface area of the conical cover body is relatively large, the adsorption effect is good, and the conical cover body is also favorable for guiding air. In this embodiment, the second conical cover body has a frustum pyramid shape, but of course, in some embodiments, the second conical cover body may also have a frustum cone shape. In other embodiments, the collecting hood 200 may be a hood with other shapes, such as a cylindrical or prismatic hood with an open top and a bottom, on which the above-mentioned discharge opening 210 is opened.

Referring to fig. 6, in the present embodiment, the water injection device 400 includes a water injection pipe disposed around the upper end opening of the collecting cover 200, and a plurality of water injection holes 410 are formed on the water injection pipe along a length direction, and the water injection pipe is connected to the water delivery device. Of course, in other embodiments, the water injection means 400 may have other structures, such as an overflow tank structure. In this embodiment, the water injection pipe may be connected to the collecting cover 200 and also to the body 100.

Referring to fig. 3 and 4, in the present embodiment, a water tank 500 is further included, and the water tank 500 is disposed below the discharge port 210 and communicates with the discharge port 210, so that the flow of water can be collected by the water tank 500.

Referring to fig. 4, in the present embodiment, the water delivery device includes a water pump 610 and a water delivery pipeline 620, the water pump 610 is disposed in the water tank 500, and the water pump 610 supplies water to the water injection device 400 and the water curtain device 300 through the water delivery pipeline 620. Through foretell structure, formed the circulation water route, can the water economy resource. When the circulating water path is adopted, paint water separating agent can be added into water, paint dust is condensed and floats on the surface of the water, and the water pumping port of the water pumping pump 610 is arranged at the middle lower part of the water tank 500, so that the effect of circulating water is better. The water pump 610 and the water conveying pipeline 620 can be provided with a filtering structure to filter water, so that the effect of recycling water is improved.

In the present embodiment, the water pipe 620 includes a first water supply pipe 621 and a second water supply pipe 622, and the first water supply pipe 621 and the second water supply pipe 622 respectively supply water to the water injection device 400 and the water curtain device 300. One end of the second water feeding pipe 622 penetrates through the wall of the overflow tank so that water can be injected into the overflow tank.

Of course, in other embodiments, the water delivery device may only include a water delivery pipeline, which is connected to an external water source and supplies water to the water injection device 400 and the water curtain device 300.

Referring to fig. 7, in the present embodiment, the water tank 500 is opened with an air suction port 501, and the air suction port 501 can communicate with the discharge port 210 through the inner cavity of the water tank 500. An external air-extracting device, such as a blower, may be connected to the air suction port 501 to extract air in the water tank 500 through the air suction port 501, thereby creating a relative negative pressure in the water tank 500 to force the air to exit from the discharge port 210, enhancing contact with the water flow. In some embodiments, the air extractor can be mounted directly to the fuselage 100 such that the paint sprayer is self-contained with the air extractor. When the air suction device is used, the water level of the water tank 500 can be controlled by the water level control device, so that the water level in the water tank 500 is lower than the discharge port 210, and the space on the upper side of the water level can form a channel for communicating the discharge port 210 with the air suction port 501.

In the present embodiment, the tank 500 includes a tank body 510 and a cover plate 520, the tank body 510 has an opening 511, the opening 511 is located outside the body 100, and the cover plate 520 detachably covers the opening 511. The cover plate 520 may be opened outside the body 100, and the paint dust that has condensed and floated on the surface of water may be collected through the opening 511.

In the present embodiment, the water curtain forming cover 310 is connected to the water tank 500 through a support bar 700, and in particular, the support bar 700 is connected to the bottom of the water tank 500 through the discharge port 210. Of course, the water curtain forming hood 310 may be connected to the collecting hood 200 or the body 100 by a connecting bracket.

In this embodiment, the upper end of the support rod 700 is further connected to a worktable and a driving mechanism for driving the worktable to rotate, the driving mechanism includes a motor, and the driving mechanism is located at the lower side of the water curtain forming cover 310 so as to be protected by the water curtain forming cover 310.

Referring to fig. 8, a baffle 800 may be added to the paint spraying apparatus of this embodiment, where the baffle 800 has a plurality of diversion holes, and the baffle 800 shields the discharge port 210. The above-mentioned baffle 800 can shunt the air through the shunting hole for the wind current can be by homodisperse, avoids concentrating, thereby makes the air can be better with shelter from the water curtain of discharge port 210 and contact. The diversion plate 800 can specifically adopt a honeycomb mesh plate, and the mesh density can be selected according to the requirement. Further, the baffle 800 is made of a wettable material and is in a wettable position. The baffle 800 may be made of paper or cotton material, so that the wetted baffle 800 can absorb paint dust. Specifically, the baffle 800 may be configured to have a size larger than the size of the discharge opening 210 so as to be directly placed on the discharge opening 210, such that the water flowing down the collection hood 200 can directly contact the baffle 800, thereby wetting the baffle 800. Of course, the baffle 800 can be installed at other positions, for example, the lower side of the discharge port 210 is closely attached to the discharge port 210, and the position of the baffle 800 can be set properly by those skilled in the art according to the needs.

Referring to fig. 9 to 10, a plurality of water curtain spray heads 900 may be further provided, and the water curtain spray heads 900 are used to form a water curtain on the lower side of the water curtain forming cover 310. With the above structure, a plurality of water curtains are formed, and the air can further filter the paint dust through the water curtain formed by the water curtain spray head 900 after passing through the water curtain formed by the water curtain device 300. In the configuration shown in fig. 10, the arrows indicate the air flow direction and the dotted lines indicate the water curtain configuration. The water curtain spray head 900 may be selected to produce a conical water curtain, although other types of water curtains, or a flat water curtain, may be used. In this embodiment, the number of the water curtain nozzles 900 is four, and the water curtain nozzles 900 are installed on the support bar 700 through a cross-shaped mounting bracket, and the water curtain nozzles 900 are located at the lower side of the water curtain forming cover 310 and are disposed downward. It is contemplated that the water curtain nozzle 900 may be mounted in any other suitable manner that forms a water curtain on the underside of the water curtain housing 310. In other embodiments, the number of the water curtain nozzles 900 may be set as required, and at least 1 may be set. The guide plate 800 may be wetted by the water curtain nozzle 900.

In other embodiments, a plurality of atomizing devices may be provided for generating a mist of water in the space enclosed by the water curtain formed by the water curtain device 300. The atomization device can be an atomization head which generates atomized water mist by utilizing a water pressure injection principle, and also can be an ultrasonic atomizer or a heating atomizer. Through setting up atomizing device, go to adsorb the coating dust through atomizing steam, the effect is better. The above-described atomizing device and the water curtain nozzle 900 may be used in combination or may be used alone. The installation manner of the atomization device can refer to the installation manner of the water curtain nozzle 900.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. A paint sprayer, comprising:

a body (100) provided with a paint spraying chamber (110);

the collecting cover (200) is arranged below the paint spraying cavity (110), and a discharge port (210) is arranged on the collecting cover (200);

the water curtain device (300) is arranged in the paint spraying cavity (110), and the water curtain device (300) can generate a water curtain for shielding the discharge port (210);

and the water conveying device is connected with the water curtain device (300) and is used for conveying water flow to the water curtain device (300).

2. The paint spraying machine according to claim 1, characterized in that the water curtain device (300) comprises a water curtain forming hood (310) and a water injection structure (320), the water curtain forming hood (310) being disposed above the discharge port (210), the water injection structure (320) being connected to the water delivery device to take the water flow, the water injection structure (320) being configured to enable the water flow to flow down from an upper end peripheral surface of the water curtain forming hood (310).

3. The paint sprayer according to claim 2, characterized in that the water curtain forming hood (310) is a conical hood body, the water curtain forming hood (310) having an upper end dimension smaller than a lower end dimension.

4. The paint spraying machine according to claim 2 or 3, wherein the water injection structure (320) includes an overflow groove provided at an upper end of the water curtain forming cover (310), a notch edge of the overflow groove being connected to an upper end edge of the water curtain forming cover (310), the water supply means being capable of supplying water to the overflow groove.

5. The paint sprayer according to claim 1, characterized by further comprising a water injection device (400), wherein the water injection device (400) is arranged on the machine body (100) or the collecting cover (200), the water injection device (400) is used for injecting water into the collecting cover (200) so that the inner side surface of the collecting cover (200) forms a water flow towards the discharge port (210), and the water delivery device is connected with the water injection device (400) and delivers the water flow to the water injection device (400).

6. The paint sprayer according to claim 5, characterized by further comprising a water tank (500), the water tank (500) being disposed below the discharge port (210) and communicating with the discharge port (210); an air suction port (501) is formed in the water tank (500), and the air suction port (501) can be communicated with the discharge port (210) through an inner cavity of the water tank (500).

7. The paint sprayer according to claim 6, characterized in that the water delivery device comprises a water suction pump (610) and a water delivery pipeline (620), the water suction pump (610) is arranged on the water tank (500), and the water suction pump (610) supplies water to the water injection device (400) and the water curtain device (300) through the water delivery pipeline (620).

8. The paint sprayer of claim 6, further comprising a deflector (800), the deflector (800) having a plurality of diverter holes, the deflector (800) shielding the discharge opening (210); the baffle (800) is made of a wettable material and is in a wettable position.

9. The paint sprayer according to claim 2, further comprising a plurality of water curtain spray heads (900), the water curtain spray heads (900) being adapted to form a water curtain on an underside of the water curtain forming hood (310).

10. The paint spraying machine according to claim 2, characterized by further comprising a plurality of atomizing devices for generating water mist in the space enclosed by the water curtain formed by the water curtain device (300).

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