Painting Booth

Abstract

The present invention relates to a painting booth implemented to rapidly discharge dust and foreign substances that may be generated during a painting process, comprising: a booth forming a sealed internal space that is opened and closed by a door; a discharge control plate forming the floor surface of the booth and discharging dust and foreign substances suspended in the internal space of the booth; a ceiling filter forming the ceiling surface of the booth and filtering foreign substances contained in intake air flowing into the internal space of the booth; a side-mounted light source installed along one side and the other side of the ceiling surface of the booth; an air supply device introducing air into the internal space of the booth through the ceiling filter; and an exhaust device discharging air from the internal space of the booth through the discharge control plate.

Description

Technology Field

[0001] The present invention relates to a painting booth, and more specifically, to a painting booth implemented to rapidly discharge dust and foreign substances that may be generated during the painting process. Background Technology

[0003] Generally, a paint booth is a booth that sprays paint onto a product using a spray method and dries the painted product by supplying hot air at an appropriate temperature into the booth.

[0004] In addition, recent paint booths are known to be equipped with a purification device for removing paint mist emitted from the paint room.

[0005] A conventional paint booth has a paint chamber in which a workpiece is received and a purification device for removing paint mist contained in the air inside the paint chamber.

[0006] The above purification device comprises a water tank placed in a painting room, a pump for pumping water from the water tank, and a water rope forming mechanism. The water rope forming mechanism has a water case for receiving water pumped up by the pump, and a plurality of nozzle sections are formed on the bottom wall of the water case.

[0007] Each of the above nozzle sections has an inlet, a tube section protruding downward from the inlet with a decreasing inner diameter and a circular outlet opening at the bottom of the tube section, and forms a plurality of parallel water ropes (hereinafter referred to as "water streams") by water falling in a straight line from each outlet.

[0008] Therefore, conventional paint booths pass paint mist through multiple water streams falling downwards, and collect and remove the paint mist adsorbed by the water streams in a tank.

[0009] However, the conventional paint booth configured as described above had a problem in that the purification performance of the purification device was reduced because the amount of mist adsorbed through the falling water streams was small, and the efficiency of capturing and removing the mist was low.

[0010] Meanwhile, the aforementioned background technology is technical information that the inventor possessed for the derivation of the present invention or acquired during the process of deriving the present invention, and it cannot necessarily be considered publicly known technology disclosed to the general public prior to the filing of the present invention. Prior art literature

[0012] Korean Registered Patent No. 10-1817899 (Published Jan. 11, 2018) The problem to be solved

[0013] One aspect of the present invention provides a painting booth implemented to rapidly discharge dust and foreign substances that may be generated during the painting process.

[0014] The technical problems of the present invention are not limited to those mentioned above, and other unmentioned technical problems will be clearly understood by those skilled in the art from the description below. means of solving the problem

[0016] A painting booth according to one embodiment of the present invention comprises: a booth forming a sealed internal space that is opened and closed by a door; an exhaust control plate forming the floor surface of the booth and discharging dust and foreign substances floating in the internal space of the booth; a ceiling filter forming the ceiling surface of the booth and filtering foreign substances contained in intake air flowing into the internal space of the booth; a side-mounted light source installed along one side and the other side of the ceiling surface of the booth; an air supply device introducing air into the internal space of the booth through the ceiling filter; and an exhaust device discharging air from the internal space of the booth through the exhaust control plate.

[0017] In one embodiment, a painting booth according to one embodiment of the present invention may further include an air injection device installed horizontally along the upper side of the inner space of the booth to induce airflow in the inner space of the booth by injecting compressed air into the inner space of the booth.

[0018] In one embodiment, the air injection device may include: a horizontal movable rail frame extending horizontally along the upper side of the inner space of the booth; a horizontal rail extending along the inner side of the horizontal movable rail frame while forming an opening at the lower side of the horizontal movable rail frame; and an injection slider installed by engaging at least one with the horizontal rail, which induces airflow in the inner space of the booth by injecting compressed air while sliding along the horizontal rail.

[0019] In one embodiment, the injection slider comprises: a slider body connected and installed to engage with the horizontal rail and sliding along the horizontal rail; a sliding drive gear connected to the slider body so as to be rotatably driven, connected and installed by gear engagement with a gear thread formed along the horizontal rail, and rotated in a forward or reverse direction to slide the slider body; a block seating groove formed hollowly on the inner side of the horizontal rail while forming an opening on the lower side of the slider body exposed from the horizontal rail; a rotating block formed in the shape of a cylindrical column and connected and installed to engage rotatably in the block seating groove; a block drive gear connected to the slider body so as to be rotatably driven, connected and installed by gear engagement with a gear thread formed along the circumference of the rotating block, and rotated in a forward or reverse direction to rotate the rotating block; and a nozzle groove formed as a recess on the lower side of the rotating block exposed from the block seating groove, formed in a conical shape such that the inner diameter gradually decreases from the entrance to the inside. A spray nozzle installed on the inner side of the nozzle groove to spray compressed air; a wing mounting groove formed by being recessed along the inner surface of the nozzle groove, having an inner diameter smaller than the inner diameter of the inlet of the nozzle groove; a variable spray blade formed in a circular pipe shape corresponding to the shape of the wing mounting groove, inserted and mounted in the wing mounting groove, and acting as an air discharge passage for compressed air sprayed through the spray nozzle as it is exposed from the wing mounting groove; and a plurality of wing driving gears spaced at regular intervals along the circumference of the wing mounting groove and connected to be rotatable, connected by engaging with gear teeth formed along the circumference of the variable spray blade through gear coupling, and rotated in a forward or reverse direction to insert the variable spray blade into the wing mounting groove or expose it from the wing mounting groove.It may include.;

[0020] In one embodiment, the variable injection blade comprises: a blade body formed in a circular pipe shape corresponding to the shape of the blade mounting groove and inserted and mounted in the blade mounting groove, with gear teeth formed along an outward surface for engaging with the blade driving gear; a tube mounting groove formed along the front inward surface of the blade body; and a tube formed in a circular ring shape, installed along the tube mounting groove, which expands toward the center of the blade body as fluid is supplied into the internal space, and contracts as the supplied fluid is discharged again to be received into the tube mounting groove. It may include a tube support frame having a length corresponding to the front and rear lengths of the tube seating groove, attached to the inner surface of the tube exposed from the tube seating groove, with the rear end connected to the rear end of the tube seating groove so as to be rotatable, and rotating as fluid is supplied to the tube and expands, thereby inducing the front inner surface of the tube to expand more inwardly than the rear inner surface of the tube, so as to induce the inner diameter of the inner surface of the tube to gradually decrease as it moves toward the front.

[0021] In one embodiment, the variable injection blade reduces the discharge angle of the compressed air compared to when it is exposed from the blade mounting groove and the compressed air is discharged through the blade mounting groove, and further reduces the discharge angle of the compressed air compared to when the tube is housed in the tube mounting groove as the tube expands after being exposed from the blade mounting groove.

[0022] In one embodiment, the upper side of the horizontal moving rail frame may be formed as an inclined surface to facilitate the movement of air descending along the wall of the booth. Effects of the invention

[0024] According to one aspect of the present invention described above, dust and foreign substances that may be generated during the painting process can be rapidly discharged.

[0025] The effects of the present invention are not limited to those mentioned above, and various effects may be included within the scope obvious to a person skilled in the art from the contents described below. Brief explanation of the drawing

[0027] FIG. 1 is a drawing showing the schematic configuration of a painting booth according to one embodiment of the present invention. FIG. 2 is a diagram showing the schematic configuration of a painting booth according to another embodiment of the present invention. Figure 3 is a drawing showing the air injection device of Figure 2. FIGS. 4 to 7 are drawings showing the injection slider of FIG. 3. Specific details for implementing the invention

[0028] The following detailed description of the invention refers to the accompanying drawings, which illustrate specific embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention. It should be understood that various embodiments of the invention are different but need not be mutually exclusive. For example, specific shapes, structures, and characteristics described herein may be implemented in other embodiments without departing from the spirit and scope of the invention in relation to one embodiment. It should also be understood that the location or arrangement of individual components within each disclosed embodiment may be changed without departing from the spirit and scope of the invention. Accordingly, the following detailed description is not intended to be limiting, and the scope of the invention is limited only by the appended claims, including all equivalents to those claimed therein, provided appropriately described. Similar reference numerals in the drawings refer to the same or similar functions across various aspects.

[0029] Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the drawings.

[0030] FIG. 1 is a drawing showing the schematic configuration of a painting booth according to one embodiment of the present invention.

[0031] Referring to FIG. 1, a painting booth (10) according to one embodiment of the present invention includes a booth (100), an exhaust control plate (200), a ceiling filter (300), a side-mounted light source (400), an air supply device (500), and an exhaust device (600).

[0032] The booth (100) forms a sealed internal space that is opened and closed by a door (110), and is equipped with components such as an exhaust control plate (200), a ceiling filter (300), a side-mounted light source (400), an air supply device (500), and an exhaust device (600).

[0033] The discharge control plate (200) forms the bottom surface of the booth (100) and discharges dust and foreign matter floating in the internal space of the booth (100).

[0034] The ceiling filter (300) forms the ceiling surface of the booth (100) and filters foreign substances contained in the intake air flowing into the interior space of the booth (100).

[0035] Side-mounted light sources (400) are installed along one side and the other side of the ceiling surface of the booth (100).

[0036] The air supply device (500) introduces air into the interior space of the booth (100) through the ceiling filter (300).

[0037] The exhaust device (600) discharges air from the interior space of the booth (100) through the exhaust control plate (200).

[0038] A painting booth (10) according to one embodiment of the present invention having the configuration described above can quickly discharge dust and foreign substances that may be generated during the painting process.

[0040] FIG. 2 is a diagram showing the schematic configuration of a painting booth according to another embodiment of the present invention.

[0041] Referring to FIG. 2, a painting booth (20) according to another embodiment of the present invention includes a booth (100), an exhaust control plate (200), a ceiling filter (300), a side-mounted light source (400), an air supply device (500), an exhaust device (600), and an air injection device (700).

[0042] Here, the booth (100), exhaust control plate (200), ceiling filter (300), side-mounted light source (400), air supply device (500), and exhaust device (600) are identical to the components of FIG. 1, so their descriptions will be omitted to avoid duplication of descriptions.

[0043] The air injection device (700) is installed horizontally along the upper side of the inner space of the booth (100) and injects compressed air into the inner space of the booth (100) to induce airflow in the inner space of the booth (100).

[0044] A painting booth (20) according to another embodiment of the present invention having the configuration described above can effectively prevent dust or foreign matter from accumulating in the interior space of the booth (100) or on the walls of the booth (100) by using an air injection device (700) to induce a uniform downward airflow in the interior space of the booth (100) and by injecting compressed air to a location where dust or foreign matter is likely to accumulate.

[0046] Figure 3 is a drawing showing the air injection device of Figure 2.

[0047] Referring to FIG. 3, the air injection device (700) includes a horizontal moving rail frame (710), a horizontal rail (720), and an injection slider (730).

[0048] The horizontal moving rail frame (710) is formed to extend horizontally along the upper side of the interior space of the booth (100).

[0049] In one embodiment, the horizontal moving rail frame (710) may have an upper side formed as an inclined surface to facilitate the movement of air descending along the wall of the booth (100).

[0050] The horizontal rail (720) is formed to extend along the inner side of the horizontal moving rail frame (710) while forming an opening on the lower side of the horizontal moving rail frame (710).

[0051] The injection slider (730) is connected and installed in an interlocking manner along the horizontal rail (720) at least once, and induces airflow in the internal space of the booth (100) by injecting compressed air while sliding along the horizontal rail (720).

[0052] The air injection device (700) having the configuration described above can induce a uniform downward airflow in the interior space of the booth (100) by injecting compressed air to various locations, and can also effectively prevent dust or foreign matter from accumulating in the interior space of the booth (100) or on the walls of the booth (100) by injecting compressed air to locations where dust or foreign matter is likely to accumulate.

[0053] In addition, the air injection device (700) having the configuration described above can directly inject compressed air into the painted product to immediately remove foreign substances attached to the painted product.

[0055] FIGS. 4 to 7 are drawings showing the injection slider of FIG. 3.

[0056] Referring to FIGS. 4 to 7, the injection slider (730) includes a slider body (731), a sliding drive gear (732), a block mounting groove (733), a rotating block (734), a block drive gear (735), a nozzle groove (736), an injection nozzle (737), a wing mounting groove (738), a variable injection wing (800), and a plurality of wing drive gears (739).

[0057] The slider body (731) is connected and installed to the horizontal rail (720) and slides along the horizontal rail (720).

[0058] The sliding drive gear (732) is connected to the slider body (731) so as to be rotatably driven, and is connected by engaging with the gear teeth formed along the horizontal rail (720) through gear coupling, and is rotatably driven in the forward or reverse direction to slide the slider body (731).

[0059] The block mounting groove (733) is formed hollowly on the inner side of the horizontal rail (720), forming an opening on the lower side of the slider body (731) exposed from the horizontal rail (720).

[0060] The rotating block (734) is formed in the shape of a cylindrical column and is connected and installed so as to be rotatably engaged in the block seating groove (733).

[0061] The block drive gear (735) is connected to the slider body (731) so as to be rotatably driven, and is connected by a gear connection to the gear teeth formed along the circumference of the rotating block (734), and is rotatably driven in a forward or reverse direction to rotate the rotating block (734).

[0062] The nozzle groove (736) is formed as a recess on the lower side of the rotating block (734) exposed from the block seating groove (733), and is formed in a conical shape such that the inner diameter gradually decreases from the entrance inward.

[0063] The spray nozzle (737) is installed inside the nozzle groove (736) and sprays compressed air.

[0064] The wing seating groove (738) is formed by being recessed along the inner surface of the nozzle groove (736), with an inner diameter smaller than the inner diameter of the entrance of the nozzle groove (736).

[0065] The variable injection blade (800) is formed in a circular pipe shape corresponding to the shape of the wing mounting groove (738) and is inserted and mounted in the wing mounting groove (738), and as it is exposed from the wing mounting groove (738), it serves as an air discharge passage for compressed air injected through the injection nozzle (737).

[0066] In one embodiment, the variable injection blade (800) may include a blade body (810), a tube seating groove (820), a tube (830), and a tube support frame (840).

[0067] The wing body (810) is formed in a circular pipe shape corresponding to the shape of the wing mounting groove (738) and is inserted and mounted in the wing mounting groove (738), and gear teeth are formed along the outer surface to engage with the wing driving gear (739).

[0068] The tube seating groove (820) is formed along the front inward surface of the wing body (810).

[0069] The tube (830) is formed in the shape of a circular ring made of an elastic material capable of expansion or contraction and is installed along the tube seating groove (820). As a fluid, such as water or oil, is supplied from a fluid supply tank (not shown in the drawing for convenience of explanation) into the internal space, it expands toward the center of the wing body (810), and as the supplied fluid is discharged, it contracts and is received into the tube seating groove (820).

[0070] The tube support frame (840) is formed with a length corresponding to the front and rear length of the tube seating groove (820) and is attached to the inner surface of the tube (830) exposed from the tube seating groove (820), with the rear end connected to the rear end of the tube seating groove (820) so as to be rotatable. As fluid is supplied to the tube (830) and expands, it rotates to induce the front inner surface of the tube (830) to expand more inwardly than the rear inner surface of the tube (830), thereby inducing the inner diameter of the inner surface of the tube (830) to gradually decrease as it moves toward the front.

[0071] A plurality of wing drive gears (739) are connected and installed so as to be rotatably driven at regular intervals along the circumference of the wing mounting groove (738), and are connected by engaging with gear teeth formed along the circumference of the variable injection wing (800) through gear coupling, and are rotated in a forward or reverse direction to insert the variable injection wing (800) into the wing mounting groove (738) or expose it from the wing mounting groove (738).

[0072] A variable injection blade (800) having the configuration described above reduces the discharge angle of compressed air compared to the case where compressed air is discharged through the wing seating groove (738) as the tube (830) expands (in the case of 830b in FIG. 8) and as the tube (830) expands after being exposed from the wing seating groove (738) (in the case of 830b in FIG. 8) and the tube (830) is housed in the tube seating groove (820) (in the case of 830a in FIG. 8).

[0073] The injection slider (730) having the configuration described above can vary the injection angle of the compressed air, thereby varying the angle of formation of the downward airflow, and also vary the intensity of the compressed air being injected, so that more effective removal of dust or foreign matter can be achieved.

[0075] The embodiments described above are for illustrative purposes only, and those skilled in the art will understand that the embodiments described above can be easily modified into other specific forms without altering the technical concept or essential features of the embodiments described above. Therefore, the embodiments described above should be understood as illustrative in all respects and not restrictive. For example, each component described as a single unit may be implemented in a distributed manner, and components described as distributed may likewise be implemented in a combined form.

[0077] The scope of protection sought through this specification is defined by the claims set forth below rather than by the detailed description above, and should be interpreted to include all modifications or variations derived from the meaning and scope of the claims and the concept of equivalents. Explanation of the symbols

[0079] 10, 20: Paint booth 100: Booth 200: Discharge control plate 300: Ceiling filter 400: Side-mounted light source 500: Air supply device 600: Exhaust system 700: Air injection device

Claims

Claim 1 A booth forming a sealed internal space that is opened and closed by a door; an exhaust control plate forming the floor surface of the booth and discharging dust and foreign substances suspended in the internal space of the booth; a ceiling filter forming the ceiling surface of the booth and filtering foreign substances contained in the intake air flowing into the internal space of the booth; a side-mounted light source installed along one side and the other side of the ceiling surface of the booth; an air supply device introducing air into the internal space of the booth through the ceiling filter; and an exhaust device discharging air from the internal space of the booth through the exhaust control plate; and further comprising an air injection device installed horizontally along the upper side of the internal space of the booth and injecting compressed air into the internal space of the booth to induce airflow in the internal space of the booth; wherein the air injection device comprises: a horizontal moving rail frame extending horizontally along the upper side of the internal space of the booth; and a horizontal rail extending along the inner side of the horizontal moving rail frame while forming an opening on the lower side of the horizontal moving rail frame. The apparatus includes at least one injection slider that is connected and installed in an interlocking manner along the horizontal rail and induces airflow in the internal space of the booth by injecting compressed air while sliding along the horizontal rail; wherein the injection slider comprises: a slider body connected and installed in an interlocking manner along the horizontal rail and sliding along the horizontal rail; a sliding drive gear connected to the slider body so as to be rotatably driven, connected and installed in an interlocking manner with a gear tooth formed along the horizontal rail by gear coupling, and rotated in a forward or reverse direction to slide the slider body; and a block seating groove formed hollowly on the inner side of the horizontal rail while forming an opening on the lower side of the slider body exposed from the horizontal rail.A rotating block formed in the shape of a cylindrical column and connected to the block mounting groove so as to be rotatable; a block driving gear connected to the slider body so as to be rotatable and connected to the gear teeth formed along the circumference of the rotating block by gear coupling, and which rotates the rotating block by being driven in a forward or reverse direction; a nozzle groove formed in a recess on the lower side of the rotating block exposed from the block mounting groove, formed in a conical shape such that the inner diameter gradually decreases from the inlet to the inside; a spray nozzle installed inside the nozzle groove to spray compressed air; a wing mounting groove formed in a recess along the inner surface of the nozzle groove, having an inner diameter smaller than the inner diameter of the nozzle groove's inlet; and a variable spray wing formed in the shape of a circular pipe corresponding to the shape of the wing mounting groove, inserted and mounted in the wing mounting groove, and which acts as an air discharge passage for the compressed air sprayed through the spray nozzle as it is exposed from the wing mounting groove. and a plurality of wing drive gears are installed so as to be rotatably driven at regular intervals along the circumference of the wing mounting groove, and are connected and installed by engaging with gear teeth formed along the circumference of the variable injection wing through gear coupling, and are rotated in a forward or reverse direction to insert the variable injection wing into the wing mounting groove or expose it from the wing mounting groove; wherein the variable injection wing comprises: a wing body formed in a circular pipe shape corresponding to the shape of the wing mounting groove and inserted and mounted in the wing mounting groove, with gear teeth formed along an outward surface for engaging with the wing drive gear; a tube mounting groove formed along the front inward surface of the wing body; and a tube formed in a circular ring shape and installed along the tube mounting groove, which expands toward the center of the wing body as fluid is supplied into the internal space and contracts as the supplied fluid is discharged again to be received into the tube mounting groove.A painting booth comprising: a tube support frame having a length corresponding to the front and rear lengths of the tube seating groove, attached to the inner surface of the tube exposed from the tube seating groove, with the rear end connected to the rear end of the tube seating groove so as to be rotatable, and rotating as fluid is supplied to the tube and expands, thereby inducing the front inner surface of the tube to expand more inwardly than the rear inner surface of the tube, so as to induce the inner diameter of the inner surface of the tube to gradually decrease as it moves toward the front end. 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