Dust-free spraying box for metal plate processing
By designing a dust-free spray box, spraying with nozzles and load-bearing devices, and keeping the environment clean through a rotary vacuum cleaner, the paint spots and cracking problems caused by traditional spraying methods are solved, and the stability and cost of paint adhesion are reduced.
Patent Information
- Application Number
- CN202421427859.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-06-21
AI Technical Summary
Traditional spraying methods adhere particulate matter on the surface of metal sheets, resulting in spots and cracks in the paint, which in turn leads to corrosion of metal sheets, and the cost of building a dust-free workshop is higher.
A dust-free spray box is designed, including a box, nozzle, a load-bearing device and a rotary vacuum cleaner device. Paint is sprayed through the nozzle, and the carrier is slidingly installed on the plate, and a rotary vacuum cleaner device is used to absorb particulate matter in the box to keep the spraying environment clean.
The particulate content in the sprayed paint space is reduced, ensuring stable paint adhesion, avoiding paint cracking, reducing maintenance costs, and compared with building a dust-free workshop, the cost is lower and maintenance is more convenient.
Smart Images

Figure CN222789603U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a dust-free spray box for processing metal plates. Background Art
[0002] The metal plates of the combined distribution cabinet need to be sprayed with paint on the surface. The traditional spraying method is to spray directly through an assembly line. This spraying method is very easy to cause particles to adhere to the surface, resulting in spots on the paint. It is also easy to cause cracking of the paint in the later stage, leading to corrosion of the metal plates.
[0003] The cost of building a special dust-free workshop is relatively high, and compared with the medical field where dust-free workshops are used, the spraying of metal sheets obviously does not have such high dust-free requirements.
[0004] Therefore, we specially designed a dust-free spray box for surface spraying of sheet metal to create a dust-free spraying environment and make the paint spray adhere more stably for metal sheet processing. Utility Model Content
[0005] The technical problem to be solved by the utility model is to provide a dust-free spray box for surface spraying of plates, which creates a dust-free spraying environment and allows paint spraying to adhere more stably to metal plates.
[0006] The utility model is realized by the following technical solutions:
[0007] A dust-free spray box for processing metal plates comprises a box body, a plurality of mounting holes are arranged in a rectangular array on the top of the box body, and nozzles for spraying paint are installed through the mounting holes. The invention is characterized in that an open groove is arranged at one end of the box body, a carrying device for carrying the plate to be sprayed is slidably installed through the open groove, a rotary dust suction device is arranged at the other end of the box body, and an air vent is arranged on the side of the box body, and a filter box is installed in the air vent.
[0008] Preferably, a frame plate is arranged on the inner side of the box body corresponding to the opening groove, and dust removal bristles are implanted at the bottom of the frame plate.
[0009] Preferably, the supporting device comprises an L-shaped slide plate, and when the slide plate is inserted to the extreme position along the opening groove, the slide plate closes the opening groove, and a ground contact pulley is arranged at the outer end surface of the slide plate; the rotary dust suction device bypasses the slide plate when rotating.
[0010] Preferably, an inner box is provided on the inner side of the slide plate, a negative pressure cavity is formed on the inner side of the inner box, a plurality of suction cups are provided in a rectangular array on the top of the inner box, the suction cups are connected to the negative pressure cavity, a connecting pipe is provided on the outer end surface of the slide plate, a vacuum pump is installed at the rear of the box body, the vacuum pump is connected to a vacuum tube, the vacuum tube is bent to be opposite to the connecting tube, and a folding tube is provided between the vacuum tube and the connecting tube.
[0011] Preferably, the rotary dust suction device includes a gear box, a rotary tube, a servo motor and a negative pressure fan, the rotary tube passes through the gear box and is connected to the gear inside the gear box, the servo motor is installed at the input end of the gear box, when the servo motor rotates, the rotary tube is driven to rotate through the gear transmission in the gear box, one end of the rotary tube is inserted into the negative pressure fan, and a bearing and a shaft seal are matched with the negative pressure fan, the shaft seal is sealed on the inner side of the bearing, the other end of the rotary tube is inserted into the box body, and a first bearing and a first shaft seal are matched with the box body, the first shaft seal is sealed on the inner side of the first bearing, a side plate is provided at the outer wall of the rotary tube, the side plate is connected to the rotary tube, a dust suction pipe is provided at the end face of the side plate, the dust suction pipe is eccentrically arranged with the rotary tube, a dust suction hole is provided on the tube body of the dust suction pipe, and when the rotary tube rotates, the dust suction pipe rotates around the slide plate.
[0012] The beneficial effects of the utility model are:
[0013] Advantage 1: This device can provide a paint spraying space, in which the particle content is less than that in the workshop, and can be vacuumed by a rotary vacuum device to keep the particle content in the space further reduced to within the spraying requirement standard.
[0014] Advantage 2: Compared with building a dust-free workshop, this device has lower cost and is more convenient to maintain.
[0015] Advantage three, the rotary dust suction device absorbs the free particles in the box by rotating, with higher adsorption efficiency and larger adsorption area. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0017] Figure 1 It is a schematic diagram of the structure of the utility model;
[0018] Figure 2 It is a structural schematic diagram of a rotary dust collection device. DETAILED DESCRIPTION
[0019] All features disclosed in this specification, or steps in all methods or processes disclosed, except mutually exclusive features and / or steps, can be combined in any manner.
[0020] Any feature disclosed in this specification (including any additional claims, abstract and drawings), unless otherwise stated, may be replaced by other equivalent or alternative features with similar purposes. That is, unless otherwise stated, each feature is only an example of a series of equivalent or similar features.
[0021] In the description of the present invention, it should be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "center", "end", "length", "outer end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do 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 therefore should not be understood as a limitation on the present invention.
[0022] In addition, in the description of the present invention, “plurality” means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0023] In the present invention, unless otherwise clearly specified and limited, the terms "set", "socket", "connect", "penetrate", "plug in" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0024] like Figure 1A dust-free spray box for metal sheet processing shown in the figure includes a box body 1, a plurality of mounting holes (not shown) are arranged in a rectangular array on the top of the box body 1, a nozzle 2 for spraying paint is installed through the mounting holes, the nozzle 2 is connected to the paint spraying equipment through a pipeline, an open groove 101 is arranged at one end of the box body 1, a carrying device 3 for carrying the sprayed sheet is slidably installed through the open groove 101, a rotary dust suction device 4 is arranged at the other end of the box body 1, and an air vent (not shown) is arranged on the side of the box body 1, and a filter box 5 is installed in the air vent.
[0025] In the above technical solution, after the supporting device 3 slides in along the opening groove 101 and closes the opening groove 101, the rotary dust suction device 4 starts to work, quickly adsorbs the particles free in the box body 1 by rotation, and takes in air through the filter box 5, so as to keep the box body 1 always in a positive pressure state.
[0026] See also Figure 1 As shown, a frame plate 121 is provided on the inner side of the box body 1 corresponding to the opening groove 101 , and dust removal bristles 131 are implanted at the bottom of the frame plate 121 .
[0027] The dust removal bristles 131 can loosen particles adhering to the surface of the metal plate, making it easier for the rotary dust collection device 4 to capture the particles.
[0028] See also Figure 1 As shown, the supporting device 3 includes an L-shaped slide plate 31. When the slide plate 31 is inserted to the extreme position along the opening groove 101, the slide plate 31 closes the opening groove 101. A ground contact pulley 32 is provided at the outer end surface of the slide plate 31; the rotary dust suction device 4 bypasses the slide plate 31 when rotating.
[0029] In the above technical solution, the metal sheet to be sprayed is carried by the slide plate 31, so that rapid sliding in and out can be achieved.
[0030] The rotary dust collecting device 4 rotates around the slide plate 31 to perform dust collection, and can absorb the particles inside the box body 1 while absorbing the particles adhered to the slide plate 31 and the surface of the metal plate.
[0031] See also Figure 1As shown, an inner box 33 is provided on the inner side of the slide plate 31, and a negative pressure cavity (not shown) is formed on the inner side of the inner box 33. A plurality of suction cups 34 are provided in a rectangular array on the top of the inner box 33, and the suction cups 34 are connected to the negative pressure cavity. A connecting pipe 35 is provided on the outer end surface of the slide plate 31, and a vacuum pump 36 is installed at the rear of the box body 1. The vacuum pump 36 is connected to a vacuum tube 37, and the vacuum tube 37 is bent to be opposite to the connecting tube 35, and a folding tube 38 is provided between the vacuum tube 37 and the connecting tube 35.
[0032] In the above technical solution, the metal sheet to be sprayed is carried by the suction cup 34 and fixed by negative pressure adsorption. After the spraying is completed and the paint is initially fixed, the slide plate 31 is pulled out and the vacuum pump is turned off to release the vacuum, making it convenient to remove the sprayed metal sheet.
[0033] See also Figure 1 and Figure 2 As shown, the rotary dust collecting device 4 includes a gear box 41, a rotary tube 42, a servo motor 43 and a negative pressure fan 44. The rotary tube 42 passes through the gear box 41 and is connected to the gear inside the gear box 41. In the above technology, the rotary tube 42 replaces the gear shaft in the original gear box 41, and the rotary tube 42 and the gear box 41 are also supported by bearings. The servo motor 43 is installed at the input end of the gear box 41. When the servo motor 43 rotates, the rotary tube 42 is driven to rotate through the gear transmission in the gear box 41. One end of the rotary tube 42 is inserted into the negative pressure fan 44 and is connected to the negative pressure fan A bearing and a shaft seal are provided between the machine 44, and the shaft seal is sealed on the inner side of the bearing. The other end of the rotary tube 42 is inserted into the housing 1, and a first bearing and a first shaft seal are provided between the housing 1, and the first shaft seal is sealed on the inner side of the first bearing. A side plate 45 is provided on the outer wall of the rotary tube 42, and the side plate 45 is connected to the rotary tube 42. A dust suction pipe 46 is provided on the end face of the side plate 45, and the dust suction pipe 46 is eccentrically arranged with the rotary tube 42. A dust suction hole 47 is provided on the tube body of the dust suction pipe 46. When the rotary tube rotates, the dust suction pipe 46 rotates around the slide plate 31.
[0034] In the above technical solution, negative pressure is provided by the negative pressure fan 44 to form suction at the dust suction hole 47. As the dust suction tube 46 rotates around the slide plate 31, the free particles in the box body 1 are quickly adsorbed to achieve dust removal.
[0035] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope defined in the claims.
Claims
1. A dust-free spray box for metal sheet processing, comprising a box body, a plurality of mounting holes are arranged in a rectangular array on the top of the box body, and a nozzle for spraying paint is installed through the mounting holes, characterized in that: An open slot is provided at one end of the box body, and a carrying device for carrying the sprayed plate is slidably installed through the open slot. A rotary dust suction device is provided at the other end of the box body. A vent hole is provided on the side of the box body, and a filter box is installed in the vent hole.
2. The dust-free spray box for metal sheet processing according to claim 1, characterized in that: A frame plate is arranged on the inner side of the box body corresponding to the opening groove, and dust removal brush bristles are implanted at the bottom of the frame plate.
3. The dust-free spray box for metal sheet processing according to claim 1, characterized in that: The carrying device includes an L-shaped slide plate. When the slide plate is inserted to the extreme position along the opening groove, the slide plate closes the opening groove. A ground contact pulley is arranged at the outer end surface of the slide plate. The rotary dust suction device bypasses the slide plate when rotating.
4. The dust-free spray box for metal sheet processing according to claim 3 is characterized in that: An inner box is arranged on the inner side of the slide, a negative pressure cavity is formed on the inner side of the inner box, a plurality of suction cups are arranged in a rectangular array on the top of the inner box, the suction cups are connected to the negative pressure cavity, a connecting pipe is arranged on the outer end surface of the slide, a vacuum pump is installed at the rear of the box body, the vacuum pump is connected to a vacuum tube, the vacuum tube is bent to be opposite to the connecting tube, and a folding tube is arranged between the vacuum tube and the connecting tube.
5. The dust-free spray box for metal sheet processing according to claim 3, characterized in that: The rotary dust suction device comprises a gear box, a rotary tube, a servo motor and a negative pressure fan, the rotary tube passes through the gear box and is connected to the gear inside the gear box, the servo motor is installed at the input end of the gear box, when the servo motor rotates, the rotary tube is driven to rotate through the gear transmission in the gear box, one end of the rotary tube is inserted into the negative pressure fan, and a bearing and a shaft seal are matched with the negative pressure fan, the shaft seal is sealed on the inner side of the bearing, the other end of the rotary tube is inserted into the box body, and a first bearing and a first shaft seal are matched with the box body, the first shaft seal is sealed on the inner side of the first bearing, a side plate is arranged at the outer wall of the rotary tube, the side plate is connected to the rotary tube, a dust suction pipe is arranged at the end face of the side plate, the dust suction pipe is eccentrically arranged with the rotary tube, a dust suction hole is arranged on the tube body of the dust suction pipe, and when the rotary tube rotates, the dust suction pipe rotates around the slide plate.