A sign spray painting device
By designing the dust removal and painting mechanisms of the spray painting device, the problem of particle protrusion caused by impurities during the spray painting process of power signs was solved, achieving efficient and uniform painting results and improving the quality of the signs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUBEI HENGDONG POWER EQUIP CO LTD
- Filing Date
- 2025-09-16
- Publication Date
- 2026-07-31
AI Technical Summary
In existing technologies, impurities exist during the painting process of power signs, which easily causes particle protrusions on the paint surface, and the working efficiency of handheld spray guns is low.
A sign spraying device was designed, including a spray tank, a moving mechanism, a dust removal mechanism, and a spraying mechanism. Impurities on the sign surface are removed by an air blowing component, and then the spraying component is used for spraying, thereby improving spraying efficiency and ensuring the uniformity of the paint surface.
It effectively removes impurities from the surface of the sign, improves the efficiency of the painting process, ensures a smooth paint surface, and enhances the visual effect of the sign.
Smart Images

Figure CN224573989U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sign spraying technology, specifically to a sign spraying device. Background Technology
[0002] Power signs are the "silent safety officers" of the power system. Their main function is to convey key information through standardized graphic symbols, ensure operational safety, standardize operating procedures, and prevent accidents. For example, signs such as "High Voltage Danger, Do Not Approach" and "Beware of Electric Shock" remind people to stay away from live equipment or dangerous areas.
[0003] Most power signs are used outdoors. During manufacturing, an anti-corrosion paint layer needs to be sprayed onto the surface of the sign to extend its service life. In the current technology, operators need to use hand-held spray guns to spray paint the surface of each sign, which is inefficient. In addition, if there are impurities on the surface of the sign, the paint surface is prone to particle protrusion after spraying, which affects the visual effect of the sign. Utility Model Content
[0004] The purpose of this utility model is to overcome the above-mentioned technical deficiencies and provide a sign spraying device to solve the problems in the prior art where there are impurities on the signs, the paint surface is prone to particle protrusion after spraying, and the operator holds a spray gun to spray the signs, resulting in low work efficiency.
[0005] To achieve the above-mentioned technical objectives, the present invention adopts the following technical solution: This utility model provides a sign spraying device, comprising: A spray paint tank, wherein a spray paint area is provided on the spray paint tank, and multiple signs can be placed at intervals within the spray paint area; A moving mechanism is mounted on the paint spray tank and is capable of reciprocating along the length of the paint spray area. A dust removal mechanism includes an air blowing component and an air supply component. The air blowing component is mounted on one side of the moving mechanism and is connected to the air supply component. The air blowing component is capable of blowing air onto the painting area; and... A painting mechanism includes a painting component and a paint supply component. The painting component is installed in the middle of a moving mechanism and is connected to the paint supply component. The painting component is capable of painting the painting area.
[0006] In one embodiment, support blocks are symmetrically arranged on opposite sides of the paint spray tank, and the paint spraying area is formed between the two support blocks.
[0007] In one embodiment, both support blocks are provided with multiple limiting portions, each limiting portion including two protrusions spaced apart on the support block, the two protrusions being able to be inserted into two through holes on one side of the sign.
[0008] In one embodiment, the moving mechanism includes a cover, at least one forward and reverse motor and a gear. The cover is slidably connected to the paint spray tank. The forward and reverse motor is mounted on the cover. A rack is mounted along the length of the paint spray tank, and a gear meshing with the rack is fixed at the output end of the forward and reverse motor. The air blowing component is mounted on one side of the cover, and the paint spraying component is mounted in the middle of the cover.
[0009] In one embodiment, the air blowing component includes an air guide pipe and a plurality of air nozzles. The air guide pipe is installed on the outside of one side of the cover and communicates with the air supply component. The plurality of air nozzles are installed at intervals on the air guide pipe and extend into the paint spray tank.
[0010] In one embodiment, the lower ends of the plurality of air nozzles are all curved, and the plurality of air nozzles are capable of tangentially blowing air onto the paint spraying area.
[0011] In one embodiment, the paint spraying component includes a paint supply pipe and paint nozzles. The paint supply pipe is installed in the inner middle of the cover and communicates with the paint supply component. A plurality of paint nozzles are installed at intervals on the paint supply pipe, and all paint nozzles extend into the paint spraying tank.
[0012] In one embodiment, the paint supply unit includes a cylinder and a pump, the cylinder containing paint, and the cylinder being connected to the paint delivery pipe via the pump.
[0013] In one embodiment, an ultraviolet lamp is also included, which is installed inside the enclosure and is used to cure the paint on the sign.
[0014] In one embodiment, the air supply component is a high-pressure air pump.
[0015] Compared with the prior art, the sign painting device provided by this utility model has a painting area on the paint tank, a moving mechanism installed on the paint tank, an air blowing component installed on one side of the moving mechanism and connected to an air supply component, which can blow air onto the painting area, and a paint spraying component installed in the middle of the moving mechanism and connected to a paint supply component, which can spray paint onto the painting area. In use, multiple signs are placed at intervals in the painting area, and the moving mechanism moves back and forth along the length of the painting area. The air blowing component can first blow away impurities on the signs to keep the surface of the signs clean, and then the paint spraying component can spray paint on the surface of the signs, which effectively improves the work efficiency of sign painting and can ensure uniform paint thickness. Attached Figure Description
[0016] Figure 1 This is a structural schematic diagram of a sign spraying device provided by this utility model; Figure 2 yes Figure 1 Enlarged view of region A in the middle; Figure 3 It is along Figure 1 Sectional view along the BB direction; Figure 4 This is a partial structural diagram of a sign spraying device provided by this utility model; Figure 5 This is a schematic diagram of the structure of the paint spray tank provided by this utility model. Detailed Implementation
[0017] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.
[0018] To address the technical problems in existing signage technology, such as impurities on the signs, the tendency for paint to develop raised particles after spraying, and the low work efficiency caused by operators using handheld spray guns, this solution provides a sign painting device that removes surface impurities before painting, ensuring the cleanliness of the sign surface. Subsequently, each sign surface is painted sequentially, thus improving the efficiency of sign painting.
[0019] Please see Figures 1-5 , Figures 1-5 This utility model discloses a sign spraying device, comprising a spray tank 1, a moving mechanism 2, a dust removal mechanism 3, and a spraying mechanism 4. The spray tank 1 has a spraying area, and multiple signs can be placed at intervals within the spraying area. The moving mechanism 2 is mounted on the spray tank 1 and can reciprocate along the length of the spraying area. The dust removal mechanism 3 includes an air blowing component 31 and an air supply component 32. The air blowing component 31 is mounted on one side of the moving mechanism 2 and is connected to the air supply component 32. The air blowing component 31 can blow air onto the spraying area. The painting mechanism 4 includes a painting component 41 and a paint supply component 42. The painting component 41 is installed in the middle of the moving mechanism 2 and is connected to the paint supply component 42. The painting component 41 can paint the painting area.
[0020] In actual use, multiple signs are placed at intervals in the spray painting area, and the signs are arranged in a straight line with a gap of no more than 1 cm between adjacent signs. The moving mechanism is activated and moves along the length of the spray painting area. The air blowing component 31 first blows air onto the signs in the spray painting area. The high-speed airflow can blow away impurities on the signs and ensure the cleanliness of the sign surface. Then, the spray painting component 41 can spray paint on the surface of each sign in sequence.
[0021] It should be noted that, in one embodiment, support blocks 11 are symmetrically arranged on opposite sides of the paint spraying tank 1, and the paint spraying area is formed between the two support blocks 11; specifically, the two support blocks 11 can support the opposite sides of the sign respectively.
[0022] It should be noted that two through holes are provided at intervals on both sides of the sign C. Based on the above scheme, in order to position the sign, specifically, both support blocks 11 are provided with multiple limiting parts. The limiting parts include two protrusions 12 that are spaced apart on the support block 11. When one side of the sign C is placed on the support block 11, the two protrusions 12 can be inserted into the two through holes on one side of the sign respectively.
[0023] Furthermore, the moving mechanism 2 is not limited to a specific structure. In one embodiment, the moving mechanism 2 includes a cover 21, at least one forward and reverse motor 22, and a gear 23. The cover 21 is slidably connected to the paint spray tank 1. The forward and reverse motor 22 is mounted on the cover 21. A rack 24 is mounted along the length of the paint spray tank, and a gear 23 that meshes with the rack 24 is fixed at the output end of the forward and reverse motor 22. The air blowing component 31 is mounted on one side of the cover 21, and the paint spraying component 41 is mounted in the middle of the cover 21.
[0024] In this specific embodiment, the cover 21 is slidably connected to the corresponding two sides of the paint spray tank 1. Racks 24 are installed on the opposite sides of the paint spray tank 1. Two forward and reverse motors 22 are installed on the cover 21, and the gears 23 at the conveying ends of the two forward and reverse motors 22 respectively mesh with the two racks 24.
[0025] It should be noted that the air blowing component 31 is not limited to a specific structure. Specifically, the air blowing component 31 includes an air guide pipe 311 and a plurality of air nozzles 312. The air guide pipe 311 is installed on the outside of one side of the cover 21 and is connected to the air supply component 32. The plurality of air nozzles 312 are installed at intervals on the air guide pipe 311, and the plurality of air nozzles 312 extend into the paint spray tank 1.
[0026] The air supply component 32 is a high-pressure air pump. The high-pressure airflow is delivered to the air guide pipe 311 through the air supply component 32 and sprayed out through multiple air nozzles 312, which can effectively blow away the impurities on the nameplate.
[0027] Based on the above scheme, the lower ends of the plurality of air nozzles 312 are all curved, and the plurality of air nozzles 312 can tangentially blow air onto the paint spraying area; specifically, when the moving mechanism 2 moves relative to the paint spraying tank 1, the plurality of air nozzles 312 can first blow air onto the signs in the paint spraying area.
[0028] In one embodiment, the paint spraying component 41 includes a paint supply pipe 411 and a paint spray nozzle 412. The paint supply pipe 411 is installed in the middle of the cover 21 and communicates with the paint supply component 42. A plurality of paint spray nozzles 412 are installed at intervals on the paint supply pipe 411, and all the paint spray nozzles 412 extend into the paint spraying pool 1.
[0029] Specifically, the paint supply component 42 includes a cylinder 421 and a liquid pump 422. The cylinder 421 contains paint, and the cylinder 421 is connected to the paint delivery pipe 411 via the liquid pump 422.
[0030] Based on the above solution, in order to shorten the curing time of the paint surface, a UV lamp 5 is specifically included. The UV lamp 5 is installed inside the cover 21 and is used to cure the paint surface of the sign.
[0031] In addition, in one embodiment, a distance sensor and a controller are also included. The distance sensor is mounted on the cover. The distance sensor, the forward and reverse motor 22, the liquid pump 422 and the high-pressure air pump are all electrically connected to the controller. Furthermore, a stop is provided on the outer wall of the paint tank 1 at the end of the paint spraying area. When the distance sensor corresponds to the stop, the controller can instantly control the liquid pump 422 to stop working, thereby reducing paint waste.
[0032] Furthermore, when the moving mechanism moves from the end of the paint spraying area to the beginning of the paint spraying area, the ultraviolet lamp 5 can irradiate the paint surface again, shortening the paint curing time.
[0033] The specific embodiments of this utility model described above do not constitute a limitation on the scope of protection of this utility model. Any other corresponding changes and modifications made based on the technical concept of this utility model should be included within the scope of protection of the claims of this utility model.
Claims
1. A sign painting device, characterized by, include: A spray paint tank, wherein a spray paint area is provided on the spray paint tank, and multiple signs can be placed at intervals within the spray paint area; A moving mechanism is mounted on the paint spray tank and is capable of reciprocating along the length of the paint spray area. A dust removal mechanism includes an air blowing component and an air supply component. The air blowing component is mounted on one side of the moving mechanism and is connected to the air supply component. The air blowing component is capable of blowing air onto the painting area; and... A painting mechanism includes a painting component and a paint supply component. The painting component is installed in the middle of a moving mechanism and is connected to the paint supply component. The painting component is capable of painting the painting area.
2. A label paint spraying device according to claim 1, wherein The paint spray tank is symmetrically provided with support blocks on both sides, and the paint spraying area is formed between the two support blocks.
3. A label paint spraying device according to claim 2, wherein Both support blocks are provided with multiple limiting parts, each including two protrusions spaced apart on the support block, and the two protrusions can be respectively inserted into two through holes on one side of the sign.
4. A label paint spraying device according to any one of claims 1 to 3, wherein The moving mechanism includes a cover, at least one forward and reverse motor and a gear. The cover is slidably connected to the paint spray tank. The forward and reverse motor is mounted on the cover. A rack is mounted along the length of the paint spray tank. A gear that meshes with the rack is fixed at the output end of the forward and reverse motor. The air blowing component is mounted on one side of the cover, and the paint spraying component is mounted in the middle of the cover.
5. A label painting apparatus as defined in claim 4, wherein The air blowing component includes an air guide pipe and multiple air nozzles. The air guide pipe is installed on the outside of one side of the cover and is connected to the air supply component. The multiple air nozzles are installed at intervals on the air guide pipe and extend into the paint spray tank.
6. A label paint spraying device according to claim 5, wherein The lower ends of the plurality of air nozzles are all curved, and the plurality of air nozzles are capable of tangentially blowing air onto the paint spraying area.
7. A label paint spraying device according to claim 6, wherein The painting component includes a paint supply pipe and a paint nozzle. The paint supply pipe is installed in the middle of the cover and communicates with the paint supply component. A plurality of paint nozzles are installed at intervals on the paint supply pipe, and all the paint nozzles extend into the paint spray tank.
8. A label paint spraying device according to claim 7, wherein The paint supply unit includes a cylinder and a pump. The cylinder contains paint, and the cylinder is connected to the paint delivery pipe via the pump.
9. A label paint spraying device according to claim 4, wherein It also includes an ultraviolet lamp, which is installed inside the enclosure and is used to cure the paint on the sign.
10. A label paint spraying device according to claim 1, wherein The air supply component is a high-pressure air pump.