Painting device

Abstract

The present invention discloses a painting device, which includes a paint dividing box, a paint supply assembly and wool felt. The paint dividing box forms a groove, and a plurality of partition plates are arranged in the groove. The partition plates divide the groove into a plurality of cavities. The cavity has a bottom wall and an inclined wall. The bottom wall is provided with a paint discharge port. The inclined wall is inclined from bottom to top in a direction away from the cavity, and the inclined wall is provided with a pass; the paint supply assembly includes a fixing frame, a plurality of paint tubes and a plurality of electric valves. The fixing frame is installed on the paint dividing box. The paint tube has a paint inlet and a paint outlet. The paint inlet is used to be connected to an external paint pump. The paint tube is installed on the fixing frame and the paint outlet extends into the corresponding cavity. An electric valve is installed on each paint tube; the wool felt is attached to the side of the inclined wall away from the cavity and is covered with a pass. The conductor is used to pass through the wool felt vertically from the corresponding pass. The pass is arranged corresponding to the paint outlet of the corresponding paint tube. The painting device of the present invention can paint the conductor evenly, thereby increasing the uniformity of painting.

Description

Technical Field

[0001] The invention relates to the technical field of enameled wire production, in particular to a painting device. Background Art

[0002] Enameled wire, a primary type of winding wire, consists of a conductor and an insulation layer. After annealing and softening, the bare wire undergoes multiple coats of paint and baking. However, producing a product that meets both standard requirements and customer needs is challenging. This is influenced by factors such as raw material quality, process parameters, production equipment, and the environment. While the quality characteristics of various enameled wires vary, they all possess four key properties: mechanical, chemical, electrical, and thermal properties.

[0003] Varnishing is the process of applying wire enameling paint to a metal conductor, forming a uniform layer of a certain thickness. During the wire coating process, achieving a consistent film thickness is difficult, which can easily lead to eccentricity. The uniformity of the film thickness directly affects the insulation performance of the wire. Existing varnishing equipment requires separating multiple conductors for varnishing. However, adjacent conductors in existing varnishing equipment are separated only by a spacer. During the coating process, the paint liquid between the two adjacent conductors easily affects each other, resulting in uneven coating of the conductors. Summary of the Invention

[0004] The main purpose of the present invention is to provide a painting device, aiming to solve the problem of uneven painting in existing painting devices.

[0005] To achieve the above object, the present invention provides a painting device, which includes:

[0006] A paint dispensing box, the paint dispensing box having a groove, a plurality of partition plates arranged in the groove, the plurality of partition plates being spaced apart along the extension direction of the groove, the partition plates dividing the groove into a plurality of cavities with top openings, the cavities having a bottom wall and an inclined wall, the bottom wall being provided with a paint discharge port, the inclined wall being inclined from bottom to top in a direction away from the cavity, and the inclined wall being provided with a pass;

[0007] A paint supply assembly, comprising a fixing frame, a plurality of paint tubes, and a plurality of electric valves. The fixing frame is mounted on the paint dispensing box. The number of the paint tubes is consistent with the number of the cavities and corresponds one to one. The paint tubes have a paint inlet and a paint outlet that are interconnected. The paint inlet is used to connect to an external paint pump. The paint tubes are mounted on the fixing frame, and the paint outlets extend into the corresponding cavities. Each paint tube is equipped with one of the electric valves.

[0008] Wool felt is attached to the side of the inclined wall away from the cavity and covers the passage, and the conductor is used to pass through the wool felt vertically from the corresponding passage, and the passage is arranged corresponding to the paint outlet of the corresponding paint tube.

[0009] In one embodiment, the wool felt includes a first felt body and a second felt body spaced apart in a vertical direction, and the first felt body and the second felt body are butted against each other to form a gap for the conductor to pass through.

[0010] In one embodiment, the painting device further includes a first baffle and a second baffle, wherein the first baffle is arranged on the side of the first felt body away from the inclined wall, and the first felt body is clamped between the first baffle and the inclined wall; the second baffle is arranged on the side of the second felt body away from the inclined wall, and the second felt body is clamped between the second baffle and the inclined wall, and the first baffle and the second baffle are respectively arranged on both sides of the gap.

[0011] In one embodiment, a plurality of protrusions are formed on one end of the second baffle toward the first baffle, and a slot is formed between any two adjacent protrusions. The number of the slots is consistent with the number of the openings and corresponds one to one. The conductor is used to pass through the wool felt vertically from the corresponding opening and extend into the corresponding slot.

[0012] In one embodiment, the painting device also includes a third baffle, which includes a plate body and a connecting block. The connecting blocks are arranged on both sides of the plate body, and the connecting blocks connect the plate body and the second baffle. The plate body is arranged at an angle and the inclination angle of the plate body is consistent with the inclined wall.

[0013] In one embodiment, the number of the electric valves is two groups, and the two groups of electric valves are arranged at intervals along the extension direction of the paint tube. In one group of electric valves, one paint tube is arranged between any two adjacent electric valves.

[0014] In one embodiment, the bottom end of the paint dispensing box is connected to a guide pipe communicating with the paint discharge port.

[0015] In one embodiment, the fixing frame is provided with a plurality of through holes for the paint tubes to pass through, and the fixing frame includes a first clamping plate and a second clamping plate, the first clamping plate is mounted on the paint dispensing box, and the first clamping plate and the second clamping plate enclose the through holes.

[0016] In one embodiment, the painting device further includes a camera and a control module, wherein the camera and the control module are communicatively connected, the camera is used to monitor the amount of paint output from the paint tube, and the control module is communicatively connected to the electric valve and is used to adjust the electric valve.

[0017] In one embodiment, the painting device further comprises a mounting bracket, which is disposed on a side of the paint dispensing box away from the inclined wall, and is configured to be mounted on an external device.

[0018] In the technical solution of the present invention, during the use of the painting device, the paint pump inputs the paint liquid into the paint tube through the paint inlet of the paint tube, and makes the paint liquid flow out from the paint outlet of the paint tube, and the paint dividing box forms a groove, and a plurality of partitions are arranged in the groove, and the partitions divide the groove into a plurality of cavities, and by setting paint tubes and electric valves with the same number as the plurality of cavities, the flow rate of the corresponding paint tubes is controlled by the electric valve, and the paint tubes are extended into the corresponding cavities, so that the paint liquid flowing out of each paint tube can be independently controlled and flow into the through-port opened in the corresponding cavity, and the conductor passes through the wool felt vertically from the through-port, so that the paint liquid flowing out of the paint tube is separated by the corresponding partition, and the paint liquid will not flow into the adjacent cavity, so that the paint liquid on each conductor can be more uniform, thereby increasing the uniformity of painting. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0020] Figure 1 Schematic diagram of the three-dimensional structure of a painting device in one embodiment of the present invention;

[0021] Figure 2 for Figure 1 Schematic diagram of the structure of the center-split paint box;

[0022] Figure 3 This is a schematic structural diagram of a painting device in one embodiment of the present invention after removing the first baffle, the second baffle, and the third baffle;

[0023] Figure 4 A side structural diagram of a painting device according to an embodiment of the present invention;

[0024] Figure 5 It is a schematic diagram of the three-dimensional structure of a painting device in another embodiment of the present invention.

[0025] Description of Figure Numbers:

[0026] 100. Painting device; 200. Conductor; 1. Paint dividing box; 11. Groove; 12. Partition plate; 111. Cavity; 112. Bottom wall; 113. Inclined wall; 1111. Paint discharge port; 1112. Diversion pipe; 1131. Pass-through port; 21. Fixing frame; 211. First clamping plate; 212. Second clamping plate; 213. Through hole; 22. Paint tube; 23. Electric valve; 221. Paint inlet; 222. Paint outlet; 3. Wool felt; 31. First felt body; 32. Second felt body; 4. First baffle; 5. Second baffle; 51. Bump; 6. Third baffle; 61. Plate body; 62. Connecting block; 7. Camera; 8. Mounting frame.

[0027] The purpose, features and advantages of the present invention will be further described with reference to the accompanying drawings and in conjunction with the embodiments. DETAILED DESCRIPTION

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0029] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the direction of the movement in a specific posture (such as the attached image). Figures 1 to 5 The relative position relationship and movement conditions between the components (as shown) are shown. If the specific posture changes, the directional indication will also change accordingly.

[0030] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of such features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0031] The present invention provides a painting device.

[0032] See also Figures 1 to 3In one embodiment of the present invention, a painting device 100 includes a paint dividing box 1, a paint supply assembly, and a wool felt 3. The paint dividing box 1 has a groove 11, and a plurality of partition plates 12 are arranged in the groove 11. The plurality of partition plates 12 are arranged at intervals along the extension direction of the groove 11. The partition plates 12 divide the groove 11 into a plurality of cavities 111 with top openings. The cavity 111 has a bottom wall 112 and an inclined wall 113. The bottom wall 112 is provided with a paint discharge port 1111. The inclined wall 113 is inclined from bottom to top in a direction away from the cavity 111, and the inclined wall 113 is provided with a pass 1131. The paint supply assembly includes a fixing frame 21, a plurality of paint tubes 22, and a plurality of electric valves 2. 3. The fixing frame 21 is installed on the paint dispensing box 1. The number of paint tubes 22 is consistent with the number of cavities 111 and corresponds one to one. The paint tubes 22 have a paint inlet 221 and a paint outlet 222 that are interconnected. The paint inlet 221 is used to connect to an external paint pump. The paint tubes 22 are installed on the fixing frame 21 and the paint outlet 222 extends into the corresponding cavity 111. An electric valve 23 is installed on each paint tube 22; the wool felt 3 is attached to the side of the inclined wall 113 away from the cavity 111 and is covered with a through-port 1131. The conductor 200 is used to pass through the wool felt 3 vertically from the corresponding through-port 1131. The through-port 1131 is set corresponding to the paint outlet 222 of the corresponding paint tube 22.

[0033] In the technical solution of the above embodiment, the height of the partition plate 12 is consistent with the depth of the groove 11. The partition plate 12 divides the groove 11 into a plurality of cavities 111. The partition plates 12 are arranged at intervals along the extension direction of the groove 11. The groove 11 extends in the front-to-back direction. The number of paint tubes 22 is consistent with the number of cavities 111. The paint tubes 22 extend into corresponding cavities 111 so that the paint provided by the paint outlet 222 of the paint tubes 22 does not flow into other cavities 111. The cavity 111 has a bottom wall 112 and an inclined wall 113. The bottom wall 112 is located below the cavity 111, and the inclined wall 113 is located on the left side of the cavity 111. The inclined wall 113 is arranged to be inclined leftward from bottom to top, so that the vertically arranged conductor 200 can be inserted into the passage 1131 opened by the inclined wall 113. The fixing frame 21 is installed above the paint dispensing box 1 and is used to fix the paint tubes 22. The paint tube 22 is tilted and tilted downward from right to left, so that after the external paint pump inputs the paint liquid into the paint inlet 221, the paint liquid can flow out from the paint discharge port 1111 under the action of gravity, wherein the conductor 200 is arranged close to the corresponding paint outlet 222, and the paint flowing out of the paint outlet 222 can cover the conductor 200. The paint outlet 222 is arranged corresponding to the through port 1131, so that the paint out of the paint tube 22 can flow through the through port 1131 to the wool felt 3 covering the through port 1131. When the wire passes through the wool felt 3, the wool felt 3 can evenly apply the paint to the surface of the conductor 200. It can be understood that the conductor 200 moves from top to bottom during the painting process. During use of the painting device 100 in this embodiment, the paint pump inputs the paint liquid into the paint tube 22 through the paint inlet 221 of the paint tube 22, and causes the paint liquid to flow out from the paint outlet 222 of the paint tube 22. The paint dividing box 1 forms a groove 11, and a plurality of partitions are provided in the groove 11. The partitions divide the groove 11 into a plurality of cavities 111. By providing paint tubes 22 and electric valves with the same number as the plurality of cavities 111, the flow rate of the corresponding paint tubes 22 is controlled by the electric valve, and the paint tubes 22 are extended into the corresponding cavities 111, so that the paint liquid flowing out of each paint tube 22 can be independently controlled and flow into the through port 1131 opened in the corresponding cavity 111. The conductor 200 passes through the wool felt 3 vertically from the through port 1131, so that the paint liquid flowing out of the paint tube 22 is separated by the corresponding partition, and the paint liquid will not flow into the adjacent cavity 111, so that the paint liquid on each conductor 200 can be more uniform, thereby increasing the uniformity of painting.

[0034] In one embodiment, please refer to Figure 3The wool felt 3 includes a first felt body 31 and a second felt body 32 spaced apart vertically. The first felt body 31 and the second felt body 32 abut against each other to form a gap through which the conductor 200 passes. In this embodiment, the wool felt 3 includes the first felt body 31 and the second felt body 32. Both the first felt body 31 and the second felt body 32 extend in the front-to-back direction. The first felt body 31 and the second felt body 32 are attached to the inclined wall 113. The first felt body 31 and the second felt body 32 abut against each other to form a gap through which the conductor 200 passes. When the conductor 200 passes through the gap, the paint liquid attached to the first felt body 31 and the second felt body 32 can be applied to the conductor 200, thereby evenly coating the conductor 200.

[0035] In one embodiment, please refer to Figure 4 The painting device 100 also includes a first baffle 4 and a second baffle 5. The first baffle 4 is arranged on the side of the first felt body 31 away from the inclined wall 113, and the first felt body 31 is clamped between the first baffle 4 and the inclined wall 113; the second baffle 5 is arranged on the side of the second felt body 32 away from the inclined wall 113, and the second felt body 32 is clamped between the second baffle 5 and the inclined wall 113. The first baffle 4 and the second baffle 5 are respectively arranged on both sides of the gap. In this embodiment, the first baffle 4 can secure the first felt 31, and the second baffle 5 can secure the second felt 32. The first felt 31 is located above the second felt 32. The first baffle 4 and the second baffle 5 can be bolted to the left side of the inclined wall 113, so that the first baffle 4 can cooperate with the inclined wall 113 to sandwich the first felt 31 between them, and the second baffle 5 can cooperate with the inclined wall 113 to sandwich the second felt 32 between them, thereby firmly securing the first and second felts 31, 32. In other embodiments, the first and second felts 31, 32 can also be secured to the inclined wall 113 by snapping or gluing, which is not limited in this embodiment. The first baffle 4 and the second baffle 5 are spaced apart, so that the first and second baffles 4, 5 are located on either side of the gap, ensuring that the conductor 200 is not blocked by the first and second baffles 4, 5 when passing through the gap.

[0036] In one embodiment, please refer to Figure 5The second baffle 5 has a plurality of protrusions 51 formed on one end facing the first baffle 4. A slot is formed between any two adjacent protrusions 51. The number of slots matches the number of openings 1131 and corresponds one-to-one. The conductors 200 are configured to vertically pass through the wool felt 3 from the corresponding openings 1131 and extend into the corresponding slots. In this embodiment, the second baffle 5 has protrusions 51 formed thereon, and a slot is formed between any two adjacent protrusions 51. When the conductors 200 extend into the corresponding slots, the protrusions 51 between any two adjacent conductors 200 can block the paint liquid on the wool felt 3, thereby increasing the uniformity of the conductors 200 during the painting process.

[0037] In one embodiment, the painting device 100 further includes a third baffle 6, which includes a plate body 61 and a connecting block 62. The connecting blocks 62 are disposed on both sides of the plate body 61 and connect the plate body 61 to the second baffle 5. The plate body 61 is inclined, and the inclination angle of the plate body 61 is consistent with the inclined wall 113. In this embodiment, the third baffle 6 mainly serves to shield the paint liquid, that is, the paint liquid dripping from the wool felt 3 can drip onto the third baffle 6. The third baffle 6 is composed of the inclined plate body 61 and the connecting block 62. The connection block 62 connects the plate body 61 and the second baffle 5, which can create a certain gap between the plate body 61 and the second baffle 5. The inclined plate body 61 allows the paint liquid dripping on the plate body 61 to flow along the inclination angle of the plate body 61, thereby serving as a drainage function.

[0038] In one embodiment, there are two sets of electric valves 23, spaced apart along the extension direction of the paint tubes 22. Within a set of electric valves 23, a paint tube 22 is spaced apart between any two adjacent electric valves 23. In this embodiment, one set of electric valves 23 is located to the left of the other set of electric valves 23. In this embodiment, sixteen paint tubes 22 can be provided, with corresponding electric valves 23. Of the sixteen paint tubes 22, one set of electric valves 23 is installed on each of the odd-numbered paint tubes 22 from front to back, and another set of electric valves 23 is installed on each of the even-numbered paint tubes 22. By spacing the two sets of electric valves 23 in the left-right direction, space is efficiently utilized and the volume of the painting apparatus 100 is reduced. In other embodiments, the number of paint tubes 22 is not fixed and may be determined by the number of accommodating chambers. This is not a limitation in this embodiment. In this embodiment, the electric valves 23 are flow valves, specifically electric ball valves.

[0039] In one embodiment, the bottom end of the paint dispensing box 1 is connected to a guide tube 1112 that communicates with the paint outlet. In this embodiment, the guide tube 1112 is used to drain the paint liquid within the cavity 111. By providing the guide tube 1112, when the paint liquid in the cavity 111 flows out of the paint outlet, it can flow out along the guide tube 1112 corresponding to the paint outlet. In this embodiment, a paint receiving box can be provided at the bottom end of the painting device 100 to realize paint liquid recovery and reduce production costs.

[0040] In one embodiment, the fixing frame 21 is provided with a plurality of through holes 213 for the paint tubes 22 to pass through. The fixing frame 21 includes a first clamping plate 211 and a second clamping plate 212 . The first clamping plate 211 is installed on the paint dispensing box 1 . The first clamping plate 211 and the second clamping plate 212 enclose the through hole 213 . In this embodiment, the through hole 213 opened by the fixing frame 21 is used for the paint tube 22 to pass through. The fixing frame 21 includes a first plywood 211 and a second plywood 212. The first plywood 211 and the second plywood 212 are formed with arc-shaped grooves on the opposite sides, so that the second plywood 212 and the second plywood 212 enclose the through hole 213. The paint tube 22 can be clamped between the first plywood 211 and the second plywood 212. During the installation process, the first plywood 211 can be installed on the paint dispensing box 1 first, and then each paint tube 22 can be placed in the arc groove opened by the first plywood 211 respectively. The second plywood 212 is pressed on the first plywood 211, and the first plywood 211 and the second plywood 212 are fixed by bolt connection. The installation is convenient and the disassembly is easy.

[0041] In one embodiment, the painting device 100 further includes a camera 7 and a control module. The camera 7 and the control module are communicatively connected. The camera 7 is used to monitor the amount of paint discharged from the paint tube 22. The control module is communicatively connected to the electric valve and is used to adjust the electric valve. In this embodiment, the painting device 100 may also be provided with the camera 7 to monitor the amount of paint applied to the conductor 200. The control module is used to receive the video signal captured by the camera 7. The control module may include existing analysis software that analyzes the paint adhesion of the conductor 200. If the paint is excessive, the analysis software provides feedback to the control module, causing the control module to reduce the flow rate of the electric valve. If the paint is insufficient, the analysis software provides feedback to the control module, causing the control module to increase the flow rate of the electric valve, thereby achieving real-time adjustment of the paint thickness of each conductor 200. Since each paint tube 22 is independently equipped with a separate electric valve 23, the flow rate of each paint tube 22 can be adjusted individually, providing high flexibility.

[0042] In one embodiment, the painting apparatus 100 further includes a mounting bracket 8, which is disposed on a side of the paint stripping box 1 facing away from the inclined wall 113. The mounting bracket 8 is configured to be mounted to an external device. In this embodiment, the mounting bracket 8 is provided with a mounting clip mounted on the right side of the paint stripping box 1. Threaded holes can be provided on the mounting bracket 8 for mounting to the external device via bolts, thereby ensuring a secure and stable installation of the painting apparatus 100 and enhancing the safety of the painting apparatus 100.

[0043] The above are merely exemplary embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structural transformations made using the contents of the present invention's description and drawings under the technical concept of the present invention, or direct / indirect application in other related technical fields, are included in the patent protection scope of the present invention.

Claims

1. A painting device, characterized in that: The painting device comprises: A paint dispensing box, the paint dispensing box having a groove, a plurality of partition plates arranged in the groove, the plurality of partition plates being spaced apart along the extension direction of the groove, the partition plates dividing the groove into a plurality of cavities with top openings, the cavities having a bottom wall and an inclined wall, the bottom wall being provided with a paint discharge port, the inclined wall being inclined from bottom to top in a direction away from the cavity, and the inclined wall being provided with a pass; A paint supply assembly, comprising a fixing frame, a plurality of paint tubes, and a plurality of electric valves. The fixing frame is mounted on the paint dispensing box. The number of the paint tubes is consistent with the number of the cavities and corresponds one to one. The paint tubes have a paint inlet and a paint outlet that are interconnected. The paint inlet is used to connect to an external paint pump. The paint tubes are mounted on the fixing frame, and the paint outlets extend into the corresponding cavities. Each paint tube is equipped with one of the electric valves. A wool felt is attached to a side of the inclined wall facing away from the cavity and covers the passage, and a conductor is used to pass through the wool felt vertically from the corresponding passage, and the passage is provided correspondingly to the paint outlet of the corresponding paint tube; The wool felt comprises a first felt body and a second felt body spaced apart vertically, wherein the first felt body and the second felt body are butted against each other to form a gap for the conductor to pass through; The painting device further includes a first baffle and a second baffle, wherein the first baffle is disposed on a side of the first felt body facing away from the inclined wall, and the first felt body is sandwiched between the first baffle and the inclined wall; the second baffle is disposed on a side of the second felt body facing away from the inclined wall, and the second felt body is sandwiched between the second baffle and the inclined wall, and the first baffle and the second baffle are respectively disposed on both sides of the gap; The painting device also includes a camera and a control module. The camera and the control module are communicatively connected. The camera is used to monitor the amount of paint output from the paint tube. The control module is communicatively connected to the electric valve and is used to adjust the electric valve.

2. The painting device according to claim 1, characterized in that A plurality of protrusions are formed on one end of the second baffle toward the first baffle, and a slot is formed between any two adjacent protrusions. The number of the slots is consistent with the number of the openings and corresponds one to one. The conductor is used to pass through the wool felt vertically from the corresponding opening and extend into the corresponding slot.

3. The painting device according to claim 2, characterized in that The painting device also includes a third baffle, which includes a plate body and a connecting block. The connecting blocks are arranged on both sides of the plate body, and the connecting blocks connect the plate body and the second baffle. The plate body is arranged at an angle and the inclination angle of the plate body is consistent with the inclined wall.

4. The painting device according to any one of claims 1 to 3, characterized in that There are two groups of electric valves, which are spaced apart along the extension direction of the paint tube. In one group of electric valves, one paint tube is spaced apart between any two adjacent electric valves.

5. The painting device according to any one of claims 1 to 3, characterized in that The bottom end of the paint dispensing box is connected with a guide pipe communicated with the paint discharge port.

6. The painting device according to any one of claims 1 to 3, characterized in that: The fixing frame is provided with a plurality of through holes for the paint tubes to pass through. The fixing frame comprises a first clamping plate and a second clamping plate. The first clamping plate is mounted on the paint dispensing box. The first clamping plate and the second clamping plate enclose the through holes.

7. The painting device according to any one of claims 1 to 3, characterized in that: The painting device further comprises a mounting frame, which is arranged on a side of the paint dispensing box away from the inclined wall, and is used for being mounted on an external device.

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