Powder recovery device for automatic coating line

Abstract

The utility model discloses a powder recycling device for an automatic coating line, which comprises a powder spraying box body, an air inlet box is mounted on one side surface of the powder spraying box body, a negative pressure box is mounted on one side, far away from the air inlet box, of the powder spraying box body, and a first air inlet window is arranged on the connecting surface of the powder spraying box body and the air inlet box. A first air inlet window is arranged on the negative pressure box, a grating structure is arranged in the first air inlet window, an air suction window is arranged on the connecting face of the negative pressure box and the negative pressure box, and a structure which is the same as that of the grating in the first air inlet window is also arranged in the air suction window. Static deposited powder and powder in suspended air are blown up, the negative pressure box on one side can suck away the powder through the air suction window, the powder recycling efficiency is improved, a connecting rod capable of cleaning the side face of the powder spraying box body is arranged in the powder spraying box body, and the powder attached to the first air inlet window and the air suction window is brushed down and recycled. And the recovery rate of equipment powder is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of powder spraying, in particular to a powder recovery device for an automatic coating line. Background Art

[0002] In the production and processing of some workpieces, the surface of the workpiece needs to be processed. Common methods include painting or powder spraying. Powder spraying can spray powder on the surface of the workpiece through equipment, and then melt it at high temperature. The powder melts and flows and solidifies on the surface of the workpiece. In the process of spraying powder, a lot of powder will be consumed and wasted, so a powder recovery device will be needed for the coating line.

[0003] After searching, for example, Chinese patent document CN212524689U discloses an automatic spray powder recovery device, which absorbs and collects the suspended powder in the box by setting a suspended powder suction pipe, and can collect the powder dropped from the bottom by setting a powder collecting inclined plate and a powder collecting trough. The vibration motor at the lower end of the powder collecting inclined plate can vibrate the powder into the powder collecting trough, but there are still the following defects:

[0004] When the above-mentioned powder recovery device for the automated coating line is in use, powder will accumulate. It is difficult to completely recover the powder by relying solely on the suction pipe. In addition, the powder will adhere to the inner wall of the box, making it difficult to clean and recover it in time, resulting in the equipment's powder recovery efficiency being insufficient. Utility Model Content

[0005] The purpose of the utility model is to provide a powder recovery device for an automated coating line to solve the problem that the powder recovery device for an automated coating line proposed in the above-mentioned background technology will accumulate powder, and it is difficult to completely recover the powder by relying solely on a suction pipe, and the powder will also adhere to the inner wall of the box, making it difficult to clean and recover it in time, resulting in the problem that the equipment's powder recovery efficiency is not high enough.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a powder recovery device for an automated coating line, comprising a powder spraying box, an air inlet box is installed on one side of the powder spraying box, a negative pressure box is installed on the side of the powder spraying box away from the air inlet box, a first air inlet window is provided on the connecting surface between the powder spraying box and the air inlet box, a grille structure is provided inside the first air inlet window, an air suction window is provided on the connecting surface between the negative pressure box and the negative pressure box, and the inside of the air suction window is also provided with the same structure as the grille inside the first air inlet window;

[0007] A connecting pipe is connected to the top of the negative pressure box, a powder cyclone separator is connected to the end of the connecting pipe away from the negative pressure box, and an air pump is installed on the connecting pipe, a filter is provided on the side of the powder cyclone separator away from the powder spraying box, and the filter and the powder cyclone separator are connected by a connecting pipe, a collecting trough is provided at the bottom of the powder spraying box, a support frame with a rectangular frame structure is provided on the top of the collecting trough, and a support net is provided inside the support frame.

[0008] Preferably, a sliding rod with a strip structure is provided inside the powder spray box, and the sliding rod is slidably connected to the top of the powder spray box. Two groups of connecting rods are vertically fixed at both ends of the sliding rod close to the first air inlet window and the air suction window, and cleaning brushes are provided on one side surface of the two groups of connecting rods close to the first air inlet window and the air suction window.

[0009] Preferably, a second air inlet window is provided on a side of the collecting trough close to the air inlet box, and a side of the collecting trough close to the negative pressure box is covered by an air suction window.

[0010] Preferably, two sets of guide rails are fixed on both sides of the support frame close to the first air inlet window and the air suction window, and the guide rails are fixedly connected to the inner wall of the powder spraying box.

[0011] Preferably, a first fan and a second fan are installed on a side of the air inlet box away from the powder spraying box.

[0012] Preferably, two groups of threaded hole sliders are fixed at the connection between the top surface of the slide rod and the powder spray box, and a threaded hole is opened in the middle of the threaded hole slider, and a sliding groove is opened at the connection between the powder spray box and the threaded hole slider, and the sliding groove and the threaded hole slider are slidably connected.

[0013] Preferably, a guide pulley is installed at the bottom end of the connecting rod away from the sliding rod, and the bottom of the guide pulley is connected to the guide rail.

[0014] Preferably, the inner threaded hole of the threaded hole slider is connected with a threaded rod, and one end of the threaded rod is connected with a motor.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] By setting up an air inlet box that can blow the powder to move, the statically deposited powder and the powder in the suspended air are blown up, making it easier for the negative pressure box on one side to suck the powder away through the suction window, thereby improving the efficiency of powder recovery. There is a connecting rod inside that can clean the side of the powder spraying box, and the powder attached to the first air inlet window and the suction window can be brushed off and recovered, thereby improving the powder recovery rate of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the powder spray box in the utility model;

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the powder spray box in the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the lower sliding rod and the connecting rod in the utility model;

[0021] Figure 5 This is a schematic diagram of the cross-sectional structure of the lower connecting rod and the powder spraying box in the utility model;

[0022] Figure 6 It is a schematic diagram of the side section structure of the lower threaded hole slider in the utility model.

[0023] In the figure: 1. powder spray box; 101. support net; 102. slide; 103. collection tank; 104. support frame; 105. guide rail; 2. air inlet box; 201. first air inlet window; 202. first fan; 203. second fan; 204. second air inlet window; 3. negative pressure box; 301. suction window; 4. powder cyclone separator; 5. connecting pipe; 6. air pump; 7. filter; 8. slide rod; 801. connecting rod; 802. guide pulley; 803. cleaning brush; 804. threaded hole slider; 805. threaded rod; 806. motor. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0025] See also Figure 1-6The utility model provides a powder recovery device for an automated coating line, comprising a powder spraying box 1, a support net 101, a slide 102, a collecting trough 103, a support frame 104, a guide rail 105, an air inlet box 2, a first air inlet window 201, a first fan 202, a second fan 203, a second air inlet window 204, a negative pressure box 3, an air suction window 301, a powder cyclone separator 4, a connecting pipe 5, an air pump 6, a filter 7, a sliding rod 8, a connecting rod 801, a guide pulley 802, a cleaning brush 803, a threaded hole slider 804, a threaded rod 805, and a motor 806. An air inlet box 2 is installed on one side of the powder spraying box 1. The interior of the powder spray box 1 is provided with a sliding rod 8 of a strip structure, and the sliding rod 8 is slidably connected to the top of the powder spray box 1. Two groups of connecting rods 801 are vertically fixed at both ends of the sliding rod 8 near the first air inlet window 201 and the air suction window 301. A cleaning brush 803 is provided on one side of the two groups of connecting rods 801 near the first air inlet window 201 and the air suction window 301. The movement of the sliding rod 8 drives the connecting rods 801 at both ends to move, and the cleaning brush 803 on one side of the connecting rod 801 can slide over the first air inlet window 201 and the air suction window 301 to clean the powder adhered to the first air inlet window 201 and the air suction window 301, thereby avoiding the first air inlet window 201 and the air suction window 301 from being contaminated. The powder accumulation on the air inlet window 201 and the air suction window 301 affects the recycling effect. Two sets of threaded hole sliders 804 are fixed at the connection between the top surface of the slide bar 8 and the powder spray box 1, and a threaded hole is provided in the middle of the threaded hole slider 804. A slide groove 102 is provided at the connection between the powder spray box 1 and the threaded hole slider 804, and the slide groove 102 and the threaded hole slider 804 are slidably connected. Through the sliding of the slide groove 102 and the threaded hole slider 804, the movement of the slide bar 8 can be more stable, avoiding the two ends from being skewed, and the cleaning effect of the cleaning brush 803 driven by the slide bar 8 will be better. A guide pulley 802 is installed at the bottom of the connecting rod 801 away from the slide bar 8. The bottom of the guide pulley 802 is connected to the guide rail 105. The guide pulley 802 arranged at the bottom can support the bottom of the connecting rod 801. The threaded hole inside the threaded hole slider 804 is connected to the threaded rod 805. One end of the threaded rod 805 is connected to the motor 806. By starting the motor 806, the motor 806 drives the threaded rod 805 to rotate, and then the threaded hole slider 804 slides inside the slide groove 102 through the rotation of the threaded rod 805, thereby driving the slide rod 8 and the connecting rods 801 at both ends of the slide rod 8 to move, so as to clean the powder on the first air inlet window 201 and the air suction window 301.

[0026] A first fan 202 and a second fan 203 are installed on the side of the air inlet box 2 away from the powder spraying box body 1. Through the first fan 202 and the second fan 203 installed on the air inlet box 2, the first fan 202 and the second fan 203 can provide an air flow to the inside of the air inlet box 2, and finally the air flow can be blown into the inside of the powder spraying box body 1 from the first air inlet window 201 and the second air inlet window 204 on the side of the powder spraying box body 1, and the powder inside the powder spraying box body 1 is blown to the air suction window 301, so that the air suction window 301 can suck away the air with a lot of powder and recycle the powder. A negative pressure box 3 is installed on the side of the powder spraying box 1 away from the air inlet box 2, and a first air inlet window 201 is provided on the connecting surface of the powder spraying box body 1 and the air inlet box 2, and a grille structure is arranged inside the first air inlet window 201, and an air suction window 301 is provided on the connecting surface of the negative pressure box 3 and the negative pressure box 3, and the inside of the air suction window 301 is also provided with a structure same as the grille inside the first air inlet window 201;

[0027] The top of the negative pressure box 3 is connected with a connecting pipe 5, and the end of the connecting pipe 5 away from the negative pressure box 3 is connected with a powder cyclone separator 4, and an air pump 6 is installed on the connecting pipe 5. A filter 7 is arranged on the side of the powder cyclone separator 4 away from the powder spray box 1, and the filter 7 and the powder cyclone separator 4 are connected through the connecting pipe 5. A collecting tank 103 is provided at the bottom of the powder spray box 1, and a second air inlet window 204 is provided on the side of the collecting tank 103 close to the air inlet box 2. The side of the collecting tank 103 close to the negative pressure box 3 is surrounded by an air suction window 301. Covering, so that the powder deposited in the collecting tank 103 can be recovered, a support frame 104 with a rectangular frame structure is arranged on the top of the collecting tank 103, two sets of guide rails 105 are fixed on both sides of the support frame 104 close to the first air inlet window 201 and the air suction window 301, and the guide rails 105 are fixedly connected to the inner wall of the powder spraying box 1, the two sets of guide rails 105 can allow the connecting rod 801 to obtain sliding support through the guide pulley 802, so that the movement of the connecting rod 801 is more stable, and a support net 101 is arranged inside the support frame 104.

[0028] When the embodiment of the present application is in use, by setting an air inlet box 2 with a first fan 202 and a second fan 203, when the first fan 202 and the second fan 203 are working, the external gas can be driven into the interior of the air inlet box 2, and finally the powder inside the powder spraying box 1 is blown through the first air inlet window 201, and the powder is blown to the air suction window 301, so that the air suction window 301 can suck the powder away, so that the efficiency of powder recovery can be improved. After spraying the powder, some powder will also be sucked out from the support frame 1. 04 falls into the collecting tank 103 below, and the side of the collecting tank 103 is also provided with a second air inlet window 204, and then cooperates with the air suction window 301 to recover the powder accumulated in the collecting tank 103. At the same time, the motor 806 can be started, and the motor 806 will drive the threaded rod 805 to rotate. When the threaded rod 805 rotates, it can drive the threaded hole slider 804 at the top of the slide rod 8 to move inside the slide groove 102, and finally drive the connecting rod 801 to start horizontal movement. When the connecting rod 801 moves, the connecting rods 801 at both ends can clean the grille structure of the first air inlet window 201 and the air suction window 301 through the cleaning brush 803 to avoid powder residue and improve the powder recovery effect, and the bottom of the connecting rod 801 can be moved on the guide rail 105 by the guide pulley 802, so that the movement of the cleaned connecting rod 801 is more stable. In this way, a powder recovery device for an automated coating line is completed. It should be noted that the utility model is a powder recovery device for an automated coating line. The components are all universal standard parts or components known to those skilled in the art. The structure and principle of the device can be known by those skilled in the art through technical manuals or through conventional experimental methods. In the idle part of the device, all the above-mentioned electrical components, which refer to power elements, electrical components, and adapted monitoring computers and power supplies, are connected through wires. The specific connection means should refer to the above-mentioned working principle. The electrical connection is completed in the working order of each electrical component. The detailed connection means are well known in the art.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A powder recovery device for an automated coating line, comprising a powder spraying box (1), characterized in that: An air inlet box (2) is installed on one side of the powder spray box (1), a negative pressure box (3) is installed on the side of the powder spray box (1) away from the air inlet box (2), a first air inlet window (201) is provided on the connecting surface between the powder spray box (1) and the air inlet box (2), a grille structure is provided inside the first air inlet window (201), an air suction window (301) is provided on the connecting surface between the negative pressure box (3) and the negative pressure box (3), and the inside of the air suction window (301) is also provided with a structure similar to the grille structure inside the first air inlet window (201); The top of the negative pressure box (3) is connected to a connecting pipe (5), one end of the connecting pipe (5) away from the negative pressure box (3) is connected to a powder cyclone separator (4), and an air pump (6) is installed on the connecting pipe (5). A filter (7) is arranged on the side of the powder cyclone separator (4) away from the powder spray box (1), and the filter (7) and the powder cyclone separator (4) are connected via the connecting pipe (5). A collecting trough (103) is provided at the bottom of the powder spray box (1), a supporting frame (104) of a rectangular frame structure is arranged on the top of the collecting trough (103), and a supporting net (101) is arranged inside the supporting frame (104).

2. The powder recovery device for an automated coating line according to claim 1, characterized in that: A strip-shaped sliding rod (8) is arranged inside the powder spray box (1), and the sliding rod (8) is slidably connected to the top of the powder spray box (1). Two groups of connecting rods (801) are vertically fixed at both ends of the sliding rod (8) close to the first air inlet window (201) and the air suction window (301). Cleaning brushes (803) are arranged on one side surface of the two groups of connecting rods (801) close to the first air inlet window (201) and the air suction window (301).

3. The powder recovery device for an automated coating line according to claim 1, characterized in that: A second air inlet window (204) is provided on one side of the collecting trough (103) close to the air inlet box (2), and a side of the collecting trough (103) close to the negative pressure box (3) is covered by an air suction window (301).

4. The powder recovery device for an automated coating line according to claim 1, characterized in that: Two sets of guide rails (105) are fixed on both sides of the support frame (104) close to the first air inlet window (201) and the air suction window (301), and the guide rails (105) are fixedly connected to the inner wall of the powder spray box (1).

5. The powder recovery device for an automated coating line according to claim 1, characterized in that: A first fan (202) and a second fan (203) are installed on the side of the air inlet box (2) away from the powder spraying box (1).

6. The powder recovery device for an automated coating line according to claim 2, characterized in that: Two groups of threaded hole sliders (804) are fixed at the connection between the top surface of the slide rod (8) and the powder spray box (1), and a threaded hole is opened in the middle of the threaded hole slider (804). A slide groove (102) is opened at the connection between the powder spray box (1) and the threaded hole slider (804), and the slide groove (102) and the threaded hole slider (804) are slidably connected.

7. The powder recovery device for an automated coating line according to claim 2, characterized in that: A guide pulley (802) is installed at the bottom end of the connecting rod (801) away from the sliding rod (8), and the bottom of the guide pulley (802) is connected to the guide rail (105).

8. The powder recovery device for an automated coating line according to claim 6, characterized in that: The threaded hole inside the threaded hole slider (804) is connected to a threaded rod (805), and one end of the threaded rod (805) is connected to a motor (806).

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