Powder coating recovery device

Abstract

The invention relates to the field of powder coating recovery, and particularly discloses a powder coating recovery device which comprises a shell, a filter bag mechanism is mounted in the shell and comprises a plurality of rotatable rotating seats, filter bags are mounted on the rotating seats, and a dust removal structure is mounted at the position, above the filter bag mechanism, in the shell and comprises a plurality of spray pipes. The spray pipes extend into the filter bags, and a cleaning mechanism is mounted between the filter bags in the shell and comprises a cleaning plate. The filter bag mechanism can be pushed to vibrate up and down through the pushing plate, and the dust cleaning capacity of the device is improved through simultaneous vibration and pulse dust cleaning. And by designing the filter bag mechanism, when the filter bag mechanism vibrates up and down, the spray pipe can more easily extend into the deep part of the filter bag, the direct contact range of the filter bag and pulse airflow is larger, and the cleaning effect is better. When the pushing plate ascends, the cleaning brush can be pushed out, and meanwhile, the filter bag rotates and is cleaned, so that dirt adhered to the outer side of the filter bag can be cleaned.

Description

Technical Field

[0001] The invention relates to the field of powder coating recovery, and in particular to a powder coating recovery device. Background Art

[0002] Powder coating is an environmentally friendly, efficient and energy-saving coating. It exists in the form of fine powder and does not use solvents, so it is also called powder coating.

[0003] In the production of powder coatings, it is inevitable that the workshop air contains powder coating dust, which will affect the health of workers in the air. Therefore, the workshop air needs to be cleaned and the powder dust in the air needs to be filtered and removed by a filter device and recycled. In the prior art, bag dust collectors are often used for recycling and filtration.

[0004] However, in the process of recycling through the bag filter, since the powder coating has a certain degree of hygroscopicity, during the recycling process, the powder coating is easy to adhere to the outside of the filter bag after encountering moisture in the air, so it is not easy to remove it from the outside of the filter bag through the existing pulse and dust removal methods. Therefore, those skilled in the art provide a powder coating recycling device to solve the problems raised in the above background technology. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides a powder coating recovery device, including a shell, an air inlet is provided at the bottom of one side of the shell, an air outlet is provided at the top of the other side of the shell, a dust exhaust port is installed at the bottom of the shell, a filter bag mechanism is installed inside the shell, the air inlet is located below the filter bag mechanism, and the air outlet is located above the filter bag mechanism. The filter bag mechanism includes a plurality of rotatable rotating seats, and filter bags are installed on the rotating seats. A cleaning structure is installed above the filter bag mechanism inside the shell, and the cleaning structure includes a plurality of nozzles, which extend into the interior of the filter bags. A cleaning mechanism is installed between the filter bags inside the shell, and the cleaning mechanism includes a cleaning plate for cleaning the filter bags.

[0006] Preferably, the dust cleaning structure includes an air bag, which is installed above one side of the shell. One side of the air bag is connected to a plurality of conveying pipes, one end of the conveying pipes extends into the interior of the shell, and the nozzle is installed below the conveying pipes.

[0007] Preferably, the filter bag mechanism includes a mounting plate, which is slidably mounted up and down inside the shell, and a rotating seat is symmetrically mounted on the mounting plate. A gear ring is provided on the outer side of the rotating seat, and a gear is rotatably connected between the rotating seats on the mounting plate. The gear is meshed with the rotating seats on both sides through the gear ring. A sprocket is provided under the gear, and a chain is provided on the outer side of the sprocket.

[0008] Preferably, the cleaning mechanism includes a support plate, the support plate is fixed on both sides of the inner wall of the shell, the support plate is fixedly connected to a fixing frame, the mounting plate is slidably connected on the fixing frame, a connecting plate is fixedly connected between the support plates, the cleaning plate is installed on the connecting plate, the cleaning plate is located between the filter bags, the cleaning plate includes a plate body, the connecting plate passes through the top of the plate body, a cleaning brush is symmetrically slidably connected inside the plate body, a pushing plate is inserted under the plate body, the upper end of the pushing plate passes through the connecting plate and is located under the mounting plate, the lower end of the pushing plate is connected to the same connecting rod, the connecting rod is connected to the driving mechanism, a plurality of arc rings 2 are provided on both sides of the pushing plate, an arc ring 1 is provided on one side of the cleaning brush and is located above the arc ring 2, a slot is provided on the upper end of the pushing plate, a spring is connected between the cleaning brushes, and the spring passes through the slot.

[0009] Preferably, the driving mechanism includes a limit frame and a motor. The limit frame is fixedly connected to the inner wall of one side of the shell, and a lifting frame is connected to the limit frame for sliding up and down inside. Transverse grooves are provided on both sides of the lifting frame, and one end of the connecting rod is located inside the transverse groove. The motor is installed on the outer wall of the shell on the same side as the limit frame. The motor passes through the shell and is fixedly connected to a rotating disk. A connecting column is connected to one side of the rotating disk at a position deviating from the center of the circle, and the connecting column is located inside the transverse groove on the other side of the lifting frame.

[0010] Preferably, the gear is fixedly connected to a toothed disk above the side of the mounting plate, a plurality of one-way bevels are provided above the toothed disk, a mounting seat is fixedly connected above the fixing frame close to the side of the mounting plate, one end of the mounting seat is fixedly connected to a limiting groove, a sliding seat is slidably connected inside the limiting groove, one side of the sliding seat is rotatably connected to a limiting plate, a gap is provided between the limiting plate and the sliding seat to form an angle, a volute spring is provided between the two ends of the limiting plate and the sliding seat, and the lower end of the limiting plate is an inclined surface.

[0011] Preferably, a baffle is provided inside the shell at one side of the air inlet, the upper end of the baffle is sealed between the shell and the shell, and a gap is provided between the lower end of the baffle and the shell.

[0012] Preferably, a spring is connected between the mounting plate and the upper end of the fixing frame, and the spring is located outside the column of the fixing frame.

[0013] Preferably, a bag cage is installed inside the rotating seat, and the filter bag is installed outside the bag cage.

[0014] Technical effects and advantages of the present invention:

[0015] 1. The present invention is designed with a push plate, which can push the filter bag mechanism to vibrate up and down. The filter bag vibrates up and down, so that the dust accumulated on the outside of the filter bag is vibrated and falls down. Vibration and pulse cleaning are carried out simultaneously to improve the cleaning capacity of the device.

[0016] 2. The present invention is designed with a filter bag mechanism that when it vibrates up and down, the nozzle can be more easily extended into the deep of the filter bag, and the nozzle has a larger impact range on the inside of the filter bag, so that during the pulse cleaning process, the filter bag is in direct contact with the pulse airflow in a larger range, and the cleaning effect is better.

[0017] 3. The present invention is designed with a push plate, which can push out the cleaning brush when the push plate rises. At the same time, the filter bag mechanism rotates the filter bag during the up and down movement. The cleaning brush extends out to clean the outside of the rotating filter bag, thereby cleaning the dirt stuck on the outside of the filter bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure provided by this application;

[0019] Figure 2 It is a schematic diagram of the structure inside the shell provided by the present application;

[0020] Figure 3 It is a structural schematic diagram of the dust cleaning mechanism provided in this application;

[0021] Figure 4 It is a structural schematic diagram of the filter bag mechanism provided by the present application;

[0022] Figure 5 It is a schematic diagram of the structure of the sprocket provided by the present application;

[0023] Figure 6 It is a structural schematic diagram of the cleaning mechanism provided by the present application;

[0024] Figure 7 It is a schematic diagram of the structure of the cleaning plate provided in this application;

[0025] Figure 8 It is a structural schematic diagram of the driving mechanism provided by the present application;

[0026] Fig. 9 It is a structural schematic diagram of the mounting base provided in this application;

[0027] Fig.10 This application provides Fig. 9 The structural diagram of A in the figure;

[0028] In the figure:

[0029] 1. Shell; 2. Air inlet; 3. Air outlet; 4. Dust outlet;

[0030] 5. Soot cleaning structure; 51. Air bag; 52. Delivery pipe; 53. Nozzle;

[0031] 6. Filter bag mechanism; 61. Mounting plate; 62. Rotating seat; 63. Filter bag;

[0032] 64, gear; 641, sprocket; 642, chain; 65, toothed disc;

[0033] 7. Driving mechanism; 71. Limiting frame; 72. Lifting frame; 73. Motor; 74. Rotating plate;

[0034] 8. Cleaning mechanism; 81. Support plate; 82. Fixing frame; 83. Connecting plate;

[0035] 84, cleaning plate; 841, plate body; 842, cleaning brush; 843, arc ring 1; 844, spring;

[0036] 85. Push plate; 851. Arc ring 2; 86. Connecting rod;

[0037] 87, mounting seat; 871, limiting groove; 872, sliding seat; 873, limiting plate. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.

[0039] See also Figures 1 to 10 In the present embodiment, a powder coating recovery device is provided, comprising a shell 1, an air inlet 2 is provided at the lower part of one side of the shell 1, an air outlet 3 is provided at the upper part of the other side of the shell 1, a dust exhaust port 4 is installed at the lower part of the shell 1, a filter bag mechanism 6 is installed inside the shell 1, the air inlet 2 is located below the filter bag mechanism 6, the air outlet 3 is located above the filter bag mechanism 6, the filter bag mechanism 6 includes a plurality of rotatable rotating seats 62, filter bags 63 are installed on the rotating seats 62, a dust cleaning structure 5 is installed above the filter bag mechanism 6 inside the shell 1, the dust cleaning structure 5 includes a plurality of nozzles 53, the nozzles 53 extend into the filter bags 63, a cleaning mechanism 8 is installed between the filter bags 63 inside the shell 1, and the cleaning mechanism 8 includes a cleaning plate 84 for cleaning the filter bags 63.

[0040] A fan is connected through the air inlet 2, and air containing powder is sucked in through the fan. After the air containing powder enters the shell 1, it contacts with multiple filter bags 63 on the filter bag mechanism 6 above. The dust in the air is blocked by the filter bags 63, so that the dust is accumulated on the outside of the filter bags 63 or falls to the bottom of the shell 1 and is discharged through the dust outlet 4. The filtered air is discharged through the air outlet 3.

[0041] When the dust on the outside of the filter bag 63 accumulates to a certain extent, gas is sprayed out through the cleaning mechanism 5, and the gas enters the filter bag 63 through the nozzle 53, causing the filter bag 63 to expand and vibrate, causing the dust on the outside of the filter bag 63 to fall, and at the same time, the cleaning plate 84 extends out of the cleaning assembly to contact the filter bag 63. After the filter bag 63 rotates and contacts the cleaning assembly, the dust adhered to the outside of the filter bag 63 is cleaned.

[0042] In this embodiment, refer to Figures 2-3 Specifically, the cleaning structure 5 includes an air bag 51, which is installed above one side of the shell 1. One side of the air bag 51 is connected to multiple conveying pipes 52, one end of the conveying pipe 52 extends into the interior of the shell 1, and the nozzle 53 is installed below the conveying pipe 52.

[0043] Gas is input through the air bag 51 , and then is ejected through the nozzle 53 after passing through the delivery pipe 52 . The nozzle 53 ejects gas, thereby causing the filter bag 63 to vibrate.

[0044] In this embodiment, refer to Figures 4-5 Specifically, the filter bag mechanism 6 includes a mounting plate 61, which is slidably installed up and down inside the shell 1. The rotating seat 62 is symmetrically rotatably installed on the mounting plate 61. A gear ring is provided on the outer side of the rotating seat 62. A gear 64 is rotatably connected between the rotating seats 62 on the mounting plate 61. The gear 64 is meshed with the rotating seats 62 on both sides through the gear ring. A sprocket 641 is provided under the gear 64, and a chain 642 is provided on the outer side of the sprocket 641.

[0045] The gear 64 rotates to drive the rotating seats 62 on both sides to rotate together, and the rotating seats 62 rotate to drive the filter bags 63 to rotate together. At the same time, the gear 64 also drives the sprocket 641 below to rotate when rotating. The sprocket 641 drives other sprockets 641 to rotate through the chain 642, so that multiple gears 64 rotate together, thereby driving multiple rotating seats 62 and filter bags 63 to rotate together.

[0046] In this embodiment, refer to Figures 6-7Specifically, the cleaning mechanism 8 includes a support plate 81, the support plate 81 is fixed on both sides of the inner wall of the shell 1, a fixing frame 82 is fixedly connected to the support plate 81, the mounting plate 61 is slidably connected to the fixing frame 82, a connecting plate 83 is fixedly connected between the support plates 81, a cleaning plate 84 is installed on the connecting plate 83, the cleaning plate 84 is located between the filter bags 63, the cleaning plate 84 includes a plate body 841, the connecting plate 83 passes through the top of the plate body 841, and a cleaning brush 8 is symmetrically slidably connected inside the plate body 841 42. A push plate 85 is inserted under the plate body 841. The upper end of the push plate 85 passes through the connecting plate 83 and is located under the mounting plate 61. The lower end of the push plate 85 is connected to the same connecting rod 86. The connecting rod 86 is connected to the driving mechanism 7. A plurality of arc rings 851 are provided on both sides of the push plate 85. An arc ring 1 843 is provided above the arc ring 2 851 on one side of the cleaning brush 842. A slot is provided on the upper end of the push plate 85. A spring 844 is connected between the cleaning brushes 842, and the spring 844 passes through the slot.

[0047] The mounting plate 61 is supported by the support plate 81, and the connecting rod 86 can be reciprocated up and down by the driving mechanism 7, and the connecting rod 86 drives the multiple push plates 85 to move up and down at the same time. The push plates 85 drive the arc rings 2 852 on both sides to move together during the rising process, and the arc rings 2 852 drive the arc rings 1 843 on both sides to move to both sides together, and the arc rings 1 843 drive the cleaning brush 842 to move out of the plate body 841, and the cleaning brush 842 contacts the outer sides of the filter bags 63 on both sides. The filter bags 63 rotate, so that the dust on both sides is removed by the cleaning brush 842.

[0048] In this embodiment, refer to Figure 2 , 8 Specifically, the driving mechanism 7 includes a limit frame 71 and a motor 73. The limit frame 71 is fixedly connected to the inner wall of one side of the shell 1. The limit frame 71 is slidably connected to a lifting frame 72 inside. Both sides of the lifting frame 72 are provided with transverse grooves. One end of the connecting rod 86 is located inside the transverse groove. The motor 73 is installed on the outer wall of the shell 1 on the same side as the limit frame 71. The motor 73 passes through the shell 1 and is fixedly connected to a rotating disk 74. A connecting column is connected to one side of the rotating disk 74 at a position deviating from the center of the circle. The connecting column is located inside the transverse groove on the other side of the lifting frame 72.

[0049] The motor 73 is started to drive the rotating disk 74 to rotate, and when the rotating disk 74 rotates, the connecting column is driven to rotate, and the connecting column drives the lifting frame 72 to move. The lifting frame 72 is restricted by the limit frame 71 and can only move up and down. The connecting column moves horizontally inside the transverse groove of the lifting frame 72, and the lifting frame 72 drives the connecting rod 86 on one side to move up and down, and the connecting rod 86 drives the push plate 85 to move up and down.

[0050] In this embodiment, refer to Fig. 9Specifically, the gear 64 is located on the upper side of the mounting plate 61 and is fixedly connected to a toothed disc 65. A plurality of one-way bevels are provided above the toothed disc 65. A mounting seat 87 is fixedly connected to the upper side of the fixing frame 82 near the side of the mounting plate 61. One end of the mounting seat 87 is fixedly connected to a limiting groove 871. A sliding seat 872 is slidably connected inside the limiting groove 871. One side of the sliding seat 872 is rotatably connected to a limiting plate 873. A gap is provided between the limiting plate 873 and the sliding seat 872 to form an angle. A volute spring is provided between the two ends of the limiting plate 873 and the sliding seat 872. The lower end of the limiting plate 873 is an inclined surface.

[0051] The toothed disc 65 rises together with the mounting plate 61, and the oblique opening above the mounting plate 61 contacts the limit plate 873, and the limit plate 873 moves to the side of the oblique opening, and the toothed disc 65 continues to drive the limit plate 873 to rise. When the limit plate 873 moves to the inside of the upper limit groove 871, it is restricted by the limit groove 871 and rotates close to the sliding seat 872, and the limit plate 873 drives the toothed disc 65 to rotate together through the oblique opening below, and the toothed disc 65 drives the gear 64 below to rotate together. After the toothed disc 65 descends, the sliding seat 872 and the limit plate 873 descend together. When the toothed disc 65 descends and separates from the limit plate 873, the limit plate 873 is reset under the action of the spiral spring and separated from the sliding seat 872 again, so as to continue to push the toothed disc 65 to rotate.

[0052] In this embodiment, refer to Figure 2 Specifically, a baffle is provided inside the shell 1 at one side of the air inlet 2 , the upper end of the baffle is sealed between the shell 1 , and a gap is provided between the lower end of the baffle and the shell 1 .

[0053] The baffle plate can block large dust particles entering through the air inlet 2 , so that the large dust particles fall directly to the dust outlet 4 below, reducing the filtering pressure of the subsequent filter bag 63 .

[0054] In this embodiment, refer to Figure 6 Specifically, a spring is connected between the mounting plate 61 and the upper end of the fixing frame 82 , and the spring is located outside the column of the fixing frame 82 .

[0055] The spring ensures that the mounting plate 61 is kept in close contact with the upper end of the pushing plate 85 during the descending process.

[0056] In this embodiment, specifically, a bag cage is installed inside the rotating seat 62, and the filter bag 63 is installed outside the bag cage. The bag cage supports the filter bag 63, so that the filter bag 63 is not easy to curl up inside the housing 1.

[0057] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A powder coating recovery device, comprising a housing (1), characterized in that: An air inlet (2) is provided at the bottom of one side of the shell (1), an air outlet (3) is provided at the top of the other side of the shell (1), a dust outlet (4) is installed at the bottom of the shell (1), a filter bag mechanism (6) is installed inside the shell (1), the air inlet (2) is located below the filter bag mechanism (6), the air outlet (3) is located above the filter bag mechanism (6), the filter bag mechanism (6) comprises a plurality of rotatable rotating seats (62), filter bags (63) are installed on the rotating seats (62), a dust cleaning structure (5) is installed above the filter bag mechanism (6) inside the shell (1), the dust cleaning structure (5) comprises a plurality of nozzles (53), the nozzles (53) extend into the filter bags (63), a cleaning mechanism (8) is installed between the filter bags (63) inside the shell (1), and the cleaning mechanism (8) comprises a cleaning plate (84) for cleaning the filter bags (63).

2. A powder coating recovery device according to claim 1, characterized in that: The dust cleaning structure (5) comprises an air bag (51), the air bag (51) being mounted above one side of the shell (1), a plurality of conveying pipes (52) being connected to one side of the air bag (51), one end of the conveying pipe (52) extending into the interior of the shell (1), and a nozzle (53) being mounted below the conveying pipe (52).

3. A powder coating recovery device according to claim 1, characterized in that: The filter bag mechanism (6) comprises a mounting plate (61), the mounting plate (61) being mounted inside the housing (1) in a manner of sliding up and down, a rotating seat (62) being mounted on the mounting plate (61) in a manner of symmetrical rotation, a toothed ring being provided on the outer side of the rotating seat (62), a gear (64) being rotatably connected between the rotating seats (62) on the mounting plate (61), the gear (64) being meshed with the rotating seats (62) on both sides via the toothed ring, a sprocket (641) being provided below the gear (64), and a chain (642) being provided on the outer side of the sprocket (641).

4. A powder coating recovery device according to claim 3, characterized in that: The cleaning mechanism (8) comprises a support plate (81), the support plate (81) being fixed on both sides of the inner wall of the housing (1), a fixing frame (82) being fixedly connected to the support plate (81), the mounting plate (61) being slidably connected to the fixing frame (82), a connecting plate (83) being fixedly connected between the support plates (81), a cleaning plate (84) being mounted on the connecting plate (83), the cleaning plate (84) being located between the filter bags (63), the cleaning plate (84) comprising a plate body (841), the connecting plate (83) passing through the top of the plate body (841), and a cleaning brush (841) being symmetrically slidably connected inside the plate body (841). 42), a push plate (85) is inserted below the plate body (841), the upper end of the push plate (85) passes through the connecting plate (83) and is located below the mounting plate (61), the lower end of the push plate (85) is connected to the same connecting rod (86), the connecting rod (86) is connected to the driving mechanism (7), a plurality of arc rings (851) are provided on both sides of the push plate (85), an arc ring (843) is provided on one side of the cleaning brush (842) and is located above the arc ring (851), a slot is provided on the upper end of the push plate (85), a spring (844) is connected between the cleaning brushes (842), and the spring (844) passes through the slot.

5. A powder coating recovery device according to claim 4, characterized in that: The driving mechanism (7) comprises a limit frame (71) and a motor (73); the limit frame (71) is fixedly connected to the inner wall of one side of the shell (1); a lifting frame (72) is slidably connected to the inside of the limit frame (71) in an up-and-down manner; transverse grooves are provided on both sides of the lifting frame (72); one end of a connecting rod (86) is located inside the transverse groove; the motor (73) is mounted on the outer wall of the shell (1) on the same side as the limit frame (71); the motor (73) passes through the shell (1) and is fixedly connected to a rotating disk (74); a connecting column is connected to a position on one side of the rotating disk (74) that deviates from the center of the circle; the connecting column is located inside the transverse groove on the other side of the lifting frame (72).

6. A powder coating recovery device according to claim 5, characterized in that: The gear (64) is located above the side of the mounting plate (61) and is fixedly connected to a toothed disc (65). A plurality of one-way oblique openings are provided above the toothed disc (65). A mounting seat (87) is fixedly connected above the fixing frame (82) near the side of the mounting plate (61). One end of the mounting seat (87) is fixedly connected to a limiting groove (871). A sliding seat (872) is slidably connected inside the limiting groove (871). One side of the sliding seat (872) is rotatably connected to a limiting plate (873). A gap is provided between the limiting plate (873) and the sliding seat (872) to form an angle. A spiral spring is provided between the two ends of the limiting plate (873) and the sliding seat (872). The lower end of the limiting plate (873) is an inclined surface.

7. A powder coating recovery device according to claim 1, characterized in that: A baffle is provided inside the shell (1) on one side of the air inlet (2); the upper end of the baffle and the shell (1) are sealed, and a gap is provided between the lower end of the baffle and the shell (1).

8. A powder coating recovery device according to claim 4, characterized in that: A spring is connected between the mounting plate (61) and the upper end of the fixing frame (82), and the spring is located outside the column of the fixing frame (82).

9. A powder coating recovery device according to claim 1, characterized in that: A bag cage is installed inside the rotating seat (62), and the filter bag (63) is installed outside the bag cage.

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