Electrostatic powder spraying equipment for surface treatment of switch cabinet body

Abstract

The utility model relates to the technical field of switch cabinet boxes, and discloses electrostatic powder spraying equipment for surface treatment of a switch cabinet box, which comprises a shell, and a flow shell is fixedly connected outside the shell; through rotation of the movable rod, the sliding block slides on the inner side of the flow shell to control the size of the first outlet, and then the coating flow of the electrostatic spraying gun on the surface of the switch cabinet body is controlled. Therefore, a user can conveniently guide the user to control the number of the conducting rings by knowing the position of the sliding block and the flow in the flow shell, the spray gun can adjust the action number of the conducting rings along with the flow of the coating, and it is guaranteed that negative charges carried by the coating are more uniform; the spiral mixing plate enables the coating to enter the spraying cavity to be mixed more evenly, the flashboard slides on the inner side of the groove to control the number of the outlet holes, and the spraying range can be adjusted by the spraying gun according to the electrostatic spraying area of the switch cabinet.

Description

Technical Field

[0001] The utility model relates to the technical field of switch cabinet box body processing, in particular to electrostatic powder spraying equipment for surface treatment of the switch cabinet box body. Background Art

[0002] The switch cabinet is an electrical equipment. The external line of the switch cabinet first enters the main control switch in the cabinet, and then enters the sub-control switch. Each branch is set according to its needs. Such as instruments, automatic control, motor magnetic switches, various AC contactors, etc. Some also have high-voltage and low-voltage switch cabinets, with high-voltage busbars, such as power plants, etc. Some are also equipped with low-frequency load shedding to protect the main equipment. The switch cabinet is used in a wide range of environments, so it is necessary to apply an electrostatic powder spraying protective layer to the cabinet surface. However, the current spray gun components used for electrostatic powder spraying of switch cabinets can only simply apply negative charges to the conveying powder. With the airflow, the powder is sprayed on the surface of the switch cabinet under the action of the electrostatic field between the switch cabinet and the spray gun. The coating spraying process cannot adjust the flow rate of the coating and the amount of negative charge carried by the coating as the coating flow increases. It is also impossible to adjust the spraying range according to the spraying area of ​​the spraying switch cabinet and ensure that the spray material is mixed evenly before spraying. Utility Model Content

[0003] In order to solve the above-mentioned problem that the spray gun components of the current switch cabinet electrostatic powder spraying can only simply apply negative charge to the conveying powder, and the powder is sprayed on the surface of the switch cabinet under the action of the electrostatic field between the switch cabinet and the spray gun as the air flow passes, the paint spraying process cannot adjust the flow rate of the paint and the amount of negative charge carried by the paint as the paint flow rate increases, nor can the spraying range be adjusted according to the spraying area of ​​the spray switch cabinet and the spray material be mixed evenly before spraying, the above purposes of adjustable spray gun flow, adjustable negative charge carried by the paint, uniform paint mixing and adjustable spraying range are achieved.

[0004] The utility model is implemented through the following technical scheme: an electrostatic powder spraying device for surface treatment of a switch cabinet box body comprises a shell, the outside of the shell is fixedly connected with a flow shell, the inside of the flow shell is movably connected with a sliding block, the inside of the flow shell is movably connected with an adjusting component for driving the sliding block to slide, the outside of the flow shell is fixedly connected with a conductive joint, the surface of the flow shell is provided with a first outlet, the surface of the shell is provided with a first inlet, the inside of the shell is fixedly connected with an insulating sleeve, the inside of the insulating sleeve is fixedly connected with a conductive ring, the surface of the shell is provided with a second outlet, and the outer surface of the shell is fixedly connected with a conductive joint. A display switch is connected, the outside of the shell is fixedly connected to a spray chamber, the surface of the spray chamber is provided with a second inlet, the inside of the spray chamber is fixedly connected to a mixing plate, the surface of the spray chamber is provided with an outlet hole, the inside of the spray chamber is movably connected to a shielding component for controlling the number of outlet holes, the adjusting component includes a copper sleeve, a moving rod, and an indicator ring, the inside of the flow shell is fixedly connected to a copper sleeve, the inside of the copper sleeve is rotatably connected to a moving rod, the outside of the flow shell is fixedly connected to an indicator ring, the shielding component includes a groove and a gate plate, the surface of the spray chamber is provided with a groove, and the inside of the spray chamber is slidably connected to a gate plate.

[0005] Furthermore, the shell and the flow shell are located on the same center line, the sliding block is slidingly and sealingly connected to the inner side of the flow shell, and the sliding block is symmetrically arranged inside the flow shell.

[0006] Furthermore, the copper sleeve is connected to the moving rod through a threaded transmission, the indicator ring corresponds to the position of the moving rod, a digital mark is provided on the surface of the moving rod, the digital mark corresponds one-to-one to the number of conductive rings, and the moving rod is rotatably connected to the sliding block.

[0007] Furthermore, the conductive joint is connected to an external hose, the conductive joint is communicated with the interior of the flow shell, the positions of the first outlet and the first inlet correspond to each other, the positions of the insulating sleeve and the shell correspond to each other and the specifications match each other, and the number of the conductive rings corresponds one-to-one to the control position of the display switch.

[0008] Furthermore, the spray cavity and the center line of the shell overlap each other, the second outlet and the second inlet correspond in position and have matching specifications, the second inlet and the mixing plate correspond in position and have matching specifications, and the mixing plate adopts a spiral structure.

[0009] Furthermore, the outlet holes are evenly distributed on the surface of the spray cavity, the grooves correspond to the positions of the outlet holes and have matching specifications, and the gate plate is slidably limitedly connected to the grooves.

[0010] The utility model provides an electrostatic powder spraying device for surface treatment of a switch cabinet body. It has the following beneficial effects:

[0011] The electrostatic powder spraying equipment for the surface treatment of the switch cabinet box controls the size of the first outlet by rotating the moving rod so that the sliding block slides inside the flow shell, thereby controlling the paint flow of the electrostatic spray gun on the surface of the switch cabinet. The rotation of the moving rod causes the digital mark and the indicator ring to cooperate to display the length of the moving rod rotating into the inside of the flow shell, so that the user can control the number of conductive rings according to the position of the sliding block and the flow size inside the flow shell, so that the spray gun can adjust the number of conductive ring movements according to the flow rate of the paint, ensuring that the negative charge carried by the paint is more uniform, the spiral-shaped mixing plate makes the paint entering the spray cavity more evenly mixed, and the gate slides on the inside of the groove to control the number of outlets, so that the spray gun can adjust the spray range size according to the electrostatic spraying area of ​​the switch cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the overall appearance structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the internal cross-sectional structure of the utility model;

[0014] Figure 3 For this utility model Figure 2 A schematic diagram of the structure enlargement in the middle;

[0015] Figure 4 For this utility model Figure 2 A magnified schematic diagram of the structure at B in the middle;

[0016] Figure 5 For this utility model Figure 2 A magnified schematic diagram of the structure at C in the middle;

[0017] Figure 6 For this utility model Figure 2 A magnified schematic diagram of the structure at D in the middle;

[0018] Figure 7 For this utility model Figure 2 Enlarged schematic diagram of the structure at point E in the middle.

[0019] In the figure: 1. shell; 2. flow shell; 3. sliding block; 4. adjustment assembly; 41. copper sleeve; 42. moving rod; 43. indicator ring; 5. conductor joint; 6. first outlet; 7. first inlet; 8. insulating sleeve; 9. conductive ring; 10. second outlet; 11. display switch; 12. spray chamber; 13. second inlet; 14. mixing plate; 15. outlet; 16. shielding assembly; 161. groove; 162. gate. DETAILED DESCRIPTION

[0020] The embodiment of the electrostatic powder spraying equipment for the surface treatment of the switch cabinet box is as follows: Example

[0021] See also Figure 1 - Figure 7 , an electrostatic powder spraying device for surface treatment of a switch cabinet box, comprising a shell 1, a flow shell 2 is fixedly connected to the outside of the shell 1, a sliding block 3 is movably connected to the inside of the flow shell 2, the shell 1 and the flow shell 2 are located on the same center line, the sliding block 3 is slidingly and sealingly connected to the inner side of the flow shell 2, the sliding block 3 is symmetrically arranged inside the flow shell 2, the inner side of the flow shell 2 is movably connected to an adjustment component 4 that drives the sliding block 3 to slide, a conductive joint 5 is fixedly connected to the outside of the flow shell 2, a first outlet 6 is provided on the surface of the flow shell 2, a first inlet 7 is provided on the surface of the shell 1, an insulating sleeve 8 is fixedly connected to the inside of the shell 1, a conductive ring 9 is fixedly connected to the inside of the insulating sleeve 8, a second outlet 10 is provided on the surface of the shell 1, a display switch 11 is fixedly connected to the outside of the shell 1, and the shell The outside of the body 1 is fixedly connected to a spray cavity body 12, a second inlet 13 is provided on the surface of the spray cavity body 12, a mixing plate 14 is fixedly connected to the inside of the spray cavity body 12, an outlet hole 15 is provided on the surface of the spray cavity body 12, and a shielding component 16 for controlling the number of outlet holes 15 is movably connected to the inside of the spray cavity body 12. The adjustment component 4 includes a copper sleeve 41, a moving rod 42, and an indicator ring 43. The inside of the flow shell 2 is fixedly connected to the copper sleeve 41, the inside of the copper sleeve 41 is rotatably connected to the moving rod 42, and the outside of the flow shell 2 is fixedly connected to the indicator ring 43. The copper sleeve 41 and the moving rod 42 are connected by threaded transmission. The indicator ring 43 corresponds to the position of the moving rod 42. The surface of the moving rod 42 is provided with a digital mark, and the digital mark corresponds to the number of conductive rings 9 one by one. The moving rod 42 is rotatably connected to the sliding block 3.

[0022] The shielding assembly 16 includes a groove 161 and a gate 162. The surface of the spray cavity 12 is provided with a groove 161. The inner side of the spray cavity 12 is slidably connected with the gate 162. The guide joint 5 is connected to the external hose, and the guide joint 5 is communicated with the inside of the flow shell 2. The position of the first outlet 6 corresponds to the position of the first inlet 7. The insulating sleeve 8 corresponds to the position of the shell 1 and the specifications match. The number of conductive rings 9 corresponds to the control gear of the display switch 11 one by one. The center lines of the spray cavity 12 and the shell 1 coincide with each other. The position of the second outlet 10 corresponds to the position of the second inlet 13 and the specifications match. The second inlet 13 corresponds to the position of the mixing plate 14 and the specifications match. The mixing plate 14 adopts a spiral structure. The outlet holes 15 are evenly distributed on the surface of the spray cavity 12. The groove 161 corresponds to the position of the outlet holes 15 and the specifications match. The gate 162 is connected to the groove 161 by sliding limit.

[0023] By rotating the movable rod 42, the sliding block 3 slides inside the flow shell 2 to control the size of the first outlet 6, thereby controlling the paint flow of the electrostatic spray gun on the surface of the switch cabinet. The movable rod 42 rotates so that the digital mark and the indicator ring 43 cooperate to display the length of the movable rod 42 rotating into the internal part of the flow shell 2, so that the user can control the number of conductive rings 9 based on the understanding of the position of the sliding block 3 and the flow size inside the flow shell 2, so that the spray gun can adjust the number of movements of the conductive ring 9 according to the flow rate of the paint, ensuring that the negative charge carried by the paint is more uniform, and the spiral-shaped mixing plate 14 makes the paint entering the spray cavity 12 more evenly mixed, and the gate 162 slides on the inside of the groove 161 to control the number of outlets 15, so that the spray gun can adjust the spray range size according to the electrostatic spraying area of ​​the switch cabinet.

[0024] Working principle: The user manually operates the gate plate 162 to slide inside the groove 161 according to the specifications of the spraying part of the switch cabinet box. The gate plate 162 slides to adjust the number of outlet holes 15, thereby adjusting the spraying range of the spray chamber 12. The user manually rotates the movable rod 42 to rotate inside the copper sleeve 41. The movable rod 42 rotates to drive the sliding block 3 to rotate inside the flow shell 2. The sliding block 3 slides to adjust the size of the first outlet 6 to adjust the flow size of the paint. The rotation of the movable rod 42 drives the digital mark to change and change the digital mark corresponding to the indicator ring 43. The user operates the display switch 11 according to the numerical value of the digital mark corresponding to the indicator ring 43 to control the number of conductive rings 9 that are energized and running, so as to ensure The amount of negative charge carried on the surface of the paint is uniform. During construction, the paint enters the inside of the conductive joint 5 along with the air flow through the external hose, the paint inside the conductive joint 5 enters the inside of the flow shell 2, and the paint inside the flow shell 2 flows into the inside of the shell 1 through the first outlet 6 and the first inlet 7. The conductive ring 9 inside the shell 1 is energized to generate corona discharge, and negative charges are generated around the conductive ring 9. The flowing paint contacts the negative charges, and the negative charges adhere to the surface of the paint and enter the inside of the spray cavity 12 through the second outlet 10 and the second inlet 13. The paint contacts the mixing plate 14 and spirally moves to be fully mixed, and flows into the inside of the outlet hole 15. The negatively charged paint inside the outlet hole 15 moves under the action of the electrostatic field and is sprayed on the surface of the switch cabinet.

Claims

1. An electrostatic powder spraying device for surface treatment of a switch cabinet body, comprising a housing (1), characterized in that: The outer part of the shell (1) is fixedly connected to a flow shell (2), the inner part of the flow shell (2) is movably connected to a sliding block (3), the inner side of the flow shell (2) is movably connected to an adjusting component (4) for driving the sliding block (3) to slide, the outer part of the flow shell (2) is fixedly connected to a conducting joint (5), the surface of the flow shell (2) is provided with a first outlet (6), the surface of the shell (1) is provided with a first inlet (7), the inner part of the shell (1) is fixedly connected to an insulating sleeve (8), the inner part of the insulating sleeve (8) is fixedly connected to A conductive ring (9), a second outlet (10) is provided on the surface of the shell (1), a display switch (11) is fixedly connected to the outer surface of the shell (1), a spray cavity (12) is fixedly connected to the outside of the shell (1), a second inlet (13) is provided on the surface of the spray cavity (12), a mixing plate (14) is fixedly connected to the inside of the spray cavity (12), an outlet hole (15) is provided on the surface of the spray cavity (12), and a shielding component (16) for controlling the number of outlet holes (15) is movably connected to the inside of the spray cavity (12).

2. The electrostatic powder spraying equipment for surface treatment of switch cabinet body according to claim 1 is characterized in that: The regulating assembly (4) comprises a copper sleeve (41), a movable rod (42), and an indicator ring (43); the inner side of the flow housing (2) is fixedly connected to the copper sleeve (41); the inner side of the copper sleeve (41) is rotatably connected to the movable rod (42); the outer side of the flow housing (2) is fixedly connected to the indicator ring (43); the shielding assembly (16) comprises a groove (161) and a gate plate (162); the surface of the spray cavity (12) is provided with the groove (161); the inner side of the spray cavity (12) is slidably connected to the gate plate (162).

3. The electrostatic powder spraying equipment for surface treatment of switch cabinet body according to claim 1 is characterized in that: The housing (1) and the flow shell (2) are located on the same center line, the sliding block (3) is slidingly and sealingly connected to the inner side of the flow shell (2), and the sliding block (3) is symmetrically arranged inside the flow shell (2).

4. The electrostatic powder spraying equipment for surface treatment of switch cabinet body according to claim 2, characterized in that: The copper sleeve (41) is connected to the movable rod (42) through a threaded transmission, the indicator ring (43) corresponds to the position of the movable rod (42), a digital mark is provided on the surface of the movable rod (42), and the digital mark corresponds to the number of the conductive rings (9) one by one, and the movable rod (42) is rotatably connected to the sliding block (3).

5. The electrostatic powder spraying equipment for surface treatment of switch cabinet body according to claim 1 is characterized in that: The conductive joint (5) is connected to an external hose, the conductive joint (5) is communicated with the interior of the flow shell (2), the first outlet (6) corresponds to the first inlet (7) in position, the insulating sleeve (8) corresponds to the shell (1) in position and the specifications match, and the number of the conductive rings (9) corresponds to the control gear position of the display switch (11).

6. The electrostatic powder spraying equipment for surface treatment of switch cabinet body according to claim 1, characterized in that: The center lines of the spray cavity (12) and the shell (1) coincide with each other, the positions of the second outlet (10) and the second inlet (13) correspond and their specifications match, the positions of the second inlet (13) and the mixing plate (14) correspond and their specifications match, and the mixing plate (14) adopts a spiral structure.

7. The electrostatic powder spraying equipment for surface treatment of switch cabinet body according to claim 2, characterized in that: The outlet holes (15) are evenly distributed on the surface of the spray cavity (12); the groove (161) corresponds to the position of the outlet holes (15) and has matching specifications; the gate plate (162) is slidably limitedly connected to the groove (161).

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