Explosion-proof limit switch shell surface spraying device

Abstract

The utility model discloses an explosion-proof limit switch shell surface spraying device which solves the problem that an existing spraying device is low in spraying efficiency and comprises a spraying box, a spraying feeder is fixedly arranged in the middle of the top end of the spraying box, and a circulating conveying mechanism is arranged at the top end in the spraying box in a penetrating mode. A plurality of hoisting mechanisms are arranged at the bottom end of the circulating conveying mechanism, a spraying mechanism is arranged in the middle of the interior of the spraying box, the circulating conveying mechanism is composed of an annular guide rail, a first belt wheel, a second belt wheel, a synchronous belt and a first servo motor, and supporting plates are arranged at the two ends of the top of the spraying box correspondingly. The first belt wheel and the second belt wheel are rotationally connected to the bottom ends of the two supporting plates correspondingly, the first servo motor is connected to the top end of one supporting plate, and the synchronous belt is connected between the first belt wheel and the second belt wheel; by means of the spraying device, the shell can be hoisted and conveyed, continuous spraying and comprehensive spraying are achieved, and the spraying efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of spraying devices, in particular to a surface spraying device for an explosion-proof limit switch shell. Background Art

[0002] When processing explosion-proof limit switches, it is generally necessary to spray the surface of their shells to improve the overall performance and aesthetics of the shells. The shells of explosion-proof limit switches are usually rectangular structures, and a threaded mounting hole is provided at one end of the shells. When spraying, the existing spraying device usually conveys the shells through a conveyor belt, and then the shells need to be manually turned over multiple times during the spraying process to achieve comprehensive spraying. This method not only has low work efficiency and cannot achieve continuous spraying operations, but also increases work intensity and has poor use effect. Therefore, the present application proposes a surface spraying device for the shell of an explosion-proof limit switch. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an explosion-proof limit switch housing surface spraying device, which effectively solves the problem of low spraying efficiency of the existing spraying device.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a surface spraying device for an explosion-proof limit switch housing, comprising a spray box, a spray feeder is fixedly arranged in the middle position of the top of the spray box, a circulating conveying mechanism is interspersed at the top of the inside of the spray box, a plurality of lifting mechanisms are arranged at the bottom end of the circulating conveying mechanism, a spray mechanism connected to the spray feeder is arranged in the middle position inside the spray box, the circulating conveying mechanism is composed of an annular guide rail, a first pulley, a second pulley, a synchronous belt and a servo motor, the annular guide rail is fixedly connected to the spray box through a plurality of oblique support beams, support plates are fixedly arranged at both ends of the top of the spray box, the first pulley and the second pulley are respectively rotatably connected to the bottom ends of the two support plates, the servo motor is fixedly connected to the top of one of the support plates and connected to the first pulley, the synchronous belt is connected between the first pulley and the second pulley and fixedly connected to the lifting mechanism.

[0005] Preferably, a glass panel is provided on the front of the spray box, and inlets and outlets are provided at both ends of the spray box.

[0006] Preferably, the lifting mechanism consists of a sliding sleeve, a lifting arm, a support plate, a driving assembly, a mounting sleeve and a lifting connection assembly. The sliding sleeve is slidably connected to the top of the annular guide rail and fixedly connected to the synchronous belt. The lifting arm is fixedly connected to the bottom end of the sliding sleeve. The support plate is fixedly connected to the bottom end of the lifting arm. The mounting sleeve is rotatably connected to the bottom end of the support plate. The driving assembly is connected between the support plate and the mounting sleeve. The lifting connection assembly is inserted and connected to the bottom end of the mounting sleeve and is connected thereto by a locking bolt.

[0007] Preferably, the drive assembly consists of a servo motor 2, a driving gear and a driven gear. The servo motor 2 is fixedly connected to the side of the top of the support plate. The driving gear is located on the side inside the support plate and is fixedly connected to the output shaft of the servo motor 2. The driven gear is fixedly connected to the top of the mounting sleeve and is meshed with the driving gear.

[0008] Preferably, the driven gear and the mounting sleeve are rotatably connected via a plane bearing, and a through hole matching the mounting sleeve is provided at the bottom end of the mounting sleeve.

[0009] Preferably, the lifting connection assembly consists of an insert rod and a threaded head, the top end of the insert rod is inserted into the mounting sleeve, and the threaded head is fixedly connected to the bottom end of the insert rod.

[0010] Preferably, the spraying mechanism is composed of a material guide pipe, a material guide sleeve, a plurality of horizontal nozzles and a plurality of inclined nozzles. The material guide sleeve is connected to the spray feeder through the material guide pipe, and the horizontal nozzles and the inclined nozzles are fixedly connected to one side of the material guide sleeve.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] (1) During operation, a circulating conveying mechanism consisting of a circular guide rail, a first pulley, a second pulley, a synchronous belt and a servo motor is provided to drive the hoisting mechanism to perform a circulating motion, thereby driving the explosion-proof limit switch housing to perform a circulating motion. By providing a hoisting mechanism consisting of a sliding sleeve, a lifting arm, a support plate, a driving assembly, a mounting sleeve and a hoisting connection assembly, the explosion-proof limit switch housing is hoisted and driven to rotate, thereby achieving continuous spraying and improving spraying efficiency;

[0013] (2) By providing a spray feeder and a spray mechanism consisting of a material guide tube, a material guide sleeve, a plurality of horizontal spray heads and a plurality of inclined spray heads, the explosion-proof limit switch housing can be fully sprayed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.

[0015] In the attached figure:

[0016] Figure 1 This is a schematic diagram of the structure of the surface spraying device of the explosion-proof limit switch housing of the utility model;

[0017] Figure 2 This is a schematic diagram of the connection structure between the circulating conveying mechanism and the hoisting mechanism of the utility model;

[0018] Figure 3This is a schematic diagram of the structure of the lifting mechanism of the utility model;

[0019] Figure 4 This is a cross-sectional view of the lifting mechanism of the utility model;

[0020] Figure 5 This is a schematic diagram of the spraying mechanism structure of the utility model;

[0021] In the figure: 1. Spray box; 2. Spray feeder; 3. Circular conveying mechanism; 4. Hoisting mechanism; 5. Spraying mechanism; 6. Annular guide rail; 7. First pulley; 8. Second pulley; 9. Synchronous belt; 10. Servo motor 1; 11. Oblique support beam; 12. Support plate; 13. Inlet and outlet; 14. Sliding sleeve; 15. Hanging arm; 16. Support plate; 17. Drive assembly; 18. Mounting sleeve; 19. Hoisting connection assembly; 20. Locking bolt; 21. Servo motor 2; 22. Drive gear; 23. Driven gear; 24. Plane bearing; 25. Through hole; 26. Insert rod; 27. Threaded head; 28. Guide pipe; 29. Guide sleeve; 30. Horizontal nozzle; 31. Inclined nozzle. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0023] Depend on Figure 1 and Figure 2 The utility model provides a surface spraying device for an explosion-proof limit switch housing, comprising a spray box 1, a spray feeder 2 fixedly arranged at the middle position of the top of the spray box 1, a circulating conveying mechanism 3 inserted at the top of the spray box 1, a plurality of hoisting mechanisms 4 arranged at the bottom of the circulating conveying mechanism 3, a spray mechanism 5 connected to the spray feeder 2 is arranged at the middle position of the spray box 1, the circulating conveying mechanism 3 is composed of an annular guide rail 6, a first pulley 7, a second pulley 8, a synchronous belt 9 and a servo motor 10, an annular The guide rail 6 is fixedly connected to the spray box 1 through a number of oblique support beams 11. Support plates 12 are fixedly provided at both ends of the top of the spray box 1. The first pulley 7 and the second pulley 8 are rotatably connected to the bottom ends of the two support plates 12 respectively. The servo motor 10 is fixedly connected to the top of one of the support plates 12 and connected to the first pulley 7. The synchronous belt 9 is connected between the first pulley 7 and the second pulley 8 and fixedly connected to the lifting mechanism 4. A glass panel is provided on the front of the spray box 1, and an inlet and outlet 13 is provided at both ends of the spray box 1.

[0024] When in use, the explosion-proof limit switch housing is connected to the lifting mechanism 4, and the lifting mechanism 4 is transported through the circular conveying mechanism 3. When the circular conveying mechanism 3 is working, the servo motor 10 drives the first pulley 7 to rotate, and the first pulley 7 and the second pulley 8 drive the synchronous belt 9 to rotate, and the synchronous belt 9 drives the lifting mechanism 4 to move. The lifting mechanism 4 slides on the top of the annular guide rail 6 to achieve a limiting effect and improve stability;

[0025] Depend on Figures 1 to 4 It is given that the lifting mechanism 4 is composed of a sliding sleeve 14, a lifting arm 15, a support plate 16, a drive assembly 17, a mounting sleeve 18 and a lifting connection assembly 19. The sliding sleeve 14 is slidably connected to the top of the annular guide rail 6 and is fixedly connected to the synchronous belt 9. The lifting arm 15 is fixedly connected to the bottom end of the sliding sleeve 14, the support plate 16 is fixedly connected to the bottom end of the lifting arm 15, and the mounting sleeve 18 is rotatably connected to the bottom end of the support plate 16. The drive assembly 17 is connected between the support plate 16 and the mounting sleeve 18. The lifting connection assembly 19 is inserted and connected to the bottom end of the mounting sleeve 18 and is connected thereto by a locking bolt 20. The drive assembly 17 is composed of a servo motor 21, a drive gear 22 and a driven gear 23, the servo motor 21 is fixedly connected to the side of the top of the support disk 16, the driving gear 22 is located on the side inside the support disk 16 and is fixedly connected to the output shaft of the servo motor 21, the driven gear 23 is fixedly connected to the top of the mounting sleeve 18 and meshed with the driving gear 22, the driven gear 23 and the mounting sleeve 18 are rotatably connected through a plane bearing 24, the bottom end of the mounting sleeve 18 is provided with a through hole 25 that matches the mounting sleeve 18, the lifting connection assembly 19 is composed of an insert rod 26 and a threaded head 27, the top end of the insert rod 26 is inserted into the mounting sleeve 18, and the threaded head 27 is fixedly connected to the bottom end of the insert rod 26;

[0026] The sliding sleeve 14 is slidably connected to the annular guide rail 6. When the sliding sleeve 14 moves to the spraying station, it pauses, and the servo motor 21, the driving gear 22 and the driven gear 23 drive the installation sleeve 18 to rotate. The installation sleeve 18 drives the lifting connection assembly 19 and the explosion-proof limit switch housing to rotate. By setting the insertion rod 26 and the threaded head 27 as a detachable structure, it can be easily replaced to adapt to the connection of different types of explosion-proof limit switches.

[0027] Depend on Figure 1 and Figure 5 The spraying mechanism 5 is composed of a material guide pipe 28, a material guide sleeve 29, a plurality of horizontal nozzles 30 and a plurality of inclined nozzles 31. The material guide sleeve 29 is connected to the spray feeder 2 through the material guide pipe 28. The horizontal nozzles 30 and the inclined nozzles 31 are fixedly connected to one side of the material guide sleeve 29.

[0028] The spray feeder 2 feeds materials to the horizontal spray head 30 and the inclined spray head 31 through the material guide pipe 28 and the material guide sleeve 29 , thereby achieving a comprehensive spraying operation through the horizontal spray head 30 and the inclined spray head 31 .

[0029] During operation, by setting up a circulating conveying mechanism composed of a ring guide rail, a first pulley, a second pulley, a synchronous belt and a servo motor, the lifting mechanism can be driven to perform a circulating motion, thereby driving the explosion-proof limit switch housing to perform a circulating motion. By setting up a lifting mechanism composed of a sliding sleeve, a lifting arm, a support plate, a drive assembly, an installation sleeve and a lifting connection assembly, the explosion-proof limit switch housing can be lifted and driven to rotate, thereby achieving continuous spraying and improving the spraying efficiency. By setting up a spray feeder and a spraying mechanism composed of a material guide pipe, a material guide sleeve, several horizontal nozzles and several inclined nozzles, the explosion-proof limit switch housing can be fully sprayed.

[0030] The above technical solutions only reflect the preferred technical solutions of the present utility model. Any changes that may be made to certain parts thereof by technicians in this technical field all reflect the principles of the present utility model and fall within the scope of protection of the present utility model.

Claims

1. A surface spraying device for an explosion-proof limit switch housing, comprising a spraying box (1), characterized in that: A spray feeder (2) is fixedly provided at the middle position of the top of the spray box (1), a circulating conveying mechanism (3) is inserted at the top of the interior of the spray box (1), a plurality of hoisting mechanisms (4) are provided at the bottom of the circulating conveying mechanism (3), a spray mechanism (5) connected to the spray feeder (2) is provided at the middle position of the interior of the spray box (1), and the circulating conveying mechanism (3) is composed of an annular guide rail (6), a first pulley (7), a second pulley (8), a synchronous belt (9) and a servo motor (10), and the annular The shaped guide rail (6) is fixedly connected to the spray box (1) through a plurality of oblique support beams (11), support plates (12) are fixedly provided at both ends of the top of the spray box (1), a first pulley (7) and a second pulley (8) are rotatably connected to the bottom ends of the two support plates (12), a servo motor (10) is fixedly connected to the top end of one of the support plates (12) and connected to the first pulley (7), a synchronous belt (9) is connected between the first pulley (7) and the second pulley (8) and fixedly connected to the hoisting mechanism (4).

2. The surface spraying device for an explosion-proof limit switch housing according to claim 1, characterized in that: The front of the spray box (1) is provided with a glass panel, and both ends of the spray box (1) are provided with inlet and outlet ports (13).

3. The surface spraying device for an explosion-proof limit switch housing according to claim 1, characterized in that: The hoisting mechanism (4) is composed of a sliding sleeve (14), a boom (15), a support plate (16), a driving assembly (17), a mounting sleeve (18) and a hoisting connection assembly (19), wherein the sliding sleeve (14) is slidably connected to the top of the annular guide rail (6) and fixedly connected to the synchronous belt (9), the boom (15) is fixedly connected to the bottom end of the sliding sleeve (14), the support plate (16) is fixedly connected to the bottom end of the boom (15), the mounting sleeve (18) is rotatably connected to the bottom end of the support plate (16), the driving assembly (17) is connected between the support plate (16) and the mounting sleeve (18), and the hoisting connection assembly (19) is inserted and connected to the bottom end of the mounting sleeve (18) and is connected thereto through a locking bolt (20).

4. The surface spraying device for an explosion-proof limit switch housing according to claim 3, characterized in that: The driving assembly (17) is composed of a servo motor 2 (21), a driving gear (22) and a driven gear (23), wherein the servo motor 2 (21) is fixedly connected to the side of the top end of the support plate (16), the driving gear (22) is located on the side inside the support plate (16) and is fixedly connected to the output shaft of the servo motor 2 (21), and the driven gear (23) is fixedly connected to the top end of the mounting sleeve (18) and is meshed with the driving gear (22).

5. The surface spraying device for an explosion-proof limit switch housing according to claim 4, characterized in that: The driven gear (23) and the mounting sleeve (18) are rotatably connected via a plane bearing (24), and a through hole (25) matching the mounting sleeve (18) is provided at the bottom end of the mounting sleeve (18).

6. The surface spraying device for an explosion-proof limit switch housing according to claim 3, characterized in that: The hoisting connection assembly (19) is composed of an insertion rod (26) and a threaded head (27). The top end of the insertion rod (26) is inserted into the mounting sleeve (18), and the threaded head (27) is fixedly connected to the bottom end of the insertion rod (26).

7. The surface spraying device for an explosion-proof limit switch housing according to claim 1, characterized in that: The spraying mechanism (5) is composed of a material guide pipe (28), a material guide sleeve (29), a plurality of horizontal nozzles (30) and a plurality of inclined nozzles (31). The material guide sleeve (29) is connected to the spray feeder (2) through the material guide pipe (28), and the horizontal nozzles (30) and the inclined nozzles (31) are fixedly connected to one side of the material guide sleeve (29).

Images