Paint spraying device for surface of steel pipe

Abstract

The utility model relates to the technical field of steel pipe paint spraying, and discloses a steel pipe surface paint spraying device which comprises a device base, vertical plates are fixedly installed at the two ends of the top of the device base, and a threaded shaft is rotationally connected between the upper portions of the two vertical plates. A motor connected with one end of a threaded shaft is installed on the upper portion of one side of one vertical plate, a moving block is in threaded connection with the surface of the threaded shaft, a paint spraying nozzle is installed on one side of the moving block, rotating pipes are installed in the middles of the two vertical plates, steel pipe installation fixing pieces are installed at the opposite ends of the two rotating pipes, and a small chain wheel is installed at the other end of the threaded shaft. A large chain wheel is fixedly mounted at one end of one rotating pipe, and a chain is mounted between the large chain wheel and the small chain wheel; the paint spraying device for the surface of the steel pipe is provided with the fixed rotating structure and the synchronous paint spraying moving structure, the fixed rotating structure can conduct rotating adjustment on the fixed steel pipe, and the synchronous paint spraying moving structure can conduct moving paint spraying operation in the rotating process of the steel pipe.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel pipe spraying paint, in particular to a paint spraying device used for the surface of a steel pipe. Background Art

[0002] A steel pipe refers to a steel material with a hollow cross-section and a length much greater than its diameter or circumference. Steel pipes are divided into steel pipes for conveying pipelines, engineering structures, thermal equipment, petrochemical industry, machinery manufacturing, geological drilling, high-pressure equipment, etc. according to their uses. During the processing of steel pipes, it is often necessary to spray paint on the surface to prevent the steel pipes from contacting with the air and oxidizing, thereby reducing their service life. When spraying paint on steel pipes, they need to be fixed to facilitate the painting operation. The existing steel pipe fixing method will result in the steel pipe being unable to be painted in the fixed position after being clamped, and the steel pipe needs to be manually turned over. The efficiency of this type of painting operation is low, and the uniformity of the paint cannot be guaranteed. Therefore, improvements are now needed to address the above problems. Utility Model Content

[0003] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a paint spraying device for the surface of a steel pipe, comprising a device base, vertical plates are fixedly installed at both ends of the top of the device base, a threaded shaft is rotatably connected between the upper parts of the two vertical plates, a motor connected to one end of the threaded shaft is installed at the upper part of one side of one of the vertical plates, a moving block is threadedly connected to the surface of the threaded shaft, a paint spray head is installed on one side of the moving block, a rotating tube is installed in the middle part of the two vertical plates, steel pipe mounting fixtures are installed at the opposite ends of the two rotating tubes, a small sprocket is installed at the other end of the threaded shaft, a large sprocket is fixedly installed at one end of one of the rotating tubes, and a chain is installed between the large sprocket and the small sprocket.

[0004] Preferably, bearings are installed in the middle of the two vertical plates, and the two rotating tubes are respectively installed in the middle of the two bearings. The opposite ends of the two rotating tubes are fixedly connected with a circular plate located between the two vertical plates, and the middle of the opposite sides of the two circular plates are fixedly installed with a mounting tube connected to the rotating tube, and an electric telescopic rod is installed inside the two rotating tubes.

[0005] Preferably, the two steel pipe mounting fixtures each include three interference clamping plates, which are arranged in an annular shape at equal distances on the surface of the mounting pipe, and three movable grooves are provided in an annular shape at equal distances on the surface of the mounting pipe, and a triangular movable bar is provided inside the mounting pipe, and two support rods are rotatably connected between the interference clamping plate and the triangular movable bar through the movable grooves, and the telescopic end of the electric telescopic rod is fixedly connected to one end of the triangular movable bar, and three sliding grooves are provided in an annular shape at equal distances on the surface of the circular plate, and one end of the interference clamping plate is fixedly connected to an inverted F-shaped sliding rod, and the inverted F-shaped sliding rod is inserted into the inside of the sliding groove, so that the steel pipe can be effectively clamped and fixed.

[0006] Compared with the prior art, the beneficial effects of the utility model are as follows: by providing a device base, a vertical plate, a threaded shaft, a motor, a moving block, a paint spray nozzle, a rotating tube, a steel pipe mounting fixture, a small sprocket, a large sprocket and a chain, the paint spraying device on the surface of the steel pipe has a fixed rotating structure and a synchronous paint spraying moving structure. The fixed rotating structure can rotate and adjust the fixed steel pipe so that the surface of the steel pipe can be evenly painted, and the synchronous paint spraying moving structure can perform mobile paint spraying operations during the rotation of the steel pipe, thereby effectively improving the comprehensiveness of paint spraying and the efficiency and speed of paint spraying. At the same time, the paint spraying device has a simple structural design, is convenient and quick to use and operate, and is stable and reliable in fixing and painting. Its performance can meet the use requirements of steel pipe paint processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0008] In the attached picture:

[0009] Figure 1 This is a schematic diagram of the structure of a paint spraying device for a steel pipe surface according to the utility model;

[0010] Figure 2 This is a partial cross-sectional structural schematic diagram of a paint spraying device for a steel pipe surface according to the utility model;

[0011] Figure 3 For this utility model Figure 2 Schematic diagram of the local structure;

[0012] In the figure: 1. device base; 2. vertical plate; 3. threaded shaft; 4. motor; 5. moving block; 6. paint spray nozzle; 7. rotating tube; 8. steel pipe mounting fixture; 9. small sprocket; 10. large sprocket; 11. chain; 12. bearing; 13. electric telescopic rod; 14. round plate; 15. mounting tube; 16. moving groove; 17. triangular moving bar; 18. abutting clamping plate; 19. support rod; 20. sliding groove; 21. inverted F-shaped sliding rod. DETAILED DESCRIPTION

[0013] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0014] Depend on Figures 1 to 3The utility model includes a device base 1, both ends of the top of the device base 1 are fixedly installed with vertical plates 2, a threaded shaft 3 is rotatably connected between the upper parts of the two vertical plates 2, and the threaded shaft 3 is a small pitch threaded shaft, so as to reduce the moving speed of the moving block 5, a motor 4 connected to one end of the threaded shaft 3 is installed on the upper part of one side of one vertical plate 2, a moving block 5 is threadedly connected to the surface of the threaded shaft 3, a paint spray head 6 is installed on one side of the moving block 5, a rotating tube 7 is installed in the middle of the two vertical plates 2, and the opposite ends of the two rotating tubes 7 are A steel pipe mounting fixture 8 is installed, and a small sprocket 9 is installed at the other end of the threaded shaft 3. A large sprocket 10 is fixedly installed at one end of one of the rotating tubes 7, and a chain 11 is installed between the large sprocket 10 and the small sprocket 9; the two vertical plates 2 are square structures, and an inverted L-shaped fixing plate is fixedly installed between the top and the rear side of the two vertical plates 2. The end of the upper part of the inverted L-shaped fixing plate is rotatably connected with a movable vertical shielding plate, and the movable vertical shielding plate is located between the front sides of the vertical plates 2, so as to effectively carry out wrapping protection and prevent paint from polluting the processing environment.

[0015] A slide bar is fixedly connected between the upper parts of the two vertical plates 2, and the upper part of the moving block 5 is slidably sleeved on the surface of the slide bar. A delivery pipe is installed on the surface of the moving block 5, and the delivery pipe is connected to the paint spray nozzle 6. The delivery pipe is connected to the external paint storage tank, and the external paint storage tank is installed with a delivery pump, so that the moving block 5 and the paint spray nozzle 6 can effectively move horizontally;

[0016] By starting the motor 4, the threaded shaft 3 is rotated, and the rotation of the threaded shaft 3 will cause the moving block 5 to drive the paint spray head 6 to move horizontally; and the rotation of the threaded shaft 3 will slowly drive one of the rotating tubes 7 to rotate through the small sprocket 9, the chain 11 and the large sprocket 10, and at the same time, the other rotating tube 7 will be rotated through the two bearings 12. The rotation of the two rotating tubes 7 will slowly drive the clamped and fixed steel pipe to rotate, and the movement of the paint spray head 6 can evenly and comprehensively spray paint on the surface of the rotating steel pipe.

[0017] A bearing 12 is installed in the middle of the two vertical plates 2, and the two rotating tubes 7 are respectively installed in the middle of the two bearings 12. The opposite ends of the two rotating tubes 7 are fixedly connected with a circular plate 14 located between the two vertical plates 2. The middle of the opposite sides of the two circular plates 14 are fixedly installed with a mounting tube 15 connected to the rotating tube 7. The inside of the two rotating tubes 7 is installed with an electric telescopic rod 13; the two steel pipe mounting fixtures 8 each include three abutting clamping plates 18, which are arranged on the surface of the mounting tube 15 at equal distances in an annular manner, and the surface of the mounting tube 15 is evenly arranged in an annular manner. Three moving grooves 16 are provided at intervals, and a triangular moving bar 17 is installed inside the mounting tube 15. Two supporting rods 19 are rotatably connected between the abutting clamping plate 18 and the triangular moving bar 17 through the moving groove 16. The telescopic end of the electric telescopic rod 13 is fixedly connected to one end of the triangular moving bar 17. Three sliding grooves 20 are provided at equal intervals on the surface of the circular plate 14. One end of the abutting clamping plate 18 is fixedly connected to an inverted F-shaped sliding rod 21. The inverted F-shaped sliding rod 21 is inserted into the sliding groove 20, so that the steel pipe can be effectively clamped and fixed;

[0018] The steel pipe is installed between the surfaces of the two steel pipe installation fixings 8 so that the abutting clamping plate 18 is located inside the steel pipe, and the electric telescopic rod 13 is started to extend. The extension of the electric telescopic rod 13 will push the triangular moving bar 17 to move. The movement of the triangular moving bar 17 is limited by the two support rods 19 and the inverted F-shaped sliding rod 21, which will cause the three abutting clamping plates 18 to move back to back and abut against the inner wall of the steel pipe, and the inverted F-shaped sliding rod 21 to slide and move inside the sliding groove 20, and finally the steel pipe is clamped and fixed; then the two rotating tubes 7 are rotated through the two bearings 12, and the rotation of the two rotating tubes 7 will drive the clamped and fixed steel pipe to rotate.

[0019] The paint spraying device on the surface of the steel pipe has a fixed rotating structure and a synchronous paint spraying moving structure. The fixed rotating structure can rotate and adjust the fixed steel pipe so that the surface of the steel pipe can be evenly sprayed with paint, and the synchronous paint spraying moving structure can perform mobile paint spraying operations during the rotation of the steel pipe, thereby effectively improving the comprehensiveness of the paint spraying and the efficiency and speed of the paint spraying.

Claims

1. A paint spraying device for a steel pipe surface, comprising a device base (1), characterized in that: Both ends of the top of the device base (1) are fixedly mounted with vertical plates (2), a threaded shaft (3) is rotatably connected between the upper parts of the two vertical plates (2), a motor (4) connected to one end of the threaded shaft (3) is mounted on the upper part of one side of one of the vertical plates (2), a moving block (5) is threadedly connected to the surface of the threaded shaft (3), a paint spray head (6) is mounted on one side of the moving block (5), a rotating tube (7) is mounted in the middle of the two vertical plates (2), steel pipe mounting fixtures (8) are mounted on the opposite ends of the two rotating tubes (7), a small sprocket (9) is mounted on the other end of the threaded shaft (3), a large sprocket (10) is fixedly mounted on one end of one of the rotating tubes (7), and a chain (11) is mounted between the large sprocket (10) and the small sprocket (9).

2. A paint spraying device for a steel pipe surface according to claim 1, characterized in that: A bearing (12) is installed in the middle of the two vertical plates (2), and the two rotating tubes (7) are respectively installed in the middle of the two bearings (12). The opposite ends of the two rotating tubes (7) are fixedly connected to a circular plate (14) located between the two vertical plates (2). A mounting tube (15) connected to the rotating tube (7) is fixedly installed in the middle of the opposite sides of the two circular plates (14), and an electric telescopic rod (13) is installed inside the two rotating tubes (7).

3. A paint spraying device for a steel pipe surface according to claim 2, characterized in that: The two steel pipe mounting fixtures (8) each comprise three abutting clamping plates (18), which are arranged in an annular manner at equal intervals on the surface of the mounting pipe (15), and the surface of the mounting pipe (15) is provided with three moving grooves (16) in an annular manner at equal intervals, and a triangular moving bar (17) is installed inside the mounting pipe (15), and two supporting rods (19) are rotatably connected between the abutting clamping plates (18) and the triangular moving bar (17) through the moving grooves (16), and the telescopic end of the electric telescopic rod (13) is fixedly connected to one end of the triangular moving bar (17), and the surface of the circular plate (14) is provided with three sliding grooves (20) in an annular manner at equal intervals, and one end of the abutting clamping plates (18) is fixedly connected to an inverted F-shaped sliding rod (21), and the inverted F-shaped sliding rod (21) is inserted into the inside of the sliding groove (20).

4. A paint spraying device for a steel pipe surface according to claim 1, characterized in that: A slide bar is fixedly connected between the upper parts of the two vertical plates (2), the upper part of the moving block (5) is slidably sleeved on the surface of the slide bar, and a delivery pipe is installed on the surface of the moving block (5), and the delivery pipe is connected to the paint spray nozzle (6).

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