Steel pipe inner wall coating spraying machine

Abstract

The utility model relates to the technical field of steel pipe machining, in particular to a steel pipe inner wall coating spraying machine. According to the technical scheme, the device comprises a supporting plate and a conveying assembly arranged on the supporting plate, the supporting plate is provided with a spraying assembly and a protection assembly, the spraying assembly comprises a winding drum rotationally installed at the top of the supporting plate and a fixing box fixedly installed at the top of the supporting plate, a supporting pipe is wound around the periphery of the winding drum, and one end of the supporting pipe is fixedly connected with the winding drum; a fixed cylinder is fixedly mounted at the other end of the supporting pipe, a plurality of supporting wheels are rotationally connected to the outer side of the fixed cylinder, a rotating pipe is rotationally mounted at one end of the fixed cylinder, and two nozzles are fixedly connected to the outer side of the rotating pipe. According to the paint spraying device, the supporting pipe, the spiral hoops, the fixing ribs, the fixing cylinders and the supporting wheels are matched with one another, so that paint spraying operation can be conveniently carried out on steel pipes with different lengths, a conveying pipe can be conveniently protected, and the situation that the conveying pipe is bent or stretched and fractured is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe processing, in particular to a steel pipe inner wall paint spraying machine. Background Art

[0002] Steel pipes are used to transport fluids and powdered solids, exchange heat, and manufacture mechanical parts and containers. They are also an economical steel material. Steel pipes are usually used to transport gases or liquids. In the process of processing steel pipes, the inner wall of the steel pipe needs to be sprayed with paint. When spraying the inner wall of the steel pipe, a steel pipe inner wall paint sprayer is required.

[0003] In the prior art, there are the following problems:

[0004] The existing steel pipe inner wall paint spraying machine uses a metal support rod to extend the nozzle into the interior of the steel pipe, so that the paint is transported to the nozzle through the metal support rod for spraying, thereby spraying the paint on the inner wall of the steel pipe. However, the steel pipe usually has a long distance, which may easily lead to the spraying being unable to fully extend into the steel pipe and move to the other end of the steel pipe. At the same time, when the metal support rod is long, it is easy for the end with the nozzle to tilt downward, which makes it inconvenient for the metal rod to extend the nozzle into the steel pipe, resulting in inconvenient operation. Utility Model Content

[0005] The utility model aims to provide a steel pipe inner wall coating spraying machine to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steel pipe inner wall paint spraying machine, comprising a support plate and a conveying assembly arranged on the support plate, the support plate is provided with a spraying assembly and a protective assembly, the spraying assembly comprises a reel rotatably mounted on the top of the support plate and a fixed box fixedly mounted on the top of the support plate, the outer periphery of the reel is wrapped with a support tube, one end of the support tube is fixedly connected to the reel, the other end of the support tube is fixedly mounted with a fixed cylinder, the outer side of the fixed cylinder is rotatably connected to a plurality of support wheels, a rotating tube is rotatably mounted on one end of the fixed cylinder, the outer side of the rotating tube is fixedly connected to two spray heads, the front end of the reel is fixedly mounted with a fixed tube, the inner side of the support tube is fixedly connected with a conveying tube, the two ends of the conveying tube are respectively connected with the fixed tube and the rotating tube, the protective assembly comprises a spiral hoop and four fixed ribs fixedly mounted inside the support tube, the four fixed ribs are located on the outer periphery of the conveying tube, and the spiral hoop is located on the outer periphery of the fixed rib.

[0007] By introducing the paint into the fixed box, by inserting the fixed cylinder into the steel pipe, and making the support wheel contact with the inner wall of the steel pipe, by driving the support wheel to rotate, the fixed cylinder can be moved along the inside of the steel pipe, by conveying the paint in the fixed box to the fixed pipe, introducing the paint in the fixed pipe into the rotating pipe through the conveying pipe, by driving the rotating pipe to rotate, and using the nozzle to spray the paint in the rotating pipe, the paint spraying operation can be performed on the inner wall of the steel pipe, and by moving the fixed cylinder to any length along the inside of the steel pipe, the paint spraying operation can be conveniently performed on steel pipes of different lengths, the support pipe can be supported by the spiral hoop to prevent the support pipe from bending and squeezing the conveying pipe, and the fixed ribs can prevent the support pipe from stretching or contracting and pulling the conveying pipe, so that the conveying pipe can be conveniently protected to prevent the conveying pipe from bending or stretching and breaking.

[0008] Preferably, the delivery assembly includes a delivery pump fixedly mounted on the top of the support plate, the delivery pump is located inside the reel and the fixed box, a water suction pipe is fixedly mounted between the water suction end of the delivery pump and the fixed box, and the water outlet end of the delivery pump is fixedly connected to one end of the fixed pipe. The delivery pump can be used to allow the water suction pipe to suck out the paint in the fixed box, so that the paint is delivered to the fixed pipe.

[0009] Preferably, a material guide port is fixedly installed on the top of the fixed box, a material guide pipe is fixedly connected to the front end of the fixed box, the reel is rotatably connected to the support plate through two support frames, the two support frames are respectively located at the front and rear sides of the reel, the two support frames are fixedly installed between the support plate, and the reel is rotatably connected to the two support frames. The paint can be introduced into the fixed box for storage through the material guide port, the paint in the fixed box can be exported through the material guide pipe, the reel can be supported by the support frame, and the reel can be easily rotated.

[0010] Preferably, each of the support wheels is rotatably mounted to the fixed cylinder via two shaft frames, the shaft frames are fixedly mounted to the fixed cylinder, the support wheels are rotatably connected to the shaft frames, wherein the axles of the two support wheels pass through the shaft frames and are fixedly connected to the output end of the first motor, and the first motor is fixedly mounted on the outside of the shaft frames via mounting parts. The shaft frames can facilitate the rotation of the support wheels, and the first motor can drive the support wheels to rotate.

[0011] Preferably, a second motor is fixedly installed inside the fixed cylinder, an output end of the second motor extends out of the fixed cylinder and is connected to the rotating tube via a gear set, a rotating frame is fixedly installed at one end of the fixed cylinder, and the rotating tube is rotatably connected to the rotating frame. The second motor can drive the gear set to rotate, and the gear set can be used to drive the rotating tube to rotate.

[0012] Preferably, a wire is fixedly installed on the inner side of the support tube, a conveying groove is opened on the inner side of the fixed tube, and the conveying tube is connected to the rotating tube through the conveying groove. The first motor and the second motor can be conveniently connected to the external power supply and the control terminal through the wire, and the paint in the conveying tube can be introduced into the rotating tube through the conveying groove.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] By providing the mutual cooperation among the support tube, spiral hoop, fixing rib, fixing tube and support wheel, and by inserting the fixing tube into the steel tube, the supporting wheel contacts the inner wall of the steel tube, and the fixing tube can be moved along the inside of the steel tube by rotating the supporting wheel, and the inner wall of the steel tube is sprayed with paint by a nozzle, so that the paint spraying operation can be convenient for steel tubes of different lengths. The support tube can be supported by the spiral hoop to prevent the support tube from bending and squeezing the conveying tube. The fixing rib can prevent the support tube from stretching or contracting and pulling the conveying tube, so that the conveying tube can be conveniently protected to prevent the conveying tube from bending or stretching and breaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the cross-section structure of the support tube of the utility model;

[0017] Figure 3 For the utility model Figure 2 The enlarged structural diagram of part A in the middle;

[0018] Figure 4 It is a schematic diagram of the cutaway structure of the fixed cylinder of the utility model;

[0019] Figure 5 It is a schematic diagram of the cutaway structure of the rotary tube of the utility model.

[0020] In the figure: 1. support plate; 2. fixed box; 3. material guide port; 4. material guide pipe; 5. support frame; 6. reel; 7. support pipe; 8. delivery pump; 9. suction pipe; 10. fixed pipe; 11. fixed cylinder; 12. spiral hoop; 13. fixed rib; 14. delivery pipe; 15. wire; 16. shaft frame; 17. support wheel; 18. first motor; 19. rotating pipe; 20. nozzle; 21. delivery trough; 22. second motor; 23. gear set; 24. rotating frame. DETAILED DESCRIPTION

[0021] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0022] The utility model provides Figure 1-5 A steel pipe inner wall paint spraying machine shown in the figure comprises a support plate 1 and a conveying assembly arranged on the support plate 1, a spraying assembly and a protection assembly are arranged on the support plate 1, the spraying assembly comprises a reel 6 rotatably mounted on the top of the support plate 1 and a fixed box 2 fixedly mounted on the top of the support plate 1, a support tube 7 is wound around the periphery of the reel 6, one end of the support tube 7 is fixedly connected to the reel 6, a fixed cylinder 11 is fixedly mounted on the other end of the support tube 7, a plurality of support wheels 17 are rotatably connected to the outer side of the fixed cylinder 11, a rotating tube 19 is rotatably mounted on one end of the fixed cylinder 11, two nozzles 20 are fixedly connected to the outer side of the rotating tube 19, a fixed tube 10 is fixedly mounted on the front end of the reel 6, a conveying tube 14 is fixedly connected to the inner side of the support tube 7, two ends of the conveying tube 14 are respectively connected to the fixed tube 10 and the rotating tube 19, the protection assembly comprises a spiral hoop 12 and four fixed ribs 13 fixedly mounted inside the support tube 7, the four fixed ribs 13 are located on the periphery of the conveying tube 14, and the spiral hoop 12 is located on the periphery of the fixed rib 13;

[0023] The delivery assembly includes a delivery pump 8 fixedly mounted on the top of the support plate 1, the delivery pump 8 is located inside the reel 6 and the fixed box 2, a water suction pipe 9 is fixedly mounted between the water suction end of the delivery pump 8 and the fixed box 2, and the water outlet end of the delivery pump 8 is fixedly connected to one end of the fixed pipe 10;

[0024] A material guide port 3 is fixedly installed on the top of the fixed box 2, a material guide pipe 4 is fixedly connected to the front end of the fixed box 2, the reel 6 is rotatably connected to the support plate 1 through two support frames 5, the two support frames 5 are respectively located at the front and rear sides of the reel 6, the two support frames 5 are fixedly installed between the support plate 1, and the reel 6 is rotatably connected to the two support frames 5;

[0025] Each support wheel 17 is rotatably mounted on the fixed cylinder 11 via two shaft frames 16, the shaft frames 16 are fixedly mounted on the fixed cylinder 11, and the support wheels 17 are rotatably connected to the shaft frames 16, wherein the axes of the two support wheels 17 pass through the shaft frames 16 and are fixedly connected to the output end of the first motor 18, and the first motor 18 is fixedly mounted on the outside of the shaft frames 16 via a mounting member;

[0026] A second motor 22 is fixedly installed inside the fixed cylinder 11, and an output end of the second motor 22 extends out of the fixed cylinder 11 and is connected to the rotating tube 19 through a gear set 23. A rotating frame 24 is fixedly installed at one end of the fixed cylinder 11, and the rotating tube 19 is rotatably connected to the rotating frame 24.

[0027] A conducting wire 15 is fixedly mounted on the inner side of the supporting tube 7 , a conveying groove 21 is provided on the inner side of the fixing tube 11 , and the conveying tube 14 is connected to the rotating tube 19 via the conveying groove 21 .

[0028] The working principle of the steel pipe inner wall paint spraying machine according to the embodiment is: by introducing the paint into the fixed box 2, by inserting the fixed cylinder 11 into the steel pipe, making the support wheel 17 contact with the inner wall of the steel pipe, starting the first motor 18, the support wheel 17 can be driven to rotate, and the rotation of the support wheel 17 can make the fixed cylinder 11 move along the inside of the steel pipe;

[0029] Start the delivery pump 8, use the suction pipe 9 to make the delivery pump 8 suck out the paint in the fixed box 2, and then deliver the paint to the fixed pipe 10, introduce the paint into the delivery pipe 14 through the fixed pipe 10, and introduce the paint in the delivery pipe 14 into the rotating pipe 19 through the delivery groove 21, start the second motor 22, use the gear set 23 to drive, and drive the rotating pipe 19 to rotate, and use the spray head 20 to spray the paint in the rotating pipe 19, so that the paint spraying operation can be performed on the inner wall of the steel pipe, and by moving the fixed cylinder 11 along the inside of the steel pipe to any length, the paint spraying operation can be conveniently performed on steel pipes of different lengths;

[0030] The spiral hoop 12 can support the support tube 7 to prevent the support tube 7 from bending and squeezing the conveying tube 14. The fixing rib 13 can prevent the support tube 7 from stretching or shrinking and pulling the conveying tube 14. The conveying tube 14 can be conveniently protected to prevent the conveying tube 14 from bending or stretching and breaking. At the same time, the wire 15 can be conveniently electrically connected to the first motor 18 and the second motor 22, and the support tube 7 can be rolled up by the reel 6.

[0031] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. A steel pipe inner wall coating spraying machine, comprising a support plate (1) and a conveying assembly arranged on the support plate (1), characterized in that: The support plate (1) is provided with a spraying component and a protection component; The spraying assembly comprises a reel (6) rotatably mounted on the top of a support plate (1) and a fixed box (2) fixedly mounted on the top of the support plate (1); a support tube (7) is wound around the outer periphery of the reel (6); one end of the support tube (7) is fixedly connected to the reel (6); a fixed cylinder (11) is fixedly mounted on the other end of the support tube (7); a plurality of support wheels (17) are rotatably connected to the outer side of the fixed cylinder (11); a rotating tube (19) is rotatably mounted on one end of the fixed cylinder (11); two nozzles (20) are fixedly connected to the outer side of the rotating tube (19); a fixed tube (10) is fixedly mounted on the front end of the reel (6); a delivery tube (14) is fixedly connected to the inner side of the support tube (7); and two ends of the delivery tube (14) are respectively connected to the fixed tube (10) and the rotating tube (19); The protection assembly comprises a spiral hoop (12) fixedly installed inside the support pipe (7) and four fixing ribs (13), the four fixing ribs (13) are located on the periphery of the conveying pipe (14), and the spiral hoop (12) is located on the periphery of the fixing ribs (13).

2. A steel pipe inner wall coating spraying machine according to claim 1, characterized in that: The conveying assembly comprises a conveying pump (8) fixedly mounted on the top of the support plate (1); the conveying pump (8) is located on the inner side of the reel (6) and the fixed box (2); a water suction pipe (9) is fixedly mounted between the water suction end of the conveying pump (8) and the fixed box (2); and the water outlet end of the conveying pump (8) is fixedly connected to one end of the fixed pipe (10).

3. A steel pipe inner wall coating spraying machine according to claim 1, characterized in that: A material guide port (3) is fixedly installed on the top of the fixed box (2), a material guide pipe (4) is fixedly connected to the front end of the fixed box (2), the reel (6) and the support plate (1) are rotatably connected via two support frames (5), the two support frames (5) are respectively located at the front and rear sides of the reel (6), the two support frames (5) are fixedly installed between the support plate (1), and the reel (6) and the two support frames (5) are rotatably connected.

4. A steel pipe inner wall coating spraying machine according to claim 1, characterized in that: Each of the support wheels (17) is rotatably mounted on the fixed cylinder (11) via two shaft frames (16); the shaft frames (16) and the fixed cylinder (11) are fixedly mounted; the support wheels (17) and the shaft frames (16) are rotatably connected; the axes of the two support wheels (17) pass through the shaft frames (16) and are fixedly connected to the output end of the first motor (18); the first motor (18) is fixedly mounted on the outside of the shaft frames (16) via a mounting member.

5. The steel pipe inner wall coating spraying machine according to claim 1, characterized in that: A second motor (22) is fixedly installed inside the fixed cylinder (11); an output end of the second motor (22) extends out of the fixed cylinder (11) and is transmission-connected to the rotating tube (19) via a gear set (23); a rotating frame (24) is fixedly installed at one end of the fixed cylinder (11); and the rotating tube (19) and the rotating frame (24) are rotationally connected.

6. A steel pipe inner wall coating spraying machine according to claim 1, characterized in that: A conducting wire (15) is fixedly mounted on the inner side of the support tube (7), a conveying groove (21) is provided on the inner side of the fixed cylinder (11), and the conveying tube (14) is connected to the rotating tube (19) through the conveying groove (21).

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