Uniform spraying device for interior of steel pipe

Abstract

The utility model discloses a uniform spraying device for the interior of a steel pipe, and belongs to the technical field of steel pipe machining. The upper end of the bottom plate is connected with a rotation driving mechanism for placing and driving a steel pipe to rotate; the upper end of the bottom plate is connected with an environment-friendly painting mechanism. The environment-friendly paint spraying mechanism comprises a driving assembly and an environment-friendly paint spraying assembly, the driving assembly used for driving the environment-friendly paint spraying assembly to move is arranged on the left side of the rotary driving mechanism, and the driving assembly is connected with the upper end of the bottom plate; the environment-friendly paint spraying assembly for spraying paint on the inner wall of the steel pipe is connected to the left side of the driving assembly; the environment-friendly painting assembly is connected with the upper end of the bottom plate. In this way, the rotation driving mechanism places and drives the steel pipe to rotate, at the moment, the environment-friendly paint spraying assembly sprays paint on the inner wall of the steel pipe, and uniform paint spraying on the inner wall of the steel pipe is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe processing technical field, concretely relates to a steel pipe internal even spraying device. BACKGROUND

[0002] In the steel pipe processing technical field, the steel pipe paint spraying has the pivotal position. Its core purpose lies in giving the steel pipe the excellent anticorrosion performance, effectively resisting the erosion of the outside world harsh environment, thereby greatly prolonging the service life of the steel pipe.

[0003] Chinese patent CN110711661A discloses a kind of steel pipe environmental protection automatic paint spraying device, including paint spraying chamber and tail gas treatment device;The storage is arranged in the paint spraying chamber;The output end of the storage is provided with communication pipe;The communication pipe is provided with multiple spray guns with nozzle;Rotary workbench is arranged below the paint spraying chamber;The rotary workbench is driven by motor;Drying machine is arranged above the paint spraying chamber;The storage is continuously provided with inlet pipe, and inlet end of inlet pipe is out of paint spraying chamber, and control valve is arranged on inlet pipe;Tail gas treatment device is arranged on the bottom and side of paint spraying chamber.

[0004] However, the device still has the following problems:

[0005] The device fixes steel pipe, and realizes automatic paint spraying to steel pipe by rotary workbench driving steel pipe rotation, and the position of spray gun is fixed, since the paint sprayed by spray gun is fan-shaped, the paint in different places of steel pipe is not uniform.

[0006] Based on this, the utility model discloses a kind of steel pipe internal even spraying device to solve above-mentioned problem. INVENTION CONTENTS

[0007] In view of the above-mentioned shortcomings of prior art, the utility model provides a kind of steel pipe internal even spraying device.

[0008] To achieve the above object, the utility model is realized by the following technical scheme:

[0009] A kind of steel pipe internal even spraying device, including bottom plate;

[0010] Rotary drive mechanism for placing and driving steel pipe rotation is connected to the bottom plate upper end;Environment-friendly paint spraying mechanism is connected to the bottom plate upper end;

[0011] The environment-friendly paint spraying mechanism includes drive assembly and environment-friendly paint spraying assembly, and the drive assembly for driving environment-friendly paint spraying assembly to move is arranged at the left side of rotary drive mechanism, and the drive assembly is connected to the bottom plate upper end;Environment-friendly paint spraying assembly for paint spraying to the inner wall of steel pipe is connected to the left side of drive assembly;Environment-friendly paint spraying assembly is connected to the bottom plate upper end.

[0012] Further, the rotating driving mechanism comprises a bracket, a rotating shaft, a driving motor, a driving rotating roller, a driven rotating roller and a transmission assembly, two brackets are fixedly connected to the upper end of the bottom plate, the opposite side walls of the two brackets are rotationally connected with the end portions of the two rotating shafts, the left end of the left bracket is fixedly connected with the driving motor, the output end of the driving motor is fixedly connected with the left end of the front rotating shaft, the outer wall of the front rotating shaft is fixedly connected with the driving rotating roller, the outer wall of the rear rotating shaft is fixedly connected with the driven rotating roller, the right end of the front rotating shaft is connected with the transmission assembly, and the right end of the rear rotating shaft is connected with the left side of the transmission assembly.

[0013] Further, the transmission assembly comprises a driving wheel, a driven wheel and a synchronous belt, the right end of the front rotating shaft is fixedly connected with the driving wheel, the right end of the rear rotating shaft is fixedly connected with the driven wheel, and the driving wheel is in transmission connection with the driven wheel through the synchronous belt.

[0014] Further, the driving assembly comprises a mounting frame, a rodless cylinder, a moving push plate, a mounting cylinder and a limiting sliding rod, the mounting frame is fixedly connected to the left upper end of the bottom plate, the limiting sliding rod is in sliding connection with the moving end of the rodless cylinder, the left and right ends of the limiting sliding rod are fixedly connected with the inner walls of the left and right sides of the mounting frame, the rodless cylinder is fixedly connected to the upper end of the mounting frame, the output end of the rodless cylinder is fixedly connected with the moving push plate, and the right side wall of the moving push plate is fixedly connected with the mounting cylinder.

[0015] Further, the environment-friendly paint spraying assembly comprises a paint spraying assembly and a floating paint removing assembly, the paint spraying assembly is connected to the inner side of the mounting cylinder, and the floating paint removing assembly is connected to the inner side of the mounting cylinder.

[0016] Further, the paint spraying assembly comprises a conveying pipeline, a sleeve one and a paint spraying head, the conveying pipeline for conveying paint is fixedly connected to the inner wall of the mounting cylinder, the outer wall of the conveying pipeline is fixedly connected with the sleeve one, the inner side of the sleeve one is provided with a circular groove one in communication with the conveying pipeline, and the outer wall of the sleeve one is fixedly connected with a plurality of paint spraying heads.

[0017] Further, the paint spraying head is in uniform circumferential array.

[0018] Further, the floating paint removing assembly comprises an air suction pipeline, a sleeve two and an air suction head, the air suction pipeline for air suction is fixedly connected to the inner wall of the mounting cylinder, the left end of the air suction pipeline is connected with an air suction device, the side wall of the mounting cylinder is fixedly connected with the sleeve two, the inner side of the sleeve two is provided with a circular groove two in communication with the air suction pipeline, and the side wall of the sleeve two is fixedly connected with a plurality of air suction heads in uniform circumferential array.

[0019] Compared with the prior art, the environment-friendly paint spraying assembly has the advantages that the steel pipe is placed and driven to rotate through the rotating driving mechanism, the inner wall of the steel pipe is painted by the environment-friendly paint spraying assembly at this time, and uniform painting of the inner wall of the steel pipe is realized. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0021] Figure 1 A perspective view of the steel pipe internal uniform spraying device of the present application Figure One ;

[0022] Figure 2 A front view of the steel pipe internal uniform spraying device of the present application

[0023] Figure 3 A right view of the steel pipe internal uniform spraying device of the present application

[0024] Figure 4 A perspective view of the steel pipe internal uniform spraying device of the present application Figure Two ;

[0025] Figure 5 A perspective view of the steel pipe internal uniform spraying device of the present application Figure 3 ;

[0026] Figure 6 An enlarged view of B in the Figure 5 ;

[0027] Figure 7 A perspective view of the steel pipe internal uniform spraying device of the present application Figure Three .

[0028] The reference numerals in the drawings represent respectively:

[0029] 10, bottom plate; 11, steel pipe; 2, rotary driving mechanism; 21, bracket; 22, rotating shaft; 23, driving motor; 24, driving rotating roller; 25, driven rotating roller; 26, driving wheel; 27, driven wheel; 28, synchronous belt; 3, environment-friendly paint spraying mechanism; 31, driving assembly; 311, mounting frame; 312, rodless cylinder; 313, moving push plate; 314, mounting cylinder; 315, limiting sliding rod; 32, environment-friendly paint spraying assembly; 321, conveying pipeline; 322, sleeve one; 323, circular groove one; 324, paint spraying head; 331, air suction pipeline; 332, sleeve two; 333, circular groove two; 334, air suction head. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model below. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] In the following description, "left", "right", "front", "rear", "upper", "lower" are oriented with the perspective of the front view.

[0032] Embodiment one: in some embodiments, referring to the drawings of the specification Figures 1-7 A steel pipe internal uniform spraying device, including the bottom plate 10;

[0033] The upper end of the bottom plate 10 is connected with the rotary drive mechanism 2 for placing and driving the rotation of the steel pipe 11; the upper end of the bottom plate 10 is connected with the environment-friendly paint spraying mechanism 3;

[0034] The environment-friendly paint spraying mechanism 3 includes a driving assembly 31 and an environment-friendly paint spraying assembly 32, the driving assembly 31 for driving the environment-friendly paint spraying assembly 32 to move is arranged on the left side of the rotary drive mechanism 2, the driving assembly 31 is connected with the upper end of the bottom plate 10; the environment-friendly paint spraying assembly 32 for spraying paint on the inner wall of the steel pipe 11 is connected on the left side of the driving assembly 31; the environment-friendly paint spraying assembly 32 is connected with the upper end of the bottom plate 10.

[0035] In the utility model, the steel pipe 11 is placed and driven to rotate through the rotary drive mechanism 2; at this time, the environment-friendly paint spraying assembly 32 sprays paint on the inner wall of the steel pipe 11, realizing the uniform paint spraying on the inner wall of the steel pipe 11.

[0036] The rotary drive mechanism 2 includes bracket 21, pivot 22, drive motor 23, drive roller 24, driven roller 25, drive wheel 26, driven wheel 27 and synchronous belt 28, the upper end of the bottom plate 10 is fixedly connected with two brackets 21; the opposite side walls of the two brackets 21 are rotatably connected with the end portions of the two pivots 22; the left end of the left bracket 21 is fixedly connected with the drive motor 23; the output end of the drive motor 23 is fixedly connected with the left end of the front pivot 22; the outer wall of the front pivot 22 is fixedly connected with the drive roller 24; the outer wall of the rear pivot 22 is fixedly connected with the driven roller 25; the right end of the front pivot 22 is fixedly connected with the drive wheel 26; the right end of the rear pivot 22 is fixedly connected with the driven wheel 27; the drive wheel 26 is drivingly connected with the driven wheel 27 through the synchronous belt 28.

[0037] The utility model discloses a drive motor 23 output end drives the front side pivot 22 rotation, makes drive roller 24 cooperate with driven roller 25 drive steel pipe 11 rotation, realizes the uniform speed rotation of drive steel pipe 11, and it is convenient for the uniform paint spraying of environmental protection paint spraying subassembly 32 to steel pipe 11 inner wall.

[0038] The utility model discloses a drive motor 23 output end drives the front side pivot 22 rotation, makes drive roller 24 cooperate with driven roller 25 drive steel pipe 11 rotation, realizes the uniform speed rotation of drive steel pipe 11, and it is convenient for the uniform paint spraying of environmental protection paint spraying subassembly 32 to steel pipe 11 inner wall.

[0039] The drive assembly 31 includes mounting frame 311, rodless cylinder 312, mobile push plate 313, installation cylinder 314 and limiting slide rod 315, and the mounting frame 311 is fixedly connected on the left side upper end of the bottom plate 10, the rodless cylinder 312 is fixedly connected on the upper end of mounting frame 311, the limiting slide rod 315 is slidably connected with the movable end of the rodless cylinder 312, and the left and right two ends of the limiting slide rod 315 are fixedly connected with the inner walls of the left and right two sides of the mounting frame 311 respectively, the output end of the rodless cylinder 312 is fixedly connected with the mobile push plate 313, and the right side wall of the mobile push plate 313 is fixedly connected with the installation cylinder 314.

[0040] The environmental protection paint spraying assembly 32 includes conveying pipeline 321, sleeve one 322, paint spraying head 324, air suction pipeline 331, sleeve two 332 and air suction head 334, the inner wall of the installation cylinder 314 is fixedly connected with the conveying pipeline 321 for conveying paint, and the outer wall of the conveying pipeline 321 is fixedly connected with sleeve one 322, the inner side of sleeve one 322 is provided with the circular groove one 323 in communication with the conveying pipeline 321, the outer wall of sleeve one 322 is fixedly connected with a plurality of paint spraying heads 324 in uniform circumferential array, the inner wall of the installation cylinder 314 is fixedly connected with the air suction pipeline 331 for air suction, and the left end of the air suction pipeline 331 is connected with an air suction device, the side wall of the installation cylinder 314 is fixedly connected with sleeve two 332, the inner side of sleeve two 332 is provided with the circular groove two 333 in communication with the air suction pipeline 331, and the side wall of sleeve two 332 is fixedly connected with a plurality of air suction heads 334 in uniform circumferential array.

[0041] In the utility model, the movable end of the rodless cylinder 312 drives the mobile push plate 313 to drive the installation cylinder 314 to move at a constant speed on the inner wall of the steel pipe 11 under the limiting action of the limiting slide rod 315, paint is conveyed to the inner side of the circular groove one 323 on the inner wall of sleeve one 322 through the conveying pipeline 321, and finally the steel pipe 11 side wall is painted through the paint spraying head 324, realizing the uniform paint spraying of the steel pipe 11 inner wall, simultaneously, the air suction device generates negative pressure, the air suction head 334 sucks the floating paint into the inner side of sleeve two 332 and finally removes through the air suction pipeline 331, avoiding the pollution of the environment by the floating paint.

[0042] The above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced by equivalents; and these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A device for uniform spraying inside a steel pipe comprising a base plate (10), characterized in that, It also includes a rotating drive mechanism (2) and an environmentally friendly paint spraying mechanism (3); The bottom plate (10) is connected with a rotating drive mechanism (2) for placing and driving the steel pipe (11) to rotate at the upper end; the bottom plate (10) is connected with an environmentally friendly paint spraying mechanism (3) at the upper end; The environmentally friendly paint spraying mechanism (3) comprises a driving assembly (31) and an environmentally friendly paint spraying assembly (32), the driving assembly (31) for driving the environmentally friendly paint spraying assembly (32) to move is arranged on the left side of the rotating drive mechanism (2), and the driving assembly (31) is connected with the upper end of the bottom plate (10); the environmentally friendly paint spraying assembly (32) for spraying paint on the inner wall of the steel pipe (11) is connected on the left side of the driving assembly (31); and the environmentally friendly paint spraying assembly (32) is connected with the upper end of the bottom plate (10).

2. The apparatus for uniform spraying inside a steel pipe according to claim 1, wherein The rotating drive mechanism (2) comprises a bracket (21), a rotating shaft (22), a driving motor (23), a driving roller (24), a driven roller (25) and a transmission assembly, two brackets (21) are fixedly connected to the upper end of the bottom plate (10); the opposite side walls of the two brackets (21) are rotatably connected with the end portions of two rotating shafts (22); the left end of the left bracket (21) is fixedly connected with the driving motor (23); the output end of the driving motor (23) is fixedly connected with the left end of the front rotating shaft (22); the outer wall of the front rotating shaft (22) is fixedly connected with the driving roller (24); the outer wall of the rear rotating shaft (22) is fixedly connected with the driven roller (25); the right end of the front rotating shaft (22) is connected with the transmission assembly, and the right end of the rear rotating shaft (22) is connected with the left side of the transmission assembly.

3. The apparatus for uniform spraying inside a steel pipe according to claim 2, wherein The transmission assembly comprises a driving wheel (26), a driven wheel (27) and a synchronous belt (28), the right end of the front rotating shaft (22) is fixedly connected with the driving wheel (26); the right end of the rear rotating shaft (22) is fixedly connected with the driven wheel (27); and the driving wheel (26) is in transmission connection with the driven wheel (27) through the synchronous belt (28).

4. The apparatus for uniform spraying inside a steel pipe according to claim 1, wherein The driving assembly (31) comprises a mounting frame (311), a rodless cylinder (312), a moving push plate (313), a mounting cylinder (314) and a limiting sliding rod (315), the mounting frame (311) is fixedly connected to the left upper end of the bottom plate (10); the limiting sliding rod (315) is in sliding connection with the moving end of the rodless cylinder (312), and the left and right ends of the limiting sliding rod (315) are fixedly connected with the inner walls on the left and right sides of the mounting frame (311); the rodless cylinder (312) is fixedly connected to the upper end of the mounting frame (311); the output end of the rodless cylinder (312) is fixedly connected with the moving push plate (313); and the right side wall of the moving push plate (313) is fixedly connected with the mounting cylinder (314).

5. The apparatus for uniform spraying inside a steel pipe according to claim 4, wherein The environmentally friendly paint spraying assembly (32) comprises a paint spraying assembly and a floating paint removing assembly, and the paint spraying assembly is connected to the inner side of the mounting cylinder (314); and the floating paint removing assembly is connected to the inner side of the mounting cylinder (314).

6. The apparatus for uniform spraying inside a steel pipe according to claim 4, wherein The paint spraying assembly comprises a conveying pipe (321), a sleeve I (322) and a paint spraying head (324), the inner wall of the mounting cylinder (314) is fixedly connected with the conveying pipe (321) for conveying paint, and the outer wall of the conveying pipe (321) is fixedly connected with the sleeve I (322); the inner side of the sleeve I (322) is provided with a circular groove I (323) in communication with the conveying pipe (321); and the outer wall of the sleeve I (322) is fixedly connected with a plurality of paint spraying heads (324).

7. The apparatus for uniform spraying inside a steel pipe according to claim 6, wherein The paint spraying head (324) is in a uniform circumferential array.

8. The apparatus for uniform spraying inside a steel pipe according to claim 5, wherein The paint floating removal assembly comprises an air suction pipe (331), a sleeve II (332) and an air suction head (334), the inner wall of the mounting cylinder (314) is fixedly connected with the air suction pipe (331) for air suction, the left end of the air suction pipe (331) is connected with an air suction device; the side wall of the mounting cylinder (314) is fixedly connected with the sleeve II (332); the inner side of the sleeve II (332) is provided with a circular groove II (333) in communication with the air suction pipe (331); and the side wall of the sleeve II (332) is fixedly connected with a plurality of air suction heads (334) in a uniform circumferential array.

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