CN209663568U - Device for steel pipe spray painting - Google Patents

Abstract

The utility model discloses the device to paint for steel pipe, including workbench, for being laid with several steel pipes on the workbench, be parallel to each other laying between several steel pipes；It further include along the mobile mechanism I of steel pipe axial movement and along the mobile mechanism II of steel pipe radial motion, mobile mechanism I or mobile mechanism II are equipped with paint sprayer, drive paint sprayer along the axially and radially moving movement of steel pipe by mobile mechanism I or the cooperation of mobile mechanism II.The utility model is suitable for spraying the alternate steel pipe of dichromatism, is a kind of efficient automatic paint spraying apparatus that can satisfy the alternate steel pipe of dichromatism.

Description

Device for painting steel pipes

technical field

The utility model relates to the technical field of construction, in particular to a device for spraying paint on steel pipes.

Background technique

Due to the construction site, red and white or yellow and black steel pipes are generally used for erecting scaffolding protective fences, scissor supports and outer racks. Therefore, there is a huge demand for steel pipes of this color on the construction site, and at this stage, the production of two-color steel pipes is basically done by manual painting (or some painting equipment has unsightly painting effects and low production capacity), and The painting takes a long time and the efficiency is low, which leads to high labor costs, which is not conducive to rapid and large-scale input to the construction site.

At present, the existing steel pipe brushing (spraying) paint equipment in the market has a single function, and the same steel pipe can only be brushed (sprayed) with one color at a time, or when brushing (spraying) two-color steel pipes, it is difficult to achieve the desired effect. appearance effect. If the existing painting equipment is a steel pipe spraying machine, it is generally a steel pipe straightening, rust removal, and painting all-in-one machine or a painting machine with only the function of painting. chamber, so that it can be covered by paint, these equipment can only process one steel pipe at a time, and the steel pipe can only be painted with one color of paint when passing through the equipment.

Therefore, it is necessary to design a new type of steel pipe painting equipment that can efficiently replace manual painting and has a beautiful painting effect, thereby effectively reducing production costs and improving construction efficiency at the construction site.

Utility model content

The technical problem to be solved by the utility model is: in the prior art, manual or single-function paint spraying equipment is used to spray paint on steel pipes, the efficiency is low, the labor cost is high, and the appearance of the steel pipe after painting is beautiful. The utility model provides a solution The above-mentioned problem is used for the device of steel pipe painting.

The utility model is realized through the following technical solutions:

A device for spraying steel pipes, including a workbench on which several steel pipes are laid parallel to each other; it also includes a moving mechanism Ⅰ that moves axially along the steel pipes and a moving mechanism Ⅱ that moves radially along the steel pipes , The moving mechanism I or the moving mechanism II is equipped with a paint spray gun, and the moving mechanism I or the moving mechanism II cooperates to drive the paint spray gun to move along the axial and radial directions of the steel pipe.

The utility model is used to ensure that the paint spray gun sprays the same color or different colors along the axial direction of each steel pipe by setting the moving mechanism Ⅰ moving along the steel pipe axis; setting the moving mechanism Ⅱ moving along the steel pipe radial direction To ensure that the paint spray gun sprays the same extension along the radial direction of each steel pipe; through the cooperation of the moving mechanism Ⅰ or moving mechanism Ⅱ, the paint spray gun reciprocates along the radial or axial direction of the steel pipe, and the spraying operation is carried out at the same time, so as to realize the replacement of mechanical automation. Manually repeat tedious operations to increase the spraying effect; and each steel pipe is laid parallel to each other, and the moving mechanism Ⅰ or moving mechanism Ⅱ cooperates to drive the paint spray gun to move radially or axially along the steel pipe, which is conducive to ensuring uniform spraying of paint on the steel pipe and forming a smooth surface , the joints of two adjacent colors on the same steel pipe are straight and beautiful.

Further, if the paint spray gun is installed on the moving mechanism I, the paint spray gun is driven by the moving mechanism I to move axially along the steel pipe, and the moving mechanism II and the paint spray gun are driven by the moving mechanism II to move radially along the steel pipe; if the paint spray gun is set on the moving mechanism II As for the spray gun, the moving mechanism II drives the paint spray gun to move radially along the steel pipe, and the moving mechanism I drives the moving mechanism II and the paint spray gun to move axially along the steel pipe.

Whether the paint spray gun is set on the moving mechanism I or the paint spray gun is set on the moving mechanism II, the continuous movement of the paint spray gun above the steel pipe along the axial and radial direction of the steel pipe can be realized, which is convenient for spraying steel pipes according to the requirements (such as spraying a The length of the color in the axial direction of the steel pipe, etc.) is used for spraying operation, and the continuous and uniform spraying operation is carried out by controlling the running speed of the moving mechanism to ensure that the spraying effect is beautiful.

Further, the moving mechanism I or moving mechanism II for installing the paint spray gun adopts a ball screw mechanism, and the moving mechanism II or moving mechanism I adopts a gear and rack mechanism.

Since paint spray guns are used for spraying operations, the reciprocating operation of the moving mechanism Ⅰ or moving mechanism Ⅱ used to install the paint spray guns is relatively more frequent. In order to ensure the accuracy of painting control and operational stability, a ball screw mechanism is used to drive the paint spraying guns to spray. .

Further, the moving mechanism I includes a lead screw and a nut pair, and the moving mechanism II includes a rack, a gear and a guide rail; the rack and the guide rail are arranged on the worktable, and the extension direction of both is in line with the axis of the workbench. Parallel to the rack, the rack is equipped with a gear, and the guide rail is equipped with a slider; the axial ends of the screw are respectively connected to the gear and the slider through the connecting seat; the nut pair drives the paint spray gun to move axially along the screw .

First, the gear and rack mechanism drives the ball screw mechanism and the paint spray gun to move to the axially set position of the steel pipe, and then the ball screw mechanism drives the paint spray gun to move along the radial direction of the steel pipe, continuously to the uniformly arranged steel pipes. Radial painting, so it is beneficial to realize the continuous painting operation of multiple steel pipes, improve the painting efficiency, and prevent the frequent start-up of the paint spray gun from reducing the service life; finally, the gear and rack mechanism is adopted to distribute along the axial direction of the steel pipes, which can be docked in unlimited lengths Continuation to meet the painting operation of steel pipes of different lengths.

Further, several steel pipes are fixed by positioning dies, the axial direction of the positioning dies is perpendicular to the axial direction of the steel pipes, several positioning parts are arranged on the positioning dies, and several positioning parts are evenly distributed along the radial direction of the positioning dies, and each steel pipe clamps It is arranged on the corresponding positioning piece, and the connection between the steel pipe and the positioning piece allows the steel pipe to rotate around its axis as the rotation axis.

By setting the positioning mold, a plurality of steel pipes are evenly arranged at axial intervals along the positioning mold, and fixed on the corresponding positioning parts, and a layer of steel pipes to be painted is laid. There is a gap between two adjacent steel pipes, and paint is sprayed on the top of the steel pipes. During the process, the spray will move and spread along the circumference of the steel pipe to prevent unsightly problems such as gaps at the junction of the paint surfaces on both sides of the steel pipe before and after turning over. After painting the steel pipes on the side facing away from the workbench, turn the steel pipes to turn over and continue painting on the other side. During the rotation process, the steel pipes are prevented from tilting and the painting appearance is affected by the restriction of the positioning parts.

Further, at least two positioning dies are included, and a plurality of positioning dies are evenly distributed along the axial direction of the steel pipe.

On the one hand, it improves the fixing effect on multiple steel pipes. On the other hand, it facilitates the axial positioning of the paint spray gun on the steel pipes. It can spray a color on the steel pipes between two adjacent positioning moulds, and cover them with the positioning moulds. Spray another color.

Further, the positioning mold includes a lower clamping mold, the axial direction of the lower clamping mold is perpendicular to the axial direction of the steel pipe, and the upper surface of the lower clamping mold is provided with several lower grooves, and several lower grooves are evenly distributed along the axial direction of the lower clamping mold , the extension direction of each lower groove runs through the radial direction of the lower clamping mold; the lower groove is used for cladding or half cladding steel pipes.

Further, the positioning mold also includes an upper clamping mold adapted to the lower clamping mold, the lower clamping mold is detachably fixed on the workbench, and the upper clamping mold and the lower clamping mold are open-closed and movable; the upper clamping mold The lower surface of the mold is provided with an upper groove adapted to the lower groove, and the steel pipe runs through the cavity surrounded by the upper groove and the lower groove and is fixed.

The steel pipes are erected through the cooperation of the lower clamping mold and the upper mold clamping, and the steel pipes are arranged evenly at equal intervals. There is a gap between two adjacent steel pipes, and the steel pipes between two adjacent positioning molds are in an overhead state, which is convenient for painting along the circumference of the steel pipes. Diffuse to evenly coat the joints on both sides of the steel pipe. In addition, the lower clamping mold and the upper clamping mold constitute a positioning mold, and the lower groove and the upper groove are used as positioning parts. The structure is simple, the processing is convenient, the manufacturing cost is low, the operation process is simplified, and good economic benefits are obtained.

Further, it also includes an air compressor and a paint spraying diaphragm pump, the input end of the paint spraying diaphragm pump is connected with the paint storage equipment, and the output end is connected with the input end of the paint spray gun through a conduit; the air compressor is used for the paint spraying diaphragm pump Suction and discharge provide power.

The paint spray gun is automatically supplied by the air compressor and the paint diaphragm pump, which is beneficial to improve the painting efficiency.

Further, baffles are provided on the workbench at both axial ends of the steel pipe.

There are baffles on both axial ends of the steel pipe on the workbench, and the baffles can be fixed on both ends of the workbench by existing detachable connection methods such as screws and hinges, especially in the process of turning the steel pipe to prevent the steel pipe from breaking Axial position offset affects the appearance of painting.

The utility model has the following advantages and beneficial effects:

At present, the existing steel pipe brushing (spraying) paint equipment in the market has a single function, and the same steel pipe can only be brushed (sprayed) with one color at a time, or when brushing (spraying) two-color steel pipes, it is difficult to achieve the desired effect. appearance effect. And only by manually completing the painting work of a huge number of two-color steel pipes, it is inevitable that sometimes it cannot be supplied in time, and the labor cost is high, and the production efficiency is low. It is imperative.

The utility model is suitable for spraying two-color steel pipes, and is a high-efficiency automatic painting equipment that can meet the requirements of two-color steel pipes. Through automatic painting, the surface of steel pipes can be quickly painted, and the operation of this painting machine is compared with manual painting. It has the characteristics of fast painting speed, high efficiency, labor saving and time saving, which can effectively reduce the production cost, and the steel pipe after painting has uniform color and clean appearance. Therefore, the emergence of this new type of painting equipment solves the phenomenon that the steel pipe brushing (spraying) painting equipment in the market has a single function, and effectively makes up for this gap.

Description of drawings

The drawings described here are used to provide a further understanding of the embodiments of the utility model, constitute a part of the application, and do not constitute a limitation to the embodiments of the utility model. In the attached picture:

Fig. 1 is the side view structural representation of the utility model;

Fig. 2 is the top view structural representation of the utility model;

Fig. 3 is a schematic structural diagram of a ball screw mechanism of the present invention;

Fig. 4 is the schematic diagram of the three-dimensional structure of the positioning mold of the present invention;

Fig. 5 is a structural schematic diagram of the steel pipe after painting of the utility model.

The marks in the drawings and the names of corresponding parts: 1-worktable, 2-steel pipe, 3-paint spray gun, 4-lead screw, 5-nut pair, 6-rack, 7-gear, 8-guide rail, 9- Slide block, 10-connecting seat, 11-positioning mold, 111-bottom clamping mold, 112-lower groove, 113-upper clamping mold, 114-upper groove, 12-air compressor, 13-painting diaphragm pump, 14 - Conduit, 15 - Baffle.

Detailed ways

In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the examples and accompanying drawings. The schematic implementation of the utility model and its description are only used to explain the utility model Novelty, not as a limitation to the utility model.

Example 1

The utility model provides a device for spraying paint on steel pipes, including a workbench 1, which can be composed of a tabletop and outriggers. Laying parallel to each other, there is no need to limit whether the height of the horizontal plane where the steel pipes 2 are located or whether the adjacent steel pipes 2 are in contact; it also includes the moving mechanism Ⅰ that moves axially along the steel pipe 2 and the moving mechanism Ⅱ that moves radially along the steel pipe 2, and the moving mechanism Ⅰ Or the moving mechanism II is provided with a paint spray gun 3, and the paint spray gun 3 is driven to move along the axial and radial directions of the steel pipe 2 through the cooperation of the moving mechanism I or the moving mechanism II. A moving mechanism I that moves axially along the steel pipes 2 is provided to ensure that the paint spray gun 3 sprays the same color or different colors along the axial direction of each steel pipe 2; a moving mechanism II that moves radially along the steel pipes 2 is provided to use In order to ensure that the paint spray gun 3 sprays the same extension along the radial direction of each steel pipe 2; through the cooperation of the moving mechanism I or the moving mechanism II, the paint spray gun reciprocates along the radial or axial direction of the steel pipe 2, and the spraying operation is carried out at the same time. Mechanical automation replaces manual repetitive tedious operations to increase the spraying effect; and the steel pipes 2 are laid parallel to each other, and the moving mechanism Ⅰ or moving mechanism Ⅱ cooperates to drive the paint spray gun to move radially or axially along the steel pipe 2, which is beneficial to ensure uniform spraying on the steel pipe 2 Paint to form a smooth surface, and the joints of two adjacent colors on the same steel pipe 2 are straight and beautiful. The moving mechanism Ⅰ and the moving mechanism Ⅱ can be an integral moving structure arranged on the top of the steel pipe 2 and criss-crossing. If both adopt a track structure, the paint spray gun 3 is provided with electrically driven walking wheels to automatically walk along the track structure; or if The structure described in embodiment 2.

Example 2

Further improvement on the basis of Example 1, if the paint spray gun 3 is set on the moving mechanism I, the paint spray gun 3 is driven by the moving mechanism I to move axially along the steel pipe 2, and the moving mechanism I and the paint spray gun 3 are driven by the moving mechanism II to move along the steel pipe 2 radial movement; if the paint spray gun 3 is set on the moving mechanism II, the paint spray gun 3 is driven by the moving mechanism II to move radially along the steel pipe 2, and the moving mechanism II and the paint spray gun 3 are driven by the moving mechanism I to move axially along the steel pipe 2.

Whether the paint spray gun 3 is set on the moving mechanism I or the paint spray gun 3 is set on the moving mechanism II, the continuous movement of the paint spray gun above the steel pipe 2 along the axial and radial directions of the steel pipe 2 can be realized, which is convenient for spraying the steel pipe 2 according to the requirements (such as spraying the length of a color in the axial direction of the steel pipe 2, etc.) to carry out spraying operations, and to carry out continuous and uniform spraying operations by controlling the running speed of the moving mechanism to ensure that the spraying effect is beautiful.

Example 3

Further improvement on the basis of embodiment 2, the moving mechanism I or moving mechanism II for installing the paint spray gun 3 adopts a ball screw mechanism, and the moving mechanism II or moving mechanism I adopts a gear and rack mechanism. Since the paint spray gun 3 is used for the spraying operation, the reciprocating operation of the moving mechanism Ⅰ or moving mechanism Ⅱ used to install the paint spray gun 3 is relatively more frequent. In order to ensure the painting control accuracy and operation stability, a ball screw mechanism is used to drive the paint spray gun. 3 painting operations.

As an optimal solution, the moving mechanism II for installing the paint spray gun 3 adopts a ball screw mechanism to drive the paint spray gun 3 to move radially along the steel pipe 2, and the moving mechanism I uses a gear and rack mechanism to drive the moving mechanism II and the paint spray gun 3 Move along the axial direction of steel pipe 2. Specifically, the moving mechanism I includes a lead screw 4 and a nut pair 5, and the moving mechanism II includes a rack 6, a gear 7, and a guide rail 8; the rack 6 and the guide rail 8 can be fixed on the table surface of the workbench 1 by screw connection. , and both extension directions are parallel to the axial direction of the workbench 1, the rack 6 is equipped with a gear 7, and the guide rail 8 is equipped with a slider 9; both axial ends of the screw 4 pass through the bearings Rotationally connected with the connecting seat 10, the connecting seat 10 at one end of the screw 4 is connected with the gear 7 through the connecting plate, and the gear 7 is driven by the motor to rotate and move along the rack 6, and the other end of the screw 4 is connected to the slider 9 Connected, the slider 9 moves axially along the guide rail 8 to play a supporting and guiding role, and the gear 7 moves along the rack 6 to drive the ball screw mechanism and the paint spray gun 3 to move axially along the steel pipe 2; then the motor drives the screw 4 to rotate , converted into the movement of the nut pair 5 along the axis of the lead screw 4 to realize the radial movement of the paint spray gun 3 along the steel pipe 2 .

First, the gear and rack mechanism drives the ball screw mechanism and the paint spray gun 3 to move to the axially set position of the steel pipe 2, and then the ball screw mechanism drives the paint spray gun 3 to move radially along the steel pipe 2, continuously and evenly arranged Radial painting of all the steel pipes 2, so it is beneficial to realize the continuous painting operation of multiple steel pipes 2, improve the painting efficiency, and prevent the frequent start of the paint spray gun 3 from reducing the service life; finally, adopt the gear and rack mechanism along the steel pipe 2 Axial distribution, butt connection can be extended indefinitely, so as to satisfy the painting operation for steel pipes 2 of different lengths.

Example 4

Further improvement on the basis of embodiment 3, a plurality of steel pipes 2 are fixed by a positioning mold 11, the axial direction of the positioning mold 11 is perpendicular to the axial direction of the steel pipe 2, and the positioning mold 11 is provided with a plurality of positioning molds whose number is the same as that of the steel pipes 2. The positioning piece can be integrally formed with the positioning mold 11 or a post-processing connection structure. A plurality of positioning pieces are evenly distributed along the radial direction of the positioning mold 11. Each steel pipe 2 is set on the corresponding positioning piece, and the steel pipe 2 The connection with the positioning piece allows the steel pipe 2 to rotate relative to the positioning mold with its axis as the axis of rotation.

By setting the positioning mold, a plurality of steel pipes 2 are evenly arranged at intervals along the axial direction of the positioning mold, and are fixed on the corresponding positioning parts. A layer of steel pipes 2 to be painted is laid, and there is a gap between two adjacent steel pipes 2. During the painting process above the steel pipe 2, the spray will move and spread along the circumference of the steel pipe 2 to prevent unsightly problems such as gaps in the joints of the paint surfaces on both sides of the steel pipe 2 before and after turning over. After painting the steel pipes 2 on the side facing away from the workbench 1, turn the steel pipes 2 over to continue painting on the other side. During the rotation, the radial position deviation of the steel pipes 2 is prevented by the restriction of the positioning parts. , Affect the appearance of spray paint.

Preferably, the painting equipment includes at least two positioning dies 11, a plurality of positioning dies 11 are evenly distributed along the axial direction of the steel pipe 2, on the one hand, it improves the fixing effect on the multiple steel pipes 2, and on the other hand, it facilitates the installation of the paint spray gun 3 on the steel pipe 2 The axial positioning of the painting operation can spray a color on the steel pipe 2 between two adjacent positioning molds 11, and spray another color at the position covered by the positioning molds 11.

Example 5

Further improvement on the basis of Embodiment 4, the positioning mold 11 includes a lower clamping mold 111 in a cuboid plate-like structure, the axial direction of the lower clamping mold 111 is perpendicular to the axial direction of the steel pipe 2, and the upper surface of the lower clamping mold 111 has a number of A plurality of lower grooves 112 having the same number as the steel pipe 2, the radial section of the lower grooves 112 has a semicircular structure, and the plurality of lower grooves 112 are evenly spaced along the axial direction of the lower clamping mold 111, and each lower groove The extension direction of 112 runs through the radial direction of the lower mold 111 ; the lower groove 112 is used for half-clad steel pipe 2 .

The positioning mold 11 also includes an upper clamping mold 113 adapted to the lower clamping mold 111, the lower clamping mold 111 is detachably fixed on the workbench 1 by bolts, and one axial end of the upper clamping mold 113 is hinged to the lower clamping mold 111 through a hinge Connection, direct movable contact with the other side of the axial direction; the lower surface of the upper clamping mold 113 is provided with an upper groove 114 that is adapted to the lower groove 112, and the steel pipe 2 fits through the circle formed by the upper groove 114 and the lower groove 112 The cylindrical chamber is fixed.

The steel pipes 2 are set up by the cooperation of the lower clamping mold 111 and the upper clamping mold 113, and the steel pipes 2 are evenly arranged at equal intervals. There is a gap between two adjacent steel pipes 2, and the steel pipes 2 between two adjacent positioning molds 11 are in an overhead state. It is convenient for spray paint to diffuse along the circumferential direction of the steel pipe 2, and evenly coat the seams of both sides of the steel pipe 2. And the lower clamping mold 111 and the upper clamping mold 113 constitute the positioning mold 11, and the lower groove 112 and the upper groove 114 are used as positioning parts, which have simple structure, convenient processing, low manufacturing cost, simplified operation process, and good economic benefits; in addition, The lower clamping mold 111 and the upper clamping mold 113 cooperate to cover the steel pipe 2, so that the unpainted part on the steel pipe 2 will not be polluted by paint spray. After the first color is sprayed, switch the covering part of the mold 11 to cover the steel pipe 2 The sprayed part is exposed to the unpainted part, and the painting operation is repeated to complete the painting operation of the unsprayed part. The two-color size standard of general construction scaffolding steel pipes is 30cm apart, and the radial width of the positioning mold is set to the interval length of the two-color sizes. The effect after spraying can meet the standard requirements.

Example 6

Further improvement on the basis of embodiment 5, the painting equipment also includes an air compressor 12 and a paint spraying diaphragm pump 13, the input end of the paint spraying diaphragm pump 13 is connected with the paint storage equipment, the output end passes through the input of the conduit 14 and the paint spray gun 3 End connection; the air compressor 12 is used to provide power for the suction and discharge of the painting diaphragm pump 13. The paint spray gun 3 is automatically fed by the air compressor 12 and the paint spraying diaphragm pump 13, which is beneficial to improve the painting efficiency. Be positioned at the two axial ends of steel pipe 2 on workbench 1 and be provided with baffle plate 15, baffle plate 15 can be fixed on the two ends of workbench 1 by existing detachable connection means such as screw, hinge, especially when turning steel pipe 2 During the process, the axial position of the steel pipe 2 is prevented from shifting, which affects the appearance of the painting.

Finally, a paint collection tank can also be arranged on the middle part of the table top of the workbench 1 and below the steel pipe 2. After the painting operation is completed, the field clearing process or regular cleaning will not affect the operation of the equipment; in addition, the equipment control part (such as the motor), The running parts (such as gears, racks, lead screws, positioning molds, etc.) are covered and wrapped to avoid paint spray pollution and affect the operation.

The novel steel pipe painting equipment that embodiment 6 provides, the concrete implementation mode is as follows:

Step 1, arrange the steel pipes to be painted in the positioning mold on the workbench at equal intervals and in parallel along the radial direction of the workbench;

Step 2, drive the paint diaphragm pump to work through the air compressor, so that the paint of the first color is sprayed out from the spray gun;

Step 3, complete the axial and radial movement of the paint spray gun above the steel pipe plane through the axial rack and pinion movement and the radial ball screw movement;

Step 4, when the painting on the upper side of the steel pipe is completed, flip the steel pipe so that the part of the steel pipe facing the side of the workbench faces up, and continue the painting operation;

Step 5: After the painting operation is completed on the part of the steel pipe not covered by the positioning mold, switch the covering surface of the positioning mold to cover the sprayed part, exposing the unpainted part, and repeat the above operation to complete the second color painting operation.

The specific embodiments described above have further described the purpose, technical solutions and beneficial effects of the present utility model in detail. Within the protection scope of the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims (10)

1. for the device of steel pipe spray painting, including workbench (1), which is characterized in that it is several for being laid on the workbench (1) Steel pipe (2), be parallel to each other between several steel pipes (2) laying；It further include along the mobile mechanism I of steel pipe (2) axial movement and along steel pipe (2) mobile mechanism II of radial motion, mobile mechanism I or mobile mechanism II are equipped with paint sprayer (3), pass through mobile mechanism I Or the cooperation of mobile mechanism II drives paint sprayer (3) along the axially and radially moving movement of steel pipe (2).

2. the device according to claim 1 for steel pipe spray painting, which is characterized in that if paint is arranged in mobile mechanism I Spray gun (3) then drives paint sprayer (3) to move axially along steel pipe (2) by mobile mechanism I, drives moving machine by mobile mechanism II Structure I and paint sprayer (3) are moved radially along steel pipe (2)；If paint sprayer (3) are arranged in mobile mechanism II, by mobile mechanism II drives paint sprayer (3) to move radially along steel pipe (2), drives mobile mechanism II and paint sprayer (3) along steel by mobile mechanism I Manage (2) axial movement.

3. the device according to claim 2 for steel pipe spray painting, which is characterized in that for installing paint sprayer (3) Mobile mechanism I or mobile mechanism II use ball screw framework, and mobile mechanism II or mobile mechanism I use gear and rack machine Structure.

4. the device according to claim 3 for steel pipe spray painting, which is characterized in that the mobile mechanism I includes lead screw (4) and pair of nut (5), mobile mechanism II include rack gear (6), gear (7) and guide rail (8)；The rack gear (6) and guide rail (8) are set In on workbench (1) and the extending direction of the two is axial parallel with workbench (1), adaptation is equipped with gear on rack gear (6) (7), adaptation is equipped with sliding block (9) on guide rail (8)；The axial ends of lead screw (4) by attachment base (10) respectively with gear (7) and sliding Block (9) connection；Pair of nut (5) drives paint sprayer (3) to move axially along lead screw (4).

5. the device according to claim 1 for steel pipe spray painting, which is characterized in that several steel pipes (2) use positioning mould Have that (11) are fixed, the axial direction of the positioning mold (11) and steel pipe (2) it is axially vertical, positioning mold (11) is equipped with several fixed Position part, along the radially uniform distribution of positioning mold (11), each steel pipe (2) is fastened on corresponding locating piece to be set several locating pieces It sets, and steel pipe (2) and locating piece junction allow steel pipe (2) using its axial line as rotary shaft rotational motion.

6. the device according to claim 5 for steel pipe spray painting, which is characterized in that including at least two positioning molds (11), multiple positioning molds (11) are axially uniformly distributed along steel pipe (2).

7. the device according to claim 5 for steel pipe spray painting, which is characterized in that under the positioning mold (11) includes It molds (111), lower molding (111) is axial axially vertical with steel pipe (2), and described lower molding (111) upper surface offers several Lower groove (112), several lower grooves (112) are axially uniformly distributed along lower molding (111), each lower groove (112) extending direction Through the radial direction of lower molding (111)；Lower groove (112) is for coating or partly coating steel pipe (2).

8. the device according to claim 7 for steel pipe spray painting, which is characterized in that the positioning mold (11) further includes The upper molding (113) being adapted to lower molding (111), lower molding (111) are detachably secured on workbench (1), upper molding (113) Movable connection is opened and closed between lower molding (111)；Described upper molding (113) lower surface is offered to be adapted to lower groove (112) Upper groove (114), the steel pipe (2) fixes through the chamber that upper groove (114) and lower groove (112) surround.

9. it is according to claim 1 for steel pipe spray painting device, which is characterized in that further include air compressor (12) and It paints diaphragm pump (13), the input terminal of spray painting diaphragm pump (13) is connect with storage painting equipment, output end passes through conduit (14) It is connect with the input terminal of paint sprayer (3)；The air compressor (12) is used to mention for spray painting diaphragm pump (13) suction and discharging For power.

10. the device according to claim 1 for steel pipe spray painting, which is characterized in that be located at steel on the workbench (1) The axial ends for managing (2) is equipped with baffle (15).