A galvanized pipe anticorrosion spraying device

By designing a turntable and motion control mechanism, combined with spraying components and internal support components, the problems of single spraying angle and low efficiency in galvanized pipe spraying devices were solved, achieving uniform spraying and efficient production of galvanized pipe surfaces.

CN120940127BActive Publication Date: 2025-12-05SHANGHAI TYKELONG VALVE CO LTD
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Patent Information

Application Number
CN202511470612.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-10-15
Publication Date
2025-12-05
Estimated Expiration
2045-10-15

AI Technical Summary

Technical Problem

Existing galvanized pipe spraying equipment has a single spraying angle, low production efficiency, and difficulty in ensuring uniform spraying of each part.

Method used

A galvanized pipe anti-corrosion spraying device was designed, which uses a turntable and motion control mechanism, combined with spraying components and internal support components, to achieve uniform spraying of galvanized pipes.

Benefits of technology

It achieves uniform coating on the surface of galvanized pipes, improves production efficiency, adapts to the flexibility of galvanized pipes of different sizes, and avoids jamming problems during the coating process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a galvanized pipe anticorrosion spraying device and relates to the galvanized pipe spraying technical field; the device comprises a base, a rotary table is rotatably installed on the base, a plurality of mounting seats are arranged on the rotary table and are distributed in a circle with the rotary table center as the center, an inner support assembly for fixing the galvanized pipe is arranged on the mounting seat, a rotary driving part for driving the rotary table to rotate is installed on the base, a support frame is arranged on one side of the base, an extension frame is installed on one side of the top of the support frame, and a spraying assembly is installed on the extension frame. The spraying assembly is arranged, the galvanized pipe is sent to the spraying station, the rotary table is driven to rotate under the control of the motion control mechanism, the vertical cylinder and the spraying tank are synchronously driven to rotate, the spiral chute with the multi-spiral structure is arranged on the outside of the spraying tank, the spraying tank can move downward based on the relative sliding of the ball head rod along the inner wall of the spiral chute while the spraying tank rotates, and each nozzle can more uniformly perform the spraying operation on the outer surface of the galvanized pipe.
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Description

Technical Field

[0001] This invention relates to the field of galvanized pipe spraying technology, and more particularly to a galvanized pipe anti-corrosion spraying device. Background Technology

[0002] In modern industrial production, galvanized pipes, as an important metallic material, are widely used in many fields such as construction, machinery manufacturing, and petrochemicals. Due to their complex operating environments, often exposed to harsh conditions such as humidity and corrosion, effective anti-corrosion treatment is necessary to extend their service life and ensure structural stability. Currently, one common anti-corrosion method for galvanized pipes is to use a spray coating process to apply a protective paint film to their outer surface.

[0003] Traditional galvanized pipe spraying methods typically use fixed spraying angles and positions, making it difficult to ensure that every part receives sufficient and uniform coating coverage.

[0004] A search revealed Chinese patent application CN202220108623.0, which discloses a spraying device for galvanized pipe processing. The device includes a base with a circumferentially distributed mounting frame on the base. It also includes a spraying mechanism mounted on the mounting frame, a guide mechanism on one side of the mounting frame near the spraying mechanism, and a moving mechanism on the base for moving the galvanized pipe and adjusting its spraying position. The moving mechanism also includes a clamping mechanism. The spraying device described in the above-mentioned document has the following shortcomings: although it has a spraying function, the spraying angle is limited, resulting in low production efficiency. Summary of the Invention

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a galvanized pipe anti-corrosion spraying device.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A galvanized pipe anti-corrosion spraying device includes a base, on which a turntable is rotatably mounted. Multiple mounting seats are arranged circumferentially about the center of the turntable on the turntable. The mounting seats are provided with internal support components for fixing the galvanized pipe. A rotation drive unit for driving the turntable to rotate is installed on the base.

[0008] A support frame is provided on one side of the base, and an extension frame is installed on the top side of the support frame. A spraying assembly is installed on the extension frame, and the spraying assembly includes:

[0009] The spray can has a ring-shaped bottom and uniformly distributed nozzles are installed at the bottom of the spray can. When the mounting base moves to the spraying station, each nozzle is located on the upper outer side of the galvanized pipe.

[0010] The vertical cylinder is installed on the top of the spray tank. The top of the vertical cylinder is connected to the paint supply system through a connecting pipe. Side guide rods are fixed on both sides of the top of the vertical cylinder, and one end of the side guide rod is fixed to the top of the spray tank.

[0011] The ring frame is fixed to the top of the extension frame by a bracket. The ring frame is located on the outside of the vertical tube. A ring seat is fixed to the bottom of the ring frame. A rotating wheel is rotatably installed on the inner side of the ring seat. A guide hole is opened on the rotating wheel. The side guide rod is slidably connected to the inner wall of the guide hole. The ring frame and the rotating wheel are connected by a first torsion spring.

[0012] The ball head rod is fixed at one end to the extension frame. The spray can has circumferentially distributed spiral grooves. One end of the ball head rod is slidably connected to the spiral grooves. The number of spiral grooves is adapted to the ball head rod, and the pitch of each spiral groove is the same.

[0013] Motion control mechanism, used to control the rotation of the wheel.

[0014] As a preferred embodiment of the present invention: the motion control mechanism includes a drive shaft, a side bracket is mounted on one side of the support frame, and the drive shaft is rotatably mounted on the side bracket; a synchronous pulley is fixed on the top of the drive shaft, and the synchronous pulley is connected to the rotating wheel through a synchronous belt; the drive shaft and the turntable are linked by a rotation linkage component; when the turntable rotates, the drive shaft is driven to rotate based on the rotation linkage component.

[0015] As a preferred embodiment of the present invention: the rotation linkage assembly includes a linkage wheel, which is mounted on a transmission shaft, and evenly distributed levers are provided on the outer side of the linkage wheel; columns distributed along an arc are mounted on the turntable, the levers are located on the movement path of the columns, and the distribution spacing of the columns is adapted to each lever; the linkage wheel and the side support are connected by a second torsion spring.

[0016] As a preferred embodiment of the present invention: the turntable is provided with an arc-shaped slide rail running vertically through it, an arc-shaped guide rod is installed on the inner side of the arc-shaped slide rail, and a mounting seat is slidably installed on the outer wall of the arc-shaped guide rod. The mounting seat and the inner wall of one end of the arc-shaped slide rail are connected by an arc-shaped spring. A protruding post is fixed at the bottom of the mounting seat, and a blocking component is installed on the support frame. The blocking component is located on the movement path of the protruding post. An unlocking component is installed on the turntable to release the blocking effect of the blocking component.

[0017] As a preferred embodiment of the present invention: the blocking component includes a stand, which is fixed to a support frame, and a baffle is slidably connected to the outer wall of the stand. The baffle is located on the movement path of the protruding column, and the baffle and the stand are connected by a support spring.

[0018] As a preferred embodiment of the present invention: the unlocking component includes a mounting plate, which is mounted on the outer wall of the bottom of the turntable. A guide frame is mounted on the bottom of the mounting plate. The guide frame has a V-shaped structure, and the top surface of the stop frame has an arc-shaped structure. The stop frame is located on the movement path of the guide frame, and the guide frame is located behind the direction of movement of the convex column.

[0019] As a preferred embodiment of the present invention: the top of the turntable is provided with circumferentially distributed mounting holes, the column is detachably mounted on the mounting holes, the bottom of the turntable is provided with mounting grooves distributed along the arc, the top of the mounting plate of the guide frame is provided with a locking block, and the mounting plate is detachably mounted in the mounting groove through the locking block.

[0020] As a preferred embodiment of the present invention: the rotation drive unit includes a drive motor, which is mounted on a base. The output end of the drive motor is connected to a drive gear. A driven gear is mounted on the turntable, and the driven gear meshes with the drive gear.

[0021] As a preferred embodiment of the present invention, the inner support component includes:

[0022] An electric telescopic cylinder is installed inside the mounting base. A center rod is installed on the output end of the electric telescopic cylinder, and the center rod passes through the mounting base.

[0023] The lower support is mounted on the top of the mounting base, and the side of the lower support is hinged with circumferentially distributed lower support arms.

[0024] The upper support is located outside the central rod and its movement is controlled by the central rod. The upper support has circumferentially distributed upper support arms hinged to its side. One end of the upper support arm is hinged to the lower support arm, and the upper and lower support arms form a V-shaped structure.

[0025] As a preferred embodiment of the present invention, the upper support is slidably connected to the outer wall of the central rod, and the upper support and the central rod are connected by a connecting spring.

[0026] The beneficial effects of this invention are as follows:

[0027] This invention, by setting up a spraying assembly, enables the galvanized pipe to be installed on the mounting base. Based on the rotation of the turntable, the galvanized pipe is delivered to the spraying station. Under the control of the motion control mechanism, the rotating wheel rotates. Since the side guide rod is installed in the guide hole of the rotating wheel, it can synchronously drive the vertical cylinder and the spraying can to rotate. Since the outer side of the spraying can is provided with a spiral groove with a multi-spiral structure, the ball head rod can slide relative to the inner wall of the spiral groove while the spraying can rotate, allowing the spraying can to move downwards, so that each nozzle can spray the outer surface of the galvanized pipe more evenly.

[0028] This invention, by setting up a motion control mechanism, can drive the linkage wheel to rotate based on the rotation of the turntable by using the column to move the lever. Under the structural transmission, the height of the spraying assembly is ultimately controlled to change while rotating, so as to meet the needs of the spraying operation.

[0029] This invention, through the design of arc-shaped guide rods, baffles, and guide frames, enables the installation seat to be transported to the spraying station during turntable rotation. The baffles prevent the installation seat from advancing further, while the turntable continues to move. The movement of the spray can is controlled by the transmission of the columns and other structures, ensuring the galvanized pipe remains stationary at the spraying station throughout the process. As the turntable continues to move, the lever separates from the column, and the structure resets based on the first and second torsion springs. The guide frame then contacts the baffle. Because the guide frame has a V-shaped structure, it presses the baffle downwards, disengaging it from the protrusion. The installation seat then resets based on the rebound force of the arc-shaped springs. During this process, the turntable does not need to stop, thus achieving highly efficient spraying operations.

[0030] This invention, through mounting holes and mounting slots, allows for adjustment of the mounting positions of the columns and guide frames according to actual needs, thereby controlling the movement and stopping timing of structures such as mounting bases and spray cans, and improving flexibility.

[0031] This invention, by setting an inner support assembly, allows the galvanized pipe to be placed outside the inner support assembly, and the bottom end of the galvanized pipe to contact the top surface of the mounting base. Based on the operation of the electric telescopic cylinder, the upper support is driven to move closer to the lower support. At this time, the ends of the upper support arm and the lower support arm that are connected move away from the central rod, thereby effectively supporting the inner wall of the galvanized pipe.

[0032] By incorporating a connecting spring and other structures, this invention enables the upper and lower support arms to support the inner wall of the galvanized pipe. If the output end of the electric telescopic cylinder is still retracting, the central rod moves downward, and the connecting spring is stretched, thus avoiding the problem of structural jamming. Furthermore, due to the increased overall stroke of the upper support arm, it can better adapt to galvanized pipes of different sizes. Attached Figure Description

[0033] Figure 1 This is a schematic diagram of the structure of a galvanized pipe anti-corrosion spraying device proposed in this invention;

[0034] Figure 2 This is a schematic diagram of the structure of the lever and column of the anti-corrosion spraying device for galvanized pipe proposed in this invention;

[0035] Figure 3 This is a schematic diagram of the structure of the retainer and protruding column of the anti-corrosion spraying device for galvanized pipe proposed in this invention;

[0036] Figure 4This is a cross-sectional structural schematic diagram of the spraying component of a galvanized pipe anti-corrosion spraying device proposed in this invention;

[0037] Figure 5 This is a schematic diagram of the structure of a galvanized pipe anti-corrosion spraying device with the rotor and side guide rod separated according to the present invention;

[0038] Figure 6 This is a schematic diagram of the internal support component of a galvanized pipe anti-corrosion spraying device proposed in this invention.

[0039] In the diagram: 1-Base; 2-Driven gear plate; 3-Turntable; 4-Mounting base; 5-Galvanized pipe; 6-Electric telescopic cylinder; 7-Column; 8-Spray can; 9-Drive shaft; 10-Arc-shaped guide rod; 11-Support frame; 12-Drive gear; 13-Drive motor; 14-Pulley; 15-Linkage wheel; 16-Synchronous pulley; 17-Synchronous belt; 18-Arc-shaped spring; 19-Upright frame; 20-Mounting slot; 21-Guide frame; 22-Support spring 23-Spring; 24-Block; 25-Protruding post; 26-Upright cylinder; 27-Side guide rod; 28-Ring frame; 29-Ring seat; 30-Helical groove; 31-Extension frame; 32-Nozzle; 33-Ball head rod; 34-Rotating wheel; 35-First torsion spring; 36-Connecting pipe; 37-Guide hole; 38-Lower support; 39-Upper support arm; 40-Center rod; 41-Connecting spring; 42-Lower support arm; 43-Mounting hole. Detailed Implementation

[0040] The technical solution of the present invention will be further described in detail below with reference to specific embodiments.

[0041] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0042] Example 1:

[0043] A galvanized pipe anti-corrosion spraying device, such as Figure 1-6 As shown, it includes a base 1, on which a turntable 3 is rotatably mounted. The turntable 3 is provided with a plurality of mounting seats 4 arranged in a circle about the center of the turntable 3. The mounting seats 4 are provided with an inner support assembly for fixing the galvanized pipe 5. A rotation drive unit for driving the turntable 3 to rotate is installed on the base 1.

[0044] A support frame 11 is provided on one side of the base 1, and an extension frame 30 is installed on the top side of the support frame 11. A spraying assembly is installed on the extension frame 30, and the spraying assembly includes:

[0045] The spray can 8 has a ring-shaped bottom and is equipped with uniformly distributed spray nozzles 31 at the bottom. When the mounting base 4 moves to the spraying station, each spray nozzle 31 is located on the upper outer side of the galvanized pipe 5.

[0046] Vertical cylinder 25 is installed on the top of spray tank 8. The top of vertical cylinder 25 is connected to the paint supply system through connecting pipe 35. Side guide rods 26 are fixed on both sides of the top of vertical cylinder 25, and one end of the side guide rod 26 is fixed to the top of spray tank 8.

[0047] The annular frame 27 is fixed to the top of the extension frame 30 by a bracket. The annular frame 27 is located outside the vertical cylinder 25. An annular seat 28 is fixed to the bottom of the annular frame 27. A rotating wheel 33 is rotatably installed on the inner side of the annular seat 28. A guide hole 36 is opened on the rotating wheel 33. The side guide rod 26 is slidably connected to the inner wall of the guide hole 36. The annular frame 27 and the rotating wheel 33 are connected by a first torsion spring 34.

[0048] Ball head rod 32, one end of ball head rod 32 is fixed on extension frame 30, and the spray can 8 is provided with circumferentially distributed spiral grooves 29. One end of ball head rod 32 is slidably connected in the spiral grooves 29. The number of spiral grooves 29 is adapted to the number of ball head rods 32; and the pitch of each spiral groove 29 is the same.

[0049] Motion control mechanism, used to control the rotation of the rotating wheel 33;

[0050] By setting up the spraying assembly, the galvanized pipe 5 can be installed on the mounting base 4. Based on the movement of the turntable 3, the galvanized pipe 5 is sent to the spraying station. Under the control of the motion control mechanism, the rotating wheel 33 rotates. Since the side guide rod 26 is installed in the guide hole 36 of the rotating wheel 33, it can synchronously drive the vertical cylinder 25 and the spraying tank 8 to rotate. Since the outer side of the spraying tank 8 is provided with a spiral groove 29 with a multi-spiral structure, the ball head rod 32 can slide relative to the inner wall of the spiral groove 29 while the spraying tank 8 is rotating, so that the spraying tank 8 can move downward, so that each nozzle 31 can spray the outer surface of the galvanized pipe 5 more evenly.

[0051] To facilitate the rotation of the drive wheel 33; such as Figure 2 , Figure 4 As shown, the motion control mechanism includes a drive shaft 9, a side bracket is mounted on one side of the support frame 11, and the drive shaft 9 is rotatably mounted on the side bracket; a synchronous pulley 16 is fixed to the top of the drive shaft 9, and the synchronous pulley 16 is connected to the rotating wheel 33 through a synchronous belt 17; the drive shaft 9 and the turntable 3 are linked by a rotation linkage assembly; when the turntable 3 rotates, the drive shaft 9 is driven to rotate based on the rotation linkage assembly.

[0052] In addition, the timing pulley 16, timing belt 17 and pulley 33 can also be replaced with tooth and tooth chain drive connection, or other conventional drive connection methods, which will not be elaborated here.

[0053] To facilitate the rotation of the drive shaft 9; such as Figure 2 As shown, the rotation linkage assembly includes a linkage wheel 15, which is mounted on the transmission shaft 9. Evenly distributed levers 14 are arranged on the outer side of the linkage wheel 15. The turntable 3 is equipped with columns 7 distributed along an arc. The levers 14 are located on the movement path of the columns 7, and the spacing between the columns 7 is adapted to the distribution of each lever 14. The linkage wheel 15 and the side support are connected by a second torsion spring.

[0054] By setting up a motion control mechanism, based on the rotation of the turntable 3, the column 7 can be used to move the lever 14, which in turn drives the linkage wheel 15 to rotate. Under the structural transmission, the height of the spraying assembly is ultimately controlled to change while rotating, so as to meet the needs of the spraying operation.

[0055] To ensure that mounting bracket 4 remains in its original position as much as possible during spraying; such as Figure 2 , Figure 3 As shown, the turntable 3 has an arc-shaped slide rail running vertically through it. An arc-shaped guide rod 10 is installed on the inner side of the arc-shaped slide rail. The mounting base 4 is slidably installed on the outer wall of the arc-shaped guide rod 10. The mounting base 4 and the inner wall of one end of the arc-shaped slide rail are connected by an arc-shaped spring 18. A protruding post 24 is fixed at the bottom of the mounting base 4. A blocking component is installed on the support frame 11. The blocking component is located on the movement path of the protruding post 24. An unlocking component is installed on the turntable 3. The unlocking component is used to release the blocking effect of the blocking component.

[0056] For ease of blocking; such as Figure 3 As shown, the blocking assembly includes a stand 19, which is fixed to a support frame 11. A baffle 23 is slidably connected to the outer wall of the stand 19. The baffle 23 is located on the movement path of the protrusion 24. The baffle 23 and the stand 19 are connected by a support spring 22.

[0057] To facilitate automatic unlocking; such as Figure 3 As shown, the unlocking component includes a mounting plate, which is installed on the bottom outer wall of the turntable 3. A guide frame 21 is installed on the bottom of the mounting plate. The guide frame 21 has a V-shaped structure. The top surface of the stop frame 23 has an arc-shaped structure. The stop frame 23 is located on the movement path of the guide frame 21, and the guide frame 21 is located behind the movement direction of the protrusion 24.

[0058] By setting up structures such as the arc-shaped guide rod 10, the baffle 23, and the guide frame 21, when the turntable 3 rotates and the mounting base 4 is transported to the spraying station, the baffle 23 can block the protruding column 24 to prevent the mounting base 4 from moving forward. At this time, the turntable 3 continues to move, and the spray tank 8 is controlled by the transmission of the column 7 and other structures. During the process, the galvanized pipe 5 can always be kept at the spraying station. As the turntable 3 continues to move, the lever 14 separates from the column 7, and the structure is reset based on the first torsion spring 34 and the second torsion spring. The guide frame 21 contacts the baffle 23. Since the guide frame 21 has a V-shaped structure, it can press the baffle 23 downward, thereby causing the baffle 23 to disengage from the protruding column 24. The mounting base 4 can be reset based on the rebound force of the arc-shaped spring 18. During the process, the turntable 3 does not need to stop and wait, thus achieving efficient spraying operation.

[0059] To improve processing flexibility; such as Figure 1 , Figure 3 As shown, the top of the turntable 3 is provided with circumferentially distributed mounting holes 43, and the column 7 is detachably mounted on the mounting holes 43. The bottom of the turntable 3 is provided with mounting grooves 20 distributed along the arc. The top of the mounting plate of the guide frame 21 is provided with a locking block, and the mounting plate is detachably mounted in the mounting groove 20 through the locking block.

[0060] In addition, conventional techniques such as fixing by inserting rubber posts or fixing with screws can also be used, which will not be elaborated here;

[0061] The mounting holes 43 and mounting slots 20 allow for adjustment of the mounting positions of the column 7 and guide frame 21 according to actual needs, thereby controlling the movement and stopping timing of structures such as the mounting base 4 and spray can 8, thus improving flexibility.

[0062] To facilitate the rotation of turntable 3; such as Figure 1 As shown, the rotation drive unit includes a drive motor 13, which is mounted on the base 1. The output end of the drive motor 13 is connected to a drive gear 12. A driven gear 2 is mounted on the turntable 3, and the driven gear 2 meshes with the drive gear 12.

[0063] To better secure the galvanized pipe 5 internally; such as Figure 6 As shown, the internal support assembly includes:

[0064] An electric telescopic cylinder 6 is installed inside the mounting base 4. A center rod 39 is installed on the output end of the electric telescopic cylinder 6, and the center rod 39 passes through the mounting base 4.

[0065] The lower support 37 is mounted on the top of the mounting base 4, and the side of the lower support 37 is hinged with a circumferentially distributed lower support arm 42.

[0066] The upper support 40 is located outside the central rod 39 and its movement is controlled by the central rod 39. The upper support 40 has a circumferentially distributed upper support arm 38 hinged to its side. One end of the upper support arm 38 is hinged to the lower support arm 42. The upper support arm 38 and the lower support arm 42 form a V-shaped structure.

[0067] In this embodiment, preferably, there are three sets of lower support arms 42 and upper support arms 38;

[0068] By setting an inner support assembly, the galvanized pipe 5 can be placed outside the inner support assembly, and the bottom end of the galvanized pipe 5 can be in contact with the top surface of the mounting base 4. Based on the operation of the electric telescopic cylinder 6, the upper support 40 is driven to move closer to the lower support 37. At this time, the ends of the upper support arm 38 and the lower support arm 42 are connected and move away from the center rod 39, thereby effectively supporting the inner wall of the galvanized pipe 5.

[0069] To better support and fix galvanized pipes 5 of different sizes; such as Figure 6 As shown, the upper support 40 is slidably connected to the outer wall of the central rod 39, and the upper support 40 and the central rod 39 are connected by a connecting spring 41.

[0070] By setting up structures such as connecting spring 41, after the upper support arm 38 and lower support arm 42 support the inner wall of the galvanized pipe 5, if the output end of the electric telescopic cylinder 6 is still retracting, the center rod 39 moves downward and the connecting spring 41 is stretched, thus avoiding the problem of structural jamming. Furthermore, due to the increase in the overall stroke of the upper support arm 38, it can better adapt to galvanized pipes 5 of different sizes.

[0071] For the parts not disclosed in detail in this invention, such as necessary control modules, specific control methods, signal transmission methods, power supply methods, etc., those skilled in the art can ensure the smooth implementation of the solution of this invention based on common sense, normal thinking logic and existing technology.

[0072] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A galvanized pipe anti-corrosion spraying device, characterized in that, Includes a base (1), on which a turntable (3) is rotatably mounted, and on the turntable (3) are a plurality of mounting seats (4) arranged in a circle about the center of the turntable (3), and on the mounting seats (4) are an inner support assembly for fixing the galvanized pipe (5); and on the base (1) is a rotation drive unit for driving the turntable (3) to rotate. A support frame (11) is provided on one side of the base (1), and an extension frame (30) is installed on the top side of the support frame (11). A spraying assembly is installed on the extension frame (30), and the spraying assembly includes: The bottom of the spray can (8) is annular. The bottom of the spray can (8) is equipped with uniformly distributed nozzles (31). When the mounting base (4) moves to the spraying station, each nozzle (31) is located on the upper outer side of the galvanized pipe (5). The vertical cylinder (25) is installed on the top of the spray tank (8). The top of the vertical cylinder (25) is connected to the paint supply system through the connecting pipe (35). Side guide rods (26) are fixed on both sides of the top of the vertical cylinder (25). One end of the side guide rod (26) is fixed to the top of the spray tank (8). The ring frame (27) is fixed to the top of the extension frame (30) by a bracket. The ring frame (27) is located outside the vertical tube (25). The bottom of the ring frame (27) is fixed with a ring seat (28). A rotating wheel (33) is rotatably installed on the inner side of the ring seat (28). A guide hole (36) is opened on the rotating wheel (33). The side guide rod (26) slides up and down and is connected to the inner wall of the guide hole (36). The ring frame (27) and the rotating wheel (33) are connected by a first torsion spring (34). A ball head rod (32) is fixed at one end to an extension frame (30). A spiral groove (29) is provided on the spray can (8) and is slidably connected at one end to the spiral groove (29). The number of spiral grooves (29) is matched with the number of ball head rods (32), and the pitch of each spiral groove (29) is the same. Motion control mechanism, used to control the rotation of the wheel (33).

2. The anti-corrosion spraying device for galvanized pipes according to claim 1, characterized in that, The motion control mechanism includes a drive shaft (9), a side bracket is installed on one side of the support frame (11), and the drive shaft (9) is rotatably mounted on the side bracket; a synchronous pulley (16) is fixed on the top of the drive shaft (9), and the synchronous pulley (16) is connected to the rotating wheel (33) through a synchronous belt (17); the drive shaft (9) and the turntable (3) are linked by a rotation linkage component; when the turntable (3) rotates, the drive shaft (9) is driven to rotate based on the rotation linkage component.

3. The anti-corrosion spraying device for galvanized pipes according to claim 2, characterized in that, The rotating linkage assembly includes a linkage wheel (15), which is mounted on a transmission shaft (9). The linkage wheel (15) has evenly distributed levers (14) on its outer side. The turntable (3) is equipped with columns (7) distributed along an arc. The levers (14) are located on the movement path of the columns (7), and the distribution spacing of the columns (7) is adapted to each lever (14). The linkage wheel (15) and the side support are connected by a second torsion spring.

4. The anti-corrosion spraying device for galvanized pipes according to claim 3, characterized in that, The turntable (3) has an arc-shaped slide that runs vertically through it. An arc-shaped guide rod (10) is installed on the inner side of the arc-shaped slide. The mounting base (4) is slidably installed on the outer wall of the arc-shaped guide rod (10). The mounting base (4) and the inner wall of one end of the arc-shaped slide are connected by an arc-shaped spring (18). A protruding column (24) is fixed at the bottom of the mounting base (4). A blocking component is installed on the support frame (11). The blocking component is located on the movement path of the protruding column (24). An unlocking component is installed on the turntable (3). The unlocking component is used to release the blocking effect of the blocking component.

5. The anti-corrosion spraying device for galvanized pipes according to claim 4, characterized in that, The blocking assembly includes a stand (19), which is fixed on a support frame (11). A baffle (23) is slidably connected to the outer wall of the stand (19). The baffle (23) is located on the movement path of the protruding column (24). The baffle (23) and the stand (19) are connected by a support spring (22).

6. The anti-corrosion spraying device for galvanized pipes according to claim 5, characterized in that, The unlocking component includes a mounting plate, which is installed on the bottom outer wall of the turntable (3). A guide frame (21) is installed at the bottom of the mounting plate. The guide frame (21) has a V-shaped structure. The top surface of the stop (23) is an arc surface structure. The stop (23) is located on the movement path of the guide frame (21), and the guide frame (21) is located behind the movement direction of the protruding column (24).

7. The anti-corrosion spraying device for galvanized pipes according to claim 6, characterized in that, The turntable (3) has circumferentially distributed mounting holes (43) on its top. The column (7) is detachably mounted on the mounting holes (43). The turntable (3) has an arc-shaped mounting groove (20) at its bottom. The mounting plate of the guide frame (21) has a locking block on its top. The mounting plate is detachably mounted in the mounting groove (20) through the locking block.

8. The anti-corrosion spraying device for galvanized pipes according to claim 1, characterized in that, The rotation drive unit includes a drive motor (13), which is mounted on the base (1). The output end of the drive motor (13) is connected to a drive gear (12). A driven gear (2) is mounted on the turntable (3), and the driven gear (2) meshes with the drive gear (12).

9. The anti-corrosion spraying device for galvanized pipes according to claim 1, characterized in that, The internal support component includes: Electric telescopic cylinder (6) is installed inside the mounting base (4). A center rod (39) is installed on the output end of the electric telescopic cylinder (6). The center rod (39) passes through the mounting base (4). The lower support (37) is mounted on the top of the mounting base (4), and the side of the lower support (37) is hinged with a circumferentially distributed lower support arm (42). The upper support (40) is located outside the central rod (39) and its movement is controlled by the central rod (39). The upper support (40) has a circumferentially distributed upper support arm (38) hinged to its side. One end of the upper support arm (38) is hinged to the lower support arm (42). The upper support arm (38) and the lower support arm (42) form a V-shaped structure.

10. A galvanized pipe anti-corrosion spraying device according to claim 9, characterized in that, The upper support (40) is slidably connected to the outer wall of the central rod (39), and the upper support (40) and the central rod (39) are connected by a connecting spring (41).

Citation Information

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