Positioning control device for external blowing pressurization single tube

By using a positioning control device that coordinates the control sensor and the drive motor, the problem of horizontal striations caused by inconsistent steel pipe lengths in the external blowing pressurization single-pipe device is solved, ensuring uniform pressurization and protecting the sensor, thereby improving product quality and equipment convenience.

CN223892835UActive Publication Date: 2026-02-10SHANXI ZHENGDA PIPE MAKING CO LTD
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Patent Information

Application Number
CN202520446511.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2026-02-10
Estimated Expiration
2035-03-14

AI Technical Summary

Technical Problem

When the positioning control device for externally blown pressurized single pipe is in operation, the inconsistent length and position of the steel pipe during the lifting action can easily cause horizontal lines on the surface of the single pipe, affecting the appearance quality of the product.

Method used

The length of a single tube is detected by a control sensor, and the external blowing ring is pressurized by the sensor. Combined with the drive motor and auxiliary roller, the single tube is centered and limited to prevent the steel tube from shifting. The sensor is protected by a heat insulation structure to avoid high temperature damage.

Benefits of technology

It achieves uniform blowing onto a single tube during pressurization, preventing horizontal lines from forming, improving product appearance quality, extending sensor life, and reducing equipment contamination and maintenance difficulty.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223892835U_ABST
Patent Text Reader

Abstract

The utility model relates to the field of hot-dip galvanized pipe processing, in particular to a positioning control device for an external blowing pressurization single pipe, which comprises a support base, a mounting frame fixedly mounted at the upper end of the support base, an external blowing ring fixedly mounted on the inner side of the mounting frame, and a heat insulation sleeve box fixedly mounted at the upper end of the support base and positioned on the side of the mounting frame. A heat-insulating cotton layer is fixedly connected to the inner surface of the heat-insulating sleeve box, a control sensor is fixedly mounted in the heat-insulating cotton layer, a heat-insulating plate is arranged on the inner side of the right end of the heat-insulating sleeve box, a connecting through hole is formed in the inner side of the heat-insulating plate, and a driving motor is fixedly mounted on the front side of the left end of the supporting base. The control sensor is used for detecting the passing single pipe, the external blowing ring is conveniently controlled to perform external blowing pressurization treatment on the single pipe, sensing control can be automatically performed according to the length of the single pipe, the situation that external blowing pressurization is inconsistent with the length position of the single pipe is avoided, it is guaranteed that the single pipe can be blown during pressurization, cross grains are prevented from being generated on the surface of the single pipe, and the service life of the single pipe is prolonged. And the appearance quality of the product is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of hot galvanizing pipe processing, especially to positioning control device for external blowing pressurization single pipe. BACKGROUND

[0002] ‌External blowing pressurization of hot galvanizing pipe refers to blowing treatment of the outside of the steel pipe by compressed air in the production process of hot galvanizing steel pipe to remove excess zinc liquid, so that the surface of the steel pipe is smooth. The compressed air for external blowing is usually provided by a heated air compressor and further heated in a drying pit. The external blowing compressed air is blown to the hot galvanizing pipe on the external blowing roller way through the external blowing gas tank, external blowing gas pipeline and external blowing air ring. Through external blowing pressurization treatment, the excess zinc liquid on the surface of the steel pipe can be effectively removed to ensure uniform coating and improve the quality and yield of the steel pipe, while saving zinc consumption.

[0003] For example, patent number (CN210030848U) discloses an external surface external blowing device for steel pipe galvanizing, which comprises a first support frame and a second support frame. The bottom of the first support frame and the second support frame is connected with a mounting frame through bolts. The bottom of the mounting frame is connected with a plurality of mounting plate groups through bolts. The inside of the mounting plate group is connected with an electromagnetic conveying roller through a bearing. The top of the mounting frame is provided with two first hydraulic oil cylinders near one end of the second support frame. In the utility model, the height of the two blowing pipes is adjusted by the first hydraulic oil cylinder. The galvanized steel pipe passes through the two blowing pipes in turn, so that the axial lines of the blowing nozzles connected with the two blowing pipes on one side intersect, the distance from the blowing nozzle outlet to the steel pipe outer wall is the same, the steel pipe outer wall can be more fully subjected to hot air, the zinc layer on the steel pipe outer wall is uniform, the phenomenon of uneven zinc layer on the steel pipe outer wall caused by uneven wind force is avoided, and the quality of the galvanized steel pipe is affected.

[0004] At present, the positioning control device for external blowing pressurization single pipe uses lifting action time to realize the action mode when working. Since the length position of the steel pipe walking during lifting action is inconsistent, some pressurization can blow to the single pipe, and some pressurization cannot blow to the single pipe, which is easy to produce horizontal lines on the surface of the single pipe, further affecting the appearance quality of the product.

[0005] Therefore, aiming at the above-mentioned positioning control device for external blowing pressurization single pipe, since the length position of the steel pipe walking during lifting action is inconsistent, it is easy to produce horizontal lines on the surface of the single pipe, further affecting the appearance quality of the product, a positioning control device for external blowing pressurization single pipe controlled by a sensor can be designed. SUMMARY

[0006] In order to overcome the single pipe positioning control device of external blowing pressurization in the work, due to the lifting action, the length position of the steel pipe walking is inconsistent, easy to produce horizontal line on the surface of single pipe, further influence the appearance quality of product problem.

[0007] The utility model discloses a technical scheme for: the positioning control device of external blowing pressurization single pipe, including the support base, the upper end fixed mounting of support base has the mounting bracket, the inboard fixed mounting of mounting bracket has the external blowing ring, the upper end fixed mounting of support base at the side of mounting bracket has the heat insulation sleeve box, the inner surface fixed connection of heat insulation sleeve box has the heat insulation cotton layer, the inside fixed mounting of heat insulation cotton layer has control sensor, the inboard of heat insulation sleeve box right -hand member sets up the heat insulation board, and the inboard of heat insulation board is equipped with the connecting through -hole, and the front side fixed mounting of support base left end has the drive motor, and the output of drive motor extends to the inboard fixed mounting of support base and has the transmission roll, and the inside of support base is located the side of transmission roll and is provided with the auxiliary roll, and the right end of transmission roll and auxiliary roll all fixed mounting has the connecting shaft, and the right end of connecting shaft extends to the outside of support base, and the surface is provided with the synchronous belt.

[0008] Preferably, the control sensor can detect the single pipe passing through, facilitate control external blowing ring to the single pipe carries out the external blowing pressurization processing, heat insulation sleeve box, heat insulation cotton layer and heat insulation board can form to the protection of control sensor, heat insulation sleeve box exists certain installation angle, make control sensor towards the position of external blowing ring, can detect control in the moment when single pipe passes through external blowing ring, reset spring can drive the close fitting of ball arc groove, convenient for improve the stability of heat insulation board and heat insulation sleeve box clamping, and can be flexibly detached, drive motor can drive transmission roll rotation, connecting shaft and synchronous belt can drive multiple auxiliary roll rotation, transmission roll and auxiliary roll can realize the single pipe location when conveying material, realize the centering of single pipe and the feeding function, can prevent single pipe deviation from separating from transmission structure, and the inclined slope plate can receive the galvanized liquid that drops in the processing process, and utilize the inclined slope plate and make it concentrated and flow into the receiving box.

[0009] As preferred, the upper and lower ends of the inner side of the heat insulation sleeve box are provided with movable grooves, reset springs are fixedly installed in the interiors of the movable grooves, and clamping balls are fixedly installed on the reset springs.

[0010] As preferred, the surface of the clamping ball is in sliding connection with the movable groove, and one end of the clamping ball away from the reset spring extends to the outside of the movable groove and is in mutual adaptation with the arc-shaped groove.

[0011] As preferred, the heat insulation board is clampingly connected with the heat insulation sleeve box, and the control sensor is electrically connected with the external blowing ring.

[0012] As preferred, the output end of the drive motor is rotatably connected with the support base, and the auxiliary roll is rotatably connected with the support base.

[0013] Preferably, the auxiliary rollers are distributed at equal intervals, and the surface of the connecting shaft is rotatably connected to the support base.

[0014] Preferably, an inclined slope plate is fixedly installed at the lower end of the inner side of the support base, and the front end of the support base is provided with a receiving box.

[0015] The utility model discloses the beneficial effects of:

[0016] The external blowing pressurization single pipe positioning control device utilizes the control sensor to detect the single pipe passing through, facilitates the external blowing ring to the single pipe to carry out external blowing pressurization processing, and can automatically control according to the single pipe length sensing, avoids the inconsistency between external blowing pressurization and the single pipe length position, ensures that the single pipe can be blown during pressurization, prevents the generation of horizontal lines on the single pipe surface, is favorable for improving the appearance quality of products, the heat insulation sleeve box, the heat insulation cotton layer and the heat insulation plate can form the protection of the control sensor, realize the heat insulation protection function, greatly reduce the influence and damage of high-temperature working environment on the control sensor, are favorable for prolonging the service life of the control sensor, the reset spring drives the clamping ball to tightly adhere to the arc-shaped groove, facilitates the stability of the heat insulation plate and the heat insulation sleeve box clamping, and can be flexibly disassembled, further facilitates the maintenance and replacement work of the internal control sensor, the driving motor drives the transmission roller and multiple auxiliary rollers to rotate, utilizes the structure that the surface of the transmission roller and the auxiliary roller is concave, facilitates the single pipe to realize the limiting during the transmission material, realizes the centering feeding function of the single pipe, can prevent the single pipe from deviating from the transmission structure, is favorable for improving the convenience of equipment use, the inclined slope plate receives the galvanized liquid dropping during the processing process, and utilizes the inclined slope plate to make it concentrate and flow into the receiving box, reduces the pollution to the working environment, and facilitates recycling. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The utility model discloses a positioning control device for external blowing pressurization single pipe shows the three-dimensional structure schematic diagram of the utility model discloses a positioning control device for external blowing pressurization single pipe;

[0018] Figure 2 The utility model discloses a positioning control device for external blowing pressurization single pipe shows the three-dimensional structure schematic diagram of the utility model discloses a positioning control device for external blowing pressurization single pipe;

[0019] Figure 3 The utility model discloses a positioning control device for external blowing pressurization single pipe shows the three-dimensional structure schematic diagram of the utility model discloses a positioning control device for external blowing pressurization single pipe; Figure 2 The utility model discloses a positioning control device for external blowing pressurization single pipe shows the three-dimensional structure schematic diagram of the utility model discloses a positioning control device for external blowing pressurization single pipe;

[0020] Figure 4 The utility model discloses a positioning control device for external blowing pressurization single pipe shows the three-dimensional structure schematic diagram of the utility model discloses a positioning control device for external blowing pressurization single pipe;

[0021] Figure 5 The utility model discloses a positioning control device for external blowing pressurization single pipe shows the three-dimensional structure schematic diagram of the utility model discloses a positioning control device for external blowing pressurization single pipe.

[0022] Explanation of reference signs: 1, support base; 2, mounting frame; 3, outer blowing ring; 4, heat insulation sleeve box; 5, heat insulation cotton layer; 6, control sensor; 7, heat insulation plate; 8, connecting through hole; 9, driving motor; 10, transmission roller; 11, auxiliary roller; 12, connecting shaft; 13, synchronous belt; 14, movable groove; 15, reset spring; 16, clamping ball; 17, arc-shaped groove; 18, inclined slope plate; 19, receiving box. DETAILED DESCRIPTION

[0023] The utility model is further explained in connection with the drawings and examples.

[0024] Please refer to Figures 1-5 The utility model provides a kind of positioning control device for outer blowing pressurization single pipe, including support base 1, the upper end of support base 1 is fixedly installed with mounting frame 2, the inboard of mounting frame 2 is fixedly installed with outer blowing ring 3, the upper end of support base 1 is fixedly installed with heat insulation sleeve box 4 at the side of mounting frame 2, the inner surface of heat insulation sleeve box 4 is fixedly connected with heat insulation cotton layer 5, control sensor 6 is fixedly installed in heat insulation cotton layer 5, the inboard of the right end of heat insulation sleeve box 4 is provided with heat insulation plate 7, connecting through hole 8 is set in the inboard of heat insulation plate 7, driving motor 9 is fixedly installed on the front side of the left end of support base 1, the output end of driving motor 9 extends to the inboard of support base 1 and is fixedly installed with transmission roller 10, auxiliary roller 11 is arranged in the inside of support base 1 at the side of transmission roller 10, the right end of transmission roller 10 and auxiliary roller 11 is fixedly installed with connecting shaft 12, the right end of connecting shaft 12 extends to the outside of support base 1, and surface is provided with synchronous belt 13, utilize control sensor 6 to detect the single pipe that passes, it is convenient to control outer blowing ring 3 and carry out outer blowing pressurization processing to single pipe, guarantee that it can be blown to single pipe when pressurizing, prevent the horizontal line that generates on single pipe surface, heat insulation sleeve box 4, heat insulation cotton layer 5 and heat insulation plate 7 can form the protection of control sensor 6, realize heat insulation protection function, driving motor 9 is controlled transmission roller 10 and auxiliary roller 11 rotation, utilize the structure that the surface of transmission roller 10 and auxiliary roller 11 is concave, single pipe can be prevented and deviates from transmission structure.

[0025] Please refer to Figures 1-3In the embodiment, the movable grooves 14 are arranged at the upper and lower ends of the inner side of the heat insulation sleeve box 4, the reset springs 15 are fixedly installed in the movable grooves 14, the clamping balls 16 are fixedly installed on the reset springs 15, the arc-shaped grooves 17 are arranged at the upper and lower ends of the heat insulation plate 7, the surface of the clamping ball 16 is in sliding connection with the movable groove 14, the end of the clamping ball 16 away from the reset spring 15 extends to the outside of the movable groove 14 and is matched with the arc-shaped groove 17, the heat insulation plate 7 is clamped and connected with the heat insulation sleeve box 4, the control sensor 6 is electrically connected with the outer blowing ring 3, the equipment is started, the single pipe is conveyed by the transmission structure, the single pipe passing through the control sensor 6 is detected, the outer blowing ring 3 is convenient to control to perform the outer blowing and pressurizing treatment on the single pipe, and the outer blowing and pressurizing treatment is automatically controlled according to the length sensing of the single pipe, so that the single pipe length position is inconsistent, the single pipe can be blown during pressurizing, the horizontal lines are prevented from being generated on the surface of the single pipe, the appearance quality of the product is improved, the heat insulation sleeve box 4, the heat insulation cotton layer 5 and the heat insulation plate 7 can form the protection of the control sensor 6, the heat insulation protection function is realized, the influence and damage of the high-temperature working environment on the control sensor 6 are greatly reduced, and the service life of the control sensor 6 is prolonged.

[0026] Please refer to Figure 1 、 Figure 4 and Figure 5 In the embodiment, the output end of the driving motor 9 is rotationally connected with the support base 1, the auxiliary rollers 11 are rotationally connected with the support base 1, the auxiliary rollers 11 are distributed at equal intervals, the surface of the connecting shaft 12 is rotationally connected with the support base 1, the inclined slope plate 18 is fixedly installed at the lower end of the inner side of the support base 1, the receiving box 19 is arranged at the front end of the support base 1, the transmission roller 10 is driven to rotate by the driving motor 9, the plurality of auxiliary rollers 11 are further driven to rotate by the connecting shaft 12 and the synchronous belt 13, the inner recessed structure of the surfaces of the transmission roller 10 and the auxiliary rollers 11 is convenient to limit the single pipe during the transmission of the material, the center feeding function of the single pipe is realized, the single pipe can be prevented from deviating from the transmission structure, and the convenience of use of the equipment is improved.

[0027] During operation, the equipment is started, and a single tube is conveyed using the transmission structure. The control sensor 6 detects the passing single tube, facilitating the control of the external blowing ring 3 to pressurize the single tube. The system automatically adjusts the pressure based on the single tube length, ensuring that the external blowing pressure is consistent with the single tube length and preventing horizontal lines from forming on the single tube surface. The heat insulation box 4, heat insulation cotton layer 5, and heat insulation board 7 protect the control sensor 6, providing heat insulation protection and significantly reducing the impact and damage of the high-temperature working environment on the control sensor 6. The drive motor 9 drives the transmission roller 10 to rotate, which, together with the connecting shaft 12 and synchronous belt 13, further drives multiple auxiliary rollers 11 to rotate. The concave structure of the transmission roller 10 and auxiliary rollers 11 facilitates the limiting of the single tube during material transmission, enabling the single tube to be centered and preventing it from deviating from the transmission structure.

[0028] Through the above steps, the control sensor 6 detects the passing single tube, facilitating the control of the external blowing ring 3 to perform external blowing and pressurization on the single tube. It also automatically controls the operation based on the length of the single tube, avoiding inconsistencies between the external blowing and pressurization and the length position of the single tube. This ensures that the single tube is always blown during pressurization, preventing horizontal lines from forming on the surface of the single tube. This solves the problem that when the positioning control device for external blowing and pressurizing single tubes is in operation, the inconsistent length and position of the steel pipe during the lifting action can easily cause horizontal lines on the surface of the single tube, further affecting the appearance quality of the product.

Claims

1. A positioning control device for an externally pressurized single-tube system, comprising a support base (1), characterized in that: A mounting bracket (2) is fixedly installed on the upper end of the support base (1). An external blowing ring (3) is fixedly installed on the inner side of the mounting bracket (2). A heat insulation box (4) is fixedly installed on the upper end of the support base (1) at the side of the mounting bracket (2). A heat insulation cotton layer (5) is fixedly connected to the inner surface of the heat insulation box (4). A control sensor (6) is fixedly installed inside the heat insulation cotton layer (5). A heat insulation plate (7) is provided on the inner side of the right end of the heat insulation box (4). A connection through hole (8) is opened on the inner side of the heat insulation plate (7). A drive motor (9) is fixedly installed on the front side of the left end of the support base (1). The output end of the drive motor (9) extends to the inside of the support base (1) and a transmission roller (10) is fixedly installed. An auxiliary roller (11) is provided inside the support base (1) on the side of the transmission roller (10). A connecting shaft (12) is fixedly installed on the right end of both the transmission roller (10) and the auxiliary roller (11). The right end of the connecting shaft (12) extends to the outside of the support base (1) and a synchronous belt (13) is provided on its surface.

2. The positioning control device for an externally pressurized single-tube according to claim 1, characterized in that: The upper and lower ends of the inner side of the heat insulation box (4) are provided with movable grooves (14), and a reset spring (15) is fixedly installed inside the movable groove (14). A locking ball (16) is fixedly installed on the reset spring (15). The upper and lower ends of the heat insulation plate (7) are provided with arc-shaped grooves (17).

3. The positioning control device for an externally pressurized single-tube according to claim 2, characterized in that: The surface of the locking ball (16) is slidably connected to the movable groove (14), and the end of the locking ball (16) away from the return spring (15) extends to the outside of the movable groove (14) and is adapted to the arc-shaped groove (17).

4. The positioning control device for an externally blown pressurized single-tube according to claim 1, characterized in that: The heat insulation plate (7) is engaged with the heat insulation box (4), and the control sensor (6) is electrically connected to the external blowing ring (3).

5. The positioning control device for an externally blown pressurized single-tube according to claim 1, characterized in that: The output end of the drive motor (9) is rotatably connected to the support base (1), and the auxiliary roller (11) is rotatably connected to the support base (1).

6. The positioning control device for an externally blown pressurized single-tube according to claim 5, characterized in that: The auxiliary rollers (11) are evenly spaced, and the surface of the connecting shaft (12) is rotatably connected to the support base (1).

7. The positioning control device for an externally blown pressurized single-tube according to claim 6, characterized in that: An inclined ramp (18) is fixedly installed on the lower end of the inner side of the support base (1), and a receiving box (19) is provided at the front end of the support base (1).

Citation Information

Patent Citations

  • Outer surface outward-blowing device for steel pipe galvanizing

    CN210030848U