Dynamic anti-backflow zinc ash removal device
By using a dynamic anti-backflow zinc ash removal device, which employs a robotic arm and a cleaning plate to stir the zinc liquid, the problem of zinc ash backflow affecting galvanizing quality is solved, achieving efficient zinc ash removal and extending the life of the lifting platform.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HEBEI TIANCHUANG PIPE
- Filing Date
- 2025-04-23
- Publication Date
- 2026-05-05
AI Technical Summary
During the hot-dip galvanizing process, zinc ash can easily flow back to the top of the zinc basket, affecting the galvanizing quality. Furthermore, prolonged immersion of the lifting platform in the zinc bath will shorten its service life.
A dynamic anti-backflow zinc ash removal device was designed. A rotating manipulator drives a moving table and a cleaning plate to stir the zinc liquid. Centrifugal force is used to discharge the zinc ash from the gap between the zinc basket and the connecting frame, preventing the zinc ash from flowing back.
It effectively prevents zinc ash backflow, ensures galvanizing quality, and extends the service life of the lifting platform.
Smart Images

Figure CN224199443U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of galvanizing equipment technology, and more specifically, to a dynamic anti-backflow zinc ash removal device. Background Technology
[0002] When hot-dip galvanizing bolts, the bolts are usually placed directly into a zinc basket, and then the zinc basket is placed into the molten zinc. Because the temperature of the molten zinc is high, zinc splattering is likely to occur during galvanizing, producing a large amount of zinc ash. If the zinc ash is not cleaned, it will stick to the bolts when the zinc basket is lifted, thus affecting product quality.
[0003] In existing technologies, when cleaning zinc ash, zinc baskets are typically placed directly into molten zinc, and a lifting platform is installed inside the zinc pot. By lowering the lifting platform, the zinc basket can be completely submerged in the molten zinc. Then, a movable scraper pushes away the zinc ash above the molten zinc. When the zinc ash is pushed away, the molten zinc flows, causing zinc ash from other locations to flow onto the zinc basket, resulting in zinc ash backflow. This affects the galvanizing quality, and prolonged immersion of the lifting platform in molten zinc also reduces its service life. Utility Model Content
[0004] The purpose of this invention is to solve the above-mentioned problems by designing a dynamic anti-backflow zinc ash removal device.
[0005] The technical solution of this utility model to achieve the above objectives is a dynamic anti-backflow zinc ash removal device, including a movable platform, which is mounted on a rotating manipulator. The rotating manipulator can drive the movable platform to move up and down and rotate. A zinc ash removal mechanism is installed on the movable platform.
[0006] The zinc ash removal mechanism includes a drive frame installed on the lower surface of the moving platform. A cleaning plate is installed at the lower end of the drive frame. A zinc basket is placed in the zinc liquid below the moving platform. The zinc basket can be completely immersed in the zinc liquid. A connecting frame is installed at the upper end of the zinc basket. The upper end of the connecting frame is located above the zinc liquid. The zinc ash can be discharged from the gap between the zinc basket and the connecting frame.
[0007] Furthermore, the drive frame includes a drive motor mounted on the lower surface of the moving platform. A protective housing is mounted on the outside of the drive motor. A rolling bearing is mounted on the lower end of the protective housing. A transmission shaft is mounted inside the rolling bearing. The upper end of the transmission shaft is connected to the rotating end of the drive motor. The dust removal plate is mounted on the lower end of the transmission shaft.
[0008] Furthermore, a protective plate is installed on the drive shaft, the protective plate is located above the dust removal plate, and an annular groove is opened at the lower end of the protective shell. The annular groove is concentrically corresponding to the drive shaft. An annular plate is installed at the upper end of the protective plate, and the upper end of the annular plate extends into the annular groove.
[0009] Furthermore, the connecting frame includes a circular lifting plate located above the zinc basket, which is connected to the upper end of the zinc basket via multiple connecting rods.
[0010] Furthermore, the lower end of the zinc basket is provided with a frustum-shaped protrusion.
[0011] The beneficial effects of this utility model are as follows: The zinc basket is completely immersed in the zinc liquid, so that the upper end of the connecting frame is above the zinc liquid, thus eliminating the need to immerse the lifting platform in the zinc liquid and making it easier to lift the zinc basket. After galvanizing, the drive frame drives the cleaning plate to rotate, which agitates the zinc liquid. Under the action of centrifugal force, the zinc dust above the zinc liquid moves outward and prevents the zinc dust from flowing back. Then, when the zinc basket is lifted, it can be ensured that there is no zinc dust above the zinc basket, thereby ensuring the galvanizing quality of the bolts. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the structure of the dynamic anti-backflow zinc ash removal device described in this utility model;
[0013] Figure 2 yes Figure 1 A magnified view of a section at point A in the middle;
[0014] In the diagram, 1. Moving platform; 2. Drive frame; 3. Dust removal plate; 4. Zinc basket; 5. Connecting frame; 6. Drive motor; 7. Protective housing; 8. Rolling bearing; 9. Drive shaft; 10. Protective plate; 11. Circular groove; 12. Circular plate; 13. Circular lifting plate; 14. Connecting rod; 15. Frustum-shaped protrusion. Detailed Implementation
[0015] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0016] In the description of this utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, in the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0017] This utility model provides, for example Figure 1-2 The illustrated dynamic anti-backflow zinc ash removal device includes a movable platform 1, which is mounted on a rotating manipulator. The rotating manipulator can drive the movable platform 1 to move up and down and rotate. A zinc ash removal mechanism is installed on the movable platform 1. The zinc ash removal mechanism includes a drive frame 2 installed on the lower surface of the movable platform 1. A cleaning plate 3 is installed at the lower end of the drive frame 2. A zinc basket 4 is placed in the zinc liquid below the movable platform 1. The zinc basket 4 can be completely immersed in the zinc liquid. A connecting frame 5 is installed at the upper end of the zinc basket 4. The upper end of the connecting frame 5 is located above the zinc liquid. Zinc ash can be discharged from the gap between the zinc basket 4 and the connecting frame 5.
[0018] The zinc ash removal process of this device is as follows: The moving platform 1 can be moved by rotating the robotic arm. By installing a mechanical gripper on the moving platform 1, the connecting frame 5 can be easily grasped, and the zinc basket 4 can be lifted and lowered. After the zinc basket 4 is placed in the zinc liquid, the bolts can be galvanized. After galvanizing, the moving platform 1 can be moved downward by rotating the robotic arm, so that half of the cleaning plate 3 is in the zinc liquid and half is above the zinc liquid. Then, the cleaning plate 3 can be rotated by the drive frame 2. The cleaning plate 3 can stir the zinc liquid and make the zinc liquid rotate. Then, under the action of centrifugal force, the zinc liquid floating on the top of the zinc liquid is thrown outward and discharged through the gap between the connecting frame 5 and the zinc basket 4, so that there is no zinc ash on the top of the zinc basket. Then, the connecting frame 5 is grasped by the mechanical gripper, and the zinc basket 4 is moved by rotating the robotic arm for subsequent processing.
[0019] Refer to the instruction manual appendix Figure 1 Included with instruction manual Figure 2 The drive frame 2 includes a drive motor 6 mounted on the lower surface of the moving platform 1. A protective housing 7 is mounted on the outside of the drive motor 6. A rolling bearing 8 is mounted on the lower end of the protective housing 7. A transmission shaft 9 is mounted inside the rolling bearing 8. The upper end of the transmission shaft 9 is connected to the rotating end of the drive motor 6. A dust removal plate 3 is mounted on the lower end of the transmission shaft 9.
[0020] The process of the drive frame 2 driving the cleaning plate 3 to rotate is as follows: the drive motor 6 is started to rotate, the drive motor 6 can drive the transmission shaft 9 to rotate, the transmission shaft 9 can drive the cleaning plate 3 to rotate, the rolling bearing 8 can limit the transmission shaft 9 to prevent it from shaking, and the protective shell 7 can protect the drive motor 6.
[0021] Refer to the instruction manual appendix Figure 1 Included with instruction manual Figure 2 A protective plate 10 is installed on the drive shaft 9. The protective plate 10 is located above the dust removal plate 3. A circular groove 11 is opened at the lower end of the protective housing 7. The circular groove 11 is concentrically corresponding to the drive shaft 9. A circular plate 12 is installed at the upper end of the protective plate 10. The upper end of the circular plate 12 extends into the circular groove 11. The protective plate 10 and the circular plate 12 can prevent the zinc liquid from contacting the rolling bearing 8 when it splashes, thereby extending the service life of the rolling bearing 8.
[0022] Refer to the instruction manual appendix Figure 1 The connecting frame 5 includes a circular lifting plate 13 located above the zinc basket 4. The circular lifting plate 13 is connected to the upper end of the zinc basket 4 through multiple connecting rods 14. The circular lifting plate 13 can be gripped by a mechanical gripper, and the zinc basket 4 can be easily gripped through the connecting rods 14. The zinc ash can be easily discharged to the outside of the zinc basket 4 through the gaps between the multiple connecting rods 14.
[0023] Refer to the instruction manual appendix Figure 1 The lower end of the zinc basket 4 is provided with a frustum-shaped protrusion 15, which can prevent the bolts from accumulating at the lower end of the zinc basket 4. The frustum-shaped protrusion 15 can also squeeze the molten zinc, allowing the molten zinc to enter the zinc basket 4 more quickly. Furthermore, when the bolts are centrifuged to throw out excess molten zinc, it can prevent the molten zinc in the middle from being difficult to throw out, thus further ensuring the galvanizing quality of the bolts.
[0024] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A dynamic anti-backflow zinc ash removal device, comprising a movable stage (1), the movable stage (1) being mounted on a rotating manipulator, the rotating manipulator being capable of driving the movable stage (1) to move up and down and rotate, characterized in that, The mobile platform (1) is equipped with a zinc ash removal mechanism; The zinc ash removal mechanism includes a drive frame (2) installed on the lower surface of the moving platform (1), a cleaning plate (3) installed at the lower end of the drive frame (2), a zinc basket (4) placed in the zinc liquid below the moving platform (1), the zinc basket (4) can be completely immersed in the zinc liquid, a connecting frame (5) is installed at the upper end of the zinc basket (4), the upper end of the connecting frame (5) is located above the zinc liquid, and the zinc ash can be discharged from the gap between the zinc basket (4) and the connecting frame (5).
2. The dynamic anti-backflow zinc ash removal device according to claim 1, characterized in that, The drive frame (2) includes a drive motor (6) mounted on the lower surface of the moving platform (1). A protective shell (7) is mounted on the outside of the drive motor (6). A rolling bearing (8) is mounted on the lower end of the protective shell (7). A transmission shaft (9) is mounted inside the rolling bearing (8). The upper end of the transmission shaft (9) is connected to the rotating end of the drive motor (6). The dust removal plate (3) is mounted on the lower end of the transmission shaft (9).
3. The dynamic anti-backflow zinc ash removal device according to claim 2, characterized in that, A protective plate (10) is installed on the drive shaft (9). The protective plate (10) is located above the dust removal plate (3). A circular groove (11) is opened at the lower end of the protective shell (7). The circular groove (11) and the drive shaft (9) are concentrically corresponding. A circular plate (12) is installed at the upper end of the protective plate (10). The upper end of the circular plate (12) extends into the circular groove (11).
4. The dynamic anti-backflow zinc ash removal device according to claim 1, characterized in that, The connecting frame (5) includes a circular lifting plate (13) located above the zinc basket (4), which is connected to the upper end of the zinc basket (4) by a plurality of connecting rods (14).
5. The dynamic anti-backflow zinc ash removal device according to claim 1, characterized in that, The zinc basket (4) has a frustum-shaped protrusion (15) at its lower end.