Galvanized layer preparation equipment for hot-dip galvanized steel

Abstract

The utility model discloses zinc coating preparation equipment for hot-dip galvanized steel, which comprises a zinc storage tank, and the top end of the zinc storage tank is rotatably connected with a rotating frame. The driving motor drives the driving gear to rotate, so that the driven gear rotates along with the driving gear and drives the pushing rod to rotate together, the pushing rod enters the pushing groove in the rotating process, and the special-shaped rotating disc is driven to rotate in the follow-up moving process of the pushing rod; the special-shaped rotating disc drives the four fixing shafts in the rotating frame to rotate, the round pipe steel hung on the fixing shafts is completely immersed in molten zinc, meanwhile, the round pipe steel located in the molten zinc is separated from the molten zinc, the molten zinc is suspended and drained, waste is avoided, and after draining, the cooling fan blows air to cool the round pipe steel, so that the cooling effect of the round pipe steel is improved. The effects of complete soaking, draining and cooling of the round tube steel are achieved, the galvanizing preparation efficiency of the round tube steel is improved, the structure is simple, and operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of galvanizing equipment, in particular to equipment for preparing a galvanized layer of hot-dip galvanized steel. Background Art

[0002] Hot-dip galvanized steel, also known as hot-dip zinc or hot-dip galvanized steel, is made by immersing the steel in molten zinc to form a uniform and dense layer of metallic zinc to achieve the purpose of corrosion protection.

[0003] At present, in the galvanizing preparation process of round tube steel, multiple round tube steels are usually bundled together and put into the galvanizing pool for galvanizing. This method tends to make the galvanizing speed of the round tube steel located inside slow, which takes more time. Moreover, when the round tube steel is taken out after the galvanizing is completed, it will carry more zinc liquid, resulting in waste of raw materials. Utility Model Content

[0004] The utility model aims to provide a device for preparing a zinc coating of hot-dip galvanized steel to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for preparing a galvanized layer of hot-dip galvanized steel, comprising a zinc storage tank, a rotating frame is rotatably connected to the top of the zinc storage tank, a special-shaped turntable is fixedly connected to one end of the rotating frame, four push grooves are opened on the outer surface of the special-shaped turntable, a driving motor is fixedly connected to one side of the zinc storage tank, a driving gear is transmission-connected to the output end of the driving motor, a driven gear is meshed on the outer surface of the driving gear, a pushing rod is fixedly connected to one end of the driven gear and near the edge, and the outer surface of the pushing rod is movably plugged into any of the pushing grooves.

[0006] As a further preferred embodiment of the present technical solution, four fixed shafts are fixedly connected inside the rotating frame, and movable hooks are movably connected to the outer surfaces of the four fixed shafts, and pressure springs are sleeved on the outer surfaces of the four fixed shafts, one end of the four pressure springs is fixedly connected to a side wall inside the rotating frame, and the other ends of the four pressure springs are respectively in close contact with one side of the four movable hooks, and fixed hooks are rotatably connected to the outer surfaces of the four fixed shafts near the other ends.

[0007] As a further preferred embodiment of the present technical solution, a limiting sleeve is slidably connected to the outer surface of the fixed shaft at a position on one side of the movable hook, and a fixing bolt is threadedly connected to the inner part of the limiting sleeve, and one end of the fixing bolt is in close contact with the outer surface of the fixed shaft.

[0008] As a further preferred embodiment of the present technical solution, two limiting rings are fixedly connected to the outer surface of the fixed shaft, and the two limiting rings are located on both sides of the fixed hook.

[0009] As a further preferred embodiment of the present technical solution, a cooling cover is fixedly connected to the top of the zinc storage pool, a plurality of mounting through holes are provided inside the cooling cover, a plurality of mounting through holes are fixedly connected to cooling fans, and a heating plate is fixedly connected to the bottom of the zinc storage pool.

[0010] As a further preferred embodiment of the technical solution, four limiting grooves are formed on the outer surface of the special-shaped turntable, a limiting plate is fixedly connected to one side of the driven gear, and the outer surface of the limiting plate is slidably engaged with the inside of the four limiting grooves.

[0011] The utility model provides a device for preparing a zinc coating of hot-dip galvanized steel, which has the following beneficial effects:

[0012] (1) The utility model drives the driving motor to rotate the driving gear, so that the driven gear rotates along with it and drives the push rod to rotate together. During the rotation of the push rod, the driven gear enters the push groove, and during the subsequent movement of the push rod, drives the special-shaped turntable to rotate, so that the special-shaped turntable drives the four fixed shafts inside the rotating frame to rotate, so that the round tube steel hung on the fixed shaft is completely immersed in the zinc liquid, and the round tube steel previously located in the zinc liquid is separated from the zinc liquid and suspended to control the zinc liquid to avoid waste. After the zinc liquid is controlled to dry, the cooling fan blows air to cool the round tube steel, thereby achieving the effect of complete immersion, drying and cooling of the round tube steel, improving the efficiency of the galvanizing preparation of the round tube steel, and having a simple structure and convenient operation.

[0013] (2) The utility model increases the distance between the fixed hook and the movable hook by bending the movable hook outward, thereby removing the restriction on the round tube steel after galvanizing, allowing it to be directly removed, thereby improving the efficiency of loading and unloading, having a simple structure and being easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a first structural schematic diagram of the utility model as a whole;

[0015] Figure 2 It is a second structural schematic diagram of the utility model as a whole;

[0016] Figure 3 It is a schematic diagram of the structure between the rotating frame and the cooling cover of the utility model;

[0017] Figure 4 It is an exploded schematic diagram of the fixed shaft structure of the utility model.

[0018] In the figure: 1. zinc storage tank; 2. rotating frame; 3. special-shaped turntable; 4. pushing groove; 5. driven gear; 6. pushing rod; 7. driving motor; 8. driving gear; 9. limiting plate; 10. limiting groove; 11. fixed shaft; 12. movable hook; 13. fixed hook; 14. pressure spring; 15. limiting sleeve; 16. fixing bolt; 17. limiting ring; 18. cooling cover; 19. mounting through hole; 20. cooling fan; 21. heating plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0020] The utility model provides a technical solution: Figure 1-3 As shown, in the present embodiment, a galvanized layer preparation device for hot-dip galvanized steel comprises a zinc storage tank 1, a rotating frame 2 is rotatably connected to the top of the zinc storage tank 1, a special-shaped turntable 3 is fixedly connected to one end of the rotating frame 2, four push grooves 4 are opened on the outer surface of the special-shaped turntable 3, a driving motor 7 is fixedly connected to one side of the zinc storage tank 1, a driving gear 8 is transmission-connected to the output end of the driving motor 7, a driven gear 5 is meshed on the outer surface of the driving gear 8, a pushing rod 6 is fixedly connected to one end of the driven gear 5 and near the edge, the outer surface of the pushing rod 6 is movably plugged into any pushing groove 4, wherein, by setting the pushing rod 6, the special-shaped turntable 3 can be driven to rotate intermittently under the drive of the driven gear 5, and by setting the driving motor 7, a continuous power source can be provided.

[0021] like Figure 3 and Figure 4 As shown, four fixed shafts 11 are fixedly connected inside the rotating frame 2, and movable hooks 12 are movably connected to the outer surfaces of the four fixed shafts 11. Compression springs 14 are sleeved on the outer surfaces of the four fixed shafts 11. One end of the four compression springs 14 is fixedly connected to a side wall inside the rotating frame 2, and the other ends of the four compression springs 14 are in close contact with one side of the four movable hooks 12 respectively. Fixed hooks 13 are rotatably connected to the outer surfaces of the four fixed shafts 11 near the other ends. By setting the fixed hooks 13, one end of the round tube steel can be positioned. By setting the compression springs 14, a continuous force can be provided to the movable hooks 12, making the movable hooks 12 more stable and preventing the round tube steel from falling off during galvanizing.

[0022] like Figure 4As shown, a limiting sleeve 15 is slidably connected to the outer surface of the fixed shaft 11 and located at one side of the movable hook 12. A fixing bolt 16 is threadedly connected to the inner surface of the limiting sleeve 15. One end of the fixing bolt 16 is in close contact with the outer surface of the fixed shaft 11. By providing the limiting sleeve 15, the movable range of the movable hook 12 can be limited to prevent excessive compression of the round tube steel and incomplete galvanizing. By providing the fixing bolt 16, the position of the limiting sleeve 15 on the fixed shaft 11 can be adjusted to adapt to round tube steels of different lengths, thereby improving practicality.

[0023] like Figure 4 As shown, two limiting rings 17 are fixedly connected to the outer surface of the fixed shaft 11 . The two limiting rings 17 are located on both sides of the fixed hook 13 and can position the fixed hook 13 .

[0024] like Figure 2 , Figure 3 and Figure 4 As shown, a cooling cover 18 is fixedly connected to the top of the zinc storage tank 1, a plurality of mounting through holes 19 are provided inside the cooling cover 18, a cooling fan 20 is fixedly connected inside the plurality of mounting through holes 19, and a heating plate 21 is fixedly connected to the bottom of the zinc storage tank 1. By providing the cooling fan 20, the round tube steel after galvanizing can be quickly cooled, so that unloading and the next loading are convenient.

[0025] like Figure 2 and Figure 3 As shown, four limiting grooves 10 are provided on the outer surface of the special-shaped turntable 3, and a limiting plate 9 is fixedly connected to one side of the driven gear 5. The outer surface of the limiting plate 9 is slidably engaged with the inside of the four limiting grooves 10, which can position the special-shaped turntable 3 and improve stability.

[0026] The utility model provides a device for preparing a zinc coating of hot-dip galvanized steel, and the specific working principle is as follows:

[0027] The staff bends the movable hook 12 and pushes it outward along the fixed axis 11, then inserts one end of the round tube steel into the fixed hook 12, and then loosens the movable hook 12 to insert the movable hook 13 into the other end of the round tube steel to complete the positioning of the round tube steel. Then the driving motor 7 drives the active gear 8 to rotate, so that the driven gear 5 follows the rotation and drives the push rod 6 to rotate together, and enters the push groove 4 during the rotation of the push rod 6, and drives the special-shaped turntable 3 to rotate during the subsequent movement of the push rod 6, so that the special-shaped turntable 3 drives the four fixed axes 11 inside the rotating frame 2 to rotate, so that the round tube steel hung on the fixed axis 11 is completely immersed in the zinc liquid, while the round tube steel previously located in the zinc liquid is separated from the zinc liquid and suspended to drain the zinc liquid, and after drying, the cooling fan 20 blows air to cool the round tube steel.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for preparing a zinc coating of hot-dip galvanized steel, comprising a zinc storage tank (1), characterized in that: The top of the zinc storage tank (1) is rotatably connected to a rotating frame (2), one end of the rotating frame (2) is fixedly connected to a special-shaped rotating disk (3), the outer surface of the special-shaped rotating disk (3) is provided with four pushing grooves (4), one side of the zinc storage tank (1) is fixedly connected to a driving motor (7), the output end of the driving motor (7) is transmission-connected to a driving gear (8), the outer surface of the driving gear (8) is meshed with a driven gear (5), one end of the driven gear (5) and near the edge is fixedly connected to a pushing rod (6), the outer surface of the pushing rod (6) is movably plugged into any of the pushing grooves (4).

2. The device for preparing a zinc coating of hot-dip galvanized steel according to claim 1, characterized in that: Four fixed shafts (11) are fixedly connected inside the rotating frame (2); the outer surfaces of the four fixed shafts (11) are movably connected with movable hooks (12); the outer surfaces of the four fixed shafts (11) are sleeved with pressure springs (14); one end of the four pressure springs (14) is fixedly connected to a side wall inside the rotating frame (2); the other ends of the four pressure springs (14) are respectively in close contact with one side of the four movable hooks (12); and the outer surfaces of the four fixed shafts (11) are rotatably connected with fixed hooks (13) near the other ends.

3. The equipment for preparing a zinc coating of hot-dip galvanized steel according to claim 2, characterized in that: A limiting sleeve (15) is slidably connected to the outer surface of the fixed shaft (11) and located at a position on one side of the movable hook (12); a fixing bolt (16) is internally threadedly connected to the limiting sleeve (15); one end of the fixing bolt (16) is in close contact with the outer surface of the fixed shaft (11).

4. The device for preparing a zinc coating of hot-dip galvanized steel according to claim 3, characterized in that: Two limiting rings (17) are fixedly connected to the outer surface of the fixed shaft (11), and the two limiting rings (17) are located on both sides of the fixed hook (13).

5. The equipment for preparing a zinc coating of hot-dip galvanized steel according to claim 4, characterized in that: The top end of the zinc storage tank (1) is fixedly connected to a cooling cover (18), a plurality of mounting through holes (19) are provided inside the cooling cover (18), a plurality of mounting through holes (19) are fixedly connected to the inside of each of the plurality of mounting through holes (19), and a heating plate (21) is fixedly connected to the bottom end of the zinc storage tank (1).

6. The equipment for preparing a zinc coating of hot-dip galvanized steel according to claim 1, characterized in that: The outer surface of the special-shaped turntable (3) is provided with four limit grooves (10); one side of the driven gear (5) is fixedly connected to a limit plate (9); the outer surface of the limit plate (9) is slidably engaged with the inside of the four limit grooves (10).

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