Hot-dip galvanizing unit in full-automatic hot-dip galvanizing production line

Abstract

The utility model discloses a hot-dip galvanizing unit in a full-automatic hot-dip galvanizing production line, and particularly relates to the technical field of hot-dip galvanizing, the hot-dip galvanizing unit comprises a hot-dip galvanizing box, a cleaning mechanism is arranged in the hot-dip galvanizing box, the cleaning mechanism comprises a first frame plate, a second frame plate is arranged in the first frame plate, and the second frame plate is arranged in the second frame plate. A metal filter screen is fixedly arranged in the second frame plate, connecting plates are fixedly arranged on the two sides of the top of the first frame plate correspondingly, lifting plates are arranged on the two sides of the top of the hot-dip galvanizing box correspondingly, and rotating mechanisms are arranged on the two lifting plates correspondingly. Zinc liquid in the hot-dip galvanizing box is heated through the multiple heating plates and used for hot-dip galvanizing treatment of workpieces, the electric push rod extends to drive the lifting plates to ascend, the two lifting plates drive the first frame plate and the second frame plate to move upwards together through the connecting plate, impurities in the zinc liquid are brought out of the zinc liquid through the metal filter screen in the second frame plate, and the impurities in the zinc liquid are removed through the metal filter screen in the second frame plate. Therefore, the zinc liquid can be filtered, the structure is simple, and cleaning is very fast.

Description

Technical Field

[0001] The utility model relates to the technical field of hot dip galvanizing, and more specifically to a hot dip galvanizing unit in a full-automatic hot dip galvanizing production line. Background Art

[0002] Hot dip galvanizing is a metal anti-corrosion method in which steel products are immersed in molten zinc liquid to form a zinc-iron alloy layer and a pure zinc layer on their surfaces. In a full-automatic hot dip galvanizing production line, the hot dip galvanizing unit is the core part. Its principle is based on the metallurgical reaction between iron and zinc at high temperatures. When a steel workpiece enters the hot zinc liquid, iron atoms and zinc atoms diffuse into each other. On the surface of the workpiece, zinc atoms first react with iron atoms to form a zinc-iron alloy layer, which is relatively firm and can adhere tightly to the steel substrate. Over time, a pure zinc layer will form outside the alloy layer. The pure zinc layer mainly plays the role of sacrificial anode. When the steel substrate is corroded, the zinc layer will be corroded preferentially, thereby protecting the steel substrate. Existing hot dip galvanizing units usually consist of a zinc pot, a heating system, etc.

[0003] For example, a hot dip galvanizing device for bolt production with the publication number of CN222729863U in the prior art. Through the setting of a moving unit in this utility model, starting the electric telescopic rod can drive the hot dip galvanizing box to move on the chute. In this way, the hot dip galvanizing box is subjected to a thrust force, and the galvanizing water inside will oscillate, shaking the effective components at the bottom to the upper layer. At the same time, by means of the movement of the galvanizing water, the bolts to be galvanized are moved, optimizing the galvanizing effect.

[0004] However, the above-mentioned prior art still has the following problems when in use: after the hot dip galvanizing box is frequently used for hot dip galvanizing, a large amount of debris is easily contained in the zinc liquid. The debris remaining in the zinc liquid will affect the subsequent hot dip galvanizing effect. However, the existing hot dip galvanizing box is relatively large in volume, and it is very time-consuming and laborious to clean manually, seriously affecting the hot dip galvanizing efficiency. Based on this, the utility model provides a hot dip galvanizing unit in a full-automatic hot dip galvanizing production line that is convenient for automatic cleaning. Summary of the Utility Model

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a hot dip galvanizing unit in a full-automatic hot dip galvanizing production line. The zinc liquid in the hot dip galvanizing box is heated by multiple heating plates for the hot dip galvanizing treatment of workpieces. The electric push rod is used to extend and drive the lifting plate to rise. The two lifting plates drive the first frame plate and the second frame plate to move upward together through a connecting plate. The metal filter screen in the second frame plate takes out the impurities in the zinc liquid from the zinc liquid, so as to realize the filtration treatment of the zinc liquid. The structure is simple and very fast to clean, so as to solve the problems appearing in the above-mentioned background art.

[0006] To achieve the above object, the present utility model provides the following technical solution: A hot-dip galvanizing unit in a fully automatic hot-dip galvanizing production line, including a hot-dip galvanizing tank. A cleaning mechanism is provided inside the hot-dip galvanizing tank. The cleaning mechanism includes a first frame plate. A second frame plate is provided inside the first frame plate. A metal filter screen is fixedly provided inside the second frame plate. Connecting plates are fixedly provided on both sides of the top of the first frame plate. Lifting plates are provided on both sides of the top of the hot-dip galvanizing tank. Rotating mechanisms are provided on both lifting plates for driving the connecting plates to rotate. Electric push rods are fixedly provided at the bottoms of both lifting plates. By means of the electric push rods, the first frame plate and the second frame plate can be automatically driven to lift, thereby improving the cleaning efficiency.

[0007] In a preferred embodiment, mounting grooves with the same number as the electric push rods are opened on both sides of the top of the hot-dip galvanizing tank. The electric push rods are fixed inside the mounting grooves. Setting the mounting grooves to place the electric push rods can not only accommodate the electric push rods but also play a limiting role on the electric push rods, improving the stability of the electric push rods.

[0008] In a preferred embodiment, the rotating mechanism includes a servo motor. Fixed grooves are opened on the outer sides of the two lifting plates away from each other. The servo motor is detachably installed in the fixed grooves. One end of the output shaft of the servo motor penetrates through the lifting plate and is fixed to the connecting plate. And the servo motor is arranged between the two mounting grooves. Using the servo motor to drive the connecting plate to rotate can automatically adjust the angles of the first frame plate and the frame plate, facilitating the rapid cleaning of the metal filter screen.

[0009] In a preferred embodiment, support plates are fixedly provided on the inner walls of both sides of the first frame plate. Both support plates are arranged at the bottom of the second frame plate. Using the support plates to support at the bottom of the second frame plate can facilitate the staff to quickly install the second frame plate, thereby improving the replacement efficiency.

[0010] In a preferred embodiment, a plurality of mounting holes are opened on the inner wall of the first frame plate. An electromagnetic lock is fixedly provided inside each mounting hole. Lock grooves are opened on the outer surface of the outer wall of the second frame plate. The electromagnetic lock is engaged with the lock groove. Using the electromagnetic lock to fix the second frame plate facilitates the rapid disassembly of the second frame plate for replacement.

[0011] In a preferred embodiment, heating plates are fixedly provided on the inner wall of the bottom and the front and rear inner walls of the hot-dip galvanizing tank for uniformly heating the zinc liquid inside the hot-dip galvanizing tank.

[0012] The technical effects and advantages of the present utility model:

[0013] 1. The utility model heats the zinc liquid in the hot-dip galvanizing tank through multiple heating plates for the hot-dip galvanizing treatment of workpieces. The electric push rod is extended to drive the lifting plate to rise. The two lifting plates drive the first frame plate and the second frame plate to move upward together through the connecting plate. The metal filter screen in the second frame plate takes out the impurities in the zinc liquid from the zinc liquid, so as to realize the filtration treatment of the zinc liquid. The structure is simple and the cleaning is very fast.

[0014] 2. The connecting plate is rotated by the servo motor. When the first frame plate and the second frame plate are moved out of the zinc liquid, the first frame plate and the second frame plate are rotated to facilitate the quick cleaning of the sundries in the metal filter screen, so as to improve the cleaning efficiency. At the same time, the electromagnetic lock can also be moved out of the lock groove to facilitate the quick removal of the second frame plate for replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 is a top view of the overall structure of the utility model;

[0017] Figure 3 is a schematic diagram of the structure of the second frame plate and the first frame plate of the utility model;

[0018] Figure 4 is a schematic diagram of the structure of the lifting plate and the electric push rod of the utility model;

[0019] Figure 5 is a schematic diagram of the structure of the hot-dip galvanizing tank of the utility model.

[0020] The reference numerals are: 1, hot-dip galvanizing tank; 2, cleaning mechanism; 3, rotating mechanism; 4, installation groove; 5, support plate; 6, installation hole; 7, electromagnetic lock; 8, lock groove; 9, heating plate;

[0021] 21, first frame plate; 22, second frame plate; 23, metal filter screen; 24, connecting plate; 25, lifting plate; 26, electric push rod;

[0022] 31, servo motor; 32, fixed groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Refer to the attached drawings of the specification Figures 1 - 5, the present utility model provides a hot-dip galvanizing unit in a fully automatic hot-dip galvanizing production line, including a hot-dip galvanizing tank 1. A cleaning mechanism 2 is provided inside the hot-dip galvanizing tank 1. The cleaning mechanism 2 includes a first frame plate 21. A second frame plate 22 is provided inside the first frame plate 21. A metal filter screen 23 is fixedly provided inside the second frame plate 22. Connecting plates 24 are fixedly provided on both sides of the top of the first frame plate 21. Lifting plates 25 are provided on both sides of the top of the hot-dip galvanizing tank 1. A rotating mechanism 3 is provided on both lifting plates 25 for driving the connecting plate 24 to rotate.

[0025] Electric push rods 26 are fixedly provided at the bottoms of both lifting plates 25. Installation grooves 4 with the same number as the electric push rods 26 are opened on both sides of the top of the hot-dip galvanizing tank 1. The electric push rods 26 are fixed inside the installation grooves 4. The installation grooves 4 are provided to place the electric push rods 26, which can not only accommodate the electric push rods 26 but also play a limiting role on the electric push rods 26, improving the stability of the electric push rods 26.

[0026] Heating plates 9 are fixedly provided on the inner wall of the bottom and the front and rear inner walls of the hot-dip galvanizing tank 1 for heating the zinc liquid inside the hot-dip galvanizing tank 1.

[0027] During actual use, multiple heating plates 9 are used to heat the zinc liquid in the hot-dip galvanizing tank 1 simultaneously. Then, the workpiece is immersed in the zinc liquid by means of a conveying device for treatment. After the immersion is completed, the workpiece is taken out of the zinc liquid by the conveying device again, and a new workpiece can be replaced. After a period of treatment, the electric push rods 26 are extended to drive the lifting plates 25 to rise. The two lifting plates 25 drive the first frame plate 21 to move out of the hot-dip galvanizing tank 1 through the connecting plates 24. During the rising process of the metal filter screen 23 in the second frame plate 22, the impurities in the zinc liquid can be taken out of the zinc liquid together, so as to realize the automatic treatment of the zinc liquid. The structure is simple and the cleaning is very fast, thus improving the hot-dip galvanizing efficiency.

[0028] Refer to the attached instruction manual Figures 1 - 5 , the rotating mechanism 3 includes a servo motor 31. Fixing grooves 32 are opened on the sides away from each other of the two lifting plates 25. The servo motor 31 is detachably installed in the fixing grooves 32. One end of the output shaft of the servo motor 31 penetrates through the lifting plate 25 and is fixed to the connecting plate 24, and the servo motor 31 is arranged between the two installation grooves 4.

[0029] Moreover, a plurality of installation holes 6 are opened on the inner wall of the first frame plate 21. An electromagnetic lock 7 is fixedly provided inside each installation hole 6. Lock grooves 8 are opened on the outer wall surface of the second frame plate 22. The electromagnetic lock 7 is engaged with the lock groove 8.

[0030] The connecting plate 24 is driven by the servo motor 31 to drive the first frame plate 21 and the second frame plate 22 to rotate. After the first frame plate 21 and the second frame plate 22 are moved out of the zinc liquid, the servo motor 31 is used to drive the first frame plate 21 and the second frame plate 22 to rotate, which is convenient for quickly cleaning the sundries in the metal filter screen 23, thereby improving the cleaning efficiency. At the same time, the staff can also control the electromagnetic lock 7 to move out of the lock groove 8, and then the second frame plate 22 can be quickly taken out of the first frame plate 21, which is convenient for quickly replacing the second frame plate 22.

[0031] And during actual use, a number of protrusions (with simple structure, not shown in the figure) can be provided on the top of the second frame plate 22. The staff can hold the protrusions, and without using a hook to hook the metal filter screen 23, the second frame plate 22 can be quickly taken out of the first frame plate 21.

[0032] Finally: The above are only the preferred embodiments of the present invention and are not used to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A hot dip galvanizing unit in a fully automatic hot dip galvanizing production line, comprising a hot dip galvanizing box (1), characterized in that: A cleaning mechanism (2) is provided inside the hot-dip galvanizing box (1), and the cleaning mechanism (2) comprises a first frame plate (21), a second frame plate (22) is provided inside the first frame plate (21), and a metal filter screen (23) is fixedly provided inside the second frame plate (22); Connecting plates (24) are fixedly provided on both sides of the top of the first frame plate (21), and lifting plates (25) are provided on both sides of the top of the hot-dip galvanizing box (1). A rotating mechanism (3) is provided on the two lifting plates (25) for driving the connecting plates (24) to rotate, and an electric push rod (26) is fixedly provided on the bottom of the two lifting plates (25).

2. The hot-dip galvanizing unit in a fully automatic hot-dip galvanizing production line according to claim 1, characterized in that: Both sides of the top of the hot-dip galvanizing box (1) are provided with mounting grooves (4) having the same number as the number of electric push rods (26), and the electric push rods (26) are fixed inside the mounting grooves (4).

3. The hot-dip galvanizing unit in the fully automatic hot-dip galvanizing production line according to claim 2, characterized in that: The rotating mechanism (3) comprises a servo motor (31). A fixing groove (32) is provided on the side of the two lifting plates (25) that are away from each other. The servo motor (31) is detachably mounted in the fixing groove (32). One end of the output shaft of the servo motor (31) passes through the lifting plate (25) and is fixed to the connecting plate (24). The servo motor (31) is arranged between the two mounting grooves (4).

4. The hot-dip galvanizing unit in a fully automatic hot-dip galvanizing production line according to claim 1, characterized in that: Support plates (5) are fixedly provided on the inner walls on both sides of the first frame plate (21), and the two support plates (5) are arranged at the bottom of the second frame plate (22).

5. The hot-dip galvanizing unit in a fully automatic hot-dip galvanizing production line according to claim 1, characterized in that: The first frame plate (21) has a plurality of mounting holes (6) formed on its inner wall, an electromagnetic lock (7) being fixedly mounted inside each mounting hole (6), and a lock slot (8) being formed on the outer wall surface of the second frame plate (22), the electromagnetic lock (7) being snap-fitted into the lock slot (8).

6. The hot-dip galvanizing unit in a fully automatic hot-dip galvanizing production line according to claim 1, characterized in that: The bottom inner wall and the front and rear inner walls of the hot-dip galvanizing box (1) are both fixedly provided with heating plates (9) for heating the zinc liquid inside the hot-dip galvanizing box (1).

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