Hot galvanizing chromate-free passivation tank

Abstract

The utility model relates to the technical field of passivation tanks, and discloses a hot galvanizing chromate-free passivation tank, which comprises a tank body, a protection piece and a protection piece, the protection piece is arranged on the tank body, the protection piece comprises an organ cover for covering and protecting the upper part of the tank body, the protection piece is arranged on the tank body, and the protection piece is arranged on the tank body. The protection piece comprises a protection shell for protecting the folded organ cover; the utility model effectively solves the problems that the existing passivation tank is generally opened, and when the passivation tank is not used, external pollutants such as external dust, impurities and the like can enter the passivation tank to pollute the cleanliness of the passivation solution, so that the effectiveness of the passivation solution is influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of passivation tanks, in particular to a hot-dip galvanizing chromium-free passivation tank. Background Art

[0002] Chromium-free passivation of hot-dip galvanized workpieces is a crucial step in the hot-dip galvanizing process. Chromium-free passivation baths utilize a specific chemical treatment process to form a dense passivation film on the workpiece surface. This film offers excellent corrosion resistance, effectively preventing rust in humid or corrosive environments.

[0003] The passivation tank contains passivation liquid. The existing passivation tank is usually open. When the passivation tank is not in use, external pollutants such as dust and impurities will enter the passivation tank, which will pollute the cleanliness of the passivation liquid and thus affect the effectiveness of the passivation liquid. Utility Model Content

[0004] The purpose of the present utility model is to solve the problem that the existing passivation tank mentioned in the above background technology is usually open. When the passivation tank is not in use, external pollutants such as dust and impurities will enter the passivation tank, causing pollution to the cleanliness of the passivation liquid, thereby affecting the effectiveness of the passivation liquid.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A hot-dip galvanized chromium-free passivation tank comprises a tank body, a protective member and a protective member, wherein the protective member is arranged on the tank body, the protective member comprises an accordion cover that covers the top of the tank body for protection, and the protective member is arranged on the tank body, the protective member comprises a protective shell that protects the folded accordion cover.

[0007] Preferably, the protective member also includes a movable plate, and two movable plates are provided. The two movable plates are respectively located at both ends of the accordion cover and connected to one side of the accordion cover. The accordion cover is connected to the trough body away from the side of the movable plate. A connecting plate is provided on the movable plate, and a cylindrical rod is provided on the connecting plate. A roller is provided on one end of the cylindrical rod connecting plate. The passivation tank can be covered by the protective member when it is not in use, so as to protect the passivation liquid in the tank body.

[0008] Preferably, movable grooves are symmetrically opened on the trough body, and the two rollers are respectively movable in the two movable grooves. The rollers can move stably in the movable grooves. When the movable plate is pulled, the movable plate can drive the rollers to move in the movable grooves through the connecting plate.

[0009] Preferably, the protective member also includes a limiting rod, a fixing plate is provided on the limiting rod, the fixing plate is fixedly connected to the trough body, and the protective shell is movably provided on the limiting rod. The protective member can protect the folded accordion cover, and can prevent the passivation liquid from splashing on the accordion cover and causing corrosion to it when the passivation tank is in use.

[0010] Preferably, movable holes are symmetrically provided on the protective shell, and the two ends of the limit rod are respectively located in the two movable holes on the protective shell. The protective shell can be rotated through the movable holes. By rotating the protective shell, the accordion cover below can be exposed, so that workers can pull out the accordion cover and unfold it. After the protective shell is rotated to a vertical state, it can be moved downward, so that the protective shell can be hung vertically on the limit rod, thereby reducing the space occupied by the protective shell.

[0011] Preferably, the limiting rod is symmetrically provided with limiting ends, and the limiting ends are located inside the protective shell. The protective shell can be limited by the limiting ends, so that the protective shell is stably and movably connected to the limiting rod.

[0012] Preferably, a through hole is provided on the movable plate, a connecting rod is movably provided in the through hole, and a positioning piece is provided on the groove body to cooperate with the connecting rod. Through the connection between the connecting rod and the positioning piece, the shape of the unfolded accordion cover can be fixed so that the accordion cover can be stably in the unfolded state.

[0013] Preferably, the positioning member includes a fixing block, a connecting hole is opened on the fixing block, grooves are symmetrically provided in the connecting hole, and positioning plates are provided in both grooves. The positioning plate is an elastic plate that can be deformed when in use, and the connecting rod can be quickly connected to the positioning member through the positioning plate.

[0014] Preferably, a connecting head is provided at one end of the connecting rod facing the positioning member, and a limiting plate is provided on the connecting rod. The movable plate is located between the connecting head and the limiting plate. The connecting rod can be limited by the limiting plate and the connecting head to prevent it from moving out of the through hole, and can be matched and connected with the positioning plate through the connecting head.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The utility model is provided with a protective piece, which can cover the passivation tank when it is not in use, thereby protecting the passivation liquid in the tank body, preventing dust, impurities and other external pollutants from falling into the passivation tank, thereby maintaining the cleanliness and effectiveness of the passivation liquid, and also preventing insects and other creatures from entering;

[0017] The provided protective piece can protect the folded accordion cover, and can prevent the passivation liquid from splashing on the accordion cover and causing corrosion when the passivation tank is in use. The provided connecting rod can be quickly connected or separated from the provided positioning piece. By connecting the connecting rod and the positioning piece, the accordion cover can be stably maintained in the expanded state. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a view of the protective member of the present invention away from the guard member;

[0021] Figure 3 This is an exploded view of the protective element structure of the present utility model;

[0022] Figure 4 This is a structural view of the protective member of the present utility model;

[0023] Figure 5 This is a structural view of the connecting rod of the present utility model;

[0024] Figure 6 This is a cross-sectional view of the positioning member of the present utility model;

[0025] Figure 7 This is a three-dimensional view of the positioning plate of the present utility model.

[0026] Explanation of figure numbers: 1. Trough body; 11. Moving trough; 2. Protective part; 21. Organ cover; 22. Moving plate; 23. Connecting plate; 24. Cylindrical rod; 25. Roller; 3. Protective part; 31. Protective shell; 311. Moving hole; 32. Fixed plate; 33. Limiting rod; 331. Limiting end; 4. Positioning part; 41. Fixed block; 42. Connecting hole; 43. Positioning plate; 5. Connecting rod; 51. Connecting head; 52. Limiting plate. DETAILED DESCRIPTION

[0027] The present invention is described in further detail below with reference to the accompanying drawings.

[0028] The following description is intended to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are for illustrative purposes only, and those skilled in the art will readily appreciate other obvious variations. The basic principles of the present invention as defined in the following description may be applied to other embodiments, variations, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the present invention.

[0029] Those skilled in the art should understand that, in the disclosure of the present invention, the terms "longitudinal", "transverse", "up", "down", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like to indicate directions or positions are based on the directions or positional relationships shown in the accompanying drawings, which are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or component referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the above terms should not be understood as limitations on the present invention.

[0030] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the elements may be multiple, and the term "one" should not be understood as a limitation on the quantity. Example

[0031] See also Figures 1-4 , a hot-dip galvanized chromium-free passivation tank, which includes a tank body 1, a protective member 2 and a protective member 3. The protective member 2 is arranged on the tank body 1, and the protective member 2 includes an accordion cover 21 for protecting the top of the tank body 1. The protective member 3 is arranged on the tank body 1, and the protective member 3 includes a protective shell 31 for protecting the folded accordion cover 21. The protective member 2 also includes a movable plate 22. The movable plate 22 is provided with two, and the two movable plates 22 are respectively located at both ends of the accordion cover 21 and are connected to one side of the accordion cover 21. The accordion cover 21 is connected to the tank body 1 away from the side of the movable plate 22. A connecting plate 23 is provided on the movable plate 22, and a cylindrical rod 24 is provided on the connecting plate 23. A roller 25 is sleeved on one end of the cylindrical rod 24. The passivation tank can be covered by the protective member 2 when it is not in use, so as to protect the passivation liquid in the tank body 1.

[0032] Furthermore, the trough body 1 is symmetrically provided with movable grooves 11, and two rollers 25 are respectively movable in the two movable grooves 11. The rollers 25 can move stably in the movable grooves 11. When the movable plate 22 is pulled, the movable plate 22 can drive the rollers 25 to move in the movable groove 11 through the connecting plate 23. The protective member 3 also includes a limiting rod 33. The limiting rod 33 is provided with a fixed plate 32. The fixed plate 32 is fixedly connected to the trough body 1. The protective shell 31 is movably provided on the limiting rod 33. The protective member 3 can protect the folded accordion cover 21, which can prevent the passivation liquid from splashing on the accordion cover 21 and causing corrosion when the passivation tank is in use.

[0033] Furthermore, movable holes 311 are symmetrically provided on the protective shell 31, and the two ends of the limit rod 33 are respectively located in the two movable holes 311 on the protective shell 31. The protective shell 31 can be rotated through the movable holes 311. By rotating the protective shell 31, the accordion cover 21 below can be exposed, so that the worker can pull out the accordion cover 21 and unfold it. After the protective shell 31 is rotated to a vertical state, it can be moved downward so that the protective shell 31 can be hung vertically on the limit rod 33, thereby reducing the space occupied by the protective shell 31. The limit end 331 is symmetrically provided on the limit rod 33, and the limit end 331 is located on the inner side of the protective shell 31. The protective shell 31 can be limited by the limit end 331, so that the protective shell 31 is stably and movably connected to the limit rod 33.

[0034] When the passivation tank is not in use, the protective shell 31 can be rotated upward and lifted up, so that the protective shell 31 is rotated to a position where the movable hole 311 is perpendicular to the tank body 1, and then the protective shell 31 can be moved down and put down first to expose the accordion cover 21 inside the protective shell 31, and then the movable plate 22 can be pulled toward the positioning member 4. The movable plate 22 can pull the folded accordion cover 21 to unfold, and the unfolded accordion cover 21 can cover the top of the tank body 1, thereby protecting the passivation liquid in the tank body 1 and preventing external pollutants such as dust and impurities from falling into the passivation tank, thereby maintaining the cleanliness and effectiveness of the passivation liquid and preventing insects and other creatures from entering;

[0035] When the passivation tank needs to be used, the accordion cover 21 is in a folded state, and the protective shell can cover the accordion cover 21 to protect it, thereby preventing the passivation liquid from splashing on the accordion cover 21 and causing corrosion when the passivation tank is in use.

[0036] Please refer to Figure 5-Figure 7 A through hole is provided on the movable plate 22, and a connecting rod 5 is movably provided in the through hole. A positioning member 4 is provided on the groove body 1 to cooperate with the connecting rod 5. Through the connection between the connecting rod 5 and the positioning member 4, the shape of the unfolded accordion cover 21 can be fixed, so that the accordion cover 21 can be stably in the unfolded state.

[0037] It should be noted that the positioning member 4 includes a fixing block 41, a connecting hole 42 is opened on the fixing block 41, grooves are symmetrically provided in the connecting hole 42, and positioning plates 43 are provided in the two grooves. The positioning plate 43 is an elastic plate that can be deformed when in use. The positioning plate 43 can enable the connecting rod 5 to be quickly connected to the positioning member 4. The connecting rod 5 is provided with a connecting head 51 at one end facing the positioning member 4, and a limiting plate 52 is provided on the connecting rod 5. The movable plate 22 is located between the connecting head 51 and the limiting plate 52. The connecting rod 5 can be limited by the limiting plate 52 and the connecting head 51 to prevent it from moving out of the through hole, and can be matched with the positioning plate 43 through the connecting head 51.

[0038] The connecting head 51 on the connecting rod 5 can be inserted into the connecting hole 42 on the fixed block 41, and the connecting rod 5 is pushed toward the positioning plate 43. The positioning plate 43 can be deformed so that the connecting head 51 can pass over the positioning plate 43, and then the positioning plate 43 rebounds to position the connecting head 51, thereby positioning the connecting rod 5. The connecting rod 5 positions the movable plate 22 so that the accordion cover 21 can be fixed in shape after unfolding.

[0039] Those skilled in the art will appreciate that the embodiments of the present invention described above and shown in the accompanying drawings are intended only as examples and do not limit the present invention. The objectives of the present invention have been fully and effectively achieved. The functions and structural principles of the present invention have been demonstrated and illustrated in the embodiments. Any variations or modifications may be made to the embodiments of the present invention without departing from the principles described.

Claims

1. A hot-dip galvanizing chromium-free passivation tank, characterized in that: It includes a tank body (1); A protective member (2) is provided on the tank body (1), wherein the protective member (2) includes an accordion cover (21) for covering the tank body (1) for protection; A protective member (3) is provided on the trough body (1), and the protective member (3) includes a protective shell (31) for protecting the folded accordion cover (21).

2. A hot-dip galvanizing chromium-free passivation tank according to claim 1, characterized in that: The protective member (2) further comprises a movable plate (22), wherein two movable plates (22) are provided, and the two movable plates (22) are respectively located at both ends of the accordion cover (21) and connected to one side of the accordion cover (21). The accordion cover (21) is connected to the tank body (1) on the side away from the movable plate (22). The movable plate (22) is provided with a connecting plate (23), and the connecting plate (23) is provided with a cylindrical rod (24). The cylindrical rod (24) is provided with a roller (25) on one end of the connecting plate (23).

3. A hot-dip galvanizing chromium-free passivation tank according to claim 2, characterized in that: The trough body (1) is symmetrically provided with movable grooves (11), and the two rollers (25) are respectively movable in the two movable grooves (11).

4. A hot-dip galvanizing chromium-free passivation tank according to claim 1, characterized in that: The protective member (3) further comprises a limiting rod (33), a fixing plate (32) is provided on the limiting rod (33), the fixing plate (32) is fixedly connected to the tank body (1), and the protective shell (31) is movably provided on the limiting rod (33).

5. A hot-dip galvanizing chromium-free passivation tank according to claim 4, characterized in that: The protective shell (31) is symmetrically provided with movable holes (311), and the two ends of the limiting rod (33) are respectively located in the two movable holes (311) on the protective shell (31).

6. A hot-dip galvanizing chromium-free passivation tank according to claim 5, characterized in that: The limiting rod (33) is symmetrically provided with a limiting end (331), and the limiting end (331) is located inside the protective shell (31).

7. A hot-dip galvanizing chromium-free passivation tank according to claim 3, characterized in that: A through hole is provided on the movable plate (22), a connecting rod (5) is movably provided in the through hole, and a positioning piece (4) is provided on the trough body (1) and is connected to the connecting rod (5).

8. A hot-dip galvanizing chromium-free passivation tank according to claim 7, characterized in that: The positioning member (4) includes a fixing block (41), a connecting hole (42) is provided on the fixing block (41), grooves are symmetrically provided in the connecting hole (42), and positioning plates (43) are provided in both grooves.

9. A hot-dip galvanizing chromium-free passivation tank according to claim 8, characterized in that: A connecting head (51) is provided at one end of the connecting rod (5) facing the positioning member (4), a limiting plate (52) is provided on the connecting rod (5), and the movable plate (22) is located between the connecting head (51) and the limiting plate (52).

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