Section bar hot galvanizing production line and galvanizing process thereof

Abstract

The invention provides a sectional material hot galvanizing production line and a galvanizing process thereof, and relates to the field of sectional material hot galvanizing. The device comprises a galvanizing pool, two pickling pools and two washing pools, a frame plate is arranged on the galvanizing pool, a galvanizing mechanism is arranged between the galvanizing pool and the frame plate, the galvanizing mechanism comprises a lowering assembly, a jacking assembly and a conveying assembly, the lowering assembly is arranged between the frame plate and the galvanizing pool, and the jacking assembly and the conveying assembly are arranged on the galvanizing pool. The method has the effect of being not prone to zinc splashing.

Description

Technical Field

[0001] The present application relates to the field of hot-dip galvanizing of profiles, and in particular to a hot-dip galvanizing production line for profiles and a galvanizing process thereof. Background Art

[0002] Hot-dip galvanizing is a process in which molten metal reacts with an iron matrix to produce an alloy layer, thereby combining the matrix and the coating. Hot-dip galvanizing has the advantages of uniform coating, strong adhesion, and long service life.

[0003] At present, in the traditional hot-dip galvanizing process, the profiles are generally transported directly to the galvanizing pool after the surface pretreatment of the profiles is completed; then, the profiles fall into the galvanizing pool for galvanizing by their own gravity.

[0004] However, due to the heavy weight of the profile, zinc splashing is likely to occur when the profile falls into the galvanizing pool, which not only wastes a large amount of zinc liquid, but also easily injures workers accidentally. Summary of the invention

[0005] In order to improve the problems existing in the above-mentioned technologies, the present application provides a profile hot-dip galvanizing production line and a galvanizing process thereof.

[0006] In the first aspect, the present application provides a profile hot-dip galvanizing production line, which adopts the following technical solution: A profile hot-dip galvanizing production line comprises: a galvanizing pool, two pickling pools and two water washing pools, wherein a frame plate is arranged on the galvanizing pool, a galvanizing mechanism is arranged between the galvanizing pool and the frame plate, and the galvanizing mechanism comprises: a lowering component, a lifting component and a conveying component, wherein the lowering component is arranged between the frame plate and the galvanizing pool, and the lifting component and the conveying component are arranged on the galvanizing pool.

[0007] By adopting the above technical solution, the lowering component can support the profile to reduce the distance between the profile and the zinc liquid, so that when the profile falls into the galvanizing pool, it is not easy to generate a large impact force and zinc splashing is not easy to occur.

[0008] Optionally, the lowering assembly includes: a rotating rod, a control rod, a control gear, a control cylinder and multiple control hooks, the rotating rod is rotatably mounted on the frame plate, the control hook is fixed on the rotating rod, the control cylinder is fixed on the frame plate, and the output shaft of the control cylinder is fixed to the control rod, one end of the control rod passes through the frame plate, and the other end is provided with a tooth groove, the control gear is coaxially sleeved on the rotating rod, and the control gear is meshed in the tooth groove.

[0009] By adopting the above technical solution, when the profile is transported to the galvanizing pool, the profile is untied and falls onto the control hook; then, the control cylinder is started to drive the control rod to move upward. During this process, the control gear drives the rotating rod to rotate so that the control hook can flip to the side away from the inner wall of the galvanizing pool, so that the control hook releases the support for the profile, so that the profile can fall into the galvanizing pool for galvanizing; and because the distance between the profile and the zinc liquid is small, when the profile falls into the galvanizing pool, it is not easy to generate a large impact force, so it is not easy to splash zinc.

[0010] Optionally, the lowering component further includes: a guide plate, which is tilted and fixed in the galvanizing pool, and a guide groove is formed on the guide plate.

[0011] By adopting the above technical solution and utilizing the setting of the guide plate, the profile can slide toward the lifting assembly, thereby facilitating the lifting assembly to lift the profile upward.

[0012] Optionally, the lowering component also includes: a sliding block, a pushing rod, a pushing plate, a guide rod and a pushing spring, the bottom of the guide groove is provided with a sliding groove, the sliding block is slidably arranged in the sliding groove, the pushing plate is fixed on the sliding block, the pushing spring is fixed between the sliding block and the inner wall of the sliding groove, one end of the guide rod is fixed to the sliding block, and the other end passes through the guide plate, one end of the pushing rod is hinged to the control rod, and the other end is hinged to the pushing plate.

[0013] By adopting the above technical solution, in the process of controlling the hook to abut against the inner wall of the galvanizing pool again, the pushing plate will push the profile through the push of the pushing rod and the elastic force of the pushing spring, so that the end of the profile away from the pushing plate moves to the jacking assembly, thereby facilitating the jacking assembly to lift the profile.

[0014] Optionally, the lifting assembly includes: a control part and a lifting part, the control part includes: a base plate, a lifting cylinder, a driving rod and a rotating rod, the rotating rod is rotatably installed on the base plate, and the driving rod is fixed to the rotating rod, the lifting part is fixed to the rotating rod, the lifting cylinder is hingedly installed on the base plate, and the output shaft of the lifting cylinder is hingedly connected to the driving rod.

[0015] By adopting the above technical solution, after the profile moves to the jacking part, the jacking cylinder is started to push the driving rod to drive the rotating rod to rotate.

[0016] Optionally, the lifting part includes: a lifting rod, a fixing rod and two blocking rods, the lifting rod is fixedly connected to the rotating rod, the fixing rod is fixed on the lifting rod, and the blocking rod is fixed on the fixing rod.

[0017] By adopting the above technical solution, when the profile slides, the profile will pass through between the two blocking rods; then, the lifting cylinder is started to drive the rotating rod to rotate; the rotation of the rotating rod can drive the lifting rod to flip upward away from the end of the rotating rod, so that the profile can be lifted; until the profile abuts against the conveying assembly, so that the conveying assembly can convey the profile.

[0018] Optionally, the conveying assembly includes: a base frame, a conveying roller, a sprocket and a chain, the conveying roller is rotatably mounted on the bracket, and the sprocket is coaxially fixed with the conveying roller, and the chain is engaged between the sprockets on adjacent conveying rollers.

[0019] By adopting the above technical solution, when the profile is lifted up to abut against the conveying roller, the conveying roller is driven to rotate, so that the profile can be conveyed out of the galvanizing pool.

[0020] Optionally, it also includes: a purification component, which includes: a support frame, a purification tank, a drive shaft, a spiral blade, a transmission belt, a drive motor and a waste trough, the purification tank is tilted and fixed on the support frame, one end of the drive shaft is rotatably installed in the purification tank and fixed to the spiral blade, and the other end passes through the purification tank, the drive motor is installed on the support frame, and the transmission belt is transmitted between the output shaft of the drive motor and the drive shaft, the waste trough is fixed on the support frame, the purification tank is connected with a flue, and the purification tank is penetrated by a zinc ash feed port, an ash drop port and a zinc liquid discharge port.

[0021] By adopting the above technical solution, the drive motor is started to drive the drive shaft to drive the spiral blade to rotate, so that the zinc liquid in the purification tank flows back to the galvanizing pool from the zinc liquid discharge port to improve the quality of galvanizing of the profile; and the separated ash is transported by the spiral blade to the ash discharge port for discharge.

[0022] Optionally, the liquid in the water washing tank is a mixture of ammonium chloride and zinc chloride in a mass ratio of 200:150 to form a plating aid.

[0023] By adopting the above technical solution, the mixed solution of ammonium chloride and zinc chloride is used, which can not only clean the profile but also form a plating aid, thereby improving the galvanizing effect of the profile.

[0024] In a second aspect, the present application provides a galvanizing process for a profile hot-dip galvanizing production line, which adopts the following technical solution: A galvanizing process for a profile hot-dip galvanizing production line comprises the following steps: S1: Using the lifting equipment, place the single profile into two pickling tanks for pickling; S2: placing the profiles into two washing tanks in turn for washing; S3: The profile is hoisted to the galvanizing pool, and the profile can be slowly immersed in the galvanizing pool by setting the lowering components, so that zinc splashing is not likely to occur; S4: Through the setting of the lowering assembly, the profile can be moved in the galvanizing tank to the lifting assembly; S5: Through the setting of the lifting component, the end of the profile close to the lifting component is lifted until it contacts the conveying component; S5: Through the setting of the conveying component, the profile can be conveyed to the next processing place; S6: Repeat steps S1 to S5.

[0025] By adopting the above technical solution, the profile is not prone to zinc splashing during galvanizing.

[0026] In summary, the present application includes at least one of the following beneficial effects: 1. The lowering assembly can support the profile to reduce the distance between the profile and the zinc liquid, so that when the profile falls into the galvanizing pool, it is not easy to generate a large impact force and zinc splashing is not easy to occur.

[0027] 2. When the control hook contacts the inner wall of the galvanizing pool again, the pushing plate will push the profile through the pushing rod and the elastic force of the pushing spring, so that the end of the profile away from the pushing plate moves to the lifting assembly, thereby facilitating the lifting of the profile by the lifting assembly.

[0028] 3. The mixed solution of ammonium chloride and zinc chloride can not only clean the profile, but also form a plating aid, thereby improving the galvanizing effect of the profile. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 is a schematic structural diagram according to an embodiment of the present application; Figure 2 is a schematic structural diagram of a lowering component in an embodiment of the present application; Figure 3 yes Figure 2 A schematic partial enlarged view of part A; Figure 4 is a schematic structural diagram of a conveying assembly in an embodiment of the present application; Figure 5 yes Figure 4 A schematic partial enlarged view of part B; Figure 6 yes Figure 2 A schematic partial enlarged view of section C; Figure 7 yes Figure 2 Schematic partial enlarged view of part D in the figure.

[0030] In the figure: 1, galvanizing tank; 11, rack plate; 2, pickling tank; 3, washing tank; 4, lowering assembly; 41, rotating rod; 42, control rod; 421, tooth groove; 43, control gear; 44, control cylinder; 45, control hook; 46, guide plate; 461, guide groove; 462, sliding groove; 47, sliding block; 48, push rod; 49, push plate; 40, guide rod; 401, push spring; 5, control unit; 51, base plate; 52, lifting cylinder; 53. Driving rod; 54. Rotating rod; 6. Lifting part; 61. Lifting rod; 62. Fixed rod; 63. Blocking rod; 7. Conveying assembly; 71. Base frame; 72. Conveying roller; 73. Sprocket; 74. Chain; 8. Purification assembly; 81. Support frame; 82. Purification tank; 821. Zinc ash feed port; 822. Zinc liquid discharge port; 823. Ash drop port; 83. Driving shaft; 84. Spiral blade; 85. Transmission belt; 86. Driving motor; 87. Waste trough. DETAILED DESCRIPTION

[0031] The present application provides a profile hot-dip galvanizing production line.

[0032] See also Figure 1 A hot-dip galvanizing production line for profiles includes: a galvanizing pool 1, two pickling pools 2 and two water washing pools 3. In the embodiment of the present application, the galvanizing pool 1, the pickling pool 2 and the water washing pool 3 can be embedded in the ground when actually used. When galvanizing, the profiles are first placed in the two pickling pools 2 in sequence to remove iron oxide on the surface of the profiles; then, the profiles are placed in the two water washing pools 3 in sequence to clean the profiles, thereby improving the quality of galvanizing; finally, the profiles are placed in the galvanizing pool 1 to complete the galvanizing of the profiles.

[0033] See also Figure 1 In the embodiment of the present application, the liquid in the washing tank 3 is a mixture of ammonium chloride and zinc chloride, and the mass ratio of ammonium chloride to zinc chloride is 200:150. The mixture of ammonium chloride and zinc chloride is used to form a plating aid, thereby improving the galvanizing effect of the profile. In the embodiment of the present application, during galvanizing, the cleaning and galvanizing are carried out in the form of single-to-single connection, rather than directly tying the profiles into bundles for cleaning. On the one hand, the ratio of ammonium chloride to zinc chloride can be reduced to achieve the effect of cost saving; on the other hand, the cleaning quality of the profile can be improved, thereby indirectly improving the galvanizing quality of the profile.

[0034] See also Figure 1 A frame plate 11 is fixedly provided on the top wall of the galvanizing pool 1, and the frame plate 11 is "L" shaped; and a galvanizing mechanism is provided between the frame plate 11 and the galvanizing pool 1, and the galvanizing mechanism can quickly galvanize the profiles, and zinc splashing is not likely to occur.

[0035] See also Figure 1The galvanizing mechanism includes: a lowering component 4, a lifting component and a conveying component 7.

[0036] See also Figure 2 and Figure 3 The lowering assembly 4 includes: a rotating rod 41, a control rod 42, a control gear 43, a control cylinder 44 and a plurality of control hooks 45. The rotating rod 41 is rotatably mounted on the frame plate 11 and is horizontally arranged, and one end of the control hook 45 is fixedly connected to the rotating rod 41 and the other end is abutted against the inner wall of the galvanizing pool 1; in the embodiment of the present application, the plurality of control hooks 45 are evenly distributed along the length direction of the rotating rod 41.

[0037] See also Figure 2 and Figure 3 The control cylinder 44 is mounted on the top wall of the frame 11; one end of the control rod 42 is fixedly connected to the output shaft of the control cylinder 44, and the other end passes through the frame 11 so as to be able to move up and down. The control rod 42 faces one side of the rotating rod 41 and has a tooth groove 421 in the vertical direction; the control gear 43 is coaxially fixedly sleeved on the rotating rod 41, and the control gear 43 is meshed in the tooth groove 421. When the profile is transported to the galvanizing pool 1, the profile is untied and falls onto the control hook 45; then, the control cylinder 44 is started to drive the control rod 42 to move upward. During this process, the control gear 43 drives the rotating rod 41 to rotate, so that the control hook 45 can flip to the side away from the inner wall of the galvanizing pool 1, so that the control hook 45 releases the support for the profile, so that the profile can fall into the galvanizing pool 1 for galvanizing; and because the distance between the profile and the zinc liquid is small, when the profile falls into the galvanizing pool 1, it is not easy to generate a large impact force, so it is not easy to splash zinc; After galvanizing a single profile, the control cylinder 44 is started again to drive the control rod 42 to move downward until the control hook 45 abuts against the inner wall of the galvanizing tank 1 again, thereby facilitating the support of subsequent profiles.

[0038] See also Figure 4 and Figure 5 Furthermore, the lowering component 4 also includes: a guide plate 46, which is fixed obliquely in the galvanizing pool 1, and one end of the guide plate 46 close to the conveying component 7 is inclined downward. When the profile falls to the guide plate 46, the profile can slide toward the lifting component by using the setting of the guide plate 46, thereby facilitating the lifting component to lift the profile upward.

[0039] See also Figure 5 A guide groove 461 is formed on the top wall of the guide plate 46 . The guide groove 461 is arc-shaped so that the profile can fall to the center of the guide plate 46 .

[0040] See also Figure 5Further, the lowering assembly 4 further includes: a sliding block 47, a pushing rod 48, a pushing plate 49, a guide rod 40 and a pushing spring 401. A sliding groove 462 is provided at the bottom of the guide groove 461 and along the length direction of the guide plate 46. The sliding block 47 is slidably arranged in the sliding groove 462 and slides along the length direction of the sliding groove 462. The pushing plate 49 is fixed on the top wall of the slider. One end of the pushing spring 401 is fixed to the side of the sliding block 47 away from the conveying assembly 7, and the other end is fixedly connected to the inner wall of the end of the sliding groove 462 away from the conveying assembly 7. The pushing spring 401 is used to push the sliding block 47 to move in the sliding groove 462.

[0041] See also Figure 5 One end of the push rod 48 is hingedly connected to the push plate 49, and the other end is hingedly connected to the bottom wall of the control rod 42. When the control hook 45 releases the support for the profile, the push rod 48 pulls the sliding block 47 to drive the push plate 49 to move away from the conveying assembly 7, that is, the push spring 401 is continuously compressed, so as to make room for the profile to fall; In the process of controlling the hook 45 to abut against the inner wall of the galvanizing pool 1 again, the pushing plate 49 will push the profile through the pushing of the pushing rod 48 and the elastic force of the pushing spring 401, so that the end of the profile away from the pushing plate 49 moves to the jacking assembly, thereby facilitating the jacking assembly to lift the profile.

[0042] See also Figure 6 The lifting assembly includes: a control unit 5 and a lifting unit 6.

[0043] See also Figure 6 The control part 5 includes: a base plate 51, a lifting cylinder 52, a driving rod 53 and a rotating rod 54. The base plate 51 is fixed on the ground, and the rotating rod 54 is rotatably mounted on the top wall of the base plate 51 and is arranged horizontally. The driving rod 53 is fixedly connected to one end of the rotating rod 54 away from the galvanizing pool 1; the lifting cylinder 52 is hingedly mounted on the top wall of the base plate 51, and the output shaft of the lifting cylinder 52 is hingedly connected to one end of the driving rod 53 away from the rotating rod 54. After the profile moves to the lifting part 6, the lifting cylinder 52 is started to push the driving rod 53 to drive the rotating rod 54 to rotate.

[0044] See also Figure 6The lifting part 6 includes: a lifting rod 61, a fixed rod 62 and two blocking rods 63. The lifting rod 61 is fixedly connected to the end of the rotating rod 54 away from the driving rod 53, and the lifting rod 61 is located in the galvanizing pool 1; the fixed rod 62 is fixedly connected to the end of the lifting rod 61 away from the rotating rod 54, and the fixed rod 62 and the lifting rod 61 are perpendicular to each other. The blocking rod 63 is fixed on the top wall of the fixed rod 62, and a space for the profile to pass through is reserved between the two blocking rods 63. When the profile slides, the profile will pass between the two blocking rods 63; then, the lifting cylinder 52 is started to drive the rotating rod 54 to rotate; the rotation of the rotating rod 54 can drive the end of the lifting rod 61 away from the rotating rod 54 to flip upward, so that the profile can be lifted; until the profile abuts against the conveying assembly 7, so that the conveying assembly 7 can convey the profile.

[0045] See also Figure 6 The conveying assembly 7 includes: a base frame 71, a conveying roller 72, a sprocket 73 and a chain 74. The base frame 71 is fixed on the ground, and the conveying roller 72 is rotatably mounted on the base frame 71. In the embodiment of the present application, a plurality of conveying rollers 72 are provided, and they are evenly distributed along the length direction of the base frame 71. The sprocket 73 is coaxially fixed with the conveying roller 72; the chain 74 is between adjacent sprockets 73. In the embodiment of the present application, any one of the conveying rollers 72 is driven by a motor. When the profile is lifted to abut against the conveying roller 72, the conveying roller 72 is driven to rotate, so that the profile can be conveyed to the outside of the galvanizing pool 1.

[0046] See also Figure 1 and Figure 7 Furthermore, a profile hot-dip galvanizing production line also includes: a purification component 8, the purification component 8 includes: a support frame 81, a purification tank 82, a drive shaft 83, a spiral blade 84, a transmission belt 85, a drive motor 86 and a waste tank 87, the purification tank 82 is tilted and fixed on the support frame 81, and the end of the purification tank 82 close to the galvanizing pool 1 is tilted downward; the top wall of the purification tank 82 is penetrated with a zinc ash feed port 821, the side of the purification tank 82 close to the galvanizing pool 1 is penetrated with a zinc liquid discharge port 822, and the side of the purification tank 82 away from the galvanizing pool 1 is penetrated with an ash drop port 823. One end of the drive shaft 83 is rotatably installed in the purification tank 82 and fixedly connected to the spiral blade 84, and the other end penetrates the purification tank 82 and extends outward.

[0047] See also Figure 1 and Figure 7The driving motor 86 is fixedly mounted on the support frame 81, and the transmission belt 85 is arranged between the output shaft of the driving motor 86 and the driving shaft 83. During the galvanizing process, a zinc-ash mixture is likely to exist in the zinc liquid in the galvanizing pool 1. Therefore, the zinc liquid can be transported to the purification tank 82 at this time, and the temperature in the purification tank 82 is increased by using a high-temperature combustion-supporting agent; then, the driving motor 86 is started to drive the driving shaft 83 to drive the spiral blade 84 to rotate, so that the zinc liquid in the purification tank 82 flows back to the galvanizing pool 1 from the zinc liquid discharge port 822 to improve the quality of the galvanizing of the profile; and the separated ash is transported by the spiral blade 84 to the ash outlet 823 for discharge.

[0048] See also Figure 1 and Figure 7 The waste trough 87 is fixed on the support frame 81, and the waste trough 87 is located below the purification tank 82, and the separated ash can fall into the waste trough 87 for collection.

[0049] The working principle of a profile hot-dip galvanizing production line of the present application is as follows: when the profile is transported to the galvanizing pool 1, the profile is untied and falls onto the control hook 45; then, the control cylinder 44 is started to drive the control rod 42 to move upward. During this process, the control gear 43 drives the rotating rod 41 to rotate so that the control hook 45 can flip to the side away from the inner wall of the galvanizing pool 1, so that the control hook 45 releases the support for the profile, so that the profile can fall into the galvanizing pool 1 for galvanizing; and because the distance between the profile and the zinc liquid is small, when the profile falls into the galvanizing pool 1, it is not easy to generate a large impact force, so it is not easy to splash zinc. The present application also provides a galvanizing process for a profile hot-dip galvanizing production line.

[0050] A galvanizing process for a profile hot-dip galvanizing production line comprises the following steps: S1: Using a lifting device, a single profile is placed in two pickling tanks 2 for pickling; S2: placing the profiles into two washing tanks 3 in sequence for washing; S3: The profile is hoisted to the galvanizing pool 1, and the profile can be slowly immersed in the galvanizing pool 1 by setting the lowering component 4, so that zinc splashing is not likely to occur; S4: By setting the lowering assembly 4, the profile can be moved in the galvanizing pool 1 to the jacking assembly; S5: through the setting of the lifting assembly, the end of the profile close to the lifting assembly is lifted until it contacts the conveying assembly 7; S5: Through the setting of the conveying component 7, the profile can be conveyed to the next processing place; S6: Repeat steps S1 to S5.

[0051] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A profile hot-dip galvanizing production line, characterized in that: include: A galvanizing pool (1), two pickling pools (2) and two washing pools (3), wherein the galvanizing pool (1) is provided with a frame plate (11), a galvanizing mechanism is provided between the galvanizing pool (1) and the frame plate (11), and the galvanizing mechanism comprises: a lowering component (4), a lifting component and a conveying component (7), wherein the lowering component (4) is provided between the frame plate (11) and the galvanizing pool (1), and the lifting component and the conveying component (7) are provided on the galvanizing pool (1).

2. The profile hot-dip galvanizing production line according to claim 1, characterized in that: The lowering assembly (4) comprises: a rotating rod (41), a control rod (42), a control gear (43), a control cylinder (44) and a plurality of control hooks (45); the rotating rod (41) is rotatably mounted on the frame plate (11); the control hook (45) is fixed on the rotating rod (41); the control cylinder (44) is fixed on the frame plate (11); and the output shaft of the control cylinder (44) is fixed to the control rod (42); one end of the control rod (42) passes through the frame plate (11) and the other end is provided with a tooth groove (421); the control gear (43) is coaxially sleeved on the rotating rod (41) and the control gear (43) is meshed in the tooth groove (421).

3. The profile hot-dip galvanizing production line according to claim 2, characterized in that: The lowering assembly (4) further comprises: a guide plate (46), the guide plate (46) being fixed in an inclined manner in the galvanizing pool (1), and a guide groove (461) being provided on the guide plate (46).

4. The profile hot-dip galvanizing production line according to claim 3, characterized in that: The lowering component (4) also includes: a sliding block (47), a pushing rod (48), a pushing plate (49), a guide rod (40) and a pushing spring (401); a sliding groove (462) is provided at the bottom of the guide groove (461); the sliding block (47) is slidably arranged in the sliding groove (462); the pushing plate (49) is fixed on the sliding block (47); the pushing spring (401) is fixed between the sliding block (47) and the inner wall of the sliding groove (462); one end of the guide rod (40) is fixed to the sliding block (47) and the other end passes through the guide plate (46); one end of the pushing rod (48) is hinged to the control rod (42) and the other end is hinged to the pushing plate (49).

5. The profile hot-dip galvanizing production line according to claim 1, characterized in that: The lifting assembly comprises: a control part (5) and a lifting part (6); the control part (5) comprises: a base plate (51), a lifting cylinder (52), a driving rod (53) and a rotating rod (54); the rotating rod (54) is rotatably mounted on the base plate (51), and the driving rod (53) is fixed to the rotating rod (54); the lifting part (6) is fixed to the rotating rod (54); the lifting cylinder (52) is hingedly mounted on the base plate (51), and the output shaft of the lifting cylinder (52) is hingedly connected to the driving rod (53).

6. The profile hot-dip galvanizing production line according to claim 5, characterized in that: The lifting part (6) comprises: a lifting rod (61), a fixing rod (62) and two blocking rods (63); the lifting rod (61) is fixedly connected to the rotating rod (54); the fixing rod (62) is fixed on the lifting rod (61); and the blocking rod (63) is fixed on the fixing rod (62).

7. The profile hot-dip galvanizing production line according to claim 1, characterized in that: The conveying assembly (7) comprises: a base frame (71), a conveying roller (72), a sprocket (73) and a chain (74); the conveying roller (72) is rotatably mounted on the bracket, and the sprocket (73) is coaxially fixed with the conveying roller (72); and the chain (74) is meshed between the sprockets (73) on adjacent conveying rollers (72).

8. The profile hot-dip galvanizing production line according to claim 1, characterized in that: Also includes: A purification component (8), the purification component (8) comprising: a support frame (81), a purification tank (82), a drive shaft (83), a spiral blade (84), a transmission belt (85), a drive motor (86) and a waste tank (87), the purification tank (82) being tilted and fixed on the support frame (81), one end of the drive shaft (83) being rotatably mounted in the purification tank (82) and fixed to the spiral blade (84), and the other end of the drive shaft (83) penetrating the purification tank (82) and the spiral blade (84) 82), the driving motor (86) is installed on the supporting frame (81), and the transmission belt (85) is transmitted between the output shaft of the driving motor (86) and the driving shaft (83), the waste trough (87) is fixed on the supporting frame (81), the purification tank (82) is connected with a flue, and the purification tank (82) is penetrated by a zinc ash feeding port (821), an ash dropping port (823) and a zinc liquid discharging port (822).

9. The profile hot-dip galvanizing production line according to claim 1, characterized in that: The liquid in the water washing tank (3) is a mixed solution of ammonium chloride and zinc chloride, and the mass ratio is 200:150, so as to form a plating aid.

10. The galvanizing process of the profile hot-dip galvanizing production line according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1: using a lifting device, placing a single profile into two pickling tanks (2) in turn for pickling; S2: placing the profiles into two washing tanks (3) in sequence for washing; S3: the profile is hoisted to the galvanizing pool (1), and the profile is slowly immersed in the galvanizing pool (1) by setting the lowering assembly (4), so that zinc splashing is not likely to occur; S4: by setting the lowering assembly (4), the profile can be moved in the galvanizing tank (1) to the lifting assembly; S5: through the setting of the lifting assembly, the end of the profile close to the lifting assembly is lifted until it contacts the conveying assembly (7); S5: Through the setting of the conveying component (7), the profile can be conveyed to the next processing place; S6: Repeat steps S1 to S5.

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