Galvanizing rack plating production line and galvanizing process thereof

Abstract

The invention discloses a galvanization rack plating production line and a galvanization process thereof, and relates to the technical field of galvanization, the galvanization rack plating production line comprises a bottom plate, the top of the bottom plate is fixedly connected with a rack plating pool, one side of the rack plating pool is provided with a pretreatment mechanism, the pretreatment mechanism comprises a treatment pool, a spray head and stirring blades, and the treatment pool is fixedly connected to the top of the bottom plate. A workpiece is deoiled and derusted through the pretreatment pool before galvanization, the surface is kept clean, the washing effect of the workpiece can be improved through the heating pipe and the stirring blades, and subsequent galvanization of the workpiece is facilitated through primary washing and secondary washing; a guide plate and a threaded rod can keep the lifting mechanism to do reciprocating motion on the top of the bottom plate, position adjustment of the hanging frame and the workpiece is facilitated, the workpiece is conveniently washed again after being galvanized, and the influence of impurities on a galvanizing solution is reduced; the hydraulic push rod can drive the connecting assembly to move at the bottom of the cross beam, full contact between the workpiece and galvanizing liquid is facilitated, the connecting strip is connected with the rack plate and the cross beam, and the hanging frame and the workpiece can be driven to stably ascend and descend.

Description

Technical Field

[0001] The invention relates to the technical field of galvanizing, in particular to a galvanizing rack plating production line and a galvanizing process thereof. Background Art

[0002] Galvanizing refers to a surface treatment technology that coats a layer of zinc on the surface of metal, alloy or other materials for aesthetics and rust prevention. Rack plating is a process in which the workpiece is clamped on a rack. It is suitable for large parts, with a small number of products that can be plated in each batch and a coating thickness of more than 10μm. Rack galvanizing is a process that uses rack plating to galvanize the workpiece to protect it.

[0003] In the prior art, for example, Chinese patent number CN112779589B, titled “A High-efficiency Galvanizing Rack Plating Production Line and Process Thereof”, comprises a rack plating pool, a hanger arranged outside the rack plating pool and used to mount workpieces, a lifting frame arranged outside the rack plating pool, and a lifting mechanism arranged on the lifting frame and used to lift the hanger, wherein the hanger is provided with a shaking assembly for shaking the product; when the workpiece is galvanized, the workpiece is first fixed on the hanger, and then the hanger is fixed to the lifting mechanism, the hanger is lifted by the lifting mechanism and lifted to the top of the rack plating pool, and then the hanger is completely immersed in the solution in the rack plating pool, and when the workpiece is immersed in the solution, the workpiece is driven to shake in the solution by the shaking assembly.

[0004] However, in the prior art, the workpiece is moved in the solution by shaking, so as to reduce the immersion time while ensuring the galvanizing effect. When the workpiece is subjected to treatments such as thermal degreasing and water washing, the workpiece is located inside the plating tank. Impurities produced by degreasing and rust removal fall into the plating tank, affecting the galvanizing effect on the surface of the workpiece, causing the coating to become foggy and flowery, and in severe cases, the coating may become brittle. Summary of the invention

[0005] The object of the present invention is to provide a galvanizing rack plating production line and a galvanizing process thereof, so as to solve the problem proposed in the above-mentioned background technology that when the workpiece is subjected to thermal degreasing, water washing and other treatments, the workpiece is located inside a rack plating tank, and impurities generated by degreasing and rust removal fall into the rack plating tank, affecting the galvanizing effect on the surface of the workpiece, causing the coating to become foggy and flowery, and in severe cases, causing the coating to become brittle.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a galvanizing rack plating production line, comprising a bottom plate, a rack plating pool is fixedly connected to the top of the bottom plate, a pretreatment mechanism is arranged on one side of the rack plating pool, the pretreatment mechanism comprises a treatment pool, a nozzle and a stirring blade, the treatment pool is fixedly connected to the top of the bottom plate, a branch pipe is fixedly connected to the inner wall of the treatment pool, a nozzle is fixedly connected to one side of the branch pipe, the branch pipe is communicated with a horizontal pipe, and a stirring blade is arranged below the nozzle; a guide assembly is arranged on the bottom plate, a lifting mechanism is arranged above the guide assembly, the lifting mechanism comprises a motor three, a support rod and a rack plate, a motor three is fixedly connected to one side of the support rod, an output shaft of the motor three is fixedly connected to a gear, the gear is rotationally connected to the support rod, the gear is meshed with the rack plate, a connecting strip is fixedly connected to one side of the rack plate, and the rack plate is slidingly connected to the support rod, a connecting assembly is arranged on one side of the lifting mechanism, a lifting assembly is arranged below the connecting assembly, and the lifting assembly comprises a connecting block and a hook.

[0007] Preferably, the transverse tube is fixedly connected to the treatment pool, a heating tube is installed between the transverse tubes on the upper and lower sides, a plurality of heating wires are fixed inside the heating tube, a flushing tube is arranged below the transverse tube, and one end of the flushing tube passes through the side wall of the treatment pool.

[0008] Preferably, a motor 1 is fixedly connected to the side wall of the treatment pool, the output shaft of the motor 1 is fixedly connected to the connecting shaft, a V-belt is sleeved on the connecting shaft, and the connecting shaft is fixedly connected to the transverse shaft.

[0009] Preferably, a stirring blade is sleeved on the horizontal axis, the horizontal axis is rotatably connected to the treatment tank, and the stirring blade is located above the flushing pipe.

[0010] Preferably, a hanger and a hanger rod are provided inside the plating pool, the plating pool is fixedly connected to the top of the bottom plate, a hanger is provided inside the plating pool, and a hanger rod is fixedly connected to the side wall of the hanger.

[0011] Preferably, a hook is provided on the top of the hanger, and the top of the hook is fixedly connected to the connecting block. A connecting assembly is provided on the top of the connecting block, and the connecting assembly includes a cross beam and a hydraulic push rod. The cross beam is snap-connected to the connecting block, and a hydraulic push rod is installed on one side of the connecting block, and one end of the hydraulic push rod is fixedly connected to the connecting bar.

[0012] Preferably, a guide piece is fixedly connected to the bottom of the connecting strip, and the guide piece is slidably connected to the support rod. The guide piece is located on one side of the gear, and one side of the gear passes through the side wall of the support rod, and one side of the rack plate passes through the support rod and is fixedly connected to the connecting strip.

[0013] Preferably, the guide assembly includes a guide plate, a threaded rod and a second motor, the top of the guide plate is fixedly connected to a support rod, the bottom of the guide plate is snap-connected to a base plate, and the bottom of the guide plate is connected to the threaded rod via a threaded connection.

[0014] Preferably, one end of the threaded rod is fixedly connected to the output shaft of the second motor, the second motor is embedded in the bottom plate, and the guide plate is slidably connected to the bottom plate.

[0015] A galvanizing process of a galvanizing rack plating production line:

[0016] S1. Place the workpiece to be processed on the hanging rod of the hanging rack. When the workpiece is located inside the pretreatment mechanism, use a nozzle to rinse the surface of the workpiece and immerse the workpiece in the treatment tank to remove rust and oil from the workpiece.

[0017] S2. After the cleaning is completed, the solution inside the treatment tank is discharged, and water is injected to clean the workpiece for the second time. During the cleaning, the stirring blade drives the water flow to rotate to ensure that the water flow is fully in contact with the workpiece;

[0018] S3, the rack plate and the connecting strip drive the crossbeam to move upward, realize the lifting of the hanger, rinse the workpiece again, and the threaded rod drives the guide plate to move;

[0019] S4, moving the rack to the top of the rack plating tank, the rack moves down, the workpiece enters the rack plating tank and is immersed in the galvanizing liquid, and the position of the rack and the workpiece is adjusted by the hydraulic push rod, so that the workpiece is galvanized in the rack plating tank;

[0020] S5. Remove the rack and the workpiece from the plating tank, wash them again in the treatment tank, dry the washed workpiece to reduce the moisture on the surface, and then remove the workpiece from the rack.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. In the present invention, the workpiece is degreased and rusted in a pretreatment tank before galvanizing to keep the surface clean. The heating tube and the stirring blade can improve the water washing effect of the workpiece. After the initial water washing and the secondary water washing, the subsequent galvanizing of the workpiece is beneficial;

[0023] 2. In the present invention, the guide plate and the threaded rod can keep the lifting mechanism moving back and forth on the top of the bottom plate, which is beneficial to the position adjustment of the hanger and the workpiece, and is convenient for the workpiece to be washed again after galvanizing, reducing the influence of impurities on the galvanizing solution and ensuring the galvanizing effect of the workpiece surface;

[0024] 3. In the present invention, the hydraulic push rod can drive the connection assembly to shift at the bottom of the beam, so as to facilitate full contact between the workpiece and the galvanizing liquid. The connecting bar connects the rack plate and the beam, and can drive the stable lifting and lowering of the hanger and the workpiece, thereby assisting the separation of the workpiece and the galvanizing liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the structure of a connection component of a galvanizing rack plating production line of the present invention;

[0026] Figure 2 It is a schematic diagram of the internal structure of a rack plating pool of a galvanizing rack plating production line of the present invention;

[0027] Figure 3 This is a schematic diagram of a rack structure of a galvanizing rack plating production line of the present invention;

[0028] Figure 4 This is a schematic diagram of the installation of a heating tube structure of a galvanizing rack plating production line of the present invention;

[0029] Figure 5 This is a schematic diagram of the structure of a stirring blade of a galvanizing rack plating production line of the present invention;

[0030] Figure 6 This is a schematic diagram of the gear structure installation of a galvanizing rack plating production line of the present invention;

[0031] Figure 7 The present invention is a schematic diagram of the rack plate structure installation of a galvanizing rack plating production line.

[0032] In the figure: 1. connecting assembly; 11. crossbeam; 12. hydraulic push rod; 2. pretreatment mechanism; 21. treatment tank; 211. flushing pipe; 22. cross pipe; 23. heating pipe; 24. branch pipe; 25. nozzle; 26. V-belt; 27. connecting shaft; 271. motor one; 28. stirring blade; 29. ​​cross shaft; 3. hanging plating tank; 4. bottom plate; 5. rack; 51. hanging rod; 6. guide assembly; 61. guide plate; 62. threaded rod; 63. motor two; 7. lifting assembly; 71. connecting block; 72. hook; 8. lifting mechanism; 81. motor three; 82. guide member; 83. support rod; 84. gear; 85. rack plate; 86. connecting strip. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] Embodiment 1

[0035] Reference Figure 1-7As shown: a galvanizing rack plating production line, including a bottom plate 4, a rack plating pool 3 is fixedly connected to the top of the bottom plate 4, a pretreatment mechanism 2 is arranged on one side of the rack plating pool 3, the pretreatment mechanism 2 includes a treatment pool 21, a nozzle 25 and a stirring blade 28, the treatment pool 21 is fixedly connected to the top of the bottom plate 4, a branch pipe 24 is fixedly connected to the inner wall of the treatment pool 21, a nozzle 25 is fixedly connected to one side of the branch pipe 24, the branch pipe 24 is connected to the horizontal pipe 22, and a stirring blade 28 is arranged below the nozzle 25; a guide assembly 6 is arranged on the bottom plate 4, a lifting mechanism 8 is arranged above the guide assembly 6, the nozzle 25 inside the treatment pool 21 can be used to achieve rapid water washing of the workpiece, and the stirring blade 28 can assist the turning of the water flow to ensure that the water flow is in full contact with the surface of the workpiece;

[0036] The lifting mechanism 8 includes a motor 3 81, a support rod 83 and a rack plate 85. The motor 3 81 is fixedly connected to one side of the support rod 83. The output shaft of the motor 3 81 is fixedly connected to the gear 84. The gear 84 and the support rod 83 are rotationally connected. The gear 84 and the rack plate 85 are meshingly connected. A connecting bar 86 is fixedly connected to one side of the rack plate 85, and the rack plate 85 and the support rod 83 are slidingly connected. A connecting component 1 is provided on one side of the lifting mechanism 8. A lifting component 7 is provided below the connecting component 1. The lifting component 7 includes a connecting block 71 and a hook 72. The hook 72 connects the hanger 5 and the connecting block 71. The top of the connecting block 71 is connected to the crossbeam 11. The connection between the lifting component 7 and the lifting mechanism 8 is realized by using the connecting component 1, which assists in realizing the adjustment of the hanger 5 in the horizontal and vertical directions, and facilitates the adjustment of the position of the hanger 5 inside the plating tank 3 so that the workpiece contacts the galvanizing liquid.

[0037] The transverse tube 22 is fixedly connected to the processing pool 21. A heating tube 23 is installed between the transverse tubes 22 on the upper and lower sides. A plurality of heating wires are fixedly connected inside the heating tube 23. A flushing tube 211 is arranged below the transverse tube 22. One end of the flushing tube 211 passes through the side wall of the processing pool 21. The heating tube 23 can be used to adjust the water temperature entering the branch pipes 24 on both sides. The workpieces are washed separately with water flow at normal temperature and heated water, thereby improving the processing effect on the workpieces.

[0038] A motor 271 is fixedly connected to the side wall of the treatment tank 21, and the output shaft of the motor 271 is fixedly connected to the connecting shaft 27. A V-belt 26 is sleeved on the connecting shaft 27, and the connecting shaft 27 is fixedly connected to the transverse shaft 29. The V-belt 26 is used to connect the connecting shafts 27 on the upper and lower sides, and the motor 271 is used to drive the connecting shaft 27 to rotate, thereby realizing the rotation of the transverse shaft 29 and the stirring blades 28 inside the treatment tank 21, thereby realizing the reversal of the water flow.

[0039] A stirring blade 28 is sleeved on the horizontal shaft 29, and the horizontal shaft 29 is rotatably connected to the treatment tank 21. The stirring blade 28 is located above the flushing pipe 211, and a one-way valve is installed on the flushing pipe 211. There are two flushing pipes 211, one of which can pass water to flush the bottom of the inner cavity of the treatment tank 21 after the sewage inside the treatment tank 21 is discharged, and the other one discharges the sewage to reduce the residual impurities inside the treatment tank 21.

[0040] A hanger 5 and a hanger rod 51 are provided inside the plating pool 3. The plating pool 3 is fixedly connected to the top of the bottom plate 4. A hanger 5 is provided inside the plating pool 3. A hanger rod 51 is fixedly connected to the side wall of the hanger 5. The hanger rod 51 is symmetrically arranged on the hanger 5 to facilitate the placement of the workpiece on both sides of the hanger 5. The workpiece is placed in the processing pool 21 and the plating pool 3 in turn using the hanger 5.

[0041] A hook 72 is provided on the top of the hanger 5, and the top of the hook 72 is fixedly connected to the connecting block 71. A connecting component 1 is provided on the top of the connecting block 71. The connecting component 1 includes a crossbeam 11 and a hydraulic push rod 12. The crossbeam 11 is engaged with the connecting block 71. A hydraulic push rod 12 is installed on one side of the connecting block 71. One end of the hydraulic push rod 12 is fixedly connected to the connecting bar 86. One end of the hydraulic push rod 12 is connected to the connecting block 71 through a coupling, and the other end is fixedly connected to the connecting bar 86. The hydraulic push rod 12 can be used to push the reciprocating movement of the connecting block 71 to realize the left and right displacement of the hanger 5 inside the plating pool 3.

[0042] A guide member 82 is fixedly connected to the bottom of the connecting strip 86, and the guide member 82 is slidably connected to the support rod 83. The guide member 82 is located on one side of the gear 84, and one side of the gear 84 passes through the side wall of the support rod 83, and one side of the rack plate 85 passes through the support rod 83 and is fixedly connected to the connecting strip 86. The engagement of the rack plate 85 with the gear 84 can drive the rack plate 85 to rise and fall inside the support rod 83, and the support rod 83 can guide and support the movement of the rack plate 85.

[0043] The guide assembly 6 includes a guide plate 61, a threaded rod 62 and a motor 63. A support rod 83 is fixedly connected to the top of the guide plate 61. The bottom of the guide plate 61 is snap-connected to the base plate 4. The bottom of the guide plate 61 and the threaded rod 62 are threadedly connected. The top of the guide plate 61 is overlapped on the base plate 4, and the bottom is snap-connected in the snap-connecting groove of the base plate 4, which assists the stable movement of the lifting mechanism 8 and completes the position adjustment of the rack 5 between the treatment pool 21 and the plating pool 3.

[0044] One end of the threaded rod 62 is fixedly connected to the output shaft of the second motor 63, and the second motor 63 is embedded in the base plate 4. The guide plate 61 is slidably connected to the base plate 4. The second motor 63 is used to drive the threaded rod 62 to rotate, ensuring the smooth movement of the guide plate 61 on the base plate 4.

[0045] Embodiment 2

[0046] Reference Figure 1-7 As shown: The galvanizing process steps are as follows:

[0047] Step 1: First, place the workpiece to be processed on the hanging rod 51 of the hanging rack 5. When the workpiece is located inside the pretreatment mechanism 2, use the nozzle 25 to rinse the surface of the workpiece and immerse the workpiece in the treatment tank 21 to remove rust and oil from the workpiece.

[0048] Step 2: After the cleaning is completed, the solution in the treatment tank 21 is discharged, and water is injected to clean the workpiece for the second time. During the cleaning, the stirring blade 28 drives the water flow to rotate to ensure that the water flow is fully in contact with the workpiece;

[0049] Step 3: The rack plate 85 and the connecting bar 86 drive the crossbeam 11 to move upward, so as to realize the lifting of the hanger 5, and the workpiece is rinsed again, and the threaded rod 62 drives the guide plate 61 to move;

[0050] Step 4: Move the rack 5 to the top of the rack plating tank 3, move the rack 5 downward, and let the workpiece enter the rack plating tank 3 to be immersed in the galvanizing liquid. Use the hydraulic push rod 12 to adjust the position of the rack 5 and the workpiece, so that the workpiece is galvanized in the rack plating tank 3;

[0051] Step 5: remove the rack 5 and the workpiece from the plating tank 3 and wash them again in the treatment tank 21 . After washing, dry the workpiece to reduce the moisture on the surface, and then remove the workpiece from the rack 5 .

[0052] The working principle and galvanizing process of this device are as follows: First, the workpiece to be processed is connected to the hanging rod 51, and the workpiece is placed in the processing tank 21. The horizontal pipes 22 on the upper and lower sides are connected by vertical pipes, and a heating pipe 23 is sleeved on the vertical pipe. The vertical pipe is connected to an external water source, and the water source flows inside the branch pipe 24 and the horizontal pipe 22 to achieve circulation between the branch pipes 24 on both sides. The nozzle 25 performs a preliminary rinse on the surface of the workpiece. A reagent for rust removal of the workpiece is placed inside the processing tank 21. The workpiece is immersed in the processing tank 21, and the reagent contacts the surface of the workpiece to achieve rust removal and oil removal of the workpiece. The stripped impurities fall into the processing tank 21.

[0053] Next, an external water pump is used to discharge the solution and impurities in the treatment tank 21, and water is injected into the treatment tank 21 to immerse and clean the workpieces for the second time. During cleaning, the stirring blades 28 drive the water flow to rotate to ensure full contact between the water flow and the workpieces, thereby reducing the residual stains on the surface of the workpieces.

[0054] Then, motor three 81 is used to drive gear 84 to rotate, gear 84 is engaged with rack plate 85, driving rack plate 85 and connecting bar 86 to move upward, cross beam 11 and hook 72 move upward along with connecting bar 86, so as to realize the lifting of hanger 5. During the upward movement of hanger 5, heating tube 23 heats the water flow inside cross tube 22, and the heated water flow enters branch pipe 24, and hot washing of workpiece is realized through nozzle 25. Motor two 63 drives threaded rod 62 to rotate, driving guide plate 61 to move on the top of bottom plate 4.

[0055] Next, the rack 5 moves to above the plating pool 3, the gear 84 rotates in the opposite direction, the rack plate 85 and the connecting bar 86 move downward, the rack 5 moves downward, the workpiece enters the plating pool 3 and is immersed in the galvanizing liquid, the hydraulic push rod 12 is used to push the connecting block 71 to move at the bottom of the hydraulic push rod 12, the rack 5 and the workpiece shake in the plating pool 3, the contact effect with the galvanizing liquid is improved, the galvanizing time is shortened, and the galvanizing of the workpiece is completed.

[0056] Finally, the rack 5 and the workpiece are moved up to drain and removed from the plating pool 3. The workpiece enters the treatment pool 21, and the workpiece is washed again with water using the nozzle 25. The external air drying equipment is moved to achieve rapid drying of the workpiece, and then the workpiece is removed from the rack 5.

[0057] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A galvanizing rack plating production line, comprising a bottom plate (4), characterized in that: A plating pool (3) is fixedly connected to the top of the bottom plate (4), a pretreatment mechanism (2) is arranged on one side of the plating pool (3), the pretreatment mechanism (2) comprises a treatment pool (21), a nozzle (25) and a stirring blade (28), the treatment pool (21) is fixedly connected to the top of the bottom plate (4), a branch pipe (24) is fixedly connected to the inner wall of the treatment pool (21), a nozzle (25) is fixedly connected to one side of the branch pipe (24), the branch pipe (24) is connected to the horizontal pipe (22), and a stirring blade (28) is arranged below the nozzle (25); A guide assembly (6) is provided on the bottom plate (4), and a lifting mechanism (8) is provided above the guide assembly (6). The lifting mechanism (8) comprises a motor three (81), a support rod (83) and a rack plate (85). The motor three (81) is fixedly connected to one side of the support rod (83), and the output shaft of the motor three (81) is fixedly connected to a gear (84). The gear (84) and the support rod (83) are rotationally connected, and the gear (84) and the rack plate (85) are meshingly connected. A connecting strip (86) is fixedly connected to one side of the rack plate (85), and the rack plate (85) and the support rod (83) are slidably connected. A connecting assembly (1) is provided on one side of the lifting mechanism (8), and a lifting assembly (7) is provided below the connecting assembly (1). The lifting assembly (7) comprises a connecting block (71) and a hook (72).

2. A galvanizing rack plating production line according to claim 1, characterized in that: The transverse tube (22) is fixedly connected to the treatment pool (21); a heating tube (23) is installed between the transverse tubes (22) at the upper and lower sides; a plurality of heating wires are fixedly connected inside the heating tube (23); a flushing tube (211) is arranged below the transverse tube (22); one end of the flushing tube (211) passes through the side wall of the treatment pool (21).

3. A galvanizing rack plating production line according to claim 1, characterized in that: A motor 1 (271) is fixedly connected to the side wall of the treatment pool (21); an output shaft of the motor 1 (271) is fixedly connected to a connecting shaft (27); a V-belt (26) is sleeved on the connecting shaft (27); and the connecting shaft (27) is fixedly connected to a transverse shaft (29).

4. A galvanizing rack plating production line according to claim 3, characterized in that: A stirring blade (28) is sleeved on the transverse shaft (29), the transverse shaft (29) is rotatably connected to the treatment tank (21), and the stirring blade (28) is located above the flushing pipe (211).

5. A galvanizing rack plating production line according to claim 1, characterized in that: A hanger (5) and a hanger rod (51) are arranged inside the rack plating pool (3); the rack plating pool (3) is fixedly connected to the top of the bottom plate (4); a hanger (5) is arranged inside the rack plating pool (3); and a hanger rod (51) is fixedly connected to the side wall of the hanger (5).

6. A galvanizing rack plating production line according to claim 5, characterized in that: A hook (72) is provided at the top of the hanger (5), and the top of the hook (72) is fixedly connected to the connecting block (71). A connecting assembly (1) is provided at the top of the connecting block (71), and the connecting assembly (1) comprises a crossbeam (11) and a hydraulic push rod (12). The crossbeam (11) is snap-connected to the connecting block (71), and a hydraulic push rod (12) is installed on one side of the connecting block (71), and one end of the hydraulic push rod (12) is fixedly connected to the connecting strip (86).

7. A galvanizing rack plating production line according to claim 6, characterized in that: A guide member (82) is fixedly connected to the bottom of the connecting strip (86), and the guide member (82) is slidably connected to the support rod (83). The guide member (82) is located on one side of the gear (84), and one side of the gear (84) penetrates the side wall of the support rod (83), and one side of the rack plate (85) penetrates the support rod (83) and is fixedly connected to the connecting strip (86).

8. The galvanizing rack plating production line according to claim 1, characterized in that: The guide assembly (6) comprises a guide plate (61), a threaded rod (62) and a second motor (63); the top of the guide plate (61) is fixedly connected to a support rod (83); the bottom of the guide plate (61) is snap-connected to a base plate (4); and the bottom of the guide plate (61) is connected to the threaded rod (62) via a threaded connection.

9. A galvanizing rack plating production line according to claim 8, characterized in that: One end of the threaded rod (62) is fixedly connected to the output shaft of the second motor (63); the second motor (63) is embedded on the bottom plate (4); and the guide plate (61) is slidably connected to the bottom plate (4).

10. A galvanizing process for a galvanizing rack plating production line, characterized in that: A galvanizing rack plating production line according to any one of claims 1 to 9 is used, comprising the following steps: S1. First, a workpiece to be processed is placed on a hanging rod (51) of a hanging rack (5). When the workpiece is located inside the pretreatment mechanism (2), the surface of the workpiece is rinsed with a nozzle (25), and the workpiece is immersed in a treatment tank (21) to remove rust and oil from the workpiece. S2, after the cleaning is completed, the solution in the treatment tank (21) is discharged, water is injected, and the workpiece is cleaned for a second time. During the cleaning, the stirring blade (28) drives the water flow to rotate to ensure that the water flow is in full contact with the workpiece; S3, the rack plate (85) and the connecting strip (86) drive the crossbeam (11) to move upward, so as to realize the lifting of the hanger (5), and to rinse the workpiece again, and the threaded rod (62) drives the guide plate (61) to move; S4, moving the rack (5) above the rack plating tank (3), the rack (5) downward, the workpiece entering the rack plating tank (3) to be immersed in the galvanizing liquid, and adjusting the positions of the rack (5) and the workpiece by using the hydraulic push rod (12) so that the workpiece is galvanized in the rack plating tank (3); S5, the rack (5) and the workpiece are removed from the interior of the plating tank (3), and are washed again in the treatment tank (21). The workpiece after washing is dried to reduce the moisture on the surface, and then the workpiece is removed from the rack (5).

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