CN115044849B - Device for continuously hot-galvanizing strip steel - Google Patents

Abstract

The invention relates to the technical field of hot galvanizing of strip steel, in particular to a device for continuously hot galvanizing strip steel, which comprises a solvent pool and a hot galvanizing pool, wherein a first supporting plate is fixedly connected between the solvent pool and the hot galvanizing pool, one side of the solvent pool, which is far away from the first supporting plate, is fixedly connected with a second supporting plate, one side of the hot galvanizing pool, which is far away from the first supporting plate, is fixedly connected with a third supporting plate, a transmission mechanism is arranged between the second supporting plate and the third supporting plate, the transmission mechanism is used for transmitting the strip steel to be galvanized, and two first box bodies which are obliquely arranged are arranged above the first supporting plate; the strip steel needing to be galvanized is transmitted through the transmission mechanism, the blowing mechanism arranged blows towards the inside of the first box body, and blown wind drives the shielding mechanism to move, so that the shielding of the shielding mechanism to the air outlet is cancelled, the ventilation state of the air outlet is restored, and the drying speed of the surface of the strip steel is accelerated.

Description

Device for continuously hot-galvanizing strip steel

Technical Field

The invention relates to the field of strip steel hot galvanizing, in particular to a device for strip steel continuous hot galvanizing.

Background

The strip steel is widely used for producing welded steel pipes as a long and narrow steel plate, the hot galvanizing process flow of the strip steel mainly comprises pickling, washing, adding an auxiliary agent, drying, preheating and hot galvanizing,

the prior art discloses some patent documents about belted steel hot-galvanize, and chinese patent with application number 201920327871.2 discloses a patent that is used for the equipment to belted steel continuous hot-galvanize, which comprises a bod, fixed mounting has the conveyer belt in the organism, and the middle part of the organism left and right sides is run through respectively at both ends about the conveyer belt, the bottom of the right side fixedly connected with water storage box at organism top, and the left side of water storage box is provided with the water pump, the bottom fixed mounting of water pump at the top of organism, and the water inlet of water pump is connected and is linked together with the left end of the pipe of buckling. This an equipment for being directed at belted steel continuous hot dip galvanizing supplies water and spouts to belted steel surface after atomizing the water with the atomizer through the three-way pipe in the water storage chamber, and the hydrone is with comparatively slow speed evenly distributed to belted steel surface to remain such as dirt and mix in advance and change it into the fluid, spout water high pressure through the nozzle, wash to being liquid dirt and remaining.

The existing hot galvanizing device for the strip steel is too simple in structure, the surface of the strip steel is simply dried in the processing process, the strip steel is directly conveyed out of the plating assistant solvent, the surface of the strip steel is stained with the excessive plating assistant solvent, the time is excessively wasted by directly blowing and drying the surface of the strip steel, the drying is not thorough easily, and the later preheating treatment is influenced.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a device for continuously hot-dip galvanizing strip steel.

In order to achieve the purpose, the invention adopts the technical scheme that: a device for continuously hot-dip galvanizing strip steel comprises a solvent tank and a hot-dip coating tank, wherein a first supporting plate is fixedly connected between the solvent tank and the hot-dip coating tank, a second supporting plate is fixedly connected to one side, away from the first supporting plate, of the solvent tank, a third supporting plate is fixedly connected to one side, away from the first supporting plate, of the hot-dip coating tank, a transmission mechanism is arranged between the second supporting plate and the third supporting plate and used for transmitting strip steel to be galvanized, two obliquely arranged first box bodies are arranged above the first supporting plate, connecting blocks are fixedly connected to the sides of the two first box bodies, the bottom of the first box body below is fixedly connected with the top of the first supporting plate through a first mounting plate, a first plane and a second plane are arranged on the first box body, a plurality of air outlet holes are formed in the first plane and the second plane at equal intervals respectively, a shielding mechanism is arranged inside the first box body and used for shielding the air outlet holes, a blowing mechanism is arranged on the side of the first box body and used for wiping redundant hot-dip coating solution on two sides of the first box body;

the top of first backup pad is equipped with preheating machine and constructs, preheating machine constructs and is used for carrying out the heat treatment to belted steel after the drying.

Preferably, the transmission mechanism comprises two first conveying rollers, a fourth conveying roller, two second conveying rollers, two fifth conveying rollers and two third conveying rollers, wherein the two first conveying rollers are connected to the top of the second supporting plate in an up-and-down rotating mode, the four fourth conveying rollers are connected to the inner wall of the solvent pool in a rotating mode, the two first conveying rollers are distributed on the upper portion and the lower portion of the second conveying roller, the two second conveying rollers are connected to the top of the first supporting plate in an all-rotating mode, the two fifth conveying rollers are connected to the inner wall of the hot-dip coating pool in a horizontal rotating mode, and the two third conveying rollers are connected to the top of the third supporting plate in an up-and-down rotating mode.

Preferably, the shielding mechanism comprises a shielding plate, two first sliding rods, a drainage plate and a rectangular port, the shielding plate is connected to the inner wall of the first box body in a sliding mode, a plurality of through holes staggered with the air outlet holes are formed in the surface of the shielding plate, the first sliding rods are fixedly connected to the inner side wall of the first box body, a second mounting plate is connected to the surface of the first sliding rods in a sliding mode, the second mounting plate is fixedly connected to the top of the shielding plate, a first spring is fixedly connected between the second mounting plate and the inner wall of the first box body, the first spring is sleeved on the surface of the first sliding rods, the drainage plate is fixedly connected to the bottom end of the first box body and located below, the end of the drainage plate extends to the inside of the solvent pool, the rectangular port is formed in the side wall of the first box body, a sealing plate is inserted into the inner wall of the rectangular port in a sealing mode, the sealing plate faces a first L fixedly connected to one side of the inside of the first box body, the end of the first L is fixedly connected to the top of the shielding plate, and the rectangular port is communicated with the air blowing mechanism.

Preferably, the blowing mechanism comprises a second box body, the second box body is fixedly connected to the side wall of the first box body, the second box body is communicated with the rectangular opening, an air heater is fixedly installed on the side face of the second box body, and an air outlet pipe of the air heater is fixedly communicated with the second box body.

Preferably, the wiping mechanism comprises two first rectangular plates and a second cylinder, the two first rectangular plates are symmetrically and fixedly connected between the two first boxes, guide rails are symmetrically arranged on the surface of each first rectangular plate, each guide rail is composed of a first guide port and a second guide port which are communicated with each other, the side face of each first rectangular plate is connected with the second rectangular plate in a sliding mode, the surface of each second rectangular plate is provided with two oblique ports which are symmetrically arranged, two water suction rollers are arranged between the two first rectangular plates, a first rotating pin is fixedly inserted in each water suction roller, two ends of each first rotating pin penetrate through the corresponding first guide port and extend into the corresponding oblique port, the connecting block is far away from one side of the corresponding rectangular port, the surface of the connecting block is rotatably connected with the first cylinder, the lower end of the first cylinder penetrates through the connecting block and extends to the outside, a reciprocating lead screw is fixedly connected with the lower end of the reciprocating lead screw, the end of the reciprocating lead screw penetrates through the second rectangular plate and extends to the outside of the second rectangular plate, the upper end of the first rectangular plate is located between the second cylinder and is fixedly connected with a reciprocating lead screw, and the conveying roller is connected with one side of the second cylinder, and the second cylinder is used for driving mechanism when the second cylinder is driven by the second cylinder.

Preferably, drive mechanism includes fixed plate, second gear, second L template, worm, fixed plate fixed connection is two the top of first box, the first pivot of side fixedly connected with of fixed plate, the surface rotation of first pivot is connected with the rotor plate, the rotor plate with fixedly connected with torsional spring between the fixed plate, the torsional spring cover is established the surface of first pivot is last, the side border rotation of rotor plate is connected with the second pivot, the first gear of tip fixedly connected with of second pivot, second gear fixed connection is in the below the second conveying roller is on the surface, the second gear with first gear looks adaptation, second L template fixed connection be in the side of fixed plate, the side of second L template is rotated and is connected with the third pivot, the third pivot with the second pivot is in the same axis, the tip fixedly connected with worm wheel of third pivot, worm fixed connection be in first cylindrical upper end, the worm wheel with the worm meshes mutually, the third pivot with the surface of second pivot is fixedly connected with first synchronous wheel respectively, two first synchronous wheel surface is connected with the linkage baffle-plate carries out the linkage to the stripper plate in the process of overturning.

Preferably, an arc-shaped groove is formed in the side face of the fixed plate, a second rotating pin is rotatably connected to one side, facing the arc-shaped groove, of the rotating plate, and the end portion of the second rotating pin is inserted into the arc-shaped groove.

Preferably, the linkage mechanism includes a third L-shaped plate, a connecting frame, and a sliding plate, the third L-shaped plate is fixedly connected to the top of the shielding plate, a second inclined plane is provided on a side surface of the third L-shaped plate, the connecting frame is slidably connected to the inner side wall of the first box, an elastic support mechanism for elastically supporting the sliding direction is provided between the connecting frame and the inner side wall of the first box, the elastic support mechanism is used for supporting the initial position of the connecting frame, the sliding plate is slidably connected to the inner wall of the first box, the end portion of the sliding plate penetrates through the first box in a sliding manner and extends to the outside of the first box in a sliding manner, the end portion of the sliding plate is arranged in an arc-shaped plane, the arc-shaped end portion of the sliding plate is in contact with the top of the rotating plate, the side surface of the sliding plate is rotatably connected with a third rotating pin, the end portion of the third rotating pin is inserted into the connecting frame, a trapezoidal block is fixedly connected to the bottom of the connecting frame, and the inclined plane of the trapezoidal block is adapted to the second inclined plane.

Preferably, the elastic support mechanism includes the spout, the spout is seted up on the inner wall of first box, the inner wall fixedly connected with second slide bar of spout, the sliding surface connection of second slide bar has the slider, the tip of slider extends to behind the outside of spout with the side fixed connection of linking frame, the slider with fixedly connected with second spring between the cell wall of spout, the second spring housing is established the second slide bar is on the surface.

Preferably, preheat the mechanism and include two sets of third mounting panels, two second current conducting plates, it is two sets of the equal fixed connection of third mounting panel is in the top of first backup pad, with organizing all rotate between the third mounting panel and be connected with two second synchronizing wheels that distribute from top to bottom, it is two sets of the equal transmission in surface of second synchronizing wheel is connected with the second hold-in range, the surface of second hold-in range is embedded with the hot plate respectively, wherein arbitrary one the side fixed mounting of third mounting panel has two motors, two the output shaft of motor all rotates and runs through the third mounting panel extends to its outside back respectively with adjacent second synchronizing wheel fixed connection, the ring channel has all been seted up to the both sides of second hold-in range, sliding connection has first current conducting plate on the inner wall of ring channel, the medial surface of first current conducting plate and the electric connection of adjacent hot plate tip sliding contact, two first current conducting plate all through the wire with hot plate electric connection, two second current conducting plate difference fixed connection be in the top of first backup pad, two second current conducting plates are respectively through the two poles of wire and outside portable power source's electric connection, the one side of second current conducting plate rotates towards first current conducting plate and two current conducting plate end portion fixed connection is connected with the end portion transmission is connected with the end of the third electricity connection is organized two electricity connection of the third current conducting plate and is connected with the third current conducting plate.

Compared with the prior art, the invention has the following beneficial effects:

1. the solvent pond of setting, it helps the plating solvent to conveniently pour into in its inside, help the plating solvent to be used for reacting with the oxide on belted steel surface, avoid the oxide on belted steel surface to influence later stage galvanizing effect, the belted steel that needs the galvanizing is transmitted through transport mechanism, blow towards first box inside through the mechanism of blowing that sets up, the wind that blows drives shelters from the mechanism and removes, thereby cancel the sheltering from of mechanism to air outlet department, resume the ventilation state of air outlet department, the hot-blast air that blows out from the air outlet on the second plane, conveniently blow down the solvent that the belted steel surface is stained with, the solvent on its surface blows towards the inside of solvent pond, reduce being stained with of belted steel surface solvent, accelerate the hot-blast speed to belted steel surface of air outlet department on the first plane, thereby make things convenient for later stage preheating mechanism preheats the belted steel surface after drying, the belted steel after preheating can carry out the inside galvanizing of hot-dip tank along with transport mechanism, conveniently advance galvanizing treatment to its surface, avoid being low because of belted steel surface temperature, influence galvanizing effect.

2. When the shielding plate is moved to cancel the shielding of the air outlet, under the transmission of the transmission mechanism, the second conveying roller positioned below drives the first cylinder to rotate, the rotating first cylinder drives the reciprocating screw rod to rotate, so as to drive the second rectangular plate to move upwards along the surface of the reciprocating screw rod, the inner wall of the inclined opening of the surface of the second rectangular plate which moves upwards pushes the surface of the first rotating pin, so as to drive the first rotating pin to move along the inner wall of the first guide opening, the water suction rollers at two sides are in moving contact with the surface of the strip steel with the help of the two first rotating pins, the first rotating pin can move upwards along the inner wall of the second guide opening along with the continuous upward movement of the second rectangular plate along the second cylinder, and the moving water suction rollers can wipe redundant solvents at two sides of the strip steel, accelerate the hot-blast stoving speed on belted steel surface that the exhaust vent blew off, in-process under second rectangular plate is along the second cylinder, first round pin rotates along the gliding in-process of second guide mouth inner wall, still clean the surface of belted steel, in-process that first round pin moved toward first guide mouth when rotating, first round pin of rotating can drive the suction roll and move toward one side of first box, under the blockking of two first box lateral walls, the suction roll who removes toward blockking by first box lateral wall and producing the extrusion, be favorable to wiping the absorbent solution of absorption roll surface and extrude and air-dry by hot-blast, and under the hot-blast effect that the exhaust vent blew off, be favorable to maintaining the aridity of suction roll, thereby be favorable to wiping the surplus solvent on belted steel surface, accelerate the stoving speed on belted steel surface of hot-blast.

3. When the ventilation drying is carried out, the shielding plate moves to cancel the shielding of the air outlet, the shielding plate presses the rotating plate through the linkage mechanism to turn over, the rotating plate can rotate while exerting strength on the torsion spring, the rotating plate can drive the first gear to move towards one side of the second gear and be meshed with the first gear, the meshing state of the first gear and the second gear is conveniently maintained under the continuous pressing of the linkage mechanism, therefore, in the process of transmitting and rotating the second conveying roller, the first gear is driven to rotate by the aid of the second gear, the first synchronous wheel connected to the surface of the second rotating shaft is driven to rotate, under the transmission of the first synchronous belt, the two first synchronous wheels are driven to synchronously rotate, the third rotating shaft connected with the worm wheel is driven to rotate, the rotating worm wheel drives the worm to rotate, the first cylinder is driven to rotate, further, in the process of transmitting by the second rotating belt, the rotation of the first cylinder connected with the reciprocating screw is conveniently driven to rotate, when the linkage mechanism cancels the pressing of the rotating plate, the compressed torsion spring is reset to drive the rotating plate to rotate, the first gear and the reset gear and the meshing of the first gear and the second gear is cancelled, therefore, the linkage of the ventilation drying is realized, the effect of drying is favorable for realizing the drying, and the drying of the screw rod is realized, and the drying effect of the drying is realized, and the drying is realized.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an overall cross-sectional view of the present invention;

FIG. 3 is a schematic view of the connection between the first mounting plate and the first box body;

FIG. 4 is a schematic view of the connection between the first box and the first slide bar according to the present invention;

FIG. 5 is an enlarged view of the portion A in FIG. 4 according to the present invention;

FIG. 6 is a schematic structural view showing a state where a sealing plate and a first L-shaped plate according to the present invention are coupled;

fig. 7 is a schematic view of the connection between the second conductive plate and the conductive pillar according to the present invention;

FIG. 8 is a partial front view of the present invention;

FIG. 9 is a schematic view of the connection between the first casing and the connection block according to the present invention;

FIG. 10 is an enlarged view of the portion B of FIG. 9;

FIG. 11 is a schematic view of the connection between the second shaft and the first gear;

FIG. 12 is a schematic structural view illustrating the insertion of the second rotating pin and the arcuate slot in accordance with the present invention;

FIG. 13 is a schematic view showing the connection between the suction roll and the first rotating pin according to the present invention;

fig. 14 is a schematic view showing the connection between the second timing belt and the heating plate according to the present invention.

In the figure: 1. a solvent pool; 2. a hot-dip tank; 3. a first support plate; 4. a second support plate; 5. a third support plate; 6. a first conveying roller; 7. a second conveying roller; 8. a third conveying roller; 9. a fourth conveying roller; 10. a fifth conveying roller; 11. a first mounting plate; 12. a first case; 1201. a rectangular opening; 1202. a second plane; 1203. a first plane; 13. connecting blocks; 14. strip steel; 15. an air outlet; 16. a shielding plate; 17. a first slide bar; 1701. a first spring; 18. a port; 19. a second mounting plate; 20. a second case; 21. sealing plates; 22. a first L-shaped plate; 23. a hot air blower; 24. a first rectangular plate; 25. a guide rail; 2501. a first guide port; 2502. a second guide port; 26. a second rectangular plate; 27. an oblique port; 28. a suction roll; 29. a first rotation pin; 30. a first cylinder; 31. a reciprocating screw rod; 32. a second cylinder; 33. a fixing plate; 3301. an arc-shaped slot; 34. a rotating plate; 35. a first rotating shaft; 3501. a torsion spring; 36. a second rotating shaft; 37. a first gear; 38. a second gear; 39. a second L-shaped plate; 40. a third rotating shaft; 41. a worm gear; 42. a worm; 43. a first synchronization wheel; 44. a first synchronization belt; 45. a second rotation pin; 46. a third L-shaped plate; 4601. a second inclined surface; 47. a connecting frame; 48. a sliding plate; 49. a third rotation pin; 50. a trapezoidal block; 51. a chute; 52. a second slide bar; 5201. a slider; 53. a second spring; 54. a third mounting plate; 55. a second synchronizing wheel; 56. a second synchronous belt; 5601. an annular groove; 57. heating plates; 58. a motor; 59. a first conductive plate; 60. a second conductive plate; 61. a conductive post; 62. a sixth transfer roller; 63. a drainage plate.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1 to 14, a device for continuously hot-dip galvanizing strip steel comprises a solvent tank 1 and a hot-dip tank 2, a first supporting plate 3 is fixedly connected between the solvent tank 1 and the hot-dip tank 2, a second supporting plate 4 is fixedly connected to one side of the solvent tank 1 far away from the first supporting plate 3, a third supporting plate 5 is fixedly connected to one side of the hot-dip tank 2 far away from the first supporting plate 3, a transmission mechanism is arranged between the second supporting plate 4 and the third supporting plate 5 and used for transmitting strip steel 14 needing galvanizing, two first box bodies 12 which are obliquely arranged are arranged above the first supporting plate 3, connecting blocks 13 are fixedly connected to the side surfaces of the two first box bodies 12, the bottom of a first box body 12 positioned below is fixedly connected with the top of a first supporting plate 3 through a first mounting plate 11, a first plane 1203 and a second plane 1202 are arranged on the first box body 12, a plurality of air outlet holes 15 are respectively formed in the first plane 1203 and the second plane 1202 at equal intervals, a shielding mechanism is arranged inside the first box body 12 and used for shielding the air outlet holes 15, an air blowing mechanism is arranged on the side face of the first box body 12 and used for linking the shielding mechanism to cancel shielding of the air outlet holes 15 and blowing hot air to the surface of the strip steel 14 through the air outlet holes 15, a wiping mechanism is arranged between the two first box bodies 12 and used for wiping redundant solutions on the two sides of the strip steel 14;

the top of the first supporting plate 3 is provided with a preheating mechanism which is used for heating the dried strip steel 14; when the hot galvanizing device for the strip steel works, the structure of the existing hot galvanizing device for the strip steel is too simple, the surface of the strip steel is simply dried in the processing process, and because the strip steel is directly conveyed out from the plating assistant solvent, the surface of the strip steel can be stained with too much plating assistant solvent, the time is wasted by directly blowing and drying the surface of the strip steel, the incomplete drying is easily caused, and the later stage pre-heating treatment is influenced, the technical scheme can solve the problems, and the specific implementation mode is as follows, when the hot galvanizing device is used, the power supply mechanism supplies power to an electric element in the device by virtue of an external power supply mechanism, the shielding mechanism can shield the air outlet 15 in the initial state, thereby being beneficial to preventing external dust from entering the first box body 12 and maintaining the cleanness inside the first box body 12, the arranged solvent pool 1 is convenient for pouring the plating assistant solvent into the hot galvanizing device, and the plating assistant solvent is used for reacting with oxides on the surface of the strip steel 14, the influence of oxides on the surface of the strip steel 14 on the later-stage galvanizing effect is avoided, the strip steel 14 to be galvanized is conveyed through the conveying mechanism, the air is blown towards the inside of the first box body 12 through the arranged blowing mechanism, the blown air drives the shielding mechanism to move, so that the shielding of the shielding mechanism on the air outlet 15 is cancelled, the ventilation state of the air outlet 15 is recovered, the hot air blown out from the air outlet 15 on the second plane 1202 is convenient to blow the solvent attached to the surface of the strip steel 14 downwards, the solvent on the surface of the strip steel is blown towards the inside of the solvent pool 1, the attachment of the solvent on the surface of the strip steel 14 is reduced, the drying speed of the hot air at the air outlet 15 on the first plane 1203 on the surface of the strip steel 14 is accelerated, the preheating treatment of the surface of the dried strip steel 14 by the later-stage preheating mechanism is convenient, the preheated strip steel 14 can be galvanized in the hot galvanizing pool 2 along with the conveying mechanism, the surface of the strip steel is convenient to be galvanized, and the phenomenon that the galvanizing effect is influenced due to the fact that the surface temperature of the strip steel 14 is too low is avoided.

As an embodiment of the invention, the transmission mechanism comprises two first conveying rollers 6, a fourth conveying roller 9, two second conveying rollers 7, two fifth conveying rollers 10 and two third conveying rollers 8, wherein the two first conveying rollers 6 are connected to the top of the second supporting plate 4 in a vertical rotating manner, the fourth conveying roller 9 is connected to the inner wall of the solvent pool 1 in a rotating manner, the two second conveying rollers 7 are distributed vertically, the second conveying rollers 7 are connected to the top of the first supporting plate 3 in a rotating manner, the two fifth conveying rollers 10 are connected to the inner wall of the hot-dip coating pool 2 in a horizontal rotating manner, and the two third conveying rollers 8 are connected to the top of the third supporting plate 5 in a vertical rotating manner; when the device works, the driving modes of the conveying rollers arranged in the device are the driving modes in the prior art, and not much description is given here, the strip steel 14 to be galvanized sequentially passes through the surfaces of the two first conveying rollers 6, the fourth conveying roller 9, the two second conveying rollers 7, the two fifth conveying rollers 10 and the two third conveying rollers 8, and each conveying roller is driven to rotate by virtue of an external controller, so that the strip steel 14 is transmitted, the fourth conveying roller 9 is arranged in the solvent pool 1, the transmitted strip steel 14 is conveniently transmitted to the inside of the solvent pool 1, the plating assistant solvent in the solvent pool 1 is convenient to react with oxides on the surface of the strip steel 14, the galvanizing operation on the surface of the strip steel 14 in the later period is convenient, the two fifth conveying rollers 10 are arranged in the hot galvanizing pool 2, the transmitted strip steel 14 is convenient to be transmitted to the inside of the hot galvanizing pool 2, and the galvanizing treatment on the surface of the strip steel 14 by the zinc liquid in the hot galvanizing pool 2 is facilitated.

As an embodiment of the present invention, the shielding mechanism includes a shielding plate 16, two first sliding bars 17, a flow guide plate 63, and a rectangular opening 1201, the shielding plate 16 is slidably connected to an inner wall of the first box 12, a plurality of through openings 18 staggered with the air outlet 15 are formed in a surface of the shielding plate 16, the two first sliding bars 17 are fixedly connected to an inner side wall of the first box 12, the surface of the first sliding bar 17 is slidably connected to a second mounting plate 19, both the second mounting plate 19 and a top portion of the shielding plate 16 are fixedly connected, a first spring 1701 is fixedly connected between the second mounting plate 19 and the inner wall of the first box 12, the first spring 1201 is sleeved on the surface of the first sliding bar 17, the flow guide plate 63 is fixedly connected to a bottom end of the first box 12 located below, an end portion of the flow guide plate 63 extends to the inside of the solvent pool 1, the rectangular opening is formed in a side wall of the first box 12, a sealing plate 21 is hermetically inserted on the inner wall of the rectangular opening, a first L22 is fixedly connected to one side of the sealing plate 21 facing the inside of the first box 12, an end portion of the first L22 is fixedly connected to a top portion of the shielding plate 16, and the rectangular opening is communicated with the blowing mechanism; in operation, in an initial state, one side of the second mounting plate 19 is supported by the supporting force of the first spring 1701, so that the through hole 18 at the top of the shielding plate 16 is staggered with the plurality of air outlet holes 15, so that the air outlet holes 15 are shielded by the shielding plate 16, when air blowing is not needed, external dust is favorably blocked to enter the first box 12, the cleanness inside the first box 12 is maintained, when redundant solvent adhered to the surface of the strip steel 14 coming out of the solvent pool 1 needs to be cleaned, the pressure of air entering the rectangular opening 1201 is increased by blowing through the air blowing mechanism, so that the sealing plate 21 is pushed to move, the sealing plate 21 is removed from the rectangular opening 1201, sealing is cancelled, the sealing plate 21 synchronously pushes the shielding plate 16 to move through the first L-shaped plate 22, the moving shielding plate 16 compresses the first spring 17 along the surface of the first sliding rod 17 by the second mounting plate 19 to move, the plurality of air outlet holes 18 on the surface of the moving shielding plate 16 are opposite to the air outlet holes 15, so that the redundant solvent blown out of the strip steel 14 through the air outlet holes 15, the surface of the strip steel 14 is conveniently blown out of the air blowing mechanism, and the hot air outlet hole 1202, and the hot air blowing mechanism is further, the hot air blowing mechanism is convenient to reduce the waste of the strip steel surface, and the hot air blowing mechanism, and drying process, on the other hand, when the hot air flowing of the hot air outlet hole 1202, the hot air outlet mechanism is reduced, the hot strip steel 14, the hot air blowing mechanism, the hot air outlet hole 1202, the hot air blowing mechanism, the hot air outlet hole 1202, the hot air flowing mechanism is further, the hot air blowing mechanism is reduced, the hot air blowing mechanism, the hot air flowing of the hot air blowing mechanism, the hot strip steel 14, the hot air flowing mechanism, the hot strip steel 14, the hot air outlet hole is reduced, the hot air outlet hole 1202, the hot strip steel 14, the cancellation mechanism of blowing promotes the shielding plate 16 one side, and the first spring 1701 of compressed can recover and produce and restore the impact force to drive shielding plate 16 with the help of second mounting panel 19 and reset and shelter from exhaust vent 15, when need not to blow the stoving, be favorable to blockking that outside dust carries out the inside of first box 12.

As an embodiment of the invention, the blowing mechanism includes the second container 20, the second container 20 is fixedly connected to the sidewall of the first container 12, the second container 20 communicates with rectangular port 1201, the side of the second container 20 is fixedly installed and rotated with the hot-air blower 23, the air outlet pipe of the hot-air blower 23 communicates with the second container 20 fixedly; during operation, start air heater 23 with the help of outside controller, air heater 23 can be with the help of the tuber pipe on its surface and continuously blow to second box 20 inside, the inside pressure grow of second box 20, make the pressure that rectangle mouth 1201 air intake goes out increase, consequently, can promote closing plate 21 and remove, remove closing plate 21 from rectangle mouth 1201 and cancel sealed, closing plate 21 promotes shielding plate 16 through first L template 22 in step and removes, inside wind promotes shielding plate 16 and first L template 22 and removes to first box 12 is inside, and then drive shielding plate 16 and remove and cancel the sheltering from of exhaust vent 15, thereby remove closing plate 21 from rectangle mouth 1201, make the inside hot-blast of second box 20 pass through rectangle mouth 1201 and arrange to send to first box 12 inside, and blow off to strip steel 14 excessive plating assistant solvent on the surface with the help of exhaust vent 15, reach the effect of handling dribbling, be favorable to the stoving processing of 14 surfaces, be favorable to reducing further thorough strip steel of drying degree of difficulty.

As an embodiment of the present invention, the wiping mechanism includes two first rectangular plates 24 and a second cylinder 32, the two first rectangular plates 24 are symmetrically and fixedly connected between the two first boxes 12, guide rails 25 are symmetrically disposed on the surfaces of the first rectangular plates 24, the guide rails 25 are composed of a first guide port 2501 and a second guide port 2502 which are mutually communicated, the second rectangular plate 26 is slidably connected to the side surface of the first rectangular plate 24, two symmetrically disposed oblique ports 27 are disposed on the surface of the second rectangular plate 26, two water suction rollers 28 are disposed between the two first rectangular plates 24, a first rotating pin 29 is fixedly inserted into the water suction roller 28, two ends of the first rotating pin 29 respectively penetrate through the first guide port 2501 and extend into the oblique port 27, a first cylinder 30 is rotatably connected to the surface of the connecting block 13 far from one side of the rectangular port, the lower end of the first cylinder 30 penetrates through the connecting block 13 and extends to the outside thereof, and is fixedly connected to a second cylinder 31, the end of the screw rod 31 penetrates through the second rectangular plate 26 and extends to the outside thereof, the connecting block 31 is rotatably connected to the second rectangular plate 31 and the second cylinder 30 is connected to the upper end of the second connecting block 13, and the reciprocating screw rod mechanism is connected to the second rectangular plate 26 and connected to the second reciprocating screw rod mechanism for driving mechanism 7 which is disposed below the second rectangular plate 26; when the device works, when the shielding plate 16 moves and cancels the shielding of the air outlet 15, under the transmission of the transmission mechanism, the second conveying roller 7 positioned below drives the first cylinder 30 to rotate, the rotating first cylinder 30 drives the reciprocating screw rod 31 to rotate, thereby driving the second rectangular plate 26 to move upward along the surface of the reciprocating screw rod 31, the inner wall of the inclined opening 27 on the surface of the second rectangular plate 26 moving upward pushes the surface of the first rotating pin 29, thereby driving the first rotating pins 29 to move along the inner wall of the first guiding opening 2501, moving and contacting the water suction rollers 28 at two sides towards the surface of the strip steel 14 by means of the two first rotating pins 29, as the second rectangular plate 26 continues to move upwards along the second cylindrical column 32, the first rotating pins 29 will move upwards along the inner wall of the second guiding opening 2502, the moving water suction rollers 28 will wipe the redundant solvent at two sides of the strip steel 14, and the drying speed of the hot air blown out from the air outlet 15 to the surface of the strip steel 14 is increased, while the second rectangular plate 26 slides along the inner wall of the second guide port 2502 during the process of the second rectangular plate 26 being under the second cylinder 32, the surface of the strip 14 is still wiped, when the first rotating pin 29 moves toward the first guiding opening 2501, the first rotating pin 29 drives the water-absorbing roller 28 to move toward one side of the first box 12, under the blockage of the side walls of the two first boxes 12, the moving water suction rollers 28 are blocked by the side walls of the first boxes 12 to generate extrusion, which is beneficial to extruding out the solution wiped and adsorbed on the surfaces of the water suction rollers 28 and drying the solution by hot air, and is favorable for maintaining the dryness of the water suction roller 28 under the action of hot air blown out from the air outlet hole 15, thereby being beneficial to wiping redundant solvent on the surface of the strip steel 14 and accelerating the drying speed of hot air on the surface of the strip steel 14.

As an embodiment of the present invention, the transmission mechanism includes a fixed plate 33, a second gear 38, a second L-shaped plate 39, and a worm 42, the fixed plate 33 is fixedly connected to the tops of the two first boxes 12, a side surface of the fixed plate 33 is fixedly connected with a first rotating shaft 35, a surface of the first rotating shaft 35 is rotatably connected with a rotating plate 34, a torsion spring 3501 is fixedly connected between the rotating plate 34 and the fixed plate 33, the torsion spring 3501 is sleeved on the surface of the first rotating shaft 35, a side surface edge of the rotating plate 34 is rotatably connected with a second rotating shaft 36, an end portion of the second rotating shaft 36 is fixedly connected with a first gear 37, the second gear 38 is fixedly connected to a surface of the second conveying roller 7 located below, the second gear 38 is adapted to the first gear 37, the second L-shaped plate 39 is fixedly connected to a side surface of the fixed plate 33, a side surface of the second L-shaped plate 39 is rotatably connected with a third rotating shaft 40, the third rotating shaft 40 and the second rotating shaft 36 are located on the same axis, an end portion of the third rotating shaft 40 is fixedly connected with a worm wheel 41, the worm 42 is fixedly connected to an upper end portion of the first worm 30, the worm 41 is engaged with the worm 42, a surface of the third rotating shaft 40 and a second rotating shaft 36, a surface of the rotating plate 43, a blocking plate 34 are connected with a synchronous transmission mechanism, a synchronous transmission mechanism 16, and a synchronous transmission mechanism 16 are connected between the rotating plate 16, and a synchronous transmission mechanism 16 is connected with a synchronous transmission plate 16; during operation, when the ventilation drying is performed, the shielding plate 16 moves to cancel shielding of the air outlet 15, the shielding plate 16 presses the rotating plate 34 through the linkage mechanism to turn over, the rotating plate 34 can rotate while applying force to the torsion spring 3501, the rotating plate 34 can drive the first gear 37 to move to one side of the second gear 38 and mesh with the second gear, the meshing state of the first gear 37 and the second gear 38 is conveniently maintained under the continuous pressing of the linkage mechanism, therefore, in the process of transmitting rotation of the second conveying roller 7, the first gear 37 is driven to rotate by the second gear 38, so as to drive the first synchronizing wheel 43 connected to the surface of the second rotating shaft 36 to rotate, and the two first synchronizing wheels 43 are driven to synchronously rotate under the transmission of the first synchronizing belt 44, thereby drive the third pivot 40 that is connected with worm wheel 41 and rotate, pivoted worm wheel 41 drives worm 42 and rotates, thereby drive first cylinder 30 and rotate, and then in the in-process that second conveying roller 7 rotates the conveying, conveniently drive the rotation of the first cylinder 30 that is connected with reciprocating screw 31, when link gear cancellation moves to the rotor plate 34 press, thereby the torsional spring of compressed resets and drives rotor plate 34 and rotate and reset, cancel the meshing of first gear 37 and second gear 38, therefore, realized when carrying out the through-air drying, reciprocating screw 31 rotates immediately, indirectly realize the effect of wiping, make wiping and through-air drying go on in step, be favorable to improving the drying capacity to belted steel 14, and realize synchronous start, avoid causing the delay and influence drying capacity.

As an embodiment of the present invention, an arc-shaped groove 3301 is formed in a side surface of the fixed plate 33, a second rotating pin 45 is rotatably connected to a side of the rotating plate 34 facing the arc-shaped groove 3301, and an end of the second rotating pin 45 is inserted into the arc-shaped groove 3301; during operation, the arc wall 3301 that sets up makes things convenient for inserting of second rotating pin 45 to establish, and at rotor plate 34 pivoted in-process, the second rotating pin 45 of connection in its one side can slide along arc wall 3301's cell wall to be favorable to maintaining the stable upset orbit of rotor plate 34, realize the transmission butt joint.

As an embodiment of the present invention, the linkage mechanism includes a third L-shaped plate 46, a connection frame 47, and a sliding plate 48, the third L-shaped plate 46 is fixedly connected to the top of the shielding plate 16, a second inclined surface 4601 is formed on a side surface of the third L-shaped plate 46, the connection frame 47 is slidably connected to an inner side wall of the first box 12, an elastic support mechanism for elastically supporting a sliding direction is disposed between the connection frame 47 and the inner side wall of the first box 12, the elastic support mechanism is used for supporting an initial position of the connection frame 47, the sliding plate 48 is slidably connected to the inner wall of the first box 12, an end portion of the sliding plate 48 slidably penetrates through the first box 12 and extends to the outside thereof, an end portion of the sliding plate 48 is disposed in an arc shape, an arc-shaped end portion of the sliding plate 48 is in contact with the top of the rotating plate 34, a side surface of the sliding plate 48 is rotatably connected with a third rotating pin 49, an end portion of the third rotating pin 49 is inserted into the inner portion of the inclined surface connection frame 47, a trapezoidal block 50 is fixedly connected to the bottom of the connection frame 47, and a trapezoidal block 50 is adapted to the second inclined surface 4601; during operation, in the process that the shielding plate 16 moves, the third L-shaped plate 46 is driven to move, the second inclined surface 4601 on the side surface of the moving third L-shaped plate 46 pushes the inclined surface of the trapezoidal block 50 at the bottom of the connecting frame 47, so that the connecting frame 47 is driven by the trapezoidal block 50 to compress the elastic supporting mechanism to move, the moving connecting frame 47 drives the sliding plate 48 to move towards the outside of the first box body 12 by the downward moving third rotating pin 49, the arc-shaped end portion of the moving sliding plate 48 presses the surface of the rotating plate 34, and the rotating plate 34 is convenient to rotate by pressing, when the shielding plate 16 moves to reset, the second inclined surface 4601 of the third L-shaped plate 46 cancels pushing of the inclined surface of the trapezoidal block 50, the compressed elastic supporting mechanism resets, so that the connecting frame 47 resets, and further, the sliding plate 48 is driven to move to reset towards the inside of the first box body 12, and the arc-shaped end portion of the sliding plate 48 cancels pressing of the surface of the rotating plate 34.

As an embodiment of the present invention, the elastic supporting mechanism includes a sliding slot 51, the sliding slot 51 is opened on the inner wall of the first box 12, the inner wall of the sliding slot 51 is fixedly connected with a second sliding rod 52, the surface of the second sliding rod 52 is slidably connected with a sliding block 5201, the end of the sliding block 5201 extends to the outside of the sliding slot 51 and then is fixedly connected with the side surface of the connecting frame 47, a second spring 53 is fixedly connected between the sliding block 5201 and the slot wall of the sliding slot 51, and the second spring 53 is sleeved on the surface of the second sliding rod 52; during operation, under the initial condition, second spring 53 improves the holding power, is convenient to maintain the initial condition of connecting frame 47, and in the process that trapezoidal piece 50 atress drove connecting frame 47 and removes, drive slider 5201 and compress second spring 53 along the surface of second slide bar 52 and remove, after second inclined plane 4601 of third L type board 46 cancels the promotion to the inclined plane of trapezoidal piece 50 and blocks, compressed second spring 53 resets and produces the driving force that resets to promote slider 5201 and remove along second slide bar 52 and reset, thereby drive connecting frame 47 and remove and reset.

As an embodiment of the present invention, the preheating mechanism includes two sets of third mounting plates 54 and two second conductive plates 60, the two sets of third mounting plates 54 are both fixedly connected to the top of the first support plate 3, two second synchronizing wheels 55 distributed up and down are both rotatably connected between the same set of third mounting plates 54, the surfaces of the two sets of second synchronizing wheels 55 are both in transmission connection with second synchronizing belts 56, heating plates 57 are respectively embedded into the surfaces of the second synchronizing belts 56, two motors 58 are fixedly mounted on the side surface of any one of the third mounting plates 54, the output shafts of the two motors 58 are both rotatably penetrated through the third mounting plates 54 and extend to the outside thereof and then are respectively and fixedly connected with the adjacent second synchronizing wheels 55, annular grooves 5601 are respectively formed on both sides of the second synchronizing belts 56, the inner wall of the annular groove 5601 is slidably connected with a first conductive plate 59, the inner side surface of the first conductive plate 59 is electrically connected with the end part of the adjacent heating plate 57 in a sliding contact manner, the two first conductive plates 59 are electrically connected with the heating plate 57 through leads, the two second conductive plates 60 are respectively and fixedly connected with the top of the first support plate 3, the two second conductive plates 60 are respectively and electrically connected with two poles of an external mobile power supply through leads, one side of each second conductive plate 60 facing the first conductive plate 59 is rotatably connected with two conductive columns 61, the end parts of the two conductive columns 61 are respectively and electrically connected with the surfaces of the upper and lower first conductive plates 59 in a fixed connection state, and two sixth transmission rollers 62 are vertically and rotatably connected between the third mounting plates 54 in the same group; when the device works, the strip steel 14 to be conveyed passes through the space between two sets of upper and lower sixth conveying rollers 62 and passes through the space between two second synchronous belts 56, the sixth conveying rollers 62 are arranged to facilitate the conveying of the strip steel 14 and maintain the horizontal transmission of the strip steel 14 between the two second synchronous belts 56, so that the surface of the strip steel 14 conveyed by the heating plates 57 on the surfaces of the second synchronous belts 56 is conveniently heated, the motor 58 is started by virtue of an external controller, and the two second conductive plates 60 are supplied with power by virtue of an external mobile power supply, so that the two second conductive plates 60 form a closed loop by virtue of the first conductive plate 59 and the heating plates 57 adjacent to and in contact with the first conductive plate 59, thereby realizing the power supply of the heating plates 57, facilitating the preheating treatment of the surfaces of the strip steel 14 by the heating plates 57 on the two sides of the strip steel 14, and facilitating the galvanizing treatment of the surfaces of the strip steel by the galvanizing in the hot galvanizing bath 2 in the later stage, avoid influencing the galvanizing effect because the surface temperature of the strip steel 14 is too low, the motor 58 can drive the second synchronous wheel 55 to rotate, thereby driving the second synchronous belt 56 connected with the heating plate 57 to rotate, the transmission of the transmitted strip steel 14 is convenient, when the second synchronous belt 56 rotates, the arranged first conductive plate 59 is always contacted with the conductive post 61 connected with the side surface of the second conductive plate 60, thereby facilitating the external power supply mechanism to supply power for the rotating heating plate 57, avoiding the phenomenon that the connected wire is twisted and pulled because of the rotation of the heating plate 57, and in the whole heating process, the heating plate 57 can be in contact heating with the strip steel, reducing the waste of heat in the heat conduction process by other media, and in the heating process, the heating plate 57 which is always kept near the strip steel generates heat, the heating plates 57 at other positions are not electrified to generate heat, the waste of electricity is reduced.

The working principle of the invention is as follows:

according to the description of fig. 1 to fig. 14, the power supply device supplies power to the electrical components in the device by means of the external power supply mechanism, in the initial state, the shielding mechanism shields the air outlet 15, which is beneficial to preventing external dust from entering the inside of the first box 12, and keeping the inside of the first box 12 clean, the provided solvent pool 1 is convenient to pour the plating assistant solvent into the solvent pool, the plating assistant solvent is used for reacting with the oxide on the surface of the strip steel 14, so as to avoid the oxide on the surface of the strip steel 14 from influencing the later stage galvanizing effect, the strip steel 14 to be galvanized is transmitted by the transmission mechanism, the air is blown into the first box 12 by the provided blowing mechanism, the blown air drives the shielding mechanism to move, thereby eliminating the shielding of the shielding mechanism on the air outlet 15, recovering the ventilation state at the air outlet 15, the hot air blown out from the air outlet 15 on the second plane 1202, the solvent adhered to be blown down, the solvent adhered to be blown into the solvent pool 1 to be blown, the solvent adhered to reduce the adhesion of the surface of the strip steel 14, the hot air outlet 15 on the first plane 1203, thereby facilitating the drying of the strip steel 14, and facilitating the preheating treatment of the hot air on the strip steel 14, and preheating treatment mechanism, thereby facilitating the electroplating zinc plating treatment on the surface of the strip steel after the plating mechanism.

The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.

Claims (3)

1. The device for continuously hot galvanizing strip steel comprises a solvent tank (1) and a hot-dip tank (2), wherein a first supporting plate (3) is fixedly connected between the solvent tank (1) and the hot-dip tank (2), a second supporting plate (4) is fixedly connected to one side, away from the first supporting plate (3), of the solvent tank (1), a third supporting plate (5) is fixedly connected to one side, away from the first supporting plate (3), of the hot-dip tank (2), a transmission mechanism is arranged between the second supporting plate (4) and the third supporting plate (5), and is used for transmitting the strip steel (14) needing to be galvanized, and the device is characterized in that two first box bodies (12) obliquely arranged are arranged above the first supporting plate (3), connecting blocks (13) are fixedly connected to the side surfaces of the two first box bodies (12) together, the bottom of the first box body (12) below is fixedly connected with the top of the first supporting plate (3) through a first mounting plate (11), a first plane (1203) and a second plane (1202) are arranged on the first box body (12), and a plurality of air outlet holes (1203) and 15) are respectively arranged on the first box body (1202) and are used for shielding a plurality of air outlet mechanisms (1202) and are respectively arranged at equal intervals, the side surfaces of the first boxes (12) are provided with blowing mechanisms, the blowing mechanisms are used for linking the shielding mechanisms to cancel shielding of the air outlet holes (15) and blowing hot air to the surface of the strip steel (14) through the air outlet holes (15), a wiping mechanism is arranged between the two first boxes (12) and is used for wiping redundant solution on the two sides of the strip steel (14);

the top of the first supporting plate (3) is provided with a preheating mechanism, and the preheating mechanism is used for heating the dried strip steel (14);

the conveying mechanism comprises two first conveying rollers (6), a fourth conveying roller (9), two second conveying rollers (7), two fifth conveying rollers (10) and two third conveying rollers (8), the two first conveying rollers (6) are connected to the top of the second supporting plate (4) in an up-and-down rotating mode, the fourth conveying rollers (9) are connected to the inner wall of the solvent pool (1) in a rotating mode, the two second conveying rollers (7) are distributed in an up-and-down mode, the second conveying rollers (7) are connected to the top of the first supporting plate (3) in a rotating mode, the two fifth conveying rollers (10) are connected to the inner wall of the hot-dip coating pool (2) in a horizontal rotating mode, and the two third conveying rollers (8) are connected to the top of the third supporting plate (5) in an up-and-down rotating mode;

the shielding mechanism comprises a shielding plate (16), two first sliding rods (17), a drainage plate (63) and a rectangular opening (1201), the shielding plate (16) is connected to the inner wall of the first box body (12) in a sliding manner, a plurality of through openings (18) staggered with the air outlet holes (15) are formed in the surface of the shielding plate (16), the two first sliding rods (17) are fixedly connected to the inner side wall of the first box body (12), a second mounting plate (19) is connected to the surface of the first sliding rods (17) in a sliding manner, the two second mounting plates (19) are fixedly connected to the top of the shielding plate (16), a first spring (1701) is fixedly connected between the second mounting plate (19) and the inner wall of the first box body (12), the first spring (1701) is sleeved on the surface of the first sliding rods (17), the drainage plate (63) is fixedly connected to the bottom end of the first box body (12) below, the end part of the drainage plate (63) extends to the interior of the solvent pool (1), the opening (21) is formed in the sealing plate (21) and one side wall of the first box body (12) is connected to a sealing plate (21), the end part of the first L-shaped plate (22) is fixedly connected with the top of the shielding plate (16), and the rectangular opening (1201) is communicated with the blowing mechanism;

the wiping mechanism comprises two first rectangular plates (24) and a second cylinder (32), the two first rectangular plates (24) are symmetrically and fixedly connected between the two first box bodies (12), guide rails (25) are symmetrically arranged on the surface of each first rectangular plate (24), each guide rail (25) consists of a first guide port (2501) and a second guide port (2502) which are communicated with each other, the side surface of each first rectangular plate (24) is connected with a second rectangular plate (26) in a sliding manner, the surface of each second rectangular plate (26) is provided with two oblique ports (27) which are symmetrically arranged, two water suction rollers (28) are arranged between the two first rectangular plates (24), a first rotating pin (29) is fixedly inserted in the water suction rollers (28), two ends of the first rotating pin (29) respectively penetrate through the first guide ports (2501) and extend into the oblique ports (27), the surface of the connecting block (13) far away from one side of the water suction rollers (28) is connected with a first cylindrical plate (30) in a rotating manner, the first cylindrical plate (31) penetrates through the outer portion of the first guide port (31) and extends to the second connecting block (31), and the reciprocating screw rod (31) is connected with the reciprocating screw rod (31), and the outer portion of the reciprocating screw rod (31), a transmission mechanism is connected between the upper end of the first cylinder (30) and the second conveying roller (7) positioned below the first cylinder, the transmission mechanism is used for synchronously driving the first cylinder (30) to rotate when the second conveying roller (7) rotates, and the second cylinder (32) is fixedly connected to one side, close to the second rectangular plate (26), of the other connecting block (13);

the transmission mechanism comprises a fixed plate (33), a second gear (38), a second L-shaped plate (39) and a worm (42), the fixed plate (33) is fixedly connected to the tops of the two first boxes (12), a first rotating shaft (35) is fixedly connected to the side surface of the fixed plate (33), a rotating plate (34) is rotatably connected to the surface of the first rotating shaft (35), a torsion spring (3501) is fixedly connected between the rotating plate (34) and the fixed plate (33), the torsion spring (3501) is sleeved on the surface of the first rotating shaft (35), a second rotating shaft (36) is rotatably connected to the side surface edge of the rotating plate (34), a first gear (37) is fixedly connected to the end part of the second rotating shaft (36), the second gear (38) is fixedly connected to the surface of the second conveying roller (7) below the worm, the second gear (38) is matched with the first gear (37), the second L (39) is fixedly connected to the side surface of the fixed plate (33), a third gear (40) is connected to the side surface of the second conveying roller (7), the second L (39) is connected to the third rotating shaft (40), and a third shaft (40) is connected to the cylindrical worm wheel (41), the worm wheel (41) is meshed with the worm (42), the surfaces of the third rotating shaft (40) and the second rotating shaft (36) are respectively and fixedly connected with a first synchronizing wheel (43), the surfaces of the two first synchronizing wheels (43) are jointly in transmission connection with a first synchronizing belt (44), a linkage mechanism is connected between the rotating plate (34) and the shielding plate (16), and the linkage rotating plate (34) is turned over when the shielding plate (16) cancels shielding of the air outlet (15);

an arc-shaped groove (3301) is formed in the side face of the fixed plate (33), a second rotating pin (45) is connected to one side, facing the arc-shaped groove (3301), of the rotating plate (34) in a rotating mode, and the end portion of the second rotating pin (45) is inserted into the arc-shaped groove (3301);

the linkage mechanism comprises a third L-shaped plate (46), a connecting frame (47) and a sliding plate (48), the third L-shaped plate (46) is fixedly connected to the top of the shielding plate (16), a second inclined surface (4601) is formed in the side surface of the third L-shaped plate (46), the connecting frame (47) is connected to the inner side wall of the first box body (12) in a sliding mode, an elastic supporting mechanism for elastically supporting the sliding direction is arranged between the connecting frame (47) and the inner side wall of the first box body (12), the elastic supporting mechanism is used for supporting the initial position of the connecting frame (47), the sliding plate (48) is connected to the inner wall of the first box body (12) in a sliding mode, the end portion of the sliding plate (48) penetrates through the first box body (12) in a sliding sealing mode and extends to the outside of the first box body, the end portion of the sliding plate (48) is arranged in an arc-shaped surface mode, the arc-shaped end portion of the sliding plate (48) is in contact with the top of the rotating plate (34), a third rotating pin (49) is connected to the side surface of the sliding plate (48) in a rotating pin, the connecting block (49) is inserted into the inclined surface of the trapezoidal frame (47), and a second inclined block (50) is connected with the connecting block (47), and the connecting block (50);

elastic support mechanism includes spout (51), spout (51) are seted up on the inner wall of first box (12), the inner wall fixedly connected with second slide bar (52) of spout (51), the surperficial sliding connection of second slide bar (52) has slider (5201), the tip of slider (5201) extends to behind the outside of spout (51) with the side fixed connection of connection frame (47), slider (5201) with fixedly connected with second spring (53) between the cell wall of spout (51), second spring (53) cover is established on the surface of second slide bar (52).

2. The device for continuously hot galvanizing strip steel according to claim 1, wherein the blowing mechanism comprises a second box body (20), the second box body (20) is fixedly connected to the side wall of the first box body (12), the second box body (20) is communicated with the rectangular opening (1201), a hot air blower (23) is fixedly installed and rotated on the side surface of the second box body (20), and an air outlet pipe of the hot air blower (23) is fixedly communicated with the second box body (20).

3. The device for continuously hot galvanizing strip steel according to claim 1, wherein the preheating mechanism includes two sets of third mounting plates (54) and two second conductive plates (60), the two sets of third mounting plates (54) are both fixedly connected to the top of the first support plate (3), two second synchronous wheels (55) distributed up and down are rotatably connected between the same set of third mounting plates (54), the surfaces of the two sets of second synchronous wheels (55) are both in transmission connection with a second synchronous belt (56), a heating plate (57) is respectively embedded in the surface of the second synchronous belt (56), two motors (58) are fixedly mounted on the side surface of any one of the third mounting plates (54), output shafts of the two motors (58) are both rotatably penetrated through the third mounting plates (54) and extend to the outside of the third mounting plates and are respectively and fixedly connected to the adjacent second synchronous wheels (55), annular grooves (1) are respectively formed on both sides of the second synchronous belt (56), a first conductive plate (59) is slidably connected to the inner wall of the annular groove (1), the first inner side surface (59) is electrically connected to the adjacent second synchronous wheels (57), and the ends of the second synchronous belt (5601) are both electrically connected to the second conductive plates (60) through wires, and the second synchronous wheels (57), two second current conducting plate (60) are respectively through wire and outside portable power source's two poles of the earth electric connection, second current conducting plate (60) rotate towards one side of first current conducting plate (59) and are connected with two and lead electrical pillar (61), two the tip of leading electrical pillar (61) respectively with upper and lower two the electric connection of the fixed surface connection state of first current conducting plate (59), with the group rotate from top to bottom between third mounting panel (54) and be connected with two sixth transmission rollers (62).

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