Polishing, washing and drying all-in-one machine

Abstract

The invention relates to the technical field of steel plate machining, in particular to a polishing, washing and drying all-in-one machine which comprises a machine body, a polishing mechanism, a washing mechanism and a drying mechanism, and the polishing mechanism is used for polishing a steel plate; the washing mechanism is used for washing the polished steel plate; the drying mechanism is used for drying the washed steel plate; the washing mechanism comprises a first conveying module, a spraying module and a water absorption module, the first conveying module is used for enabling the plate to sequentially pass through the spraying module and the water absorption module, the spraying module is used for spraying cleaning liquid to the surface of the plate, and the water absorption module is used for wiping the sprayed plate. Through the polishing mechanism, the washing mechanism and the drying mechanism which are sequentially arranged, polishing, washing and drying actions on the steel plate are integrated, the structure is compact, the requirement for space is not large, and application and popularization are easy.

Description

Technical Field

[0001] The invention relates to the technical field of steel plate processing, in particular to a polishing, washing and drying all-in-one machine. Background Art

[0002] At present, the polishing process of steel plates is usually carried out in steps, that is, the steel plates are polished, washed and dried respectively through different equipment. The integration and connection between different equipment not only requires more accessories or devices, but also because different equipment realizes different functions respectively, the demand for space is very large. Summary of the invention

[0003] In view of the problems of the prior art, the present invention provides a polishing, washing and drying all-in-one machine, which integrates the three actions of polishing, washing and drying of steel plates, thereby simplifying the overall structure and reducing the demand for space.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0005] The present invention provides a polishing, washing and drying integrated machine, comprising a machine body and a polishing mechanism, a washing mechanism and a drying mechanism all arranged on the machine body.

[0006] The polishing mechanism is used to polish the steel plate;

[0007] The water washing mechanism is used to wash the polished steel plate;

[0008] The drying mechanism is used to dry the steel plate after washing;

[0009] The water washing mechanism includes a first transmission module, a spray module and a water absorption module. The first transmission module is used for the plate to pass through the spray module and the water absorption module in turn. The spray module is used to spray cleaning liquid on the surface of the plate, and the water absorption module is used to wipe the plate after spraying.

[0010] Further, the polishing mechanism includes a thickness measuring module, a first conveying module, a first polishing module, a second conveying module and a second polishing module which are sequentially arranged on the machine body, the thickness measuring module is used to measure the thickness of the steel plate to be polished, the first conveying module and the second conveying module are both used to transport the steel plate, and the first polishing module and the second polishing module are respectively used to polish the upper surface and the lower surface of the steel plate;

[0011] The first polishing module includes a first polishing transmission roller, a first polishing roller, a first swinging assembly, a first driving assembly and a first lifting assembly. The first polishing roller is located directly above the first polishing transmission roller. The first driving assembly is used to drive the first polishing roller to rotate. The first swinging assembly is used to drive the first polishing roller to move back and forth along the axial direction of the first polishing roller. The first lifting assembly is electrically connected to the thickness measuring module, and the first lifting assembly is used to control the lifting and lowering of the first polishing roller.

[0012] Furthermore, the first polishing roller includes a first fixed shaft, a first movable shaft and at least one first polishing portion, the ends of the first fixed shaft and the first movable shaft that are away from each other are respectively connected to the first swinging assembly and the first lifting assembly, an end of the first fixed shaft close to the first movable shaft is provided with a movable groove, an end of the first movable shaft close to the first fixed shaft is movably inserted in the movable groove, an anti-falling structure is provided between the first movable shaft and the first fixed shaft; at least one first polishing portion is installed on the first movable shaft.

[0013] Furthermore, the first driving assembly includes a first driving motor, a first driving wheel, a first belt and a first tensioning member, the first driving motor is mounted on the machine body, the first driving wheel is mounted on the rotating shaft of the first driving motor, two ends of the first belt are respectively connected around the first driving wheel and the first fixed shaft, and the first tensioning member is used to adjust the tension of the first belt as the first polishing roller rises and falls;

[0014] The first swing assembly includes a first swing motor, a first transmission module, a first guide module and a first swing seat. The first swing motor and the first guide module are both installed on the machine body. The first swing seat is slidably arranged on the first guide module. The first swing motor drives the first swing seat to move back and forth along the first guide module via the first transmission module. The first movable shaft is installed on the first swing seat.

[0015] Furthermore, the first tensioning member includes a tensioning wheel and a linkage member, the tensioning wheel is installed at one end of the linkage member, the other end of the linkage member is rotatably arranged on the machine body, and the first lifting assembly drives and connects the linkage member.

[0016] Furthermore, the number of the water absorption modules is at least one, and the water absorption module includes a supporting roller and a water absorption roller both rotatably arranged on the machine body, the water absorption roller is located directly above the supporting roller, and sponges are arranged on the periphery of the supporting roller and the water absorption roller, and the sponges are used to contact with the steel plate; an adaptive thickness adjustment mechanism is arranged between the water absorption roller and the machine body.

[0017] Furthermore, the number of the adaptive thickness adjustment mechanism is two, and the adaptive thickness adjustment mechanism includes a mounting seat, a pressure head, an elastic member, a threaded member and a limit member. The limit member is installed on the machine body, the threaded member is screwed to the limit member, the pressure head is located on the top of the mounting seat, and the two ends of the water-absorbing roller are respectively rotatably set on the two mounting seats; the elastic member is set between the threaded member and the pressure head.

[0018] Furthermore, the water absorption module also includes an extrusion member and a water absorption device. The extrusion member is located above the water absorption roller, the extrusion member is used to squeeze the water absorption roller, and the water absorption device is used to recover water squeezed out from the water absorption roller.

[0019] Furthermore, the drying mechanism includes a drying transmission module, a cold air module and a hot air module. The cold air module is located between the water absorption module and the hot air module. The drying transmission module is used to transmit the steel plates through the cold air module and the hot air module in turn. The cold air module is used to blow cold air to dry the steel plates after the water absorption treatment. The hot air module is used to blow hot air to dry the plates after the cold air drying treatment.

[0020] Furthermore, the number of the cold air modules is at least one, and the cold air module includes an upper adjusting member, a lower adjusting member, an upper air outlet member and a lower air outlet member, the upper air outlet member is located above the lower air outlet member, and the upper air outlet member and the lower air outlet member are connected to the same air source in the outside; the upper adjusting member and the lower adjusting member are respectively installed on the machine body, the upper adjusting member and the lower adjusting member are respectively provided with arc-shaped adjustment grooves, the upper air outlet member and the lower air outlet member are respectively provided with fixing holes, the upper air outlet member is rotatably connected to the upper adjusting member, the lower air outlet member is rotatably connected to the lower adjusting member, and the fixing holes are aligned with the adjustment grooves and fixed by screws.

[0021] Beneficial effects of the present invention: The present invention integrates the polishing, washing and drying actions of the steel plate by sequentially arranging the polishing mechanism, the washing mechanism and the drying mechanism. The structure is compact and the space requirement is small, so the present invention is easy to promote and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the present invention.

[0023] Figure 2 for Figure 1 Enlarged view of point A.

[0024] Figure 3 It is a schematic diagram of the polishing mechanism of the present invention.

[0025] Figure 4 It is a schematic diagram of the polishing mechanism of the present invention from another perspective.

[0026] Figure 5 It is a schematic diagram of the cooperation between the first polishing roller and the first swinging assembly of the present invention.

[0027] Figure 6 It is a schematic diagram of the water washing mechanism of the present invention.

[0028] Figure 7 It is a schematic diagram of the extrusion part and the water absorption device of the present invention.

[0029] Figure 8It is a schematic diagram of the drying mechanism of the present invention.

[0030] Fig. 9 for Figure 8 Schematic diagram of point B.

[0031] Figure numerals: 1—machine body, 2—polishing mechanism, 3—washing mechanism, 4—drying mechanism, 21—thickness measuring module, 22—first conveying module, 23—first polishing module, 24—second conveying module, 25—second polishing module, 31—first transmission module, 32—spraying module, 33—water absorption module, 41—drying transmission module, 42—cold air module, 43—hot air module, 231—first polishing transmission roller, 232—first polishing roller, 233—first swinging assembly, 234—first driving assembly, 235—first lifting assembly, 236—first fixed shaft, 237—first movable shaft, 238—first polishing part, 251—second polishing transmission roller, 252—second polishing roller, 253—second swinging assembly, 254—second driving group Components, 255—second lifting component, 331—supporting roller, 332—water absorption roller, 333—sponge, 334—adaptive thickness adjustment mechanism, 335—extrusion component, 336—water absorption device, 421—upper adjustment component, 422—lower adjustment component, 423—upper air outlet component, 424—lower air outlet component, 425—adjustment slot, 426—fixing hole, 2331—first swing motor, 2332—first transmission module, 2333—first guide module, 2334—first swing seat, 2342—first driving wheel, 2343—first belt, 2344—first tensioning component, 2345—tensioning wheel, 2346—linkage component, 3341—mounting seat, 3342—pressure head, 3343—elastic component, 3344—threaded component, 3345—limiting component. DETAILED DESCRIPTION

[0032] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with the embodiments and drawings, and the contents mentioned in the embodiments are not intended to limit the present invention. The present invention is described in detail below in conjunction with the drawings.

[0033] like Figures 1 to 9 As shown, the present invention provides a polishing, washing and drying integrated machine, comprising a machine body 1 and a polishing mechanism 2, a washing mechanism 3 and a drying mechanism 4 all arranged on the machine body 1.

[0034] The polishing mechanism 2 is used for polishing the steel plate;

[0035] The water washing mechanism 3 is used to wash the polished steel plate;

[0036] The drying mechanism 4 is used to dry the steel plate after washing;

[0037] The water washing mechanism 3 includes a first transmission module 31, a spray module 32 and a water absorption module 33. The first transmission module 31 is used for the steel plate to pass through the spray module 32 and the water absorption module 33 in sequence. The spray module 32 is used to spray cleaning liquid on the surface of the steel plate, and the water absorption module 33 is used to wipe the steel plate after spraying.

[0038] Specifically, when the present invention is working, the steel plate first enters the polishing mechanism 2, and the polishing mechanism 2 polishes the two sides of the steel plate respectively. The polished steel plate is transferred to the water washing mechanism 3 for water washing on both sides to wash away surface debris, and then the steel plate is transferred to the drying mechanism 4 for drying, thereby realizing the integrated polishing, water washing and drying actions of the steel plate, improving efficiency and reducing the demand for space.

[0039] In this embodiment, the polishing mechanism 2 includes a thickness measuring module 21, a first conveying module, a first polishing module 23, a second conveying module 24 and a second polishing module 25 which are sequentially arranged on the body 1. The thickness measuring module 21 is used to measure the thickness of the steel plate to be polished, the first conveying module and the second conveying module 24 are both used to transmit the steel plate, and the first polishing module 23 and the second polishing module 25 are respectively used to polish the upper surface and the lower surface of the steel plate.

[0040] Specifically, the first polishing module 23 includes a first polishing transmission roller 231, a first polishing roller 232, a first swinging assembly 233, a first driving assembly 234 and a first lifting assembly 235. The first polishing roller 232 is located directly above the first polishing transmission roller 231. The first driving assembly 234 is used to drive the first polishing roller 232 to rotate. The first swinging assembly 233 is used to drive the first polishing roller 232 to move back and forth along the axial direction of the first polishing roller 232. The first lifting assembly 235 is electrically connected to the thickness measuring module 21, and the first lifting assembly 235 is used to control the lifting and lowering of the first polishing roller 232.

[0041] The structure of the second polishing module 25 is basically the same as that of the first polishing module 23, except that the second polishing roller 252 of the second polishing module 25 is located directly below the second polishing transmission roller 251 thereof. Specifically, the second polishing module 25 includes a second polishing transmission roller 251, a second polishing roller 252, a second swinging assembly 253, a second driving assembly 254 and a second lifting assembly 255. The second polishing roller 252 is located directly below the second polishing transmission roller 251. The second driving assembly 254 is used to drive the second polishing roller 252 to rotate. The second swinging assembly 253 is used to drive the second polishing roller 252 to move back and forth along the axial direction of the second polishing roller 252. The second lifting assembly 255 is electrically connected to the thickness measuring module 21, and the second lifting assembly 255 is used to control the lifting and lowering of the second polishing roller 252.

[0042] The thickness measuring module 21 is preferably a conventional thickness measuring mechanism such as an infrared device, that is, when the present invention is working, the thickness measuring module 21 first detects the thickness of the steel plate, and the first polishing module 23 and the second polishing module 25 adjust the gap according to the thickness of the steel plate. Taking the first polishing module 23 as an example, if the thickness of the steel plate is greater than the current gap height between the first polishing roller 232 and the first polishing transmission roller 231, the first lifting component 235 controls the first polishing roller 232 to rise to increase the gap height, and then when the steel plate moves between the first polishing roller 232 and the first polishing transmission roller 231, the first driving component 234 drives the first polishing roller 232 to rotate to polish the upper surface of the steel plate. During the polishing process, the first swinging component 233 controls the first polishing roller 232 to move back and forth along its axial direction, so that the first polishing roller 232 has two directions of movement relative to the steel plate, so as to achieve a better polishing effect.

[0043] Specifically, the first polishing roller 232 includes a first fixed shaft 236, a first movable shaft 237 and at least one first polishing portion 238. The ends of the first fixed shaft 236 and the first movable shaft 237 that are away from each other are respectively connected to the first swing assembly 233 and the first lifting assembly 235. An end of the first fixed shaft 236 close to the first movable shaft 237 is provided with a movable groove. An end of the first movable shaft 237 close to the first fixed shaft 236 is movably inserted in the movable groove. An anti-falling structure is provided between the first movable shaft 237 and the first fixed shaft 236; at least one first polishing portion 238 is installed on the first movable shaft 237.

[0044] Preferably, the anti-falling structure is a conventional structure, and the first polishing part 238 is arranged on the first movable shaft 237. When swinging is required, the first swinging assembly 233 directly controls the first movable shaft 237 to move back and forth along its axial direction. Specifically, the first movable shaft 237 periodically inserts or extends out of the first fixed shaft 236 to drive the first polishing part 238 to move back and forth along the axial direction of the first movable shaft 237, so that the first polishing part 238, in addition to rotating, also contacts with the steel plate by friction through moving back and forth, so as to achieve a better polishing effect.

[0045] In this embodiment, the first swing assembly 233 includes a first swing motor 2331, a first transmission module 2332, a first guide module 2333 and a first swing seat 2334. The first swing motor 2331 and the first guide module 2333 are both installed on the body 1. The first swing seat 2334 is slidably set on the first guide module 2333. The first swing motor 2331 drives the first swing seat 2334 to move back and forth along the first guide module 2333 via the first transmission module 2332. The first movable shaft 237 is installed on the first swing seat 2334.

[0046] The first transmission module 2332 can be one of the following two structures: one includes a transmission belt and an eccentric wheel, and there is a spring between the first movable shaft 237 and the body 1, that is, the first swing motor 2331 drives the eccentric wheel to rotate through the transmission belt, and the rotation of the eccentric wheel pushes the first movable shaft 237 to move; when the non-long end of the eccentric wheel faces the first movable shaft 237, the movable shaft controls the first movable shaft 237 to reset under the action of the spring restoring deformation. The other includes a transmission belt and an eccentric wheel, and there is a connecting rod between the eccentric wheel and the first movable shaft 237, that is, when the eccentric wheel rotates, the posture of the connecting rod changes, thereby driving the first movable shaft 237 to move back and forth periodically.

[0047] Specifically, the first driving assembly 234 includes a first driving motor, a first driving wheel 2342, a first belt 2343 and a first tensioning member 2344. The first driving motor is installed on the body 1, the first driving wheel 2342 is installed on the rotating shaft of the first driving motor, and the two ends of the first belt 2343 are respectively connected to the first driving wheel 2342 and the first fixed shaft 236. The first tensioning member 2344 is used to adjust the tension of the first belt 2343 as the first polishing roller 232 rises and falls.

[0048] In actual use, the first tensioning member 2344 includes a tensioning wheel 2345 and a linkage member 2346 , the tensioning wheel 2345 is installed at one end of the linkage member 2346 , the other end of the linkage member 2346 is rotatably set on the body 1 , and the first lifting component 235 drives the linkage member 2346 .

[0049] In order to reduce the number of components that need to be driven for lifting, the first driving motor of the present invention does not lift with the first polishing roller 232, and the lifting of the first polishing roller 232 will inevitably cause the tightness of the first belt 2343 to change. At this time, the present invention sets the first tensioning member 2344, that is, when the first polishing roller 232 rises, the first belt 2343 must be pulled, so the lifting of the first polishing roller 232 will drive the linkage member 2346 to rotate, so that the tensioning wheel 2345 moves away from the first belt 2343, thereby reducing the tensioning wheel 234 5 is applied to the belt; when the first driving motor drives the first polishing roller 232 to descend, the first belt 2343 becomes loose. At this time, since the linkage member 2346 descends as the first polishing roller 232 descends, the tensioning wheel 2345 will resist the first belt 2343 and force the first belt 2343 to deform. The deformation is positively correlated with the descending height of the first polishing roller 232, thereby compensating for the looseness of the first belt 2343, thereby ensuring that the first driving motor drives the first polishing roller 232 to rotate reliably through the first belt 2343.

[0050] In this embodiment, a lifting seat can be provided to connect the first polishing roller 232, the first swinging assembly 233 and the linkage member 2346 to the lifting seat, so that when the lifting seat is lifted or lowered, the first polishing roller 232 and the first swinging assembly 233 can be lifted or lowered at the same time, and the linkage member 2346 can be driven to rotate relative to the body 1, so that the various actions of the present invention have a linkage effect, making the structure of the present invention simpler and more compact.

[0051] In this embodiment, the number of the water absorption module 33 is at least one, and the water absorption module 33 includes a supporting roller 331 and a water absorption roller 332 both rotatably arranged on the machine body 1, the water absorption roller 332 is located directly above the supporting roller 331, and sponges 333 are arranged on the periphery of the supporting roller 331 and the water absorption roller 332, and the sponge 333 is used to contact with the steel plate; an adaptive thickness adjustment mechanism 334 is arranged between the water absorption roller 332 and the machine body 1.

[0052] In actual use, the number of the adaptive thickness adjustment mechanism 334 is two, and the adaptive thickness adjustment mechanism 334 includes a mounting seat 3341, a pressure head 3342, an elastic member 3343, a threaded member 3344 and a limit member 3345. The limit member 3345 is installed on the body 1, the threaded member 3344 is screwed to the limit member 3345, the pressure head 3342 is located at the top of the mounting seat 3341, and the two ends of the water-absorbing roller 332 are respectively rotatably set on the two mounting seats 3341; the elastic member 3343 is set between the threaded member 3344 and the pressure head 3342; specifically, the elastic member 3343 is preferably a spring.

[0053] Due to the different thicknesses of different plates, when the steel plate is washed with water and enters the water absorption module 33, if the thickness of the steel plate is greater than the standard thickness, the steel plate will lift up the water absorption roller 332 after entering between the supporting roller 331 and the water absorption roller 332, thereby lifting up the mounting seat 3341 to force the pressure head 3342 to rise, and the elastic member 3343 is forced to deform; when the steel plate leaves the water absorption module 33, the elastic member 3343 recovers the deformation and controls the pressure head 3342 to descend, thereby allowing the mounting seat 3341 to descend back to the original height, achieving the effect of automatically adjusting the distance between the supporting roller 331 and the water absorption roller 332 according to the actual thickness of the steel plate. The setting of the elastic member 3343 is also used to provide an elastic force to force the water absorption roller 332 to always reliably contact the steel plate, thereby ensuring the wiping effect on the steel plate.

[0054] In addition, when the steel plate processed by the present invention changes, the pressure head 3342 and the mounting seat 3341 can be driven to rise and fall by screwing the threaded member 3344 according to the thickness of the changed steel plate, thereby achieving a quick and convenient adjustment effect.

[0055] Preferably, the first transmission module 31 and the second transmission module of the present invention also have adaptive thickness adjustment mechanisms 334, thereby ensuring that the first transmission module 31 and the second transmission module always contact the upper and lower surfaces of the steel plate when transmitting the steel plate.

[0056] Specifically, the support roller 331 may also be coated with a sponge 333 , that is, the support roller 331 and the water-absorbing roller 332 can simultaneously absorb and wipe the upper and lower surfaces of the steel plate, respectively, thereby ensuring a wiping effect.

[0057] Specifically, the water absorption module 33 further includes an extrusion member 335 and a water absorption device 336. The extrusion member 335 is located above the water absorption roller 332 and is used to squeeze the water absorption roller 332. The water absorption device 336 is used to recover the water squeezed out from the water absorption roller 332. The extrusion member 335 is used to squeeze out the water absorbed by the water absorption roller 332. It is preferably a component arranged on one side of the water absorption roller 332. When the water absorption roller 332 rotates to the extrusion member 335 after absorbing water, the extrusion member 335 squeezes out the water on the water absorption roller 332 and scrapes the fine debris on the surface of the water absorption roller 332 away from the water absorption roller 332. The scraped fine debris is mixed in the water, extracted by the water absorption device 336 and discharged to the recovery position for processing.

[0058] The water absorbing device 336 can be composed of a vacuum device and a container, that is, the vacuum device draws water away from the water squeezing member, and the water enters the container during the movement process, thereby achieving a recycling effect.

[0059] In this embodiment, the drying mechanism 4 includes a drying transmission module 41, a cold air module 42 and a hot air module 43. The cold air module 42 is located between the water absorption module 33 and the hot air module 43. The drying transmission module 41 is used to transmit the steel plate through the cold air module 42 and the hot air module 43 in turn. The cold air module 42 is used to blow cold air to dry the steel plate after the water absorption treatment. The hot air module 43 is used to blow hot air to dry the steel plate after the cold air drying treatment.

[0060] That is, after being washed with water, the steel plate is first dried by blowing cold air through the cold air module 42, and then dried twice by blowing hot air through the hot air module 43. The cold air from the cold air module 42 is mainly used to blow away fine chips that may remain on the steel plate during the drying process to ensure the cleanliness of the steel plate.

[0061] Specifically, the number of the cold air module 42 is at least one, and the cold air module 42 includes an upper adjusting member 421, a lower adjusting member 422, an upper air outlet member 423 and a lower air outlet member 424, the upper air outlet member 423 is located above the lower air outlet member 424, and the upper air outlet member 423 and the lower air outlet member 424 are connected to the same external air source; the upper adjusting member 421 and the lower adjusting member 422 are respectively installed on the body 1, the upper adjusting member 421 and the lower adjusting member 422 are respectively provided with an arc-shaped adjusting groove 425, the upper air outlet member 423 and the lower air outlet member 424 are respectively provided with a fixing hole 426, the upper air outlet member 423 is rotatably connected to the upper adjusting member 421, the lower air outlet member 424 is rotatably connected to the lower adjusting member 422, and the fixing hole 426 is aligned with the adjusting groove 425 and fixed by screws.

[0062] That is, the upper and lower surfaces of the steel plate are dried by blowing air through the upper air outlet piece 423 and the lower air outlet piece 424 respectively. Since the blowing angles are different for steel plates of different specifications, the present invention cooperates with the adjusting slot 425 and the fixing hole 426. Taking the upper air outlet piece 423 and the upper adjusting piece 421 as an example, the upper air outlet piece 423 is controlled to rotate a certain angle relative to the upper adjusting piece 421, and then the screw is passed through the adjusting slot 425 and then screwed to the fixing hole 426, thereby achieving the effect of maintaining the current relative posture between the upper air outlet piece 423 and the upper adjusting piece 421, making the application of the present invention more flexible.

[0063] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention is disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technician familiar with the profession can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent changes and modifications made to the above embodiments according to the technology of the present invention are within the scope of the technical solution of the present invention without departing from the content of the technical solution of the present invention.

Claims

1. A polishing, washing and drying machine, characterized in that: It includes a machine body and a polishing mechanism, a washing mechanism and a drying mechanism which are all arranged on the machine body. The polishing mechanism is used to polish the steel plate; The water washing mechanism is used to wash the polished steel plate; The drying mechanism is used to dry the steel plate after washing; The water washing mechanism includes a first transmission module, a spray module and a water absorption module. The first transmission module is used for the plate to pass through the spray module and the water absorption module in turn. The spray module is used to spray cleaning liquid on the surface of the plate, and the water absorption module is used to wipe the plate after spraying.

2. The polishing, washing and drying all-in-one machine according to claim 1, characterized in that: The polishing mechanism comprises a thickness measuring module, a first conveying module, a first polishing module, a second conveying module and a second polishing module which are sequentially arranged on the machine body, the thickness measuring module is used to measure the thickness of the steel plate to be polished, the first conveying module and the second conveying module are both used to transport the steel plate, and the first polishing module and the second polishing module are respectively used to polish the upper surface and the lower surface of the steel plate; The first polishing module includes a first polishing transmission roller, a first polishing roller, a first swinging assembly, a first driving assembly and a first lifting assembly. The first polishing roller is located directly above the first polishing transmission roller. The first driving assembly is used to drive the first polishing roller to rotate. The first swinging assembly is used to drive the first polishing roller to move back and forth along the axial direction of the first polishing roller. The first lifting assembly is electrically connected to the thickness measuring module, and the first lifting assembly is used to control the lifting and lowering of the first polishing roller.

3. The polishing, washing and drying all-in-one machine according to claim 2, characterized in that: The first polishing roller includes a first fixed shaft, a first movable shaft and at least one first polishing part. The ends of the first fixed shaft and the first movable shaft that are away from each other are respectively connected to the first swing assembly and the first lifting assembly. An end of the first fixed shaft close to the first movable shaft is provided with a movable groove. An end of the first movable shaft close to the first fixed shaft is movably inserted in the movable groove. An anti-falling structure is provided between the first movable shaft and the first fixed shaft. At least one first polishing part is installed on the first movable shaft.

4. The polishing, washing and drying all-in-one machine according to claim 3, characterized in that: The first driving assembly includes a first driving motor, a first driving wheel, a first belt and a first tensioning member, the first driving motor is mounted on the machine body, the first driving wheel is mounted on the rotating shaft of the first driving motor, two ends of the first belt are respectively connected to the first driving wheel and the first fixed shaft, and the first tensioning member is used to adjust the tension of the first belt as the first polishing roller rises and falls; The first swing assembly includes a first swing motor, a first transmission module, a first guide module and a first swing seat. The first swing motor and the first guide module are both installed on the machine body. The first swing seat is slidably arranged on the first guide module. The first swing motor drives the first swing seat to move back and forth along the first guide module via the first transmission module. The first movable shaft is installed on the first swing seat.

5. The polishing, washing and drying all-in-one machine according to claim 4, characterized in that: The first tensioning member includes a tensioning wheel and a linkage member. The tensioning wheel is installed at one end of the linkage member. The other end of the linkage member is rotatably arranged on the machine body. The first lifting assembly drives and connects the linkage member.

6. The polishing, washing and drying all-in-one machine according to claim 1, characterized in that: The number of the water absorption module is at least one, and the water absorption module includes a supporting roller and a water absorption roller both rotatably arranged on the machine body, the water absorption roller is located directly above the supporting roller, and sponges are arranged on the periphery of the supporting roller and the water absorption roller, and the sponges are used to contact the steel plate; an adaptive thickness adjustment mechanism is arranged between the water absorption roller and the machine body.

7. The polishing, washing and drying integrated machine according to claim 6, characterized in that: There are two adaptive thickness adjustment mechanisms, which include a mounting seat, a pressure head, an elastic member, a threaded member and a limit member. The limit member is installed on the machine body, the threaded member is screwed to the limit member, the pressure head is located on the top of the mounting seat, and the two ends of the water-absorbing roller are rotatably arranged on the two mounting seats respectively; the elastic member is arranged between the threaded member and the pressure head.

8. The polishing, washing and drying all-in-one machine according to claim 6, characterized in that: The water absorbing module also includes an extrusion member and a water absorbing device. The extrusion member is located above the water absorbing roller and is used to extrude the water absorbing roller. The water absorbing device is used to recover water squeezed out from the water absorbing roller.

9. The polishing, washing and drying all-in-one machine according to claim 1, characterized in that: The drying mechanism includes a drying transmission module, a cold air module and a hot air module. The cold air module is located between the water absorption module and the hot air module. The drying transmission module is used to transmit the steel plate through the cold air module and the hot air module in turn. The cold air module is used to blow cold air to dry the steel plate after the water absorption treatment. The hot air module is used to blow hot air to dry the plate after the cold air drying treatment.

10. The polishing, washing and drying all-in-one machine according to claim 9, characterized in that: The number of the cold air modules is at least one, and the cold air module comprises an upper adjusting member, a lower adjusting member, an upper air outlet member and a lower air outlet member, the upper air outlet member is located above the lower air outlet member, and the upper air outlet member and the lower air outlet member are connected to the same air source in the outside; the upper adjusting member and the lower adjusting member are respectively installed on the machine body, the upper adjusting member and the lower adjusting member are respectively provided with arc-shaped adjusting grooves, the upper air outlet member and the lower air outlet member are respectively provided with fixing holes, the upper air outlet member is rotatably connected to the upper adjusting member, the lower air outlet member is rotatably connected to the lower adjusting member, and the fixing holes are aligned with the adjusting grooves and fixed by screws.

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