阅读说明：本技术 一种镀锌钢板表面预处理设备及其预处理工艺 (Galvanized steel sheet surface pretreatment equipment and pretreatment process thereof ) 是由 蒋福利 于 2020-12-09 设计创作，主要内容包括：本发明公开了一种镀锌钢板表面预处理设备及其预处理工艺,属于金属表面处理技术领域,包括底座,所述底座的顶部固定连接有第一侧板座。本发明中,通过设计的第一液压缸、第二液压缸、第一升降座、第二升降座、缓冲弹簧、缓冲板、除垢装置、活动密封装置、微波室、气泵、微波发生器、第一转轴、驱动辊和第一电机等结构的互相配合下,因而钢板表面的油脂被蒸发,其余部分附着物会因干燥而脱离,辅以气泵引流作用,因而便可有效去除钢板表面的油脂以及其余部分附着物,保证了后续打磨加工的精准度,在打磨的过程中,对钢板的表面进行夹持固定,有效保证了钢板的稳定性,避免钢板在被打磨的过程中因受力不均而发生形变导致打磨效果差的问题出现。(The invention discloses galvanized steel sheet surface pretreatment equipment and a pretreatment process thereof, belonging to the technical field of metal surface treatment. According to the invention, through the mutual matching of the designed structures such as the first hydraulic cylinder, the second hydraulic cylinder, the first lifting seat, the second lifting seat, the buffer spring, the buffer plate, the descaling device, the movable sealing device, the microwave chamber, the air pump, the microwave generator, the first rotating shaft, the driving roller and the first motor, grease on the surface of the steel plate is evaporated, and other attachments can be separated due to drying, and the drainage function of the air pump is assisted, so that the grease on the surface of the steel plate and other attachments can be effectively removed, the precision of subsequent polishing processing is ensured, the surface of the steel plate is clamped and fixed in the polishing process, the stability of the steel plate is effectively ensured, and the problem of poor polishing effect caused by deformation of the steel plate due to uneven stress in the polishing process is avoided.)

1. The galvanized steel sheet surface pretreatment equipment comprises a base (1) and is characterized in that a feeding mechanism, a microwave treatment device, a first transmission device (15), a second transmission device (33) and a grinding mechanism are installed on the base (1), the end of the feeding mechanism is correspondingly provided with the microwave treatment device, the microwave treatment device comprises a microwave chamber (7) and an air pump (13), the microwave chamber (7) is provided with a microwave generator (11), the top of the microwave chamber (7) is communicated with an input port of the air pump (13) through a pumping pipe (12), the bottom of a machine body of the air pump (13) is fixedly connected with the top of the microwave chamber (7) through a damping seat, an output port of the air pump (13) is communicated with one end close to an external pipeline (14), and the side end surface of the microwave chamber (7) is respectively provided with a through hole (8) for accommodating a steel sheet to pass through, and the inner part of the microwave chamber (7) corresponding to the positions of the two through holes (8) is respectively provided with a movable sealing device (9) and a descaling device (10), one side of the microwave chamber (7) far away from the feeding mechanism is sequentially provided with a first transmission device (15), a grinding mechanism and a second transmission device (33) from near to far, the grinding mechanism comprises two first lifting seats (16), a second lifting seat (18) is arranged above the first lifting seat (16), the opposite surfaces of the first lifting seat (16) and the second lifting seat (18) are respectively provided with a first telescopic groove (20), a buffer plate (21) is sleeved in the first telescopic groove (20), the end part of the buffer plate (21) is fixedly connected with the inner part of the first telescopic groove (20) through a buffer spring (22), the opposite surface of the buffer plate (21) is an arc-shaped end surface, and a gap is reserved between the arc-shaped end surfaces, sliding grooves (23) are formed in the opposite side surfaces of the first lifting seat (16) and the second lifting seat (18), sliding seats (24) are connected in the sliding grooves (23) in a sliding mode, and a first polishing disk (25) and a second polishing disk (26) which horizontally and transversely move are fixedly connected to the two groups of sliding seats (24) in the positions corresponding to the first lifting seat (16) and the second lifting seat (18) respectively.

2. The galvanized steel sheet surface pretreatment apparatus according to claim 1, characterized in that the feeding mechanism comprises a first side plate base (2), a first bearing (3), a first rotating shaft (4) and driving rollers (5), the first side plate base (2) is fixedly connected to the top of the base (1), the first bearing (3) is clamped on the surface of the first side plate base (2), the first rotating shaft (4) is sleeved in the first bearing (3), the first rotating shaft (4) is coaxially and fixedly connected with the driving rollers (5), the number of the first side plate bases (2) is two, and the two driving rollers (5) are respectively arranged between the two first side plate bases (2) through the first rotating shaft (4) up and down, and the end of one first rotating shaft (4) is fixedly connected with the end of the output shaft of the first motor (6), the surface of the first motor (6) body is fixedly connected with one side, close to the first side plate seat (2), of the damping seat, the bottom of the first lifting seat (16) is fixedly connected with the top of the base (1) through the first hydraulic cylinder (17), and the opposite surfaces of the second lifting seat (18) and the first lifting seat (16) are fixedly connected through the second hydraulic cylinder (19).

3. The galvanized steel sheet surface pretreatment apparatus according to claim 1, wherein the number of the movable sealing devices (9) is two, the movable sealing devices (9) include a sealing plate (91), a second rotating shaft (92) is fixedly connected to an end portion of the sealing plate (91), a second bearing is sleeved on a surface of the second rotating shaft (92), the second bearing is clamped on a surface of a second side plate seat (94), a top portion of the second side plate seat (94) is fixedly connected with a top portion of an inner side of the microwave chamber (7), a first torsion spring (93) is sleeved on a surface of the second rotating shaft (92), one end of the first torsion spring (93) is fixedly connected with a face of the second side plate seat (94) close to the face, and the other end of the first torsion spring (93) is fixedly connected with a surface of the second rotating shaft (92).

4. The galvanized steel sheet surface pretreatment apparatus according to claim 3, wherein the descaling device (10) comprises a descaling plate (101), a third rotating shaft (102) is fixedly connected to an end of the descaling plate (101), a third bearing (104) is sleeved on the surface of the third rotating shaft (102), the third bearing (104) is clamped on the surface of a third side plate seat (105), the top of the third side plate seat (105) is fixedly connected with the top of the inner side of the microwave chamber (7), a second torsion spring (103) is sleeved on the surface of the third rotating shaft (102), one end of the second torsion spring (103) is fixedly connected with the surface of the third side plate seat (105) which is close to the third side plate seat, and the other end of the second torsion spring (103) is fixedly connected with the surface of the third rotating shaft (102).

5. The galvanized steel sheet surface pretreatment apparatus according to claim 1, wherein the first transmission device (15) and the second transmission device (33) have the same structure, the second transmission device (33) includes a fourth side plate base (331), the bottom of the fourth side plate base (331) is fixedly connected to the top of the base (1), a seventh bearing (332) is clamped on the surface of the fourth side plate base (331), a seventh rotating shaft (333) is sleeved in the seventh bearing (332), and the end of the seventh rotating shaft (333) is fixedly connected to the end close to the transmission roller (334).

6. The galvanized steel sheet surface pretreatment apparatus according to claim 5, characterized in that a first threaded cylinder (27) is clamped on the end surface of the first polishing disc (25), a first threaded rod (28) is connected in a threaded manner to the first threaded cylinder (27), a second threaded cylinder (29) is clamped on the end surface of the second polishing disc (26), and a second threaded rod (30) is connected in a threaded manner to the second threaded cylinder (29).

7. The galvanized steel sheet surface pretreatment equipment according to claim 6, characterized in that a fourth rotating shaft (31) is fixedly connected to the end of the first threaded rod (28), a fourth bearing (32) is sleeved on the surface of the fourth rotating shaft (31), the fourth bearing (32) is clamped on the surface of the first support frame (37), a sixth rotating shaft (48) is fixedly connected to the end of the second threaded rod (30), a sixth bearing (49) is sleeved on the surface of the sixth rotating shaft (48), the sixth bearing (49) is clamped on the surface of the second support frame (40), a second telescopic groove (39) is formed in the top of the second support frame (40), a telescopic plate (38) is slidably connected in the second telescopic groove (39), the top of the telescopic plate (38) is fixedly connected with the bottom of the first support frame (37), and the bottom of the second support frame (40) is fixedly connected with the top of the connecting seat (50), the connecting seat (50) is horizontally fixed between the two first lifting seats (16).

8. The galvanized steel sheet surface pretreatment apparatus according to claim 7, wherein a first bevel gear (34) is fixedly connected to an end of the fourth rotating shaft (31), a second bevel gear (35) is engaged with a surface of the first bevel gear (34), the second bevel gear (35) is fixedly connected to a surface of the fifth rotating shaft (36), a fifth bearing (41) is sleeved on a surface of the fifth rotating shaft (36), the fifth bearing (41) is clamped on a surface of the first support frame (37), a fourth bevel gear (47) is fixedly connected to an end of the sixth rotating shaft (48), a fifth bevel gear is engaged with a surface of the fourth bevel gear (47), the fifth bevel gear is fixedly connected to a surface of the eighth rotating shaft (45), an eighth bearing (51) is sleeved on a surface of the eighth rotating shaft (45), and the eighth bearing (51) is clamped on a surface of the second support frame (40), and the bottom end of the eighth rotating shaft (45) is fixedly connected with the end part of an output shaft of the second motor (42), and the bottom of the body of the second motor (42) is fixedly connected with the top of the connecting seat (50) through a damping seat.

9. The galvanized steel sheet surface pretreatment apparatus according to claim 8, characterized in that a third telescopic groove (44) is formed at the top end of the eighth rotating shaft (45), a telescopic rod (43) is sleeved in the third telescopic groove (44), the third telescopic groove (44) and the telescopic rod (43) are relatively fixed in the horizontal direction without torsional displacement, and the top end of the telescopic rod (43) is fixedly connected with the bottom end of the fifth rotating shaft (36).

10. The surface pretreatment process of the galvanized steel sheet according to claim 1, characterized by comprising the following process flows:

step S1: controlling a first motor (6) to operate, wherein an output shaft of the first motor (6) transmits torque to a driving roller (5) through a first rotating shaft (4) connected with the first motor, and the driving roller (5) is driven to perform stable rotating action in a first bearing (3) so as to drive a steel plate to transmit towards a microwave chamber (7);

step S2: in the process that the steel plate flows through the through hole (8) at the front end of the microwave chamber (7), the sealing plate (91) is in an opened state, and the sealing plate (91) is attached to the surface of the steel plate under the action of the first torsion spring (93) to smooth grease on the surface of the steel plate, so that the grease is distributed on the surface of the steel plate more uniformly;

step S3: controlling an air pump (13) and a microwave generator (11) on the microwave chamber (7) to operate, releasing microwaves into the microwave chamber (7) by the microwave generator (11), heating the steel plate under the action of the microwaves, increasing the surface temperature of the steel plate, evaporating surface grease, and separating other attachments due to drying, and pumping air in the microwave chamber (7) for drainage by the aid of the air pump (13) through a pumping pipe (12), so that the grease on the surface of the steel plate and other attachments are effectively removed;

step S4: after the steel plate is heated by microwave, a descaling plate (101) positioned in a through hole (8) at the rear end of a microwave chamber (7) is tightly attached to the surface of the steel plate under the action of the elastic force of a second torsion spring (103) so as to remove impurities dried on the surface of the steel plate;

step S5: the first transmission device (15) and the second transmission device (33) are used for bearing the steel plate and supporting the steel plate, so that the steel plate can be always kept in a stable state in the transmission process, and particularly, the steel plate is in a horizontal state when flowing through the second lifting seat (18) and the first lifting seat (16) to ensure the polishing effect of a middle polishing mechanism on the surface of the steel plate;

step S6: when the steel plate flows through the middle grinding mechanism, the first hydraulic cylinder (17) and the second hydraulic cylinder (19) are respectively controlled to do stretching or retracting actions, in the process, the buffer plate (21) can be in contact with the steel plate before the first grinding disc (25) and the second grinding disc (26), and the buffer plate (21) can stretch in the first telescopic groove (20) through the buffer spring (22), so that the first grinding disc (25) and the second grinding disc (26) on the upper surface and the lower surface of the steel plate can be in horizontal contact with the surface of the steel plate to ensure the grinding effect while the stability of clamping and fixing of the buffer plate (21) on the steel plate is ensured;

step S7: an output shaft of the second motor (42) can output torsion in the working process, the first bevel gear (34) and the second bevel gear (35) are used for acting the torsion on the first threaded rod (28) by utilizing the linkage effect, the third bevel gear (46) and the fourth bevel gear (47) are used for acting the torsion on the second threaded rod (30), and the first polishing disk (25) and the second polishing disk (26) are driven to horizontally and transversely move and polish on the surface of the steel plate under the combined action effect of the torsion and the thread meshing force, and the first support frame (37) can move up and down in the second telescopic groove (39) through the telescopic plate (38) under the telescopic action of the second hydraulic cylinder (19), the second support frame (40) can move up and down in the third telescopic groove (44) through the telescopic rod (43), the stability of the first threaded rod (28) and the second threaded rod (30) can be ensured while the grinding force is controlled.

Technical Field

The invention belongs to the technical field of metal surface treatment, and particularly relates to galvanized steel sheet surface pretreatment equipment and a pretreatment process thereof.

Background

Galvanized steel sheets are welded steel sheets having a hot-dip or electro-galvanized layer on the surface thereof, and are widely used in the construction, home appliances, vehicles and ships, container manufacturing, electro-mechanical industry, and the like.

The steel sheet its surface need carry out the primary processing before carrying out the hot-galvanize and handle, be used for getting rid of harmful substance such as the surperficial cinder of steel sheet, burr, greasy dirt, at present, traditional steel sheet pretreatment equipment is when getting rid of the greasy dirt, it removes to utilize chemicals to wash much, wash with the clear water subsequently, dry the processing again at last, the cost is higher, and produce a large amount of chemical waste water easily, unfavorable to the environmental protection, and the mode of adopting to polish when getting rid of its surperficial cinder and burr is many, however, at the in-process of polishing, because shake takes place easily between steel sheet and the equipment of polishing, and then can influence the levelness on steel sheet surface, consequently, urgent need a galvanized steel sheet surface pretreatment equipment and its pretreatment process of treating in present stage to solve above-mentioned problem.

Disclosure of Invention

The invention aims to: in order to solve the problems that when the oil stain is removed by the conventional steel plate pretreatment equipment, chemicals are mostly used for washing, then clear water is used for cleaning, and finally drying treatment is carried out, the cost is higher, a large amount of chemical wastewater is easily generated, the environmental protection is unfavorable, and most of the chemical wastewater is cleaned by adopting a polishing mode when oxide skin and burrs on the surface of the steel plate are removed, however, in the polishing process, the steel plate and the polishing equipment are easily vibrated, and the surface levelness of the steel plate is influenced, the galvanized steel plate surface pretreatment equipment and the pretreatment process thereof are provided.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a galvanized steel sheet surface preparation equipment, the on-line screen storage device comprises a base, install feed mechanism, microwave processing apparatus, first transmission, second transmission and grinding machanism on the base, feed mechanism end-to-end correspondence is provided with microwave processing apparatus, microwave processing apparatus includes microwave chamber and air pump, be provided with microwave generator on the microwave chamber, the top of microwave chamber is linked together through the input port of taking out tub with the air pump, the top fixed connection of shock attenuation seat and microwave chamber is passed through to the bottom of air pump fuselage, the delivery outlet of air pump is linked together with the close one end of external pipeline, the perforation that holds the steel sheet and pass through is seted up respectively to microwave chamber lateral surface to the inside corresponding two perforated positions of microwave chamber are provided with movable sealing device and scale removal device respectively, one side that feed mechanism was kept away from to the microwave chamber is by nearly first transmission to far having set gradually, Polishing mechanism and second transmission, polishing mechanism includes two first lift seats (16), the top of first lift seat is provided with the second lift seat, first flexible groove has all been seted up to the opposite face of first lift seat and second lift seat, first flexible inslot cover is equipped with the buffer board, buffer board's tip passes through buffer spring and the inside fixed connection of first flexible inslot, the buffer board opposite face is the arc terminal surface, leave the clearance between the arc terminal surface, the groove of sliding has all been seted up on the surface of first lift seat and second lift seat, sliding inslot sliding connection has the sliding seat, and two sets of sliding seats correspond first lift seat and second lift seat's position difference fixed connection and have horizontal lateral shifting's first millstone and second millstone of polishing.

As a further description of the above technical solution:

the feeding mechanism comprises a first side plate seat, a first bearing, a first rotating shaft and a driving roller, the top of the base is fixedly connected with the first side plate seat, the surface of the first side plate seat is clamped with a first bearing, a first rotating shaft is sleeved in the first bearing, the first rotating shaft is coaxially and fixedly connected with the driving roller, the number of the first side plate seats is two, and the two driving rollers are respectively arranged between the two first side plate seats up and down through the first rotating shaft, and the end part of one of the first rotating shafts is fixedly connected with the end part of the output shaft of the first motor, the surface of the first motor body is fixedly connected with one surface of the first side plate seat close to the first side plate seat through the damping seat, the bottom of the first lifting seat is fixedly connected with the top of the base through a first hydraulic cylinder, and the opposite surfaces of the second lifting seat and the first lifting seat are fixedly connected through a second hydraulic cylinder.

As a further description of the above technical solution:

the number of the movable sealing devices is two, each movable sealing device comprises a sealing plate, a second rotating shaft is fixedly connected to the end portion of each sealing plate, a second bearing is sleeved on the surface of each second rotating shaft and connected to the surface of a second side plate seat in a clamped mode, the top of each second side plate seat is fixedly connected with the top of the inner side of the microwave chamber, a first torsion spring is sleeved on the surface of each second rotating shaft, one end of each first torsion spring is fixedly connected with the side, close to the second side plate seat, of the corresponding first torsion spring, and the other end of each first torsion spring is fixedly connected with the surface of the corresponding second rotating shaft.

As a further description of the above technical solution:

the descaling device comprises a descaling plate, a third rotating shaft is fixedly connected to the end portion of the descaling plate, a third bearing is sleeved on the surface of the third rotating shaft and clamped on the surface of a third side plate seat, the top of the third side plate seat is fixedly connected with the top of the inner side of the microwave chamber, a second torsion spring is sleeved on the surface of the third rotating shaft, one end of the second torsion spring is fixedly connected with the side, close to the third side plate seat, of the second torsion spring, and the other end of the second torsion spring is fixedly connected with the surface of the third rotating shaft.

As a further description of the above technical solution:

the first transmission device and the second transmission device are identical in structure, the second transmission device comprises a fourth side plate seat, the bottom of the fourth side plate seat is fixedly connected to the top of the base, a seventh bearing is clamped on the surface of the fourth side plate seat, a seventh rotating shaft is sleeved in the seventh bearing, and the end of the seventh rotating shaft is fixedly connected with one end, close to the transmission roller, of the seventh rotating shaft.

As a further description of the above technical solution:

the end face joint of first polishing dish has a first screw thread section of thick bamboo, first screw thread section of thick bamboo internal thread connection has first threaded rod, the end face joint of second polishing dish has a second screw thread section of thick bamboo, second screw thread section of thick bamboo internal thread connection has the second threaded rod.

As a further description of the above technical solution:

the utility model discloses a bearing, including first threaded rod, first support frame, first telescopic slot, telescopic plate, first support frame, second telescopic slot, the tip fixedly connected with fourth pivot of first threaded rod, the fourth bearing has been cup jointed on the surface of fourth pivot, the fourth bearing joint is on the surface of first support frame, the tip fixedly connected with sixth pivot of second threaded rod, the sixth bearing has been cup jointed on the surface of sixth pivot, the sixth bearing joint is on the surface of second support frame, the flexible groove of second has been seted up at the top of second support frame, the flexible inslot sliding connection of second has the telescopic plate, the top of telescopic plate and the bottom fixed connection of first support frame, the bottom fixed connection of second support frame is at the top of connecting seat, the connecting seat level is fixed two between the first lift seat.

As a further description of the above technical solution:

the end part of the fourth rotating shaft is fixedly connected with a first bevel gear, the surface of the first bevel gear is engaged with a second bevel gear, the second bevel gear is fixedly connected to the surface of the fifth rotating shaft, a fifth bearing is sleeved on the surface of the fifth rotating shaft, the fifth bearing is clamped on the surface of the first supporting frame, the end part of the sixth rotating shaft is fixedly connected with a fourth bevel gear, the surface of the fourth bevel gear is engaged with a fifth bevel gear, the fifth bevel gear is fixedly connected to the surface of the eighth rotating shaft, an eighth bearing is sleeved on the surface of the eighth rotating shaft, the eighth bearing is clamped on the surface of the second supporting frame, the bottom end of the eighth rotating shaft is fixedly connected with the end part of the second motor output shaft, and the bottom of the second motor body is fixedly connected with the top of the connecting seat through a shock absorption seat.

As a further description of the above technical solution:

a third telescopic groove is formed in the top end of the eighth rotating shaft, a telescopic rod is sleeved in the third telescopic groove, the third telescopic groove and the telescopic rod are relatively fixed in the horizontal direction and do not generate torsional displacement, and the top end of the telescopic rod is fixedly connected with the bottom end of the fifth rotating shaft.

As a further description of the above technical solution:

the surface pretreatment process of the galvanized steel sheet comprises the following process flows:

step S1: controlling a first motor to operate, wherein an output shaft of the first motor transmits torque to a driving roller through a connected first rotating shaft, and the driving roller is driven to perform stable rotating action in a first bearing, so that a steel plate is driven to transmit to the direction of a microwave chamber;

step S2: in the process that the steel plate flows through the through hole at the front end of the microwave chamber, the sealing plate is in an opened state and is attached to the surface of the steel plate under the action of the first torsion spring to smooth grease on the surface of the steel plate, so that the grease is more uniformly distributed on the surface of the steel plate;

step S3: controlling an air pump and a microwave generator on the microwave chamber to operate, releasing microwaves into the microwave chamber by the microwave generator, heating the steel plate under the action of the microwaves, increasing the surface temperature of the steel plate, evaporating surface grease, and separating other attachments due to drying, and pumping air in the microwave chamber through a pumping pipe by the aid of the air pump for drainage so as to effectively remove the grease on the surface of the steel plate and other attachments;

step S4: after the steel plate is heated by microwave, the descaling plate positioned in the through hole at the rear end of the microwave chamber is tightly attached to the surface of the steel plate under the action of the elastic force of the second torsion spring so as to remove the dried impurities on the surface of the steel plate;

step S5: the first transmission device and the second transmission device are used for bearing the steel plate and supporting the steel plate, so that the steel plate can be always kept in a stable state in the transmission process, and particularly, the steel plate is in a horizontal state when flowing through the second lifting seat and the first lifting seat so as to ensure the polishing effect of a polishing mechanism in the middle on the surface of the steel plate;

step S6: when the steel plate flows through the middle polishing mechanism, the first hydraulic cylinder and the second hydraulic cylinder are respectively controlled to extend or retract, in the process, the buffer plate can be in contact with the steel plate before the first polishing disc and the second polishing disc, and the buffer plate can stretch in the first telescopic groove through the buffer spring, so that the first polishing disc and the second polishing disc on the upper surface and the lower surface of the steel plate can be in horizontal contact with the surface of the steel plate to ensure the polishing effect while the stability of the buffer plate for clamping and fixing the steel plate is ensured;

step S7: the second motor is its output shaft exportable torsion of in-process at work, utilize the linkage effect between first bevel gear and the second bevel gear with the torsion effect on first threaded rod, utilize third bevel gear and fourth bevel gear with the torsion effect on the second threaded rod, receive under the combined action effect of torsion and screw thread interlock, drive first polishing dish and second polishing dish and carry out horizontal migration on the surface of steel sheet and polish, and first support frame accessible expansion plate carries out the lift action in the flexible inslot of second under the flexible action of second pneumatic cylinder, second support frame accessible telescopic link carries out the lift action in the flexible inslot of third, can guarantee the stability of first threaded rod and second threaded rod again when controlling the dynamics of polishing.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. in the invention, the steel plate is heated under the action of microwaves through the mutual matching of the designed structures of a first hydraulic cylinder, a second hydraulic cylinder, a first lifting seat, a second lifting seat, a buffer spring, a buffer plate, a descaling device, a movable sealing device, a microwave chamber, an air pump, a microwave generator, a first rotating shaft, a driving roller, a first motor and the like, the surface temperature of the steel plate rises, so that the grease on the surface of the steel plate is evaporated, the rest attachments can be separated due to drying, and the air pump is used for drainage, therefore, the grease on the surface of the steel plate and other attachments can be effectively removed, the precision of subsequent grinding processing is ensured, and in the grinding process, the surface of the steel plate is clamped and fixed, so that the stability of the steel plate is effectively ensured, and the problem of poor polishing effect caused by deformation of the steel plate due to uneven stress in the polishing process is solved; in addition, the opposite surfaces of the buffer plates are arc-shaped end surfaces, gaps are reserved between the arc-shaped end surfaces, the steel plates can smoothly enter the buffer plates and can be conveyed between the two buffer plates, and the conveying efficiency is prevented from being influenced by too large friction resistance when the clamping is stable.

2. According to the microwave oven, the first motor is controlled to operate through the designed first side plate seat, the first bearing, the first rotating shaft, the driving roller and the first motor, the output shaft of the first motor can transmit torsion to the driving roller through the connected first rotating shaft in the working process, the driving roller can be driven to stably rotate in the first bearing through the first rotating shaft, and the steel plate can be driven to transmit towards the direction of the microwave chamber through the friction force between the driving roller and the steel plate.

3. According to the invention, through the designed microwave chamber, the air pump and the microwave generator, the operation of the air pump and the microwave generator is controlled in the process that the steel plate is driven by the driving roller to carry out transmission work, the microwave generator can release microwaves into the microwave chamber in the operation process, air in the microwave chamber can be pumped through the pumping pipe in the working process of the air pump, the steel plate can be heated under the action of the microwaves, the surface temperature of the steel plate is increased, grease on the surface of the steel plate is evaporated, other attachments can be separated due to drying, and the drainage function of the air pump is assisted, so that the grease on the surface of the steel plate and other attachments can be effectively removed, and the precision of subsequent polishing processing is ensured.

4. According to the invention, through the designed movable sealing device, the sealing plate is in an opened state in the process that the steel plate flows through the through hole, and the sealing plate can be attached to the surface of the steel plate under the action of the first torsion spring, so that grease on the surface of the steel plate can be effectively smoothed, the grease can be more uniformly distributed on the surface of the steel plate, and the effect of microwave grease evaporation is improved.

5. According to the descaling device, after the steel plate is heated by microwaves, the descaling plate is tightly attached to the surface of the steel plate under the action of the elastic force of the second torsion spring, so that impurities on the surface of the steel plate after being dried can be removed, and the effect of removing the impurities by using air flow of the air pump is ensured.

6. According to the invention, through the designed first transmission device and the second transmission device, the first transmission device and the second transmission device are used for bearing the steel plate and supporting the steel plate, so that the steel plate can be always kept in a stable state in the transmission process, and particularly, the steel plate is in a horizontal state when flowing through the second lifting seat and the first lifting seat, so that the polishing effect of the first polishing disc and the second polishing disc on the surface of the steel plate is ensured.

7. In the invention, through the designed first hydraulic cylinder, the second hydraulic cylinder, the first lifting seat, the second lifting seat, the buffer spring and the buffer plate, when the steel plate flows through the first lifting seat and the second lifting seat, the first hydraulic cylinder and the second hydraulic cylinder are respectively controlled to do stretching or retracting actions, in the process, the buffer plate can be contacted with the steel plate before the first polishing disc and the second polishing disc, and because the buffer plate can perform the telescopic action in the first telescopic slot through the buffer spring, the stability of clamping and fixing the steel plate by the buffer plate can be ensured, it is also possible to make the first grinding disc and the second grinding disc in contact with the surface of the steel plate, by which during grinding, the surface of the steel plate is clamped and fixed, so that the stability of the steel plate is effectively ensured, and the problem of poor polishing effect caused by deformation of the steel plate due to uneven stress in the polishing process is solved; in addition, the first hydraulic cylinder and the second hydraulic cylinder are controlled to lift, so that coarse adjustment and fine adjustment can be realized, the supporting height of the lifting seat and the buffer plate can be adjusted, and the polishing force of the upper surface and the lower surface of the steel plate can be accurately controlled.

8. In the invention, through the designed first threaded rod, the second threaded rod, the first threaded cylinder, the second threaded cylinder, the first bevel gear, the second bevel gear, the third bevel gear, the fourth bevel gear, the second telescopic slot, the third telescopic slot and the second motor, the output shaft of the second motor can output torsion in the working process, the torsion is acted on the first threaded rod by utilizing the linkage effect between the first bevel gear and the second bevel gear, the torsion is acted on the second threaded rod by utilizing the third bevel gear and the fourth bevel gear, under the combined action effect of the torsion and the thread biting force, the first polishing disk and the second polishing disk can be driven to carry out sliding polishing work on the surface of a steel plate, the first supporting frame can carry out lifting motion in the second telescopic slot through the telescopic plate, the second supporting frame can act in the third telescopic slot through the telescopic rod, so that the stability of the first threaded rod and the second threaded rod can be ensured, and the corresponding synchronous operation can be carried out along with the expansion and contraction operation of the second hydraulic cylinder.

Drawings

FIG. 1 is a schematic perspective view of a surface pretreatment apparatus for a galvanized steel sheet according to the present invention;

FIG. 2 is an enlarged schematic structural view of the position A in the surface pretreatment equipment for the galvanized steel sheet according to the present invention;

FIG. 3 is an enlarged schematic structural view of a position C in the surface pretreatment apparatus for a galvanized steel sheet according to the present invention;

FIG. 4 is an enlarged schematic structural view of a portion B of the surface pretreatment apparatus for a galvanized steel sheet according to the present invention;

FIG. 5 is a schematic perspective view of a microwave chamber of the surface pretreatment apparatus for a galvanized steel sheet according to the present invention;

FIG. 6 is a schematic perspective view of a sealing plate of the surface pretreatment apparatus for a galvanized steel sheet according to the present invention;

FIG. 7 is a schematic perspective view of a second support frame in the surface pretreatment apparatus for galvanized steel sheets according to the present invention;

FIG. 8 is a schematic perspective view of an eighth rotating shaft and a telescopic rod in the surface pretreatment equipment for galvanized steel sheets according to the present invention;

FIG. 9 is a sectional view of an eighth rotating shaft and an expansion link according to another embodiment of the surface pretreatment apparatus for a galvanized steel sheet according to the present invention;

FIG. 10 is a schematic perspective view of a first lifting seat of the surface pretreatment apparatus for galvanized steel sheets according to the present invention;

FIG. 11 is a schematic perspective view of a descaling apparatus for a surface pretreatment apparatus of a galvanized steel sheet according to the present invention.

Illustration of the drawings:

1. a base; 2. a first side plate seat; 3. a first bearing; 4. a first rotating shaft; 5. a drive roller; 6. a first motor; 7. a microwave chamber; 8. perforating; 9. a movable sealing device; 91. a sealing plate; 92. a second rotating shaft; 93. a first torsion spring; 94. a second side plate seat; 10. a descaling device; 101. a descaling plate; 102. a third rotating shaft; 103. a second torsion spring; 104. a third bearing; 105. a third panel holder; 11. a microwave generator; 12. drawing a pipe; 13. an air pump; 14. connecting a pipeline externally; 15. a first transmission device; 16. a first lifting seat; 17. a first hydraulic cylinder; 18. a second lifting seat; 19. a second hydraulic cylinder; 20. a first telescopic slot; 21. a buffer plate; 22. a buffer spring; 23. a sliding groove; 24. a sliding seat; 25. a first abrasive disc; 26. a second sanding disc; 27. a first threaded barrel; 28. a first threaded rod; 29. a second threaded barrel; 30. a second threaded rod; 31. a fourth rotating shaft; 32. a fourth bearing; 33. a second transmission device; 331. a fourth side panel seat; 332. a seventh bearing; 333. a seventh rotating shaft; 334. a driving roller; 34. a first bevel gear; 35. a second bevel gear; 36. a fifth rotating shaft; 37. a first support frame; 38. a retractable plate; 39. a second telescopic slot; 40. a second support frame; 41. a fifth bearing; 42. a second motor; 43. a telescopic rod; 44. a third telescopic slot; 45. an eighth rotating shaft; 46. a third bevel gear; 47. a fourth bevel gear; 48. a sixth rotating shaft; 49. a sixth bearing; 50. a connecting seat; 51. an eighth bearing; 52. a limiting column; 53. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-10, the present invention provides a technical solution: a galvanized steel sheet surface pretreatment device comprises a base 1, a first side plate seat 2 is fixedly connected to the top of the base 1, a first bearing 3 is clamped on the surface of the first side plate seat 2, a first rotating shaft 4 is sleeved in the first bearing 3, the end portion of the first rotating shaft 4 is fixedly connected with one end, close to a driving roller 5, of the driving roller 5, a microwave chamber 7 is arranged at the position, corresponding to the driving roller 5, of the top of the base 1, a microwave generator 11 is arranged on the microwave chamber 7, the top of the microwave chamber 7 is communicated with an input port of an air pump 13 through a pumping pipe 12, the bottom of a machine body of the air pump 13 is fixedly connected with the top of the microwave chamber 7 through a damping seat, an output port of the air pump 13 is communicated with one end, close to an external pipeline 14, a through hole 8 is formed in the end face of the side of the microwave chamber 7, corresponding to the driving roller 5, through the designed movable sealing device 9, the steel plate is in an opened state in the process of flowing through the through hole 8, the sealing plate 91 is attached to the surface of the steel plate under the action of the first torsion spring 93, grease on the surface of the steel plate can be effectively smoothed, the grease is more uniformly distributed on the surface of the steel plate, the effect of microwave grease evaporation is improved, a first transmission device 15 and a second transmission device 33 are sequentially arranged on one side, away from the driving roller 5, of the microwave chamber 7 from near to far, a first lifting seat 16 is arranged above the base 1, the first lifting seat 16 is positioned between the first transmission device 15 and the second transmission device 33, the bottom of the first lifting seat 16 is fixedly connected with the top of the base 1 through a first hydraulic cylinder 17, a second lifting seat 18 is arranged above the first lifting seat 16, the opposite surface of the second lifting seat 18 and the first lifting seat 16 is fixedly connected through a second hydraulic cylinder 19, the opposite surfaces of the first lifting seat 16 and the second lifting seat 18 are respectively provided with a first telescopic groove 20, through the designed first hydraulic cylinder 17, the second hydraulic cylinder 19, the first lifting seat 16, the second lifting seat 18, the buffer spring 22 and the buffer plate 21, when the steel plate flows through the first lifting seat 16 and the second lifting seat 18, the first hydraulic cylinder 17 and the second hydraulic cylinder 19 are respectively controlled to extend or retract, in the process, the buffer plate 21 can be contacted with the steel plate before the first polishing disc 25 and the second polishing disc 26, and because the buffer plate 21 can be telescopic in the first telescopic groove 20 through the buffer spring 22, the stability of the buffer plate 21 for clamping and fixing the steel plate can be ensured, meanwhile, the first polishing disc 25 and the second polishing disc 26 can be contacted with the surface of the steel plate, and the surface of the steel plate can be clamped and fixed in the polishing process, effectively guaranteed the stability of steel sheet, avoid the steel sheet to lead to polishing the poor problem of effect to appear because of the atress inequality takes place deformation at the in-process of being polished, buffer board 21 is equipped with to first flexible inslot 20 endotheca, buffer spring 22 and the inside fixed connection of first flexible groove 20 are passed through to the tip of buffer board 21, the groove 23 that slides has all been seted up on the surface of first lift seat 16 and second lift seat 18, sliding connection has the seat 24 that slides in the groove 23 that slides, and two sets of seat 24 that slide correspond first lift seat 16 and the second lift seat 18 the position difference fixedly connected with horizontal migration's first polishing dish 25 and second polishing dish 26.

Specifically, as shown in fig. 1, the number of the first side plate holders 2 is two, and the driving rollers 5 are located between the two first side plate holders 2, the number of the driving rollers 5 is two, and the end part of one first rotating shaft 4 is fixedly connected with the end part of the output shaft of the first motor 6, the surface of the body of the first motor 6 is fixedly connected with one surface of the first side plate seat 2 close to the first side plate seat through a shock absorption seat, the operation of the first motor 6 is controlled through the designed first side plate seat 2, the first bearing 3, the first rotating shaft 4, the driving roller 5 and the first motor 6, and during the working process of the first motor 6, the torsion is transmitted to the driving roller 5 through the first rotating shaft 4 connected with the output shaft, so that the driving roller 5 can be driven to stably rotate in the first bearing 3 through the first rotating shaft 4, and the steel plate can be driven to transmit towards the microwave chamber 7 by utilizing the friction force between the driving roller 5 and the steel plate.

Specifically, as shown in fig. 6, the number of the movable sealing devices 9 is two, each movable sealing device 9 includes a sealing plate 91, an end of the sealing plate 91 is fixedly connected to a second rotating shaft 92, a surface of the second rotating shaft 92 is sleeved with a second bearing, the second bearing is clamped to a surface of a second side plate seat 94, a top of the second side plate seat 94 is fixedly connected to a top of an inner side of the microwave chamber 7, a surface of the second rotating shaft 92 is sleeved with a first torsion spring 93, one end of the first torsion spring 93 is fixedly connected to a surface of the second side plate seat 94, the other end of the first torsion spring 93 is fixedly connected to a surface of the second rotating shaft 92, by designing the microwave chamber 7, the air pump 13 and the microwave generator 11 need to be controlled to operate during transmission work of the steel plate driven by the driving roller 5, the microwave generator 11 can release microwaves into the microwave chamber 7 during operation, and air pump 13 is at the in-process of work, and the accessible takes out the interior air of pipe 12 extraction microwave chamber 7, and the steel sheet receives the microwave effect can be heated, and its surface temperature risees, and consequently the grease on steel sheet surface is evaporated, and remaining part attachment can break away from because of the drying, is assisted with air pump 13 drainage effect, therefore alright effectively get rid of the grease on steel sheet surface and remaining part attachment, has guaranteed the precision of follow-up polishing processing.

Specifically, as shown in fig. 10, the descaling device 10 includes a descaling plate 101, the end of the descaling plate 101 is fixedly connected with a third rotating shaft 102, the surface of the third rotating shaft 102 is sleeved with a third bearing 104, the third bearing 104 is clamped on the surface of a third side plate seat 105, the top of the third side plate seat 105 is fixedly connected with the top of the inner side of the microwave chamber 7, the surface of the third rotating shaft 102 is sleeved with a second torsion spring 103, one end of the second torsion spring 103 is fixedly connected with the side close to the third side plate seat 105, the other end of the second torsion spring 103 is fixedly connected with the surface of the third rotating shaft 102, by the designed descaling device 10, after the steel plate is heated by microwave, the descaling plate 101 is tightly attached to the surface of the steel plate under the action of the elastic force of the second torsion spring 103, therefore, impurities on the surface of the steel plate after drying can be removed, and the effect of removing the impurities by the air pump 13 through air flow is ensured.

Specifically, as shown in fig. 1, the first transmission device 15 and the second transmission device 33 have the same structure, the second transmission device 33 includes a fourth side plate base 331, the bottom of the fourth side plate base 331 is fixedly connected to the top of the base 1, a seventh bearing 332 is clamped on the surface of the fourth side plate base 331, a seventh rotating shaft 333 is sleeved in the seventh bearing 332, an end of the seventh rotating shaft 333 is fixedly connected to one end of the transmission roller 334, the first transmission device 15 and the second transmission device 33 are designed to receive a steel plate, and support the steel plate, so that the steel plate can be kept in a stable state all the time in a transmission process, particularly in a horizontal state when flowing through the second lifting base 18 and the first lifting base 16, and a polishing effect of the first polishing disc 25 and the second polishing disc 26 on the surface of the steel plate is ensured.

Specifically, as shown in fig. 2, a first threaded cylinder 27 is engaged with an end surface of the first polishing disk 25, a first threaded rod 28 is connected to the first threaded cylinder 27 through an internal thread, a second threaded cylinder 29 is engaged with an end surface of the second polishing disk 26, and a second threaded rod 30 is connected to the second threaded cylinder 29 through an internal thread.

Specifically, as shown in fig. 2, an end of the first threaded rod 28 is fixedly connected with a fourth rotating shaft 31, a fourth bearing 32 is sleeved on a surface of the fourth rotating shaft 31, the fourth bearing 32 is clamped on a surface of the first supporting frame 37, an end of the second threaded rod 30 is fixedly connected with a sixth rotating shaft 48, a surface of the sixth rotating shaft 48 is sleeved with a sixth bearing 49, the sixth bearing 49 is clamped on a surface of the second supporting frame 40, a second telescopic groove 39 is formed in a top of the second supporting frame 40, a telescopic plate 38 is slidably connected in the second telescopic groove 39, a top of the telescopic plate 38 is fixedly connected with a bottom of the first supporting frame 37, a bottom of the second supporting frame 40 is fixedly connected with a top of a connecting seat 50, and the connecting seat 50 is horizontally fixed between the two first lifting seats 16, and is formed by designing the first threaded rod 28, the second threaded rod 30, the first threaded cylinder 27, the second threaded cylinder 29, the first bevel gear 34, The output shaft of the second motor 42 can output torsion in the working process, the torsion is acted on the first threaded rod 28 by using the linkage effect between the first bevel gear 34 and the second bevel gear 35, the torsion is acted on the second threaded rod 30 by using the third bevel gear 46 and the fourth bevel gear 47, under the combined action effect of the torsion and the thread engagement force, the first polishing disk 25 and the second polishing disk 26 can be driven to carry out sliding polishing work on the surface of a steel plate, the first support frame 37 can carry out lifting motion in the second telescopic slot 39 through the telescopic plate 38, the second support frame 40 can carry out motion in the third telescopic slot 44 through the telescopic rod 43, and the stability of the first threaded rod 28 and the second threaded rod 30 can be ensured, and the second hydraulic cylinder 19 can be synchronously operated in accordance with the expansion and contraction operation.

Specifically, as shown in fig. 3, a first bevel gear 34 is fixedly connected to an end of the fourth rotating shaft 31, a second bevel gear 35 is engaged with a surface of the first bevel gear 34, the second bevel gear 35 is fixedly connected to a surface of the fifth rotating shaft 36, a fifth bearing 41 is sleeved on a surface of the fifth rotating shaft 36, the fifth bearing 41 is clamped on a surface of the first support frame 37, a fourth bevel gear 47 is fixedly connected to an end of the sixth rotating shaft 48, a fifth bevel gear is engaged with a surface of the fourth bevel gear 47, the fifth bevel gear is fixedly connected to a surface of the eighth rotating shaft 45, an eighth bearing 51 is sleeved on a surface of the eighth rotating shaft 45, the eighth bearing 51 is clamped on a surface of the second support frame 40, a bottom end of the eighth rotating shaft 45 is fixedly connected to an end of an output shaft of the second motor 42, and a bottom of a body of the second motor 42 is fixedly connected to a top of the.

Specifically, as shown in fig. 3, a third telescopic groove 44 is formed at the top end of the eighth rotating shaft 45, a telescopic rod 43 is sleeved in the third telescopic groove 44, the third telescopic groove 44 and the telescopic rod 43 are relatively fixed in the horizontal direction without torsional displacement, and the top end of the telescopic rod 43 is fixedly connected with the bottom end of the fifth rotating shaft 36. In this embodiment, the inner wall of the third telescopic slot 44 is a rectangular slot, the corresponding telescopic rod 43 is also a cuboid, and the rectangular cross section of the telescopic rod 43 is matched with the rectangular slot of the third telescopic slot 44 in size. In other embodiments, a limiting column 52 is fixed on the inner wall of the third telescopic slot 44, a locking slot 53 matching with the limiting column 52 is formed on the outer wall of the telescopic rod 43 along the length direction, and the limiting column 52 is locked with the locking slot 53. Above-mentioned all can make between third flexible groove 44 and the telescopic link 43 in the horizontal direction relatively fixed not take place to twist reverse the displacement, and third flexible groove 44 only slides from top to bottom with telescopic link 43 in the direction of height to when guaranteeing that eighth pivot 45 rotates, can effectively be with twisting reverse power transmission to fifth pivot 36.

Specifically, the surface pretreatment process of the galvanized steel sheet comprises the following process flows:

step S1: the first motor 6 is controlled to operate, in the working process of the first motor 6, an output shaft of the first motor 6 can transmit torque force to the driving roller 5 through the connected first rotating shaft 4, so that the driving roller 5 can be driven to stably rotate in the first bearing 3 through the first rotating shaft 4, and the steel plate can be driven to transmit towards the microwave chamber 7 by utilizing the friction force between the driving roller 5 and the steel plate;

step S2: in the process that the steel plate flows through the through hole 8, the sealing plate 91 is in an opened state, and the sealing plate 91 can be attached to the surface of the steel plate under the action of the first torsion spring 93, so that grease on the surface of the steel plate can be effectively smoothed, the grease can be more uniformly distributed on the surface of the steel plate, and the effect of grease evaporation by subsequent microwaves is improved;

step S3: in the process of transmission work of the steel plate driven by the driving roller 5, the operation of the air pump 13 and the microwave generator 11 needs to be controlled, the microwave generator 11 can release microwaves into the microwave chamber 7 in the operation process, the air pump 13 can pump air in the microwave chamber 7 through the pumping pipe 12 in the working process, the steel plate can be heated under the action of the microwaves, the surface temperature of the steel plate is increased, grease on the surface of the steel plate is evaporated, other attachments can be separated due to drying, and the drainage function of the air pump 13 is assisted, so that the grease on the surface of the steel plate and other attachments can be effectively removed, and the precision of subsequent polishing processing is ensured;

step S4: after the steel plate is heated by microwave, the descaling plate 101 is tightly attached to the surface of the steel plate under the action of the elastic force of the second torsion spring 103, so that the impurities on the dried surface of the steel plate can be removed, and the effect of removing the impurities by using air flow of the air pump 13 is ensured;

step S5: the first transmission device 15 and the second transmission device 33 are used for bearing a steel plate and supporting the steel plate, so that the steel plate can be always kept in a stable state in the transmission process, and particularly is in a horizontal state when flowing through the second lifting seat 18 and the first lifting seat 16, and the polishing effect of the first polishing disc 25 and the second polishing disc 26 on the surface of the steel plate is ensured;

step S6: when the steel plate flows through the first lifting seat 16 and the second lifting seat 18, the first hydraulic cylinder 17 and the second hydraulic cylinder 19 are respectively controlled to extend or retract, in the process, the buffer plate 21 can be in contact with the steel plate before the first polishing disc 25 and the second polishing disc 26, and the buffer plate 21 can be in telescopic action in the first telescopic groove 20 through the buffer spring 22, so that the stability of clamping and fixing the steel plate by the buffer plate 21 can be ensured, meanwhile, the first polishing disc 25 and the second polishing disc 26 can be in contact with the surface of the steel plate, and in the polishing process, the surface of the steel plate is clamped and fixed, so that the stability of the steel plate is effectively ensured, and the problem that the polishing effect is poor due to deformation caused by uneven stress in the polishing process of the steel plate is solved;

step S7: the output shaft of the second motor 42 can output torque force during the operation, the torque force is acted on the first threaded rod 28 by the linkage effect between the first bevel gear 34 and the second bevel gear 35, the torque force is acted on the second threaded rod 30 by the third bevel gear 46 and the fourth bevel gear 47, under the combined action of the torque force and the thread meshing force, so that the first grinding disc 25 and the second grinding disc 26 can be driven to perform sliding grinding work on the surface of the steel plate, and the first support frame 37 can be lifted in the second telescopic groove 39 through the telescopic plate 38, and the second support frame 40 can be moved in the third telescopic groove 44 through the telescopic rod 43, so that the stability of the first threaded rod 28 and the second threaded rod 30 can be ensured, and corresponding synchronous movement can be carried out along with the telescopic movement of the second hydraulic cylinder 19, thereby controlling the polishing force on the surface of the steel plate.

The working principle is as follows: when the microwave oven is used, the first motor 6 is controlled to operate, an output shaft of the first motor 6 can transmit torsion to the driving roller 5 through the connected first rotating shaft 4 in the working process, the driving roller 5 can be driven to stably rotate in the first bearing 3 through the first rotating shaft 4, the steel plate can be driven to transmit towards the microwave chamber 7 by utilizing the friction force between the driving roller 5 and the steel plate, the air pump 13 and the microwave generator 11 need to be controlled to operate in the transmission working process of the steel plate under the driving of the driving roller 5, the microwave generator 11 can release microwaves into the microwave chamber 7 in the operating process, the air pump 13 can pump air in the microwave chamber 7 through the pumping pipe 12 in the working process, the steel plate can be heated under the action of microwaves, the surface temperature of the steel plate is increased, grease on the surface of the steel plate is evaporated, and other attachments can be separated due to drying, the air pump 13 is used for drainage, so that grease and other attachments on the surface of the steel plate can be effectively removed, the precision of subsequent polishing processing is ensured, the sealing plate 91 is in an opened state in the process that the steel plate flows through the through hole 8, the sealing plate 91 can be attached to the surface of the steel plate under the action of the first torsion spring 93, the grease on the surface of the steel plate can be effectively smoothed, the distribution of the grease on the surface of the steel plate can be more uniform, the effect of microwave grease evaporation is improved, after the steel plate is heated by microwaves, the descaling plate 101 is tightly attached to the surface of the steel plate under the action of the elastic force of the second torsion spring 103, so that impurities on the surface of the steel plate after being dried can be removed, the effect of removing the impurities by the air pump 13 through air flow is ensured, the first transmission device 15 and the second transmission device 33 are used for receiving the steel plate and playing a, the steel plate can be always kept in a stable state in the driven process, particularly in a horizontal state when the steel plate flows through the second lifting seat 18 and the first lifting seat 16, the polishing effect of the first polishing disk 25 and the second polishing disk 26 on the surface of the steel plate is ensured, when the steel plate flows through the first lifting seat 16 and the second lifting seat 18, the first hydraulic cylinder 17 and the second hydraulic cylinder 19 are respectively controlled to extend or retract, in the process, the buffer plate 21 can be in contact with the steel plate before the first polishing disk 25 and the second polishing disk 26, and the buffer plate 21 can be in telescopic action in the first telescopic groove 20 through the buffer spring 22, so that the stability of clamping and fixing the steel plate by the buffer plate 21 is ensured, meanwhile, the first polishing disk 25 and the second polishing disk 26 can be in contact with the surface of the steel plate, and the surface of the steel plate is clamped and fixed in the polishing process, the stability of the steel plate is effectively ensured, the problem that the polishing effect is poor due to the fact that the steel plate deforms due to uneven stress in the polishing process is solved, the output shaft of the second motor 42 can output torsion in the working process, the torsion acts on the first threaded rod 28 through the linkage effect between the first bevel gear 34 and the second bevel gear 35, the torsion acts on the second threaded rod 30 through the third bevel gear 46 and the fourth bevel gear 47, under the combined effect of the torsion and the thread engagement force, the first polishing disk 25 and the second polishing disk 26 can be driven to slide and polish on the surface of the steel plate, the first supporting frame 37 can lift in the second telescopic groove 39 through the telescopic plate 38, the second supporting frame 40 can move in the third telescopic groove 44 through the telescopic rod 43, and the stability of the first threaded rod 28 and the second threaded rod 30 can be ensured, and the corresponding synchronous action can be carried out along with the expansion and contraction action of the second hydraulic cylinder 19, thereby controlling the polishing force on the surface of the steel plate.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.