Device and method for eliminating surface rollover defect of hot-rolled bidirectional stainless steel plate

Abstract

The invention discloses a device and method for eliminating the surface rollover defect of a hot-rolled bidirectional stainless steel plate. The device comprises a polishing device, a cleaning device, a displacement device and a supporting device. The supporting device is arranged on the outer side of the supporting table, and the two displacement devices are slidably connected to the supporting device. The polishing device and the cleaning device are fixedly connected to the upper portions of the two displacement devices correspondingly. A steel billet is placed above the supporting table in the middle through the square billet hanging clamp, then the grinding device is driven by the displacement device to move along the supporting device, and therefore the side edges and the seamed edges of the steel billet are ground through the grinding device; and meanwhile, the other displacement device drives the cleaning device to move along with the polishing device, and residues attached to the surfaces of the steel billets during polishing are cleaned. While the edge of the steel billet is polished, the problem that heat dissipation at the edge of the steel billet is too fast can be solved.

Description

Technical Field

[0001] The invention belongs to the technical field of hot rolling of bidirectional stainless steel, and in particular relates to a device and a method for eliminating the surface rollover defect of a hot-rolled bidirectional stainless steel plate. Background Art

[0002] Duplex stainless steel has the advantages of both ferritic stainless steel and austenitic stainless steel. It is increasingly widely used for its high strength, excellent corrosion resistance and good welding performance. Before entering the heating furnace, the duplex stainless steel billet is usually ground to remove the oxide scale, slag inclusions, cracks and other defects on the billet surface, so as to reduce the probability of surface defects on the strip. However, the existing devices often ignore the cleaning of the billet edge, resulting in rough billet sides. After rough continuous rolling, the edges and ungrinded side metal of the billet will extend to the plate surface, forming rollover, resulting in rollover defects on the surface of the bidirectional stainless steel plate during the hot rolling process.

[0003] After searching, the prior art publication number CN117124249A is a medium-high pressure abrasive descaling device and process for the surface of a continuous casting and continuous rolling steel billet; the device uses an upper rough descaling nozzle group, an upper fine descaling nozzle group, a lower rough descaling nozzle group, and a lower fine descaling nozzle group to spray high-pressure water mixed with a certain proportion of abrasive particles to dephosphorize the steel billet, but the device can only completely clean the upper and lower surfaces of the steel billet, and it is difficult to take into account the side of the steel billet, so that oxide scale residues appear on the side of the steel billet, causing the steel billet to roll over after rough rolling; at the same time, after the high-pressure water contacts the steel billet, the temperature of the steel billet will drop significantly, wherein the edge of the steel billet is a two-way heat dissipation part, so under the action of high-pressure water descaling and natural cooling, the temperature of the edge of the steel billet is more different from that of other parts of the steel billet, resulting in the metal fluidity at the edge being lower than that of other parts of the steel billet, causing the metal elongation at the edge to be different from that of other parts of the plate surface, and under the influence of this elongation difference, the edge of the steel strip will eventually cause a rollover defect;

[0004] After searching, the prior art publication number is CN220498599U, which is a slab end face grinding machine. The device drives the pressing plate to fix the steel billet on the bottom plate through the electric telescopic rod on the U-shaped frame, and then the handle is shaken to control the threaded hole block through the threaded rod to drive the first motor to move, so that the grinding wheel steel billet fits the side of the steel billet, and the electric slide rail drives the first motor to move along the longitudinal edge of the steel billet, so that the grinding wheel grinds the longitudinal edge of the steel billet; after the grinding is completed, the handle is shaken in the opposite direction to control the grinding wheel to retreat, the electric telescopic rod drives the pressing plate to rise, and the second motor controls the bottom plate to drive the steel billet to rotate 90 degrees, and the above operation is repeated to grind the horizontal edge of the steel billet; but the steel billet after grinding has sharp edges and corners, so the steel billet heated in the heating furnace also has the problem that the edges of the steel billet cool down too quickly, causing the edge of the steel strip to roll over;

[0005] Therefore, a device and method for eliminating the rollover defect on the surface of hot-rolled bidirectional stainless steel plates is needed, which can solve the problem of excessive heat dissipation at the edges of the steel billets while grinding the edges of the steel billets. Summary of the invention

[0006] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a device and method for eliminating the surface rollover defect of hot-rolled bidirectional stainless steel plates. The side and edges of the steel billet are grinded by a grinding device, thereby changing the roughness depth and oxidation degree of the side of the steel billet and reducing the rollover width; at the same time, the heat transfer of the edge of the steel billet is changed, the ductility of the edge of the steel billet is improved, and the width of the rollover line on the rolled steel strip is reduced.

[0007] In order to achieve the above object, the technical solution adopted by the present invention is:

[0008] A method for eliminating the surface rollover defect of a hot-rolled bidirectional stainless steel plate comprises the following steps:

[0009] 1) Billet transportation: The door panel on one side of the protective box is opened by the electric push cylinder IV, and then the billet is transported into the protective box by the billet lifting clamp, and the billet is placed in the center above the support table;

[0010] 2) Adaptive adjustment: The adjustment mechanism in the support device controls the coordination of support frame I, support frame II and the sliding frame to adapt to the length and width of the billet; at the same time, the adjustment mechanism drives support frame I, support frame II and the sliding frame to rise and fall, thereby controlling the grinding device and cleaning device on the displacement device to align with the side of the billet;

[0011] 3) Side grinding: The displacement device drives the grinding device to move along the supporting device around the steel billet. At the same time, the grinding mechanism I in the grinding device controls the bimetallic band saw blade to cut the burrs or protruding tumors on the side of the steel billet. At the same time, the electric motor II controls the grinding roller I and the brush cylinder to rotate, so that the brush cylinder can clean the grinding roller I in the working state.

[0012] 4) Edge grinding: After the side grinding is completed, the grinding mechanism I is controlled to retract, and then the motor II cooperates with the gear on the outside of the connecting seat I to control the rotating seat to rotate 180 degrees, so that the grinding mechanism I and the grinding mechanism II are exchanged, and then the grinding mechanism II is controlled to fit the longitudinal edge of the billet, and at the same time, the displacement device is controlled to drive the grinding device to move back and forth along the longitudinal edge of the billet, so as to control the grinding mechanism II to grind the longitudinal edge of the billet into a rounded corner;

[0013] 5) Surface cleaning: After the grinding device completes grinding, the motor IV in the cleaning device cooperates with the threaded rod III to control the connecting frame II to approach the side of the billet along the guide shaft, and then the motor III cooperates with the lead screw II to control the two sets of brushing mechanisms to fit the upper and lower surfaces and sides of the billet, thereby cleaning the residue attached to the surface of the billet;

[0014] 6) Heating: After completing steps 1), 2), 3), 4), and 5), the billet is transported to a heating furnace for heating.

[0015] A device for eliminating the rollover defect on the surface of a hot-rolled bidirectional stainless steel plate, comprising a grinding device, a cleaning device, a displacement device, and a supporting device; the supporting device is arranged outside a supporting platform, and two groups of displacement devices are slidably connected to the supporting device; the grinding device and the cleaning device are respectively fixedly connected above the two groups of displacement devices; the billet is placed centrally above the supporting platform by a billet lifting clamp, and then the grinding device is driven by the displacement device to move along the supporting device, so that the grinding device grinds the side and edge of the billet; at the same time, another group of displacement devices drives the cleaning device to follow the grinding device The steel blank is moved to clean the residue attached to the surface of the steel blank during grinding; the grinding device comprises a rotating seat, a connecting seat Ⅰ, a connecting box Ⅰ, a grinding mechanism Ⅰ, a grinding mechanism Ⅱ, and a motor Ⅱ; a pair of connecting boxes Ⅰ are fixedly connected to the top of the rotating seat, and the bottom is rotatably connected to the connecting seat Ⅰ fixedly connected to the top of the displacement device; the motor Ⅱ is fixedly connected to one side of the rotating seat through the motor seat, and the gear on the output end of the motor Ⅱ is meshed with a plurality of gear teeth arranged on the outside of the connecting seat Ⅰ; the grinding mechanism Ⅰ is arranged at one end of a pair of connecting boxes Ⅰ; the grinding mechanism Ⅱ is arranged between a pair of connecting boxes Ⅰ.

[0016] The grinding mechanism I is provided with an electric push cylinder I, an electric motor I, a bimetallic band saw blade, an installation box I, a connection box II, a grinding roller I, a brush cylinder, a sprocket I, and an electric motor II; the connection box II is internally rotatably connected with the grinding roller I and the brush cylinder, the outer wall of the brush cylinder is provided with bristles and air holes, the rotating joint at the top of the brush cylinder is connected to the industrial and commercial vacuum cleaner through a connecting hose, the sprocket at the bottom of the grinding roller I is connected to the sprocket at the bottom of the brush cylinder through a chain, the top connecting shaft passes through the through hole on the connection box II and is fixedly connected to the output end of the electric motor II, and the electric motor II is fixed through the connecting seat Connected to the top of the connecting box II; the bimetallic band saw blade is rotatably connected to the mounting box I fixedly connected to one side of the connecting box II through a pair of supporting rollers, and the sprocket I is fixedly connected to one of the supporting rollers through the through hole on the mounting box I through a connecting shaft; the electric motor I is fixedly connected to the top of the mounting box I through a connecting seat, and the sprocket on the output end of the electric motor I is connected to the sprocket I through a chain; a plurality of electric push cylinders I are provided, and the cylinder bodies of the electric push cylinders I are respectively fixedly connected to a pair of connecting boxes I, and the protruding ends are respectively fixedly connected to the mounting box I and the connecting box II.

[0017] The grinding mechanism II is provided with a connecting frame I, an electric motor III, a lead screw I, a threaded rod I, a threaded rod II, a motor I, a connecting seat II, a grinding roller II, and an electric motor IV; the threaded rod I and the threaded rod II are respectively rotatably connected in a pair of slide grooves on a connecting box I, a pair of sprockets at one end of the threaded rod II are respectively connected with the sprocket on the threaded rod I and the sprocket at the output end of the motor I through a chain, and the motor I is fixedly connected to one side of the connecting box I through a motor seat; the wing plates on both sides of the connecting frame I are threadedly connected with the threaded rod I and the threaded rod II, the lead screw I with opposite threads at both ends is rotatably connected to one side of the slide groove on the connecting frame I, and a guide shaft is provided on the other side of the slide groove on the connecting frame I; the electric motor III is connected to the connecting frame I through a guide shaft; It is fixedly connected to the top of the connecting frame I through a connecting seat, and the output end of the electric motor III passes through the through hole on the connecting frame I and is fixedly connected to the lead screw I; a pair of connecting seats II slidably connected to the connecting frame I are respectively threadedly connected to the two ends of the lead screw I, and the guide shaft on the connecting frame I is slidably connected to the connecting seat II; a number of arc grooves with different diameters are provided on the grinding roller II, and the grinding roller II is rotatably connected to one end of the connecting seat II through the connecting shaft, and the electric motor IV is fixedly connected to the other end of the connecting seat II through the connecting seat, and the connecting shaft on the grinding roller II passes through the through hole on the connecting seat II and is fixedly connected to the bevel gear, and the output end of the electric motor IV passes through the through groove on the connecting seat II and meshes with the bevel gear on the grinding roller II through the bevel gear.

[0018] The cleaning device comprises a connecting frame II, a motor III, a lead screw II, a motor IV, a threaded rod III, a brushing mechanism, and a guide shaft; the guide shaft is fixedly connected to one side of the displacement device through a connecting plate; the motor IV is fixedly connected to the displacement device through a connecting seat, the threaded rod III is rotatably connected to the connecting plate fixedly connected to the other side of the displacement device, and the output end of the motor IV is fixedly connected to one end of the threaded rod III; one side of the connecting frame II is slidably connected to the guide shaft, and the other side is threadedly connected to the threaded rod III, and the lead screw II with opposite thread directions at both ends is rotatably connected to one side of the slide groove on the connecting frame II, and the guide shaft is fixedly connected to the other side of the slide groove on the connecting frame II; the motor III is fixedly connected to the top of the connecting frame II through a motor seat, and the output end of the motor III passes through the through hole on the connecting frame II and is fixedly connected to the lead screw II; the brushing mechanism is provided with a pair, which are symmetrically arranged at both ends of the connecting frame II;

[0019] The brush sweeping mechanism is provided with a connecting box III, a brush belt, an electric motor V, a sliding box I, a connecting plate, a connecting port, an electric push cylinder II, and a roller brush; the connecting block on one side of the connecting box III is threadedly connected to the screw II, and the connecting block on the other side is slidably connected to the guide shaft on the connecting frame II, and the brush belt is rotatably connected to the inner side of the connecting box III through a number of supporting rollers; the electric motor V is fixedly connected to one end of the connecting box III through a connecting seat, and the output end of the electric motor V is fixedly connected to a supporting roller on the inner side of the brush belt through a through hole on the connecting box III; the sliding box I is slidably connected to one side of the connecting box III, and the connecting plate at one end fixedly connected to the sliding box I is slidably connected to the other side of the connecting box III, and the inner side of the sliding box I is rotatably connected with a roller brush, and the connecting port at the bottom is connected to the industrial vacuum cleaner through a connecting hose; the cylinder body of the electric push cylinder II is fixedly connected to the connecting box III, and the protruding end is fixedly connected to the sliding box I.

[0020] The displacement device includes an installation box II, a motor V, a roller I, a roller II, and a rotating rod; the motor V is fixedly connected to the bottom of the installation box II through a motor seat, and the output end of the motor V is fixedly connected to three sprockets through a through hole on the installation box II; the rotating rod is rotatably connected to one side of the installation box II, and a sprocket is provided at the bottom of the rotating rod, and two sprockets are provided at the top; the rollers I and II are each provided with a pair, which are symmetrically rotatably connected above and below the installation box II, and the sprocket on the roller I and the sprocket at the bottom of the rotating rod are connected to the sprocket on the output end of the motor V through a chain, and the sprocket on the roller II is connected to the sprocket at the top of the rotating rod through a chain; the connecting seat I is fixedly connected to the top of the installation box II; the guide shaft is fixedly connected to one side of the installation box II through a connecting plate, the motor IV is fixedly connected to the installation box II through the connecting seat, and the threaded rod III is rotatably connected to the connecting plate fixedly connected to the other side of the installation box II.

[0021] The supporting device includes a supporting frame I, a supporting frame II, a sliding frame, and an adjusting mechanism; the supporting frame I and the supporting frame II are each provided with a pair, and a pair of supporting frames I are symmetrically arranged on both sides of the supporting platform, and a pair of supporting frames II are symmetrically arranged at both ends of the supporting platform; there are a plurality of sliding frames, and one end of the sliding frame is slidably connected to the supporting frame I, and the other end is connected to the supporting frame II; there are a plurality of adjusting mechanisms, and the adjusting mechanisms are fixedly connected to the outer sides of the supporting frames I and II.

[0022] The adjustment mechanism is provided with a sleeve, an electric push cylinder III, a telescopic column, a sliding box II, a threaded rod IV, and a motor VI; the top of the telescopic column is slidably connected to a sliding box II whose one end is fixedly connected to the outer side of a support frame I or a support frame II, and the bottom of the telescopic column is slidably connected to the sleeve; the cylinder body of the electric push cylinder III is fixedly connected to the sleeve, and the extended end is fixedly connected to the telescopic column; the threaded rod IV is threadedly connected to the top of the telescopic column, one end of the threaded rod IV is rotatably connected to the sliding box II, and the other end passes through the through hole on the sliding box II and is fixedly connected to the output end of the motor VI, and the motor VI is fixedly connected to the other end of the sliding box II through a connecting seat; one end of the sliding box II is slidably connected to the protective box, and the cylinder bodies of a pair of electric push cylinders IV are symmetrically rotatably connected to the two sides of the protective box, and the extended ends are respectively rotatably connected to the door panels rotatably connected to the two sides of the protective box.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] 1) The grinding mechanism Ⅰ in the grinding device controls the installation box Ⅰ and the connection box Ⅱ through the electric push cylinder Ⅰ to drive the bimetallic band saw blade and the grinding roller Ⅰ to fit the side wall of the billet. Then the electric motor Ⅰ controls the bimetallic band saw blade to cut the burrs or protruding tumors on the side of the billet to prevent the protruding tumors from accelerating the wear of the grinding roller Ⅰ, resulting in uneven surface of the grinding roller Ⅰ, affecting the cleaning effect of the grinding roller Ⅰ on the side of the billet; at the same time, the electric motor Ⅱ controls the rotation of the grinding roller Ⅰ and the brush cylinder. While the grinding roller Ⅰ is grinding the side of the billet, the brush cylinder rotates to clean the residue attached to the surface of the grinding roller Ⅰ, preventing the residue from accumulating and affecting the grinding efficiency of the grinding roller Ⅰ on the side of the billet; at the same time, the industrial vacuum cleaner is turned on to draw the dust generated during grinding into the industrial vacuum cleaner through the air holes on the brush cylinder; then the displacement device drives the grinding device to move around the billet along the supporting device, so that the grinding mechanism Ⅰ grinds all sides of the billet, changes the roughness depth and oxidation degree of the side of the billet, and thus reduces the rollover width;

[0025] 2) After the side grinding is completed, the grinding mechanism I is controlled to retract, and then the motor II cooperates with the gear on the outside of the connecting seat I to control the rotating seat to rotate 180 degrees. Then the electric motor III in the grinding mechanism II cooperates with the lead screw I to drive the connecting seat II to move to the two ends of the connecting frame I, so as to control the groove on the grinding roller II to align with the longitudinal edge of the billet. Then the motor I cooperates with the threaded rod I and the threaded rod II to control the connecting frame I to approach the billet along the slide groove on the connecting box I, so that the groove with the smallest diameter on the grinding roller II fits the longitudinal edge of the billet. Then the electric motor IV controls the grinding roller II to rotate to grind the edge of the billet; then the motor Ⅰ cooperates with threaded rod Ⅰ and threaded rod Ⅱ to control the connection frame Ⅰ to retreat, and the electric motor Ⅲ cooperates with the lead screw Ⅰ to drive the connection seat Ⅱ to approach each other, so that the grooves on the grinding roller Ⅱ grind the longitudinal edges of the steel billet in order from small to large, so that the longitudinal edges of the steel billet become rounded; at the same time, the displacement device drives the grinding device to move back and forth along the longitudinal edge of the steel billet, thereby controlling the grinding mechanism Ⅱ to grind the longitudinal edges of the steel billet into rounded corners, thereby changing the heat transfer of the edge of the steel billet, improving the ductility of the edge of the steel billet, reducing the width of the rollover line on the rolled steel strip, thereby reducing the amount of trimming during trimming, improving the yield rate of steel strip production, and reducing production costs;

[0026] 3) After the grinding device completes the grinding, the motor IV in the cleaning device cooperates with the threaded rod III to control the connecting frame II to approach the side of the billet along the guide shaft, and then the motor III cooperates with the lead screw II to control the two sets of brushing mechanisms to fit the upper and lower surfaces and the side of the billet. At the same time, the displacement device drives the cleaning device to move around the billet along the supporting device, thereby cleaning the residue attached to the surface of the billet to prevent the residue attached to the surface of the billet from adhering to the surface of the billet due to high temperature after the billet enters the heating furnace, resulting in a decrease in the rolling quality of the billet;

[0027] 4) The adjusting mechanism in the supporting device controls the telescopic column through the electric push cylinder III to drive the sliding box II to rise or fall along the sleeve, so that the support frame I and the support frame II control the grinding device and the cleaning device on the displacement device to be aligned with the side of the billet, which is convenient for the grinding device and the cleaning device to process the side of the billet; at the same time, the motor VI cooperates with the threaded rod IV to control the sliding box II to slide on the top of the telescopic column, so that the support frame I, the support frame II and the sliding frame cooperate to expand outward or shrink inward according to the length and width of the billet, so as to prevent the grinding device and the cleaning device on the displacement device from being unable to contact the side of the billet or the distance between the displacement device and the billet is too small, resulting in collision between the grinding device and the cleaning device and the billet. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Attached Figure 1 It is a schematic structural diagram of a device and method for eliminating the surface rollover defect of a hot-rolled bidirectional stainless steel plate according to the present invention;

[0029] Attached Figure 2 Yes Figure 1A schematic diagram of the structure of the middle support device;

[0030] Attached Figure 3 Yes Figure 1 Schematic diagram of the structure of the mid-displacement device;

[0031] Attached Figure 4 Yes Figure 1 Schematic diagram of the connection structure between the intermediate displacement device and the grinding device;

[0032] Attached Figure 5 Yes Figure 1 A schematic diagram of the connection structure between the intermediate displacement device and the cleaning device;

[0033] Attached Figure 6 Yes Figure 1 Schematic diagram of the connection structure between the middle displacement device, the rotating seat and the connecting seat I;

[0034] Attached Figure 7 Yes Figure 1 Structural diagram of the middle grinding mechanism Ⅰ;

[0035] Attached Figure 8 Yes Figure 1 Schematic diagram of the structure of the middle grinding mechanism II;

[0036] Attached Fig. 9 Yes Figure 1 Schematic diagram of the connection structure of the middle connecting seat II, grinding roller II, and electric motor IV;

[0037] Attached Fig.10 Yes Figure 1 The structural diagram of the middle brush sweeping mechanism;

[0038] Attached Fig.11 Yes Figure 7 A schematic diagram of the enlarged structure of part A;

[0039] Attached Fig.12 Yes Figure 7 A schematic diagram of the enlarged structure of part B;

[0040] Attached Fig.13 It is a schematic diagram of the structure of the protection box;

[0041] In the figure: 1. grinding device; 101. rotating seat; 102. connecting seat Ⅰ; 103. connecting box Ⅰ; 104. grinding mechanism Ⅰ; 1041. electric push cylinder Ⅰ; 1042. electric motor Ⅰ; 1043. bimetallic band saw blade; 1044. mounting box Ⅰ; 1045. connecting box Ⅱ; 1046. grinding roller Ⅰ; 1047. brush cylinder; 1048. sprocket Ⅰ; 1049. electric motor Ⅱ; 105 , grinding mechanism II; 1051, connecting frame I; 1052, electric motor III; 1053, screw I; 1054, threaded rod I; 1055, threaded rod II; 1056, motor I; 1057, connecting seat II; 1058, grinding roller II; 1059, electric motor IV; 106, motor II; 2, cleaning device; 201, connecting frame II; 202, motor III; 2021, screw II; 20 3. Motor IV; 2031. Threaded rod III; 204. Brushing mechanism; 2041. Connecting box III; 2042. Brush belt; 2043. Electric motor V; 2044. Sliding box I; 2045. Connecting plate; 2046. Connecting port; 2047. Electric push cylinder II; 2048. Roller brush; 205. Guide shaft; 3. Displacement device; 301. Mounting box II; 302. Motor V; 303. Roller I; 304, roller II; 305, rotating rod; 4, supporting device; 401, supporting frame I; 402, supporting frame II; 403, sliding frame; 404, adjusting mechanism; 4041, sleeve; 4042, electric push cylinder III; 4043, telescopic column; 4044, sliding box II; 4045, threaded rod IV; 4046, motor VI; 5, supporting table; 6, steel billet; 7, protective box; 701, electric push cylinder IV. DETAILED DESCRIPTION

[0042] To facilitate the understanding of those skilled in the art, Figure 1-13 , the technical solution of the present invention is further specifically described.

[0043] A method for eliminating the surface rollover defect of a hot-rolled bidirectional stainless steel plate comprises the following steps:

[0044] 1) Billet transportation: The door panel on one side of the protection box 7 is controlled to open by the electric push cylinder IV 701, and then the billet 6 is transported into the protection box 7 by the billet lifting clamp, and the billet 6 is placed in the center above the support platform 5;

[0045] 2) Adaptive adjustment: the adjustment mechanism 404 in the support device 4 controls the support frame I 401, the support frame II 402 and the sliding frame 403 to adapt to the length and width of the steel billet 6; at the same time, the adjustment mechanism 404 drives the support frame I 401, the support frame II 402 and the sliding frame 403 to rise and fall, thereby controlling the grinding device 1 and the cleaning device 2 on the displacement device 3 to align with the side of the steel billet 6;

[0046] 3) Side grinding: the displacement device 3 drives the grinding device 1 to move along the support device 4 around the steel billet 6, and at the same time, the grinding mechanism Ⅰ104 in the grinding device 1 controls the bimetallic band saw blade 1043 to cut the burrs or protruding tumors on the side of the steel billet 6, and at the same time, the electric motor Ⅱ1049 controls the grinding roller Ⅰ1046 and the brush cylinder 1047 to rotate, so that the brush cylinder 1047 can clean the grinding roller Ⅰ1046 in the working state;

[0047] 4) Edge grinding: After the side grinding is completed, the grinding mechanism I 104 is controlled to be retracted, and then the motor II 106 cooperates with the gear on the outside of the connecting seat I 102 to control the rotating seat 101 to rotate 180 degrees, so that the grinding mechanism I 104 and the grinding mechanism II 105 exchange positions, and then the grinding mechanism II 105 is controlled to fit the longitudinal edge of the steel billet 6, and at the same time, the displacement device 3 is controlled to drive the grinding device 1 to move back and forth along the longitudinal edge of the steel billet 6, so as to control the grinding mechanism II 105 to grind the longitudinal edge of the steel billet 6 into a rounded corner;

[0048] 5) Surface cleaning: After the grinding device 1 completes grinding, the motor IV 203 in the cleaning device 2 cooperates with the threaded rod III 2031 to control the connecting frame II 201 to approach the side of the steel billet 6 along the guide shaft 205, and then the motor III 202 cooperates with the lead screw II 2021 to control the two sets of brushing mechanisms 204 to fit the upper and lower surfaces and the side of the steel billet 6, thereby cleaning the residue attached to the surface of the steel billet 6;

[0049] 6) Heating: After completing steps 1), 2), 3), 4), and 5), the steel billet 6 is transported to a heating furnace for heating.

[0050] A device for eliminating the rollover defect on the surface of a hot-rolled bidirectional stainless steel plate, comprising a grinding device 1, a cleaning device 2, a displacement device 3, and a support device 4; the support device 4 is arranged outside a support platform 5, and two groups of displacement devices 3 are slidably connected to the support device 4; the grinding device 1 and the cleaning device 2 are respectively fixedly connected above the two groups of displacement devices 3; a billet 6 is centrally placed above the support platform 5 by a billet lifting clamp, and then the grinding device 1 is driven by the displacement device 3 to move along the support device 4, so that the grinding device 1 grinds the side and edge of the billet 6; at the same time, another group of displacement devices 3 is driven ... The device 3 drives the cleaning device 2 to move with the grinding device 1 to clean the residue attached to the surface of the steel billet 6 during grinding; the grinding device 1 includes a rotating seat 101, a connecting seat Ⅰ102, a connecting box Ⅰ103, a grinding mechanism Ⅰ104, a grinding mechanism Ⅱ105, and a motor Ⅱ106; a pair of connecting boxes Ⅰ103 are fixedly connected to the top of the rotating seat 101, and the bottom is rotatably connected to the connecting seat Ⅰ102 fixedly connected to the top of the displacement device 3; the motor Ⅱ106 is fixedly connected to one side of the rotating seat 101 through the motor seat, and the gear on the output end of the motor Ⅱ106 The grinding mechanism Ⅰ104 is meshed with a plurality of gear teeth arranged on the outside of the connecting seat Ⅰ102; the grinding mechanism Ⅰ104 is arranged at one end of a pair of connecting boxes Ⅰ103; the grinding mechanism Ⅱ105 is arranged between a pair of connecting boxes Ⅰ103; the grinding mechanism Ⅰ104 is controlled to fit the side of the steel billet 6 and grind it; then the displacement device 3 is controlled to drive the grinding device 1 to move along the supporting device 4 around the steel billet 6, so that the grinding mechanism Ⅰ104 grinds all the sides of the steel billet 6, changes the roughness depth and oxidation degree of the side of the steel billet 6, and thus reduces the rollover width; after completing the side grinding, the grinding mechanism Ⅰ104 is controlled to grind the side of the steel billet 6. 104 is retracted, and then the motor II 106 cooperates with the gear teeth on the outside of the connecting seat I 102 to control the rotating seat 101 to rotate 180 degrees, and then controls the grinding mechanism II 105 to fit the longitudinal edge of the steel billet 6, and at the same time controls the displacement device 3 to drive the grinding device 1 to move back and forth along the longitudinal edge of the steel billet 6, thereby controlling the grinding mechanism II 105 to grind the longitudinal edge of the steel billet 6 into a rounded corner, thereby changing the heat transfer of the edge of the steel billet 6, improving the ductility of the edge of the steel billet 6, and reducing the width of the rollover line on the rolled steel strip, thereby reducing the amount of trimming during trimming, improving the yield rate of steel strip production, and reducing production costs.

[0051] The grinding mechanism I104 is provided with an electric push cylinder I1041, an electric motor I1042, a bimetallic band saw blade 1043, an installation box I1044, a connection box II1045, a grinding roller I1046, a brush cylinder 1047, a sprocket I1048, and an electric motor II1049; the connection box II1045 is internally rotatably connected with a grinding roller I1046 and a brush cylinder 1047, the outer wall of the brush cylinder 1047 is provided with bristles and air holes, the rotating joint at the top of the brush cylinder 1047 is connected to the industrial and commercial vacuum cleaner through a connecting hose, and the sprocket at the bottom of the grinding roller I1046 is connected to the sprocket at the bottom of the brush cylinder 1047 through a chain. The connecting shaft at the top passes through the through hole on the connecting box II 1045 and is fixedly connected to the output end of the electric motor II 1049, and the electric motor II 1049 is fixedly connected to the top of the connecting box II 1045 through a connecting seat; the bimetallic band saw blade 1043 is rotatably connected to the mounting box I 1044 fixedly connected to one side of the connecting box II 1045 through a pair of supporting rollers, and the sprocket I 1048 is fixedly connected to one of the supporting rollers through the through hole on the mounting box I 1044 through the connecting shaft; the electric motor I 1042 is fixedly connected to the top of the mounting box I 1044 through the connecting seat, and the output of .... The sprocket on the output end is connected to the sprocket Ⅰ1048 through a chain; the electric push cylinder Ⅰ1041 is provided with a plurality of cylinder bodies of the electric push cylinder Ⅰ1041, and the cylinder bodies are respectively fixedly connected in a pair of connecting boxes Ⅰ103, and the extended ends are respectively fixedly connected to the installation box Ⅰ1044 and the connecting box Ⅱ1045; the electric push cylinder Ⅰ1041 is extended, so that the installation box Ⅰ1044 and the connecting box Ⅱ1045 drive the bimetallic band saw blade 1043 and the grinding roller Ⅰ1046 to fit the side wall of the billet, and then the electric motor Ⅰ1042 controls the bimetallic band saw blade 1043 to cut the burrs or protruding tumors on the side of the billet 6 to prevent the protruding The tumor accelerates the wear of grinding roller Ⅰ1046, resulting in an uneven surface of grinding roller Ⅰ1046, which affects the cleaning effect of grinding roller Ⅰ1046 on the side of the billet 6; at the same time, electric motor Ⅱ1049 controls the rotation of grinding roller Ⅰ1046 and brush cylinder 1047. While grinding roller Ⅰ1046 is grinding the side of the billet 6, brush cylinder 1047 rotates to clean the residue attached to the surface of grinding roller Ⅰ1046 to prevent residue accumulation and affect the grinding efficiency of grinding roller Ⅰ1046 on the side of the billet 6; at the same time, turn on the industrial vacuum cleaner to draw the dust generated during grinding into the industrial vacuum cleaner through the air holes on the brush cylinder 1047.

[0052] The grinding mechanism II105 is provided with a connecting frame I1051, an electric motor III1052, a lead screw I1053, a threaded rod I1054, a threaded rod II1055, a motor I1056, a connecting seat II1057, a grinding roller II1058, and an electric motor IV1059; the threaded rod I1054 and the threaded rod II1055 are respectively rotatably connected in a pair of slide grooves on the connecting box I103, a pair of sprockets at one end of the threaded rod II1055 are respectively connected to the sprocket on the threaded rod I1054 and the sprocket at the output end of the motor I1056 through a chain, and the motor I1056 is fixedly connected to one side of the connecting box I103 through a motor seat; the wing plates on both sides of the connecting frame I1051 are connected to the threaded rod I1 054. The threaded rod II 1055 is threadedly connected, and the lead screw I 1053 with opposite thread directions at both ends is rotatably connected to one side of the slide groove on the connecting frame I 1051, and a guide shaft is provided on the other side of the slide groove on the connecting frame I 1051; the electric motor III 1052 is fixedly connected to the top of the connecting frame I 1051 through a connecting seat, and the output end of the electric motor III 1052 passes through the through hole on the connecting frame I 1051 and is fixedly connected to the lead screw I 1053; a pair of connecting seats II 1057 slidably connected to the connecting frame I 1051 are respectively threadedly connected to the two ends of the lead screw I 1053, and the guide shaft on the connecting frame I 1051 is slidably connected to the connecting seat II 1057; the grinding roller II 1058 is provided with a plurality of different diameters. The grinding roller Ⅱ1058 is rotatably connected to one end of the connecting seat Ⅱ1057 through a connecting shaft, and the electric motor Ⅳ1059 is fixedly connected to the other end of the connecting seat Ⅱ1057 through a connecting seat, and the connecting shaft on the grinding roller Ⅱ1058 passes through the through hole on the connecting seat Ⅱ1057 and is fixedly connected to the bevel gear, and the output end of the electric motor Ⅳ1059 passes through the through groove on the connecting seat Ⅱ1057 and meshes with the bevel gear on the grinding roller Ⅱ1058 through the bevel gear; the electric motor Ⅲ1052 cooperates with the lead screw Ⅰ1053 to drive the connecting seat Ⅱ1057 to move toward the two ends of the connecting frame Ⅰ1051, thereby controlling the groove on the grinding roller Ⅱ1058 to align with the longitudinal edge of the steel billet 6, and then the motor Ⅰ1056 and The threaded rod Ⅰ1054 and the threaded rod Ⅱ1055 cooperate to control the connecting frame Ⅰ1051 to approach the steel billet 6 along the slide groove on the connecting box Ⅰ103, so that the groove with the smallest diameter on the grinding roller Ⅱ1058 fits the longitudinal edge of the steel billet 6, and then the electric motor Ⅳ1059 controls the grinding roller Ⅱ1058 to rotate and grind the edge of the steel billet; then the motor Ⅰ1056 cooperates with the threaded rod Ⅰ1054 and the threaded rod Ⅱ1055 to control the connecting frame Ⅰ1051 to retreat, and the electric motor Ⅲ1052 cooperates with the lead screw Ⅰ1053 to drive the connecting seat Ⅱ1057 to approach each other, so that the grooves on the grinding roller Ⅱ1058 grind the longitudinal edges of the steel billet 6 from small to large in sequence, so that the longitudinal edges of the steel billet 6 become rounded.

[0053] The cleaning device 2 includes a connecting frame II 201, a motor III 202, a lead screw II 2021, a motor IV 203, a threaded rod III 2031, a brushing mechanism 204, and a guide shaft 205; the guide shaft 205 is fixedly connected to one side of the displacement device 3 through a connecting plate; the motor IV 203 is fixedly connected to the displacement device 3 through a connecting seat, the threaded rod III 2031 is rotatably connected to the connecting plate fixedly connected to the other side of the displacement device 3, and the output end of the motor IV 203 is fixedly connected to one end of the threaded rod III 2031; one side of the connecting frame II 201 is slidably connected to the guide shaft 205, and the other side is threadedly connected to the threaded rod III 2031, and the lead screw II 2021 with opposite threads at both ends is rotatably connected to one side of the slide groove on the connecting frame II 201, and the guide shaft is fixedly connected to the connecting frame II 201. On the other side of the slide; the motor III 202 is fixedly connected to the top of the connecting frame II 201 through the motor seat, and the output end of the motor III 202 passes through the through hole on the connecting frame II 201 and is fixedly connected to the lead screw II 2021; the brushing mechanism 204 is provided with a pair, which are symmetrically arranged at both ends of the connecting frame II 201; after the grinding device 1 completes the grinding, the motor IV 203 cooperates with the threaded rod III 2031 to control the connecting frame II 201 to approach the side of the billet 6 along the guide shaft 205, and then the motor III 202 cooperates with the lead screw II 2021 to control the two sets of brushing mechanisms 204 to fit the upper and lower surfaces and sides of the billet 6, so as to clean the residue attached to the surface of the billet 6 to prevent the residue attached to the surface of the billet 6 from adhering to the surface of the billet 6 due to high temperature after the billet 6 enters the heating furnace, resulting in a decrease in the rolling quality of the billet 6.

[0054] The brush sweeping mechanism 204 is provided with a connection box III 2041, a brush belt 2042, an electric motor V 2043, a sliding box I 2044, a connection plate 2045, a connection port 2046, an electric push cylinder II 2047, and a roller brush 2048; the connection block on one side of the connection box III 2041 is threadedly connected to the lead screw II 2021, and the connection block on the other side is slidably connected to the guide shaft on the connection frame II 201, and the brush belt 2042 is rotatably connected to the connection frame II 201 through a plurality of support rollers. The electric motor V2043 is fixedly connected to one end of the connection box III2041 through a connection seat, and the output end of the electric motor V2043 passes through the through hole on the connection box III2041 and is fixedly connected to a support roller on the inner side of the brush belt 2042; the sliding box I2044 is slidably connected to one side of the connection box III2041, and the connecting plate 2045 with one end fixedly connected to the sliding box I2044 is slidably connected to the other end of the connection box III2041. side, and the roller brush 2048 is rotatably connected to the inner side of the sliding box Ⅰ2044, and the connecting port 2046 at the bottom is connected to the industrial vacuum cleaner through a connecting hose; the cylinder body of the electric push cylinder Ⅱ2047 is fixedly connected to the connecting box Ⅲ2041, and the extended end is fixedly connected to the sliding box Ⅰ2044; the motor Ⅲ202 and the lead screw Ⅱ2021 cooperate to control the connecting box Ⅲ2041 to drive the brush belt 2042 to fit the upper and lower surfaces of the steel billet 6, and then the electric motor Ⅴ2043 controls The brush belt 2042 rotates to clean the residue attached to the upper and lower surfaces of the steel billet 6; at the same time, the electric push cylinder II 2047 drives the sliding box I 2044 and the connecting plate 2045 to slide along the connecting box III 2041, so that the roller brush 2048 cleans the residue on the side of the steel billet 6. At the same time, the industrial vacuum cleaner is turned on to draw the residue swept away by the brush belt 2042 and the roller brush 2048 into the industrial vacuum cleaner through the gap between the sliding box I 2044 and the roller brush 2048.

[0055] The displacement device 3 includes an installation box II 301, a motor V 302, a roller I 303, a roller II 304, and a rotating rod 305; the motor V 302 is fixedly connected to the bottom of the installation box II 301 through a motor seat, and the output end of the motor V 302 passes through a through hole on the installation box II 301 and is fixedly connected to three sprockets; the rotating rod 305 is rotatably connected to one side of the installation box II 301, and a sprocket is provided at the bottom of the rotating rod 305 and two sprockets are provided at the top; The rollers I 303 and II 304 are each provided with a pair, which are symmetrically connected to the top and bottom of the installation box II 301 for rotation, and the sprocket on the roller I 303 and the sprocket at the bottom of the rotating rod 305 are connected to the sprocket on the output end of the motor V 302 through a chain, and the sprocket on the roller II 304 is connected to the sprocket on the top of the rotating rod 305 through a chain; the connecting seat I 102 is fixedly connected to the top of the installation box II 301; the guide shaft 205 is fixedly connected to one side of the installation box II 301 through a connecting plate, the motor IV 203 is fixedly connected to the installation box II 301 through a connecting seat, and the threaded rod III 2031 is rotationally connected to the connecting plate fixedly connected to the other side of the installation box II 301; the motor V 302 controls the rotation of the rollers I 303 and II 304, thereby controlling the installation box II 301 to drive the grinding device 1 or the cleaning device 2 to move along the supporting device 4.

[0056] The supporting device 4 includes a supporting frame I 401, a supporting frame II 402, a sliding frame 403, and an adjusting mechanism 404; the supporting frame I 401 and the supporting frame II 402 are each provided with a pair, and a pair of supporting frames I 401 are symmetrically arranged on both sides of the supporting platform 5, and a pair of supporting frames II 402 are symmetrically arranged at both ends of the supporting platform 5; there are a plurality of sliding frames 403, and one end of the sliding frame 403 is slidably connected to the supporting frame I 401, and the other end is connected to the supporting frame II 402; there are a plurality of adjusting mechanisms 404, and the adjusting mechanisms 404 are fixedly connected to the outer sides of the supporting frames I 401 and the supporting frames II 402.

[0057] The adjusting mechanism 404 is provided with a sleeve 4041, an electric push cylinder III 4042, a telescopic column 4043, a sliding box II 4044, a threaded rod IV 4045, and a motor VI 4046; the top of the telescopic column 4043 is slidably connected to a sliding box II 4044 whose one end is fixedly connected to the outer side of the support frame I 401 or the support frame II 402, and the bottom of the telescopic column 4043 is slidably connected to the sleeve 4041; the cylinder body of the electric push cylinder III 4042 is fixedly connected to the sleeve 4041, The extended end is fixedly connected to the telescopic column 4043; the threaded rod IV4045 is threadedly connected to the top of the telescopic column 4043, one end of the threaded rod IV4045 is rotatably connected to the sliding box II4044, and the other end passes through the through hole on the sliding box II4044 and is fixedly connected to the output end of the motor VI4046, and the motor VI4046 is fixedly connected to the other end of the sliding box II4044 through the connecting seat; one end of the sliding box II4044 is slidably connected to the protective box 7, and a pair of electric push cylinders IV701 The cylinder body is symmetrically connected to the two sides of the protection box 7, and the extended ends are respectively connected to the door panels connected to the two sides of the protection box 7; the electric push cylinder III 4042 controls the telescopic column 4043 to drive the sliding box II 4044 to rise or fall along the sleeve 4041, so that the support frame I 401 and the support frame II 402 control the grinding device 1 and the cleaning device 2 on the displacement device 3 to align with the side of the billet 6, so that the grinding device 1 and the cleaning device 2 can process the side of the billet 6; at the same time, the motor VI 4046 cooperates with threaded rod IV 4045 to control sliding box II 4044 to slide on the top of telescopic column 4043, so that support frame I 401, support frame II 402 and sliding frame 403 cooperate to expand outward or shrink inward according to the length and width of steel billet 6, to prevent the grinding device 1 and cleaning device 2 on the displacement device 3 from being unable to contact the side of steel billet 6 or the distance between the displacement device 3 and steel billet 6 being too small, resulting in collision between the grinding device 1, cleaning device 2 and steel billet 6.

[0058] A device and method for eliminating the surface rollover defect of hot-rolled bidirectional stainless steel plate, the working process is as follows:

[0059] After the billet 6 is placed in the center above the support platform 5 by the billet lifting clamp, the adjusting mechanism 404 in the supporting device 4 controls the supporting frame I 401, the supporting frame II 402 and the sliding frame 403 to adapt to the length and width of the billet 6; at the same time, the adjusting mechanism 404 controls the supporting frame I 401, the supporting frame II 402 and the sliding frame 403 to lift and lower the grinding device 1 and the cleaning device 2 on the displacement device 3 to align with the side of the billet 6; then the displacement device 3 drives the grinding device 1 to move around the billet 6 along the supporting device 4, and at the same time, the grinding device 1 The grinding mechanism I104 grinds the side of the steel billet 6; after the side grinding is completed, the grinding mechanism I104 is controlled to be retracted, and then the motor II106 cooperates with the gear on the outside of the connecting seat I102 to control the rotating seat 101 to rotate 180 degrees, so that the grinding mechanism I104 and the grinding mechanism II105 exchange positions, and then the grinding mechanism II105 is controlled to fit the longitudinal edge of the steel billet 6, and at the same time the displacement device 3 is controlled to drive the grinding device 1 to reciprocate along the longitudinal edge of the steel billet 6, so as to control the grinding mechanism II105 to grind the longitudinal edge of the steel billet 6 into a rounded corner;

[0060] After the grinding device 1 completes grinding, the motor IV203 in the cleaning device 2 cooperates with the threaded rod III2031 to control the connecting frame II201 to move along the guide shaft 205 close to the side of the steel billet 6. Then the motor III202 cooperates with the lead screw II2021 to control the two sets of brushing mechanisms 204 to fit the upper and lower surfaces and sides of the steel billet 6. At the same time, the displacement device 3 drives the cleaning device 2 to move along the supporting device 4 around the steel billet 6, thereby cleaning the residue attached to the surface of the steel billet 6.

[0061] In summary, electronic or electrical components including but not limited to electric push cylinders, motors, electric motors, etc. are components in the prior art, obtained through private customization or purchase, and the electrical connections between the components are conventional circuit connections or electrical connections in the prior art and are not within the scope of protection of the present invention.

[0062] The above contents are merely examples and explanations of the structure of the present invention. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the invention or exceed the scope defined by the claims, they should all fall within the protection scope of the present invention.

Claims

1. A method for eliminating the surface rollover defect of hot-rolled bidirectional stainless steel plate, comprising the following steps: 1) Billet transportation: The door panel on one side of the protective box is opened by the electric push cylinder IV, and then the billet is transported into the protective box by the billet lifting clamp, and the billet is placed in the center above the support table; 2) Adaptive adjustment: The adjustment mechanism in the support device controls the coordination of support frame I, support frame II and the sliding frame to adapt to the length and width of the billet; at the same time, the adjustment mechanism drives support frame I, support frame II and the sliding frame to rise and fall, thereby controlling the grinding device and cleaning device on the displacement device to align with the side of the billet; 3) Side grinding: The displacement device drives the grinding device to move along the supporting device around the steel billet. At the same time, the grinding mechanism I in the grinding device controls the bimetallic band saw blade to cut the burrs or protruding tumors on the side of the steel billet. At the same time, the electric motor II controls the grinding roller I and the brush cylinder to rotate, so that the brush cylinder can clean the grinding roller I in the working state. 4) Edge grinding: After the side grinding is completed, the grinding mechanism I is controlled to retract, and then the motor II cooperates with the gear on the outside of the connecting seat I to control the rotating seat to rotate 180 degrees, so that the grinding mechanism I and the grinding mechanism II are exchanged, and then the grinding mechanism II is controlled to fit the longitudinal edge of the billet, and at the same time, the displacement device is controlled to drive the grinding device to move back and forth along the longitudinal edge of the billet, so as to control the grinding mechanism II to grind the longitudinal edge of the billet into a rounded corner; 5) Surface cleaning: After the grinding device completes grinding, the motor IV in the cleaning device cooperates with the threaded rod III to control the connecting frame II to approach the side of the billet along the guide shaft, and then the motor III cooperates with the lead screw II to control the two sets of brushing mechanisms to fit the upper and lower surfaces and sides of the billet, thereby cleaning the residue attached to the surface of the billet; 6) Heating: After completing steps 1), 2), 3), 4), and 5), the billet is transported to a heating furnace for heating.

2. A device for eliminating the rollover defect on the surface of a hot-rolled bidirectional stainless steel plate, comprising a grinding device, a cleaning device, a displacement device, and a supporting device; the supporting device is arranged on the outside of a supporting platform, and two groups of displacement devices are slidably connected to the supporting device; the grinding device and the cleaning device are respectively fixedly connected above the two groups of displacement devices; the billet is placed centrally above the supporting platform by a billet lifting clamp, and then the grinding device is driven by the displacement device to move along the supporting device, so that the grinding device grinds the side and edge of the billet; at the same time, another group of displacement devices drives the cleaning device to move with the grinding device to clean the residue attached to the surface of the billet during grinding; Features The grinding device comprises a rotating seat, a connecting seat I, a connecting box I, a grinding mechanism I, a grinding mechanism II, and a motor II; a pair of connecting boxes I are fixedly connected to the top of the rotating seat, and the bottom is rotatably connected to the connecting seat I fixedly connected to the top of the displacement device; The motor II is fixedly connected to one side of the rotating seat through the motor seat, and the gear on the output end of the motor II is meshed with a plurality of gear teeth arranged on the outside of the connecting seat I; the grinding mechanism I is arranged at one end of a pair of connecting boxes I; the grinding mechanism II is arranged between the pair of connecting boxes I; The cleaning device comprises a connecting frame II, a motor III, a lead screw II, a motor IV, a threaded rod III, a brushing mechanism, and a guide shaft; the guide shaft is fixedly connected to one side of the displacement device through a connecting plate; the motor IV is fixedly connected to the displacement device through a connecting seat, the threaded rod III is rotatably connected to the connecting plate fixedly connected to the other side of the displacement device, and the output end of the motor IV is fixedly connected to one end of the threaded rod III; one side of the connecting frame II is slidably connected to the guide shaft, and the other side is threadedly connected to the threaded rod III, and the lead screw II with opposite thread directions at both ends is rotatably connected to one side of the slide groove on the connecting frame II, and the guide shaft is fixedly connected to the other side of the slide groove on the connecting frame II; the motor III is fixedly connected to the top of the connecting frame II through a motor seat, and the output end of the motor III passes through the through hole on the connecting frame II and is fixedly connected to the lead screw II; the brushing mechanism is provided with a pair, which are symmetrically arranged at both ends of the connecting frame II; The displacement device includes an installation box II, a motor V, a roller I, a roller II, and a rotating rod; the motor V is fixedly connected to the bottom of the installation box II through a motor seat, and the output end of the motor V passes through a through hole on the installation box II and is fixedly connected to three sprockets; the rotating rod is rotatably connected to one side of the installation box II, and a sprocket is provided at the bottom of the rotating rod, and two sprockets are provided at the top; the rollers I and II are each provided with a pair, which are symmetrically rotatably connected above and below the installation box II, and the sprocket on the roller I and the sprocket at the bottom of the rotating rod are connected to the sprocket on the output end of the motor V through a chain, and the sprocket on the roller II is connected to the sprocket at the top of the rotating rod through a chain; the connecting seat I is fixedly connected to the top of the installation box II; the guide shaft is fixedly connected to one side of the installation box II through a connecting plate, the motor IV is fixedly connected to the installation box II through a connecting seat, and the threaded rod III is rotatably connected to the connecting plate fixedly connected to the other side of the installation box II; The supporting device includes a supporting frame I, a supporting frame II, a sliding frame, and an adjusting mechanism; the supporting frame I and the supporting frame II are each provided with a pair, and a pair of supporting frames I are symmetrically arranged on both sides of the supporting platform, and a pair of supporting frames II are symmetrically arranged at both ends of the supporting platform; there are a plurality of sliding frames, and one end of the sliding frame is slidably connected to the supporting frame I, and the other end is connected to the supporting frame II; there are a plurality of adjusting mechanisms, and the adjusting mechanisms are fixedly connected to the outer sides of the supporting frames I and II.

3. The device for eliminating the surface rollover defect of hot-rolled bidirectional stainless steel plate according to claim 2, characterized in that The grinding mechanism I is provided with an electric push cylinder I, an electric motor I, a bimetallic band saw blade, an installation box I, a connection box II, a grinding roller I, a brush cylinder, a sprocket I, and an electric motor II; the connection box II is internally rotatably connected with the grinding roller I and the brush cylinder, the outer wall of the brush cylinder is provided with bristles and air holes, the rotating joint at the top is connected to the industrial and commercial vacuum cleaner through a connecting hose, the sprocket at the bottom of the grinding roller I is connected to the sprocket at the bottom of the brush cylinder through a chain, the top connecting shaft passes through the through hole on the connection box II and is fixedly connected to the output end of the electric motor II, and the electric motor II is fixedly connected to the top of the connection box II through a connecting seat; The bimetallic band saw blade is rotatably connected to the mounting box I fixedly connected to one side of the connecting box II through a pair of supporting rollers, and the sprocket I is fixedly connected to one of the supporting rollers through a connecting shaft passing through a through hole on the mounting box I; the electric motor I is fixedly connected to the top of the mounting box I through a connecting seat, and the sprocket on the output end of the electric motor I is connected to the sprocket I through a chain; a plurality of electric push cylinders I are provided, and the cylinder bodies of the electric push cylinders I are respectively fixedly connected to a pair of connecting boxes I, and the protruding ends are respectively fixedly connected to the mounting box I and the connecting box II.

4. The device for eliminating the surface rollover defect of hot-rolled bidirectional stainless steel plate according to claim 2, characterized in that The grinding mechanism II is provided with a connecting frame I, an electric motor III, a lead screw I, a threaded rod I, a threaded rod II, a motor I, a connecting seat II, a grinding roller II, and an electric motor IV; the threaded rod I and the threaded rod II are respectively rotatably connected in a pair of slide grooves on a connecting box I, a pair of sprockets at one end of the threaded rod II are respectively connected with the sprocket on the threaded rod I and the sprocket at the output end of the motor I through a chain, and the motor I is fixedly connected to one side of the connecting box I through a motor seat; the wing plates on both sides of the connecting frame I are threadedly connected with the threaded rod I and the threaded rod II, the lead screw I with opposite threads at both ends is rotatably connected to one side of the slide groove on the connecting frame I, and a guide shaft is provided on the other side of the slide groove on the connecting frame I; the electric motor III is connected to the connecting frame I through a guide shaft; It is fixedly connected to the top of the connecting frame I through a connecting seat, and the output end of the electric motor III passes through the through hole on the connecting frame I and is fixedly connected to the lead screw I; a pair of connecting seats II slidably connected to the connecting frame I are respectively threadedly connected to the two ends of the lead screw I, and the guide shaft on the connecting frame I is slidably connected to the connecting seat II; a number of arc grooves with different diameters are provided on the grinding roller II, and the grinding roller II is rotatably connected to one end of the connecting seat II through the connecting shaft, and the electric motor IV is fixedly connected to the other end of the connecting seat II through the connecting seat, and the connecting shaft on the grinding roller II passes through the through hole on the connecting seat II and is fixedly connected to the bevel gear, and the output end of the electric motor IV passes through the through groove on the connecting seat II and meshes with the bevel gear on the grinding roller II through the bevel gear.

5. The device for eliminating the surface rollover defect of hot-rolled bidirectional stainless steel plate according to claim 2, characterized in that The brush sweeping mechanism is provided with a connecting box III, a brush belt, an electric motor V, a sliding box I, a connecting plate, a connecting port, an electric push cylinder II, and a roller brush; the connecting block on one side of the connecting box III is threadedly connected to the screw II, and the connecting block on the other side is slidably connected to the guide shaft on the connecting frame II, and the brush belt is rotatably connected to the inner side of the connecting box III through a number of supporting rollers; the electric motor V is fixedly connected to one end of the connecting box III through a connecting seat, and the output end of the electric motor V is fixedly connected to a supporting roller on the inner side of the brush belt through a through hole on the connecting box III; the sliding box I is slidably connected to one side of the connecting box III, and the connecting plate at one end fixedly connected to the sliding box I is slidably connected to the other side of the connecting box III, and the inner side of the sliding box I is rotatably connected with a roller brush, and the connecting port at the bottom is connected to the industrial vacuum cleaner through a connecting hose; the cylinder body of the electric push cylinder II is fixedly connected to the connecting box III, and the protruding end is fixedly connected to the sliding box I.

6. The device for eliminating the surface rollover defect of hot-rolled bidirectional stainless steel plate according to claim 2, characterized in that The adjustment mechanism is provided with a sleeve, an electric push cylinder III, a telescopic column, a sliding box II, a threaded rod IV, and a motor VI; the top of the telescopic column is slidably connected to a sliding box II whose one end is fixedly connected to the outer side of a support frame I or a support frame II, and the bottom of the telescopic column is slidably connected to the sleeve; the cylinder body of the electric push cylinder III is fixedly connected to the sleeve, and the extended end is fixedly connected to the telescopic column; the threaded rod IV is threadedly connected to the top of the telescopic column, one end of the threaded rod IV is rotatably connected to the sliding box II, and the other end passes through the through hole on the sliding box II and is fixedly connected to the output end of the motor VI, and the motor VI is fixedly connected to the other end of the sliding box II through a connecting seat.

7. The device for eliminating the surface rollover defect of hot-rolled bidirectional stainless steel plate according to claim 6, characterized in that One end of the sliding box II is slidably connected to the protection box, and the cylinder bodies of a pair of electric push cylinders IV are symmetrically rotatably connected to both sides of the protection box, and the extended ends are respectively rotatably connected to the door panels rotatably connected to both sides of the protection box.

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