Device for reducing stainless steel hot-rolled pickling surface roughness

Abstract

The utility model discloses a device for reducing stainless steel hot-rolled and pickled surface roughness. The device comprises a box body, a feed port, a discharge port, an isolation mechanism, a shot blasting mechanism, a cleaning mechanism, a conveying roller, a spiral conveyor and a storage box, the feeding port and the discharging port are located in the two ends of the box body respectively. The isolation mechanism is mounted on the inner side wall of the box body close to one end of the feed port, and the shot blasting mechanism is fixed in the isolation mechanism; the cleaning mechanisms are symmetrically mounted on the inner wall of the box body on one side of the isolation mechanism and are close to one end of the discharge port; the multiple conveying rollers are evenly and rotationally connected to the inner side wall of the box body. Motors IV are arranged at one ends of the conveying rollers; the storage box is fixed to the top of the box body, and the spiral conveyor is fixed to one side of the box body and connected with the bottom of the box body and the storage box through pipelines. According to the stainless steel pickling device, oxide skin on the stainless steel surface can be removed through the shot blasting mechanism, the stainless steel pickling efficiency and quality can be improved, and the roughness of the stainless steel surface can be reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of hot rolling of stainless steel, in particular to a device for reducing the surface roughness of hot-rolled pickling of stainless steel. Background Art

[0002] The production process of stainless steel is usually divided into hot rolling process and pickling process; the pickling process is generally divided into uncoiling, welding, annealing, dephosphorization, shot blasting, pickling, cleaning, drying, coiling and other steps; during the pickling process, the stainless steel surface is partially oxide-scaled and compact, which makes it difficult to pickle the stainless steel; therefore, shot blasting is used to pre-treat the stainless steel before pickling, thereby reducing the surface roughness of the hot-rolled pickling stainless steel; however, due to the different temperatures in the middle and edge of the stainless steel, the oxide scale is also different, and the use of the same shot blasting machine to shot blast the stainless steel will affect the uniformity of the surface roughness of the stainless steel.

[0003] After searching, the announcement number is CN215700894U, a hot-rolled stainless steel plate shot blasting cleaning machine, including a machine base and a chassis, the chassis is installed on the top of the machine base, a cleaning table is provided at the upper end of the interior of the chassis, a row of brush rollers are provided inside the cleaning table, a synchronous belt is provided on the side of the brush roller, the brush roller is connected to a manual rocker outside the chassis, a roller is provided inside the cleaning table, a cleaning box is provided inside the chassis, a fixing clamp is provided inside the cleaning box, a driving rod is provided on the top of the fixing clamp, and the driving rod is connected to the top of the interior of the chassis; the processing process has the following disadvantages: first, it is cleaned on the cleaning table, and then put into the cleaning box and placed on the fixing clamp for shot blasting. Manual replacement is required during the replacement process, which reduces the cleaning efficiency of the stainless steel plate.

[0004] The announcement number is CN216577362U, a high-power shot blasting machine specially used for physical descaling equipment: the shot blasting box has a shot blasting port; one end of the main shaft is installed at the position of the first installation port and extends into the shot blasting box; a shot blasting window is provided on the side wall of the shot dividing wheel, which is installed inside the shot blasting box and fixedly connected to the end of the main shaft extending into the shot blasting box; a directional sleeve is arranged on the periphery of the shot dividing wheel, a shot blasting opening is provided on the side wall, and is installed on the shot blasting box through a rotating connection structure; an angle adjustment mechanism is connected to the rotating connection structure; the processing process has the following disadvantages: due to the different temperatures in the middle and edge of the stainless steel, the oxide scale caused is also different, and the same shot blasting port is used to shot blast the stainless steel, which will affect the uniformity of the surface roughness of the stainless steel. Summary of the invention

[0005] The utility model aims to overcome the deficiencies in the prior art and provide a device for reducing the surface roughness of hot-rolled pickling stainless steel, which can remove the oxide scale on the surface of the stainless steel through a shot blasting mechanism, thereby improving the pickling efficiency and quality of the stainless steel and further reducing the surface roughness of the stainless steel.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A device for reducing the surface roughness of hot-rolled pickling of stainless steel, comprising a box, a feed port, a discharge port, an isolation mechanism, a shot blasting mechanism, a cleaning mechanism, a transport roller, a screw conveyor, and a storage box; the feed port and the discharge port are respectively located at two ends of the box; the isolation mechanism is installed on the inner wall of the box body near one end of the feed port, the shot blasting mechanism is provided with two groups of isolation mechanisms respectively fixed on the upper and lower sides of the stainless steel, the shot blasting mechanism on the upper side of the stainless steel is installed on the isolation mechanism, and the shot blasting mechanism on the lower side of the stainless steel is installed on the side wall of the box body; a pair of cleaning mechanisms are provided, which are symmetrically installed on the inner wall of the box body on one side of the isolation mechanism and close to one end of the discharge port; the transport roller is provided with a plurality of uniformly rotating connecting members. It is connected to the inner wall of the box body and is located below the isolation mechanism; a motor IV is provided at one end of the transport roller; a storage box is fixed on the top of the box body, and the storage box is connected to the shot blasting mechanism below the stainless steel through a conduit; a screw conveyor is fixed on one side of the box body, and is respectively connected to the bottom of the box body and the storage box through pipelines; first, the stainless steel is driven into the box body by the transport roller, and then the stainless steel is separated by the isolation mechanism, and the center and both sides of the stainless steel are shot blasted respectively by the corresponding shot blasting machine, so as to remove the oxide scale on the surface of the stainless steel, and further reduce the roughness of the stainless steel surface; then the remaining steel shots and oxide scale on the upper surface of the stainless steel are cleaned by the cleaning mechanism.

[0008] The cleaning mechanism includes a support frame, a scraper, a motor III, a sprocket I, a sprocket II, a chain, a fixed plate, and a baffle; a pair of support frames are provided, which are symmetrically fixed on the top of the inner wall of the box body; sprocket I and sprocket II are respectively rotatably connected to the corresponding side walls of the support frame through a rotating shaft; the chain is meshed and connected between sprocket I and sprocket II; motor III is fixed on the side wall of the support frame, and the output end is connected to one end of sprocket I; the fixed plate is fixed on the outer side wall of the chain, and one end of the scraper is rotatably connected to one end of the fixed plate through a rotating shaft; the baffle is fixed on the support frame; motor III provides power to drive sprocket I to rotate, and sprocket I drives sprocket II to rotate through the chain; the chain drives the scraper to move through the fixed plate, thereby cleaning the remaining steel shots and oxide scale on the upper surface of the stainless steel; it is beneficial to the subsequent pickling tank to quickly pickle the stainless steel, and further reduce the roughness of the stainless steel surface.

[0009] The upper end of the fixed plate is provided with a mounting groove; a mounting plate is fixed inside the mounting groove; a locking plate is movably connected inside the mounting groove on one side of the mounting plate; one end of the locking plate is connected to the locking groove of the scraper side wall; the mounting plate and the locking plate are connected by a spring; a spring guide shaft is provided at the end of the locking plate away from the locking groove, and the end of the spring guide shaft away from the locking plate passes through the spring and the mounting plate and is connected to the inclined block; when the fixed plate and the scraper move to contact the baffle, the baffle squeezes the inclined block to make the inclined block move along the mounting groove, and then the inclined block drives the locking plate to move through the spring guide shaft, so that the locking plate is inserted into the locking groove of the scraper side wall, and the spring is stretched; thereby fixing the scraper; when the fixed plate and the scraper are away from the baffle, the spring recovers and drives the locking plate away from the scraper, so that the scraper is unlocked.

[0010] The isolation mechanism includes a screw, a guide rod, a motor I, a partition, a telescopic plate, and a telescopic spring; both ends of the screw are rotatably connected to the inner wall of the box body through bearings; a pair of guide rods are provided, which are symmetrically fixed on both sides of the screw; the motor I is fixed on the outer wall of the box body, and the output end is connected to one end of the screw; a pair of partitions are provided, and the partitions pass through the guide rod and are connected to the screw by threads; the telescopic plate is located below the partition, and the telescopic spring is fixed inside the partition and connected to the partition; the telescopic spring drives the telescopic plate to move along the partition, so that the telescopic plate contacts the stainless steel, thereby adapting to stainless steel of different thicknesses. The motor I provides power to drive the screw to rotate, and the screw drives the partition to move along the guide rod through threads, thereby adjusting the position of the partition, and further adapting to stainless steel of different widths.

[0011] The shot blasting mechanism includes a support plate, a shot blasting machine, a half gear, a gear, a motor II, and a feed pipe; the support plate is fixed on the isolation mechanism, the shot blasting machine is rotatably connected to the bottom of the support plate through a rotating shaft, and the two ends of the feed pipe are respectively connected to the shot blasting machine and a storage box; the half gear is fixed on the top of the shot blasting machine, the motor II is fixed on the side wall of the support plate, and the output shaft is provided with a gear, and the gear is meshed and connected with the half gear; the motor II provides power to drive the gear to rotate, and the gear drives the shot blasting machine to rotate through the half gear, thereby adjusting the angle and height between the shot blasting machine and the stainless steel, so as to adapt to stainless steel of different thicknesses.

[0012] A pair of symmetrically fixed triangular seats are provided at the bottom of the box below the shot blasting mechanism, and a filter screen is provided between the triangular seats. The filter screen is tilted and the aperture of the filter screen is smaller than the diameter of the steel shot. A collecting trough is provided below the filter screen, and a discharge port is provided on the box on one side of the collecting trough. After the steel shot hits the stainless steel, it falls on the filter screen together with waste chips, rust and other materials. Since the aperture of the filter screen is smaller than the diameter of the steel shot, the filter screen will discharge the waste chips into the dust collecting trough, while the steel shot will be intercepted. Due to the tilted design of the filter screen, the steel shot enters the screw conveyor through the recovery pipe, and the lifting frame transports the steel shot to the storage box for standby use. No manual sorting is required, which greatly improves work efficiency.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1) Motor III provides power to drive sprocket I to rotate, and sprocket I drives sprocket II to rotate through the chain; the chain drives the scraper to move through the fixed plate, thereby cleaning the remaining steel shots and oxide scale on the surface of the stainless steel; this is conducive to the subsequent pickling tank to quickly pickle the stainless steel, and further reduce the roughness of the stainless steel surface;

[0015] 2) Motor I provides power to drive the lead screw to rotate, and the lead screw drives the partition to move along the guide rod through the thread, so as to adjust the position of the partition to further adapt to stainless steel of different widths; the stainless steel is separated by the isolation mechanism, and the center and both sides of the stainless steel are shot blasted by the corresponding shot blasting machine, so that the roughness of the stainless steel surface can be more uniform;

[0016] 3) The oxide scale on the surface of stainless steel is removed by shot blasting mechanism, thereby improving the pickling efficiency and quality of stainless steel, and further reducing the roughness of the stainless steel surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Attached Figure 1 This is a schematic diagram of the internal structure of a device for reducing the surface roughness of hot-rolled pickling stainless steel in the utility model;

[0018] Attached Figure 2 This is a schematic diagram of the structure of the cleaning mechanism in a device for reducing the surface roughness of hot-rolled pickling stainless steel. Figure 1 ;

[0019] Attached Figure 3 This is a schematic diagram of the structure of the cleaning mechanism in a device for reducing the surface roughness of hot-rolled pickling stainless steel. Figure 2 ;

[0020] Attached Figure 4 It is a structural schematic diagram of a shot blasting mechanism in a device for reducing the surface roughness of hot-rolled pickling stainless steel of the utility model;

[0021] Attached Figure 5 It is a structural schematic diagram of an isolation mechanism in a device for reducing the surface roughness of hot-rolled pickling stainless steel of the utility model;

[0022] Attached Figure 6 This is a schematic diagram of the structure of a device for reducing the surface roughness of hot-rolled pickling stainless steel. Figure 1 ;

[0023] Attached Figure 7 This is a schematic diagram of the structure of a device for reducing the surface roughness of hot-rolled pickling stainless steel. Figure 2 ;

[0024] In the figure: 1. Box body; 101. Triangular seat; 102. Filter screen; 103. Collecting tank; 104. Discharge port; 2. Feed port; 3. Discharge port; 4. Isolation mechanism; 401. Lead screw; 402. Guide rod; 403. Motor I; 404. Partition plate; 405. Telescopic plate; 406. Telescopic spring; 5. Shot blasting mechanism; 501. Support plate; 502. Shot blaster; 503, half gear; 504, gear; 505, motor II; 506, feed pipe; 6, cleaning mechanism; 601, support frame; 602, scraper; 6021, locking groove; 603, motor III; 604, sprocket I; 605, sprocket II; 606, chain; 607, fixing plate; 6071, mounting groove; 6072, mounting plate; 6073, locking plate; 6074, spring; 6075, spring guide shaft; 6076, inclined block; 608, baffle; 7, transport roller; 702, motor IV; 8, screw conveyor; 9, stainless steel; 11, storage box. DETAILED DESCRIPTION

[0025] To facilitate the understanding of those skilled in the art, Figure 1-7 , the technical solution of the utility model is further specifically described.

[0026] A device for reducing the surface roughness of hot-rolled pickling of stainless steel, comprising a box 1, a feed port 2, a discharge port 3, an isolation mechanism 4, a shot blasting mechanism 5, a cleaning mechanism 6, a transport roller 7, a screw conveyor 8, and a storage box 11; the feed port 2 and the discharge port 3 are respectively located at both ends of the box 1; the isolation mechanism 4 is installed on the inner wall of the box 1 near one end of the feed port 2, the shot blasting mechanism 5 is fixed inside the isolation mechanism 4, the shot blasting mechanism 5 on the upper side of the stainless steel 9 is installed on the isolation mechanism 4, and the shot blasting mechanism 5 on the lower side of the stainless steel 9 is installed on the side wall of the box 1; a pair of cleaning mechanisms 6 are symmetrically installed on the inner wall of the box 1 on one side of the isolation mechanism 4 and close to one end of the discharge port 3; a plurality of transport rollers 7 are provided, which are evenly connected to the inner side of the box 1 for rotation. The transport roller 7 is mounted on the wall and is located below the isolation mechanism 4; a motor IV702 is provided at one end of the transport roller 7; a storage box 11 is fixed on the top of the box body 1, and the storage box 11 is connected to the shot blasting mechanism 5 below the stainless steel 9 through a conduit; a screw conveyor 8 is fixed on one side of the box body 1, and is respectively connected to the bottom of the box body 1 and the storage box 11 through pipelines; first, the stainless steel 9 is driven into the interior of the box body 1 by the transport roller 7, and then the stainless steel 9 is separated by the isolation mechanism 4, and the center and both sides of the stainless steel 9 are respectively shot blasted by the corresponding shot blasting machine, so that the oxide scale on the surface of the stainless steel 9 is removed, and the roughness of the surface of the stainless steel 9 can be further reduced; and then the remaining steel shots and oxide scale on the upper surface of the stainless steel 9 are cleaned by the cleaning mechanism 6.

[0027] The cleaning mechanism 6 includes a support frame 601, a scraper 602, a motor III 603, a sprocket I 604, a sprocket II 605, a chain 606, a fixing plate 607, and a baffle 608; a pair of support frames 601 are provided, symmetrically fixed on the top of the inner wall of the box body 1; the sprocket I 604 and the sprocket II 605 are respectively connected to the corresponding side walls of the support frame 601 by rotating shafts; the chain 606 is meshed and connected between the sprocket I 604 and the sprocket II 605; the motor III 603 is fixed on the side wall of the support frame 601, and the output end is connected to one end of the sprocket I 604; fixed Plate 607 is fixed on the outer wall of chain 606, one end of scraper 602 is rotatably connected to one end of fixed plate 607 through a rotating shaft; baffle 608 is fixed on support frame 601; motor III 603 provides power to drive sprocket I 604 to rotate, and sprocket I 604 drives sprocket II 605 to rotate through chain 606; chain 606 drives scraper 602 to move through fixed plate 607, thereby cleaning the remaining steel shots and oxide scale on the upper surface of stainless steel 9; it is beneficial for the subsequent pickling tank to quickly pickle stainless steel 9, and can further reduce the roughness of the surface of stainless steel 9.

[0028] The fixing plate 607 has a mounting groove 6071 at the upper end; a mounting plate 6072 is fixed inside the mounting groove 6071; a locking plate 6073 is movably connected inside the mounting groove 6071 on one side of the mounting plate 6072; one end of the locking plate 6073 is connected to the locking groove 6021 on the side wall of the scraper 602; the mounting plate 6072 and the locking plate 6073 are connected by a spring 6074; a spring guide shaft 6075 is provided at one end of the locking plate 6073 away from the locking groove 6021, and one end of the spring guide shaft 6075 away from the locking plate 6073 passes through the spring 6074 and the mounting plate 6072 and the inclined block 607 6 connection; when the fixing plate 607 and the scraper 602 move to contact with the baffle 608, the baffle 608 squeezes the inclined block 6076 to make the inclined block 6076 move along the mounting groove 6071, and then the inclined block 6076 drives the locking plate 6073 to move through the spring guide shaft 6075, so that the locking plate 6073 is inserted into the locking groove 6021 of the side wall of the scraper 602, and the spring 6074 is stretched; thereby fixing the scraper 602; when the fixing plate 607 and the scraper 602 are away from the baffle 608, the spring 6074 recovers to drive the locking plate 6073 away from the scraper 602, so that the scraper 602 is unlocked.

[0029] The isolation mechanism 4 includes a lead screw 401, a guide rod 402, a motor I 403, a partition 404, a telescopic plate 405, and a telescopic spring 406; both ends of the lead screw 401 are rotatably connected to the inner wall of the box body 1 through bearings; a pair of guide rods 402 are provided, symmetrically fixed on both sides of the lead screw 401; the motor I 403 is fixed on the outer wall of the box body 1, and the output end is connected to one end of the lead screw 401; a pair of partitions 404 are provided, and the partitions 404 pass through the guide rods 402 and are connected to the lead screw 401 through threads; the telescopic spring 406 is provided. The retractable plate 405 is located below the partition 404, and the telescopic spring 406 is fixed inside the partition and connected to the partition 404; the telescopic spring 406 drives the telescopic plate 405 to move along the partition 404, so that the telescopic plate 405 contacts the stainless steel 9; thereby adapting to stainless steel 9 of different thicknesses; the motor I 403 provides power to drive the lead screw 401 to rotate, and the lead screw 401 drives the partition 404 to move along the guide rod 402 through the thread, thereby adjusting the position of the partition 404, and further adapting to stainless steel 9 of different widths.

[0030] The shot blasting mechanism 5 includes a support plate 501, a shot blasting machine 502, a half gear 503, a gear 504, a motor II 505, and a feed pipe 506; the support plate 501 is fixed on the isolation mechanism 4, the shot blasting machine 502 is rotatably connected to the bottom of the support plate 501 through a rotating shaft, and the two ends of the feed pipe 506 are respectively connected to the shot blasting machine 602 and the storage box 11; the half gear 503 is fixed to the top of the shot blasting machine 502, the motor II 505 is fixed to the side wall of the support plate 501, and the output shaft is provided with a gear 504, and the gear 504 is meshed and connected with the half gear 503; the motor II 505 provides power to drive the gear 504 to rotate, and the gear 504 drives the shot blasting machine 502 to rotate through the half gear 503, thereby adjusting the angle and height of the shot blasting machine 502 and the stainless steel 9, so as to adapt to stainless steel 9 of different thicknesses.

[0031] A pair of symmetrically fixed triangular seats 101 are provided at the bottom of the box body 1 below the shot blasting mechanism 5, and a filter screen 102 is provided between the triangular seats 101. The filter screen 102 is tilted, and the aperture of the filter screen 102 is smaller than the diameter of the steel shot; a collecting trough 103 is provided below the filter screen 102, and a discharge port 104 is provided on the box body on one side of the collecting trough 103; after the steel shot hits the stainless steel 9, it falls on the filter screen 102 together with waste chips, rust and other materials. Since the aperture of the filter screen 102 is smaller than the diameter of the steel shot, the filter screen 102 will discharge the waste chips into the collecting trough 103, while the steel shot is intercepted. Due to the tilted design of the filter screen 102, the steel shot enters the screw conveyor 8 through the pipeline, and the screw conveyor 8 transports the steel shot to the storage box 11 for standby use, without the need for manual sorting, which greatly improves the work efficiency.

[0032] A device for reducing the surface roughness of hot-rolled pickling of stainless steel, the working process of which is as follows: first, the stainless steel 9 is driven into the interior of the box 1 by a transport roller 7, and then the stainless steel 9 is separated by an isolation mechanism 4, and the center and both sides of the stainless steel 9 are respectively shot blasted by a corresponding shot blaster, so that the oxide scale on the surface of the stainless steel 9 is removed, and the roughness of the surface of the stainless steel 9 can be further reduced; then the remaining steel shots and oxide scale on the upper surface of the stainless steel 9 are cleaned by a cleaning mechanism 6; finally, after the steel shots hit the stainless steel 9, they fall onto a filter screen 102 together with waste chips, rust and other materials. Since the aperture of the filter screen 102 is smaller than the diameter of the steel shots, the filter screen 102 will discharge the waste chips into a collecting tank 103, while the steel shots are intercepted. Due to the inclined design of the filter screen 102, the steel shots enter the screw conveyor 8 through a pipeline, and the screw conveyor 8 transports the steel shots to a storage box 11 for standby use, without the need for manual sorting, thereby greatly improving the work efficiency.

[0033] The above contents are merely examples and explanations of the structure of the utility model. 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 utility model or exceed the scope defined in the claims, they should all fall within the protection scope of the utility model.

Claims

1. A device for reducing the surface roughness of hot-rolled pickling stainless steel, comprising a box, a feed port, a discharge port, an isolation mechanism, a shot blasting mechanism, a cleaning mechanism, a transport roller, a screw conveyor, and a storage box; characterized in that The feed port and the discharge port are respectively located at the two ends of the box; the isolation mechanism is installed on the inner wall of the box near one end of the feed port, and the shot blasting mechanism is provided with two groups of isolation mechanisms respectively fixed inside the upper and lower sides of the stainless steel, the shot blasting mechanism on the upper side of the stainless steel is installed on the isolation mechanism, and the shot blasting mechanism on the lower side of the stainless steel is installed on the side wall of the box; a pair of cleaning mechanisms are provided, which are symmetrically installed on the inner wall of the box on one side of the isolation mechanism and close to one end of the discharge port; a number of transport rollers are provided, which are evenly connected to the inner wall of the box and are located below the isolation mechanism; a motor IV is provided at one end of the transport roller; a storage box is fixed on the top of the box, and the storage box is connected to the shot blasting mechanism below the stainless steel through a conduit; a screw conveyor is fixed on one side of the box, and is respectively connected to the bottom of the box and the storage box through pipelines; The cleaning mechanism includes a support frame, a scraper, a motor III, a sprocket I, a sprocket II, a chain, a fixed plate, and a baffle; a pair of support frames are provided, which are symmetrically fixed on the top of the inner wall of the box body; the sprocket I and the sprocket II are respectively connected to the corresponding side walls of the support frame by rotating shafts; the chain is meshed and connected between the sprocket I and the sprocket II; the motor III is fixed on the side wall of the support frame, and the output end is connected to one end of the sprocket I; the fixed plate is fixed on the outer wall of the chain, one end of the scraper is connected to one end of the fixed plate by rotating shafts, and the baffle is fixed on the support frame; The shot blasting mechanism includes a support plate, a shot blasting machine, a half gear, a gear, a motor II, and a feed pipe; the support plate is fixed on the isolation mechanism, the shot blasting machine is rotatably connected to the bottom of the support plate through a rotating shaft, and both ends of the feed pipe are respectively connected to the shot blasting machine and the storage box; the half gear is fixed on the top of the shot blasting machine, the motor II is fixed on the side wall of the support plate, and the output shaft is provided with a gear, which is meshed and connected with the half gear.

2. The device for reducing the surface roughness of hot-rolled pickling stainless steel according to claim 1, characterized in that A mounting groove is provided at the upper end of the fixing plate; a mounting plate is fixed inside the mounting groove; a locking plate is movably connected inside the mounting groove on one side of the mounting plate; one end of the locking plate is connected to the locking groove of the scraper side wall; the mounting plate and the locking plate are connected by a spring; a spring guide shaft is provided at one end of the locking plate away from the locking groove, and one end of the spring guide shaft away from the locking plate passes through the spring and the mounting plate and is connected to the inclined block.

3. The device for reducing the surface roughness of hot-rolled pickling stainless steel according to claim 1, characterized in that The isolation mechanism includes a screw, a guide rod, a motor I, a partition, a telescopic plate, and a telescopic spring; both ends of the screw are rotatably connected to the inner wall of the box body through bearings; a pair of guide rods are provided, which are symmetrically fixed on both sides of the screw; the motor I is fixed on the outer wall of the box body, and the output end is connected to one end of the screw; a pair of partitions are provided, and the partitions pass through the guide rods and are connected to the screw through threads; the telescopic plate is located below the partition, and the telescopic spring is fixed inside the partition and connected to the partition.

4. The device for reducing the surface roughness of hot-rolled pickling stainless steel according to claim 1, characterized in that A pair of symmetrically fixed triangular seats are provided at the bottom of the box below the shot blasting mechanism, a filter screen is provided between the triangular seats, the filter screen is inclined, and the filter screen aperture is smaller than the diameter of the steel shot; a collecting trough is provided below the filter screen, and a discharge port is provided on the box on one side of the collecting trough.

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