High-formability economical duplex stainless steel plate hot continuous rolling device

Abstract

The high-formability economical duplex stainless steel plate hot continuous rolling device comprises a rough rolling mechanism, a scraping mechanism and a washing mechanism, the scraping mechanism and the washing mechanism are arranged on a fixing frame, the rough rolling mechanism is arranged on one side of the fixing frame, and the washing mechanism is arranged on the other side of the fixing frame; the pair of scraping mechanisms are symmetrically arranged by taking the steel billet as a symmetric surface; the pair of flushing mechanisms are symmetrically arranged by taking the steel billet as the symmetric surface; the scraping mechanism comprises a roller, a scraping plate, an adjusting disc, a first sleeve shaft, an adjusting rod, a first motor and a second motor; the washing mechanism comprises a supporting plate, a spraying pipe and a spraying head. The two ends of the spray pipe are fixedly connected with the supporting plates. According to the utility model, the oxide skin on the surface layer of the stainless steel plate can be scraped and scoured through the mutual cooperation of the scraping mechanism and the scouring mechanism, so that the oxide skin is effectively removed; furthermore, the compression force of a spring on the scraper can be adjusted, so that the scraper can be adaptive to scraping of oxide skins on billets with different thicknesses.

Description

TECHNICAL FIELD

[0001] The utility model belongs to stainless steel plate rolling technical field, especially relates to a high formability economic type duplex stainless steel plate material hot continuous rolling device. BACKGROUND

[0002] Stainless steel plate rolling is divided into cold rolling and hot rolling two, and a large number of oxide skins are generated on the surface layer of the billet when hot rolling, and the oxide skins are removed in the rolling process to ensure the rolling quality;

[0003] After searching, the prior art announcement No. CN218798211U a stainless steel coil plate hot rolling device, when using, the first drive motor drives the hot rolling roller to rotate, and carries out hot rolling operation through the cooperation of the hot rolling roller and the supporting plate, simultaneously, the hot rolling roller will drive two rotating rods to rotate through meshing, and the two rotating rods can clean the surface of the stainless steel coil plate through two layers of cleaning steel brushes, simultaneously, the second drive motor drives the fan blade to rotate, and the impurities scraped off from the surface of the stainless steel coil plate are blown off by the wind blown by the fan blade, so that the surface of the stainless steel coil plate is cleaned;

[0004] But in the rough rolling process of the stainless steel plate, the oxide skin is relatively large in volume, and even the oxide skin is attached relatively firmly, and the cleaning steel brush has the disadvantage that the oxide skin cannot be brushed off, because according to the prior art and the description and drawings in the present scheme, the cleaning steel brush is provided in the form of a steel burr, so that the cleaning steel brush is bent and broken due to high temperature and long use time, so that the oxide skin is not cleaned thoroughly;

[0005] Therefore, the present scheme provides a stainless steel hot continuous rolling device, which can effectively scrape off the oxide skin on the surface layer of the duplex stainless steel plate. SUMMARY

[0006] The utility model discloses a kind of high formability economic type duplex stainless steel plate material hot continuous rolling devices, and the oxide skin on the surface layer of stainless steel plate can be scraped off and flushed by the cooperation of scraping mechanism and flushing mechanism, and the oxide skin is effectively removed;Further, the compression force of spring on scraper can be adjusted, so that scraper can adaptively scrape off the oxide skin on the billet of different thickness.

[0007] In order to achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0008] A kind of high formability economic type duplex stainless steel plate material hot continuous rolling device, including rough rolling mechanism and being set on the scraping mechanism of fixed frame, flushing mechanism, rough rolling mechanism is located in the one side of fixed frame, flushing mechanism is located in the other side of fixed frame;Scraping mechanism is provided with a pair of and is symmetrically arranged with billet as symmetry plane, and flushing mechanism is provided with a pair of and is symmetrically arranged with billet as symmetry plane.

[0009] The scraping mechanism comprises a roller, a scraper, an adjusting disc, a first sleeve shaft, an adjusting rod, a first motor and a second motor, the roller is fixed by a pair of half cylinders matched by bolts, the first through groove is arranged on the half cylinder, the both ends of the roller are provided with the sealing plates fixed by bolts, the limiting grooves are arranged on the sealing plates, the first sleeve shaft is arranged in the roller and fixedly connected with the both ends of the sealing plates, the second through groove and the second sleeve shaft are arranged at the both ends of the first sleeve shaft, the fixed lug is arranged at the both ends of the first sleeve shaft and the second sleeve shaft, the scraper is arranged in plurality, one end of the scraper is arranged in the first through groove, the limiting shafts are arranged at the both ends of the scraper, the limiting shafts are arranged in the limiting grooves, the guide shafts are arranged on the side edges of the scraper, the limiting plates are slidably connected on the guide shafts, the adjusting shafts are arranged at the both ends of the limiting plates and arranged in the limiting grooves, the springs are sleeved on the guide shafts and abut against the limiting plates and the scraper, the adjusting disc is arranged at the both ends of the first sleeve shaft, the adjusting disc is rotatably connected with the first sleeve shaft, the arc-shaped adjusting grooves are arranged on the adjusting disc for inserting the adjusting shafts, the adjusting sleeves are arranged on the adjusting disc, the fixed rods are arranged in the adjusting sleeves and the second through grooves, the adjusting rod is arranged in the first sleeve shaft and the second sleeve shaft and fixedly connected with the fixed rods in the adjusting sleeves, the first motor is fixed on one end of the second sleeve shaft through the motor base, the first motor shaft is fixedly connected with the end of the adjusting rod, the adjusting rod is driven to rotate by the first motor, the both ends of the adjusting disc are synchronously rotated, the position of the limiting plate is adjusted through the adjusting groove, and the compression force of the spring is adjusted.

[0010] The flushing mechanism comprises a support plate, a spray pipe and a spray head, the support plate is fixedly connected with the fixed frame, the both ends of the spray pipe are fixedly connected with the support plate, one end of the spray pipe is connected with the external water vapor supply system, and the spray head is arranged in plurality and fixed on the spray pipe.

[0011] In another arrangement mode, the both ends of the spray pipe are rotatably connected with the support plate, a plurality of insertion holes are arranged on the support plate, the fixed arms are arranged at the ends of the spray pipe, the insertion shafts are arranged on the fixed arms, the spray pipe flushing angle is adjusted by rotating the fixed arms, and then the insertion shafts are inserted into the insertion holes for locking.

[0012] The rough rolling mechanism comprises a rack, a roller and a third motor, the roller is arranged in a pair of and symmetrically arranged, and the both ends of the roller are rotatably connected with the rack through the rotating shafts; the third motor is fixed on the rack, and the third motor shaft is connected with the end of the roller to provide power for the rotation of the rotating shaft.

[0013] The utility model discloses compared with prior art has the beneficial effects of:

[0014] 1) This solution can scrape and flush the oxide scale on the surface of stainless steel plates by using a scraping mechanism and a flushing mechanism in cooperation. First, the scraping mechanism scrapes off the oxide scale on the surface of the steel billet, breaking the adhesion between the oxide scale and the steel billet. Then, the flushing mechanism flushes and removes the scraped oxide scale. Furthermore, the compression force of the spring on the scraper can be adjusted to control the scraping force, so that the scraper can adapt to the scraping of oxide scale on steel billets of different thicknesses.

[0015] The system utilizes a first motor to drive an adjusting rod, which in turn drives the adjusting discs at both ends to rotate synchronously. This allows for the synchronous adjustment of the position of the limiting plate via the adjusting groove and adjusting shaft, thereby adjusting the spring compression force. The fixed rod can move smoothly within the second through groove, and the synchronous rotation of the adjusting discs at both ends ensures more stable and even adjustment of the spring compression force. The second motor shaft is equipped with a sprocket that works with a chain, and a sprocket is also mounted on a second set of shafts to work together. This allows the second motor to provide power to drive the roller to rotate and scrape off the oxide scale.

[0016] Furthermore, the structure of the roller, which is fixed by a pair of semi-cylinders with bolts, facilitates the installation and fixation of the internal structure of the roller;

[0017] 2) The nozzle on the flushing mechanism can be rotated to adjust the flushing angle of the nozzle. Then, it is locked by inserting the fixing arm and the insertion hole through the plug shaft, so that the nozzle can flush the oxide scale on the duplex stainless steel plate at the best spray angle. After the scraping mechanism scrapes it off, the oxide scale is flushed off with the greatest force. Attached Figure Description

[0018] Appendix Figure 1 This is a schematic diagram of a high-formability and economical hot continuous rolling device for duplex stainless steel sheets according to this utility model.

[0019] Appendix Figure 2 This is a schematic diagram of the scraping mechanism;

[0020] Appendix Figure 3 This is a schematic diagram of the roller structure. Figure 1 ;

[0021] Appendix Figure 4 This is a schematic diagram of the roller structure. Figure 2 ;

[0022] Appendix Figure 5 This is an exploded view of the first and second sets of shafts;

[0023] Appendix Figure 6 This is a structural diagram of the first set of shaft, scraper, adjusting disc, and sealing plate;

[0024] Appendix Figure 7 This is a schematic diagram of the scraper distribution structure;

[0025] attached Figure 8 is a structural diagram of the adjusting disc;

[0026] In the figure: 1, fixed frame; 2, scraping mechanism; 21, roller; 211, half cylinder; 2111, first through slot; 212, sealing plate; 2121, limiting groove; 22, scraper; 221, guide shaft; 222, spring; 223, limiting plate; 224, adjusting shaft; 225, limiting shaft; 23, adjusting disc; 231, adjusting groove; 232, adjusting sleeve; 233, fixed rod; 24, first sleeve shaft; 241, second through slot; 242, fixed lug plate; 243, second sleeve shaft; 25, adjusting rod; 26, first motor; 27, second motor;

[0027] 3, flushing mechanism; 31, support plate; 311, insertion hole; 32, spray pipe; 321, fixed arm; 33, spray head;

[0028] 4, rough rolling mechanism; 41, rack; 42, roller; 43, third motor; 5, billet. DETAILED DESCRIPTION

[0029] For the convenience of the person skilled in the art to understand, the following will be combined with the attached Figures 1-8 The technical scheme of the present application is further specifically explained.

[0030] A high-formability economic dual-phase stainless steel plate hot continuous rolling device, comprising a rough rolling mechanism 4 and a scraping mechanism 2 and a flushing mechanism 3 arranged on a fixed frame 1, the rough rolling mechanism 4 is arranged on one side of the fixed frame 1, and the flushing mechanism 3 is arranged on the other side of the fixed frame 1; the scraping mechanism 2 is arranged in a pair of symmetry with the billet 5 as the symmetry surface, and the flushing mechanism 3 is arranged in a pair of symmetry with the billet 5 as the symmetry surface.

[0031] The scraping mechanism 2 comprises a roller 21, a scraper 22, an adjusting disc 23, a first sleeve shaft 24, an adjusting rod 25, a first motor 26, a second motor 27, the roller 21 is fixed by a pair of half cylinders 211 matched by bolts, the first through groove 2111 is arranged on the half cylinder 211, the both ends of the roller 21 are provided with the sealing plates 212 fixed by bolts, the limiting grooves 2121 are arranged on the sealing plates 212, the first sleeve shaft 24 is arranged in the roller 21 and fixedly connected with the sealing plates 212 at both ends, the second through groove 241 and the second sleeve shaft 243 are arranged at both ends of the first sleeve shaft 24, the fixed lug plates 242 are arranged at the ends of the first sleeve shaft 24 and the second sleeve shaft 243, the first sleeve shaft 24 and the second sleeve shaft 243 are fixedly connected by the bolts and the fixed lug plates 242, the scraper 22 is arranged in plurality, one end of the scraper 22 is arranged in the first through groove 2111, the both ends of the scraper 22 are provided with the limiting shafts 225 arranged in the limiting grooves 2121, the guide shafts 221 are arranged on the side edges of the scraper 22, the limiting plates 223 are slidably connected on the guide shafts 221, the adjusting shafts 224 are arranged at both ends of the limiting plates 223 and arranged in the limiting grooves 2121, the springs 222 are sleeved on the guide shafts 221, the springs 222 abut against the limiting plates 223 and the scraper 22, the adjusting discs 23 are arranged in pair and arranged at both ends of the first sleeve shaft 24, the adjusting discs 23 are rotatably connected with the first sleeve shaft 24, the arc-shaped adjusting grooves 231 are arranged on the adjusting discs 23 for inserting the adjusting shafts 224, the adjusting sleeves 232 are arranged on the adjusting discs 23, the fixed rods 233 are arranged in the adjusting sleeves 232 and in the second through groove 241, the adjusting rod 25 is arranged in the first sleeve shaft 24 and the second sleeve shaft 243 and fixedly connected with the fixed rods 233 in the adjusting sleeves 232, the first motor 26 is fixed on the second sleeve shaft 243 at one end by a motor base, the first motor 26 is fixedly connected with the end of the adjusting rod 25, the first motor 26 drives the adjusting rod 25 to rotate, in turn drives the adjusting discs 23 at both ends to synchronously rotate, the position of the limiting plate 223 is adjusted by the adjusting groove 231, in turn the compression force of the spring 222 is adjusted, the second motor 27 is fixed on the fixed frame 1, the sprocket is arranged on the second sleeve shaft 243 and matched with the chain wheel arranged at the end of the second motor 27, in this way, the second motor 27 drives the roller 21 to rotate and realizes the work of scraping the oxide skin.

[0032] The flushing mechanism 3 comprises a support plate 31, a spray pipe 32 and a spray head 33, the support plate 31 is fixedly connected with the fixed frame 1, the both ends of the spray pipe 32 are fixedly connected with the support plate 31, one end of the spray pipe 32 is connected with an external steam supply system, the spray head 33 is arranged in plurality and fixed on the spray pipe 32, the steam supply system supplies high-temperature and high-pressure steam to the spray pipe, on one hand, prevents the temperature drop of the hot-rolled strip, on the other hand, realizes the descaling flushing of the scraped oxide skin.

[0033] Another setting mode, the spray pipe 32 both ends are rotatably connected to the support plate 31, the support plate 31 is provided with a plurality of insertion holes 311, the spray pipe 32 end is provided with a fixed arm 321, the fixed arm 321 is provided with an insertion shaft, the spray pipe 32 is adjusted by rotating the fixed arm 321 to realize the flushing angle, and then is locked by the insertion shaft and the insertion hole 311.

[0034] The rough rolling mechanism 4 comprises a rack 41, a roller 42 and a third motor 43, the roller 42 is provided with a pair of rollers and is symmetrically arranged, the roller 42 is rotatably connected to the rack 41 through a rotating shaft at both ends; the third motor 43 is fixed on the rack 41, and the third motor 43 is connected to the end of the roller 42 through a rotating shaft to provide power for the rotation of the roller 42.

[0035] The working process of the high-forming economic dual-phase stainless steel plate hot continuous rolling device is as follows: first, the billet 5 is rolled through the rough rolling mechanism 4, then the scale on the surface of the billet 5 is scraped off through the scraping mechanism 2, the mutual adhesion between the scale and the billet 5 is interrupted, the scraped scale is flushed and flushed away through the flushing mechanism 3, and then the billet 5 enters the subsequent finishing rolling mechanism.

[0036] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0037] From the above, including but not limited to motor and other electronic or electrical components are prior art components, obtained by private customization or purchase, the electrical connection between each component is the conventional circuit connection or electrical connection in the prior art, which is not within the protection scope of the present application;

[0038] The above content is only an example and description of the structure of the utility model, and those skilled in the art can make various modifications or supplements to the described specific embodiments or adopt similar ways to replace them, as long as they do not deviate from the structure of the utility model or exceed the scope defined in the present claims, which shall belong to the protection scope of the utility model.

Claims

1. A high-forming economic duplex stainless steel plate hot continuous rolling device, comprising a rough rolling mechanism and a scraping mechanism and a flushing mechanism arranged on a fixed frame, the rough rolling mechanism is arranged on one side of the fixed frame, and the flushing mechanism is arranged on the other side of the fixed frame; the scraping mechanism is arranged in a pair and symmetrically arranged with the billet as the symmetric surface, and the flushing mechanism is arranged in a pair and symmetrically arranged with the billet as the symmetric surface; characterized in that The scraping mechanism comprises a roller, a scraper, an adjusting disc, a first sleeve shaft, an adjusting rod, a first motor and a second motor, the roller is fixed by a pair of half cylinders matched by bolts, a first through groove is arranged on the half cylinder, end plates are arranged at both ends of the roller and fixed by bolts, and a limiting groove is arranged on the end plate; the first sleeve shaft is arranged in the roller and fixedly connected with the end plate at both ends, a second through groove and a second sleeve shaft are arranged at both ends of the first sleeve shaft, fixed lugs are arranged at the ends of the first sleeve shaft and the second sleeve shaft, the first sleeve shaft and the second sleeve shaft are connected and fixed by bolts matched with the fixed lugs; a plurality of scrapers are arranged, one end of the scraper is arranged in the first through groove, limiting shafts are arranged at both ends of the scraper, the limiting shafts are arranged in the limiting groove, guide shafts are arranged on the side edges of the scraper, limiting plates are slidably connected on the guide shafts, adjusting shafts are arranged at both ends of the limiting plate and arranged in the limiting groove, springs are sleeved on the guide shafts, and the springs abut against the limiting plate and the scraper; a pair of adjusting discs are arranged at both ends of the first sleeve shaft respectively, the adjusting disc is rotationally connected with the first sleeve shaft, an arc-shaped adjusting groove is arranged on the adjusting disc for inserting the adjusting shaft, an adjusting sleeve is arranged on the adjusting disc, a fixed rod is arranged in the adjusting sleeve, and the fixed rod is arranged in the second through groove; the adjusting rod is arranged in the first sleeve shaft and the second sleeve shaft and fixedly connected with the fixed rod in the adjusting sleeve; the first motor is fixed on the second sleeve shaft at one end by a motor base, the first motor shaft is fixedly connected with the end of the adjusting rod, the adjusting rod is driven to rotate by the first motor, the adjusting discs at both ends are synchronously rotated, the position of the limiting plate is adjusted by the adjusting groove, and the compression force of the spring is adjusted; the second motor is fixed on the fixed frame, a sprocket is arranged at the end of the second motor shaft and matched with a chain, a sprocket is arranged on the second sleeve shaft and matched with the chain, and the second motor provides power to drive the roller to rotate and scrape the scale.

2. The hot continuous rolling device for a high-formability economic duplex stainless steel sheet according to claim 1, characterized by The flushing mechanism comprises a support plate, a spray pipe and a spray head; the support plate is fixedly connected with the fixed frame, the spray pipe is fixedly connected with the support plate at both ends, one end of the spray pipe is connected with an external water vapor supply system, and a plurality of spray heads are fixed on the spray pipe.

3. The hot continuous rolling device for an economic duplex stainless steel sheet with high formability according to claim 2, characterized in that Both ends of the spray pipe are rotationally connected with the support plate, a plurality of insertion holes are arranged on the support plate, a fixed arm is arranged at the end of the spray pipe, an insertion shaft is arranged on the fixed arm, the angle of the spray pipe is adjusted by rotating the fixed arm, and then the insertion shaft is inserted into the insertion hole for locking.

4. The hot continuous rolling device for an economical duplex stainless steel plate with high formability according to claim 1, characterized in that The rough rolling mechanism comprises a rack, a roller and a third motor, the roller is arranged in a pair and symmetrically arranged, and the roller is rotationally connected with the rack at both ends through a rotating shaft; the third motor is fixed on the rack, and the third motor shaft is connected with the end of the roller rotating shaft to provide power for the rotation of the roller.

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