CN112058909B - Low-energy-consumption cold rolling annealing equipment and cold rolling annealing process - Google Patents
Low-energy-consumption cold rolling annealing equipment and cold rolling annealing process Download PDFInfo
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- CN112058909B CN112058909B CN202010635464.5A CN202010635464A CN112058909B CN 112058909 B CN112058909 B CN 112058909B CN 202010635464 A CN202010635464 A CN 202010635464A CN 112058909 B CN112058909 B CN 112058909B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B29/00—Counter-pressure devices acting on rolls to inhibit deflection of same under load, e.g. backing rolls ; Roll bending devices, e.g. hydraulic actuators acting on roll shaft ends
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/14—Guiding, positioning or aligning work
- B21B39/16—Guiding, positioning or aligning work immediately before entering or after leaving the pass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0239—Lubricating
- B21B45/0245—Lubricating devices
- B21B45/0248—Lubricating devices using liquid lubricants, e.g. for sections, for tubes
- B21B45/0251—Lubricating devices using liquid lubricants, e.g. for sections, for tubes for strips, sheets, or plates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0269—Cleaning
- B21B45/0275—Cleaning devices
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0236—Cold rolling
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B2001/221—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length by cold-rolling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
- B21B2013/025—Quarto, four-high stands
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- Materials Engineering (AREA)
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- Heat Treatment Of Articles (AREA)
Abstract
The invention relates to a cold rolling and annealing device with low energy consumption, which comprises a main body platform, a guide device which is arranged on the main body platform and used for guiding and conveying steel, an oil spraying device which is arranged on the main body platform and used for spraying rolling oil on the surface of the steel, a cold rolling device which is arranged on the main body platform and used for cold rolling the steel, and a natural gas annealing furnace which is arranged on the side edge of the main body platform and used for annealing the steel, wherein the cold rolling device comprises two vertical plates which are arranged on the upper part of the main body platform and parallel to the length direction of the steel, a roller groove which is arranged on the upper surface of the main body platform, a lower supporting roller and a lower working roller which are arranged in the roller groove and mutually abutted, an upper supporting roller and an upper working roller which are arranged between the two vertical plates and mutually abutted against each other, the upper working roller is abutted against the upper surface of the steel, the lower working roller is abutted against the lower surface of the steel, and the upper working roller and the lower supporting roller are provided for abutting and supporting the lower working roller through the upper supporting roller, the cold rolling quality of steel is improved.
Description
Technical Field
The invention relates to the technical field of production and manufacturing of cold-rolled steel coils, in particular to cold-rolling annealing equipment with low energy consumption and a cold-rolling annealing process.
Background
The cold-rolled steel coil is generally subjected to acid cleaning, an oxide film on the surface of a steel material is removed, then the steel material is subjected to cold rolling, so that the steel material is stressed and compressed to generate deformation, the thickness is reduced, the length is increased, then the steel material is annealed, the plasticity of the steel material is restored, the deformation resistance of the steel material is reduced, then the final treatment process of the product is carried out through a series of inspection, shearing, straightening, printing and classified packaging, and in view of energy conservation, a natural gas annealing furnace is used for carrying out annealing treatment on the steel material in the existing production line of the cold-rolled steel coil.
The utility model provides a current novel cold rolling strip steel apparatus for producing of integration, notice number is CN208275949U, including equipment principal and cold rolling mill, one side of equipment principal is provided with the pickling bath, at first through combining together multiple independent equipment, the equipment of integration has been assembled, but control to fill the work that the coating leveled the belted steel surface to it through height-adjusting's leveling device, and the water that the temperature rose after the heat absorption when annealing stage, can get into the cavity interlayer inside in the pickling bath through the honeycomb duct, guarantee the temperature in pond in the pickling, and simultaneously, the pipeline that can save emollient in advance according to certain speed seepage emollient has been designed into to lubricated room, can control emollient and scribble belted full strip steel, heating base has been erect bottom the cavity interlayer, can control the temperature department of pickling bath at a fixed scope.
In view of the above-mentioned related art, the inventors consider that there is a defect that the first cold rolling roll and the second cold rolling roll are easy to bend during a long-time cold rolling operation, and then the strip steel is subjected to uneven cold rolling, which affects the cold rolling quality of the strip steel.
Disclosure of Invention
In order to improve the cold rolling quality of steel, the cold rolling annealing equipment and the cold rolling annealing process with low energy consumption are provided.
In a first aspect, the low-energy-consumption cold rolling annealing equipment provided by the application adopts the following technical scheme:
a cold rolling and annealing device with low energy consumption comprises a main body platform, a guide device which is arranged on the main body platform and guides and conveys steel, an oil spraying device which is arranged on the main body platform and sprays rolling oil on the surface of the steel, a cold rolling device which is arranged on the main body platform and performs cold rolling on the steel, and a natural gas annealing furnace which is arranged on the side edge of the main body platform and can anneal the steel, wherein the cold rolling device comprises two vertical plates which are arranged on the upper part of the main body platform and are parallel to the length direction of the steel, a roller groove which is arranged on the upper surface of the main body platform, a lower supporting roller and a lower working roller which are arranged in the roller groove and are mutually abutted, an upper supporting roller and an upper working roller which are arranged between the two vertical plates and are mutually abutted, the upper working roller is abutted against the upper surface of the steel, the lower working roller is abutted against the lower surface of the steel, and a roller changing mechanism which can drive the lower supporting roller and the lower working roller to move out of the roller groove so as to be changed is arranged in the roller groove, the vertical plate is provided with a roll distance adjusting mechanism which drives the upper supporting roll and the upper working roll to move along the vertical direction, the length direction of the roll groove is parallel to the width direction of steel, one end of the length direction of the roll groove penetrates through the vertical side wall of the main body platform, the roll changing mechanism comprises two slide rails which are fixedly connected with the bottom surface of the roll groove and the length direction of which is parallel to the length direction of the roll groove, a roll changing flat bar which is connected with the two slide rails in a sliding manner along the length direction of the roll groove, two roll changing vertical bars which are respectively and fixedly connected with the two ends of the length direction of the roll changing flat bar, the vertical side surface of each roll changing vertical bar far away from the other roll changing vertical bar is fixedly connected with a butt block, the upper part of the roll groove is provided with a butt block groove for the butt block positioned in the roll groove to slide along the width direction of the steel along the width direction, a plurality of fixed screws which are in threaded connection with the main body platform are penetrated by the butt block exposing the main body platform, and the butt block is wider than the roll groove, the length direction two ends of the lower working roll are respectively and rotatably connected with two vertical roll changing rods, the roll spacing adjusting mechanism comprises two adjusting grooves which are respectively arranged on the close side surfaces of two vertical plates along the vertical direction, two adjusting blocks which are respectively and slidably connected with the two adjusting grooves along the vertical direction, two adjusting screws which are respectively and threadedly connected with the two adjusting blocks, and a screw rotating component which is arranged on the vertical plates and drives the two adjusting screws to synchronously rotate, the length direction two ends of the upper working roll are respectively and rotatably connected with the two adjusting blocks, the screw rotating component comprises screw gears which are respectively and coaxially and fixedly connected with the upper end parts of the two adjusting screws exposed out of the vertical plates, a motor plate which is fixedly connected with the upper parts of the two vertical plates, a screw motor arranged on the motor plate, and motor gears which are coaxially and fixedly connected with the output shaft of the screw motor and can be meshed with the two screw gears, and the two adjusting blocks are respectively provided with an upper abutting groove along the vertical direction, support tight groove on two and have and support tight piece along the equal sliding connection of vertical direction, two regulating block upper portions all are equipped with power pole fixed connection and support tight hydro-cylinder on the tight piece on close, it rotates respectively to connect in two and support tight piece on to go up bearing roller length direction both ends, two roll montants of trading all have seted up down along vertical direction and support tight groove, support tight piece under two support tight groove along the equal sliding connection of vertical direction, two roll montant bottom departments of trading all are equipped with power pole fixed connection and support tight hydro-cylinder under the tight piece under close, bottom suspension runner length direction both ends rotate respectively and connect in two and support tight pieces under.
By adopting the technical scheme, when steel enters between the upper working roll and the lower working roll, the upper supporting roll and the lower supporting roll respectively play a role of supporting the upper working roll and the lower working roll, so that the upper working roll and the lower working roll are not easy to bend in the process of cold rolling the steel for a long time, the cold rolling quality of the steel is greatly influenced, meanwhile, the energy consumed in the annealing treatment is further reduced by using the natural gas annealing furnace, the roll changing flat rod can be moved out along the width direction of the steel by taking down the fixing screw, so that the lower supporting roll and the lower working roll are exposed out of the main body platform, the inconvenience caused by the roll changing work of the lower supporting roll and the lower working roll in the roll groove can be avoided to a certain degree, meanwhile, the abutting block positioned in the roll groove can prevent the roll changing flat rod from completely separating from the slide rail, and two adjusting screws can respectively drive the two adjusting blocks to move along the vertical direction, the upper working roll is driven to stably move along the vertical direction, when the screw rotating assembly cannot normally work, the adjusting screw can also ensure that the upper working roll cannot randomly move along the vertical direction by means of the screw threads of the adjusting screw, the space between the upper working roll and the lower working roll is stable in the cold rolling process, the cold rolling quality is promoted, the motor gear is driven to rotate by the screw motor, two screw gears are driven to synchronously rotate, two adjusting screws can stably and synchronously rotate by the same screw motor, two adjusting blocks can stably move along the vertical direction, and meanwhile, when steel initially enters the space between the upper working roll and the lower working roll, the upper working roll can stably press down to cause primary cold rolling deformation to the steel by the connection between the motor gear and the screw gears, the upper supporting roll is tightly supported on the upper working roll under the driving of the tight supporting oil cylinder, the lower supporting roll is tightly supported on the lower working roll under the action of the tight supporting oil cylinder, gaps cannot be easily generated between the upper supporting roll and the upper working roll and between the lower supporting roll and the lower working roll, and the steel cannot be displaced when the upper working roll or the lower working roll bears large impact through the gaps between the upper working roll and the lower working roll, so that the service life of the whole equipment is shortened.
Preferably, the guide and guard device comprises two guide and guard blocks arranged on the upper surface of the main body table, a fine adjustment block is arranged on the side surface of each guide and guard block close to the other guide and guard block, a group of guide and guard wheels are rotatably connected to the side surface of each fine adjustment block close to the other fine adjustment block, a driving groove is formed in the upper surface of the main body table along the width direction of the steel, screw cylinders are fixedly connected to the lower surfaces of the two guide and guard blocks, two screw cylinders are in threaded connection with two-way screws, an output shaft is coaxially and fixedly connected to a guide and guard block motor at one end of the two-way screw exposed out of the main body table, a guide and guard wheel fine adjustment mechanism which enables the fine adjustment block to move along the width direction of the steel is arranged on the guide and guard block, two guide and guard wheels in each group are arranged at the same height, the two guide and guard wheels in the same group can be abutted against a vertical side surface in the length direction of the steel, the screw threads on two sides of the central point of the part of the two-way screw rods in the driving groove are opposite in the direction, the distance between the two screw cylinders and the center point of the part of the bidirectional screw rod positioned in the driving groove is equal.
Through adopting above-mentioned technical scheme, start and lead and defend a motor and drive two-way screw rod and rotate, then can drive two and lead and defend the piece and carry out the phase shift along steel width direction for two sets of leads and defend the wheel and can press from both sides the vertical side of two length directions of pressing from both sides in different width steels better, also can adjust the lead and defend the wheel and to take place the deformation in the steel in the in-process that steel can stably carry yet.
Preferably, the fine adjustment mechanism of the guide and guard wheel comprises two fine adjustment block grooves which are respectively arranged on the close side surfaces of the two guide and guard blocks, the length direction of the fine adjustment block grooves is parallel to the width direction of the steel, an insertion rod which is fixedly connected with one end of the fine adjustment block positioned in the fine adjustment block grooves, the length direction of the insertion rod is parallel to the length direction of the fine adjustment block grooves, a sleeve which is fixedly connected with the inner wall of the fine adjustment block grooves and coaxially sleeved on the insertion rod, a circular sheet which is fixedly connected with one end of the insertion rod positioned in the sleeve and is slidably connected with the inner wall of the sleeve along the length direction of the sleeve, a circular sheet which is fixedly connected with one end of an opening of the sleeve and is abutted against the circular sheet, and a fine adjustment spring which is sleeved on the outer wall of the sleeve, and two ends of which are respectively abutted against the fine adjustment block grooves and the fine adjustment block.
Through adopting above-mentioned technical scheme, make the manufacturing that is stained with debris or steel itself at the vertical side of two length direction of steel accurate enough and make a certain department of steel take place the change of width, enter into between two sets of guide wheels this moment, can promote the fine setting spring and carry out the compression of certain degree, avoid leading the guide wheel and probably producing steel compression deformation, influence the quality of steel, looks butt between disk and the ring piece simultaneously, make the fine setting piece can not break away from in the fine setting piece groove completely, the disk is when the butt in sheathed tube bottom surface simultaneously, make the interval between two sets of guide wheels can not continue to take place the change, make the transmission direction of steel can not receive great influence, make steel can be by comparatively stable conveying.
Preferably, fueling injection equipment is including offering the oil groove that is the slope in main part bench surface and bottom surface, fixed connection is located oil groove department and supplies the oil spout frame that steel wore to establish in the main part platform, evenly locate the upper surface of oil spout frame and the several shower nozzle of lower surface department respectively, locate the main part platform side and be close to the batch oil tank in the side department that the oil groove height is low, both ends communicate respectively in the oil return pipe of oil groove and batch oil tank, locate the main part bench and can go into the rolling oil pump in the batch oil tank to the oil pump of each shower nozzle, locate on the oil return pipe and can carry out filterable filter screen to the rolling oil that flows back to in the batch oil tank.
Through adopting above-mentioned technical scheme, the shower nozzle can carry out the upper surface and the lower surface of steel and carry out the more rolling oil that sprays for even, then unnecessary rolling oil gathers along the bottom inclined plane of oil groove, it is linked together through returning oil pipe and batch oil tank and recycles, some impurity that the filter screen can take in the rolling oil in the oil groove carries out certain degree simultaneously and filter, it is comparatively clean to make the rolling oil that enters into in the batch oil tank as far as possible, help prolonging the life of oil pump, also can promote the purity of the rolling oil that sprays to the steel surface simultaneously.
Preferably, the main part platform is located oil groove top department and follows the steel moving direction and is located the rear fixedly connected with air-out frame of oil spout frame, and on the air-out frame was worn to locate by steel, the upper portion and the lower part of air-out frame all seted up and are the slope and towards the air-out longeron on steel surface, and air-out longeron length is greater than the width of steel, and the main part platform is equipped with the high pressure positive blower that can send into highly-compressed air in the air-out frame.
Through adopting above-mentioned technical scheme for high pressure positive blower sends into highly-compressed air in to the air-out frame, then highly-compressed air spouts from the air-out long mouthful, blows towards steel opposite direction's position department and down flows to the oil groove with the unnecessary rolling oil in steel surface and carries out recycling, practices thrift the use of rolling oil, does not have too much rolling oil in the steel surface simultaneously yet, makes subsequent equipment can be infected with more rolling oil, needs to wash more frequently.
In a second aspect, the cold rolling annealing process provided by the application adopts the following technical scheme:
a cold rolling annealing process uses the low-energy-consumption cold rolling annealing equipment, and specifically comprises the following steps:
step 4, cold rolling the steel between the upper working roll and the lower working roll;
and 5, cleaning the steel subjected to cold rolling and sending the steel into a natural gas annealing furnace for annealing treatment.
Through adopting above-mentioned technical scheme for carrying out abluent in-process to accomplishing cold rolled steel, the temperature control of cleaner is at a higher temperature, then can promote the temperature of steel in advance, can make steel heat time shorten in the natural gas annealing stove, can reduce steel annealing required time to a certain extent.
In summary, the invention includes at least one of the following beneficial technical effects:
when steel enters between the upper working roll and the lower working roll, the upper supporting roll and the lower supporting roll can respectively support the upper working roll and the lower working roll, so that the upper working roll and the lower working roll are not easy to bend in the process of cold rolling the steel for a long time, the cold rolling quality of the steel is greatly influenced, and meanwhile, the energy to be consumed in the annealing treatment is further reduced by using the natural gas annealing furnace;
in the process of cleaning the steel after cold rolling, the temperature of the cleaning agent is controlled at a higher temperature, so that the temperature of the steel can be raised in advance, the heating time of the steel in the natural gas annealing furnace can be shortened, and the time required by steel annealing can be reduced to a certain extent.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic diagram of the main structure of the guide and guard device and the oil spout device and the internal structure of a guide block in vertical section;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a schematic view of another perspective of the fuel injection device and a vertical cross-sectional structure of the bottom of the air outlet frame;
FIG. 5 is a schematic view of the structure of a vertical side section of a main body stand at a cold rolling device;
FIG. 6 is a schematic view of the cold rolling apparatus with the lower work roll removed to show the abutment block groove.
In the figure, 1, a main body table; 11. a wafer; 12. a ring piece; 13. finely adjusting the spring; 14. an oil sump; 15. an oil injection frame; 16. a spray head; 17. an oil storage tank; 18. an oil return pipe; 19. an oil pump; 2. a guide and guard device; 21. a guide block; 22. fine tuning blocks; 23. a guide wheel; 24. a driving groove; 25. a screw cylinder; 26. a bidirectional screw; 27. a guide block motor; 28. inserting a rod; 29. a sleeve; 3. an oil injection device; 31. a screw motor; 32. a motor gear; 33. an upper abutting groove; 34. an upper abutting block; 35. an upper abutting oil cylinder; 36. a lower abutting groove; 37. a lower abutting block; 38. fine tuning block grooves; 39. a lower abutting oil cylinder; 4. a cold rolling device; 41. roller changing vertical rods; 42. a butting block; 43. fixing screws; 44. an adjusting block; 45. an adjustment groove; 46. adjusting the screw rod; 47. a butt block groove; 48. a screw gear; 49. a motor plate; 5. a natural gas annealing furnace; 51. a vertical plate; 53. a roller groove; 54. a lower support roll; 55. a lower working roll; 56. an upper supporting roll; 57. an upper work roll; 58. roll changing and leveling; 59. a slide rail; 6. filtering with a screen; 61. an air outlet frame; 62. a long air outlet; 63. a high pressure fan; 64. prevent touching the groove.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The embodiment of the application discloses cold rolling annealing equipment of low energy consumption, refer to fig. 1, including length direction is on a parallel with steel length direction's main part platform 1, steel moves along self length direction, main part platform 1 is installed in proper order from first to last along steel moving direction and is carried out the guide and guard device 2 of directional conveying to steel, the fueling injection equipment 3 of spraying rolling oil to the steel surface, carry out cold rolling device 4 to steel, main part platform 1 is installed in the rear department of following steel moving direction and is carried out annealing treatment's natural gas annealing stove 5 to steel, natural gas annealing stove 5 is the existing equipment in this field, the no longer repeated description.
Referring to fig. 2 and 3, the guiding and guarding device 2 includes a driving groove 24 provided on the upper surface of the main body table 1 along the width direction of the main body table 1, a two-way screw 26 whose length direction is parallel to the length direction of the driving groove 24 is rotatably connected in the driving groove 24, the thread directions of two sides of the central point of the two-way screw 26 in the driving groove 24 are opposite, the vertical outer wall of the main body table 1 is fixedly connected with a guiding and guarding block motor 27 whose output shaft is coaxially and fixedly connected with one end of the two-way screw 26 exposed out of the vertical outer wall of the main body table 1, two equidistant sides of the central point of the two-way screw 26 in the driving groove 24 are both threadedly connected with a screw barrel 25, the upper parts of the two screw barrels 25 are both fixedly connected with a guiding and guarding block 21 slidably connected to the upper surface of the main body table 1 along the width direction of the main body table 1, the adjacent vertical side surfaces of the two guiding and guarding blocks 21 are both provided with a fine tuning block groove 38 along the width direction of the main body table 1, two trimming block grooves 38 are both connected with a trimming block 22 in a sliding way along the length direction of the trimming block grooves, the adjacent vertical side surfaces of the two trimming blocks 22 are fixedly connected with a group of guide wheels 23, each group of guide wheels 23 is provided with two guide wheels 23 with the same group and the same height, the end surfaces of the guide wheels 23 are horizontal, the two guide wheels 23 with the same group are arranged in sequence along the length direction of the main body table 1, a guide wheel trimming mechanism capable of enabling the trimming block 22 to move to a certain degree along the length direction of the trimming block grooves 38 is arranged in the trimming block grooves 38, the guide wheel trimming mechanism comprises an inserting rod 28 fixedly connected with one end of the trimming block 22 in the trimming block grooves 38, the length direction of the inserting rod 28 is parallel to the length direction of the trimming block grooves 38, the vertical bottom surfaces of the trimming block grooves 38 are fixedly connected with a sleeve 29 coaxially sleeved on the inserting rod 28, the opening of the sleeve 29 deviating from the vertical bottom surfaces of the trimming block grooves 38 is coaxially and fixedly connected with a circular ring piece 12, the outer wall of the inserted link 28 is connected to the inner wall of the circular ring piece 12 in a sliding manner along the length direction of the inserted link 28, one end of the inserted link 28, which is located in the sleeve 29, is coaxially and fixedly connected with the wafer 11 which can abut against the vertical side surface of the circular ring piece 12, the wafer 11 is connected to the inner wall of the sleeve 29 in a sliding manner along the length direction of the sleeve 29, and the outer wall of the sleeve 29 is sleeved with the fine adjustment spring 13, two ends of which abut against the vertical bottom surface of the fine adjustment block groove 38 and the vertical side surface of the inserted link 28, which is arranged on the fine adjustment block 22, respectively.
Referring to fig. 2 and 4, the oil spraying device 3 includes an oil groove 14 provided on the upper surface of the main body table 1, the bottom surface of the oil groove 14 is inclined, the side direction of the lowest bottom surface of the oil groove 14 is parallel to the length direction of the main body table 1, the main body table 1 is fixedly connected to an oil spraying frame 15 which is vertical and has an end surface parallel to the end surface of the main body table 1 in the length direction, the steel material passes through the inside of the oil spraying frame 15 in the length direction, the upper surface and the lower surface of the inner wall of the oil spraying frame 15 are both uniformly communicated with a plurality of spray heads 16, the spray head 16 located on the upper surface of the inner wall of the oil spraying frame 15 faces the upper surface of the steel material and the spray head 16 located on the lower surface of the inner wall of the oil spraying frame 15 faces the lower surface of the steel material, an oil return pipe 18 is installed on the vertical side surface of the side of the main body table 1 close to the lowest bottom surface of the oil groove 14, one end of the oil return pipe 18 is communicated with an oil storage tank 17 located on the side of the main body table 1, the oil return pipe 18 is communicated with the inner wall of the upper part of the oil storage tank 17, the opening of one end of the oil return pipe 18 facing the oil storage tank 14 is fixedly connected with a filter screen 6 which can filter the rolling oil flowing into the oil storage tank 17 from the oil storage tank 14 to a certain degree, the vertical side surface of the main body platform 1 close to the oil storage tank 17 is fixedly connected with an oil pump 19 which can pump the rolling oil in the oil storage tank 17 into the oil spraying frame 15 so that the spray head 16 can spray the rolling oil to the steel, the air outlet frame 61 with the end surface aligned with the end surface of the oil spraying frame 15 is fixedly connected with the main body platform 1 at the opening of the oil storage tank 14, the air outlet frame 61 is positioned behind the oil spraying frame 15 in conformity with the moving direction of the steel, the upper surface and the lower surface of the inner wall of the air outlet frame 61 are both provided with air outlet long openings 62 with the length direction parallel to the width direction of the main body platform 1, the length of the long air outlet openings 62 are larger than the width of the steel, the opening direction of the long air outlet openings 62 is inclined, the air outlet long mouth 62 that is located air-out frame 61 inner wall upper surface gets into the upper surface department of air-out frame 61 one side towards steel, and the air outlet long mouth 62 that is located air-out frame 61 inner wall lower surface gets into the lower surface department of air-out frame 61 one side towards steel, and the vertical outer wall department fixedly connected with of main part platform 1 can send into highly-compressed air to making air outlet long mouth 62 towards steel surface blowout highly-compressed air's high pressure positive blower 63 in air-out frame 61, and high pressure positive blower 63 air supply is the air through dry filtration treatment.
Referring to fig. 5 and 6, the cold rolling device 4 includes two vertical plates 51 fixedly connected to the upper surface of the main body table 1 and having a length direction parallel to the length direction of the main body table 1, a roller groove 53 having a length direction parallel to the width direction of the main body table 1 is formed between the two vertical plates 51 on the upper surface of the main body table 1, the length of the bottom surface of the vertical plate 51 is longer than the width of the roller groove 53, one end of the roller groove 53 in the length direction penetrates through the vertical outer wall of the main body table 1, a lower backup roller 54 and a lower work roller 55 having a length direction parallel to the width direction of the main body table 1 and abutting against each other are installed in the roller groove 53, the lower work roller 55 abuts against the lower surface of the steel, the diameter of the lower backup roller 54 is larger than that of the lower work roller 55, the lower backup roller 54 is located right below the lower work roller 55, the upper portion of the lower work roller 55 is exposed out of the upper opening of the roller groove 53, a touch preventing groove 64 for the lower portion of the roller groove 53 through which is formed at the bottom of the vertical plate 51 near the vertical opening of the roller groove 53, the roll groove 53 is provided with a roll changing mechanism which can enable the lower supporting roll 54 and the lower working roll 55 to move out of the main body platform 1 so as to change the lower supporting roll 54 and the lower working roll 55, the roll changing mechanism comprises two sliding rails 59 (shown by combining figure 1) which are fixedly connected with the lower surface of the roll groove 53 along the length direction of the roll groove 53 and are parallel, the vertical section of the width direction of the sliding rails 59 is in a T shape, the two sliding rails 59 are connected with a roll changing flat rod 58 along the length direction thereof in a sliding way, both ends of the length direction of the roll changing flat rod 58 are fixedly connected with roll changing vertical rods 41, both ends of the length direction of the lower working roll 55 are respectively connected with the adjacent vertical side surfaces of the two roll changing vertical rods 41 in a rotating way, the adjacent vertical side surfaces of the two roll changing vertical rods 41 are respectively provided with lower abutting grooves 36 with T-shaped horizontal sections along the vertical direction, the two lower abutting grooves 36 are connected with lower abutting blocks 37 along the vertical direction in a sliding way, one vertical side surface of the lower abutting blocks 37 is exposed out of the lower abutting grooves 36, the two ends of the lower supporting roll 54 in the length direction are respectively and rotatably connected with the close vertical side surfaces of the two lower supporting blocks 37, the bottom parts of the two vertical roll changing rods 41 are respectively and fixedly connected with the lower supporting oil cylinders 39, the power rods of the two lower supporting oil cylinders 39 are respectively and fixedly connected with the lower surfaces of the two lower supporting blocks 37, the opposite two sides of the upper part of each vertical roll changing rod 41 are respectively and fixedly connected with the supporting blocks 42, the upper part of the inner wall of the roll groove 53 is provided with a supporting block groove 47 parallel to the width direction of the main body platform 1, the opposite two sides of the supporting blocks 42 in the roll groove 53 are respectively and slidably connected with the two supporting block grooves 47 along the width direction of the main body platform 1, when the roll-changing flat bar 58 completely enters the roll groove 53 and cannot move continuously, the abutting block 42 positioned outside the roll groove 53 abuts against the vertical outer wall of the main body table 1 in the length direction, the abutting block 42 which can abut against the vertical outer wall of the main body table 1 deviates from the vertical outer wall of the main body table 1, and a plurality of fixing screws 43 which are in threaded connection with the main body table 1 uniformly penetrate through the vertical outer wall.
Referring to fig. 5, an upper supporting roller 56 and an upper working roller 57 are mounted between two vertical plates 51, the length direction of which is parallel to the width direction of the main body table 1 and is abutted against the width direction of the main body table, the upper working roller 57 is positioned right above the lower working roller 55, the upper working roller 57 is abutted against the upper surface of the steel material, the diameter of the upper supporting roller 56 is larger than that of the upper working roller 57, the upper supporting roller 56 is positioned right below the upper working roller 57, the vertical plates 51 are provided with a roller distance adjusting mechanism capable of driving the upper supporting roller 56 and the upper working roller 57 to move along the vertical direction, the roller distance adjusting mechanism comprises two adjusting grooves 45 respectively opened on the close vertical sides of the two vertical plates 51 along the vertical direction, each adjusting groove 45 is connected with an adjusting block 44 along the vertical direction in a sliding manner, one vertical side of the adjusting block 44 is exposed out of the two adjusting grooves 45, the two ends of the upper working roller 57 in the length direction are respectively connected with the close vertical sides of the adjusting block 44 through threads, the two adjusting grooves 45 are rotatably connected with vertical adjusting screws 46, the two adjusting screws 46 are respectively in threaded connection with the two adjusting blocks 44, screw rotating assemblies capable of driving the two adjusting screws 46 to synchronously rotate are installed on the vertical plates 51, each screw rotating assembly comprises two screw gears 48 which are respectively and coaxially and fixedly connected to the two adjusting screws 46 and exposed out of the upper ends of the upper parts of the vertical plates 51 in a one-to-one correspondence manner, a horizontal motor plate 49 is fixedly connected to the upper parts of the two vertical plates 51, the upper surface of the motor plate 49 is fixedly connected with a screw motor 31, an output shaft of the screw motor 31 is coaxially and fixedly connected with motor gears 32 capable of being meshed with the two screw gears 48, the diameter of the motor gears 32 is smaller than that of the screw gears 48, upper abutting grooves 33 with T-shaped horizontal sections are formed in the vertical direction on the opposite vertical side surfaces of the upper parts of the two adjusting blocks 44, and upper abutting blocks 34 are slidably connected to the two upper abutting grooves 33 in the vertical direction, the two ends of the length direction of the upper supporting roller 56 are respectively and rotatably connected to the close vertical side faces of the two upper supporting blocks 34, one vertical side wall of each upper supporting block 34 is exposed out of the upper supporting groove 33, the upper parts of the two adjusting blocks 44 are respectively and fixedly connected with the upper supporting oil cylinders 35, the bottom ends of the power rods of the two upper supporting oil cylinders 35 are respectively and fixedly connected to the upper surfaces of the two upper supporting blocks 34, and the width of steel is smaller than the lengths of the upper supporting roller 56 and the lower supporting roller 54.
The low-energy-consumption cold rolling annealing equipment of the embodiment of the application has the implementation principle that: the steel passes through between two sets of guide wheels 23, start screw motor 31 for two sets of guide wheels 23 correspond respectively and support tightly in the vertical side of two length direction of steel, then steel passes oil spout frame 15 and makes the surface sprayed rolling oil, again through air-out frame 61, make the steel surface not have too much rolling oil, steel reentrants carries out cold rolling between last work roll 57 and the lower work roll 55, then steel washs again and gets into and carries out annealing in the natural gas annealing stove 5.
The embodiment of the application also discloses a cold rolling annealing process, which specifically comprises the following steps:
step 4, the steel enters between the upper working roll 57 and the lower working roll 55 to be cold-rolled;
step 5, cleaning the cold-rolled steel by using a special cleaning agent before annealing, and simultaneously controlling the temperature of the cleaning agent to be 90-100 ℃;
and 6, annealing the steel in a natural gas annealing furnace 5.
The implementation principle of the cold rolling annealing process in the embodiment of the application is as follows: use higher temperature's cleaner to wash steel earlier before annealing makes steel possess certain temperature, reduces steel in the required time of annealing in-process, helps promoting annealing efficiency to a certain extent.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (6)
1. The utility model provides a cold rolling annealing equipment of low energy consumption, including main part platform (1), locate on main part platform (1) and to steel guide and guard device (2) that lead the conveying, locate on main part platform (1) and to steel surface spray oil jet equipment (3) of rolling oil, locate on main part platform (1) and to steel carry out cold rolling device (4), locate main part platform (1) side and can carry out annealing treatment's natural gas annealing stove (5) to steel, its characterized in that: the cold rolling device (4) comprises two vertical plates (51) which are arranged on the upper part of a main body platform (1) and are parallel to the length direction of steel, a roller groove (53) which is arranged on the upper surface of the main body platform (1), a lower supporting roller (54) and a lower working roller (55) which are arranged in the roller groove (53) and are mutually abutted, an upper supporting roller (56) and an upper working roller (57) which are arranged between the two vertical plates (51) and are mutually abutted, the upper working roller (57) is abutted on the upper surface of the steel, the lower working roller (55) is abutted on the lower surface of the steel, a roller changing mechanism which can drive the lower supporting roller (54) and the lower working roller (55) to move out of the roller groove (53) so as to be replaced is arranged in the roller groove (53), the vertical plates (51) are provided with a roller spacing adjusting mechanism which drives the upper supporting roller (56) and the upper working roller (57) to move along the vertical direction, the length direction of the roller groove (53) is parallel to the width direction of the steel, one end of the roller groove (53) in the length direction penetrates through the vertical side wall of the main body platform (1), the roller changing mechanism comprises two slide rails (59) which are fixedly connected to the bottom surface of the roller groove (53) and the length direction of which is parallel to the length direction of the roller groove (53), a roller changing flat rod (58) which is connected to the two slide rails (59) in the length direction of the roller groove (53) in a sliding manner, two roller changing vertical rods (41) which are respectively fixedly connected to the two ends of the roller changing flat rod (58) in the length direction, a butt joint block (42) is fixedly connected to the vertical side surface of each roller changing vertical rod (41) far away from the other roller changing vertical rod (41), a butt joint block groove (47) for enabling one butt joint block (42) positioned in the roller groove (53) to slide in the steel width direction is formed in the upper portion of the roller groove (53) in the steel width direction, a plurality of fixing screws (43) which are connected to the main body platform (1) in a threaded manner penetrate through the butt joint block (42) exposed out of the main body platform (1), butt joint piece (42) width is greater than roller groove (53) width, and lower working roll (55) length direction both ends rotate respectively to be connected in two roller change montants (41), roll spacing adjustment mechanism includes along vertical direction set up respectively in two adjustment tank (45) of two riser (51) close sides, along vertical direction respectively sliding connection in two adjustment tank (45) two piece regulation block (44), respectively threaded connection in two adjusting screw (46) of two piece regulation block (44), locate riser (51) and drive two adjusting screw (46) synchronous pivoted screw rod runner assembly, go up working roll (57) length direction both ends and rotate respectively and connect in two piece regulation block (44), screw rod runner assembly exposes screw rod gear (48) of riser (51) upper portion tip, fixed connection in two motor board (49) on riser (51) upper portion including coaxial fixed connection respectively in two adjusting screw (46), screw rod runner assembly, The device comprises a screw motor (31) arranged on a motor plate (49), motor gears (32) which are coaxially and fixedly connected with an output shaft of the screw motor (31) and can be meshed with two screw gears (48), upper abutting grooves (33) are formed in two adjusting blocks (44) along the vertical direction, upper abutting blocks (34) are connected to the two upper abutting grooves (33) along the vertical direction in a sliding manner, power rods are arranged on the upper portions of the two adjusting blocks (44) and fixedly connected to upper abutting oil cylinders (35) of the adjacent upper abutting blocks (34), two ends of an upper supporting roller (56) in the length direction are respectively connected to the two upper abutting blocks (34) in a rotating manner, lower abutting grooves (36) are formed in two roller changing vertical rods (41) along the vertical direction, lower abutting blocks (37) are connected to the two lower abutting grooves (36) along the vertical direction in a sliding manner, lower abutting oil cylinders (39) of the power rods fixedly connected to the adjacent lower abutting blocks (37) are arranged at the bottom of the two roller changing vertical rods (41), the two ends of the lower supporting roller (54) in the length direction are respectively and rotatably connected with the two lower supporting blocks (37).
2. A low energy consumption cold rolling annealing equipment according to claim 1, characterized in that: the guide and guard device (2) comprises two guide and guard blocks (21) arranged on the upper surface of a main body table (1), the side surface of each guide and guard block (21) close to another guide and guard block (21) is provided with a fine adjustment block (22), the side surface of each fine adjustment block (22) close to another fine adjustment block (22) is rotatably connected with a group of guide and guard wheels (23), the upper surface of the main body table (1) is provided with a driving groove (24) along the width direction of steel, the lower surfaces of the two guide and guard blocks (21) are fixedly connected with screw cylinders (25), the two screw cylinders (25) are in threaded connection with a bidirectional screw (26), the outer wall of the main body table (1) is provided with a guide and guard block motor (27) of which the output shaft is coaxially and fixedly connected with one end of the bidirectional screw (26) exposed out of the main body table (1), the guide and guard blocks (21) are provided with guide and guard wheel fine adjustment mechanisms which enable the fine adjustment blocks (22) to move along the width direction of the steel, and two guide and guard wheels (23) are arranged at the same height, the two guide wheels (23) in the same group can be abutted against a vertical side face in the length direction of steel, the two-way screw (26) is positioned on two sides of the central point of the part in the driving groove (24) and has opposite thread directions, and the distance between the central points of the two screw cylinders (25) and the two-way screw (26) in the part in the driving groove (24) is equal.
3. A low energy consumption cold rolling annealing apparatus according to claim 2, wherein: the guide and guard wheel fine adjustment mechanism comprises two fine adjustment block grooves (38) which are respectively arranged on the close side surfaces of the two guide and guard blocks (21) and the length direction of which is parallel to the width direction of the steel, an insertion rod (28) which is fixedly connected with one end of the fine adjustment block (22) positioned in the fine adjustment block groove (38) and the length direction of which is parallel to the length direction of the fine adjustment block groove (38), and a sleeve (29) which is fixedly connected with the inner wall of the fine adjustment block groove (38) and coaxially sleeved on the insertion rod (28), the fine adjustment spring comprises a circular sheet (11) which is fixedly connected to one end of an inserted rod (28) in a sleeve (29) and is connected to the inner wall of the sleeve (29) in a sliding mode along the length direction of the sleeve (29), a circular sheet (12) which is fixedly connected to one end of an opening of the sleeve (29) and abuts against the circular sheet (11), and a fine adjustment spring (13) which is sleeved on the outer wall of the sleeve (29) and two ends of which abut against a fine adjustment block groove (38) and a fine adjustment block (22) respectively.
4. A low energy consumption cold rolling annealing equipment according to claim 3, characterized in that: oil spout device (3) are oil groove (14) of slope including seting up in main part platform (1) upper surface and bottom surface, fixed connection is located oil groove (14) department and supplies oil spout frame (15) that steel wore to establish in main part platform (1), evenly locate several shower nozzle (16) of the upper surface and the lower surface department of oil spout frame (15) respectively, locate main part platform (1) side and be close to oil storage tank (17) of oil groove (14) highly low side department, both ends communicate back to oil pipe (18) in oil groove (14) and oil storage tank (17) respectively, locate on main part platform (1) and can go into oil pump (19) to each shower nozzle (16) with the rolling oil pump in oil storage tank (17), locate back on oil pipe (18) and can carry out filterable filter screen (6) to the rolling oil that flows back to in oil storage tank (17).
5. The cold rolling annealing equipment with low energy consumption according to claim 4, characterized in that: main part platform (1) is located oil groove (14) top department and follows the rear department fixedly connected with air-out frame (61) that steel moving direction is located oil spout frame (15), and steel wears to locate on air-out frame (61), and air-out longeron (62) that are the slope and towards the steel surface are all seted up to the upper portion and the lower part of air-out frame (61), and air-out longeron (62) length is greater than the width of steel, and main part platform (1) is equipped with high pressure positive blower (63) that can send into highly-compressed air in to air-out frame (61).
6. A cold rolling annealing process is characterized in that: the low-energy consumption cold rolling annealing equipment of the claim 5 is used, and comprises the following steps:
step 1, passing steel between two groups of guide wheels (23), and starting a guide block motor (27) to enable the two groups of guide wheels (23) to abut against the vertical side face of the steel in the length direction respectively, and meanwhile, the wafer (11) cannot abut against the bottom face of the sleeve (29);
step 2, the steel penetrates through the oil spraying frame (15), and the spray head (16) sprays rolling oil to the upper surface and the lower surface of the steel under the action of the oil pump (19);
step 3, the steel penetrates through the air outlet frame (61), and the air outlet long opening (62) blows high-pressure air to the upper surface and the lower surface of the steel under the action of the high-pressure fan (63);
step 4, the steel enters between an upper working roll (57) and a lower working roll (55) to be subjected to cold rolling;
and 5, cleaning the cold-rolled steel and conveying the cold-rolled steel into a natural gas annealing furnace (5) for annealing treatment.
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| CN202010635464.5A CN112058909B (en) | 2020-07-03 | 2020-07-03 | Low-energy-consumption cold rolling annealing equipment and cold rolling annealing process |
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Effective date of registration: 20230330 Address after: 314300 No. 3889 Hangzhou Bay Avenue, Xitangqiao Street, Haiyan County, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Xiehe Shouxin Steel Co.,Ltd. Address before: 311200 Hongshan Farm, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG CONCORD SHEET SCIENCE AND TECHNOLOGY Co.,Ltd. |