CN112058909A - Low-energy-consumption cold rolling annealing equipment and cold rolling annealing process - Google Patents

Abstract

The invention relates to low-energy-consumption cold rolling and annealing equipment, which comprises a main body platform, a guide device, an oil spraying device, a cold rolling device and a natural gas annealing furnace, wherein the guide device is arranged on the main body platform and used for guiding and conveying steel, the oil spraying device is arranged on the main body platform and used for spraying rolling oil on the surface of the steel, the cold rolling device is arranged on the main body platform and used for cold rolling the steel, the natural gas annealing furnace is arranged on the side edge of the main body platform and used for annealing the steel, the cold rolling device comprises two vertical plates, a roller groove, a lower supporting roller and a lower working roller, the roller groove is arranged on the upper surface of the main body platform, the lower supporting roller and the lower working roller are arranged in the roller groove and mutually abutted, the upper supporting roller and the upper working roller are arranged between the two vertical plates and mutually abutted, the upper working roller is abutted to the upper surface of the steel, the lower working roller, the cold rolling quality of the steel is improved.

Description

Low-energy-consumption cold rolling annealing equipment and cold rolling annealing process

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 pickling to remove an oxide film on the surface of a steel material, then the steel material is subjected to cold rolling to be stressed and compressed to generate deformation, the thickness of the steel material is reduced, the length of the steel material is lengthened, then the steel material is annealed to recover the plasticity of the steel material and reduce the deformation resistance of the steel material, 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 in the existing production line of the cold-rolled steel coil to carry out annealing treatment on the steel material.

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 annealing device with low energy consumption comprises a main body platform, a guide device, an oil spraying device, a cold rolling device and a natural gas annealing furnace, wherein the guide device is arranged on the main body platform and used for guiding and conveying steel, the oil spraying device is arranged on the main body platform and used for spraying rolling oil on the surface of the steel, the cold rolling device is arranged on the main body platform and used for cold rolling the steel, the natural gas annealing furnace is arranged on the side edge of the main body platform and used for annealing the steel, the cold rolling device comprises two vertical plates, a roller groove, a lower supporting roller, a lower working roller, an upper supporting roller and an upper working roller, the two vertical plates are arranged on the upper portion of the main body platform and parallel to the length direction of the steel, the roller groove is formed in the upper surface of the main body platform, the lower supporting roller and the lower working roller are arranged in the roller groove and mutually abutted against each other, the upper supporting roller and the upper, the vertical plate is provided with a roller spacing adjusting mechanism which drives the upper supporting roller and the upper working roller to move along the vertical direction.

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 can respectively play a role in 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, and meanwhile, the energy to be consumed is further reduced in the annealing treatment due to the use of the natural gas annealing furnace.

Preferably, the length direction of the roller groove is parallel to the width direction of the steel, one end of the roller groove in the length direction penetrates through the vertical side wall of the main body platform, the roller changing mechanism comprises two slide rails fixedly connected to the bottom surface of the roller groove, the length direction of the two slide rails is parallel to the length direction of the roller groove, a roller changing flat bar slidably connected to the two slide rails in the length direction of the roller groove, two roller changing vertical bars fixedly connected to the two ends of the roller changing flat bar in the length direction respectively, fixed connection is in two piece butt piece of two roll-changing montants vertical side back respectively, along steel width direction set up on roller groove upper portion and supply to be located the gliding butt piece groove of steel width direction of a butt piece edge in roller groove, wear to locate the butt piece that can expose the main part platform and threaded connection in the several fixed screw of main part platform, butt piece width is greater than the roller groove width, and lower working roll length direction both ends rotate respectively to be connected in two roll-changing montants.

Through adopting above-mentioned technical scheme, take off the set screw, can shift out the roll change flat bar along the width direction of steel for bottom suspension runner and bottom working roll expose in the main part platform, make the inconvenience that produces the roll change during operation of bottom suspension runner and bottom working roll carry out in the roll slot and can carry out certain degree of avoidng, and the butt piece that is located the roll slot simultaneously can avoid the roll change flat bar to break away from in the slide rail completely.

Preferably, roll spacing adjustment mechanism includes along vertical direction respectively offer two adjustment tanks in two adjacent sides of riser, along vertical direction respectively sliding connection in two regulating blocks of two adjustment tanks, rotate respectively connect in two adjustment tanks and respectively threaded connection in two adjusting screw of two regulating blocks, locate the riser and drive two synchronous pivoted screw rod rotating assembly of adjusting screw rod, go up work roll length direction both ends and rotate respectively and connect in two regulating blocks.

Through adopting above-mentioned technical scheme for two adjusting screw can drive two regulating blocks respectively and remove along vertical direction, then drive the work roll and can carry out a stable removal along vertical direction, and when screw rod rotating assembly can't normally work, adjusting screw relies on the screw thread of self also to make the work roll can not follow vertical direction at will and remove, also can make the interval between the upper and lower work roll in cold rolling process comparatively stable, help the promotion of cold rolling quality.

Preferably, the screw rotating assembly comprises screw gears which are respectively and coaxially and fixedly connected to the upper end parts of the exposed vertical plates of the two adjusting screws, a motor plate which is fixedly connected to the upper parts of the two vertical plates, a screw motor which is arranged on the motor plate, and a motor gear which is coaxially and fixedly connected to an output shaft of the screw motor and can be meshed with the two screw gears.

Through adopting above-mentioned technical scheme, drive motor gear through screw motor and rotate, drive two screw gears then and carry out synchronous rotation, make two adjusting screw can stably receive the drive of same screw motor and carry out comparatively stable synchronous rotation, make two regulating blocks can carry out stable removal along vertical direction, connection between motor gear and the screw gear makes when steel originally gets into between supreme work roll and the lower work roll, it can stably push down and lead to the fact a preliminary cold rolling deformation to steel to go up the work roll simultaneously.

Preferably, two tight groove on the regulating block has all been seted up along vertical direction, support tight groove on two and have supported tight piece along the equal sliding connection of vertical direction, two regulating block upper portions all are equipped with power rod fixed connection and support tight hydro-cylinder on the tight piece on close, go up bearing roller length direction both ends and rotate respectively and connect in two and support tight piece, two roll-changing montants have all seted up down along vertical direction and support tight groove, support tight groove along vertical direction equal sliding connection has down and support tight piece under two, two roll-changing montant bottom departments all are equipped with power rod 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.

Through adopting above-mentioned technical scheme for go up the backing roll and support tightly in last working roll under the drive of last tight hydro-cylinder of supporting, the bottom suspension runner supports tightly in bottom suspension runner under the effect of tight hydro-cylinder of supporting down, further make between last backing roll and the last working roll and between bottom suspension runner and the bottom suspension runner can not produce the space easily, make steel can not make between last working roll and the bottom suspension runner to go up the working roll or the bottom suspension runner can take place the displacement under bearing great impact through last working roll, lead to the life-span of whole equipment to reduce.

Preferably, the guide and guard device comprises two guide and guard blocks arranged on the upper surface of the main body table, two fine adjustment blocks respectively arranged on the close side surfaces of the two guide and guard blocks, two groups of guide and guard wheels respectively and rotatably connected with the close side surfaces of the two fine adjustment blocks, a driving groove arranged on the upper surface of the main body table along the width direction of steel, screw cylinders respectively and fixedly connected with the lower surfaces of the two guide and guard blocks, two-way screw rods rotatably connected with the driving groove and in threaded connection with the two screw cylinders, a guide and guard block motor arranged on the outer wall of the main body table and having an output shaft coaxially and fixedly connected with one end of the two-way screw rod exposed out of the main body table, and a guide and guard wheel fine adjustment mechanism arranged on the guide and guard blocks and enabling the fine adjustment blocks to move along the width direction of the steel, wherein two guide and guard wheels of each group are arranged at the same height, the two guide and guard wheels of the same group can be, 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 guide wheel fine adjustment mechanism comprises two fine adjustment block grooves which are respectively arranged on the close side surfaces of the two guide blocks and the length direction of which 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 groove and the length direction of which is parallel to the length direction of the fine adjustment block groove, a sleeve which is fixedly connected with the inner wall of the fine adjustment block groove and coaxially sleeved on the insertion rod, a wafer 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 ring sheet which is fixedly connected with one end of an opening of the sleeve and is abutted against the wafer, and a fine adjustment spring which is sleeved on the outer.

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 seting up the oil groove that main part bench surface and bottom surface are the slope, 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 several shower nozzle of the upper surface and the lower surface department of oil spout frame respectively, locate 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 pipe that returns of oil groove and batch oil tank, locate the main part platform and can go into the rolling oil pump in the batch oil tank to the oil pump of each shower nozzle, locate back oil pipe and can carry out filterable filter screen to the rolling oil that flows back 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 the air-out frame is worn to locate by steel, and the air-out longeron that is the slope and faces the steel surface is all seted up to the upper portion and the lower part of air-out frame, 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-pending, blows and flows down to the oil groove and carry out recycling in the position department that steel moving direction is opposite with the unnecessary rolling oil on steel surface, practices thrift the use of rolling oil, and steel surface also does not have too much rolling oil simultaneously, 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 present application adopts the following technical scheme.

A cold rolling annealing process, using the low energy consumption cold rolling annealing equipment of claim 9, comprising the following steps:

step 1, passing steel between two groups of guide wheels, and starting a guide block motor to enable the two groups of guide wheels to be respectively abutted against the vertical side surface of the steel in the length direction, and meanwhile, the wafer cannot be abutted against the bottom surface of the sleeve;

step 2, penetrating the steel into an oil injection frame, and spraying rolling oil to the upper surface and the lower surface of the steel by a spray head under the action of an oil pump;

step 3, the steel penetrates through the air outlet frame, and the air outlet long opening blows high-pressure air to the upper surface and the lower surface of the steel under the action of the high-pressure fan;

step 4, cold rolling the steel between the upper working roll and the lower working roll;

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.

By adopting the technical scheme, the temperature of the cleaning agent is controlled at a higher temperature in the process of cleaning the steel subjected to cold rolling, so that the temperature of the steel can be increased 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.

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 respectively play a role in 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, and meanwhile, the energy consumption in the annealing treatment is further reduced by using the natural gas annealing furnace;

in the process of cleaning the steel subjected to 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 diagram of the main structure of the present invention;

FIG. 2 is a schematic diagram of the main structure of the pilot device and the oil injection device and the internal structure of a pilot 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. fine tuning 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 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. an abutment 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 roller; 57. an upper work roll; 58. roll changing flat bars; 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 forward, 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 that the steel carries out directional conveying, the fueling injection equipment 3 of rolling oil is sprayed to the steel surface, carry out cold rolling device 4 to steel, main part platform 1 follows the rear department of steel moving direction and installs the natural gas annealing stove 5 that can carry out annealing treatment to steel, natural gas annealing stove 5 is the existing equipment in this field, the event is no longer repeated.

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, 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, 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 fixedly connected with a wafer 11 which can abut against the vertical side face of the circular ring piece 12 in a coaxial manner, 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 a fine adjustment spring 13, two ends of which abut against the vertical bottom face of the fine adjustment block.

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, 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, 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, the roller groove 53 is provided with a roller changing mechanism which can enable the lower supporting roller 54 and the lower working roller 55 to move out of the main body platform 1 so as to change the lower supporting roller 54 and the lower working roller 55, the roller changing mechanism comprises two sliding rails 59 (shown in a combined drawing 1) which are fixedly connected with the lower surface of the roller groove 53 along the length direction of the roller groove 53 and are parallel, the vertical section of the sliding rails 59 along the width direction is in a T shape, the two sliding rails 59 are connected with the same roller changing flat rod 58 along the length direction thereof in a sliding way, both ends of the roller changing flat rod 58 along the length direction are fixedly connected with roller changing vertical rods 41, both ends of the lower working roller 55 along the length direction are respectively connected with the adjacent vertical side surfaces of the two roller changing vertical rods 41 in a rotating way, the adjacent vertical side surfaces of the two roller changing vertical rods 41 are respectively provided with lower abutting grooves 36 with T-shaped horizontal sections, the two lower abutting blocks 37 are connected with the lower abutting grooves 36 along the vertical direction in, 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, 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 is uniformly provided with a plurality of fixing screws 43 which are in threaded connection with the main body table 1.

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 a lower working roller 55, the upper working roller 57 is abutted against the upper surface of the steel, 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 spacing adjusting mechanism capable of driving the upper supporting roller 56 and the upper working roller 57 to move along the vertical direction, the roller spacing adjusting mechanism comprises two adjusting grooves 45 which are respectively arranged on the adjacent vertical sides of the two vertical plates 51 along the vertical direction in a one-to-one correspondence manner, each adjusting groove 45 is connected with an adjusting block 44 in a sliding manner along the vertical direction, one vertical side of the adjusting block 44 is exposed out of the adjusting groove 45, two, 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 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, a screw motor 31 is fixedly connected to the upper surface of the motor plate 49, 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, 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 1, passing the steel between two sets of guide wheels 23, and starting a guide block motor 27 to enable the two sets of guide wheels 23 to abut against the vertical side surface of the steel in the length direction respectively, and meanwhile, the wafer 11 cannot abut against the bottom surface 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 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: the steel is cleaned by using the cleaning agent with higher temperature before annealing, so that the steel has certain temperature, the time required by the steel in the annealing process is reduced, and the annealing efficiency is improved 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 (10)

1. The utility model provides a cold rolling annealing equipment of low energy consumption, including main part platform (1), locate main part platform (1) and to steel guide and guard device (2) that lead the conveying, locate main part platform (1) and to steel surface spray oil jet equipment (3) of rolling oil, locate 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) arranged on the upper portion of a main body platform (1) and parallel to the length direction of steel, a roller groove (53) formed in 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 abutted to each other, an upper supporting roller (56) and an upper working roller (57) which are arranged between the two vertical plates (51) and abutted to each other, the upper working roller (57) is abutted to the upper surface of the steel, the lower working roller (55) is abutted to the lower surface of the steel, a roller changing mechanism capable of driving the lower supporting roller (54) and the lower working roller (55) to move out of the roller groove (53) so as to be changed is arranged in the roller groove (53), and the vertical plates (51) are provided with a roller spacing adjusting mechanism capable of driving the upper supporting roller (56) and the upper working roller.

2. A low energy consumption cold rolling annealing equipment according to claim 1, characterized in that: the length direction of the roller groove (53) is parallel to the width direction of steel, one end of the roller groove (53) in the length direction penetrates through the vertical side wall of the main body table (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 a sliding manner in the length direction of the roller groove (53), two roller changing vertical rods (41) which are respectively and fixedly connected to the two ends of the roller changing flat rod (58) in the length direction, two abutting blocks (42) which are respectively and fixedly connected to the back vertical side surfaces of the two roller changing vertical rods (41), an abutting block groove (47) which is arranged on the upper part of the roller groove (53) in the width direction of the steel and is used for the abutting block (42) in the roller groove (53) to slide in the width direction of the steel, and a plurality of fixing screws (43) which are arranged on, the width of the abutting block (42) is larger than that of the roller groove (53), and two ends of the lower working roller (55) in the length direction are respectively and rotatably connected with the two roller changing vertical rods (41).

3. A low energy consumption cold rolling annealing equipment according to claim 2, characterized in that: roll spacing adjustment mechanism includes along vertical direction seting up two regulation grooves (45) in two adjacent sides of riser (51) respectively, along vertical direction respectively sliding connection in two regulating block (44) of two regulation grooves (45), rotate respectively and connect in two regulating groove (45) and respectively two adjusting screw (46) of threaded connection in two regulating block (44), locate riser (51) and drive two adjusting screw (46) synchronous pivoted screw rod rotating assembly, go up work roll (57) length direction both ends and rotate respectively and connect in two regulating block (44).

4. A low energy consumption cold rolling annealing equipment according to claim 3, characterized in that: the screw rotating assembly comprises screw gears (48) which are respectively and coaxially and fixedly connected to the upper end parts of exposed vertical plates (51) of the two adjusting screws (46), motor plates (49) which are fixedly connected to the upper parts of the two vertical plates (51), screw motors (31) arranged on the motor plates (49), and motor gears (32) which are coaxially and fixedly connected to output shafts of the screw motors (31) and can be meshed with the two screw gears (48).

5. The cold rolling annealing equipment with low energy consumption according to claim 4, characterized in that: two tight groove (33) of last support has all been seted up along vertical direction in regulating block (44), support tight groove (33) on two and have support tight piece (34) along the equal sliding connection of vertical direction, two regulating block (44) upper portions all are equipped with power rod fixed connection and support tight hydro-cylinder (35) on close last support tight piece (34), go up bearing roller (56) length direction both ends and rotate respectively and connect in two and support tight piece (34), two roll-changing montant (41) have all been seted up down along vertical direction and support tight groove (36), two support tight piece (37) down along the equal sliding connection of vertical direction in tight groove (36) down, two roll-changing montant (41) bottom departments all are equipped with power rod fixed connection and support tight hydro-cylinder (39) under close lower support tight piece (37), bottom suspension runner (54) length direction both ends rotate respectively and connect in two and support tight piece (37) down.

6. The cold rolling annealing equipment with low energy consumption according to claim 5, wherein: the guide and guard device (2) comprises two guide and guard blocks (21) arranged on the upper surface of the main body platform (1), two fine adjustment blocks (22) respectively arranged on the close side surfaces of the two guide and guard blocks (21), two groups of guide and guard wheels (23) respectively rotatably connected with the close side surfaces of the two fine adjustment blocks (22), a driving groove (24) arranged on the upper surface of the main body platform (1) along the width direction of steel, screw cylinders (25) respectively and fixedly connected with the lower surfaces of the two guide and guard blocks (21), a bidirectional screw rod (26) rotatably connected with the driving groove (24) and in threaded connection with the two screw cylinders (25), a guide and guard block motor (27) arranged on the outer wall of the main body platform (1) and with an output shaft coaxially and fixedly connected with one end of the bidirectional screw rod (26) exposed out of the main body platform (1), and a guide and guard wheel fine adjustment mechanism arranged on the guide and guard blocks (21) and enabling the fine adjustment, every group leads and defends wheel (23) and all sets up two on same height, but two with the group lead and defend wheel (23) butt in a vertical side of steel length direction, and two-way screw rod (26) are located the screw thread opposite direction of the partial central point both sides in drive groove (24), and two screw barrels (25) and two-way screw rod (26) are located the interval between the partial central point in drive groove (24) and equal.

7. The cold rolling annealing equipment with low energy consumption according to claim 6, wherein: the guide wheel fine adjustment mechanism comprises two fine adjustment block grooves (38) which are respectively arranged on the close side surfaces of the two guide blocks (21) and the length direction of which is parallel to the width direction of the steel, an inserted bar (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 inserted bar (28), the fine adjustment spring is fixedly connected with a circular sheet (11) which is arranged at one end of the inserted rod (28) in the 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 is abutted to the circular sheet (11), and a fine adjustment spring (13) which is sleeved on the outer wall of the sleeve (29) and is abutted to the fine adjustment block groove (38) and the fine adjustment block (22) at two ends.

8. A low energy consumption cold rolling annealing equipment according to claim 7, characterized in that: oil spout device (3) are oil groove (14) of slope including offering 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 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 to oil pipe (18) and can carry out filterable filter screen (6) to the rolling oil that flows back in oil storage tank (17).

9. A low energy consumption cold rolling annealing equipment according to claim 8, characterized in that: main part platform (1) is located oil groove (14) top department and follows the rear fixedly connected with air-out frame (61) that steel moving direction is located oil spout frame (15), and air-out frame (61) are worn to locate by steel, and air-out longeron (62) that are the slope and towards the steel surface are all offered 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 can be to sending into high-pressure positive blower (63) of highly-compressed air in air-out frame (61).

10. A cold rolling annealing process is characterized in that: the low-energy consumption cold rolling annealing equipment of the claim 9 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 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).

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