CN114713636A - High-frequency impact rolling internal and external same-temperature roll assembly for stainless iron composite sheet - Google Patents
High-frequency impact rolling internal and external same-temperature roll assembly for stainless iron composite sheet Download PDFInfo
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- CN114713636A CN114713636A CN202210546327.3A CN202210546327A CN114713636A CN 114713636 A CN114713636 A CN 114713636A CN 202210546327 A CN202210546327 A CN 202210546327A CN 114713636 A CN114713636 A CN 114713636A
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- roll shaft
- cooling
- shaft
- speed regulation
- assembly
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 239000002131 composite material Substances 0.000 title claims abstract description 31
- 238000005096 rolling process Methods 0.000 title claims abstract description 31
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 18
- 230000005284 excitation Effects 0.000 claims abstract description 76
- 238000001816 cooling Methods 0.000 claims abstract description 61
- 238000005242 forging Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 41
- 230000001360 synchronised effect Effects 0.000 claims description 31
- 239000000110 cooling liquid Substances 0.000 claims description 18
- 239000002826 coolant Substances 0.000 claims description 15
- 230000001050 lubricating effect Effects 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 210000001179 synovial fluid Anatomy 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 abstract description 19
- 229910052751 metal Inorganic materials 0.000 abstract description 19
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 8
- 239000007789 gas Substances 0.000 description 18
- 239000000498 cooling water Substances 0.000 description 14
- 239000010935 stainless steel Substances 0.000 description 8
- 229910001220 stainless steel Inorganic materials 0.000 description 8
- 229910000975 Carbon steel Inorganic materials 0.000 description 6
- 239000010962 carbon steel Substances 0.000 description 6
- 238000004880 explosion Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/06—Lubricating, cooling or heating rolls
- B21B27/08—Lubricating, cooling or heating rolls internally
-
- 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
- B21B1/38—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 sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B11/00—Subsidising the rolling process by subjecting rollers or work to vibrations, e.g. ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/06—Lubricating, cooling or heating rolls
- B21B27/10—Lubricating, cooling or heating rolls externally
-
- 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
- B21B1/38—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 sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
- B21B2001/386—Plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/06—Lubricating, cooling or heating rolls
- B21B27/08—Lubricating, cooling or heating rolls internally
- B21B2027/083—Lubricating, cooling or heating rolls internally cooling internally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/06—Lubricating, cooling or heating rolls
- B21B27/10—Lubricating, cooling or heating rolls externally
- B21B2027/103—Lubricating, cooling or heating rolls externally cooling externally
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses an internal and external constant-temperature roll assembly for high-frequency impact rolling of a stainless iron composite sheet, which comprises a driving roll shaft and a driven roll shaft, wherein upper roll shaft mounting seats are arranged on two side sections of the driven roll shaft, the upper end of each upper roll shaft mounting seat is fixedly connected with a driven roll shaft connecting seat through a clamping groove, the lower roll shaft mounting seats are fixedly arranged on a rolling mill support, the upper roll shaft mounting seats can be movably arranged on the rolling mill support up and down, a roll body of the driven roll shaft is of an internal hollow structure, a replaceable wear-resistant base is arranged outside the middle section, a cooling channel is arranged between the wear-resistant base and the inner wall of the driven roll shaft, internal supporting beams are arranged at two ends of the hollow inner wall of the middle section of the roll body of the driven roll shaft, and an excitation assembly is arranged on the internal supporting beams. The invention has the advantages that: in the process of rolling the composite metal plate with high temperature of the roller, the inside and the outside can be simultaneously cooled, and the vibration exciting assembly rolls the composite metal plate together through high-frequency vibration forging impact force.
Description
Technical Field
The invention relates to an auxiliary component of a rolling mill, in particular to an internal and external constant-temperature roll assembly for high-frequency impact rolling of a stainless iron composite sheet.
Background
The stainless steel composite sheet is formed by rolling and compounding a carbon steel sheet and a stainless steel sheet, and the carbon steel sheet has high hardness and high strength, while the stainless steel has high chemical stability, corrosion resistance and plasticity. The composite material has the strength of carbon steel and the stability of stainless steel, has great advantages in cost compared with pure stainless steel, and can be widely used for food cans, bottle caps, metal food guarantee, optical fiber cable packaging and the like.
Generally, more than two metals with different materials are deeply fused by processing methods such as explosive welding, rolling and the like, so that the composite metal plate has the composite performance which is not possessed by a single metal plate.
The explosion welding method adopts high temperature and high pressure generated by explosion to fuse two metal plates together, however, the explosion welding method has certain potential safety hazard in the production and use process, all workers on the site need to be evacuated in the explosion process, the flow production cannot be realized, and the explosion can generate a large amount of dust and pollute the environment.
In the traditional rolling process, due to different properties of different metal materials, the quality of a joint surface between metal plates is poor in the rolling process, the joint degree is insufficient, so that the produced composite plate is easy to delaminate, and the quality cannot be guaranteed.
In addition, during rolling, the high-temperature composite metal plate rolled piece realizes deformation through rolling and friction of the roller, and the temperature of the roller rises in the process, and a layer of steam film is formed on the surface of the roller groove, so that the surface of the roller is difficult to be rapidly cooled by cooling water; in addition, the sliding friction of the contact part of the roller and the high-temperature rolled piece enables the temperature to rise faster than other places, so that the temperature distribution is uneven, the roller is cracked and falls blocks to accelerate the abrasion speed, and the service life is shortened.
Disclosure of Invention
The invention provides an internal and external constant-temperature roll assembly for high-frequency impact rolling of a stainless iron composite sheet, aiming at the defects of the existing product. Technical problem to be solved 1: the existing roller has poor cooling effect and short service life. Technical problem to be solved 2: when the traditional roller faces the composite metal plate, the quality of a joint surface is poor, and the joint degree is not enough.
The invention relates to an internal and external constant-temperature roll assembly for high-frequency impact rolling of a stainless iron composite sheet, which comprises at least one driving roll shaft which actively rotates and is matched with a driven roll shaft to enable the stainless iron composite sheet to continuously advance, and a driven roll shaft which is matched with the driving roll shaft to roll the stainless iron composite sheet; a cooling channel for absorbing heat inside the roll shaft is arranged inside the driven roll shaft or the driving roll shaft; the cooling channel is provided with a linkage assembly which can adjust the flow velocity of a high-pressure cooling medium in the cooling channel and drive the vibration excitation assembly through the power of the high-pressure cooling medium, and the driven roll shaft or the driving roll shaft is internally provided with at least one vibration excitation assembly which enables the roll shaft to generate high-frequency vibration forging impact force; a high-pressure water spray nozzle communicated with the cooling channel and used for cooling the outer surface of the roll shaft is arranged outside the driven roll shaft or the driving roll shaft; and the cooling channel is also provided with a multi-path electromagnetic directional valve which is used for connecting an external water inlet channel, a high-pressure air inlet channel and a linkage component and controlling the stroke of a speed regulating cylinder of the linkage component so as to control the rotating speed of the vibration excitation component. The cooling channel can control the stroke of the speed regulation cylinder through a multi-path electromagnetic reversing valve so as to regulate the flow rate of a high-pressure cooling medium in the speed regulation cylinder, and further regulate the high-frequency vibration forging impact force in the roll shaft, so that metal grains of the high-temperature carbon steel sheet and the stainless steel sheet are refined, the sheets are subjected to micro-bonding, and then the composite metal plates are rolled together. Meanwhile, the high-pressure cooling medium absorbs heat inside the roll shaft through the cooling channel inside the roll shaft, and the high-pressure cooling medium sprayed at high pressure through the external high-pressure water spray nozzle can break through a layer of steam film on the surface of the roll formed by high temperature, so that the temperature of the inner surface and the outer surface of the roll is the same, and further the phenomenon that the roll is cracked and falls to accelerate the abrasion speed of the roll due to uneven temperature distribution is avoided.
As a further scheme of the invention, a roller body of the driven roller shaft is of an internal hollow structure, a replaceable wear-resistant base is arranged outside the middle section of the roller body, a cooling channel is arranged between the wear-resistant base and the inner wall of the driven roller shaft, a rolling bearing is arranged in the cooling channel, inner supporting beams are fixedly welded and arranged at two ends of the hollow inner wall of the middle section of the roller body, and an excitation assembly is arranged on each inner supporting beam; the excitation assembly is provided with at least one excitation main shaft driven by the central shaft of the linkage assembly, and at least one excitation synchronous shaft driven by the excitation main shaft and rotating at a high speed, wherein an excitation barrel body used for generating high-frequency vibration is arranged on the excitation synchronous shaft. The excitation main shaft enables the excitation synchronous shaft to rapidly rotate under the driving of the central shaft of the linkage assembly, the excitation synchronous shaft drives the excitation barrel body to synchronously rotate, and the excitation barrel body generates centrifugal force to enable the roll shaft to generate high-frequency vibration forging impact force; the wear-resistant base can rotate relative to the inner wall of the driven roll shaft, so that the driven roll shaft rotates under the driving of the driving roll shaft which rotates actively and simultaneously vibrates in high frequency to forge and press the composite metal plate, and a cooling channel which can take away internal heat is arranged; the inner supporting beam is used for installing the excitation assembly and the linkage assembly, so that the working process of the inner supporting beam is more stable.
As a further scheme of the invention, the linkage assembly comprises a pressurizing volute body with a spiral volute body structure, the diameter of the pressurizing volute body is gradually reduced, secondary pressurization of high-pressure cooling medium in the pressurizing volute body is facilitated, and the high-pressure cooling medium is guided to flow along a spiral channel in the volute body, so that the high-pressure cooling medium can be efficiently converted into driving force for driving the linkage turntable; the upper end of the pressurizing worm body is provided with a liquid inlet pipeline flange which is used for being connected with a high-pressure cooling medium liquid inlet straight pipe, and the high-pressure cooling medium is high-pressure gas-liquid mixed fluid and can vibrate to a certain extent, and in addition, the vibration excitation assembly can also generate great vibration to prevent the liquid inlet pipe from being separated from the linkage assembly, and the connection is more stable by adopting the pipeline flange; the center of the pressurizing worm body is provided with a linkage turntable; and a linkage output rotating shaft is arranged at the center of the linkage turntable, and the linkage turntable is provided with a turntable guide impeller. The turntable guide impeller of the linkage turntable rotates at high speed under the driving of flowing of a high-pressure cooling medium to drive the linkage output rotating shaft to rotate.
As a further scheme of the invention, a worm body guide sheet is arranged in the pressurizing worm body; the positions of the flow guide ports formed between the worm body guide pieces are opposite to the positions of the turntable guide impellers; a speed regulation guide vane capable of rotating is arranged between the flow guide port and the turntable guide impeller; the speed regulation guide vane realizes rotation through the synchronous linkage mechanism and the speed regulation air cylinder. The flow guide port formed between the worm body guide pieces can guide high-pressure cooling media to enter the rotating disc guide impeller, so that the linkage rotating disc is driven to rotate, the opening size between the flow guide port and the rotating disc guide impeller can be changed through the speed regulation guide piece, the synchronous linkage mechanism can realize synchronous rotation of the speed regulation guide piece under the control of the speed regulation air cylinder, so that the flow rate of the high-pressure cooling media is controlled, the rotating speed of the linkage rotating disc is further controlled, the rotating speed of the main shaft is changed, and finally the high-frequency vibration forging impact strength and frequency of the excitation assembly can be changed.
As a further scheme of the invention, the synchronous linkage mechanism comprises a speed regulation rotating shaft fixedly connected with a speed regulation guide vane, one end of the speed regulation rotating shaft is rotatably arranged on the side sealing cover, the other end of the speed regulation rotating shaft is fixedly connected with a secondary speed regulation vane, a speed regulation connecting rod is arranged between the secondary speed regulation vanes, one speed regulation connecting rod is connected with a main speed regulation vane, one end of the main speed regulation vane is connected with an execution rod end of a speed regulation cylinder, and the speed regulation cylinder is arranged on one side surface of the supercharged volute body through a cylinder mounting seat; the speed regulation cylinder is connected with the multi-path electromagnetic directional valve through an air pipe. Therefore, the multi-path electromagnetic directional valve can change the stroke of the speed regulating cylinder under the control of an electromagnetic signal, and the speed regulating cylinder can change the flow speed of the high-pressure cooling medium through the synchronous linkage mechanism.
As a further scheme of the invention, the multi-path electromagnetic directional valve comprises a valve block, a first electromagnetic directional valve, a gas-liquid mixing pipe section, a one-way valve and a second electromagnetic directional valve; the valve block is internally provided with a cooling liquid pipeline and a high-pressure gas pipeline, the lower section of the cooling liquid pipeline is communicated with the high-pressure gas pipeline to form a gas-liquid mixing pipe section, and the gas-liquid mixing pipe section can form turbulent flow state gas-liquid mixing cooling water by liquid cooling water and high-pressure cooling gas of the high-pressure gas pipeline, so that the efficiency of gas for absorbing heat is greatly improved.
The cooling liquid pipeline is provided with a first electromagnetic directional valve, the first electromagnetic directional valve adjusts the flow of the cooling liquid and closes and opens, and the flow of the liquid cooling water can be controlled through the first electromagnetic directional valve; the flow of the cooling liquid can be changed according to different temperatures, so that the use of the cooling liquid can be saved; the high-pressure gas pipeline upper section is provided with a high-pressure gas pipeline branch, the coolant pipeline and the high-pressure gas pipeline lower section are provided with one-way valves, the high-pressure gas pipeline branch is connected with a second electromagnetic directional valve, the second electromagnetic directional valve is connected with a speed regulating cylinder through a gas pipe, the speed regulating cylinder is not moved when a valve core of the second electromagnetic directional valve is at the middle position, and when the valve core of the second electromagnetic directional valve is shifted to the side positions at the two sides, single-side gas inlet enables the speed regulating cylinder to change the stroke. The stroke position of the speed regulation air cylinder can be controlled through the second electromagnetic reversing valve, and then the angle of the speed regulation guide vane is changed through the synchronous linkage mechanism, so that the size of an opening between the flow guide opening and the rotary table guide impeller is changed.
As a further scheme of the invention, the two ends of the driven roll shaft are provided with the upper roll shaft mounting seats, the other side of the upper roll shaft mounting seats is provided with a lubricating liquid channel, and the lubricating liquid channel is communicated with a water outlet pipeline b of the driven roll shaft connecting seat. When the lubricating liquid is required to be added, the lubricating liquid can be added from the lubricating liquid channel, enters the high-pressure water spray nozzle through the high-pressure gas cooling liquid and is uniformly sprayed on the top of the wear-resistant base.
As a further scheme of the invention, one side of the driving roll shaft is provided with a driving roll shaft cooling main channel communicated with the water inlet hole channel, the driving roll shaft cooling main channel is provided with a plurality of transverse cooling branch pipelines, and the outlet of the driving roll shaft cooling main channel is communicated with the synovial fluid channel. The driving roll shaft can be synchronously cooled by arranging the plurality of transverse cooling branch pipelines on the driving roll shaft, so that the service life of the driving roll shaft is prolonged.
Furthermore, one side of the driving roll shaft is provided with a driving roll shaft cooling main channel communicated with the water inlet hole channel, a plurality of longitudinal cooling branch pipelines are arranged on the driving roll shaft cooling main channel, and an outlet of the driving roll shaft cooling main channel is communicated with the synovial fluid channel. The driving roll shaft can be synchronously cooled by arranging the plurality of longitudinal cooling branch pipelines on the driving roll shaft, so that the service life of the driving roll shaft is prolonged.
The invention has the beneficial effects that: in the rolling process of the composite metal plate with high temperature of the roller, the inside and the outside can be simultaneously cooled, the temperature distribution of the roller is prevented from being uneven, and meanwhile, in the cooling process, the vibration excitation assembly refines metal grains of the high-temperature carbon steel sheet and the high-temperature stainless steel sheet through high-frequency vibration forging impact force, so that microscopic adhesion occurs between the sheets, and then the composite metal plates are rolled together.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a left side view of the present invention.
Fig. 3 is a cross-sectional view of fig. 2 of the present invention.
Fig. 4 is a partial enlarged view of fig. 3 a according to the present invention.
FIG. 5 is an exploded view of the linkage assembly of the present invention.
Fig. 6 is a partial enlarged view of the invention at B of fig. 5.
FIG. 7 is a left side view of the linkage assembly of the present invention.
FIG. 8 is a schematic view of the process of the present invention.
Fig. 9 is a schematic structural diagram of embodiment 3 of the present invention.
Fig. 10 is a schematic structural diagram of embodiment 4 of the present invention.
In the figure: the device comprises a lower roller shaft mounting seat 1, a driving roller shaft 2, a driven roller shaft 3, an upper roller shaft mounting seat 4, a driven roller shaft connecting seat 5, a composite metal plate material platform 6, a water inlet channel 7, a high-pressure air inlet channel 8, an oil cylinder mounting seat 9, a multi-path electromagnetic directional valve 10, a linkage component 11, a wear-resistant base 12, a water outlet pipeline a13, a water outlet pipeline b14, a high-pressure water nozzle 15, an inner supporting beam 16, an excitation component 17, a cooling channel 18, a water outlet pipeline d19, a water inlet pipeline c 20 and a lubricating liquid channel 21;
the liquid inlet pipeline comprises a liquid inlet pipeline flange 110, a liquid inlet straight pipe 111, a liquid outlet 112, a pressurizing worm 113, a left sealing cover 114, a linkage turntable 115, a right sealing cover 116, a speed regulation disc 117, a linkage output rotating shaft 118, a turntable guide impeller 119 and a worm guide piece 1110; the speed regulation cylinder 1111, the main speed regulation piece 1112, the auxiliary speed regulation piece 1113, the speed regulation connecting rod 1114, the speed regulation rotating shaft 1115 and the speed regulation guide piece 1116;
a valve block 101, a first electromagnetic directional valve 102, a gas-liquid mixing pipe section 103, a one-way valve 104 and a second electromagnetic directional valve 105;
the main excitation shaft 171, the main excitation gear 172, the synchronous excitation first shaft 173, the synchronous excitation second shaft 174, the excitation barrel 175, and the excitation bracket 176.
Detailed Description
The present invention will be further described with reference to the following examples.
Detailed description of the preferred embodiment
As shown in fig. 1 and 2, the inside and outside constant temperature roll assembly for high-frequency impact rolling of a stainless iron composite sheet comprises a driving roll shaft 2 and a driven roll shaft 3, wherein lower roll shaft mounting seats 1 are mounted at two side sections of the driving roll shaft 2, and the lower roll shaft mounting seats 1 are fixedly connected with a base; the upper roll shaft mounting seats 4 are mounted at two side sections of the driven roll shaft 3, the upper ends of the upper roll shaft mounting seats 4 are fixedly connected with the driven roll shaft connecting seats 5 through clamping grooves, the driven roll shaft connecting seats 5 are provided with oil cylinder mounting seats 9 for pressing down oil cylinders, the roll shaft mounting seats 1 are fixedly mounted on a rolling mill support, and the upper roll shaft mounting seats 4 can be movably mounted on the rolling mill support up and down; the rolling mill support is the prior art and is not described in detail.
As shown in fig. 3, the roller body of the driven roller shaft 3 is of an internal hollow structure, a replaceable wear-resistant base 12 is arranged outside the middle section of the roller body, a cooling channel 18 is arranged between the wear-resistant base 12 and the inner wall of the driven roller shaft 3, and a rolling bearing is installed in the cooling channel 18, so that the wear-resistant base 12 rotates, vibrates and rolls under the driving of the driving roller shaft 2; the two ends of the hollow inner wall of the middle section of the roller body are provided with inner supporting beams 16, the inner supporting beams 16 are provided with excitation components 17, the central shaft of the excitation components 17 is connected with the central shaft of a linkage component 11, the linkage component 11 is connected with a multi-path electromagnetic directional valve 10 through a water inlet pipeline c 20, and the multi-path electromagnetic directional valve 10 is connected with a water inlet pore passage 7 and a high-pressure air inlet pore passage 8; the linkage assembly 11 is connected with the cooling channel 18 through a water outlet pipeline d19, and the cooling channel 18 is connected with the high-pressure water spray nozzle 15 through a water outlet pipeline a13 and a water outlet pipeline b14 arranged in the driven roller shaft connecting seat 5; cooling water enters the multi-path electromagnetic reversing valve 10 from the water inlet channel 7, high-pressure gas enters the multi-path electromagnetic reversing valve 10 from the high-pressure air inlet channel, the cooling water and the high-pressure gas pass through the linkage assembly 11 and drive the central shaft of the linkage assembly to rotate, the central shaft drives the vibration excitation assembly 17 to vibrate, the temperature inside the roller shaft drops when the cooling water passes through the cooling channel 18, then the cooling water enters a row of high-pressure water nozzles 15 above the driven roller shaft connecting seat 5 through a water outlet pipeline a13 and a water outlet pipeline b14 connected with the cooling channel 18, and the high-pressure water is sprayed onto the surface of the roller shaft; the temperature of the inner surface and the outer surface of the roller can be rapidly cooled, and a surface steam film generated by the high temperature of the roller can be broken through, so that the temperature of the outer surface of the roller can be rapidly cooled simultaneously.
As shown in fig. 4, the excitation assembly 17 includes an excitation main shaft 171, an excitation main gear 172, an excitation synchronous first shaft 173, an excitation synchronous second shaft 174, an excitation barrel 175, and an excitation bracket 176; the excitation bracket 176 is fixedly installed between the inner walls of the roller bodies, the center of the excitation bracket 176 is provided with an excitation main shaft 171, the excitation main shaft 171 is connected with the central shaft of the linkage component 11 through a coupler, the two sides of the excitation main shaft 171 are symmetrically provided with an excitation synchronous first shaft 173 and an excitation synchronous second shaft 174, the excitation synchronous first shaft 173 and the excitation synchronous second shaft 174 are provided with synchronous gears, the synchronous gears are meshed with the excitation main gear 172, and the excitation main gear 172 is installed on the excitation main shaft 171; the excitation synchronous first shaft 173 and the excitation synchronous second shaft 174 rotate synchronously with the excitation main shaft 171; the excitation synchronous first shaft 173 and the excitation synchronous second shaft 174 are provided with excitation barrels 175 which are symmetrically distributed at 180 degrees in a staggered manner, and excitation small iron balls are placed inside the excitation barrels 175; when the excitation main shaft 171 is driven to rotate by the central shaft of the linkage assembly 11, the excitation synchronous first shaft 173 and the excitation synchronous second shaft 174 synchronously and rapidly rotate, and when the excitation barrel 175 rotates, the excitation small iron balls are excited under the action of centrifugal force to be attached to the barrel bottom, and account for about half of the total barrel; when the vibration-exciting barrels 175 are rotated in synchronization to the horizontal direction, the symmetrical forces generated in the horizontal direction are offset from each other, and when they are rotated to the vertical direction, the forces in the vertical direction are superimposed on each other, so that the roll is rapidly vibrated in the vertical direction.
As shown in fig. 5-7, the linkage assembly 11 includes a liquid inlet pipe flange 110, a liquid inlet straight pipe 111, a liquid outlet 112, a pressurizing volute 113, a left cover 114, a linkage turntable 115, a right cover 116, a speed regulation disk 117, a linkage output rotating shaft 118, a turntable guide impeller 119, and a volute guide vane 1110; the speed regulation cylinder 1111, the main speed regulation piece 1112, the auxiliary speed regulation piece 1113, the speed regulation connecting rod 1114, the speed regulation rotating shaft 1115 and the speed regulation guide piece 1116. The liquid inlet pipeline flange 110 is fixedly connected with the water inlet pipeline c 20, the liquid inlet pipeline flange 110 is fixedly connected with the liquid inlet straight pipe 111 through the water inlet pipeline c 20 and the multi-path electromagnetic directional valve 10, the liquid inlet straight pipe 111 is connected with the pressurizing worm body 113, the center position of the pressurizing worm body 113 is provided with the linkage turntable 115, the two sides of the linkage turntable 115 are respectively provided with the left sealing cover 114 and the right sealing cover 116, the left sealing cover 114 and the right sealing cover 116 are fixedly connected with the inner ring flange of the pressurizing worm body 113 through bolts, the center position of the linkage turntable 115 is provided with the linkage output rotating shaft 118, and the linkage turntable 115 is provided with the turntable guide impeller 119. The linkage output shaft 118 may be externally connected to the driving shaft to provide additional driving force.
The supercharged volute 113 is of a volute structure with the diameter gradually reduced, two volute installation seats are arranged on the shell of the supercharged volute 113 and fixedly connected with the inner support beam 16, and a volute guide vane 1110 is arranged inside the supercharged volute 113; the diversion port formed between the worm body guide vanes 1110 is opposite to the position of the turntable guide vane 119; a rotatable speed regulation guide 1116 is further arranged between the diversion opening and the turntable guide impeller 119, the speed regulation guide 1116 can adjust the size of an opening between the diversion opening and the turntable guide impeller 119, the speed regulation guide 1116 is fixedly mounted on a speed regulation rotating shaft 1115, one end of the speed regulation rotating shaft 1115 is rotatably mounted on the right sealing cover 116, the other end of the speed regulation rotating shaft 1115 is fixedly connected with a slave speed regulation piece 1113, a speed regulation connecting rod 1114 is arranged between the slave speed regulation pieces 1113, one of the speed regulation connecting rods 1114 is connected with a master speed regulation piece 1112, one end of the master speed regulation piece 1112 is connected with an execution rod end of a speed regulation cylinder 1111, and the speed regulation cylinder 1111 is mounted on a side surface of the booster worm body 113 through a cylinder mounting seat; the speed regulation cylinder 1111 is connected with the multi-path electromagnetic directional valve 10 through an air pipe.
As shown in fig. 8, the multi-path electromagnetic directional valve 10 includes a valve block 101, a first electromagnetic directional valve 102, a gas-liquid mixing pipe section 103, a check valve 104, and a second electromagnetic directional valve 105; a cooling liquid pipeline 107 and a high-pressure gas pipeline 108 are arranged in the valve block 101, the lower section of the cooling liquid pipeline 107 is communicated with the high-pressure gas pipeline 108 to form a gas-liquid mixing pipe section 103, a first electromagnetic directional valve 102 is arranged on the cooling liquid pipeline 107, the first electromagnetic directional valve 102 adjusts the flow rate of the cooling liquid and is closed and opened, a high-pressure gas pipeline branch 109 is arranged at the upper section of the high-pressure gas pipeline 108, the lower sections of the cooling liquid pipeline 107 and the high-pressure air pipeline 108 are provided with a one-way valve 104, the one-way valve 104 is used for avoiding the backflow of a gas-liquid serial path, the high-pressure air pipeline branch 109 is connected with a second electromagnetic directional valve 105, the second electromagnetic directional valve 105 is connected with a speed-regulating cylinder 1111 through an air pipe, the speed regulation cylinder 1111 is not moved when the valve core of the second electromagnetic directional valve 105 is at the middle position, and when the valve core of the second electromagnetic directional valve 105 is displaced to the side positions at the two sides, the speed regulation cylinder 1111 is changed by single-side air intake.
The second electromagnetic directional valve 105 is used for adjusting the stroke of the speed adjusting cylinder 1111, the speed adjusting cylinder 1111 pushes or pulls back the main speed adjusting sheet 1112, the main speed adjusting sheet 1112 drives other slave speed adjusting sheets 1113 through the speed adjusting connecting rod 1114, the slave speed adjusting sheet 1113 enables the speed adjusting rotating shaft 1115 to synchronously rotate, so that the angle of the speed adjusting guide sheet 1116 on the speed adjusting rotating shaft 1115 is changed, the speed adjusting guide sheet 1116 changes the sizes of the flow guide openings formed between the worm body guide sheets 1110 and the opening of the turntable guide impeller 119, the rotating speed of the speed adjusting disc 117 is adjusted, the rotating speed of the linkage output rotating shaft 118 is finally controlled, the rotating speed of the excitation main shaft 171 can be adjusted through the rotating speed of the linkage output rotating shaft 118, and the vibration amplitude and the force of the driven roller shaft 3 are adjusted.
Specific example 2:
as shown in fig. 3, the other embodiment is the same as the first embodiment, except that the upper roller shaft mounting seat 4 on the other side is provided with a lubricating liquid channel 21, the lubricating liquid channel 21 is communicated with a water outlet pipe b14 of the driven roller shaft connecting seat 5, when the use of lubricating liquid needs to be increased, the lubricating liquid can be added from the lubricating liquid channel 21, and the cooling liquid enters the high-pressure water spray nozzle 15 through high-pressure gas, and is uniformly sprayed on the top of the wear-resistant base 12.
Specific example 3:
as shown in fig. 9, the other embodiment is the same as the first embodiment, except that a main drive roll shaft cooling channel communicated with the water inlet channel 7 is arranged on one side of the drive roll shaft 2, a plurality of transverse cooling branch pipes are arranged on the main drive roll shaft cooling channel, and an outlet of the main drive roll shaft cooling channel is communicated with the synovial fluid channel 21.
Specific example 4:
as shown in fig. 10, the other embodiment is the same as the first embodiment, except that a main drive roll shaft cooling channel communicated with the water inlet channel 7 is arranged on one side of the drive roll shaft 2, a plurality of longitudinal cooling branch pipes are arranged on the main drive roll shaft cooling channel, and an outlet of the main drive roll shaft cooling channel is communicated with the synovial fluid channel 21.
When the cooling device is used, the water inlet channel 7 is externally connected with cooling water, the high-pressure air inlet channel 8 is externally connected with a high-pressure air source, the cooling water and the high-pressure air are mixed in the gas-liquid mixing pipe section 103 of the valve block 101 to form high-pressure gas-liquid cooling water, the gas-liquid cooling water is in a turbulent state and has higher heat absorption efficiency than the liquid water, the high-pressure gas-liquid cooling water enters the pressurizing volute body 113 through the liquid inlet pipeline flange 110, flows out of the liquid outlet 112 and then enters the cooling channel 18 of the driven roller shaft 3, the cooling channel 18 absorbs part of heat of the wear-resistant base 12 inside, and then enters the high-pressure water spray nozzles 15 below the driven roller shaft connecting base 5 from the water outlet pipeline a13 and the water outlet pipeline b14, and the high-pressure water spray nozzles 15 are uniformly sprayed on the top of the wear-resistant base 12 to further absorb heat on the outer surfaces of the driving roller shaft 2 and the driven roller shaft 3; meanwhile, when high-pressure gas-liquid cooling water passes through the booster volute 113 at a high speed, the linkage turntable 115 is driven to rotate rapidly, the linkage turntable 115 drives the excitation main shaft 171 of the excitation assembly 17 to rotate so that the excitation synchronous second shaft 174 rotates synchronously at a high speed to generate downward high-frequency vibration forging impact force, metal grains of the high-temperature carbon steel sheet and the high-temperature stainless steel sheet are refined through the high-frequency vibration forging impact force, micro bonding is generated between the sheets, and then the composite metal sheets are rolled together.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. A high-frequency impact rolling internal and external homothermal roll assembly for a stainless iron composite sheet comprises at least one driving roll shaft, a driven roll shaft and a bracket, wherein the driving roll shaft rotates actively and is matched with the driven roll shaft to enable the stainless iron composite sheet to advance continuously; the cooling device is characterized in that a cooling channel for absorbing heat in the roll shaft is arranged in the driven roll shaft or the driving roll shaft; the cooling channel is provided with a linkage assembly which can adjust the flow velocity of a high-pressure cooling medium in the cooling channel and drive the vibration excitation assembly through the power of the high-pressure cooling medium, and the driven roll shaft or the driving roll shaft is internally provided with at least one vibration excitation assembly which enables the roll shaft to generate high-frequency vibration forging impact force; a high-pressure water spray nozzle communicated with the cooling channel and used for cooling the outer surface of the roll shaft is arranged outside the driven roll shaft or the driving roll shaft; and the cooling channel is also provided with a multi-path electromagnetic directional valve which is used for connecting an external water inlet channel, a high-pressure air inlet channel and a linkage component and controlling the stroke of a speed regulating cylinder of the linkage component so as to control the rotating speed of the vibration excitation component.
2. The high-frequency impact rolling internal and external constant-temperature roll assembly of the stainless iron composite sheet according to claim 1, wherein the roll body of the driven roll shaft is of an internal hollow structure, a replaceable wear-resistant base is arranged outside the middle section of the roll body, a cooling channel is arranged between the wear-resistant base and the inner wall of the driven roll shaft, a rolling bearing is arranged in the cooling channel, inner supporting beams are arranged at two ends of the hollow inner wall of the middle section of the roll body, and an excitation assembly is arranged on the inner supporting beams; the excitation assembly is provided with at least one excitation main shaft driven by the central shaft of the linkage assembly, and at least one excitation synchronous shaft driven by the excitation main shaft and rotating at a high speed, wherein an excitation barrel body used for generating high-frequency vibration is arranged on the excitation synchronous shaft.
3. The inside and outside homothermal roll assembly for high-frequency impact rolling of the stainless iron composite sheet as claimed in claim 1, wherein the linkage assembly comprises a pressurizing volute body with a diameter gradually reduced and in a spiral volute structure, and the upper end of the pressurizing volute body is provided with a liquid inlet pipeline flange for connecting with a liquid inlet straight pipe; a rotatable linkage turntable is arranged at the central position of the pressurizing volute body; and a linkage output rotating shaft is arranged at the center of the linkage turntable, and a turntable guide impeller is arranged on the linkage turntable.
4. The high-frequency impact rolling internal and external homothermal roll assembly for the stainless iron composite sheet as claimed in claim 3, wherein a worm body guide plate is arranged in the pressurizing worm body; the positions of the flow guide ports formed between the worm body guide pieces are opposite to the positions of the turntable guide impellers; a speed regulation guide vane capable of rotating is arranged between the flow guide port and the turntable guide impeller; the speed regulation guide vane realizes rotation through the synchronous linkage mechanism and the speed regulation air cylinder.
5. The inside and outside constant temperature roll assembly for high-frequency impact rolling of the stainless iron composite sheet as claimed in claim 4, wherein the synchronous linkage mechanism comprises a speed regulation rotating shaft fixedly connected with a speed regulation guide vane, one end of the speed regulation rotating shaft is rotatably mounted on the right sealing cover, the other end of the speed regulation rotating shaft is fixedly connected with a slave speed regulation vane, a speed regulation connecting rod is arranged between the slave speed regulation vanes, one of the speed regulation connecting rods is connected with a master speed regulation vane, one end of the master speed regulation vane is connected with an execution rod end of a speed regulation cylinder, and the speed regulation cylinder is mounted on one side surface of the booster worm body through a cylinder mounting seat; the speed regulation cylinder is connected with the multi-path electromagnetic directional valve through an air pipe.
6. The inside and outside constant temperature roll assembly for high-frequency impact rolling of the stainless iron composite sheet as claimed in claim 4, wherein the multi-path electromagnetic directional valve comprises a valve block, a first electromagnetic directional valve, a gas-liquid mixing pipe section, a one-way valve and a second electromagnetic directional valve; the valve block is internally provided with a cooling liquid pipeline and a high-pressure gas pipeline, the lower section of the cooling liquid pipeline is communicated with the high-pressure gas pipeline to form a gas-liquid mixing pipe section, the cooling liquid pipeline is provided with a first electromagnetic directional valve, the first electromagnetic directional valve is used for adjusting the flow of cooling liquid and closing and opening, the upper section of the high-pressure gas pipeline is provided with a high-pressure gas pipeline branch, the lower sections of the cooling liquid pipeline and the high-pressure gas pipeline are provided with a one-way valve, the high-pressure gas pipeline branch is connected with a second electromagnetic directional valve, the second electromagnetic directional valve is connected with a speed adjusting cylinder through a gas pipe, the speed adjusting cylinder does not move when the valve core of the second electromagnetic directional valve is at the middle position, and when the valve core of the second electromagnetic directional valve is shifted to the side positions at the two sides, single-side gas inlet enables the speed adjusting cylinder to change the stroke.
7. The inside and outside constant temperature roll assembly of claim 1, wherein the driven roll shaft has upper roll shaft mounting seats at both ends thereof, and a lubricating fluid passage is formed at the other side of the upper roll shaft mounting seats, and the lubricating fluid passage communicates with the water outlet pipe b of the driven roll shaft connecting seat.
8. The high-frequency impact rolling internal and external homothermal roll assembly according to claim 1, wherein one side of the driving roll shaft is provided with a driving roll shaft cooling main channel communicated with the water inlet channel, the driving roll shaft cooling main channel is provided with a plurality of transverse cooling branch channels, and an outlet of the driving roll shaft cooling main channel is communicated with the synovial fluid channel.
9. The inside and outside constant temperature roll assembly of claim 1, wherein a main cooling channel of the driving roll shaft is disposed at one side of the driving roll shaft and communicated with the water inlet channel, a plurality of longitudinal cooling branch pipes are disposed on the main cooling channel of the driving roll shaft, and an outlet of the main cooling channel of the driving roll shaft is communicated with the synovial fluid channel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210546327.3A CN114713636B (en) | 2022-05-20 | 2022-05-20 | Stainless iron composite sheet high-frequency impact rolling inner and outer isothermal roller assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210546327.3A CN114713636B (en) | 2022-05-20 | 2022-05-20 | Stainless iron composite sheet high-frequency impact rolling inner and outer isothermal roller assembly |
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| CN114713636A true CN114713636A (en) | 2022-07-08 |
| CN114713636B CN114713636B (en) | 2023-11-28 |
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| CN202210546327.3A Active CN114713636B (en) | 2022-05-20 | 2022-05-20 | Stainless iron composite sheet high-frequency impact rolling inner and outer isothermal roller assembly |
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| CN108856294A (en) * | 2017-05-12 | 2018-11-23 | 深圳市科晶智达科技有限公司 | Heat roller and using the heating roller to roller mill |
| CN208288673U (en) * | 2018-04-04 | 2018-12-28 | 浙江明牌珠宝科技有限公司 | A kind of precious metal sheets milling train |
| CN110303110A (en) * | 2019-08-16 | 2019-10-08 | 徐州市特种锻压机床厂 | A kind of hydraulic forging press and forging method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0615313A (en) * | 1992-06-30 | 1994-01-25 | Hitachi Ltd | Local spray nozzle device for rolling roll and device and method for local cooling |
| KR20040012082A (en) * | 2002-07-31 | 2004-02-11 | 주식회사 포스코 | Cooling apparatus having uniform overlap for hot roll |
| CN102452130A (en) * | 2010-11-02 | 2012-05-16 | 吉林久盛机械加工有限公司 | Four-axis synchronous powerful vibration excitation device used for automatic block moulding machine |
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| CN208288673U (en) * | 2018-04-04 | 2018-12-28 | 浙江明牌珠宝科技有限公司 | A kind of precious metal sheets milling train |
| CN110303110A (en) * | 2019-08-16 | 2019-10-08 | 徐州市特种锻压机床厂 | A kind of hydraulic forging press and forging method |
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| CN114713636B (en) | 2023-11-28 |
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