CN218945935U - Squeezing device of rolling mill - Google Patents
Squeezing device of rolling mill Download PDFInfo
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- CN218945935U CN218945935U CN202222467301.8U CN202222467301U CN218945935U CN 218945935 U CN218945935 U CN 218945935U CN 202222467301 U CN202222467301 U CN 202222467301U CN 218945935 U CN218945935 U CN 218945935U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The application relates to a rolling mill wringing device, is applicable to metal strip surface deoiling, includes: the device comprises a frame, a squeezing roller set, a blowing component and an oil removing roller set, wherein the squeezing roller set is provided with an upper roller piece positioned above a metal strip and a lower roller piece positioned below the metal strip, the blowing component is arranged beside the squeezing roller set, the front end of the blowing component is provided with an air outlet of which the air outlet faces the surface of the metal strip, the oil removing roller set is positioned at the rear side of the outlet of the squeezing roller set and comprises oil removing rollers respectively positioned above and below the metal strip, and a plurality of ribs are distributed on the roller surfaces of the oil removing rollers. The three oil removal pipes are used for controlling, the squeezing and oil removal effects are very good, so that the rolling stability is improved, the rolling production process speed is improved, the production efficiency is improved, the production cost is reduced, the problem of rolling and slipping caused by residual oil on the surface of a material is avoided, the production yield is effectively improved, and the problems of material surface color difference and scratch caused by accumulation of metal powder scraps and roller surface damage in the rolling process are basically avoided.
Description
Technical Field
The application relates to the technical field of cold rolling, in particular to a rolling mill squeezing device.
Background
The precise metal strip rolling oil removal wringing device is a key auxiliary facility of cold rolling equipment, development and application of the device are very difficult technical problems, along with the continuous development of the modern processing and manufacturing industry, materials tend to be more ultrathin, surfaces tend to be more bright, great difficulty is brought to rolling control, stricter requirements are also provided for oil removal wringing effects, and the technology and hardware are continuously improved. In the practical application effect, the device directly influences the appearance surface quality of the metal strip product, and determines the stability and safety of the rolling process. The existing oil removing and squeezing device in the market has various different forms, such as three-roller, four-roller and the like, and mostly adopts the design of small steel rollers or 3M rollers of a sectional air bearing, and the working principle of the common oil removing and squeezing device is basically that a certain wrap angle is formed between a roller body and strip steel to realize squeezing oil removing.
However, the squeezing effect in the prior art is not ideal, the waste of rolling oil is large, the residual oil on the surface of the metal strip is large, and a plurality of chain reactions such as limited rolling speed can be caused for preventing the rolling.
Disclosure of Invention
In view of the above, the present application proposes a rolling mill wringing device suitable for removing oil from a metal strip surface, comprising a frame, and a wringing roller set, a blowing component and an oil removing roller set mounted thereon; the squeezing roller set is provided with an upper roller piece positioned above the metal strip and a lower roller piece positioned below the metal strip; the blowing component is arranged at the side of the squeezing roller set, and the front end of the blowing component is provided with an air outlet with air outlet facing the surface of the metal strip; the oil removing roller set is positioned at the rear side of the outlet of the squeezing roller set and comprises oil removing rollers respectively positioned above and below the metal strip, and a plurality of ribs are distributed on the roller surface of the oil removing rollers.
In one possible implementation, the wringing roller set further includes a first power portion; the first power part is fixedly connected with the upper roller, and can longitudinally drive the upper roller to be close to or far away from the lower roller.
In one possible implementation manner, the upper roller member is hollow, the lower roller member has the same structure as the upper roller member, and the diameters of the upper roller member and the lower roller member are greater than or equal to 150mm and less than or equal to 250mm.
In one possible implementation, the purge assembly includes a gas source, a purge beam, and a nozzle; the purging beam is hollow and communicated with the air source, and one side of the purging Liang Kaojin squeezing roller set is provided with a plurality of air outlets; the nozzles are arranged on the air outlets of the purging beams and are matched with the air outlets in number.
In one possible implementation, the installation position of the purging component is located between the wringing roller set and the degreasing roller set, and the number of the purging components is two, and the purging components are respectively arranged above the metal strip and below the metal strip.
In one possible implementation, the air outlet end of the nozzle has a flat strip-like structure, and the direction of the flat end converges with the rolling direction of the metal strip.
In one possible implementation, the air outlets are arranged on the purge beam at equal intervals.
In one possible implementation manner, a circle formed by connecting a plurality of convex edge vertexes is an outer ring of the oil removing roller, and the diameter of the outer ring of the oil removing roller is more than or equal to 15mm and less than or equal to 30mm; an oil scraping groove is formed between two adjacent ribs, and the maximum depth of the oil scraping groove is more than or equal to 3mm and less than or equal to 5mm. Each rib is arranged along the axial direction of the oil removing roller, and the ribs are flush with two ends of the oil removing roller.
In one possible implementation, the degreasing roll is made of silicone rubber.
In one possible implementation, the degreasing roller set further comprises a roller frame, and the spiral lifting assembly further comprises a spiral lifting assembly; more than two oil removing rollers are arranged on the roller frame at intervals; the driving end of the spiral lifting assembly is connected with the roller frame through a driving piece and can drive the roller frame to ascend or descend, the outer side of the spiral lifting assembly is an operation end, and an operation rotating handle connected with the driving piece is arranged.
The beneficial effects of this application: most of the oil attached to the metal strip is taken away through the upper roller and the lower roller, residual oil on the metal strip can be extruded to form an oil film attached to the metal strip by the extruding roller group, impurities, residues and the like still attached to the surface of the metal strip after being extruded are blown off the surface of the strip by the blowing component, and finally, a plurality of ribs are arranged on the oil removing roller so as to scrape the oil film pressed on the metal strip from the surface of the oil film and discharge the oil film through gaps among the ribs, so that a better oil removing effect is finally realized, the rolling speed is improved reasonably by operators in the field, and the adverse conditions such as sliding and rolling of the metal strip are avoided.
In conclusion, the three oil removal pipes are used for controlling, the squeezing oil removal effect is very good, so that the rolling stability is improved, the rolling production process speed is improved, the production efficiency is improved, the production cost is reduced, the problem of rolling and slipping due to residual oil on the surface of a material is avoided, and the production yield is effectively improved. The running stability of the equipment is improved, the problems of uneven stress, unstable rolling and the like caused by the sectional oil squeezing roller are avoided, and the problems of material surface color difference, scratch and the like caused by accumulation of metal powder scraps and roller surface damage in the rolling process are basically avoided.
Other features and aspects of the present application will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features and aspects of the present application and together with the description, serve to explain the principles of the present application.
FIG. 1 shows a schematic main view of a rolling mill wringer device according to an embodiment of the present application;
FIG. 2 shows a schematic representation of the main parts of a rolling mill wringer device according to an embodiment of the present application;
FIG. 3 illustrates a schematic view of a purge assembly of a rolling mill wringer device according to an embodiment of the present application.
Detailed Description
Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers indicate identical or functionally similar elements. Although various aspects of the embodiments are illustrated in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
It should be understood, however, that the terms "center," "longitudinal," "transverse," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," and the like indicate or are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description or to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The word "exemplary" is used herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
In addition, numerous specific details are set forth in the following detailed description in order to provide a better understanding of the present application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, methods, means, elements, and circuits have not been described in detail as not to unnecessarily obscure the present application.
FIG. 1 shows a schematic main view of a rolling mill wringer device according to an embodiment of the present application; FIG. 2 shows a schematic representation of the main parts of a rolling mill wringer device according to an embodiment of the present application; FIG. 3 illustrates a schematic view of a purge assembly of a rolling mill wringer device according to an embodiment of the present application.
As shown in fig. 1-3, the rolling mill wringing device is suitable for removing oil from the surface of a metal strip 10, and comprises: the device comprises a frame, a squeezing roller set 20, a blowing component 30 and a deoiling roller set 40, wherein the squeezing roller set 20 is provided with an upper roller piece positioned above a metal strip 10 and a lower roller piece 22 positioned below the metal strip 10, the blowing component 30 is arranged at the side of the squeezing roller set 20, the front end of the blowing component 30 is provided with an air outlet of which the air outlet faces the surface of the metal strip 10, the deoiling roller set 40 is positioned at the rear side of the outlet of the squeezing roller set 20 and comprises deoiling rollers 41 respectively positioned above and below the metal strip 10, and a plurality of ribs are distributed on the roller surfaces of the deoiling rollers 41.
In this embodiment, this application removes oil pipe through the three and controls, and the wringing deoiling effect is very good to promoted rolling stability, promoted rolling production process speed and promoted, production efficiency improves, reduction in production cost has avoided causing the rolling to slide the roll problem because of material surface residual oil, and the production yield can effectively promote. The running stability of the equipment is improved, the problems of uneven stress, unstable rolling and the like caused by the sectional oil squeezing roller are avoided, and the problems of material surface color difference, scratch and the like caused by accumulation of metal powder scraps and roller surface damage in the rolling process are basically avoided.
Further, most of the oil attached to the metal strip 10 is carried away by the upper roller and the lower roller 22, and the residual oil on the metal strip 10 can be extruded by the wringing roller set 20 to form an oil film attached to the metal strip 10, the impurities, residues and the like still attached to the surface of the metal strip 10 after extrusion are blown off the surface of the strip by the blowing component 30, and finally, the oil film pressed on the metal strip 10 is scraped off from the surface by the plurality of ribs arranged on the oil removing roller 41 and discharged through gaps among the ribs, so that a better oil removing effect is finally realized, the rolling speed is improved reasonably by the implementation personnel in the field, and the adverse conditions such as sliding and rolling of the metal strip 10 are avoided.
It should be noted that, the wringing roller set 20 and the degreasing roller set 40 in the present application are both passively rotated, so that defects such as surface scratch caused by asynchronous rolling of steel and steel strip are avoided, and a driving component for driving the metal strip 10 to move is realized through the prior art, so that the driving component is not shown in the present application. It should also be noted that the front-to-back direction referred to in this application is the rolling direction of the metal strip 10. The metal strip 10 is typically a steel strip. The frame is used as a structural frame, the structure of the frame is not limited specifically, and the frame is only required to ensure that the wringing roller set 20, the blowing component 30, the degreasing roller set 40 and the like can be stably installed on the frame.
In one embodiment, a set of air knives are provided behind the upper and lower roll members 22, each of which has 4 flat nozzles for removing residual oil from the previous pre-degreasing operation. The oil removing roller 41 made of two groups of high temperature resistant silicone rubber is arranged at the rear side of the purging air knife, the oil removing roller 41 is made of special customized silicone rubber, the high temperature resistance is 200 ℃, the problem that the heat is released in the process of processing the strip material in a large deformation mode, the damage of the extrusion strips is caused, the oil extrusion effect is affected is avoided, meanwhile, the problem that the pollution is caused in the process of processing the material because the extrusion strips are not high temperature resistant to melt, slag is removed and the like is avoided, the silicone rubber is softer than the steel roller, and the scratch caused by friction between the extrusion roller body and the steel strip can be reduced or avoided. The oil removing roller 41 has several raised edges to make the rolled surface similar to saw tooth, and this structure has better oil extruding effect than circular planar design or other design, and this design can extrude the residual metal powder and oil film on the surface of the metal belt 10 after cold deformation into the saw tooth gap and flow along the saw tooth gap to eliminate the residual oil film, so as to avoid the damage, color difference and other defects of the belt.
The specific working flow of the rolling mill squeezing device is as follows: after the metal strip 10 is transported to the wringing roller set 20 by the driving component, the upper roller piece and the lower roller piece 22 which are arranged above and below the metal strip 10 are matched with each other to carry out the previous degreasing on the metal strip 10, most of oil on the metal strip 10 is adhered to the roller surfaces of the upper roller piece and the lower roller piece 22 by extrusion, then the metal strip 10 subjected to the preliminary degreasing treatment is removed by strong blowing through the blowing component 30, at this time, only one layer of oil film on the metal strip 10 is adsorbed on the surface of the metal strip 10, finally, the strip of the degreasing roller set 40 is taken, a plurality of ribs are distributed on the surface of the degreasing roller 41, the layer of oil film is scraped from the metal strip 10, and is discharged from two ends of the degreasing roller 41 through gaps between two adjacent ribs, so that the residual oil film on the surface of the metal strip 10 is completely removed.
In one embodiment, the wringing roller set further includes a first power portion 60, the first power portion 60 being fixedly connected to the upper roller member, the first power portion 60 being capable of driving the upper roller member in a longitudinal direction toward or away from the lower roller member 22.
In this embodiment, the first power unit 60 is usually a hydraulic device, and drives the upper roller member through the hydraulic device, so as to control the relative distance between the upper roller member and the lower roller member 22, squeeze the metal strip 10 during operation, hydraulically control the lifting action mode, and can realize stable contact pressure between the steel rolling and the steel strip on the premise of low cost, and restore the non-working state to the state that the initial upper roller member and the initial lower roller member 22 are relatively far away; provides a wider operating space for the operators in the field and is easy to maintain.
In one embodiment, the upper roller member is hollow, the lower roller member 22 has the same structure as the upper roller member, and the diameters of the upper roller member and the lower roller member 22 are within 150mm or more and 250mm or less.
In this embodiment, the upper and lower rollers 22 are preferably hollow, which has the advantages of reduced load, ease of operation, reduced failure rate, etc.
In one embodiment, the purging component 30 includes an air source, a purging beam and a nozzle, the purging beam is hollow and is communicated with the air source, a plurality of air outlets are formed in one side of the purging beam, which is close to the wringing roller set 20, and the nozzle is mounted on the air outlets of the purging beam and is matched with the air outlets in number.
In one embodiment, the purge assembly 30 is installed between the wringer roller set 20 and the de-oiling roller set 40, and the number of purge assemblies 30 is two, and they are respectively disposed above the metal strip 10 and below the metal strip 10.
In this embodiment, the purge component 30 is located before the wringing roller set 20 and the degreasing roller set 40, and serves as a transition step for final degreasing, so that residues, impurities and the like are first removed strongly, and damage to the structure of the degreasing roller 41 caused by the residual residues in the subsequent steps is avoided, and a relatively long service life is ensured.
More specifically, one side of the purging component 30 is provided with an angle adjusting device, an adjusting rail is arranged on the angle adjusting device, a corresponding angle adjusting piece is correspondingly arranged on the side of the purging component 30, the purging component 30 is driven to integrally slide along the adjusting rail through the angle adjusting piece, and air knives of different angles are cleaned so as to be convenient for coping with metal strips 10 of different conditions and different thicknesses.
In one embodiment, the air outlet end of the nozzle is in a flat strip configuration, and the flat end is oriented to converge in the rolling direction of the metal strip 10.
In this embodiment, the flat strip-shaped structure referred to in the present application is a strip-shaped structure, and the direction of the flat end is converged with the rolling direction of the metal strip 10, that is, the length direction of the strip-shaped structure is the same or substantially the same as the rolling direction of the metal strip 10, and the nozzle of the flat structure is beneficial to increasing the wind pressure.
In one embodiment, four air outlets are arranged on the purge beam at equal intervals.
In one embodiment, the circle formed by connecting the vertexes of the plurality of ribs is the outer ring of the oil removing roller 41, the diameter of the outer ring of the oil removing roller 41 is greater than or equal to 15mm and less than or equal to 30mm, an oil scraping groove is formed between two adjacent ribs, and the maximum depth of the oil scraping groove is greater than or equal to 3mm and less than or equal to 5mm. Each of the ribs is provided along the axial direction of the degreasing roll 41, and the ribs are flush with both ends of the degreasing roll 41.
In one embodiment, the degreasing roll 41 is a silicone rubber material.
In this embodiment, the high temperature resistant silicone rubber wringing strip of the degreasing roller 41 is easy to replace, easy to maintain, low in cost, and capable of saving maintenance time and reducing maintenance cost. And the silicon rubber material is softer than the steel roller, so that the scratch caused by friction between the squeezing roller set 20 and the steel belt can be reduced or avoided.
In one embodiment, the oil removing roller set 40 further comprises a roller frame 42, more than two oil removing rollers 41 are mounted on the roller frame 42 at intervals, a driving end of the spiral lifting assembly 50 is connected with the roller frame 42 through a driving piece and can drive the roller frame 42 to ascend or descend, an operating end is arranged on the outer side of the spiral lifting assembly 50, and an operating rotating handle connected with the driving piece is arranged on the outer side of the spiral lifting assembly.
In this embodiment, the transmission member may be a total threaded rod transversely arranged perpendicular to the rolling direction, and through two or more branch threaded rods connected with the transmission member in a matching manner, the transmission member is driven to a roller frame 42 located above the metal strip 10 or below the metal strip 10 on the basis of ensuring the stability of ascending and descending, and the lifting manner of the roller frame 42 is multiple, not only, but also a hydraulic cylinder driving manner can be selected to drive the roller frame to directly lift.
The embodiments of the present application have been described above, the foregoing description is exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. The squeezing device of the rolling mill is suitable for removing oil on the surface of the metal strip and is characterized by comprising a frame, a squeezing roller set, a blowing component and an oil removing roller set which are arranged on the frame;
the squeezing roller set is provided with an upper roller piece positioned above the metal strip and a lower roller piece positioned below the metal strip;
the blowing component is arranged at the side of the squeezing roller set, and the front end of the blowing component is provided with an air outlet with air outlet facing the surface of the metal strip;
the oil removing roller set is positioned at the rear side of the outlet of the squeezing roller set and comprises oil removing rollers respectively positioned above and below the metal strip, and a plurality of ribs are distributed on the roller surface of the oil removing rollers.
2. The rolling mill wringing device of claim 1, wherein the wringing roller set further comprises a first power portion;
the first power part is fixedly connected with the upper roller, and can longitudinally drive the upper roller to be close to or far away from the lower roller.
3. The rolling mill wringing device of claim 1, wherein the interior of the upper roll member is hollow, the lower roll member has the same structure as the upper roll member, and the diameters of the upper roll member and the lower roll member are 150mm or more and 250mm or less.
4. The rolling mill wringing device of claim 1, wherein the purge assembly comprises a gas source, a purge beam, and a nozzle;
the purging beam is hollow and communicated with the air source, and one side of the purging Liang Kaojin squeezing roller set is provided with a plurality of air outlets;
the nozzles are arranged on the air outlets of the purging beams and are matched with the air outlets in number.
5. The rolling mill wringing device of claim 4, wherein the mounting location of the purge assembly is between the wringing roller set and the degreasing roller set, and the number of purge assemblies is two, disposed above the metal strip and below the metal strip, respectively.
6. The apparatus according to claim 4, wherein the air outlet end of the nozzle has a flat strip-like structure, and the flat end is oriented so as to converge with the rolling direction of the metal strip.
7. The rolling mill wringing device of claim 4, wherein the air outlets are equally spaced on the purge beam.
8. The rolling mill wringing device according to claim 1, wherein a circle formed by connecting a plurality of convex edge vertexes is an outer ring of the degreasing roller, and the diameter of the outer ring of the degreasing roller is 15mm or more and 30mm or less;
an oil scraping groove is formed between two adjacent ribs, and the maximum depth of the oil scraping groove is more than or equal to 3mm and less than or equal to 5mm.
9. The rolling mill wringing device of claim 1, wherein each of the ribs is disposed axially of the deoiling roller and the ribs are flush with both ends of the deoiling roller;
the oil removing roller is made of silicone rubber.
10. The rolling mill wringing device of claim 1, further comprising a spiral lifting assembly, the de-oiling roller set further comprising a roller frame;
more than two oil removing rollers are arranged on the roller frame at intervals;
the driving end of the spiral lifting assembly is connected with the roller frame through a driving piece and can drive the roller frame to ascend or descend, the outer side of the spiral lifting assembly is an operation end, and an operation rotating handle connected with the driving piece is arranged.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222467301.8U CN218945935U (en) | 2022-09-16 | 2022-09-16 | Squeezing device of rolling mill |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222467301.8U CN218945935U (en) | 2022-09-16 | 2022-09-16 | Squeezing device of rolling mill |
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| CN218945935U true CN218945935U (en) | 2023-05-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117161092A (en) * | 2023-09-12 | 2023-12-05 | 江苏甬金金属科技有限公司 | Intelligent steel strip rolling device capable of preventing stress deformation |
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2022
- 2022-09-16 CN CN202222467301.8U patent/CN218945935U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117161092A (en) * | 2023-09-12 | 2023-12-05 | 江苏甬金金属科技有限公司 | Intelligent steel strip rolling device capable of preventing stress deformation |
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