CN117531849A - Detection method for roller gap injection condition - Google Patents
Detection method for roller gap injection condition Download PDFInfo
- Publication number
- CN117531849A CN117531849A CN202311718939.7A CN202311718939A CN117531849A CN 117531849 A CN117531849 A CN 117531849A CN 202311718939 A CN202311718939 A CN 202311718939A CN 117531849 A CN117531849 A CN 117531849A
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- CN
- China
- Prior art keywords
- roller
- emulsion
- roll
- emulsion nozzle
- adjusting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000001514 detection method Methods 0.000 title claims abstract description 49
- 238000002347 injection Methods 0.000 title claims abstract description 23
- 239000007924 injection Substances 0.000 title claims abstract description 23
- 239000000839 emulsion Substances 0.000 claims abstract description 100
- 238000005507 spraying Methods 0.000 claims abstract description 33
- 238000009826 distribution Methods 0.000 claims abstract description 16
- 239000011248 coating agent Substances 0.000 claims abstract description 5
- 238000000576 coating method Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 25
- 238000004140 cleaning Methods 0.000 claims description 24
- 239000007921 spray Substances 0.000 claims description 6
- 239000004519 grease Substances 0.000 claims description 5
- 235000014121 butter Nutrition 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000005461 lubrication Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 238000009991 scouring Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0239—Lubricating
- B21B45/0245—Lubricating devices
- B21B45/0248—Lubricating devices using liquid lubricants, e.g. for sections, for tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a detection method of a roller gap injection condition, which comprises the following steps: step S1: uniformly coating an identification layer on the surface of the roller, and installing and positioning the roller; step S2: adjusting a roll gap between an upper working roll and a lower working roll in the roll to a target thickness; step S3: opening an emulsion nozzle corresponding to the roller, and closing the emulsion nozzle after the emulsion nozzle is opened for a target time; step S4: and dredging or adjusting the angle of the emulsion nozzle corresponding to the detection area according to the distribution condition of the marking layers on the surfaces of the upper working roller and the lower working roller of the roller. According to the detection method provided by the invention, the identification layer is arranged on the roller to judge whether the emulsion nozzle corresponding to the detection area needs to be dredged or the angle is adjusted, so that the spraying condition of emulsion in the roller gap can be effectively verified, the spraying angle of emulsion in the roller gap can be timely adjusted, the roller is ensured to be cooled and lubricated uniformly, and the surface quality of a strip is improved.
Description
Technical Field
The invention relates to the field of roller emulsion injection detection methods, in particular to a detection method for a roller gap injection condition.
Background
The emulsion for aluminum alloy hot rolling mainly plays roles of cooling, lubricating and cleaning, and can not only control the roll shape and reduce energy consumption during rolling, but also reduce the abrasion and aluminum adhesion on the surface of a roll and improve the surface quality of a rolled product. The uniformity of the roller gap emulsion injection is critical to the lubrication and cooling of a rolling deformation zone, the improper roller gap emulsion injection can cause uneven temperature of the roller surface, poor lubrication and even local aluminum adhesion are direct factors for reducing the surface quality of a strip.
In the prior art, the injection test effect of the roll gap emulsion is generally determined by adopting a water column distribution diagram before installation, however, the injection angle, the flow size, the injection pressure and the like are limited by equipment space after installation, and the injection of the roll gap emulsion cannot be verified by adopting the water column distribution diagram, so that the actual injection condition of the emulsion after the rolling equipment is started cannot be accurately judged.
Therefore, how to effectively detect the spraying condition of the emulsion at the roll gap of the roll is a technical problem that needs to be solved by the person skilled in the art.
Disclosure of Invention
The invention aims to provide a detection method for the roller gap spraying condition, which is used for accurately detecting the spraying condition of roller gap emulsion, is beneficial to dredging an emulsion nozzle in time and adjusting the spraying angle of the emulsion nozzle, and ensures that lubrication and cooling are uniform in the working process of a roller.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a detection method of roller gap injection condition comprises the following steps:
step S1: uniformly coating an identification layer on the surface of a roller, and installing and positioning the roller;
step S2: adjusting a roll gap between an upper working roll and a lower working roll in the roll to a target thickness;
step S3: opening an emulsion nozzle corresponding to the roller, and closing the emulsion nozzle after the emulsion nozzle is opened for a target time;
step S4: and dredging or adjusting the angle of the emulsion nozzle corresponding to the detection area according to the distribution condition of the marking layers on the surfaces of the upper working roller and the lower working roller of the roller.
Preferably, in the step S1, the identification layer is a grease identification layer.
Preferably, the identification layer is a yellow oil layer.
Preferably, in the step S2, the target thickness is 7-9mm.
Preferably, in the step S3, the target time is 15-17S.
Preferably, in the step S4, before determining the distribution of the identification layer, the method further includes:
and pulling out the upper working roller and the lower working roller and moving the upper working roller and the lower working roller to a preset position.
Preferably, the step S3 further includes: the emulsion nozzle in the roll was turned on at 100% power.
Preferably, the step S4 further includes:
when the cleaning area of the detection area is larger than the preset area, the emulsion nozzle does not need to be adjusted;
when the cleaning area of the detection area is smaller than the preset area, adjusting the inclination angle of the emulsion nozzle corresponding to the detection area or dredging the emulsion nozzle corresponding to the detection area;
and when the cleaning areas of the detection areas do not intersect, adjusting the inclination angle of the emulsion nozzle corresponding to the detection areas.
Preferably, the step S4 further includes: and adjusting the spraying angle of each emulsion nozzle to be 30-60 degrees relative to the axial direction of the roller.
Preferably, the step S4 includes:
and respectively judging the distribution condition of the identification layers of the upper working roller and the lower working roller of the roller on the inlet side and the identification layers of the upper working roller and the lower working roller of the roller on the outlet side.
The invention provides a detection method of roller gap injection condition, which comprises the following steps: step S1: uniformly coating an identification layer on the surface of a roller, and installing and positioning the roller; step S2: adjusting a roll gap between an upper working roll and a lower working roll in the roll to a target thickness; step S3: opening an emulsion nozzle corresponding to the roller, and closing the emulsion nozzle after the emulsion nozzle is opened for a target time; step S4: and dredging or adjusting the angle of the emulsion nozzle corresponding to the detection area according to the distribution condition of the marking layers on the surfaces of the upper working roller and the lower working roller of the roller. According to the detection method of the roll gap spraying condition, the marking layer is arranged on the roll, the roll gap thickness of the roll is consistent with the roll gap thickness in the working state, the part of the marking layer on the roll is washed away by the emulsion sprayed by the emulsion nozzle, then whether the emulsion nozzle corresponding to the detection area needs to be dredged or the angle is adjusted according to the distribution condition of the marking layer can be judged, the method can effectively verify the spraying condition of the emulsion in the roll gap, timely adjust the roll gap emulsion spraying angle, ensure that the roll is cooled and lubricated uniformly, and improve the surface quality of a strip.
In a preferred embodiment, the step S4 further includes: when the cleaning area of the detection area is larger than the preset area, the emulsion nozzle does not need to be adjusted; when the cleaning area of the detection area is smaller than the preset area, adjusting the inclination angle of the emulsion nozzle corresponding to the detection area or dredging the emulsion nozzle corresponding to the detection area; and when the cleaning areas of the detection areas do not intersect, adjusting the inclination angle of the emulsion nozzle corresponding to the detection areas. According to the process, the inclination angle of the emulsion nozzle corresponding to the detection area can be timely adjusted or the emulsion nozzle corresponding to the detection area can be dredged by judging the size of the cleaning area or judging whether the cleaning area has an intersection, so that the method is simple and convenient and easy to operate.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart of an embodiment of a method for detecting a roll gap injection condition according to the present invention.
Detailed Description
The core of the invention is to provide a detection method of the roller gap spraying condition, which can rapidly verify the effect condition of roller gap emulsion spraying and accurately position the continuity and smoothness of the emulsion nozzle.
In order to better understand the aspects of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
Referring to fig. 1, fig. 1 is a flowchart of an embodiment of a method for detecting a roll gap injection condition according to the present invention.
In this embodiment, the method for detecting the roll gap injection condition includes the steps of:
step S1: uniformly coating an identification layer on the surface of a roller, and installing and positioning the roller;
step S2: adjusting a roll gap between an upper working roll and a lower working roll in the roll to a target thickness;
step S3: opening an emulsion nozzle corresponding to the roller, and closing the emulsion nozzle after the emulsion nozzle is opened for a target time;
step S4: and dredging or adjusting the angle of the emulsion nozzle corresponding to the detection area according to the distribution condition of the marking layers on the surfaces of the upper working roller and the lower working roller of the roller.
In particular, the application of the marking layer should be uniform and, for ease of viewing, the marking layer should have a certain thickness, for example 0.5-2mm; after the marking layer is uniformly coated, the roller is required to be installed and positioned, namely, the roller is required to be installed and paired; in order to more accurately simulate the spraying condition of an emulsion nozzle when the roller is in a working state, the target thickness is generally the thickness of a roller gap when the roller is in the working state; the target time is to discharge the flowing time of the emulsion, namely the time from starting the emulsion nozzle to spraying the emulsion, and the time of spraying the emulsion for 7-10s after the normal spraying of the emulsion is ensured, so that the emulsion has good scouring effect on the identification layer, and the actual spraying time of the roller in the working state is also met.
According to the detection method of the roll gap spraying condition, the marking layer is arranged on the roll, the roll gap thickness of the roll is consistent with the roll gap thickness in the working state, the part of the marking layer on the roll is washed away by the emulsion sprayed by the emulsion nozzle, then whether the emulsion nozzle corresponding to the detection area needs to be dredged or the angle is adjusted according to the distribution condition of the marking layer can be judged, the method can effectively verify the spraying condition of the emulsion in the roll gap, timely adjust the roll gap emulsion spraying angle, ensure that the roll is cooled and lubricated uniformly, and improve the surface quality of a strip.
In some embodiments, in the step S1, the identification layer is a grease identification layer. Specifically, for the convenience of observation, the marking layer is preferably a colored grease marking layer, and the grease marking layer is not easy to adhere to the roller and is easy to be washed away by emulsion, so that the marking effect can be achieved.
In some embodiments, the identification layer is a yellow oil layer. Butter is used as the smearing material because the butter is not easy to react with the emulsion, and meanwhile, the butter has color, is convenient to obtain materials and has low cost.
In some embodiments, in the step S2, the target thickness is 7-9mm, and the thickness may be adjusted according to the thickness of the roll gap actually produced, and is not limited to the thickness given in this example.
In some embodiments, in the step S3, the target time is 15-17S, and specifically, the target time can ensure that the emulsion has a good scouring effect on the marking layer, and the target time can be adjusted according to the actual situation, and is not limited to the time given in this embodiment.
In some embodiments, in step S4, before determining the identifier layer distribution, the method further includes:
and pulling out the upper working roller and the lower working roller and moving the upper working roller and the lower working roller to preset positions, so that the scouring conditions of the upper working roller and the upper marking layer of the lower working roller are conveniently observed, and the judgment accuracy is improved.
In some embodiments, the step S3 further includes: the emulsion nozzles in the roller are opened according to 100% of power, and each emulsion nozzle can be guaranteed to be in the maximum pressure state by opening the emulsion nozzles through 100% of power, so that whether the emulsion nozzles are blocked or not can be judged better.
In some embodiments, the step S4 further includes:
when the cleaning area of the detection area is larger than the preset area, the emulsion nozzle does not need to be adjusted;
when the cleaning area of the detection area is smaller than the preset area, adjusting the inclination angle of the emulsion nozzle corresponding to the detection area or dredging the emulsion nozzle corresponding to the detection area;
and when the cleaning areas of the detection areas do not intersect, adjusting the inclination angle of the emulsion nozzle corresponding to the detection areas. The cleaning area is the area where the marking layer no longer covers the surface of the roll after being flushed with the emulsion.
According to the process, the inclination angle of the emulsion nozzle corresponding to the detection area or the emulsion nozzle corresponding to the detection area can be timely adjusted by judging whether the cleaning area has an intersection or not, namely, the coverage area of the identification layer is larger, the coverage area of the identification layer is smaller, and the method is simple and convenient and easy to operate.
In some embodiments, the step S4 further includes: the spray angle of each emulsion nozzle is adjusted to be 30-60 degrees relative to the axial direction of the roller, and the angle can avoid the condition that two adjacent cleaning areas are not intersected due to the axial spraying perpendicular to the roller, and can also be parallel to the axial spraying of the roller, so that the spray area is small.
In some embodiments, the step S4 includes:
and respectively judging the distribution condition of the identification layers of the upper working roller and the lower working roller of the roller on the inlet side and the identification layers of the upper working roller and the lower working roller of the roller on the outlet side.
Specifically, by checking and judging the distribution of the upper working roller and the lower working roller at the inlet side and the upper working roller and the lower working roller at the outlet side, the spraying state of each emulsion nozzle can be better judged, so that corresponding adjustment and dredging are carried out, and the spraying lubrication and cooling uniformity of the roller are ensured.
In one embodiment, the butter identification layer is uniformly smeared on the surface of the roller, and the butter between the brushing roller and the coaming is ensured to be visible; after the roller loading and the roller pairing are completed, the roller gap of the roller is adjusted to be about 8mm in thickness, the emulsion spraying of the supporting roller is closed, the emulsion nozzle of the working roller is opened 100%, the emulsion nozzle is opened for 15 seconds, each working roller of the roller is dragged out after the spraying is completed, and the spraying condition is confirmed.
If the emulsion spray angle is not deviated, the emulsion spray angle is concentrated between the guard plate and the cleaning roller, which means that the emulsion angle does not need to be adjusted; the cleaning areas of the middle part and the transmission side of the working roller on the inlet side after spraying are smaller, which indicates that the emulsion nozzles corresponding to the middle part and the transmission side of the working roller on the inlet side are slightly blocked; the area of the cleaning area in the middle of the lower working roll at the inlet side after spraying is smaller, which indicates that the emulsion nozzle corresponding to the middle of the lower working roll at the inlet side is slightly blocked; the cleaning areas in the middle of the working rolls on the outlet side after spraying are not intersected, namely the cleaning areas are not covered in a crossing way, namely intermittent butter exists on the lateral surface of the roller of the spraying surface, which indicates that the emulsion nozzles corresponding to the middle of the working rolls on the outlet side are slightly blocked; the phenomenon that a plurality of cleaning areas do not cover in a crossing way exists in the middle part of the lower working roll at the outlet side and the transmission side after spraying, which indicates that the emulsion nozzles corresponding to the middle part of the lower working roll at the outlet side and the transmission side are seriously blocked.
The method can rapidly verify the effect condition of the roll gap emulsion injection, accurately position the continuity and smoothness of the emulsion nozzle, dredge the emulsion nozzle and a corresponding pipeline in time, adjust the injection angle and injection pressure, and ensure the uniform injection lubrication and cooling of the roller.
The detection method of the roller gap injection condition provided by the invention is described in detail above. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (10)
1. The method for detecting the roller gap injection condition is characterized by comprising the following steps of:
step S1: uniformly coating an identification layer on the surface of a roller, and installing and positioning the roller;
step S2: adjusting a roll gap between an upper working roll and a lower working roll in the roll to a target thickness;
step S3: opening an emulsion nozzle corresponding to the roller, and closing the emulsion nozzle after the emulsion nozzle is opened for a target time;
step S4: and dredging or adjusting the angle of the emulsion nozzle corresponding to the detection area according to the distribution condition of the marking layers on the surfaces of the upper working roller and the lower working roller of the roller.
2. The method according to claim 1, wherein in the step S1, the marking layer is a grease marking layer.
3. The method of claim 2, wherein the marking layer is a yellow oil layer.
4. The method according to claim 1, wherein in the step S2, the target thickness is 7-9mm.
5. The method according to claim 1, wherein in the step S3, the target time is 15-17S.
6. The method according to claim 1, wherein in step S4, before determining the distribution of the marking layer, the method further comprises:
and pulling out the upper working roller and the lower working roller and moving the upper working roller and the lower working roller to a preset position.
7. The method according to claim 1, wherein the step S3 further comprises: the emulsion nozzle in the roll was turned on at 100% power.
8. The method according to any one of claims 1 to 7, wherein the step S4 further comprises:
when the cleaning area of the detection area is larger than the preset area, the emulsion nozzle does not need to be adjusted;
when the cleaning area of the detection area is smaller than the preset area, adjusting the inclination angle of the emulsion nozzle corresponding to the detection area or dredging the emulsion nozzle corresponding to the detection area;
and when the cleaning areas of the detection areas do not intersect, adjusting the inclination angle of the emulsion nozzle corresponding to the detection areas.
9. The method for detecting a roll gap spray condition according to claim 8, wherein said step S4 further comprises: and adjusting the spraying angle of each emulsion nozzle to be 30-60 degrees relative to the axial direction of the roller.
10. The method for detecting a roll gap spray condition according to claim 8, wherein the step S4 includes:
and respectively judging the distribution condition of the identification layers of the upper working roller and the lower working roller of the roller on the inlet side and the identification layers of the upper working roller and the lower working roller of the roller on the outlet side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311718939.7A CN117531849A (en) | 2023-12-13 | 2023-12-13 | Detection method for roller gap injection condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311718939.7A CN117531849A (en) | 2023-12-13 | 2023-12-13 | Detection method for roller gap injection condition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117531849A true CN117531849A (en) | 2024-02-09 |
Family
ID=89795908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311718939.7A Pending CN117531849A (en) | 2023-12-13 | 2023-12-13 | Detection method for roller gap injection condition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117531849A (en) |
-
2023
- 2023-12-13 CN CN202311718939.7A patent/CN117531849A/en active Pending
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