CN115673037A - Adjustable leveling machine - Google Patents
Adjustable leveling machine Download PDFInfo
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- CN115673037A CN115673037A CN202310010384.4A CN202310010384A CN115673037A CN 115673037 A CN115673037 A CN 115673037A CN 202310010384 A CN202310010384 A CN 202310010384A CN 115673037 A CN115673037 A CN 115673037A
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Abstract
The invention relates to the technical field related to plate processing, in particular to an adjustable leveling machine, which comprises: the feeding bracket is used for conveying the plate to be leveled into the leveling machine; the discharging bracket is used for conveying the plate out of the leveling machine; the conveying device is used for completing the movement of the plate to be leveled in the leveling machine; the first leveling roller group is used for preliminarily leveling a plate to be leveled; the first leveling roller group comprises a first upper row of leveling rollers and a first lower row of leveling rollers; the second leveling roller group is used for secondarily leveling the plate; the bending detection group is used for detecting the bending of the flat plate to be corrected; the analysis controller is used for manually setting the operation parameters of the leveler; and a central control unit is arranged in the analysis controller and used for controlling and adjusting the work project of the leveler. The intelligent automatic detection and adjustment process saves a large amount of manpower and improves the leveling efficiency of the invention.
Description
Technical Field
The invention relates to the technical field of plate processing, in particular to an adjustable leveling machine.
Background
The leveling machine is also called as a leveling machine and a leveling machine, is arranged between the material rack and the material feeding machine and is used for leveling coiled materials and plates. The leveler is suitable for cold and hot plates, galvanized plates, aluminum plates, color-coated plates, stainless steel plates and other metal plates, is common equipment in plate processing, is widely applied at present, and therefore, how to improve the leveling precision of the leveler and adjust the leveling precision according to different actual conditions is a hot spot which is paid attention to by people at present.
Chinese patent publication No. CN102909240B discloses a leveler, which comprises a base, a leveler arranged on the base, and a driving device for providing driving force for the leveler; the leveler comprises a bottom plate, a first vertical plate, a second vertical plate, a transverse plate, a first sliding block, a second sliding block, a third sliding block, a fourth sliding block, a first rotating shaft, a first upper roller, a second rotating shaft, a second upper roller, a third rotating shaft, a first lower roller, a rotating gear, a fourth rotating shaft, a second lower roller, a fifth rotating shaft, a driving steering gear, a driving shaft and a driving gear. It can be seen that the leveler described has the following problems: the leveling precision that can't lead to according to actual conditions automatically regulated is low and leveling efficiency is poor.
Disclosure of Invention
Therefore, the invention provides an adjustable leveling machine which is used for solving the problem of low leveling efficiency of a plate caused by the fact that the plate cannot be automatically adjusted with high precision according to actual conditions in the prior art.
To achieve the above object, the present invention provides an adjustable leveling machine, comprising:
the feeding bracket is arranged at a feeding port of the leveling machine and fixedly connected with the leveling machine, and a conveying belt is arranged on the feeding bracket and used for conveying a plate to be leveled into the leveling machine;
the discharging bracket is arranged at a discharging port of the leveling machine and is fixedly connected with the leveling machine; the discharging bracket is provided with a conveying belt used for conveying the plate out of the leveling machine;
the conveying device is arranged in the leveling machine and used for completing the movement of the plate to be leveled in the leveling machine;
the first leveling roller set is arranged in the leveler, is connected with the feeding bracket through the conveying device and is used for primarily leveling a plate to be leveled; the first leveling roller group comprises a first upper row of leveling rollers and a first lower row of leveling rollers;
the second leveling roller group is arranged in the leveling machine, is connected with the discharging bracket through the conveying device and is used for secondarily leveling the plate; the second leveling roller group comprises a second upper row of leveling rollers and a second lower row of leveling rollers; the first leveling roller group and the second leveling roller group are connected through the conveying device;
the bending degree detection group comprises a first bending degree detection device arranged between the feed inlet and the first leveling roller group, a second bending degree detection device arranged between the first leveling roller group and the second leveling roller group, and a third bending degree detection device arranged between the second leveling roller group and the discharge outlet, and is used for detecting the bending degree of the plate to be corrected;
the analysis controller is arranged on the surface of the leveler, connected with the conveying device, the first leveling roller group, the second leveling roller group and the flexibility detection group and used for manually setting the operation parameters of the leveler; the operation parameters of the leveler comprise the rotation speed of each leveling roller in the first leveling roller group and the second leveling roller group, the height of the first upper row of leveling rollers, the height of the second upper row of leveling rollers, the height of the first lower row of leveling rollers, the height of the second lower row of leveling rollers and the conveying speed of the conveying device; a central control unit is arranged in the analysis controller and used for comparing the bending degree of the plate with a preset standard so as to judge whether to adjust the operation parameters of the leveler or not; the analysis controller comprises an audio-visual display screen for displaying the judgment information of the central control unit.
Further, the leveling machine comprises a rotating device connected with the conveying device and the central control unit and used for controlling the direction of the control material entering the first leveling roller group; the central control unit is provided with a first curvature R1, wherein 0 is more than R1, when a plate to be leveled is introduced into the leveler and the first curvature detection device detects the initial longitudinal curvature Ra and the initial transverse curvature Rb of the plate to be leveled, the central control unit compares the Ra and the Rb with the R1 respectively to judge the bending type of the plate to be leveled and the direction of entering the first leveling roller set,
if Ra is less than or equal to R1 and Rb is less than or equal to R1, the central control unit judges that the plate to be leveled is not bent;
if Ra is less than or equal to R1 and Rb is more than R1, the central control unit judges that the flat plate to be corrected is longitudinally bent, and the central control unit controls the plate to transversely enter the first leveling roller group;
if Ra is larger than R1 and Rb is smaller than or equal to R1, the central control unit judges that the flat plate to be corrected is transversely bent, and the central control unit controls the plate to longitudinally enter the first leveling roller group;
if Ra is larger than R1 and Rb is larger than R1, the central control unit judges that the plate to be calibrated is gourd ladle type bending, and the central control unit further judges the direction of the plate to be calibrated entering the first leveling roller group according to the longitudinal bending Ra and the transverse bending Rb of the plate to be calibrated.
Further, when the central control unit judges that the further judgment is carried out according to the longitudinal curvature Ra and the transverse curvature Rb of the plate to be leveled, the central control unit calculates the difference Delta Ra between the longitudinal curvature and the first curvature and the difference Delta Rb between the transverse curvature and the first curvature and compares the Delta Ra and the Delta Rb to judge the direction of the plate to be leveled entering the first leveling roller group, and the settings are that Delta Ra = Ra-R1 and Delta Rb = Rb-R1,
if the Delta Ra is less than or equal to the Delta Rb, the central control unit judges that the control panel longitudinally enters the first leveling roller group;
if delta Ra > -delta Rb, the central control unit judges that the control panel transversely enters the first leveling roller group.
Further, the central control unit is provided with a second tortuosity R2 and a first height adjustment coefficient alpha 1, wherein alpha 1 is more than 0 and less than 1, when the sheet is subjected to primary leveling, the second tortuosity detection device detects secondary longitudinal tortuosity Ra 'and secondary transverse tortuosity Rb' of the sheet, and the central control unit compares Ra 'and Rb' with R2 respectively to judge the once-leveled bending state of the sheet and adjust the second upper-row leveling roller height H1 and/or the second lower-row leveling roller height H2 of the second leveling roller set, wherein the second upper-row leveling roller height H1 is equal to the vertical distance between the lower end point of each included leveling roller and the horizontal plane of the upper surface of the conveying device, the second lower-row leveling roller height H2 is equal to the vertical distance between the upper end point of each included leveling roller and the horizontal plane of the upper surface of the conveying device,
if Ra 'is less than or equal to R2 and Rb' is less than or equal to R2, the central control unit judges that the sheet after preliminary leveling does not have bending, and the height H1 of a second upper row of leveling rollers and/or the height H2 of a second lower row of leveling rollers of a second leveling roller group do not need to be adjusted;
if Ra '≦ R2 and Rb' > R2, the central control unit judges that the sheet material after preliminary leveling is longitudinally bent, the central control unit further judges how to adjust the operation parameters of the second leveling roller set according to the longitudinal bending direction of the sheet material, if the sheet material is longitudinally bent upwards, the central control unit judges that the height H1 of the second upper row of leveling rollers is adjusted by using alpha 1, the height of the adjusted second upper row of leveling rollers is recorded as H1', H1' = H1 x (1 + alpha 1) is set, if the sheet material is longitudinally bent downwards, the central control unit judges that the height H2 of the second lower row of leveling rollers is adjusted by using alpha 1, the height of the adjusted second lower row of leveling rollers is recorded as H2', and H2' = H2 x (1-alpha 1) is set;
if Ra '> R2 and Rb' is less than or equal to R2, the central control unit judges that the plate after preliminary leveling is transversely bent and displays the judgment information through the video display screen to remind the user to check whether the leveler has faults;
if Ra '= R2 and Rb' > R2, the central control unit determines that the sheet material after the preliminary leveling is in the ladle bending, and the central control unit simultaneously adjusts the height H1 of the second upper row of leveling rollers and the height H2 of the second lower row of leveling rollers by using α 1, the adjusted height of the second upper row of leveling rollers is recorded as H1', the adjusted height of the second lower row of leveling rollers is recorded as H2', and H1'= H1 × (1- α 1) and H2' = H2 × (1 + α 1) are set.
Furthermore, the leveling machine is provided with a cleanliness detection device for detecting the surface cleanliness M of any leveling roller, and the leveling machine is also provided with an intelligent decontamination device for cleaning the surface of the leveling roller; the central control unit is provided with a first surface cleanliness M1 and a second surface cleanliness M2, wherein M1 is more than 0 and less than M2, when the leveler operates, the central control unit respectively compares the surface cleanliness M of any leveling roller detected by the cleanliness detection device with M1 and M2 so as to judge whether the surface of the leveling roller is cleaned or not,
if M is less than or equal to M1, the central control unit judges that the surface of the leveling roller does not need to be cleaned;
if M1 is larger than M and is less than or equal to M2, the central control unit judges that the surface of the leveling roller is cleaned and controls the intelligent decontamination device to clean the surface of the leveling roller;
and if M2 is less than M, the central control unit judges that the surface of the leveling roller is cleaned and transmits the judgment information to the video display screen to remind people to clean.
Further, the cleanliness detection device is provided with a first weight coefficient β 1, a second weight coefficient β 2, and a third weight coefficient β 3, where β 1 < β 2 < β 3 < 1 and β 1+ β 2+ β 3=1, and when the cleanliness detection device detects the surface cleanliness M of any one of the leveling rollers, the cleanliness detection device detects the area S1 of the damaged surface of the leveling roller, the number S2 of particles adhering to the surface, and the thickness S3 of accumulated oil contamination, calculates the surface cleanliness M of the leveling roller by using a weighted summation method, and sets M = S1 × β 1+ S2 × β 2+ S3 × β 3.
Further, the central control unit is provided with a third bending degree R3, when the secondary leveling of the plate is completed, the third bending degree detection device detects the third longitudinal bending degree Ra 'and the third transverse bending degree Rb' of the plate and compares the Ra 'and the Rb' with the R3 respectively to judge whether the plate is bent after the secondary leveling,
if Ra is less than or equal to R3 and Rb is less than or equal to R3, the central control unit judges that the plate after secondary leveling is not bent, and the plate meets the preset standard;
if Ra & ltr & gt 3 or Rb & ltr & gt 3 & gt, the central control unit judges that the secondarily leveled plate is bent and does not accord with a preset standard, and compares the rotating speeds of the first leveling roller set and the second leveling roller set with the preset standard to judge whether the speeds of the first leveling roller set and the second leveling roller set are adjusted or not.
Further, the central control unit is provided with a first preset speed V1, a second preset speed V2 and an adjusting coefficient gamma 1, wherein V1 is more than 0 and less than V2, and gamma 1 is more than 0 and less than 1, when the central control unit judges that the plate does not meet the preset standard, the central control unit compares the rotating speed V of each leveling roller in the first leveling roller group and the second leveling roller group with V1 and V2 respectively to judge whether to adjust the rotating speed V of the first leveling roller group and the second leveling roller group or not,
if V is less than or equal to V1, the central control unit judges that the gamma 1 is used for adjusting the rotating speed of each leveling roller in the first leveling roller group and the second leveling roller group, the rotating speed of the adjusted first leveling roller group and the second leveling roller group is marked as V ', and V' = Vx (1 + gamma 1) is set;
if V1 is larger than V and smaller than or equal to V2, the central control unit judges that the rotating speed of each leveling roller in the first leveling roller group and the second leveling roller group does not need to be adjusted and transmits judgment information to the video display screen to remind the leveling machine of troubleshooting;
if V2 is less than V, the central control unit determines that the rotational speed of each of the first leveling roller group and the second leveling roller group is adjusted by using γ 1, and the rotational speed of the adjusted first leveling roller group and the second leveling roller group is denoted as V ', and V' = V × (1- γ 1) is set.
Furthermore, the first leveling roller group and the second leveling roller group use the same power device, and the rotation speed of each leveling roller in the first leveling roller group and the second leveling roller group is the same.
Further, the rotating device is connected with the analysis controller, and the analysis controller changes the direction of the plate entering the first leveling roller group by actively selecting whether to use the rotating device or not.
Compared with the prior art, the automatic leveling device has the advantages that through the primary leveling process and the secondary leveling process of the plate and the corresponding adjusting mode according to different bending conditions of the plate, the leveling precision of the automatic leveling device is improved, meanwhile, the intelligent automatic detection and adjusting process saves labor, and the leveling efficiency of the automatic leveling device is improved.
Furthermore, the conveying device is provided with a rotating device used for controlling the direction of the plate entering the first leveling roller group, so that the leveling of the plate in the direction with larger curvature is more sufficient, the leveling speed is increased, and the leveling efficiency is improved while the leveling precision is ensured.
Furthermore, the central control unit respectively compares Ra and Rb with R1 to judge the bending type of the plate to be leveled, so that the bending state of the plate can be judged more fully, the leveling precision is improved, and the leveling efficiency is improved while the leveling effect is ensured.
Further, the central control unit respectively compares Ra 'and Rb' with R2 to judge the bending state of the plate after primary leveling and how to adjust the operating parameters of the second leveling roller set, so that the problem of poor leveling effect caused by equipment problems is solved, the leveling speed is increased, and the leveling efficiency of the invention is improved while the leveling precision is ensured.
Furthermore, the central control unit is provided with a first surface cleanliness and a second surface cleanliness, when the cleanliness detection device detects that the surface cleanliness of any leveling roller is higher than a preset standard, the central control unit makes corresponding judgment, so that the problem of poor leveling effect caused by unclean surface of the leveling roller is avoided, the leveling speed is increased, and the leveling efficiency of the invention is improved while the leveling precision is ensured.
Furthermore, the rotating device is connected with the analysis controller, and the analysis controller actively selects whether the rotating device is used for changing the direction of the plate entering the first leveling roller set or not, so that the control operation of the leveling process is more convenient and quicker, the leveling speed is increased, the leveling precision is ensured, and the leveling efficiency is improved.
Furthermore, the leveling machine can level the plate and the coil stock, thereby saving the material and the labor,
the leveling efficiency of the invention is improved while the leveling precision is ensured.
Drawings
FIG. 1 is a schematic view of an adjustable leveling machine according to an embodiment of the present disclosure;
FIG. 2 is a partial top view of a turning gear according to an embodiment of the present invention;
fig. 3 is a flowchart of comparing Ra and Rb with R1 respectively by the central control unit to determine the bending type of the sheet to be leveled and the direction of entering the first leveling roller set according to the embodiment of the present invention;
fig. 4 is a flowchart illustrating the central control unit comparing Ra 'and Rb' with R2 to determine the once-leveled bending state of the sheet material and how to adjust the operation parameters of the second leveling roller set according to the embodiment of the present invention;
fig. 5 is a flowchart illustrating that the central control unit compares the surface cleanliness M of any leveling roller detected by the cleanliness detection devices with M1 and M2, respectively, to determine whether to clean the surface of the leveling roller;
in the figure, a feeding bracket 1, a discharging bracket 2, a conveying device 3, a first upper row of leveling rollers 4, a first lower row of leveling rollers 5, a second upper row of leveling rollers 6, a second lower row of leveling rollers 7, a first curvature detection device 8, a second curvature detection device 9, a third curvature detection device 10, an analysis controller 11, an audio-visual display screen 12, a rotating device 13 and a cleanliness detection device 14.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described in conjunction with the following examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, which is a schematic structural diagram of an adjustable leveling machine according to an embodiment of the present invention, the adjustable leveling machine includes:
the feeding bracket 1 is arranged at a feeding port of the leveling machine and fixedly connected with the leveling machine, and a conveying belt is arranged on the feeding bracket 1 and used for conveying a plate to be leveled into the leveling machine;
the discharging bracket 2 is arranged at a discharging port of the leveling machine and is fixedly connected with the leveling machine; the discharging bracket 2 is provided with a conveying belt for conveying the plate out of the leveling machine;
the conveying device 3 is arranged in the leveling machine and is used for completing the movement of the plate to be leveled in the leveling machine;
the first leveling roller group is arranged in the leveler and connected with the feeding bracket 1 through the conveying device 3, and is used for preliminarily leveling a flat plate to be leveled; the first leveling roller group comprises a first upper row of leveling rollers 4 and a first lower row of leveling rollers 5;
the second leveling roller group is arranged in the leveling machine, is connected with the discharging bracket 2 through the conveying device 3 and is used for secondarily leveling the sheet material; the second leveling roller group comprises a second upper row of leveling rollers 6 and a second lower row of leveling rollers 7; the first leveling roller group and the second leveling roller group are connected through the conveying device 3;
the bending degree detection group comprises a first bending degree detection device 8 arranged between the feed inlet and the first leveling roller group, a second bending degree detection device 9 arranged between the first leveling roller group and the second leveling roller group, and a third bending degree detection device 10 arranged between the second leveling roller group and the discharge outlet, and is used for detecting the bending degree of the plate to be corrected;
an analysis controller 11, which is arranged on the surface of the leveler and connected with the conveying device 3, the first leveling roller set, the second leveling roller set and the curvature detection set, and is used for manually setting the operation parameters of the leveler; the operation parameters of the leveler comprise the rotation speed of each leveling roller in the first leveling roller group and the second leveling roller group, the height of the first upper row of leveling rollers 4, the height of the second upper row of leveling rollers 6, the height of the first lower row of leveling rollers 5, the height of the second lower row of leveling rollers 7 and the conveying speed of the conveying device 3; a central control unit is arranged in the analysis controller 11 and is used for comparing the initial transverse curvature and the initial longitudinal curvature of the plate with a preset standard so as to judge whether to adjust the direction of the plate entering the first leveling roller group or not, comparing the secondary longitudinal curvature and the secondary transverse curvature of the plate with the preset standard so as to judge whether to adjust the second leveling roller group or not, comparing the surface cleanliness of any leveling roller with the preset standard so as to judge whether to clean the leveling roller or not, and comparing the rotating speed of each leveling roller in the first leveling roller group and the second leveling roller group with the preset standard so as to judge whether to adjust the rotating speed of the first leveling roller group and the second leveling roller group or not; the analysis controller 11 includes an audio/video display 12 for displaying the determination information of the central control unit.
Referring to fig. 2, which is a partial top view of the rotating device 13 according to the embodiment of the present invention, the leveling machine includes a rotating device 13 connected to the conveying device 3 and the central control unit, the rotating device 13 is provided with a plurality of retractable transverse conveying wheels and a plurality of retractable longitudinal conveying wheels, and the rotating device 13 is rotatable, so that the central control unit can change the direction of the sheet entering the first leveling roller set by controlling the retraction and rotation of the transverse conveying wheels and the longitudinal conveying wheels; the video display screen 12 selects whether to start the rotating device 13 through active control so as to change the direction of the plate entering the first leveling roller group.
Specifically, the horizontal direction of the conveying direction of the plate on the conveying device is a longitudinal direction, and the direction which is vertical to the longitudinal direction is a transverse direction.
Referring to fig. 3, which is a flowchart illustrating that the central control unit compares Ra and Rb with R1 respectively to determine the bending type of the sheet to be leveled and the direction of entering the first leveling roller set according to an embodiment of the present invention, the central control unit is provided with a first curvature R1, where R1=8 °, when the sheet to be leveled is introduced into the leveler and the first curvature detection device 8 detects the initial longitudinal curvature Ra and the initial transverse curvature Rb of the sheet to be leveled, the central control unit compares Ra and Rb with R1 respectively to determine the bending type of the sheet to be leveled and the direction of entering the first leveling roller set,
if Ra is less than or equal to R1 and Rb is less than or equal to R1, the central control unit judges that the plate to be leveled is not bent;
if Ra is less than or equal to R1 and Rb is more than R1, the central control unit judges that the flat plate to be calibrated is longitudinally bent, and the central control unit controls the plate to transversely enter the first leveling roller group;
if Ra is larger than R1 and Rb is smaller than or equal to R1, the central control unit judges that the flat plate to be corrected is transversely bent, and controls the plate to longitudinally enter the first leveling roller group;
if Ra is larger than R1 and Rb is larger than R1, the central control unit judges that the plate to be calibrated is gourd ladle type bending, and the central control unit further judges the direction of the plate to be calibrated entering the first leveling roller group according to the longitudinal bending Ra and the transverse bending Rb of the plate to be calibrated.
Specifically, when the central control unit judges that a further judgment is made on the longitudinal curvature Ra and the transverse curvature Rb of the plate material to be leveled, the central control unit calculates the difference DeltaRa between the longitudinal curvature and the first curvature and the difference DeltaRb between the transverse curvature and the first curvature and compares the DeltaRa with the DeltaRb to judge the direction in which the plate material to be leveled enters the first leveling roller group, and sets that DeltaRa = Ra-R1 and DeltaRb = Rb-R1,
if the Delta Ra is less than or equal to the Delta Rb, the central control unit judges that the control panel longitudinally enters the first leveling roller group;
if delta Ra > -delta Rb, the central control unit judges that the control panel transversely enters the first leveling roller group.
Referring to fig. 4, which is a flowchart illustrating that the central control unit compares Ra 'and Rb' with R2 respectively to determine a once-leveled bent state of the sheet material and how to adjust the operation parameters of the second leveling roller set according to an embodiment of the present invention, the central control unit is provided with a second curvature R2 and a first height adjustment coefficient α 1, where α 1=0.1, and R2=5 °, when the sheet material is primarily calibrated, the second curvature detection device 9 detects a twice longitudinal curvature Ra 'and a twice transverse curvature Rb' of the sheet material, and the central control unit compares Ra 'and Rb' with R2 respectively to determine a once-leveled bent state of the sheet material and how to adjust a height H1 of a second upper row leveling roller 6 and/or a height H2 of a second lower row leveling roller 7 of the second leveling roller set, where the height H1 of the second upper row leveling roller 6 is equal to a vertical distance between a lower end point of each included leveling roller and an upper surface plane of the conveying device 3, and the height H2 of each lower row leveling roller 7 of the second leveling roller set is equal to a vertical distance between an upper surface plane of the conveying device 3 included therein; the user sets the initial heights of the first upper row of leveling rollers 4, the first lower row of leveling rollers 5, the second upper row of leveling rollers 6, and the second lower row of leveling rollers 7 through the analysis controller 11,
if Ra 'is less than or equal to R2 and Rb' is less than or equal to R2, the central control unit judges that the sheet after preliminary leveling does not have bending, and the height H1 of a second upper row leveling roller 6 and/or the height H2 of a second lower row leveling roller 7 of a second leveling roller group do not need to be adjusted;
if Ra '≦ R2 and Rb' > R2, the central control unit judges that the sheet material after preliminary leveling is longitudinally bent, the central control unit further judges how to adjust the operation parameters of the second leveling roller set according to the longitudinal bending direction of the sheet material, if the sheet material is longitudinally bent upwards, the central control unit judges that alpha 1 is used for adjusting the height H1 of the leveling rollers 6 on the second upper row, the height of the leveling rollers 6 on the second upper row after adjustment is recorded as H1', H1' = H1 x (1 + alpha 1) is set, if the sheet material is longitudinally bent downwards, the central control unit judges that alpha 1 is used for adjusting the height H2 of the leveling rollers 7 on the second lower row, the height of the leveling rollers 7 on the second lower row after adjustment is recorded as H2', H2' = H2 x (1-alpha 1) is set;
if Ra '> R2 and Rb'. Is less than or equal to R2, the central control unit judges that the sheet material after preliminary leveling is transversely bent and displays the judgment information through the video display screen 12 to remind the leveling machine to check whether a fault exists;
if Ra '> R2 and Rb' > R2, the central control unit determines that the preliminarily leveled plate material is in the ladle bending, and the central control unit simultaneously adjusts the height H1 of the second upper row of leveling rollers 6 and the height H2 of the second lower row of leveling rollers 7 by using α 1, the adjusted height of the second upper row of leveling rollers 6 is denoted as H1', the adjusted height of the second lower row of leveling rollers 7 is denoted as H2', and H1'= H1 × (1- α 1), and H2' = H2 × (1 + α 1) are set.
Please refer to fig. 5, which is a flowchart illustrating that the central control unit compares the surface cleanliness M of any leveling roller detected by the cleanliness detection devices 14 with M1 and M2 respectively to determine whether to clean the surface of the leveling roller, the leveling machine is provided with a cleanliness detection device 14 for detecting the surface cleanliness M of any leveling roller, and the cleanliness detection device 14 is provided with an intelligent decontamination device for cleaning the surface of the leveling roller; the central control unit is provided with a first surface cleanliness M1 and a second surface cleanliness M2, wherein M1=3 and M2=6, when the leveler operates, the central control unit compares the surface cleanliness M of any leveling roller detected by the cleanliness detection device 14 with M1 and M2 respectively to judge whether to clean the surface of the leveling roller,
if M is less than or equal to M1, the central control unit judges that the surface of the leveling roller does not need to be cleaned;
if M1 is larger than M and is less than or equal to M2, the central control unit judges that the surface of the leveling roller is cleaned and controls the intelligent decontamination device to clean the surface of the leveling roller;
if M2 is less than M, the central control unit judges that the surface of the leveling roller is cleaned and transmits the judgment information to the video display screen 12 to remind people to clean.
Specifically, the cleanliness detection device 14 is provided with a first weight coefficient β 1, a second weight coefficient β 2, and a third weight coefficient β 3, where β 1=0.5, β 2=0.3, and β 3=0.2, and when the cleanliness detection device 14 detects the surface cleanliness M of any one of the leveling rollers, the cleanliness detection device 14 detects the area S1 of the damaged surface of the leveling roller, the number S2 of particles adhering to the surface, and the thickness S3 of the accumulated oil contamination, calculates the surface cleanliness M of the leveling roller by using a weighted summation, and sets M = S1 × β 1+ S2 × β 2+ S3 × β 3.
With continued reference to fig. 1 to 5, the central control unit is provided with a third bending degree R3, when the sheet is subjected to the secondary leveling, the third bending degree detection device 10 detects a third longitudinal bending degree Ra "and a third transverse bending degree Rb" of the sheet, and compares Ra "and Rb" with R3 respectively to determine whether there is bending after the sheet is subjected to the secondary leveling, where R3=5 °,
if Ra is less than or equal to R3 and Rb is less than or equal to R3, the central control unit judges that the plate after secondary leveling is not bent, and the plate meets the preset standard;
if Ra is larger than R3 or Rb is larger than R3, the central control unit judges that the sheet after secondary leveling is bent and does not accord with a preset standard, and compares the rotating speeds of the first leveling roller set and the second leveling roller set with the preset standard to judge whether the speeds of the first leveling roller set and the second leveling roller set are adjusted or not.
Specifically, the central control unit is provided with a first preset speed V1, a second preset speed V2 and an adjustment coefficient γ 1, wherein V1=20m/min, V2=30m/min, and γ 1=0.2, and when the central control unit determines that the sheet material does not meet the preset standard, the central control unit compares the rotation speed V of each leveling roller in the first leveling roller set and the second leveling roller set with V1 and V2 respectively to determine whether to adjust the rotation speed V of the first leveling roller set and the second leveling roller set,
if V is less than or equal to V1, the central control unit judges that the gamma 1 is used for adjusting the rotating speed of each leveling roller in the first leveling roller group and the second leveling roller group, the rotating speed of the adjusted first leveling roller group and the second leveling roller group is marked as V ', and V' = Vx (1 + gamma 1) is set;
if V1 is larger than V and is smaller than or equal to V2, the central control unit judges that the rotation speed of each leveling roller in the first leveling roller set and the second leveling roller set does not need to be adjusted and transmits judgment information to the video display screen 12 to remind the leveling machine of troubleshooting;
if V2 is less than V, the central control unit determines that the rotational speed of each of the first leveling roller group and the second leveling roller group is adjusted by using γ 1, and the rotational speed of the adjusted first leveling roller group and the second leveling roller group is denoted as V ', and V' = V × (1- γ 1) is set.
Specifically, the first leveling roller group and the second leveling roller group use the same power device, and the rotation speed of each leveling roller in the first leveling roller group and the second leveling roller group is the same.
In particular, the turning device 13 is connected to the analysis controller 11, and the analysis controller 11 actively selects whether to use the turning device 13 to change the direction of the sheet material entering the first leveling roller set.
Example 1
In this embodiment, the initial longitudinal curvature Ra =10 ° of the plate to be calibrated, the initial transverse curvature Rb =8 °, ra > R1, rb = R1, the central control unit determines that the plate to be calibrated is transversely curved, the central control unit controls the plate to longitudinally enter the first leveling roller set, when the plate is primarily calibrated in this embodiment, the second curvature detection device 9 detects secondary longitudinal curvature Ra '=5 ° and secondary transverse curvature Rb' =2 ° of the plate, at this time, ra '= R2, rb' < R2, and the central control unit determines that the plate after primary leveling is not curved, and it is not necessary to adjust the height H1 of the lower row leveling roller 6 and/or the height H2 of the lower row leveling roller 7 of the second leveling roller set. The cleanliness detection device 14 in this embodiment detects that an area S1=5cm of a damaged surface of a leveling roller, the number of particles attached to the surface S2=10, and the thickness of accumulated oil contamination S3=6mm, at which time M =5 × 0.5+10 × 0.3+6 × 0.2=6.7, at which time M1 < M2, the central control unit determines to clean the surface of the leveling roller and controls the intelligent dirt removing device to clean the surface of the leveling roller. In this embodiment, the third bending degree detecting device 10 detects three longitudinal bending degrees Ra "=5 ° and three transverse bending degrees Rb" =2 ° of the sheet material, and at this time, ra "= R3, and Rb" < R3, and the central control unit determines that the sheet material after the secondary leveling does not have bending, and the sheet material meets a preset standard.
Example 2
In the embodiment, the initial longitudinal curvature Ra =8 degrees and the initial transverse curvature Rb =10 degrees of the plate to be corrected, wherein Ra = R1 and Rb is larger than R1, the central control unit judges that the plate to be corrected is transversely bent, the central control unit controls the plate to longitudinally enter the first leveling roller group, the central control unit judges that the plate to be corrected is longitudinally bent, and the central control unit controls the plate to transversely enter the first leveling roller group. The third bending degree detection device 10 detects the three longitudinal bending degrees Ra '= 6 degrees and the three transverse bending degrees Rb' =2 degrees of the sheet, at the moment, ra '> R3 and Rb' < R3 are achieved, the central control unit judges that the sheet after secondary leveling is bent and does not accord with a preset standard, and compares the rotating speeds of the first leveling roller group and the second leveling roller group with the preset standard to judge whether the speeds of the first leveling roller group and the second leveling roller group are adjusted or not. In this embodiment, the rotation speed V =15m/min of each of the first leveling roller group and the second leveling roller group, and at this time, V < V1, the central control unit determines to adjust the rotation speed of each of the first leveling roller group and the second leveling roller group by using γ 1, and the rotation speed of the adjusted first leveling roller group and second leveling roller group is denoted as V ', V' =15 × (1 + 0.2) =22.5m/min.
The cleanliness detection device 14 in this embodiment detects that an area S1=2cm of a damaged surface of a leveling roller, the number of particles attached to the surface S2=3, and the thickness of accumulated oil contamination S3=2mm, at which time M =2 × 0.5+3 × 0.3+2 × 0.2=2.3, at which time M < M1, the central control unit determines that cleaning of the surface of the leveling roller is not required.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An adjustable leveler, comprising:
the feeding bracket is arranged at a feeding port of the leveling machine and fixedly connected with the leveling machine, and a conveying belt is arranged on the feeding bracket and used for conveying a plate to be leveled into the leveling machine;
the discharging bracket is arranged at a discharging port of the leveling machine and is fixedly connected with the leveling machine; the discharging bracket is provided with a conveying belt for conveying the plate out of the leveling machine;
the conveying device is arranged in the leveling machine and used for completing the movement of the plate to be leveled in the leveling machine;
the first leveling roller set is arranged in the leveler, is connected with the feeding bracket through the conveying device and is used for primarily leveling a plate to be leveled; the first leveling roller group comprises a first upper row of leveling rollers and a first lower row of leveling rollers;
the second leveling roller group is arranged in the leveling machine, is connected with the discharging bracket through the conveying device and is used for secondarily leveling the plate; the second leveling roller group comprises a second upper row of leveling rollers and a second lower row of leveling rollers; the first leveling roller group and the second leveling roller group are connected through the conveying device;
the curvature detection group comprises a first curvature detection device arranged between the feed inlet and the first leveling roller group, a second curvature detection device arranged between the first leveling roller group and the second leveling roller group, and a third curvature detection device arranged between the second leveling roller group and the discharge outlet, and is used for detecting the curvature of the flat plate to be corrected;
the analysis controller is arranged on the surface of the leveler, connected with the conveying device, the first leveling roller group, the second leveling roller group and the curvature detection group and used for manually setting the operation parameters of the leveler; the operation parameters of the leveler comprise the rotation speed of each leveling roller in the first leveling roller group and the second leveling roller group, the height of the first upper row of leveling rollers, the height of the second upper row of leveling rollers, the height of the first lower row of leveling rollers, the height of the second lower row of leveling rollers and the conveying speed of the conveying device; and a central control unit is arranged in the analysis controller and used for judging whether to adjust corresponding operating parameters in the leveler according to a comparison result of the bending degree of the plate and a preset standard.
2. The adjustable leveler of claim 1 wherein the leveler includes a turning device coupled to the conveyor and the central control unit for controlling the direction of sheet material entering the first set of leveling rollers; the central control unit is used for judging the bending type of the plate to be leveled and the direction of the plate to be leveled entering the first leveling roller set according to the initial longitudinal bending Ra and the initial transverse bending Rb of the plate to be leveled, which are measured by the first bending degree detection device, when the plate to be leveled is introduced into the leveler, the central control unit is provided with a first bending degree R1, wherein 0 is more than R1,
if Ra is less than or equal to R1 and Rb is less than or equal to R1, the central control unit judges that the plate to be leveled is not bent;
if Ra is less than or equal to R1 and Rb is more than R1, the central control unit judges that the flat plate to be corrected is longitudinally bent, and the central control unit controls the flat plate to transversely enter the first leveling roller group;
if Ra is larger than R1 and Rb is smaller than or equal to R1, the central control unit judges that the flat plate to be corrected is transversely bent, and controls the plate to longitudinally enter the first leveling roller group;
if Ra is larger than R1 and Rb is larger than R1, the central control unit judges that the plate to be calibrated is gourd ladle type bending, and the central control unit further judges the direction of the plate to be calibrated entering the first leveling roller group according to the longitudinal bending Ra and the transverse bending Rb of the plate to be calibrated.
3. The adjustable leveler as set forth in claim 2 wherein the central control unit compares the difference Δ Ra between the longitudinal bow and the first bow and the difference Δ Rb between the transverse bow and the first bow to determine the direction of entry of the sheet to be leveled into the first leveling roller set when further determining the longitudinal bow Ra and the transverse bow Rb of the sheet to be leveled, and sets Δ Ra = Ra-R1 and Δ Rb = Rb-R1,
if the Delta Ra is less than or equal to the Delta Rb, the central control unit judges that the control panel longitudinally enters the first leveling roller group;
if Ra & ltDELTA Rb & gt, the central control unit judges that the control panel transversely enters the first leveling roller group.
4. The adjustable leveler as set forth in claim 3, wherein the second tortuosity detector detects a secondary longitudinal tortuosity Ra 'and a secondary transverse tortuosity Rb' of the sheet material when the sheet material has been preliminarily leveled and the central control unit compares Ra 'and Rb' with R2 respectively to determine the once-leveled bent state of the sheet material and whether or not to make a corresponding adjustment, wherein the second upper-row leveling roll height H1 is equal to the vertical distance between the lower end of each of the included leveling rolls and the upper surface level of the conveyor, and the second lower-row leveling roll height H2 is equal to the vertical distance between the upper end of each of the included leveling rolls and the upper surface level of the conveyor; the central control unit is provided with a second curvature R2 and a first height adjusting coefficient alpha 1, wherein alpha 1 is more than 0 and less than 1, the analysis controller comprises a video display screen for displaying the judgment information of the analysis controller,
if Ra 'is less than or equal to R2 and Rb' is less than or equal to R2, the central control unit judges that the plate after preliminary leveling does not have bending, and does not need to adjust the height H1 of the second upper row of leveling rollers and/or the height H2 of the second lower row of leveling rollers of the second leveling roller group;
if Ra '≦ R2 and Rb' > R2, the central control unit judges that the sheet material after preliminary leveling is longitudinally bent, the central control unit further judges how to adjust the operation parameters of the second leveling roller set according to the longitudinal bending direction of the sheet material, if the sheet material is longitudinally bent upwards, the central control unit judges that the height H1 of the second upper row of leveling rollers is adjusted by using alpha 1, the height of the adjusted second upper row of leveling rollers is recorded as H1', H1' = H1 × (1 + alpha 1) is set, if the sheet material is longitudinally bent downwards, the central control unit judges that the height H2 of the second lower row of leveling rollers is adjusted by using alpha 1, the height of the adjusted second leveling rollers is recorded as H2', and H2' = H2 × (1-alpha 1) is set;
if Ra '> R2 and Rb' is less than or equal to R2, the central control unit judges that the plate after preliminary leveling is transversely bent and displays the judgment information through the video display screen to remind the user to check whether the leveler has faults;
if Ra '> R2 and Rb' > R2 are greater than, the central control unit determines that the sheet material after the preliminary leveling is in the ladle bending mode, the central control unit adjusts the height H1 of the second upper row of leveling rollers and the height H2 of the second lower row of leveling rollers simultaneously by using α 1, the adjusted height of the second upper row of leveling rollers is recorded as H1', the adjusted height of the second lower row of leveling rollers is recorded as H2', and H1'= H1 × (1- α 1) and H2' = H2 × (1 + α 1) are set.
5. The adjustable leveler of claim 4 wherein the leveler is provided with a cleanliness detection device for detecting the surface cleanliness M of any of the leveling rolls and an intelligent cleaning device for cleaning the surfaces of the leveling rolls; the central control unit respectively compares the surface cleanliness M of any leveling roller detected by the cleanliness detection device with M1 and M2 when the leveler runs so as to judge whether the surface of the leveling roller is cleaned or not; the central control unit is provided with a first surface cleanliness M1 and a second surface cleanliness M2, wherein M1 is more than 0 and less than M2,
if M is less than or equal to M1, the central control unit judges that the surface of the leveling roller does not need to be cleaned;
if M1 is larger than M and is less than or equal to M2, the central control unit judges that the surface of the leveling roller is cleaned and controls the intelligent decontamination device to clean the surface of the leveling roller;
and if M2 is less than M, the central control unit judges that the surface of the leveling roller is cleaned and transmits the judgment information to the video display screen to remind people to clean.
6. The adjustable leveling machine as claimed in claim 5, wherein the cleanliness detection device detects the area S1 of the damaged surface of the leveling roller, the number S2 of particles attached to the surface and the thickness S3 of accumulated oil dirt when detecting the surface cleanliness M of any one of the leveling rollers, and calculates the surface cleanliness M of the leveling roller by means of weighted summation, and the cleanliness M is set to be M = S1 × β 1+ S2 × β 2+ S3 × β 3; the cleanliness detection device is provided with a first weight coefficient beta 1, a second weight coefficient beta 2 and a third weight coefficient beta 3, wherein beta 1 is more than 0 and less than beta 2 and less than beta 3 and less than 1, and beta 1+ beta 2+ beta 3=1.
7. The adjustable leveling machine as recited in claim 6, wherein when the sheet material is secondarily leveled, the third curvature detection device detects a third longitudinal curvature Ra 'and a third transverse curvature Rb' of the sheet material and compares Ra 'and Rb' with R3 respectively to determine whether the sheet material is bent after being secondarily leveled; the central control unit is provided with a third curvature R3,
if Ra is less than or equal to R3 and Rb is less than or equal to R3, the central control unit judges that the plate after secondary leveling is not bent, and the plate meets the preset standard;
if Ra & ltr & gt 3 or Rb & ltr & gt 3 & gt, the central control unit judges that the secondarily leveled plate is bent and does not meet the preset standard, and compares the rotating speeds of the first leveling roller set and the second leveling roller set with the preset standard to judge whether the speeds of the first leveling roller set and the second leveling roller set are adjusted or not.
8. The adjustable leveler of claim 7 wherein the central control unit compares the rotational speed V of each of the first and second leveling roller sets to V1 and V2, respectively, to determine whether to adjust the rotational speed V of the first and second leveling roller sets when the sheet material is determined not to meet predetermined criteria; the central control unit is provided with a first preset speed V1, a second preset speed V2 and an adjusting coefficient gamma 1, wherein V1 is more than 0 and less than V2, gamma 1 is more than 0 and less than 1,
if V is less than or equal to V1, the central control unit judges that the rotation speed of each leveling roller in the first leveling roller group and the second leveling roller group is adjusted by using gamma 1, the rotation speed of the adjusted first leveling roller group and the second leveling roller group is marked as V ', and V' = Vx (1 + gamma 1) is set;
if V1 is larger than V and smaller than or equal to V2, the central control unit judges that the rotating speed of each leveling roller in the first leveling roller group and the second leveling roller group does not need to be adjusted and transmits judgment information to the video display screen to remind the leveling machine of troubleshooting;
if V2 is less than V, the central control unit determines that the rotational speed of each of the first leveling roller group and the second leveling roller group is adjusted by using γ 1, and the rotational speed of the adjusted first leveling roller group and the second leveling roller group is denoted as V ', and V' = V × (1- γ 1) is set.
9. The adjustable leveler of claim 8 wherein the first and second leveling roll sets use the same power device and wherein the rotational speed of each of the leveling rolls in the first and second leveling roll sets is the same.
10. The adjustable leveler of claim 2 wherein the turning device is coupled to the analytical controller, and the analytical controller actively selects whether to use the turning device to change the direction of the sheet material entering the first leveling roller set.
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