Device for improving indentation of tail pressing roller at tail of hot-rolled aluminum coil
By using a laser rangefinder and controller to automatically adjust the stroke of the tail roll at the end of aluminum coil rolling, the problem of indentation caused by manual adjustment was solved, the yield of aluminum coil was improved and the production cost was reduced.
Patent Information
- Application Number
- CN202423231831.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-26
AI Technical Summary
During the rolling of aluminum coils, improper manual adjustment of the tail roller's downward stroke can cause indentations at the tail of the coil, affecting the quality of the finished product and resulting in waste.
Using a laser rangefinder and controller in conjunction with a lifting cylinder, the downward stroke of the tail roller is automatically adjusted, and the position of the tail roller is adjusted in real time according to the diameter of the aluminum coil to reduce the formation of indentations.
It improved the yield of aluminum coils, reduced production costs, and avoided unnecessary material waste.
Smart Images
Figure CN223587998U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to aluminium roll tail part indentation improvement technology, especially is hot rolling aluminium roll tail part tail roller indentation improvement device. BACKGROUND
[0002] With the development of aluminium processing industry, the market for aluminium hot rolling product quality requirement is unceasingly promoted, and the hot finish rolling mill is the last station of aluminium hot rolling, is responsible for the hot aluminium plate strip and is rolled to the thinner thickness and uses the winding machine to curl the final aluminium roll in the finish rolling export area, and when the aluminium roll tail part is rolled, because the aluminium roll rotation speed is fast and the strip loses the tension, the aluminium roll tail part will be thrown outwards due to centrifugal force on the winding core shaft of the winding machine, in order to prevent the aluminium roll tail part from colliding with the equipment, it is necessary to lower the tail roller to the outermost layer of the aluminium roll and press the aluminium roll tightly before the aluminium roll production loses the tension.
[0003] Because the production batch is different, the roll diameter of the aluminium roll is not quite same, at this moment, it is necessary to manually adjust the tail roller downstroke according to the roll diameter of the aluminium roll by experience before production, because manual adjustment is adopted and experience is used, the tail roller downstroke setting is not reasonable, and the stroke is directly pressed in place when the tail section of the aluminium roll is several turns, the tail section of the aluminium roll is rotated relative to the tail roller, when the tail roller pressure is larger, the indentation is formed on the surface of the tail section of the aluminium roll, the product quality is affected, in order to ensure the product quality, the part with indentation on the surface of the aluminium roll is cut off in the subsequent processing step, thereby causing waste. SUMMARY
[0004] Therefore, the purpose of the utility model lies in providing a tail roller indentation improvement device for hot rolling aluminium roll tail part, which can improve the indentation of the aluminium roll tail part, better improve the product yield and reduce the production cost.
[0005] The utility model discloses a tail roller indentation improvement device for hot rolling aluminium roll tail part, which is characterized by comprising a winding machine for winding thin aluminium material to form an aluminium roll at the outlet of a hot finish rolling mill and a fixed frame above the winding core shaft of the winding machine, a tail roller support and a tail roller rotatably connected to the tail roller support are rotatably connected to the fixed frame, a lifting cylinder for driving the tail roller support to rotate around the fixed frame is fixedly arranged on the fixed frame, a laser ranging sensor for measuring the movement distance of the lifting cylinder driving its telescopic rod and the tail roller support is fixedly arranged on the fixed frame or the lifting cylinder, the laser ranging sensor is electrically connected to a controller, and the controller is electrically connected to the lifting cylinder to control the movement distance of the telescopic rod, the tail roller support and the tail roller driven by the lifting cylinder.
[0006] Further, a laser ranging sensor reflector plate is mounted on the tail roller support to reflect the laser emitted by the laser ranging sensor.
[0007] Further, the lifting cylinder is an electric push rod or a cylinder with controllable telescopic length.
[0008] Further, the tail pressing roller is a rubber roller or a silica gel roller to reduce the indentation when the tail pressing roller contacts the surface of the aluminum coil.
[0009] Further, the stroke (Y) of the telescopic rod of the lifting cylinder is related to the coil diameter (X) as follows: Y = -180.27X + 1244.4.
[0010] Further, the first position sensor and the second position sensor are installed on the production line of the hot finishing mill near the outlet, and the first position sensor and the second position sensor are electrically connected with the controller, so that when the tail end of the strip passes through the first position sensor and the second position sensor, the controller drives the lifting cylinder to act to lower the tail pressing roller support and the tail pressing roller.
[0011] Further, the first position sensor is 50-100 meters away from the outlet of the hot finishing mill, and the second position sensor is 10-50 meters away from the outlet of the hot finishing mill.
[0012] The working method of the tail pressing roller indentation improvement device for hot-rolled aluminum coil tail,
[0013] Step 1: install a laser distance sensor on the cylinder body of the lifting cylinder to detect the stroke of the telescopic rod of the lifting cylinder, and then collect the stroke data of the telescopic rod of the lifting cylinder when the tail pressing roller of the aluminum coil product with different coil diameters falls to press the aluminum coil;
[0014] Step 2: fit the data collected in step 1 to obtain a coil diameter and telescopic rod stroke equation of the lifting cylinder, use the X-axis as the current aluminum coil diameter, the Y-axis as the stroke of the telescopic rod of the lifting cylinder when the tail pressing roller falls to the final position, and complete the setting in the controller, and calculate the final position X1 of the tail pressing roller to press the aluminum coil according to the current coil diameter in the production process.
[0015] Step 3: in the production process of the finishing mill, when the tail of the strip passes through the first position sensor, the controller drives the lifting cylinder to make the tail pressing roller perform the first section pressing, and the tail pressing roller falls to the position X1-150mm calculated by the program; then when the tail of the strip passes through the second position sensor, the controller drives the lifting cylinder to make the tail pressing roller perform the second section pressing, and the tail pressing roller falls to the final position and presses the aluminum coil.
[0016] Further, the controller is electrically connected with the upper computer, so that the actual position and the set position of the tail-pressing roller can be observed in the upper computer in real time, and the set position of the first section of the tail-pressing roller can be modified in the upper computer according to the actual situation on site (for example, the set position of the first section of the tail-pressing roller is changed from 150mm to 100mm, so that the set position of the first section of the tail-pressing roller is X1-100mm, and the set position of the first section of the tail-pressing roller is closer to the aluminum roll).
[0017] The utility model discloses a laser ranging sensor installed on the lifting cylinder body can collect the final position of the tail-pressing roller when falling to the position during the production of different diameter aluminum rolls, and the equation of the relationship between the diameter of the roll and the telescopic rod position of the lifting cylinder is obtained by fitting the collected data, so that the calculated position of the tail-pressing roller after falling down can be obtained according to different diameter aluminum rolls during the production process, and when the aluminum roll is produced to the tail end, the tail-pressing roller falls to the preparation position 150mm away from the calculated position in advance, and the tail-pressing roller falls to the final position to press the outer layer of the aluminum roll before the aluminum roll is loose, so that the loose layer is prevented, and the several circles of indentation formed by the tail-pressing roller directly pressing the surface of the rotating aluminum roll are effectively reduced. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is the structure schematic diagram of the utility model;
[0019] Figure 2 is Figure 1 the partial view of the utility model;
[0020] Figure 3 is the control principle block diagram of the utility model;
[0021] Figure 4 is the data table of the aluminum roll diameter and the stroke data of the telescopic rod of the lifting cylinder collected on site;
[0022] Figure 5 is the relationship diagram of the aluminum roll diameter and the stroke of the telescopic rod of the lifting cylinder. DETAILED DESCRIPTION
[0023] The utility model will be further explained in connection with the drawings and examples.
[0024] It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs.
[0025] It is to be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments consistent with the present application; as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, it will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components and / or combinations thereof, but do not preclude the presence or addition of one or more other features, steps, operations, devices, components, and / or combinations thereof.
[0026] The utility model discloses a hot rolling aluminum roll tail part pressure tail roller indentation improvement device, including the coiling machine 2 for curling thin aluminum material to form aluminum roll and the fixed frame 3 of being established above the roll core shaft of coiling machine at the outlet of hot finish rolling mill 1, the fixed frame is rotatably connected with pressure tail roller support 4 and pressure tail roller 5 of rotatably connecting on pressure tail roller support on the fixed frame (pressure tail roller 5 is rubber roller or silica gel roller, to make pressure tail roller contact aluminum roll surface reduce indentation), fixedly equipped with the lift cylinder 6 of driving pressure tail roller support rotation around fixed frame on the fixed frame, and the lift cylinder is electric push rod or the air cylinder of controllable telescopic length, hydraulic cylinder, under the drive of lift cylinder, its telescopic rod telescopic action, thereby drive pressure tail roller support 4 and pressure tail roller 5 swing.
[0027] Fixedly equipped with laser ranging sensor 8 for measuring the movement distance of lift cylinder drive its telescopic rod 7 and pressure tail roller support 4 on the fixed frame or lift cylinder, install laser ranging sensor reflector 10 on pressure tail roller support 4 to be used for reflecting the laser that laser ranging sensor emits, after the laser that laser ranging sensor 8 emits is reflected by reflector 10, receive by laser ranging sensor 8 again, thereby can obtain the telescopic stroke of telescopic rod 7, and laser ranging sensor is electrically connected with controller 9, and the lift cylinder is electrically connected with controller to control the movement distance of lift cylinder drive telescopic rod, pressure tail roller support and pressure tail roller.
[0028] The first position sensor 11 and the second position sensor 12 are installed on the production line of the hot finish rolling mill 1 near the outlet, and the first position sensor and the second position sensor are electrically connected with the controller to drive the lift cylinder to move when the tail end of the strip passes through the first position sensor and the second position sensor, so that the pressure tail roller support and the pressure tail roller are lowered.
[0029] The working method of the hot rolling aluminum roll tail part pressure tail roller indentation improvement device,
[0030] Step 1: install laser ranging sensor on the cylinder body of the lift cylinder to detect the stroke of the telescopic rod of the lift cylinder, and then collect the stroke data of the telescopic rod of the lift cylinder when the pressure tail roller of the aluminum roll product with different roll diameters falls to press the aluminum roll;
[0031] Step 2: fitting the data collected in step 1 to obtain an equation of the aluminum coil diameter and the stroke of the telescopic rod of the lifting cylinder, using the X axis as the current aluminum coil diameter, and the Y axis as the stroke of the telescopic rod of the lifting cylinder when the pinch roll is dropped to the final position (the relationship between the stroke (Y) of the telescopic rod driven by the lifting cylinder and the aluminum coil diameter (X) is as follows: Y = -180.27X + 1244.4), and the function is set in the controller, and the final position X1 of the pinch roll pressing the aluminum coil is calculated in advance according to the current coil diameter during the production process;
[0032] Step 3: during the production process of the finishing mill, when the tail of the strip passes through the first position sensor 11, the controller drives the lifting cylinder to make the pinch roll perform the first stage of pressing, and the pinch roll is dropped to a position of X1-150mm calculated by the program; and then when the tail of the strip passes through the second position sensor 12, the controller drives the lifting cylinder to make the pinch roll perform the second stage of pressing, and the pinch roll is dropped to the final position and presses the aluminum coil.
[0033] Specifically, the first position sensor is 50-100 meters or other values away from the outlet of the hot finishing mill, and the second position sensor is 10-50 meters or other values away from the outlet of the hot finishing mill.
[0034] In order to facilitate control adjustment, the controller is electrically connected with the upper computer 13, so that the actual position and the set position of the pinch roll can be observed in the upper computer in real time, and the set position of the first stage of pressing of the pinch roll can be modified in the upper computer according to the actual situation on site. (For example, if 150mm is changed to 100mm, the set position of the first stage of pressing of the pinch roll becomes X1-100mm, and at this time the set position of the first stage of pressing of the pinch roll is closer to the aluminum coil.)
[0035] Embodiment, Figure 4 The utility model specific application example diagram is as follows, that is, according to the different aluminum coil diameter data collected, the stroke data of the telescopic rod of the lifting cylinder when the pinch roll presses the aluminum coil, the data is displayed in the coordinate system with the aluminum coil diameter as the X axis and the stroke of the telescopic rod as the Y axis, and then a reverse proportional function curve is fitted. Figure 5 As shown in the figure, according to the data collected from the aluminum coil diameter of 1000mm to 3000mm, the stroke of the telescopic rod of the lifting cylinder when the pinch roll presses the aluminum coil is fitted to obtain a reverse proportional function curve, and the equation of the curve is as follows: Y = -180.27X + 1244.4. Figure 4The collected data generates a fitting curve of the tailing roller position and the roll diameter Y=-180.27X+1244.4; after the tailing roller position calculation and the first-stage tailing roller pressing setting position programming are completed in the controller, the controller can calculate the final position of the tailing roller when the tailing roller presses to the surface of the aluminum roll according to the roll diameter of the current product, and subtract 150mm from the position as the setting value of the first-stage tailing roller pressing position; taking the aluminum roll product with a roll diameter of 2.1m as an example, when the controller receives the roll diameter information of the product, the lifting cylinder stroke of the final position of the tailing roller is calculated according to the programmed tailing roller position equation: -180.27*2.1+1244.4=865.833mm; and the setting position of the lifting cylinder of the first-stage tailing roller pressing is: 865.833-150=715.833mm.
[0036] The utility model discloses a laser ranging sensor installed on the lifting cylinder body can collect the final position of the tailing roller when falling to the position of the aluminum roll with different roll diameters, and the equation of the relationship between the roll diameter and the telescopic rod position of the lifting cylinder is fitted by the collected data, so that the calculated position of the tailing roller when falling to the position can be obtained according to different diameters of the aluminum roll in the production process, the tailing roller falls to the preparation position 150mm away from the calculated position in advance when the aluminum roll is produced to the tail end, and the tailing roller falls to the final position to press the outer layer of the aluminum roll tightly before the aluminum roll is released, so that the loose layer is prevented, and the several circles of pressure marks formed by the tailing roller directly pressing on the surface of the rotating aluminum roll are effectively reduced.
[0037] The above disclosed preferred embodiments of the utility model are only used for helping the description of the utility model. The preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments, so as to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalent thereof.
Claims
1. A device for improving the indentation of the tail roll of a hot-rolled aluminum coil, characterized in that: The device includes a winding machine located at the exit of a hot finishing mill for winding thin aluminum materials into aluminum coils, and a fixed frame located above the winding machine's core shaft. A tail roller support and a tail roller are rotatably hinged to the fixed frame. A lifting cylinder is fixedly mounted on the fixed frame to drive the tail roller support to rotate around the fixed frame. A laser rangefinder sensor is fixedly mounted on the fixed frame or the lifting cylinder to measure the movement distance of the lifting cylinder's telescopic rod and the tail roller support. The laser rangefinder sensor is electrically connected to a controller, and the controller is electrically connected to the lifting cylinder to control the movement distance of the lifting cylinder's telescopic rod, the tail roller support, and the tail roller.
2. The device for improving the indentation of the tail roll of hot-rolled aluminum coil according to claim 1, characterized in that: A reflector for a laser rangefinder sensor is mounted on the tail roller support to reflect the laser emitted by the laser rangefinder sensor.
3. The device for improving the indentation of the tail roll of hot-rolled aluminum coil according to claim 1 or 2, characterized in that: The lifting cylinder is an electric actuator or a pneumatic or hydraulic cylinder with controllable extension and retraction length.
4. The device for improving the indentation of the tail roll of hot-rolled aluminum coil according to claim 3, characterized in that: The tail roller is a rubber roller or a silicone roller, so as to reduce indentation when the tail roller contacts the surface of the aluminum coil.
5. The device for improving the indentation of the tail roll of hot-rolled aluminum coil according to claim 4, characterized in that: A first position sensor and a second position sensor are installed near the exit of the production line of the hot finishing mill. Both the first position sensor and the second position sensor are electrically connected to the controller so that when the tail end of the strip passes the first position sensor and the second position sensor, the controller drives the lifting cylinder to lower the tail roll support and the tail roll.
6. The device for improving the indentation of the tail roll of hot-rolled aluminum coil according to claim 5, characterized in that: The first position sensor is located 50-100 meters from the exit of the hot finishing mill, and the second position sensor is located 10-50 meters from the exit of the hot finishing mill.