CN110497010B - Aluminum alloy medium plate shearing length sizing equipment and control method - Google Patents
Aluminum alloy medium plate shearing length sizing equipment and control method Download PDFInfo
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- CN110497010B CN110497010B CN201910729285.5A CN201910729285A CN110497010B CN 110497010 B CN110497010 B CN 110497010B CN 201910729285 A CN201910729285 A CN 201910729285A CN 110497010 B CN110497010 B CN 110497010B
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- roller way
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- aluminum plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D15/00—Shearing machines or shearing devices cutting by blades which move parallel to themselves
- B23D15/06—Sheet shears
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D33/00—Accessories for shearing machines or shearing devices
- B23D33/02—Arrangements for holding, guiding, and/or feeding work during the operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D33/00—Accessories for shearing machines or shearing devices
- B23D33/12—Equipment for indicating where to cut
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention provides aluminum alloy medium plate shearing length sizing equipment and a control method, and belongs to the technical field of nonferrous technology processing. The equipment comprises a hydraulic lifting device and a laser range finder, wherein the laser range finder is arranged on a lifting platform at the top end of the hydraulic lifting device, and the hydraulic lifting device can vertically lift. The method for shearing and sizing the aluminum medium plate by using the equipment has the main principle that the head position of the aluminum plate is measured by using a laser range finder, and then the distance from the head of the aluminum plate to the sizing shears is calculated, so that the shearing length of the aluminum plate is accurately controlled. The invention can accurately control the shearing length of the aluminum plate, meets the requirement of a user on stepless sizing, has the length control precision within an ideal tolerance range, simple design structure, stable and reliable sizing precision and low maintenance cost.
Description
Technical Field
The invention relates to the technical field of aluminum alloy medium plate shearing length sizing equipment and a control method, in particular to aluminum alloy medium plate shearing length sizing equipment and a control method.
Background
The aluminum alloy medium plate is mainly applied to the fields of traffic transportation industry, industrial mold manufacturing industry, mechanical manufacturing industry and the like, wherein the traffic transportation industry is mainly used for aerospace industry, ship manufacturing, automobile manufacturing and the like. Along with the intense competition of the market, the requirements of users on the surface quality and the size precision of products are higher and higher, aluminum alloy production enterprises also face the pressure of reducing the cost and improving the quality of the products, and the requirements on the length precision of the aluminum alloy medium plate are higher and higher. At present, the scale mode of aluminum alloy medium plate production line mainly divide into manual mode and automatic mode, and manual mode is passed through the producer and is measured aluminum plate length then sheared through the ruler, and this kind of mode is more wasted time and energy, and the precision is relatively poor. Automatic mode is through measuring instrument actual measurement aluminum plate length then cut, and this kind of mode production efficiency is high, and the precision is higher. Automatic scale aluminum plate length measurement mode generally is indirect measurement mode, utilizes the tachymeter to measure aluminum plate real-time speed promptly, then utilizes actual measurement aluminum plate speed to multiply by the time and calculate aluminum plate length, and the scale precision of this kind of aluminum plate scale mode relies on aluminum plate speed measurement precision and length to calculate initial position precision, if the precision of testing the speed is relatively poor or length calculation initial position is wrong, can direct influence aluminum plate length scale precision. The method for measuring the speed of the aluminum plate mainly comprises two methods, one is a direct speed measurement method, namely, the laser velocimeter is used for directly measuring the speed of the aluminum plate, and the other is a method for indirectly measuring the speed of the aluminum plate by installing a rotary encoder on the operation side of a roller way. The factors of bright reflection of the surface of the aluminum alloy, low transportation speed of the aluminum plate on a roller way and the like have certain influence on the measurement precision of the laser velocimeter, and the early purchase cost and the later maintenance cost of the laser velocimeter are higher. The speed measuring mode of installing the rotary encoder at the operation side of the roller way indirectly measures the speed of the aluminum plate through the speed of the roller way, the speed measuring precision of the speed measuring mode is related to the roller diameter of the roller way, the width of the aluminum plate and whether the aluminum plate slips or not with the roller way, the speed measuring mode has the main advantages of small investment in the earlier stage, simple later maintenance and poor measuring precision.
Disclosure of Invention
The invention aims to solve the technical problem of providing the aluminum alloy medium plate shearing length sizing equipment and the control method, which can realize simple operation, low maintenance cost and high sizing precision and meet the requirements of users on stepless sizing.
The sizing equipment is arranged at the tail end of the double-cone-shaped conveying roller way and is positioned behind the aluminum plate discharging device, and the mounting position of the sizing equipment is positioned at the middle position of the double-cone-shaped conveying roller way in the width direction, so that the central line of the sizing equipment and the central line of the sizing shear coincide; the sizing equipment comprises a hydraulic lifting device and a laser range finder, wherein the laser range finder is arranged on a lifting platform at the top end of the hydraulic lifting device, the hydraulic lifting device can vertically lift and is used for adjusting the horizontal height of a laser beam of the laser range finder, and the laser range finder is used for measuring the actual position of the head of the aluminum plate; the hydraulic lifting device comprises a hydraulic cylinder, a displacement sensor, a servo valve and a lifting platform, wherein the lifting platform is fixed at the top end of the hydraulic cylinder, the servo valve drives the hydraulic cylinder to act, and the displacement sensor detects the position of the hydraulic cylinder.
Wherein, the lift platform angle can be adjusted, makes laser rangefinder's laser beam and biconical roll table parallel section through fine setting lift platform angle.
The position control precision of the hydraulic cylinder is +/-0.1 mm, and when the hydraulic cylinder is completely retracted, the horizontal height of a laser beam of the laser range finder is lower than the height of a parallel section of the biconical roller way.
Laser rangingThe measuring precision of the instrument is +/-1.0 mm, and the measuring range of the laser range finder is larger than the distance between the fixed-length equipment and the fixed-length scissorsL 0。
The control method of the sizing equipment comprises the following steps:
s1: zero calibration is carried out on the height of the hydraulic lifting device;
s2: according to the width and the thickness of the aluminum plate and the taper of the conveying roller way, the height set value of the hydraulic lifting device during the fixed-length measurement is calculated, and the calculation formula is as follows:
，
in the formula (I), the compound is shown in the specification,his a set value of the height of the hydraulic lifting device,Wis the width of the aluminum plate,L R the total width of the conveying roller way,L C The width of the single-side taper section of the double-taper conveying roller way,CFor transporting the roller way taper,HThe thickness of the aluminum plate;
s3: the hydraulic lifting device is arranged to a set height value in a position closed loop modeh；
S4: at a speed ofvStarting to rotate the transportation roller way and calculating the distance of the transportation roller way stopping rotatingL stp The calculation formula is as follows:
Lstp＝Ls-Ldec+ΔL，
in the formula (I), the compound is shown in the specification,L s the length of the aluminum plate is fixed to a certain length,L dec for conveying the speed of the roller wayvDeceleration distance to zero, ΔLIs the length correction;
s5: when the laser distance measuring instrument actually measures the head distance of the aluminum plateL act Is equal toL stp When the conveying roller way is decelerated to zero speed, the fixed-length shear is started to shear after the conveying roller way is stopped;
s6: after the shear of the shear is completed, the aluminum plate is conveyed to the lower side of the aluminum plate discharging device, and the discharging device is started to lift the aluminum plate away from the conveying roller way.
And in S1, the position, on the same horizontal plane, of the laser beam of the laser range finder and the parallel section of the double-cone-shaped transportation roller way is defined as the zero position of the height of the hydraulic lifting device.
S2, roller way taperCThe calculation formula of (2) is as follows:C=(D 1-D 0)/L C ，
in the formula (I), the compound is shown in the specification,D 1the diameter of the large end of the roller way,D 0the diameter of the small end of the roller way.
In S4
，
In the formula (I), the compound is shown in the specification,athe deceleration is the deceleration of the conveying roller way.
The technical scheme of the invention has the following beneficial effects:
compared with the existing sizing equipment, the scheme has the advantages of low investment cost and maintenance cost, simplicity in operation and high sizing precision, and can meet the requirements of users on stepless sizing. According to aluminum plate width, thickness and roll table conicity value calculation laser range finder lifting height, make the laser beam shine in the intermediate position of aluminum plate terminal surface, guarantee the validity of measured value, through the accurate measurement aluminum plate position of the laser range finder of high accuracy, calculate aluminum plate scale length, control process is simple, measures stably. The method is simple to implement, can realize the high-precision sizing function of the aluminum plate under the condition of less investment, and has high sizing precision.
Drawings
FIG. 1 is a cross-sectional view of the layout of the aluminum alloy medium plate shearing length sizing equipment of the invention;
FIG. 2 is a schematic diagram of the calculation of the height and position of the lifting device of the aluminum alloy medium plate shearing length sizing equipment of the invention;
FIG. 3 is a plan view showing the arrangement of the aluminum alloy medium plate shearing length sizing device of the present invention.
Wherein: 1-an aluminum plate; 2, cutting to length; 3-double conical conveying roller way; 4-aluminum plate unloading device; 5-laser range finder; 6-hydraulic lifting device.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
The invention provides aluminum alloy medium plate shearing length sizing equipment and a control method.
As shown in fig. 1 and 3, the sizing equipment is installed at the extreme end position of the biconical conveying roller way 3 and behind the aluminum plate unloading device 4, and the installation position of the sizing equipment is at the middle position of the biconical conveying roller way 3 in the width direction, so that the central line of the sizing equipment and the central line of the sizing shears 2 are superposed; the sizing equipment comprises a hydraulic lifting device 6 and a laser range finder 5, wherein the laser range finder 5 is arranged on a lifting platform at the top end of the hydraulic lifting device 6, and the hydraulic lifting device 6 can vertically lift; the hydraulic lifting device comprises a hydraulic cylinder, a displacement sensor, a servo valve and a lifting platform, wherein the lifting platform is fixed at the top end of the hydraulic cylinder, the servo valve drives the hydraulic cylinder to act, and the displacement sensor detects the position of the hydraulic cylinder.
The angle of the lifting platform in the equipment can be adjusted, and the laser beam of the laser range finder 5 is parallel to the parallel section of the biconical roller way by finely adjusting the angle of the lifting platform. The position control precision of the hydraulic cylinder is +/-0.1 mm, and when the hydraulic cylinder is completely retracted, the horizontal height of a laser beam of the laser range finder 5 is lower than the height of a parallel section of the biconical roller way. The measurement precision of the laser range finder 5 is +/-1.0 mm, and the range of the laser range finder is larger than the distance between the fixed-length equipment and the fixed-length scissors 2L 0。
As shown in fig. 2, the process of the device in practical application is as follows:
s1: and calibrating the height of the lifting device in a zero position, wherein the position of the laser beam of the laser range finder and the position of the parallel section of the biconical roller way on the same horizontal plane is defined as the zero position of the height of the lifting device.
S2: according to the width, the thickness and the roller way taper of the aluminum plate, the height set value of the lifting device during the fixed length measurement is calculated, and the calculation formula is as follows:
，
in the formula (I), the compound is shown in the specification,his a set value of the height of the lifting device,Wis the width of the aluminum plate,L R the total width of the roller way,L C The width of the single-side taper section of the double-taper roller way,CIs the roller way taper,HIs the thickness of an aluminum plate.
Wherein, the roller way taperCThe calculation formula of (2) is as follows:C=(D 1-D 0)/L C ，
in the formula (I), the compound is shown in the specification,D 1the diameter of the large end of the roller way,D 0the diameter of the small end of the roller way.
S3: the lifting device is positioned to a set height value in a position closed loop modeh；
S4: at a speed ofvStarting to rotate the transportation roller way and calculating the distance of the transportation roller way stopping rotatingL stp The calculation formula is as follows:
Lstp＝Ls-Ldec+ΔL，
in the formula (I), the compound is shown in the specification,L s the length of the aluminum plate is fixed to a certain length,L dec for conveying the speed of the roller wayvDeceleration distance to zero, ΔLIn order to correct the length of the object,
wherein the content of the first and second substances,
，
in the formula (I), the compound is shown in the specification,athe deceleration is the deceleration of the conveying roller way.
S5: when the laser distance measuring instrument actually measures the head distance of the aluminum plateL act Is equal toL stp And when the conveying roller way starts to decelerate to zero speed, and after the roller way stops, the fixed-length shear is started to shear.
S6: after the shear of the shear is completed, the aluminum plate is conveyed to the lower side of the aluminum plate discharging device, and the discharging device is started to lift the aluminum plate away from the roller way.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (4)
1. The utility model provides an aluminum alloy medium plate shearing length scale equipment which characterized in that: the sizing equipment is arranged at the tail end of the double-cone-shaped conveying roller way (3) and is positioned behind the aluminum plate discharging device (4), and the mounting position of the sizing equipment is positioned at the middle position of the double-cone-shaped conveying roller way (3) in the width direction, so that the central line of the sizing equipment and the central line of the sizing shears (2) are superposed; the sizing equipment comprises a hydraulic lifting device (6) and a laser range finder (5), wherein the laser range finder (5) is arranged on a lifting platform at the top end of the hydraulic lifting device (6), and the hydraulic lifting device (6) can vertically lift; the hydraulic lifting device comprises a hydraulic cylinder, a displacement sensor, a servo valve and a lifting platform, wherein the lifting platform is fixed at the top end of the hydraulic cylinder, the servo valve drives the hydraulic cylinder to act, and the displacement sensor detects the position of the hydraulic cylinder;
the angle of the lifting platform can be adjusted, and the laser beam of the laser range finder (5) is parallel to the parallel section of the biconical roller way by finely adjusting the angle of the lifting platform;
the control method of the sizing equipment comprises the following steps:
s1: zero calibration is carried out on the height of the hydraulic lifting device (6);
s2: according to the width and the thickness of the aluminum plate (1) and the taper of the conveying roller way, the height set value of the hydraulic lifting device (6) during the fixed-length measurement is calculated, and the calculation formula is as follows:
，
in the formula (I), the compound is shown in the specification,his a set value of the height of the hydraulic lifting device,Wis the width of the aluminum plate,L R the total width of the conveying roller way,L C The width of the single-side taper section of the double-taper conveying roller way,CFor transporting the roller way taper,HThe thickness of the aluminum plate;
s3: the hydraulic lifting device is arranged to a set height value in a position closed loop modeh；
S4: at a speed ofvStarting to rotate the transportation roller way and calculating the distance of the transportation roller way stopping rotatingL stp The calculation formula is as follows: l isstp＝Ls-Ldec+ΔL，
In the formula (I), the compound is shown in the specification,L s the length of the aluminum plate is fixed to a certain length,L dec for conveying the speed of the roller wayvDeceleration distance to zero, ΔLIs the length correction;
s5: when the laser distance measuring instrument actually measures the head distance of the aluminum plateL act Is equal toL stp When the conveying roller way is decelerated to zero speed, the fixed-length shear is started to shear after the conveying roller way is stopped;
s6: after the shear of the fixed-length shear is completed, conveying the aluminum plate to the lower side of an aluminum plate unloading device, and starting the unloading device to lift the aluminum plate off a conveying roller way;
the position control precision of the hydraulic cylinder is +/-0.1 mm, and when the hydraulic cylinder is completely retracted, the horizontal height of a laser beam of the laser range finder (5) is lower than the height of the parallel section of the biconical roller bed;
the measuring precision of the laser range finder (5) is +/-1.0 mm, and the measuring range of the laser range finder is larger than the distance between the fixed-length equipment and the fixed-length scissors (2)L 0。
2. The control method of the aluminum alloy medium plate shearing length sizing device according to claim 1, characterized in that: and in the S1, the position, on the same horizontal plane, of the laser beam of the laser range finder (5) and the parallel section of the double-cone-shaped transportation roller way (3) is defined as the zero position of the height of the hydraulic lifting device (6).
3. The control method of the aluminum alloy medium plate shearing length sizing device according to claim 1, characterized in that: in the step S2, roller way taperCThe calculation formula of (2) is as follows:C=(D 1-D 0)/L C ，
in the formula (I), the compound is shown in the specification,D 1the diameter of the large end of the roller way,D 0the diameter of the small end of the roller way.
4. The control method of the aluminum alloy medium plate shearing length sizing device according to claim 1, characterized in that: what is needed isIn the above-mentioned S4
，
In the formula (I), the compound is shown in the specification,athe deceleration is the deceleration of the conveying roller way.
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| CN111176218B (en) * | 2020-01-04 | 2021-04-06 | 太原理工大学 | Rolling shear quality monitoring system and method based on laser and visual detection |
| CN111889804B (en) * | 2020-07-09 | 2023-12-08 | 广东开平红荔铝业有限公司 | Aluminum profile cutting machine and control method thereof |
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| KR200455446Y1 (en) * | 2009-01-29 | 2011-09-05 | 김성우 | Length setting device of cutting material |
| CN102773269B (en) * | 2012-08-16 | 2014-07-23 | 广西柳州银海铝业股份有限公司 | Plate rolling transporter and control method thereof |
| CN203479216U (en) * | 2013-09-25 | 2014-03-12 | 广东韶钢松山股份有限公司 | Checking device for high-temperature bar cut length |
| CN105312963B (en) * | 2014-06-26 | 2017-11-28 | 宝山钢铁股份有限公司 | The localization method of steel plate cutting to length |
| CN106270718B (en) * | 2015-05-20 | 2018-07-06 | 宝山钢铁股份有限公司 | The equipment of cold rolling Varying Thickness Plates automatic shearing and the cutting method based on the equipment |
| CN205183917U (en) * | 2015-11-23 | 2016-04-27 | 莱芜钢铁集团有限公司 | Panel scale system |
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| CN105751009B (en) * | 2016-03-03 | 2017-11-21 | 山东钢铁股份有限公司 | A kind of scale control method of circular big rod |
| CN106091939A (en) * | 2016-06-16 | 2016-11-09 | 山东钢铁股份有限公司 | A kind of online repetition measurement slab cut lengths method |
| CN205748272U (en) * | 2016-06-24 | 2016-11-30 | 石家庄钢铁有限责任公司 | A kind of device measuring bar size and profile |
| CN108393556A (en) * | 2017-02-08 | 2018-08-14 | 鞍钢股份有限公司 | A kind of method of laser measurement slab scale |
| CN107598274A (en) * | 2017-10-20 | 2018-01-19 | 鞍钢未来钢铁研究院有限公司 | A kind of method and device for realizing any scale of rail |
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