CN103316964A - Stretch bending straightening unit control system of aluminum tape processing equipment - Google Patents
Stretch bending straightening unit control system of aluminum tape processing equipment Download PDFInfo
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- CN103316964A CN103316964A CN201310257001XA CN201310257001A CN103316964A CN 103316964 A CN103316964 A CN 103316964A CN 201310257001X A CN201310257001X A CN 201310257001XA CN 201310257001 A CN201310257001 A CN 201310257001A CN 103316964 A CN103316964 A CN 103316964A
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Abstract
The invention relates to an electrical control technique of aluminum tape processing equipment, in particular to a stretch bending straightening unit control system of the aluminum tape processing equipment. The system comprises an inlet tension motor, an outlet tension motor, an uncoiling motor and a coiling motor, the inlet tension motor is connected with a group of inlet tension rolls on the inlet side of a straightening roll, and the outlet tension motor is connected with a group of outlet tension rolls on the outlet side of the straightening roll. The uncoiling motor, the inlet tension motor, the outlet tension motor and the coiling motor are all alternating-current motors and respectively connected to a direct-current bus through inversion units, and the direct-current bus is connected to an alternating-current network via a rectifying unit. When aluminum tapes pass a stretch bending straightening unit, the outlet tension motor and the coiling motor are used as electric motor for consuming electric energy, and the uncoiling motor and the inlet tension motor are used as generators for outputting electric energy to the direct-current bus through the inversion unit. The stretch bending straightening unit control system has the advantages that equipment energy consumption is reduced, equipment maintenance is facilitated, and adaptability to a power supply is enhanced.
Description
Technical field
The present invention relates to the Electrical Control Technology of aluminium process equipment, specifically a kind of stretch bending-straightening machine set control system of aluminium strip process equipment.
Background technology
Tension levelling line is be used to the aluminium processing finishing equipment that improves aluminium sheet template glacing flatness.After cold rolling with the aluminium sheet blank process of hot rolling or casting production, because the shape of technological parameter, equipment level, roll forming roll gap, the reaction force of metal pair roller make roll crooked, the distortion heat of metal expands roll, although roll is ground to certain convexity according to technological requirement, but because the fluctuation of some rolling factor, the larger variation that also can cause roll forming makes the longitudinal extension of aluminium strip on width inhomogeneous, this is arranged and the internal stress that produces, will cause aluminium strip to produce wave.What often occur on the general technology has: bilateral wave, monolateral wave, middle wave, both sides of the chest wave etc., even also have end to end warpage, lateral bending and the defectives such as wooden dipper song and potential bad plate shape.If these defectives are not eliminated, will affect the deep processing of band, more can not the high-level requirement of satisfying the market.The surface and the bad various defectives of plate shape that produce in cold-rolled process for eliminating aluminium strip are cleaned and stretch-bend leveller the aluminium strip after cold rolling with regard to using stretch bending to rectify machine.
Stretch bending-straightening machine is to extend theory according to the elastoplasticity of material band is carried out leveling.Its basic principle is the bending roll of many groups minor diameter of arranging by alternatively up and down continuously under the tension force effect that the jockey pulley group applies of band, under using, stretching and crooked uniting produced along its length the longitudinal extension of plasticity, the length of each bar longitudinal fiber of band is trended towards unanimously, thereby reduce the inhomogeneities that the inner vertically internal stress of band distributes, improve the glacing flatness of band.Stretch bending-straightening machine is comprised of roll leveller and tension flattening machine two parts, therefore combine well the advantage of roll leveller and tension flattening machine, in the situation that tensile stress level can be realized than large plastometric set far below Materials Yield Limit, when improving the glacing flatness of thin plate, also help the anisotropy of improving material and avoid yield point elongation and stop the formation of skid wire, for the aluminium strip rolling continuous straightening of wider range provides may.
Tension levelling line mainly is comprised of uncoiler, cleaning, drying, entrance jockey pulley group, outlet jockey pulley group, smoothing roll, end trimming shears, coiling machine etc.Produce ejecting plate shape and the qualified finished product volume of surface quality by tension force and the speed control specific elongation steadily of controlling jockey pulley group and uncoiling, coiling machine.
Aspect Electrified Transmission control, owing to all using direct current generator as transmission device now, although it has good speed adjusting performance and startability, it is higher to environment for use and attendant's level requirement, needs often maintenance and fault rate also higher.
Summary of the invention
Technical problem to be solved by this invention is, a kind of stretch bending-straightening machine set control system that can the aluminium strip process equipment that simplified apparatus is safeguarded, good to power adaptation, energy consumption is low is provided.
The stretch bending-straightening machine set control system of aluminium strip process equipment of the present invention, include the entrance tension motor that is connected with one group of entrance jockey pulley of smoothing roll entrance side, with one group of outlet tension motor, uncoiling motor, reel-motor that the outlet jockey pulley is connected of smoothing roll outlet side; Described uncoiling motor, entrance tension motor, outlet tension motor, reel-motor are alternating current generator, and are connected on the dc bus by inversion unit respectively, and dc bus connects AC network by rectification unit; During aluminium strip process stretch bending-straightening machine, outlet tension motor and reel-motor consume electric energy as motor, and uncoiling motor and entrance tension motor are exported electric energy by inversion unit to dc bus as generator.
Also be connected with brake unit on the described dc bus.
Advantage applies of the present invention exists: 1, utilize the different operating state of entrance side and outlet side motor, make the motor of entrance side when providing tension force for aluminium strip, can be used as generator and input electric energy to system, thereby saved equipment energy consumption; 2, utilize alternating current generator as power source, plant maintenance makes things convenient for, has strengthened the adaptability to power supply.
Description of drawings
Fig. 1 is the part schematic diagram of Tension levelling line;
Fig. 2 is control system schematic diagram of the present invention.
The specific embodiment
Control system of the present invention is in Tension levelling line shown in Figure 1, and this Tension levelling line includes the uncoiler 1 that connects the uncoiling motor, the one group of entrance jockey pulley 2 that is connected with the entrance tension motor, smoothing roll 3, exports jockey pulley 4 with one group that exports that tension motor is connected, by the coiling machine 5 of reel-motor driving.
As shown in Figure 2, control system of the present invention include the entrance tension motor 6 that is connected with one group of entrance jockey pulley of smoothing roll entrance side, with one group of outlet tension motor 7, uncoiling motor 8, reel-motor 9 that the outlet jockey pulley is connected of smoothing roll outlet side; Described uncoiling motor, entrance tension motor, outlet tension motor, reel-motor are alternating current generator, and are connected on the dc bus 10 by inversion unit respectively, and dc bus connects AC network by rectification unit; During aluminium strip process stretch bending-straightening machine, outlet tension motor and reel-motor consume electric energy as motor, and uncoiling motor and entrance tension motor are exported electric energy by inversion unit to dc bus as generator.Also be connected with brake unit on the dc bus, be used for whole system is braked.
Claims (2)
1. the stretch bending-straightening machine set control system of an aluminium strip process equipment, include the entrance tension motor that is connected with one group of entrance jockey pulley of smoothing roll entrance side, with one group of outlet tension motor, uncoiling motor, reel-motor that the outlet jockey pulley is connected of smoothing roll outlet side; It is characterized in that: described uncoiling motor, entrance tension motor, outlet tension motor, reel-motor are alternating current generator, and are connected on the dc bus by inversion unit respectively, and dc bus connects AC network by rectification unit; During aluminium strip process stretch bending-straightening machine, outlet tension motor and reel-motor consume electric energy as motor, and uncoiling motor and entrance tension motor are exported electric energy by inversion unit to dc bus as generator.
2. the stretch bending-straightening machine set control system of aluminium strip process equipment according to claim 1 is characterized in that: be connected with brake unit on the described dc bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310257001XA CN103316964A (en) | 2013-06-26 | 2013-06-26 | Stretch bending straightening unit control system of aluminum tape processing equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310257001XA CN103316964A (en) | 2013-06-26 | 2013-06-26 | Stretch bending straightening unit control system of aluminum tape processing equipment |
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| CN103316964A true CN103316964A (en) | 2013-09-25 |
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| CN201310257001XA Pending CN103316964A (en) | 2013-06-26 | 2013-06-26 | Stretch bending straightening unit control system of aluminum tape processing equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105880315A (en) * | 2016-06-14 | 2016-08-24 | 佛山市荣星数控设备制造有限公司 | Circuit structure for withdrawal and straightening machine |
| CN107363103A (en) * | 2017-07-10 | 2017-11-21 | 太原重工股份有限公司 | The control method and control system of mandrel movement limiting |
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| DE102008024013B3 (en) * | 2008-05-16 | 2009-08-20 | Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh | Method and device for straightening a metal strip |
| CN101664773A (en) * | 2009-09-08 | 2010-03-10 | 中冶南方（武汉）自动化有限公司 | Control method for preventing band steel from being broken in tension leveler |
| WO2011032890A1 (en) * | 2009-09-18 | 2011-03-24 | Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh | Method and device for continuously stretch-bend-leveling metal strips |
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| CN203304333U (en) * | 2013-06-26 | 2013-11-27 | 江苏亨特宏业重工有限公司 | Bending and straightening unit control system of aluminum strip machining device |
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- 2013-06-26 CN CN201310257001XA patent/CN103316964A/en active Pending
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| CN101109962A (en) * | 2007-07-23 | 2008-01-23 | 武汉钢铁(集团)公司 | Linear velocity control method used for pushing acid washing assembly line |
| DE102008024013B3 (en) * | 2008-05-16 | 2009-08-20 | Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh | Method and device for straightening a metal strip |
| CN101664773A (en) * | 2009-09-08 | 2010-03-10 | 中冶南方（武汉）自动化有限公司 | Control method for preventing band steel from being broken in tension leveler |
| WO2011032890A1 (en) * | 2009-09-18 | 2011-03-24 | Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh | Method and device for continuously stretch-bend-leveling metal strips |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105880315A (en) * | 2016-06-14 | 2016-08-24 | 佛山市荣星数控设备制造有限公司 | Circuit structure for withdrawal and straightening machine |
| CN107363103A (en) * | 2017-07-10 | 2017-11-21 | 太原重工股份有限公司 | The control method and control system of mandrel movement limiting |
| CN107363103B (en) * | 2017-07-10 | 2019-08-02 | 太原重工股份有限公司 | The control method and control system of mandrel movement limiting |
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Application publication date: 20130925 |