CN108359787A - The tension stabilizing device and tension stabilizing control method of vertical float mode - Google Patents
The tension stabilizing device and tension stabilizing control method of vertical float mode Download PDFInfo
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- CN108359787A CN108359787A CN201810368371.3A CN201810368371A CN108359787A CN 108359787 A CN108359787 A CN 108359787A CN 201810368371 A CN201810368371 A CN 201810368371A CN 108359787 A CN108359787 A CN 108359787A
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- 230000000087 stabilizing effect Effects 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 238000006073 displacement reaction Methods 0.000 claims description 18
- 230000006641 stabilisation Effects 0.000 claims description 6
- 238000011105 stabilization Methods 0.000 claims description 6
- 238000000137 annealing Methods 0.000 claims description 2
- 238000004904 shortening Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 9
- 239000010960 cold rolled steel Substances 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 12
- 210000001331 nose Anatomy 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 230000010455 autoregulation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000013000 roll bending Methods 0.000 description 1
- 230000003019 stabilising effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/562—Details
- C21D9/564—Tension control
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/562—Details
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/562—Details
- C21D9/563—Rolls; Drums; Roll arrangements
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The present invention relates to a kind of tension stabilizing devices and tension stabilizing control method of vertical float mode, belong to cold-strip steel technical field of heat treatment.First slewing rollers are located at the bottom of braced frame with tonometry roller, vehicle is vertically moved slidably to connect by four guide rails with braced frame, cylinder driving mechanism is located at the lower section for vertically moving vehicle, it vertically moves vehicle and is provided with the second slewing rollers, strip sequentially passes through the first slewing rollers, the second slewing rollers and tonometry roller, cylinder driving mechanism, which can drive, to be vertically moved vehicle and is moved along the length direction of guide rail, and servo-control mechanism can control the working condition of cylinder driving mechanism.The tension stabilizing device of vertical float mode, it can be in cold-rolled steel sheet continuous heat unit, strip tension is in different range fluctuating change, tension stabilizing device can change its output automatically, it is not required to operating personnel's operation, and the precision for improving tension force meets the needs of cold rolled sheet Heat treating machine set.
Description
Technical field
The present invention relates to cold-strip steel technical field of heat treatment, in particular to a kind of tension of vertical float mode
Stabilising arrangement and tension stabilizing control method.
Background technology
Cold-strip steel continuous heat production line will make strip continuous operation on roller, what strip was just necessarily tensioned,
Form so-called strip tension.The tension of strip is that the frictional force of roller roll surface and strip is formed before and after a certain section strip steel, and is opened
The size of power is controlled by the speed difference of two active roller turns before and after adjusting strip, wherein this formation simultaneously controls
The roller of production line tension is known as jockey pulley.
When cold-strip steel passes through continuous heat treating furnace, if strip tension has fluctuation, broken belt in stove can be caused when serious,
Influence normal production；Stove internal tension fluctuation it is slight when, strip unbalance stress in heat-treatment furnace can be caused, make strip through overheat at
Plate deformation after reason is poor, reduces the credit rating of finished steel coils, influences the economic benefit of enterprise, this is based on, at cold rolled sheet heat
Reason unit has strict demand to strip tension fluctuation.But cold rolled sheet Heat treating machine set when operation converts such as：Replace steel
Volume specification, unit are accelerating, in moderating process and when unit supplied materials steel plate roll bending shape is bad, can all cause strip tension wave
It is dynamic.Previous continuous heat stokehold is only equipped with tonometry roller, detects stokehold strip tension fluctuation, then controls to adjust
Stokehold jockey pulley rotating speed, and then regulating stove internal tension, to maintain tension stability, still, the mode of this control tension fluctuation, instead
It should lag, precision is low, cannot strip tension fluctuation in timely and effective control stove.
Invention content
It, can be with it is an object of the invention in view of the above-mentioned problems, provide a kind of tension stabilizing device of vertical float mode
In cold-rolled steel sheet continuous heat unit, when strip tension setting value changes, tension stabilizing device can follow tension to set
The variation of definite value is automatically adjusted to the setting value；And tension servo adjusting is constantly carried out at the setting value, the moment keeps practical
The stabilization of tension value is not required to operating personnel's operation, and improves the precision of tension force, meets cold rolled sheet heat-treating machine
The needs of group, make the above problem be improved.
It is another object of the present invention to provide a kind of tension stabilizing control methods, both can be with traditional Electrified Transmission
Closed-loop tension control system uses simultaneously, is complementary to one another；It can also be mutually completely independent use, adjust alone, be independent of each other, mutually
It does not interfere, improves the reliability of production process, improve production efficiency, meet the needs of user.
The invention is realized in this way：
The embodiment provides a kind of tension stabilizing devices of vertical float mode, including braced frame, first
Slewing rollers, tonometry roller vertically move vehicle, cylinder driving mechanism and servo-control mechanism；
For being installed on fixture, first slewing rollers are respectively arranged in the braced frame with the tonometry roller
The opposite both sides of the braced frame, first slewing rollers are located at the bottom of the braced frame with the tonometry roller
Portion is provided with four guide rails on the inside of the braced frame, and the guide rail is vertically arranged, described to vertically move vehicle and institute
It states braced frame slidably to connect by four guide rails, the cylinder driving mechanism is located at described vertically move under vehicle
Side, the cylinder driving mechanism connect with the vehicle that vertically moves, and the vehicle that vertically moves is provided with the second slewing rollers, strip according to
It is secondary to pass through first slewing rollers, second slewing rollers and the tonometry roller, the cylinder driving mechanism that drive
The vehicle that vertically moves is moved along the length direction of the guide rail, and the servo-control mechanism connects with the cylinder driving mechanism
It connects, the servo-control mechanism can control the working condition of the cylinder driving mechanism.
In optional embodiment of the present invention, the vehicle that vertically moves includes movable stand and is installed on leading for the movable stand
Wheel unit, the movable stand include four connection guide parts, and four connections guide part is located at the four of the movable stand
Angle, four connections guide parts and four guide rails correspond, and the guide wheel includes four guide wheel groups, and described four
A guide wheel group connect guide part with described four and corresponds, and the guide wheel group is rotatably connected with the connection guide part,
The guide wheel group is rotatably provided in the guide rail, and the cross section of the guide rail is L-shaped structure, is led described in adjacent two
Rail is oppositely arranged, and the guide rail is removably connect with the braced frame.
In optional embodiment of the present invention, the movable stand is provided with rotation chamber, second slewing rollers and the shifting
Moving frame rotatably connects, and part second slewing rollers are located at the rotation intracavitary, and second slewing rollers can drive band
Steel is moved in the rotation intracavitary.
In optional embodiment of the present invention, second slewing rollers include the first roll body and can turn with first roll body
The first bearing seat of dynamic connection, the first bearing seat are located at the both ends of first roll body；The first bearing seat be used for
The movable stand removably connects, and first roll body includes roller and spindle nose, and the spindle nose is located at the both ends of the roller,
The spindle nose is connect with the roller, and the spindle nose is rotatably connect with the first bearing seat by bearing, the bearing
Both ends be respectively arranged with bearing cap, the bearing cap is tightly connected with the first bearing seat.
In optional embodiment of the present invention, the tension stabilizing device of the vertical float mode further includes balance mechanism,
The balance mechanism includes two balanced components, and described two balanced components are located at opposite two for vertically moving vehicle
End, the balanced component includes balance shaft bearing, sheave shaft, two rope sheaves, steel wire rope and counterweight case, the equalizer bearing
Seat is installed on the top of the braced frame, and the sheave shaft is rotatably connect with the balance shaft bearing, described two ropes
Wheel and the rope sheave axis connection, the steel wire loop are set to the rope sheave and coordinate with the rope sheave, the both ends of the steel wire rope
It is connect respectively with the counterweight case and the vehicle that vertically moves, the counterweight case vertically moves vehicle difference position with described
In the both sides of the sheave shaft.
In optional embodiment of the present invention, the tonometry roller includes the second roll body and tensometer, second roller
Body is removably connect with the braced frame by second bearing seat, and second roll body and the second bearing seat are rotatable
Connection, the tensometer removably connect with second roll body.
In optional embodiment of the present invention, the cylinder driving mechanism includes air cylinder support, cylinder and cylinder connector, institute
Air cylinder support is stated for being installed on fixture, the cylinder is removably connect with the air cylinder support, and the cylinder is along vertical
Direction is arranged, and the piston rod of the cylinder is connect with the vehicle that vertically moves by the cylinder connector.
In optional embodiment of the present invention, the servo-control mechanism includes pneumatic system and PLC control system, described
Pneumatic system includes air accumulator, air source processing element and ratio adjusting valve, the air accumulator be located at the air source processing element with
Between the ratio adjusting valve, the ratio adjusting valve is connect with the cylinder, the PLC control system respectively with proportion adjustment
Valve and tensometer electrical connection.
In optional embodiment of the present invention, the tension stabilizing device of the vertical float mode further includes that straight-line displacement passes
Sensor, the linear displacement transducer include detector and displacement holder, and the detector passes through described with the braced frame
Displacement holder removably connects, and the detector is connect with the vehicle that vertically moves, the detector and the proportion adjustment
Valve is electrically connected, and the detector is used to detect the displacement for vertically moving vehicle.
The embodiment of the present invention also provides a kind of tension stabilizing control method, including：
Strip is entered into annealing furnace by the first slewing rollers, the second slewing rollers and tonometry roller successively, cylinder pushes the
Two slewing rollers vertically move；
When unit constant tension, cylinder thrust balances each other with two times of strip tension；
When strip due to being reduced suddenly by thermal stretching or strip tension in stove, cylinder pushes the second slewing rollers along vertical side
To moving up, re-established until strip re-tensioning balances in turn；
When in stove strip due to being cooled shortening or when strip tension increases suddenly, cylinder pulls the second slewing rollers along vertical side
To moving down, re-established until strip re-tensioning balances in turn；
During strip tension is adjusted, the change of the second slewing rollers position is detected in real time by linear displacement transducer
Change, when the second slewing rollers are moved to extreme position, cylinder pressure is adjusted by PLC control system, control cylinder pushes second
Slewing rollers move；When being returned to centre position, cylinder pressure will be again restored to setting pressure；
Tonometry roller detects strip tension in real time, and the parameter that cylinder pressure PID is adjusted is adjusted according to the variation of tension value,
Ensure cylinder pressure adjustment during tension value stabilization.
Compared with prior art, beneficial effects of the present invention are：
The tension stabilizing device of vertical float mode can work as strip tension in cold-rolled steel sheet continuous heat unit
When setting value changes, tension stabilizing device can follow the variation of tension setting value, be automatically adjusted to the setting value；And it sets at this
Tension servo adjusting is constantly carried out at definite value, the moment keeps the stabilization of actual tension value, is not required to operating personnel's operation, and improve
The precision of tension force, meets the needs of cold rolled sheet Heat treating machine set.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of the tension stabilizing device of vertical float mode provided in an embodiment of the present invention；
Fig. 2 be vertical float mode provided in an embodiment of the present invention tension stabilizing device A to structural schematic diagram；
Fig. 3 is enlarged diagram at the B of Fig. 2；
Fig. 4 is the structural schematic diagram of the second slewing rollers；
Fig. 5 is the structural schematic diagram of the balance mechanism of Fig. 1；
Fig. 6 is the structural schematic diagram of the pneumatic system of vertical float mode provided in an embodiment of the present invention；
Fig. 7 is the force analysis schematic diagram of the tension stabilizing device of vertical float mode provided in an embodiment of the present invention；
Fig. 8 is the control flow schematic diagram of the tension stabilizing device of vertical float mode provided in an embodiment of the present invention；
Fig. 9 is the structure diagram of the tension stabilizing device of vertical float mode provided in an embodiment of the present invention.
Icon：The tension stabilizing device of 100- vertical float modes；1- braced frames；11- columns；12- connecting cross beams；
13- guide rails；15- sliding spaces；16- connecting lateral plates；17- accommodating chambers；The first slewing rollers of 2-；3- tonometry rollers；The second rollers of 31-
Body；32- tensometers；4- vertically moves vehicle；The second slewing rollers of 41-；The first roll bodies of 411-；4111- rollers；4112- spindle noses；
4113- support plates；412- first bearing seats；413- bearings；414- bearing caps；42- movable stands；421- connection guide parts；422-
Rotate chamber；43- guide wheel groups；431- guide wheels；5- cylinder driving mechanisms；51- air cylinder supports；52- cylinders；53- cylinder connectors；61-
Pneumatic system；611- air accumulators；612- air source processing units；613- ratio adjusting valves；7- balance mechanisms；71- balance shaft bearings；
72- sheave shafts；73- rope sheaves；74- steel wire ropes；75- counterweight casees；8- linear displacement transducers.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term "inner", "outside" is base
In orientation or positional relationship shown in the drawings or the invention product using when the orientation or positional relationship usually put, only
It is that for convenience of description of the present invention and simplification of the description, not indicating or implying the indicated device or element must have specifically
Orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " the
Two " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；Can be
Mechanical connection can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two
Connection inside element.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
In concrete meaning.
Embodiment
Fig. 1 is please referred to, the present embodiment provides a kind of tension stabilizing devices 100 of vertical float mode, are applied to cold-rolled strip
Steel continuous heat production line, be applied to stokehold tension adjustment, including braced frame 1, the first slewing rollers 2, tonometry roller 3,
Vertically move vehicle 4, cylinder driving mechanism 5 and servo-control mechanism.
In the present embodiment, braced frame 1 includes four columns 11, and four columns 11 surround frame structure, for installing
In fixture (ground), play the role of support；First slewing rollers 2 and tonometry roller 3 are located at the opposite of braced frame 1
Both sides, and positioned at braced frame 1 bottom；The inside of braced frame 1 is provided with four guide rails 13, four guide rails 13 and four
Root post 11 corresponds to, and vertically moves vehicle 4 and is located in the space that four columns 11 surround, vertically moves vehicle 4 and be provided with guide wheel 431,
Guide wheel 431 is located in guide rail 13, vertically moves vehicle 4 and is connect with braced frame 1 by guide wheel 431, and vertically moving vehicle 4 can be along leading
Rail 13 is moved relative to braced frame 1, is vertically moved vehicle 4 and is provided with the second slewing rollers 41, strip is through the first slewing rollers 2, second
Enter heat-treatment furnace after slewing rollers 41 and tonometry roller 3；Cylinder driving mechanism 5 is installed on fixture (ground), and is located at
The lower section of vehicle 4 is vertically moved, cylinder driving mechanism 5 is connect with vehicle 4 is vertically moved, and cylinder driving mechanism 5 can drive vertical shifting
Motor-car 4 vertically moves, so that the tension of strip is adjusted；Servo-control mechanism connects with cylinder driving mechanism 5
It connects so that tension stabilizing device can change its output automatically, do not need operating personnel's operation, improve the essence of tension force
Degree, meets the needs of cold rolled sheet Heat treating machine set.
Below to the concrete structure of all parts of the tension stabilizing device 100 of the vertical float mode and between each other
Position relationship is described in detail.
As depicted in figs. 1 and 2, braced frame 1 includes four columns 11 and Duo Gen connecting cross beams 12, and four columns 11 surround
The sliding space 15 of rectangle, four columns 11 play the role of support for being installed on fixture.In the present embodiment, four
It is two groups that column 11, which is divided to, and every group of column 11 is provided with connecting cross beam 12, and two groups of columns 11 are oppositely arranged, and connecting cross beam 12 is located at phase
Between adjacent two root posts 11, the both ends of connecting cross beam 12 are connect with two root posts 11 respectively, and connecting cross beam 12 is used to support phase
Adjacent two root posts 11 ensure the bonding strength of braced frame 1.The inside of braced frame 1 is provided with four guide rails 13, and four are led
Rail 13 is corresponded with four columns 11, and guide rail 13 is vertically arranged.
As shown in figure 3, the cross section of guide rail 13 is L-shaped structure, adjacent two guide rails 13 are oppositely arranged, guide rail 13 and branch
Support frame frame 1 (column 11) removably connects, and the both sides of column 11 are provided with 11 groups of connecting lateral plate 16, connecting lateral plate 16 and column
At the accommodating chamber 17 of U-shaped, guide rail 13 is located in accommodating chamber 17, and guide rail 13 is bolted with connecting lateral plate 16.As this
The optional mode of embodiment, guide rail 13 are process for L-shaped steel plate is thermally treated by cross section, are fixed on by bolt vertical
On column 11.
First slewing rollers 2 are respectively arranged in the opposite both sides of braced frame 1 with tonometry roller 3, the first slewing rollers 2 with
Tonometry roller 3 is corresponding with one group of column 11 respectively, and the first slewing rollers 2 are located at the bottom of braced frame 1 with tonometry roller 3.
It vertically moves vehicle 4 to be located in the sliding space 15 that four columns 11 surround, vertically moves vehicle 4 and led by four with braced frame 1
Rail 13 slidably connects, and vertically moves vehicle 4 and is provided with the second slewing rollers 41, strip sequentially passes through 2, second turns of the first slewing rollers
It to roller 41 and tonometry roller 3, vertically moves vehicle 4 and is moved relative to braced frame 1 along guide rail 13, of strip can be changed
Power.
First slewing rollers 2 are identical as the structure of the second slewing rollers 41, and concrete structure is introduced by the second slewing rollers 41.
Second slewing rollers 41 include the first roll body 411 and the first bearing seat 412 being rotatably connected with the first roll body 411, first bearing
Seat 412 is located at the both ends of the first roll body 411, and first bearing seat 412 is used for and vertically moves vehicle 4 (or column 11) and removably connect
It connects, as shown in Figure 2 and Figure 4, the first roll body 411 includes roller 4111 and spindle nose 4112, and being internally provided with for roller 4111 is multiple
The support plate 4113 being distributed along the axially spaced-apart of roller 4111, support plate 4113 are used to support roller 4111, spindle nose 4112 and branch
Fagging 4113 welds, and the end sleeve of spindle nose 4112 is equipped with bearing 413, and bearing 413 is connect with first bearing seat 412, spindle nose 4112
It is rotatably connect by bearing 413 with first bearing seat 412, the both ends of bearing 413 are respectively arranged with bearing cap 414, bearing
Lid 414 forms closed space with the sealed connection of first bearing seat 412, prevents dust from entering bearing 413, damages bearing 413, makes
First roll body 411 can rotate freely.
Tonometry roller 3 includes the second roll body 31 and tensometer 32 (as shown in Figure 1), and tonometry roller 3 is relative to first
Slewing rollers 2 and the second slewing rollers 41 increase tensometer 32, and the second roll body 31 is identical as 411 structure of the first roll body, the second roll body
31 are removably connect with braced frame 1 by second bearing seat, and the second roll body 31 is rotatably connect with second bearing seat,
Power meter 32 is removably connect with the second roll body 31.Tensometer 32 is used to measure the stress value of the second roll body 31, to feed back band
The size of steel tension fluctuation.
It includes movable stand 42 and the guide wheel for being installed on movable stand 42, as depicted in figs. 1 and 2, movement to vertically move vehicle 4
Frame 42 includes four connection guide parts 421, and four connection guide parts 421 are located at the quadrangle of movable stand 42, and four connections are led
It is corresponded to portion 421 and four guide rails 13, guide wheel includes four guide wheel groups 43, and four guide wheel groups 43 connect with four and lead
It is corresponded to portion 421, each guide wheel group 43 includes two guide wheels 431 being vertically distributed, guide wheel 431 and connect guiding
Portion 421 rotatably connects, and guide wheel 431 is rotatably provided in guide rail 13, and guide wheel 431 is relative to 421 turns of guide part of connection
It is dynamic, movable stand 42 can be driven to be moved relative to braced frame 1 along the length direction (vertical direction) of guide rail 13, so that band
The tension change of steel.
In the present embodiment, voussoir is provided between guide rail 13 and column 11, voussoir is located in accommodating chamber 17, and voussoir is used for
The gap between guide rail 13 and guide wheel 431 is adjusted, is moved flexibly relative to braced frame 1 so that vertically moving vehicle 4.
In the present embodiment, movable stand 42 is provided with rotation chamber 422, and the second slewing rollers 41 rotatably connect with movable stand 42
It connects, first bearing seat 412 is removably connect with movable stand 42, and the second slewing rollers of part 41 (the first roll body 411) are located at rotation
In chamber 422, the second slewing rollers 41 can drive strip to be moved in rotation chamber 422, be equivalent to, the second slewing rollers 41 are relative to shifting
Moving frame 42 rotates, and strip can be driven to move.
As depicted in figs. 1 and 2, the tension stabilizing device 100 of the vertical float mode further includes balance mechanism 7, balancing machine
Structure 7 includes two balanced components, and two balanced components are located at the opposite both ends for vertically moving vehicle 4 (movable stand 42), often
A balanced component is corresponding with one group of column 11, as shown in figure 5, balanced component includes 72, two balance shaft bearing 71, sheave shaft ropes
Wheel 73, steel wire rope 74 and counterweight case 75, balance shaft bearing 71 are installed on the top of column 11 and dismountable with column 11
Connection, two balance shaft bearings 71 are rotatably connect with sheave shaft 72 respectively, and two rope sheaves 73 are located at the both ends of sheave shaft 72,
Steel wire rope 74 is sheathed on rope sheave 73 and coordinates with rope sheave 73, the both ends of steel wire rope 74 respectively with counterweight case 75 and vertically move
Vehicle 4 (movable stand 42) connects, and counterweight case 75 is located at the both sides of sheave shaft 72 with movable stand 42.As the present embodiment
Optional mode, counterweight case 75 are the babinet being welded by steel plate, and the height of internal casting cement, cement can be according to vertical
The weight of locomotive 4 determines, finally makes counterweight case 75 and vertically moves subject to vehicle 4 is equal in weight.Balance mechanism 7 is set
It sets so that vertically move vehicle 4 and moved steadily along guide rail 13, improve the moving stability for vertically moving vehicle 4.
Cylinder driving mechanism 5 is located at the lower section for vertically moving vehicle 4, as shown in Figure 1, cylinder driving mechanism 5 includes cylinder branch
Frame 51, cylinder 52 and cylinder connector 53, air cylinder support 51 is for being installed on fixture (ground)；Cylinder 52 can with air cylinder support 51
The connection of dismounting, air cylinder support 51 play the role of support, positioning cylinder 52, and cylinder 52 is vertically arranged, cylinder 52
Piston rod is connect with vehicle 4 (movable stand 42) is vertically moved by cylinder connector 53, and the piston rod of cylinder connector 53 and cylinder 52 can
The connection of dismounting, 52 structure of cylinder with vertically move vehicle 4 and removably connect, convenient for vertically moving the Assembly And Disassembly of vehicle 4, carry
High maintenance efficiency.Cylinder 52 can drive movable stand 42 to be moved along the length direction of guide rail 13, real so as to adjust the tension of strip
The automatic adjustment of existing strip tension.
Servo-control mechanism includes pneumatic system 61 and PLC control system, as shown in fig. 6, pneumatic system 61 includes gas storage
Tank 611, air source processing unit 612 and ratio adjusting valve 613, air accumulator 611 are located at air source processing unit 612 and ratio adjusting valve
Between 613 gas circuit, ratio adjusting valve 613 is connect with cylinder 52；PLC system respectively with ratio adjusting valve 613 and tensometer 32
Electrical connection is exported by the tension for the strip that tensometer 32 detects according to the air-flow for calculating adjustment ratio adjusting valve 613.
Air accumulator 611 and air source processing unit 612 are prerequisites, ensure that the stabilization of 52 operating pressure of cylinder, are ensured
Cylinder 52 can be under real-time control, the correct and work stablized.Ratio adjusting valve 613 is connect with cylinder 52, when unit tension
When constant, cylinder thrust balances each other with two times of strip tension；The supply gas pressure of cylinder 52 is by the ratio in pneumatic system 61
Regulating valve 613 set up, and system can in real time 52 pressure of auto regulation cylinder in setting value.Due to the friction of field device
The influence of resistance or other invalid resistances can carry out certain coefficient of tension with the output of comparative example regulating valve 613 and compensate, in the hope of
Reach more accurate stability contorting effect.The effective push of cylinder 52 is converted into the confession of ratio adjusting valve 613 through PLC control system
The master of atmospheric pressure, the control as ratio adjusting valve 613 is given.52 thrust of the cylinder feelings constant in cylinder diameter, bar diameter, range
It is one-to-one with strip tension setting value under condition, and meets buffer roll equilibrium condition：
N=2T+f
In formula：N---- cylinder effective push；T---- strip tensions；The frictional resistance of f---- buffer rolls.Fig. 7 is, vertically
The force analysis schematic diagram of the tension stabilizing device 100 of ralocatable mode.Fig. 8 is the tension stabilizing device 100 of vertical float mode
Control flow schematic diagram.Fig. 9 is the structure diagram of the tension stabilizing device 100 of vertical float mode.
In the present embodiment, the tension stabilizing device 100 of the vertical float mode further includes linear displacement transducer 8, directly
Linear movement pick-up 8 includes detector and displacement holder, and detector is removably connect with braced frame 1 by displacement holder,
Detector is connect with vehicle 4 is vertically moved, and detector is electrically connected with ratio adjusting valve 613 by PLC control system.Detector is used for
Detection vertically moves the displacement of vehicle 4, and the displacement detected is converted to electric signal and is delivered to PLC control system by detector,
PLC control system controls ratio adjusting valve 613 and works, and then controls cylinder 52 and push the speed for vertically moving the advance of vehicle 4.
The tension stabilizing control method (i.e. operation principle) of the embodiment of the present invention is：
When unit constant tension, cylinder thrust balances each other with two times of strip tension；When strip is stretched due to heated in stove
When long or other reasons cause strip tension to reduce suddenly, cylinder thrust and the equilibrium relation of stove internal tension are broken, cylinder 52
It can push and vertically move the advance of vehicle 4, be re-established until strip re-tensioning balances in turn, at this point, since cylinder 52 is by air pressure
The control of servo-drive system, pressure can remain unchanged, therefore stove internal tension also will stabilise at setting value；Conversely, when tension is unexpected
When increase, the operation principle of settling position is similar therewith.In this process, the detection in real time of linear displacement transducer 8 is vertical moves
The variation of 4 position of motor-car, when locomotive is moved to two end extreme positions, PLC control system meeting automatic fine tuning cylinder pressure, control
It is slowly mobile that the promotion of cylinder 52 processed vertically moves vehicle 4；When being returned to centre position, cylinder pressure will be again restored to setting pressure
Power.Tonometry roller 3 detects strip tension in real time, the parameter adjusted according to the variation adjustment cylinder pressure PID of tension value, it is ensured that
Tension value stabilization during cylinder pressure adjustment, does not occur big fluctuation.
The tension stabilizing device 100 of the vertical float mode, can be in cold-rolled steel sheet continuous heat unit, strip
For power in different range fluctuating change, tension stabilizing device can change its output automatically, be not required to operating personnel's operation, and carry
The high precision of tension force, meets the needs of cold rolled sheet Heat treating machine set.
It should be noted that in the absence of conflict, the feature in embodiment in the present invention can be combined with each other.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of tension stabilizing device of vertical float mode, which is characterized in that including braced frame, the first slewing rollers, tension
It measures roller, vertically move vehicle, cylinder driving mechanism and servo-control mechanism；
The braced frame is respectively arranged in described for being installed on fixture, first slewing rollers with the tonometry roller
The opposite both sides of braced frame, first slewing rollers are located at the bottom of the braced frame, institute with the tonometry roller
It states and is provided with four guide rails on the inside of braced frame, the guide rail is vertically arranged, described to vertically move vehicle and the branch
Support frame frame is slidably connected by four guide rails, and the cylinder driving mechanism is located at the lower section for vertically moving vehicle,
The cylinder driving mechanism is connect with the vehicle that vertically moves, and the vehicle that vertically moves is provided with the second slewing rollers, and strip is successively
Across first slewing rollers, second slewing rollers and the tonometry roller, the cylinder driving mechanism can drive institute
It states and vertically moves vehicle and moved along the length direction of the guide rail, the servo-control mechanism is connect with the cylinder driving mechanism,
The servo-control mechanism can control the working condition of the cylinder driving mechanism.
2. the tension stabilizing device of vertical float mode according to claim 1, which is characterized in that described to vertically move vehicle
Including movable stand and the guide wheel for being installed on the movable stand, the movable stand include four connection guide parts, described four
Connection guide part is located at the quadrangle of the movable stand, and four connection guide parts are corresponded with four guide rails,
The guide wheel includes four guide wheel groups, and four guide wheel groups connect guide part with described four and correspond, described to lead
Wheel group is rotatably connected with the connection guide part, and the guide wheel group is rotatably provided in the guide rail, the guide rail
Cross section be L-shaped structure, adjacent two guide rails are oppositely arranged, and the guide rail removably connects with the braced frame
It connects.
3. the tension stabilizing device of vertical float mode according to claim 2, which is characterized in that the movable stand setting
There are rotation chamber, second slewing rollers rotatably to be connect with the movable stand, part second slewing rollers are located at described turn
Dynamic intracavitary, second slewing rollers can drive strip to be moved in the rotation intracavitary.
4. the tension stabilizing device of vertical float mode according to claim 3, which is characterized in that second slewing rollers
The first bearing seat being rotatably connected including the first roll body and with first roll body, the first bearing seat are located at described first
The both ends of roll body；The first bearing seat for removably being connect with the movable stand, first roll body include roller and
Spindle nose, the spindle nose are located at the both ends of the roller, and the spindle nose is connect with the roller, the spindle nose and the first bearing
Seat is rotatably connected by bearing, and the both ends of the bearing are respectively arranged with bearing cap, the bearing cap and the first axle
Bearing is tightly connected.
5. the tension stabilizing device of vertical float mode according to claim 2, which is characterized in that the vertical float side
The tension stabilizing device of formula further includes balance mechanism, and the balance mechanism includes two balanced components, described two balanced components
The opposite both ends for vertically moving vehicle are located at, the balanced component includes balance shaft bearing, sheave shaft, two ropes
Wheel, steel wire rope and counterweight case, the balance shaft bearing are installed on the top of the braced frame, the sheave shaft with it is described
Balance shaft bearing rotatably connects, and described two rope sheaves and the rope sheave axis connection, the steel wire loop are set to the rope sheave
And coordinate with the rope sheave, the both ends of the steel wire rope are connect with the counterweight case and the vehicle that vertically moves respectively, institute
State counterweight case and the both sides for vertically moving vehicle and being located at the sheave shaft.
6. the tension stabilizing device of vertical float mode according to claim 1, which is characterized in that the tonometry roller
Including the second roll body and tensometer, second roll body is removably connect with the braced frame by second bearing seat, institute
It states the second roll body rotatably to connect with the second bearing seat, the tensometer is removably connect with second roll body.
7. the tension stabilizing device of vertical float mode according to claim 6, which is characterized in that the cylinder driving machine
Structure includes air cylinder support, cylinder and cylinder connector, and the air cylinder support is for being installed on fixture, the cylinder and the cylinder
Holder removably connects, and the cylinder is vertically arranged, and the piston rod of the cylinder passes through with the vehicle that vertically moves
The cylinder connector connection.
8. the tension stabilizing device of vertical float mode according to claim 7, which is characterized in that the servo-controlled machines
Structure includes pneumatic system and PLC control system, and the pneumatic system includes air accumulator, air source processing element and ratio adjusting valve,
Between the air source processing element and the ratio adjusting valve, the ratio adjusting valve connects the air accumulator with the cylinder
It connects, the PLC control system is electrically connected with ratio adjusting valve and the tensometer respectively.
9. the tension stabilizing device of vertical float mode according to claim 8, which is characterized in that the vertical float side
The tension stabilizing device of formula further includes linear displacement transducer, and the linear displacement transducer includes detector and displacement holder,
The detector is removably connect with the braced frame by the displacement holder, and the detector is vertically moved with described
Vehicle connects, and the detector is electrically connected with the ratio adjusting valve, and the detector is used to detect the position for vertically moving vehicle
Shifting amount.
10. a kind of tension stabilizing control method, which is characterized in that including：
Strip is entered into annealing furnace by the first slewing rollers, the second slewing rollers and tonometry roller successively, cylinder pushes second turn
It is vertically moved to roller；
When unit constant tension, cylinder thrust balances each other with two times of strip tension；
When strip due to being reduced suddenly by thermal stretching or strip tension in stove, cylinder push the second slewing rollers vertically on
It moves, is re-established until strip re-tensioning balances in turn；
When in stove strip due to being cooled shortening or when strip tension increases suddenly, cylinder pull the second slewing rollers vertically under
It moves, is re-established until strip re-tensioning balances in turn；
During strip tension is adjusted, the variation of the second slewing rollers position is detected in real time by linear displacement transducer, when
When second slewing rollers are moved to extreme position, cylinder pressure is adjusted by PLC control system, control cylinder pushes the second slewing rollers
It is mobile；When being returned to centre position, cylinder pressure will be again restored to setting pressure；
Tonometry roller detects strip tension in real time, the parameter adjusted according to the variation adjustment cylinder pressure PID of tension value, it is ensured that
Tension value stabilization during cylinder pressure adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810368371.3A CN108359787A (en) | 2018-04-23 | 2018-04-23 | The tension stabilizing device and tension stabilizing control method of vertical float mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810368371.3A CN108359787A (en) | 2018-04-23 | 2018-04-23 | The tension stabilizing device and tension stabilizing control method of vertical float mode |
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| Publication Number | Publication Date |
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| CN108359787A true CN108359787A (en) | 2018-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810368371.3A Pending CN108359787A (en) | 2018-04-23 | 2018-04-23 | The tension stabilizing device and tension stabilizing control method of vertical float mode |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114671301A (en) * | 2022-03-17 | 2022-06-28 | 合肥通晟智能装备有限公司 | Extremely low tensile sectional type control system of tow in fiber placement equipment |
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Application publication date: 20180803 |