CN105253674B - Steel belt transmission device, and system and method for controlling steel belt transmission device - Google Patents
Steel belt transmission device, and system and method for controlling steel belt transmission device Download PDFInfo
- Publication number
- CN105253674B CN105253674B CN201510626439.XA CN201510626439A CN105253674B CN 105253674 B CN105253674 B CN 105253674B CN 201510626439 A CN201510626439 A CN 201510626439A CN 105253674 B CN105253674 B CN 105253674B
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- China
- Prior art keywords
- roller
- speed
- steel band
- fire door
- variator rollers
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H20/00—Advancing webs
- B65H20/30—Arrangements for accumulating surplus web
- B65H20/32—Arrangements for accumulating surplus web by making loops
- B65H20/34—Arrangements for accumulating surplus web by making loops with rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
- B65H23/1806—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in reel-to-reel type web winding and unwinding mechanism, e.g. mechanism acting on web-roll spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
- B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
- B65H26/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs
- B65H26/04—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs for variation in tension
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/10—Size; Dimensions
- B65H2511/11—Length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/10—Size; Dimensions
- B65H2511/14—Diameter, e.g. of roll or package
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2513/00—Dynamic entities; Timing aspects
- B65H2513/10—Speed
- B65H2513/11—Speed angular
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2551/00—Means for control to be used by operator; User interfaces
- B65H2551/10—Command input means
- B65H2551/18—Graphical interactive displays; Mouses; Touchscreens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2551/00—Means for control to be used by operator; User interfaces
- B65H2551/20—Display means; Information output means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2553/00—Sensing or detecting means
- B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
- B65H2553/41—Photoelectric detectors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Abstract
The invention discloses a steel belt transmission device. The steel belt transmission device comprises an unrolling part, an annealing part and a rolling part which are sequentially arranged. Buffer adjusting parts are arranged at the front and rear ends of the annealing part and comprise the first buffer part arranged between the annealing part and the unrolling part and the second buffer part arranged between the annealing part and the rolling part, so that sectional type tension control over the transmission device for steel belts needing to be subjected to annealing treatment is achieved. As the transmission aim is achieved only by providing tension for tightening the steel belts at the unrolling part and the rolling part, larger tension is not needed and the steel belts need to be subjected to annealing treatment at the annealing part, the sectional type tension control is more reasonable compared with the mode that stable and large tension needs to be provided for the steel belts at the unrolling part and the rolling part.
Description
Technical field
The present invention relates to a kind of equipment of processing steel band, in particular, is related to a kind of tape driving device and its control
Method.
Background technology
The normal bundling production of rewinding production line adopts combined operation, uncoiler motor and electric motor of coiling machine muck in produce
Cast steel belt tension.Steel band overtension can cause the stretching shape of strip steel, and tension force is too small to cause winding irregular, tension force
Effect directly affects the quality of strip steel, therefore appropriate tension force is to ensure condition and product quality that production process is normally carried out
Key.
Wherein, there is no tension force detecting element in indirect tension control system, the control to tension force is by spooler
Physical equation carry out static state, dynamic analysis, therefrom find out affect tension force all electric physical quantity, these physical quantitys are carried out
Control, so as to reach the purpose of constant tensile control.
But needing to carry out in the production line of heat treatment steel band, in order that the steel band stress after heat treatment is equal
It is even, it is constant in the tensile force needs of the steel band of the rear and front end of fire door, and the undulated control needs of tension force are especially accurate, otherwise exist
The generation for belt phenomenon occur is particularly easy to while heat treatment.If only produced simply by between uncoiler and winder
Steel band tension force, the tension force of the steel band of intermediate transport part is controlled by tenslator, then can due to apart from long and
It is difficult to accomplish the steel band tension force of a certain section of precise control, and will for the tension force of this steel band section part for needing and carrying out heat treatment
Ask control especially accurate outer, control accuracy that need not be so high in other steel bands being segmented, so giving birth to steel band heat treatment
Producing line is carried out sectional tension control and is highly desirable to.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of transmission beneficial to realization to steel band is entered
The device of row sectional tension control and the control system and control method for realizing the control purpose.
For achieving the above object, the invention provides following technical scheme：A kind of steel band transmitting device, including setting gradually
Uncoiling portion, fire door portion and winding portion, the uncoiling portion includes pay-off roll and controls the uncoiling frequency conversion motor of the pay-off roll torque,
The winding portion includes wind-up roll and controls the winding frequency conversion motor of the wind-up roll torque, and the fire door portion includes annealing furnace, stove
Mouth live-roller and the fire door frequency conversion motor for controlling the fire door live-roller torque, the rear and front end in the fire door portion is provided with dash adjustment
Portion, the dash adjustment portion includes the first buffer part located between fire door portion and uncoiling portion, located at fire door portion and winding portion it
Between the second buffer part,
Steel band in transmission is divided into tension section by the first buffer part, including the first clamp system, first clamp system
With the first slack strand, two ends of the tension section in the first clamp system, the first slack strand is in the first clamp system；
Steel band in transmission is divided into tension section by the second buffer part, including the second clamp system, second clamp system
With the second slack strand, two ends of the tension section in the second clamp system, the second slack strand is in the second clamp system.
By adopting such scheme, whole transporter is divided into into three sections of uncoiling portion, fire door portion and winding portion, is realized to whole
The stagewise tension force of the steel band in individual streamline, due to only needing to provide opening that steel band is tightened in uncoiling portion and winding portion
Power can be achieved with being driven purpose, so tension force that need not be very big, and need to make annealing treatment steel band in fire door portion, so
Need to provide relatively stable and larger tension force to steel band compared to uncoiling portion and winding portion, so this stagewise tension force
Mode it is more reasonable；And by dash adjustment portion, the steel between uncoiling portion and fire door portion, fire door portion and winding portion can be realized
The dash adjustment function of band, realizes the function of Discrete control tension force again, is conducive to steel band realizing three sections in transmit process
While formula tension force, can stablize again and the rational effect for adjusting steel band.
The present invention is further arranged to：The dash adjustment portion also includes being located between the first clamp system and uncoiling portion
First variator rollers and the second variator rollers between the second clamp system and winding portion, first variator rollers are controlled by first
Frequency conversion motor, the second variator rollers are controlled by the second frequency conversion motor.
By adopting such scheme, control to the first variator rollers is realized by the first frequency conversion motor, so as to realize pair setting
The regulation of the steel band amount of the first slack strand in the first clamp system so that the steel band amount of the first slack strand is constantly in one
In the range of rational length, the control to the second variator rollers is realized by the second frequency conversion motor, so as to realize to located at second
The regulation of the steel band amount of the second slack strand in clamp system so that the steel band amount of the second slack strand is constantly in one reasonably
In the range of length.
The present invention is further arranged to：The dash adjustment portion also includes feedback section, and the feedback section is included located at first
The first detecting means below clamp system and the second detecting means below the second clamp system,
First detecting means, including the first storage tank for the first slack strand of receiving, in first storage tank use are provided with
In the first induction apparatuss of the steel band amount for detecting the first slack strand, when the steel band amount that the first induction apparatuss detect the first slack strand is less than
The acceleration of the first frequency conversion motor is controlled during preset value, when the steel band amount that the first induction apparatuss detect the first slack strand is more than preset value
Control the deceleration of the first frequency conversion motor；
Second detecting means, including the second storage tank for the second slack strand of receiving, in second storage tank use are provided with
In the second induction apparatuss of the steel band amount for detecting the second slack strand, when the steel band amount that the second induction apparatuss detect the second slack strand is less than
The deceleration of the second frequency conversion motor is controlled during preset value, when the steel band amount that the second induction apparatuss detect the second slack strand is more than preset value
Control the acceleration of the second frequency conversion motor.
By adopting such scheme, the first variator rollers and the second variator rollers are realized for the first slack strand and second relaxes
Automatically adjusting for steel band amount in section, improves the degree of Automated condtrol.
The present invention is further arranged to：Uncoiling tension sensor is provided between the uncoiling portion and the first variator rollers, it is described
Fire door tension pick-up is provided between fire door live-roller and annealing furnace, winding is provided between the winding portion and the second variator rollers
Force transducer.
By adopting such scheme, the real-time inspection of the tension force to the steel band in uncoiling portion is realized by uncoiling tension sensor
Survey, the real-time detection of the tension force to the steel band in fire door portion is realized by fire door tension pick-up, by winding tension sensor
Realize the real-time detection of the tension force to the steel band in winding portion.
The present invention is further arranged to：Described device also includes the constant speed roller for controlling steel band transfer rate, described
One variator rollers and the second variator rollers follow the speed of the constant speed roller.
By adopting such scheme, by way of dynamic first variator rollers of constant speed roller strap and the second variator rollers, relative to by
The mode of the speed of multiparty control steel band, more with linkage so that the transmission speed of steel band can realize overall variation, prevents
Only there is the generation of the phenomenon that Steel Belt Transmission speed speed differs.
The present invention is further arranged to：First clamp system includes that first clamps entrance roller and the first clamping outlet
Roller, first slack strand is located at first and clamps between entrance roller and the first clamping outlet roller, and first clamps entrance roller by same
Step wheel is synchronous with the first variator rollers, and the first clamping outlet roller is synchronous with fire door live-roller by synchronizing wheel, second clamping machine
Structure includes that second clamps entrance roller and the second clamping outlet roller, and second slack strand is located at second and clamps entrance roller and the second folder
Between tight outlet roller, the second clamping entrance roller is synchronous with the constant speed roller by synchronizing wheel, and second clamps outlet roller by synchronous
Wheel is synchronous with the second variator rollers.
The present invention is further arranged to：The uncoiling portion also includes surrounding the receipts of the abrasion-proof paper in steel coil strip for winding
Paper bowl, the collecting roller is controlled by collection frequency conversion motor, and the winding portion is also included for abrasion-proof paper to be put in wind-up roll
Packing paper roller, the packing paper roller is controlled by packing paper frequency conversion motor.
By adopting such scheme, pay-off roll, by collecting roller, will be located at the abrasion-proof paper on coil of strip while coil of strip is gone out
Synchronous extraction out from level to level winds so that steel band avoids the knotting of abrasion-proof paper and steel band when uncoiling；Wind-up roll is being received
While coil of strip, by the abrasion-proof paper in packing paper roller out, volume from level to level sets up, realize it is Methodistic to coil of strip layer by layer
Protection, prevents the phenomenon that being worn and torn between mutual volume layer occurs in the coil of strip after winding from occurring.
Present invention additionally comprises the control system of control said apparatus, including PLC, encoder, high speed encoder distribute module
And control panel, located at the afterbody of above-mentioned each motor, each encoder line number is via high speed encoder for the encoder
Distribute module respectively incoming PLC high-speed pulses module carry out line length calculating, coil diameter calculate and converter PG stick into scanning frequency degree, torque
Control.
By adopting such scheme, by control system, can be by the various data detected in actuating device, such as uncoiling
Preset value in the data and PLC that detect in force transducer, fire door tension pick-up and winding tension sensor is compared,
Fed back to by PLC again and control the uncoiling frequency conversion motor of this three sections of tension force, fire door frequency conversion motor and winding frequency conversion motor to adjust this
Three sections of tension force reach pre-set constant value, and in the afterbody of each motor encoder is provided with, then by each encoder line number Jing
By high speed encoder distribute module, respectively incoming PLC high-speed pulses module can carry out line length meter by default computing formula
Calculate, coil diameter is calculated and converter PG sticks into scanning frequency degree, direct torque, the system for realizing the Automated condtrol to transporter is built
It is vertical.
Present invention additionally comprises controlling the control method of above-mentioned control system, including setting up, tension force step is played, stable winding step is played
Three phases are played with winding step is terminated；
Set up tension force step to play,
S1. the first clamp system and the second clamp system are depressed, and afterwards signal are sent into into PLC in place；
S2. the first variator rollers, the second variator rollers and constant speed roller band-type brake, pay-off roll, wind-up roll and fire door live-roller are with torque
Control model starts；
S3. the steel band in uncoiling portion, winding portion and fire door portion carries out tension adjustment and realizes constant tensile control；
Stable winding step is played,
S4. the first variator rollers, the second variator rollers and constant speed roller unclamp band-type brake；
S5. the rotating speed of constant speed roller moves closer to setting speed with 1m/s liftings, and the first variator rollers, the second variator rollers are followed
Constant speed roller synchronous raising speed；
S6. when the steel band amount that the first slack strand is detected in the first storage tank is less than preset value, the first speed governing roller will be attached
The speed for plus 3%, makes the first speed governing roller accelerate steel band to send into the first storage tank slightly, when detecting first in the first storage tank
When the steel band amount of slack strand is more than preset value, the first speed governing roller will reduce by 3% speed, slow down the first speed governing roller speed, it is to avoid
Steel band damages steel strip surface in the first storage tank bottom friction, if it is too high that the first slack strand is not detected by the first storage tank
Or when crossing low signal, the first speed governing roller speed will keep constant；
When the steel band amount that the second slack strand is detected in the second storage tank is more than preset value, the second speed governing roller will add 3%
Speed, when detect in the second storage tank the second slack strand steel band amount be less than preset value when, the second speed governing roller will reduce 3%
Speed, make the second speed governing roller speed lifted, it is to avoid steel band in the second storage tank bottom friction damage steel strip surface, if second
When the too high or too low signal of the second slack strand is not detected by storage tank, the second speed governing roller speed will keep constant；
Terminate winding step to play,
S7. the coil diameter of the coil of strip in pay-off roll is reduced to setting value, and constant speed roller starts to reduce, and with 1m/s decelerations, first becomes
Fast roller, the second variator rollers follow constant speed roller synchronously to slow down；
S8. speed is reduced to after 2m/min and stops constant speed roller and fire door jockey pulley, then stops the first variator rollers and second
Variator rollers, then stop pay-off roll and wind-up roll.
The control method is further arranged to, and the coil diameter of the coil of strip in pay-off roll is detected in the s7 and includes that coil diameter calculates public affairs
Formula：D2=i2*V/π*（ST1/16384）... 1., wherein D2Represent the coil diameter of the coil of strip in pay-off roll, i2Represent uncoiler transmission
Speed ratio, V represents the linear velocity of constant speed roller, ST1Represent the rotary regimes value of uncoiler converter DP communications, inverter communication state
Value ST1Maximum be 16384；Constant speed roller linear velocity computing formula is：V=D1*π*（m/1024）/i1... 2., wherein D1Table
Show constant speed roller coil diameter, i1Constant speed roller transmission speed ratio is represented, m represents that PLC high-speed pulses module is obtained by constant speed roller speed measuring coder
The umber of pulse per minute for obtaining, encoder line number is 1024.
By adopting such scheme, by set up tension force step play, stable winding step play and terminates winding step play three phases,
Transporter and control system are combined, the control of transmission and tension force to steel band has carried out more having logical sum safe and reasonable
The control of change.
Compared with prior art, it is an advantage of the current invention that by the tape driving device and control method, it is right to realize
Needing the transporter of the steel band for carrying out annealing treating process carries out the tension force of stagewise, facilitates to steel band transmit process
In tension force and automatization wind steel band operation.
Description of the drawings
Fig. 1 is the tape driving device sketch of the embodiment of the present invention；
Fig. 2 sets up logic diagram for the tension force in the control method of the embodiment of the present invention；
Fig. 3 is for the stable winding in the control method of the embodiment of the present invention and terminates the logic diagram for winding.
In figure, 1, uncoiling portion；11st, pay-off roll；12nd, uncoiling guide roller；121st, uncoiling tension sensor；13rd, winding roll；2、
Fire door portion；21st, annealing furnace；22nd, fire door live-roller；23rd, fire door guide roller；231st, fire door tension pick-up；3rd, winding portion；31、
Wind-up roll；32nd, guide roller is wound；321st, winding tension sensor；33rd, packing paper roller；4th, dash adjustment portion；41st, the first buffering is adjusted
Section portion；4111st, first entrance roller is clamped；4112nd, first outlet roller is clamped；412nd, the first slack strand；413rd, the first storage tank；
414th, first sensor；415th, the first variator rollers；42nd, the second dash adjustment portion；4211st, second entrance roller is clamped；4212nd, second
Clamp outlet roller；422nd, the second slack strand；423rd, the second storage tank；424th, second sensor；425th, the second variator rollers；5th, constant speed
Roller.
Specific embodiment
It is the tape driving device sketch in the present embodiment referring to the drawings 1, it is slow including the uncoiling portion 1, first for setting gradually
Adjustment portion 41, fire door portion 2, the second dash adjustment portion 42 and winding portion 3 are rushed, the uncoiling portion 1 includes that pay-off roll 11 and control should
The uncoiling frequency conversion motor of the torque of pay-off roll 11, and uncoiling guide roller 12 is additionally provided with the coil of strip direction that goes out of pay-off roll 11, and
The uncoiling tension sensor 121 for detecting this section of steel band is provided with the bottom of uncoiling guide roller 12, the uncoiling portion 1 also includes
The collecting roller of the abrasion-proof paper in steel coil strip is surrounded for winding, the collecting roller is controlled by collection frequency conversion motor；In its work
When, steel band is taken out of by pay-off roll 11, and simultaneously wraps the abrasion-proof paper on coil of strip and by winding roll 13 in drawn synchronization.
First dash adjustment portion 41 includes the first variator rollers 415 being connected with uncoiling portion 1 and is connected with the first variator rollers 415
The first clamp system, can find out from accompanying drawing 1, the first clamp system includes that first clamps entrance roller 4111 and first and clamp
Outlet roller 4112, first slack strand 412 is located at first and clamps between the clamping outlet roller 4112 of entrance roller 4111 and first, the
One clamps entrance roller 4111 passes through synchronizing wheel（It is not drawn in figure）Synchronous with the first variator rollers 415, first clamps outlet roller 4112
It is synchronous with fire door live-roller 22 by synchronizing wheel, the first detecting means, the first detecting means are also set up below the first clamp system
The first induction apparatuss 414 including the first storage tank 413 and in the first storage tank 413, when steel band is from the first clamp system
By when, the first clamp system will be divided into tension section and the first slack strand 412 the steel band in transmission, this first relax
Section 412 will be dropped in the first storage tank 413, and first sensor 414 can see that first sensor 414 can be arranged to up and down
Two photoelectric sensors that orientation staggers, and the first frequency conversion motor the first speed change of drive is controlled by the first sensor 414
The rotating speed of roller 415, so as to ensure that the first slack strand 412 is constantly in up and down between two photoelectric sensors of first sensor 414.
The fire door portion includes annealing furnace 21, fire door live-roller 22 and controls the fire door frequency conversion of the torque of fire door live-roller 22
Motor, in the front end of annealing furnace 21 fire door guide roller 23 is additionally provided with, and is provided with for detecting the section in the bottom of fire door guide roller 23
The fire door tension pick-up 231 of tension force, by the torque for changing fire door live-roller 22, thus it is possible to vary the steel band in fire door portion 2
Power, by fire door tension pick-up 231 real-time detection is realized, so as to be implemented in combination in fire door with control system and control method
The control and feedback regulation of the tension force of the steel band in portion 2.
Second dash adjustment portion 42 includes the second clamp system, can see that the second clamp system includes second from accompanying drawing 1
Clamp entrance roller 4211 and second and clamp outlet roller 4212, second slack strand 422 be located at second clamp entrance roller 4211 with
Second clamps between outlet roller 4212, and the second clamping entrance roller 4211 is synchronous with the constant speed roller 5 by synchronizing wheel, and second clamps
Outlet roller 4212 is synchronous with the second variator rollers 425 by synchronizing wheel, and the second detecting means are also set up below the second clamp system,
Second detecting means include the second storage tank 423 and the second induction apparatuss 424 in the second storage tank 423, when steel band is from the
When two clamp systems pass through, the second clamp system will be divided into tension section and the second slack strand 422 the steel band in transmission,
Second slack strand 422 will be dropped in the second storage tank 423, and be provided with second sensor in the second storage tank 423
424, it can be seen that second sensor 424 can be arranged to two photoelectric sensors that upper and lower dislocation is opened, and by this
Two sensor 424 controls the rotating speed that the second frequency conversion motor drives the second variator rollers 425, so as to ensure the second slack strand 422 always
In second sensor 424 up and down between two photoelectric sensors.
Winding portion 3 includes the winding frequency conversion motor of wind-up roll 31 and the control torque of wind-up roll 31, and in the part
Steel band is provided with winding guide roller 32, and in the bottom of winding guide roller 32 the winding tension sensing for detecting this section of steel band is provided with
Device 321, the winding portion 3 also includes the packing paper roller 33 for being encased inside abrasion-proof paper in wind-up roll 31, and the packing paper roller 33 is controlled
In packing paper frequency conversion motor；When its work, steel band is wound by wind-up roll 31, and simultaneously from packing paper roller 33 out
Abrasion-proof paper so that abrasion-proof paper can set with the volume at steel band interval, and the steel band placed between adjacent volume layer weares and teares.
Can be seen by Fig. 1, constant speed roller 5 is additionally provided between dash adjustment portion 42 of fire door portion 2 and second, constant speed roller 5
Rotating speed is controlled by constant speed frequency conversion motor.
The present embodiment also includes control system, including PLC, vector type converter, encoder, high speed encoder distribution mould
Block, Profibus fieldbus and control panel, described PLC is provided with Profibus communications main website address card, and Profibus is total
Gauze network is connected with the intelligent slave stations such as vector type converter, ET200M, and described OP control panels are connected to PLC and carry out people's machine information
Exchange, the converter of each above-mentioned motor is vector type converter, and the encoder is located at above-mentioned each motor
Afterbody, via high speed encoder distribute module, respectively incoming PLC high-speed pulses module carries out line length to each encoder line number
Calculate, coil diameter is calculated and converter PG sticks into scanning frequency degree, direct torque, be also equipped with advocating power sensing in the bottom of constant speed roller 5
Device, steel band actual tension is calculated for showing and assessing by cornerite of the steel band on constant speed roller 5, while filing is to operator control panel
On actual tension trendgram for production maintenance provides convenient diagnostic analysiss foundation, described PLC is pooled to data signal
CPU is uniformly processed, and reliably controls each section of equipment stable operation, and described PLC logic developments have reeling-unreeling constant tension force mould
Type functional device, described PLC logic developments have the soft filter function block for preventing peripheral hardware sign mutation.
Refer to the attached drawing 2 and the present embodiment of accompanying drawing 3 also include the control method of control said system, walk including tension force is set up
Play, stable winding step is played and terminated winding step and plays three phases；
Refer to the attached drawing 2 is played to set up tension force step,
S1. the first clamp system and the second clamp system are depressed, and afterwards signal are sent into into PLC in place；
S2. the first variator rollers 415, the second variator rollers 425 and the band-type brake of constant speed roller 5, pay-off roll 11, wind-up roll 31 and fire door are passed
Dynamic roller 22 is with torque control model startup；The band-type brake of the first variator rollers 415 and the second variator rollers 425 so that on steel band streamline
Tension force be divided into three sections, each section of steel band tension force is independent of each other, to control torque in the way of controlling each section of steel band
Tension force.
S3. the steel band in uncoiling portion 1, winding portion 3 and fire door portion 2 carries out tension adjustment and realizes constant tensile control；Here
The tension force in uncoiling portion 1 can be arranged to 80kg, the tension force of winding portion 3 is arranged to 100kg, and the tension force in fire door portion 2 is arranged to
800kg, by way of feedback regulation, uncoiling tension sensor 121, fire door tension pick-up 231, winding tension sensor
321 respectively by real-time detection to tension signal pass to PLC, PLC again by compared with the preset value of its inner setting again
Send a signal to uncoiling frequency conversion motor, winding frequency conversion motor and fire door frequency conversion motor and make corresponding torque adjustment.
When the first clamp system and the second clamp system in place signal send into PLC, the variator rollers 415 of constant speed roller 5 and first,
The band-type brake of the second variator rollers 425, pay-off roll 11, wind-up roll 31, fire door jockey pulley 22 are with torque control model startup, pay-off roll 11
Torque reference amount is the fixed value calculated by coil of strip tension force and initial coil diameter and speed ratio, and pay-off roll 11 is to be operated in relative winding
Opposite direction, so the torque reference of pay-off roll 11 be negative value give, fire door jockey pulley 22 also with torque control model startup, torque
Specified rate is to fix the fixed value that coil diameter and speed ratio are calculated, same fire door jockey pulley 22 by fire door tension force and fire door jockey pulley 22
It is also the opposite direction for being operated in relative winding, so the torque reference of fire door jockey pulley 22 is negative value give, while wind-up roll 31
With torque control model startup, torque reference amount is the fixed value for also calculating by coil of strip tension force and initial coil diameter and speed ratio, is received
Winding up roller 31 is to batch relative positive direction, so the torque reference of wind-up roll 31 is on the occasion of given.
Stable winding step in refer to the attached drawing 3 is played,
S4. the first variator rollers 415, the second variator rollers 425 and constant speed roller 5 unclamp band-type brake；
S5. the rotating speed of constant speed roller 5 moves closer to setting speed, the first variator rollers 415, the second variator rollers with 1m/s liftings
425 follow the synchronous raising speed of constant speed roller 5；In the way of single-point control entirety so that the speed of steel band streamline does overall change,
Prevent local from the situation appearance that transmission speed differs occur.
S6. when the steel band amount that the first slack strand 412 is detected in the first storage tank 413 is less than preset value, the first speed governing
Additional 3% speed is made the first speed governing roller accelerate steel band to send into the first storage tank 413 slightly, when the first storage tank 413 by roller
When the steel band amount for inside detecting the first slack strand 412 is more than preset value, the first speed governing roller will reduce by 3% speed, make the first speed governing
Roller speed slows down, it is to avoid steel band damages steel strip surface in the bottom friction of the first storage tank 413, if do not had in the first storage tank 413
When detecting the first 412 too high or too low signal of slack strand, the first speed governing roller speed will keep constant；
When the steel band amount that the second slack strand 422 is detected in the second storage tank 423 is more than preset value, the second speed governing roller will
Additional 3% speed, when the steel band amount that the second slack strand 422 is detected in the second storage tank 423 is less than preset value, second adjusts
Fast roller will reduce by 3% speed, lift the second speed governing roller speed, it is to avoid steel band damages steel in the bottom friction of the second storage tank 423
Belt surface, if be not detected by the second 422 too high or too low signal of slack strand in the second storage tank 423, the second speed governing roller
Speed will keep constant；
As constant speed roller is opened, system starts into coordinated operation, at this moment constant to meet uncoiling tension, and pay-off roll applies
Torque, should in time be adjusted according to uncoiling coil diameter, pay-off roll torque is directly proportional with coil of strip size, and uncoiling size progressively reduces, and opens
Winding up roller torque just progressively reduces.
The torque change of wind-up roll is required and pay-off roll is conversely, torque that wind-up roll apply constant to ensure winding tension
It is directly proportional with coil of strip size, winding size is incrementally increased, and wind-up roll torque is just progressively increased.
T=(F×D/2i)/Tmax×100%
Wherein：D represents coil diameter（Unit：m）, i represents transmission speed ratio, and F represents tension force（Unit：n.m）, T represents torque,
Tmax represents torque capacity
Production line will automatically carry out coil diameter calculating, constant tensile control, line length calculating under analyzing logic control, work as production line
On arbitrary tension force value when reaching high warning, system can automatically send warnings, when tension force value arrival superelevation failure,
The chain jerk of system, it is ensured that occur without steel bands stretching, broken belt, the problem of surface abrasion.
End winding step in refer to the attached drawing 3 is played,
S7. the coil diameter of the coil of strip in pay-off roll 11 is reduced to setting value, and constant speed roller 5 is started to reduce, slowed down with 1m/s, and first
Variator rollers 415, the second variator rollers 425 follow the synchronous deceleration of constant speed roller 5, detect the coil diameter of the coil of strip in pay-off roll 11 and include coil diameter
Computing formula：D2=i2*V/π*（ST1/16384）... 1., wherein D2 represents the coil diameter of the coil of strip in pay-off roll 11, and i2 is represented
Uncoiler transmission speed ratio, V represents the linear velocity of constant speed roller 5, and ST1 represents the rotary regimes value that uncoiler converter DP is communicated, and becomes
The maximum of frequency device communication state value ST1 is 16384；The linear velocity computing formula of constant speed roller 5 is：V=D1*π*（m/1024）/
2., wherein D1 represents the coil diameter of constant speed roller 5 to i1 ..., and i1 represents the transmission speed ratio of constant speed roller 5, and m represents that PLC high-speed pulse modules pass through
The umber of pulse per minute that the speed measuring coder of constant speed roller 5 is obtained, encoder line number is 1024；
S8. speed is reduced to after 2m/min and stops constant speed roller 5 and fire door jockey pulley, then stops the He of the first variator rollers 415
Second variator rollers 425, then stop pay-off roll 11 and wind-up roll 31.
PLC in above-mentioned can select Siemens（S7_300 series modules）, with Profibus communication functions
SINAMICS G120 vector frequency converters, encoder selects Siemens S21.001-2048.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned enforcement
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
Should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of steel band transmitting device, including the uncoiling portion, fire door portion and winding portion that set gradually, the uncoiling portion includes uncoiling
Roller and the uncoiling frequency conversion motor for controlling the pay-off roll torque, the winding portion includes wind-up roll and controls the receipts of the wind-up roll torque
Volume frequency conversion motor, the fire door portion includes annealing furnace, fire door live-roller and controls the fire door variable-frequency electric of the fire door live-roller torque
Machine, it is characterised in that the rear and front end in the fire door portion is provided with dash adjustment portion, the dash adjustment portion is included located at fire door portion
The first buffer part between uncoiling portion, the second buffer part between fire door portion and winding portion,
Steel band in transmission is divided into tension section and by the first buffer part, including the first clamp system, first clamp system
One slack strand, two ends of the tension section in the first clamp system, the first slack strand is in the first clamp system；
Steel band in transmission is divided into tension section and by the second buffer part, including the second clamp system, second clamp system
Two slack strands, two ends of the tension section in the second clamp system, the second slack strand is in the second clamp system；
The dash adjustment portion is also included located at the first variator rollers between the first clamp system and uncoiling portion and located at the second folder
Tight the second variator rollers between mechanism and winding portion, first variator rollers are controlled by the first frequency conversion motor, and the second variator rollers are received
Control in the second frequency conversion motor；
The dash adjustment portion also includes feedback section, and the feedback section includes the first detecting means below the first clamp system
With the second detecting means below the second clamp system,
First detecting means, including the first storage tank for the first slack strand of receiving, are provided with for examining in first storage tank
The first induction apparatuss of the steel band amount of the first slack strand are surveyed, when the first induction apparatuss detect the steel band amount of the first slack strand less than default
The acceleration of the first frequency conversion motor is controlled during value, is controlled when the steel band amount that the first induction apparatuss detect the first slack strand is more than preset value
First frequency conversion motor slows down；
Second detecting means, including the second storage tank for the second slack strand of receiving, are provided with for examining in second storage tank
The second induction apparatuss of the steel band amount of the second slack strand are surveyed, when the second induction apparatuss detect the steel band amount of the second slack strand less than default
The deceleration of the second frequency conversion motor is controlled during value, is controlled when the steel band amount that the second induction apparatuss detect the second slack strand is more than preset value
Second frequency conversion motor accelerates.
2. a kind of steel band transmitting device according to claim 1, it is characterised in that the uncoiling portion and the first variator rollers it
Between be provided with uncoiling tension sensor, fire door tension pick-up, the winding portion are provided between the fire door live-roller and annealing furnace
Winding tension sensor is provided between the second variator rollers.
3. a kind of steel band transmitting device according to claim 1 and 2, it is characterised in that described device is also included for controlling
The constant speed roller of steel strip transfer rate, first variator rollers and the second variator rollers follow the speed of the constant speed roller.
4. a kind of steel band transmitting device according to claim 3, it is characterised in that first clamp system includes first
Clamp entrance roller and first clamp outlet roller, first slack strand be located at first clamp entrance roller with first clamping outlet roller it
Between, the first clamping entrance roller is synchronous with the first variator rollers by synchronizing wheel, and first clamps outlet roller by synchronizing wheel and fire door biography
Dynamic roller synchronization, second clamp system includes that second clamps entrance roller and the second clamping outlet roller, the described second lax section
Entrance roller and second is clamped in second to clamp between outlet roller, the second clamping entrance roller is same with the constant speed roller by synchronizing wheel
Step, the second clamping outlet roller is synchronous with the second variator rollers by synchronizing wheel.
5. a kind of steel band transmitting device according to claim 4, it is characterised in that the uncoiling portion is also included for winding
The collecting roller of the abrasion-proof paper in steel coil strip is surrounded, the collecting roller is controlled by collection frequency conversion motor, and the winding portion also includes
For the packing paper roller being put into abrasion-proof paper in wind-up roll, the packing paper roller is controlled by packing paper frequency conversion motor.
6. a kind of control a kind of control system of steel band transmitting device as claimed in claim 4, it is characterised in that including PLC,
Encoder, high speed encoder distribute module and control panel, the encoder is located at the afterbody of above-mentioned each motor, each described
Via high speed encoder distribute module, respectively incoming PLC high-speed pulses module carries out line length calculating, coil diameter calculating to encoder line number
Scanning frequency degree, direct torque are sticked into converter PG.
7. the control method of a kind of control control system as claimed in claim 6, it is characterised in that including setting up tension force step
Play, stable winding step is played and terminated winding step and plays three phases；
Set up tension force step to play,
S1. the first clamp system and the second clamp system are depressed, and afterwards signal are sent into into PLC in place；
S2. the first variator rollers, the second variator rollers and constant speed roller band-type brake, pay-off roll, wind-up roll and fire door live-roller are with direct torque
Pattern starts；
S3. the steel band in uncoiling portion, winding portion and fire door portion carries out tension adjustment and realizes constant tensile control；
Stable winding step is played,
S4. the first variator rollers, the second variator rollers and constant speed roller unclamp band-type brake；
S5. the rotating speed of constant speed roller moves closer to setting speed with 1m/s liftings, and the first variator rollers, the second variator rollers follow constant speed
Roller synchronous raising speed；
S6. when the steel band amount that the first slack strand is detected in the first storage tank is less than preset value, the first speed governing roller will add 3%
Speed, make the first speed governing roller accelerate slightly steel band send into the first storage tank, when detect in the first storage tank first relax
When the steel band amount of section is more than preset value, the first speed governing roller will reduce by 3% speed, slow down the first speed governing roller speed, it is to avoid steel band
Steel strip surface is damaged in the first storage tank bottom friction, the first slack strand is too high or mistake if be not detected by the first storage tank
During low signal, the first speed governing roller speed will keep constant；
When the steel band amount that the second slack strand is detected in the second storage tank is more than preset value, the second speed governing roller will add 3% speed
Degree, when the steel band amount that the second slack strand is detected in the second storage tank is less than preset value, the second speed governing roller will reduce by 3% speed
Degree, lifts the second speed governing roller speed, it is to avoid steel band damages steel strip surface in the second storage tank bottom friction, if second is accommodating
When the too high or too low signal of the second slack strand is not detected by groove, the second speed governing roller speed will keep constant；
Terminate winding step to play,
S7. the coil diameter of the coil of strip in pay-off roll is reduced to setting value, and constant speed roller is started to reduce, slowed down with 1m/s, the first variator rollers,
Second variator rollers follow constant speed roller synchronously to slow down；
S8. speed is reduced to after 2m/min and stops constant speed roller and fire door jockey pulley, then stops the first variator rollers and the second speed change
Roller, then stops pay-off roll and wind-up roll.
8. control method according to claim 7, it is characterised in that the coil diameter of the coil of strip in pay-off roll is detected in the s7
Including coil diameter computing formula：D2=i2*V/π*（ST1/16384）... 1., wherein D2Represent the coil diameter of the coil of strip in pay-off roll, i2
Uncoiler transmission speed ratio is represented, V represents the linear velocity of constant speed roller, ST1The rotary regimes value of uncoiler converter DP communications is represented,
Inverter communication state value ST1Maximum be 16384；Constant speed roller linear velocity computing formula is：V=D1*π*（m/1024）/
i1... 2., wherein D1Represent constant speed roller coil diameter, i1Constant speed roller transmission speed ratio is represented, m represents PLC high-speed pulses module by fixed
The umber of pulse per minute that fast roller speed measuring coder is obtained, encoder line number is 1024.
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| CN201510626439.XA CN105253674B (en) | 2015-09-28 | 2015-09-28 | Steel belt transmission device, and system and method for controlling steel belt transmission device |
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| CN201510626439.XA CN105253674B (en) | 2015-09-28 | 2015-09-28 | Steel belt transmission device, and system and method for controlling steel belt transmission device |
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| CN105253674B true CN105253674B (en) | 2017-04-12 |
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| CN114380105B (en) * | 2022-01-12 | 2024-04-23 | 济南佰思特自动化技术有限公司 | System and method for vertically controlling steel belt based on PID algorithm |
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