CN105170651B - A kind of friction speed ratio can on-line continuous adjust strip in razor-thin combination forming milling train - Google Patents
A kind of friction speed ratio can on-line continuous adjust strip in razor-thin combination forming milling train Download PDFInfo
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- CN105170651B CN105170651B CN201510516327.9A CN201510516327A CN105170651B CN 105170651 B CN105170651 B CN 105170651B CN 201510516327 A CN201510516327 A CN 201510516327A CN 105170651 B CN105170651 B CN 105170651B
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Abstract
A kind of friction speed ratio can on-line continuous adjust strip in razor-thin combination forming milling train, including milling train main control part and milling train mechanical part, mill control system man machine interface is provided with main control computer, it is provided with man machine interface, the speed setting of bottom working roll and different speed-ratio regulation step size settings input and output domain, main control computer is connected with operating board by PLC, the positive activate switch of rolling is respectively arranged with operating board, rolling reverse starting switch and different speed-ratio regulation are switched, friction speed can be made than online increase by different speed-ratio regulation switch or reduce a different speed-ratio regulation step-length.When carrying out strip in razor-thin asymmetrical rolling by the present invention, friction speed ratio stepless can be arranged, can be arbitrary value in theory, because the minimum rolled thickness that asymmetrical rolling can break through symmetric rolling is limited, roll thin ability higher, therefore the range of choice of work roll diameter of the present invention can be relaxed, and then can effectively reduce the generation of roll phenomenon of torsional vibration, improve the surface quality of strip in razor-thin.
Description
Technical field
The invention belongs to strip in razor-thin rolling technical field, more particularly to a kind of friction speed ratio can on-line continuous adjust it is very thin
Band combination forming milling train.
Background technology
In recent years, micro-fabrication technology and microsecond delay technology fast development, metal, alloy and metal-base composites it is very thin
Band demand is increasing, and these strip in razor-thin are widely used in microelectronic industry, micro manufacturing industry, instrument and meter industry and microcomputer
Electric industry etc..
Passing through rolling the strip in razor-thin of metal, alloy and metal-base composites, the milling train for being used mostly is multiple roll more
Synchronous rolling mill, and multiple roll synchronous rolling mill structure is relative complex, its purchase, operation and maintenance cost are all higher, and multiple roll synchronously rolls
Machine work roll diameter is little, and production efficiency is low, roll phenomenon of torsional vibration easily occurs, lacks so as to cause very thin belt surface chatter mark occur
Fall into, and affect product quality.
When strip in razor-thin is produced using gear drive asymmetrical rolling machine, as friction speed ratio is next by the gear ratio of travelling gear
Control, make different speed-ratio regulation underaction, and the on-line control of friction speed ratio can not be realized, easily broken band when starting and shutting down,
Usually occur because friction speed is than setting improper and caused flatness defect.In conventional asynchronous rolling, thereon, the roller of bottom working roll speed
Can not realize that online alternately, the upper and lower surface of rolled piece extends different stress that are different and bearing, will also result in rolled piece one direction volume
Song, so as to cause flatness defect.And the asynchronous rolling machine of both sides driven separately adopts universal-joint spindle because of which, its drive line is longer, just
Degree is poor, is also easier to roll phenomenon of torsional vibration occur, and affects product quality.
The content of the invention
For the problem that prior art is present, the present invention provides a kind of friction speed ratio can the strip in razor-thin combination that adjusts of on-line continuous
Forming rolls, can realize that the on-line continuous of friction speed ratio are adjusted, and realize the online alternating of upper and lower working roll roller speed, effectively reduce
Roll phenomenon of torsional vibration.
To achieve these goals, the present invention is adopted the following technical scheme that:A kind of friction speed ratio can on-line continuous adjust pole
Strip combination forming milling train, including milling train main control part and milling train mechanical part, the milling train main control part include that master control is calculated
Machine, operating board and PLC, the milling train mechanical part include base, the first main driving motor, the second main driving motor, upper work
Roller, bottom working roll, upper backup roll, lower backing roll, screwdown gear, memorial archway, the first tension motor and the second tension motor;
Mill control system man machine interface is provided with the main control computer, be provided with man machine interface top working roll and
The speed setting input and output domain of bottom working roll and different speed-ratio regulation step size settings input and output domain;The main control computer passes through
PLC is connected with operating board, and the positive activate switch of rolling, rolling reverse starting switch and friction speed are respectively arranged with operating board
Than adjusting switch, friction speed is carried out than online increase by different speed-ratio regulation switch or reduces a different speed-ratio regulation step-length;
First main driving motor, the second main driving motor and memorial archway are arranged on base, the first main transmission electricity
The power output shaft of machine is connected with top working roll one end by the first yielding coupling, the power of second main driving motor
Output shaft is connected with bottom working roll one end by the second yielding coupling;
Roller system is made up of the top working roll, bottom working roll, upper backup roll and lower backing roll, the upper backup roll is located at upper
Working roll top, both contacts roll and coordinate;The lower backing roll is located at bottom working roll bottom, and both contacts are rolled and coordinated;Institute
State top working roll to be slidably connected by top working roll bearing block and memorial archway, bottom working roll is slided with memorial archway by bottom working roll bearing block
Dynamic connection;The upper backup roll is fixed in memorial archway window by upper backup roll bearing block, and the lower backing roll is by lower support
Roll bearing seat is fixed on memorial archway bottom;Equilibrium bomb is installed between the top working roll bearing block and bottom working roll bearing block
Spring;
First tension motor and the second tension motor are distributed in upper and lower working roll both sides, first tension motor
Power output shaft be connected with the first reel, the power output shaft of second tension motor is connected with the second reel, rolled piece one
End is connected on the first reel, and the rolled piece other end is connected on the second reel through roll gap top working roll and bottom working roll,
The first jockey pulley is provided between upper and lower working roll and the first reel, is provided between upper and lower working roll and the second reel
Second jockey pulley;
The first main driving motor control end, the second main driving motor control end, the first tension motor control end and
Two tension motor control ends are connected with main control computer.
Pressure transducer, the letter of the pressure transducer are provided between the upper backup roll bearing block and screwdown gear
Number outfan is connected with main control computer by PLC, carries out the on-line checking of roll-force by pressure transducer.
Increment volume is mounted on the motor rear end armature spindle of first main driving motor and the second main driving motor
Code device, the signal output part of the incremental encoder are connected with main control computer by PLC, carry out roll by incremental encoder
The on-line checking of speed.
Beneficial effects of the present invention:
When carrying out strip in razor-thin asymmetrical rolling by the present invention, friction speed ratio stepless can be arranged, and can be arbitrary value in theory, because different
Step rolling can break through the minimum rolled thickness of symmetric rolling and limit, and roll that thin ability is higher, therefore the choosing of work roll diameter of the present invention
Select scope to relax, and then the generation of roll phenomenon of torsional vibration can be effectively reduced, improve the surface quality of strip in razor-thin.
The present invention adopts belt tension asymmetrical rolling, rolled piece bear compression-shearing-stretching complex composition shaping effect, and have
Beneficial to passage Reducing thickness is increased, rolling efficiency can be effectively improved.
Two main driving motors of the present invention are directly connected with upper and lower working roll by yielding coupling respectively, are had
There is higher transmission stiffness, the generation of roll phenomenon of torsional vibration can be effectively reduced, and improve the surface quality of strip in razor-thin.
The present invention possesses the on-line control ability of friction speed ratio, and range of accommodation is big, can be arbitrary value in theory, Jin Erke
The means of On-line Control plate shape and reduction ratio in the abundant strip in razor-thin operation of rolling, and can effectively expand the scope that can roll raw material.
The present invention can realize the synchronous averaging of upper and lower working roll in the operation of rolling, shut down and asymmetrical rolling, can be effective
Prevent the generation of belt phenomenon.
Description of the drawings
Fig. 1 be the present invention a kind of friction speed ratio can on-line continuous adjust strip in razor-thin combination forming rolling mill structure schematic diagram;
Fig. 2 is milling train mechanical part structural representation;
Top views of the Fig. 3 for Fig. 2;
Roll system structure schematic diagrams of the Fig. 4 for milling train mechanical part;
Control principle drawings of the Fig. 5 for milling train main control part;
In figure, 1-milling train mechanical part, 2-main control computer, 3-operating board, 4-PLC, 5-base, the 6-the first master
Driving motor, the 7-the first yielding coupling, 8-memorial archway, 9-screwdown gear, the 10-the second yielding coupling, the 11-the second master
Driving motor, the 12-the first tension motor, the 13-the first jockey pulley, 14-rolled piece, the 15-the second jockey pulley, the 16-the second tension force
Motor, 17-pressure transducer, 18-upper backup roll bearing block, 19-top working roll bearing block, 20-bottom working roll bearing block,
21-lower backing roll bearing block, 22-upper backup roll, 23-top working roll, 24-balancing spring, 25-bottom working roll, 26-under
Support roller, the 27-the first reel, the 28-the second reel.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Fig. 1~5, a kind of friction speed ratio can the strip in razor-thin combination forming milling train that adjusts of on-line continuous, including rolling mill main
Control part and milling train mechanical part 1, the milling train main control part include main control computer 2, operating board 3 and PLC4, the milling train
Mechanical part 1 include base 5, the first main driving motor 6, the second main driving motor 11, top working roll 23, bottom working roll 25, on
Support roller 22, lower backing roll 26, screwdown gear 9, memorial archway 8, the first tension motor 12 and the second tension motor 16;
Mill control system man machine interface is provided with the main control computer 2, top working roll is provided with man machine interface
23 and the speed setting input and output domain and different speed-ratio regulation step size settings input and output domain of bottom working roll 25;The master control is calculated
Machine 2 is connected with operating board 3 by PLC4, and the positive activate switch of rolling, rolling reverse starting are respectively arranged with operating board 3
Switch and different speed-ratio regulation switch, carry out friction speed than online increase by different speed-ratio regulation switch or reduce a different speed-ratio regulation
Step-length;
First main driving motor 6, the second main driving motor 11 and memorial archway 8 are arranged on base 5, the first main biography
The power output shaft of galvanic electricity machine 6 is connected with 23 one end of top working roll by the first yielding coupling 7, the second main transmission electricity
The power output shaft of machine 11 is connected with 25 one end of bottom working roll by the second yielding coupling 10;
Roller system, the upper support are made up of the top working roll 23, bottom working roll 25, upper backup roll 22 and lower backing roll 26
Roller 22 is located at 23 top of top working roll, and both contacts are rolled and coordinated;The lower backing roll 26 is located at 25 bottom of bottom working roll, both
Contact is rolled and is coordinated;The top working roll 23 is slidably connected with memorial archway 8 by top working roll bearing block 19, and bottom working roll 25 passes through
Bottom working roll bearing block 20 is slidably connected with memorial archway 8;The upper backup roll 22 is fixed on memorial archway 8 by upper backup roll bearing block 18
In window, the lower backing roll 26 is fixed on 8 bottom of memorial archway by lower backing roll bearing block 21;In the top working roll bearing block
Balancing spring 24 is installed between 19 and bottom working roll bearing block 20;
First tension motor 12 and the second tension motor 16 are distributed in upper and lower working roll both sides, first tension force
The power output shaft of motor 12 is connected with the first reel 27, and the power output shaft of second tension motor 16 is connected with volume Two
Cylinder 28,14 one end of rolled piece is connected on the first reel 27, and 14 other end of rolled piece is through top working roll 23 and bottom working roll 25
Roll gap is connected on the second reel 28, and the first jockey pulley 13 is provided between upper and lower working roll and the first reel 27, it is upper,
The second jockey pulley 15 is provided between bottom working roll and the second reel 28;
First main driving motor, 6 control end, 11 control end of the second main driving motor, 12 control end of the first tension motor
And 16 control end of the second tension motor is connected with main control computer 2.
Pressure transducer 17, the pressure sensing are provided between the upper backup roll bearing block 18 and screwdown gear 9
The signal output part of device 17 is connected with main control computer 2 by PLC4, and pressure transducer 17 is used for the online inspection for realizing roll-force
Survey.
Increment is mounted on the motor rear end armature spindle of first main driving motor 6 and the second main driving motor 11
Encoder, the signal output part of the incremental encoder are connected with main control computer 2 by PLC4, and incremental encoder is used to realize
The on-line checking of the speed of rolls.
The first use process of the present invention is illustrated below in conjunction with the accompanying drawings:
In the present embodiment, rolled piece 14 is copper belt, and the original depth of rolled piece 14 is 500 μm, and width is 80mm, top working roll
23rd, a diameter of 50mm of bottom working roll 25, length is 130mm, upper backup roll 22, a diameter of 120mm of lower backing roll 26, length
For 120mm, the target thickness of rolled piece 14 is 1 μm, and the first main driving motor 6 and the second main driving motor 11 are using servo electricity
Machine, the first tension motor 12 and the second tension motor 16 adopt torque motor.
Asymmetrical rolling is carried out to copper belt by the strip in razor-thin combination forming milling train of the present invention, the operation of rolling is in tension
Under carry out, and through the red copper strip in razor-thin that the reciprocal rolling thickness of multi-pass is 1 μm, during rolling, calculated by master control
The speed of man machine interface setting top working roll 23 and bottom working roll 25 on machine 2, concrete speed is set as 30mm/s, while passing through
The different speed-ratio regulation step-length of man machine interface setting top working roll 23 and bottom working roll 25 on main control computer 2, concrete friction speed ratio
It is 0.01 to adjust step size settings.The input voltage value of increase tension motor, the tensile stress in front and back for making copper belt is 35MPa.With reference to
The roll-force reading measured by pressure transducer 17 in man machine interface, is applied 180KN to copper belt by screwdown gear 9 and is rolled
Power processed.Synchronous averaging the first main driving motor 6 and the second main driving motor 11, after process stabilization to be rolled, by operating board 3
Different speed-ratio regulation switch increase top working roll 23 speed to 36mm/s, make friction speed ratio reach 1.2, start asymmetrical rolling.
Before the operation of rolling terminates soon, then the speed of top working roll 23 is reduced to 30mm/s by the different speed-ratio regulation switch on operating board 3,
Make top working roll 23 equal with the speed of bottom working roll 25, then will be the first main driving motor 6 and the second main driving motor 11 same
Step is shut down.And so on roll, until the thickness of copper belt is thinned to 1 μm.
Scheme in embodiment being not used to limits the scope of patent protection of the present invention, it is all without departing from carried out by the present invention etc.
Effect is implemented or is changed, and is both contained in the scope of the claims of this case.
Claims (3)
1. a kind of friction speed ratio can on-line continuous adjust strip in razor-thin combination forming milling train, it is characterised in that:Including milling train main control part
Divide and milling train mechanical part, the milling train main control part includes main control computer, operating board and PLC, the milling train mechanical part
Including base, the first main driving motor, the second main driving motor, top working roll, bottom working roll, upper backup roll, lower backing roll, pressure
Lower device, memorial archway, the first tension motor and the second tension motor;
Mill control system man machine interface is provided with the main control computer, top working roll and lower work are provided with man machine interface
Make the speed setting input and output domain and different speed-ratio regulation step size settings input and output domain of roller;The main control computer passes through PLC
It is connected with operating board, the positive activate switch of rolling, rolling reverse starting switch and friction speed ratio is respectively arranged with operating board
Switch is adjusted, friction speed is carried out than online increase by different speed-ratio regulation switch or is reduced a different speed-ratio regulation step-length;
First main driving motor, the second main driving motor and memorial archway are arranged on base, first main driving motor
Power output shaft is connected with top working roll one end by the first yielding coupling, the power output of second main driving motor
Axle is connected with bottom working roll one end by the second yielding coupling;
Roller system is made up of the top working roll, bottom working roll, upper backup roll and lower backing roll, the upper backup roll is located at upper work
Roller top, both contacts roll and coordinate;The lower backing roll is located at bottom working roll bottom, and both contacts are rolled and coordinated;On described
Working roll is slidably connected by top working roll bearing block and memorial archway, and bottom working roll is slided with memorial archway by bottom working roll bearing block and connected
Connect;The upper backup roll is fixed in memorial archway window by upper backup roll bearing block, and the lower backing roll passes through lower backing roll axle
Bearing is fixed on memorial archway bottom;Balancing spring is installed between the top working roll bearing block and bottom working roll bearing block;
First tension motor and the second tension motor are distributed in upper and lower working roll both sides, first tension motor it is dynamic
Power output shaft is connected with the first reel, and the power output shaft of second tension motor is connected with the second reel, and rolled piece one end connects
Be connected on the first reel, the rolled piece other end is connected on the second reel through roll gap top working roll and bottom working roll, it is upper,
The first jockey pulley is provided between bottom working roll and the first reel, second is provided between upper and lower working roll and the second reel
Jockey pulley;
The first main driving motor control end, the second main driving motor control end, the first tension motor control end and second
Force motor control end is connected with main control computer.
2. a kind of friction speed ratio according to claim 1 can on-line continuous adjust strip in razor-thin combination forming milling train, its feature
It is:Pressure transducer, the signal of the pressure transducer are provided between the upper backup roll bearing block and screwdown gear
Outfan is connected with main control computer by PLC, carries out the on-line checking of roll-force by pressure transducer.
3. a kind of friction speed ratio according to claim 1 can on-line continuous adjust strip in razor-thin combination forming milling train, its feature
It is:Incremental encoding is mounted on the motor rear end armature spindle of first main driving motor and the second main driving motor
Device, the signal output part of the incremental encoder are connected with main control computer by PLC, carry out roll speed by incremental encoder
The on-line checking of degree.
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CN105772508B (en) * | 2015-12-27 | 2017-12-19 | 佛山市领卓科技有限公司 | A kind of method of copper foil deep processing |
CN106391700B (en) * | 2016-08-31 | 2018-02-09 | 燕山大学 | A kind of lower drive-type Y types four-roller strip-mill strip |
CN106734271A (en) * | 2016-12-28 | 2017-05-31 | 福建省泉州市第七中学 | A kind of cold press for the processing of soft metal filament |
CN106583452B (en) * | 2017-01-05 | 2018-05-15 | 东北大学 | A kind of optional metal polar thin hoop mill of the kind of drive and its milling method |
CN113477707A (en) * | 2021-07-15 | 2021-10-08 | 太原理工大学 | Asynchronous micro-flexible rolling method for laminated metal composite thin strip |
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