CN107617650A - A kind of decoiling equipment - Google Patents
A kind of decoiling equipment Download PDFInfo
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- CN107617650A CN107617650A CN201710842017.5A CN201710842017A CN107617650A CN 107617650 A CN107617650 A CN 107617650A CN 201710842017 A CN201710842017 A CN 201710842017A CN 107617650 A CN107617650 A CN 107617650A
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- brake
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- uncoiling
- reel
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Abstract
The invention provides a kind of decoiling equipment, including：Reel；Uncoiling diameter detection probe；The current regulator being connected with uncoiling diameter detection probe；The brake being connected with current regulator, brake are connected with reel.Compared with prior art, decoiling equipment provided by the invention passes through uncoiling diameter detection probe real-time judgment coil diameter size, change the electric current of brake according to coil diameter size, the braking moment of brake is determined according to the inherent characteristic of brake and electric current, so as to realize the purpose for keeping constant tension needed for uncoiling process.
Description
Technical field
The present invention relates to uncoiling technical field, more particularly to a kind of decoiling equipment.
Background technology
Uncoiler is the special equipment of sheet metal smoothing, can be according to relevant configuration for smoothing line steel plate, uneven whole plate
Form uncoiling, smoothing, cutting production line and other board product production lines.Uncoiler is applied to machinery, vehicle, metallic article man
The industries such as electrical appliance, steel structure, decoration.
Uncoiler body is welding box structure, and frequency control motor is uncoiling by gearbox speed reduction rear-guard movable reel axle
Machine provides active force.The reel of uncoiler is a hollow shaft, by two bearings on gear housing, is pacified between bearing
Equipped with transmission spur gear.Gear-box is lubricated by the way of forced feed lubrication, and is furnished with for the oil lubrication system of closed loop
Two constant speed motors.Mandrel is a cantilever design, and in uncoiling, its front end is supported by outer support bearing, to keep uncoiler
Rigidity and stability.
The uncoiler that prior art provides is unable to maintain that the passive tension needed for uncoiling is constant in uncoiling process, so as to make
It is poor into uncoiling effect.
The content of the invention
In view of this, it is an object of the invention to provide a kind of decoiling equipment, decoiling equipment provided by the invention can be
Keep required passive tension constant in uncoiling process, so as to reach preferable uncoiling effect.
The invention provides a kind of decoiling equipment, including：
Reel；
Uncoiling diameter detection probe；
Current regulator；
Brake.
In the present invention, the reel is used to install material volume to be opened, and material to be opened is wound off volume by drum rotation.
The present invention does not have special limitation to the material of the material volume to be opened, and those skilled in the art can be according to actual conditions in reel
The material volume of uncoiling needed for upper installation.In the present invention, the material volume to be opened is preferably sheet metal volume.
The present invention does not have special limitation to the coil diameter of the material volume to be opened, and those skilled in the art can be according to actual feelings
Condition selects the material volume of suitable coil diameter to carry out uncoiling.
The present invention does not have special limitation to the reel, is with reel using uncoiler well known to those skilled in the art
Can.In the present invention, the reel is preferably a hollow shaft.
In the present invention, the reel is connected with brake, preferably fixes reel and brake.The present invention is to described turn
The mode that cylinder connects with brake does not have special limitation, and those skilled in the art can ensure brake production according to actual conditions
Raw braking moment can be transmitted to making drum rotation on rotating cylinder.
In the present invention, the uncoiling diameter detection probe is used for the coil diameter data for detecting material volume to be opened, and the present invention is right
The uncoiling diameter detection probe does not have special limitation, using it is well known to those skilled in the art can the probe of testing length be
Can.In the present invention, the uncoiling diameter detection probe is preferably range finding probe.
The present invention does not have special limitation to the set location of the uncoiling diameter detection probe, and those skilled in the art can
Uncoiling diameter detection probe is placed on at reel appropriate relative position, enabling uncoiling diameter detection probe according to actual conditions
The coil diameter data of material volume to be opened on enough accurately test reels.In the present invention, the uncoiling diameter detection probe is excellent
Choosing is arranged on the side-lower of reel.
In the present invention, uncoiling diameter detection probe connects with current regulator, and the present invention detects to the uncoiling diameter
The mode connected with current regulator of popping one's head in does not have special limitation, ensures that uncoiling diameter detection probe can will test what is obtained
The coil diameter data transfer of material to be opened volume is to current regulator.The present invention adjusts to the uncoiling diameter detection probe and electric current
Data transfer mode between section device does not have special limitation, using data transmission and processing side well known to those skilled in the art
Formula, ensure that current regulator can receive the coil diameter data of uncoiling diameter detection probe transmission.
In the present invention, because material to be opened volume is gradually opened in uncoiling process, make the diameter of material volume to be opened gradual
Reduce, that is to say, that material volume coil diameter in uncoiling process to be opened is real-time change, it is therefore desirable to uncoiling diameter detection probe
The coil diameter for treating out material volume is detected in real time, and by the obtained coil diameter real-time data transmission of detection to current regulator.
In the present invention, the time interval of uncoiling diameter detection probe real-time Transmission coil diameter data is preferably 70~90ms, and more preferably 75
~85ms, most preferably 80ms.
In the present invention, the current regulator is connected with brake, and the present invention is to the current regulator and brake
Connected mode there is no special limitation, ensure that current regulator makes brake be worked under the current status of setting, realize system
The export by constant moment of dynamic device.In the present invention, the current regulator is preferably DC current regulator.
In the present invention, current regulator receives the laggard line number of real-time coil diameter data of uncoiling diameter detection probe conveying
According to calculating, make the real-time current needed for current regulator output.
In the present invention, the real-time current of current regulator output is transported to brake, and brake obtains real-time current
After produce real-time braking moment, braking moment is transmitted to spool turns are made on reel, so that treating in real time caused by brake
Open material volume and carry out uncoiling.
Decoiling equipment provided by the invention can realize that the principle for the passive identical tension for keeping required in uncoiling process is：
Inventor has found that, in Electric Traction field, Synchronization Control and tension force are extremely important by substantial amounts of research
Controlling unit.Tension force is detected tension force by tension sensor, carries out tension force by tension controller or PLC in real time
PID arithmetic, tension force is set to realize the constant of tension force by adjusting speed difference.
In the present invention, the braking moment of brake to its needed for electric current it is directly proportional, i.e.,：
Mx=KIx Formulas I；
In Formulas I, Mx is the real-time braking moment needed for reel, N.m in uncoiling process；
K is the performance parameters of brake；
Ix is the required real-time current exported of current regulator, A in uncoiling process.
In the present invention, uncoiling tension and braking moment and the relation such as Formula II of uncoiling process coil diameter, obtain and keep in advance
Identical tension will Dx and Mx change on year-on-year basis, i.e.,：
F=2Mx/Dx Formula II；
In Formula II, F be uncoiling process in required for tension force, N；
Dx be uncoiling process in real-time coil diameter, m；
Real-time braking moments of the Mx needed for uncoiling process reel, N.m.
Inventor draws：
In the present invention, realize that the condition that constant tension is kept in uncoiling process is：
Ix=ADx formula IIIs；
In formula III, A is the dependent constant between the real-time current that the tension force needed for obtains and real-time coil diameter；
Ix is the required real-time current exported of current regulator, A in uncoiling process；
Dx be uncoiling process in real-time coil diameter, m.
Formula II is analyzed, because coil diameter gradually changes in uncoiling process, if brake keeps output constant
Constant formulation torque, then uncoiling tension is also change due to the change of coil diameter, it is impossible to is always maintained at constant；If open
Volume tension force keep it is constant, it is necessary to brake output braking moment change with the change of coil diameter so that braking moment with
The ratio of coil diameter is always maintained at constant so as to maintaining the constant of uncoiling tension.The electricity obtained according to Formulas I, braking moment with brake
Positive correlation is flowed, just needs to be delivered to the electric current real-time change of brake if necessary to braking moment real-time change, and braking moment
Real-time change depend on the real-time change of coil diameter, and then the real-time change for obtaining being delivered to the electric current of brake substantially also takes
Certainly in the real-time change of coil diameter, i.e. formula III.
Therefore, it is the real-time change according to coil diameter in uncoiling process that the present invention, which keeps the key of constant tension in uncoiling process,
Change, adjust the size for the real-time current that brake obtains in real time, so that brake conveys different braking moments in real time, make reality
When braking moment and the ratio of real-time coil diameter keep constant, you can realize needed for uncoiling process that tension force keeps constant.
In the present invention, the process that above-mentioned current regulator calculates the real-time current of required output is to obtain in formula III
Constant A process.In the present invention, above-mentioned principles and actual conditions of the constant A in formula III in the present invention can obtain
Different numerical value.Specifically acquisition process is：
Identical tension F required in uncoiling process default first, according to needed for being obtained identical tension F and initial coil diameter
The braking moment Mx that brake provides, due to the braking moment Mx of brake and the electric current Ix positive correlations needed for it, according to every
The performance parameter of brake, its performance parameters K is known, you can the electric current Ix of braking moment needed for acquisition.In uncoiling process
In, coil diameter changes, according to the obtained coil diameter data Dx of test and default identical tension F, you can obtains required real-time
Braking moment Mx, according to real-time braking moment Mx i.e. can obtain real-time current Ix, by calculate can obtain real-time coil diameter Dx with
Corresponding relation between real-time current Ix, you can determine constant A.
In the present invention, the brake is preferably magnetic powder brake, eddy-current brake or liquid braking device, is more preferably
Magnetic powder brake.
In the present invention, had the following advantages that using magnetic powder brake：
1) movement response is fast, and state control is rapid；
2) simple in construction, small volume is easy for installation；
3) it is easy to remote operation, is easily incorporated into electric control system；
4) braking power is small, service life length.
In the present invention, it is caused when the magnetic powder brake is mainly magnetized using magnetic to shear to brake, magnetic chain
Shearing resistance is directly proportional to magnetic magnetization degree, i.e. the size of braking moment and the size of exciting curent is directly proportional.
In the present invention, it is preferred to the electric current that current regulator exports, which is delivered in brake, by electric wire produces brake
Raw corresponding braking moment.
In the present invention, the decoiling equipment preferably also includes first class reducer and shaft joint, the braking of brake output
Torque is transported on reel by the transmission of shaft joint and first class reducer.
In the present invention, the shaft joint is connected with brake, and first class reducer is connected with shaft joint, and reel subtracts with one-level
Fast machine connection.The present invention to the connected mode of the connected mode of the shaft joint and brake, first class reducer and shaft joint with
And the connected mode of reel and first class reducer does not have special limitation, ensure that braking moment caused by brake can pass through company
Axle device is driven on reel with first class reducer, makes spool turns.
Decoiling equipment provided by the invention adjusts brake electric current by detecting the coil diameter data in uncoiling process in real time
Size, the braking moment of control brake, so as to ensure the constant of tension force needed for uncoiling process.In the present invention, maintain out
Lick journey size of current with uncoiling process coil diameter size grade ratio to change, detection uncoiling process coil diameter data-signal is fed back into control
The DC current regulator of brake.In the present invention, current regulator is used to control braking moment, and this braking moment is passed through
Brake is delivered on unwinding shaft, reaches the purpose for maintaining uncoiling tension.
Compared with prior art, decoiling equipment provided by the invention is big by uncoiling diameter detection probe real-time judgment coil diameter
It is small, change the electric current of brake according to coil diameter size, the braking for determining brake according to the inherent characteristic of brake and electric current turns
Square, so as to realize the purpose for keeping constant tension needed for uncoiling process.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the structural representation of decoiling equipment provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Embodiment
The structural representation of decoiling equipment provided in an embodiment of the present invention as shown in figure 1, including：
Reel 1, the reel are used to install material volume to be opened, and the reel, which can rotate, makes material to be opened wind off volume；
The first class reducer 2 being connected with reel, braking moment can be delivered on reel by the first class reducer makes volume
Cylinder rotates；
Braking moment can be transferred to first class reducer by the shaft joint 3 being connected with first class reducer 2, the shaft joint
On；
The magnetic powder brake 4 being connected with shaft joint 3, magnetic powder brake can export braking according to the exciting curent received
Torque, and braking moment is delivered on shaft joint；
The DC current regulator 5 being connected with magnetic powder brake 4 by electric wire 6, the DC current regulator can lead to
Cross electric wire exciting curent is delivered in magnetic powder brake, control magnetic powder brake produces braking moment；
The range finding probe 7 (annexation is omitted and is not drawn into figure) being connected with DC current regulator 5, the range finding probe
For measuring coil diameter data in uncoiling process in real time, the coil diameter data that test obtains are delivered to DC current regulator, direct current
The real-time coil diameter data that current regulator transmits according to range finding probe are calculated, and export required real-time exciting curent to magnetic
Brake, make the real-time braking moment of magnetic powder brake generation and being transferred on reel makes material to be opened wind off volume.
Use decoiling equipment provided in an embodiment of the present invention carry out the detailed process of sheet metal uncoiling for：
The sheet metal for treating uncoiling is placed on reel；
Set the tension force F needed for uncoiling process；
Open range finding probe, DC current regulator, magnetic powder brake, shaft joint and first class reducer；
The coil diameter data detected are delivered to DC current regulator by range finding probe, and DC current regulator is needed for
Tension force F and coil diameter data required braking moment Mx is calculated, magnetic system is calculated according to required braking moment Mx
Exciting curent Ix needed for dynamic device；Required exciting curent Ix is delivered to magnetic powders brake by DC current regulator by electric wire
Device, magnetic powder brake produce braking moment Mx and are transferred to shaft joint, and braking moment is transferred to primary speed-down by shaft joint
Braking moment is transferred on reel by machine, first class reducer, makes spool turns so that sheet metal uncoiling；
Coil diameter changes after sheet metal uncoiling, and range finding probe is by the new coil diameter data transfer detected to direct current
Throttle regulator, DC current regulator repeat said process and calculate the exciting curent of new required output and be transported to magnetic
Powder brake, magnetic powder brake produce new braking moment and are transferred to by shaft joint and first class reducer on reel, make reel
Rotate the further uncoiling of sheet metal；
Repeat said process until sheet metal uncoiling is completed, because range finding probe will in sheet metal uncoiling process
Coil diameter real-time data transmission to DC current regulator, DC current regulator adjusts the exciting curent of output, magnetic system in real time
Dynamic device produces real-time braking moment according to the exciting curent of real-time reception, so as to ensure change of the braking moment with coil diameter
Change and change, the ratio of itself and coil diameter is remained that default tension value F is constant, so that the tension force in uncoiling process is kept
It is constant, there is preferable uncoiling effect.
As seen from the above embodiment, the invention provides a kind of decoiling equipment, including：Reel；Uncoiling diameter detection probe；
The current regulator being connected with uncoiling diameter detection probe；The brake being connected with current regulator, brake are connected with reel.
Compared with prior art, decoiling equipment provided by the invention is by uncoiling diameter detection probe real-time judgment coil diameter size, according to
Coil diameter size changes the electric current of brake, and the braking moment of brake is determined according to the inherent characteristic of brake and electric current, so as to
Realize the purpose for keeping constant tension needed for uncoiling process.
Claims (10)
1. a kind of decoiling equipment, including：
Reel, the reel make the material to be opened on reel wind off volume by rotating；
Uncoiling diameter detection probe, the uncoiling diameter detector are used to detect the coil diameter number of material volume to be opened on reel in real time
According to；
The current regulator being connected with uncoiling diameter detection probe, uncoiling diameter detector will detect obtained coil diameter data in real time
Transmit the real-time current exported to current regulator, current regulator according to needed for calculating real-time coil diameter data；
Real-time current is delivered to brake by the brake being connected with current regulator, current regulator, and brake receiver is in fact
When electric current produce real-time braking moment, and real-time braking moment be transferred on reel make spool turns；
Brake is connected with reel.
2. decoiling equipment according to claim 1, it is characterised in that the reel is hollow shaft.
3. decoiling equipment according to claim 1, it is characterised in that the uncoiling diameter detection probe is range finding probe.
4. decoiling equipment according to claim 1, it is characterised in that the current regulator is DC current regulator.
5. decoiling equipment according to claim 1, it is characterised in that the brake is magnetic powder brake, eddy-current brake
Device or liquid braking device.
6. decoiling equipment according to claim 5, it is characterised in that the brake is magnetic powder brake.
7. decoiling equipment according to claim 1, it is characterised in that also include：Shaft joint, the shaft joint connection braking
Device and reel, braking moment caused by brake is transferred on reel, makes spool turns.
8. decoiling equipment according to claim 1, it is characterised in that also include：First class reducer, the first class reducer
Shaft joint and reel are connected, the braking moment that shaft joint obtains is transferred on reel, makes spool turns.
9. decoiling equipment according to claim 1, it is characterised in that the current regulator is connected with brake by electric wire
Connect.
10. decoiling equipment according to claim 1, it is characterised in that current regulator is according to needed for calculating coil diameter data
The method of the real-time current of output is：
Tension force needed for default uncoiling process is F,
Required real-time braking moment Mx is calculated according to Formula II according to coil diameter data Dx：
F=2Mx/Dx Formula II；
In Formula II, F be uncoiling process in required for tension force, N；
Dx be uncoiling process in real-time coil diameter data, m；
Mx is the real-time braking moment needed for reel, N.m in uncoiling process；
Required electric current Ix is calculated according to Formulas I after obtaining Mx：
Mx=KIx Formulas I；
In Formulas I, real-time braking moments of the Mx needed for uncoiling process reel, N.m；
K is the performance parameters of brake；
Ix is the required real-time current exported of current regulator, A in uncoiling process；
The Ix being calculated is the real-time current of output needed for current regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710842017.5A CN107617650A (en) | 2017-09-18 | 2017-09-18 | A kind of decoiling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710842017.5A CN107617650A (en) | 2017-09-18 | 2017-09-18 | A kind of decoiling equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107617650A true CN107617650A (en) | 2018-01-23 |
Family
ID=61090580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710842017.5A Pending CN107617650A (en) | 2017-09-18 | 2017-09-18 | A kind of decoiling equipment |
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| Country | Link |
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| CN (1) | CN107617650A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1018016A (en) * | 1963-04-01 | 1966-01-26 | Production Machinery Corp | Apparatus for uncoiling and processing metal strip |
| CN2341801Y (en) * | 1998-11-02 | 1999-10-06 | 机械工业部西安重型机械研究所 | Film winding and lining film reclaiming device for composite board coating film |
| US6502734B1 (en) * | 1998-11-11 | 2003-01-07 | Norbert Umlauf | Driver system for reducing the speed of or dragging metal strips |
| CN201404970Y (en) * | 2009-05-06 | 2010-02-17 | 江苏远航精密合金科技有限公司 | Rolling mill tension device after coil-opening |
| CN202861040U (en) * | 2012-09-17 | 2013-04-10 | 上海灵龙铝业集团有限公司 | PS (presensitized) plate uncoiler with magnetic powder brake |
| CN104724529A (en) * | 2015-01-28 | 2015-06-24 | 苏州工业职业技术学院 | Constant tension control system based on partition-plate-free filterer movement |
-
2017
- 2017-09-18 CN CN201710842017.5A patent/CN107617650A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1018016A (en) * | 1963-04-01 | 1966-01-26 | Production Machinery Corp | Apparatus for uncoiling and processing metal strip |
| CN2341801Y (en) * | 1998-11-02 | 1999-10-06 | 机械工业部西安重型机械研究所 | Film winding and lining film reclaiming device for composite board coating film |
| US6502734B1 (en) * | 1998-11-11 | 2003-01-07 | Norbert Umlauf | Driver system for reducing the speed of or dragging metal strips |
| CN201404970Y (en) * | 2009-05-06 | 2010-02-17 | 江苏远航精密合金科技有限公司 | Rolling mill tension device after coil-opening |
| CN202861040U (en) * | 2012-09-17 | 2013-04-10 | 上海灵龙铝业集团有限公司 | PS (presensitized) plate uncoiler with magnetic powder brake |
| CN104724529A (en) * | 2015-01-28 | 2015-06-24 | 苏州工业职业技术学院 | Constant tension control system based on partition-plate-free filterer movement |
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Application publication date: 20180123 |