CN208150612U - A kind of cutting machine unreels double floating roller mechanisms - Google Patents
A kind of cutting machine unreels double floating roller mechanisms Download PDFInfo
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- CN208150612U CN208150612U CN201820437087.2U CN201820437087U CN208150612U CN 208150612 U CN208150612 U CN 208150612U CN 201820437087 U CN201820437087 U CN 201820437087U CN 208150612 U CN208150612 U CN 208150612U
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- dancer
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- cylinder
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Abstract
The utility model discloses a kind of cutting machines to unreel double floating roller mechanisms, including active dancer, driven dancer, cylinder and connecting rod, active dancer is connected with active dancer swing arm, the swing arm of active dancer is swung around first rotating shaft, cylinder drives the swing arm of active dancer to swing, driven dancer is connected with driven dancer swing arm, driven dancer swing arm is around the second shaft swing, the both ends of connecting rod are hinged with the swing arm of active dancer and driven dancer swing arm respectively, cylinder is driven by electric motor, electric motor connects controller, linear potentiometer is fixedly installed on cylinder.Material is elastic when changing, and cylinder is stretched out or retracted, and the linear potentiometer on cylinder detects the transformation of cylinder location, and voltage change signal feeds back to controller, and controller adjusts electric motor revolving speed and cylinder is made to return to equilbrium position.It is good that the utility model provides a kind of responsiveness, and tension force precision is high, and cutting machine quiet, that dynamical balance feature is good unreels double floating roller mechanisms.
Description
Technical field
The utility model relates on a kind of cutting machine floating roller mechanism more particularly to a kind of cutting machine unreel double dancers
Mechanism.
Background technique
In cutting winding application field, for cutting parent roll circularity is poor, tension fluctuation is big, easy for small tension receiving coil material
The problems such as stretcher strain, seriously affects winding film roll quality, such as material tensile deformation, fold, scuffing, thus road work after influencing
Sequence production, notably causes scrap of the product.
Dancer main function on existing parting off unreeling machine is tension to be established on the material that slitting unreels, and protect
It holds unwinding tension to stablize, fluctuation caused by simultaneous buffering parent roll out-of-roundness, guarantees that parent roll releasing material is smooth, to guarantee material
The quality requirements of road production process afterwards.
Such as the prior art 1（CN101519169B）In disclose a kind of floating roll device for splitting machine, use single floating
Dynamic roller mechanism, wallboard inside opposite position is vertically-mounted linear guide, dancer both ends band boss circle spherical outside surface ball
Bearing be first installed on mounting plate after again in overall installation to linear guide, enable dancer vertical up-or-down movement.
The prior art 1 is disadvantageous in that：In a first aspect, material only bypasses floating in the mechanical mechanism of single dancer
Dynamic roller is primary, therefore the stroke up and down of single dancer is the 1/2 of undulate quantity, the poor synchronization of response action.
Second aspect, the material tension of single floating roller mechanism at a distance from floating roller fulcrum and rotation fulcrum, cylinder fulcrum with
The distance of rotation fulcrum, material are related with single dancer angle, cylinder pressure and cylinder area of section, are confined to cylinder most
Little trick air pressure can not obtain the output of small tension receiving coil by reducing atmospheric pressure value sometimes, therefore pass through reduction in single dancer
Atmospheric pressure value is limited come the control program for obtaining small tension receiving coil.
The third aspect, single dancer cannot achieve weight balancing, only due to only one dancer in the quiescent state
Additionally plus weight linear meter or reach static balancing by way of compensation cylinder equilibrium air pressure, and weight linear meter and atmospheric pressure compensating
Mode, there is a certain error, and the static force that this error generates will act directly on material.
Fourth aspect, the fluctuation of material tension depend primarily on the dynamic acceleration variation of dancer system, transport in equipment
During row, the fluctuation up and down of dancer, since the quality of deflector roll and connecting rod itself exists, by Newton's second law it is found that meeting
Generate additional additional dynamic load.
Utility model content
The utility model in order to overcome cutting machine in the prior art unreel bad response existing for single floating roller mechanism,
Power controls that precision is low, static balancing is poor, the deficiency of dynamical balance feature difference, provides a kind of cutting machine and unreels pair dancer machines
Structure, responsiveness is good, tension force precision is high, static balancing is good, dynamical balance feature is good.
To achieve the goals above, the utility model uses following technical scheme：
A kind of cutting machine unreels double floating roller mechanisms, including active dancer, driven dancer, cylinder and connecting rod, described
Active dancer is connected with active dancer swing arm, and the active dancer swing arm is swung around first rotating shaft, the cylinder driving
The active dancer swing arm is swung, and the driven dancer is connected with driven dancer swing arm, the driven dancer swing arm
Around the second shaft swing, the both ends of the connecting rod are hinged with the active dancer swing arm and driven dancer swing arm respectively.
In double floating roller mechanisms provided by the utility model, material bypasses active dancer and driven floating respectively twice
Roller, and active dancer and driven dancer use connecting bar each other, therefore the stroke up and down of dancer is the 1/4 of undulate quantity,
The synchronism that ensure that response action simultaneously improves 1 times than single dancer.
Material tension and floating roller fulcrum at a distance from rotation fulcrum, cylinder fulcrum is at a distance from rotation fulcrum, material and
One dancer angle, material are related with the second dancer angle, cylinder pressure and cylinder area of section, in same mechanical ruler
When very little, same cylinder model, same pressure, double floating roller mechanisms provided by the utility model can control more small tension receiving coil, if material
When expecting that it is vertical for bypassing the angle of dancer, then 1 times of single dancer can be improved in the tension force precision of double dancers.
The fluctuation of material tension depends primarily on the dynamic acceleration variation of floating roller mechanism, in equipment running process,
The fluctuation up and down of dancer, since the quality of dancer itself exists, by Newton's second law it is found that additional add can be generated
Dynamic loading.In the case where not considering other factors, since the buffering capacity of single dancer is only 1/2 and unit of double dancers
The adjusting stroke of single dancer is double 2 times of dancers in time, and acceleration is also 2 times, therefore theory analysis, the tension of single dancer
Undulate quantity is at least 2 times of double dancers, in addition weight itself and existing static unbalance, through experimental test, fluctuates width
Degree reaches nearly 50%.And in double floating roll structures, double dancers equally exist dynamic additional load, but double dancers buffer
Amount is big, and adjusting floating is small, and the PID amplitude of accommodation is shallow, and the acceleration of generation is small, integrated system error, through experimental test, fluctuating range
Only 10%.
As a kind of optimal technical scheme of the utility model, the first rotating shaft and the swing arm of active dancer and connecting rod connect
The line section of contact and second shaft and the line section of driven dancer swing arm and rod connection point are parallel and equal, described
The line section and second shaft of first rotating shaft and the swing arm of active dancer and active dancer tie point and driven dancer
Swing arm and the line section of driven dancer tie point are parallel and equal, the active dancer and the driven dancer quality phase
Together.
Under active dancer and driven dancer self gravitation effect, the swing arm of active dancer and driven dancer swing arm
It is equal to the amount of force of connecting rod, contrary, therefore this double floating roller mechanism has static balancing, in the quiescent state can
It realizes weight balancing, stops at an arbitrary position, additional static force will not be generated to material.
As a kind of optimal technical scheme of the utility model, the active dancer swing arm and the driven dancer pendulum
Shape, size, the quality of arm are all the same, to eliminate the influence of the swing arm of active dancer and driven dancer swing arm gravity, so that
This double floating roller mechanism has more static balancing.
As a kind of optimal technical scheme of the utility model, the active dancer swing arm and the driven dancer pendulum
Arm is L-shaped.
As a kind of optimal technical scheme of the utility model, along the active dancer in the active dancer swing arm
Company's line segment direction of swing arm and active dancer tie point is equipped with several pin holes, and the piston rod of the cylinder is connected to by pin shaft
Pin hole in the active dancer swing arm.By the pin hole of different location in connection active dancer swing arm, due to cylinder row
Journey is constant, can adjust the amplitude of fluctuation of active dancer swing arm, to adjust the tensile force of material.
As a kind of optimal technical scheme of the utility model, the active dancer swing arm is fixed at dancer roller
On core, the dancer roller core is connect with the gantry rotation, the driven dancer swing arm and is fixed at the rack
On support rotation connection.
As a kind of optimal technical scheme of the utility model, the dancer roller core is equipped with postive stop baffle, the machine
Frame is equipped with corresponding locating part.
It is described as a kind of optimal technical scheme of the utility model, including linear potentiometer, controller and electric motor
Linear potentiometer is fixed on the cylinder, and the controller connects the linear potentiometer, the electric motor connection
The controller, the cylinder connect the electric motor.When material elastic changes, the cylinder of air pressure is kept constant
It just stretches out or retracts, the linear potentiometer being mounted on cylinder will detect the transformation of cylinder location, pass through voltage change
Signal feeds back to controller, and the revolving speed that controller adjusts motor again makes cylinder return to equilbrium position.
The utility model beneficial effect achieved is compared with prior art：
The cushion stroke that a kind of cutting machine provided by the utility model unreels double floating roller mechanism out-of-roundness undulate quantities is small, rings
Answering property is good, and tension force precision is high, and static balancing is good, and dynamical balance feature is good.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the attachment structure schematic diagram of active dancer and driven dancer.
It is marked in figure as follows：First guide roller 1；Second guide roller 2；Active dancer 3；Driven dancer 4；Connecting rod 5；Gas
Cylinder 6；Active dancer swing arm 7；Dancer roller core 8；Driven dancer swing arm 9；Rack 10；Support 11；Postive stop baffle 12；Limit
Part 13；Pin hole 14.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
As shown in Figure 1 and Figure 2, a kind of cutting machine unreels double floating roller mechanisms, including rack 10, the first guide roller 1, second
Guide roller 2, active dancer 3, driven dancer 4, connecting rod 5 and cylinder 6.Active dancer 3 and the setting of driven dancer 4 are the
Between one guide roller 1 and the second guide roller 2, material is around the first guide roller 1, the second guide roller 2, active dancer 3 and driven
Dancer 4 is simultaneously tensioned.
The both ends of active dancer 3 are connected separately with active dancer swing arm 7, and the swing arm 7 of active dancer is L-shaped.Actively
The end A of dancer swing arm 7 is fixedly connected with active dancer 3, and the end B of active dancer swing arm 7 is connect with cylinder 6, and cylinder 6 is living
Stopper rod vertical lift.The C-terminal of active dancer swing arm 7 is fixedly connected on dancer roller core 8, and the axis of dancer roller core 8 is
First rotating shaft, active dancer swing arm 7 are rotated around first rotating shaft.The both ends of dancer roller core 8 are rotated by bearing and rack 10
Connection, the end D of active dancer swing arm 7 and one end of connecting rod 5 are hinged.Dancer roller core 8 is equipped with postive stop baffle 12, rack 10
It is equipped with corresponding locating part 13.
The both ends of driven dancer 4 are connected separately with driven dancer swing arm 9, and driven dancer swing arm 9 is L-shaped.It is driven
The end A^ of dancer swing arm 9 is fixedly connected with driven dancer 4, and the end C^ of driven dancer swing arm 9 passes through bearing and support 11
Rotation connection, the axis of support 11 are the second shaft, and driven dancer swing arm 9 is rotated around the second shaft.Support 11 is fixedly installed
In rack 10, the end D^ of driven dancer swing arm 9 and the other end of connecting rod 5 are hinged.
Active dancer 3 is equal with driven 4 mass of dancer.The shape of active dancer swing arm 7 and driven dancer swing arm 9
Shape, size, quality are all the same, and AC segment length is equal with A^C^ segment length, and CD segment length is equal with C^D^ segment length.When actively
When the A^C^ section of horizontal, the driven dancer swing arm 9 of the AC section of dancer swing arm 7 is horizontal, cylinder 6 is in equilbrium position.
Several pin holes 14 are equipped with along the direction AC in active dancer swing arm 7, the piston rod of cylinder 6 is connected to master by pin shaft
Pin hole 14 in dynamic dancer swing arm 7.
Cylinder 6 is driven by electric motor, and electric motor connects controller, is fixedly installed with linear potentiometer on cylinder 6.
When material elastic changes, the cylinder 6 for keeping constant air pressure is stretched out or is retracted with respect to equilbrium position, is mounted in cylinder
Linear potentiometer on 6 will detect the transformation of 6 position of cylinder, feed back to programmable logic control by the signal of voltage change
Device PLC processed, programmable logic controller (PLC) PLC pass through programmable logic device PID adjusting electric motor revolving speed again and cylinder 6 are returned
To equilbrium position.Cylinder 6 reduces revolving speed if extending higher than equilbrium position；Cylinder 6 adds if retracting lower than equilbrium position
Fast revolving speed.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of cutting machine unreels double floating roller mechanisms, including rack, which is characterized in that further include
Active dancer, the active dancer are connected with active dancer swing arm, and the active dancer swing arm is around first turn
Axis is swung；
Cylinder, the cylinder drive the active dancer swing arm to swing；
Driven dancer, the driven dancer are connected with driven dancer swing arm, and the driven dancer swing arm is around second turn
Axis is swung；
Connecting rod, the both ends of the connecting rod are hinged with the active dancer swing arm and driven dancer swing arm respectively.
2. a kind of cutting machine according to claim 1 unreels double floating roller mechanisms, which is characterized in that the first rotating shaft with
The line section of the swing arm of active dancer and rod connection point and second shaft and driven dancer swing arm and rod connection point
Line section it is parallel and equal, line section and the institute of the first rotating shaft and the swing arm of active dancer and active dancer tie point
It states the second shaft and the line section of driven dancer swing arm and driven dancer tie point is parallel and equal, the active dancer
It is identical in quality with the driven dancer.
3. a kind of cutting machine according to claim 2 unreels double floating roller mechanisms, which is characterized in that the active dancer
Shape, size, the quality of swing arm and the driven dancer swing arm are all the same.
4. a kind of cutting machine according to claim 1 or 2 or 3 unreels double floating roller mechanisms, which is characterized in that the active
Dancer swing arm and the driven dancer swing arm are L-shaped.
5. a kind of cutting machine according to claim 1 or 2 or 3 unreels double floating roller mechanisms, which is characterized in that the active
Several pin holes, institute are equipped with along company's line segment direction of the active dancer swing arm and active dancer tie point in dancer swing arm
The piston rod for stating cylinder is connected to pin hole in the active dancer swing arm by pin shaft.
6. a kind of cutting machine according to claim 1 or 2 or 3 unreels double floating roller mechanisms, which is characterized in that the active
Dancer swing arm is fixed on dancer roller core, and the dancer roller core is connect with the gantry rotation, described driven floating
Dynamic roller swing arm is rotatablely connected with the support being fixed in the rack.
7. a kind of cutting machine according to claim 6 unreels double floating roller mechanisms, which is characterized in that the dancer roller core
It is equipped with postive stop baffle, the rack is equipped with corresponding locating part.
8. a kind of cutting machine according to claim 1 or 2 or 3 unreels double floating roller mechanisms, which is characterized in that including straight line
Potentiometer, controller and electric motor, the linear potentiometer are fixed on the cylinder, described in the controller connection
Linear potentiometer, the electric motor connect the controller, and the cylinder connects the electric motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820437087.2U CN208150612U (en) | 2018-03-29 | 2018-03-29 | A kind of cutting machine unreels double floating roller mechanisms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820437087.2U CN208150612U (en) | 2018-03-29 | 2018-03-29 | A kind of cutting machine unreels double floating roller mechanisms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208150612U true CN208150612U (en) | 2018-11-27 |
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ID=64379389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820437087.2U Active CN208150612U (en) | 2018-03-29 | 2018-03-29 | A kind of cutting machine unreels double floating roller mechanisms |
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| CN (1) | CN208150612U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108423470A (en) * | 2018-03-29 | 2018-08-21 | 浙江华创机电科技有限公司 | A kind of cutting machine unreels double floating roller mechanisms and its closed loop control method |
| CN110759154A (en) * | 2019-10-17 | 2020-02-07 | 大族激光科技产业集团股份有限公司 | Constant tension control system |
-
2018
- 2018-03-29 CN CN201820437087.2U patent/CN208150612U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108423470A (en) * | 2018-03-29 | 2018-08-21 | 浙江华创机电科技有限公司 | A kind of cutting machine unreels double floating roller mechanisms and its closed loop control method |
| CN110759154A (en) * | 2019-10-17 | 2020-02-07 | 大族激光科技产业集团股份有限公司 | Constant tension control system |
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