CN106743859B - Sense of touch film coating machine unwinding system change of lap calculates the change of lap method of detent mechanism certainly - Google Patents
Sense of touch film coating machine unwinding system change of lap calculates the change of lap method of detent mechanism certainly Download PDFInfo
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- CN106743859B CN106743859B CN201710055950.8A CN201710055950A CN106743859B CN 106743859 B CN106743859 B CN 106743859B CN 201710055950 A CN201710055950 A CN 201710055950A CN 106743859 B CN106743859 B CN 106743859B
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- change
- lap
- unreeling shaft
- coiled material
- axis
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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
- B65H19/00—Changing the web roll
- B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/40—Type of handling process
- B65H2301/41—Winding, unwinding
- B65H2301/415—Unwinding
- B65H2301/4152—Finishing unwinding process
- B65H2301/41522—Detecting residual amount of web
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- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Abstract
The present invention relates to coating machine unwinding system technical fields, more particularly to a kind of sense of touch film coating machine unwinding system change of lap calculates detent mechanism and its change of lap method certainly, it will be to penetrating switch using PLC control system, potentiometer, first annular anchor ear and the first photoelectric switching signal link together, it is installed (position that any one protrusion is passed through on i.e. first annular anchor ear is corresponding with the maximum gauge of qualified coiled material) according to the position of calculated in advance the position of first annular anchor ear, potentiometer can calculate the diameter of coiled material according to the corner of change of lap axis, then basis is calculated how long coiled material needs can soon unreel, membrane process is connect so as to carry out cutting film, it is accurately calculated by potentiometer, it can avoid the waste of coiled material, so that front and rear coiled material is docked at the time point for most saving material, it is efficient, save material, improve precision.
Description
Technical field
The present invention relates to coating machine unwinding system technical field more particularly to a kind of sense of touch film coating machine unwinding system change of laps
From the change of lap method for calculating detent mechanism.
Background technology
Coating machine is mainly used for the surface coating process production of film, paper etc., this machine is that coiled base material is coated one
Glue, coating or ink of layer specific function etc., and wound after drying.It uses dedicated multi-functional coating head, can realize a variety of
The surface coating of form generates.In order to ensure work efficiency, the retractable volume of coating machine configures automatic membrane connecting mechanism at full speed, PLC
Program tension closed loop automatically controls.Existing coating machine unreeling structure, it is necessary to manually be changed after the completion of coiled material soon unreels
Volume, work efficiency is low, of high cost.
The content of the invention
The technical problem to be solved by the present invention is to：In order to solve the skill that artificial change of lap efficiency is low, of high cost in the prior art
Art problem, the present invention provide a kind of sense of touch film coating machine unwinding system change of lap and calculate detent mechanism certainly.
The technical solution adopted by the present invention to solve the technical problems is：A kind of sense of touch film coating machine unwinding system change of lap is certainly
Detent mechanism is calculated, including rack and PLC control system, change of lap axis is provided in rack, fixing sleeve is equipped with change of lap on change of lap axis
Frame, one end of change of lap frame are provided with the first unreeling shaft, and the other end of change of lap frame is provided with the second unreeling shaft, the first unreeling shaft and
The axial line of two unreeling shafts is symmetrical in 180 °, and membrane connecting mechanism is additionally provided in the rack, and membrane connecting mechanism includes cutter and to penetrating
It switchs, is also equipped with side stand in rack, side stand is located at the lower section of change of lap axis, potentiometer and the first light are equipped on side stand
Electric switch, fixing sleeve is equipped with gear wheel equipped with pinion gear, one end also fixing sleeve of change of lap axis on the output shaft of the potentiometer, greatly
Gear and pinion gear are meshed, and one end of change of lap axis is also equipped with first annular anchor ear, and the outer ring of the first annular anchor ear is set
The first protrusion and the second protrusion are equipped with, first protrusion and the second protrusion are symmetrical in 180 °, the first optoelectronic switch and the first ring
Shape anchor ear aligns, and penetrates switch, potentiometer and the first optoelectronic switch for described pair and is electrically connected with PLC control system.The present invention touches
Sense film coating machine unwinding system change of lap, will be to penetrating switch, potentiometer, the first ring using PLC control system from detent mechanism is calculated
Shape anchor ear and the first photoelectric switching signal link together, and the position of first annular anchor ear is installed according to the position of calculated in advance
(position that any one protrusion is passed through on i.e. first annular anchor ear is corresponding with the maximum gauge of qualified coiled material), potentiometer being capable of root
The diameter of coiled material is calculated according to the corner of change of lap axis, then basis is calculated how long coiled material needs can soon unreel
It is complete, membrane process is connect so as to carry out cutting film, is accurately calculated by potentiometer, the waste of coiled material can be avoided so that front and rear coiled material
It is docked at the time point for most saving material, it is efficient, material is saved, improves precision.
For the ease of adjusting the position of first annular anchor ear, the coiled material of different-diameter scope is adapted to, described first annular armful
Setting is adjusted in the circumferential position bound round on change of lap axis.
The present invention's is also equipped with too small protective device from calculating detent mechanism, is not conform to when the diameter of coiled material is too small
Lattice coiled material is, it is necessary to which it is replaced in time.The too small protective device includes the second annular anchor ear and the second optoelectronic switch, side stand
On be also equipped with the second optoelectronic switch, one end of the change of lap axis is also equipped with the second annular anchor ear, second annular anchor ear
Outer ring be provided with third protrusion and the 4th protrusion, the third protrusion and the 4th protrusion are in 180 ° of symmetrical, second optoelectronic switches
It aligns with the second annular anchor ear, third protrusion and the first protrusion mutually stagger setting, second optoelectronic switch and PLC controls
System is electrically connected.
For the ease of adjusting the position of the second annular anchor ear, the coiled material of different-diameter scope is adapted to, second annular is embraced
Setting is adjusted in the circumferential position bound round on change of lap axis.
A kind of sense of touch film coating machine unwinding system change of lap calculates the change of lap method of detent mechanism, roll diameter to be unreeled certainly
For d0-dx, d0 ＜ dx, there are following steps：
1) when setting change of lap axis and rotating, arc length L0 that the first unreeling shaft axle center is passed through to central angle be α, α is fixes
Position, the length of side at the α angles that the first unreeling shaft axle center first passes through are a, and length of side a corresponds to dx, after by the length of side at α angles be b, the length of side
B corresponds to d0；
2) the circumferential installation site of first annular anchor ear is adjusted so that the first protrusion is corresponding with the position of length of side a, and first
Protrusion and the alignment of the first optoelectronic switch adjust the circumferential installation site of the second annular anchor ear so that the position of third protrusion and side length b
Put correspondence, and third protrusion and the alignment of the second optoelectronic switch；
3) set on the first unreeling shaft and need the coiled material unreeled, be the coiled material that will be discharged on the second unreeling shaft, connect film machine
Structure is located at the lower section of the second unreeling shaft, and change of lap axis rotates, and when the position of the first unreeling shaft axis rotation to length of side a, first is convex
It rises and the alignment of the first optoelectronic switch, the first optoelectronic switch is sent a signal to penetrating switch so that rise h1 to penetrating switch, change at this time
Spool can be with tangent to penetrating switch end after being rotated further arc length L1, at this point, change of lap axis stops operating, cutter carries out cutting film,
And carry out connecing film, while PLC control system calculates the diameter d1 of coiled material on the first unreeling shaft according to the rotation process of L1, to penetrating
Switch declines h1,
4) potentiometer unreels time t1, time according to the rotating speed of diameter d1 and the first unreeling shaft the first unreeling shaft of control
T1 and the pinion rotation number of turns are directly proportional, new coiled material to be unreeled will be changed on the second unreeling shaft in the t1 times,
5) after the t1 times, potentiometer transmits signals to change of lap axis so that change of lap axis rotates, when the second unreeling shaft axis rotation
To length of side a position when, second protrusion and the first optoelectronic switch alignment, the first optoelectronic switch send a signal to penetrate switch, make
H1 must be risen to penetrating switch, change of lap axis can be with tangent to penetrating switch end, at this point, change of lap axis after being rotated further arc length L2 at this time
It stops operating, cutter carries out cutting film, and carries out connecing film, while PLC control system calculates first according to the rotation process of L2 and puts
The diameter d2 of coiled material on spool declines h1 to penetrating switch,
6) potentiometer unreels time t2, time according to the rotating speed of diameter d2 and the second unreeling shaft the second unreeling shaft of control
T2 and the pinion rotation number of turns are directly proportional, new coiled material to be unreeled will be changed on the first unreeling shaft again in the t2 times, by this class
It pushes to state and unreels step.
When the roll diameter unreeled is less than d0, coiled material to be unreeled is unqualified coiled material, when the first unreeling shaft/the second
Unreeling shaft move to the length of side for b when, coiled material to be unreeled still is got along well to penetrating switch contact in step 3) or step 5), then the
Two optoelectronic switches are started to work, and when third protrusion/4th is raised and the second optoelectronic switch aligns, the second optoelectronic switch sends letter
Number, stop change of lap axis and rotate, replace unqualified coiled material.
The invention has the advantages that the sense of touch film coating machine unwinding system change of lap of the present invention is adopted from detent mechanism is calculated
It will be linked together, completed to penetrating switch, potentiometer, first annular anchor ear and the first photoelectric switching signal with PLC control system
A set of automatic change of lap connects membrane process, and (i.e. first annular anchor ear is installed in the position of first annular anchor ear according to the position of calculated in advance
The position that any one upper protrusion is passed through is corresponding with the maximum gauge of qualified coiled material), potentiometer can be according to the corner of change of lap axis
The diameter of coiled material is calculated, then according to being calculated how long coiled material needs can soon unreel, so as to carry out cutting film
Connect membrane process, accurately calculated by potentiometer, the waste of coiled material can be avoided so that front and rear coiled material most save material when
Between point docked, it is efficient, save material, improve precision.
Description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is structure diagram of the sense of touch film coating machine unwinding system change of lap of the present invention from calculating detent mechanism.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is enlarged drawing at A in Fig. 1.
In figure：1st, rack, 2, change of lap axis, 3, change of lap frame, the 41, first unreeling shaft, the 42, second unreeling shaft, 43, First Transition
Roller, the 44, second transition roller, 51, cutter, 52, to penetrating switch, the 53, first cylinder, the 54, second cylinder, 6, side stand, 71, current potential
Device, 72, pinion gear, 73, gear wheel, the 81, first optoelectronic switch, 82, first annular anchor ear, the 821, first protrusion, 822, second
Protrusion, the 91, second optoelectronic switch, the 92, second annular anchor ear, the 921, third protrusion, the 922, the 4th protrusion.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows composition related to the present invention.
As shown in Figs. 1-3, it is optimum embodiment of the present invention, a kind of sense of touch film coating machine unwinding system change of lap calculates positioning certainly
Mechanism including rack 1 and PLC control system, is provided with change of lap axis 2 in rack 1, fixing sleeve is equipped with change of lap frame 3 on change of lap axis 2,
One end of change of lap frame 3 is provided with the first unreeling shaft 41, and the other end of change of lap frame 3 is provided with the second unreeling shaft 42, the first unreeling shaft
41 and second unreeling shaft 42 axial line it is symmetrical in 180 °, change of lap frame 3 is substantially in crux, and there are four stretch out for the tool of change of lap frame 3
End, four external parts are sequentially installed with clockwise：First unreeling shaft 41, First Transition roller 43, the second unreeling shaft 42 and the second mistake
Roller 44 is crossed, 43 and second transition roller 44 of First Transition roller is symmetrical in 180 °.Membrane connecting mechanism is additionally provided in rack 1, connects film machine
Structure includes cutter 51 and to penetrating switch 52, side stand 6 is also equipped in rack 1, side stand 6 is located at the lower section of change of lap axis 2, collateral
71 and first optoelectronic switch 81 of potentiometer is installed, fixing sleeve is equipped with pinion gear 72, change of lap on the output shaft of potentiometer 71 on frame 6
One end of axis 2 also fixing sleeve is equipped with gear wheel 73, and gear wheel 73 and pinion gear 72 are meshed, and one end of change of lap axis 2 is also equipped with
First annular anchor ear 82, the outer ring of first annular anchor ear 82 are provided with the first protrusion 821 and the second protrusion 822, the first protrusion 821
Symmetrical in 180 ° with the second protrusion 822, the first optoelectronic switch 81 and first annular anchor ear 82 align, to penetrating switch 52, current potential
71 and first optoelectronic switch 81 of device is electrically connected with PLC control system.
Setting is adjusted in circumferential position of the first annular anchor ear 82 on change of lap axis 2.It will be first annular by fastening screw
Anchor ear 82 is fixedly mounted on change of lap axis 2, if necessary to adjust the angle, only need to unclamp fastening screw.
The second optoelectronic switch 91 is also equipped on side stand 6, one end of change of lap axis 2 is also equipped with the second annular anchor ear 92,
The outer ring of second annular anchor ear 92 is provided with 921 and the 4th protrusion 922 of third protrusion, and 921 and the 4th protrusion 922 of third protrusion is in
180 ° symmetrical, and the second optoelectronic switch 91 and the second annular anchor ear 92 align, and 921 and first protrusion 821 of third protrusion is mutually wrong
It opens up and puts, the second optoelectronic switch 91 and PLC control system electrical connection.
Setting is adjusted in circumferential position of second annular anchor ear 92 on change of lap axis 2.It is annular by second by fastening screw
Anchor ear 92 is fixedly mounted on change of lap axis 2, if necessary to adjust the angle, only need to unclamp fastening screw.
A kind of sense of touch film coating machine unwinding system change of lap calculates the change of lap method of detent mechanism, qualified coiled material to be unreeled certainly
A diameter of d0-dx, d0 ＜ dx have following steps：
1) when setting change of lap axis 2 and rotating, arc length L0 that 41 axle center of the first unreeling shaft is passed through to central angle be α, α is solid
Positioning put it is constant (when Position Approximate i.e. shown in Fig. 2, angle α are located at that machine is stopped in Fig. 1, First Transition roller 43 and the
Between two unreeling shafts 42), and for acute angle, the length of side at the α angles that 41 axle center of the first unreeling shaft first passes through is a, and length of side a corresponds to dx, after
The length of side at the α angles of process is b, and side length b corresponds to d0；It can be in PLC control system position computed in advance by above-mentioned correspondence
Put relation；
2) the circumferential installation site of first annular anchor ear 82 is adjusted so that the position of the first 821 and length of side a of protrusion corresponds to
(when i.e. the first protrusion 821 goes to the position of length of side a, the axle center of the first unreeling shaft 41 is also reached on the position of length of side a), and at this time
First protrusion 821 and the first optoelectronic switch 81 align, and adjust the circumferential installation site of the second annular anchor ear 92 so that third protrusion
921 and the position of side length b correspond to, and 921 and second optoelectronic switch 91 of third protrusion aligns；
3) as shown in state in Fig. 2, qualified coiled material to be unreeled, the second unreeling shaft 42 are provided on the first unreeling shaft 41
The upper coiled material for that will discharge, membrane connecting mechanism are located at the lower section of the second unreeling shaft 42, and change of lap axis 2 rotates clockwise, and put when first
41 axis rotation of spool to length of side a position when, first protrusion 821 and first optoelectronic switch 81 align, the first optoelectronic switch 81
It sends a signal to penetrating switch 52 so as to penetrating 52 rising h1 of switch (to penetrating after switch 52 rises or and turning to length of side a's
Coiled material on first unreeling shaft 41 of position has certain distance), change of lap axis 2 is rotated further arc length L1 and (passes through gear wheel at this time
73 and 72 engagement rotation of pinion gear angle send to potentiometer calculate obtain L1) after, the coiled material on the first unreeling shaft 41 can
It is contacted or tangent with to penetrating 52 ends of switch, at this point, change of lap axis 2 stops operating, cutter 51 carries out cutting film, and carries out connecing film,
PLC control system is calculated according to the rotation process of L1 (the bigger L1 of roll diameter is smaller, and the smaller L1 of roll diameter is bigger) simultaneously
The diameter d1 of coiled material on first unreeling shaft 41, then to penetrating 52 decline h1 of switch (to penetrating 52 playback of switch),
4) potentiometer 71 unreels the time according to the rotating speed of diameter d1 and the first unreeling shaft 41 the first unreeling shaft 41 of control
(potentiometer 71 can calculate general t1 according to the rotating speed of diameter d1 and the first unreeling shaft 41 according to the calculated relationship of prior typing
How long coiled material can unreel, and therefore, the coiled material t1 of different-diameter is also different, and t1 is less than the time that coiled material discharges completely, because
Need to connect film in advance, but ensure that material does not waste again, therefore t1 accurately calculates acquisition by PLC system), in the t1 times
New coiled material to be unreeled will be changed on second unreeling shaft 42,
5) after the t1 times, potentiometer 71 transmits signals to change of lap axis 2 so that change of lap axis 2 rotates, when 42 axis of the second unreeling shaft
When the heart turns to the position of length of side a, the second protrusion 822 and the first optoelectronic switch 81 align, and the first optoelectronic switch 81 sends signal
To penetrating switch 52 so that rise h1 to penetrating switch 52, at this time change of lap axis 2 be rotated further after arc length L2 can with to penetrating switch 52
End is tangent, at this point, change of lap axis 2 stops operating, cutter 51 carries out cutting film that (cutter 51 is controlled by the first cylinder 53 and cut up and down
Film), and connect film (connect film controlled by the second cylinder 54 connect film compacting), while PLC control system is according to the rotation of L2
Process calculates the diameter d2 of coiled material on the first unreeling shaft 41, declines h1 (step 5 is similar with step 3) to penetrating switch 52,
6) potentiometer 71 unreels the time according to the rotating speed of diameter d2 and the second unreeling shaft 42 the second unreeling shaft 42 of control
New coiled material to be unreeled will be changed on first unreeling shaft 41 again in t2, the t2 time, by parity of reasoning above-mentioned unreels step (step 6
It is similar with step 5).
When the roll diameter unreeled is less than d0, coiled material to be unreeled is unqualified coiled material, when the first unreeling shaft 41/ the
Two unreeling shafts 42 move to the length of side for b when, coiled material to be unreeled still is got along well in step 3) or step 5) 52 connects to penetrating switch
It touching, then the second optoelectronic switch 91 is started to work, when the 4th protrusion 922 of third protrusion 921/ and the second optoelectronic switch 91 align, the
Two optoelectronic switches 91 send signal, stop change of lap axis 2 and rotate, replace unqualified coiled material.
For example, when the roll diameter unreeled is less than d0, coiled material to be unreeled is unqualified coiled material, at this time when first puts
Spool 41 move to the length of side for b when, coiled material to be unreeled still is got along well in step 3) (has gone up to penetrating switch 52 to penetrating switch
H1) contacting, then PLC starts that the second optoelectronic switch 91 is controlled to work, when 921 and second optoelectronic switch 91 of third protrusion aligns, the
Two optoelectronic switches 91 send signal, stop change of lap axis 2 and rotate, replace unqualified coiled material.
Whether present invention coiled material in change of lap is qualified can certainly to be calculated completely by sense of touch film coating machine unwinding system change of lap
Detent mechanism goes to detect, without artificial detection.
Using above-mentioned desirable embodiment according to the invention as enlightenment, by above-mentioned description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to determine its technical scope according to right.
Claims (2)
1. a kind of sense of touch film coating machine unwinding system change of lap is from the change of lap method for calculating detent mechanism, roll diameter to be unreeled
D0-dx, d0 ＜ dx, from calculating, detent mechanism includes rack (1) to the sense of touch film coating machine unwinding system change of lap and PLC is controlled
System is provided with change of lap axis (2) in rack (1), and fixing sleeve is equipped with change of lap frame (3), one end of change of lap frame (3) on change of lap axis (2)
The first unreeling shaft (41) is provided with, the other end of change of lap frame (3) is provided with the second unreeling shaft (42), the first unreeling shaft (41) and
The axial line of two unreeling shafts (42) is symmetrical in 180 °, and membrane connecting mechanism is additionally provided on the rack (1), and membrane connecting mechanism includes cutter
(51) and to penetrating switch (52), side stand (6) is also equipped in rack (1), side stand (6) is located at the lower section of change of lap axis (2), side
Potentiometer (71) and the first optoelectronic switch (81) on stent (6) are installed, suit is fixed on the output shaft of the potentiometer (71)
There is pinion gear (72), one end also fixing sleeve of change of lap axis (2) is equipped with gear wheel (73), and gear wheel (73) is mutually nibbled with pinion gear (72)
It closes, one end of change of lap axis (2) is also equipped with first annular anchor ear (82), and the outer ring of the first annular anchor ear (82) is provided with the
One raised (821) and second raised (822), described first raised (821) and second raised (822) are symmetrical in 180 °, the first light
Electric switch (81) and first annular anchor ear (82) align, and described pair is penetrated switch (52), potentiometer (71) and the first optoelectronic switch
(81) it is electrically connected with PLC control system, circumferential position of the first annular anchor ear (82) on change of lap axis (2), which is adjusted, to be set
It puts,
It is characterized in that：With following steps：
1) when setting change of lap axis (2) and rotating, arc length L0 that the first unreeling shaft (41) axle center is passed through to central angle for α, α is solid
Positioning is put, and the length of side at the α angles that the first unreeling shaft (41) axle center first passes through is a, and length of side a corresponds to dx, after by the length of side at α angles be
B, side length b correspond to d0；
2) the circumferential installation site of first annular anchor ear (82) is adjusted so that first raised (821) are corresponding with the position of length of side a,
And first raised (821) and the first optoelectronic switch (81) alignment, the circumferential installation site of the second annular anchor ear of adjustment (92) so that
Third protrusion (921) is corresponding with the position of side length b, and third protrusion (921) and the second optoelectronic switch (91) alignment；
3) set on the first unreeling shaft (41) and need the coiled material unreeled, be the coiled material that will be discharged on the second unreeling shaft (42), connect
Film mechanism is located at the lower section of the second unreeling shaft (42), and change of lap axis (2) rotates, when the first unreeling shaft (41) axis rotation to length of side a
Position when, first raised (821) and the first optoelectronic switch (81) align, and the first optoelectronic switch (81) is sent a signal to penetrating out
It closes (52) so that rise h1 to penetrating switch (52), change of lap axis (2) is rotated further the volume on the first unreeling shaft 41 after arc length L1 at this time
Material can be with tangent to penetrating switch (52) end, at this point, change of lap axis (2) stops operating, cutter (51) carries out cutting film, and is connect
Film, while PLC control system calculates the diameter d1 of coiled material on the first unreeling shaft (41) according to the rotation process of L1, to penetrating switch
(52) h1 is declined,
4) potentiometer (71) controls when unreeling of the first unreeling shaft (41) according to the rotating speed of diameter d1 and the first unreeling shaft (41)
Between t1, new coiled material to be unreeled will be changed on the second unreeling shaft (42) in the t1 times,
5) after the t1 times, potentiometer (71) transmits signals to change of lap axis (2) so that change of lap axis (2) rotates, when the second unreeling shaft
(42) axis rotation to length of side a position when, second raised (822) and the first optoelectronic switch (81) align, the first optoelectronic switch
(81) send a signal to penetrating switch (52) so that rise h1 to penetrating switch (52), change of lap axis (2) is rotated further arc length L2 at this time
After can with to penetrate switch (52) end it is tangent, at this point, change of lap axis (2) stops operating, cutter (51) carries out cutting film, and is connect
Film, while PLC control system calculates the diameter d2 of coiled material on the first unreeling shaft (41) according to the rotation process of L2, to penetrating switch
(52) h1 is declined,
6) potentiometer (71) controls when unreeling of the second unreeling shaft (42) according to the rotating speed of diameter d2 and the second unreeling shaft (42)
Between t2, new coiled material to be unreeled will be changed on the first unreeling shaft (41) again in the t2 times, by parity of reasoning above-mentioned unreels step.
2. sense of touch film coating machine unwinding system change of lap as described in claim 1 is from the change of lap method for calculating detent mechanism, special
Sign is：When the roll diameter unreeled is less than d0, coiled material to be unreeled is unqualified coiled material, is gone back on the side stand (6)
Second optoelectronic switch (91) is installed, one end of the change of lap axis (2) is also equipped with the second annular anchor ear (92), second ring
The outer ring of shape anchor ear (92) is provided with third protrusion (921) and the 4th raised (922), the third protrusion (921) and the 4th convex
Play that (922) are symmetrical in 180 °, and the second optoelectronic switch (91) and the second annular anchor ear (92) align, third protrusion (921) and the
One raised (821) mutually stagger setting, second optoelectronic switch (91) and PLC control system electrical connection, second annular
Setting is adjusted in circumferential position of the anchor ear (92) on change of lap axis (2),
It is to be unreeled in step 3) or step 5) when it is b that the first unreeling shaft (41)/second unreeling shaft (42), which moves to the length of side,
Coiled material is still got along well to penetrating switch (52) contact, then the second optoelectronic switch (91) is started to work, and third protrusion (921)/the 4th is convex
When playing (922) and the second optoelectronic switch (91) alignment, the second optoelectronic switch (91) sends signal, stops change of lap axis (2) and rotates, more
Change unqualified coiled material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710055950.8A CN106743859B (en) | 2017-01-25 | 2017-01-25 | Sense of touch film coating machine unwinding system change of lap calculates the change of lap method of detent mechanism certainly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710055950.8A CN106743859B (en) | 2017-01-25 | 2017-01-25 | Sense of touch film coating machine unwinding system change of lap calculates the change of lap method of detent mechanism certainly |
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| Publication Number | Publication Date |
|---|---|
| CN106743859A CN106743859A (en) | 2017-05-31 |
| CN106743859B true CN106743859B (en) | 2018-06-01 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5133511A (en) * | 1989-09-23 | 1992-07-28 | Erhardt & Leimer Gmbh | Apparatus for the edge aligned connection of webs |
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