CN109328174A - Film conveying device and film manufacturing method - Google Patents
Film conveying device and film manufacturing method Download PDFInfo
- Publication number
- CN109328174A CN109328174A CN201780037331.4A CN201780037331A CN109328174A CN 109328174 A CN109328174 A CN 109328174A CN 201780037331 A CN201780037331 A CN 201780037331A CN 109328174 A CN109328174 A CN 109328174A
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- China
- Prior art keywords
- film
- bar
- turning
- edge part
- conveying
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H20/00—Advancing webs
- B65H20/10—Advancing webs by a feed band against which web is held by fluid pressure, e.g. suction or air blast
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/24—Registering, tensioning, smoothing or guiding webs longitudinally by fluid action, e.g. to retard the running web
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/32—Arrangements for turning or reversing webs
-
- 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
- B65H2301/30—Orientation, displacement, position of the handled material
- B65H2301/33—Modifying, selecting, changing orientation
- B65H2301/332—Turning, overturning
- B65H2301/3322—Turning, overturning according to a determined angle
- B65H2301/33224—180°
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/175—Plastic
- B65H2701/1752—Polymer film
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Advancing Webs (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
A kind of film conveying device has turning-bar, with by the state for floating film from conveyor surface from the fluid of opening ejection, continuously transport membrane, conveyor surface include curved surface, upper plane upward, lower plane directed downwardly；And film feedway, its upstream that turning-bar is set, by the edge part of the curved sides of turning-bar and an edge part of film outside film angulation be greater than the curved sides of turning-bar edge part and film another edge part outside film in a manner of angulation to turning-bar delivery film, floatation volume at an edge part of the film conveyed in the upper plane of turning-bar is greater than the floatation volume at another edge part.
Description
Technical field
The present invention relates to a kind of for conveying the film conveying device of the film of strip；And comprising using the film conveying device pair
The film manufacturing method for the step of film is conveyed.
Background technique
The films such as resin film are manufactured mostly with the shape of strip.In the case where manufacturing the film of such strip, usually on one side
The film is continuously conveyed along its length, carries out each process in manufacturing method on one side.
In the case where carrying out film manufacture as described above, it is sometimes desirable to change the conveying direction of film.For example, in the factory
The place of manufacturing equipment can be arranged, and occasionally there are limitations, in order to which manufacturing equipment is arranged in the range of such limitation, sometimes
Need to make the transport path bending of film to change the conveying direction of film.As the conveying direction for changing film as described above
Device, it is known that turning-bar (turn bar) (referring to patent document 1).
Existing technical literature
Patent document
Patent document 1: No. 5152477 bulletins of Japanese Patent No..
Summary of the invention
Subject to be solved by the invention
Turning-bar usually has the multiple openings that can spray air, keeps film floating by the air sprayed from the opening on one side
It rises, so that film is turned back on one side.However, scar is generated on film sometimes in the case where having used turning-bar.Specifically,
In the case where the conveying direction for changing the film obliquely entered relative to the extending direction of turning-bar with the turning-bar, sometimes
Scar is generated on changing the film after conveying direction by turning-bar.The scar is although small, but sometimes due to purposes can damage
Its bad quality.For example, in optical film, even small scar may also become the reason of damaging its optical characteristics, so needing
Inhibit its generation.
The present invention is completed in view of above-mentioned project, and its purpose is to provide the productions that one kind can inhibit scar on one side
The film conveying device of the conveying direction of the raw film for changing strip on one side, and can be carried out in a manner of not generating scar on one side defeated
Send the film manufacturing method for manufacturing the film of strip on one side.
Solution for solving the problem
[1] a kind of film conveying device is used to convey the film of strip, comprising: turning-bar, it is described defeated with conveyor surface
Face is sent to be formed with multiple openings for capableing of ejecting fluid, to make the film from described defeated by the fluid sprayed from the opening
The state that face floats is sent, the film is continuously conveyed,
The conveyor surface includes:
Curved surface；
Upper plane, it is continuous with the upstream of the curved surface or a side in downstream, on gravity direction upward；
Lower plane, it is continuous with the upstream of the curved surface or the another party in downstream, on gravity direction downward；And
The upstream of the turning-bar is arranged in film feedway,
With in the case where watching the upper plane above gravity direction, the edge of the curved sides of the turning-bar
Portion and an edge part of the film angulation outside the film are greater than the edge of the curved sides of the turning-bar
The mode of another edge part angulation outside the film of portion and the film supplies the film to the turning-bar,
Floatation volume at one edge part of the film conveyed in the upper plane of the turning-bar is greater than
Floatation volume at another edge part described in the film conveyed in the upper plane of the turning-bar.
[2] film conveying device as described in [1],
With regulating roller, the downstream of the turning-bar is set, by adjusting the film sent out from the turning-bar
Conveying direction, make one edge part ratio of the film conveyed in the upper plane of the turning-bar at described turn
The relaxation of another edge part described in the film conveyed in the upper plane of bar.
[3] film conveying device as described in [2],
With conveying direction correcting device, change the conveying direction for the film sent out from the regulating roller.
[4] a kind of film manufacturing method, it includes use film conveying device described in any one of [1]~[3] to convey
The step of film of strip.
Invention effect
It can be on one side the conveying side for the film for changing strip while generation for inhibiting scar in accordance with the invention it is possible to provide one kind
To film conveying device；And the film manufacture of the film of strip can be manufactured while being conveyed in a manner of not generating scar
Method.
Detailed description of the invention
Fig. 1 be show schematically the first embodiment of the present invention is related to film conveying device top view.
Fig. 2 is to show schematically this turn used in first embodiment of the invention from the extending direction of turning-bar
The side view of the case where to bar.
Fig. 3 is the film conveying device for showing schematically an example of the previous film conveying device as not regulating roller
Top view.
Fig. 4 is the top view for showing schematically the film conveying direction in the not previous film conveying device of regulating roller.
Fig. 5 be show schematically the first embodiment of the present invention is related to film conveying device in film conveying direction bow
View.
Fig. 6 is the solid for being schematically illustrated at conveying direction correcting device used in first embodiment of the invention
Figure.
Fig. 7 is the top view for being schematically illustrated at turning-bar used in first embodiment of the invention.
Fig. 8 is the top view for the film conveying device for showing schematically that second embodiment of the present invention is related to.
Fig. 9 is the top view for the film conveying device for showing schematically that third embodiment of the present invention is related to.
Figure 10 is to show schematically to be somebody's turn to do used in third embodiment of the present invention from the extending direction of turning-bar
The side view of the case where turning-bar.
Figure 11 is the film conveying direction showed schematically in film conveying device that third embodiment of the present invention is related to
Top view.
Figure 12 is the top view for the film manufacturing device for showing schematically that the 4th embodiment of the invention is related to.
Specific embodiment
The present invention is described in detail for embodiment and illustrative material described below.But the present invention is not limited to
Embodiment and illustrative material shown in lower, can in the range of not departing from the range and its equivalency range of Patent request of the invention
It arbitrarily changes and implements.
In the following description, " upstream " and " downstream " refers to, unless otherwise specified, means that the conveying direction of film
Upstream and downstream.
In the following description, the direction of element is that " parallel ", " vertical " and " orthogonal " refers to, as long as no especially saying
It is bright, then it may include the error in the range of not damaging effect of the invention, in the range of such as ± 5 °.
In the following description, the conveying direction of film refers to, unless otherwise specified, then it represents that the width direction of film
Midpoint carries out mobile direction.
In the following description, film is unless otherwise specified, then it represents that the film of strip.In addition, the film of strip refers to phase
Film for its width with 5 times or more of length preferably has 10 times or the length more than it, specifically refers to quilt
It is rolled into roll and carries out the film of keeping or the length of degree carried.The upper limit of the length of the film of strip is arbitrary, but can be set
Relative to width to be for example 100000 times or less.
[1. first embodiment]
Fig. 1 be show schematically the first embodiment of the present invention is related to film conveying device 1 top view.In the vertical view
The case where film conveying device 1 from above gravity direction is shown in figure.
As shown in Figure 1, the first embodiment of the present invention is related to film conveying device 1 be film 10 for conveying strip
Device, successively included from upstream film feedway 200, turning-bar 100, as float quantity regulating device regulating roller 300,
And conveying direction correcting device 400.
[1.1. turning-bar 100]
Fig. 2 is the extending direction A showed schematically from turning-bar 100100(referring to Fig.1) of the invention first is observed to implement
Side view used in mode the case where turning-bar 100.
As shown in Fig. 2, turning-bar 100 has the conveyor surface 100S of the lateral surface as the turning-bar 100, being should for edge
The component of conveyor surface 100S continuously transport membrane 10.In the turning-bar 100, the extending direction A of the usual turning-bar 100100With
Horizontal direction parallel it is arranged.
Turning-bar 100 is formed as hollow body, is connected on the end 100E of its extending direction for supplying into hollow body
To the supply pipe (illustration omitted) of fluid.It is supplied in addition, being formed on the conveyor surface 100S of turning-bar 100 to spray
Multiple openings (illustration omitted) of fluid.As fluid, liquid can be used, but usually using gases such as air.Also, this turn
The non-contact shape float film 10 from conveyor surface 100S by the fluid sprayed from the opening is arranged to bar 100
State carrys out transport membrane 10.
The conveyor surface 100S includes: curved surface 110S, for changing the conveying direction of film 10；Upper plane 120S,
It is continuous with the upstream of curved surface 110S or a side in downstream, on gravity direction upward；Lower plane 130S, it is upper with curved surface 110S
The another party in trip or downstream is continuous, on gravity direction downward.
Curved surface 110S is the curved surface of the cylinder shape extended on the extending direction of turning-bar 100.Prolonged with turning-bar 100
Stretching section obtained from the vertical plane cutting curved surface 110S of direction is arcuation.
Upper plane 120S is the plane being smoothly formed continuously relative to curved surface 110S.Upper plane 120S and by putting down on this
The conveying direction of the film 10 of face 120S is set in parallel, in addition, usually with horizontal direction parallel being arranged.In present embodiment
In, the upstream of curved surface 110S is provided with upper plane 120S.
Lower plane 130S is the plane being smoothly formed continuously relative to curved surface 110S.The conveying of lower plane 130S and film 10
Direction is set in parallel, in addition, usually with horizontal direction parallel being arranged.In the present embodiment, in the downstream of curved surface 110S
It is provided with lower plane 130S.
The opening of conveyor surface 100S can be formed in the entirety of conveyor surface 100S.But in order to improve the liquid from opening
The ejection pressure of body, conveyor surface 100S film 10 without part be formed by opening preferably in advance blocking.Therefore, at this
In embodiment, to be said for only foring the turning-bar 100 of opening at the part that the film 10 of conveyor surface 100S passes through
It is bright.
The opening of conveyor surface 100S is with being capable of gap between conveyor surface 100S and film 10 from the fluid that the opening sprays
The mode of flowing is formed.In general, opening shape in a manner of from the fluid that the opening sprays towards the flowing of the opposite side of curved surface 110S
At.Therefore, at upper plane 120S, fluid is as arrow A1From the upward plane 120S flowing of curved surface 110S as shown, pass through
The end 120E of upper plane 120S and be discharged.On the other hand, at lower plane 130S, fluid is as arrow A2As shown from
Curved surface 110S is flowed to lower plane 130S, is discharged by the end 130E of lower plane 130S.The specific shape example of opening
As shape documented by No. 5152477 bulletins of Japanese Patent No. can be used.
[1.2. film feedway 200]
As shown in Figure 1, film feedway 200 is that the upstream of turning-bar 100 is arranged in and is used for 100 delivery film of turning-bar
10 device.The film feedway 200 is arranged to the conveying direction with the film 10 supplied to turning-bar 100 relative to steering
The extending direction A of bar 100100Inclined mode is to 100 delivery film 10 of turning-bar.Here, the conveying direction of film 10 is relative to steering
The extending direction A of bar 100100Inclination indicates extending direction A of the conveying direction of film 10 relative to turning-bar 100100Both not parallel
Also out of plumb.
Therefore, in the case where watching the upper plane 120S of turning-bar 100 above gravity direction, film feedway 200
Angle θ can be pitched with an edge top-crossiGreater than other edge side angle of the crossing θiiMode to 100 delivery film 10 of turning-bar.Here, one
Edge side angle of the crossing θiIt indicates in the case where watching the upper plane 120S of turning-bar 100 above gravity direction, turning-bar 100
The side curved surface 110S edge part 110E and the film 10 in film width direction an edge part 11 angle formed by the outside of film 10
Degree.Here, other edge side angle of the crossing θiiIt indicates the case where watching the upper plane 120S of turning-bar 100 above gravity direction
Under, the edge part 110E of the side curved surface 110S of turning-bar 100 and another edge part 12 of the film 10 in film width direction are in film
10 outside angulations.
In the case where watching the upper plane 120S of turning-bar 100 above gravity direction, the curved surface 110S of turning-bar 100
The edge part 110E of side usually with the extending direction A of turning-bar 100100In parallel.Therefore, when the film 10 supplied to turning-bar 100
Conveying direction is as described above relative to the extending direction A of turning-bar 100100When inclination, an edge top-cross pitches angle θiWith another side
Edge side angle of the crossing θiiRelationship set as described above.Angle θ is pitched using the edge top-crossiWith other side edge side angle of the crossing θii
Relationship indicate by turning-bar 100 film 10 rotation direction.Specifically, pitching angle θ using an edge top-crossiWith it is another
Side edge side angle of the crossing θiiRelationship come the direction for indicating the rotation of film 10 be to the right or to the left.
In order to which as described above to 100 delivery film 10 of turning-bar, in the present embodiment, film feedway 200, which has, to be inhaled
Roller 210.The suction roll 210 is arranged to can be via the turning-bar 210 to 100 delivery film of turning-bar in the positive upstream of turning-bar 100
10。
Suction roll 210 have form it is multiple can be to the circumferential surface 210S for the suction hole (illustration omitted) that film 10 is attracted.
Specifically, suction roll 210 can utilize the mesh phase with the circumference 211 to have the circumference 211 formed by mesh members
When suction hole attract the mode of film 10 to be arranged.In turn, suction roll 210 with for carrying out rotation driving to the suction roll 210
The driving devices such as motor (illustration omitted) connection, side that can be circumferentially rotatable by the driving force of the driving device
Formula setting.Also, suction roll 210 is can be sent film 10 along defined direction by rotating while attracting film 10
Mode out is arranged.In general, film 10 is sent out to the axially vertical direction with suction roll 210.In addition, by making to inhale as described above
Roller 210 rotates while attracting film 10, can provide desired to the film 10 for being fed into turning-bar 100
Power.
The circumferential surface 210S of the suction roll 210 is usually formed by metals such as stainless steel and nickel.As such suction roll 210,
Documented device in such as Japanese Unexamined Patent Publication 2010-173843 bulletin, Japanese Unexamined Patent Publication 7-127631 bulletin can be enumerated.
[1.3. regulating roller 300]
Become the extension relative to turning-bar 100 as described above in the conveying direction of the film 10 supplied to turning-bar 100
Direction A100In inclined situation, if not taking special measure, it is likely that film 10 does not fill at an edge part 11
Ground is divided to float, film 10 and turning-bar 100 contact.When contacting like this, scar is generated on film 10 sometimes.In contrast,
In film conveying device 1 of the present embodiment, in order to make the floatation volume of the film 10 at an edge part 11 sufficiently increase
The generation for inhibiting scar, is provided with as the regulating roller 300 for floating quantity regulating device.
Regulating roller 300 is to be adjusted for the floatation volume to the film 10 conveyed on the upper plane 120S of turning-bar 100
Roller, the downstream of turning-bar 100 is set as shown in Figure 1 in the present embodiment.Here, as shown in Fig. 2, film 10
Floatation volume indicates the distance between upper plane 120S and the film 10 of turning-bar 100 C.
Specifically, regulating roller 300 is with an edge of the film 10 that the upper plane 120S in turning-bar 100 can be made to convey
Floatation volume at portion 11 is greater than the floatation volume at another edge part 12 of the upper plane 120S of turning-bar 100 film 10 conveyed
Mode be arranged.More specifically, regulating roller 300 is arranged in a manner of it can move and can rotate in the horizontal direction, and
It is arranged in a manner of it can adjust the position watched above gravity direction and axial direction.Also, regulating roller 300 is as follows
Be arranged: the conveying direction by adjusting the film 10 sent out from turning-bar 100 makes to convey on the upper plane 120S of turning-bar 100
Film 10 film 10 of the edge part 11 than being conveyed in the upper plane 120 of turning-bar 100 another edge part 12 it is more loose
It relaxes.
In the present embodiment, regulating roller 300 has and forms multiple suction holes that can be attracted film 10 and (do not scheme
Show) circumferential surface 300S.In turn, regulating roller 300 and the driving of motor etc. for carrying out rotation driving to the regulating roller 300 fill
It sets (not shown.) connection, can be arranged by the circumferentially rotatable mode of the driving force of the driving device.Also, it adjusts
Section roller 300 is recycled film 10 by rotating while attracting film 10, therefore is arranged to according to the regulating roller
300 position is adjusted the conveying direction for the film 10 sent out from turning-bar 100 with axial.
Hereinafter, compared with no previous film conveying device as the regulating roller 300 for floating quantity regulating device,
The adjusting for having used regulating roller 300 of the conveying direction for the film 10 sent out from turning-bar 100 is illustrated.
Fig. 3 is the film conveying for showing schematically an example of the previous film conveying device as no regulating roller 300
The top view of device 9.In addition, Fig. 4 is the top view for showing schematically the film conveying direction in film conveying device 9.It bows at these
In view, the case where film conveying device 9 are watched above gravity direction is shown.In addition, in Fig. 4, with arrow A41Indicate to
The conveying direction for the film 10 that turning-bar 100 supplies, with arrow A42Indicate the conveying direction for the film 10 sent out from turning-bar 100.?
In Fig. 4, in order to make it easy to understand, by the slave conveying direction A of the film 10 at turning-bar 10041To conveying direction A42Variation be expressed as
The variation of horn shape, but in fact, since turning-bar 100 has curved surface 110S, thus film 10 at turning-bar 100 from conveying side
To A41To conveying direction A42Variation be usually arcuation variation.
As shown in figure 3, in the previous film conveying device 9 of no regulating roller 300, from the suction roll of film feedway 200
210 supply film 10 to turning-bar 100.Above gravity direction watch in the case where, as shown in figure 4, film 10 usually to
With the axially vertical conveying direction A of suction roll 21041It sends out.
As shown in figure 3, the film 10 of turning-bar 100 is fed into after the conveyor surface 100S along turning-bar 100 is conveyed,
It is sent from the turning-bar 100.By being conveyed like this along the conveyor surface 100S of turning-bar 100, as shown in figure 4, turning-bar 100
Conveying direction A41To conveying direction A42Variation.At this point, film 10 enters turning-bar 100 if watched above gravity direction
Entering angleThe submitting angle being sent with film 10 from turning-bar 100Usually same size.Here, entering angleTable
Show the conveying direction A of the film 10 supplied to turning-bar 10041Relative to the extending direction A with turning-bar 100100Vertical face X institute
At angleIn addition, sending out angleIndicate the conveying direction A for the film 10 sent out from turning-bar 10042Phase
For the extending direction A with turning-bar 100100Vertical face X angulation
Therefore, in the previous film conveying device 9 of no regulating roller 300, if indicated with " 2 × Φ " from gravity direction
The conveying direction A of the film 10 supplied when top is watched to turning-bar 10041With the conveying direction for the film 10 sent out from turning-bar 100
A42The size of angulation is then indicated to send out angle with " Φ "Size.
In contrast, in the film conveying device 1 with regulating roller 300, as shown in Figure 1, regulating roller 300 is adjusted from steering
The conveying direction for the film 10 that bar 100 is sent out.The variation of the conveying direction of film 10 at this time is shown in FIG. 5.
Fig. 5 be show schematically the first embodiment of the present invention is related to film conveying device 1 in film conveying direction
Top view.The case where film conveying device 1 is watched above gravity direction is shown in the top view.In addition, being used in Fig. 5
Arrow A51The conveying direction for indicating the film 10 supplied to turning-bar 100, with arrow A52Indicate the film 10 sent out from turning-bar 100
Conveying direction.In turn, in Fig. 5, the previous film conveying device 9 of no regulating roller 300 is indicated with the arrow of double dot dash line
In slave turning-bar 100 send out film 10 conveying direction A42.In Fig. 5, in order to make it easy to understand, by the film at turning-bar 100
10 slave conveying direction A51To conveying direction A52Variation be expressed as the variation of horn shape, but in fact, since turning-bar 100 has
There is curved surface 110S, so the slave conveying direction A of the film 10 at turning-bar 10051To conveying direction A52Variation be usually arcuation
Variation.
As shown in figure 5, regulating roller 300 is by the conveying direction A for the film 10 sent out from turning-bar 10052It is adjusted to it and sends out angleSize than the submitting angleSize " Φ " it is small.Due in upstream end, film 10 be fettered by suction roll 210, so
If regulating roller 300 is as described above to the conveying direction A of film 1052It is adjusted, then as shown in Figure 1, in the upper of turning-bar 100
Tension decline at one edge part 11 of the film 10 conveyed on plane 120S, and on the upper plane 120S of turning-bar 100
Tension at another edge part 12 of the film 10 of conveying rises.The film conveyed on the upper plane 120S of turning-bar 100 as a result,
Another edge part 12 relaxation of 10 edge part 11 than the film 10 conveyed on the upper plane 120S of turning-bar 100.
There is no the submitting angle of the film 10 in the previous film conveying device 9 of regulating roller 300With with regulating roller 300
The submitting angle of film 10 in film conveying device 1Differential seat angleThe range of (referring to Fig. 5) in the damage for being able to suppress film 10
It is interior to be arbitrarily adjusted.As specific range, the differential seat angleSuch as can be greater than 0 ° and for 5 ° of ranges below into
Row setting.
Due to making 11 pine of an edge part of the film 10 conveyed on the upper plane 120S of turning-bar 100 as described above
It relaxes, can be easy to float and come the power of the fluid ejected since the opening of the conveyor surface 100S formation in turning-bar 100,
So the floatation volume at an edge part 11 can be made to become larger.The floatation volume of one edge part 11 can be able to suppress film
The range of damage is arbitrarily adjusted.In order to effectively inhibit damage, preferably the floatation volume of an edge part 11 is adjusted to separately
Such as 2 times of degree of the floatation volume of one edge part 12.
Film conveying device 1 can have the mechanism of the tension force for carrying out film 10, and 300 conduct of regulating roller can be used
Mechanism for the tension force.For example, having in film conveying device 1 for from suction roll 210 to the conveying path of regulating roller 300
Tension pick-up roller (tension pick up roll) that the tension of film 10 in diameter measures and based on being picked up by the tension
In the case that tension measured by roller to carry out film 10 driven roller (not shown) of feed drive, by the drive for carrying out driven roller
Dynamic control, can be from suction roll 210 to the tension force of progress film 10 on the transport path of regulating roller 300.At this point, as above
Such driven roller is stated, regulating roller 300 is able to use.In addition, if having used in the tension force by tension pick-up roller
The tension of measurement carries out the feedback control of driven roller, then is able to carry out more accurate tension force.In the present embodiment, it shows
It is illustrated by example that tension of the regulating roller 300 to film 10 controlled.
[1.4. conveying direction correcting device 400]
If be adjusted as described above by conveying direction of the regulating roller 300 to film 10, as shown in Figure 1, at this
At the downstream of regulating roller 300, the conveying direction of film 10 may deviate from desired direction.In order to correct such conveying direction
Deviation, preferably film conveying device 1 have conveying direction correcting device 400.Conveying direction correcting device 400 be for changing from
The device of the conveying direction for the film 10 that regulating roller 300 is sent out, such as the device comprising roller can be used.
Fig. 6 is to be schematically illustrated at standing for conveying direction correcting device 400 used in first embodiment of the invention
Body figure.
As shown in fig. 6, conveying direction correcting device 400 successively has deflector roll 410,420,430 and 440 from upstream.
Deflector roll 420 and 430 is arranged in rotating basis 450.In addition, such as arrow A in Fig. 661Shown, rotating basis 450 is arranged
At being capable of upper rotary in the horizontal direction.The revolution is will be by the circular arc centered on the shaft of the axial central portion of deflector roll 420
The revolution of shape.Here, the shaft does not refer to specific component, and refer to center for the revolution to rotating basis 450 into
The meaning of the capable virtual axis for illustrating and showing.By the revolution of rotating basis 450, deflector roll 420 and 430 turns round in linkage, adjusts
Save the angle of the shaft of the deflector roll 420 and 430.Also, it is adjusted by the angle of the shaft to deflector roll 420 and 430, in film
So that the frictional force between film 10 and deflector roll 420 and 430 is generated distribution in 10 width direction, the conveying direction of film 10 is repaired
Just.Therefore, conveying direction correcting device 400 is arranged to be adjusted by the angle of revolution to rotating basis 450, can be by film
10 conveying direction is modified to desired direction.
In addition, the conveying direction correcting device 400 can have the biography appropriate for the conveying direction for being able to detect film 10
Sensor (illustration omitted) and can based on controlled above the conveying direction detected by the sensor conveying direction amendment
The controller (illustration omitted) of device 400.As such conveying direction correcting device 400, such as Nireco company can be used
The controller for centre position (CPC device) of system, marginal position control device (EPC device) etc..
[delivery method that 1.5. has used the film 10 of film conveying device 1]
The first embodiment of the present invention is related to film conveying device 1 have above-mentioned structure.Using film conveying dress
1 is set come in the case where conveying to film 10, as shown in Figure 1, to 200 delivery film 10 of film feedway.Then, the film being supplied to
It is conveyed in the state of 10 tension as defined in being imparted by regulating roller 300 to turning-bar 100.
The film 10 conveyed to turning-bar 100 is on the conveyor surface 100S of turning-bar 100 according to upper plane 120S, curved surface 110S
And lower plane 130S is sequentially supplied.Specifically, film 10 conveys as follows: in the upper plane of turning-bar 100
It is conveyed on 120S, and changes conveying direction and conveying on curved surface 110S, then pass through lower plane 130S.At this point, due to
Fluid is sprayed from the opening that the conveyor surface 100S in turning-bar 100 is formed, so film 10 floats from conveyor surface 100S, therefore not with
Conveyor surface 100S contact.
Fig. 7 is the top view for being schematically illustrated at turning-bar 100 used in first embodiment of the invention.It bows at this
The case where turning-bar 100 are watched above gravity direction is shown in view.In addition, indicating turning-bar with chain-dotted line in Fig. 7
The boundary of the curved surface 110S of 100 conveyor surface 100S and upper plane 120S.
As shown in fig. 7, by the film 10 by conveying in a manner of upper plane 120S by from the conveyor surface in turning-bar 100
Fluid that the opening that 100S is formed sprays and conveyed in the state of floating.On upper plane 120S, fluid from curved surface 110S to
Upper plane 120S flowing is (referring to the arrow A of Fig. 21)。
At this point, in another edge part 12 of film 10, such as arrow A12Shown, fluid is between film 10 and upper plane 120S
Steadily flow.Therefore, another edge part 12 of film 10 can obtain enough buoyancy.
On the other hand, in an edge part 11 of film 10, such as arrow A11It is shown, fluid to film 10 and upper plane 120S it
Between outside be easily discharged.As a result, at an edge part 11 of film 10, it is difficult to obtain enough buoyancy.Therefore, existing
In technology, at an edge part 11 of film 10, since the self weight of film 10 and the effect of tension cause the floatation volume of film 10 to be easy
Become smaller, the result is that film 10 is contacted with the upper plane 120S of turning-bar 100 and is damaged.In addition, if film 10 and turning-bar 100 is upper
Plane 120S contact, then deviate the transfer position of film 10 due to the impact of contact, or is bent film 10.
In contrast, in the present embodiment, it is adjusted by conveying direction of the regulating roller 300 to film 10, upper flat
Another edge part 12 of film 10 of the edge part 11 than conveying in upper plane 120S of the film 10 of face 120S conveying is more loose.
Therefore, at an edge part 11 of film 10, the effect of tension becomes smaller.Even if as a result, from the conveyor surface 100S in turning-bar 100
The buoyancy that the fluid that the opening of formation sprays is assigned is small, and an edge part 11 of film 10 also can substantially float.Therefore, upper
Floatation volume at one edge part 11 of the film 10 conveyed on plane 120S than the film 10 that is conveyed in upper plane 120S another
Floatation volume at edge part 12 is big.Also, since big floatation volume can be obtained like this, so being conveyed on upper plane 120S
When, an edge part 11 of film 10 is difficult to contact with upper plane 120S, thus inhibits damage.In addition, in general, even if as above-mentioned
In the case where so that the floatation volume at an edge part 11 of film 10 is become larger like that, another edge part of film 10 can also ensure that
Floatation volume at 12.For example, passing through of the pressure and film 10 that suitably adjust the fluid sprayed from the opening of turning-bar 100
Power, it can be ensured that the floatation volume at another edge part 12 of film 10.Therefore, two edge parts 11 of film 10 can be substantially ensured
With 12 floatation volume, it is thus possible to effectively inhibit damage.In turn, due to being able to suppress the contact of film 10 with turning-bar 100, institute
The deviation of the transfer position of film 10 as caused by the contact and the bending of film 10 usually can be inhibited.
After having been conveyed on the conveyor surface 100S of turning-bar 100, film 10 as shown in Figure 1 from turning-bar 100 to
Regulating roller 300 is sent out.The film 10 for being transported to regulating roller 300 is recycled by the regulating roller 300.By being conditioned roller 300 like this
Recycling, to carry out the adjusting of the conveying direction for the film 10 sent out from turning-bar 100.
Then, the film 10 for being conditioned the recycling of roller 300 is sent to conveying direction correcting device 400.Then, pass through conveying direction
Correcting device 400 is changed in a manner of making conveying direction become desired direction, and is sent out from film conveying device 1.For example,
Regulating roller 300 and conveying direction correcting device 400 are added in existing equipment and that film of the present embodiment is arranged is defeated
In the case where sending device 1, film 10 usually from film conveying device 1 to addition regulating roller 300 and conveying direction correcting device 400 it
The conveying direction A of preceding film 1042It sends out in (referring to Fig. 4 and Fig. 5) identical direction.
As described above, the film conveying device 1 that first embodiment according to the present invention is related to, is able to suppress turning-bar 100
Upper plane 120S and film 10 contact, therefore the conveying direction of film 10 can be changed while generation on one side inhibit scar.This
Outside, according to above-mentioned film conveying device 1, the deviation of the transfer position of film 10 and the bending of film 10 usually can be inhibited.
In addition, even if making film 10 in the conveying direction for adjusting the film 10 sent out from turning-bar 100 by regulating roller 300
In the case that conveying direction deviates from desired direction, above-mentioned film conveying device 1 can also be corrected by conveying direction and be filled
Set the 400 amendments deviation.Therefore, because the conveying direction for the film 10 that setting is sent out from film conveying device 1 is easy, so especially holding
Easily the conveying direction of film 10 is changed to desired direction.
[2. second embodiment]
The upper plane 120S adjusted using regulating roller 300 in turning-bar 100 is shown in above-mentioned first embodiment
The embodiment of the floatation volume of the film 10 of upper conveying.But the adjusting of the floatation volume of film 10 can may not by regulating roller 300 into
Row, such as turning-bar 100 also can be used in itself to carry out.In this case, turning-bar 100 is sent out as quantity regulating device is floated
Wave function.Hereinafter, being illustrated to the embodiment.
Fig. 8 is the top view for the film conveying device 2 for showing schematically that second embodiment of the present invention is related to.In the vertical view
The case where film conveying device 2 are watched above gravity direction is shown in figure.
As shown in figure 8, the film conveying device 2 that second embodiment of the present invention is related to turns in addition to not having regulating roller 300
Floatation volume tune to bar 100 itself as the floatation volume for adjusting the film 10 conveyed on the upper plane 120S of turning-bar 100
Regulating device and other than functioning, be arranged in the same manner as the film conveying device 1 that first embodiment is related to.
In the present embodiment, turning-bar 100 is arranged in a manner of it can move and can rotate in the horizontal direction, and
The position seen above gravity direction and extending direction A can be adjusted100Mode be arranged.Also, the turning-bar 100
Position and extending direction A100The conveying direction for the film 10 that sent out from the turning-bar 100 can be set as with first in fact
Apply the conveying direction A of the film 10 in mode52(referring to Fig. 5) identical mode is adjusted.Specifically, in the present embodiment, with
In the case where watching the upper plane 120S of turning-bar 100 above gravity direction, an edge top-cross pitches angle θiImplement than first
The small mode of mode adjusts position and the extending direction A of turning-bar 100100。
If the film conveying device 2 being related to using the second embodiment, the film that can be related to first embodiment
Conveying device 1 similarly conveys the film 10 of strip.At this point, it is able to suppress the contact of upper the plane 120S and film 10 of turning-bar 100,
It therefore can be on one side the conveying direction for changing film 10 while generation for inhibiting scar.In addition, according to above-mentioned film conveying device 2,
It usually can obtain the identical advantage of the film conveying device 1 being related to first embodiment.
In addition it is also possible to which setting is used for the tension of film 10 in the film conveying device 2 that the second embodiment is related to
The driven roller (not shown) of control.Such driven roller be generally arranged at turning-bar 100 and conveying direction correcting device 400 it
Between.
[3. third embodiment]
In above-mentioned first embodiment and second embodiment, show on the conveyor surface 100S of turning-bar 100
When transport membrane 10, film 10 is conveyed according to the sequence of upper plane 120S, curved surface 110S and lower plane 130S embodiment party
Formula.But the direction of the conveying of film 10 is not limited to first embodiment and second embodiment, film 10 can also be under
The sequentially-fed of plane, curved surface and upper plane.Hereinafter, being illustrated to the embodiment.
Fig. 9 is the top view for the film conveying device 3 for showing schematically that third embodiment of the present invention is related to.In the vertical view
The case where film conveying device 3 are watched above gravity direction is shown in figure.
As shown in figure 9, the film conveying device 3 that third embodiment of the present invention is related to successively has film supply from upstream
Device 600, turning-bar 500, as the regulating roller 700 and conveying direction correcting device 800 for floating quantity regulating device.
[3.1. turning-bar 500]
Figure 10 is the extending direction A showed schematically from turning-bar 500500(referring to Fig. 9) viewing third of the invention is implemented
Side view used in mode the case where turning-bar 500.
As shown in Figure 10, turning-bar 500 in addition to the film 10 that is conveyed on the conveyor surface 500S of the turning-bar 500 under
Other than the mode of the sequentially-fed of plane 530S, curved surface 510S and upper plane 520S is arranged, and used in first embodiment
Turning-bar 100 be similarly arranged.
Therefore, at the conveyor surface 500S of turning-bar 500, upper plane 520S is continuously formed in the downstream of curved surface 510S,
In addition, lower plane 530S is continuously formed in the upstream of curved surface 510S.In addition, be formed on conveyor surface 500S can spray by
The opening (illustration omitted) of the fluid for supply pipe (illustration omitted) supply being connect with the end 500E of turning-bar 500.Also, turn
It is arranged as follows to bar 500: interstitial flow of the fluid sprayed from the opening between conveyor surface 500S and film 10,
Such as arrow A1And A2It is shown, it is flowed from curved surface 510S upward plane 520S or lower plane 530S, and by the end of upper plane 520S
The end 530E of 520E or lower plane 530S and be discharged.
[3.2. film feedway 600]
As shown in figure 9, film feedway 600 in addition to not to the upper plane 520S delivery film 10 of turning-bar 500 but to
Other than the mode of lower plane 530S delivery film 10 is arranged, with first embodiment used in set in the same manner as film feedway 200
It sets.
Therefore, film feedway 600 has suction roll 610, is formed with multiple suctions that can attract film 10 in its circumferential surface 610S
Pilot hole (illustration omitted), the suction roll 610 have the circumference 611 formed by mesh-shape part.Also, film feedway 600 with
It is rotated while attracting film 10 by the suction roll 610, the film 10 for being supplied to turning-bar 500 so as to one side opposite direction assigns institute
The mode that desired tension is sent out on one side is arranged.
In addition, film feedway 600 be arranged to the conveying direction of the film 10 supplied to turning-bar 500 relative to turn
To the extending direction A of bar 500500Inclined mode is to 500 delivery film 10 of turning-bar.Therefore, film feedway 600 can with
In the case where the upper plane 520S for watching turning-bar 500 above gravity direction, an edge top-cross pitches angle θiGreater than other edge
Side angle of the crossing θiiMode, to 500 delivery film 10 of turning-bar.Here, an edge top-cross pitches angle θiIt indicates from gravity direction
In the case where the upper plane 520S of side's viewing turning-bar 500, edge part 510E and the film 10 of the side curved surface 510S of turning-bar 500
One edge part 11 is in 10 outside angulation of film.In addition, other edge side angle of the crossing θiiIt indicates above gravity direction
In the case where the upper plane 520S for watching turning-bar 500, the edge part 510E of the side curved surface 510S of turning-bar 500 is another with film 10
One edge part 12 is in 10 outside angulation of film.
[3.3. regulating roller 700]
As shown in figure 9, the direction of the conveying direction for the film 10 that regulating roller 700 is adjusted except through regulating roller 700 and first
Other than embodiment is different, it is arranged in the same manner as first embodiment.The direction of the conveying direction of the film 10 is from turning-bar
The direction of the conveying direction of 500 films 10 sent out.In order to adjust the floating of the film 10 conveyed on the upper plane 520S of turning-bar 500
Amount is played, the direction of the conveying direction of the film 10 is adjusted by regulating roller 700.
Hereinafter, being said to the adjusting for having used regulating roller 700 of the conveying direction for the film 10 sent out from turning-bar 500
It is bright.
Figure 11 is the film conveying direction showed schematically in film conveying device 3 that third embodiment of the present invention is related to
Top view.The case where film conveying device 3 are watched above gravity direction is shown in the top view.In addition, being used in Figure 11
Arrow A111The conveying direction for indicating the film 10 supplied to turning-bar 500, with arrow A112Indicate the film 10 sent out from turning-bar 500
Conveying direction.In turn, in Figure 11, the previous film conveying device of no regulating roller 700 is indicated with the arrow of double dot dash line
In, from turning-bar 500 send out film 10 conveying direction A113.In addition, being indicated and turning-bar 500 in Figure 11 with symbol X
Extending direction A500Vertical face.In Figure 11, in order to make it easy to understand, by the slave conveying direction of the film 10 at turning-bar 500
A111To conveying direction A112Variation be expressed as the variation of horn shape, but in fact, since turning-bar 500 has curved surface 510S, institute
With the slave conveying direction A of the film 10 at turning-bar 500111To conveying direction A112Variation be usually arcuation variation.
As illustrated in the first embodiment, in the previous film conveying device of no regulating roller 700, lead to
Often, if watched above gravity direction, film 10 enters the entering angle of turning-bar 500 and film 10 is sent from turning-bar 500
Submitting angle be usually same size (referring to entering angle shown in Fig. 4With submitting angle).Therefore, in no regulating roller
In 700 previous film conveying device, if indicate to watch above gravity direction with " 2 × Φ ", supplied to turning-bar 500
Film 10 conveying direction A111With the conveying direction A for the film 10 sent out from turning-bar 500113The size of angulation, then use
" Φ " indicates to send out the size at angle.
In contrast, as shown in figure 11, the film 10 that regulating roller 700 of the present embodiment will be sent out from turning-bar 500
Conveying direction A112It is adjusted to it and sends out angleSize than sending in the previous film conveying device of no regulating roller 700
The size " Φ " of angle of departure is big.As a result, as shown in figure 9, on the film 10 conveyed on the upper plane 520S of turning-bar 500, a side
Tension decline at edge 11, and the tension at another edge part 12 rises.Therefore, in the same manner as first embodiment,
One edge part 11 of the film 10 conveyed on the upper plane 520S of turning-bar 500 is than the film that conveys on the upper plane 520S
10 another edge part 12 relaxation.Thereby, it is possible to so that the film 10 conveyed on the upper plane 520S an edge part
Floatation volume at 11 mode bigger than floatation volume at another edge part 12 of the film 10 of the upper plane 520S conveying carries out
It adjusts.
There is no the submitting angle of the film 10 in the previous film conveying device of regulating roller 700 and has the film of regulating roller 700 defeated
Send the submitting angle of the film 10 in device 3Differential seat angle(referring to Fig.1 1) can be in the range for the damage for being able to suppress film 10
It is interior to be arbitrarily adjusted.As specific range, the differential seat angleSuch as 0 ° can be greater than and carried out for 5 ° of ranges below
Setting.
[3.4. conveying direction correcting device 800]
As shown in figure 9, conveying direction correcting device 800 is same as first embodiment can correct from regulating roller 700
The conveying direction of the film 10 of submitting and the mode of the deviation in desired direction are arranged.
[delivery method that 3.5. has used the film 10 of film conveying device 3]
The film conveying device 3 that third embodiment of the present invention is related to has above-mentioned structure.Using film conveying dress
3 are set come in the case where conveying to film 10, as shown in figure 9, to 600 delivery film 10 of film feedway.Film 10 and first is implemented
Mode equally be conditioned roller 700 impart as defined in conveyed to turning-bar 500 in the state of tension.
The film 10 conveyed to turning-bar 500 is on the conveyor surface 500S of turning-bar 500 according to lower plane 530S, curved surface 510S
And the sequentially-fed of upper plane 520S.At this point, being adjusted by conveying direction of the regulating roller 700 to film 10, thus upper
Another edge part 12 of film 10 of the edge part 11 than conveying in upper plane 520S of the film 10 of plane 520S conveying is more loose
It relaxes.Therefore, the floatation volume in the same manner as first embodiment, at an edge part 11 of the film 10 conveyed on upper plane 520S
Greater than the floatation volume at another edge part 12 of the film 10 conveyed on upper plane 520S.Also, due to that can obtain like this
To big floatation volume, so one edge part 11 of film 10 is difficult to contact with upper plane 520S in upper plane 520S conveying, from
And inhibit damage.
Hereafter, film 10 is sent out from turning-bar 500 to regulating roller 700, and is sent to conveying direction amendment dress via regulating roller 700
Set 800.Then, in the same manner as first embodiment, by conveying direction correcting device 800 so that conveying direction becomes desired
The mode in direction be modified, and sent out from film conveying device 3.
As described above, the film conveying device 3 that third embodiment according to the present invention is related to, it can be with first embodiment
The film conveying device 1 being related to is similarly on one side the conveying direction for changing film 10 while generation for inhibiting scar.In turn, according to this hair
The film conveying device 3 that bright third embodiment is related to can obtain the excellent of the film conveying device 1 being related to first embodiment
The identical advantage of point.
[4. the 4th embodiment]
In general, having used the conveying of the film of above-mentioned film conveying device is implemented in the film manufacturing method of the film of manufacture strip
's.Therefore, film manufacturing method of the invention includes the step of conveying the film of strip using above-mentioned film conveying device.
As film manufacturing method as described above, it can enumerate and for example obtain strip comprising being formed the material of film
The process of film and conveyed using film conveying device obtained film process film manufacturing method.In such film manufacturer
In method, it can be directed at the film produced while inhibiting the generation of scar and conveyed and recycled.
In addition, can enumerate for example as film delivery method as described above comprising being grown using film conveying device to conveying
The process of the film of item and the film of the conveying is implemented working process appropriate process film manufacturing method.In such film
In manufacturing method, the film prepared to provide to working process can be transported to processing while inhibiting the generation of scar
Device, and carry out working process appropriate.Hereinafter, the embodiment to the film manufacturing method is illustrated.
Figure 12 is the top view for the film manufacturing device 4 for showing schematically that the 4th embodiment of the invention is related to.It bows at this
In view, the case where film manufacturing device 4 are watched above gravity direction is illustrated.
As shown in figure 12, the film manufacturing device 4 that the 4th embodiment of the invention is related to has same with first embodiment
The film conveying device 1 of arrangement of sample plot and the stretching device of the processing unit (plant) as the downstream that the film conveying device 1 is arranged in
900。
Stretching device 900 is for the film 10 supplied from the conveying direction correcting device 400 of film conveying device 1 and to this
Film 10 implements the device of the stretch processing as working process.As such stretching device 900, such as stenter dress can be enumerated
It sets.Tenter frame apparatus be with the clip that can be grasped to the both ends of the width direction of film 10, can be by with the clip
Membrane 10 and the device for carrying out the stretch processing of the film 10.
In the film manufacturing method for having used the film manufacturing device 4, on one side according to film conveying device 1 and stretching device
900 sequentially-fed film 10 implements stretch processing to the film 10 on one side.The film manufacturing method includes to use film conveying device as a result,
The step of the step of 1 transport membrane 10 and use stretching device 900 implement stretch processing to the transported film 10.At this point, logical
1 transport membrane 10 of film conveying device is crossed, the conveying direction of the film 10 can be changed into desired direction, therefore even if can
There is the factory of limitation in the place that manufacturing equipment is arranged, can also implement film manufacturing method.Further, since having used film conveying dress
1 is set, so the conveying direction of film 10 can be changed while inhibiting the generation of scar, and then can be obtained and the first embodiment party
The identical advantage of formula.
Film manufacturing device 4 as described above can be by having such as turning-bar 100, film feedway 200 and drawing
Stretch the regulating roller 300 for being provided as floating quantity regulating device in the existing equipment of device 900 and conveying direction correcting device 400
It realizes.At this point, since there are conveying direction correcting devices 400, so the conveying direction for the film 10 sent out from film conveying device 1 can
Not change compared with existing equipment.As a result, as not needing the position tune of the existing apparatus as stretching device 900
Section, so being readily applied to existing equipment.Further, since being able to suppress the conveying of film 10 by conveying direction correcting device 400
The variation of position, so in the case where using tenter frame apparatus as stretching device 900, it can be steady by the clip of left and right
Surely film is grasped.
[5. variation]
Above, embodiments of the present invention are illustrated, but the present invention is not limited to above-mentioned embodiment,
It can also further change and implement.
For example, it is also possible to as third embodiment according to turning-bar 500 lower plane 530S, curved surface 510S and
The sequence of upper plane 520S is come in the embodiment of transport membrane 10, similarly to the second embodiment, without using regulating roller 700
Use turning-bar 500 as floating quantity regulating device.Specific example is enumerated, by watch turning-bar above gravity direction
In the case where 500 upper plane 520S, an edge top-cross pitches angle θiThe mode smaller than third embodiment adjusts turning-bar 500
Position and extending direction A500, inhibit scar so as to make the floatation volume of the film 10 at an edge part 11 sufficiently become larger
Generation.
In addition, can also for example be come in the above-described embodiment using the device comprising the device other than suction roll
As film feedway.The specific structure of film feedway is arbitrary, but be preferably able to the film feedway upstream and
The structure that the tension of film 10 is cut down at downstream.For example, film 10 can be sandwiched and cut down its tension using having
Roll (nip roll) film feedway.
In turn, for example, in the fourth embodiment, working process is also possible to the processing other than stretch processing.As adding
Work processing specific example, can enumerate laminating process, cutting process, coating processing, batch processing etc..
[6. film]
For the conveying carried out by above-mentioned film conveying device, arbitrary film can be used.It wherein, because can be effectively
Using can effectively inhibit to damage this effect, it is advantageous to use scar to influence big coated film and print film etc. on film quality
Surface Treated Films；Resin film etc. is easy impaired film.
Because damage can be effectively inhibited as described above, as film, particularly preferably with the light of high transparency
Learn film.The full light transmittance of optical mode is preferably 80% or more, and more preferably 85% or more, particularly preferably 90% or more.
UV visible light spectrophotometer can be used to be measured in the range of wavelength 400nm~700nm for full light transmittance.This
Outside, the haze value of optical film is preferably 5% hereinafter, more preferably 3% hereinafter, particularly preferably 1% hereinafter, preferably 0%.?
This, haze value can be used according to JIS K7361-1997, use Japanese electricity Se industrial group system " nephelometer NDH-300A ", measurement
5 positions, the average value then found out.
The thickness of film can arbitrarily be set according to the purposes of film, and preferably 1 μm or more, more preferably 5 μm or more are especially excellent
10 μm or more, preferably 1000 μm are selected as hereinafter, more preferably 300 μm hereinafter, particularly preferably 100 μm or less.
Description of symbols
1,2,9: film conveying device；
10: film；
11: an edge part of film；
12: another edge part of film；
100,500: turning-bar；
100S, 500S: the conveyor surface of turning-bar；
100E, 500E: the end of the extending direction of turning-bar；
110S, 510S: the curved surface of turning-bar；
110E, 510E: the edge part of the curved sides of the turning-bar above gravity direction in the case where the upper plane of viewing；
120S, 520S: the upper plane of turning-bar；
120E, 520E: the end of upper plane；
130S, 530S: the lower plane of turning-bar；
130E, 530E: the end of lower plane；
200,600: film feedway；
210,610: suction roll；
211,611: the circumference of suction roll；
210S, 610S: the circumferential surface of suction roll；
300,700: regulating roller；
300S: the circumferential surface of regulating roller；
400,800: conveying direction correcting device；
410,420,430 and 440: deflector roll；
900: stretching device.
Claims (4)
1. a kind of film conveying device is used to convey the film of strip, comprising:
Turning-bar, with conveyor surface, the conveyor surface is formed with multiple openings for capableing of ejecting fluid, by opening from described
Mouthful fluid sprayed and the state that floats the film from the conveyor surface, continuously convey the film, the conveyor surface includes:
Curved surface；Upper plane, it is continuous with the upstream of the curved surface or a side in downstream, on gravity direction upward；Lower plane, with institute
Another party of the upstream or downstream of stating curved surface is continuous, on gravity direction downward；And
The upstream of the turning-bar is arranged in film feedway, in the feelings for watching the upper plane above gravity direction
Under condition, the edge part of the curved sides of the turning-bar and an edge part of the film angulation outside the film
Greater than the edge part of the curved sides of the turning-bar and another edge part of the film outside the film formed by angle
The mode of degree supplies the film to the turning-bar,
Floatation volume at one edge part of the film conveyed in the upper plane of the turning-bar is greater than in institute
State the floatation volume at another described edge part of the film conveyed in the upper plane of turning-bar.
2. film conveying device as described in claim 1,
With regulating roller, the downstream of the turning-bar is set, by adjusting the defeated of the film sent out from the turning-bar
Direction is sent, makes one edge part ratio of the film conveyed in the upper plane of the turning-bar in the turning-bar
The upper plane on convey the film another described edge part relaxation.
3. film conveying device as claimed in claim 2,
With conveying direction correcting device, change the conveying direction for the film sent out from the regulating roller.
4. a kind of film manufacturing method, it includes use film conveying device described in any one of claims 1 to 33 to convey length
The step of film of item.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-178462 | 2016-09-13 | ||
| JP2016178462 | 2016-09-13 | ||
| PCT/JP2017/031436 WO2018051805A1 (en) | 2016-09-13 | 2017-08-31 | Film conveyance device and film manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109328174A true CN109328174A (en) | 2019-02-12 |
| CN109328174B CN109328174B (en) | 2021-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780037331.4A Active CN109328174B (en) | 2016-09-13 | 2017-08-31 | Film conveying device and film manufacturing method |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP6984605B2 (en) |
| KR (1) | KR102391419B1 (en) |
| CN (1) | CN109328174B (en) |
| TW (1) | TWI795366B (en) |
| WO (1) | WO2018051805A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6626158B2 (en) * | 2018-06-11 | 2019-12-25 | 日東電工株式会社 | Laminating device with shielding member |
| EP3829871A4 (en) | 2018-10-29 | 2022-03-23 | Hewlett-Packard Development Company, L.P. | Web shift compensation |
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- 2017-08-31 WO PCT/JP2017/031436 patent/WO2018051805A1/en active Application Filing
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| CN102803109A (en) * | 2010-02-12 | 2012-11-28 | 株式会社尼康 | Processing device and transfer device for a strip-shaped sheet substrate |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2018051805A1 (en) | 2019-06-27 |
| KR102391419B1 (en) | 2022-04-26 |
| JP6984605B2 (en) | 2021-12-22 |
| KR20190045090A (en) | 2019-05-02 |
| TW201811653A (en) | 2018-04-01 |
| TWI795366B (en) | 2023-03-11 |
| CN109328174B (en) | 2021-07-30 |
| WO2018051805A1 (en) | 2018-03-22 |
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