JP2003251594A - Strip-like sheet cutter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve such problems that stamping dents by a blade are formed on a strip-like sheet in a normal operating condition and the commercial value is degraded in a known strip-like sheet cutter to cut the strip-like sheet by a blade provided on an outer circumferential surface of a base roll. <P>SOLUTION: The strip-like sheet cutter comprises a base roll 4 over which the strip-like sheet S is stretched and transferred, a first blade 5 provided on the base roll 4, and a second blade 6 installed close to an outer circumferential surface 41 of the base roll. The first blade 5 is installed in a displaceable manner between the accommodation position at which the blade is retracted into the base roll 4 and the cutting position at which the blade is protruded to the position in contact with the second blade 6 from the outer circumferential surface 41 of the base roll, and has a blade displacement operating device 7 to displace the first blade 5 between the accommodation position and the cutting position. Stamping dents of the blade on the strip-like sheet can be prevented by protruding the first blade 5 from the outer circumferential surface 41 of the base roll only when cutting the strip-like sheet S. <P>COPYRIGHT: (C)2003,JPO

Description

DETAILED DESCRIPTION OF THE INVENTION [0001] [0001] The present invention relates to paper, non-woven fabric and pulp.
Continuous, such as a plastic sheet or glass fiber sheet
The non-stop banded sheet is fed to the specified length
Cutting device for strip cutting, especially continuous
Driving belt-type sheet processing machines (for example, belt-type sheet winding machines,
For band-shaped sheet cutting device applied to band-shaped sheet folding machine)
It is about. [0002] 2. Description of the Related Art
As a typical example of a sheet processing machine, non-stop strip-shaped sheets
There is a continuous operation type belt-shaped sheet winding machine that winds the sheet. This ream
The continuous operation strip-type sheet winder is connected to the strip-type sheet supply source.
The continuous feeding of the belt-shaped sheet is a predetermined length around the winding shaft.
A continuous strip at (or immediately before) the time of winding
Cut the sheet and attach the starting end of the cut
So that the next winding operation is performed
It has become. [0003] By the way, a continuous operation type sheet-like sheet winding machine.
Conventionally, there is a turret type winder shown in FIG.
You. The turret type winder shown in FIG.
Of a plurality of (two in the illustrated example) arms 101, 101
The winding shaft T at each end₁, T_TwoRemovably mounted, winding position
Around the reel at the position (left reel part)
Winding while holding the belt-shaped sheet S with the touch roll 102
I am trying to. Then, as shown in FIG.
And the winding shaft T₁Sheet S is wound up to just before full winding
When the sheet winding body R is formed, the winding operation is performed.
While continuing, the arms 101, 101 turn left, and the winding shaft T
₁At the same time, the sheet winding body R is in the lower position shown in FIG.
After the setting, as shown in FIG.
°, while the next reel T
_TwoMoves to the winding position. Then, as shown in FIG.
Thus, the winding shaft T at the winding position_TwoAnd between the rolled sheet R
The belt-shaped sheet S 'provided is wound around the winding shaft T by the cutter 103.
_Two, And the starting end of the succeeding belt-shaped sheet S is
Axis T_TwoAnd the next winding operation is performed. Again
Is the wound right sheet roll R the end of the arm 101?
Removed, and the next reel is attached to it.
To roll up the belt-shaped sheet S non-stop
ing. By the way, a turret type winding shown in FIG.
In the machine, the sheet winding body R is positioned at the winding position (the left side in FIG. 14A).
Position) to the opposing position (the right position in FIG. 14C).
While turning, the touch roll 102 and the sheet winding body R
During this time, extra tension is generated due to the turning speed. This and
And the belt-shaped sheet S is made of, for example, tissue paper or nonwoven fabric.
For non-woven sheets such as these, the web
Light troubles that cause slight width shrinkage due to force
Needless to say, the band-like sheet is made of, for example, a glass fiber sheet (glass fiber).
In the case of a cross sheet in which fibers are woven vertically and horizontally,
If extra tension is generated in the running direction of the
The fibers oriented in the sheet width direction may meander. So
Then, the blade 103 is directly attached to the belt-like sheet in a state where the fibers are distorted.
When pressed in a linear fashion, the fibers oriented in the sheet width direction
Will be divided into numbers. In this way, in the sheet width direction
When the facing fiber is split into multiple pieces, the split fibers
G from the cutting end surface and become easy to separate.
If the product is caught by the
Or cause a bull. In addition, the band-shaped sheet is a blade 10
At the moment of cutting at step 3, the start end of the belt-shaped sheet is
It is stuck on the outer surface of the shaft, but the beginning of the belt-shaped sheet is distorted.
Since it is wound around the winding shaft as it is, the distortion (sheet width direction
Before the natural meandering state of the fiber)
It takes a considerable amount of time, during which time the winding side of the belt-shaped sheet
Distortion remains in the specified length of the
Problem). [0005] For these reasons, the glass fiber sheet
Winding a strip-like sheet (cross sheet) in continuous operation
In general, the method shown in FIG.
Was. That is, in the conventional belt-shaped sheet winding machine shown in FIG.
A cutting device 203 is provided immediately before the winding position.
Immediately before the holder 203, the belt-like sheet S can be temporarily stored.
A cumulator 204 is provided. Cutting device 203
Moves the blade down by an air cylinder in the illustrated example
The belt-shaped sheet is manually
It may be cut. In addition, the winding part of the belt-shaped sheet
The same one as in FIG. 14 is employed. [0006] In the belt-shaped sheet winding machine shown in FIG.
From the supply source (left side in FIGS. 15A to 15C).
The sheet S is supplied non-stop and shown in FIG.
As shown in FIG.₁Strip around the
Accumulator until the winding S is fully wound
204 is stopped. Then, at the winding position, the winding shaft
T₁The sheet S is wound up to the full state around
And the vertical interval of the accumulator 204 gradually increases.
Strip sheet S supplied from the strip sheet supply source there
And transfer of the belt-shaped sheet after the cutting device 203
To stop. Next, as shown in FIG.
The belt-like sheet S 'in the state is cut by the cutting device 203 (or
Cut with a knife). At the time of this cutting,
Performing with the front and rear belt-shaped sheets held down will help
Can be cut linearly. Next, the arms 101, 101 are turned left
Turn the reel T₁Together with the rolled sheet R in FIG.
Move from the winding position to the position of 180 ° as shown in (C).
While the next reel T_TwoTo the winding position
To move. Then, the band cut by the cutting device 203
The winding end T at the winding position by manually setting the start end Sb of the sheet-like sheet_Two
To the leading end Sb of the belt-shaped sheet,_TwoOuter surface of
To stick. Then, the winding shaft T_TwoWhen you rotate
To stop the extension of the accumulator 204
Then, the next winding operation is started. The next winding operation
After the start of the feeding, the feeding speed from the belt-shaped sheet
Adjusting (slowing) between the top and bottom of the accumulator 204
The gap is gradually reduced. By the way, in the conventional example of FIG.
By using the mullator 204, the band-shaped sheet S '
When the transfer is stopped (the belt-shaped sheet S 'is distorted due to tension).
The belt-shaped sheet S 'can be cut off.
And the band-shaped sheet is a cloth sheet made of glass fiber.
However, the belt-shaped sheet S ′ is flat with the fiber oriented in the sheet width direction.
It can be cut into straight lines. However, this figure
In the fifteen conventional examples, the accumulator 204 is required.
Therefore, it is disadvantageous in terms of equipment cost and installation space.
At the same time, rewind the start end of the subsequent belt-shaped sheet manually.
Must be performed in the
In addition to the problem of being bound,
During the winding operation of the sheet start end, the winding operation of the belt-shaped sheet
The problem that the winding efficiency is reduced because the work is interrupted
There was also a title. FIGS. 16 and 17 show a band-shaped sheet winding.
In the take-off machine, the cutting of the belt-shaped sheet S is performed on the outer peripheral surface of the roll.
An example of the related art is shown. This band-shaped sheet winding
The cutting device 303 of the take-up machine winds and transports the belt-shaped sheet S.
Base roll 304 and the outer periphery of the base roll 304
First knife (anvil knife) 305 fixed to surface 341
And a second blade installed near the base roll outer peripheral surface 341
(Blade knife) 306. 1st knife
305, the cutting edge is from the outer peripheral surface 341 of the base roll.
Attach it in a slightly protruding state (about 0.5 to 1 mm).
Have been. The second blade 306 includes a mounting table (roll) 361.
And usually does not contact the first blade 305.
Has been evacuated to a new location. [0009] The belt-shaped sheet winding machine shown in FIG.
A belt-like sheet continuously supplied from a supply source (the left side of FIG. 16)
Roll S around various rolls and base roll 304
And then the winding shaft T at the winding position₁Like winding around
ing. Then, the belt-shaped sheet S is wound at the winding position.
Axis T₁When it is wound up to just before the full
Upon receiving the count-up signal from the detector to be detected,
The mount (roll) 361 of the two blades 306 is turned to the cutting position.
To move the base roll 30 to the second blade 306 at the cutting position.
4 when the first blades 305 meet, the distance between the two blades 30
At 5,306, the belt-shaped sheet S is cut.
You. In addition, the starting end of the cut strip-shaped sheet is
Empty reel T as in the preferred embodiment_TwoWrapped around
You. [0010] The belt-shaped conventional example shown in FIGS.
In the sheet cutting device 303, the band-shaped sheet S is
So that it is held by the outer peripheral surface 341 of the
, Distortion occurs in the strip-shaped sheet S to be cut.
Is in a stable state without producing
Even a cloth sheet made of glass fiber,
G is cut in a straight line parallel to the fiber oriented in the sheet width direction.
Can be However, this conventional example of strip-shaped sheet cutting
In the cutting device 303, as shown in FIG.
Is always younger than the outer peripheral surface 341 of the base roll 304.
Since it protrudes only by the dry height (about 0.5 to 1 mm),
Belt-like sheet that is wound around the outer surface 341 of the roll and transferred.
Each time the first blade 305 goes around, the first blade
It is embossed in a chevron with the edge of. Therefore, the embossed part
It remains on the strip-shaped sheet S as streaky traces Sc, and the appearance is poor.
(Product value is reduced).
The band-shaped sheet cutting device shown in FIGS. 16 and 17 is an example.
For example, a strip of material that does not easily leave embossing marks such as nonwoven fabric
Fine paper that is applied to the sheet but has a relatively "waist"
And the above-mentioned glass fiber sheet strip-shaped sheet cutting device and
Therefore, the above-mentioned embossing marks are left unsuitable. [0011] The present invention is directed to the above-described conventional belt-shaped sheet.
In view of the problem of the cutting device, the cutting device shown in FIGS.
The advantage of the placement (that it can be cut on the outer peripheral surface of the base roll).
It can eliminate its drawbacks (points where embossing marks remain) while maintaining
It is intended to be. [0012] The present invention solves the above problems.
The means for solving the problem has the following configuration. [0013] The present invention relates to a continuously supplied strip-shaped sheet.
Strips for cutting non-stop pieces at predetermined lengths.
It is intended for heat cutting equipment. The belt-shaped sheet of the present application
The cutting device is continuously supplied from the belt-shaped sheet supply source
Non-stop winding or folding of belt-shaped sheets
Used in continuous-operation strip-type sheet processing machines that perform
It is. The strip-shaped sheet cutting apparatus according to the present invention is a strip-shaped sheet cutting apparatus.
And a base roll for winding and transporting
And the first blade provided on the outer peripheral surface of the base roll.
And a second blade installed. The first knife is
It is installed linearly parallel to the base roll axis. The first blade is completely immersed in the base roll.
Storage position, and the blade edge is the second blade from the outer peripheral surface of the base roll.
Displaceable between the cutting position that protrudes to the position where it touches the object
It is installed in. The first blade is operated by a blade displacement operating device.
So that it can be displaced between the storage position and the cutting position.
I have to. The blade displacement operating device is a belt-shaped sheet.
Is issued when the specified length is supplied.
The first blade from the retracted position to the cutting position
Immediately after it is displaced and meets the second blade, the storage position
It is operated to return to. The above-mentioned count-up signal is output from the belt-shaped sheet.
Detector for detecting feed length (for example, wrapping a belt-like sheet
From the counter that counts the number of roll rotations
Can be In the present application, the second blade is a base roll.
At a position close to the outer peripheral surface, the
It may be fixed at a cutting position where it can come in contact with one blade
Or separated from the cutting position and the outer peripheral surface of the base roll.
(Without contact with the first blade)
You may make it do. Then, the second blade is moved to the above cutting position.
When the second cutter is fixed to the base roll,
Without contacting the belt-shaped sheet that is wound around
As close as possible, while holding the second knife at the cutting position
When displacing between the retracted position and the retracted position,
It is operated to the cutting position in accordance with the protruding operation. The strip-shaped sheet cutting apparatus of the present invention is a continuous operation type.
Sheet processing machine (band sheet winding machine and band sheet folding machine)
Tatami machine), a sheet-like sheet supply source and a
It is installed between the sheet processing unit (winding unit and folding unit).
In the following description, a belt-like sheet processing machine is used as a belt-like sheet processing machine.
The following description is based on the use of a take-up winding machine.
According to the sheet winding state (the fully wound sheet retracts
After that, empty reels are automatically supplied sequentially. [0020] A band using the band sheet cutting apparatus of the present invention.
In the sheet winding machine, the sheet is continuously supplied from the belt-shaped sheet supply source.
Rolled sheet and various rolls and base roll outer surface
To the take-up section via the
Is to be wound up non-stop. This belt
During the take-up operation, the first blade is submerged in the base roll.
There is no protrusion on the outer surface of the base roll,
Therefore, the belt-shaped sheet conveyed by being wound around the outer peripheral surface of the base roll
There is no trace on the seat. Then, the belt-shaped sheet is fixed at the winding section.
When it is wound by the length (actually immediately before the full state),
Count-up signal from the detector that detects
The signal causes the blade displacement operating device to operate, causing the first blade to move.
Displaced to a cutting position slightly protruding from the outer peripheral surface of the base roll
Let it. At this time, it is wound around the outer peripheral surface of the base roll.
The belt-shaped sheet is pushed up in a chevron at the cutting edge of the first blade.
In the case where the second blade is waiting at the retracted position,
The two blades are also displaced to the cutting position. And the first blade is
Rotating with the roll, the first blade becomes the second blade
When they meet (the blade edges touch each other), the strip
The sheet is cut linearly on the outer peripheral surface of the base roll. In addition, the end portion of the cut preceding belt-shaped sheet.
Is wound around the outer periphery of the sheet roll as it is,
The start end of the side belt-shaped sheet is the empty spool supplied to the winding section.
It is wound around the outer circumference, and the next winding operation is non-stop
Done. [0023] As described above, the strip-shaped sheet cutting of the present invention is performed.
In the device, the first blade is moved to the base
Can be made to protrude from the outer peripheral surface of the tool. Soshi
During the band-like sheet winding operation, the first blade is
Cutting the belt-shaped sheet that is immersed in the roll from the outer peripheral surface
Only when the first blade protrudes from the outer peripheral surface of the base roll
Swelling. Therefore, in the strip-shaped sheet cutting apparatus of the present invention,
With the belt-shaped sheet held on the outer peripheral surface of the base roll,
Since it can be cut, the belt-shaped sheet is kept in a stable state (do not apply tension).
Can be cut reliably. Also, a belt-like sheet is an example.
Relatively tough woven sheet such as glass fiber sheet
Even when cut in a straight line parallel to the fiber oriented in the width direction
And the fiber waste does not separate from the cutting edge. In addition,
During normal processing of the sheet (for example, during winding), the first blade is
Immersed in the base roll.
There is no origin), so a belt-shaped sheet on the outer peripheral surface of the base roll
Even if the cutting device is of the type that cuts
No processing marks are left on the sheet by the blade
Has the effect of improving the quality of the
You. [0025] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring now to FIGS.
To illustrate some embodiments of the application, FIGS.
1st Embodiment, FIGS. 10 to 11 show a second embodiment, FIG.
2 to 13 show a belt-shaped sheet cutting device according to a third embodiment.
It is shown. In each of the embodiments, the strip-shaped sheet cutting is performed.
The winding device is used to wind the strip-shaped sheet by a predetermined length.
Machine, but in other embodiments, the strip
The cutting device folds the band-shaped sheet zigzag by a predetermined length.
Can also be used for folding machines.First embodiment In the first embodiment shown in FIG.
A belt-shaped sheet cutting device 3 is installed between
You. In this embodiment, the belt-like sheet supply source 1 is
Uses a large-diameter raw roll wound around the belt-shaped sheet S
However, in other embodiments, the belt-shaped sheet supply source 1
Strip-shaped sheet manufacturing machine that continuously supplies sheets S while manufacturing them
Can also be adopted. The winding device 2 has a winding shaft T₁, T_TwoThe turret
The take-up operation can be performed non-stop by swiveling in a formula
We have adopted something like that. This winding device 2
As shown in FIGS. 1, 6 and 9,
180 ° intervals at both left and right ends of the base shaft 21
Each arm extending outward (called a fixed arm) 2
2 and 22, each fixed arm 22,
Attach auxiliary rollers 23, 23 between the tips of 22 and fix each
The bases of the swing arms 24, 24 are attached to the arms 22, 22, respectively.
Ends are pivotally attached to the ends of the swing arms 24, 24.
Each winding shaft T₁, T_TwoCan be attached detachably,
Auxiliary rollers 25,
25, and each swing arm 24, 24 is
So that it can be swung by the cylinders 26 and 26.
You. In this winding device 2, the left side position in FIG.
It becomes the main winding unit. The base shaft 21 is wound around the winding shaft at the winding section.
When the belt-shaped sheet is wound up to near full winding,
From the state, slowly rotate by 180 ° as shown in FIG.
It can be turned over. Attached to the tip of each swing arm 24, 24
Each reel T₁, T_TwoIs the belt-like sheet supply source during winding.
Rotating at a peripheral speed equal to the belt-like sheet feeding speed from 1
I'm sullen. Air cylinder 26 for swing of swing arm 24
As shown in FIG. 6 or FIG.
Shaft (T₁, T_Two) Is a position close to a delivery roll 8 described later.
From the belt-shaped sheet wound around the outer peripheral surface of the transfer roll 8
To make contact with the In addition, as shown in FIG.
To an empty reel (T₁, T_TwoAdhesive tape U is stuck on the outer surface of)
The winding shaft is swung to the delivery roll 8 side.
, The trailing-side belt-like sheet obtained by cutting the adhesive tape U of the winding shaft.
Contacting the vicinity of the start end Sb of the belt-shaped sheet,
The portion Sb can be attached to the outer peripheral surface of the winding shaft. The strip-shaped sheet cutting device 3 includes a base roll 4
And the first blade (anvil) incorporated in the base roll 4
Knife 5) and the outer peripheral surface 41 of the base roll 4
And a second knife (blade knife) 6 installed.
You. The base roll 4 has a diameter of, for example, 600 mm.
Of a very large diameter of the extent (not particularly limited)
Is adopted. On the outer peripheral surface 41 of the base roll 4
Is, for example, two touch rows as shown in FIGS.
The rolls 11 and 12 and one transfer roll 8 are almost
They are arranged in contact. The second cutting tool 6 includes a second touch roll 12
Between the transfer roll 8 and the transfer roll 8
1 is attached to the outer peripheral surface. This second blade 6 is shown in FIG.
And an air cylinder 62 as shown in FIG.
1 by swinging, the standby position (non-cutting position) shown in FIG.
Position) and the cutting position shown in FIG.
Has become. The air cylinder 62 includes an electromagnetic switching valve 63
Operated by Then, the second blade 6 is shown in FIG.
In the state where it is located at the cutting position, the cutting edge of the second blade 6 is
Outer surface of belt-shaped sheet S wound around base roll outer peripheral surface 41
In a non-contact state as much as possible. still,
In this embodiment, the mounting table 61 of the second blade 6 is
Although it is made to swing by the solder 62, other embodiments
Then, the mounting base 61 of the second blade 6 is swung by a motor.
You may do it. In the first embodiment, the first blade 5 is
Around the outer peripheral surface 41 inside the roll 4
Roll-shaped mounting table (hereinafter referred to as mounting roll)
U) It is attached to 51. Note that the first blade 5 is shown in FIG.
As shown in the enlarged view of FIG.
Is mounted so as to slightly protrude from the outer peripheral surface of the. The mounting roll 51 of the first blade 5 is shown in FIG.
The center of the roll at both ends of the mounting roll 51 is
Bearings 5 are provided on the left and right side plates 42, 42 of the base roll 4, respectively.
2 and 52 are rotatably supported. For base roll 4
The installation part of the mounting roll 51 is located outside the base roll.
A narrow opening 4 for exposing the first blade 5 on the peripheral surface 41
3 are formed. Outer end of outer peripheral surface of mounting roll 51
Is in a state where it does not protrude from the outer peripheral surface 41 of the base roll 4.
It is located at approximately the same position as the outer peripheral surface of the base roll. The first blade 5 is moved by the blade displacement operating device 7.
Storage position to be immersed in the base roll 4 (FIGS. 4 and 5)
And the cutting position slightly protruding from the base roll outer peripheral surface 41
(FIGS. 7 and 8). This knife change
As shown in FIG. 4 and FIG.
The solder 71 is used. This air cylinder 71
One end side (tube side) is outside the side plate 42 of the base roll 4
Surface and the other end (rod side) is the axis of the mounting roll 51
Is connected to the arm 72 attached thereto. And this d
By extending and retracting the a cylinder 71 through the arm 72
Set the mounting roll 51 at a slight angle (for example, an angle of 15 ° to 20 °).
), Thereby rotating the first knife 5
It can be made to protrude from the outer peripheral surface 41 of the roll.
You. That is, when the air cylinder 71 shown in FIG.
As shown in an enlarged view in FIG. 5, the cutting edge of the first blade 5 is attached.
A position slightly displaced from the maximum projecting position of the roll 51
The cutting edge is slightly away from the outer peripheral surface 41 of the base roll.
(For example, about 0.5 to 1 mm), and the air shown in FIG.
The extended state of the cylinder 71 (the arm 72 is
Then, as shown in an enlarged view in FIG.
5 is at the maximum projecting position of the mounting roll 51, and
The tip is slightly (for example, 0.5) from the outer peripheral surface 41 of the base roll.
(Approximately 1 mm). In addition, the first blade 5 is
The storage position is in the immersion state shown in FIGS.
7 and 8, the cutting position corresponds to the protruding state shown in FIGS.
It is. Air cylinder 7 serving as blade displacement operating device 7
Since 1 is rotated together with the base roll 4,
As shown in FIG.
Air is supplied / discharged via the connection 74. In addition, the air filter
The cylinder 71 is operated by an electromagnetic switching valve 75. A mounting roll for the base roll 4 and the first blade 5
The cutting edge of the cut strip-shaped sheet S is
Vacuum holes 44 for adsorbing to the rolls 4 and 51,
44.. Are formed. These vacuum holes 44,
44 are rotary joints 4 as shown in FIG.
5, 45 and the electromagnetic switching valve 46. still,
The suction range of each of the vacuum holes 44, 44,.
Is a range indicated by a dashed line indicated by reference numeral 47 in FIG. The delivery roll 8 also has a vacuum hole 81,
81 are formed. The transfer roll 8 side
The opening 81 is provided at the start end Sb of the cut strip-shaped sheet.
From the outer peripheral surface 41 of the base roll to the outer peripheral surface of the transfer roll 8
The chain indicated by reference numeral 82 in FIG.
Suction is performed in the range shown by the line. In addition, the baki on the delivery roll 8 side
The vacuum hole 81 is also connected to the vacuum hole 44 on the base roll 4 side.
At the same time (for example, via the electromagnetic switching valve 46 in FIG. 3)
Is done. This cutting device 3 is shown in FIGS.
It is attached to a movable table 31 which can move forward and backward.
The moving table 31 is mounted on the rail 13 and
Moving back and forth on the rail 13 by the moving device 14
It is. The belt-shaped sheet of the first embodiment shown in FIGS.
The belt-shaped sheet winding machine using the cutting device is as follows.
Operate. That is, in this belt-shaped sheet winding machine, as shown in FIG.
As shown in FIG.
The belt-shaped sheet S is rolled onto various rolls and the base roll outer peripheral surface 41.
To the take-up section of the take-up device 2 via the
Reel T₁It is designed to be wound around. this
During the winding operation of the belt-shaped sheet, as shown in FIGS.
First, the first blade 5 is immersed in the base roll 4 and
Operation is performed without any protrusions on the outer peripheral surface 41 of the roll.
It is. Therefore, it is wound around the base roll outer peripheral surface 41 and transported.
No trace is left on the belt-shaped sheet S to be produced. Next, the main winding section of the winding device 2 (left side)
The winding shaft T₁Around the belt-shaped sheet S
When it is wound up by a fixed length (predetermined length shorter than the full winding length)
At this point, the spindle 21 of the winding device 2 is slowly rotated.
Then, the wound sheet winding body R is wound around the winding shaft T.₁Figure 6 with
Is turned to the position at an angle of 180 ° as shown in FIG. this
At this time, as shown in FIG._TwoIs the main winding
Located in the department. At this time, the driving device 14 operates.
Then, the moving table 31 is advanced to the winding unit side, but in this state,
Is the delivery roll 8 and the reel T_TwoIs slightly separated from the
You. In addition, the empty reel T_TwoAs shown in FIG.
Adhesive tape U is stuck. Then, a belt-like sheet of a predetermined length (full winding length)
When the sensor S is supplied, a detector (e.g.,
To count the number of rotations of the roll around which the sheet is wound
Counter) generates a count-up signal,
The electromagnetic switching valves 63 and 75 related to the cutting device 3 are shown in FIG.
And the second blade 6 and the first blade 5 are
Each is displaced to the cutting position (the state of FIG. 8).
When the first blade 5 is displaced to the cutting position, as shown in FIG.
As described above, the cutting edge of the first cutting tool 5 is higher than the base roll outer peripheral surface 41.
Protrude slightly (about 0.5 to 1 mm).
G is pushed up in a chevron (Sc in FIG. 8).
At the same time, the vacuum hole 44 on the base roll 4 side is used.
Solenoid valve of vacuum hole 81 on delivery roll 8 side
46 (FIG. 3) is also switched to the ON side, and each vacuum hole
44 and 81 enter the suction state. Next, as shown in FIG.
With the second blade 6 displaced to the cutting position,
When the scroll 4 rotates, the first blade 5 is brought into contact with the second blade 6.
At the time when they meet (the position of reference numeral 5 'in FIG. 8),
The belt-shaped sheet S between the six is located on the outer peripheral surface 41 of the base roll.
It is cut straight. At this time, the cutting portion of the belt-shaped sheet S
Near the front and rear edges of the base roll 4 and the mounting roll 51
Since it is sucked by each provided vacuum hole 44,
The vicinity of the front and rear edges of the cut portion is sucked into the base roll outer peripheral surface 41.
Transported to a position facing the delivery roll 8 while being worn.
Then, the transfer roll 8 is moved from the outer peripheral surface 41 of the base roll.
(See Sa and Sb in FIG. 9).
In addition, immediately after the cutting operation of the belt-shaped sheet S, the first blade 5 is used.
Of the air cylinder 7 is switched to the reduction side.
1 is reduced (the first blade 5 is returned to the storage position)
In both cases, the electromagnetic switching valve 63 for the second blade 6 switches to the extension side
Then, the air cylinder 62 is extended (the second blade 6 is
Back to machine position). Then, the end of the cut front-side belt-shaped sheet is cut.
The end Sa is wound around the outer periphery of the sheet roll R (FIG. 6) as it is.
On the other hand, the leading end Sb of the succeeding belt-shaped sheet is
Empty reel T located at_TwoTime to meet
And its winding shaft T_TwoD for the swing arm 24
The cylinder T is extended by_TwoThe strip-shaped sheet
It is brought into contact with the start end Sb. In addition, the winding shaft T_TwoOn the outer peripheral surface of
As shown in FIG. 9, the adhesive tape U is attached in advance,
The adhesive tape U comes into contact with the start end Sb of the succeeding belt-like sheet.
By doing so, the belt-shaped sheet start end Sb can be_TwoOn the outside
It can be wound. By the way, the band-shaped sheet S is particularly made of glass fiber.
If the sheet is relatively strong, such as a sheet,
G start end Sb and reel T_TwoMeets the adhesive tape U
Must be forgotten_TwoAdhesive tape affixed to
The position of U coincides with the start end Sb of the succeeding belt-shaped sheet.
Sea urinal T_TwoIs adjusted in advance. Then, the starting end Sb of the belt-shaped sheet is
The tape T is adhered to the_TwoWhen it is wound on the side,
The air cylinder 24 back (reducing the air cylinder 26),
The moving table 31 is moved backward to perform the next winding operation. As described above, the band-shaped sheet winding of the first embodiment
In the take-off machine, the sheet is continuously supplied from the belt-shaped sheet supply source 1.
The belt-shaped sheet S is placed on the base roll 4 by a predetermined length.
Cut, starting end portion Sb of the cut subsequent strip-shaped sheet
Is automatically wound around the winding shaft,
Can be turned over. Further, the strip-shaped sheet cutting device of the first embodiment
In the position 3, the first blade 5 is moved to the base by the blade displacement operating device 7.
It can be made to protrude from the outer peripheral surface 41 of the roll.
During the band-like sheet winding operation, the first blade 5 is
Immersed in the roll from the outer peripheral surface 41
Only at the time of cutting S, the first cutter 5 has the base roll outer peripheral surface 41.
It is designed to protrude from. Therefore, the belt-shaped sheet S
Can be cut while being held on the outer peripheral surface 41 of the base roll.
Therefore, the belt-shaped sheet S is in a stable state (a state in which tension is not applied).
And can be reliably cut. Also, if the band-shaped sheet is
A relatively tough woven sheet like a fiber sheet
Can be cut in a straight line parallel to the fiber oriented in the width direction.
Fiber waste does not separate from the edge. In addition, the passage of the belt-like sheet
At the time of normal processing (for example, at the time of winding), the first blade 5 is
Of the base roll 4
(There is no material.)
A cutting device of a type adapted to cut the sheet S
Also, the embossed trace by the blade 5 may be attached to the strip-shaped sheet.
And the quality of the band-like sheet to be processed is good. In this embodiment, the blade-type retractable band-shaped sheet of this embodiment is used.
G-cutting device is used to cut ordinary paper or non-woven fabric
Of course, it can be applied toSecond embodiment A belt-shaped sheet cutting device according to a second embodiment shown in FIGS.
The installation 3 moves the first blade 5 to the base roll 4
In the straight line radial direction. That is, in the second embodiment, the first blade 5
A guide provided with a mounting base 53 on which the base roll 4 is mounted on the base roll 4
In order to be able to move in the radial direction of the base roll in the hole 48,
And the mounting table 53 is mounted on the blade
It is designed to be able to appear in the radial direction of the scroll. The mounting table 53 of the first blade 5 includes a spring 5
4 urges the guide hole 48 inward. Also, the mounting base
53 is a cam 76 provided in the guide hole 48 and supported from inside.
I have The blade displacement operating device 7 is the same as in the first embodiment.
The air cylinder 71 is used as described above.
71 is attached to the outer surface of the side plate 42 of the base roll 4.
Then, the cam 76 is operated by the air cylinder 71.
Then, the mounting table 53 is moved in the linear direction of the base roll radial direction.
Is moved and the cutting edge of the first blade 5 is moved to the outer peripheral surface 41 of the base roll.
Can be infested from That is, as shown in FIG.
When the air cylinder 71 is in the extended state,
The amount of protrusion is small.
It is located inward by pressure, and the cutting edge of the first blade 5 is the base
Slightly (for example, about 0.5 to 1 mm)
Only) located in the storage position immersed in the roll. On the other hand,
As shown in FIG. 11, when the air cylinder 71 contracts,
The pushing amount by the cam 76 becomes large,
Is pushed out against the biasing force by the spring 54, and the first blade
The blade edge of the object 5 is slightly (for example,
(For example, only about 0.5 to 1 mm)
You. Incidentally, other configurations of the second embodiment are as follows.
Since it is the same as that of the first embodiment, other explanations
Akira uses the first embodiment. And this second
In the strip-shaped sheet cutting device according to the embodiment, the strip-shaped sheet
It has the same function as.Third embodiment A belt-shaped sheet cutting device according to a third embodiment shown in FIGS.
The device 3 is an air cylinder that functions as a blade displacement operating device 7.
The first blade is fixed to the base roll 4 at a position different from that of the base roll 4.
The object 5 is to be operated from the outside of the base roll 4
You. The first blade 5 is mounted on a swingable mounting base 55.
Have been. One end side of the swing center shaft 56 of the mounting table 55
Project outward from the side surface of the base roll 4. This
At the protruding end of the swing center shaft 56,
Arm 57 with a roller 58
You. Also, this mounting base 55 is usually
Attached to the side where one blade 5 is immersed from the base roll outer peripheral surface 41
(The state shown in FIG. 12). Air cylinder 7 serving as blade displacement operating device 7
1 is a position near the upper side of the installation position of the second blade 6
Therefore, a member different from the base roll 4 (for example, the first embodiment)
(The side wall of the movable base 31). In addition,
The roller at the end of the rod of the
A guide plate 77 for abutting 58 is mounted. Then, as shown in FIG.
In the state where 71 is contracted (normal state), the guide plate
77 is the circumference of the roller 58 that rotates with the base roll 4
Outside the turning position and does not contact the roller 58.
Swelling. In this state, the first blade 5 is a blade.
The tip is located at the storage position where it is immersed from the outer peripheral surface 41 of the base roll.
It is location. On the other hand, as shown in FIG.
When 1 extends, guide plate 77 pushes down roller 58
Roller 58 that has advanced inward to a position
To the mounting base 55 and the first blade 5 in the cutting position.
To the side. The air cylinder 71
The second blade 6 is also moved to the cutting position when the
It is. Then, the first blade 5 comes into contact with the second blade 6 to form a band.
As soon as the cutting of the sheet is completed, the first blade 5 is stored in its original state.
To the original standby position.
It is returned (return to the state of FIG. 12). Incidentally, other configurations of the third embodiment also include:
Since it is the same as that of the first embodiment, other explanations
Akira uses the first embodiment. And this third
In the strip-shaped sheet cutting device according to the embodiment, the strip-shaped sheet
It has the same function as.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall schematic view of a band-shaped sheet winding machine using a band-shaped sheet cutting device according to a first embodiment of the present application. FIG. 2 is an enlarged view of a band-shaped sheet cutting device in FIG. 1; FIG. 3 is a sectional view taken along the line III-III of FIG. 2; FIG. 4 is a view taken in the direction of arrows IV-IV in FIG. 3; FIG. 5 is a partially enlarged view of FIG. 2; FIG. 6 is an operation explanatory view of the belt-shaped sheet winding machine of FIG. 1; FIG. 7 is a state change diagram of FIG. FIG. 8 is a state change diagram of FIG. FIG. 9 is a partial perspective view of the state shown in FIG. 6; FIG. 10 is a sectional view of a band-shaped sheet cutting device according to a second embodiment of the present application. FIG. 11 is a state change diagram of FIG. FIG. 12 is a sectional view of a strip-shaped sheet cutting device according to a third embodiment of the present application. FIG. 13 is a state change diagram of FIG. FIG. 14 is an explanatory view of a belt-shaped sheet winding machine of the first conventional example. FIG. 15 is an explanatory view of a belt-shaped sheet winding machine of a second conventional example. FIG. 16 is an explanatory view of a belt-shaped sheet winding machine of a third conventional example. FIG. 17 is a partially enlarged sectional view of FIG. 16; [Description of References] 1 is a belt-like sheet supply source, 2 is a winding device, 3 is a cutting device,
4 is a base roll, 5 is a first blade, 6 is a second blade, 7 is a blade displacement operation device, 8 is a transfer roll, 41 is an outer peripheral surface of a base roll, 71 is an air cylinder, and S is a strip-shaped sheet.

   ────────────────────────────────────────────────── ─── Continuation of front page    (72) Inventor Hiroki Isshiki             1890-1 Iioka, Saijo City, Ehime Prefecture (72) Inventor Abe Masayuki             515 Kojimacho, Moriyama-shi, Shiga Asahi Kasei Corporation             Inside (72) Inventor Shuzo Mitani             515 Kojimacho, Moriyama-shi, Shiga Asahi Kasei Corporation             Inside F-term (reference) 3C021 JA02 JA09                 3C024 CC01

Claims (1)

Claims: 1. A strip-shaped sheet cutting apparatus for cutting a strip-shaped sheet (S) continuously supplied by a predetermined length in a non-stop manner, wherein the strip-shaped sheet (S) is wound. Base roll (4) to be transported by means of a roll and a first knife (5) provided on the base roll (4)
And a second blade (6) installed close to the outer peripheral surface (41) of the base roll, wherein the first blade (5) is located at a storage position where it is immersed in the base roll (4), and an outer periphery of the base roll. A blade displacement for displacing the first blade (5) between the retracted position and the cutting position while displaceably installing the blade from a surface (41) to a cutting position protruding from the surface (41) to a position contacting the second blade (6). In addition to the operation device (7), the blade displacement operation device (7) receives the count-up signal generated when the belt-shaped sheet (S) is supplied by a predetermined length, and stores the first blade (5). A belt-shaped sheet cutting device, which is displaced from a cutting position to a cutting position, and is operated so as to return to the storage position immediately after meeting with the second blade (6).