JP3435562B2 - Theta for printing machines - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [0001] The present invention relates to a sheeter for a printing press.
Printing webs, especially from web presses
Cuts the web fed from the paper roll to a specified length
The cut paper is conveyed to the stack at high speed for stacking.
About theta that can be used. [0002] 2. Description of the Related Art The final stage of a web offset printing press includes:
The printing web sent from the printing press unit is
Cut to length to form a single-wafer, slow it down and stack
Theta equipment that feeds and sequentially laminates
Is installed offline. This theta device is marked
Cuts the print web conveyed at high printing speed
And the cut length at this cut section does not vary
And apply the paper at the lower speed section
Slightly faster than printing speed to take timing
High-speed transport unit that transports at high speed, and
Transport speed is reduced to a speed that does not affect lamination due to lamination
And a low-speed transport unit. [0003] In this type of theta, a high-speed conveyance
There is a problem with deceleration processing for transferring cut sheets to the transport unit.
And the leading edge of the cut paper conventionally discharged from the high-speed
Roll (squaring roll)
And put it on the low-speed transport section
In addition, the cut paper that is bent and conveyed is aligned,
Later, the method of transporting in a low-speed transport section is generally adopted.
You. For this reason, a high-speed conveyor belt is placed on the exit side of the cut section.
The low-speed conveyor belt is arranged in parallel with this
The deceleration roller is located almost at the center of the low-speed conveyor belt.
Configuration. And drain the low-speed belt
The stack part is arranged in series at the leading end,
The cut part is a regulating plate that is placed around the four sides of the cut paper.
(Jogger) and place the platform in the space surrounded by
Cut paper that is discharged at a low speed
I am ready to accept. Therefore, high speed belt
Is decelerated by the speed reduction rolls and
The loaded cut paper is discharged from the low-speed belt and stacked.
And is stacked on the upper surface of the pre-loaded sheet.
It is layered. FIG. 14 is a schematic view showing a conventional rotary printing press sheeter.
FIG. Theta 10 is a printing unit (see FIG.
(Not shown) in the flow direction of the print web 12
Along the cutting section 14, high-speed transport section 16, low-speed transport section 1
8 and a stack unit 20. Printing unit
From the web 12 through a plurality of guide rolls 22
Is introduced into the cut portion 14 side.
Has a draw roll 24 and a press roll 2 which is in contact with the draw roll 24
6 are provided. The draw roll 24 is a printing unit
The rotary drive is performed at a speed slightly faster than the printing cylinder of
The unit 14 covers the web 12 at a speed slightly higher than the printing speed.
It is to be carried out at a later stage while putting on. [0005] The printing paper sent from the draw roll 24
The web 12 is introduced into the cutting section 14, which is
Fly knife 30 and lower surface that are rolled on the upper surface of web 12
It is constituted by a fixed knife arranged in the section. H
Rye knife 30 is located at one or two locations on the outer periphery of the knife body.
Where a knife is provided at the place where the printing web 12 is transported.
The print web 12 is cut to a predetermined length by a higher peripheral speed.
To judge. As a result, the cut sheet is discharged from the cut section 14.
Will be done. [0006] From the exit of such a cut section 14, paper
The high-speed transport unit 16 and the low-speed transport unit 18 are linked in the flow direction.
These are arranged on the lower surface of the cut sheet.
Lower high-speed tape means 32 and lower low-speed tape means disposed
34. And these high speed and
And the cut paper fed by the low-speed tape means 32, 34
An upper holding tape 36 disposed on the upper surface is provided.
You. The lower high-speed tape means 32 includes a pair of rolls 3.
A transport tape 32T is wound between 2A and 32B.
The outlet roll 32B is transported as a drive roll.
The printing speed of the feeding tape 32T (the conveying speed of the printing web 12)
Degree) and drive at higher speed than the cutting part
Cut paper ejected from 14 has a gap between each other
I'm trying. Similarly, the lower low-speed tape means 34 is a pair.
The transport tape 34T between the rolls 34A and 34B
The drive roll 34B on the outlet side is
The transfer tape 34T is attached to the stack section 20 as a
Drive at a low speed enough to feed paper
I am trying to. Lower high-speed tape means 32 and lower part
Upper holding tape disposed on the upper surface of the low-speed tape means 34
The means 36 comprises a high-speed tape means 32 and a low-speed tape means.
34 so that a paper conveyance gap is formed between
Pressing the surface of the cut paper conveyed on the tape means 32, 34
However, this corresponds to the transport speed of the high-speed tape means 32.
It is driven to rotate at the transport speed. [0008] The cut paper is formed by the above-mentioned tape means 32, 34,
Transported by 36, but shifts from high-speed to low-speed
In order to make the
A reduction roll 40 is provided on the upper holding tape means 36 side.
Have been. This deceleration roll 40 is the
Gap between the leading end of the paper and the low-speed tape means 34
Transfer the cut paper to the low-speed tape means 34 side
To reduce the speed of the tape.
It is designed to be rolled at a low contact pressure. The low-speed tape means 34 is driven by the speed reduction roll 40.
The cut paper transferred to the
Nip roll 42 at the tip of the tape means 34.
Is discharged to the stack section 20 while being suppressed by
Here, they are laminated and piled. [0010] SUMMARY OF THE INVENTION However, the conventional
In theta, it is sent continuously from the high-speed tape means 32
The incoming cut paper is received by the reduction roll 40, and the lower speed
The part on the cut paper preceding the transport surface of the tape means 34
It is made to overlap and is made into a tiled roof shape and transported
I'm trying. Transport by such low-speed tape means 34
In the form, the upper and lower cut sheets are in close contact with each other by static electricity.
Tiles when they are supplied to the stack unit 20 at the subsequent stage.
I will align the paper edge from the state and stack it up and down
U, it is difficult to slide cut paper
There was a problem. The end face of the stack section 20 is
Although they are aligned, it is necessary to carry in
Is it possible to smoothly and quickly align the end faces?
It was. The present invention focuses on the above-mentioned conventional problems, and
Particularly high during the transport process, from cutting the printing web to piling.
Precedent when transferring from high-speed tape to low-speed tape
Between the cut sheet and the subsequent cut sheet
Printing press that can effectively remove electrostatic adhesion
The purpose is to provide data. [0012] [MEANS FOR SOLVING THE PROBLEMS] To achieve the above object
In addition, theta for a printing press according to the present invention,
The upper high-speed tape means and the lower
The low-speed tape means and the lower
A stack of cut paper is provided at the discharge end of the high-speed tape
The high-speed tape and
Attach suction means to the lower speed tape and
Providing means for transferring cut paper between tapes,
Speed tape is extended so as to cover the upper surface of the stack section.
Transfer from the upper high-speed tape to the lower low-speed tape
The cutting means is formed so as to press the bottom of the cut sheet,
Blow the cut paper in the conveying direction to the front of the lower low-speed tape.
Air blowing means with a directed directionAnd the air blowing
An electrostatic elimination bar for generating corona discharge adjacent to the means;
Is provided in the cut paper overlapping gapGenerated ions
IncludingThis allows air to be blown. [0013] According to the above construction, the sheet is cut at the cut section and discharged.
Cut paper to be output is converted from high-speed tape means to low-speed tape means
Most of the cut paper is supplied to the stack when it is transferred to
The bottom of the paper is transferred to the lower speed tape means.
Therefore, the amount of overlap between cut sheets is small.
Transfer from the upper high-speed tape to the lower low-speed tape
Air into the gap between the cut sheet and the succeeding sheet.
By blowing, between the cut sheets introduced into the stack section
Of the cut paper and smooth sliding between the cut papers.
Thus, the end face aligning operation is quickly performed. But
Therefore, shorten the time to supply from the cutting to the stack section,
The efficiency of theta work can be improved. [0014] BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, specific embodiments of the present invention will be described.
The form will be described in detail with reference to the drawings. FIG. 1 shows an embodiment.
It is a side view which shows the whole structure of such theta for printing presses. Real
Theta 100 according to the embodiment includes a printing unit (not shown).
Along the flow direction of the print web 102 sent from
Cut section 104, lower high-speed tape means 106, upper high-speed
Tape means 108, lower low speed tape means 110, and
The stack unit 112 is provided. Mark from printing unit
The printing web 102 is cut by a plurality of guide rolls.
Although it is introduced on the side of
The low roll 114 and the press roll 116 which is in contact with the low roll 114
Is provided. The draw roll 114 is a printing unit
Is rotated in accordance with the printing speed of
4, the web 102 is cut at the same speed as the printing speed.
4 is supplied. Printing sent from draw roll 114
The web 102 is introduced into the cutting unit 104,
Fly knife 1 rolled on the upper surface of the print web 102
18 and a fixed knife 120 disposed on the lower surface.
Has been established. Fly knife 118 is the outer periphery of the knife body.
With knives in one or two of the
A predetermined length with a peripheral speed higher than the transport speed of the web 102
First, the print web 102 is cut. this
Cut paper is ejected from the cutting unit 104
become. From the exit of such a cutting section 104, paper
Conveyance means are cascaded along the flow direction of
It is placed on the lower surface of the cut paper and transported while sucking the lower surface of the paper
Lower high-speed tape means 106 and the lower high-speed tape
The cut sheet sent from the step 106 is delivered and cut.
Upper high-speed tape means 10 for conveying the upper surface of the paper while sucking it
8, and transported by the upper high-speed tape means 108
Cut paper is delivered and transported again with the bottom suction
And a lower low-speed tape means 110. You
In other words, cut paper is transported at high speed under the suction surface, and high speed at the top
While continuously taking each mode of feeding, lower surface suction low speed conveyance,
Transport from the exit of the cutting unit 104 to the stack unit 112
It moves along the route. The lower high-speed tape means 106 is shown in FIGS.
As shown in detail, a pair of inlets and outlets
A plurality of transport tapes 106 are provided between the rolls 106A and 106B.
While winding T, tension in the middle of the tape return transport path
It is provided with a tension roll 106C for application.
Have been. The transport tape 106T is a roll 106 on the exit side.
B is driven to rotate around as a drive roll.
And the transport tape 106T changes the printing speed (the printing web 102
Can be driven at a set high speed faster than
The cut paper discharged from the cutting unit 104 is
I will transport them with a gap so that they do not overlap each other
I'm trying. The drive roll 106B on the exit side is a roll shaft
The pulley 128 attached to the end is driven by a belt.
The roll pulley 128
Take it around the frame side plate 130 so that it winds at the winding angle.
Attached drive pulley 132 and reversing pulley 134,
Drive unit 13 that rotates around the intermediate pulley 136
8 is driven to rotate. For such a lower high-speed tape means 106,
The cut paper transport surface is located between the entrance side roll 106A and the exit side.
A plurality of transport tapes moving toward the side roll 106B
106T, which is the outer surface.
As shown, the position between the pair of rolls 106A and 106B
To form a sliding surface for the tape 106T.
Box 140 is provided. This vacuum box
140 is formed as a hollow container and is provided at the lower left and right positions.
The suction duct 142 is connected to a suction pump (not shown).
Then, the inside can be made negative pressure. Vacu
Each tape running surface area of the
A long hole 144 is opened, and this long hole 144
The loop 106T is covered by the back surface.
Then, a plurality of suctions are performed over the entire length of each tape 106T.
A through hole 146 is opened. Thereby, the tape 10
When 6T slides on the sliding surface of vacuum box 140
The negative pressure of the vacuum box 140 is
On the back side of the cut paper being conveyed through
When the paper is in close contact with the tape 106T by suction,
It is primarily conveyed by suction. The lower high-speed tape means 106
A nip roll 147 is rolled at the inlet roll 106A.
The leading edge of the cut paper that comes into contact and is discharged from the cutting unit 104
Into the lower high-speed tape means 106, and smoothly
It can be transported. Also, the lower high-speed tape means
At the exit of 106, the next upper high-speed tape means 10
8, both the tape means as the cut sheet delivery means
Lift guide 148 obliquely extending through the gap between 106 and 108
Is provided. This is the vacuum box 14
0 with the plate fixed to the front end
It is formed by bending obliquely, and between each tape 106T.
Make the tip protrude from the gap to the upper surface of the transfer surface,
Curved in an arc shape to follow the outer peripheral surface of the outlet roll 106B
It is formed as follows. The tip curved section is
The oblique crossing of the gap between the
I have. Next, the lower high-speed tape means 106
Receiving the cut paper transported by
The upper high-speed tape means 108 for high-speed conveyance while sucking is as follows.
It is configured as follows. As shown in FIG. 1 and FIGS.
As shown in FIG.
High-speed tape means 108X and extended high-speed tape means 108Y
It is composed of First, the main high-speed tape unit 1
08X is the entrance side arranged along the cut paper conveyance surface
It has a roll 108A and an exit-side roll 108B.
The inlet-side roll 108A is connected to the lower high-speed tape
Located just above the front end of the vacuum box 140
And a part of the transport tape 108T is a lower high-speed tape means.
106 is arranged so as to overlap the transfer surface of
Cut lifted by the lift guide 148 described above
Paper can be received. In addition, the exit side roll 10
8B is located at the entrance of the stack section 112,
Here, the cut paper conveyed at a high speed is directly transferred to the stack unit 112.
It can be supplied to Loops around the transport tape 108T
Position above the rolls 108A, 108B
So that it is pivotally supported at the upper edge of the frame side plate 130.
The intermediate roll 108C and the driving roll 108D are arranged.
The transport tape 108T is wound between these rolls.
I'm tight. The drive roll 108D has its roll shaft end
Drive means (not shown) for pulley 108DP provided in
The belt is driven by the
Direct circulating drive force on the transport tape 108T
Is given. Transport of this main high-speed tape means 108X
The feed speed is set equal to that of the lower high-speed tape unit 106 in the previous stage.
Therefore, the rotation speed is slightly higher than the printing speed.
Times are possible. Next, the upper high-speed tape means 108 is constructed.
The extended high-speed tape means 108Y is as shown in FIGS.
The transport tape 1 of the main high-speed tape means 108X
08T, and the entire surface of the stack 112
Cover it to a position near the front jogger 112F.
It is configured to be extended to reach. That is,
A plurality of transport tapes 108T are arranged side by side in the theta width direction.
However, a part of the extended transport tape 10
8TE, and this is the front jogger
-Extension exit side roll provided at the position reaching 112F
Around the 108BE, and the frame just above it
Around the intermediate roll 108CE supported by the side plate 130
Hung. Then, the entrance side roll 108A and the driving row
The file 108D is commonly used. In the upper main high-speed tape means 108X,
The cut paper transport surface exits from the inlet roll 108A.
A plurality of transport tables moving toward the mouth roll 108B
108T is a downward facing outer surface, and this transport surface is
A pair of rolls 108A, 108
B that is located between B and forms the sliding surface of tape 108T
A space box 150 is provided. This vacuum
The system box 150 is the same as that of the lower high-speed tape unit 106.
Similarly formed as a hollow container, provided at the top of the box
The suction duct 152 is connected to a suction pump (not shown).
So that the inside can be kept under negative pressure. vacuum
Each tape run surface area of box 150 includes a plurality of slots.
154 is opened, and the long hole 154 is
108T is covered by the back surface. Soshi
And a plurality of suction holes over the entire length of each tape 108T.
156 is open. Thereby, the tape 108T
Slides on the sliding surface of the vacuum box 150,
The negative pressure of the vacuum box 150 passes through the suction hole 156.
First, it acts on the surface of the transport cut paper, and the cut paper is taped.
Suction and transport together with the tape in a state of being in close contact with 108T
It is done. Also, the extension high-speed tape means 108Y side
Is also configured to be able to transport by suction.
Vacuum box independent of the vacuum box 150
Box 151 is provided. This vacuum box 1
51 is also formed as a hollow container, as in the case described above,
The suction duct 153 provided at the top of the box is not shown.
Connected to a suction pump to maintain a negative pressure inside.
are doing. A belt is provided on the lower surface of the vacuum box 151.
A tape running surface consisting of a plate is formed, and each tape running surface area
In the area, there are a plurality of
The long hole 155 is opened, and this long hole 155 is conveyed.
Should be covered by the back of tape 108TE
You. And each tape 108TE has a length
Thus, a plurality of suction holes 156 are opened. This
The tape 108TE is in the vacuum box 150, 1
When sliding on the sliding surface 51, the vacuum box 15
The negative pressure of 0, 151 passes through the suction hole 156,
On the surface of the paper, the cut paper is tape 108T, 10
Sucked and transported together with the tape in a state of suction close contact with 8TE
In particular, the extended transport tape 1
The suction conveyance by 08TE is also possible. The above-mentioned upper high-speed tape means 108 is
So that the upstream and downstream sides can open the transport surface
And, for this purpose, along the inner surface of the frame side plate 130.
Arm 158 and rear arm that can swing up and down
160 and the frame side via the same rotation fulcrum 162
It is supported on a plate 130. The front arm 158 is ahead
The entrance side roll 108A is attached to the end.
160 is the exit roll 108B and the extension exit roll.
108BE is attached. Each arm 158, 16
0 is provided with a lifting / lowering
The rod ends of the cylinder mechanisms 164 and 166 are connected.
By lifting and driving the cylinder mechanisms 164 and 166,
Each end of each of the arms 158 and 160 rises and the transport line
The surface can be opened. Also, such an arc
The transport tape 108T is moved up and down by the
108TE so that the transport tape 10 is not loosened.
Tension low on the 8T, 108TE circuit route
168 is provided. In this example, drive roll 1
Tension roll 16 so as to be located directly above 08D.
8 and circumscribe the tapes 108T and 108TE.
Make sure that the angle of wrapping around the dynamic roll 108D is large.
108T, 108TE in tension roll 168
While contacting, the tension roll 168 is
It is towed by the da 170. Such a te
Tension so that the tension roll 168 can be pulled.
The roll 168 is attached to the frame side plate 130.
The bell crank 172 is supported by the bent portion of the bell crank 172.
172 is set to be rotatable, and
172 in the tension applying direction by the air cylinder 170
It can be towed. With such an upper high-speed tape means 108,
Is lift guide 148 from lower high speed tape means 106.
Suction paper is delivered by the
106T, 108T, 108TE transport speed is the same
Cut papers overlap each other
The stack 112 is moved one by one without
And high-speed sequential supply is possible. Lower speed
Formed by tape means 106 and upper high-speed tape means 108
The formed transport line has a downward slope toward the downstream side
Is set as described above.
The top end of the paper can be poured into the upper part of the storage space at high speed
It has become. Here, the upper high-speed tape means 108
When cut paper is supplied to the contact stack 112, the paper end is damaged.
To reduce the transport speed.
The lower part of the bottom of the cut paper through the paper delivery means
By passing it on to the tape means 110
You. This is because the upper high-speed tape means 108
High-speed tape means especially extending the leading end of the cut paper being conveyed
108Y to pour above the stack 112
The main high-speed tape means 108Y
Paper forcibly away from the bottom of the paper.
It is delivered to the lower low speed tape means 110.
The cut sheet delivery means is provided by a snapper roll 174.
This is, as shown in FIG.
In the main high-speed tape means 108X of the loop means 108
Located just in front of the exit-side roll 108B.
Rotate using the gap between high speed tapes 108T and 108TE
Formed by brushes. That is, the exit row
The rotary shaft parallel to the roll 108B is located immediately before the roll 108B.
Ft 176 between the left and right rear arms 160.
The mounting block 178 is fixed to the rotating shaft 176 of the
I have decided. The mounting block 178 is the rotating shaft 1
A pair of rectangular block joints with semicircular grooves conforming to 76
And the outer edge of one block side
The release brush 180 is attached. Separation bra
The plate 180 is a plate 1 attached to the block 178.
Brush fiber 180B planted in almost half of 80A
Then, the base of the brush fiber 180B is rotated in the rotation direction (cut paper conveyance).
In the feed direction) to the fiber tip, that is, to the cut paper.
Rotation half so that the contact tip of
Oblique to the diameter. The tip rotation locus of the separation brush 180 is
Projected from the transport surface of the upper main high-speed tape means 108X
The protruding length is transported when the cut paper is separated.
A range where the suction action on the tapes 108T and 108TE does not reach.
To the lower lower speed tape means 110
The size may be set so as to be in contact with the transfer surface. Note that
Not only brush type but also nail type
It is possible. Such a snapper roll 174 is a rotary shell.
Rotate the pulley 176P attached to the base end of the shaft 176
The separation brush 180 is rotated by being driven.
Contacts the low-speed tape means 110 only once during one rotation
You. This contact timing is transmitted to the upper high-speed tape
Therefore, the leading end of the transported cut paper is stacked 112
Of the main high-speed tape means 10
When the front end of the 8X vacuum box 150 is reached
To do it. This contact timing is fast
A predetermined number of rotations according to the transport speed by the tape means 108
By rotating the rotation shaft 176 so that
Driving pulley 1 that drives pulley 176P by belt
82 and adjust it so that the above timing is reached.
It should be fixed. In addition, the tip of the snapper roll 174 rotates.
The path is from the front end of the vacuum box 150 to the transport surface.
Side, and contacted the conveying surface of the low-speed tape means 110.
Later, it is drawn in through the exit roll 108B side.
So that there is no separation action outside the paper
I have to. By the way, the snapper roll 174
Extended high-speed tape means 1 when transferring cut paper
08Y can not be separated if the cut paper is in the suction state
The snapper roll 174 separates the cut edge of the cut paper
When the extension high-speed tape means 108Y side
Suction work being performed through the vacuum box 151
I am trying to cut off the use. Details of this are shown in FIGS.
Show. Vacuum box 151 is extended transport tape 10
It is formed as a cylindrical box along with 8TE.
Are provided for the number of extension transport tapes 108TE.
You. Formed on the lower surface of this cylindrical vacuum box 151
As described above, the sliding surface member made of
The long hole 155 is perforated. This cylindrical vacuum
An opening / closing valve mechanism 200 is formed inside the box 151.
ing. The opening / closing valve mechanism 200 is the cylindrical vacuum
A rotary rotatably supported rotatably inside the box 151
And one end of the rotating rod 202
Are projected from the end of the box 151. Protruding end
Is fitted with a valve pulley 204,
It can be rotated by belt drive. Belt 206
Is attached to the rear arm 160 as shown in FIG.
Around the drive pulley 208
Of each valve pulley 204
The pulley 204 is set to rotate synchronously.
On the other hand, it is inserted into each cylindrical vacuum box 151.
The rotating rod 202 has a slot 155 just for suction.
The outer edge part can rotate and slide on the inner peripheral surface of the cylinder at multiple positions
Such a flat plate portion is formed, and a valve 210 is provided on the outer edge portion.
I am. That is, the rotation of the rotation rod 202 causes the flat plate portion to rotate.
Is rotated, and the valve 210 provided on the edge of the flat plate portion is
5 is closed when it faces the communication hole to
Does not act on the transport tape 108TE.
The timing of shutting off such a suction negative pressure is as described above.
Then, the snapper roll 174 separates the bottom of the cut paper.
And the extended high-speed tape means 108Y
Suction through the vacuum box 151 on the side
The gravitational action is cut off. Further, the extended high-speed tape means 108Y includes:
The cassette sucked and conveyed to just above the stack 112
When the snapper roll 174 moves the lower speed low-speed tape
At the same time when handing over to 110
08Y away from the transport surface and toward the stack 112
Snapper Rolls 174A and 174 forcibly separating them
B is provided. This is shown in FIG.
In the suction area of the cylindrical vacuum box 151
And is configured similarly to the snapper roll 174.
And the separation timing is set to be the same.
Have been. Therefore, by the vacuum box 151
Auxiliary snapper rolls 174A, B in accordance with the suction cutoff
The forced separation effect is also achieved. The snack on the main high-speed tape means 108X side
The lower part that receives the cut sheet by the action of Parol 174
The low-speed tape unit 110 is located immediately before the stack unit 112.
Located, facing the downstream area of the upper high-speed tape means 108
Have been. This specific configuration is shown in FIGS. This
The lower low-speed tape unit 110 is a single unit disposed at the upstream end.
A roll 110A, and the upstream end roll disposed on the discharge side.
A pair of upper and lower small diameter b formed smaller than the diameter of 110A
Has a transfer tape attached to them.
110T is wound around
Part small diameter roll 110B is lower than lower small diameter roll 110C.
The low-speed tape 110 is brought close to the entrance of the stack portion 112.
Set the front end of T so that it has a knife-edge shape
I have. That is, the small-diameter rolls 110B and 110C
Each of them has the same diameter, but this is
Formed as a roll having a diameter of about 40% or less of the diameter of the
And are arranged vertically in parallel at the discharge end. Up
The lower small diameter rolls 110B and 110C are almost equivalent to the roll diameter.
The upper small diameter row
File 110B defines a storage area for the stack portion 112.
It is located on the upper edge of the yajoger 112R and
The outer surface of the tape 110T wrapped around the rear jog
-It is set to match the inner surface of
Tape wrapped around the upper small-diameter roll 110B around the part 112
With the outer surface of 110T facing, the gap with the accommodation
It does not happen. Also, the lower small diameter roll 110
C is located at a distance from the back of rear jogger 112R.
To prevent interference with the transport tape 110T.
It is. The lower low speed tape means 110 has
Cut paper transport surface is discharged from the upstream end roll 110A.
Multiple moving toward the upper small-diameter roll 110B on the end side
The outer surface of the transfer tape 110T has an upward facing surface.
So that the transfer surface of the pair of rolls 1 performs suction transfer.
Sliding surface of tape 110T located between 10A and 110B
Is provided.
You. This vacuum box 184 has a lower high-speed tape
Formed as a hollow container as in step 106,
The suction duct 186 provided at the lower part of the
So that it can be connected to
I have. Each tape running surface area of the vacuum box 184
Is provided with a plurality of long holes 188.
88 is covered by the back surface of the transport tape 110T.
I have to. Then, over the entire length of each tape 110T
Thus, a plurality of suction holes 190 are opened. This
The tape 110T slides on the vacuum box 184.
When sliding on the surface, the negative pressure of the vacuum box 184
Is formed on the back side of the transport cut paper through the suction hole 190.
With the cut paper in close contact with the tape 110T.
It is conveyed by suction together with the tape. The transport tape 110T is driven to rotate around the upstream end.
This is performed by rotating the tool 110A.
This is a belt drive system, as shown in FIG.
In addition, the belt 19 around which the roll pulley 192 is wound
4 through the drive pulley 196
ing. The drive pulley 196 has a continuously variable transmission (not shown).
) To set the transport speed of the transport tape 110T
Adjustable. With this adjustment, low-speed transport
The feeding speed to the stack part by the surface is adjusted,
The overlap amount of the same paper can be changed. The storage area of the stack section 112 is
The rear jogger 112R to be regulated is the vacuum
Attached to box 184. That is, rear
As shown in FIG. 12, a plurality of joggers 112R are provided.
Strip hanging from the gap between the transfer tapes 110T
Vacuum box 18
4 attached to the bracket 191 fixed to
You. A part 112R 'of a plurality of rear joggers 112R
Is equipped with a vibrator 193 (see FIG. 1).
The pile of cut paper stored in the tack section 112 is vibrated.
So that the end faces are aligned. Rear jogger 11
The front surface of the 2R is, as described above, a transport tape 110T.
Are set so as to be on the same plane as the front edge of the front end. Conveyed by the upper high-speed tape means 108
The cut paper that has been cut flows into the stack unit 112 in a high-speed transport state.
And simultaneously extended by the high-speed tape means 108Y.
Reliably sucked and transported to the upper surface of the stack unit 112
However, the cut edge of the cut paper is
Especially from the high speed suction area of the main high speed tape means 108X.
Immediately before exiting, the lower speed is reduced by the snapper roll 174.
Delivered to the tape means 110, and at the same time extended high-speed tape
The suction of the means 108Y is shut off, and the auxiliary snapper roll 1
It is separated from the extended conveyance surface by 74A and 174B.
As a result, the lower low-speed tape means 110 absorbs the trailing edge of the paper.
The paper can be pulled and conveyed, and the cut paper can be conveyed at a reduced speed. This
Paper transported by the lower low-speed tape means 110
Is sent out to the stack unit 112, but the stack unit 11
2 is the vacuum of the lower speed tape means 110
A rear jogger 112R attached to a box 184,
With the front jogger 112F arranged facing this
The front and rear area is defined by
Side jogger 112S attached to the side plate 130
Defines left and right regions. Stack unit 112
By the joggers 112R, 112F, 112S
Having a table 195 that moves up and down in the enclosed storage space
The cut paper conveyed on the table 195 is
I'm trying to ring. The front jogger of the stack section 112
-Vibrator for 112F and side jogger 112S
198 is attached, and the end face of the cut sheet pile is aligned.
I am trying to. In addition to such a configuration, in this embodiment,
The outline is shown in FIG. 1 and FIG. 10 and the details are shown in FIG.
As shown in FIG.
Place the electricity removal bar 212 and beside it
An air nozzle pipe 214 is arranged. Static removal bar
212 and air nozzle pipe 214
The low-speed tape unit 11 is located below the conveying surface of the step 108.
Crossing the transport line located almost in the same row as the transport plane
Are arranged as follows. The static elimination bar 212 is shown in FIG.
As shown in FIG.
And arrange them at regular intervals in the longitudinal direction.
I have. Corona discharge is generated near the discharge needle 216.
To generate positive and negative ions. Ma
In addition, the air nozzle pipe 214 is connected to the static elimination bar 212.
Of the discharge needle 216
From the position on the upstream side in the transport direction adjacent to
Air is blown out in the flow direction. This
Outlet 2 pierced in the air nozzle pipe 214
14A is inclined obliquely upward, and the air is
08 along the lower surface of the cut sheet that is moving
Poured into the paper transfer area of the lower speed tape means 110
It is supposed to be. This outlet is the width of the transfer line
A plurality of sheets are provided along the
It has become popular. For this reason, the upper high-speed tape
Paper cut by means of snapper roll 174 from means 108
When the bottom of the paper is delivered to the lower speed tape means 110
Between the delivered cut sheet and the succeeding cut sheet.
Positive ions, negative ions by air blow between
Air containing air is introduced to remove static electricity from the paper and
An air layer is formed between the sheets. Therefore the lower part
Supplied from the low-speed tape unit 110 to the stack unit 112.
Is transported at a low speed and is continuously stacked in a
112, but this overlap
Layer is interposed and introduced into the stack portion 112.
Papers slide smoothly when they are touched, and the end faces are aligned quickly
It will be. With the printing machine sheeter thus constructed,
Is cut paper cut to a predetermined size by the cutting unit 104
Is first introduced into the lower high-speed tape means 106,
Is transported at a high tape speed while the lower side is sucked.
You. A lifting gear is provided at the discharge end side of the lower high-speed tape means 106.
The cut paper being transported is provided with an id 148.
Is guided by this lift guide 148 and the upper high-speed tape
It is introduced on the means 108 side. Upper high-speed tape means 108
Is the main high-speed tape unit up to the entrance of the stack unit 112
108X and the top of the stack 112.
With the extended high-speed tape means 108Y
The suction conveyance mechanism is also provided to the position where the stacking can be almost performed on the portion 112.
The cut paper is
Conveyed at tape speed. This upper main high speed tape hand
Snapper roll 17 provided near the discharge end of step 108X
4 when the paper edge of the cut paper reaches the front end of the suction area
It acts to separate the cut sheet from the transport surface. simultaneous
The suction action of the extended high-speed tape means 108Y stops at
The auxiliary snapper rolls 174A and 174B are the stack unit 1
Push the cut paper away toward 12. Because of this, cut paper
Most of the was sent above the stack 112
Is transferred to the lower speed tape means 110 in the
Only the minute is in the suction state. With the lower speed tape means 110
Is the cut paper passed from the snapper roll 174
It sucks the buttocks to provide braking action, decelerates and stacks
And feed it to 112 and stack it on the lifting table 195
It is. In particular, in this example, the lower low speed tape means 1
In the front stage of No. 10, the transfer state is set by the electrostatic removal bar 212.
Static electricity is removed from a cut sheet, and the lower
When the cut sheet is delivered to the
The air blown out from the nozzle pipe 214 is positive
Blows out ions and negative ions in the transport direction,
Neutralizes and removes electricity, on lower low speed tape means 110
Air between the paper being transported while overlapping in a tile
A layer is formed. Further, the lower low-speed tape means 110
The bottom of the paper is sucked to provide a braking action,
When supplying to the tack section 112,
0 so that the paper discharge end is knife-edge shaped.
Part small diameter roll 110B
So that it is located at the upper edge of the specified rear jogger 112R.
The gap between the stack portion 112 and the accommodation portion is
This prevents paper jams from occurring.
ing. Also, the lower low-speed tape means 110 has cut paper.
Only the bottom part of the paper
It is configured to be transferred by Parole 174
Therefore, make sure that the leading edge of the paper
So that it can be supplied smoothly to the stack 112 at a low speed.
can do. From the above, theta for a printing press is considered.
Now, high-speed conveyance of cut paper by suction on the bottom, suction on the top
Most of the cut paper is fed to the stack 112
Send the part and cut it with the low-speed transport tape means 110
High-speed tape
Paper from the cutting means 108 to the lower speed tape means 110
When delivering the product, remove the static electricity and
Forming an air layer between the cut sheets to form a low-speed tape
Is supplied to the stack unit 112 by the
12, the end face alignment of the cut sheet becomes extremely good. Ma
In this embodiment, the paper trailing portion is left to the pile position.
High-speed transfer enables significantly shorter transfer time
And can be reduced by the low-speed transport tape means 110.
The low-speed transport distance can be shortened. This allows for piling time
High speed reduction effect and the short low-speed transport area
Data length can be shortened. Also, low speed transport tape
Delivery of cut paper from the means 110 to the stack unit 112
Shiha snapper roll 174 and extended high-speed tape means 10
The auxiliary snapper rolls 174A and 174B of the 8Y portion
Is performed. The lower low-speed tape means 110
Because of the delivery, the low-speed transport tape unit 110 and the
The end of the cut paper is caught at the joint with the paper
There is no bleeding, and no paper jam occurs.
In the above-described embodiment, the lower high-speed tape means is used for suction conveyance.
However, transport in this area may be simple tape transport.
No. Also, the upper high-speed tape means 108 is connected to the upper main high-speed
Tape unit 108X and extended high-speed tape unit 108Y
Therefore, the suction conveyance at the upper surface of the stack unit 112
But the extended high-speed tape means 108Y
Can also be applied to those having a structure in which is omitted. [0040] As described above, the present invention provides a web
On the exit side from the cutting section
And the lower speed tape means,
At the discharge end of the lower low-speed tape
A printing press sheeter provided with a locking portion,
The high-speed tape and lower low-speed tape are provided with suction means.
And a means for transferring cut paper between tapes is provided,
The upper high-speed tape covers the upper surface of the stack section.
Extend from the upper high-speed tape to the lower low-speed tape
The transfer means is shaped so that the bottom of the cut sheet can be pressed
And transport the cut paper to the front of the lower low-speed tape.
Air blowing means with the blowing direction directed to the
Air can be blown into the cut paper overlapping gap
So that it can be transported from cutting the print web to piling.
In the transport process, especially from high-speed tape
When transferring, the cut sheet that precedes and the subsequent cut sheet
Effectively removes electrostatic adhesion between cut paper and
The excellent effect that can be obtained is obtained.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall side view showing an outline of a printing press sheeter according to an embodiment. FIG. 2 is a side view of a lower transport tape unit. FIG. 3 is a partial plan view of the same. FIG. 4 is an upstream side view of the upper high-speed tape means. FIG. 5 is a partial plan view of the same. FIG. 6 is a side view of the extended high-speed tape means. FIG. 7 is a partial plan view of the same. FIG. 8 is a side view and a sectional view for explaining a vacuum box and an opening / closing valve mechanism of the extended high-speed tape means. FIG. 9 is an end view of the same. FIG. 10 is a side view of the lower low speed tape means. FIG. 11 is a partial plan view of the lower low-speed tape means. FIG. 12 is a downstream end view and a partial side view of the lower low-speed tape means. FIG. 13 is a side view and a plan view showing a configuration of an electrostatic removal bar and an air nozzle pipe. FIG. 14 is a configuration diagram of a conventional theta. DESCRIPTION OF SYMBOLS 100 theta 102 print web 104 cut section 106 lower high-speed tape means 106A inlet-side roll 106B outlet-side roll 106C tension roll 106T transport tape 108 upper-side high-speed tape means 108A inlet-side roll 108B outlet-side roll 108C intermediate roll 108D drive Roll 108T Transport tape 108DP Pulley 110 Lower low speed tape means 110A Upstream end roll 110B Upper small diameter roll 110C Lower small diameter roll 110T Transport tape 112 Stack section 112F Front jogger 112R Rear jogger 112R 'Rear jogger 112S Side jogger 114 Draw roll 116 Press roll 118 Fly knife 120 Fixed knife 128 Roll pulley 130 Frame side plate 132 Drive pulley 134 Reverse pulley 1 6 Intermediate pulley 138 Belt driving device 140 Vacuum box 142 Suction duct 144 Long hole 146 Suction through hole 147 Nip roll 148 Lift guide 150 Vacuum box 151 Cylindrical vacuum box 152 Suction duct 153 Suction duct 154 Long hole 155 Long hole 156 Suction through hole 158 Front arm 160 Rear arm 162 Rotating fulcrum 164 Front lifting cylinder mechanism 166 Rear lifting cylinder mechanism 168 Tension roll 170 Air cylinder 172 Bell crank 174 Snapper roll 176 Rotating shaft 176P Pulley 178 Mounting block 180 Separation brush 180A Plate 180B Brush fiber 182 Drive pulley 184 Vacuum box 186 Suction duct 188 Long hole 190 Suction through hole 191 Bracket 192 Rupuri 193 Vibrator 194 belt 195 lifting table 196 driven pulley 200 on-off valve mechanism 202 rotates the rod 204 Barubupuri 206 belt 208 driving pulley 210 valve 212 static elimination bars 212A outlet 214 the air nozzle pipe 216 discharge needle

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B65H 29/68 B41F 13/64 B65H 29/24 B65H 29/66

Claims (1)

(57) Claims 1. An upper high-speed tape means and a lower low-speed tape means are arranged on the exit side from a cut section for cutting a web into sheets, and the lower low-speed tape means is discharged. In a sheeter for printing press provided with a stack portion of cut paper on the end side, the upper high-speed tape and the lower low-speed tape are provided with suction means and cut paper transfer means between tapes, and the upper high-speed tape is provided. The transfer means extending from the upper high-speed tape to the lower low-speed tape is formed so as to be able to press the trailing edge of the cut paper, and the transfer of the cut paper to the front part of the lower low-speed tape is performed. Air blow means whose blowing direction is directed to the direction side and corona discharge is generated adjacent to the air blow means
A sheet for a printing press, characterized in that the sheet is provided with an electrostatic elimination bar for removing air , and air containing ions generated in a cut paper overlapping gap portion can be blown.