JP2001287851A - Cutting device for sheet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the scratching of a sheet S caused by the high-speed carrying of the sheet S. SOLUTION: This device comprises a charging part 2 for placing the sheet S in a stacked state, a carrying part 3 for taking and carrying out the sheet S from the charging part 2, and a cutting part 4 for receiving the sheet S from the carrying part 3. A reversing passage part 24 for the sheet S is provided in a position just before the cutting part 4 closer to the downstream side of the carrying part 3. Accordingly, the nipping of the sheet S from upper and lower sides by a strip belt conveyor is dispensed with in the carrying of the sheet S before and after reversion. Namely, the cause of scratching the sheet S is eliminated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sheet material cutting device that can be used when cutting a sheet material such as paper toward a downstream process.

[0002]

2. Description of the Related Art In recent years, the bookbinding processing speed has been extremely increased in the bookbinding process for magazines, books, and inserted advertisement collections, and in order to cope with this, signatures (paper) are also required between upstream processes. There is a need to convey such sheet materials at high speed. Therefore, in many cases, the sheet materials being conveyed are in a sashimi state in which their leading and trailing ends are overlapped. For example, JP-A-58-10485
No. 0 and JP-A-59-86557 disclose a suction roller (a material capable of generating a suction action from the outer peripheral surface toward the rotation center) of the uppermost sheet material in the laminated state. Then, an apparatus is described in which the suction roller is rotated and driven to take out the sheet material sheet by sheet while adhering the sheet material to the outer peripheral surface of the suction roller.

[0003] That is, there is a time lag in the take-out pitch between the sheet materials taken out in this way, and this acts to generate a sashimi state. As shown in FIG. 12, in these conventional apparatuses, in the conveying direction of the sheet material S after being taken out (from right to left in FIG. 12), the preceding sheet material S
(Referred to as S1), the trailing end of the sheet material S (S2
) In a vertical positional relationship that covers the front end portion.

If the sheet material S is conveyed to the target position in such a vertical positional relationship, if it becomes necessary to sequentially stack the sheet materials S that have arrived first at the target position. However, there is a disadvantage that this cannot be performed. In addition, the stacking after taking out here is compared with the stacking state before taking out by the suction roller,
The number of laminations is a small number (small edge), and the state is high in positioning accuracy for subsequent cutting. Therefore, in order to avoid these inconveniences, any of the above-described conventional apparatuses immediately reverses the sheet material S sucked up by the suction roller by the reversing roller action (two-dot chain line arrow R in the drawing). In this manner, the rear end of the preceding sheet material S (hereinafter, referred to as S3) is moved to the next sheet material S (S3).
4) to allow the stacking after removal.

[0005]

In each of the above-mentioned conventional apparatuses, the sheet material sucked up by the suction roller is immediately turned upside down by the action of the reversing roller. In order to prevent the sheet material from curling or curling, the upper and lower surfaces of the sheet material are sandwiched between different belt conveyors, and the sheet material is conveyed to a target position as it is. However, in this case, when the sheet material comes into contact with the upper and lower belt belt conveyors, there is a possibility that the sheet material may be scratched, especially when a speed difference occurs between the upper and lower belt belt conveyors. However, the risk of abrasion of the sheet material also increased accordingly.

[0006] The occurrence of such scratches on the sheet material becomes a very serious problem when the sheet material is used as a cover in a magazine or the like (the cover is a face in a magazine or the like, and if the cover is a scratch in a magazine or the like). Is immediately linked to its commercial value.) The present invention has been made in view of the above circumstances, and even in a case where a sheet material is conveyed at a high speed, the conveyance is not caused to cause abrasion or the like on the sheet material. It is an object of the present invention to provide a sheet material cutting-out device.

[0007]

In order to achieve the above object, the present invention takes the following measures. That is, the sheet material cutting device according to the present invention includes a loading unit that can receive the sheet material in a stacked state, a transport unit that takes out the sheet material from the loading unit while taking out the sheet material, and the transport unit. And a cut-out section for receiving the sheet material carried out by the above.
What is important here is that, in the conveying section, a position that is located downstream of the conveying direction, that is, immediately before attempting to position the sheet material in the cutout section, the sheet material is turned downward and turned upside down. That is, a reversing passage portion is provided.

Therefore, it is not necessary to sandwich the sheet material before and after the reversal between the belt belt conveyors at the upper and lower sides. Therefore,
This can prevent abrasion of the sheet material during transportation. This not only has the effect of preventing scratches on the sheet material, but also prevents the sheet material being conveyed from being displaced or warped, and further simplifies the apparatus. This leads to an advantage that the sheet material is suitable for high-speed conveyance of the sheet material.

Therefore, the sheet material cutting device according to the present invention is not limited in its use and purpose of use (such as prevention of scratches on the sheet material). In the above-mentioned loading section, the phrase "take out the sheet material for each sheet" clearly states that the sheet material is not taken out at once in a stacked state, and the taking-out state to be sashimi-like as described later ( (When the sheet material is continuously removed while partially overlapping). The loading section is provided with a level setting means for holding the uppermost sheet material in the stacked state in accordance with the level of removal by the transport section.

The level setting means includes a lifting means for lifting the sheet material laminated body, and a provisional means for holding the sheet material laminated by the lifting means on the lowermost surface from both sides so as not to fall off. And holding means. Of these, the lifting means is provided with a lifting platform which can support the sheet material laminate and can move up and down.
The elevating table is in a raised state when the sheet material stack on the table is delivered to the temporary holding means. Then, the lift means then lowers the elevating platform to stop at the lower set position, and prepares for loading of a new sheet material stack. Then, when a new sheet material stack is loaded on the lift table, the lift table is raised again.

As a result, the stack of sheet materials on the lift table can be pressed (pushed up) onto the lower surface of the preceding stack of sheet materials held by the temporary holding means.
In this way, a sufficient amount of sheet material can always be stocked in the loading section. The temporary holding means of the level setting means has a pair of holding arms which swing about a swing axis provided above the lowermost level of the sheet material laminate raised by the lift means as a fulcrum. .

In this case, the holding arm swings like a pendulum, and the holding members are released from each other by the crotch-opening mutual separating operation of the holding arms, thereby releasing the sheet material laminate held by the temporary holding means. In this case, there is an advantage that generation of scratches on the lowermost sheet material can be suppressed. In the transport section,
As described above, the reversing passage portion is provided so that the sheet material is U-turned downward at the downstream side in the conveying direction and the sheet material is turned upside down. In this transport unit, it is assumed that a sheet separating means for blowing air toward a sheet material (not limited to the uppermost one) in an upper layer portion in a loading unit to ensure one sheet is provided. be able to.

The conveying section may employ a suction conveyor having a permeable belt and a suction chamber provided with a suction port facing downward on an inner peripheral portion of the lower side of the belt. If such a suction conveyor is adopted, the upper surface of the rear end of the uppermost sheet material is sucked against the sheet material stacked in the loading section, and the sheet material can be sent out in the sucked state. As a result, as a result, the sheet materials being conveyed can be brought into a sashimi state in which their leading and trailing ends overlap.

In such a transport section, a suction conveyor is
It is preferable that the position can be adjusted with respect to the loading section in a direction along the transport direction. That is, if such a configuration is adopted, by adjusting the position of the suction conveyor, the sashimi pitch between the sheet materials sent out by the suction conveyor can be changed as necessary. In this suction conveyor, the belt belt may be formed as a toothed belt having a feed dog along the longitudinal direction of the inner peripheral surface thereof. In this way, the driving force can be prevented from slipping,
It is possible to prevent the conveyance pitch deviation due to belt elongation and the like.

[0015] In this case, it is preferable to provide a stepped portion having a tooth length reduced on both sides in the width direction of the band belt, and the suction chamber is engaged with the stepped portion of the band belt. It is preferable to provide a hermetic guide that performs the operation. By doing so, it is possible to avoid air leakage due to the use of the toothed belt as the belt belt, thereby preventing a reduction in suction pressure. The cutout portion is provided with positioning means for regulating the sheet material immediately after being fed out of the reversing passage portion of the conveyance portion in the front-rear direction and the left-right direction.

The positioning means includes a movable shift piece (for the front-rear direction and for the left-right direction) capable of alternately applying vibration to at least one end in the front-rear direction and at least one end in the left-right direction of the sheet material. ). This enables a positive position correction. The sheet material cutting device according to the present invention is particularly useful when the sheet material is used as a cover of magazines.

[0017]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows an overall configuration of an embodiment of a sheet material cutting device 1 according to the present invention. The cutout device 1 has a loading section 2, a transport section 3, and a cutout section 4. The loading unit 2 includes the cutting device 1
As shown in FIG. 2 and FIG. 3, the sheet material S can be placed on the left end of FIG. It is in a state of being greatly opened.

A large number of sheet materials S are stacked in advance by a mechanical operation or a manual operation in a process (not shown) upstream of the cutting device 1 and have a small bundle shape or a large bundle shape (column shape). (Hereinafter, those in these states are referred to as “sheet material laminate T”). First, loading section 2
(See FIG. 1) will be described. In the loading section 2, the height of the sheet material S, which is the highest in the stacked state in the sheet material laminate T, is adjusted so as to be adjusted to the unloading level toward the transport section 3, and is always substantially constant. Level setting means 7 is provided.

The level setting means 7 has a lifting means 8 for raising the sheet material laminate T and a temporary holding means 9 for receiving the sheet material laminate T after the lifting. The lifting means 8 includes an elevating platform 12 having a sufficient receiving space for supporting the sheet material laminate T, and an elevating drive unit 13 for elevating the elevating platform 12 within a predetermined height range. ing. Although a detailed illustration is omitted in each case, the elevator 12
Is a support guide (a plate-like or rod-like member that stands up) arranged in a comb-like shape, a flat plate-like shape, or a lattice-like shape, and a linear guide provided in a vertical direction. The lifting drive unit 13 is provided with a motor drive combined with an appropriate transmission method such as a winding transmission method, a meshing method using a rack and a pinion gear, a feed screw method, or a fluid pressure cylinder drive. Have been.

A pair of elevating guides 14 are provided inside the loading port 6 (see FIGS. 2 and 3) so as to sandwich the range in which the elevating table 12 moves up and down from both sides in the width direction. . These elevating guides 14 are mounted on the elevating table 12.
This is for preventing the sheet material laminate T placed thereon from collapsing, and is made of a bar or a plate. The temporary holding means 9 has a pair of holding arms 15 that can be engaged with the lowermost surface of the sheet material laminate T from both sides thereof.

Each of the holding arms 15 has a swing shaft 16 at a height position higher than the lowermost level of the sheet laminate T raised by the lift means 8.
6 can be swung in the left-right direction with the fulcrum as a fulcrum. Further, at the lower end of each holding arm 15, there is provided a claw portion 17 protruding in a direction facing each other, and the claw portion 17 can be engaged with the lowermost surface of the sheet material laminate T. The holding arms 15 are driven to swing in synchronization with each other in a mutually approaching direction or a mutually separating direction by a swing driving tool 18 using a fluid cylinder or the like. Accordingly, the swing of each of the holding arms 15 is a pendulum-like movement, and the movements of the arms 15 are close to each other, that is, a crotch-closed movement.
The mutual separating operation, that is, the crotch-like operation is alternately performed.

As is apparent from the above, in this level setting means 7, initially, the lifting means 8 is
Is positioned at the lower set position, and the temporary holding means 9 is on standby in a state in which the holding arms 15 have previously been moved away from each other. Then, when the sheet material laminate T is loaded on the elevating platform 12 of the lifting means 8 from this standby state, the lifting means 8 raises the elevating platform 12, and the lowermost surface of the sheet material laminate T on the platform is The level is set higher than the claw portions 17 of the both holding arms 15 in the temporary holding means 9. Then, in response to this, the temporary holding means 9 causes the two holding arms 15 to move close to each other, and receives and holds the sheet material laminate T from the lift means 8.

Thereafter, the lifting means 8 once lowers the elevating platform 12 to the original lower set position to prepare for loading of a new sheet material laminate T. When a new sheet material laminate T is loaded on the lift 12, the lifting means 8 raises the lift 12 again. When the uppermost surface of the sheet laminate T on the elevating table 12 comes closest to the lowermost surface of the preceding sheet laminate T held by the temporary holder 9, the temporary holding means 9 Move the arms 15 away from each other,
The sheet material laminate T held until then is released gently.

At this time, as described above, each of the holding arms 1
Since the operation 5 is pendulum-shaped, the separation of the claw portion 17 from the lowermost sheet material S in the sheet material laminate T is instantaneously performed while including a vertical movement component. Scratching of the sheet material S is suppressed as much as possible. In this way, the previous sheet material laminate T and the new sheet material laminate T are united in the vertical direction, and the stock amount of the sheet material S in the loading section 2 becomes a sufficient amount. Thereafter, from the loading section 2 to the transport section 3 on the downstream side,
As the sheet material S is taken out from the uppermost side as the sheet material laminate T, the elevating platform 1 of the lifting means 8 is adjusted so that the height of the sheet material laminate T decreases.
2 is gradually rising.

The raising and lowering of the elevating table 12 is performed intermittently each time the height of the sheet material laminate T is reduced to a predetermined amount, or synchronized with the reduction of the height of the sheet material laminate T. In any case, the operation is controlled by a sensor detection signal from a sensor (not shown) provided at an appropriate height position or a carry-out count signal from the carrying unit 3 or the like. It is good as it is. In this way, the ascent / descent table 12 continues to be lifted, and when the level of the rise is equal to or higher than the claw portions 17 of the both holding arms 15 in the temporary holding means 9, the temporary holding means 9 is moved to the both holding arms 15.
Are moved close to each other, and the sheet material laminate T is received from the lifting means 8 and held. Subsequently, the lifting means 8 lowers the elevating platform 12 to the lower set position to prepare for loading of a new sheet material laminate T.

Thereafter, in the loading section 2, the above series of operations is repeated. As shown in FIG.
In the present embodiment, one of the pair of elevating guides 14 provided inside the loading port 6 is provided with a width adjusting mechanism 20 that allows the mutual distance to be adjustable. The width adjusting mechanism 20 specifically uses a parallel link, and allows the one elevating guide 14 to move laterally while the one elevating guide 14 is in a vertical state by vertically swinging the operation lever 21. For this reason, the cutting apparatus 1 has an advantage that various kinds of sheet materials S having different lengths in the width direction (direction orthogonal to the conveying direction in a plane) can be handled.

Next, the transport section 3 (see FIG. 1) will be described. The transport unit 3 is to take out the sheet material S from the loading unit 2 while taking out the sheet material sheet by sheet.
2, a vertical feed passage portion 23, a reverse passage portion 24, and a discharge portion 25. The unloading section 22 is provided with the loading section 3 described above.
The sheet material S is to be sequentially taken out from the top of the sheet material laminate T held in the above, and as shown in an enlarged view in FIG. The suction conveyor 26 positioned so as to be able to contact the sheet material S from above, and the sheet provided toward the sheet material S (not limited to the topmost one) in the upper layer of the sheet material laminate T And a separating means 27.

As shown in FIG. 4, the suction conveyor 26 comprises
An endless band belt 28 having air permeability is circulated in one direction, and a suction chamber 30 is provided on an inner peripheral portion of the band belt 28 at a lower tension side with a suction port 29 facing down. The inside of the pump 30 is suctioned at a negative pressure by a suction device (not shown). In the present embodiment, the band belt 28 employs a belt formed as a toothed belt having a feed dog 31 along the longitudinal direction of the inner peripheral surface thereof. Pulley 32 for transmitting force
For example, a toothed pulley is employed. As a result, slippage of the driving force and deviation of the conveyance pitch due to belt elongation and the like are prevented.

The air permeability of the belt 28 is ensured by the air holes 33 formed through the entire length in the longitudinal direction (circumferential direction) and a predetermined ratio in the width direction. However, it is also possible to use a material (for example, a material having a porosity) as a material itself for forming the belt belt 28. In this case, the ventilation holes 33 are naturally unnecessary. . When a toothed belt is used as the band belt 28 in this manner, the tooth length of all the feed teeth 31 is cut off on both sides in the width direction of the band belt 28, thereby forming the entire belt belt 28 in the inner circumferential direction. In addition to forming a stepped portion 34 that is flat in the circumference, the suction chamber 30
The belt belt 2 is extended so that the lower end of the side wall is extended downward.
It is preferable to provide an airtight guide 35 that can be engaged with the stepped portion 34 of FIG.

By doing so, in the area where the belt belt 28 passes under the suction box 30, air leakage from between the feed teeth 31 (interdental dent) is less likely to occur, and the suction pressure is reduced. Can be prevented as much as possible.
In the case of such a suction conveyor 26, by circulating the driving of the belt belt 28 and starting the suction in the suction box 30, the uppermost sheet of the sheet material laminate T in the region directly below the suction box 30 is started. The material S is adsorbed on the lower surface of the belt 30, and the adsorbed sheet material S
Will be sent out as is.

When the uppermost sheet material S has not been conveyed from the upper portion of the sheet material laminate T, the next highest sheet material S is attracted to the lower surface of the belt 30. Therefore, as a result, this suction conveyor 26
Is unified on the upper surface portion near the rear end of each sheet material S (that is, on the downstream side in the transport direction). Therefore, the sheet materials S to be sent out exhibit a sashimi state in which their front ends are lower and their rear ends are upper, and the overlapping relationship is repeated. This means that the sheet material S can be taken out one by one.

As shown by a white arrow X in FIG. 6, if the suction conveyor 26 can be adjusted with respect to the loading section 2 in a direction along the transport direction (specific detailed structure thereof). Are omitted), and the sashimi pitch between the sheet materials S can be increased as the suction conveyor 26 is moved to the upstream side (left side in FIG. 6) in the conveyance direction, and conversely, the suction conveyor 26 is moved in the conveyance direction. Downstream side (right side in FIG. 6)
, The sashimi pitch between the sheet materials S can be reduced. Therefore, the sashimi pitch between the sheet materials S can be changed as necessary. Therefore, when it is desired to change the conveyance speed, for example, when the length of the sheet material S in the front-rear direction is different, This is convenient when the user wants to consider the ease of slipping as the material of the material.

As shown in FIG. 5 and FIG. 6, the sheet separating means 27 is for ensuring one sheet is taken as the sheet material S being sucked and conveyed by the suction conveyor 26. Air is blown toward the sheet material S via a nozzle 37 provided around the upper part of the sheet material. The effect of the sheet separating means 27 is that the sheet material S being sucked and conveyed by the suction conveyor 26 and the sheet material S on the lower side thereof
Air may be blown between the upper and lower sides of the nozzle 37 to cause their peeling action. The installation position and the installation direction of the nozzles 37 (air blowing direction), the installation number, the nozzle shape, and the air For the transitional operation and the like that the tracing of the sheet material S finally exerts on the sheet material S,
There is no particular limitation.

In the present embodiment, at the position directly above the loading section 2, the rear end side of the uppermost sheet material S of the sheet material laminate T (that is, the downstream side in the transport direction and On the left side), one nozzle 37 is provided in a substantially horizontal state toward the sheet material S, and the other side of the nozzle 37 sandwiching the sheet material laminate T, that is, the front end side of the sheet material S (that is, in the transport direction) 5 and 6 (right side in FIGS. 5 and 6), one nozzle 37 is provided obliquely toward the sheet material S from slightly below. The vertical feed passage 23 can be configured by employing a vertical feed conveyor 44 formed by extending an endless belt 43 between a plurality of wheels 42. The vertical feed conveyor 44 is provided with any of the wheels 4
Reference numeral 2 denotes a driven conveyor to be driven.

The sheet material S fed from the loading section 2 through the take-out section 22 (suction conveyor 26) to the vertical feed path section 23 remains in the flat feed state (still passes through the reverse path section 24). Therefore, as the vertical feed conveyor 44 employed here, a simple structure sufficient to support the sheet material S on the lower surface side is sufficient. That is, unlike the conventional situation, it is not necessary to pinch the sheet material S between the upper and lower belt conveyors, so that the sheet material S is prevented from being scratched while being conveyed.

As shown in FIG. 7, in this embodiment, an installation interval adjusting mechanism 45 is provided at one end side (the right side in FIG. 7) in the transport direction of the vertical feed conveyor 23 to change the length of the upper tension side. I can do it. For this reason, the cutting apparatus 1 has an advantage that various materials having different lengths in the front-rear direction can be handled as the sheet material S. The reversing passage portion 24 is a portion where the sheet material S sent out from the vertical feeding passage portion 23 is turned downward and turned upside down, and is provided at a position which is a downstream end of the vertical feeding passage 23. This position is closer to the downstream as the transport unit 3 and corresponds to a position immediately before the sheet material S is positioned by the cutout unit 4.

As shown in FIG.
Are a rotary drum 47 and an inner transport belt 48 and an outer transport belt 49 that are double-wound around the rotary drum 47.
And The inner transport belt 48 and the outer transport belt 4
9 may be a wide band belt corresponding to the sheet material S, or a plurality of band belts having a narrow width like a string;
It may be one that is used in parallel, or one that uses a plurality of round cord-shaped bang cord belts in parallel.

The rotary drum 47 is rotatably held and is not driven. As shown in FIG. 8A, the inner peripheral transport band 48 is provided so as to form an endless shape by making one round around the rotary drum 47. Then, only the opposite side of the rotary drum 47 corresponding to about half a circumference (the right half in FIG. 8A) corresponding to the forward side in the transport direction following the vertical feed passage portion 23 is in close contact. In a half circumference, it is stretched over a plurality of wheels 50 provided in this area. The inner transport belt 48 itself is not driven.

As shown in FIG. 8 (b), the outer transport belt 49 is provided so as to form an endless by itself by being stretched over a plurality of foils 51. Then, it is pressed in a half-wrapped manner in such an arrangement that it completely overlaps the inner peripheral transport band 49 for about the same half circumference as the inner peripheral transport band 49 is in close contact with the rotating drum 47. The outer peripheral transport band 49 is driven by one of the above-described wheels 51 (in the illustrated example, a foil denoted by reference numeral 51a is located on the left side of the lower end position), so that the rotating drum 4 is driven.
The transmission of the drive occurs at the portion where the inner peripheral transport band 48 overlaps with the inner peripheral transport band 48, and as a result, the rotation of the rotary drum 47 and the circulation drive of the inner peripheral transport band 48 are performed together with the outer peripheral transport band 49. It has become.

That is, in the reversing passage section 24, the rotating drum 47 and the outer transport belt 49 are driven through the drive applied to the inner transport belt 48. It is inevitably synchronized. Then, the sheet material S delivered from the vertical feeding passage portion 23 is supplied to the inner transport belt 48 and the outer transport belt 49.
Are conveyed in a double-sided sandwich state in the overlap region with the above. In addition, in the reversing passage portion 24 of the present embodiment, as shown in FIG. 9, an opening / closing mechanism 55 is provided to facilitate maintenance of the cutout portion 4.

The opening / closing mechanism 55 is driven by a driving tool 56 such as a fluid pressure cylinder or the like, and a casing 57 incorporating the entirety thereof (the rotating drum 47, the inner transport belt 48 and the outer transport belt 49).
Is swung around the pivot 58. Although illustration is omitted, in addition to the opening / closing mechanism 55, a maintenance mechanism for eliminating clogging of the sheet material S generated in the reversing passage portion 24 and adjusting the tension of the inner peripheral transport band 48 and the outer peripheral transport band 49 is also provided. It may be provided appropriately. The discharge portion 25 causes the sheet material S discharged from the reversing passage portion 24 to undergo a gentle bending (warping) deformation within the elastic range in the width direction thereof, and thus the sheet material S
The stomach is about to be strengthened, and the spitting is gaining momentum.

Although not shown, the discharge portion 25 may have a simple structure in which a central portion in the width direction of the sheet material S is lightly pushed from one surface by a bar or a plate. Next, the cutout section 4 (see FIG. 1) will be described. The cutout section 4 receives the sheet material S carried out from the transport section 3 (the discharge section 25), and is positioned in a predetermined arrangement as shown in an enlarged and disassembled manner in FIG. Means 60 are provided.

The positioning means 60 is provided with the reversing passage 24
The sheet material S immediately after being fed out of the printer has a front-rear position restricting portion 61 for restricting the front-rear direction and a left-right position restricting portion 62 for restricting the left-right direction. The front-rear position restricting portion 61 moves in the conveying direction as the sheet material S sent out from the reversing passage portion 24 (since after passing through the reversing passage portion 24, the direction is opposite to the description so far, and goes from right to left in FIG. Direction), there is a pair of shift pieces 65 and 66 that are sorted before and after the direction.

One (the front side in the illustrated example) is a fixed shift piece 65, and the other is a movable shift piece 66. The movable shifting piece 66 is provided with a longitudinally movable table 69 movable along a guide rail 68 whose longitudinal direction is directed forward and backward.
In contrast, it is held via a support arm 70 so as to be movable back and forth. The front and rear moving table 69 is provided with a cam hole 71 which is long in the left-right direction. The cam follower 73 which is horizontally moved by the motor 72 with respect to the cam hole 71.
Is to be fitted.

Further, the left and right position regulating section 62
A pair of approach pieces 75, 76 distributed to both sides in the width direction of
have. One of them (in the example shown, the back side)
Is a fixed shift piece 75, and the other is a movable shift piece 76. The movable shifting piece 76 is movable horizontally along a guide rail 78 whose longitudinal direction is directed to the left and right.
9 is supported by a support arm 80 so as to be movable left and right. The left and right moving table 79 is provided with a cam hole 81 which is long in the front-rear direction.
The moving table 69 (the cam hole 7)
The cam follower 73 that has passed through 1) is fitted.

Because of this, the positioning means 6
In the case of 0, when the cam follower 73 is moved in the horizontal circumferential direction by the motor 72, as shown in FIG. 11, the cam follower 73 (cam hole 71) of the front / rear position restricting portion 61 is directed in the front / rear direction. The reciprocating operation of the predetermined stroke is performed, and the left and right moving table 79 (the cam hole 8
For (1), a reciprocating operation of a predetermined stroke in the left-right direction is performed. Accordingly, with the forward and backward movement of the front and rear moving table 69, the movable moving piece 66 moves toward and away from the fixed moving piece 65, and with the left and right movement of the left and right moving table 79, the movable moving piece 76 becomes fixedly moved. The pieces 75 approach and move away from each other. As a result, this cutout 4
The sheet material S sent out is subjected to light beat-like vibrations at the front and rear end portions and the left and right end portions, whereby the position is positively corrected.

Further, the forward and backward movement of the movable shifting piece 66 and the left and right movement of the movable shifting piece 76 are synchronized with each other, and the vibration is alternately applied to the sheet material S. Therefore, the mutual action does not disturb each other, and the position of the sheet material S is corrected efficiently. As is clear from the above description, the overall movement of the sheet material cutting device 1 according to the present invention is as follows. That is, when the sheet material laminate T is loaded into the loading unit 2 by a manual operation or an upstream machine, the level setting unit 7 sets the lift unit 8
The sheet material T is lifted by the lifting means 8, and the new sheet material T is delivered by the lifting means 8.
Is raised and the sheet material laminate T is pushed up.

Then, in the transport section 3, the take-out section 22
The (suction conveyor 26) takes out the sheet material S from the sheet material laminate T of the loading section 2 for each sheet, and feeds the sheet material S to the discharge section 25 via the vertical feed passage section 23 and the reversing passage section 24 while keeping the sashimi state. I will send it out. On the way, the sheet material S
The sashimi state is turned upside down by passing through the reversing passage portion 24, and the rear end of the preceding sheet S is lower than the front end of the succeeding sheet S.

Therefore, the sheet material S is fed from the discharge section 25 of the transport section 3 to the cutout section 4, whereby the cutout section 4 is positioned with high accuracy toward the downstream process or the downstream apparatus. They are stacked in a small shape in a state. Thereafter, the series of operations of this mounting is repeated. Such a sheet material cutting device 1
Is particularly useful when the sheet material S is used as a cover of a magazine or the like. By the way, the present invention is not limited to the above embodiment, and can be appropriately changed according to the embodiment.

[0050]

As is apparent from the above description, the sheet material cutting apparatus according to the present invention has a loading section for receiving the sheet materials in a stacked state, and a conveyance for taking out the sheet material from the loading section and carrying out the sheet material. And a cut-out section for receiving the sheet material from the transport section, and a reversing passage section for the sheet material is provided at a position near the downstream of the transport section and immediately before the cut-out section, There is no need to sandwich the sheet material before and after reversing with a belt belt conveyor, so even if the sheet material is conveyed at high speed, the sheet material may be scratched due to this conveyance. Will not occur.

That is, high-speed conveyance of the sheet material can be performed easily, reliably, and with high quality.

[Brief description of the drawings]

FIG. 1 is a side view showing an embodiment of a sheet material cutting device according to the present invention.

FIG. 2 is an enlarged view taken on line AA of FIG. 1;

FIG. 3 is a diagram showing an operation state from FIG. 2 in a loading unit.

FIG. 4 is a cross-sectional perspective view showing, on an enlarged scale, a suction conveyor provided in a transport unit.

FIG. 5 is an enlarged plan view showing a sheet separating means provided in a transport unit.

FIG. 6 is an enlarged side view showing a take-out section (around a suction conveyor) of a transport section.

FIG. 7 is an enlarged side view showing a vertical feed conveyor provided in a transport unit.

FIG. 8 is a side view showing a state in which the belt is passed over a reversing passage provided in the transport unit, which is divided into (a) and (b).

FIG. 9 is a side view showing a maintenance opening / closing mechanism provided in a reversing passage section of the transport section.

FIG. 10 is an exploded perspective view showing positioning means provided in the cutout portion.

FIG. 11 is an explanatory diagram of an operation of a positioning means provided in the cutout section.

FIG. 12 is an explanatory view showing a state of taking out a sheet material by a conventional apparatus.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 cutting-out device 2 loading unit 3 transporting unit 4 cutting-out unit 7 level setting means 8 lifting means 9 temporary holding means 12 elevating platform 15 holding arm 16 swinging shaft 24 reversing passage section 26 suction conveyor 27 sheet separating means 28 band belt 29 suction port Reference Signs List 30 suction chamber 31 feed dog 34 stepped portion 35 airtight guide 60 positioning means 66 movable shifting piece (moving back and forth) 76 movable shifting piece (moving left and right) S sheet material T sheet material laminate

Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat II (Reference) B65H 9/10 B65H 9/10 3F343 29/66 29/66 31/34 31/34 (72) Inventor Hidehiro Yasuda Shiga 163 Morikawaramachi, Moriyama City Gunze Co., Ltd. Research and Development Department F-term (reference) FA06 GA01 GB01 GC01 GD01 HB04 HD16 HE02 HE21 JB05 KA04 KA20 KB05 KB06 KB17 LA03 LA16 MA32 MC05 MC19

Claims (9)

[Claims] A loading section (2) capable of receiving a sheet material (S) in a stacked state, and a transport section (2) for taking out the sheet material (S) from the loading section (2) while taking out the sheet material sheet by sheet. 3)
And the sheet material (S) carried out by the carrying unit (3)
And a cutout section (4) for receiving the sheet material (S). The setting section (2) holds the sheet material (S), which is the uppermost sheet in the stacked state, in accordance with the level taken out by the transport section (3). Means (7) are provided, and the conveying section (3) is provided with a reversing passage section (24) for making the U-turn of the sheet material (S) downward and reversing the sheet material (S) in the downstream direction in the conveying direction. And the cut-out part (4)
Is provided with a positioning means (60) for regulating the sheet material (S) in the front-rear direction and the left-right direction immediately after being sent out from the reversing passage section (24) of the transport section (3). Sheet material cutting device. 2. A level setting means (7) of the loading section (2) includes a lifting means (8) for raising the sheet material laminate (T), and a sheet material stack after being raised by the lifting means (8). Temporary holding means (9) for holding the body (T) on the lowermost surface thereof from both sides so as not to fall off, and the lift means (8) is provided with a sheet material laminate (T) A lifting platform (12) that can support the
After the sheet material laminate (T) has been sent to the temporary holding means (9) in a state where the elevator (12) is raised, the elevator (1)
2) is lowered to prepare for loading of a new sheet material laminate (T) at the lower set position, and when a new sheet material laminate (T) is loaded, the elevator (12) is raised. The sheet material laminate (T) on the table can be pressed against the lower surface of the preceding sheet material laminate (T) held by the temporary holding means (9). A sheet material cutting device according to the above. 3. Temporary holding means (9) of said loading section (2)
Has a pair of holding arms (15) which swing about a swing shaft (16) provided above the lowermost level of the sheet material laminate (T) raised by the lifting means (8). 3. The sheet material cutting device according to claim 2, wherein the sheet material is cut out. 4. A sheet separating means (2) for blowing the air toward a sheet material (S) in an upper layer in the loading section (2) to ensure one-sheet picking.
The sheet material cutting device according to any one of claims 1 to 3, wherein (7) is provided. 5. A suction section provided in the transport section (3) with a suction port (29) facing downward on an inner peripheral portion of the belt belt (28) and a lower tension side of the belt belt (28). A suction conveyor (26) having a chamber (30) is adopted, and the uppermost sheet material (S) of the sheet material laminate (T) is loaded by the suction conveyor (26) in the loading section (2). The sheet material (S) being conveyed is made into a sashimi state in which the front end portion and the rear end portion of the sheet material (S) are overlapped with each other so that they can be sent out while adsorbing the upper surface of the rear end. The sheet material cutting device according to claim 4. 6. The suction conveyor (2) of the transport section (3).
6) is a loading section (2) in a direction along the transport direction.
6. A sheet material cutting device according to claim 5, wherein a position of the sashimi between the sheet materials (S) to be fed can be varied by adjusting the position of the sheet material. 7. The suction conveyor (2) of the transport section (3).
In 6), the belt belt (28) is formed as a toothed belt having a feed dog (31) along the longitudinal direction of the inner peripheral surface thereof, and both sides of the belt belt (28) in the width direction have a tooth height. The suction chamber (30) is provided with an airtight guide (35) that engages with the step (34) of the belt belt (28). The sheet material cutting device according to claim 5 or 6, wherein the sheet material is cut out. 8. A positioning means (6) for the cutout (4).
No. 0) is characterized by having movable shift pieces (66, 76) that alternately vibrate at least one end in the front-rear direction and at least one end in the left-right direction of the sheet material (S). A sheet material cutting device according to any one of claims 1 to 7. 9. The sheet material cutting device according to claim 1, wherein the sheet material (S) is a cover of a magazine or the like.