WO2011024266A1 - 紙折装置 - Google Patents
紙折装置 Download PDFInfo
- Publication number
- WO2011024266A1 WO2011024266A1 PCT/JP2009/064872 JP2009064872W WO2011024266A1 WO 2011024266 A1 WO2011024266 A1 WO 2011024266A1 JP 2009064872 W JP2009064872 W JP 2009064872W WO 2011024266 A1 WO2011024266 A1 WO 2011024266A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- paper
- buckle
- folding
- guide plate
- conveyor belt
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H45/00—Folding thin material
- B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
- B65H45/14—Buckling folders
- B65H45/142—Pocket-type folders
- B65H45/144—Pockets or stops therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H11/00—Feed tables
- B65H11/002—Feed tables incorporating transport belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H45/00—Folding thin material
- B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
- B65H45/14—Buckling folders
- B65H45/142—Pocket-type folders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
- B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
- B65H7/06—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed
- B65H7/10—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed responsive to incorrect side register
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H9/00—Registering, e.g. orientating, articles; Devices therefor
- B65H9/04—Fixed or adjustable stops or gauges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2403/00—Power transmission; Driving means
- B65H2403/50—Driving mechanisms
- B65H2403/52—Translation screw-thread mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/10—Size; Dimensions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/20—Location in space
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/20—Location in space
- B65H2511/22—Distance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2551/00—Means for control to be used by operator; User interfaces
- B65H2551/10—Command input means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2557/00—Means for control not provided for in groups B65H2551/00 - B65H2555/00
- B65H2557/20—Calculating means; Controlling methods
- B65H2557/23—Recording or storing data
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2557/00—Means for control not provided for in groups B65H2551/00 - B65H2555/00
- B65H2557/20—Calculating means; Controlling methods
- B65H2557/24—Calculating methods; Mathematic models
Definitions
- the present invention relates to a paper folding apparatus, and more particularly to a paper folding apparatus that folds a sheet at right angles to a paper feeding direction by a folding roller.
- This type of paper folding apparatus includes a paper feeding unit that sequentially supplies paper from the paper stack and a paper folding unit that folds the paper supplied from the paper feeding unit at right angles to the paper feeding direction.
- the paper feeding unit includes a shelf having a paper stack, a conveyor belt that is driven to rotate between the shelf and the paper folding unit, and a paper feeder that sequentially feeds paper from the paper stack on the shelf onto the conveying surface of the conveyor belt.
- a guide plate that aligns the position of the conveyed paper is disposed on the conveyor belt conveyance surface.
- the guide plate extends along the transport direction and can move on the transport surface in a direction perpendicular to the transport direction, and the sheet is transported on the transport surface with its one side edge in contact with the guide plate.
- the paper folding part has a buckle.
- Each of the buckles includes a quadrangular outer frame and a plurality of bars extending between one side of the outer frame and spaced apart from each other.
- Each of the plurality of crosspieces is composed of a pair of crosspiece elements arranged at an interval in the thickness direction of the outer frame, and a pair of each crosspiece is provided on a side surface of one side of the one opposite side of the outer frame.
- a slot communicating with the gap between the crosspiece elements is formed, and a paper introduction gap extending from the slot in the length direction of the crosspiece is formed inside the buckle.
- the buckle is then arranged such that the slots are directed to the conveyor belt.
- a stopper is disposed in the paper introduction gap of the buckle, and the leading edge of the introduced paper comes into contact with this stopper, whereby the paper is positioned at a predetermined folding position.
- a pair of rotationally driven take-in rollers are arranged immediately before the buckle slot, and the paper supplied from the conveyor belt is sandwiched and introduced into the paper introduction gap of the buckle.
- a pair of rotationally driven folding rollers are disposed in proximity to the pair of taking-in rollers and parallel to the taking-in roller, and fold the bent portion of the paper to the outside of the buckle.
- paper size data is input to the control unit before the paper folding operation is started, and the control unit feeds paper to the center of the buckle of the paper folding unit based on this data. In this manner, the position of the guide plate of the paper feeding unit is set. Then, when the paper folding operation is started, the paper is sequentially taken from the conveyor belt between the pair of taking-in rollers and introduced between the buckles. The sheet is sandwiched between the sheets and folded at a predetermined folding position.
- the paper is sometimes not accurately folded at a predetermined folding position, and a defective product may be formed. This is not simply a paper jam, and the cause has not been elucidated.
- the misalignment of the folding position of the paper that occurs occasionally has been corrected by adjusting each part of the paper folding device based on the skill and intuition of the operator.
- an object of the present invention is to make a fold line always formed at a predetermined position of a sheet in a paper folding apparatus in view of the result of investigation of the cause.
- a paper feeding unit that sequentially feeds paper from a paper stack, a paper folding unit that folds the paper supplied from the paper feeding unit at right angles to the paper feeding direction, and the paper feeding
- a paper section and a control section for controlling the paper folding section wherein the paper feeding section is a shelf on which a paper stack is placed, and a conveyor that is rotationally driven between the shelf and the paper folding section.
- the paper folding part has a buckle comprising a rectangular outer frame and a plurality of bars extending between one side of the outer frame and spaced apart from each other. It is composed of a pair of crosspiece elements arranged at intervals in the thickness direction of the outer frame, and the side face on one side of the one opposite side of the outer frame extends in the arrangement direction of the crosspieces. A slot communicating with the gap between the pair of crosspiece elements is formed, and a paper introduction gap extending from the slot in the lengthwise direction of the crosspiece is provided inside the buckle.
- the paper folding part is further arranged in the paper introduction gap of the buckle, and the paper is determined in advance by bringing the leading edge of the paper to be introduced into contact.
- a stopper that is disposed immediately before the slot of the buckle, and is driven to rotate around a rotation shaft extending at right angles to the conveying direction, and sandwiches a sheet supplied from the conveyor belt, thereby interposing the sheet introduction gap of the buckle.
- the distance from the reference point to the guide plate in the direction perpendicular to the transport direction is set so that each side edge of the paper introduced into the paper introduction gap of the buckle is closest to the side edge.
- a paper folding device is provided, wherein the paper folding device is set to a value that is separated from a side edge of the cross by a predetermined distance or more, and the position of the guide plate is set according to the set value.
- paper feeding from the conveyor belt of the paper feeding unit to the buckle of the paper folding unit is performed such that central axes of the paper and the buckle coincide with each other, and the conveyance
- the guide plate moving mechanism extends across the gap between the frame and the upper and lower belts of the conveyor belt at right angles to the transport direction and is centered with respect to the frame.
- a feed screw rotatably supported around an axis; a motor fixed to the frame and connected to one end of the feed screw for driving the feed screw to rotate; and the upper and lower belts of the conveyor belt
- a movable block having a size capable of entering into a gap between the screw and the screw, and attached to the frame, extending in parallel to the lead screw and extending the movable block in a direction perpendicular to the conveying direction.
- a guide rail that slidably guides, the guide plate being attached to the moving block
- the distance from the reference point to the guide plate in the direction perpendicular to the transport direction is set so that each side edge of the paper introduced into the paper introduction gap of the buckle Is set to a value that is more than a predetermined distance away from the side edge of the crosspiece located closest to the rail, and the position of the guide plate is set according to the set value, so that the paper enters the paper introduction gap of the buckle.
- the side edge of the paper does not come into contact with the side edge of the crosspiece of the buckle, so that the paper is always accurately aligned at a predetermined folding position, and the deviation of the folding position does not occur.
- FIG. 1 It is a side view which shows schematic structure of the paper folding apparatus by one Example of this invention. It is a perspective view which shows the main components of the buckle vicinity of the paper folding apparatus shown by FIG. It is a top view which shows the structure of the guide plate moving mechanism of the paper folding apparatus shown by FIG. It is a perspective view of the buckle of the paper folding apparatus shown by FIG. (A) is sectional drawing along the direction orthogonal to the paper feed direction of the buckle shown by FIG. 4, (B) is the elements on larger scale of (A).
- FIG. 1 is a side view showing a schematic configuration of a paper folding apparatus according to one embodiment of the present invention
- FIG. 2 is a perspective view showing main components in the vicinity of a buckle of the paper folding apparatus shown in FIG.
- FIG. 3 is a plan view showing the configuration of the guide plate moving mechanism of the paper folding apparatus shown in FIG.
- the paper folding device folds the paper P supplied from the paper stack S at a right angle to the paper feeding direction.
- a paper folding unit B and a control unit C that controls the paper feeding unit A and the paper folding unit B are provided.
- the paper feeding unit A includes a shelf 1 on which the paper stack S is placed, a vertically movable shelf 1, a conveyor belt 2 that is rotated between the shelf 1 and the paper folding unit B, and the top of the paper stack S on the shelf 1.
- a feed roller 3 that sequentially feeds the upper sheet P onto the conveying surface 2a of the conveyor belt 2 is provided.
- the paper feeding unit A further extends on the conveying surface 2a of the conveyor belt 2 along the conveying direction (arrow R), and aligns the position of the conveyed paper with the guide plate 4 on the conveying surface 2a.
- a guide plate moving mechanism that moves in a direction perpendicular to the conveyance direction R is provided. As shown in FIG. 2, the paper S is transported on the transport surface 2 a with its one side edge in contact with the guide plate 4. Note that the conveyance direction R coincides with the paper feeding direction with respect to the paper folding portion B.
- the guide plate moving mechanism has a frame 5, which is perpendicular to the conveying direction R and crosses the gap between the upper and lower belts of the conveyor belt 2.
- the extending feed screw 6 is supported so as to be rotatable around the central axis.
- a motor 7 is fixed to the frame 5, a drive shaft of the motor 7 is connected to one end of the feed screw 6, and the feed screw 6 is rotationally driven by the motor 7.
- the guide plate moving mechanism further has a dimension capable of entering into the gap between the upper and lower belts of the conveyor belt 2 and is attached to the frame 5 and the moving block 8 screwed to the feed screw 6.
- 6 is provided with a guide rail 9 that is parallel to 6 and guides the moving block 8 so as to be slidable in a direction perpendicular to the conveying direction R.
- the guide plate 4 is attached to the moving block 8.
- the paper folding part B has a buckle 10 composed of a rectangular outer frame 11 and a plurality of crosspieces 12 extending between one opposite side 11a, 11b of the outer frame 11 and spaced from each other.
- 4 is a perspective view of the buckle of the paper folding apparatus shown in FIG. 1
- FIG. 5A is a cross-sectional view taken along a direction perpendicular to the paper feed direction of the buckle shown in FIG.
- FIG. 5 (B) is a partially enlarged view of FIG. 5 (A).
- each of the plurality of crosspieces 12 includes a pair of crosspiece elements 12a and 12b arranged at intervals in the thickness direction of the outer frame 11.
- a slot 13 communicating with the gap between the pair of crosspiece elements 12a and 12b of each crosspiece 12 is formed on the side surface of one of the opposite sides 11a and 11b of the outer frame 11 so that the buckle 10 Inside, a paper introduction gap 14 extending from the slot 13 in the length direction of the crosspiece 12 is provided.
- the buckle is arranged with the slot 13 facing the conveyor belt 2.
- a stopper 15 is disposed in the paper introduction gap 14 of the buckle 10, and the paper P is positioned at a predetermined folding position by contacting the leading end of the paper P to be introduced. .
- the slot 13 of the buckle 10 immediately before the slot 13 of the buckle 10, it is driven to rotate around a rotation axis extending perpendicular to the paper feeding direction R, and the paper P supplied from the conveyor belt 2 is sandwiched and introduced into the paper introduction gap 14 of the buckle 10. And a pair of rotationally driven folding rollers 17 that are disposed in parallel to the capturing rollers 16 and 17 and fold a portion of the paper P that is bent outward of the buckle 10. , 18 are opposed to each other. That is, immediately before the slot 13 of the buckle 10, the fixed roller 17 disposed at a fixed position and the movable roller 16 capable of adjusting the position are disposed opposite to each other, and the fixed roller 17 and the movable capable of adjusting the position are disposed. The roller 18 is disposed to face the roller 18.
- the control unit C includes a data storage unit 20 that stores crosspiece position data that represents the distance from the reference point to each side edge of each of the crosspieces 12 of the buckle 10 in a direction perpendicular to the conveyance direction R, and input of paper size data.
- the data input part 19 which receives is received.
- control unit C calculates the distance from the reference point to the guide plate 4 in the direction perpendicular to the transport direction R by calculating the paper size data and the crosspiece position data before starting the paper folding operation.
- Each side edge of the paper P introduced into the 10 paper introduction gaps 14 is set to a value that is separated from the side edges 12c and 12d of the crosspiece 12 located closest to the side edge by a predetermined distance or more.
- the position of the guide plate 4 is set according to the set value.
- paper is fed from the conveyor belt 2 of the paper feeding unit A to the buckle 10 of the paper folding unit B so that the central axis of the paper P and the central axis of the buckle 10 coincide with each other in the transport direction. It is assumed that the reference point O in the direction perpendicular to R is set at the position of the buckle 10 and hence the central axis of the conveyor belt 2.
- each variable is defined as follows.
- D width of paper P (dimension in the direction perpendicular to transport direction R)
- L interval of the crosspieces
- M width of the gap formed between the adjacent crosspieces
- W side edges 12c and 12d of the crosspiece 12 of the buckle 10 where each side edge of the paper P is located closest to the side edge
- X distance from the reference point O to the guide plate 4 in the direction perpendicular to the transport direction R
- paper is fed from the conveyor belt 2 of the paper feeding unit A to the buckle 10 of the paper folding unit B so that the central axis of the paper P and the central axis of the buckle 10 coincide with each other in the transport direction.
- the reference point O in the direction perpendicular to R is assumed to be set at the position of the central axis of the buckle 10 and hence the conveyor belt 2.
- the method for calculating the set distance of the guide plate 4 is based on this precondition. It is not limited to.
- paper is fed from the conveyor belt 2 of the paper feeding unit A to the buckle 10 of the paper folding unit B so that one side edge of the paper P and one side edge of the paper introduction gap of the buckle 10 coincide with each other.
- the reference point O in the direction perpendicular to the direction R may be set to the position of the one side edge of the paper introduction gap of the buckle 10.
- the paper introduced into the paper introduction gap 14 of the buckle 10 is the distance from the reference point in the direction perpendicular to the transport direction R to the guide plate 4 before the paper folding operation is started.
- Each side edge of P is set to a value that is more than a predetermined distance away from the side edges 12c, 12d of the crosspiece 12 that is closest to the side edge, and the position of the guide plate 4 according to the set value. Is set.
- the side edge of the paper P does not come into contact with the side edges 12c and 12d of the crosspiece 12 of the buckle 10 while the paper P enters the paper introduction gap 14 of the buckle 10.
- the position is always accurately aligned with a predetermined folding position, and there is no deviation of the folding position.
Landscapes
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
Abstract
Description
給紙部は、用紙スタックを備えた棚と、棚と紙折部との間にのび、回転駆動されるコンベヤベルトと、棚の用紙スタックから用紙を順次コンベヤベルトの搬送面上に送り込む用紙フィーダーとを備えている。
そして、従来は、操作者の熟練と勘を頼りに、紙折装置の各パーツを調節することによって、この時折発生する用紙の折り位置のズレが修正されていた。
したがって、本発明の課題は、この原因究明の結果に鑑み、紙折装置において、折り目が常に用紙の所定の位置に形成されるようにすることにある。
(i)(D/2-M/2)/L=p・・・q (1)
に従って、pおよびqの値を求め、
(ii)0≦q≦Wのときは、前記基準点(O)から前記ガイド板(4)までの前記距離Xを
X=L/2+L×p (2)
に設定し、
(iii)W<q<L-Wのときは、前記距離Xを、
X=D/2 (3)
に設定し、
(iv)L-W≦q<Lのときは、前記距離Xを
X=L/2+L×(p+1) (4)
に設定し、さらに、
(v)[(D/2-(M/2+(L-M))]/L=r・・・s (5)
に従って、rおよびsの値を求め、
(vi)0≦s≦Wのときは、前記距離Xを
X=L/2+L×r (6)
に設定し、
(vii)W<s<L-Wのときは、前記距離Xを、
X=D/2 (7)
に設定し、
(viii)L-W≦s<Lのときは、前記距離Xを
X=L/2+L×(r+1) (8)
に設定する。
こうして、モータ7によって送りネジ6が回転駆動されると移動ブロック8は搬送方向Rに直角な方向にスライド運動し、それによって、ガイド板4が搬送方向Rに直角な方向に移動する。
図4は、図1に示された紙折装置のバックルの斜視図であり、図5(A)は、図4に示されたバックルの給紙方向に直角な方向に沿った断面図であり、図5(B)は、図5(A)の部分拡大図である。
D=用紙Pの幅(搬送方向Rに直角な方向の寸法)
L=桟12の間隔
M=隣り合う桟12の間に形成された間隙の幅
W=用紙Pの各側縁が当該側縁の最も近くに位置するバックル10の桟12の側縁12c、12dから離れるべき距離
X=搬送方向Rに直角な方向における基準点Oからガイド板4までの距離
(i)エリアαについて
制御部Cは、
(D/2-M/2)/L=p・・・q (1)
に従って、pおよびqの値を求める。
(a)0≦q≦Wのときは、用紙Pの各側縁はエリアα内にあり、よって、用紙Pの各側縁をエリアα外に位置させるべく、距離Xを
X=L/2+L×p (2)
に設定する。
(b)W<q<L-Wのときは、用紙Pの各側縁はエリアα外にあり、よって、距離Xを、
X=D/2 (3)
に設定する。
(c)L-W≦q<Lのときは、用紙Pの各側縁はエリアα内にあり、よって、用紙Pの各側縁をエリアα外に位置させるべく、距離Xを
X=L/2+L×(p+1) (4)
に設定する。
制御部Cは、
[(D/2-(M/2+(L-M))]/L=r・・・s (5)
に従って、rおよびsの値を求める。
そして、sの値が取り得る範囲によって次の3つの場合に分け、それぞれの場合について距離Xを設定する。
(a)0≦s≦Wのときは、用紙Pの各側縁はエリアβ内にあり、よって、用紙Pの各側縁をエリアβ外に位置させるべく、距離Xを
X=L/2+L×r (6)
に設定する。
(b)W<s<L-Wのときは、用紙Pの各側縁はエリアβ外にあり、よって、距離Xを、
X=D/2 (7)
に設定する。
(c)L-W≦s<Lのときは、用紙Pの各側縁はエリアβ内にあり、よって、用紙Pの各側縁をエリアβ外に位置させるべく、距離Xを
X=L/2+L×(r+1) (8)
に設定する。
2 コンベヤベルト
2a 搬送面
3 フィードローラ
4 ガイド板
5 フレーム
6 送りネジ
7 モータ
8 移動ブロック
9 ガイドレール
10 バックル
11 外枠
11a、11b 一の対辺
12 桟
12a、12b 桟エレメント
13 スロット
14 用紙導入空隙
15 ストッパ
16、17
17、18
19 データ入力部
20 データ格納部
A 給紙部
B 紙折部
C 制御部
P 用紙
R 搬送方向(給紙方向)
S 用紙スタック
Claims (3)
- 用紙スタック(S)から用紙(P)を順次供給する給紙部(A)と、前記給紙部(A)から供給された用紙(P)を給紙方向に直角に折る紙折部(B)と、前記給紙部(A)および前記紙折部(B)を制御する制御部(C)と、を備え、
前記給紙部(A)は、
その上に用紙スタック(S)が置かれる棚(1)と、
前記棚(1)および前記紙折部(B)間にのび、回転駆動されるコンベヤベルト(2)と、
前記棚(1)の前記用紙スタック(S)から用紙(P)を順次前記コンベヤベルト(2)の搬送面(2a)上に送り込む用紙フィーダー(3)と、
前記コンベヤベルト(2)の搬送面(2a)上に搬送方向(R)に沿ってのび、搬送される用紙(P)の位置を合わせるガイド板(4)と、
前記ガイド板(4)を前記搬送面(2a)上において前記搬送方向(R)に直角な方向に動かすガイド板移動機構と、を有し、用紙(P)がその一側縁を前記ガイド板(4)に接触させつつ前記搬送面(2a)上を搬送され、
前記紙折部(B)は、
四角形の外枠(11)と、前記外枠(11)の一の対辺(11a、11b)間にのび、互いに間隔をあけて配置された複数の桟(12)とからなるバックル(10)を有し、前記複数の桟(12)は、それぞれ、前記外枠(11)の厚み方向に間隔をあけて配置された一対の桟エレメント(12a、12b)からなり、前記外枠(11)の前記一の対辺(11a、11b)のうちの一方の辺(11a)側の側面には、前記桟(12)の配列方向にのび、前記桟(12)のそれぞれの前記一対の桟エレメント(12a、12b)間の間隙に連通するスロット(13)が形成されて、前記バックル(10)の内部には、前記スロット(13)から前記桟(12)の長さ方向にのびる用紙導入間隙(14)が設けられ、前記バックル(10)は、前記スロット(13)を前記コンベヤベルト(2)に向けて配置され、
前記紙折部(B)は、さらに、
前記バックル(10)の前記用紙導入間隙(14)中に配置され、導入される用紙(P)の先端を当接させることで、当該用紙(P)を予め決定された折位置に位置決めするストッパ(15)と、
前記バックル(10)の前記スロット(13)の直前に配置され、前記搬送方向(R)に直角にのびる回転軸のまわりに回転駆動され、前記コンベヤベルト(2)から供給される用紙を挟み込んで前記バックル(10)の前記用紙導入間隙(14)に導入する一対の取り込みローラ(16、17)と、
前記取り込みローラ(16、17)に平行に配置され、前記用紙(P)のうち前記バックル(10)の外側に撓んだ部分を折り畳む一対の回転駆動される折りローラ(16、18)と、を有し、
前記制御部(C)は、
前記搬送方向(R)に直角な方向における前記基準点から、前記バックル(10)の前記桟(12)のそれぞれの両側縁(12c、12d)までの距離を表す桟位置データを格納するデータ格納部(20)と、
用紙サイズのデータの入力を受けるデータ入力部(19)と、を有し、
前記制御部(C)は、紙折り動作の開始前に、前記用紙サイズのデータおよび前記桟位置データを演算処理することにより、前記搬送方向(R)に直角な方向における前記基準点から前記ガイド板(4)までの距離を、前記バックル(10)の前記用紙導入間隙(14)に導入される用紙(P)の各側縁が、当該側縁の最も近くに位置する前記桟(12)の側縁(12c、12d)から予め決定された距離以上離されるような値に設定し、当該設定値に従って前記ガイド板(4)の位置を設定することを特徴とする紙折装置。 - 前記給紙部(A)の前記コンベヤベルト(2)から前記紙折部(B)の前記バックル(10)への給紙が、前記用紙(P)と前記バックル(10)の中心軸同士が一致するようになされ、前記搬送方向(R)に直角な方向における前記基準点(O)が前記バックル(10)および前記コンベヤベルト(2)の中心軸の位置に設定される場合、前記用紙(P)の各側縁および当該側縁の最も近くに位置する前記桟の側縁(2c、2d)間の前記予め決定された距離をWとして、
前記制御部(C)は、前記演算処理において、前記用紙(P)の幅Dと、前記桟(12)の間隔Lと、隣り合う前記桟(12)の間の間隙の幅Mとを用いて、
(i)(D/2-M/2)/L=p・・・q (1)
に従って、pおよびqの値を求め、
(ii)0≦q≦Wのときは、前記基準点(O)から前記ガイド板(4)までの前記距離Xを
X=L/2+L×p (2)
に設定し、
(iii)W<q<L-Wのときは、前記距離Xを、
X=D/2 (3)
に設定し、
(iv)L-W≦q<Lのときは、前記距離Xを
X=L/2+L×(p+1) (4)
に設定し、さらに、
(v)[(D/2-(M/2+(L-M))]/L=r・・・s (5)
に従って、rおよびsの値を求め、
(vi)0≦s≦Wのときは、前記距離Xを
X=L/2+L×r (6)
に設定し、
(vii)W<s<L-Wのときは、前記距離Xを、
X=D/2 (7)
に設定し、
(viii)L-W≦s<Lのときは、前記距離Xを
X=L/2+L×(r+1) (8)
に設定することを特徴とする請求項1に記載の紙折装置。 - 前記ガイド板移動機構は、
フレーム(5)と、
前記搬送方向(R)に直角に前記コンベヤベルト(2)の上側および下側ベルト間の間隙を横切ってのび、前記フレーム(5)に対し中心軸のまわりに回転可能に支持された送りネジ(6)と、
前記フレーム(5)に固定されかつ前記送りネジ(6)の一端に接続された、前記送りネジ(6)を回転駆動させるモータ(7)と、
前記コンベヤベルト(2)の前記上側および下側ベルト間の間隙中に進入可能な寸法を有し、前記送りネジ(6)に螺合する移動ブロック(8)と、
前記フレーム(5)に取付けられ、前記送りネジ(6)に平行にのび、前記移動ブロック(8)を前記搬送方向(R)に直角な方向にスライド可能に案内するガイドレール(9)と、を備え、前記ガイド板(4)は前記移動ブロック(8)に取り付けられることを特徴とする請求項1または請求項2に記載の紙折装置。
Priority Applications (6)
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JP2011528548A JP5288514B2 (ja) | 2009-08-26 | 2009-08-26 | 紙折装置 |
US13/391,888 US9079744B2 (en) | 2009-08-26 | 2009-08-26 | Sheet folding apparatus |
CN200980161081.0A CN102548883B (zh) | 2009-08-26 | 2009-08-26 | 折纸装置 |
PCT/JP2009/064872 WO2011024266A1 (ja) | 2009-08-26 | 2009-08-26 | 紙折装置 |
DK09848714.3T DK2471732T3 (da) | 2009-08-26 | 2009-08-26 | Papirfoldeindretning |
EP09848714.3A EP2471732B1 (en) | 2009-08-26 | 2009-08-26 | Paper folding device |
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PCT/JP2009/064872 WO2011024266A1 (ja) | 2009-08-26 | 2009-08-26 | 紙折装置 |
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US (1) | US9079744B2 (ja) |
EP (1) | EP2471732B1 (ja) |
JP (1) | JP5288514B2 (ja) |
CN (1) | CN102548883B (ja) |
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US9079744B2 (en) | 2015-07-14 |
DK2471732T3 (da) | 2014-11-10 |
EP2471732A1 (en) | 2012-07-04 |
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CN102548883B (zh) | 2014-08-13 |
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