JPH1148449A - Apparatus for regulating height of pawl stand of paper feed cylinder - Google Patents
Apparatus for regulating height of pawl stand of paper feed cylinderInfo
- Publication number
- JPH1148449A JPH1148449A JP20898297A JP20898297A JPH1148449A JP H1148449 A JPH1148449 A JP H1148449A JP 20898297 A JP20898297 A JP 20898297A JP 20898297 A JP20898297 A JP 20898297A JP H1148449 A JPH1148449 A JP H1148449A
- Authority
- JP
- Japan
- Prior art keywords
- claw
- bar
- paper
- adjusting
- height
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、枚葉輪転印刷機に
おける紙搬送胴の爪台の高さを紙の厚さに対応させて調
節するための爪台高さ調節装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a claw height adjusting device for adjusting the height of a claw base of a paper transport cylinder in a sheet-fed rotary printing press in accordance with the thickness of paper.
【０００２】[0002]
【従来の技術】枚葉印刷機において、給紙装置で供給さ
れた紙は、圧胴、渡し胴、排紙胴等の紙搬送胴の外周部
に形成された切欠きに設けられたくわえ爪装置によって
くわえ替えられ、搬送される間に印刷が施され、排紙装
置に排紙される。くわえ爪装置は、切欠き内に互いに対
向するように並べられた爪と爪台とで構成され、紙のく
わえ替え位置においてすべての爪をいっせいに開閉させ
ることによって爪と爪台との間で紙をくわえて搬送す
る。この種のくわえ爪装置においては、紙の厚さが変わ
った場合、これにしたがって爪台の高さを調整する必要
がある。2. Description of the Related Art In a sheet-fed printing press, a paper fed by a paper feeder is provided with a gripper provided in a notch formed in an outer peripheral portion of a paper transport cylinder such as an impression cylinder, a transfer cylinder, and a discharge cylinder. The printing is performed while the paper is conveyed, and the paper is discharged to a paper discharging device. The gripper device includes a nail and a claw base arranged in the notch so as to face each other, and the paper is held between the claw and the claw base by simultaneously opening and closing all the claws at the paper gripping position. And transport. In this type of gripper device, when the thickness of the paper changes, it is necessary to adjust the height of the gripper accordingly.
【０００３】この爪台の高さを調整する装置としては、
特公平８−２９５８６号公報に開示されたものがある。
ここに開示されたものは、上下動自在に支持された複数
の爪台と、これら爪台のそれぞれを下降させる方向に付
勢する複数の付勢手段と、これら付勢手段に抗してそれ
ぞれの爪台を上昇させ下端にかさ歯車が軸着された複数
の調節ねじと、これら調節ねじのかさ歯車と噛合するか
さ歯車が軸着され、それぞれの爪台に対応して胴の両端
に回動自在に支持された複数の調節軸と、これら調整軸
のそれぞれの一端を胴の一端から突出させ、これら突出
部のそれぞれに軸着させた複数の調節ディスクと、これ
ら調節ディスクに噛合する調節ピニオンと、前記調節軸
のうちのいずれか一本の突出端に軸着したボルト形調節
軸とを備えたものである。そして、ボルト形調節軸をス
パナ等で回動させると、調節ピニオンを介してすべての
調節ディスクが回動するので、すべての調節軸が回動
し、その回動が両かさ歯車を介して調節ねじを回動させ
ることにより、すべての爪台が回動方向に対応して上昇
または下降するので、いっせいに爪台の高さが調整され
るものである。As a device for adjusting the height of the claw table,
There is one disclosed in Japanese Patent Publication No. 8-29586.
What is disclosed herein is a plurality of claw bases supported movably up and down, a plurality of biasing means for biasing each of these claw bases in a descending direction, and a plurality of biasing means against these biasing means, respectively. A plurality of adjusting screws having bevel gears mounted on the lower ends of the claw bases and bevel gears meshing with the bevel gears of these adjustment screws are mounted on the shafts, and are turned around both ends of the body corresponding to the respective claw bases. A plurality of adjustment shafts movably supported, one end of each of the adjustment shafts protruding from one end of the body, a plurality of adjustment discs axially mounted on each of the protrusions, and an adjustment meshing with the adjustment discs It is provided with a pinion and a bolt-shaped adjusting shaft which is mounted on one of the projecting ends of the adjusting shaft. When the bolt-type adjusting shaft is turned with a spanner or the like, all the adjusting disks are turned via the adjusting pinion, so that all the adjusting shafts are turned, and the turning is adjusted via the bevel gears. By rotating the screw, all the claw bases rise or fall according to the rotation direction, so that the height of the claw bases is adjusted at the same time.
【０００４】また、特開平７−１８６３６７号公報に開
示されたものもある。ここに開示されたものは、上下動
自在に支持され底面が傾斜した複数のグリッパ支持条片
と、これらグリッパ支持条片のそれぞれの傾斜面と摺接
する傾斜面を有し左右に移動自在な複数のスライド楔
と、このスライド楔のそれぞれを移動させるために回動
する複数の調節軸と、これら調節軸をいっせいに回動さ
せる１個のモータとを備えたものである。そして、モー
タを回転させると、複数の調整軸がいっせいに回動し、
すべてのスライド楔が移動するので、すべてのグリッパ
支持条片が移動方向に対応して上下動し、いっせいにグ
リッパ支持条片の高さが調整されるものである。[0004] There is also one disclosed in Japanese Patent Application Laid-Open No. 7-186667. What is disclosed herein is a plurality of gripper support strips which are supported so as to be able to move up and down and whose bottoms are inclined, and a plurality of gripper support strips which are slidable in contact with the respective slopes of the gripper support strips and which are movable left and right. , A plurality of adjustment shafts that rotate to move each of the slide wedges, and one motor that rotates the adjustment shafts at the same time. When the motor is rotated, the plurality of adjustment shafts rotate at the same time,
Since all the slide wedges move, all the gripper support strips move up and down in accordance with the moving direction, and the height of the gripper support strip is adjusted at the same time.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、上述し
た従来の爪台高さ調節装置のうち、前者の構造では、ボ
ルト形調節軸が胴軸方向に指向し、その先端にフレーム
が近接しているため、スパナの操作方向はこれと直交す
る方向、すなわちフレームと胴の端面との間をフレーム
と平行に回動させる構造となる。このため、スパナの操
作空間が狭く作業性が悪いとともに、胴の端軸がスパナ
の回動操作に支障をきたすために連続して操作すること
ができず、このために作業時間が余計にかかるといった
問題があった。また、後者の構造では、グリッパ支持条
片の高さを調整するのに駆動源としてモータを必要とし
ているために、装置が大型化するといった問題があっ
た。また、駆動伝達系の中に直線運動を回転運動に変換
しているために、負荷が大きくかかり破損しやすく、破
損を回避するために負荷が大きくかからないようにする
と、スライド楔の移動量を多くとれないため、グリッパ
支持条片の微量の高さ調整ができないといった問題もあ
った。However, in the above-mentioned conventional claw rest height adjusting device, in the former structure, the bolt-shaped adjusting shaft is oriented in the body axis direction, and the frame is close to the tip thereof. For this reason, the operation direction of the spanner is a direction perpendicular to the spanner, that is, a structure in which the span between the frame and the end surface of the body is rotated in parallel with the frame. For this reason, the operation space of the spanner is narrow and workability is poor, and the end shaft of the body cannot be operated continuously because it hinders the rotation operation of the spanner, which requires extra work time. There was such a problem. In the latter structure, a motor is required as a drive source for adjusting the height of the gripper supporting strip, and thus there is a problem that the device becomes large. In addition, since the linear motion is converted into the rotary motion in the drive transmission system, the load is large and it is easily damaged.If the load is not large to avoid the damage, the amount of movement of the slide wedge increases. There is also a problem that the height of the gripper supporting strip cannot be adjusted by a small amount because it cannot be taken.
【０００６】本発明は上記した従来の問題に鑑みなされ
たものであり、その目的とするところは、操作性の向上
と作業時間の短縮を図った紙搬送胴の爪台高さ調節装置
を提供することにある。SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to provide an apparatus for adjusting the height of a claw base of a paper transport cylinder which improves operability and shortens work time. Is to do.
【０００７】[0007]
【課題を解決するための手段】この目的を達成するため
に、本発明に係る紙搬送胴の爪台高さ調節装置は、紙搬
送胴の外周部に胴軸方向に延在するように形成された切
欠き内に設けられ爪とともに紙をくわえる爪台と、この
爪台が固定され底部が胴軸方向に対して傾斜し、胴軸方
向の移動が規制されかつ胴の半径方向に上下動自在に支
持された爪台バーと、この爪台バーの傾斜面に対接する
傾斜面が形成され前記切欠き内に胴軸方向に移動自在に
支持された調節バーと、この調節バーを移動させる操作
部と、前記爪台バーの傾斜面を前記調節バーの傾斜面に
圧接させる方向に付勢する付勢手段とを備えた紙搬送胴
の爪台高さ調節装置であって、前記操作部を胴の半径方
向外側に指向させ、操作位置を胴の外側に位置付ける。
したがって、操作部を回動させる工具を紙搬送胴の外周
部の外側から操作できる。In order to achieve this object, a claw height adjusting device for a paper transport cylinder according to the present invention is formed on the outer peripheral portion of the paper transport cylinder so as to extend in the axial direction of the cylinder. A claw base provided in the cutout for holding paper together with a claw, and the claw base is fixed and the bottom is inclined with respect to the trunk axis direction, movement in the trunk axis direction is restricted, and vertical movement in the radial direction of the trunk is performed. A claw bar that is freely supported, an adjustment bar that is formed with an inclined surface that is in contact with the inclined surface of the claw bar, and that is supported in the notch so as to be movable in the body axis direction; and that the adjustment bar is moved. A claw height adjustment device for a paper transport cylinder, comprising: an operation unit; and a biasing unit configured to bias the inclined surface of the claw bar against the inclined surface of the adjustment bar. Is directed radially outward of the torso, and the operation position is positioned outside the torso.
Therefore, a tool for rotating the operation unit can be operated from outside the outer peripheral portion of the paper transport cylinder.
【０００８】[0008]
【発明の実施の形態】以下、本発明の実施の形態を図に
基づいて説明する。図１は本発明に係る紙搬送胴の爪台
高さ調節装置の要部を一部破断して示す側面図、図２は
同じく要部を示す正面図、図３は同じく側面図で（ａ）
は左半分を示し、（ｂ）は右半分を示し、図４は同じく
平面図で（ａ）は左半分を示し、（ｂ）は右半分を示
し、図５は図３におけるV-V 線断面図、図６は図３にお
けるVI-VI 線断面図である。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a side view showing a part of a claw height adjusting device for a paper transport cylinder according to the present invention, with a part thereof cut away, FIG. 2 is a front view showing the same part, and FIG. )
4 shows the left half, (b) shows the right half, FIG. 4 is a plan view of the same, (a) shows the left half, (b) shows the right half, and FIG. 5 is a sectional view taken along the line VV in FIG. 6 is a sectional view taken along line VI-VI in FIG.
【０００９】図１において、符号３で示すものは、枚葉
輪転印刷機の渡し胴であって、端軸４が左右一対のフレ
ーム２，２（一方は図示を省略）の軸受５に回転自在に
支持されている。この渡し胴３の外周部には、胴軸方向
全体にわたり一対の切欠き６ａ，６ｂが互いに１８０°
の位相を違えて形成され、これら切欠き６ａ，６ｂ内に
は、爪１０と爪台１１とからなるくわえ爪装置９ａ，９
ｂが設けられている。図５に示すように、切欠き６ａの
底部から突設された基台１４の上面には、胴軸方向に並
べられるようにして複数のホルダ１３が固定され、爪軸
１２はこのホルダ１３に回動自在に支持されている。爪
１０は爪軸１２に軸着されており、渡し胴３が回動して
所定の回動位置、すなわちくわえ爪装置９ａまたはくわ
え爪装置９ｂが紙くわえ替え位置を占めると、図示を省
略したカム機構により爪軸１２が回動し、爪１０が爪台
１１に対して開閉し紙の一端をくわえるように構成され
ている。くわえ爪装置９ａ，９ｂは、同一部材によって
同一の構造を有しているので、以下、切欠き６ａ内に設
けたくわえ爪装置９ａについてのみ詳細に説明し、くわ
え爪装置９ｂは適宜必要なときに説明する。In FIG. 1, reference numeral 3 denotes a transfer cylinder of a sheet-fed rotary printing press, in which an end shaft 4 is rotatable on a bearing 5 of a pair of left and right frames 2 and 2 (one of which is not shown). It is supported by. A pair of notches 6a and 6b are formed on the outer peripheral portion of the transfer drum 3 by 180 ° over the entire axial direction of the drum.
Are formed out of phase with each other, and in these notches 6a and 6b, holding claw devices 9a and 9 including a claw 10 and a claw base 11 are provided.
b is provided. As shown in FIG. 5, a plurality of holders 13 are fixed on the upper surface of a base 14 protruding from the bottom of the notch 6a so as to be arranged in the trunk axis direction. It is rotatably supported. The claw 10 is mounted on the claw shaft 12, and is omitted when the transfer drum 3 rotates and a predetermined rotation position, that is, the gripper device 9a or the gripper device 9b occupies the paper grip change position. The pawl shaft 12 is rotated by the cam mechanism, and the pawl 10 is opened and closed with respect to the pawl base 11 to hold one end of the paper. Since the gripping claw devices 9a and 9b have the same structure by the same members, only the gripping claw device 9a provided in the notch 6a will be described below in detail. explain.
【００１０】図５において、基台１４の上部には、断面
コ字状のガイド溝１５が胴軸方向全体にわたり凹設さ
れ、このガイド溝１５の底部には、後述する中継バー２
０，２１の挿通孔２０ｂ，２１ｂに対応するねじ孔１５
ａが形成されている。基台１４の側部には、このねじ孔
１５ａに直交するねじ孔１４ａが形成されている。この
ガイド溝１５内には、中央においてボルト１８によって
連結され断面が矩形状に形成された長尺状の一対の調節
バー１６，１７が係入されている。図３に示すように、
これら調節バー１６，１７は略同一形状に形成され、上
面１６ａ，１７ａは左右方向（図中矢印Ａ−Ｂ方向）に
傾斜した傾斜面が形成され、ガイド溝１５内を左右方向
に摺動自在に保持されている。また、これら調節バー１
６，１７には、複数の長孔１６ｂ，１７ｂが穿孔され、
一方の調節バー１６のベアラ７ａ側の端面にはねじ孔１
６ｃが形成されている。図１に示すように、他方の切欠
き９ｂの調節バー１６のベアラ７ａ側の端面には、ねじ
孔１６ｄが形成されている。In FIG. 5, a guide groove 15 having a U-shaped cross section is formed in the upper portion of the base 14 over the entire body axis direction.
Screw holes 15 corresponding to the insertion holes 20b, 21b
a is formed. A screw hole 14 a orthogonal to the screw hole 15 a is formed in a side portion of the base 14. In the guide groove 15, a pair of long adjustment bars 16, 17 which are connected at the center by bolts 18 and have a rectangular cross section are engaged. As shown in FIG.
These adjusting bars 16 and 17 are formed in substantially the same shape, and upper surfaces 16a and 17a are formed with inclined surfaces inclined in the left-right direction (the directions of arrows AB in the drawing), and are slidable in the guide grooves 15 in the left-right direction. Is held in. In addition, these adjustment bars 1
A plurality of long holes 16b, 17b are drilled in 6, 6,
A screw hole 1 is provided on the end face of the one adjustment bar 16 on the bearer 7a side.
6c is formed. As shown in FIG. 1, a screw hole 16d is formed in the end face of the other notch 9b on the bearer 7a side of the adjustment bar 16.
【００１１】図３において、これら調節バー１６，１７
の上面１６ａ，１７ａには、底面にこれら上面１６ａ，
１７ａの傾斜と同じ傾斜の傾斜面が形成された中継バー
２０，２１が載置され、ガイド溝１５内に係入されてい
る。これら中継バー２０，２１には、上述した調節バー
１６，１７の長孔１６ｂ，１７ｂに対応して複数個の挿
通孔２０ｂ，２１ｂが穿孔されているとともに、段状に
形成された複数個の挿通孔２０ｃ，２１ｃが穿設され、
側部には、複数個のめくら孔２０ｄ，２１ｄが凹設され
ている。また、一方の中継バー２０の右端には、上述し
た調節バー１６の右方の移動端限を設定するストッパ２
２が固定され、他方の中継バー２１の左端には、調節バ
ー１７の左方への移動端限を設定するストッパ２３が固
定されている。In FIG. 3, these adjusting bars 16, 17
The upper surfaces 16a, 17a of the
The relay bars 20 and 21 having the same inclined surfaces as the inclined surfaces 17a are placed and engaged in the guide grooves 15. The relay bars 20 and 21 have a plurality of insertion holes 20b and 21b corresponding to the slots 16b and 17b of the adjustment bars 16 and 17 described above, and a plurality of steps formed in a step shape. Insertion holes 20c and 21c are drilled,
A plurality of blind holes 20d, 21d are recessed in the side. The right end of one relay bar 20 is provided with a stopper 2 for setting the right movement limit of the adjustment bar 16 described above.
2 is fixed, and at the left end of the other relay bar 21, a stopper 23 for setting an end of the adjustment bar 17 to the left is fixed.
【００１２】２５は上述した複数個の爪台１１が長さ方
向に等間隔おいて固定された爪台バーであって、上述し
た中継バー２０，２１の段状の挿通孔２０ｃ，２１ｃか
らねじ込まれたボルト２６によって中継バー２０，２１
に結合され一体化されている。この爪台バー２５には、
中継バー２０，２１の挿通孔２０ｂ，２１ｂに対応して
これらよりやや大径の挿通孔２５ａが穿孔されている。
また、この爪台バー２５の全長は、切欠き６ａの左右方
向の長さ、すなわち両ベアラ７ａ，７ｂ間の間隔よりも
やや小さく形成されている。そして、爪台バー２５の両
端にねじ込まれたストッパ２７，２８をベアラ７ａ，７
ｂの内壁面に当接させることにより、切欠き６ａ内での
左右方向の移動が規制されている。したがって、これと
一体化された一対の中継バー２０，２１も切欠き６ａ内
での左右方向の移動が規制されている。上述したストッ
パのうち一方のストッパ２８は、爪台バー２５の端部と
ベアラ７ｂの内壁面との間の間隔に変化があったときに
調整できるように、ねじによって形成されて爪台バー２
５の端部から進退自在とされ、ナット２９を爪台バー２
５の端部に係止させることによって進退量が設定される
ように構成されている。Reference numeral 25 denotes a claw bar to which the plurality of claw bases 11 are fixed at equal intervals in the longitudinal direction, and which is screwed from the stepped through holes 20c and 21c of the relay bars 20 and 21. Connecting bars 20 and 21 by bolts 26
And integrated. In this claw bar 25,
Corresponding to the insertion holes 20b and 21b of the relay bars 20 and 21, insertion holes 25a having a slightly larger diameter are formed.
The entire length of the claw bar 25 is formed to be slightly smaller than the length of the notch 6a in the left-right direction, that is, the interval between the two bearers 7a and 7b. Then, stoppers 27 and 28 screwed into both ends of the claw bar 25 are attached to the bearers 7a and 7
By making contact with the inner wall surface of b, the movement in the left-right direction within the notch 6a is restricted. Therefore, the pair of relay bars 20 and 21 integrated therewith is also restricted from moving in the left-right direction within the notch 6a. One of the stoppers 28 described above is formed by a screw so that the gap between the end of the claw bar 25 and the inner wall surface of the bearer 7b can be adjusted.
5 can be moved forward and backward from the end of the hook base bar 2.
5 is configured such that the amount of advance and retreat is set by locking the end of the arm 5.
【００１３】図５において、３２は先端部にねじ部３２
ｃが形成されたボルトであって、軸部３２ｂの径が上述
した調節バー１６，１７の長孔１６ａ，１７ａの短径お
よび中継バー２０，２１の挿通孔２０ｂ，２１ｂの径よ
りも僅かに小さく形成されている。爪台バー２５の挿通
孔２５ａに２個の圧縮スプリング３３ａ，３３ｂを嵌装
し、ボルト３２を中継バー２０，２１の挿通孔２０ｂ，
２１ｂおよび調節バー１６，１７の長孔１６ｂ，１７ｂ
を遊挿させてねじ孔１５ａに螺合させる。この構成によ
れば、圧縮スプリング３３ａ，３３ｂがボルト３２の頭
部３２ａと中継バー２０，２１の上面間に弾装され、中
継バー２０，２１の下面２０ａ，２１ａが、調節バー１
６，１７の上面１６ａ，１７ａに圧接され、調節バー１
６，１７の底面もガイド溝１５の底面に圧接される。３
６はねじ孔１４ａに螺合するボルトであって、先端に介
装した黄銅材で形成した筒部材３７がボルト３２のねじ
部３２ｃに係合させることによって、ボルト３２が圧縮
スプリング３３ａ，３３ｂによって上方へ抜けるのを規
制するものである。In FIG. 5, reference numeral 32 denotes a screw portion 32 at the tip end.
c is formed, and the diameter of the shaft portion 32b is slightly smaller than the short diameters of the long holes 16a, 17a and the diameters of the insertion holes 20b, 21b of the relay bars 20, 21, described above. It is formed small. Two compression springs 33a, 33b are fitted into the insertion holes 25a of the claw bar 25, and the bolts 32 are connected to the insertion holes 20b, 20b of the relay bars 20, 21, respectively.
21b and long holes 16b, 17b of adjustment bars 16, 17
Is loosely inserted and screwed into the screw hole 15a. According to this configuration, the compression springs 33a, 33b are elastically mounted between the head 32a of the bolt 32 and the upper surfaces of the relay bars 20, 21, and the lower surfaces 20a, 21a of the relay bars 20, 21 are adjusted by the adjustment bar 1
The adjustment bar 1 is pressed against the upper surfaces 16a, 17a of
The bottom surfaces of the guide grooves 6 and 17 are also pressed against the bottom surfaces of the guide grooves 15. 3
Reference numeral 6 denotes a bolt that is screwed into the screw hole 14a. The cylindrical member 37 formed of a brass material interposed at the tip engages the screw portion 32c of the bolt 32, and the bolt 32 is compressed by the compression springs 33a and 33b. It restricts the escape from the upper part.
【００１４】４０は全長が中継バー２０，２１と略同じ
で断面Ｌ字状のガイドバーであって、ガイド壁４０ａの
ガイド面がガイド溝１５の一方の内側面と同じ面に位置
付けられるようにして切欠き６ａの底面に固定されてい
る。図６に示すように、このガイドバー４０のガイド壁
４０ａには、中継バー２０，２１のめくら孔２０ｄ，２
１ｄに対応して、これらめくら孔２０ｄ，２１ｄの径よ
りも僅かに小さい径の複数のガイド孔４０ｂが穿孔され
ている。４１はガイド孔４０ｂの径よりも僅かに小さい
外径を有するストッパピンであって、先端に鍔部４１ａ
が形成されている。Reference numeral 40 denotes a guide bar having the same overall length as the relay bars 20 and 21 and having an L-shaped cross section. The guide surface of the guide wall 40a is positioned on the same surface as one inner surface of the guide groove 15. And is fixed to the bottom surface of the notch 6a. As shown in FIG. 6, the guide walls 40a of the guide bar 40 have blind holes 20d, 2 of the relay bars 20, 21, respectively.
In correspondence with 1d, a plurality of guide holes 40b having a diameter slightly smaller than the diameters of these blind holes 20d and 21d are formed. 41 is a stopper pin having an outer diameter slightly smaller than the diameter of the guide hole 40b.
Are formed.
【００１５】このストッパピン４１の鍔部４１ａ側をめ
くら孔２０ｄ，２１ｄに挿入し、圧縮スプリング４２を
めくら孔２０ｄ，２１ｄ内に嵌装させた後、ガイドバー
４０のガイド孔４０ｂにストッパピン４１を挿入させ
て、ガイドバー４０を切欠き６ａの底面に固定する。こ
の構成によれば、圧縮スプリング４２によって中継バー
２０がストッパピン４１の鍔部４１ａを介してガイド溝
１５の一方の内側壁に押圧され、ガイド溝１５内での遊
動が除去される。図１および図４に示すように、調整バ
ー１６の一端側には目盛板４５が固定され、中継バー２
０の一端側には、この目盛板４５に対応した指針４６が
固定されている。The flange 41a of the stopper pin 41 is inserted into the blind holes 20d and 21d, and the compression spring 42 is fitted into the blind holes 20d and 21d. Then, the stopper pin 41 is inserted into the guide hole 40b of the guide bar 40. And the guide bar 40 is fixed to the bottom surface of the notch 6a. According to this configuration, the relay bar 20 is pressed against one inner wall of the guide groove 15 by the compression spring 42 via the flange portion 41a of the stopper pin 41, and the floating in the guide groove 15 is removed. As shown in FIGS. 1 and 4, a scale plate 45 is fixed to one end of the adjustment bar 16, and
A pointer 46 corresponding to the scale plate 45 is fixed to one end of the zero.
【００１６】次に、爪台を上下に移動させる操作部４９
について、図１および図２に基づいて説明する。ベアラ
７ａの両切欠き６ａ，６ｂに対応した部位の外側には、
それぞれ上方または下方が開口された一対のギアボック
ス５０ａ，５０ｂが固定されている。また、これらギア
ボックス５０ａ，５０ｂの開口を覆うように蓋５１ａ，
５１ｂが固定されている。５２は全長の長い第１の操作
軸であって、上端側がギアボックス５０ａと蓋５１ａの
支持孔に回転自在に片持ち支持され、蓋５１ａから突出
した上端部には六角ナット５５ａが軸着され、ギアボッ
クス内の端部にはかさ歯車５６ａが軸着されている。こ
の第１の操作軸５２の下端側は、ベアラ７ａの端面と平
行となるように、渡し胴３の端軸４の周面間に穿孔され
操作軸５２の径よりも大径の貫通孔４ａ内を嵌挿され、
下方のギアボックス５０ｂの近傍まで延設されている。Next, an operation unit 49 for moving the claw table up and down.
Will be described based on FIG. 1 and FIG. Outside the portions corresponding to both notches 6a and 6b of the bearer 7a,
A pair of gear boxes 50a and 50b each having an upper or lower opening are fixed. Further, the lids 51a, 51a, 50b are covered so as to cover the openings of the gear boxes 50a, 50b.
51b is fixed. Reference numeral 52 denotes a first operation shaft having a long overall length, the upper end side of which is rotatably supported by the gear box 50a and the support hole of the lid 51a, and a hexagon nut 55a is axially mounted on the upper end protruding from the lid 51a. A bevel gear 56a is mounted on an end of the gear box. The lower end side of the first operation shaft 52 is bored between the peripheral surfaces of the end shaft 4 of the transfer drum 3 so as to be parallel to the end surface of the bearer 7a, and the through hole 4a having a diameter larger than the diameter of the operation shaft 52. Is inserted inside,
It extends to the vicinity of the lower gear box 50b.
【００１７】５３は第１の操作軸５２と同じ径で形成さ
れた全長の短い第２の操作軸であって、下端側がギアボ
ックス５０ｂと蓋５１ｂの支持孔に回転自在に片持ち支
持され、蓋５１ａから突出した下端部には六角ナット５
５ｂが軸着され、ギアボックス内の下端部には、上述し
たかさ歯車５６ａと向き合うようにかさ歯車５６ｂが軸
着されている。第１の操作軸５２の下端部と第２の操作
軸５３の上端部には、互いに対接する共に断面が半円状
の係合部５２ａ，５３ａが形成されている。５４は第１
および第２の操作軸５２，５３を連結するための円筒状
のカップリングであって、これら両操作軸５２，５３に
嵌挿されている。Reference numeral 53 denotes a second operating shaft having the same diameter as the first operating shaft 52 and having a short overall length. The lower end of the second operating shaft 53 is rotatably cantilevered by the support holes of the gear box 50b and the lid 51b. A hexagon nut 5 is provided at the lower end protruding from the lid 51a.
5b is axially mounted, and a bevel gear 56b is axially mounted at a lower end portion in the gear box so as to face the above-described bevel gear 56a. At the lower end of the first operation shaft 52 and the upper end of the second operation shaft 53, engagement portions 52a and 53a which are in contact with each other and have a semicircular cross section are formed. 54 is the first
And a cylindrical coupling for connecting the second operation shafts 52 and 53, and is fitted to both operation shafts 52 and 53.
【００１８】すなわち、止めねじ５４ａをカップリング
５４のねじ孔に螺合させ、その先端を第１の操作軸５２
の孔内に臨ませることにより、カップリング５４の軸線
方向の移動が規制され、このカップリング５４で係合部
５２ａ，５３ａの対接した部分が覆われることにより、
両操作軸５２，５３の互いの回動が伝達可能な状態とな
る。このように両操作軸５２，５３を１本の操作軸とせ
ずに、２本に分割して連結したことにより、連結部にお
いて軸線方向に遊びを設けることができ、組付けや製造
上の誤差を吸収することができる。このように連結され
た両操作軸５２，５３においては、第１の操作軸５２の
上端に軸着された六角ナット５５ａおよび第２の操作軸
５３の下端に軸着された六角ナット５５ｂは、渡し胴３
の中心から放射方向を指向している。That is, the set screw 54a is screwed into the screw hole of the coupling 54, and the tip thereof is connected to the first operating shaft 52.
, The movement of the coupling 54 in the axial direction is restricted, and the coupling 54 covers the contacting portions of the engaging portions 52a and 53a.
The operation shafts 52 and 53 are in a state where the mutual rotation can be transmitted. Since the two operation shafts 52 and 53 are divided into two instead of one operation shaft and connected as described above, a play can be provided in the connection portion in the axial direction, and errors in assembling and manufacturing are caused. Can be absorbed. In the two operating shafts 52 and 53 connected in this manner, the hex nut 55a mounted on the upper end of the first operating shaft 52 and the hex nut 55b mounted on the lower end of the second operating shaft 53 are: Handover cylinder 3
From the center of the radiation direction.
【００１９】上述したかさ歯車５６ａ，５６ｂには、回
転子６０ａ，６０ｂの一端に軸着されたかさ歯車５７
ａ，５７ｂが噛合している。回転子６０ａ，６０ｂは略
円柱状に形成され、ベアラ７ａに形成された段状の支持
孔５９ａ，５９ｂに回転自在に支持されており、一端側
に形成したフランジ部６２ａ，６２ｂが支持孔５９ａ，
５９ｂの段部に係合することによって軸線方向の移動が
規制されている。この回転子６０ａ，６０ｂの他端側に
は、調節バー１６のねじ孔１６ｃに螺合するねじ棒６１
ａ，６１ｂが一体に形成されている。ねじ棒６１ａは右
ねじに、ねじ棒６１ｂは左ねじに形成されている。The bevel gears 56a and 56b are provided with bevel gears 57 that are axially attached to one ends of the rotors 60a and 60b.
a and 57b are engaged. The rotors 60a and 60b are formed in a substantially columnar shape, and are rotatably supported by stepped support holes 59a and 59b formed in the bearer 7a, and flange portions 62a and 62b formed on one end side are supported by the support holes 59a. ,
The engagement with the step portion 59b restricts the movement in the axial direction. At the other end of the rotors 60a and 60b, a screw rod 61 screwed into the screw hole 16c of the adjustment bar 16 is provided.
a and 61b are integrally formed. The threaded rod 61a is formed with a right-hand thread, and the threaded rod 61b is formed with a left-hand thread.
【００２０】次に、このように構成された紙搬送胴の爪
台高さ調節装置において、爪台の高さを調整する動作を
説明する。渡し胴３の外周部の外側（図中矢印Ｅ方向）
からベアラ７ａとフレーム２との間にスパナ６５を挿入
しスパナ６５の先端を六角ナット５５ａに嵌合させる。
このとき、六角ナット５５ａが矢印Ｅ方向に指向してい
るので、スパナ６５の操作部は渡し胴３の外周部の外側
に位置する。スパナ６５を矢印Ｅと直交する平面におい
て矢印Ｆ方向に回動操作することによって、操作軸５２
を回転させると、この回転はかさ歯車５６ａ，５７ａを
介して、回転子６０ａを回転させる。回転子６０ａの回
転によってねじ棒６１ａが回転し、回転子６０ａが矢印
Ａ−Ｂ方向の移動を規制されているので、調整バー１
６，１７がガイド溝１５内を矢印Ａ−Ｂ（左右方向）に
移動する。Next, the operation of adjusting the height of the claw table in the claw table height adjusting device of the paper transport cylinder thus configured will be described. Outside the outer periphery of the transfer drum 3 (in the direction of arrow E in the figure)
Then, the spanner 65 is inserted between the bearer 7a and the frame 2 and the tip of the spanner 65 is fitted to the hexagon nut 55a.
At this time, since the hexagon nut 55a is oriented in the direction of arrow E, the operating portion of the spanner 65 is located outside the outer peripheral portion of the transfer drum 3. By rotating the spanner 65 in the direction of arrow F on a plane perpendicular to the arrow E, the operating shaft 52
When this is rotated, this rotation rotates the rotor 60a via the bevel gears 56a and 57a. Since the screw rod 61a is rotated by the rotation of the rotor 60a and the movement of the rotor 60a in the direction of the arrow AB is regulated, the adjustment bar 1
6 and 17 move in the guide groove 15 in the direction of arrow AB (left and right direction).
【００２１】調整バー１６，１７が矢印Ａ−Ｂ方向に移
動すると、この調整バー１６，１７の上面１６ａ，１７
ａに、下面２０ａ，２１ａが押圧され、Ａ−Ｂ方向の移
動が規制された中継バー２０，２１は、上面１６ａ，１
７ａおよび下面２０ａ，２１ａの楔作用により、ガイド
溝１５内を矢印Ｃ−Ｄ方向（上下方向）に移動する。す
なわち、調節バー１６，１７を矢印Ｂ方向に移動させる
と、ボルト２６によって中継バー２０，２１と一体化さ
れた爪台バー２５は上方に移動するので、爪台１１と爪
１０との間の間隔が狭められるように調整される。この
ように、六角ナット５５ａが渡し胴３の外周方向に指向
していることにより、これを回動させるスパナ６５の操
作部を渡し胴３の外周部の外側に位置させることがで
き、かつこれを連続的に回転操作することができる。こ
のため、操作性が向上するとともに、調整作業が連続的
に行え、作業時間が短縮される。また、上面１６ａ，１
７ａが傾斜した調節バー１６，１７を１個とせずに２個
に分割したことにより、装置の高さ方向の寸法を小さく
することができる。When the adjusting bars 16, 17 move in the directions of arrows AB, the upper surfaces 16a, 17 of the adjusting bars 16, 17 are moved.
The lower surfaces 20a and 21a are pressed against the relay bars 20a, and the movement of the relay bars 20 and 21 in the AB direction is restricted by the upper surfaces 16a and 1a.
The guide groove 15 is moved in the direction of arrow CD (vertical direction) by the wedge action of 7a and the lower surfaces 20a and 21a. That is, when the adjusting bars 16 and 17 are moved in the direction of arrow B, the claw bar 25 integrated with the relay bars 20 and 21 is moved upward by the bolt 26, so that the claw bar 11 and the claw 10 It is adjusted so that the interval is reduced. Since the hexagon nut 55a is oriented in the outer peripheral direction of the transfer drum 3 in this way, the operating portion of the spanner 65 for rotating the nut can be positioned outside the outer peripheral portion of the transfer drum 3, and Can be continuously rotated. For this reason, the operability is improved, the adjustment work can be performed continuously, and the work time is shortened. Also, the upper surfaces 16a, 1
By dividing the adjustment bars 16 and 17 with the inclined 7a into two instead of one, the size in the height direction of the device can be reduced.
【００２２】第１の操作軸５２の回転は、同時に他方の
くわえ爪装置９ｂ側の第２の操作軸５３に伝達され、か
さ歯車５６ｂ，５７ｂを介して回転子６０ｂに伝達され
る。このとき、かさ歯車５６ａと互いに向き合うかさ歯
車５６ｂに噛合するかさ歯車５７ｂは、かさ歯車５７ａ
と反対方向に回転するので、回転子６０ｂの回転も回転
子６０ａと反対になる。したがって、ねじ棒６１ｂがね
じ棒６１ａと反対の方向に回転するが、ねじ棒６１ｂが
左ねじに形成されているので、他方のくわえ爪装置９ｂ
の爪台（図示せず）も上述した一方のくわえ爪装置９ａ
の爪台１１と同じ方向で、かつ同じ量上下方向に移動す
る。The rotation of the first operating shaft 52 is simultaneously transmitted to the second operating shaft 53 on the other gripper device 9b side, and transmitted to the rotor 60b via bevel gears 56b and 57b. At this time, the bevel gear 57b meshing with the bevel gear 56b facing the bevel gear 56a becomes the bevel gear 57a.
, The rotation of the rotor 60b is also opposite to that of the rotor 60a. Therefore, the screw rod 61b rotates in the direction opposite to the screw rod 61a, but since the screw rod 61b is formed in the left-hand thread, the other gripper claw device 9b is formed.
The claw table (not shown) is also provided with the above-mentioned one claw device 9a.
In the same direction as the claw base 11 and the same amount in the vertical direction.
【００２３】このため、一方の六角ナット５５ａを回動
操作することにより、両方のくわえ爪装置９ａ，９ｂが
同時に同じ高さに調整できるので、作業が煩雑となら
ず、かつ両くわえ爪装置９ａ，９ｂの調整にばらつきが
なくなる。なお、操作軸５２の回転操作は、一方の六角
ナット５５ａのみならず、他方の六角ナット５５ｂを操
作することによっても同じようにできる。紙の厚みによ
って爪台１１の高さの調整結果は、指針４６によって目
盛板４５に表示されるので、次に爪台１１の高さを調整
するときには、この表示と紙の厚みとを基準に行うこと
により、調整時間を短縮することができる。Therefore, by rotating one of the hexagon nuts 55a, both gripper devices 9a and 9b can be adjusted to the same height at the same time. , 9b are not varied. The operation of rotating the operation shaft 52 can be performed in the same manner by operating not only the one hexagon nut 55a but also the other hexagon nut 55b. The result of the adjustment of the height of the claw rest 11 according to the thickness of the paper is displayed on the scale plate 45 by the hands 46. Therefore, when the height of the claw rest 11 is next adjusted, the display and the thickness of the paper are used as references. By doing so, the adjustment time can be reduced.
【００２４】なお、本実施の形態では、爪台バー２５と
調節バー１６，１７との間に中継バー２０，２１を設け
たが、爪台バー２５の下面を傾斜面とすることにより、
この傾斜面に直接調節バー１６，１７を当接させるよう
にすれば、中継バー２０，２１を必ずしも設ける必要は
ない。また、調節バー１６，１７および中継バー２０，
２１を１個としてもよく、適宜３個以上としてもよい。
また、操作軸５２の回動を回転子６０ａ，６０ｂに伝達
するのに、かさ歯車５６ａ，５７ａを使用したが、操作
軸５２にウォームを軸着し、回転子６０ａの一端にウォ
ームホィールを軸着し、これらウォームギアによって伝
達するようにしてもよい。また、本実施の形態では、紙
渡し胴に適用した例を挙げたが、圧胴、排紙胴等枚葉輪
転印刷機の各種の胴にも適用できる。In this embodiment, the relay bars 20 and 21 are provided between the claw bar 25 and the adjustment bars 16 and 17, but the lower surface of the claw bar 25 is formed as an inclined surface.
If the adjusting bars 16 and 17 are brought into direct contact with the inclined surfaces, the relay bars 20 and 21 need not always be provided. In addition, the adjusting bars 16, 17 and the relay bars 20,
The number 21 may be one, or three or more as appropriate.
The bevel gears 56a and 57a are used to transmit the rotation of the operation shaft 52 to the rotors 60a and 60b. However, a worm is mounted on the operation shaft 52, and a worm wheel is connected to one end of the rotor 60a. The worm gear may be used for transmission. Further, in this embodiment, an example in which the present invention is applied to a paper transfer cylinder has been described, but the present invention is also applicable to various cylinders of a sheet-fed rotary printing press such as an impression cylinder and a discharge cylinder.
【００２５】[0025]
【発明の効果】以上説明したように本発明によれば、作
業時間が短縮されるとともに、操作性が向上する。As described above, according to the present invention, the working time is shortened and the operability is improved.
【００２６】また、第２の発明によれば、作業が煩雑と
ならず、かつ調整にばらつきがなくなる。Further, according to the second aspect of the present invention, the operation is not complicated and the adjustment does not vary.
【図１】 本発明に係る紙搬送胴の爪台高さ調節装置の
要部を一部破断して示す側面図である。FIG. 1 is a side view, partially cut away, showing a main part of a claw height adjusting device for a paper transport cylinder according to the present invention.
【図２】 本発明に係る紙搬送胴の爪台高さ調節装置の
要部を示す正面図である。FIG. 2 is a front view showing a main part of a claw height adjusting device for a paper transport cylinder according to the present invention.
【図３】 本発明に係る紙搬送胴の爪台高さ調節装置の
側面図で（ａ）は左半分を示し、（ｂ）は右半分を示
す。3A and 3B are side views of the claw height adjusting device of the paper transport cylinder according to the present invention, wherein FIG. 3A shows a left half and FIG. 3B shows a right half.
【図４】 本発明に係る紙搬送胴の爪台高さ調節装置の
平面図で（ａ）は左半分を示し、（ｂ）は右半分を示
す。4A and 4B are plan views of the claw height adjusting device of the paper transport cylinder according to the present invention, wherein FIG. 4A shows a left half, and FIG. 4B shows a right half.
【図５】 図３におけるV-V 線断面図である。FIG. 5 is a sectional view taken along line VV in FIG. 3;
【図６】 図３におけるVI-VI 線断面図である。FIG. 6 is a sectional view taken along line VI-VI in FIG. 3;
３…渡し胴、６ａ，６ｂ…切欠き、９ａ，９ｂ…紙くわ
え装置、１０…爪、１１…爪台、１６，１７…調整バ
ー、２０，２１…中継バー、２５…爪台、４９…操作
部、５２…操作軸、５５ａ，５５ｂ…六角ナット、６１
ａ，６１ｂ…ねじ棒、６５…スパナ。3 ... transfer cylinder, 6a, 6b ... notch, 9a, 9b ... paper holding device, 10 ... claw, 11 ... claw stand, 16, 17 ... adjustment bar, 20, 21 ... relay bar, 25 ... claw stand, 49 ... Operation part, 52 ... Operation shaft, 55a, 55b ... Hex nut, 61
a, 61b: screw bar, 65: spanner.
Claims (2)
ように形成された切欠き内に設けられ爪とともに紙をく
わえる爪台と、この爪台が固定され底部が胴軸方向に対
して傾斜し、胴軸方向の移動が規制されかつ胴の半径方
向に上下動自在に支持された爪台バーと、この爪台バー
の傾斜面に対接する傾斜面が形成され前記切欠き内に胴
軸方向に移動自在に支持された調節バーと、この調節バ
ーを移動させる操作部と、前記爪台バーの傾斜面を前記
調節バーの傾斜面に圧接させる方向に付勢する付勢手段
とを備えた紙搬送胴の爪台高さ調節装置において、前記
操作部を胴の半径方向外側に指向させ、操作位置を胴の
外側に位置付けたことを特徴とする紙搬送胴の爪台高さ
調節装置。1. A claw base provided in a notch formed in an outer peripheral portion of a paper transport cylinder so as to extend in the body axis direction and holding paper together with a claw, and the claw base is fixed and a bottom portion is in the body axis direction. A claw bar that is inclined with respect to the body, is restricted from moving in the body axis direction, and is supported so as to be able to move up and down in the radial direction of the body; and a notch formed in contact with the slope of the claw bar. An adjusting bar movably supported in the body axis direction, an operation unit for moving the adjusting bar, and an urging device for urging the inclined surface of the claw bar to press against the inclined surface of the adjusting bar. And a means for adjusting the height of the claw base of the paper transport cylinder, wherein the operation unit is directed outward in the radial direction of the cylinder, and the operation position is positioned outside the cylinder. Height adjustment device.
装置において、爪台を紙搬送胴の円周方向に複数設け、
これら爪台の各操作部を連結する連結手段を設けたこと
を特徴とする紙搬送胴の爪台高さ調節装置。2. The paper crawler claw height adjusting device according to claim 1, wherein a plurality of claw stands are provided in a circumferential direction of the paper conveyance cylinder.
A claw height adjusting device for a paper transport cylinder, further comprising a connecting means for connecting each operation portion of the claw base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20898297A JPH1148449A (en) | 1997-08-04 | 1997-08-04 | Apparatus for regulating height of pawl stand of paper feed cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20898297A JPH1148449A (en) | 1997-08-04 | 1997-08-04 | Apparatus for regulating height of pawl stand of paper feed cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1148449A true JPH1148449A (en) | 1999-02-23 |
Family
ID=16565383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20898297A Pending JPH1148449A (en) | 1997-08-04 | 1997-08-04 | Apparatus for regulating height of pawl stand of paper feed cylinder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1148449A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008142905A (en) * | 2006-12-06 | 2008-06-26 | Shinohara Machinery Co Ltd | Gripper seat mechanism of sheet-feed press |
| EP2263878A2 (en) | 2009-06-15 | 2010-12-22 | Komori Corporation | Transport cylinder gripper pad height adjustment device |
| JP2010284938A (en) * | 2009-06-15 | 2010-12-24 | Komori Corp | Device for adjusting height of gripper pad of transfer cylinder |
| JP2010284937A (en) * | 2009-06-15 | 2010-12-24 | Komori Corp | Device for adjusting height of gripper pad of transfer cylinder |
| JP2014188966A (en) * | 2013-03-28 | 2014-10-06 | Sakurai Graphic Syst:Kk | Cylinder type screen printer |
-
1997
- 1997-08-04 JP JP20898297A patent/JPH1148449A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008142905A (en) * | 2006-12-06 | 2008-06-26 | Shinohara Machinery Co Ltd | Gripper seat mechanism of sheet-feed press |
| EP2263878A2 (en) | 2009-06-15 | 2010-12-22 | Komori Corporation | Transport cylinder gripper pad height adjustment device |
| JP2010284938A (en) * | 2009-06-15 | 2010-12-24 | Komori Corp | Device for adjusting height of gripper pad of transfer cylinder |
| JP2010284937A (en) * | 2009-06-15 | 2010-12-24 | Komori Corp | Device for adjusting height of gripper pad of transfer cylinder |
| JP2010284936A (en) * | 2009-06-15 | 2010-12-24 | Komori Corp | Device for adjusting height of gripper base of carrying cylinder |
| US8408124B2 (en) | 2009-06-15 | 2013-04-02 | Komori Corporation | Transport cylinder gripper pad height adjustment device |
| JP2014188966A (en) * | 2013-03-28 | 2014-10-06 | Sakurai Graphic Syst:Kk | Cylinder type screen printer |
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