JP4276220B2 - Roller bearing arrangement structure of printing machine and pressurizing mechanism of printing machine provided with this roller bearing arrangement structure - Google Patents

Roller bearing arrangement structure of printing machine and pressurizing mechanism of printing machine provided with this roller bearing arrangement structure Download PDF

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JP4276220B2
JP4276220B2 JP2005236682A JP2005236682A JP4276220B2 JP 4276220 B2 JP4276220 B2 JP 4276220B2 JP 2005236682 A JP2005236682 A JP 2005236682A JP 2005236682 A JP2005236682 A JP 2005236682A JP 4276220 B2 JP4276220 B2 JP 4276220B2
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ring
outer ring
bearing arrangement
arrangement structure
sleeve
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JP2006064177A (en
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シュバイツァー フェルディナンド
ウーバン アンドレアス
ルレック アンドレアス
ベニンゲル ヘルムート
ライス バルター
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
    • F16C23/10—Bearings, parts of which are eccentrically adjustable with respect to each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
    • F16C13/02—Bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
    • F16C19/55—Systems consisting of a plurality of bearings with rolling friction with intermediate floating or independently-driven rings rotating at reduced speed or with other differential ball or roller bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/24—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly
    • F16C19/28—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly with two or more rows of rollers

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • Support Of The Bearing (AREA)

Description

本発明は、ころがり軸受配置構造およびこのころがり軸受配置構造を備えた印刷機械の加圧機構に関する。 The present invention relates to a rolling bearing arrangement structure and a pressurizing mechanism of a printing machine provided with the rolling bearing arrangement structure.

特許文献１には、ハウジング内のチャックが、その一端の円筒状の孔面に雌ネジを備え、それに続いて緩い角度の円錐状の孔面とを有していて、その中にニードルローラ軸受の外側リングが挿入され、この外側リングが上記円錐状孔面に対応する円錐状外面を有することとした、チャックの内側に装着されたニードルローラ軸受が開示されている。ここで、上記外側リングは、上記ネジに螺合されたナットによって保持され、上記ナットの締めまたは緩めにより、ニードルローラ軸受の半径方向の隙間が調整可能となっている。   In Patent Document 1, a chuck in a housing is provided with a female screw on a cylindrical hole surface at one end thereof, followed by a conical hole surface at a loose angle, and a needle roller bearing therein. A needle roller bearing mounted on the inside of the chuck is disclosed in which the outer ring is inserted and the outer ring has a conical outer surface corresponding to the conical hole surface. Here, the outer ring is held by a nut screwed into the screw, and the radial gap of the needle roller bearing can be adjusted by tightening or loosening the nut.

又、特許文献２には、互いに重なって配置された少なくとも三つの軸受リングを備えた印刷機械のシリンダ装置を支持するためのころがり軸受配置構造が開示されており、これらの軸受リングの間では少なくとも二組の転動体が転動する。この特許文献２では、一つの実施形態によれば、軸受リングの少なくとも一つが、偏心して互いに配置された二つの周面を有しており、この装置では、これらの軸受リングの周方向位置の調整により、ころがり軸受配置構造によって支持されたシリンダ装置の横方向の位置が制御調整され得るという利点を有している。
ＤＥ８７１８５６ ＤＥ２０２１０２２８Ｕ１ Patent Document 2 discloses a rolling bearing arrangement structure for supporting a cylinder device of a printing machine provided with at least three bearing rings arranged to overlap each other, and at least between these bearing rings. Two sets of rolling elements roll. In Patent Document 2, according to one embodiment, at least one of the bearing rings has two circumferential surfaces that are eccentrically arranged with each other. In this apparatus, the circumferential positions of these bearing rings are determined. The adjustment has the advantage that the lateral position of the cylinder device supported by the rolling bearing arrangement structure can be controlled and adjusted.
DE871856 DE20210228U1

本発明の課題は、特に印刷機械の圧力シリンダ装置を組付ける場合に、調整すべき軸受隙間及び軸受リングの真円度に関して最良の精度の要求が簡単にそして低コストで満たされ得る、ころ軸受配置構造およびこのころ軸受配置構造を備えた印刷機械の加圧機構を提供するということにある。 The object of the present invention is to provide a roller bearing which can meet the requirements of the best accuracy in terms of the bearing clearance to be adjusted and the roundness of the bearing ring easily and at low cost, especially when assembling a pressure cylinder device of a printing machine. An object of the present invention is to provide an arrangement structure and a pressurizing mechanism for a printing machine having the roller bearing arrangement structure.

本発明によれば、上記課題は次の第一発明もしくは第二発明により解決される。   According to the present invention, the above problem is solved by the following first or second invention.

＜第一発明＞
− 内側リングと、中間リングと、そして外周面に円錐状の部分が形成されている外側リングとを有していること、
− 内側リングと中間リングとの間に第一の転動体が、そして中間リングと外側リングとの間に第二の転動体が配置されていること、
− 半径方向での厚みが外側リングより小さいスリーブが外側リングと印刷機械のハウジングの孔部との間に配置されていること、
− スリーブは、外側リングの外周面の円錐状の部分に適合する円錐状の部分を内周面に有し、ハウジングの孔部に適合する円筒面状の外周面を有していること、
− 上記スリーブと外側リングとの間に作用して該スリーブ及び外側リングの相対軸方向位置を調整するための手段を備えていること、
を特徴とする印刷機械のころ軸受配置構造。 <First invention>
-Having an inner ring, an intermediate ring and an outer ring having a conical portion formed on the outer peripheral surface;
-A first rolling element is arranged between the inner ring and the intermediate ring, and a second rolling element is arranged between the intermediate ring and the outer ring;
-A sleeve having a smaller radial thickness than the outer ring is arranged between the outer ring and a hole in the housing of the printing machine;
The sleeve has a conical portion on the inner peripheral surface that fits into the conical portion of the outer peripheral surface of the outer ring, and has a cylindrical outer peripheral surface that fits in the bore of the housing;
-Means for acting between the sleeve and the outer ring to adjust the relative axial position of the sleeve and the outer ring;
A roller bearing arrangement structure for a printing machine, characterized by

＜第二発明＞
− 内側リングと、外側リングと、これらの両リングの間に配置された転動体とを有し、該外側リングが外周面に円錐状の部分が形成されていること、
− 半径方向での厚みが外側リングより小さいスリーブが上記外側リングと印刷機械のハウジングの孔部との間に配置されていること、
− スリーブは、上記外側リングの外周面の円錐状の部分に適合する円錐状の部分を内周面に有し、かつハウジングの孔部に適合して非円形断面をなす外周面を有していること、
− 上記スリーブと外側リングの間に作用してスリーブ及び外側リングの相対軸方向位置を調整するための手段を備えていること、
を特徴とする印刷機械のころ軸受配置構造。 <Second invention>
The inner ring, the outer ring, and rolling elements arranged between the two rings, the outer ring having a conical portion formed on the outer peripheral surface;
-A sleeve having a smaller radial thickness than the outer ring is arranged between the outer ring and a hole in the housing of the printing machine;
The sleeve has a conical portion on the inner peripheral surface that conforms to the conical portion of the outer peripheral surface of the outer ring , and has an outer peripheral surface that conforms to the hole of the housing and forms a non-circular cross section; Being
-Means for acting between the sleeve and the outer ring to adjust the relative axial position of the sleeve and the outer ring;
A roller bearing arrangement structure for a printing machine, characterized by

このような構成の本発明にあっては、ころがり軸受配置構造の組付けの際に、互いに適合した円錐状の部分を介して、スリーブ及び外側リングが、対応する軸受ハウジング内で互いに軸方向に相対移動可能であることによって、ころがり軸受の外径は、ミクロンメートルの単位での弾性変形が可能で、そしてこの精度での制御調整可能であり、それにより、ころがり軸受の半径方向の隙間または予圧が所定値に調節可能できる。従って、例えば印刷機械の場合に、組付けの時に例えば１０μｍのオーダーで干渉または隙間を有するために、ころがり軸受配置構造を受容する側壁に設けられる圧力シリンダ装置に対するころがり軸受配置構造の従来装置では必要なミクロンメートルの精度が得られなくなる。本発明によれば、これは、スリーブの外側リングに対する相対移動により調整可能となり、さらに、それによって、組付け及び交換の容易性が明らかに高められる。 In the present invention having such a configuration, when the rolling bearing arrangement structure is assembled, the sleeve and the outer ring are axially connected to each other in the corresponding bearing housing via conical portions that are fitted to each other. Due to the relative movement, the outer diameter of the rolling bearing can be elastically deformed in the order of microns and can be controlled and adjusted with this accuracy, so that the radial clearance or preload of the rolling bearing can be adjusted. Can be adjusted to a predetermined value. Therefore, for example, in the case of a printing machine, in order to have an interference or a gap in the order of 10 μm at the time of assembly, it is necessary in the conventional apparatus of the rolling bearing arrangement structure with respect to the pressure cylinder device provided on the side wall receiving the rolling bearing arrangement structure. The accuracy of a micron meter cannot be obtained. According to the invention, this can be adjusted by the relative movement of the sleeve with respect to the outer ring, which further enhances the ease of assembly and replacement.

スリーブが周囲方向に所定の非円形性をもって形成されていることによって、特に、ころがり軸受配置構造の圧力シリンダ装置に対する組付けの際に、ころがり軸受配置構造を受容する側壁において、同心誤差または形状誤差が修正されるので、それにより側壁におけるころがり軸受配置構造のための受容開口における、従来必要とされていたコスト高な削取り修正加工の必要がなくなる。これは、特に、下側に位置する側壁受容開口がその上に位置する圧力シリンダの圧力によって楕円形に変形されるので、特に、二つ、三つまたはそれ以上の複数段の圧力シリンダの場合に、特に有利である。特に、内側のころがり軸受が予圧をもって運転される円筒ころがり軸受として構成されている、一つの三リング軸受により支持された圧力シリングの場合に、円筒ころがり軌道が絶対的に正確に、そして高真円度で調整可能であるので、良好な圧力形成となり、その形状誤差が低減修正され、そして寿命が最適化される。その際、三リング軸受において、同心誤差及び形状誤差の調整のための非円形性のスリーブの代わりに、または追加して、例えば、第二のニードルローラ軸受として構成されたころがり軸受の転動体が、特にその直径に関して種々のニードルローラとすることができる。   Due to the sleeve being formed with a predetermined non-circularity in the circumferential direction, concentric errors or shape errors at the side wall receiving the rolling bearing arrangement structure, in particular during the assembly of the rolling bearing arrangement structure to the pressure cylinder device. This eliminates the need for costly scraping corrections previously required in the receiving openings for the rolling bearing arrangements on the side walls. This is especially true in the case of two, three or more multi-stage pressure cylinders, since the lower side wall receiving opening is deformed into an ellipse by the pressure of the pressure cylinder located above it. Particularly advantageous. Especially in the case of pressure shilling supported by a single three-ring bearing, where the inner roller bearing is configured as a cylindrical roller bearing operated with preload, the cylindrical roller raceway is absolutely accurate and highly circular. Adjustable in degrees results in good pressure formation, its shape error is reduced and corrected, and lifetime is optimized. In that case, instead of or in addition to the non-circular sleeve for adjusting the concentric error and the shape error in the three-ring bearing, for example, a rolling element of a rolling bearing configured as a second needle roller bearing is provided. In particular, various needle rollers can be used with respect to their diameters.

本発明のさらなる利点、特徴及び詳細は、以下に図面に基づいて説明される本発明の実施形態から明らかになる。   Further advantages, features and details of the present invention will become apparent from the embodiments of the present invention described below with reference to the drawings.

［実施形態１］
図１は、本発明の一実施形態として、印刷機械の圧力シリンダの軸のための三リングころがり軸受の上半分の縦断面図を示している。ここで、三リングころがり軸受は、円錐形の孔が形成された内側リング１２と、偏心した中間リング１４とを有している。その際、上記内側リング１２と中間リング１４との間には、三列の円筒ローラ２２が配置されている。さらに、上記三リングころがり軸受は、外側リング１６を有しており、その外周面は、円錐状の部分を有している。ここで、中間リング１４と外側リング１６との間には、二列のニードルローラ２４が配置されている。さらに、上記三リングころがり軸受は、外側リング１６を実質的に包囲するスリーブ３２をも有しており、このスリーブの外周面が実質的に円筒状に、そして内周面が外側リング１６の円錐状の部分に適合して対応するように円錐状に形成されている。さらに、上記三リングころがり軸受は、取付リング３４をも有しており、それにより、スリーブ３２が外側リング１６に対して少なくとも軸方向で一方向に移動可能である。これに対して、上記取付リング３４は、周囲方向に分布して配置された孔を有しており、これらの孔を通して、該取付リング３４はネジ体３６により外側リング１６と連結可能である。そして、上記スリーブ３２は、対応する軸受ハウジング（図示せず）内への挿入がなされるようになっている。その際、ネジ体３６の締付トルクに応じて、軸受ハウジング内への組み付けの際に、半径方向の軸受間隙または予圧が正確に制御調整され得る。 [Embodiment 1]
FIG. 1 shows a longitudinal section of the upper half of a three-ring rolling bearing for the shaft of a pressure cylinder of a printing machine as an embodiment of the invention. Here, the three-ring rolling bearing has an inner ring 12 in which a conical hole is formed, and an eccentric intermediate ring 14. At that time, three rows of cylindrical rollers 22 are arranged between the inner ring 12 and the intermediate ring 14. Further, the three-ring rolling bearing has an outer ring 16, and its outer peripheral surface has a conical portion. Here, two rows of needle rollers 24 are arranged between the intermediate ring 14 and the outer ring 16. The three-ring rolling bearing also has a sleeve 32 that substantially surrounds the outer ring 16, the outer peripheral surface of the sleeve being substantially cylindrical and the inner peripheral surface being a cone of the outer ring 16. It is formed in a conical shape so as to correspond to and correspond to the shaped portion. Furthermore, the three-ring rolling bearing also has a mounting ring 34, whereby the sleeve 32 is movable in at least one axial direction relative to the outer ring 16. On the other hand, the mounting ring 34 has holes arranged in the circumferential direction, and the mounting ring 34 can be connected to the outer ring 16 by a screw body 36 through these holes. The sleeve 32 is inserted into a corresponding bearing housing (not shown). At that time, depending on the tightening torque of the screw body 36, the radial bearing gap or preload can be accurately controlled and adjusted during assembly into the bearing housing.

その際、一つの実施形態としては、上記スリーブは、若干楕円形をなす断面をもつように形成すると、対応する軸受ハウジング内への組付けの際に、同心誤差及び形状誤差は、円筒ローラ２２の軌道が正確にそして高精度に真円度を維持するように調整することが可能である。本発明のさらなる実施形態においては、ころがり軸受に嵌合されるスリーブが円形スリーブ３２の場合に、中間リング１４と外側リング１６との間に、その直径に関して種々のニードルローラを備えられることにより、楕円形の断面のスリーブによるのと同様の効果を得ることが可能である。 In this case, as an embodiment, if the sleeve is formed to have a slightly elliptical cross section, the concentric error and the shape error are not caused by the cylindrical roller 22 when assembled into the corresponding bearing housing. It is possible to adjust the trajectory of the to maintain the roundness accurately and with high accuracy. In a further embodiment of the present invention, when the sleeve fitted to the rolling bearing is a circular sleeve 32, various needle rollers can be provided between the intermediate ring 14 and the outer ring 16 with respect to their diameters. It is possible to obtain the same effect as with the sleeve having an elliptical cross section.

［実施形態２］
図２は、本発明のさらなる実施形態として、二リングころがり軸受の下半分の縦断面図を示している。その際、上記二リングころがり軸受は、内側リング５２と、外周面に円錐状の部分が形成された外側リング５６とを有している。上記内側リング５２と外側リング５６との間には、三列の円筒ローラ６２が配置されている。さらに、上記二リングころがり軸受は、外側リング５６を実質的に包囲するスリーブ７２を有しており、その外周面が楕円形断面をなしており、またその内周面が上記外側リング５６の円錐状の部分に適合して対応する円錐状に形成されている。さらに、上記二リングころがり軸受は、それにより外側リング５６に対して上記スリーブ７２を軸方向で一方向に移動することが可能である、取付リング７４をも有している。上記取付リング７４は、周方向に分布配置された孔を有しており、これらの孔を通して締められるネジ体７６により該取付リング７４は上記外側リング５６と連結可能である。その際、上記ネジ体７６は、外側リング５６を軸方向に完全に貫通する孔で案内され、上記取付リング７４に対して反対の側にて、ワッシャ７７及びナット７８により、適宜に締められる。その際、上記スリーブ７２は、対応する軸受ハウジング（図示せず）内への挿入されるようになっている。ネジ体７６の締付トルクに応じて、軸受ハウジング内への組み付けの際に、半径方向の間隙または予圧が正確に調整され得る。さらに、楕円形の断面により、軸受ハウジング内への組み付けの際に、円筒ローラ６２の軌道が正確にそして高精度に真円度を出すように、同心誤差そして形状誤差が調整可能である。 [Embodiment 2]
FIG. 2 shows a longitudinal section of the lower half of a two-ring rolling bearing as a further embodiment of the invention. In this case, the two-ring rolling bearing has an inner ring 52 and an outer ring 56 in which a conical portion is formed on the outer peripheral surface. Three rows of cylindrical rollers 62 are arranged between the inner ring 52 and the outer ring 56. Further, the two-ring rolling bearing has a sleeve 72 that substantially surrounds the outer ring 56, an outer peripheral surface thereof has an elliptical cross section, and an inner peripheral surface thereof is a cone of the outer ring 56. It is formed in a corresponding conical shape in conformity with the shaped part. In addition, the two-ring rolling bearing also has a mounting ring 74 by which the sleeve 72 can be moved in one axial direction relative to the outer ring 56. The mounting ring 74 has holes distributed in the circumferential direction, and the mounting ring 74 can be connected to the outer ring 56 by a screw body 76 that is tightened through the holes. At this time, the screw body 76 is guided by a hole that completely penetrates the outer ring 56 in the axial direction, and is appropriately tightened by a washer 77 and a nut 78 on the opposite side to the mounting ring 74. At that time, the sleeve 72 is inserted into a corresponding bearing housing (not shown). Depending on the tightening torque of the screw body 76, the radial gap or preload can be precisely adjusted during assembly into the bearing housing. Further, the elliptical cross section allows adjustment of concentricity and shape errors so that the circular orbit of the cylindrical roller 62 can be accurately and accurately rounded when assembled in the bearing housing.

スリーブを備えた三リングころがり軸受の上半分の縦断面図である。It is a longitudinal cross-sectional view of the upper half of a three-ring rolling bearing provided with a sleeve. スリーブを備えた二リング転がり軸受の下半分の縦断面図である。It is a longitudinal cross-sectional view of the lower half of the two-ring rolling bearing provided with the sleeve.

符号の説明Explanation of symbols

１２，５２ 内側リング
１４ 中間リング
１６，５６ 外側リング
２２，６２ 円筒ローラ
２４ ニードルローラ
３２，７２ スリーブ
３４，７４ 取付リング
３６，７６ ネジ体
７７ ワッシャ
７８ ナット 12, 52 Inner ring 14 Intermediate ring 16, 56 Outer ring 22, 62 Cylindrical roller 24 Needle roller 32, 72 Sleeve 34, 74 Mounting ring 36, 76 Screw body 77 Washer 78 Nut

Claims (12)

− 内側リングと、中間リングと、そして外周面に円錐状の部分が形成されている外側リングとを有していること、
− 内側リングと中間リングとの間に第一の転動体が、そして中間リングと外側リングとの間に第二の転動体が配置されていること、
− 半径方向での厚みが外側リングより小さいスリーブが外側リングと印刷機械のハウジングの孔部との間に配置されていること、
− スリーブは、外側リングの外周面の円錐状の部分に適合する円錐状の部分を内周面に有し、ハウジングの孔部に適合する円筒面状の外周面を有していること、
− 上記スリーブと外側リングとの間に作用して該スリーブ及び外側リングの相対軸方向位置を調整するための手段を備えていること、
を特徴とする印刷機械のころ軸受配置構造。 -Having an inner ring, an intermediate ring and an outer ring having a conical portion formed on the outer peripheral surface;
-A first rolling element is arranged between the inner ring and the intermediate ring, and a second rolling element is arranged between the intermediate ring and the outer ring;
-A sleeve having a smaller radial thickness than the outer ring is arranged between the outer ring and a hole in the housing of the printing machine;
The sleeve has a conical portion on the inner peripheral surface that fits into the conical portion of the outer peripheral surface of the outer ring, and has a cylindrical outer peripheral surface that fits in the bore of the housing;
-Means for acting between the sleeve and the outer ring to adjust the relative axial position of the sleeve and the outer ring;
A roller bearing arrangement structure for a printing machine, characterized by 上記第一の転動体が、円筒ローラであることとする請求項１に記載のころ軸受配置構造。   The roller bearing arrangement structure according to claim 1, wherein the first rolling element is a cylindrical roller. 上記第二の転動体が、ニードルローラであることとする請求項１または請求項２に記載のころ軸受配置構造。   The roller bearing arrangement structure according to claim 1, wherein the second rolling element is a needle roller. 上記第二の転動体が、その直径に関して、種々の転動体を有していることとする請求項１ないし請求項３のうちの一つに記載のころ軸受配置構造。   The roller bearing arrangement structure according to any one of claims 1 to 3, wherein the second rolling element has various rolling elements with respect to a diameter thereof. − 内側リングと、外側リングと、これらの両リングの間に配置された転動体とを有し、該外側リングが外周面に円錐状の部分が形成されていること、
− 半径方向での厚みが外側リングより小さいスリーブが上記外側リングと印刷機械のハウジングの孔部との間に配置されていること、
− スリーブは、上記外側リングの外周面の円錐状の部分に適合する円錐状の部分を内周面に有し、かつハウジングの孔部に適合して非円形断面をなす外周面を有していること、
− 上記スリーブと外側リングの間に作用してスリーブ及び外側リングの相対軸方向位置を調整するための手段を備えていること、
を特徴とする印刷機械のころ軸受配置構造。 The inner ring, the outer ring, and rolling elements arranged between the two rings, the outer ring having a conical portion formed on the outer peripheral surface;
-A sleeve having a smaller radial thickness than the outer ring is arranged between the outer ring and a hole in the housing of the printing machine;
The sleeve has a conical portion on the inner peripheral surface that conforms to the conical portion of the outer peripheral surface of the outer ring , and has an outer peripheral surface that conforms to the hole of the housing and forms a non-circular cross section; Being
-Means for acting between the sleeve and the outer ring to adjust the relative axial position of the sleeve and the outer ring;
A roller bearing arrangement structure for a printing machine, characterized by 上記非円形性断面が、周方向の少なくとも一つの位置で、真円から半径方向にほぼ５から１０００μｍのずれを有していることとする請求項５に記載のころ軸受配置構造。   The roller bearing arrangement structure according to claim 5, wherein the non-circular cross section has a deviation of approximately 5 to 1000 μm in the radial direction from the perfect circle at at least one position in the circumferential direction. 上記スリーブの外周面の断面が楕円形であることとする請求項５または請求項６に記載のころ軸受配置構造。 The roller bearing arrangement structure according to claim 5 or 6 , wherein a cross section of an outer peripheral surface of the sleeve is elliptical. 上記調整のための手段が取付リングであることとする請求項１ないし請求項７のうちの一つに記載のころ軸受配置構造。 Bearing arrangement roller according to one of claims 1 to 7, that means for the adjustment is the mounting ring. 上記取付リングが上記スリーブの一方の端面に当接するようになっていることとする請求項８に記載のころ軸受配置構造。 The roller bearing arrangement structure according to claim 8 , wherein the mounting ring comes into contact with one end face of the sleeve. 上記調整のための手段がネジ体を有していることとする請求項１ないし請求項９のうちの一つに記載のころ軸受配置構造。 The roller bearing arrangement structure according to any one of claims 1 to 9 , wherein the means for adjusting includes a screw body. 上記ネジ体が、上記取付リングの孔を通して案内され、上記外側リングと連結可能であることとする請求項１０に記載のころ軸受配置構造。 The roller bearing arrangement structure according to claim 10 , wherein the screw body is guided through the hole of the mounting ring and can be connected to the outer ring. 軸受ハウジング内で、少なくとも請求項１ないし請求項１１のうちの一つに記載のころ軸受配置により支持されている、少なくとも一つの圧力シリンダ装置を備えることを特徴とする印刷機械の加圧機構。 In the bearing housing, it is supported by a bearing arrangement Roller according to one of at least claims 1 to 11, pressure mechanism of a printing machine, characterized in that it comprises at least one pressure cylinder device.
JP2005236682A 2004-08-24 2005-08-17 Roller bearing arrangement structure of printing machine and pressurizing mechanism of printing machine provided with this roller bearing arrangement structure Expired - Fee Related JP4276220B2 (en)

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