JP2005035173A - Wallpaper paste applying machine - Google Patents

Wallpaper paste applying machine Download PDF

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JP2005035173A
JP2005035173A JP2003274674A JP2003274674A JP2005035173A JP 2005035173 A JP2005035173 A JP 2005035173A JP 2003274674 A JP2003274674 A JP 2003274674A JP 2003274674 A JP2003274674 A JP 2003274674A JP 2005035173 A JP2005035173 A JP 2005035173A
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roll
bearing
gluing
glue
lower structure
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JP4365156B2 (en
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Genzo Sano
源蔵 佐野
Kanji Miyaki
完志 宮木
Toshiki Shinkawa
俊樹 新川
Kenichi Maekawa
賢一 前川
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Yayoi Chemical Industry Co Ltd
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Yayoi Chemical Industry Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a wallpaper paste applying machine capable of keeping a good journalling condition where there exists no possibility of making a paste enter the bearings of a roll and the outside from the bearings of the wallpaper paste applying machine, and performing a uniform pasting work for a long time. <P>SOLUTION: The bearings for the roll journalled on side wall plates of a lower part structural body of the paste applying machine main body, are provided with penetration shaft holes through which a rotating shaft of the roll passes, at least one annular channel formed on the inner peripheral face of the penetration shaft hole, and an O-ring comprising an elastic member mounted under a specified compressed condition in the annular channel. The O-ring is brought into contact with the rotating shaft of the roll with a specified pushing force by a stress generated by compression. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、例えば屋内壁面にシート状壁装材を貼付ける際に該壁装材の裏面に連続的に糊を塗布する壁紙糊付機に関するものであり、特に、ドクターロール等のロール回転軸の軸受けに関するものである。   TECHNICAL FIELD The present invention relates to a wallpaper pasting machine that applies paste continuously to the back surface of a wall covering material, for example, when a sheet-like wall covering material is applied to an indoor wall surface, and in particular, a roll rotating shaft such as a doctor roll. This is related to the bearings.

壁紙糊付機の一般的な構成としては、糊付機本体の内部に複数のロールが配置された上部構体と下部構体の間に挟み込んだシート状壁装材(以下、クロスと記す)をロールで本体後面部から引き入れて前面側へ搬送しながら下部構体内に装着されている糊タンク内にの糊を該タンクに軸支されている糊掻上げロールですくい上げて糊付けロールに転写し、この糊付けロールによりクロス壁装材裏面に塗付していくものである。   As a general configuration of a wallpaper pasting machine, a sheet-like wall covering (hereinafter referred to as a cross) sandwiched between an upper structure and a lower structure, in which a plurality of rolls are arranged inside the main body of the pasting machine, is rolled. In this case, the glue in the glue tank mounted in the lower structure is scooped up by the glue scraping roll supported by the tank and transferred to the glue roll while being pulled from the rear surface of the main body and conveyed to the front side. It is applied to the back of the cloth wall covering material with a gluing roll.

各ロールは、上部構体及び下部構体の左右両側壁に軸受けを介して回転可能に軸支されており、側壁外側でギアを介して互いに連動回転するようにあるいは単に追従回転するように配置されている。糊付けロールは、糊タンク上方で糊掻上げロールに接するように下部構体の左右両側壁に軸支されている。   Each roll is rotatably supported on the left and right side walls of the upper structure and the lower structure via bearings, and is arranged to rotate in conjunction with each other via a gear on the outside of the side wall or simply to follow and rotate. Yes. The gluing roll is pivotally supported on the left and right side walls of the lower structure so as to be in contact with the gluing roll above the glue tank.

通常は、この糊付けロールに近接配置することにより糊付けロールに付着している糊量を調整するためドクターロールも下部構体の左右側壁に軸支されている。このドクターロールは、ロール表面同士に所定の間隙が形成されるように糊付けロールとの相対間隔が設定されており、糊付けロール表面上に付着した糊は、ドクターロールとの接触により前記間隙相当の糊厚に調整されてから壁装材裏面に転写塗付されていく。従って、ドクターロールと糊付けロールとの相対間隔によって壁装材裏面に塗布される糊厚が決定されることとなる。   Usually, the doctor roll is also pivotally supported on the left and right side walls of the lower structure in order to adjust the amount of glue adhering to the gluing roll by being arranged close to the gluing roll. The doctor roll has a relative distance from the glue roll so that a predetermined gap is formed between the roll surfaces, and the glue adhered on the glue roll surface corresponds to the gap by contact with the doctor roll. After being adjusted to the glue thickness, it is transferred to the back of the wall covering. Therefore, the glue thickness applied to the back surface of the wall covering material is determined by the relative distance between the doctor roll and the glue roll.

そこで、糊付け対象となる壁装材毎に、その材質や用いる糊の種類に応じた糊量(糊厚)が選択されるが、同一装置においてこの糊量を容易に変更できるように、ドクターロールと糊付けロールとの相対間隔を変更可能に調整するための調整手段を設けた壁紙糊付機もある(例えば、特許文献1、特許文献2参照。)。   Therefore, for each wall covering material to be glued, a glue amount (glue thickness) corresponding to the material and the type of glue to be used is selected, but a doctor roll is used so that this glue amount can be easily changed in the same device. There is also a wallpaper gluing machine provided with an adjusting means for adjusting the relative distance between the gluing roll and the gluing roll (see, for example, Patent Document 1 and Patent Document 2).

特開平8−66651号公報JP-A-8-66651 特開2002−1189号公報JP 2002-1189 A

しかしながら、上記のような壁紙糊付機では、使用時間の経過に伴って、各ロールの回転軸が貫挿される軸受けの軸孔が摩耗していくため、特に糊付けロールにおいてこのような摩耗により軸受けでの軸支状態が不安定になると、糊付け回転の際にガタついて均一な糊塗付が困難になることも考えられる。   However, in the wallpaper pasting machine as described above, since the shaft hole of the bearing through which the rotation shaft of each roll is inserted wears with the passage of time of use, the bearing due to such wear particularly in the pasting roll. If the shaft support state becomes unstable, it may be difficult to apply uniform glue by rattling during the glue rotation.

また、糊量を調整するために相対間隔を微妙に変更調整していた糊付けロールとドクターロールでは、このような軸受けの摩耗による僅かな位置ずれで相対間隔の調整精度が維持できなくなる問題も生じる。   In addition, in the gluing roll and the doctor roll, in which the relative interval is slightly changed and adjusted in order to adjust the amount of glue, there is a problem that the adjustment accuracy of the relative interval cannot be maintained due to such a slight positional deviation due to the wear of the bearing. .

そこで、このような摩耗やそれによる位置ずれ、ガタツキを回避するために、軸受けにベアリング機構を利用したものもある。しかし、下部構体に軸支されるローラにおいては、糊タンクに近い配置であり、また実際に糊が付着されるものもあることから、糊が回転軸に沿って軸受け内にまで浸入することがあり、ベアリング機構に支障を生じせしめる問題がある。   Therefore, in order to avoid such wear, displacement due to it, and backlash, there is a bearing mechanism that uses a bearing mechanism. However, since the rollers supported by the lower structure are arranged close to the glue tank, and some of the glue is actually attached, the glue can penetrate into the bearing along the rotation axis. There is a problem that causes trouble to the bearing mechanism.

一方、上記のようにドクターロールの糊付けロールに対する相対間隔を変更可能に調整する手段が設けられている壁紙糊付機では、ドクターロールの軸受け部材を利用してこの調整手段を構成しているものもある。例えば、側壁板に回動可能に形成される軸受けに該軸受けの回動中心から偏心した位置でドクターロールの回転軸を軸支すると共にその軸受けの側壁板外側に位置する側に扇形の調整ギアを一体に形成し、この調整ギアに一端側が歯合する歯合部材と該部材の他端部を回動中心として回動させるレバーとを備えたものがある。   On the other hand, in the wallpaper gluing machine provided with means for adjusting the relative distance of the doctor roll relative to the gluing roll as described above, this adjusting means is configured using the bearing member of the doctor roll. There is also. For example, a rotation shaft of a doctor roll is supported on a bearing formed so as to be rotatable on a side wall plate at a position eccentric from the rotation center of the bearing, and a fan-shaped adjustment gear is provided on the side of the bearing located outside the side wall plate. Are formed integrally, and the adjusting gear is provided with a meshing member whose one end engages and a lever that rotates around the other end of the member as a rotation center.

このレバーの端部は糊付機本体の外部に設けられた目盛板上を移動するものであり、この移動量に応じた角度だけ回動させられる歯合部材によって調整ギアが回動され、これに伴って軸受けも所定角度分回動することによって、この回動中心から偏心した位置で軸支されているドクターロールが移動し、糊付けロールに対する相対間隔が変更されるものである。このような調整手段では、軸受けから調整手段の構成部分に糊が浸入すると、各構成部材間の連結、連動に支障が生じ、高精度な糊厚調整が行えなくなるという問題も生じ得る。   The end of this lever moves on a scale plate provided outside the gluing machine body, and the adjustment gear is rotated by a gearing member that is rotated by an angle corresponding to the amount of movement. Along with this, the bearing is also rotated by a predetermined angle, so that the doctor roll supported at a position deviated from the rotation center is moved, and the relative distance to the gluing roll is changed. In such an adjusting means, when glue enters the constituent parts of the adjusting means from the bearing, there is a problem in that the connecting and interlocking between the constituent members is hindered, and the adhesive thickness adjustment cannot be performed with high accuracy.

本発明の目的は、上記問題点に鑑み、壁紙糊付機の特に下部構体の左右側壁板に軸受けを介して軸支されている各ロールにおいて、その軸受けや該軸受けから外部に糊が浸入することなく良好な軸支状態が維持でき、長期に亘って均一な糊付作業が行える壁紙糊付機を提供することにある。また、本発明は、糊付けロールとドクターロールとの相対間隔を調整する糊厚調整手段を有するものの場合、長期に亘って良好な調整精度が維持できる壁紙糊付機の提供を目的とする。   The object of the present invention is to solve the above-mentioned problems, and in each roll supported on the right and left side wall plates of the lower structure of the wallpaper pasting machine via bearings, glue enters the bearings and the bearings to the outside. It is an object of the present invention to provide a wallpaper pasting machine that can maintain a good shaft support state and can perform uniform pasting work over a long period of time. Another object of the present invention is to provide a wallpaper pasting machine that can maintain good adjustment accuracy over a long period of time when it has glue thickness adjusting means for adjusting the relative distance between the glue roll and the doctor roll.

上記目的を達成するため、請求項1に記載の発明に係る壁紙糊付機は、糊付機本体の上部構体と下部構体との間にシート状壁装材を挟み、上下構体のそれぞれの左右両側壁板に軸受けを介して回転可能に軸支された複数のロールによって前記壁装材を糊付機本体後面部から前面部へ所定の経路に沿って搬送させながら、前記下部構体に軸支されている糊付けロールによって壁装材裏面に連続的に糊を塗布する壁紙糊付機において、前記下部構体の側壁板に軸支されるロールの軸受けは、ロールの回転軸が貫挿される貫通軸孔と、該貫通軸孔の内周面に少なくとも一つ形成された環状溝と、該環状溝内に所定の圧縮状態で装着される弾性部材からなるO−リングとを備えたものであり、該O−リングは、前記圧縮により発生する応力により前記ロールの回転軸に所定の押し付け力を持って接することを特徴とするものである。   In order to achieve the above object, a wallpaper pasting machine according to the first aspect of the present invention includes a sheet-like wall covering material sandwiched between an upper structure and a lower structure of a pasting machine body, and left and right of each of the upper and lower structures. While the wall covering material is transported along a predetermined path from the rear surface portion of the gluing machine main body to the front surface portion by a plurality of rolls rotatably supported on both side wall plates via bearings, the wall structure is supported on the lower structure. In the wallpaper gluing machine for continuously applying the glue to the back of the wall covering material by the glued roll, the bearing of the roll supported on the side wall plate of the lower structure is a through shaft through which the rotation axis of the roll is inserted. A hole, an annular groove formed on at least one inner peripheral surface of the through-shaft hole, and an O-ring made of an elastic member mounted in a predetermined compressed state in the annular groove, The O-ring is formed by the stress generated by the compression. The axis of rotation of Lumpur is characterized in that the contact with a predetermined pressing force.

また、請求項2に記載の発明に係る壁紙糊付機は、請求項1に記載の壁紙糊付機において、前記下部構体の左右両側壁板に軸支されるロールには、前記糊付けロールに付着する糊を調整するために糊付けロールに近接配置されるドクターロールが含まれるものである。   Moreover, the wallpaper pasting machine according to the invention described in claim 2 is the wallpaper pasting machine according to claim 1, wherein the roll supported on the left and right side wall plates of the lower structure includes the glue pasting roll. A doctor roll arranged close to the gluing roll to adjust the glue to be attached is included.

また、請求項3に記載の発明に係る壁紙糊付機は、請求項2に記載の壁紙糊付機において、前記ドクターロールの軸受けは、ドクターロールと糊付けロールとの相対間隔を変更可能に調整するための調整ギアが一体に設けられていると共に、該調整ギアを正逆回転可能とするように前記下部構体の側壁板に回動可能に嵌合されており、該軸受けの回動中心から偏心した位置でドクターロールの回転軸が軸支されていることを特徴とするものである。   Further, the wallpaper pasting machine according to the invention described in claim 3 is the wallpaper pasting machine according to claim 2, wherein the bearing of the doctor roll is adjusted so that the relative distance between the doctor roll and the glue roll can be changed. And an adjustment gear is integrally provided, and is rotatably fitted to the side wall plate of the lower structure so that the adjustment gear can be rotated forward and backward. The rotation axis of the doctor roll is pivotally supported at an eccentric position.

本発明は、壁紙糊付機の下部構体の側壁板に軸支されるロールの軸受けを、貫通軸孔の内周面に少なくとも一つ形成された環状溝内に弾性部材からなるO−リングが所定の圧縮状態で装着されたものとしたことにより、O−リングが前記圧縮により発生する応力による所定の押し付け力を持ってロールの回転軸に接するものであるため、この軸受けは、O−リングより外側への糊の漏れを防ぐ密封作用を有し、ロール回転による振動に対しても糊密封状態を維持しつつ長期に亘って安定にロールを軸支することができるので、本発明による壁紙糊付機においては、軸受け内への糊の浸入による悪影響は回避され、長期に亘って均一で良好な糊付作業が行えるという効果がある。   According to the present invention, an O-ring made of an elastic member is provided in a ring groove formed on at least one inner peripheral surface of a through-shaft hole for a bearing of a roll supported on a side wall plate of a lower structure of a wallpaper pasting machine. Since the O-ring is mounted in a predetermined compression state, the O-ring comes into contact with the rotating shaft of the roll with a predetermined pressing force due to the stress generated by the compression. The wallpaper according to the present invention has a sealing action to prevent leakage of glue to the outside, and can stably support the roll over a long period of time while maintaining the glue-sealed state against vibration caused by roll rotation. In the gluing machine, an adverse effect due to the penetration of the glue into the bearing is avoided, and there is an effect that uniform and good gluing work can be performed over a long period of time.

本発明の壁紙糊付機では、下部構体の側壁板に軸受けを介して軸支されるロールにおいて、その軸受けとして、ロール回転軸を貫挿させて受け入れるための貫通軸孔の内周面に一つ以上の環状溝が形成され、該環状溝内に弾性部材からなるO−リングが所定の圧縮状態で装着されたものを用いるものである。   In the wallpaper pasting machine of the present invention, in the roll supported on the side wall plate of the lower structure via a bearing, the roll is fixed to the inner peripheral surface of the through-shaft hole for receiving the roll rotation shaft. One or more annular grooves are formed, and an O-ring made of an elastic member is mounted in the annular groove in a predetermined compression state.

従って、この軸受けにより軸支されるロールでは、ロール回転軸がO−リングの圧縮により発生する応力によって所定の押し付け力を持って支持されるものであるため、このO−リングによる押圧部分が軸受けのシール部となり、回転軸に沿って外方へ出て行こうとする糊も、このシール部により封じられ、それより外側への漏れが防止される。   Accordingly, in the roll supported by this bearing, the roll rotation shaft is supported with a predetermined pressing force by the stress generated by the compression of the O-ring. Glue that becomes a seal portion and tries to go outward along the rotation axis is also sealed by the seal portion, and leakage to the outside is prevented.

このようなO−リングによる押し付け力を伴った回転軸の支持状態では、回転軸は常にその軸中心方向へ付勢されるため、その軸支位置が常に安定に維持される同軸合せ効果も得られる。よって、本発明の壁紙糊付機では、糊タンクに近い位置で下部構体に配置されるロールを、上記の如き構成の軸受けを介して軸支するため、軸受け内およびそれより外部への糊の浸入を封止し、ロール回転による振動に対しても安定にロールを軸支することができ、長期に亘って均一で良好な糊付作業が行える。   In such a support state of the rotating shaft accompanied by the pressing force by the O-ring, the rotating shaft is always urged toward the center of the shaft, so that a coaxial alignment effect can be obtained in which the shaft support position is always stably maintained. It is done. Therefore, in the wallpaper pasting machine according to the present invention, since the roll arranged in the lower structure near the glue tank is pivotally supported through the bearing having the above-described configuration, the glue inside and outside of the bearing is transferred to the outside. The intrusion is sealed, the roll can be stably supported against vibration caused by roll rotation, and uniform and good gluing can be performed over a long period of time.

特に、糊付けロールは、このような糊封止作用を有する軸受けを介して下部構体に軸支されることによって、糊の浸入が阻止されながらも上記のような同軸合わせ効果も得られ、長期に亘って安定した糊付け回転が行われる。   In particular, the gluing roll is pivotally supported by the lower structure through a bearing having such a gluing sealing action, so that the above-described coaxial alignment effect can be obtained while preventing the intrusion of gluing. A stable gluing rotation is performed.

さらに、この糊付けロールとドクターロールにおいては、互いの相対位置の変更調整による糊量調整にあたって、まず糊付けロールの安定な位置付けが維持され、それに対するドクターロールの相対位置調整も、例えばドクターロール軸受けの下部構体側壁板の外方側に設けられた調整ギアを含む調整機構への糊の浸入による悪影響も回避されるため、常に精度の高い糊量調整が行える。   Further, in the gluing roll and the doctor roll, when adjusting the amount of glue by changing and adjusting the relative position of each other, the stable positioning of the gluing roll is first maintained. Since adverse effects due to the invasion of the glue into the adjusting mechanism including the adjusting gear provided on the outer side of the lower structure side wall plate are avoided, the glue amount can be adjusted with high accuracy at all times.

なお、軸受けに形成される環状溝と該溝内に装着されるO−リングによって構成されるシール部は、少なくとも軸受けに一つ設ければ、前記糊密封作用と同軸作用は充分発揮されるが、本発明においては、これに限定されるものではなく、例えば、軸受けの下部構体側壁板の本体内側寄りと外側寄りとの2カ所に設けるなど、シール部を複数箇所にしてより高い糊密封作用及び同軸合わせ効果を確保する構成としても良い。   In addition, if at least one seal portion constituted by an annular groove formed in the bearing and an O-ring mounted in the groove is provided in the bearing, the adhesive sealing action and the coaxial action are sufficiently exhibited. In the present invention, the present invention is not limited to this. For example, it is provided at two locations on the inner side and the outer side of the main body of the lower structure side wall plate of the bearing. And it is good also as a structure which ensures the coaxial alignment effect.

また、本発明で用いられるO−リングとしては、長期の使用期間に亘って、各ロールの回転軸への適度な押圧力による前記密封作用を維持しつつ軸回転による摩耗に抗することができる弾性力と強度とを備えたものであれば良く、例えばニトリルゴム、スチレンブタジエンゴム、シリコーンゴム、フッ素ゴム、アクリルゴム、クロロプレンゴム、エチレンプロピレンゴム、ブチルゴムなどの耐摩耗性の高いの各種合成ゴム、合成樹脂等が広く使用可能である。   Moreover, as an O-ring used in the present invention, it is possible to resist wear due to shaft rotation while maintaining the sealing action by an appropriate pressing force to the rotation shaft of each roll over a long period of use. Various kinds of synthetic rubbers with high wear resistance such as nitrile rubber, styrene butadiene rubber, silicone rubber, fluorine rubber, acrylic rubber, chloroprene rubber, ethylene propylene rubber, butyl rubber, etc. Synthetic resins can be widely used.

また、本発明のO−リングは、断面円形のものに限らず、回転軸に対して適度な接触幅を形成できるものであればよく、複数個のシールリップを有するものでもよい。また、回転軸の回転を滑らかにするため、O−リングと回転軸との接触面間に油膜を介在せしめて使用してもよい。   In addition, the O-ring of the present invention is not limited to a circular cross section, and any O-ring that can form an appropriate contact width with respect to the rotating shaft may be used, and may have a plurality of seal lips. Moreover, in order to make rotation of a rotating shaft smooth, you may use it, interposing an oil film between the contact surfaces of an O-ring and a rotating shaft.

なお、本発明は、自動式及び手動式にかかわらず、回転ロールを用いる壁紙糊付機であればいずれのタイプでも有効であることは言うまでもない。   Needless to say, the present invention is effective for any type of wallpaper pasting machine using a rotating roll, regardless of whether it is automatic or manual.

本発明の一実施例として、壁紙糊付機の下部構体に軸支されるローラの軸受けを図1および図2に示す。図1は、ドクターロール用の軸受けの構成を示すものであり、(a)はドクターロール回転軸の本軸受けによる軸支状態を示す概略断面図、(b)は軸受けの部材構成を示す正面図、(c)は側断面図である。図2は、ドクターロール以外の糊付けロール等のドクターロール以外のロール用の軸受けの部材構成を示す概略模式図であり(a)は正面図、(b)は側断面図である。   As an embodiment of the present invention, FIGS. 1 and 2 show roller bearings that are pivotally supported by the lower structure of a wallpaper pasting machine. 1A and 1B show the structure of a bearing for a doctor roll. FIG. 1A is a schematic cross-sectional view showing a state in which the doctor roll rotating shaft is supported by the main bearing, and FIG. 1B is a front view showing a member structure of the bearing. (C) is a sectional side view. FIG. 2: is a schematic diagram which shows the member structure of the bearings for rolls other than doctor rolls, such as glueing rolls other than a doctor roll, (a) is a front view, (b) is a sectional side view.

本実施例では、図1に示すように、ドクターロール用の軸受け1として糊量調整機構と連動するタイプのものについて例示する。本軸受け1は、下部構体の左右両側壁板20に、回動可能に嵌合されているものであり、側壁板20の外側に、扇形の調整ギア5が一体に形成されている。なお、本軸受け1は、ドクターロール回転軸Dの左右両端の軸支に用いられるものであるが、左右両軸受けは互いに対称で同じ機構を有するものであるので、ここでは説明の簡便のため、一方の側の軸受けのみを図示して説明するものとする。   In the present embodiment, as shown in FIG. 1, a type of roller 1 that is linked to a glue amount adjusting mechanism is illustrated as a bearing 1 for a doctor roll. The bearing 1 is rotatably fitted to the left and right side wall plates 20 of the lower structure, and a fan-shaped adjustment gear 5 is integrally formed on the outside of the side wall plate 20. In addition, although this bearing 1 is used for the pivotal support of the left-right both ends of the doctor roll rotating shaft D, since both right-and-left bearings are mutually symmetrical and have the same mechanism, here, for simplicity of explanation, Only the bearings on one side are illustrated and described.

本軸受け1では、軸受け1の回動中心から予め定められた距離だけ偏心して貫通軸孔4が形成されている。この貫通軸孔4の内周面には、側壁板20に対して糊付機本体内側寄りと外側よりの2カ所に環状溝(2a,2b)が形成されている。ドクターロール回転軸Dは、貫通軸孔4に貫挿され、該貫通軸孔4から突出する先端部が駆動用ギア21に嵌合されるものである。   In the bearing 1, the through-shaft hole 4 is formed eccentrically by a predetermined distance from the rotation center of the bearing 1. On the inner peripheral surface of the through-shaft hole 4, annular grooves (2 a, 2 b) are formed at two locations closer to the inner side of the gluing machine main body and the outer side with respect to the side wall plate 20. The doctor roll rotating shaft D is inserted through the through-shaft hole 4, and a tip portion protruding from the through-shaft hole 4 is fitted to the driving gear 21.

貫通軸孔4内では、ドクターロール回転軸Dは、各環状溝(2a,2b)の内に所定の圧縮状態で装着される断面円形状のフッ素ゴム製O−リング(3a,3b)を介して受け入れられる。従って、回転軸Dに押圧接触するO−リング(3a,3b)により、回転軸表面上はシールされ、O−リング(3a,3b)より外側への糊の漏れは防止される。   In the through-shaft hole 4, the doctor roll rotation axis D passes through the O-ring (3 a, 3 b) made of a fluoro rubber having a circular cross section that is mounted in a predetermined compression state in each annular groove (2 a, 2 b). Accepted. Accordingly, the O-rings (3a, 3b) that are in pressure contact with the rotating shaft D are sealed on the surface of the rotating shaft, and leakage of glue outward from the O-rings (3a, 3b) is prevented.

なお、軸受け1の扇形の調整ギア5には、歯合部材6の一端側が歯合し、不図示のレバーによって歯合部材6がその他端部を中心に回動される。このレバーの端部は糊付機本体の外部に設けられた目盛板(不図示)上を移動するものであり、このレバーの移動量に応じた角度だけ回動させられる歯合部材6によって調整ギア5が回動され、これに伴って軸受け1も所定角度分回動し、この回動中心から偏心した位置で軸支されているドクターロールが移動し、糊付けロールに対する相対間隔が変更されるものである。   The fan-shaped adjustment gear 5 of the bearing 1 meshes with one end side of the meshing member 6, and the meshing member 6 is rotated around the other end by a lever (not shown). The end of this lever moves on a scale plate (not shown) provided outside the gluing machine main body, and is adjusted by a toothing member 6 that is rotated by an angle corresponding to the amount of movement of this lever. As the gear 5 is rotated, the bearing 1 is also rotated by a predetermined angle, and the doctor roll supported at an eccentric position from the rotation center is moved, so that the relative distance to the gluing roll is changed. Is.

本実施例では、軸受け1は、このような調整手段と連動し、その一部を構成するものであるが、軸受け1のシール作用によって、軸受け1から調整ギア5及び他の調整手段の構成部分へと糊が浸入することはなく、糊による各構成部材間の連結、連動に支障が生じる問題は回避され、常に高精度な糊厚調整が行える。   In the present embodiment, the bearing 1 is linked to such an adjusting means and constitutes a part thereof. However, the bearing 1 is connected to the adjusting gear 5 and other adjusting means by the sealing action of the bearing 1. The glue does not enter the gap, and the problem of hindering the connection and interlocking between the constituent members due to the glue is avoided, and the glue thickness can be adjusted with high accuracy at all times.

また、図2に示すように、本実施例の糊付けロール用軸受け11は、外形六角形状を有し、下部構体の側壁板20に嵌入装着されて固定される。軸受け11には、糊付けロール回転軸が貫挿される貫通軸孔14が形成されており、該貫通軸孔14から突出する回転軸先端は、駆動用ギアに嵌合されており、糊付作業時には、駆動源からの回転運動が該駆動用ギアを介して伝達され、糊付けロールを所定の速度で回転させる。   As shown in FIG. 2, the gluing roll bearing 11 of the present embodiment has an outer shape hexagonal shape, and is fitted and fixed to the side wall plate 20 of the lower structure. The bearing 11 is formed with a through-shaft hole 14 through which the rotating shaft of the gluing roll is inserted, and the front end of the rotating shaft protruding from the through-shaft hole 14 is fitted to the drive gear. Rotational motion from the driving source is transmitted through the driving gear, and the gluing roll is rotated at a predetermined speed.

貫通軸孔14の内周面には、側壁板20に対して本体内側寄りおよび外側寄りの2カ所に環状溝(12a,12b)が形成されており、貫通軸孔14内への回転軸の貫挿の際には、環状溝(12a,12b)内に所定の圧縮状態で装着されるO−リングを介して受け入れられる。   On the inner peripheral surface of the through-shaft hole 14, annular grooves (12 a, 12 b) are formed at two locations closer to the inside and outside of the main body with respect to the side wall plate 20. In the case of penetration, it is received via an O-ring which is mounted in a predetermined compression state in the annular grooves (12a, 12b).

従って、回転軸に適度な押圧力を持って接触するO−リングにより、糊付けロール回転軸の表面上はシールされ、O−リングより外側への糊の漏れは防止されると同時に、常に同軸合わせ効果も発揮されるため、糊付けロールは、軸受け11に何ら糊による悪影響が生じることなく、常に安定した回転で、均一で良好な糊付けが行われる。   Therefore, the surface of the gluing roll rotating shaft is sealed by the O-ring that contacts the rotating shaft with an appropriate pressing force, so that leakage of glue to the outside of the O-ring is prevented, and at the same time, coaxial alignment is always performed. Since the effect is also exerted, the gluing roll does not cause any adverse effect due to the gluing on the bearing 11, and uniform gluing is always performed with stable rotation.

なお、上記糊付けロール用軸受け11の構成は、例えば、糊付けロールの前方に配置される均しロールなど他のロールの軸受けとして共通のものを用いることができる。また下部構体に軸支される他のロールのなかでも、比較的糊タンクから離れて糊の付着し難い配置のもの、例えば下側ピンチロールなどでは、環状溝とO−リングカラなるシール部を一箇所設けただけの軸受けとしても、シール効果は充分である。   In addition, the structure of the said bearing 11 for gluing rolls can use a common thing as a bearing of other rolls, such as a leveling roll arrange | positioned ahead of a gluing roll, for example. Among other rolls that are pivotally supported by the lower structure, those that are relatively far from the glue tank and difficult to attach glue, such as the lower pinch roll, have a circular groove and an O-ring collar seal. Even if a bearing is provided only at a location, the sealing effect is sufficient.

本発明の一実施例による壁紙糊付機のドクターロール用軸受けを示す概略構成図である。It is a schematic block diagram which shows the bearing for doctor rolls of the wallpaper pasting machine by one Example of this invention. 本発明の一実施例による壁紙糊付機の糊付けロール用軸受けを示す概略構成図である。It is a schematic block diagram which shows the bearing for glueing rolls of the wallpaper pasting machine by one Example of this invention.

符号の説明Explanation of symbols

1:ドクターロール用軸受け
2a,2b,12a,12b:環状溝
3a,3b:O−リング
4:貫通軸孔
5:調整ギア
6:歯合部材
11:糊付けロール用軸受け
20:下部構体の側壁板
21:駆動ギア
1: Doctor roll bearings 2a, 2b, 12a, 12b: annular grooves 3a, 3b: O-ring 4: through shaft hole 5: adjusting gear 6: meshing member 11: gluing roll bearing 20: side wall plate of lower structure 21: Drive gear

Claims (3)

糊付機本体の上部構体と下部構体との間にシート状壁装材を挟み、上下構体のそれぞれの左右両側壁板に軸受けを介して回転可能に軸支された複数のロールによって前記壁装材を糊付機本体後面部から前面部へ所定の経路に沿って搬送させながら、前記下部構体に軸支されている糊付けロールによって壁装材裏面に連続的に糊を塗布する壁紙糊付機において、
前記下部構体の側壁板に軸支されるロールの軸受けは、ロールの回転軸が貫挿される貫通軸孔と、該貫通軸孔の内周面に少なくとも一つ形成された環状溝と、該環状溝内に所定の圧縮状態で装着される弾性部材からなるO−リングとを備えたものであり、該O−リングは、前記圧縮により発生する応力により前記ロールの回転軸に所定の押し付け力を持って接することを特徴とする壁紙糊付機。
A sheet-like wall covering material is sandwiched between the upper structure and the lower structure of the gluing machine main body, and the wall covering is provided by a plurality of rolls that are rotatably supported on the left and right side wall plates of the upper and lower structures via bearings. A wallpaper pasting machine that continuously applies glue to the back of a wall covering material by a pasting roll that is pivotally supported by the lower structure while conveying the material along a predetermined path from the rear surface portion to the front surface portion of the pasting machine main body. In
A roll bearing supported by the side wall plate of the lower structure includes a through-shaft hole through which a rotating shaft of the roll is inserted, an annular groove formed on an inner peripheral surface of the through-shaft hole, and the annular An O-ring made of an elastic member mounted in a predetermined compressed state in the groove, and the O-ring applies a predetermined pressing force to the rotating shaft of the roll by the stress generated by the compression. A wallpaper pasting machine characterized by holding and touching.
前記下部構体の左右両側壁板に軸支されるロールには、前記糊付けロールに付着する糊を調整するために糊付けロールに近接配置されるドクターロールが含まれることを特徴とする請求項1に記載の壁紙糊付機。   The roll that is pivotally supported by the left and right side wall plates of the lower structure includes a doctor roll that is disposed close to the gluing roll to adjust the glue that adheres to the gluing roll. The wallpaper pasting machine described. 前記ドクターロールの軸受けは、ドクターロールと糊付けロールとの相対間隔を変更可能に調整するための調整ギアが一体に設けられていると共に、該調整ギアを正逆回転可能とするように前記下部構体の側壁板に回動可能に嵌合されており、該軸受けの回動中心から偏心した位置でドクターロールの回転軸が軸支されていることを特徴とする請求項2に記載の壁紙糊付機。
The bearing of the doctor roll is integrally provided with an adjustment gear for adjusting the relative distance between the doctor roll and the gluing roll so as to be changeable, and the lower structure is configured so that the adjustment gear can be rotated forward and backward. The wallpaper paste according to claim 2, wherein the rotation axis of the doctor roll is pivotally supported at a position eccentric from the rotation center of the bearing. Machine.
JP2003274674A 2003-07-15 2003-07-15 Wallpaper gluing machine Expired - Fee Related JP4365156B2 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008246701A (en) * 2007-03-29 2008-10-16 Toppan Printing Co Ltd Cover for preventing adhesion of ink
JP2008264712A (en) * 2007-04-23 2008-11-06 Toshiro Fujiwara Coater
JP2009166015A (en) * 2008-01-21 2009-07-30 Kyokuto Sanki Co Ltd Wallpaper pasting machine
CN115463785A (en) * 2022-08-30 2022-12-13 刘洪波 Coating mechanism suitable for conveying hot melt adhesive

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CN104763130B (en) * 2015-03-27 2018-06-08 贵州建工集团第三建筑工程有限责任公司 Use the attaching device and its application method of the building decoration panel that guide sleeve is oriented to
CN104763129B (en) * 2015-03-27 2018-07-27 浙江大丰建筑装饰工程有限公司 Use the attaching device and its application method of the building decoration panel of driving idler wheel

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008246701A (en) * 2007-03-29 2008-10-16 Toppan Printing Co Ltd Cover for preventing adhesion of ink
JP2008264712A (en) * 2007-04-23 2008-11-06 Toshiro Fujiwara Coater
JP2009166015A (en) * 2008-01-21 2009-07-30 Kyokuto Sanki Co Ltd Wallpaper pasting machine
CN115463785A (en) * 2022-08-30 2022-12-13 刘洪波 Coating mechanism suitable for conveying hot melt adhesive
CN115463785B (en) * 2022-08-30 2023-12-19 重庆新璜家科技有限公司 Coating mechanism suitable for conveying hot melt adhesive

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