JP5804868B2 - Printing device for paper containers - Google Patents
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- JP5804868B2 JP5804868B2 JP2011203994A JP2011203994A JP5804868B2 JP 5804868 B2 JP5804868 B2 JP 5804868B2 JP 2011203994 A JP2011203994 A JP 2011203994A JP 2011203994 A JP2011203994 A JP 2011203994A JP 5804868 B2 JP5804868 B2 JP 5804868B2
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- 239000000463 material Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 description 9
- 239000005022 packaging material Substances 0.000 description 9
- 235000021056 liquid food Nutrition 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 239000008267 milk Substances 0.000 description 2
- 210000004080 milk Anatomy 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 241000755266 Kathetostoma giganteum Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 235000020124 milk-based beverage Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 235000014214 soft drink Nutrition 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Auxiliary Devices For And Details Of Packaging Control (AREA)
Description
本発明は、液体食品用紙容器及び紙容器用包装材料に印字する印字装置に関する。 The present invention relates to a printing apparatus for printing on liquid food paper containers and packaging materials for paper containers.
牛乳、清涼飲料等の液体食品を充填する紙容器には、賞味期限、製造年月日、ロット番号、製造工場番号等の製品情報が印刷される。印刷した製造情報によって製造工場から消費者に至るまでの出荷や品質等の管理が容易にできる。
上記の製造情報は、図１に例示する紙容器１の頂面若しくは側面に、又は紙容器が成形される途中若しくはその成形前の紙容器用包装材料の表面に、印刷される。
Product information such as expiration date, date of manufacture, lot number, and manufacturing factory number is printed on a paper container filled with liquid food such as milk and soft drinks. The printed manufacturing information makes it easy to manage shipping and quality from the manufacturing plant to the consumer.
The manufacturing information is printed on the top surface or the side surface of the paper container 1 illustrated in FIG. 1 or on the surface of the packaging material for paper container before or during the molding of the paper container.
例えば、特許文献１に掲載された印字装置では、印字ロールは筒状の本体部に両面テープを介して版胴部を張付けて形成される。この版胴部にゴム製の印字板が印字ホルダーで固着される。ここで、印字ホルダーはボルト等を介して印刷ユニットに固着される。 For example, in the printing apparatus disclosed in Patent Document 1, the printing roll is formed by sticking a plate cylinder to a cylindrical main body via a double-sided tape. A rubber printing plate is fixed to the plate cylinder with a print holder. Here, the print holder is fixed to the printing unit via a bolt or the like.
印字内容を換える場合、使用済みの印字板を印字ホルダーから取外して新しい印字版に交換する際、印字ホルダーの脱着作業に時間が掛る。また、印字版の取付け方向を間違って装着する恐れがある。本発明は、迅速に交換でき、印字版の取付方向を間違えることなく確実且つ容易に取付できる紙容器用印字装置を提供することを目的とする。 When changing the contents of printing, when the used printing plate is removed from the printing holder and replaced with a new printing plate, it takes time to detach the printing holder. Also, there is a risk of mounting the printing plate in the wrong direction. SUMMARY OF THE INVENTION An object of the present invention is to provide a printing apparatus for paper containers that can be quickly replaced and can be reliably and easily mounted without mistakes in the mounting direction of the printing plate.
この発明の紙容器用印字装置は、紙基材から成形される紙容器用の印字装置であって、印字装置の印字ロールは、円筒状の本体部と、本体部外周を覆う半円弧状の一対の版胴部とを備え、
各版胴部が四隅に第二マグネットを備え、本体部が第二マグネットに対応する位置に第一マグネットを備え、版胴部と本体部とが第一マグネット及び第二マグネットを介して着脱自在に装着され、
第一マグネットは本体部に形成された凹部に埋設されて第一マグネットの外端面が凹部の底面と同一面となり、第二マグネットは版胴部に形成された凹部に埋設されて第二マグネットの内端面が版胴部内側から突出し、本体部の凹部に嵌合することを特徴としている。
The printing device for paper containers of this invention is a printing device for paper containers formed from a paper base material, and the printing roll of the printing device has a cylindrical main body and a semicircular arc shape covering the outer periphery of the main body. A pair of plate cylinders,
Each plate cylinder is provided with a second magnet at the four corners, the main body is provided with a first magnet at a position corresponding to the second magnet, and the plate cylinder and the main body are detachable via the first magnet and the second magnet. Attached to the
The first magnet is embedded in a recess formed in the main body, and the outer end surface of the first magnet is flush with the bottom surface of the recess, and the second magnet is embedded in a recess formed in the plate cylinder. The inner end surface protrudes from the inside of the plate cylinder and is fitted into the recess of the main body.
この発明の好ましい態様において、本体部の凹部の合計８面の底面が本体部の円筒形状の接線方向と平行な面であり、第一マグネットと第二マグネットの中心線が本体部及び版胴部の中心軸に交わるように配置される。 In a preferred aspect of the present invention, the bottom surface of the total of eight concave portions of the main body is a surface parallel to the cylindrical tangential direction of the main body, and the center lines of the first magnet and the second magnet are the main body and the plate cylinder. It is arranged so as to intersect with the central axis.
この発明の好ましい態様において、互いに対向する版胴部の第二マグネットの極と本体部の第一マグネットの極とが、互いに引き合う異なる磁極を備え、版胴部の四隅の第二マグネットは対角線上で異なる磁極を持つ。 In a preferred aspect of the present invention, the poles of the second magnet of the plate cylinder and the poles of the first magnet of the main body that are opposed to each other have different magnetic poles attracting each other, and the second magnets at the four corners of the plate cylinder are on a diagonal line. With different magnetic poles.
この発明の好ましい態様において、版胴部は回転方向の端部の裏面角部に切欠を備える。 In a preferred aspect of the present invention, the plate cylinder portion is provided with a notch at the corner of the back surface at the end in the rotational direction.
この発明による紙容器用印字装置は、紙基材から成形される紙容器用の印字装置であって、印字装置の印字ロールは、円筒状の本体部と、本体部外周を覆う半円弧状の一対の版胴部とを備える。
版の交換に際して、半円弧状の一対の版胴部をそれぞれ、本体部の外周へ、又は外周から、装着し、若しくは離脱させることによって、容易に着脱することができる。
また、各版胴部が四隅に第二マグネットを備え、本体部が第二マグネットに対応する位置に第一マグネットを備え、版胴部と本体部とが第一マグネット及び第二マグネットを介して着脱自在に装着される。
各版胴部が四隅にマグネットを備えるので、確実に装着することができる。版胴部と本体部とがマグネットの磁力を利用して確実に固着されるので、ねじ、ボルト、ナット等の微小パーツを必要としないので、版の交換が容易であり、部品数を減らすことができ、信頼性を高め、コストを低減することができる。
第一マグネットは本体部に形成された凹部に埋設されて第一マグネットの外端面が凹部の底面と同一面となり、第二マグネットは版胴部に形成された凹部に埋設されて第二マグネットの内端面が版胴部内側から突出し、本体部の凹部に嵌合する。
第二マグネットの内端面が版胴部内側から突出するので、第二マグネットは本体部の凹部でガイドされて容易に第一マグネットに位置合わせできる。本体部の凹部に埋設された第一マグネットの外端面が凹部の底面と同一面となるので、第一マグネットとの位置合わを容易にする。
A printing apparatus for a paper container according to the present invention is a printing apparatus for a paper container formed from a paper base material, and a printing roll of the printing apparatus has a cylindrical main body portion and a semicircular arc shape covering an outer periphery of the main body portion. A pair of plate cylinders.
When exchanging the plates, the pair of semicircular arc plate cylinders can be easily attached and detached by attaching or detaching them to or from the outer periphery of the main body.
Each plate cylinder is provided with a second magnet at the four corners, the main body is provided with a first magnet at a position corresponding to the second magnet, and the plate cylinder and the main body are connected via the first magnet and the second magnet. It is attached detachably.
Since each plate cylinder is provided with magnets at the four corners, it can be securely mounted. The plate body and the main body are securely fixed using the magnetic force of the magnet, so there is no need for micro parts such as screws, bolts, and nuts, so it is easy to replace the plate and reduce the number of parts. Can improve reliability and reduce costs.
The first magnet is embedded in a recess formed in the main body, and the outer end surface of the first magnet is flush with the bottom surface of the recess, and the second magnet is embedded in a recess formed in the plate cylinder. The inner end surface protrudes from the inside of the plate cylinder and fits into the recess of the main body.
Since the inner end surface of the second magnet protrudes from the inside of the plate cylinder portion, the second magnet can be easily aligned with the first magnet by being guided by the concave portion of the main body portion. Since the outer end surface of the first magnet embedded in the concave portion of the main body is flush with the bottom surface of the concave portion, alignment with the first magnet is facilitated.
この発明の好ましい態様において、本体部の凹部の合計８面の底面が本体部の円筒形状の接線方向と平行な作業面であり、第一マグネットと第二マグネットの中心線が本体部及び版胴部の中心軸に交わるように配置される。
第一マグネットと第二マグネットの中心線が同じであるので、両マグネットの垂直方向の強い磁力によって版胴部を確実且つ強固に本体部に固着できる。
一方、版胴部を持上げて、交換する際に、本体部の凹部の底面、作業面上を版胴部の第二マグネットをスライドさせるだけであるので、円筒状の本体部に対して版胴部は磁力線を横切るだけであるので、マグネットの垂直方向の磁力より弱い力で本体部から容易に取外すことができる。このため、版胴部の本体部への脱着の操作性が向上する。
In a preferred embodiment of the present invention, the bottom surface of the total eight concave portions of the main body is a work surface parallel to the cylindrical tangential direction of the main body, and the center lines of the first magnet and the second magnet are the main body and the plate cylinder. It is arranged so as to cross the central axis of the part.
Since the center lines of the first magnet and the second magnet are the same, the plate cylinder can be securely and firmly fixed to the main body by the strong magnetic force in the vertical direction of both magnets.
On the other hand, when the plate cylinder is lifted and replaced, only the second magnet of the plate cylinder is slid on the bottom surface and the working surface of the recess of the main body. Since the part only crosses the magnetic field lines, it can be easily removed from the main body part with a weaker force than the magnetic force in the vertical direction of the magnet. For this reason, the operability of attaching and detaching the plate cylinder to the main body is improved.
この発明の好ましい態様において、円周方向に対向する一対の本体部の凹部の底部は対称形で平面視矩形形状であり、円周に沿って遠ざかる方向に凹部の深さが徐々に浅くなる楔形状である。
版胴部は凹部の楔形状に沿ってスライドして本体部に容易に着脱できる。
In a preferred aspect of the present invention, the bottoms of the recesses of the pair of body portions opposed to each other in the circumferential direction are symmetrical and have a rectangular shape in plan view, and the depth of the recess gradually decreases in a direction away from the circumference. Shape.
The plate cylinder can be easily attached to and detached from the main body by sliding along the wedge shape of the recess.
この発明の好ましい態様において、互いに対向する版胴部の第二マグネットの極と本体部の第一マグネットの極とが、互いに引き合う異なる磁極を備え、版胴部の四隅の第二マグネットは対角線上で異なる磁極を持つ。
間違って取り付けると、同極同士となり、マグネットが反発して取付けることができないので、版胴部を本体部に取付ける際に円周方向の取付け方向に間違いが生じない。版胴部の取付け方向が確実にできて取付作業性が向上する。
In a preferred aspect of the present invention, the poles of the second magnet of the plate cylinder and the poles of the first magnet of the main body that are opposed to each other have different magnetic poles attracting each other, and the second magnets at the four corners of the plate cylinder are diagonally With different magnetic poles.
If they are installed incorrectly, they have the same polarity, and the magnet cannot be repelled and attached, so that there is no error in the circumferential direction when attaching the plate cylinder to the main body. The mounting direction of the plate cylinder can be surely improved and the mounting workability is improved.
この発明の好ましい態様において、版胴部は回転方向の端部の裏面角部に切欠を備える。
この切欠きにドライバー等を挿入することで版胴部を本体部から容易に取り外すことができる。
In a preferred aspect of the present invention, the plate cylinder portion is provided with a notch at the corner of the back surface at the end in the rotational direction.
The plate cylinder can be easily removed from the main body by inserting a screwdriver or the like into the notch.
以下、本発明の実施の形態について図面を参照しながら詳細に説明する。
＜紙容器の印字装置の構成＞
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
<Configuration of paper container printer>
図１に示すように、実施態様に応用される紙容器２例、図１（Ａ）、（Ｂ）を例示する。
この例では、紙容器１には、頂面２又は側面３に、賞味期限、製造年月日、ロット番号、製造工場番号等の製品情報が印刷される。
この印刷は、紙容器１の成形、包装充填後に頂面２又は側面３に、若しくは、紙容器１の成形、包装充填前の包装材料５の頂面２又は側面３に対応する箇所に、印刷される。
As shown in FIG. 1, two examples of paper containers applied to the embodiment, FIGS. 1A and 1B, are illustrated.
In this example, product information such as the expiration date, the date of manufacture, the lot number, and the manufacturing factory number is printed on the top surface 2 or the side surface 3 of the paper container 1.
This printing is performed on the top surface 2 or the side surface 3 after forming and packaging and filling the paper container 1 or on the portion corresponding to the top surface 2 or the side surface 3 of the packaging material 5 before molding and filling the paper container 1. Is done.
紙容器１の成形、包装充填は、例えば、紙容器充填装置において、紙基材の両面側に熱可塑性材料層と内面側にバリヤー層とを備える帯状の包装材料がリール状に巻いた状態で繰出機から連続的に繰出される。 For example, in the paper container filling apparatus, the paper container 1 is molded and packaged in a state in which a belt-shaped packaging material having a thermoplastic material layer on both sides of the paper substrate and a barrier layer on the inner surface is wound in a reel shape. It is continuously fed out from the feeding machine.
包装材料５は複数のガイドロールに案内され、上方から下方に下降しながら両端部を寄せ重ねて熱圧着により縦シールして筒状部が形成される。この筒状部に充填パイプを介して内容液が連続的に充填される。 The packaging material 5 is guided by a plurality of guide rolls, and both ends are brought close together while descending from above to be vertically sealed by thermocompression to form a cylindrical portion. The cylindrical portion is continuously filled with the content liquid through the filling pipe.
筒状部は紙容器一個分に相当する位置において遂次横シールで密封し且つ切断して枕状の原型容器が連続的に形成される。そして、原型容器の一対のフラップ部と一対のフラップ部をそれぞれ折込んで熱圧着して、図１（Ａ）、（Ｂ）に示す紙容器１が成形される。 The cylindrical portion is sequentially sealed with a horizontal seal at a position corresponding to one paper container and cut to form a pillow-shaped prototype container continuously. Then, the pair of flap portions and the pair of flap portions of the original container are respectively folded and thermocompression bonded, whereby the paper container 1 shown in FIGS. 1A and 1B is formed.
紙容器１の成形、包装充填前の包装材料５の頂面２又は側面３に対応する箇所に、印刷される場合、包装材料５の表面に対応して設けられた印字装置１８によって製造年月日、製造コード、製造工場の番号等の製品情報が紙容器毎の繰り返しで印刷される。 When printing is performed at a location corresponding to the top surface 2 or the side surface 3 of the packaging material 5 before forming and packaging of the paper container 1, it is manufactured by the printing device 18 provided corresponding to the surface of the packaging material 5. Product information such as date, manufacturing code, and manufacturing factory number is printed repeatedly for each paper container.
図２に示すように、印字装置１８において、インキパン１９に供給されたインク２０を三組の転写ロール２１を介して印字ロール２４に転移する。印字ロール２４は円筒状の本体部２２の周りに一対の版胴部２３が装着され、版胴部２３の表面には図示しない製品情報の印字版を備える。包装材料５の裏側には包装材料５を版胴部２３に押付けるための圧胴ロール２６を備える。転写ロール２１、印字ロール２４、圧胴ロール２６は、図示しない回転伝動機構を介してそれぞれ駆動される。 As shown in FIG. 2, in the printing device 18, the ink 20 supplied to the ink pan 19 is transferred to the printing roll 24 through three sets of transfer rolls 21. The printing roll 24 is provided with a pair of plate cylinders 23 around a cylindrical main body 22, and a printing plate of product information (not shown) is provided on the surface of the plate cylinder 23. A pressure drum roll 26 for pressing the packaging material 5 against the plate cylinder 23 is provided on the back side of the packaging material 5. The transfer roll 21, the printing roll 24, and the impression cylinder roll 26 are each driven via a rotation transmission mechanism (not shown).
図３、図４、図５に示すように、印字ロール２４は、筒状の本体部２２に一対の半割れ筒状（半円弧状）の版胴部２３がその四隅に固着手段としてのマグネットＭ１、Ｍ２を介して装着される。より詳しくは、円筒状の本体部２２に４組の第一マグネットＭ１、版胴部２３には第一マグネットＭ１に対応する位置に４組の第二マグネットＭ２がそれぞれ本体部２２及び版胴部２３の中心軸Ｐ１に向かって垂直に配置される。 As shown in FIGS. 3, 4, and 5, the printing roll 24 includes a cylindrical main body portion 22 and a pair of half-cracked cylindrical (semi-arc-shaped) plate cylinder portions 23 that are magnets as fixing means at the four corners. Mounted via M1 and M2. More specifically, four sets of first magnets M1 are provided on the cylindrical main body 22, and four sets of second magnets M2 are provided on the plate cylinder 23 at positions corresponding to the first magnets M1, respectively. 23 are arranged vertically toward the central axis P1.
第二マグネットＭ２は鍔２５ａ付のスリーブ２５に、「締まり嵌め」の篏合状態で装着され、版胴部２３を貫通して裏側２３ｂから突出部２５ｂが突出する状態で装着され、版胴部２３の表側２３ａには突出しない。 The second magnet M2 is attached to the sleeve 25 with the flange 25a in a state of “tight fit”, and is attached so that the protruding portion 25b protrudes from the back side 23b through the plate cylinder portion 23. The front side 23a of 23 does not protrude.
本体部２２の表面２２ａに版胴部２３の第二マグネットＭ２の突出部２５ｂを収納するための凹部２２ｂが中心線Ｐ２に直角に形成される。円周方向の対向する一対の凹部２２ｂの底部２２ｃは対称形で平面視矩形形状であり、円周に沿って遠ざかる方向に凹部２２ｂの深さが徐々に浅くなるので凹部２２ｂは楔形状である。 A recess 22b for accommodating the protrusion 25b of the second magnet M2 of the plate cylinder 23 is formed on the surface 22a of the main body 22 at a right angle to the center line P2. The bottom portions 22c of the pair of concavities 22b facing each other in the circumferential direction are symmetrical and have a rectangular shape in plan view, and the depth of the concavity 22b gradually decreases in a direction away from the circumference, so the concavity 22b has a wedge shape. .
この凹部２２ｂの底面２２ｃに第一マグネットＭ１が埋設され、第一マグネットＭ１の表面は底面（作業面）２２ｃと同一面の状態である。一対の第一マグネットＭ１は円周方向の一方がＳ極で他方はＮ極が露出する。 The first magnet M1 is embedded in the bottom surface 22c of the recess 22b, and the surface of the first magnet M1 is in the same plane as the bottom surface (working surface) 22c. In the pair of first magnets M1, one in the circumferential direction is an S pole and the other is an N pole.
ここで、一対の第二マグネットＭ２が一対の第一マグネットＭ１に引付けられて固着するときに、第二マグネットＭ２のスリーブ２５が延長線Ｑで示すように移動して版胴部２２の凹部２２ｂ内における円周方向の壁面２２ｄに当接する状態である。さらに、版胴部２３の円周方向の両端部に版胴部２３の裏面を切欠いて形成した溝部２８を備える。 Here, when the pair of second magnets M2 are attracted and fixed to the pair of first magnets M1, the sleeve 25 of the second magnet M2 moves as indicated by the extension line Q, and the concave portion of the plate body 22 is moved. It is in a state of contacting the circumferential wall surface 22d in 22b. Furthermore, the groove part 28 formed by notching the back surface of the plate cylinder part 23 at both ends in the circumferential direction of the plate cylinder part 23 is provided.
＜印字装置の作用＞
本体部２２の楔状の凹部２２ｂの底面２２ｃに第一マグネットＭ１が埋設されるので、第二マグネットＭ２を底面２２ｃに沿って移動することで確実容易に第一マグネットＭ１に位置合わせができる。より詳しくは、本体部２２と版胴部２３を互いの円弧部によって位置合わせする場合には円弧領域の加工寸法精度誤差により一部が浮いた状態の表面の影響で位置合わせが困難な場合があるが、本発明の平面状の底面２２ｃに沿って位置合わせする場合はその影響を回避できるので印刷性が向上する。
<Operation of printing device>
Since the first magnet M1 is embedded in the bottom surface 22c of the wedge-shaped recess 22b of the main body 22, the second magnet M2 can be reliably and easily aligned with the first magnet M1 by moving along the bottom surface 22c. More specifically, when the main body 22 and the plate cylinder 23 are aligned with each other by the arc portions, the alignment may be difficult due to the influence of the surface in a state where a part of the arc portion is floated due to a machining dimensional accuracy error. However, when alignment is performed along the planar bottom surface 22c of the present invention, the influence can be avoided, so that the printability is improved.
さらに、第二マグネットＭ２が第一マグネットＭ１に固着した状態で、第二マグネットＭ２はスリーブ２５を介して版胴部２２の凹部２２ｂ内の円周方向の壁面２２ｄに当接するので自動的に位置合わせできる。 Further, in a state where the second magnet M2 is fixed to the first magnet M1, the second magnet M2 contacts the circumferential wall surface 22d in the concave portion 22b of the plate cylinder portion 22 via the sleeve 25, so that the position is automatically set. Can be combined.
第一マグネットＭ１と第二マグネットＭ２は本体部２２及び版胴部２３の同一の中心Ｐ１に向かって同軸Ｐ２で配置されるので、強い磁力によって版胴部２３を本体部２２に確実で強固に固着できる。 Since the first magnet M1 and the second magnet M2 are arranged coaxially P2 toward the same center P1 of the main body 22 and the plate cylinder 23, the plate cylinder 23 is securely and firmly attached to the main body 22 by a strong magnetic force. Can stick.
その一方で、印字板２３を交換時にずらして持上げると第一マグネットＭ１と第二マグネットＭ２の固着面が互いにスライドするため、磁力線を横切る方向に力が掛かるので磁力に打ち勝って容易に離脱することができる。すなわち、マグネットの磁力は磁力線を横切る方向に印字板２３を持上げると垂直磁力より低い力で印字板２３を取外すことができる。 On the other hand, when the printing plate 23 is lifted at the time of replacement, the fixing surfaces of the first magnet M1 and the second magnet M2 slide with each other, so that a force is applied in the direction crossing the magnetic field lines, so that the magnetic force is overcome and easily separated. be able to. That is, when the magnet 23 lifts the printing plate 23 in a direction crossing the magnetic field lines, the printing plate 23 can be removed with a force lower than the vertical magnetic force.
印字ロール２３の四隙の第二マグネットＭ２は印字ロール２３を貫通し裏面２３ｂ側に突出して組付けられるので、この突出部２５ｂが楔状に形成された凹部２２ｂに挿入し案内されて第一マグネットＭ１の位置まで確実且つ容易に移動できる。 Since the four-hole second magnet M2 of the printing roll 23 passes through the printing roll 23 and protrudes to the back surface 23b side, the protruding portion 25b is inserted into the concave portion 22b formed in a wedge shape and guided to the first magnet. It can move reliably and easily to the position of M1.
一対の第二マグネットＭ２が一対の第一マグネットＭ１に引付けられて固着した状態で、第二マグネットＭ２はスリーブ２４を介して版胴部２２の凹部２２ｂ内における円周方向の壁面２２ｄに当接するので、印字等のデザインの印刷位置決めが簡単で確実にできる。さらに、第二マグネットＭ２の回転方向のトルクを壁面２２ｄで確実に安定して保持できるので印刷位置が狂わず印刷性が向上する。 In a state where the pair of second magnets M2 are attracted and fixed to the pair of first magnets M1, the second magnet M2 contacts the circumferential wall surface 22d in the concave portion 22b of the plate body 22 via the sleeve 24. Since it is in contact, the printing positioning of the design such as printing can be performed easily and reliably. Furthermore, since the torque in the rotation direction of the second magnet M2 can be reliably and stably held by the wall surface 22d, the printing position does not get out of order and the printability is improved.
本体部２２の一対の第一マグネットＭ１は円周方向の一方がＳ極で他方はＮ極が露出し、対応する版胴部２３の一対の第一マグネットＭ２は円周同方向に一方がＮ極で他方はＳ極を備える。このように、それぞれ一対のマグネットＭ１、Ｍ２の円周方向の露出側の極性を異なる極性にすることで版胴部２３のデザインを逆向けに張り間違えるミスが防止できるので作業効率が向上してコストダウンにつながる。 One pair of the first magnets M1 of the main body portion 22 has an S pole in the circumferential direction and the other has an N pole exposed, and the pair of the first magnets M2 of the plate cylinder portion 23 has the same N direction in the circumferential direction. The other pole has an S pole. In this way, by making the polarities on the exposed sides in the circumferential direction of the pair of magnets M1 and M2 different from each other, it is possible to prevent mistakes that make the design of the plate body portion 23 in the reverse direction, thereby improving work efficiency. This leads to cost reduction.
版胴部２３の円周方向の端部に版胴部２３の裏面を切欠いて形成した溝部２８にマイナスドライバー等の治具を簡単に挿入して版胴部２３を浮かして本体部２２から容易に外すことができる。 Easily insert a jig such as a flathead screwdriver into a groove 28 formed by notching the back surface of the plate cylinder 23 at the circumferential end of the plate cylinder 23 to lift the plate cylinder 23 and easily from the main body 22. Can be removed.
版胴部２３の溝部２８は回転方向の両端部に設けてもよい。版胴部２３を本体部２２に一対ではなく三組以上を組付ける場合にも適用できる。屋根型容器等々色んな形状の紙容器の紙基材に対応して実施できる。 The groove portion 28 of the plate cylinder portion 23 may be provided at both ends in the rotation direction. The present invention can also be applied to the case where three or more sets of plate cylinders 23 are assembled to the main body 22 instead of a pair. It can be implemented corresponding to the paper base material of paper containers of various shapes such as roof type containers.
なお、本発明は前記実施の形態に限定されるものではなく、本発明の趣旨に基づいて種々変形させることが可能であり、それらを本発明の範囲から排除するものではない。 In addition, this invention is not limited to the said embodiment, It can change variously based on the meaning of this invention, and does not exclude them from the scope of the present invention.
この発明の 装置によって、牛乳、ジュース、ミネラルウォーターなどの飲料、流動食品などの包装容器を製造することができる。 With the apparatus of the present invention, packaging containers for beverages such as milk, juice and mineral water, and liquid foods can be produced.
１８ 印字装置
２２ 本体部
２２ａ 表面
２２ｂ 凹部
２２ｃ 底部
２３ 版胴部
２３ａ 表側
２３ｂ 裏側
２４ 印字ロール
２５ スリーブ
２５ａ 鍔
２５ｂ 突出部
２６ 圧胴ロール
２８ 溝部
Ｍ１ 第一マグネット
Ｍ２ 第二マグネット
18 Printing Device 22 Main Body 22a Surface 22b Recess 22c Bottom 23 Plate Cylinder 23a Front Side 23b Back Side 24 Printing Roll 25 Sleeve 25a 鍔 25b Projection
26 impression cylinder roll
28 groove part M1 1st magnet M2 2nd magnet
Claims (4)
各該版胴部が四隅に第二マグネットを備え、該本体部が第二マグネットに対応する位置に第一マグネットを備え、該版胴部と該本体部とが該第一マグネット及び該第二マグネットを介して着脱自在に装着され、
該第一マグネットは該本体部に形成された凹部に埋設されて該第一マグネットの外端面が該凹部の底面と同一面となり、該第二マグネットは該版胴部に形成された凹部に埋設されて該第二マグネットの内端面が該版胴部内側から突出し、該本体部の凹部に嵌合することを特徴とする紙容器用印字装置。 A printing device for a paper container formed from a paper base material, wherein a printing roll of the printing device includes a cylindrical main body part and a pair of semicircular arc cylinders covering the outer periphery of the main body part,
Each plate cylinder includes a second magnet at four corners, the main body includes a first magnet at a position corresponding to the second magnet, and the plate cylinder and the main body include the first magnet and the second magnet. It is detachably attached via a magnet,
The first magnet is embedded in a recess formed in the main body, and the outer end surface of the first magnet is flush with the bottom surface of the recess, and the second magnet is embedded in a recess formed in the plate cylinder. And the inner end surface of the second magnet protrudes from the inside of the plate cylinder and is fitted into the recess of the main body.
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| JP2011203994A JP5804868B2 (en) | 2011-09-20 | 2011-09-20 | Printing device for paper containers |
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|---|---|---|---|
| JP2011203994A JP5804868B2 (en) | 2011-09-20 | 2011-09-20 | Printing device for paper containers |
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| JP5804868B2 true JP5804868B2 (en) | 2015-11-04 |
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| US3942754A (en) * | 1974-03-06 | 1976-03-09 | Monarch Marking Systems, Inc. | Mold for making magnetic base |
| GB2165489A (en) * | 1984-09-26 | 1986-04-16 | Auto Masters Ltd | Mounting printing plates |
| DE3614554A1 (en) * | 1986-04-29 | 1987-11-05 | Harald Gehle | Method for mounting formes on impression cylinders, and printing unit |
| JPH0164434U (en) * | 1987-10-20 | 1989-04-25 | ||
| FR2626527B1 (en) * | 1988-01-29 | 1995-05-05 | Sermatec | CHARACTER AND PRINTER CHARACTER |
| DE4434150C2 (en) * | 1994-09-24 | 1998-03-19 | Heidelberger Druckmasch Ag | Device for non-slip holding of a printing film on a lateral surface |
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