JP6644321B1 - Printing jig - Google Patents
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- JP6644321B1 JP6644321B1 JP2019108826A JP2019108826A JP6644321B1 JP 6644321 B1 JP6644321 B1 JP 6644321B1 JP 2019108826 A JP2019108826 A JP 2019108826A JP 2019108826 A JP2019108826 A JP 2019108826A JP 6644321 B1 JP6644321 B1 JP 6644321B1
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- 238000007639 printing Methods 0.000 title claims abstract description 305
- 238000007641 inkjet printing Methods 0.000 claims abstract description 16
- 238000010146 3D printing Methods 0.000 claims abstract description 7
- 238000006073 displacement reaction Methods 0.000 claims description 18
- 230000002265 prevention Effects 0.000 claims description 16
- 239000011159 matrix material Substances 0.000 claims description 6
- 238000010586 diagram Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 15
- 239000000976 ink Substances 0.000 description 14
- 239000000463 material Substances 0.000 description 6
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
- B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
- B41J3/40731—Holders for objects, e. g. holders specially adapted to the shape of the object to be printed or adapted to hold several objects
Landscapes
- Coating Apparatus (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Ink Jet (AREA)
Abstract
【課題】比較的厚みがある被印刷体でも嵌め込んで固定することができ、被印刷体を正確に位置決めすることができる印刷治具を提供する。【解決手段】立体的な被印刷体１２に対してＵＶインクジェット印刷を行う際に、被印刷体１２を並列的に固定し、位置決めするための印刷治具１である。被印刷体１２を嵌め込んで固定するための複数個の開口２が形成された被印刷体固定板４と、被印刷体固定板４の裏面側に突出するように被印刷体固定板４の裏面に取り付けられた、被印刷体固定板４の高さを嵩上げするための脚８と、を備え、被印刷体固定板４の下部に被印刷体を突出させるための逃がし空間１４が形成されている。【選択図】図６An object of the present invention is to provide a printing jig capable of fitting and fixing even a relatively thick printing medium and accurately positioning the printing medium. A printing jig (1) for fixing and positioning a printing medium (12) in parallel when performing UV inkjet printing on a three-dimensional printing medium (12). A printing plate fixing plate 4 in which a plurality of openings 2 for fitting and fixing the printing plate 12 are formed. A leg 8 attached to the back surface for increasing the height of the printing medium fixing plate 4; ing. [Selection diagram] FIG.
Description
本発明は、立体的な被印刷体に対してＵＶインクジェット印刷を行う際に、前記被印刷体を並列的に固定し、位置決めするための印刷治具に関する。 The present invention relates to a printing jig for fixing and positioning the printing objects in parallel when performing UV inkjet printing on a three-dimensional printing object.
従来、立体的な被印刷体に対してＵＶインクジェット印刷を行う印刷方法が知られている。インクジェット印刷では、印刷ヘッドを主走査方向及び副走査方向に移動させながら印刷を行う。このため、前記印刷方法では立体的な被印刷体を並列的に固定し、位置決めするための印刷治具が用いられている。 Conventionally, a printing method for performing UV inkjet printing on a three-dimensional printing medium has been known. In the inkjet printing, printing is performed while moving a print head in a main scanning direction and a sub scanning direction. For this reason, in the printing method, a printing jig for fixing and positioning a three-dimensional printing object in parallel is used.
例えば、ヘッドフォンのヘッドバンドに対して絵柄をＵＶインクジェット印刷する際に用いられる治具が提案されている（特許文献１）。この治具には、ヘッドフォンのヘッドバンドの両端部を差し込むスリットが形成されており、スリットにヘッドバンドの両端部を差し込むことで、湾曲したヘッドバンドに対して負荷をかけ、ヘッドバンドを伸長させた状態で固定することができるように構成されている。 For example, a jig used for performing a UV inkjet printing of a pattern on a headband of a headphone has been proposed (Patent Document 1). This jig has slits to insert both ends of the headband of the headphone.By inserting both ends of the headband into the slits, a load is applied to the curved headband and the headband is extended. It is configured to be able to be fixed in a state where it is held.
また、本発明者等も、被印刷体の少なくとも一部を嵌入する載置凹部が形成された治具を用いてＵＶインクジェット印刷を行う印刷方法を提案している（特許文献２）。この治具は、被印刷体の少なくとも一部を治具の載置凹部に嵌入させることで、被印刷体の正確な位置決めを行うことができるように構成されている。 The present inventors have also proposed a printing method for performing UV inkjet printing using a jig provided with a mounting recess for fitting at least a part of a printing medium (Patent Document 2). The jig is configured such that at least a part of the printing medium is fitted into the mounting recess of the jig, so that accurate positioning of the printing medium can be performed.
しかし、特許文献１に記載されている治具は、ヘッドフォンのヘッドバンド等の樹脂製の湾曲部を有する被印刷体に印刷を行うことを目的としている。従って、他の形状を有する被印刷体の印刷に適用することができるものではないという問題があった。 However, the jig described in Patent Literature 1 is intended to print on a printing medium having a resin curved portion such as a headband of a headphone. Therefore, there is a problem that the method cannot be applied to printing of a printing medium having another shape.
また、特許文献２に記載されている治具は、例えば樹脂板の表面に載置凹部を形成する等の方法で作製される。このため、形成可能な載置凹部の深さは樹脂板の厚さに依存し、深さのある載置凹部を形成することは困難であった。即ち、特許文献２に記載の治具は比較的厚みが薄い板状の被印刷体を嵌め込んで固定するには向いているが、比較的厚みが大きい被印刷体を嵌め込んで固定するには不向きであるという問題があった。 The jig described in Patent Document 2 is manufactured by, for example, forming a mounting recess on the surface of a resin plate. For this reason, the depth of the mounting recess that can be formed depends on the thickness of the resin plate, and it has been difficult to form a deep mounting recess. That is, the jig described in Patent Document 2 is suitable for fitting and fixing a relatively thin plate-shaped printing medium, but is not suitable for fitting and fixing a relatively thick printing medium. Had the problem of being unsuitable.
本発明は、前記のような従来技術が有する課題を解決するものである。即ち、本発明は、比較的厚みがある被印刷体でも嵌め込んで固定することができ、被印刷体を正確に位置決めすることができる印刷治具を提供するものである。 The present invention solves the above-mentioned problems of the prior art. That is, the present invention provides a printing jig that can be fitted and fixed even with a relatively thick printing medium and that can accurately position the printing medium.
本発明者らは、前記従来技術の課題を解決すべく鋭意検討を重ねた。そして、被印刷体を嵌め込んで固定するための複数個の開口が形成された被印刷体固定板に脚を取り付け、前記被印刷体固定板の下側に被印刷体の厚みを逃がすことにより、前記課題を解決し得ることを見出し、本発明を完成するに至った。即ち、前記課題は以下に示す本発明によって解決される。 The present inventors have conducted intensive studies in order to solve the problems of the conventional technology. Then, by attaching legs to a printing medium fixing plate having a plurality of openings for fitting and fixing the printing medium, and allowing the thickness of the printing medium to escape below the printing medium fixing plate. The inventors have found that the above problems can be solved, and have completed the present invention. That is, the above problem is solved by the present invention described below.
本発明の印刷治具は、立体的な被印刷体に対してＵＶインクジェット印刷を行う際に、前記被印刷体を並列的に固定し、位置決めするための印刷治具であって、前記被印刷体を嵌め込んで固定するための複数個の開口が形成された被印刷体固定板と、前記被印刷体固定板の裏面側に突出するように前記被印刷体固定板の裏面に取り付けられた、前記被印刷体固定板の高さを嵩上げするための脚と、を備え、前記被印刷体固定板の下部に前記被印刷体を突出させるための逃がし空間が形成されていることを特徴とする。 The printing jig of the present invention is a printing jig for fixing and positioning the print objects in parallel when performing UV inkjet printing on a three-dimensional print object, wherein the print jig is A printing plate fixing plate having a plurality of openings formed therein for fitting and fixing the body, and attached to the back surface of the printing plate fixing plate so as to protrude to the back side of the printing plate fixing plate. A leg for raising the height of the printing medium fixing plate, and a relief space for projecting the printing medium is formed below the printing medium fixing plate. I do.
本発明の印刷治具は、
前記脚の高さは、前記被印刷体を印刷時姿勢に配置した際に、前記被印刷体の印刷対象箇所が前記被印刷体固定板の表面から露出する高さに形成されていること；
前記脚の高さは、前記被印刷体を印刷時姿勢に配置した際に、前記被印刷体の印刷対象面が前記被印刷体固定板の表面と一致する高さに形成されていること；
前記被印刷体固定板の各々の開口は、前記被印刷体の印刷時姿勢を上方から平面視した外形に対応する形状に形成されていること；
前記被印刷体固定板が矩形状に形成され、前記脚が前記被印刷体固定板の四辺に沿って配置されていること；
前記被印刷体固定板は複数個の前記開口が行列状に形成され、前記脚が隣接する行または隣接する列の間で、かつ、前記被印刷体固定板の四辺のいずれかと平行するように配置されていること；
が好ましい。
The printing jig of the present invention,
The height of the legs is formed at a height at which a printing target portion of the printing medium is exposed from the surface of the printing medium fixing plate when the printing medium is arranged in a printing posture;
The height of the legs is such that, when the printing medium is placed in the printing position, the printing target surface of the printing medium is formed at a height that matches the surface of the printing medium fixing plate;
Each opening of the printing medium fixing plate is formed in a shape corresponding to the outer shape of the printing medium when viewed from above in a printing posture;
The printing medium fixing plate is formed in a rectangular shape, and the legs are arranged along four sides of the printing medium fixing plate;
In the printing medium fixing plate, a plurality of the openings are formed in a matrix, and the legs are between adjacent rows or adjacent columns, and are parallel to any one of four sides of the printing medium fixing plate. Being located;
Is preferred.
また、本発明の印刷治具は、
外形が円錐状又は円錐台状の被印刷体の円錐面に対してＵＶインクジェット印刷を行う際に、前記被印刷体を並列的に固定し、位置決めするための印刷治具であって、前記被印刷体固定板と平行するように前記脚の下端側に配置する底板を更に備え、前記底板の表面には、前記底板の表面から突出し、前記被印刷体の小径部側を持ち上げるための被印刷体支持台が設置されており、前記被印刷体支持台は、前記底板の表面のうち前記被印刷体固定板と前記底板を位置合わせした際に前記被印刷体固定板の前記開口を通じて視認可能な領域に配置され、前記被印刷体支持台の高さは、前記被印刷体支持台に前記被印刷体を載置した際に前記被印刷体の円錐母線が前記被印刷体固定板と平行となる高さに形成されていること；
前記底板の表面には、前記底板の表面から突出し、前記被印刷体を印刷時姿勢のままずれないように固定するためのズレ防止ブロックが設置されており、前記ズレ防止ブロックは、前記底板の表面のうち前記被印刷体の印刷時姿勢における前記被印刷体の大径側端部に相当する位置に配置されていること；
前記ズレ防止ブロックが、前記底板の表面のうち前記被印刷体の印刷時姿勢における前記被印刷体の両側部に相当する位置に更に配置されていること；
が好ましい。
Further, the printing jig of the present invention,
A printing jig for fixing and positioning the print objects in parallel when performing UV inkjet printing on a conical surface of the print object having a conical or frusto-conical shape, wherein A bottom plate disposed on the lower end side of the leg so as to be parallel to the printed body fixing plate; A body support is provided, and the print support is visible through the opening of the print fixing plate when the print fixation plate and the bottom plate are aligned with each other on the surface of the bottom plate. And the height of the print support is such that the conical generatrix of the print is parallel to the print fixing plate when the print is placed on the print support. Is formed at a height such that:
On the surface of the bottom plate, a displacement prevention block that protrudes from the surface of the bottom plate and that fixes the printing target so as not to shift in a printing position is installed. Being located at a position corresponding to the large-diameter end of the printing medium in the printing posture of the printing medium on the front surface;
The displacement prevention block is further disposed at a position on the surface of the bottom plate corresponding to both sides of the printing medium in a printing posture of the printing medium;
Is preferred.
本発明の印刷治具は、比較的厚みがある被印刷体でも嵌め込んで固定することができ、被印刷体を正確に位置決めすることができる。 ADVANTAGE OF THE INVENTION The printing jig of this invention can fit and fix even a relatively thick printing medium, and can accurately position a printing medium.
以下、発明を実施するための形態について、図面を参照しながらさらに具体的に説明する。但し、本発明は図面に示された形態のみに限定されるものではない。 Hereinafter, embodiments for carrying out the invention will be described more specifically with reference to the drawings. However, the present invention is not limited to only the form shown in the drawings.
［１］第一の実施形態：
図１乃至図３は本発明の印刷治具の一の実施形態を模式的に示す図であり、図１は平面図、図２は底面図、図３は図１に示す印刷治具のＡ−Ａ’端面図である。
[1] First embodiment:
1 to 3 are diagrams schematically showing one embodiment of the printing jig of the present invention. FIG. 1 is a plan view, FIG. 2 is a bottom view, and FIG. It is an end view -A '.
本発明の印刷治具は、立体的な被印刷体に対してＵＶインクジェット印刷を行う際に、前記被印刷体を並列的に固定し、位置決めするための印刷治具である。 A printing jig according to the present invention is a printing jig for fixing and positioning the printing objects in parallel when performing UV inkjet printing on a three-dimensional printing object.
図１乃至図３に示す印刷治具１は、被印刷体を嵌め込んで固定するための複数個の開口２が形成された被印刷体固定板４と、被印刷体固定板４の裏面側に突出するように被印刷体固定板４の裏面に取り付けられた、被印刷体固定板４の高さを嵩上げするための脚８と、を備えている。そして、被印刷体固定板４の下部に被印刷体を突出させるための逃がし空間１４が形成されている。 A printing jig 1 shown in FIGS. 1 to 3 includes a printing plate fixing plate 4 having a plurality of openings 2 for fitting and fixing a printing plate, and a back surface side of the printing plate fixing plate 4. And a leg 8 for raising the height of the printing medium fixing plate 4 attached to the back surface of the printing medium fixing plate 4 so as to protrude therefrom. A relief space 14 for projecting the printing medium is formed below the printing medium fixing plate 4.
このように、被印刷体固定板４を脚８によって嵩上げすることで、被印刷体固定板４の下部に被印刷体を突出させるための逃がし空間１４を形成することができる。従って、比較的厚みがある被印刷体でも嵌め込んで固定することができ、被印刷体を正確に位置決めすることができる。 In this manner, by raising the printing medium fixing plate 4 by the legs 8, it is possible to form a relief space 14 below the printing medium fixing plate 4 for projecting the printing medium. Therefore, the printing medium having a relatively large thickness can be fitted and fixed, and the printing medium can be accurately positioned.
被印刷体固定板４の各々の開口２は、被印刷体の印刷時姿勢を上方から平面視した外形に対応する形状に形成されている。このような構成により、被印刷体固定板４の開口２に被印刷体を嵌め込んで固定することができる。 Each of the openings 2 of the printing medium fixing plate 4 is formed in a shape corresponding to the outer shape of the printing medium when viewed from above when viewed from above. With such a configuration, the printing medium can be fitted and fixed in the opening 2 of the printing medium fixing plate 4.
「印刷時姿勢」とは、印刷時における被印刷体の姿勢を意味する。印刷時姿勢においては、被印刷体の表面の一部である印刷対象箇所が上方に向けられ、被印刷体固定板４の開口２から印刷対応箇所が露出する状態となる。 The “posture at the time of printing” means the posture of the printing medium at the time of printing. In the printing posture, the printing target portion, which is a part of the surface of the printing medium, is directed upward, and the printing corresponding portion is exposed from the opening 2 of the printing medium fixing plate 4.
開口２と被印刷体の外形との間には、０．０２ｍｍ程度（０．０１ｍｍから０．１ｍｍ）のクリアランスが設けられている。このクリアランスを設けることで、開口２への被印刷体の嵌め込みが容易になるとともに、被印刷体の位置ズレによる印刷ズレの発生を防止することができる。 A clearance of about 0.02 mm (0.01 mm to 0.1 mm) is provided between the opening 2 and the outer shape of the printing medium. By providing this clearance, it is easy to fit the printing medium into the opening 2 and it is possible to prevent the occurrence of printing shift due to the positional shift of the printing medium.
被印刷体固定板４の厚さは１０ｍｍである。被印刷体固定板４の厚さを０．１ｍｍから５０ｍｍとすることで被印刷体を嵌め込んだ際に被印刷体を確実に固定することができ、被印刷体の正確な位置決めが可能となる。 The thickness of the printing medium fixing plate 4 is 10 mm. By setting the thickness of the printing medium fixing plate 4 to 0.1 mm to 50 mm, the printing medium can be securely fixed when the printing medium is fitted, and accurate positioning of the printing medium is possible. Become.
被印刷体固定板４はアクリル樹脂からなるアクリル板である。被印刷体固定板４の材質は特に限定されず、アクリル樹脂以外の樹脂からなるものであってもよい。 The printing medium fixing plate 4 is an acrylic plate made of an acrylic resin. The material of the printing medium fixing plate 4 is not particularly limited, and may be made of a resin other than an acrylic resin.
被印刷体固定板４は矩形状に形成されている。被印刷体固定板４を矩形状とすることで、印刷治具１を所定の印刷位置にセットし、位置合わせを行うことが容易となる。 The printing medium fixing plate 4 is formed in a rectangular shape. By making the printing medium fixing plate 4 rectangular, it is easy to set the printing jig 1 at a predetermined printing position and perform alignment.
被印刷体固定板４は複数個の開口２が３行×４列の行列状に形成されている。ＵＶインクジェット印刷を行うインクジェットプリンタは印刷対象箇所に対して、印刷ヘッドを主走査方向及び副走査方向に移動させながら印刷を行う。従って、多数の被印刷体に対して印刷を行う場合には、開口２を行列状に配置することが好ましい。 The printing plate fixing plate 4 has a plurality of openings 2 formed in a matrix of 3 rows × 4 columns. An inkjet printer that performs UV inkjet printing performs printing on a portion to be printed while moving a print head in a main scanning direction and a sub-scanning direction. Therefore, when printing is performed on a large number of printing materials, it is preferable to arrange the openings 2 in a matrix.
脚８は板状（直方体状）に構成されている。そして、脚８は矩形状に構成された被印刷体固定板４の四辺に沿って（即ち、被印刷体固定板４の外縁に沿って枠状に）配置されている。脚は板状に限られるものではなく、例えば、被印刷体固定板の裏面から棒状の脚を突出させるような構成であってもよい。但し、図示のように脚８を板状とし、被印刷体固定板４の四辺に沿って配置した方が被印刷体固定板４の撓みや捻じれを抑制することができ、被印刷体を正確に位置決めすることができる。 The leg 8 is formed in a plate shape (a rectangular parallelepiped shape). The legs 8 are arranged along four sides of the printing medium fixing plate 4 formed in a rectangular shape (that is, in a frame shape along the outer edge of the printing medium fixing plate 4). The legs are not limited to the plate shape, and may have a configuration in which, for example, a bar-shaped leg protrudes from the back surface of the printing-substrate fixing plate. However, when the legs 8 are formed in a plate shape and arranged along the four sides of the printing medium fixing plate 4 as shown in the figure, the bending and twisting of the printing medium fixing plate 4 can be suppressed, and It can be positioned accurately.
また、被印刷体固定板が複数個の前記開口が行列状に形成されている場合には、脚が隣接する行または隣接する列の間で、かつ、前記被印刷体固定板の四辺のいずれかと平行するように配置されていることが好ましい。印刷治具１においては、脚１０は３行×４列の行列状に配置された複数個の開口２の隣接する行の間で、かつ、矩形状の被印刷体固定板４の二辺と平行するように配置されている。このような構成は、脚８を被印刷体固定板４の外縁に沿って枠状に配置するのみの構成より、更に被印刷体固定板４の撓みや捻じれを抑制することができる。従って、被印刷体を正確に位置決めする効果が高い点において好ましい。 Further, in the case where the plurality of openings are formed in a matrix in the printing medium fixing plate, the legs may be located between adjacent rows or adjacent columns, and any one of the four sides of the printing medium fixing plate. It is preferable that they are arranged so as to be parallel to the object. In the printing jig 1, the legs 10 are located between adjacent rows of the plurality of openings 2 arranged in a matrix of 3 rows × 4 columns, and are connected to two sides of the rectangular plate 4. They are arranged in parallel. Such a configuration can further suppress bending and twisting of the printing medium fixing plate 4 than a configuration in which the legs 8 are only arranged in a frame shape along the outer edge of the printing medium fixing plate 4. Therefore, it is preferable in that the effect of accurately positioning the printing medium is high.
図４乃至図６は図１乃至図３に示す印刷治具１の使用方法を示す模式図である。いずれの図も図３と同様に図１のＡ―Ａ’端面に対応する端面を示す図面である。 FIGS. 4 to 6 are schematic views showing how to use the printing jig 1 shown in FIGS. Each drawing is a drawing showing an end surface corresponding to the A-A 'end surface in FIG. 1 as in FIG.
印刷治具１は以下のようにして使用する。まず、印刷治具１を裏返し、被印刷体固定板４の裏面を露出させる（図４）。次に、被印刷体固定板４の開口２に被印刷体１２を嵌め込む（図５）。この際、被印刷体１２の印刷対象箇所が開口２から露出するように被印刷体１２を嵌め込む。更に、開口２に嵌め込まれた被印刷体１２の小径側を粘着テープで動かないように固定する。被印刷体１２がセットされた印刷治具１を裏返して被印刷体固定板４の表面を露出させる（図６）。この状態で、印刷治具１を印刷装置（ＵＶインクジェットプリンタ）のステージ１６上に載置し、ストッパ１８に突き当てて所定の位置に位置合わせし、被印刷体１２に対して印刷を行う。 The printing jig 1 is used as follows. First, the printing jig 1 is turned over to expose the back surface of the printing medium fixing plate 4 (FIG. 4). Next, the printing medium 12 is fitted into the opening 2 of the printing medium fixing plate 4 (FIG. 5). At this time, the printing medium 12 is fitted so that the printing target portion of the printing medium 12 is exposed from the opening 2. Further, the small diameter side of the printing medium 12 fitted in the opening 2 is fixed with an adhesive tape so as not to move. The printing jig 1 on which the printing medium 12 is set is turned upside down to expose the surface of the printing medium fixing plate 4 (FIG. 6). In this state, the printing jig 1 is placed on a stage 16 of a printing apparatus (UV inkjet printer), and is brought into contact with a stopper 18 to be positioned at a predetermined position.
被印刷体１２としては、外形が円錐台状の構造体を用いている。この構造体は大径側が開口され、小径側が有底の中空体、具体的にはコップである。印刷対象箇所は被印刷体１２の円錐面の一部に施された凹凸模様の面であり、被印刷体１２の印刷時姿勢は円錐台状の構造体を横に倒した姿勢である。 As the printing medium 12, a structure having a truncated cone shape is used. This structure is a hollow body having a large diameter side opened and a small diameter side having a bottom, specifically, a cup. The printing target portion is a surface of a concavo-convex pattern provided on a part of the conical surface of the printing medium 12, and the printing posture of the printing medium 12 is a posture in which the truncated cone-shaped structure is turned sideways.
脚８，１０の高さは、被印刷体１２を印刷時姿勢に配置した際に、被印刷体１２の印刷対象箇所が被印刷体固定板４の表面から露出する高さに形成されている。特に図６に示すように、脚８，１０の高さが、被印刷体１２を印刷時姿勢に配置した際に、被印刷体１２の印刷対象面が被印刷体固定板４の表面と一致する高さに形成されていることが好ましい。脚８，１０の高さは被印刷体１２の外形を考慮し、適宜設定すればよい。 The heights of the legs 8 and 10 are formed so that the print target portion of the print medium 12 is exposed from the surface of the print medium fixing plate 4 when the print medium 12 is arranged in the printing posture. . In particular, as shown in FIG. 6, when the height of the legs 8 and 10 is such that the printing medium 12 is arranged in the printing position, the printing target surface of the printing medium 12 matches the surface of the printing medium fixing plate 4. It is preferable that it is formed at a height. The heights of the legs 8 and 10 may be appropriately set in consideration of the outer shape of the printing medium 12.
［２］第二の実施形態：
図７及び図８は、本発明の印刷治具の構成要素である底板の一の実施形態を模式的に示す図であり、図７は平面図、図８は図７に示す底板のＢ−Ｂ’端面図である。
[2] Second embodiment:
7 and 8 are diagrams schematically showing one embodiment of a bottom plate which is a component of the printing jig of the present invention. FIG. 7 is a plan view, and FIG. It is B 'end view.
本発明の印刷治具は、印刷治具（被印刷体固定板及び脚）に加えて、底板を更に備えた形態であってもよい。この実施形態は、外形が円錐状又は円錐台状の被印刷体の円錐面に対してＵＶインクジェット印刷を行う際に、前記被印刷体を並列的に固定し、位置決めするための印刷治具である。 The printing jig of the present invention may be in a form further including a bottom plate in addition to the printing jig (printed object fixing plate and legs). This embodiment is a printing jig for fixing and positioning the printing medium in parallel when performing UV inkjet printing on the conical surface of the printing medium having a conical or truncated cone shape. is there.
図７及び図８に示す底板２０は、図１乃至図３に示す印刷治具１（被印刷体固定板４及び脚８）と組み合わせて用いられる。底板２０は、図１乃至図３に示す被印刷体固定板４と平行するように脚８，１０の下端側に配置する部材である。 The bottom plate 20 shown in FIGS. 7 and 8 is used in combination with the printing jig 1 (printed object fixing plate 4 and legs 8) shown in FIGS. The bottom plate 20 is a member arranged on the lower end side of the legs 8 and 10 so as to be parallel to the printing medium fixing plate 4 shown in FIGS.
図７及び図８に示す底板２０の表面には、底板２０の表面から突出し、被印刷体の小径部側を持ち上げるための被印刷体支持台２２が設置されている。被印刷体支持台２２は外形が円錐状又は円錐台状の被印刷体の小径側を持ち上げ、被印刷体を傾斜させた状態で保持するための部材である。外形が円錐状又は円錐台状の被印刷体を印刷する際に被印刷体支持台２２を用いると、印刷ヘッドに対して傾斜している円錐面を印刷ヘッドに対して正対させることができる。従って、立体形状から平面化した二次元データへの変換する際に面の傾斜を考慮する必要がなくなり、データの変換が簡素化され、印刷ズレを効果的に抑止することができる。 On the surface of the bottom plate 20 shown in FIGS. 7 and 8, there is provided a printing medium support base 22 which protrudes from the surface of the bottom plate 20 and lifts the small diameter portion side of the printing medium. The printing medium support base 22 is a member for lifting the small diameter side of the printing medium having a conical or truncated cone shape and holding the printing medium in an inclined state. When the printing medium support base 22 is used when printing a printing medium having a conical shape or a truncated conical shape, the conical surface inclined with respect to the printing head can be directly opposed to the printing head. . Therefore, it is not necessary to consider the inclination of the surface when converting from a three-dimensional shape to flattened two-dimensional data, and the data conversion is simplified, and printing deviation can be effectively suppressed.
被印刷体支持台２２は、底板２０の表面のうち被印刷体固定板と底板２０を位置合わせした際に被印刷体固定板の開口を通じて視認可能な領域（視認可能領域２４）に配置されている。その領域に被印刷体支持台２２を配置することで、被印刷体を持ち上げることができる。被印刷体の小径側を持ち上げるという目的から、被印刷体支持台２２は視認可能領域２４の被印刷体の大径側に相当する領域ではなく、被印刷体の小径側に相当する領域に配置されている。 The printing medium support base 22 is arranged in an area (viewable area 24) of the surface of the bottom plate 20 that is visible through the opening of the printing medium fixing plate when the printing medium fixing plate and the bottom plate 20 are aligned. I have. By arranging the printing medium support base 22 in that area, the printing medium can be lifted. For the purpose of lifting the small diameter side of the printing medium, the printing medium support base 22 is arranged not in the area corresponding to the large diameter side of the printing medium in the viewable area 24 but in the area corresponding to the small diameter side of the printing medium. Have been.
被印刷体支持台２２の高さは、被印刷体支持台２２に被印刷体を載置した際に被印刷体の円錐母線（即ち、印刷時姿勢における被印刷体の頂部）が被印刷体固定板と平行となる高さに形成されている。被印刷体の形状が決まれば、被印刷体支持台２２の配置位置と高さを調整することで、被印刷体固定板と被印刷体の円錐母線とを平行する位置に配置することができる。 The height of the print support 22 is determined by the conical generatrix of the print when the print is placed on the print support 22 (that is, the top of the print in the printing position). It is formed at a height parallel to the fixed plate. When the shape of the printing medium is determined, the position and height of the printing medium support base 22 are adjusted, so that the printing medium fixing plate and the conical generatrix of the printing medium can be arranged in parallel. .
被印刷体支持台２２は、直方体状に構成されている。但し、被印刷体を持ち上げて支えることが可能である限り、被印刷体支持台の形状は直方体状に限定されない。 The printing medium support 22 is formed in a rectangular parallelepiped shape. However, as long as the printing medium can be lifted and supported, the shape of the printing medium support is not limited to a rectangular parallelepiped.
底板２０の表面には、被印刷体支持台２２に加えて、底板２０の表面から突出し、被印刷体を印刷時姿勢のままずれないように固定するためのズレ防止ブロック２６が設置されている。ズレ防止ブロック２６は、底板２０の表面のうち被印刷体の印刷時姿勢における被印刷体の大径側端部に相当する位置に配置されている。この実施形態では被印刷体支持台２２により被印刷体を傾斜させた姿勢で保持する必要がある。従って、被印刷体の大径側端部が滑って位置ずれを起こさないようにズレ防止ブロック２６を配置することが好ましい。 On the surface of the bottom plate 20, in addition to the printing medium support base 22, a displacement prevention block 26 that protrudes from the surface of the bottom plate 20 and that fixes the printing medium so as not to be displaced in a printing position is installed. . The displacement prevention block 26 is disposed at a position on the surface of the bottom plate 20 corresponding to the large-diameter end of the printing medium in the printing posture of the printing medium. In this embodiment, the printing medium needs to be held by the printing medium support base 22 in an inclined position. Therefore, it is preferable to dispose the displacement prevention block 26 so that the large-diameter end of the printing medium does not slip and cause displacement.
底板２０においては、ズレ防止ブロック２８が、底板２０の表面のうち被印刷体の印刷時姿勢における被印刷体の両側部に相当する位置に更に配置されている。ズレ防止ブロック２８を配置することで、被印刷体の側方への位置ずれや転がりを防止することができる。 In the bottom plate 20, the displacement prevention block 28 is further disposed at a position corresponding to both sides of the printing medium in the printing posture of the printing medium on the surface of the bottom plate 20. By disposing the displacement prevention block 28, it is possible to prevent the printing medium from being displaced laterally or rolling.
ズレ防止ブロック２６，２８は、直方体状に構成されている。但し、被印刷体の位置ずれを防止しうる限り、ズレ防止ブロックの形状は直方体状に限定されない。また、ズレ防止ブロックの高さも被印刷体の位置ずれ防止という効果を奏する限り、適宜設定することができる。 The displacement prevention blocks 26 and 28 are formed in a rectangular parallelepiped shape. However, the shape of the displacement prevention block is not limited to a rectangular parallelepiped as long as the displacement of the printing medium can be prevented. Also, the height of the displacement prevention block can be set as appropriate as long as the effect of preventing the displacement of the printing medium can be obtained.
このように、印刷治具１を被印刷体固定板４と脚８とから構成すると、脚８の高さを調整することで、被印刷体固定板４の厚さに拘らず被印刷体を収めるスペースを確保することができる。従って、比較的厚みが大きい被印刷体でも嵌め込んで固定することができ、被印刷体を正確に位置決めすることができる。 As described above, when the printing jig 1 is composed of the printing medium fixing plate 4 and the legs 8, the printing medium is fixed by adjusting the height of the legs 8 regardless of the thickness of the printing medium fixing plate 4. The space to fit can be secured. Therefore, even a printing medium having a relatively large thickness can be fitted and fixed, and the printing medium can be accurately positioned.
図９は図１乃至図３に示す印刷治具１の使用状態を示す模式図である。図９は図８と同様に図７のＢ―Ｂ’端面に対応する端面を示す図面である。 FIG. 9 is a schematic diagram showing a use state of the printing jig 1 shown in FIGS. FIG. 9 is a view showing an end face corresponding to the B-B ′ end face in FIG. 7 similarly to FIG. 8.
図９は図７及び図８に示す底板２０と、図１乃至図３に示す印刷治具１（被印刷体固定板４及び脚８）とを組み合わせて用いた状態を示している。 FIG. 9 shows a state in which the bottom plate 20 shown in FIGS. 7 and 8 and the printing jig 1 (printed object fixing plate 4 and legs 8) shown in FIGS. 1 to 3 are used in combination.
図９に示すように、被印刷体固定板４の開口２に、外形が円錐台状の被印刷体１２を嵌め込む。この際、被印刷体１２の印刷対象箇所が開口２から露出するように被印刷体１２を嵌め込む。 As shown in FIG. 9, a printing medium 12 having a truncated cone shape is fitted into the opening 2 of the printing medium fixing plate 4. At this time, the printing medium 12 is fitted so that the printing target portion of the printing medium 12 is exposed from the opening 2.
被印刷体１２は、円錐台の小径部側を被印刷体支持台２２により持ち上げられている。そして、円錐台の大径部側端部はズレ防止ブロック２６により傾斜された印刷時姿勢のままずれないように固定されている。更に、円錐台の両側部は図示されないズレ防止ブロックにより側方に位置ずれしたり、転がったりしないよう固定されている。 The printing medium 12 is lifted by the printing medium support 22 on the small diameter side of the truncated cone. The large-diameter portion-side end portion of the truncated cone is fixed by the displacement prevention block 26 so as not to be displaced in the inclined printing position. Further, both sides of the truncated cone are fixed by a displacement prevention block (not shown) so as not to be displaced laterally or rolled.
この状態で、印刷治具１を印刷装置（ＵＶインクジェットプリンタ）のステージ１６上に載置し、ストッパ１８に突き当てて所定の位置に位置合わせし、被印刷体１２に対して印刷を行う。 In this state, the printing jig 1 is placed on a stage 16 of a printing apparatus (UV inkjet printer), and is brought into contact with a stopper 18 to be positioned at a predetermined position.
［３］ＵＶインクジェット印刷：
ＵＶインクジェット印刷は従来公知の方法により行えばよく、その方法は特に限定されない。例えば、以下のような工程により行うことができる。
[3] UV inkjet printing:
The UV inkjet printing may be performed by a conventionally known method, and the method is not particularly limited. For example, it can be performed by the following steps.
まず、被印刷体の立体形状、その表面に形成された凹凸模様等の立体形状等を印刷層の層厚のムラを考慮して、被印刷体および印刷対象箇所である立体面の立体形状を平面化した二次元データに変換する（解析工程）。このデータ変換は印刷装置（ＵＶインクジェットプリンタ）の制御部により行うことができる。このデータ変換により、被印刷体の印刷対象箇所を単純に平面視した形状ではなく、印刷層の層厚のムラを考慮し、平面視形状を歪ませた形状を示す二次元データを得る。 First, the three-dimensional shape of the printing medium and the three-dimensional surface, which is the printing target location, is determined in consideration of unevenness in the thickness of the printing layer. Convert to flattened two-dimensional data (analysis step). This data conversion can be performed by the control unit of the printing apparatus (UV inkjet printer). By this data conversion, two-dimensional data indicating a shape distorted in plan view is obtained in consideration of unevenness in the thickness of the print layer, instead of the shape of the print target portion of the printing medium in a simple plan view.
次に、前記二次元データに基づいて、被印刷体の印刷対象箇所にＵＶインクジェットプリンタを用いてプライマーを印刷し、プライマー層を形成する（プライマー層形成工程）。プライマー層の形成材料としては、例えばトルエン、キシレン及びエチルベンゼンの混合物を用いることができる。通常、、プライマー層の層厚は５〜１０μｍである。 Next, based on the two-dimensional data, a primer is printed on a print target portion of the printing medium using a UV inkjet printer to form a primer layer (primer layer forming step). As a material for forming the primer layer, for example, a mixture of toluene, xylene and ethylbenzene can be used. Usually, the layer thickness of the primer layer is 5 to 10 μm.
更に、前記二次元データに基づいて、被印刷体の印刷対象箇所に形成されたプライマー層の表面に、ＵＶ硬化型白色インクを印刷し、ＵＶ照射し、白色インク層を硬化させることで硬化白色インク層を形成する（白引き工程）。 Further, based on the two-dimensional data, a UV curable white ink is printed on the surface of the primer layer formed on the printing target portion of the printing medium, and UV irradiation is performed to cure the white ink layer to cure the white ink. An ink layer is formed (whitening step).
ＵＶ硬化型白色インクとしては、ＵＶ硬化性を有する既知の白色インクを好適に用いることができる。ＵＶ照射はＬＥＤ光源等を用い、室温条件下、数ミリ秒〜数秒の間、ＵＶを照射することにより行うことができる。 As the UV-curable white ink, a known white ink having UV curability can be suitably used. UV irradiation can be performed by using a LED light source or the like and irradiating UV for several milliseconds to several seconds under room temperature conditions.
最後に、前記二次元データに基づいて、被印刷体の印刷対象箇所に形成された硬化白色インク層の表面に、ＵＶ硬化型カラーインクを印刷し、カラーインク層を硬化させることで硬化カラーインク層を形成する（カラー印刷工程）。 Finally, based on the two-dimensional data, a UV curable color ink is printed on the surface of the cured white ink layer formed at the print target portion of the printing medium, and the cured color ink is cured by curing the color ink layer. Form a layer (color printing step).
ＵＶ硬化型カラーインクとしては、ＵＶ硬化性を有する既知のカラーインクを好適に用いることができる。カラーインクとして、イエロー、マゼンタ、シアン及びブラックのＵＶ硬化インクを用いることが好ましい。これにより、高精度のフルカラー印刷を行うことが可能となる。ＵＶ照射はＬＥＤ光源等を用い、室温条件下、数ミリ秒〜数秒の間、ＵＶを照射することにより行うことができる。 Known UV-curable color inks can be suitably used as the UV-curable color ink. It is preferable to use yellow, magenta, cyan and black UV curable inks as the color inks. Thus, high-precision full-color printing can be performed. UV irradiation can be performed by using a LED light source or the like and irradiating UV for several milliseconds to several seconds under room temperature conditions.
このような印刷方法においては、被印刷体および印刷対象箇所である立体面の立体形状に加えて、被印刷体の印刷対象箇所の位置が考慮されるため、被印刷体、ひいては印刷対象箇所の正確な位置決めが極めて重要となる。本発明の印刷治具は、被印刷体を正確に位置決めすることができるので、前記印刷方法に好適に用いることができる。 In such a printing method, in addition to the three-dimensional shape of the three-dimensional surface that is the print medium and the print target area, the position of the print target area of the print medium is taken into consideration. Accurate positioning is extremely important. Since the printing jig of the present invention can accurately position a printing medium, it can be suitably used for the printing method.
１ 印刷治具
２ 開口
４ 被印刷体固定板
６ 裏面
８，１０ 脚
１２ 被印刷体
１４ 逃がし空間
１６ ステージ
１８ ストッパ
２０ 底板
２２ 被印刷体支持台
２４ 視認可能領域
２６，２８ ズレ防止ブロック
REFERENCE SIGNS LIST 1 printing jig 2 opening 4 printing material fixing plate 6 back surface 8, 10 leg 12 printing material 14 relief space 16 stage 18 stopper 20 bottom plate 22 printing material support 24 visible area 26, 28 displacement prevention block
Claims (7)
前記被印刷体を嵌め込んで固定するための複数個の開口が形成された被印刷体固定板と、前記被印刷体固定板の裏面側に突出するように前記被印刷体固定板の裏面に取り付けられた、前記被印刷体固定板の高さを嵩上げするための脚と、を備え、
前記被印刷体固定板の下部に前記被印刷体を突出させるための逃がし空間が形成されており、
前記被印刷体固定板が矩形状に形成され、前記脚が前記被印刷体固定板の四辺に沿って配置され、
前記被印刷体固定板は複数個の前記開口が行列状に形成され、
前記脚が隣接する行または隣接する列の間で、かつ、前記被印刷体固定板の四辺のいずれかと平行するように配置されていることを特徴とする印刷治具。 When performing UV inkjet printing on a three-dimensional printing medium, a printing jig for fixing and positioning the printing medium in parallel,
A printing plate fixing plate in which a plurality of openings for fitting and fixing the printing plate are formed, and on the back surface of the printing plate fixing plate so as to protrude to the back side of the printing plate fixing plate. Attached, and a leg for raising the height of the printing medium fixing plate,
An escape space for projecting the printing medium is formed at a lower portion of the printing medium fixing plate ,
The printing medium fixing plate is formed in a rectangular shape, the legs are arranged along four sides of the printing medium fixing plate,
The printing medium fixing plate is formed with a plurality of the openings in a matrix,
A printing jig, wherein the legs are arranged between adjacent rows or adjacent columns and parallel to any one of four sides of the printing medium fixing plate .
前記被印刷体を嵌め込んで固定するための複数個の開口が形成された被印刷体固定板と、前記被印刷体固定板の裏面側に突出するように前記被印刷体固定板の裏面に取り付けられた、前記被印刷体固定板の高さを嵩上げするための脚と、を備え、A printing plate fixing plate in which a plurality of openings for fitting and fixing the printing plate are formed, and on the back surface of the printing plate fixing plate to protrude to the back side of the printing plate fixing plate. Attached, and a leg for raising the height of the printing medium fixing plate,
前記被印刷体固定板の下部に前記被印刷体を突出させるための逃がし空間が形成されており、A relief space for projecting the printing medium is formed below the printing medium fixing plate,
前記被印刷体固定板と平行するように前記脚の下端側に配置する底板を更に備え、Further comprising a bottom plate arranged on the lower end side of the leg so as to be parallel to the printing medium fixing plate,
前記底板の表面には、前記底板の表面から突出し、前記被印刷体の小径部側を持ち上げるための被印刷体支持台が設置されており、On the surface of the bottom plate, a printing medium support base that protrudes from the surface of the bottom plate and lifts the small diameter side of the printing medium is installed,
前記被印刷体支持台は、前記底板の表面のうち前記被印刷体固定板と前記底板を位置合わせした際に前記被印刷体固定板の前記開口を通じて視認可能な領域に配置され、The print support is arranged in an area visible through the opening of the print fixing plate when the print fixation plate and the bottom plate are aligned on the surface of the bottom plate,
前記被印刷体支持台の高さは、前記被印刷体支持台に前記被印刷体を載置した際に前記被印刷体の円錐母線が前記被印刷体固定板と平行となる高さに形成されている印刷治具。The height of the print support is formed at a height such that the conical generatrix of the print is parallel to the print fixing plate when the print is placed on the print support. Printing jig.
前記ズレ防止ブロックは、前記底板の表面のうち前記被印刷体の印刷時姿勢における前記被印刷体の大径側端部に相当する位置に配置されている請求項５に記載の印刷治具。 On the surface of the bottom plate, a deviation prevention block for projecting from the surface of the bottom plate and fixing the printing medium so as not to shift in the printing position is installed,
The printing jig according to claim 5 , wherein the displacement prevention block is arranged at a position on the surface of the bottom plate corresponding to a large-diameter end of the printing medium in a printing posture of the printing medium.
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