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JP5564339B2 - Metal mask for engraving by sandblasting - Google Patents

Metal mask for engraving by sandblasting Download PDF

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JP5564339B2
JP5564339B2 JP2010137005A JP2010137005A JP5564339B2 JP 5564339 B2 JP5564339 B2 JP 5564339B2 JP 2010137005 A JP2010137005 A JP 2010137005A JP 2010137005 A JP2010137005 A JP 2010137005A JP 5564339 B2 JP5564339 B2 JP 5564339B2
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metal mask
sandblasting
portions
marking
engraving
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JP2012000711A (en
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芳章 江川
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江川製作所株式会社
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Description

この発明は、サンドブラストにより、ガラスや金属の表面に文字、標章等を刻印する際に用いられるメタルマスクに関する。   The present invention relates to a metal mask used when a character, a mark, or the like is engraved on the surface of glass or metal by sandblasting.

従来、ガラスや金属等の刻印対象の表面に文字、標章等を刻印する際には、当該文字、標章に対応する形状のパターン開口を形成した金属製のマスク(メタルマスク)を刻印対象の表面に押し当て、パターン開口を通して刻印対象の表面にサンドブラストをかける方法が用いられている(例えば特許文献1参照)。
刻印対象によっては、主たる文字、標章の他に、刻印の施工年月や施工場所等の付加情報を表す識別マークを同時に刻印することが行われる。一般に、この識別マークは、指定された位置に刻印される直径0.3mm〜3mm程度の複数の円形ドットである。メタルマスクにも、これに対応する識別マーク用の小孔が形成されるが、その形成作業は、当該メタルマスクの製作場所(主たるマークのパターン開口を形成する工場)とは異なる場所、すなわち例えば、サンドブラスト加工の施工現場において、施工の直前に行われることになる。
Conventionally, when marking characters, marks, etc. on the surface of objects to be engraved, such as glass or metal, the object to be engraved is a metal mask (metal mask) that has a pattern opening with a shape corresponding to the characters, marks, etc. A method of applying sand blasting to the surface of the object to be engraved through a pattern opening (see, for example, Patent Document 1) is used.
Depending on the object to be engraved, in addition to the main characters and marks, an identification mark representing additional information such as the date and place of the engraving is simultaneously engraved. Generally, this identification mark is a plurality of circular dots having a diameter of about 0.3 mm to 3 mm that are imprinted at a designated position. A small hole for an identification mark corresponding to the metal mask is also formed in the metal mask, but the formation work is different from a place where the metal mask is manufactured (a factory for forming a pattern opening of the main mark), for example, In the sandblasting construction site, it is performed immediately before construction.

特開2005−319524号公報JP 2005-319524 A

メタルマスクは、長期使用に耐えるために、比較的硬度の高い素材が用いられ、またその板厚も増大傾向にあるから、識別マーク用の小孔の形成作業は困難性を増している。メタルマスクの製作は、設備の整った専門の工場で行われるが、識別マーク用の微小な孔開けを行う現場には十分な設備がない。この孔開けは、ドリル、ボール盤、パンチ等を用いて行われるが、施工現場では、工具の強度を十分に確保することができないため、工具の破損頻度が高く、また作業性の低下が甚だしいという問題点がある。
したがって、この出願に係る発明は、十分な強度を保持しながら、サンドブラストの施工現場等においても識別マーク用の小孔の形成が容易にできるメタルマスクを提供することを目的としている。
In order to withstand long-term use, a metal mask is made of a material having a relatively high hardness, and the thickness of the metal mask tends to increase. Therefore, it is difficult to form a small hole for an identification mark. The metal mask is manufactured in a specialized factory with a well-equipped facility, but there are not enough facilities at the site where minute holes for identification marks are to be made. This drilling is performed using a drill, drilling machine, punch, etc., but at the construction site, the strength of the tool cannot be secured sufficiently, so the frequency of tool breakage is high and workability is severely reduced. There is a problem.
Accordingly, an object of the present invention is to provide a metal mask that can easily form a small hole for an identification mark even at a sandblasting construction site or the like while maintaining sufficient strength.

以下、添付図面の符号を参照して説明するが、本発明はこれに限定されるものではない。
上記課題を解決するための、この出願に係る発明のサンドブラストによる刻印用メタルマスク1は、金属製基板2に刻印用のパターン開口3を形成してなるもので、製作場所以外の場所で、追加的に識別マーク用の小孔5が形成される。当該小孔5を形成することが予定される複数の箇所に、他の部位より当該小孔5の形成が容易な脆弱部4を具備する。
上記メタルマスクの脆弱部4は、レーザー光照射により形成される焼鈍部6とすることができ、また同様にレーザー光照射により形成される肉薄部7とすることができる。
Hereinafter, the present invention will be described with reference to the accompanying drawings, but the present invention is not limited thereto.
In order to solve the above problems, a metal mask 1 for engraving by sandblasting according to the invention of this application is formed by forming a pattern opening 3 for engraving on a metal substrate 2 and is added at a place other than the production place. Thus, a small hole 5 for an identification mark is formed. In a plurality of places where the small holes 5 are planned to be formed, the weakened portions 4 are formed which are easier to form the small holes 5 than other parts.
The weakened portion 4 of the metal mask can be an annealed portion 6 formed by laser light irradiation, and can also be a thin portion 7 formed by laser light irradiation.

この出願に係る発明のメタルマスク1は、識別マーク刻印用の小孔5が形成されることが予定される複数の箇所に、他の部位より当該小孔5の形成が容易な脆弱部4を具備するから、十分な孔開け設備が整っていない製作場所以外の場所において、追加的に識別マーク用の小孔5を形成する場合に、この作業を容易に行うことができる。
パターン開口3の形成はレーザー加工機により行われるが、脆弱部4の形成を同じレーザー加工機により行えば、加工コストの上昇は最小限に抑えられる。
In the metal mask 1 of the invention according to this application, the weakened portions 4 that are easier to form the small holes 5 than other portions are formed at a plurality of locations where the small holes 5 for marking the identification marks are to be formed. Therefore, this operation can be easily performed when a small hole 5 for an identification mark is additionally formed in a place other than a production place where sufficient drilling facilities are not provided.
The pattern opening 3 is formed by a laser processing machine. However, if the weakened portion 4 is formed by the same laser processing machine, an increase in processing cost can be minimized.

本発明に係るメタルマスクの平面図である。It is a top view of the metal mask which concerns on this invention. 図1のメタルマスクにおける脆弱部の実施例を示す断面図である。It is sectional drawing which shows the Example of the weak part in the metal mask of FIG. 図1のメタルマスクにおける脆弱部の他の実施例を示す断面図である。It is sectional drawing which shows the other Example of the weak part in the metal mask of FIG. 図1のメタルマスクに識別マーク用小孔を形成した状態の平面図である。FIG. 2 is a plan view showing a state where small holes for identification marks are formed in the metal mask of FIG. 1.

図面を参照してこの発明の実施の形態を説明する。
図において、1はメタルマスクで、ステンレス鋼材等の金属製基板2に、サンドブラストによる刻印用のパターン開口3を形成してなる。
Embodiments of the present invention will be described with reference to the drawings.
In the figure, reference numeral 1 denotes a metal mask, which is formed by forming a pattern opening 3 for engraving by sandblasting on a metal substrate 2 such as a stainless steel material.

図において、斜線を付した部分4は脆弱部である。脆弱部4は、後日、メタルマスク1の製作工場とは異なる場所、例えば、サンドブラストを施工する工場で、識別マーク用の小孔5(図4)を追加的に形成することが予定される部位である。 In the figure, a hatched portion 4 is a fragile portion. The fragile portion 4 is a part where a small hole 5 for an identification mark (FIG. 4) is to be additionally formed at a location different from the manufacturing factory of the metal mask 1 at a later date, for example, a factory where sandblasting is performed. It is.

識別マークは、それが刻印される位置により、サンドブラストの施工時期や施工場所を識別するものであり、その都度、配置が異なるが、配置規則は定まっている。したがって、識別マークに対応する小孔5は、サンドブラストを施工する工場で形成される。メタルマスク1上の脆弱部4は、上記配置規則に従って配置されているので、小孔5を形成する場所は、予めメタルマスク1上に形成された複数の脆弱部4のうちのいずれかの位置になる。   The identification mark identifies the construction time and place of sandblasting depending on the position where it is engraved, and each time the arrangement is different, the arrangement rules are fixed. Therefore, the small hole 5 corresponding to the identification mark is formed in a factory where sandblasting is performed. Since the fragile portion 4 on the metal mask 1 is arranged according to the arrangement rule, the position where the small hole 5 is formed is any one of the plurality of fragile portions 4 formed on the metal mask 1 in advance. become.

図2には脆弱部4の実施例を示す。この実施例において、脆弱部4は、レーザー光の照射によって加熱し、徐冷することによって焼鈍させてなる。小間隔の斜線を付した部分は焼鈍部6である。この脆弱部4は、焼鈍されているので、他の部位より硬度が低く孔開けが容易である。   FIG. 2 shows an embodiment of the weak part 4. In this embodiment, the fragile portion 4 is annealed by being heated and gradually cooled by irradiation with laser light. The hatched portions with small intervals are the annealed portions 6. Since the fragile portion 4 is annealed, it has a lower hardness than other portions and can be easily drilled.

図3には脆弱部4の他の実施例を示す。この実施例において、脆弱部4は、レーザー光の照射によって部分的に素材金属を蒸発させ、肉薄部7を形成してなる。この脆弱部4は、肉が薄いので、他の部位より孔開けが容易である。   FIG. 3 shows another embodiment of the fragile portion 4. In this embodiment, the fragile portion 4 is formed by partially evaporating the material metal by laser light irradiation to form a thin portion 7. Since the fragile portion 4 is thin, it is easier to perforate than other portions.

パターン開口3の形成は、一般にレーザー加工機により行われるが、脆弱部4の形成を同じレーザー加工機により行えば、加工コストの上昇は最小限に抑えられる。   The pattern opening 3 is generally formed by a laser processing machine. However, if the weakened portion 4 is formed by the same laser processing machine, an increase in processing cost can be minimized.

なお、脆弱部4は、メタルマスク1の寿命に最も大きな影響を与えるパターン開口3の継ぎ目3a部分から、適当に離れた位置に設けられるので、継ぎ目3a付近の硬度には影響を与えない。   In addition, since the weak part 4 is provided in the position away from the joint 3a part of the pattern opening 3 which has the greatest influence on the life of the metal mask 1, it does not affect the hardness in the vicinity of the joint 3a.

1 メタルマスク
2 金属基板
3 パターン開口
3a 継ぎ目
4 脆弱部
5 小孔
6 焼鈍部
7 肉薄部
DESCRIPTION OF SYMBOLS 1 Metal mask 2 Metal substrate 3 Pattern opening 3a Seam 4 Fragile part 5 Small hole 6 Annealing part 7 Thin part

Claims (3)

金属製基板に刻印用のパターン開口を形成してなるサンドブラストによる刻印用メタルマスクであって、主たる当該パターン開口を形成するメタルマスクの製作場所以外の場所で識別用の小孔が追加的に形成されるものにおいて
前記小孔が形成されることが予定される複数の箇所に、他の部位より当該小孔の形成が容易な脆弱部を具備することを特徴とするサンドブラストによる刻印用メタルマスク。
A marking for metal mask by sandblasting to form the pattern openings ing for stamping a metal substrate, small holes additionally for identification at a location other than manufacturing location of the metal mask to form a primary the pattern opening In what is formed
A metal mask for marking by sandblasting, wherein a plurality of portions where the small holes are expected to be formed are provided with fragile portions that are easier to form the small holes than other portions.
前記脆弱部が、レーザー光照射により形成された肉薄部であることを特徴とする請求項1に記載のサンドブラストによる刻印用メタルマスク。   2. The metal mask for marking by sandblasting according to claim 1, wherein the fragile portion is a thin portion formed by laser beam irradiation. 前記脆弱部が、レーザー光照射により形成された焼鈍部であることを特徴とする請求項1に記載のサンドブラストによる刻印用メタルマスク。   2. The metal mask for marking by sandblasting according to claim 1, wherein the fragile portion is an annealed portion formed by laser light irradiation.
JP2010137005A 2010-06-16 2010-06-16 Metal mask for engraving by sandblasting Active JP5564339B2 (en)

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JP2017019036A (en) * 2015-07-09 2017-01-26 Towa株式会社 Blasting device and product manufacturing method using blasting

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JP4097270B2 (en) * 2004-05-07 2008-06-11 江川製作所株式会社 Sandblast mask device
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JP5291307B2 (en) * 2007-08-03 2013-09-18 株式会社不二製作所 Manufacturing method of metal mask for screen printing

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