JP6896330B2 - Blade case - Google Patents

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JP6896330B2
JP6896330B2 JP2017059488A JP2017059488A JP6896330B2 JP 6896330 B2 JP6896330 B2 JP 6896330B2 JP 2017059488 A JP2017059488 A JP 2017059488A JP 2017059488 A JP2017059488 A JP 2017059488A JP 6896330 B2 JP6896330 B2 JP 6896330B2
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lid
lid portion
cutting blade
side wall
accommodating
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JP2018161697A (en
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裕俊 星川
裕俊 星川
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Disco Corp
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Disco Corp
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Description

本発明は、板状の被加工物を切削加工する際に用いられる切削ブレードを収容するためのブレードケースに関する。 The present invention relates to a blade case for accommodating a cutting blade used when cutting a plate-shaped workpiece.

携帯電話機やパーソナルコンピュータに代表される電子機器では、電子回路等のデバイスを備えるデバイスチップが必須の構成要素になっている。デバイスチップは、例えば、シリコン等の半導体材料でなるウェーハの表面を複数の分割予定ライン（ストリート）で区画し、各領域にデバイスを形成した後、この分割予定ラインに沿ってウェーハを分割することで得られる。 In electronic devices such as mobile phones and personal computers, a device chip including a device such as an electronic circuit is an indispensable component. In the device chip, for example, the surface of a wafer made of a semiconductor material such as silicon is partitioned by a plurality of scheduled division lines (streets), devices are formed in each region, and then the wafer is divided along the planned division lines. Obtained at.

ウェーハを複数のデバイスチップへと分割する際には、例えば、回転軸（スピンドル）に環状の切削ブレードが装着された切削装置を使用する。高速に回転させた切削ブレードを被加工物の分割予定ラインに沿って深く切り込ませることで、この被加工物を切断して複数のデバイスチップへと分割できる。 When dividing a wafer into a plurality of device chips, for example, a cutting device in which an annular cutting blade is mounted on a rotating shaft (spindle) is used. By cutting the cutting blade rotated at high speed deeply along the planned division line of the workpiece, the workpiece can be cut and divided into a plurality of device chips.

切削ブレードの一態様として、アルミニウム等でなる環状の基台の外周部に、砥粒を含む切刃が固定されたハブタイプが知られている。このハブタイプの切削ブレードの切刃はめっき等の方法で薄く形成されることが多い。そこで、搬送等の際には、切削ブレードをブレードケースに収容して切刃の破損を防いでいる（例えば、特許文献１参照）。 As one aspect of the cutting blade, a hub type in which a cutting blade containing abrasive grains is fixed to the outer peripheral portion of an annular base made of aluminum or the like is known. The cutting edge of this hub type cutting blade is often formed thin by a method such as plating. Therefore, during transportation or the like, the cutting blade is housed in a blade case to prevent damage to the cutting blade (see, for example, Patent Document 1).

特開平８−３２３５４５号公報Japanese Unexamined Patent Publication No. 8-323545

上述した切削ブレードは、通常、オペレータ等によってブレードケースから取り出された後に切削装置の回転軸へと装着される。ところが、この装着の際に、誤って切削ブレードを切削装置等に衝突させて、切刃が破損してしまうことがある。 The cutting blade described above is usually attached to the rotating shaft of the cutting device after being taken out from the blade case by an operator or the like. However, at the time of this mounting, the cutting blade may be accidentally collided with a cutting device or the like, and the cutting blade may be damaged.

本発明はかかる問題点に鑑みてなされたものであり、その目的とするところは、切削ブレードを回転軸に装着する際に切刃が破損する可能性を低く抑えられるブレードケースを提供することである。 The present invention has been made in view of such a problem, and an object of the present invention is to provide a blade case capable of reducing the possibility of damage to the cutting blade when the cutting blade is mounted on a rotating shaft. is there.

本発明の一態様によれば、表面側から裏面側に貫通し回転軸が挿入される挿入孔、及び該挿入孔を囲み表面側に突出する被把持部を有する環状の基台と、該基台の外周部から該基台の径方向外側に突出する環状の切刃と、を備える切削ブレードを収容するブレードケースであって、底板、及び該底板の一方の面の外周部に一端が接続され他端側に雌ネジが形成された収容部側壁を有し、該収容部側壁の内側に該切削ブレードを該裏面側から収容するための収容領域が形成された収容部と、該底板の一部に対応する第１天板、該収容部側壁の一部に対応し該第１天板の一方の面の外周部に一端が接続され他端側に第１雄ネジが形成された第１蓋部側壁、及び該第１天板の該一方の面に設けられ該被把持部に係合する第１係合爪を有する第１蓋部と、該底板の他の一部に対応する第２天板、該収容部側壁の他の一部に対応し該第２天板の一方の面の外周部に一端が接続され他端側に第２雄ネジが形成された第２蓋部側壁、及び該第２天板の該一方の面に設けられ該被把持部に係合する第２係合爪を有する第２蓋部と、を備え、該第１蓋部と該第２蓋部とは、該第１蓋部の一部と該第２蓋部の一部とが接触及び分離できる態様で互いに連結され、該第１蓋部の一部と該第２蓋部の一部とが接触した状態では、第１係合爪と第２係合爪とによって該切削ブレードを把持でき、該第１蓋部の一部と該第２蓋部の一部とが分離されると、該切削ブレードの把持が解除され、該第１蓋部の一部と該第２蓋部の一部とが接触した状態で、該第１雄ネジ及び該第２雄ネジを該雌ネジにねじ込むことによって、該第１蓋部及び該第２蓋部が該収容部に取り付けられるブレードケースが提供される。 According to one aspect of the present invention, an annular base having an insertion hole through which a rotation shaft is inserted from the front surface side to the back surface side, and a gripped portion that surrounds the insertion hole and projects to the front surface side, and the base. A blade case for accommodating a cutting blade including an annular cutting edge that protrudes radially outward from the outer peripheral portion of the base, and one end of which is connected to the bottom plate and the outer peripheral portion of one surface of the bottom plate. An accommodating portion having a side wall of the accommodating portion having a female screw formed on the other end side, and an accommodating area formed inside the side wall of the accommodating portion for accommodating the cutting blade from the back surface side, and the bottom plate. A first top plate corresponding to a part, one end connected to the outer peripheral portion of one surface of the first top plate corresponding to a part of the side wall of the accommodating portion, and a first male screw formed on the other end side . 1 Corresponds to a first lid portion having a side wall of the lid portion and a first engaging claw provided on one surface of the first top plate and engaging with the gripped portion, and another part of the bottom plate. A second lid portion in which one end is connected to the outer peripheral portion of one surface of the second top plate and a second male screw is formed on the other end side corresponding to the second top plate and the other part of the side wall of the accommodating portion. A side wall and a second lid portion provided on one surface of the second top plate and having a second engaging claw that engages with the gripped portion are provided, and the first lid portion and the second lid portion are provided. The portion is connected to each other in such a manner that a part of the first lid portion and a part of the second lid portion can be contacted and separated from each other, and a part of the first lid portion and a part of the second lid portion are connected to each other. When the cutting blade can be gripped by the first engaging claw and the second engaging claw, and a part of the first lid portion and a part of the second lid portion are separated from each other. , The first male screw and the second male screw are attached to the female screw in a state where the grip of the cutting blade is released and a part of the first lid portion and a part of the second lid portion are in contact with each other. by screwing, the first lid and the second lid blade case that attached to the housing portion is provided.

上述した本発明の一態様において、該第１蓋部側壁と該第２蓋部側壁とを連結するヒンジ部と、該第１蓋部の一部と該第２蓋部の一部とが接触した状態を保つロック部と、を更に備えても良い。 In one aspect of the present invention described above, the hinge portion that connects the first lid portion side wall and the second lid portion side wall, and a part of the first lid portion and a part of the second lid portion come into contact with each other. A lock portion that keeps the closed state may be further provided.

本発明の一態様に係るブレードケースは、切削ブレードの被把持部に係合する第１係合爪を有する第１蓋部と、被把持部に係合する第２係合爪を有する第２蓋部と、を備え、この第１蓋部と第２蓋部とは、第１蓋部の一部と第２蓋部の一部とが接触及び分離できる態様で互いに連結される。 The blade case according to one aspect of the present invention has a first lid portion having a first engaging claw that engages with a gripped portion of a cutting blade, and a second having a second engaging claw that engages with the gripped portion. A lid portion is provided, and the first lid portion and the second lid portion are connected to each other in such a manner that a part of the first lid portion and a part of the second lid portion can be contacted and separated from each other.

第１蓋部の一部と第２蓋部の一部とが接触した状態では、第１係合爪と第２係合爪とによって切削ブレードを把持し、第１蓋部と第２蓋部とで切削ブレードを保護できる。第１蓋部の一部と第２蓋部の一部とが分離されると、第１係合爪と第２係合爪とによる切削ブレードの把持は解除される。 In a state where a part of the first lid portion and a part of the second lid portion are in contact with each other, the cutting blade is gripped by the first engaging claw and the second engaging claw, and the first lid portion and the second lid portion are held. And can protect the cutting blade. When a part of the first lid portion and a part of the second lid portion are separated, the gripping of the cutting blade by the first engaging claw and the second engaging claw is released.

そのため、第１係合爪と第２係合爪とによって切削ブレードを把持することで、第１蓋部と第２蓋部とで切削ブレードを保護しながら、この切削ブレードを回転軸に装着できる。例えば、切削ブレードを回転軸に装着した後には、第１蓋部の一部と第２蓋部の一部とを分離させて、第１係合爪と第２係合爪とによる切削ブレードの把持を解除すれば良い。 Therefore, by gripping the cutting blade with the first engaging claw and the second engaging claw, the cutting blade can be mounted on the rotating shaft while the cutting blade is protected by the first lid portion and the second lid portion. .. For example, after mounting the cutting blade on the rotating shaft, a part of the first lid portion and a part of the second lid portion are separated, and the cutting blade is formed by the first engaging claw and the second engaging claw. The grip may be released.

このように、本発明の一態様に係るブレードケースによれば、第１蓋部と第２蓋部とで切削ブレードを保護しながら、切削ブレードを回転軸に装着できるので、切削ブレードを回転軸に装着する際に切刃が破損する可能性を低く抑えられる。 As described above, according to the blade case according to one aspect of the present invention, the cutting blade can be mounted on the rotating shaft while protecting the cutting blade by the first lid portion and the second lid portion, so that the cutting blade can be mounted on the rotating shaft. The possibility that the cutting edge will be damaged when it is attached to the machine can be kept low.

ブレードケースの構成例を模式的に示す斜視図である。It is a perspective view which shows the structural example of a blade case schematically. 図２（Ａ）は、別の方向から見た第１蓋部及び第２蓋部を模式的に示す斜視図であり、図２（Ｂ）は、ロック部を拡大した断面図である。FIG. 2A is a perspective view schematically showing the first lid portion and the second lid portion viewed from another direction, and FIG. 2B is an enlarged cross-sectional view of the lock portion. 図３（Ａ）は、ブレードケースに切削ブレードが収容された状態を模式的に示す断面図であり、図３（Ｂ）は、収容部から第１蓋部及び第２蓋部が取り外された状態を模式的に示す断面図である。FIG. 3 (A) is a cross-sectional view schematically showing a state in which the cutting blade is housed in the blade case, and FIG. 3 (B) shows the first lid portion and the second lid portion removed from the housing portion. It is sectional drawing which shows the state schematically. 図４（Ａ）、図４（Ｂ）、及び図４（Ｃ）は、切削ブレードを回転軸に装着するための手順を模式的に示す斜視図である。4 (A), 4 (B), and 4 (C) are perspective views schematically showing a procedure for mounting the cutting blade on the rotating shaft.

添付図面を参照して、本発明の実施形態について説明する。図１は、ブレードケース２の構成例を模式的に示す斜視図であり、図２（Ａ）は、図１とは別の方向から見たブレードケース２の一部を模式的に示す斜視図であり、図２（Ｂ）は、ブレードケース２の一部を拡大した断面図であり、図３（Ａ）は、ブレードケース２に切削ブレード（ハブブレード）１１が収容された状態を模式的に示す断面図である。 Embodiments of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a perspective view schematically showing a configuration example of the blade case 2, and FIG. 2 (A) is a perspective view schematically showing a part of the blade case 2 seen from a direction different from that of FIG. FIG. 2B is an enlarged cross-sectional view of a part of the blade case 2, and FIG. 3A schematically shows a state in which the cutting blade (hub blade) 11 is housed in the blade case 2. It is a cross-sectional view shown in.

ブレードケース２は、いわゆるハブタイプの切削ブレード１１を収容できるように構成されており、収容部４、第１蓋部６、及び第２蓋部８を含む。図３（Ａ）に示すように、このブレードケース２に収容される切削ブレード１１は、例えば、環状の基台１３と、基台１３の外周部に固定された環状の切刃１５とで構成されている。 The blade case 2 is configured to accommodate a so-called hub-type cutting blade 11, and includes an accommodating portion 4, a first lid portion 6, and a second lid portion 8. As shown in FIG. 3A, the cutting blade 11 housed in the blade case 2 is composed of, for example, an annular base 13 and an annular cutting blade 15 fixed to the outer peripheral portion of the base 13. Has been done.

基台１３は、例えば、アルミニウム等の金属を用いて形成され、その中央には、基台１３を表面（図３（Ａ）の上側の面）側から裏面側に貫通する孔（挿入孔）１３ａが設けられている。孔１３ａには、切削ブレード１１を回転させるための回転軸（スピンドル）が挿入される。 The base 13 is formed of, for example, a metal such as aluminum, and in the center thereof, a hole (insertion hole) through which the base 13 penetrates from the front surface (upper surface of FIG. 3A) to the back surface side. 13a is provided. A rotation shaft (spindle) for rotating the cutting blade 11 is inserted into the hole 13a.

また、基台１３の表面側には、回転軸に対して切削ブレード１１を取り付ける際や、回転軸から切削ブレード１１を取り外す際に把持される被把持部１３ｂが設けられている。被把持部１３ｂは、挿入孔１３ａを囲む環状に形成され、基台１３の表面側に突出している。また、被把持部１３ｂの径は、基端側に比べて先端側で僅かに大きくなっている。 Further, on the surface side of the base 13, a gripped portion 13b is provided which is gripped when the cutting blade 11 is attached to the rotating shaft or when the cutting blade 11 is removed from the rotating shaft. The gripped portion 13b is formed in an annular shape surrounding the insertion hole 13a and projects toward the surface side of the base 13. Further, the diameter of the gripped portion 13b is slightly larger on the tip end side than on the base end side.

切刃１５は、ダイヤモンド等の砥粒を金属（代表的には、ニッケル）等の結合材で固めて形成され、基台１３の外周部から径方向外側に突出している。この切刃１５は、例えば、めっき等の方法で１０μｍ〜３０μｍ程度の厚みに形成される。ただし、基台１３や切刃１５の材質、大きさ（厚さ）、製法等に特段の制限はない。 The cutting edge 15 is formed by solidifying abrasive grains such as diamond with a binder such as metal (typically nickel), and projects radially outward from the outer peripheral portion of the base 13. The cutting edge 15 is formed to a thickness of about 10 μm to 30 μm by, for example, a method such as plating. However, there are no particular restrictions on the material, size (thickness), manufacturing method, etc. of the base 13 and the cutting edge 15.

収容部４、第１蓋部６、及び第２蓋部８は、例えば、ポリプロピレン等の合成樹脂で形成される。収容部４は、平面視で円形の底板１０と、底板１０の第１面（一方の面）１０ａ側の外周部に設けられた側壁（収容部側壁）１２とを有している。側壁１２の基端（一端）が底板１０の外周部に接続されている。側壁１２より内側が、切削ブレード１１を収容する第１収容領域となる。 The accommodating portion 4, the first lid portion 6, and the second lid portion 8 are formed of, for example, a synthetic resin such as polypropylene. The accommodating portion 4 has a circular bottom plate 10 in a plan view and a side wall (accommodating portion side wall) 12 provided on the outer peripheral portion of the bottom plate 10 on the first surface (one surface) 10a side. The base end (one end) of the side wall 12 is connected to the outer peripheral portion of the bottom plate 10. The inside of the side wall 12 is the first accommodating area for accommodating the cutting blade 11.

底板１０の中央には、第１面１０ａから突出する円筒状の第１凸部１４が設けられている。第１凸部１４の外周の径は、切削ブレード１１の基台１３に設けられた孔１３ａの径と概ね等しくなっている。また、底板１０の第１凸部１４を囲む位置には、第１面１０ａから突出する円環状の第２凸部１６が設けられている。第２凸部１６の外周の径は、切刃１５の内周の径よりも小さくなっている。側壁１２の先端（他端）側の内周面には、ネジ溝（雌ネジ）１８が形成されている。 At the center of the bottom plate 10, a cylindrical first convex portion 14 projecting from the first surface 10a is provided. The diameter of the outer circumference of the first convex portion 14 is substantially equal to the diameter of the hole 13a provided in the base 13 of the cutting blade 11. Further, at a position surrounding the first convex portion 14 of the bottom plate 10, an annular second convex portion 16 protruding from the first surface 10a is provided. The diameter of the outer circumference of the second convex portion 16 is smaller than the diameter of the inner circumference of the cutting edge 15. A screw groove (female screw) 18 is formed on the inner peripheral surface of the side wall 12 on the tip end (other end) side.

収容部４の第１凸部１４を基台１３の孔１３ａに挿入するとともに、第２凸部１６に基台１３の裏面側を接触させることで、切削ブレード１１を収容部４の第１収容領域に収容し、且つ、切削ブレード１１の径方向への移動を規制できる。このように、第１収容領域には、切削ブレード１１が基台１３の裏面側から収容されることになる。 By inserting the first convex portion 14 of the accommodating portion 4 into the hole 13a of the base 13 and bringing the back surface side of the base 13 into contact with the second convex portion 16, the cutting blade 11 is first accommodated in the accommodating portion 4. It can be accommodated in the region and the movement of the cutting blade 11 in the radial direction can be restricted. In this way, the cutting blade 11 is accommodated in the first accommodating area from the back surface side of the base 13.

第１蓋部６は、平面視で半円形の天板（第１天板）２０と、天板２０の第１面（一方の面）２０ａ側の外周部に設けられた側壁（第１蓋部側壁）２２とを有している。側壁２２の基端（一端）が天板２０の外周部に接続されている。天板２０の形状は、例えば、収容部４の底板１０を２つに分割して得られる一方側の形状に対応している。 The first lid portion 6 has a semicircular top plate (first top plate) 20 in a plan view and a side wall (first lid) provided on the outer peripheral portion of the top plate 20 on the first surface (one surface) 20a side. It has a portion side wall) 22. The base end (one end) of the side wall 22 is connected to the outer peripheral portion of the top plate 20. The shape of the top plate 20 corresponds to, for example, the shape of one side obtained by dividing the bottom plate 10 of the accommodating portion 4 into two parts.

また、側壁２２は、天板２０の円周に相当する部分にのみ設けられている。つまり、側壁２２は、収容部４の側壁１２を２つに分割して得られる一方側に対応する位置にのみ配置される。また、天板２０には、第１面２０ａから突出する係合爪（第１係合爪）２４が設けられている。 Further, the side wall 22 is provided only on a portion corresponding to the circumference of the top plate 20. That is, the side wall 22 is arranged only at a position corresponding to one side obtained by dividing the side wall 12 of the accommodating portion 4 into two. Further, the top plate 20 is provided with an engaging claw (first engaging claw) 24 protruding from the first surface 20a.

係合爪２４は、収容される切削ブレード１１の被把持部１３ｂの位置に合わせて配置され、被把持部１３ｂと係合する。係合爪２４の先端側は、被把持部１３ｂの先端側より径の小さい被把持部１３ｂの基端側と適切に係合できるように、側壁２２の反対側に向かって僅かに傾斜している。 The engaging claw 24 is arranged according to the position of the gripped portion 13b of the cutting blade 11 to be accommodated, and engages with the gripped portion 13b. The tip end side of the engaging claw 24 is slightly inclined toward the opposite side of the side wall 22 so that it can be appropriately engaged with the base end side of the gripped portion 13b having a diameter smaller than the tip end side of the gripped portion 13b. There is.

なお、本実施形態では、被把持部１３ｂの約半分の領域を把持できる半円（半円環）状の係合爪２４を設けているが、係合爪２４の大きさ、形状、数量、配置等に特段の制限はない。側壁２２の先端（他端）側の外周面には、収容部４のネジ溝１８に対応するネジ山（第１雄ネジ）２６が形成されている。 In the present embodiment, the semicircular (semi-circular) engaging claw 24 capable of gripping about half the region of the gripped portion 13b is provided, but the size, shape, quantity, and the size, shape, and quantity of the engaging claw 24 are determined. There are no particular restrictions on the placement, etc. A screw thread (first male screw) 26 corresponding to the screw groove 18 of the accommodating portion 4 is formed on the outer peripheral surface of the side wall 22 on the tip end (other end) side.

第２蓋部８は、平面視で半円形の天板（第２天板）２８と、天板２８の第１面（一方の面）２８ａ側の外周部に設けられた側壁（第２蓋部側壁）３０とを有している。側壁３０の基端（一端）が天板２８の外周部に接続されている。天板２８の形状は、例えば、収容部４の底板１０を２つに分割して得られる他方側の形状に対応している。 The second lid portion 8 has a semicircular top plate (second top plate) 28 in a plan view and a side wall (second lid) provided on the outer peripheral portion of the top plate 28 on the first surface (one surface) 28a side. It has a portion side wall) 30 and. The base end (one end) of the side wall 30 is connected to the outer peripheral portion of the top plate 28. The shape of the top plate 28 corresponds to, for example, the shape of the other side obtained by dividing the bottom plate 10 of the accommodating portion 4 into two parts.

また、側壁３０は、天板２８の円周に相当する部分にのみ設けられている。つまり、側壁３０は、収容部４の側壁１２を２つに分割して得られる他方側に対応する位置にのみ配置される。また、天板２８には、第１面２８ａから突出する係合爪（第２係合爪）３２が設けられている。 Further, the side wall 30 is provided only on a portion corresponding to the circumference of the top plate 28. That is, the side wall 30 is arranged only at a position corresponding to the other side obtained by dividing the side wall 12 of the accommodating portion 4 into two. Further, the top plate 28 is provided with an engaging claw (second engaging claw) 32 protruding from the first surface 28a.

係合爪３２は、収容される切削ブレード１１の被把持部１３ｂの位置に合わせて配置され、被把持部１３ｂと係合する。係合爪３２の先端側は、被把持部１３ｂの先端側より径の小さい被把持部１３ｂの基端側と適切に係合できるように、側壁３０の反対側に向かって僅かに傾斜している。 The engaging claw 32 is arranged according to the position of the gripped portion 13b of the cutting blade 11 to be accommodated, and engages with the gripped portion 13b. The tip end side of the engaging claw 32 is slightly inclined toward the opposite side of the side wall 30 so that it can be appropriately engaged with the base end side of the gripped portion 13b having a diameter smaller than that of the tip end side of the gripped portion 13b. There is.

なお、本実施形態では、被把持部１３ｂの約半分の領域を把持できる半円（半円環）状の係合爪３２を設けているが、係合爪３２の大きさ、形状、数量、配置等に特段の制限はない。側壁３０の先端（他端）側の外周面には、収容部４のネジ溝１８に対応するネジ山（第２雄ネジ）３４が形成されている。 In the present embodiment, the semicircular (semi-circular) engaging claw 32 capable of gripping about half of the area of the gripped portion 13b is provided, but the size, shape, quantity, and the size, shape, and quantity of the engaging claw 32 are determined. There are no particular restrictions on the placement, etc. A screw thread (second male screw) 34 corresponding to the screw groove 18 of the accommodating portion 4 is formed on the outer peripheral surface of the side wall 30 on the tip end (other end) side.

図１に示すように、第１蓋部６（側壁２２）と第２蓋部８（側壁３０）とは、第１蓋部６及び第２蓋部８と一体に形成されたヒンジ部３６を介して互いに連結されており、ヒンジ部３６を支点に開閉される。なお、第１蓋部６、第２蓋部８、及びヒンジ部３６は、必ずしも一体に形成されなくて良い。 As shown in FIG. 1, the first lid portion 6 (side wall 22) and the second lid portion 8 (side wall 30) form a hinge portion 36 integrally formed with the first lid portion 6 and the second lid portion 8. They are connected to each other via a hinge portion 36 and are opened and closed with the hinge portion 36 as a fulcrum. The first lid portion 6, the second lid portion 8, and the hinge portion 36 do not necessarily have to be integrally formed.

このヒンジ部３６を支点に第１蓋部６と第２蓋部８とを閉じると、例えば、ヒンジ部３６の反対側に位置する側壁２２の一部と側壁３０の一部とが互いに接触する。一方で、ヒンジ部３６を支点に第１蓋部６と第２蓋部８とを開くと、ヒンジ部３６の反対側に位置する側壁２２の一部と側壁３０の一部とは分離される。 When the first lid portion 6 and the second lid portion 8 are closed with the hinge portion 36 as a fulcrum, for example, a part of the side wall 22 located on the opposite side of the hinge portion 36 and a part of the side wall 30 come into contact with each other. .. On the other hand, when the first lid portion 6 and the second lid portion 8 are opened with the hinge portion 36 as a fulcrum, a part of the side wall 22 and a part of the side wall 30 located on the opposite side of the hinge portion 36 are separated. ..

図２（Ａ）及び図２（Ｂ）に示すように、ヒンジ部３６の反対側に位置する側壁２２及び側壁３０の外周面には、第１蓋部６と第２蓋部８とを閉じた状態に保つためのロック部３８が設けられている。ロック部３８は、例えば、側壁２２側のかぎ爪部４０と側壁３０側の突起部４２とで構成されている。突起部４２にかぎ爪部４０を係合（ロック）させることで、第１蓋部６と第２蓋部８とは閉じた状態に保たれる。 As shown in FIGS. 2A and 2B, the first lid portion 6 and the second lid portion 8 are closed on the outer peripheral surfaces of the side wall 22 and the side wall 30 located on the opposite sides of the hinge portion 36. A lock portion 38 is provided to keep the lock portion 38 in a closed state. The lock portion 38 is composed of, for example, a claw portion 40 on the side wall 22 side and a protrusion 42 on the side wall 30 side. By engaging (locking) the claw portion 40 with the protrusion portion 42, the first lid portion 6 and the second lid portion 8 are kept in a closed state.

切削ブレード１１をブレードケース２に収容する際には、図３（Ａ）に示すように、まず、収容部４の第１凸部１４を基台１３の孔１３ａに挿入し、第２凸部１６に基台１３の裏面側を接触させる。これにより、切削ブレード１１が、収容部４の第１収容領域に収容される。 When accommodating the cutting blade 11 in the blade case 2, as shown in FIG. 3A, first, the first convex portion 14 of the accommodating portion 4 is inserted into the hole 13a of the base 13, and the second convex portion is accommodated. The back surface side of the base 13 is brought into contact with 16. As a result, the cutting blade 11 is accommodated in the first accommodating area of the accommodating portion 4.

次に、第１蓋部６と第２蓋部８とを閉じ、そのネジ山２６、３４を収容部４のネジ溝１８に接触させる。この状態で、例えば、第１蓋部６及び第２蓋部８を収容部４に対して第１方向に回転させ、ネジ溝１８にネジ山２６、３４をねじ込むことで、第１蓋部６及び第２蓋部８を収容部４に取り付けることができる。 Next, the first lid portion 6 and the second lid portion 8 are closed, and the threads 26 and 34 are brought into contact with the screw groove 18 of the accommodating portion 4. In this state, for example, the first lid portion 6 and the second lid portion 8 are rotated in the first direction with respect to the accommodating portion 4, and the threads 26 and 34 are screwed into the screw groove 18, so that the first lid portion 6 is formed. And the second lid portion 8 can be attached to the accommodating portion 4.

上述のように、第１蓋部６には、切削ブレード１１の被把持部１３ｂと係合する係合爪２４が設けられており、第２蓋部８には、被把持部１３ｂと係合する係合爪３２が設けられている。そのため、第１収容領域に切削ブレード１１を収容した状態で、第１蓋部６及び第２蓋部８を収容部４に取り付けると、係合爪２４、３２は、被把持部１３ｂと係合する。 As described above, the first lid portion 6 is provided with the engaging claw 24 that engages with the gripped portion 13b of the cutting blade 11, and the second lid portion 8 is provided with the engaging portion 13b that engages with the gripped portion 13b. An engaging claw 32 is provided. Therefore, when the first lid portion 6 and the second lid portion 8 are attached to the accommodating portion 4 with the cutting blade 11 accommodated in the first accommodating region, the engaging claws 24 and 32 engage with the gripped portion 13b. To do.

図３（Ｂ）は、収容部４から第１蓋部６及び第２蓋部８が取り外された状態を模式的に示す断面図である。収容部４から第１蓋部６及び第２蓋部８を取り外すには、例えば、収容部４に対して第１蓋部６及び第２蓋部８を第１方向と反対の第２方向に回転させる。これにより、ネジ山２６、３４をネジ溝１８から緩めて、第１蓋部６及び第２蓋部８を収容部４から取り外すことができる。 FIG. 3B is a cross-sectional view schematically showing a state in which the first lid portion 6 and the second lid portion 8 are removed from the accommodating portion 4. To remove the first lid portion 6 and the second lid portion 8 from the accommodating portion 4, for example, the first lid portion 6 and the second lid portion 8 are placed in the second direction opposite to the first direction with respect to the accommodating portion 4. Rotate. As a result, the threads 26 and 34 can be loosened from the screw groove 18, and the first lid portion 6 and the second lid portion 8 can be removed from the accommodating portion 4.

上述のように、第１蓋部６の係合爪２４及び第２蓋部８の係合爪３２は、切削ブレード１１の被把持部１３ｂと係合している。そのため、第１蓋部６及び第２蓋部８を収容部４から取り外すと、図３（Ｂ）に示すように、切削ブレード１１は、第１蓋部６の係合爪２４及び第２蓋部８の係合爪３２によって把持されたまま収容部４から取り出される。 As described above, the engaging claw 24 of the first lid portion 6 and the engaging claw 32 of the second lid portion 8 are engaged with the gripped portion 13b of the cutting blade 11. Therefore, when the first lid portion 6 and the second lid portion 8 are removed from the accommodating portion 4, the cutting blade 11 has the engaging claw 24 and the second lid of the first lid portion 6 as shown in FIG. 3 (B). It is taken out from the accommodating portion 4 while being gripped by the engaging claw 32 of the portion 8.

次に、この切削ブレード１１を回転軸に装着する手順の例を説明する。図４（Ａ）、図４（Ｂ）、及び図４（Ｃ）は、切削ブレードを回転軸に装着するための手順を模式的に示す斜視図である。まず、切削ブレード１１が装着される回転軸を含む切削ユニットの概略について説明する。 Next, an example of the procedure for mounting the cutting blade 11 on the rotating shaft will be described. 4 (A), 4 (B), and 4 (C) are perspective views schematically showing a procedure for mounting the cutting blade on the rotating shaft. First, the outline of the cutting unit including the rotating shaft on which the cutting blade 11 is mounted will be described.

図４（Ａ）、図４（Ｂ）、及び図４（Ｃ）に示すように、切削ユニット５２は、切削装置の移動機構等に固定されるハウジング５４を備えている。ハウジング５４には、回転軸（スピンドル）５６が支持されている。回転軸５６の前端部５６ａは、ハウジング５４の外部に露出している。この前端部５６ａは、例えば、円筒状に形成されており、前端部５６ａの外周の径は、切削ブレード１１の孔１３ａの径と概ね同じである。 As shown in FIGS. 4 (A), 4 (B), and 4 (C), the cutting unit 52 includes a housing 54 fixed to a moving mechanism of a cutting device or the like. A rotating shaft (spindle) 56 is supported on the housing 54. The front end portion 56a of the rotating shaft 56 is exposed to the outside of the housing 54. The front end portion 56a is formed in a cylindrical shape, for example, and the diameter of the outer circumference of the front end portion 56a is substantially the same as the diameter of the hole 13a of the cutting blade 11.

ハウジング５４の前方には、回転軸５６に装着される切削ブレード１１等を収容するためのブレードカバー５８が設けられている。ブレードカバー５８は、ハウジング５４の前部に固定される固定カバー６０と、固定カバー６０に対してスライドされるスライドカバー６２とを含んでいる。 A blade cover 58 for accommodating a cutting blade 11 or the like mounted on the rotating shaft 56 is provided in front of the housing 54. The blade cover 58 includes a fixed cover 60 that is fixed to the front portion of the housing 54 and a slide cover 62 that slides against the fixed cover 60.

スライドカバー６２は、エアシリンダ等でなるスライド機構６４を介して固定カバー６０に連結されており、エア供給路６８等を通じて供給されるエアによってスライドする。例えば、切削ブレード１１を回転軸５６に装着した後に、スライドカバー６２をスライドさせて閉じれば、切削ブレード１１をブレードカバー５８の内側に収容できる。 The slide cover 62 is connected to the fixed cover 60 via a slide mechanism 64 including an air cylinder or the like, and slides by air supplied through the air supply path 68 or the like. For example, if the cutting blade 11 is attached to the rotating shaft 56 and then the slide cover 62 is slid and closed, the cutting blade 11 can be accommodated inside the blade cover 58.

スライドカバー６２には、切削ブレード１１の下部を前後に挟む略Ｌ字状の一対のノズル７０が設けられている。ノズル７０には、切削水供給路７２等を通じて切削水が供給される。ノズル７０の先端側には、切削ブレード１１に対面する複数のスリット（不図示）が形成されている。複数のスリットを通じて噴射される切削水によって、切削ブレード１１や被加工物は、冷却、洗浄される。 The slide cover 62 is provided with a pair of substantially L-shaped nozzles 70 that sandwich the lower portion of the cutting blade 11 in the front-rear direction. Cutting water is supplied to the nozzle 70 through the cutting water supply path 72 and the like. A plurality of slits (not shown) facing the cutting blade 11 are formed on the tip end side of the nozzle 70. The cutting blade 11 and the workpiece are cooled and washed by the cutting water sprayed through the plurality of slits.

一方で、固定カバー６０にも、切削ブレード１１に切削水を供給するためのノズル（不図示）が設けられている。切削水供給路７４等を通じてこのノズルから供給される切削水によって、切削ブレード１１や被加工物は、冷却、洗浄される。 On the other hand, the fixed cover 60 is also provided with a nozzle (not shown) for supplying cutting water to the cutting blade 11. The cutting blade 11 and the workpiece are cooled and washed by the cutting water supplied from the nozzle through the cutting water supply path 74 and the like.

切削ブレード１１を回転軸５６に装着する際には、図１に示すように、まず、スライドカバー６２をスライドさせて開き、回転軸５６の前端部５６ａに対して切削ブレード１１を装着し易くする。次に、第１蓋部６の係合爪２４及び第２蓋部８の係合爪３２によって把持された状態の切削ブレード１１の孔１３ａと、回転軸５６の前端部５６ａとの位置を合わせる。 When mounting the cutting blade 11 on the rotary shaft 56, as shown in FIG. 1, first, the slide cover 62 is slid open to facilitate mounting the cutting blade 11 on the front end portion 56a of the rotary shaft 56. .. Next, the holes 13a of the cutting blade 11 held by the engaging claws 24 of the first lid portion 6 and the engaging claws 32 of the second lid portion 8 are aligned with the front end portion 56a of the rotating shaft 56. ..

そして、この孔１３ａに前端部５６ａを挿入するように、第１蓋部６及び第２蓋部８を前端部５６ａに向けて移動させる。図４（Ｂ）に示すように、孔１３ａに前端部５６ａが挿入された後には、ロック部３８を構成するかぎ爪部４０と突起部４２との係合（ロック）を解除して、図４（Ｃ）に示すように、第１蓋部６と第２蓋部８とを開く。その結果、係合爪２４、３２と被把持部１３ｂとの係合も解除されて、回転軸５６に装着された切削ブレード１１から第１蓋部６と第２蓋部８とを取り外すことができる。 Then, the first lid portion 6 and the second lid portion 8 are moved toward the front end portion 56a so as to insert the front end portion 56a into the hole 13a. As shown in FIG. 4B, after the front end portion 56a is inserted into the hole 13a, the engagement (lock) between the claw portion 40 constituting the lock portion 38 and the protrusion 42 is released, and FIG. As shown in 4 (C), the first lid portion 6 and the second lid portion 8 are opened. As a result, the engagement between the engaging claws 24 and 32 and the gripped portion 13b is also released, and the first lid portion 6 and the second lid portion 8 can be removed from the cutting blade 11 mounted on the rotating shaft 56. it can.

以上のように、本実施形態に係るブレードケースは、切削ブレード１１の被把持部１３ｂに係合する係合爪（第１係合爪）２４を有する第１蓋部６と、被把持部１３ｂに係合する係合爪（第２係合爪）３２を有する第２蓋部８と、を備え、この第１蓋部６と第２蓋部８とは、ヒンジ部３６の反対側に位置する側壁２２の一部（第１蓋部６の一部）と側壁３０の一部（第２蓋部８の一部）とが接触及び分離できる態様で互いに連結される。 As described above, the blade case according to the present embodiment has a first lid portion 6 having an engaging claw (first engaging claw) 24 that engages with the gripped portion 13b of the cutting blade 11, and a gripped portion 13b. A second lid portion 8 having an engaging claw (second engaging claw) 32 that engages with the first lid portion 6 and the second lid portion 8 are located on opposite sides of the hinge portion 36. A part of the side wall 22 (a part of the first lid portion 6) and a part of the side wall 30 (a part of the second lid portion 8) are connected to each other in a manner that allows contact and separation.

ヒンジ部３６の反対側に位置する側壁２２の一部と側壁３０の一部とが接触した状態では、係合爪２４、３２によって切削ブレード１１を把持し、第１蓋部６と第２蓋部８とで切削ブレード１１を保護できる。ヒンジ部３６の反対側に位置する側壁２２の一部と側壁３０の一部とが分離されると、係合爪２４、３２による切削ブレード１１の把持は解除される。 When a part of the side wall 22 located on the opposite side of the hinge portion 36 and a part of the side wall 30 are in contact with each other, the cutting blade 11 is gripped by the engaging claws 24 and 32, and the first lid portion 6 and the second lid portion 6 and the second lid are held. The cutting blade 11 can be protected by the portion 8. When the part of the side wall 22 and the part of the side wall 30 located on the opposite side of the hinge portion 36 are separated, the gripping of the cutting blade 11 by the engaging claws 24 and 32 is released.

そのため、係合爪２４、３２によって切削ブレード１１を把持することで、第１蓋部６と第２蓋部８とで切削ブレード１１を保護しながら、この切削ブレード１１を回転軸５６に装着できる。例えば、切削ブレード１１を回転軸５６に装着した後には、ヒンジ部３６の反対側に位置する側壁２２の一部と側壁３０の一部とを分離させて、係合爪２４、３２による切削ブレード１１の把持を解除すれば良い。 Therefore, by gripping the cutting blade 11 with the engaging claws 24 and 32, the cutting blade 11 can be mounted on the rotating shaft 56 while the cutting blade 11 is protected by the first lid portion 6 and the second lid portion 8. .. For example, after the cutting blade 11 is attached to the rotating shaft 56, a part of the side wall 22 located on the opposite side of the hinge portion 36 and a part of the side wall 30 are separated, and the cutting blade by the engaging claws 24 and 32 is used. The grip of 11 may be released.

このように、本実施形態に係るブレードケース２によれば、第１蓋部６と第２蓋部８とで切削ブレード１１を保護しながら、切削ブレード１１を回転軸５６に装着できるので、切削ブレード１１を回転軸５６に装着する際に切刃１５が破損する可能性を低く抑えられる。 As described above, according to the blade case 2 according to the present embodiment, the cutting blade 11 can be mounted on the rotating shaft 56 while the cutting blade 11 is protected by the first lid portion 6 and the second lid portion 8, so that the cutting can be performed. When the blade 11 is mounted on the rotating shaft 56, the possibility that the cutting blade 15 is damaged can be suppressed to a low level.

本発明は、上記実施形態等の記載に制限されず種々変更して実施可能である。例えば、上記実施形態では、ヒンジ部３６を介して第１蓋部６と第２蓋部８とを連結しているが、第１蓋部６と第２蓋部８とは、必ずしも連結されていなくて良い。すなわち、第１蓋部６と第２蓋部８とは、分離されていても良い。この場合には、例えば、ロック部３８と同様のロック部をヒンジ部３６の代わりに設けて、第１蓋部６と第２蓋部８とを連結できるようにしておけば良い。 The present invention is not limited to the description of the above embodiment and can be implemented with various modifications. For example, in the above embodiment, the first lid portion 6 and the second lid portion 8 are connected via the hinge portion 36, but the first lid portion 6 and the second lid portion 8 are not necessarily connected. You don't have to. That is, the first lid portion 6 and the second lid portion 8 may be separated from each other. In this case, for example, a lock portion similar to the lock portion 38 may be provided instead of the hinge portion 36 so that the first lid portion 6 and the second lid portion 8 can be connected to each other.

その他、上記実施形態及び変形例に係る構造、方法等は、本発明の目的の範囲を逸脱しない限りにおいて適宜変更できる。 In addition, the structure, method, etc. according to the above-described embodiments and modifications can be appropriately changed as long as they do not deviate from the scope of the object of the present invention.

２ ブレードケース
４ 収容部
６ 第１蓋部
８ 第２蓋部
１０ 底板
１０ａ 第１面（一方の面）
１２ 側壁（収容部側壁）
１４ 第１凸部
１６ 第２凸部
１８ ネジ溝（雌ネジ）
２０ 天板（第１天板）
２０ａ 第１面（一方の面）
２２ 側壁（第１蓋部側壁）
２４ 係合爪（第１係合爪）
２６ ネジ山（第１雄ネジ）
２８ 天板（第２天板）
２８ａ 第１面（一方の面）
３０ 側壁（第２蓋部側壁）
３２ 係合爪（第２係合爪）
３４ ネジ山（第２雄ネジ）
３６ ヒンジ部
３８ ロック部
４０ かぎ爪部
４２ 突起部
５２ 切削ユニット
５４ ハウジング
５６ 回転軸（スピンドル）
５６ａ 前端部
５８ ブレードカバー
６０ 固定カバー
６２ スライドカバー
６４ スライド機構
６８ エア供給路
７０ ノズル
７２ 切削水供給路
７４ 切削水供給路
１１ 切削ブレード
１３ 基台
１３ａ 孔（挿入孔）
１３ｂ 被把持部
１５ 切刃 2 Blade case 4 Accommodating part 6 1st lid part 8 2nd lid part 10 Bottom plate 10a 1st surface (one surface)
12 Side wall (side wall of accommodating part)
14 1st convex part 16 2nd convex part 18 Thread groove (female screw)
20 Top plate (1st top plate)
20a First side (one side)
22 Side wall (1st lid side wall)
24 Engagement claw (1st engagement claw)
26 Thread (1st male screw)
28 Top plate (second top plate)
28a First side (one side)
30 side wall (second lid side wall)
32 Engagement claw (2nd engagement claw)
34 Thread (2nd male screw)
36 Hinge 38 Lock 40 Claw 42 Protrusion 52 Cutting unit 54 Housing 56 Rotating shaft (spindle)
56a Front end 58 Blade cover 60 Fixed cover 62 Slide cover 64 Slide mechanism 68 Air supply path 70 Nozzle 72 Cutting water supply path 74 Cutting water supply path 11 Cutting blade 13 Base 13a Hole (insertion hole)
13b Grasp gripped part 15 Cutting edge

Claims (2)

表面側から裏面側に貫通し回転軸が挿入される挿入孔、及び該挿入孔を囲み表面側に突出する被把持部を有する環状の基台と、該基台の外周部から該基台の径方向外側に突出する環状の切刃と、を備える切削ブレードを収容するブレードケースであって、
底板、及び該底板の一方の面の外周部に一端が接続され他端側に雌ネジが形成された収容部側壁を有し、該収容部側壁の内側に該切削ブレードを該裏面側から収容するための収容領域が形成された収容部と、
該底板の一部に対応する第１天板、該収容部側壁の一部に対応し該第１天板の一方の面の外周部に一端が接続され他端側に第１雄ネジが形成された第１蓋部側壁、及び該第１天板の該一方の面に設けられ該被把持部に係合する第１係合爪を有する第１蓋部と、
該底板の他の一部に対応する第２天板、該収容部側壁の他の一部に対応し該第２天板の一方の面の外周部に一端が接続され他端側に第２雄ネジが形成された第２蓋部側壁、及び該第２天板の該一方の面に設けられ該被把持部に係合する第２係合爪を有する第２蓋部と、を備え、
該第１蓋部と該第２蓋部とは、該第１蓋部の一部と該第２蓋部の一部とが接触及び分離できる態様で互いに連結され、該第１蓋部の一部と該第２蓋部の一部とが接触した状態では、第１係合爪と第２係合爪とによって該切削ブレードを把持でき、該第１蓋部の一部と該第２蓋部の一部とが分離されると、該切削ブレードの把持が解除され、
該第１蓋部の一部と該第２蓋部の一部とが接触した状態で、該第１雄ネジ及び該第２雄ネジを該雌ネジにねじ込むことによって、該第１蓋部及び該第２蓋部が該収容部に取り付けられることを特徴とするブレードケース。 An annular base having an insertion hole through which a rotation shaft is inserted from the front surface side to the back surface side, and a gripped portion that surrounds the insertion hole and protrudes to the front surface side, and an annular base from the outer peripheral portion of the base to the base. A blade case for accommodating a cutting blade including an annular cutting blade that protrudes outward in the radial direction.
It has a bottom plate and a side wall of an accommodating portion in which one end is connected to the outer peripheral portion of one surface of the bottom plate and a female screw is formed on the other end side , and the cutting blade is accommodated from the back surface side inside the side wall of the accommodating portion. And the accommodation part where the accommodation area was formed
One end is connected to the outer peripheral portion of one surface of the first top plate corresponding to a part of the bottom plate and a part of the side wall of the accommodating portion, and a first male screw is formed on the other end side. a first lid having been first lid side wall, and the first engaging claws for engaging to said grip portion provided on said one surface of said first ceiling plate,
One end is connected to the outer peripheral portion of one surface of the second top plate corresponding to the other part of the bottom plate and the other part of the side wall of the accommodating portion, and the second top plate is connected to the other end side. A second lid side wall on which a male screw is formed, and a second lid portion provided on one surface of the second top plate and having a second engaging claw that engages with the gripped portion are provided.
The first lid portion and the second lid portion are connected to each other in such a manner that a part of the first lid portion and a part of the second lid portion can be contacted and separated from each other, and one of the first lid portions. In a state where the portion and a part of the second lid portion are in contact with each other, the cutting blade can be gripped by the first engaging claw and the second engaging claw, and the part of the first lid portion and the second lid portion can be gripped. When a part of the portion is separated, the grip of the cutting blade is released, and the grip is released .
By screwing the first male screw and the second male screw into the female screw in a state where a part of the first lid portion and a part of the second lid portion are in contact with each other, the first lid portion and the first lid portion and the second male screw are screwed into the female screw. blade case that said second lid and said Rukoto attached to the housing portion. 該第１蓋部側壁と該第２蓋部側壁とを連結するヒンジ部と、
該第１蓋部の一部と該第２蓋部の一部とが接触した状態を保つロック部と、を更に備えることを特徴とする請求項１に記載のブレードケース。 A hinge portion connecting the first lid side wall and the second lid side wall,
The blade case according to claim 1, further comprising a lock portion that keeps a part of the first lid portion and a part of the second lid portion in contact with each other.
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JPH0671488U (en) * 1993-03-12 1994-10-07 株式会社ケイ・アイ・ドリル Storage container for cutting tools
JP3783165B2 (en) * 1995-05-26 2006-06-07 株式会社ディスコ Blade case
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JP5101979B2 (en) * 2007-10-15 2012-12-19 株式会社ディスコ Blade case
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