JP2016043432A - Tool post of drill boring device - Google Patents

Tool post of drill boring device Download PDF

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Publication number
JP2016043432A
JP2016043432A JP2014168012A JP2014168012A JP2016043432A JP 2016043432 A JP2016043432 A JP 2016043432A JP 2014168012 A JP2014168012 A JP 2014168012A JP 2014168012 A JP2014168012 A JP 2014168012A JP 2016043432 A JP2016043432 A JP 2016043432A
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holder
drill
tool post
spring
ring
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JP6419486B2 (en
Inventor
啓一 鴨志田
Keiichi Kamoshita
啓一 鴨志田
佳佑 大田
Keisuke Ota
佳佑 大田
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Via Mechanics Ltd
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Via Mechanics Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a tool post which can safely receive drills even if the drills have different ring outer diameters.SOLUTION: A tool post including: plural holder pieces 7 for constituting a holder part 8; a storage part in which a lower part of the holder piece 7 is stored; a component 11 which is disposed in the storage part and so connect the lower parts of the holder pieces 7 that the holder pieces are rotatable; a movable body 5 which can vertically move in the storage part and contacts the lower part of the holder piece at a taper surface in an inverted V-shaped direction; and a spring 4 which pushes up the movable body 5 from a lower side in the storage part, in which when a diameter of the holder 8 is increased, a reaction force is generated by the spring 4.SELECTED DRAWING: Figure 1

Description

本発明は、テーブルに載置されたプリント基板の如き基板にドリルを用いて穴明けを行うドリル穴明け装置において、ドリルを交換する際にドリルを一時的に保持するためのツールポストに関する。   The present invention relates to a tool post for temporarily holding a drill when exchanging a drill in a drilling device for drilling a substrate such as a printed circuit board placed on a table using a drill.

ドリル穴明け装置においては、特許文献１及び２に開示されているように、ドリルを交換する場合に古いドリルや新しいドリルを一時的に保持しておくためのツールポストが備えられる。   In the drilling device, as disclosed in Patent Documents 1 and 2, a tool post for temporarily holding an old drill or a new drill when replacing the drill is provided.

特開平2000−42996号公報JP 2000-42996 A 特開平2002−307220号公報Japanese Patent Laid-Open No. 2002-307220

通常、外径の異なるドリルであっても、ドリルのシャンク部に同じ外径のリングをはめ込むことによってツールポストでの受入れを容易にしているが、リング外径が異なるドリルが混在して使用される場合があり、このようなドリルがツールポストに挿入されると、ツールポストの受入れ口を破損させたり、正常な状態でドリルを保持することができない問題点があった。   Normally, even drills with different outer diameters can be easily received by the tool post by fitting a ring with the same outer diameter into the shank of the drill, but drills with different ring outer diameters are used together. When such a drill is inserted into the tool post, there is a problem that the receiving hole of the tool post is damaged or the drill cannot be held in a normal state.

そこで、本発明は、リング外径が異なるドリルでも安全に受入れることができるツールポストを提供することを目的とするものである。   Accordingly, an object of the present invention is to provide a tool post that can be safely received even by a drill having a different ring outer diameter.

上記課題を解決するため、請求項１に記載のツールポストにおいては、基板に穴明けを行うためのドリルを交換する際にドリルを一時的に保持するためのツールポストであって挿入されたドリルリングを所定位置で止め当該位置に保持するホルダ部を有するものにおいて、前記ホルダ部を構成するための複数のホルダ片と、当該ホルダ片の下方部が収容される収容部と、当該収容部内にあって前記下方部を前記ホルダ片を回転可能にして連結する部材と、前記収容部内で上下動ができる移動体であって前記下方部と山型方向のテーパ面で接触するものと、前記収容部内で前記移動体を下方から押上げるスプリングとを備え、前記ホルダ部の径が大きくなろうとする場合に前記スプリングによって抗力が起きるようにしたことを特徴とする。   In order to solve the above-mentioned problem, the tool post according to claim 1, wherein the drill is a tool post for temporarily holding the drill when the drill for drilling the substrate is exchanged. In what has a holder part which stops a ring in a predetermined position and holds it in the position, a plurality of holder pieces for constituting the holder part, a receiving part in which a lower part of the holder piece is accommodated, and in the accommodating part A member that connects the lower part with the holder piece being rotatable, a movable body that can move up and down in the housing part, and that contacts the lower part with a taper surface in a mountain-shaped direction, and the housing And a spring that pushes up the movable body from below within the portion, and when the diameter of the holder portion is to be increased, a drag is generated by the spring.

本発明によれば、リング外径が異なるドリルでも安全に受入れることができるツールポストを提供することができる。   ADVANTAGE OF THE INVENTION According to this invention, the tool post which can be safely received also with the drill from which a ring outer diameter differs can be provided.

本発明の一実施例となるツールポストに大きい外径を持つドリルリング付いたドリルが挿入された場合の動作を説明するための図である。It is a figure for demonstrating operation | movement when the drill with a drill ring with a large outer diameter is inserted in the tool post used as one Example of this invention. 本発明の一実施例となるツールポストに標準の外径を持つドリルリング付いたドリルが挿入された場合の動作を説明するための図である。It is a figure for demonstrating operation | movement when the drill with the drill ring which has a standard outer diameter is inserted in the tool post used as one Example of this invention. 本発明の一実施例となるツールポストの平面図である。It is a top view of the tool post used as one example of the present invention. 図３におけるＡ−Ａ断面図である。It is AA sectional drawing in FIG.

以下、本発明の一実施例について説明する。図３は本発明の一実施例となるツールポストの平面図、図４は図３におけるＡ−Ａ断面図である。
図３と４において、１は円形の貫通孔２が形成された円形のスリーブである。貫通孔２の上方部分の径は若干小さく、下方部分の径は若干大きい。貫通孔２の下端部分には底板３が固定されている。底板３の上側にはスプリング４を介してドーナツ状のスライダ５が置かれ、貫通孔２内で上下動できるようになっている。スライダ５の上部には、互いにギャップ６で離間している４つのホルダ片７から成るホルダ部８が組立てられている。 Hereinafter, an embodiment of the present invention will be described. FIG. 3 is a plan view of a tool post according to an embodiment of the present invention, and FIG. 4 is a cross-sectional view taken along line AA in FIG.
3 and 4, reference numeral 1 denotes a circular sleeve in which a circular through hole 2 is formed. The diameter of the upper part of the through hole 2 is slightly smaller, and the diameter of the lower part is slightly larger. A bottom plate 3 is fixed to the lower end portion of the through hole 2. A donut-shaped slider 5 is placed on the upper side of the bottom plate 3 via a spring 4 so that it can move up and down in the through hole 2. On the upper part of the slider 5, a holder portion 8 composed of four holder pieces 7 separated from each other by a gap 6 is assembled.

ホルダ片７はスリーブ1から突出している部分とスリーブ1内に収容されている部分とがある。スリーブ1内に収容されているホルダ片７の下方部にはコ字型の溝１０が外周側に形成されており、ここに４つのホルダ片７をスリーブ1内で連結するための連結リング１１がはめ込まれている。スライダ５の上部には、山型となる方向のテーパ部１２が形成してあり、ドリルが挿入されていない場合、スプリング４で押上げられているスライダ５のテーパ部１２はホルダ片７の下方部に形成されたテーパ面と接触した状態になっている。   The holder piece 7 has a portion protruding from the sleeve 1 and a portion accommodated in the sleeve 1. A U-shaped groove 10 is formed on the outer peripheral side in the lower part of the holder piece 7 accommodated in the sleeve 1, and a connecting ring 11 for connecting the four holder pieces 7 in the sleeve 1 here. Is inserted. An upper portion of the slider 5 is formed with a taper portion 12 in a mountain-shaped direction. When no drill is inserted, the taper portion 12 of the slider 5 pushed up by the spring 4 is located below the holder piece 7. It is in the state which contacted the taper surface formed in the part.

ホルダ片７のスリーブ1から突出している部分においては、上端部はドリルリングの挿入が容易になるよう、最上端に向かって徐々に肉厚が小さくなっている。また、挿入されたドリルリングのそれ以上の進入を止め、その位置に保
持しておくためのストッパ部９を形成するため、ある深さのところから内径が小さくなっている。 In the portion of the holder piece 7 protruding from the sleeve 1, the upper end portion gradually decreases in thickness toward the uppermost end so that the drill ring can be easily inserted. Further, since the stopper portion 9 is formed to stop further insertion of the inserted drill ring and keep it in that position, the inner diameter is reduced from a certain depth.

以上の構造のツールポストの動作は以下の通りである。
上記の状態で、標準ではない大きい外径を持つドリルリング１３の付いたドリル１４が挿入された場合、ホルダ部８の径が大きくなろうとするため、各ホルダ片７が連結リング１１を中心にして外側方向に回転する。この際、各ホルダ片７の下方部にあるテーパ面際の鋭角部がスライダ５のテーパ部１２をスプリング４の力に逆らって押下げる格好になるので、ホルダ片７が内側方向に力を与えられた状態で、ホルダ部８はドリルリング１３を受入れ、ホルダ片７の内周側に設けられたストッパ部９まで進入させ、この位置で保持される。図１はこの状態を示している。 The operation of the tool post having the above structure is as follows.
In the above state, when the drill 14 with the drill ring 13 having a large non-standard outer diameter is inserted, the diameter of the holder portion 8 tends to increase, so that each holder piece 7 is centered on the connection ring 11. Rotate outward. At this time, since the acute angle portion near the taper surface at the lower portion of each holder piece 7 is shaped to push down the taper portion 12 of the slider 5 against the force of the spring 4, the holder piece 7 applies a force inwardly. In this state, the holder portion 8 receives the drill ring 13 and enters the stopper portion 9 provided on the inner peripheral side of the holder piece 7 and is held at this position. FIG. 1 shows this state.

一方、標準となる外径を持つドリルリング１５の付いたドリル１６が挿入された場合、ホルダ部８の径が若干大きくなろうとするため、各ホルダ片７が外側方向に撓むか、及びあるいは各ホルダ片７が連結リング１１を中心にして若干外側方向に回転する。これにより、ホルダ片７が内側方向に力を与えられた状態で、ホルダ部８はドリルリング１５を受入れ、ホルダ片７に設けられたストッパ部９まで進入させ、この位置で保持される。図２はこの状態を示している。   On the other hand, when a drill 16 with a drill ring 15 having a standard outer diameter is inserted, the diameter of the holder portion 8 tends to increase slightly, so that each holder piece 7 bends outward and / or The holder piece 7 rotates slightly outwardly about the connecting ring 11. Thereby, in a state where the holder piece 7 is applied inward, the holder portion 8 receives the drill ring 15 and enters the stopper portion 9 provided on the holder piece 7 and is held at this position. FIG. 2 shows this state.

上記実施形態によれば、ドリルリングの外径が標準の場合でも、それより大きい場合でも、ドリルを安全に受入れ、抗力をもって所定の位置に保持することができる。   According to the above embodiment, even when the outer diameter of the drill ring is standard or larger, the drill can be safely received and held in place with a drag force.

上記実施形態においては、ホルダ片７は４個の場合を示したが、少なくとも２個あれば良く、５個以上であっても良い。また、ホルダ片７の下方部を連結リング１１によって連結したが、各ホルダ片７が外側方向に回転できるなら、他の手段であっても良い。   In the said embodiment, although the case where the number of the holder pieces 7 was four was shown, at least two may be sufficient and five or more may be sufficient. Moreover, although the lower part of the holder piece 7 was connected by the connection ring 11, as long as each holder piece 7 can rotate to an outer side, another means may be sufficient.

１：スリーブ ２：貫通孔 ３：底板 ４：スプリング ５：スライダ
６：ギャップ ７：ホルダ片 ８：ホルダ部 ９：ストッパ部 １０：溝
１１：連結リング １２：テーパ部 １３、１５：ドリルリング
１４、１６：ドリル
1: Sleeve 2: Through hole 3: Bottom plate 4: Spring 5: Slider 6: Gap 7: Holder piece 8: Holder part 9: Stopper part 10: Groove 11: Connection ring 12: Tapered part 13, 15: Drill ring 14, 16: Drill

Claims (1)

基板に穴明けを行うためのドリルを交換する際にドリルを一時的に保持するためのツールポストであって挿入されたドリルリングを所定位置で止め当該位置に保持するホルダ部を有するものにおいて、前記ホルダ部を構成するための複数のホルダ片と、当該ホルダ片の下方部が収容される収容部と、当該収容部内にあって前記下方部を前記ホルダ片を回転可能にして連結する部材と、前記収容部内で上下動ができる移動体であって前記下方部と山型方向のテーパ面で接触するものと、前記収容部内で前記移動体を下方から押上げるスプリングとを備え、前記ホルダ部の径が大きくなろうとする場合に前記スプリングによって抗力が起きるようにしたことを特徴とするツールポスト。

In a tool post for temporarily holding a drill when exchanging a drill for drilling a substrate, and having a holder part that stops an inserted drill ring at a predetermined position and holds it at the position, A plurality of holder pieces for constituting the holder part; a housing part for housing a lower part of the holder piece; and a member in the housing part for connecting the lower part so that the holder part is rotatable. A movable body that can move up and down in the housing portion, and that contacts the lower portion with a taper surface in a mountain-shaped direction, and a spring that pushes up the movable body from below in the housing portion, and the holder portion A tool post in which drag is generated by the spring when the diameter of the tool is to be increased.

JP2014168012A 2014-08-21 2014-08-21 Tool post for drilling equipment Active JP6419486B2 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110744623B (en) * 2019-09-17 2021-03-09 广州赢帝工业设计有限公司 Printed circuit board manufacturing equipment with anti-skidding function and in-hole burr removing function

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JP2000280133A (en) * 1999-03-30 2000-10-10 Hitachi Via Mechanics Ltd Drill retainer for printed circuit board machining apparatus
JP2002307220A (en) * 2001-04-09 2002-10-23 Hitachi Via Mechanics Ltd Method of machining workpiece, and printed circuit board boring machine
JP2002361536A (en) * 2001-06-05 2002-12-18 Afuteisu:Kk Drill attaching method and drill detaching method of drilling device
JP2010234490A (en) * 2009-03-31 2010-10-21 Hitachi Via Mechanics Ltd Tool post of working machine for printed circuit board
CN104002206A (en) * 2013-02-21 2014-08-27 协竑企业有限公司 Tiny drill bit insertion method and insertion and taking device

Patent Citations (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2172070A (en) * 1938-03-26 1939-09-05 Carl A Palmgren Chuck
US2478382A (en) * 1944-04-04 1949-08-09 Chicago Pneumatic Tool Co Driver for dimpling mandrels
JPS573539U (en) * 1980-06-10 1982-01-09
JPS573538U (en) * 1980-06-10 1982-01-09
JPS57173441A (en) * 1981-04-21 1982-10-25 Takeuchi Seisakusho:Kk Detector for presence of tool in automatic tool exchanger
JPS58160740U (en) * 1982-04-21 1983-10-26 日立精工株式会社 Tool post for printed circuit board drilling machine
JPS59132741U (en) * 1983-02-26 1984-09-05 株式会社竹内製作所 Tool holder for automatic tool changer
JPS59205207A (en) * 1983-03-25 1984-11-20 ギユンタ−・ホルスト・レ−ム Chucking device for striking drilling drill
JPS59172408U (en) * 1983-05-02 1984-11-17 日本精密機械工作株式会社 Check
JPS60109836U (en) * 1983-12-28 1985-07-25 日立精工株式会社 Tool post for automatic drill changer
JPH06634U (en) * 1992-05-29 1994-01-11 安藤電気株式会社 Small diameter drill holder
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CN104002206A (en) * 2013-02-21 2014-08-27 协竑企业有限公司 Tiny drill bit insertion method and insertion and taking device

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