JP3495237B2 - Printed circuit board holding device - Google Patents
Printed circuit board holding deviceInfo
- Publication number
- JP3495237B2 JP3495237B2 JP35483497A JP35483497A JP3495237B2 JP 3495237 B2 JP3495237 B2 JP 3495237B2 JP 35483497 A JP35483497 A JP 35483497A JP 35483497 A JP35483497 A JP 35483497A JP 3495237 B2 JP3495237 B2 JP 3495237B2
- Authority
- JP
- Japan
- Prior art keywords
- printed circuit
- circuit board
- spindle
- drill
- slider
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0011—Working of insulating substrates or insulating layers
- H05K3/0044—Mechanical working of the substrate, e.g. drilling or punching
- H05K3/0047—Drilling of holes
Landscapes
- Details Of Cutting Devices (AREA)
- Drilling And Boring (AREA)
Description
【発明の詳細な説明】
【０００１】
【発明の属する技術分野】この発明は、プリント基板穴
明け機によりプリント基板に穴明けを行う際に、該プリ
ント基板を押さえるためのプレッシャーフートを有する
プリント基板押さえ装置に関するものである。
【０００２】
【従来の技術】この種のプリント基板押さえ装置とし
て、例えば、プレッシャーフートの下端部にスピンドル
の軸方向と直交する方向に移動可能にスライド部材を設
け、このスライド部材に、その移動方向に沿ってそれぞ
れ孔径の異なる貫通孔を形成した複数の先端ブッシュを
設け、スピンドルに保持されたドリル径に応じて、スラ
イド部材を駆動して対応する先端ブッシュをスピンドル
の軸線上に位置決めするようにしたものが知られてい
る。
【０００３】
【発明が解決しようとする課題】しかしながら、上述し
たプリント基板押さえ装置にあっては、スライド部材に
複数の先端ブッシュを設けているためコストアップにな
るという問題があると共に、複数の先端ブッシュを互い
に離間して設けることから、スライド部材の移動量が大
きくなり、大型になるという問題がある。また、スピン
ドルの軸上から外れて位置する他の先端ブッシュが、テ
ーブル上で複数枚のプリント基板を積層するのに用いる
スタックピンに当接して、所望の穴明けができない場合
があるという問題もある。
【０００４】この発明は、このような従来の問題点に着
目してなされたもので、小型かつ安価にできると共に、
スタックピンに邪魔されることなく、所望の穴明けを確
実にできるよう適切に構成したプリント基板穴明け機に
用いるプリント基板押さえ装置を提供することを目的と
するものである。
【０００５】
【課題を解決するための手段】上記目的を達成するた
め、この発明は、プリント基板穴明け機に設けられ、ス
ピンドルに結合したドリルによりプリント基板に穴明け
を行う際に、該プリント基板を押さえるためのプレッシ
ャーフートを有するプリント基板押さえ装置において、
前記プレッシャーフートの下端部に、前記スピンドルの
軸方向と直交する方向に移動可能に設けたスライダと、
ドリルが侵入する開口部を有し、前記プリント基板を押
さえる際に、該プリント基板に接するように前記スライ
ダに保持した一つの先端ブッシュと、前記スライダをそ
の移動方向に駆動する駆動手段とを有し、前記先端ブッ
シュの開口部を、複数種のドリル径に対応するように前
記スライダの移動方向に沿って連続する異形形状とし、
前記スピンドルに結合したドリル径に応じた形状部分が
前記スピンドルの軸線上に位置するように前記駆動手段
により位置決めし得るよう構成したことを特徴とするも
のである。
【０００６】
【発明の実施の形態】以下、図面を参照して、この発明
の実施形態について説明する。図１および図２は、この
発明に係るプリント基板押さえ装置の第１実施形態を示
す断面図および底面図である。プレッシャーフート１の
下端部には、先端プレート２を設ける。先端プレート２
には、スピンドル３の軸線上に、該スピンドル３にドリ
ル４を着脱する際に用いるツール交換ポスト（図示せ
ず）が侵入可能な開口２ａを形成すると共に、底面には
スピンドル３の軸方向と直交する方向に沿ってスライド
溝２ｂを形成し、このスライド溝２ｂの両側にガイドプ
レート５ａ，５ｂを設けて、これらスライド溝２ｂおよ
びガイドプレート５ａ，５ｂ間に、スピンドル３の軸方
向と直交する方向に移動可能にスライダ６を設ける。
【０００７】スライダ６には、そのスライド方向におい
てスピンドル３の軸線と交差する一箇所に開口６ａを形
成し、この開口６ａに、ドリル４が侵入する開口部７ａ
を有し、プリント基板（図示せず）を押さえる際に、該
プリント基板に接する先端ブッシュ７を嵌合して設け
る。また、プレッシャーフート１の周面には、ブラケッ
ト８を介して多位置形シリンダ９を設け、そのロッド９
ａを、スライダ６のスライド方向の一端部に連結する。
【０００８】この実施形態では、先端ブッシュ７の開口
部７ａを、中央部に形成したツール交換ポストが侵入可
能な大径部１１ａと、この大径部１１ａに連通してスラ
イダ６の移動方向両側に形成した小径部１１ｂおよび中
径部１１ｃとを有する連続する異形形状をもって構成す
る。ここで、小径部１１ｂの直径（溝幅）は、例えば３
ｍｍ、中径１１ｃの直径（溝幅）は、例えば５ｍｍとす
る。
【０００９】このようにして、多位置形シリンダ９の駆
動によりスライダ６を移動させて、ドリル交換時には大
径部１１ａをスピンドル３の軸線上に位置決めし、例え
ば、０．１ｍｍ〜２．０ｍｍ径のドリル４で穴明けを行
う場合には小径部１１ｂを、２．５ｍｍ〜４．０ｍｍ径
のドリル４で穴明けを行う場合には中径部１１ｃを、ま
た、４．０ｍｍ越える径のドリル４で穴明けを行う場合
には大径部１１ａを、それぞれスピンドル３の軸線上に
自動的に位置決めして、穴明け加工を行うようにする。
【００１０】ところで、近年では、プリント基板に実装
される電子部品の小型化に伴って、プリント基板に形成
するスルーホールの径も小さくなり、直径０．２ｍｍ〜
０．３５ｍｍのドリルを用いる穴明けが比較的多くなっ
ている。この発明の第２実施形態では、このような実情
を考慮して、図３に底面図を示すように、図１および図
２に示す構成において、先端ブッシュ７の開口部７ａ
を、ツール交換ポストが侵入可能な大径部１２ａと、こ
の大径部１２ａに連通してスライダ６の移動方向の一方
の側に形成した小径部１２ｂとを有する連続する異形形
状をもって構成する。ここで、小径部１２ｂの直径（溝
幅）は、例えば２ｍｍ程度とする。また、図１および図
２に示す多位置形シリンダ９に代えて、スライダ６を二
つの位置に位置決めする通常のシリンダ１３を用いる。
その他の構成は、第１実施形態と同様であるので、同一
部分には同一符号を付して説明を省略する。
【００１１】このようにして、シリンダ１３の駆動によ
りスライダ６を移動させて、ドリル交換時には大径部１
２ａをスピンドル３の軸線上に位置決めし、０．３５ｍ
ｍ径以下のドリル４で穴明けを行う場合には小径部１２
ｂを、０．３５ｍｍ径を越えるドリル４で穴明けを行う
場合には大径部１２ａを、それぞれスピンドル３の軸線
上に自動的に位置決めして、穴明け加工を行うようにす
る。
【００１２】なお、この発明は、上述した実施形態にの
み限定されるものではなく、幾多の変形または変更が可
能である。例えば、第１実施形態においては、先端ブッ
シュ７の開口部７ａを、大径部１１ａ、小径部１１ｂお
よび中径部１１ｃの三つの開口をスライド方向に連通さ
せた連続する異形形状をもって構成したが、さらに多く
の異なる径の開口を有する連続する異形形状をもって構
成して、使用ドリル径をより細かい範囲に分けて各開口
に対応させるようにすることもできる。
【００１３】
【発明の効果】この発明によれば、スライダに一つの先
端ブッシュを設け、この先端ブッシュの開口部を、複数
種のドリル径に対応するようにスライド方向に沿って連
続する異形形状として、ドリル径に応じた形状部分をス
ピンドルの軸線上に位置決めし得るようにしたので、安
価にできると共に、スライダの移動量も小さくでき、小
型にできる。また、先端ブッシュが一つであることか
ら、スタックピンに殆ど邪魔されることなく所望の穴明
けを確実に行うことができる。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printed circuit board having a pressure foot for holding the printed circuit board when the printed circuit board is punched by a printed circuit board punching machine. It relates to a holding device. 2. Description of the Related Art As a printed board holding device of this type, for example, a slide member is provided at the lower end of a pressure foot so as to be movable in a direction perpendicular to the axial direction of a spindle. A plurality of tip bushes each having a through hole having a different hole diameter are provided along, and according to the drill diameter held by the spindle, the slide member is driven to position the corresponding tip bush on the axis of the spindle. Is known. [0003] However, in the above-described printed circuit board holding device, since a plurality of tip bushes are provided on the slide member, there is a problem that the cost is increased and a plurality of tip bushes are provided. Since the bushes are provided separately from each other, there is a problem that the amount of movement of the slide member is large and the bush is large. Another problem is that another end bush located off the axis of the spindle abuts on a stack pin used to stack a plurality of printed circuit boards on the table, and a desired hole may not be formed. is there. The present invention has been made in view of such conventional problems, and can be made small and inexpensive.
It is an object of the present invention to provide a printed circuit board pressing device used for a printed circuit board punching machine which is appropriately configured so that a desired hole can be surely formed without being disturbed by stack pins. [0005] In order to achieve the above object, the present invention is provided in a printed circuit board drilling machine, and when the printed circuit board is drilled by a drill connected to a spindle, the printed board is drilled. In a printed circuit board holding device having a pressure foot for holding the board,
A slider provided at a lower end of the pressure foot so as to be movable in a direction orthogonal to an axial direction of the spindle;
It has an opening through which a drill penetrates, and has one end bush held by the slider so as to contact the printed board when pressing the printed board, and driving means for driving the slider in the moving direction. The opening of the tip bush has an irregular shape that is continuous along the moving direction of the slider so as to correspond to a plurality of types of drill diameters,
The present invention is characterized in that the drive means can be positioned so that a shape portion corresponding to a diameter of a drill connected to the spindle is located on an axis of the spindle. Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 are a sectional view and a bottom view, respectively, showing a first embodiment of a printed board holding device according to the present invention. At the lower end of the pressure foot 1, a tip plate 2 is provided. Tip plate 2
On the axis of the spindle 3, there is formed an opening 2a through which a tool exchange post (not shown) used for attaching and detaching the drill 4 to and from the spindle 3 can penetrate. A slide groove 2b is formed along a direction perpendicular to the slide groove 2b, and guide plates 5a, 5b are provided on both sides of the slide groove 2b, and a space between the slide groove 2b and the guide plates 5a, 5b is perpendicular to the axial direction of the spindle 3. The slider 6 is provided so as to be movable in the direction. An opening 6a is formed in the slider 6 at a position crossing the axis of the spindle 3 in the sliding direction, and an opening 7a through which the drill 4 enters is formed in the opening 6a.
When pressing a printed circuit board (not shown), a leading end bush 7 that is in contact with the printed circuit board is fitted and provided. A multi-position cylinder 9 is provided on the peripheral surface of the pressure foot 1 with a bracket 8 interposed therebetween.
a is connected to one end of the slider 6 in the sliding direction. In this embodiment, the opening portion 7a of the tip bush 7 is formed with a large-diameter portion 11a formed in the center portion, through which a tool exchange post can enter, and communicating with the large-diameter portion 11a in both sides in the moving direction of the slider 6. And a continuous irregular shape having a small-diameter portion 11b and a middle-diameter portion 11c. Here, the diameter (groove width) of the small diameter portion 11b is, for example, 3
mm, the diameter (groove width) of the medium diameter 11c is, for example, 5 mm. In this manner, the slider 6 is moved by driving the multi-position cylinder 9 to position the large-diameter portion 11a on the axis of the spindle 3 at the time of drill exchange. The small diameter portion 11b is used for drilling with the drill 4 having a diameter of 2.5 mm to 4.0 mm, and the medium diameter portion 11c is used for drilling with the drill 4 having a diameter of 4.0 mm. When drilling is performed in step 4, the large diameter portion 11a is automatically positioned on the axis of the spindle 3 to perform drilling. In recent years, as electronic components mounted on a printed circuit board have become smaller, the diameter of a through hole formed on the printed circuit board has become smaller.
Drilling with a 0.35 mm drill is relatively common. In the second embodiment of the present invention, in consideration of such circumstances, as shown in a bottom view in FIG. 3, in the configuration shown in FIGS.
Are formed in a continuous irregular shape having a large-diameter portion 12a into which the tool exchange post can enter, and a small-diameter portion 12b formed on one side in the moving direction of the slider 6 in communication with the large-diameter portion 12a. Here, the diameter (groove width) of the small diameter portion 12b is, for example, about 2 mm. Further, instead of the multi-position cylinder 9 shown in FIGS. 1 and 2, a normal cylinder 13 for positioning the slider 6 at two positions is used.
Other configurations are the same as those of the first embodiment, and thus the same portions are denoted by the same reference numerals and description thereof will be omitted. In this manner, the slider 6 is moved by driving the cylinder 13 so that the large-diameter portion 1 is replaced when the drill is replaced.
Position 2a on the axis of spindle 3, 0.35m
When drilling with a drill 4 having a diameter of m or less, the small diameter portion 12 is used.
When drilling b with a drill 4 having a diameter of more than 0.35 mm, the large-diameter portions 12a are automatically positioned on the axis of the spindle 3 to perform drilling. It should be noted that the present invention is not limited only to the above-described embodiment, and various modifications or changes can be made. For example, in the first embodiment, the opening 7a of the distal end bush 7 is configured to have a continuous irregular shape in which three openings of the large-diameter portion 11a, the small-diameter portion 11b, and the middle-diameter portion 11c communicate with each other in the sliding direction. It is also possible to configure a continuous deformed shape having more openings of different diameters so that the used drill diameter is divided into smaller ranges to correspond to each opening. According to the present invention, the slider is provided with one tip bush, and the opening of the tip bush is formed in a continuous shape along the sliding direction so as to correspond to a plurality of drill diameters. Since the shape corresponding to the diameter of the drill can be positioned on the axis of the spindle, it is possible to reduce the cost, to reduce the moving amount of the slider, and to reduce the size. In addition, since there is only one end bush, desired drilling can be reliably performed with little obstruction by the stack pins.
【図面の簡単な説明】 【図１】この発明の第１実施形態を示す断面図である。 【図２】同じく、底面図である。 【図３】この発明の第２実施形態を示す底面図である。 【符号の説明】 １ プレッシャーフート ２ 先端プレート ２ａ 開口 ２ｂ スライド溝 ３ スピンドル ４ ドリル ５ａ，５ｂ ガイドプレート ６ スライダ ６ａ 開口 ７ 先端ブッシュ ７ａ 開口部 ８ ブラケット ９ 多位置形シリンダ ９ａ ロッド １１ａ 大径部 １１ｂ 小径部 １１ｃ 中径部 １２ａ 大径部 １２ｂ 小径部 １３ シリンダ[Brief description of the drawings] FIG. 1 is a sectional view showing a first embodiment of the present invention. FIG. 2 is also a bottom view. FIG. 3 is a bottom view showing a second embodiment of the present invention. [Explanation of symbols] 1 Pressure foot 2 Tip plate 2a opening 2b slide groove 3 spindle 4 drill 5a, 5b guide plate 6 Slider 6a opening 7 Tip bush 7a Opening 8 bracket 9 Multi-position cylinder 9a rod 11a Large diameter part 11b Small diameter part 11c Medium diameter part 12a Large diameter part 12b Small diameter part 13 cylinder
Claims (1)
ンドルに結合したドリルによりプリント基板に穴明けを
行う際に、該プリント基板を押さえるためのプレッシャ
ーフートを有するプリント基板押さえ装置において、 前記プレッシャーフートの下端部に、前記スピンドルの
軸方向と直交する方向に移動可能に設けたスライダと、 ドリルが侵入する開口部を有し、前記プリント基板を押
さえる際に、該プリント基板に接するように前記スライ
ダに保持した一つの先端ブッシュと、 前記スライダをその移動方向に駆動する駆動手段とを有
し、 前記先端ブッシュの開口部を、複数種のドリル径に対応
するように前記スライダの移動方向に沿って連続する異
形形状とし、前記スピンドルに結合したドリル径に応じ
た形状部分が前記スピンドルの軸線上に位置するように
前記駆動手段により位置決めし得るよう構成したことを
特徴とするプリント基板押さえ装置。(57) [Claim 1] A pressure foot provided on a printed circuit board drilling machine for holding down the printed circuit board when drilling the printed circuit board by a drill coupled to a spindle. In the printed board holding device, a slider provided at the lower end of the pressure foot so as to be movable in a direction orthogonal to the axial direction of the spindle, and an opening through which a drill enters, and when holding the printed board, One end bush held by the slider so as to be in contact with the printed circuit board; and driving means for driving the slider in the moving direction. The opening of the end bush corresponds to a plurality of drill diameters. A shape portion corresponding to the diameter of a drill connected to the spindle, the deformed shape being continuous along the moving direction of the slider. A printed circuit board holding device characterized in that it can be positioned by the driving means so that the minute part is located on the axis of the spindle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35483497A JP3495237B2 (en) | 1997-12-24 | 1997-12-24 | Printed circuit board holding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35483497A JP3495237B2 (en) | 1997-12-24 | 1997-12-24 | Printed circuit board holding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11188693A JPH11188693A (en) | 1999-07-13 |
| JP3495237B2 true JP3495237B2 (en) | 2004-02-09 |
Family
ID=18440225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP35483497A Expired - Fee Related JP3495237B2 (en) | 1997-12-24 | 1997-12-24 | Printed circuit board holding device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3495237B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113414834A (en) * | 2021-08-20 | 2021-09-21 | 苏州维嘉科技股份有限公司 | Automatic pressing plate method of drilling machine and drilling machine |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7198438B2 (en) * | 2003-04-11 | 2007-04-03 | Kosmowski Wojciech B | Drilling system with stationary work table |
| JP4935498B2 (en) * | 2006-06-30 | 2012-05-23 | 日立化成工業株式会社 | Printed wiring board and manufacturing method thereof |
| JP5075077B2 (en) * | 2008-09-29 | 2012-11-14 | 日立ビアメカニクス株式会社 | Printed circuit board processing machine |
| JP6244167B2 (en) * | 2013-10-29 | 2017-12-06 | 株式会社東興 | Printed circuit board processing equipment |
| JP6637401B2 (en) | 2016-10-26 | 2020-01-29 | 川崎重工業株式会社 | Drilling device |
| CN107877606A (en) * | 2017-12-06 | 2018-04-06 | 天津工业大学 | A kind of AFRP composite method for drilling based on the collar and cutter interaction |
| CN115106814B (en) * | 2022-07-14 | 2023-09-15 | 中国航空制造技术研究院 | Pressure foot device and drilling actuator |
-
1997
- 1997-12-24 JP JP35483497A patent/JP3495237B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113414834A (en) * | 2021-08-20 | 2021-09-21 | 苏州维嘉科技股份有限公司 | Automatic pressing plate method of drilling machine and drilling machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH11188693A (en) | 1999-07-13 |
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