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JP2000263151A - Punching tool - Google Patents

Punching tool

Info

Publication number
JP2000263151A
JP2000263151A JP11074731A JP7473199A JP2000263151A JP 2000263151 A JP2000263151 A JP 2000263151A JP 11074731 A JP11074731 A JP 11074731A JP 7473199 A JP7473199 A JP 7473199A JP 2000263151 A JP2000263151 A JP 2000263151A
Authority
JP
Japan
Prior art keywords
punching
tool
outer cylinder
tip
punching rod
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.)
Pending
Application number
JP11074731A
Other languages
Japanese (ja)
Inventor
Akira Seki
明 関
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Priority to JP11074731A priority Critical patent/JP2000263151A/en
Publication of JP2000263151A publication Critical patent/JP2000263151A/en
Pending legal-status Critical Current

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  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

PROBLEM TO BE SOLVED: To execute accurate punching by enabling the accurate positioning of the attitude of a tool even when a place to be punched is a plane part and preventing the change in the attitude of the tool at the time of striking. SOLUTION: The body part of a punching rod 3 is freely slidably penetrated through the outer cylinder 2 which becomes a grasping part, a head part 7 for striking is attached to the root part of the punching rod 3 and, by energizing the punching rod 3 with an energizing member 10, the cutting edge at the tip is projected to the outside of the outer cylinder 2. A positioning pin 12 whose tip is tapered which is energized with the energizing member 13 is incorporated into a hole 11 formed in the middle of the cutting edge 5 and the tip is projected.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、例えば平板材料等
に穴を明けるための打ち抜き工具に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a punching tool for making holes in, for example, a flat plate material.

【0002】[0002]

【従来の技術】従来、ワークに貫通孔を形成するような
工具として、例えば特開平10―156798号に示さ
れるような工具が知られている。この工具51は、図5
に示すように、把持部本体52にセットボルト53を介
して取り付けられる打ち抜き用芯材54の先端に切り刃
54kを形成するとともに、先端側周囲に筒状ガイド部
材55を設け、この筒状ガイド部材55と把持部本体5
2との間にバネ部材56を介装して構成している。
2. Description of the Related Art Conventionally, as a tool for forming a through hole in a work, for example, a tool disclosed in Japanese Patent Application Laid-Open No. H10-156798 has been known. This tool 51 is shown in FIG.
As shown in FIG. 7, a cutting blade 54k is formed at the tip of a punching core member 54 attached to the gripping portion main body 52 via a set bolt 53, and a tubular guide member 55 is provided around the tip side. Member 55 and gripper body 5
2 and a spring member 56 is interposed.

【0003】そしてこのような工具51で孔あけする時
は、例えば片手で把持部本体52を握り、筒状ガイド部
材55の下端部をワークの孔あけ部に当接させて位置決
めした後、残りの片手で把持部本体52の頂部をハンマ
等で叩いて孔あけを行うようにしている。
When drilling with such a tool 51, for example, the gripper body 52 is gripped with one hand, and the lower end of the cylindrical guide member 55 is positioned by abutting against the drilled portion of the work. With one hand, the top of the gripper body 52 is hit with a hammer or the like to make a hole.

【0004】[0004]

【発明が解決しようとする課題】ところが、上記のよう
な工具では、把持部本体52を把持した状態で、把持部
本体52をハンマ等で叩くため、打撃時に把持部本体5
2が傾いて斜めに孔を打ち抜いたり、孔の位置がずれた
りするような不具合があった。また、ワークの孔あけ個
所が凹部となっている時は、比較的位置決めが容易であ
るが、平面部を打ち抜くような場合は、正確な位置に位
置決めするのが困難で、正確に孔あけするのが難しかっ
た。
However, in the above-mentioned tool, the gripper body 52 is hit with a hammer or the like while the gripper body 52 is being gripped.
There was a problem that a hole was punched obliquely and the position of the hole was shifted. In addition, when the drilled portion of the workpiece is a concave portion, positioning is relatively easy, but when punching a flat portion, it is difficult to position the workpiece at an accurate position, and accurate drilling is performed. It was difficult.

【0005】本発明は上記問題点に鑑みなされたもので
あり、穴あけ個所が平面部であっても工具を正確な位置
に位置決めすることが出来、また打撃時の工具の姿勢変
化を防止して、正確な穴あけを行うようにすることを目
的とする。
SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and enables a tool to be positioned at an accurate position even when a drilled portion is a flat portion, and prevents a change in the attitude of the tool at the time of impact. The purpose is to make accurate drilling.

【0006】[0006]

【課題を解決するための手段】上記目的を達成するため
本発明は、先端に切り刃が形成され且つ基端側にヘッド
部を有する打ち抜きロッドと、この打ち抜きロッドの胴
体部を摺動自在に挿通させ且つ打ち抜き時に把持部とさ
れる外筒を設け、打ち抜きロッドを付勢部材によって先
端側に付勢し、少なくともその先端の一部を外筒から外
部に突出させるようにした。
SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a punching rod having a cutting edge formed at the distal end and a head portion at the base end side, and a body portion of the punching rod slidably. An outer cylinder that is inserted and used as a gripping part at the time of punching is provided, and the punching rod is urged to the distal end side by an urging member so that at least a part of the distal end is projected outside from the outer cylinder.

【0007】このように打ち抜きロッドの胴体部の周囲
に外筒を設け、この外筒を把持部として把持するととも
に、打ち抜き時のハンマ等による打撃を、打ち抜きロッ
ドの基端側のヘッド部に加えるようにすれば、工具の姿
勢を正確に保持することが出来、穴の向きが傾いたり、
位置がずれたりするような不具合がない。
As described above, the outer cylinder is provided around the body of the punching rod, and the outer cylinder is gripped as a grip portion, and a hammer at the time of punching is applied to the head on the base end side of the punching rod. By doing so, it is possible to hold the posture of the tool accurately,
There is no problem such as displacement.

【0008】また、付勢部材によって打ち抜きロッドの
先端の一部を外筒の外部に突出させれば、最初に工具を
穴あけ個所に位置決めする時、切り刃を正確な位置にセ
ットできる。
Further, if a part of the tip of the punching rod is projected outside the outer cylinder by the biasing member, the cutting blade can be set at an accurate position when the tool is first positioned at the drilling position.

【0009】また請求項2では、打ち抜きロッドの先端
切り刃の中央部に、弾撥的に支持される位置決めピンの
先端を突出させ、この位置決めピンを打ち抜きロッドの
中央に形成される孔に没入可能にした。
According to a second aspect of the present invention, the tip of a resiliently supported positioning pin is projected from the center of the tip cutting blade of the punching rod, and the positioning pin is inserted into a hole formed in the center of the punching rod. Made it possible.

【0010】このように切り刃の中央部に位置決めピン
の先端を突出させ、例えば材料の穴あけ個所の中心部に
目印等を形成して、この目印等と位置決めピンを合わせ
ることにより、一層正確な位置に穴あけすることが出来
る。
As described above, the tip of the positioning pin is projected from the center of the cutting blade, and a mark or the like is formed at the center of a hole made of a material, for example. Can be drilled in position.

【0011】[0011]

【発明の実施の形態】本発明の実施の形態について添付
した図面に基づき説明する。ここで図1は本発明に係る
打ち抜き工具の縦断面図、図2は打ち抜き工具の下面
図、図3は穴あけ時の状態を説明する外観図、図4は作
用図である。
Embodiments of the present invention will be described with reference to the accompanying drawings. Here, FIG. 1 is a longitudinal sectional view of the punching tool according to the present invention, FIG. 2 is a bottom view of the punching tool, FIG. 3 is an external view for explaining a state at the time of drilling, and FIG.

【0012】本発明に係る打ち抜き工具1は、基本的に
片手で工具を把持しこの把持した工具の頭をハンマ等で
叩いて穴あけを行うような手工具であり、図1及び図2
に示すように、外筒2と、この外筒2の筒内を摺動自在
に挿通する打ち抜きロッド3を備えており、この打ち抜
きロッド3の先端面には、球面凹部4が形成されて、周
縁が切り刃5とされている。
The punching tool 1 according to the present invention is a hand tool which basically grips the tool with one hand and punches a hole by hitting the head of the gripped tool with a hammer or the like.
As shown in the figure, the outer cylinder 2 is provided with a punching rod 3 slidably inserted through the inside of the outer cylinder 2, and a spherical concave portion 4 is formed on a distal end surface of the punching rod 3, The periphery is a cutting blade 5.

【0013】また、打ち抜きロッド3の基端側は、段差
部dを介して小径部とされ、この小径部が以下に述べる
蓋部材6の中央開口部を摺動自在に貫き、外部に露出し
たロッド端部には、大径で且つハンマ等による打撃時に
使用するヘッド部7が螺着されている。
The base end of the punching rod 3 has a small-diameter portion via a step d. The small-diameter portion slidably penetrates a central opening of the lid member 6 described below and is exposed to the outside. A head 7 having a large diameter and used at the time of hitting with a hammer or the like is screwed to the rod end.

【0014】前記蓋部材6は、前記外筒2の基端側外周
面に形成された雄ネジ部8に螺合可能な雌ネジ部9を備
えており、前述のように中央部に打ち抜きロッド3の小
径部を挿通させることの出来る開口部を備えており、こ
の開口部に前記打ち抜きロッド3の小径部を挿通させ且
つ前記段差部dとの間に付勢部材10を介装した状態で
外筒2に螺着されている。
The lid member 6 has a female screw portion 9 which can be screwed into a male screw portion 8 formed on the outer peripheral surface on the base end side of the outer cylinder 2. 3 is provided with an opening through which the small diameter portion of the punching rod 3 can be inserted, and a biasing member 10 is interposed between the small diameter portion of the punching rod 3 and the step portion d. It is screwed to the outer cylinder 2.

【0015】そして、付勢部材10の付勢力によって、
打ち抜きロッド3の先端の少なくとも一部が外筒2の外
部に突出するようにしている。
Then, by the urging force of the urging member 10,
At least a part of the tip of the punching rod 3 projects outside the outer cylinder 2.

【0016】打ち抜きロッド3の先端の球面凹部4の中
央には、孔11が設けられ、この孔11に先端先細りの
位置決めピン12が摺動自在に内装されている。そして
この位置決めピン12の基端面と孔11の底面との間に
は、付勢部材13が内装されて位置決めピン12を付勢
しており、位置決めピン12の先端部が球面凹部4の外
部に突出するようにしている。またこの位置決めピン1
2の側面には、軸方向に沿って所定長さの係合面12a
が刻設され、この係合面12aに係合ボルト14の先端
面が当接している。
A hole 11 is provided at the center of the spherical concave portion 4 at the tip of the punching rod 3, and a positioning pin 12 having a tapered tip is slidably provided in the hole 11. An urging member 13 is provided between the base end surface of the positioning pin 12 and the bottom surface of the hole 11 to urge the positioning pin 12. It protrudes. Also, this positioning pin 1
2 has an engagement surface 12a having a predetermined length along the axial direction.
The tip surface of the engaging bolt 14 is in contact with the engaging surface 12a.

【0017】すなわち、打ち抜きロッド3の先端部側面
には、孔11に向けて半径方向に貫通するネジ孔15が
形成され、このネジ孔15に係合ボルト14がねじ込ま
れて、その先端部が位置決めピン12の係合面12aに
当接しており、位置決めピン12は、刻設された前記係
合面12aの軸方向長さに対応するストローク量で摺動
可能にされている。
That is, a screw hole 15 is formed on the side surface of the distal end portion of the punching rod 3 in a radial direction toward the hole 11. An engaging bolt 14 is screwed into the screw hole 15 to form The positioning pin 12 is in contact with an engaging surface 12a, and the positioning pin 12 is slidable by a stroke amount corresponding to the axial length of the engraved engaging surface 12a.

【0018】また、外筒2の先端部側面には、係合ボル
ト14の頭に対応する個所に、軸方向に沿って所定長さ
の切欠き部16が設けられており、外筒2に対して打ち
抜きロッド3が摺動する際、係合ボルト14の移動を案
内するようにしている。
A notch 16 having a predetermined length in the axial direction is provided at a position corresponding to the head of the engaging bolt 14 on the side surface of the distal end portion of the outer cylinder 2. On the other hand, when the punching rod 3 slides, the movement of the engagement bolt 14 is guided.

【0019】以上のような打ち抜き工具1の操作要領等
について説明する。まず、図3に示すように、被加工物
Wの穴あけ個所の中心部に、不図示のポンチ等で目印と
なる凹みeを形成しておく。
The operation of the punching tool 1 as described above will be described. First, as shown in FIG. 3, a recess e serving as a mark is formed in the center of a drilled portion of the workpiece W with a punch or the like (not shown).

【0020】そして、作業者は打ち抜き工具1の外筒2
を片手で把持し、凹みeに位置決めピン12の先端を合
わせるように位置決めした後、手で工具1を押し下げる
ことにより、図4の(A)から(B)に示すように、外
筒2の先端面を被加工物Wに当接させる。
Then, the operator operates the outer cylinder 2 of the punching tool 1.
Is gripped with one hand and positioned so that the tip of the positioning pin 12 is aligned with the recess e. Then, the tool 1 is pushed down by hand, and as shown in FIGS. The front end surface is brought into contact with the workpiece W.

【0021】この時、打ち抜きロッド3は付勢部材10
の付勢力に逆らって外筒2の筒内に摺動し、また、位置
決めピン12も付勢部材13の付勢力に逆らって孔11
の内部に摺動する。また、外筒2の先端面を被加工物W
に当接させることで、打ち抜き工具1は被加工物Wの加
工面に対して垂直姿勢で保持される。
At this time, the punching rod 3 is
Of the outer cylinder 2 against the urging force of the urging member 13, and the positioning pin 12 slides into the hole 11 against the urging force of the urging member 13.
Sliding inside. Further, the tip end surface of the outer cylinder 2 is
, The punching tool 1 is held in a vertical posture with respect to the processing surface of the workpiece W.

【0022】次に、作業者は、打ち抜きロッド3の基端
側のヘッド部7をハンマ等で叩く。すると、打ちぬきロ
ッド3の切り刃5が被加工物Wを貫き、図4(C)に示
すように、被加工物Wに穴あけが行われるが、この際、
外筒2は打撃に関係がないため、傾いたり穴の位置がず
れたりするような不具合がなく、正確な位置に正確な形
状で穴あけをすることが出来る。しかも、当初の位置決
めピン12と凹みeによる位置決めによって、穴の位置
を一層正確にすることが出来る。
Next, the operator hits the head 7 on the base end side of the punching rod 3 with a hammer or the like. Then, the cutting blade 5 of the punching rod 3 penetrates the workpiece W, and as shown in FIG. 4C, a hole is made in the workpiece W.
Since the outer cylinder 2 has nothing to do with hitting, there is no problem that the outer cylinder 2 is inclined or the position of the hole is shifted, and it is possible to drill a hole at an accurate position and in an accurate shape. Moreover, the position of the hole can be made more accurate by the initial positioning using the positioning pin 12 and the recess e.

【0023】ところで、被加工物Wが鉄等の磁着可能な
材料であれば、外筒2の先端部に磁石を配設するように
しても良い。この場合は、工具1を押し下げて外筒2の
先端部を被加工物Wに当接させる際、外筒2の先端面が
被加工物Wに磁着して、より安定的に工具の姿勢を保持
することが出来る。
Incidentally, if the workpiece W is made of a material such as iron that can be magnetized, a magnet may be provided at the tip of the outer cylinder 2. In this case, when the tool 1 is pushed down to bring the tip of the outer cylinder 2 into contact with the workpiece W, the tip face of the outer cylinder 2 magnetically attaches to the workpiece W, and the posture of the tool becomes more stable. Can be held.

【0024】尚、本発明は以上のような実施形態に限定
されるものではない。本発明の特許請求の範囲に記載し
た事項と実質的に同一の構成を有し、同一の作用効果を
奏するものは本発明の技術的範囲に属する。例えば打ち
抜きロッド3の付勢方法や、位置決めピン12の付勢方
法等は任意であり、また、切り刃5の形態等も任意であ
る。
The present invention is not limited to the above embodiment. Those having substantially the same configuration as those described in the claims of the present invention and exhibiting the same operation and effect belong to the technical scope of the present invention. For example, the method of urging the punch rod 3 and the method of urging the positioning pin 12 are arbitrary, and the form of the cutting blade 5 is also arbitrary.

【0025】[0025]

【発明の効果】以上のように本発明に係る打ち抜き工具
は、把持部となる外筒に打ち抜きロッドの胴体部を挿通
させ、打ち抜きロッドの先端の一部を外筒から外部に突
出させるようにしたため、工具を正確な姿勢で保持した
まま打ち抜きロッドに打撃を加えることが出来、穴の向
きが傾いたり、位置がずれたりするような不具合を防止
できる。また、打ち抜きロッドの先端の一部を外筒の外
部に突出させることで、工具を最初に穴あけ個所に位置
決めする時、正確な位置にセットできる。また請求項2
では、打ち抜きロッドの先端切り刃の中央部に位置決め
ピンの先端を突出させれば、当初の位置決めを一層正確
に行うことが出来る。
As described above, in the punching tool according to the present invention, the body of the punching rod is inserted into the outer cylinder serving as the gripping portion, and a part of the tip of the punching rod is projected from the outer cylinder to the outside. Therefore, it is possible to strike the punching rod while holding the tool in an accurate posture, and it is possible to prevent a problem that the direction of the hole is inclined or the position is shifted. Further, by projecting a part of the tip of the punching rod to the outside of the outer cylinder, the tool can be set at an accurate position when the tool is first positioned at the drilling position. Claim 2
In this case, if the tip of the positioning pin is projected from the center of the tip cutting blade of the punching rod, the initial positioning can be performed more accurately.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明に係る打ち抜き工具の縦断面図FIG. 1 is a longitudinal sectional view of a punching tool according to the present invention.

【図2】打ち抜き工具の下面図FIG. 2 is a bottom view of a punching tool.

【図3】穴あけ時の状態を説明する外観図FIG. 3 is an external view illustrating a state at the time of drilling.

【図4】作用図で、(A)は位置決め状態図、(B)は
外筒を押し下げた状態図、(C)は打ち抜き時の状態図
FIGS. 4A and 4B are action diagrams, wherein FIG. 4A is a positioning diagram, FIG. 4B is a diagram showing a state in which an outer cylinder is pushed down, and FIG.

【図5】従来の打ち抜き工具の説明図FIG. 5 is an explanatory view of a conventional punching tool.

【符号の説明】[Explanation of symbols]

1…打ち抜き工具、2…外筒、3…打ち抜きロッド、5
…切り刃、7…ヘッド部、10…付勢部材、11…孔、
12…位置決めピン、13…付勢部材。
DESCRIPTION OF SYMBOLS 1 ... Punching tool, 2 ... Outer cylinder, 3 ... Punching rod, 5
... cutting blade, 7 ... head part, 10 ... urging member, 11 ... hole,
12: positioning pin, 13: urging member.

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 先端に切り刃が形成され且つ基端側にヘ
ッド部を有する打ち抜きロッドと、この打ち抜きロッド
の胴体部を摺動自在に挿通せしめ且つ打ち抜き時に把持
部とされる外筒を備え、前記打ち抜きロッドは、付勢部
材によって先端側に付勢され、少なくともその先端の一
部が前記外筒から外部に突出することを特徴とする打ち
抜き工具。
1. A punching rod having a cutting blade formed at a distal end and having a head portion at a base end side, and an outer cylinder through which a body portion of the punching rod is slidably inserted and used as a gripping portion at the time of punching. The punching tool is characterized in that the punching rod is urged toward the distal end by an urging member, and at least a part of the distal end projects outward from the outer cylinder.
【請求項2】 請求項1に記載の打ち抜き工具におい
て、前記打ち抜きロッドの先端切り刃の中央部には、弾
撥的に支持される位置決めピンの先端が突出し、この位
置決めピンは打ち抜きロッドの中央に形成される孔に没
入可能にされることを特徴とする打ち抜き工具。
2. The punching tool according to claim 1, wherein a tip of a resiliently supported positioning pin protrudes from the center of the tip cutting blade of the punching rod, and the positioning pin is located at the center of the punching rod. A punching tool characterized in that it can be immersed in a hole formed in the hole.
JP11074731A 1999-03-19 1999-03-19 Punching tool Pending JP2000263151A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11074731A JP2000263151A (en) 1999-03-19 1999-03-19 Punching tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005118239A1 (en) * 2004-06-01 2005-12-15 Beac Co., Ltd. Hole-punching apparatus
US7639390B2 (en) 2002-01-25 2009-12-29 Canon Kabushiki Kaisha Image processing apparatus, image processing method, storage medium, and program
CN105598264A (en) * 2016-03-15 2016-05-25 李赵和 Aluminum plate puncture device
CN105855415A (en) * 2016-06-15 2016-08-17 青海铁塔制造有限责任公司 Punching accurate positioning device, punching method and application of small punching equipment
CN106040867A (en) * 2016-07-26 2016-10-26 四川然新材料科技有限公司 Multi-hole die structure convenient for independently replacing punching head
CN107081369A (en) * 2017-06-10 2017-08-22 宁波鸿达电机模具有限公司 Correcting pin mechanism in the middle of multi-station progressive die

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7639390B2 (en) 2002-01-25 2009-12-29 Canon Kabushiki Kaisha Image processing apparatus, image processing method, storage medium, and program
WO2005118239A1 (en) * 2004-06-01 2005-12-15 Beac Co., Ltd. Hole-punching apparatus
CN105598264A (en) * 2016-03-15 2016-05-25 李赵和 Aluminum plate puncture device
CN105855415A (en) * 2016-06-15 2016-08-17 青海铁塔制造有限责任公司 Punching accurate positioning device, punching method and application of small punching equipment
CN106040867A (en) * 2016-07-26 2016-10-26 四川然新材料科技有限公司 Multi-hole die structure convenient for independently replacing punching head
CN107081369A (en) * 2017-06-10 2017-08-22 宁波鸿达电机模具有限公司 Correcting pin mechanism in the middle of multi-station progressive die
CN107081369B (en) * 2017-06-10 2019-11-22 宁波鸿达电机模具有限公司 Correcting pin mechanism among multi-station progressive die

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