JP2002028823A - Tap guide - Google Patents
Tap guideInfo
- Publication number
- JP2002028823A JP2002028823A JP2000214227A JP2000214227A JP2002028823A JP 2002028823 A JP2002028823 A JP 2002028823A JP 2000214227 A JP2000214227 A JP 2000214227A JP 2000214227 A JP2000214227 A JP 2000214227A JP 2002028823 A JP2002028823 A JP 2002028823A
- Authority
- JP
- Japan
- Prior art keywords
- tap
- guide
- axis
- hole
- screw
- 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
Links
Landscapes
- Drilling And Boring (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、タップによる雌ネ
ジ加工を施す際に使されるタップガイドに関するもので
ある。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tap guide used when a female screw is formed with a tap.
【0002】[0002]
【従来の技術】従来、タップを用いて鉄板等の被切削物
に雌ネジを手作業にて刻設する場合、先ず、この鉄板に
所望するネジ径より僅少な径の下穴をドリルにて穿孔
し、次にこの下穴にタップを挿入し、このタップをタッ
プハンドルで挟持して回動させてネジ込むことにより行
なわれる。2. Description of the Related Art Conventionally, when a female screw is manually cut into a work such as an iron plate using a tap, first, a prepared hole having a diameter smaller than a desired screw diameter is drilled on the iron plate. Drilling is performed, and then a tap is inserted into the prepared hole, and the tap is held by a tap handle, rotated, and screwed.
【0003】[0003]
【発明が解決しようとする課題】上記のようなタップに
よるネジ切り作業に際しては、ネジ下穴の軸心に対して
タップの軸心を正確に合わせた状態で挿入し、回動させ
ることが肝要である。したがって、このネジ切り作業を
手作業で行なう場合、タップの軸心と下穴の軸心とを正
確に合わせるために相当な熟練を要するものであった。
本発明は、上記問題点に鑑み、タップを使用した手作業
によるネジ切り作業を正確かつ容易迅速に行なうことが
できるタップガイドを提供することを目的とするもので
ある。In the threading operation using a tap as described above, it is important to insert and rotate the tap with the axis of the tap accurately aligned with the axis of the prepared screw hole. It is. Therefore, when this threading operation is performed manually, considerable skill is required to accurately align the axis of the tap with the axis of the pilot hole.
SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a tap guide capable of performing a manual threading operation using a tap accurately, easily, and quickly.
【0004】[0004]
【課題を解決するための手段】このため本発明のタップ
ガイドは、鉄板等の被切削物表面に形成されたネジ下穴
に雌ネジ加工を施すタップの軸心と、前記ネジ下穴の軸
心とを一致して保持するガイド孔を設けたことを第1の
特徴とする。For this purpose, a tap guide of the present invention comprises a shaft center of a tap for forming a female screw into a screw hole formed on the surface of a workpiece such as an iron plate, and a shaft of the screw hole. A first feature is that a guide hole for holding the heart in alignment is provided.
【0005】そして、このタップガイドのガイド孔内
に、挿入保持したタップを排出する方向に付勢するバネ
を設けたことを第2の特徴とする。[0005] A second feature is that a spring is provided in the guide hole of the tap guide so as to urge the inserted and held tap in a discharging direction.
【0006】上記した手段によれば、タップの軸心と下
穴の軸心とが常に一致し、容易に安定した雌ネジ加工を
施すことができるので、ネジ孔が傾斜したり、下穴内で
タップが折れて被切削物を不良品にしてしまうことがな
い。According to the above means, the axis of the tap always coincides with the axis of the pilot hole, and the female screw can be easily and stably processed. There is no possibility that the tap is broken and the workpiece is not made defective.
【0007】[0007]
【発明の実施の形態】次に、本発明の実施の形態を図面
に示す実施例に基づいて説明する。図1は本発明に係る
タップガイドを示す分解斜視図、図2はタップガイドの
使用状態を示す正面断面図、図3はタップにタップハン
ドルを取付けた状態を示す正面図である。DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the embodiments shown in the drawings. FIG. 1 is an exploded perspective view showing a tap guide according to the present invention, FIG. 2 is a front sectional view showing a use state of the tap guide, and FIG. 3 is a front view showing a state where a tap handle is attached to the tap.
【0008】[0008]
【実施例】図1乃至図3に示すように、鉄板等の被切削
物5に雌ネジを刻設するタップ3の一般的な形状は、先
端部がテーパ状を成したネジ導入部3a、これに続く螺
旋状のネジ切り部3b、さらに円柱状の直線部3cと続
き、上端が方形状の挟着部3dとからなっている。そし
て、挟着部3dをタップハンドル4の中央部に設けられ
たチャック部4aで挟持し、タップハンドル4の両端の
握手4bを握持して回動させることによりタップ3を回
動させて被切削物5表面に開けられた下穴5aに雌ネジ
が加工される。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIGS. 1 to 3, a tap 3 for engraving a female screw on a workpiece 5 such as an iron plate has a general shape of a screw introduction portion 3a having a tapered tip. A helical threaded portion 3b, a columnar straight portion 3c, and a rectangular sandwiching portion 3d are formed at the upper end. Then, the holding portion 3d is held by a chuck portion 4a provided at the center of the tap handle 4, and the handgrips 4b at both ends of the tap handle 4 are gripped and turned, whereby the tap 3 is turned to be covered. A female screw is formed in a prepared hole 5a formed in the surface of the cut object 5.
【0009】タップ3の挟着部3dは、タップハンドル
4のチャック部4aで握手4bの一端に遊着され、握手
4bを回すことにより水平方向に直動するように構成さ
れたVブロック(図示せず)で挟持される。そして、通
常は、被切削物5表面に、所望する雌ネジ径より僅少な
径の下穴5aを予めドリルで開けた後、下穴5a内にタ
ップ3のネジ導入部3aを挿入し、タップ3の軸心が被
切削物5表面に対して垂直となるように目視で矯正し、
タップハンドル4を回動させると共に、タップ3を回動
させ、ネジ導入部3aから順次ネジ切り部3bを挿入す
ることにより雌ネジ加工が刻設されて行く。The holding portion 3d of the tap 3 is loosely attached to one end of a handshake 4b by a chuck portion 4a of a tap handle 4, and is configured to move directly in the horizontal direction by rotating the handshake 4b (see FIG. 1). (Not shown). Normally, a pilot hole 5a having a diameter smaller than the desired female screw diameter is drilled in advance on the surface of the workpiece 5 by drilling, and then the screw introduction portion 3a of the tap 3 is inserted into the pilot hole 5a. 3 is visually corrected so that the axis of 3 is perpendicular to the surface of the workpiece 5,
By turning the tap handle 4 and the tap 3 and inserting the threaded portion 3b sequentially from the screw introduction portion 3a, the female screw processing is engraved.
【0010】ところで、雌ネジ加工がネジ導入部3aで
施される時点では、タップ3の姿勢は非常に不安定であ
り、タップ3がふらつき易く、タップ3の軸心を下穴5
aの軸心と一致させつつ手作業で雌ネジ加工を施すこと
は相当な熟練を要し非常に困難な作業となる。そして、
タップ3の軸心を下穴5aの軸心と一致しないまま続行
して雌ネジ加工を施していくと、ネジ孔が傾斜したりタ
ップ3が下穴5a内で折れ、折れたタップ3を被切削物
5から除去するのに多くの時間を必要としたり、被切削
物5自身が不良品となる虞れがある。By the way, at the time when the female screw is formed at the screw introducing portion 3a, the posture of the tap 3 is very unstable, the tap 3 easily fluctuates, and the axial center of the tap 3 is
Applying a female screw by hand while making it coincide with the axis of "a" requires considerable skill and is a very difficult task. And
If the tapping 3 is continued and the internal thread processing is performed while the axis of the tap 3 does not coincide with the axis of the pilot hole 5a, the screw hole is inclined or the tap 3 is broken in the pilot hole 5a, and the broken tap 3 is covered. It may take a lot of time to remove the material from the cutting 5, or the cutting 5 itself may be defective.
【0011】本発明に係るタップガイド1は、図1に示
すように、円柱状の金属製で、その軸心上にタップ3が
挿入可能な内径で上下に貫通したガイド孔1aが形成さ
れている。このガイド孔1a内には、係止段部1bが形
成されており、ガイド孔1a内に挿入保持したタップ3
を排出する方向に付勢するスプリング2が係止できるよ
うにされている。このスプリング2により、タップ3と
ガイド孔1aとの干渉を防止することができると共に、
タップ3のネジ導入部3aを被切削物5の下穴5aに挿
入させタップ3が垂直に位置決めされ立った後、タップ
ガイド1を容易に取り外すことができる。As shown in FIG. 1, a tap guide 1 according to the present invention is made of a columnar metal, and has a guide hole 1a vertically penetrating with an inner diameter in which a tap 3 can be inserted. I have. A locking step 1b is formed in the guide hole 1a, and the tap 3 inserted and held in the guide hole 1a is formed.
The spring 2 for urging in the direction in which the oil is discharged can be locked. The spring 2 can prevent interference between the tap 3 and the guide hole 1a, and
After the screw introducing portion 3a of the tap 3 is inserted into the prepared hole 5a of the work 5 and the tap 3 is vertically positioned and stands, the tap guide 1 can be easily removed.
【0012】図2及び図3は、被切削物である鉄板5表
面に開けられた下穴5aに手作業で雌ネジ加工を施す際
に、タップガイド1を用いた例を示すものである。5a
は鉄板5表面に設けられた下穴であり、電気ドリル等を
用いて予め穿孔されている。FIGS. 2 and 3 show an example in which a tap guide 1 is used when female holes are manually formed in a prepared hole 5a formed in the surface of an iron plate 5 to be cut. 5a
Is a pilot hole provided on the surface of the iron plate 5, which is previously drilled using an electric drill or the like.
【0013】先ず、タップ3をスプリング2と共にタッ
プガイド1のガイド孔1a内に装填する。次いで、タッ
プガイド1の下面を鉄板5表面と接触させると共に、鉄
板5表面に開けられた下穴5a内にタップ3のネジ導入
部3aを挿入して載置する。これにより、自動的に下穴
5aの軸心とタップ3の軸心とを一致させることができ
る。次いで、ガイド孔1aの上端から突出したタップ3
の挟着部3d部分をレンチ等を用いて若干回動させる。
これにより、タップ3は垂直に位置決めされた状態で立
設固定されるので、タップ3からタップガイド1をスプ
リング2と共に取り外す。最後にタップ3の挟着部3d
部分をタップハンドル4のチャック部4aで挟持して回
動させて雌ネジ加工を行なうのである。First, the tap 3 is loaded together with the spring 2 into the guide hole 1a of the tap guide 1. Next, the lower surface of the tap guide 1 is brought into contact with the surface of the iron plate 5, and the screw introduction portion 3 a of the tap 3 is inserted and placed in a prepared hole 5 a formed in the surface of the iron plate 5. Thereby, the axis of the pilot hole 5a and the axis of the tap 3 can be automatically matched. Next, a tap 3 protruding from the upper end of the guide hole 1a
Is slightly rotated using a wrench or the like.
As a result, the tap 3 is erected and fixed in a vertically positioned state, so that the tap guide 1 and the spring 2 are removed from the tap 3. Finally, the clamp 3d of the tap 3
The portion is pinched and rotated by the chuck portion 4a of the tap handle 4 to perform the female screw processing.
【0014】このように、下穴5aの軸心とタップ3の
軸心とを一致させた後、タップ3がガイド孔2aに保持
された状態でそのネジ導入部3aを下穴1aに挿入し若
干回動させれば、ガイド孔2aによってタップ3の姿勢
が垂直な状態に固定立設され、タップ3の軸心は下穴1
aの軸心と自動的に一致することとなる。After aligning the axis of the pilot hole 5a with the axis of the tap 3, the screw introducing portion 3a is inserted into the pilot hole 1a while the tap 3 is held in the guide hole 2a. If the tap 3 is slightly rotated, the tap 3 is fixed upright by the guide hole 2a, and the axis of the tap 3 is
It will automatically coincide with the axis of a.
【0015】したがって、その後、タップガイド1を取
り外しても、タップ3をふらつくことなく安定した状態
で回動させることができ、タップ3の軸心と下穴5aの
軸心とは一致した状態で雌ネジ加工を容易に施すことが
できる。よって、加工すべき雌ネジ孔が傾斜したり、タ
ップ3が下穴5a内で破損するよう事故を防止すること
ができる。Therefore, even if the tap guide 1 is subsequently removed, the tap 3 can be rotated in a stable state without swaying, and the axis of the tap 3 and the axis of the pilot hole 5a are aligned. Female screw processing can be easily performed. Therefore, it is possible to prevent an accident such that the female screw hole to be processed is inclined or the tap 3 is broken in the prepared hole 5a.
【0016】尚、本発明のタップガイド1は、被切削物
(鉄板)上を容易に移動しないように、鋼鉄や真鍮等の
比重の大きい材質製とするのが望ましい。また、上記実
施例ではタップガイド2の形状を円柱としたが、これに
限定されるものではなく、三角柱、四角柱、六角柱等の
多角柱であってもよい。The tap guide 1 of the present invention is desirably made of a material having a large specific gravity, such as steel or brass, so as not to easily move on the work (iron plate). Further, in the above embodiment, the shape of the tap guide 2 is a cylinder, but the shape is not limited to this, and may be a polygonal prism such as a triangular prism, a quadrangular prism, or a hexagonal prism.
【0017】[0017]
【発明の効果】以上のように、本発明によれば、タップ
の軸心と被切削物に形成した下穴の軸心との一致を容易
に行なうことができるばかりでなく、手作業にてタップ
を回動する際のタップのふらつきを防止することがで
き、雌ネジ加工を安定して正確且つ迅速に行なうことが
できるという優れた効果を有する。As described above, according to the present invention, not only can the axis of the tap and the axis of the pilot hole formed in the workpiece be easily aligned, but also by manual operation. It is possible to prevent the tap from wobbling when the tap is rotated, and has an excellent effect that the female screw processing can be performed stably, accurately and quickly.
【図1】本発明に係るタップガイドを示す分解斜視図で
ある。FIG. 1 is an exploded perspective view showing a tap guide according to the present invention.
【図2】タップガイドの使用状態を示す正面断面図であ
るFIG. 2 is a front sectional view showing a use state of a tap guide.
【図3】タップにタップハンドルを取付けた状態を示す
正面図である。FIG. 3 is a front view showing a state in which a tap handle is attached to the tap.
1 タップガイド 1a ガイド孔 1b 係止段部 2 スプリング 3 タップ 3a ネジ導入部 3b ネジ切り部 3c 直線部 3d 挟着部 4 タップハンドル 4a チャック部 4b 握手 5 被切削物(鉄板) 5a 下穴 DESCRIPTION OF SYMBOLS 1 Tap guide 1a Guide hole 1b Locking stepped part 2 Spring 3 Tap 3a Screw introduction part 3b Threaded part 3c Linear part 3d Clamping part 4 Tap handle 4a Chuck part 4b Handshake 5 Workpiece (iron plate) 5a Prepared hole
Claims (2)
下穴に雌ネジ加工を施すタップの軸心と、前記ネジ下穴
の軸心とを一致させて保持するガイド孔を設けたことを
特徴とするタップガイド。1. A guide hole for holding an axial center of a tap for forming a female screw into a prepared screw hole formed on the surface of an object to be cut such as an iron plate and an axial center of the prepared screw hole. A tap guide characterized by that.
る方向に付勢するバネを設けたことを特徴とする請求項
1記載のタップガイド。2. The tap guide according to claim 1, wherein a spring for urging the inserted tap in a discharging direction is provided in the guide hole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000214227A JP2002028823A (en) | 2000-07-14 | 2000-07-14 | Tap guide |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000214227A JP2002028823A (en) | 2000-07-14 | 2000-07-14 | Tap guide |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2002028823A true JP2002028823A (en) | 2002-01-29 |
Family
ID=18709842
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000214227A Pending JP2002028823A (en) | 2000-07-14 | 2000-07-14 | Tap guide |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2002028823A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107708906A (en) * | 2015-12-30 | 2018-02-16 | 深圳市大富科技股份有限公司 | The Thread Machining Process of wave filter and its cover plate and filter cover board |
-
2000
- 2000-07-14 JP JP2000214227A patent/JP2002028823A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107708906A (en) * | 2015-12-30 | 2018-02-16 | 深圳市大富科技股份有限公司 | The Thread Machining Process of wave filter and its cover plate and filter cover board |
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Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20040120 |
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