JP3176145U - Deformation resistant drill pin - Google Patents
Deformation resistant drill pin Download PDFInfo
- Publication number
- JP3176145U JP3176145U JP2012001770U JP2012001770U JP3176145U JP 3176145 U JP3176145 U JP 3176145U JP 2012001770 U JP2012001770 U JP 2012001770U JP 2012001770 U JP2012001770 U JP 2012001770U JP 3176145 U JP3176145 U JP 3176145U
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- Prior art keywords
- blade
- cutting
- discharge groove
- cutting waste
- waste discharge
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- 239000002699 waste material Substances 0.000 claims abstract description 48
- 238000007599 discharging Methods 0.000 claims abstract description 9
- 238000005553 drilling Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
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- Drilling Tools (AREA)
Abstract
【課題】変形耐性のドリルピンを提供する。
【解決手段】末端部に静止点を有する刃部と、刃部は静止点の遠端側において、シャンク部を接続され、刃部の末端は静止点の一側において、第１切削刃を斜め方向に形成し、他側は第２切削刃を斜め方向に形成する。第１切削刃の位置はシャンク部に向かって旋回して第１切削屑排出溝を凹設し、第２切削刃の位置はシャンク部に向かって旋回して第２切削屑排出溝を凹設する。第１切削屑排出溝のねじピッチは等距離によりシャンク部に向かって旋回し、第２切削屑排出溝のねじピッチは距離を変化してシャンク部に向かって旋回することによって、刃部は静止点側付近の側方向において第１切削刃と第２切削刃に対応して、第１切削屑排出溝と第２切削屑排出溝を設けられ、刃部はシャンク部付近の側方向に連絡して第３切削屑排出溝を形成されている。
【選択図】 図２A drill pin that is resistant to deformation is provided.
A blade portion having a stationary point at a distal end portion and a shank portion are connected to the blade portion at a far end side of the stationary point, and the first cutting blade is obliquely inclined at one end of the stationary point at the distal end of the blade portion. The second side is formed in an oblique direction on the other side. The position of the first cutting blade is turned toward the shank portion to recess the first cutting waste discharging groove, and the position of the second cutting blade is turned toward the shank portion to recess the second cutting waste discharging groove. To do. The screw pitch of the first cutting waste discharge groove turns toward the shank portion by equal distance, and the screw pitch of the second cutting waste discharge groove changes the distance and turns toward the shank portion, so that the blade portion is stationary. Corresponding to the first cutting blade and the second cutting blade in the side direction near the point side, a first cutting waste discharge groove and a second cutting waste discharge groove are provided, and the blade portion communicates with the side direction near the shank portion. The third cutting waste discharging groove is formed.
[Selection] Figure 2
Description
本考案は変形耐性のドリルピンに関し、特に穿孔作業において、中心位置の振れを防止でき、穴部の拡大を軽減できるドリルピンに関する。 The present invention relates to a deformation-resistant drill pin, and more particularly, to a drill pin that can prevent center position deflection and reduce expansion of a hole in a drilling operation.
図１を参照する。公知技術のドリルピンの構造は、シャンク部４を有し、シャンク部４の一側は延ばして刃部３を設けられ、刃部３の末端は静止点３１を有し、静止点３１の両側は切削刃３２を形成し、各切削刃３２の一側は、それぞれシャンク部４に向かって旋回してねじピッチが一致の切削屑排出溝３３を凹設する。 Please refer to FIG. The structure of the known drill pin has a shank portion 4, one side of the shank portion 4 is extended to be provided with a blade portion 3, the end of the blade portion 3 has a stationary point 31, and both sides of the stationary point 31 are A cutting blade 32 is formed, and one side of each cutting blade 32 is turned toward the shank portion 4 to form a cutting waste discharge groove 33 having the same screw pitch.
前述とおり、切削刃３２の数が多いほど、切削屑排出溝３３の数も多くなり、刃部３の横断面積も相対的に小さくなる。刃部３全体の強度も相対的に低下し、ドリルピンによる穿孔作業のときは、引き下げてバイトを仕送るときに、刃部３が曲げ変形を引き起して、中心位置の振れ及び穴部の拡大を発生し、穿孔精度を極端に低下される。本考案は前述公知技術の問題と欠点の解決を図る。 As described above, the greater the number of cutting blades 32, the greater the number of cutting waste discharge grooves 33, and the cross-sectional area of the blade portion 3 is also relatively decreased. The strength of the blade part 3 as a whole is also relatively reduced. When drilling with a drill pin, the blade part 3 causes a bending deformation when the tool is pulled down to feed the cutting tool, and the center position of the blade part 3 and the hole part are not bent. Enlarging occurs and the drilling accuracy is extremely reduced. The present invention seeks to solve the problems and disadvantages of the known techniques.
本考案の主な目的は、ドリルピンの刃部がシャンク部付近の側方向の横断面積を刃部が静止点付近の側方向の横断面積より大きく設けることによって、刃部全体の強度を有効に増大して、変形耐性の能力を向上する。 The main purpose of the present invention is to effectively increase the strength of the entire blade by providing the drill pin blade with a greater lateral cross-sectional area near the shank than the side cross-sectional area near the stationary point. Thus, the ability of deformation resistance is improved.
前述目的を達成するため、本考案のドリルピンは、末端部に静止点を有する刃部と、刃部は静止点の遠端側においてシャンク部に接続され、刃部の末端は静止点の一側において、第１切削刃を斜め方向に形成し、他側は第２切削刃を斜め方向に形成する。第１切削刃の位置はシャンク部に向かって旋回して第１切削屑排出溝を凹設し、第２切削刃の位置はシャンク部に向かって旋回して第２切削屑排出溝を凹設する。第１切削屑排出溝のねじピッチは等距離によりシャンク部に向かって旋回し、第２切削屑排出溝のねじピッチは距離を変化してシャンク部に向かって旋回することによって、刃部は静止点側付近の側方向に第１切削刃と第２切削刃に対応して、第１切削屑排出溝と第２切削屑排出溝を設けられ、刃部はシャンク部付近の側方向は連絡して第３切削屑排出溝を形成されている。 In order to achieve the above-described object, the drill pin of the present invention includes a blade portion having a stationary point at the end portion, the blade portion connected to the shank portion at the far end side of the stationary point, and the distal end of the blade portion is one side of the stationary point The first cutting blade is formed in an oblique direction, and the other side is formed with a second cutting blade in an oblique direction. The position of the first cutting blade is turned toward the shank portion to recess the first cutting waste discharging groove, and the position of the second cutting blade is turned toward the shank portion to recess the second cutting waste discharging groove. To do. The screw pitch of the first cutting waste discharge groove turns toward the shank portion by equal distance, and the screw pitch of the second cutting waste discharge groove changes the distance and turns toward the shank portion, so that the blade portion is stationary. Corresponding to the first cutting blade and the second cutting blade in the side direction near the point side, a first cutting waste discharge groove and a second cutting waste discharge groove are provided, and the blade portion communicates in the side direction near the shank portion. The third cutting waste discharging groove is formed.
以下、添付図面を参照して本考案の実施の形態を詳細に説明する。 Embodiments of the present invention will be described below in detail with reference to the accompanying drawings.
図２ないし５を参照する。図から明らかなように、本考案のドリルピン１０は刃部１を有し、刃部１の末端は静止点１１を有する。刃部１は静止点１１の遠端側において、シャンク部２を接続され、刃部１末端の底面において静止点１１の一側は斜め方向に第１切削刃１２を形成し、他側は斜め方向に第２切削刃１３を形成する。静止点１１の一側に備える第１切削刃１２の一側はシャンク部２に向かって旋回して、第１切削屑排出溝１４を凹設され、静止点１１一側に備える第２切削刃１３は、第１切削屑排出溝１４遠端の他側において、シャンク部２に向かって旋回する第２切削屑排出溝１５を凹設されている。第１切削屑排出溝１４のねじピッチは等距離によりシャンク部２に向かって旋回し、第２切削屑排出溝１５のねじピッチは距離を変化してシャンク部２に向かって旋回することによって、第１切削屑排出溝１４がシャンク部２に向かって旋回し、適切な位置に来た後は、第２切削屑排出溝１５と合流して、シャンク部２側に向かって旋回する第３切削屑排出溝１６を形成する。刃部１は、静止点１１付近の側方向において、第１切削刃１２と第２切削刃１３に対応された第１切削屑排出溝１４と第２切削屑排出溝１５を設けられ、刃部１はシャンク部２側方向の付近において連絡し第３切削屑排出溝１６を形成されている。 Reference is made to FIGS. As is clear from the figure, the drill pin 10 of the present invention has a blade portion 1, and the end of the blade portion 1 has a stationary point 11. The blade portion 1 is connected to the shank portion 2 on the far end side of the stationary point 11, and one side of the stationary point 11 forms the first cutting blade 12 in an oblique direction on the bottom surface of the blade portion 1 end, and the other side is oblique. A second cutting blade 13 is formed in the direction. One side of the first cutting blade 12 provided on one side of the stationary point 11 is turned toward the shank portion 2, and the first cutting waste discharging groove 14 is recessed, and the second cutting blade provided on one side of the stationary point 11. 13 is provided with a second cutting waste discharge groove 15 that turns toward the shank portion 2 on the other side of the first end of the first cutting waste discharge groove 14. The screw pitch of the first cutting waste discharge groove 14 is turned toward the shank portion 2 by an equal distance, and the screw pitch of the second cutting waste discharge groove 15 is turned toward the shank portion 2 by changing the distance. After the 1st cutting waste discharge groove | channel 14 turns toward the shank part 2 and comes to an appropriate position, it merges with the 2nd cutting waste discharge groove | channel 15, and turns 3rd cut turning toward the shank part 2 side. The waste discharge groove 16 is formed. The blade portion 1 is provided with a first cutting waste discharge groove 14 and a second cutting waste discharge groove 15 corresponding to the first cutting blade 12 and the second cutting blade 13 in the side direction near the stationary point 11, and the blade portion. 1 communicates in the vicinity of the shank portion 2 side direction, and a third cutting waste discharging groove 16 is formed.
使用者が本考案のドリルピン１０を使用して、工作物（図示しない）の穿孔作業を行うときは、刃部１の末端を工作物の表面に支えて置き、刃部１末端に備える第１切削刃１２と第２切削刃１３によって、工作物の表面を切削する。第１切削刃１２と第２切削刃１３の切削によって形成される切削屑はそれぞれ第１切削刃１２と第２切削刃１３一側に設けられた第１切削屑排出溝１４と第２切削屑排出溝１５を介して、第３切削屑排出溝１６に排出した上、引き続き第３切削屑排出溝１６より、刃部１外部に排出することができる。 When the user drills a workpiece (not shown) using the drill pin 10 according to the present invention, the first end of the blade portion 1 is placed on the surface of the workpiece while the end of the blade portion 1 is supported on the surface of the workpiece. The surface of the workpiece is cut by the cutting blade 12 and the second cutting blade 13. The cutting waste formed by the cutting of the first cutting blade 12 and the second cutting blade 13 is a first cutting waste discharge groove 14 and a second cutting waste provided on one side of the first cutting blade 12 and the second cutting blade 13, respectively. After being discharged to the third cutting waste discharge groove 16 via the discharge groove 15, it can be continuously discharged from the third cutting waste discharge groove 16 to the outside of the blade part 1.
前述とおり、本考案が公知技術の不足及び欠点を解決できる主な技術は、本考案の刃部１は静止点１１付近の側方向において、シャンク部２に向かって旋回する第１切削屑排出溝１４と第２切削屑排出溝１５を凹設され、かつ第１切削屑排出溝１４が旋回して刃部１がシャンク部２付近の側方向に来た後は、第２切削屑排出溝１５と結合及び連絡して第３切削屑排出溝１６を形成する。刃部１のシャンク部２付近の側方向の横断面積は、刃部１の静止点１１付近の側方向の横断面積より大きく、刃部１全体の強度を有効に増大し、穿孔作業のとき、刃部１を引き下げてバイトを仕送るとき、刃部１の曲げ変形量を大きく低減し、中心位置の振れや穴部の拡大を減少して、穿孔精度を大幅に向上することができる。 As described above, the main technique that the present invention can solve the shortages and disadvantages of the known techniques is that the blade part 1 of the present invention turns in the side direction near the stationary point 11 and turns toward the shank part 2. 14 and the second cutting waste discharge groove 15 are recessed, and after the first cutting waste discharge groove 14 turns and the blade portion 1 comes to the side near the shank portion 2, the second cutting waste discharge groove 15. Are connected and communicated with each other to form the third chip discharge groove 16. The lateral cross-sectional area near the shank part 2 of the blade part 1 is larger than the lateral cross-sectional area near the stationary point 11 of the blade part 1, effectively increasing the strength of the entire blade part 1, When feeding the cutting tool by lowering the blade 1, the amount of bending deformation of the blade 1 can be greatly reduced, the deflection of the center position and the enlargement of the hole can be reduced, and the drilling accuracy can be greatly improved.
１０ ドリルピン
１ 刃部
１１ 静止点
１２ 第１切削刃
１３ 第２切削刃
１４ 第１切削屑排出溝
１５ 第２切削屑排出溝
１６ 第３切削屑排出溝
２ シャンク部
３ 刃部
３１ 静止点
３２ 切削刃
３３ 切削屑排出溝
DESCRIPTION OF SYMBOLS 10 Drill pin 1 Blade part 11 Resting point 12 1st cutting blade 13 2nd cutting blade 14 1st cutting waste discharge groove 15 2nd cutting waste discharge groove 16 3rd cutting waste discharge groove 2 Shank part 3 Blade part 31 Resting point 32 Cutting Blade 33 Cutting waste discharge groove
Claims (2)
前記刃部の末端は前記静止点の一側において、斜め方向に第１切削刃を形成し、他側は斜め方向に第２切削刃を形成し、前記第１切削刃の位置には前記シャンク部に向かって旋回する第１切削屑排出溝を凹設し、前記第２切削刃の位置には前記シャンク部に向かって旋回する第２切削屑排出溝を凹設し、前記第１切削屑排出溝のねじピッチは前記シャンク部に向かって等距離により旋回し、前記第２切り屑排出溝のねじピッチは前記シャンク部に向かって距離を変化して旋回し、前記第１切削屑排出溝が前記シャンク部に向かって旋回して適当な位置に来た後は、前記第２切削屑排出溝と合流して、前記シャンク部側に向かって旋回する第３切削屑排出溝を形成することによって、前記刃部は前記静止点付近の側方向において、前記第１切削刃と前記第２切削刃に対応する前記第１切削屑排出溝と前記第２切削屑排出溝を設け、前記刃部は前記シャンク部付近の側方向において連絡し、第３切削屑排出溝を形成することを特徴とする変形耐性のドリルピン。 A blade portion provided with a stationary point at the end portion, and a shank portion connected to the distal end of the stationary point at the blade portion,
The end of the blade portion forms a first cutting blade in an oblique direction on one side of the stationary point, the other side forms a second cutting blade in an oblique direction, and the shank is positioned at the position of the first cutting blade. A first cutting waste discharging groove that turns toward the portion is recessed, and a second cutting waste discharge groove that turns toward the shank portion is recessed at the position of the second cutting blade, and the first cutting waste is provided. The screw pitch of the discharge groove turns at an equal distance toward the shank portion, the screw pitch of the second chip discharge groove turns at a distance toward the shank portion, and the first cutting waste discharge groove After turning toward the shank portion and reaching an appropriate position, the second cutting waste discharge groove is joined to form a third cutting waste discharge groove that turns toward the shank portion side. By the above, the blade portion in the lateral direction near the stationary point, the first cutting The first cutting waste discharge groove and the second cutting waste discharge groove corresponding to the second cutting blade are provided, and the blade portion communicates in a lateral direction near the shank portion to form a third cutting waste discharge groove. A deformation-resistant drill pin characterized by
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012001770U JP3176145U (en) | 2012-03-29 | 2012-03-29 | Deformation resistant drill pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012001770U JP3176145U (en) | 2012-03-29 | 2012-03-29 | Deformation resistant drill pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP3176145U true JP3176145U (en) | 2012-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012001770U Expired - Fee Related JP3176145U (en) | 2012-03-29 | 2012-03-29 | Deformation resistant drill pin |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018192610A (en) * | 2017-02-28 | 2018-12-06 | 株式会社タンガロイ | Body |
-
2012
- 2012-03-29 JP JP2012001770U patent/JP3176145U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018192610A (en) * | 2017-02-28 | 2018-12-06 | 株式会社タンガロイ | Body |
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