JP3203109U - Adjustable cutter arbor and blade mechanism - Google Patents
Adjustable cutter arbor and blade mechanism Download PDFInfo
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- JP3203109U JP3203109U JP2015006617U JP2015006617U JP3203109U JP 3203109 U JP3203109 U JP 3203109U JP 2015006617 U JP2015006617 U JP 2015006617U JP 2015006617 U JP2015006617 U JP 2015006617U JP 3203109 U JP3203109 U JP 3203109U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 21
- 238000005520 cutting process Methods 0.000 claims abstract description 53
- 230000008878 coupling Effects 0.000 claims description 72
- 238000010168 coupling process Methods 0.000 claims description 72
- 238000005859 coupling reaction Methods 0.000 claims description 72
- 230000002093 peripheral effect Effects 0.000 claims description 28
- 230000004308 accommodation Effects 0.000 claims description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000010730 cutting oil Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 206010001497 Agitation Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
【課題】特に刃具をカッタアーバに対して調整することができる切削加工に用いるカッタアーバと刃具の仕組みを提供する。【解決手段】ホルダ本体１０、固定リング２０、チャック３０、刃具４０、蓋部材６０、複数の同心調整ボルト７０、複数の真直調整ボルト８０を有し、その内、該ホルダ本体１０の外周面に複数の同心調整ネジ穴１２５が形成され、該固定リング２０は、ホルダ本体１０に取り付けられ、その両端面を貫通するように複数の真直調整ネジ穴２１３がホルダ本体１０の軸方向に沿って形成され、該チャック３０は、固定リング２０に嵌め込まれ、該刃具４０は、チャック３０に挿し込まれ、該蓋部材６０は、中心部分に刃具４０が貫通する中心穴６１が形成されるように、固定リング２０に組み合わされ、該同心調整ボルト７０は同心調整ネジ穴１２５と螺合すると共に組立チューブに当接され、該真直調整ボルト８０は真直調整ネジ穴２１３に螺合されると共に、ホルダ本体１０に当接される。【選択図】図２The present invention provides a cutter arbor and a mechanism of a cutter that can be used for cutting, in particular, the cutter can be adjusted with respect to the cutter arbor. A holder main body, a fixing ring, a chuck, a cutting tool, a lid member, a plurality of concentric adjustment bolts, and a plurality of straight adjustment bolts are included. A plurality of concentric adjustment screw holes 125 are formed, and the fixing ring 20 is attached to the holder main body 10, and a plurality of straight adjustment screw holes 213 are formed along the axial direction of the holder main body 10 so as to penetrate both end faces thereof. The chuck 30 is fitted into the fixing ring 20, the blade tool 40 is inserted into the chuck 30, and the lid member 60 is formed with a central hole 61 through which the blade tool 40 penetrates in the center portion. Combined with the fixing ring 20, the concentric adjustment bolt 70 is screwed into the concentric adjustment screw hole 125 and abutted against the assembly tube, and the straight adjustment bolt 80 is fixed to the straight adjustment screw hole 21. With screwed in, it abuts against the holder body 10. [Selection] Figure 2
Description
本考案は、特に刃具をカッタアーバに対して調整することができる切削加工に関するものである。 The present invention particularly relates to a cutting process in which a cutting tool can be adjusted with respect to a cutter arbor.
切削加工作業においては、カッタアーバに刃具を取り付けてから加工マシンに設置し、加工マシンを稼動して切削加工を実施する。既存のカッタアーバ９０は、図７及び図８に示すように、ホルダ本体９１と、固定リング９２と、チャック９３と、蓋部材９５とを有し、その内、該固定リング９２は、ホルダ本体９１に組み合わされ、刃具９４はチャック９３に挿設され、チャック９３及び刃具９４は、固定リング９２に嵌め込まれて蓋部材９５により位置決め、この時、該刃具９４の加工端は、蓋部材９５の中心穴を通って外部に突出し、また、該ホルダ本体９１は、刃具軸心方向９４１を有すると共に、該刃具９４は、刃具軸心方向９４１を有する。 In the cutting work, the cutting tool is attached to the cutter arbor and then installed on the processing machine, and the processing machine is operated to perform cutting. As shown in FIGS. 7 and 8, the existing cutter arbor 90 includes a holder main body 91, a fixing ring 92, a chuck 93, and a lid member 95, and the fixing ring 92 includes the holder main body 91. The cutting tool 94 is inserted into the chuck 93, and the chuck 93 and the cutting tool 94 are fitted into the fixing ring 92 and positioned by the lid member 95. At this time, the processing end of the cutting tool 94 is the center of the lid member 95. The holder body 91 has a cutting tool axis direction 941 and the cutting tool 94 has a cutting tool axis direction 941.
既存のカッタアーバ９０及び刃具９４は、製造または組立て時に、回避不能の誤差が生じることもあるので、カッタアーバ９０と刃具９４との軸心位置または軸心方向を一致させることができなければ、切削加工に大きな誤差が生じてしまう。例えば、図７及び図８によれば、その刃具９４の軸心位置は、ホルダ本体９１の軸心位置と一致しないので、距離Ｇの誤差が生じる（図７の如く）と共に、その刃具９４の刃具軸心方向９４１は、ホルダ本体９１の刃具軸心方向９４１と一致しないので、角度Ａの誤差が生じてしまう（図８の如く）。
そのため、切削加工において、同心位置または真直位置に誤差があれば、切削バランスに劣り、加工精度が低下してしまう。また、既存のカッタアーバ９０は、刃具９４を調整することにより誤差を減らす構造を有しないことから、誤差が生じても直すことができないので、改良する必要がある。
The existing cutter arbor 90 and cutting tool 94 may have unavoidable errors during manufacture or assembly. Therefore, if the axial center position or axial direction of the cutter arbor 90 and the cutting tool 94 cannot be matched, the cutting process is performed. A large error will occur. For example, according to FIGS. 7 and 8, since the axial center position of the blade tool 94 does not coincide with the axial center position of the holder main body 91, an error in the distance G occurs (as shown in FIG. 7) and Since the tool axis direction 941 does not coincide with the tool axis direction 941 of the holder body 91, an error of the angle A occurs (as shown in FIG. 8).
Therefore, if there is an error in the concentric position or the straight position in the cutting process, the cutting balance is inferior and the processing accuracy is lowered. Further, since the existing cutter arbor 90 does not have a structure for reducing the error by adjusting the blade 94, it cannot be repaired even if an error occurs, and needs to be improved.
上述した問題を解決するために、本考案に係る調整可能なカッタアーバと刃具の仕組みは、以下の構造を提供する。 In order to solve the above-described problems, the adjustable cutter arbor and blade mechanism according to the present invention provides the following structure.
本考案に係る調整可能なカッタアーバと刃具の仕組みは、
一側に、フランジ本体と、結合凹部と、複数の同心調整ネジ穴とを備える固定フランジが設けられ、そのうち、該結合凹部は、フランジ本体の端面の中心に凹設され、複数の同心調整ネジ穴はそれぞれ、フランジ本体の外周面に、間隔をおいてホルダ本体の径方向に沿うように形成されると共に、該フランジ本体を貫通して結合凹部と連通し、更に、該同心調整ネジ穴の内周面にネジ山が設けられる、ホルダ本体と、
前記ホルダ本体に取り付けられると共に、結合フランジと、第二結合部と、第一結合部とを備え、そのうち、該結合フランジは、環状部及び複数の真直調整ネジ穴を備え、該環状部の両側にそれぞれ端面が設けられ、それらの真直調整ネジ穴は、ホルダ本体の軸方向に沿って環状部の両端面を貫通するように形成されると共に、それぞれ環状部の中心を円心として環状に配列され、また、該真直調整ネジ穴の内周面にネジ山が設けられ、該第二結合部は、環状部の一側の端面の中心に凸設されると共に、テーパー穴を備え、該第一結合部は、環状部の他側の端面の中心に凸設されると共に、固定フランジの結合凹部に挿設され、また、該第一結合部の外周面に同心調整ネジ穴の位置及び数量と対応する複数の当接面が形成される、固定リングと、
前記固定リングのテーパー穴に嵌め込まれ、その中心を貫通するように形成される貫通穴を備えるチャックと、
前記チャックの貫通穴に挿し込まれる刃具と、
前記第二結合部に組み合わされ、中心部分に、一端が外部に突出するように前記刃具が貫通する中心穴が形成される蓋部材と、
それぞれ外周面にネジ山が設けられ、該ネジ山により対応する同心調整ネジ穴と螺合すると共に、対応する第一結合部の当接面に当接される、複数の同心調整ボルトと、
それぞれ外周面にネジ山が設けられ、該ネジ山により対応する真直調整ネジ穴に螺合されると共に、ホルダ本体の固定フランジに当接される、複数の真直調整ボルトと、を有するものである。
The adjustable cutter arbor and blade mechanism according to the present invention is
A fixed flange having a flange body, a coupling recess, and a plurality of concentric adjustment screw holes is provided on one side, and the coupling recess is recessed at the center of the end surface of the flange body, and includes a plurality of concentric adjustment screws. Each of the holes is formed on the outer peripheral surface of the flange main body so as to be along the radial direction of the holder main body at an interval, and communicates with the coupling recess through the flange main body. Furthermore, the concentric adjustment screw hole A holder body provided with a thread on the inner peripheral surface;
Attached to the holder body, and includes a coupling flange, a second coupling portion, and a first coupling portion, wherein the coupling flange includes an annular portion and a plurality of straight adjustment screw holes, and both sides of the annular portion. The straight adjustment screw holes are formed so as to penetrate both end faces of the annular part along the axial direction of the holder body, and are arranged in an annular shape with the center of the annular part as the center. Further, a screw thread is provided on the inner peripheral surface of the straight adjustment screw hole, and the second coupling portion is provided at the center of the end surface on one side of the annular portion, and includes a tapered hole. The one coupling portion is projected at the center of the end surface on the other side of the annular portion, and is inserted into the coupling recess of the fixed flange, and the position and quantity of concentric adjustment screw holes on the outer peripheral surface of the first coupling portion A fixed ring with a plurality of corresponding contact surfaces ,
A chuck provided with a through hole fitted into the tapered hole of the fixing ring and formed to penetrate the center thereof;
A cutting tool inserted into the through hole of the chuck;
A lid member that is combined with the second coupling portion and has a center hole formed in the center portion through which the cutting tool penetrates so that one end protrudes to the outside;
A plurality of concentric adjustment bolts each provided with a screw thread on the outer peripheral surface, screwed into a corresponding concentric adjustment screw hole by the screw thread, and abutted against a contact surface of the corresponding first coupling portion;
Each of the outer peripheral surfaces is provided with a thread, and has a plurality of straight adjustment bolts that are screwed into the corresponding straight adjustment screw holes by the threads and abutted against the fixing flange of the holder body. .
かかる調整可能なカッタアーバと刃具の仕組みにおいて、
前記第一結合部における環状部と反対する端部に自由端であり、該自由端の端面に環状溝部が凹設され、該環状溝部にオーリングが嵌設されることが好ましい。
In such an adjustable cutter arbor and blade mechanism,
It is preferable that an end portion of the first coupling portion opposite to the annular portion is a free end, an annular groove portion is recessed in an end surface of the free end, and an O-ring is fitted in the annular groove portion.
かかる調整可能なカッタアーバと刃具の仕組みにおいて、
前記各真直調整ボルトの内端近傍の外周面に収容凹部が環状に凹設され、該収容凹部にオーリングが嵌め込まれることが好ましい。
In such an adjustable cutter arbor and blade mechanism,
It is preferable that an accommodating recess is annularly formed on the outer peripheral surface near the inner end of each straight adjustment bolt, and an O-ring is fitted into the accommodating recess.
かかる調整可能なカッタアーバと刃具の仕組みにおいて、
前記固定フランジは複数の当接凹部を備え、それらの当接凹部はそれぞれ、ホルダ本体の軸方向に沿うように、結合凹部の周りに間隔をおいてフランジ本体の端面に凹設され、
それらの真直調整ボルトはそれぞれ、対応する固定フランジの当接凹部に当接されることが好ましい。
In such an adjustable cutter arbor and blade mechanism,
The fixing flange includes a plurality of contact recesses, and each of the contact recesses is recessed in the end surface of the flange body at intervals around the coupling recess so as to be along the axial direction of the holder body.
Each of these straight adjustment bolts is preferably in contact with the corresponding contact recess of the fixing flange.
かかる調整可能なカッタアーバと刃具の仕組みにおいて、
前記固定フランジは、４つの固定ネジ穴及び４つの同心調整ネジ穴を有し、それらの固定ネジ穴はそれぞれ、等角度で結合凹部の周りに配列されると共に、それらの同心調整ネジ穴はそれぞれ、等角度でフランジ本体の外周面に配列され、
前記同心調整ボルトの数量は、同心調整ネジ穴の数量と同様に４つであることが好ましい。
In such an adjustable cutter arbor and blade mechanism,
The fixing flange has four fixing screw holes and four concentric adjustment screw holes, and the fixing screw holes are arranged at equal angles around the coupling recess, and the concentric adjustment screw holes are respectively Arranged on the outer peripheral surface of the flange body at an equal angle,
It is preferable that the number of the concentric adjustment bolts is four similarly to the number of the concentric adjustment screw holes.
かかる調整可能なカッタアーバと刃具の仕組みにおいて、
前記固定フランジは、４つの当接凹部を有し、それらの当接凹部はそれぞれ、等角度で結合凹部の周りに配列され、
前記結合フランジは、４つの真直調整ネジ穴を有し、それらの真直調整ネジ穴はそれぞれ、等角度で当接凹部と対応するように形成され、
前記真直調整ボルトの数量は、真直調整ネジ穴の数量と同様に４つであることが好ましい。
In such an adjustable cutter arbor and blade mechanism,
The fixed flange has four contact recesses, each of which is arranged around the coupling recess at an equal angle,
The coupling flange has four straight adjustment screw holes, and each of the straight adjustment screw holes is formed to correspond to the contact recess at an equal angle,
It is preferable that the number of the straight adjustment bolts is four like the number of the straight adjustment screw holes.
前記構造によれば、本考案に係る調整可能なカッタアーバと刃具の仕組みには、以下のメリットを有する。
１. 本考案に係る調整可能なカッタアーバと刃具の仕組みは、固定フランジに複数の同心調整ネジ穴が形成されると共に、複数の同心調整ボルトがそれぞれ同心調整ネジ穴に螺合されて固定リングの第一結合部に当接されることから、刃具の軸心位置がホルダ本体の軸心位置とずれたとしても調整により、その同心の誤差を修正できる。また、固定リングに複数の調整ネジ穴が形成されると共に、複数の真直調整ボルトがそれぞれ、真直調整ネジ穴と螺合して端部により固定フランジの当接凹部に当接されることから、刃具の軸心方向がホルダ本体の軸心方向と平行しなくても調整により、その真直の誤差を修正できる。このように、本考案に係る調整可能なカッタアーバと刃具の仕組みを用いて切削加工を行えば、刃具をホルダ本体に対して軸心位置及び軸心方向に精確に調整することができることから、優れた刃具の切削バランスにより磨耗が抑えられるので、精度を高めることができる。
According to the above structure, the adjustable cutter arbor and blade mechanism according to the present invention has the following advantages.
1. The mechanism of the adjustable cutter arbor and cutting tool according to the present invention is such that a plurality of concentric adjustment screw holes are formed in the fixing flange, and a plurality of concentric adjustment bolts are screwed into the concentric adjustment screw holes, respectively. Since it is in contact with the first coupling portion, the concentric error can be corrected by adjustment even if the axial center position of the cutting tool deviates from the axial center position of the holder body. In addition, a plurality of adjustment screw holes are formed in the fixing ring, and a plurality of straight adjustment bolts are respectively screwed into the straight adjustment screw holes and brought into contact with the contact recesses of the fixing flange by the end portions. Even if the axial direction of the cutting tool is not parallel to the axial direction of the holder body, the straight error can be corrected by adjustment. Thus, if cutting is performed using the mechanism of the adjustable cutter arbor and cutting tool according to the present invention, the cutting tool can be accurately adjusted in the axial position and the axial direction with respect to the holder body. Since the wear is suppressed by the cutting balance of the cutting tool, the accuracy can be increased.
２. その第一結合部の環状溝部にオーリングが嵌設されることから、切削加工を行う際に、摩擦抑制と冷却のための切削油をホルダ本体と同心調整ボルトとの間の隙間から漏れることを防止できる。 2. Since an O-ring is fitted in the annular groove portion of the first coupling portion, when cutting is performed, cutting oil for friction suppression and cooling is supplied from the gap between the holder body and the concentric adjustment bolt. It can prevent leakage.
３. その真直調整ボルトの収容凹部にもオーリングが嵌め込まれることから、切削加工を行う際に、摩擦抑制と冷却のための切削油を同心調整ボルトと結合フランジの真直調整ネジ穴との間の隙間から漏れることを防止できる。 3. Since the O-ring is also fitted in the recess of the straight adjustment bolt, the cutting oil for friction suppression and cooling is applied between the concentric adjustment bolt and the straight adjustment screw hole of the coupling flange when cutting. Can be prevented from leaking through the gap.
以下、添付図面を参照して本考案の好適な実施の形態を詳細に説明する。尚、下記実施例は、本考案の好適な実施の形態を示したものにすぎず、本考案の技術的範囲は、下記実施例そのものに何ら限定されるものではない。 Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, the following Example is only what showed the preferred embodiment of this invention, and the technical scope of this invention is not limited to the following Example itself at all.
図１乃至図２に示すように、本考案に係る調整可能なカッタアーバと刃具の仕組みは、ホルダ本体１０と、固定リング２０と、チャック３０と、刃具４０と、蓋部材６０と、複数の同心調整ボルト７０と、複数の真直調整ボルト８０を有し、そのうち、該固定リング２０は、ホルダ本体１０に取り付けられ、該刃具４０は、その一端がチャック３０に挿設され、該チャック３０は、刃具４０挟持しながら固定リング２０に取り付けられ、該蓋部材６０は、固定リング２０に組み合わされる。この構成によれば、チャック３０及び刃具４０が蓋部材６０により外部に脱出しないように位置決めると共に、刃具４０の加工端を蓋部材６０から外部に突出させることにより、切削加工を行う。 As shown in FIGS. 1 to 2, the adjustable cutter arbor and blade mechanism according to the present invention includes a holder body 10, a fixing ring 20, a chuck 30, a blade 40, a lid member 60, and a plurality of concentric members. There are an adjustment bolt 70 and a plurality of straight adjustment bolts 80, of which the fixing ring 20 is attached to the holder main body 10, and one end of the blade tool 40 is inserted into the chuck 30. It is attached to the fixing ring 20 while sandwiching the cutting tool 40, and the lid member 60 is combined with the fixing ring 20. According to this configuration, the chuck 30 and the cutting tool 40 are positioned so as not to escape to the outside by the lid member 60, and cutting is performed by projecting the processing end of the cutting tool 40 from the lid member 60 to the outside.
図１、図２及び図４に示すように、前記ホルダ本体１０の一側に、先端へ行くに連れて次第に外径が小さくなるテーパー部１１を有すると共に、他側に、外径が異なる円柱状の固定フランジ１２を有し、該ホルダ本体１０は、テーパー部１１を介して加工マシンに設置され、該固定フランジ１２は、フランジ本体１２１と、結合凹部１２２と、複数の固定ネジ穴１２３と、複数の当接凹部１２４と、複数の同心調整ネジ穴１２５とを備える。 As shown in FIGS. 1, 2, and 4, the holder body 10 has a tapered portion 11 on one side of the holder body 10 that gradually decreases in outer diameter as it goes to the tip, and a circle having a different outer diameter on the other side. The holder main body 10 is installed in a processing machine via the taper portion 11, and the fixing flange 12 includes a flange main body 121, a coupling recess 122, and a plurality of fixing screw holes 123. A plurality of contact recesses 124 and a plurality of concentric adjustment screw holes 125 are provided.
そのうち、前記フランジ本体１２１は、テーパー部１１と反対する側に端面が設けられると共に、環状の外周面を備え、前記結合凹部１２２は、ホルダ本体１０の軸方向に沿ってフランジ本体１２１の端面の中心に凹設され、前記複数の固定ネジ穴１２３はそれぞれ、ホルダ本体１０の軸方向に沿うように、結合凹部１２２の周りに間隔をおいてフランジ本体１２１の端面に凹設され、前記複数の当接凹部１２４はそれぞれ、ホルダ本体１０の軸方向に沿うように、結合凹部１２２の周りに間隔をおいてフランジ本体１２１の端面に凹設され、尚、それらの固定ネジ穴１２３と当接凹部１２４とは交互に配列されることが好ましく、前記固定ネジ穴１２３はネジ穴であると共に、前記当接凹部１２４は皿穴であることが好ましい。また、前記複数の同心調整ネジ穴１２５はそれぞれ、間隔をおいてホルダ本体１０の径方向に沿ってフランジ本体１２１の外周面に形成され、該同心調整ネジ穴１２５は、フランジ本体１２１を貫通して結合凹部１２２と連通し、その内周面にネジ山が設けられる。 Among them, the flange body 121 is provided with an end surface on the side opposite to the tapered portion 11 and has an annular outer peripheral surface, and the coupling recess 122 is formed on the end surface of the flange body 121 along the axial direction of the holder body 10. The plurality of fixing screw holes 123 are recessed in the end surface of the flange main body 121 at intervals around the coupling recess 122 so as to be along the axial direction of the holder main body 10. Each of the contact recesses 124 is recessed in the end surface of the flange main body 121 at intervals around the coupling recess 122 so as to be along the axial direction of the holder body 10. Preferably, the fixing screw holes 123 are screw holes, and the contact recesses 124 are countersunk holes. The plurality of concentric adjustment screw holes 125 are formed on the outer peripheral surface of the flange main body 121 along the radial direction of the holder main body 10 at intervals, and the concentric adjustment screw holes 125 penetrate the flange main body 121. Thus, a thread is provided on the inner peripheral surface thereof.
本実施例において、固定フランジ１２は、４つの固定ネジ穴１２３及び４つの当接凹部１２４を有し、それらの固定ネジ穴１２３はそれぞれ、等角度で結合凹部１２２の周りに配列されると共に、それらの当接凹部１２４は、隣り合う２つの固定ネジ穴１２３の間に位置するように、それぞれ等角度で結合凹部１２２の周りに配列されることが好ましく、また、本実施例の同心調整ネジ穴１２５の数量も４つであり、それらの同心調整ネジ穴１２５はそれぞれ、等角度でフランジ本体１２１の外周面に配列されることが好ましい。 In this embodiment, the fixing flange 12 has four fixing screw holes 123 and four abutting recesses 124, which are each arranged around the coupling recess 122 at an equal angle, These abutting recesses 124 are preferably arranged around the coupling recess 122 at equal angles so as to be positioned between two adjacent fixing screw holes 123, and the concentric adjustment screw of this embodiment. The number of the holes 125 is also four, and the concentric adjustment screw holes 125 are preferably arranged on the outer peripheral surface of the flange main body 121 at an equal angle.
図１、図２及び図５に示すように、前記固定リング２０は、ホルダ本体１０に取り付けられ、結合フランジ２１と、第二結合部２２と、第一結合部２３とを有し、該結合フランジ２１は、環状部２１１と、複数の固定穴２１２と、複数の真直調整ネジ穴２１３とを備え、そのうち、該環状部２１１は、両側にそれぞれ端面が設けられ、該複数の固定穴２１２はそれぞれ、固定ネジ穴１２３と対応すると共に、ホルダ本体１０の軸方向に沿って環状部２１１の両端面を貫通するように形成され、また、環状部２１１の中心を円心として環状に配列され、複数の真直調整ネジ穴２１３はそれぞれ当接凹部１２４と対応すると共に、ホルダ本体１０の軸方向に沿って環状部２１１の両端面を貫通するように形成され、且つ環状部２１１の中心を円心として環状に配列され、更に、それらの固定穴２１２及び真直調整ネジ穴２１３は交互に配列され、該、真直調整ネジ穴２１３の内周面にネジ山が設けられる。 As shown in FIGS. 1, 2, and 5, the fixing ring 20 is attached to the holder body 10, and includes a coupling flange 21, a second coupling portion 22, and a first coupling portion 23. The flange 21 includes an annular portion 211, a plurality of fixing holes 212, and a plurality of straight adjustment screw holes 213, of which the annular portion 211 has end faces on both sides, and the plurality of fixing holes 212 are Respectively corresponding to the fixing screw holes 123 and formed so as to penetrate both end faces of the annular portion 211 along the axial direction of the holder body 10, and arranged in an annular shape with the center of the annular portion 211 as a center, The plurality of straight adjustment screw holes 213 respectively correspond to the contact recesses 124 and are formed so as to penetrate both end faces of the annular portion 211 along the axial direction of the holder body 10, and the center of the annular portion 211 is a center. Arranged in a ring and, further, their fixing holes 212 and straight adjustment screw holes 213 are arranged alternately, the screw thread is provided on the inner peripheral surface of the straight adjustment screw holes 213.
尚、本実施例においては、その結合フランジ２１が、４つの固定穴２１２及び４つの真直調整ネジ穴２１３を備え、それらの固定穴２１２はそれぞれ、等角度で固定ネジ穴１２３と対応するように形成されると共に、それら真直調整ネジ穴２１３はそれぞれ、等角度で当接凹部１２４と対応するように形成されることが好ましい。 In this embodiment, the coupling flange 21 includes four fixing holes 212 and four straight adjustment screw holes 213, and the fixing holes 212 correspond to the fixing screw holes 123 at equal angles, respectively. The straight adjustment screw holes 213 are preferably formed so as to correspond to the contact recesses 124 at an equal angle.
前記第二結合部２２は、環状部２１１における、ホルダ本体１０と反対する端面の中心に凸設され、環状部２１１と反対する端部は自由端であり、その自由端から環状部２１１へ行くに連れて次第に内周面の外径が小さくなるテーパー穴２２１が形成され、外周面における自由端の近傍に、ネジ山である螺合部２２２が形成される。 The second coupling portion 22 is projected at the center of the end surface of the annular portion 211 opposite to the holder body 10, and the end portion opposite to the annular portion 211 is a free end, and goes from the free end to the annular portion 211. As a result, a tapered hole 221 in which the outer diameter of the inner peripheral surface gradually decreases is formed, and a threaded portion 222 that is a screw thread is formed in the vicinity of the free end on the outer peripheral surface.
図１、図２及び図４に示すように、前記第一結合部２３は、環状部２１１における、ホルダ本体１０に面する端面の中心に凸設され、すなわち、環状部２１１における、第二結合部２２と反対する側に設置されて、固定フランジ１２の結合凹部１２２に挿設され、また、環状部２１１と反対する端部に自由端であり、更に複数の当接面２３１及び環状溝部２３２を備える。それらの当接面２３１はそれぞれ、同心調整ネジ穴１２５と対応するように、第一結合部２３の外周面に形成され、該環状溝部２３２は円環状を呈し、第一結合部２３の自由端の端面に凹設され、更にオーリングが嵌設される。尚、本実施例においては、前記第一結合部２３を、同心調整ネジ穴１２５と対応させるために、４つの当接面２３１を備え、また、それらの当接面２３１は等角度で第一結合部２３の外周面に配列される。 As shown in FIGS. 1, 2, and 4, the first coupling portion 23 protrudes from the center of the end surface of the annular portion 211 facing the holder body 10, that is, the second coupling in the annular portion 211. It is installed on the side opposite to the portion 22, is inserted into the coupling recess 122 of the fixed flange 12, is a free end at the end opposite to the annular portion 211, and further has a plurality of contact surfaces 231 and an annular groove portion 232. Is provided. Each of the contact surfaces 231 is formed on the outer peripheral surface of the first coupling portion 23 so as to correspond to the concentric adjustment screw hole 125, and the annular groove portion 232 has an annular shape, and the free end of the first coupling portion 23 is formed. A recess is formed on the end face of the lip, and an O-ring is fitted. In this embodiment, in order to make the first coupling portion 23 correspond to the concentric adjustment screw hole 125, the four contact surfaces 231 are provided, and the contact surfaces 231 are equiangular and have the first angle. Arranged on the outer peripheral surface of the coupling portion 23.
前記固定リング２０をホルダ本体１０に取り付けて固定する構成においては、４つのボルトが必要であり、そのボルトが固定穴２１２を通過してホルダ本体１０の固定ネジ穴１２３に螺合されることによって、固定リング２０をホルダ本体１０に取り付ける。 In the configuration in which the fixing ring 20 is fixed to the holder body 10, four bolts are required, and the bolts pass through the fixing holes 212 and are screwed into the fixing screw holes 123 of the holder body 10. The fixing ring 20 is attached to the holder body 10.
図２及び図４に示すように、前記チャック３０は、固定リング２０と反対する端が大径であり、一方、固定リング２０と結合する端が小径であり、大径の端から小径の端へ行くに連れて次第に外径が小さくなるテーパー状の円柱体を呈し、また、結合部３１と、締め部３２と、掛止溝部３３と、貫通穴３４とを有し、そのうち、該結合部３１は、チャック３０の小径の端の近傍に設けられて、固定リング２０のテーパー穴２２１に嵌め込まれ、該締め部３２は、チャック３０における大径の端の近傍に斜めに形成され、該掛止溝部３３は、円環状を呈し、結合部３１と締め部３２との間に凹設され、該貫通穴３４は、チャック３０の中心を貫通して結合部３１と締め部３２とを連通するように形成される。 As shown in FIGS. 2 and 4, the chuck 30 has an end opposite to the fixing ring 20 having a large diameter, while an end coupled to the fixing ring 20 has a small diameter, and an end having a small diameter from a large diameter end. It has a tapered cylindrical body whose outer diameter gradually decreases as it goes to, and has a coupling portion 31, a fastening portion 32, a retaining groove portion 33, and a through hole 34, of which the coupling portion 31 is provided in the vicinity of the small-diameter end of the chuck 30 and is fitted into the tapered hole 221 of the fixing ring 20, and the fastening portion 32 is formed obliquely in the vicinity of the large-diameter end of the chuck 30. The stop groove portion 33 has an annular shape and is recessed between the coupling portion 31 and the fastening portion 32, and the through hole 34 passes through the center of the chuck 30 to communicate the coupling portion 31 and the fastening portion 32. Formed as follows.
図１、図２及び図４に示すように、前記刃具４０は、切削部４１及び挿設部４２を備え、該切削部４１は、ドリルの螺旋状部分であり、チャック３０と反対する側に設けられ、該挿設部４２は、チャック３０側に設けられ、外径がチャック３０の貫通穴３４と対応するように挿し込まれる。 As shown in FIGS. 1, 2, and 4, the cutting tool 40 includes a cutting portion 41 and an insertion portion 42, and the cutting portion 41 is a spiral portion of the drill and is on the side opposite to the chuck 30. The insertion portion 42 is provided on the chuck 30 side, and is inserted so that the outer diameter corresponds to the through hole 34 of the chuck 30.
図１、図２及び図４に示すように、前記蓋部材６０はキャップ状を呈し、その中央部分に貫通状の中心穴６１が形成されると共に、その内周面にネジ山である螺合構造６２が設けられ、該螺合構造６２が第二結合部２２の螺合部２２２に螺合されることによって、チャック３０が固定リング２０から脱落することを防ぐので、刃具４０の切削部４１を、中心穴６１から外部に突出させて切削加工を行うことができる。 As shown in FIGS. 1, 2 and 4, the lid member 60 has a cap shape, and a through hole center hole 61 is formed in the central portion thereof, and a screw thread which is a thread on the inner peripheral surface thereof. Since the structure 62 is provided, and the screw structure 62 is screwed to the screw portion 222 of the second coupling portion 22, the chuck 30 is prevented from falling off the fixing ring 20, so that the cutting portion 41 of the cutting tool 40 is provided. Can be cut out from the center hole 61 to the outside.
図２乃至図４に示すように、前記各同心調整ボルト７０は、円柱状を呈し、外周面にネジ山が設けられ、その外端面に六角形の締め付け穴７１が凹設され、その内端に当接端７２が設けられる。
また、それらの同心調整ボルト７０はそれぞれ、ネジ山を介して対応する同心調整ネジ穴１２５に螺合されると共に、該当接端７２を介して対応する第一結合部２３の当接面２３１に当接される。
尚、本実施例においては、それらの同心調整ボルト７０がそれぞれ、同心調整ネジ穴１２５と対応するように螺合されることから、同心調整ボルト７０の数量が同心調整ネジ穴１２５の数量と同じく４つであることが好ましく、さらに、該同心調整ボルト７０は、六角穴付き止めネジであってもよい。
As shown in FIGS. 2 to 4, each of the concentric adjustment bolts 70 has a cylindrical shape, a thread is provided on the outer peripheral surface, a hexagonal tightening hole 71 is recessed in the outer end surface, and an inner end thereof. An abutting end 72 is provided on the.
Each of the concentric adjustment bolts 70 is screwed into a corresponding concentric adjustment screw hole 125 via a screw thread, and is attached to a contact surface 231 of the corresponding first coupling portion 23 via a corresponding contact end 72. Abutted.
In the present embodiment, the concentric adjustment bolts 70 are screwed so as to correspond to the concentric adjustment screw holes 125, respectively, so that the number of the concentric adjustment bolts 70 is the same as the number of the concentric adjustment screw holes 125. It is preferable that there are four, and the concentric adjustment bolt 70 may be a hexagon socket set screw.
更に、それらの同心調整ボルト７０はそれぞれ、当接端７２を介して第一結合部２３の当接面２３１に当接されることから、実際の需要に応じて、当接の程度を自由に調整することができる。その構造によれば、刃具４０の軸心位置がホルダ本体１０の軸心位置と一致せずにずれる場合に、使用者が六角レンチを用いて同心調整ボルト７０の締め付け穴７１に挿入して同心調整ボルト７０を回転させて調整することができる。
このように、それらの同心調整ボルト７０による締め付け程度を調整することによって、固定リング２０の第一結合部２３への当接の程度を調整できるので、刃具４０の軸心位置を調整してホルダ本体１０の軸心位置と一致させるように、同心位置の誤差を修正することができる。
Further, each of the concentric adjustment bolts 70 is brought into contact with the contact surface 231 of the first coupling portion 23 via the contact end 72, so that the degree of contact can be freely set according to actual demand. Can be adjusted. According to this structure, when the axial center position of the cutting tool 40 is not aligned with the axial center position of the holder body 10, the user inserts it into the tightening hole 71 of the concentric adjustment bolt 70 using a hexagon wrench. Adjustment bolt 70 can be rotated for adjustment.
Thus, by adjusting the degree of tightening by the concentric adjustment bolts 70, the degree of contact of the fixing ring 20 with the first coupling portion 23 can be adjusted, so that the holder can be adjusted by adjusting the axial center position of the blade 40. The concentric position error can be corrected so as to coincide with the axial position of the main body 10.
図２及び図５に示すように、前記各真直調整ボルト８０は円柱状を呈し、外周面にネジ山が設けられ、その外端面に締め付け穴８１が凹設され、その内端近傍の外周面に収容凹部８２が環状に凹設され、該収容凹部８２にオーリングが嵌め込まれる。
また、それらの真直調整ボルト８０はそれぞれ、ネジ山を介して対応する真直調整ネジ穴２１３に螺合されると共に、該収容凹部８２の近傍の端部を介して、対応する固定フランジ１２の当接凹部１２４に当接される。
尚、本実施例においては、それらの真直調整ボルト８０がそれぞれネジ山を介して、対応する直調整ネジ穴２１３に螺合されることから、真直調整ボルト８０の数量が真直調整ネジ穴２１３の数量と同様の４つであることが好ましく、さらに、該真直調整ボルト８０が六角穴付き止めネジであってもよい。
As shown in FIGS. 2 and 5, each straight adjustment bolt 80 has a cylindrical shape, a thread is provided on the outer peripheral surface, a tightening hole 81 is recessed in the outer end surface, and an outer peripheral surface in the vicinity of the inner end. An accommodation recess 82 is annularly provided in the housing, and an O-ring is fitted into the accommodation recess 82.
Each of the straight adjustment bolts 80 is screwed into the corresponding straight adjustment screw hole 213 via a screw thread, and the corresponding fixing flange 12 is abutted via the end near the receiving recess 82. It abuts on the contact recess 124.
In this embodiment, since the straight adjustment bolts 80 are screwed into the corresponding straight adjustment screw holes 213 through the screw threads, the number of straight adjustment bolts 80 is the same as that of the straight adjustment screw holes 213. It is preferable that the number is the same four, and the straight adjustment bolt 80 may be a hexagon socket set screw.
更に、それらの真直調整ボルト８０はそれぞれ収容凹部８２の近傍の端部を介して、対応する固定フランジ１２の当接凹部１２４に当接されることから、実際の需要に応じて、押し付けの程度を自由に調整することができる。この構造によれば、刃具４０の軸心方向がホルダ本体１０の軸心方向と平行せずに角度に誤差が生じた場合、使用者が自ら六角レンチを真直調整ボルト８０の締め付け穴８１に嵌め込んで真直調整ボルト８０をねじって調整することができる。
このように、それらの真直調整ボルト８０を調整することによって、ホルダ本体１０の当接凹部１２４への押し付け程度を調整することができ、且つ、刃具４０の軸心方向を調整してホルダ本体１０の軸心方向と平行にすることにより、誤差を修正することができる。
Furthermore, since these straight adjustment bolts 80 are respectively brought into contact with the contact recesses 124 of the corresponding fixing flange 12 through the end portions in the vicinity of the receiving recesses 82, the degree of pressing is determined according to actual demand. Can be adjusted freely. According to this structure, when the axial center direction of the cutting tool 40 is not parallel to the axial center direction of the holder main body 10 and an error occurs in the angle, the user fits the hexagon wrench into the fastening hole 81 of the straight adjustment bolt 80 by himself / herself. The straight adjustment bolt 80 can be twisted and adjusted.
Thus, by adjusting those straight adjustment bolts 80, the degree of pressing of the holder body 10 against the contact recess 124 can be adjusted, and the axial direction of the cutting tool 40 can be adjusted to adjust the holder body 10. The error can be corrected by making it parallel to the axial direction.
本考案に係る調整可能なカッタアーバと刃具の仕組みによれば、固定フランジ１２に複数の同心調整ネジ穴１２５が形成されると共に、複数の同心調整ボルト７０がそれぞれ同心調整ネジ穴１２５に螺合されて固定リング２０の第一結合部２３に当接されることから、刃具４０の軸心位置がホルダ本体１０の軸心位置からずれたとしても調整により、その誤差を修正することができる。また、固定リング２０に複数の調整ネジ穴２１３が形成されると共に、複数の真直調整ボルト８０がそれぞれ真直調整ネジ穴２１３に螺合され、その端部が固定フランジ１２の当接凹部１２４に当接されることから、この構造によれば、刃具４０の軸心方向がホルダ本体１０の軸心方向と平行状態にならなくても、調整により、その誤差を修正することができる。
故に、本考案に係る調整可能なカッタアーバと刃具の仕組みを用いて切削加工を行う時、刃具４０をホルダ本体１０に対して精密且つ精確に軸心位置及び軸心方向に調整することができることから、刃具４０の切削バランスが向上して磨耗が抑えられ、精度も高まる。
According to the adjustable cutter arbor and blade mechanism according to the present invention, a plurality of concentric adjustment screw holes 125 are formed in the fixed flange 12 and a plurality of concentric adjustment bolts 70 are respectively screwed into the concentric adjustment screw holes 125. Therefore, even if the axial position of the cutting tool 40 is deviated from the axial position of the holder main body 10, the error can be corrected by adjustment. In addition, a plurality of adjustment screw holes 213 are formed in the fixing ring 20, and a plurality of straight adjustment bolts 80 are respectively screwed into the straight adjustment screw holes 213, and their ends abut against the contact recesses 124 of the fixing flange 12. Therefore, according to this structure, even if the axial center direction of the cutting tool 40 is not parallel to the axial center direction of the holder main body 10, the error can be corrected by adjustment.
Therefore, when cutting is performed using the adjustable cutter arbor and blade mechanism according to the present invention, the blade tool 40 can be precisely and accurately adjusted in the axial position and axial direction with respect to the holder body 10. The cutting balance of the cutting tool 40 is improved, wear is suppressed, and accuracy is increased.
図６に示すように、固定リング２０の第二結合部２２が長ければ長いほど、刃具４０とホルダ本体１０との誤差が大きくなり、加工精度も低下してしまう。この問題を解決するために、そのホルダ本体１０の固定フランジ１２に多くの同心調整ネジ穴１２５を形成すると共に、それに対応する同心調整ボルト７０を複数設置することによって、その軸心位置が精密に調整できるようになったので、同心の誤差を大幅に減少させることができ、また、その固定リング２０の結合フランジ２１に多くの真直調整ネジ穴２１３を形成すると共に、それに対応する真直調整ボルト８０を複数設置することによって、その軸心方向を精密に調整できるようになったので、直線的な誤差の大幅な減少が実現できた。 As shown in FIG. 6, the longer the second coupling portion 22 of the fixing ring 20, the greater the error between the blade 40 and the holder body 10 and the lower the processing accuracy. In order to solve this problem, a number of concentric adjustment screw holes 125 are formed in the fixing flange 12 of the holder main body 10 and a plurality of concentric adjustment bolts 70 corresponding to the concentric adjustment screw holes 70 are installed, so that the axial center position is precisely set. Since the adjustment can be performed, the concentric error can be greatly reduced, and a number of straight adjustment screw holes 213 are formed in the coupling flange 21 of the fixing ring 20, and the straight adjustment bolts 80 corresponding thereto are formed. By installing multiple units, it became possible to adjust the axial direction precisely, so a significant reduction in linear error was achieved.
１０ ホルダ本体
１１ テーパー部
１２ 固定フランジ
１２１ フレンジ本体
１２２ 結合凹部
１２３ 固定ネジ穴
１２４ 当接凹部
１２５ 同心調整ネジ穴
２０ 固定リング
２１ 結合フランジ
２１１ 環状部
２１２ 固定穴
２１３ 真直調整ネジ穴
２２ 第二結合部
２２１ テーパー穴
２２２ 螺合部
２３ 第一結合部
２３１ 当接面
２３２ 環状溝部
３０ チャック
３１ 結合部
３２ 締め部
３３ 掛止溝部
３４ 貫通穴
４０ 刃具
４１ 切削部
４２ 挿設部
６０ 蓋部材
６１ 中心穴
６２ 螺合構造
７０ 同心調整ボルト
７１ 締め付け穴
７２ 当接端
８０ 真直調整ボルト
８１ 締め付け穴
８２ 収容凹部
DESCRIPTION OF SYMBOLS 10 Holder main body 11 Tapered part 12 Fixing flange 121 Frenzy body 122 Coupling recessed part 123 Fixing screw hole 124 Contacting recessed part 125 Concentric adjustment screw hole 20 Fixing ring 21 Coupling flange 211 Annular part 212 Fixing hole 213 Straight adjustment screw hole 22 Second coupling part 221 Tapered hole 222 Threaded portion 23 First coupling portion 231 Abutting surface 232 Annular groove portion 30 Chuck 31 Coupling portion 32 Fastening portion 33 Latching groove portion 34 Through hole 40 Cutting tool 41 Cutting portion 42 Inserting portion 60 Lid member 61 Center hole 62 Threaded structure 70 Concentric adjustment bolt 71 Tightening hole 72 Abutting end 80 Straightness adjustment bolt 81 Tightening hole 82 Receiving recess
Claims (6)
前記ホルダ本体に取り付けられると共に、結合フランジと、第二結合部と、第一結合部とを備え、そのうち、該結合フランジは、環状部及び複数の真直調整ネジ穴を備え、該環状部の両側にそれぞれ端面が設けられ、それらの真直調整ネジ穴は、ホルダ本体の軸方向に沿って環状部の両端面を貫通するように形成されると共に、それぞれ環状部の中心を円心として環状に配列され、また、該真直調整ネジ穴の内周面にネジ山が設けられ、該第二結合部は、環状部の一側の端面の中心に凸設されると共に、テーパー穴を備え、該第一結合部は、環状部の他側の端面の中心に凸設されると共に、固定フランジの結合凹部に挿設され、また、該第一結合部の外周面に同心調整ネジ穴の位置及び数量と対応する複数の当接面が形成される、固定リングと、
前記固定リングのテーパー穴に嵌め込まれ、その中心を貫通するように形成される貫通穴を備えるチャックと、
前記チャックの貫通穴に挿し込まれる刃具と、
前記第二結合部に組み合わされ、中心部分に、一端が外部に突出するように前記刃具が貫通する中心穴が形成される蓋部材と、
それぞれ外周面にネジ山が設けられ、該ネジ山により対応する同心調整ネジ穴と螺合すると共に、対応する第一結合部の当接面に当接される、複数の同心調整ボルトと、
それぞれ外周面にネジ山が設けられ、該ネジ山により対応する真直調整ネジ穴に螺合されると共に、ホルダ本体の固定フランジに当接される、複数の真直調整ボルトと、を有することを特徴とする調整可能なカッタアーバと刃具の仕組み。 A fixed flange having a flange body, a coupling recess, and a plurality of concentric adjustment screw holes is provided on one side, and the coupling recess is recessed at the center of the end surface of the flange body, and includes a plurality of concentric adjustment screws. Each of the holes is formed on the outer peripheral surface of the flange main body so as to extend along the radial direction at an interval, and communicates with the coupling recess through the flange main body. Further, the inner periphery of the concentric adjustment screw hole A holder body with a thread on the surface;
Attached to the holder body, and includes a coupling flange, a second coupling portion, and a first coupling portion, wherein the coupling flange includes an annular portion and a plurality of straight adjustment screw holes, and both sides of the annular portion. The straight adjustment screw holes are formed so as to penetrate both end faces of the annular part along the axial direction of the holder body, and are arranged in an annular shape with the center of the annular part as the center. Further, a screw thread is provided on the inner peripheral surface of the straight adjustment screw hole, and the second coupling portion is provided at the center of the end surface on one side of the annular portion, and includes a tapered hole. The one coupling portion is projected at the center of the end surface on the other side of the annular portion, and is inserted into the coupling recess of the fixed flange, and the position and quantity of concentric adjustment screw holes on the outer peripheral surface of the first coupling portion A fixed ring with a plurality of corresponding contact surfaces ,
A chuck provided with a through hole fitted into the tapered hole of the fixing ring and formed to penetrate the center thereof;
A cutting tool inserted into the through hole of the chuck;
A lid member that is combined with the second coupling portion and has a center hole formed in the center portion through which the cutting tool penetrates so that one end protrudes to the outside;
A plurality of concentric adjustment bolts each provided with a screw thread on the outer peripheral surface, screwed into a corresponding concentric adjustment screw hole by the screw thread, and abutted against a contact surface of the corresponding first coupling portion;
Each of the outer peripheral surfaces is provided with a thread, and has a plurality of straight adjustment bolts that are screwed into the corresponding straight adjustment screw holes by the threads and are brought into contact with the fixing flange of the holder body. Adjustable cutter arbor and blade mechanism.
それらの真直調整ボルトはそれぞれ、対応する固定フランジの当接凹部に当接されることを特徴とする請求項３に記載の調整可能なカッタアーバと刃具の仕組み。 The fixing flange includes a plurality of contact recesses, and each of the contact recesses is recessed in the end surface of the flange body at intervals around the coupling recess so as to be along the axial direction of the holder body.
4. The adjustable cutter arbor and blade mechanism according to claim 3, wherein each of the straight adjustment bolts comes into contact with a contact recess of a corresponding fixing flange.
前記同心調整ボルトの数量は、同心調整ネジ穴の数量と同様に４つであることを特徴とする請求項４に記載の調整可能なカッタアーバと刃具の仕組み。 The fixing flange has four fixing screw holes and four concentric adjustment screw holes, and the fixing screw holes are arranged at equal angles around the coupling recess, and the concentric adjustment screw holes are respectively Arranged on the outer peripheral surface of the flange body at an equal angle,
5. The adjustable cutter arbor and blade mechanism according to claim 4, wherein the number of concentric adjustment bolts is four, similar to the number of concentric adjustment screw holes.
前記結合フランジは、４つの真直調整ネジ穴を有し、それらの真直調整ネジ穴はそれぞれ、等角度で当接凹部と対応するように形成され、
前記真直調整ボルトの数量は、真直調整ネジ穴の数量と同様に４つであることを特徴とする請求項５に記載の調整可能なカッタアーバと刃具の仕組み。 The fixed flange has four contact recesses, each of which is arranged around the coupling recess at an equal angle,
The coupling flange has four straight adjustment screw holes, and each of the straight adjustment screw holes is formed to correspond to the contact recess at an equal angle,
6. The mechanism of an adjustable cutter arbor and cutting tool according to claim 5, wherein the number of straight adjustment bolts is four, similar to the number of straight adjustment screw holes.
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