JPS5831604Y2 - Spherical surface processing equipment - Google Patents
Spherical surface processing equipmentInfo
- Publication number
- JPS5831604Y2 JPS5831604Y2 JP1977133356U JP13335677U JPS5831604Y2 JP S5831604 Y2 JPS5831604 Y2 JP S5831604Y2 JP 1977133356 U JP1977133356 U JP 1977133356U JP 13335677 U JP13335677 U JP 13335677U JP S5831604 Y2 JPS5831604 Y2 JP S5831604Y2
- Authority
- JP
- Japan
- Prior art keywords
- axis
- pipe material
- face plate
- sliding plate
- main shaft
- 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
Links
Landscapes
- Turning (AREA)
Description
【考案の詳細な説明】
この考案は主として横巾ぐり盤により、パイプ材の端面
を凸状の球帯面とする加工装置に関する。[Detailed Description of the Invention] This invention relates to a processing device that mainly uses a cross-boring machine to form the end face of a pipe material into a convex spherical band surface.
一般に高温ガス等の気送管の継接部は、球面と球面座の
ような球面継接が熱膨張に対する気密性保持に優れてい
る。In general, a spherical joint such as a spherical surface and a spherical seat is excellent in maintaining airtightness against thermal expansion at the joint of a pneumatic pipe for conveying high-temperature gas or the like.
この考案におけるパイプ材のような継接の場合も、その
端面を凸状の球帯面として、凹状の球面座の全面に亘っ
て密接するように精度よく加工することが要求されてい
る。In the case of a joint such as a pipe material in this invention, it is also required that the end face be formed into a convex spherical band surface and precisely machined so as to be in close contact with the entire surface of the concave spherical seat.
従来、このような球帯面を研削加工する場合、ならい旋
盤によるのが通例であるが、ならい加工の場合、モデル
と全く相似に精度よく加工することが極めて困難とされ
ている。Conventionally, when grinding such a spherical zone surface, it is customary to use a profiling lathe, but in the case of profiling, it is extremely difficult to precisely process the surface to exactly resemble the model.
しかも、近時、加工物は大形化、重量化する傾向にあり
、かつ精度の点でも球帯面が全面に亘って球面座とミク
ロンオーダーで密接するような高精度を要求される事態
に至っている。Moreover, in recent years, workpieces have tended to become larger and heavier, and in terms of accuracy, high precision is required, with the spherical belt surface being in close contact with the spherical seat on the order of microns over the entire surface. It has been reached.
かかる事態に、最終的に手仕上げを必要とするような従
来の加工方法では非能率的であることは明らかであり、
充分に対処でき難い欠点を具有するものである。In such a situation, it is clear that conventional processing methods that require manual finishing are inefficient.
It has drawbacks that are difficult to adequately address.
本考案は、刃物を中ぐり盤主軸を含む平面内において、
同主軸に対して円弧状軌跡を摺動板のラックと刃物保持
体の円弧歯車の噛合により行うことによって描（ように
構成し、高精度の数帯面加工が行えるようにした球帯面
加工装置を提供することを目的とするものである。In this invention, the cutter is placed in a plane including the main shaft of the boring machine.
Spherical/zonal surface machining that enables highly accurate multi-zonal surface machining by drawing an arcuate trajectory with respect to the same main shaft by meshing the rack of the sliding plate and the circular arc gear of the cutter holder. The purpose is to provide a device.
この考案は、被加工物たるパイプ材の端面に球帯面を加
工する装置に係り、その要旨は、回転自在の面板“と同
面板の中央部を主軸と直角方向に往復動自在の摺動板と
を具備する中ぐり盤において、上記面板上に軸線が上記
主軸の軸線と直交する状態に枢軸を架設し、同枢軸を回
転中心とする刃物保持体のアーム部を被加工物たるパイ
プ材の中空部に余裕をもって遊合するようにし、上記刃
物保持体の円弧部に上記パイプ材の端面を研削する刃物
を取付けると共に、同円弧部に刻設した円弧歯車を上記
摺動板上に設けたランクに噛合せしめてなる球帯面加工
装置にある。This invention relates to a device for machining a spherical surface on the end face of a pipe material, which is a workpiece. In the boring machine, a pivot is installed on the face plate so that its axis is perpendicular to the axis of the main shaft, and the arm portion of the blade holder that rotates about the pivot is connected to the pipe material that is the workpiece. A cutter for grinding the end face of the pipe material is attached to the arcuate portion of the cutter holder, and an arcuate gear carved in the arcuate portion is provided on the sliding plate so as to fit in the hollow portion with a margin. There is a spherical and belt surface processing device which is formed by meshing with the ranks.
この考案の実施例を図面に基いて説明する。An embodiment of this invention will be described based on the drawings.
この実施例においては、横巾ぐりによる場合を示すが、
縦中ぐりと・しても利用できるものである。In this example, a case using a cross-boring is shown, but
It can also be used as a vertical boring.
図面において、１は周知の中ぐり盤で、主軸２の周りに
回転自在の面板３と同面板の中央部にてランク、ピニオ
ン機構により主軸２と直角方向に往復動自在の摺動板４
とを備えている。In the drawings, reference numeral 1 denotes a well-known boring machine, which includes a face plate 3 that can freely rotate around a main shaft 2, and a sliding plate 4 that can freely reciprocate in a direction perpendicular to the main shaft 2 by a rank and pinion mechanism at the center of the same face plate.
It is equipped with
面板３は、普通数点のＴ形溝を縦横にそれぞれ並設した
ものからなり、その面板縦溝５には内面に一次ラツク６
を刻設した摺動板４が嵌装される。The face plate 3 usually consists of several T-shaped grooves arranged in parallel vertically and horizontally, and the face plate vertical grooves 5 have primary racks 6 on the inner surface.
A sliding plate 4 with engraved on it is fitted.
また、横溝７には後述の刃物保持体の枢軸を支持するた
めのブラケット８がボルト・ナツト９により締結固定せ
しめられる。Further, a bracket 8 for supporting a pivot of a cutter holder, which will be described later, is fastened and fixed to the horizontal groove 7 by bolts and nuts 9.
摺動板４はその表面に、かつ縦方向に直接二次ラック１
０を刻設するか、又又は実施例のように、摺動板縦溝１
１を設け、これに二次ランク１°０を刻設した板体１２
をボルト・ナツト１３により固定することにより間接に
二次ラック１０を設ける。The sliding plate 4 is directly attached to the secondary rack 1 on its surface and in the longitudinal direction.
0 is carved, or as in the embodiment, the sliding plate vertical groove 1
1, and a plate 12 on which a secondary rank 1°0 is engraved.
A secondary rack 10 is indirectly provided by fixing with bolts and nuts 13.
なお、二次ラック１０の両側に凸縁部１４を突設して、
後述する円弧歯車の噛合を横振れじないように案内せし
める。Note that the convex edges 14 are provided protrudingly on both sides of the secondary rack 10,
This guides the meshing of circular arc gears, which will be described later, so that they do not oscillate laterally.
上記のブラケット８には枢軸１５を架設し、面板３上に
おいて、枢軸１５の軸線Ａと主軸２の軸線Ｂとが直交す
る状態に配設する。A pivot 15 is installed on the bracket 8 and arranged on the face plate 3 so that the axis A of the pivot 15 and the axis B of the main shaft 2 are perpendicular to each other.
そうして、この枢軸１５を回転中心とする刃物保持体１
６のアーム部１１の基端を同枢軸にて回転自在に枢着す
る。Then, the knife holder 1 rotates around this pivot 15.
The proximal ends of the arm portions 11 of No. 6 are rotatably mounted on the same axis.
また、同アーム部及びこの両側に位置するブラケット８
を被加工物たるパイプ材１８の中空部１９内に余裕をも
って遊合するように形成し、アーム部１７の先端に連設
した円弧部２０をパイプ材１８め被加土端面外に位置せ
しめ、同円弧部の一端に同被加工端面を研削する刃物２
１をボルト２２にて締結固定するようにしである。In addition, the same arm part and the brackets 8 located on both sides thereof
is formed so as to fit in the hollow part 19 of the pipe material 18 which is the workpiece with a margin, and the circular arc part 20 connected to the tip of the arm part 17 is positioned outside the end surface of the pipe material 18 to be worked. A knife 2 that grinds the same processed end surface at one end of the same circular arc part
1 is fastened and fixed with bolts 22.
さらに、上記円弧部２０の外面には円弧歯車２３を刻設
し、同円弧歯車を上記ラック１０に噛合せしめることに
よって刃物保持体１６に円弧運動□を行わせるようにす
る。Further, an arcuate gear 23 is carved on the outer surface of the arcuate portion 20, and by meshing the arcuate gear with the rack 10, the blade holder 16 is caused to perform an arcuate motion □.
図中、２４ばパイプ材１８に作製される球帯面を示すよ
以上の構ｅ、りよる本球帯面加工装置を周知の中ぐり盤
１に取付けて使用するときは、面板３の回転により同面
板上に軸支される刃物保持体１６□を介し、刃物２１の
刃先が主軸、２の軸線Ｂと直角な面内で円形運動を行う
。In the figure, reference numeral 24 indicates the spherical and strip surface produced on the pipe material 18. The cutting edge of the cutting tool 21 performs a circular motion in a plane perpendicular to the axis B of the main axis 2 via the cutting tool holder 16□ which is pivotally supported on the same plane plate.
刃物保持体１６のアーム部１７は被加工物たるバイラ°
材トロの中空部１９内に余裕をもって遊合されているか
ら、上記円形運動中に、面板３の中央部を縦方向に往復
、動申在の摺動板４に微小な送りをかげれば、同摺動板
上に設けたラック１０と刃物保持体１６の円弧部２０に
刻設した円弧歯車２３との噛合により、刃物保持体１６
が枢軸１５を回転中心とする円弧運動を行うので、円弧
部２０の一端に取付けた刃物２１の刃先がこれより枢軸
１５の軸心に至るまでの距離を一定の回転半径とする円
弧運動を行い、したがって、パイプ材１８の端面に外周
縁より内周縁、或いは内周縁より外周縁に至る所望の凸
状の球帯面２４が作製される。The arm portion 17 of the cutter holder 16 is a bailer which is a workpiece.
Since the material is loosely fitted in the hollow part 19 of the material, during the circular movement, if the central part of the face plate 3 is reciprocated in the vertical direction and the sliding plate 4 is moved, a small amount of feed is caused. By meshing the rack 10 provided on the same sliding plate with the circular arc gear 23 carved in the circular arc portion 20 of the blade holder 16, the blade holder 16
Since the blade moves in an arc around the pivot 15, the cutting edge of the cutter 21 attached to one end of the arc portion 20 moves in an arc with a constant radius of rotation from this point to the axis of the pivot 15. Therefore, a desired convex spherical zone surface 24 extending from the outer circumferential edge to the inner circumferential edge or from the inner circumferential edge to the outer circumferential edge is produced on the end surface of the pipe material 18.
以上の加工において、刃物２・１は円弧歯車２３とラッ
ク１０の噛合によりミ摺動板４の移動量に応答的に主軸
２を含む平面内で円弧状軌跡を描いて変位する。In the above processing, the blades 2, 1 are displaced in response to the amount of movement of the sliding plate 4 by drawing an arcuate locus within a plane including the main shaft 2 due to the meshing of the arcuate gear 23 and the rack 10.
この刃物２１は上記の円弧歯車２３及びラック１０によ
りその変化及び係止時の位置決めが正確に行なわれ、摺
動板４の微小送りに基いて球帯面加工を高精度を有して
なすことができる。The blade 21 is precisely positioned by the arc gear 23 and the rack 10 during its change and locking, and is capable of machining spherical and zonal surfaces with high accuracy based on minute feeds of the sliding plate 4. Can be done.
本考案によれば、上記のように刃物の変位及び位置決め
をラック機構を介し行うようにしたので、極めて簡単な
構成によりパイプ材等の中空体の端面に高精度の球帯面
を能率的に研削加工できるという効果がある。According to the present invention, since the displacement and positioning of the cutter is performed via the rack mechanism as described above, a highly accurate spherical surface can be efficiently formed on the end face of a hollow body such as a pipe material with an extremely simple configuration. It has the effect of being able to be grinded.
しかも、同球帯面の大形化に対しても、・刃物保持体の
大きさによって充分対処できると共に、何らの倍尺機構
によらず直接的な加工であるから、その精度は極めて高
い。Moreover, the increased size of the spherical zone surface can be adequately addressed by the size of the blade holder, and since the machining is performed directly without using any magnification mechanism, the accuracy is extremely high.
さらに、半球以内の任意の球帯面が簡易に得られるばか
りか、刃物の送りを変えることにより、同球帯面内に螺
旋状の油溝などの加工をもできるという効果を併有する
。Furthermore, not only can an arbitrary spherical zone surface within a hemisphere be easily obtained, but also a spiral oil groove or the like can be formed within the same spherical zone surface by changing the feed of the cutter.
第１図は本考案球帯面加工装置の側面図、第２図は同平
面図、第３図は同正面図。
１：中ぐり盤、２：主軸、３：面板、４：摺動板、８ニ
ブラケツト、１０：二次ラック１．１５．：枢軸、１６
：刃物保持体、１７：刃物保持体の・アーム部、１８：
パイプ材、１９：パイプ材の中空部、２０：刃物保持体
の円弧部、２１：刃物、２′３：円弧歯車。FIG. 1 is a side view of the ball-and-zone surface processing apparatus of the present invention, FIG. 2 is a plan view thereof, and FIG. 3 is a front view thereof. 1: Boring machine, 2: Main shaft, 3: Face plate, 4: Sliding plate, 8 nib bracket, 10: Secondary rack 1.15. : Axis, 16
: Blade holder, 17: Arm part of blade holder, 18:
Pipe material, 19: Hollow part of pipe material, 20: Arc part of blade holder, 21: Blade, 2'3: Arc gear.
Claims (1)
復動自在の摺動板とを具備する中ぐり盤において、上記
面板上に軸線が上記主軸の軸線と直交する状態に枢軸を
架設し、同枢軸を回転中心とする刃物保持体のアーム部
を被加工物たるパイプ材の中空部に余裕をもって遊合す
るようにし、上記刃物保持体の円弧部に上記パイプ材の
端面を研削する刃物を取付けると共に、同円弧部に刻設
した円弧歯車を上記摺動板上に設けたラックに噛合せし
めてなる数帯面加工装置。In a boring machine equipped with a rotatable face plate and a sliding plate that allows the central part of the same face plate to reciprocate in a direction perpendicular to the main shaft, a pivot is installed on the face plate in a state where the axis is perpendicular to the axis of the main shaft. Then, the arm portion of the cutter holder, which rotates around the same axis, is made to fit comfortably into the hollow part of the pipe material to be processed, and the end surface of the pipe material is ground into the arcuate portion of the cutter holder. A multi-band surface machining device in which a cutter is attached and a circular arc gear engraved on the same circular arc portion is meshed with a rack provided on the sliding plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1977133356U JPS5831604Y2 (en) | 1977-10-03 | 1977-10-03 | Spherical surface processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1977133356U JPS5831604Y2 (en) | 1977-10-03 | 1977-10-03 | Spherical surface processing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5459595U JPS5459595U (en) | 1979-04-25 |
| JPS5831604Y2 true JPS5831604Y2 (en) | 1983-07-13 |
Family
ID=29101739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1977133356U Expired JPS5831604Y2 (en) | 1977-10-03 | 1977-10-03 | Spherical surface processing equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5831604Y2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS528148Y2 (en) * | 1972-04-13 | 1977-02-21 |
-
1977
- 1977-10-03 JP JP1977133356U patent/JPS5831604Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5459595U (en) | 1979-04-25 |
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