JP5974131B1 - Jig for machining precision castings - Google Patents

Jig for machining precision castings Download PDF

Info

Publication number
JP5974131B1
JP5974131B1 JP2015054558A JP2015054558A JP5974131B1 JP 5974131 B1 JP5974131 B1 JP 5974131B1 JP 2015054558 A JP2015054558 A JP 2015054558A JP 2015054558 A JP2015054558 A JP 2015054558A JP 5974131 B1 JP5974131 B1 JP 5974131B1
Authority
JP
Japan
Prior art keywords
precision casting
precision
shaft
holder
jig
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.)
Active
Application number
JP2015054558A
Other languages
Japanese (ja)
Other versions
JP2016172307A (en
Inventor
均 纐纈
纐纈　　均
穣治 纐纈
穣治 纐纈
Original Assignee
株式会社東原工業所
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 株式会社東原工業所 filed Critical 株式会社東原工業所
Priority to JP2015054558A priority Critical patent/JP5974131B1/en
Application granted granted Critical
Publication of JP5974131B1 publication Critical patent/JP5974131B1/en
Publication of JP2016172307A publication Critical patent/JP2016172307A/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Jigs For Machine Tools (AREA)
  • Gripping On Spindles (AREA)

Abstract

【課題】精密鋳造部品の軸心に対する同軸度を高度に維持した状態で保持でき、精密鋳造部品の軸部の接合用端面および凹部内を通常の旋盤などで品質良くかつ能率的に加工できる精密鋳造部品の加工用治具を提供する。【解決手段】本発明の精密鋳造部品の加工用治具１は、精密鋳造部品８０の他方の軸部８３を保持すると共に精密鋳造部品８０を一方の軸部８１側に向かって軸心に沿って押圧可能なセンター部材１０と、精密鋳造部品８０の中間部８６において軸心と直交しかつ一方の軸部８１寄りの基準面８７に当接する基準面当接面２１と一方の軸部８１を貫通させる中空部２２を有するリング部２０と、リング部２０の内側に取り付けられ精密鋳造部品８０の中間部８７の背盤部の側部または側面８９を保持して精密鋳造部品８０を内側に向かって押圧する環状弾性部材３０と、精密鋳造部品８０を収容可能な精密鋳造部品収容用凹部４１を備えたホルダー４０とを有している。【選択図】図１[PROBLEMS] To maintain a high degree of coaxiality with respect to the axis of a precision cast part, and to accurately and efficiently process the end face and the concave part of the shaft part of the precision cast part with a normal lathe. Provide jigs for casting parts. A precision casting component processing jig 1 according to the present invention holds the other shaft portion 83 of the precision casting component 80 and moves the precision casting component 80 toward the one shaft portion 81 along the axis. The center member 10 that can be pressed, the reference surface contact surface 21 that contacts the reference surface 87 that is orthogonal to the shaft center and close to one shaft portion 81 in the intermediate portion 86 of the precision casting component 80, and the one shaft portion 81. The ring part 20 having the hollow part 22 to be penetrated and the side part or the side face 89 of the back part of the intermediate part 87 of the precision casting part 80 attached to the inside of the ring part 20 are held and the precision casting part 80 faces the inside. And an annular elastic member 30 to be pressed, and a holder 40 having a precision casting part accommodating recess 41 capable of accommodating the precision casting part 80. [Selection] Figure 1

Description

本発明は、例えばターボチャージャーのインペラー部分となる複数の羽根部を含む精密鋳造部品の加工用治具に関する。   The present invention relates to a jig for processing a precision cast part including a plurality of blade portions that serve as impeller portions of a turbocharger, for example.

図２は、本発明の加工用治具による仕上げ加工の対象となる、ターボチャージャーのインペラー部分となる羽根部を有する精密鋳造部品８０の縦断面を示すものである。この精密鋳造部品８０は、例えばロストワックス法により造型された鋳型のキャビティに、溶けた鋳鋼を減圧吸い上げ鋳造することで鋳造され、両端に同心である一対の軸部８１，８３と、これらの間に位置する中間部８６とを一体に有している。図２中、左側に示す一方の軸部８１は、図示しない回転軸に接合される鋳肌の接合用端面８４を有しており、この接合用端面８４の中心部には、凹部８４ａが鋳造において同時に形成されている。また、右側に示された他方の軸部８３は、鋳造時において湯口に接続していた端面８２を有している。さらに、精密鋳造部品８０の中間部８６の外側には螺旋形状を呈する複数の羽根部８８が渦巻き状かつ放射状に一体に形成されていると共に、背盤部の側部８９を有している。   FIG. 2 shows a longitudinal section of a precision cast part 80 having blade portions that become impeller portions of a turbocharger, which is an object of finishing by the processing jig of the present invention. This precision cast part 80 is cast by vacuum casting a molten cast steel into a mold cavity formed by, for example, the lost wax method, and a pair of shaft portions 81 and 83 that are concentric at both ends, and a space between them. And an intermediate portion 86 located at the same position. In FIG. 2, one shaft portion 81 shown on the left side has an end surface 84 for casting that is bonded to a rotating shaft (not shown), and a concave portion 84 a is cast at the center of the end surface 84 for bonding. At the same time. The other shaft portion 83 shown on the right side has an end face 82 connected to the gate at the time of casting. Further, a plurality of spiral blade portions 88 are integrally formed in a spiral shape and a radial shape outside the intermediate portion 86 of the precision casting part 80 and have a side portion 89 of the backboard portion.

この精密鋳造部品８０は、一方の軸部８１寄りに基準面（背盤部の背面）８７を有しており、この基準面８７は、一対の軸部８１，８３の軸心方向と直交している。このため、精密鋳造部品８０を一方の軸部８１の接合用端面８４を介して図示しない回転軸に溶接などによって接合する前に、予め接合用端面８４が基準面８７と平行な平坦面になるように、切削や研磨する仕上げ加工が施されている。   This precision cast part 80 has a reference surface (back surface of the backboard) 87 near one shaft portion 81, and this reference surface 87 is orthogonal to the axial direction of the pair of shaft portions 81, 83. ing. For this reason, before joining the precision casting part 80 to the rotating shaft (not shown) via the joining end face 84 of one shaft portion 81 by welding or the like, the joining end face 84 becomes a flat surface parallel to the reference plane 87 in advance. As described above, a finishing process is performed such as cutting and polishing.

ところで、精密鋳造部品８０の基準面８７は、中間部８６の複数の羽根部８８における軸部８１寄りの端面に大きく露出しつつ展開しているため、通常の旋盤などのチャックでは保持できない。また、他方の軸部８３も細径でかつ短いため、やはり旋盤などのチャックでは保持できない。このため、精密鋳造部品８０における一方の軸部８１の接合用端面８４を仕上げ加工する工程では、バラ付きが生じ易くかつ時間を要するという問題点があり、本願出願人は先にこのような精密鋳造部品の軸部の接合用端面を通常の旋盤などで品質良くかつ能率的に仕上げ加工できる精密鋳造部品の加工用治具を提案している（特開２００４−４２１９８号公報）。   By the way, the reference surface 87 of the precision casting part 80 is unfolded while being largely exposed on the end surfaces near the shaft portion 81 of the plurality of blade portions 88 of the intermediate portion 86, and therefore cannot be held by a chuck such as a normal lathe. Further, since the other shaft portion 83 is also thin and short, it cannot be held by a chuck such as a lathe. For this reason, in the step of finishing the joining end face 84 of the one shaft portion 81 in the precision casting part 80, there is a problem that it is easy to cause variation and time is required. A processing jig for precision casting parts has been proposed (Jpn. Pat. Appln. KOKAI Publication No. 2004-42198) which can efficiently and efficiently finish the joining end face of the shaft part of the casting part with a normal lathe.

しかし、近年、タービンインペラーの高バランス化に伴い、軸部８３の接合用端面８４のみならず、凹部８４ａ内の高精度な加工が求められるようになっており、さらに、精密鋳造部品の軸心に対する同軸度を高度に維持した状態で保持できる精密鋳造部品の加工用治具が求められるようになった。   However, in recent years, with higher balance of the turbine impeller, not only the joining end face 84 of the shaft 83 but also the recess 84a is required to be processed with high accuracy, and the shaft center of the precision casting part is further required. Therefore, there is a need for a jig for machining precision cast parts that can maintain a high degree of coaxiality with respect to.

特開２００４−４２１９８号公報JP 2004-42198 A

そこで、本発明の課題は、精密鋳造部品の軸心に対する同軸度を高度に維持した状態で保持でき、精密鋳造部品の軸部の接合用端面および凹部内を通常の旋盤などで品質良くかつ能率的に加工できる精密鋳造部品の加工用治具を提供することにある。   Therefore, the object of the present invention is to maintain a high degree of coaxiality with respect to the axis of the precision casting part, and to maintain the quality of the end face and the recess in the shaft part of the precision casting part with a normal lathe. An object of the present invention is to provide a jig for machining precision casting parts that can be machined automatically.

上記課題を解決するものは、両端に同心の一対の軸部を備え前記一対の軸部の間に中間部を一体に有する精密鋳造部品を保持して、回転軸などを接合する一方の軸部の接合用端面または凹部内を加工するための精密鋳造部品の加工用治具であって、
前記精密鋳造部品の他方の軸部を保持すると共に、前記精密鋳造部品を前記一方の軸部側に向かって軸心に沿って押圧可能なセンター部材と、
前記精密鋳造部品の中間部において軸心と直交しかつ前記一方の軸部寄りの基準面に当接する基準面当接面と、前記一方の軸部を貫通させる中空部を有するリング部と、
該リング部の内側に取り付けられ、前記精密鋳造部品の中間部の背盤部の側部または側面を保持して前記精密鋳造部品を内側に向かって押圧する環状弾性部材と、
前記センター部材を収容し、かつ前記リング部を固定すると共に、前記精密鋳造部品を収容可能な精密鋳造部品収容用凹部を備えたホルダーとを有していることを特徴とする精密鋳造部品の加工用治具である（請求項１）。 What solves the above-mentioned problem is that one shaft portion that has a pair of concentric shaft portions at both ends and holds a precision cast part integrally having an intermediate portion between the pair of shaft portions, and joins a rotating shaft or the like A precision casting part processing jig for processing the end face for bonding or the inside of the recess,
A center member capable of holding the other shaft portion of the precision cast component and pressing the precision cast component along the axis toward the one shaft portion side;
A reference surface abutting surface that is perpendicular to an axis at the middle portion of the precision casting part and abuts on a reference surface near the one shaft portion; and a ring portion having a hollow portion that passes through the one shaft portion;
An annular elastic member that is attached to the inside of the ring portion and holds the side or side surface of the back part of the intermediate portion of the precision cast part and presses the precision cast part inward;
A precision casting part processing comprising: a holder having a precision casting part accommodating recess for accommodating the center member and fixing the ring part and capable of accommodating the precision casting part (Claim 1).

前記環状弾性部材は、中空の略円錐台形状に形成され、前記ホルダーの開口部側に向かって縮径するように前記リング部の内側に取り付けられていることが好ましい（請求項２）。前記センター部材は、前記ホルダーの前記精密鋳造部品収容用凹部の底面に連通する貫通孔内に弾性部材を介して収容されると共に、先端部に前記精密鋳造部品の他方の軸部の端部形状と噛合する保持用凹部を有していることが好ましい（請求項３）。前記ホルダーは、側壁部に前記精密鋳造部品を前記精密鋳造部品収容用凹部内に挿入するための精密鋳造部品挿入用開口部を有していることが好ましい（請求項４）。前記リング部は、前記ホルダーの前記開口部に締結部材により着脱可能に固定されていることが好ましい（請求項５）。前記リング部は、外方に向かって拡径する円錐状のテーパ面を有していることが好ましい（請求項６）。   The annular elastic member is preferably formed in a hollow substantially truncated cone shape and is attached to the inside of the ring portion so as to reduce the diameter toward the opening side of the holder. The center member is accommodated via an elastic member in a through hole communicating with the bottom surface of the concave portion for accommodating the precision cast component of the holder, and the end portion of the other shaft portion of the precision cast component is formed at the tip portion. It is preferable to have a holding concave portion that meshes with (a third aspect). Preferably, the holder has a precision casting part insertion opening for inserting the precision casting part into the precision casting part receiving recess in the side wall. It is preferable that the ring portion is detachably fixed to the opening of the holder by a fastening member. The ring portion preferably has a conical tapered surface whose diameter increases outward.

請求項１に記載した精密鋳造品の加工用治具によれば、精密鋳造部品の軸心に対する同軸度を高度に維持した状態で保持でき、精密鋳造部品の軸部の接合用端面および凹部内を通常の旋盤などで品質良くかつ能率的に加工することができる。具体的には、精密鋳造品の加工用治具は、精密鋳造部品の他方の軸部をセンター部材によって一方の軸部側へ軸心に沿って押圧しながら保持し、中間部の基準面をリング部の基準面当接面にて保持し、さらに、環状弾性部材にて中間部の背盤部の側部または側面を精密鋳造部品の内側に向かって押圧しながら強固に保持する。この状態で、精密鋳造部品の一方の軸部はその接合用端面および凹部がリング部の中空部を貫通して外部に突出し、精密鋳造部品は一対の軸部の軸心方向と基準面とが直角に交差した姿勢でセンター部材とリング部に挟まれ、さらに、環状弾性部材にて中間部の背盤部の側部または側面が内側に向かって押圧されてホルダーの精密鋳造部品収容用凹部内に強固に保持される。このため、精密鋳造品の加工用治具を例えば旋盤のスピンドルシャフトに固定して回転させて精密鋳造部品の接合用端面や凹部をバイトにより切削したり、研磨工具により研磨しても、同軸度が高度に維持されるため、接合用端面および凹部を品質良くかつ能率的に加工することができる。
請求項２に記載した精密鋳造品の加工用治具によれば、環状弾性部材が中間部の複数の羽根部に触れない状態で中間部の背盤部の側部または側面のみと当接して中間部の背盤部の側部または側面のみをその弾性力により内側に向かって押圧することができる。
請求項３に記載した精密鋳造部品の加工用治具によれば、センター部材が、弾性部材による弾性力によって精密鋳造部品の他方の軸部をリング部側に向かって押し付けると共に、精密鋳造部品の他方の軸部とセンター部材とが保持用凹部で噛合しているため、同軸度がより高度に維持されて、接合用端面および凹部をより品質良くかつ能率的に加工することができる。
請求項４に記載した精密鋳造部品の加工用治具によれば、精密鋳造部品をホルダーの側壁部に設けられた精密鋳造部品挿入用開口部から挿入できることで、各部材を取り外すことなく、容易に精密鋳造部品をホルダーの精密鋳造部品収容用凹部内に装着できる。また、背盤部の径より羽根部の径が大きい精密鋳造部品でも精密鋳造部品収容用凹部内に装着できる。
請求項５に記載した精密鋳造部品の加工用治具によれば、リング部がホルダーの精密鋳造部品収容用凹部の開口部にボルトなどの締結部材により着脱可能に固定されるため、精密鋳造部品をその軸心が中間部の基準面と直角に交差した姿勢でかつセンター部材とリング部により軸心方向に沿って挟まれた状態でホルダー内に収容することができ、一方の軸部の接合用端面を中間部の基準面と平行な平坦面に一層容易に加工することができる。
請求項６に記載した精密鋳造部品の加工用治具によれば、リング部が外方に向かって拡径する円錐状のテーパ面を有しているため、テーパ面によって切削用のバイトなどをリング部により接触させることなく、一方の軸部の接合用端面に当てて切削したり、研磨する加工を一層容易に行うことができる。 According to the precision casting product processing jig described in claim 1, the precision casting component can be held with a high degree of coaxiality with respect to the axis of the precision casting component. Can be processed with good quality and efficiency on a normal lathe. Specifically, the precision casting product processing jig holds the other shaft portion of the precision casting part while pressing the shaft portion toward the one shaft portion by the center member along the axis, and serves as a reference surface of the intermediate portion. The ring portion is held by the reference surface abutting surface, and further, the annular elastic member is firmly held while pressing the side portion or the side surface of the back portion of the intermediate portion toward the inside of the precision casting part. In this state, one end of the precision casting part has a joining end face and a recess projecting outside through the hollow part of the ring part, and the precision casting part has the axial direction of the pair of shaft parts and the reference surface. It is sandwiched between the center member and the ring part in a posture that intersects at right angles, and the side or side surface of the back part of the intermediate part is pressed inward by the annular elastic member, and inside the concave part for accommodating precision casting parts of the holder Firmly held. For this reason, even if a processing jig for precision casting is fixed to a spindle shaft of a lathe and rotated to cut the end face or recess of a precision casting part with a cutting tool or a polishing tool, Is maintained at a high level, so that the joining end face and the recess can be processed efficiently and efficiently.
According to the precision casting product processing jig described in claim 2, the annular elastic member is in contact with only the side portion or the side surface of the back portion of the intermediate portion without touching the plurality of blade portions of the intermediate portion. Only the side portion or the side surface of the backboard portion of the intermediate portion can be pressed inward by the elastic force.
According to the precision casting part processing jig described in claim 3, the center member presses the other shaft part of the precision casting part toward the ring part side by the elastic force of the elastic member, and the precision casting part Since the other shaft portion and the center member are engaged with each other by the holding recess, the coaxiality is maintained at a higher level, and the joining end face and the recess can be processed with higher quality and efficiency.
According to the precision casting part processing jig described in claim 4, the precision casting part can be inserted from the precision casting part insertion opening provided in the side wall of the holder, so that each member can be easily removed. In addition, the precision casting part can be mounted in the precision casting part receiving recess of the holder. Further, even a precision cast part having a blade diameter larger than the diameter of the back board can be mounted in the recess for accommodating the precision cast part.
According to the precision casting part processing jig according to claim 5, the ring part is detachably fixed to the opening of the concave part for accommodating the precision casting part of the holder by a fastening member such as a bolt. Can be accommodated in the holder in a posture in which the axial center intersects with the reference plane of the intermediate portion at a right angle and is sandwiched along the axial direction by the center member and the ring portion. The end surface for use can be more easily processed into a flat surface parallel to the reference surface of the intermediate portion.
According to the precision casting part processing jig described in claim 6, since the ring portion has a conical taper surface whose diameter increases outward, a cutting tool or the like is cut by the taper surface. Without making contact with the ring portion, it is possible to more easily perform the process of cutting or polishing against the end face for joining of one shaft portion.

本発明の精密鋳造部品の加工用治具の一実施例の使用状態を説明するための縦断面図である。It is a longitudinal cross-sectional view for demonstrating the use condition of one Example of the jig | tool for a precision casting component processing of this invention. 本発明の精密鋳造部品の加工用治具により保持される精密鋳造部品の一実施例の縦断面図である。It is a longitudinal cross-sectional view of one Example of the precision casting component hold | maintained with the jig | tool for processing of the precision casting component of this invention. 図１に示した精密鋳造部品の加工用治具の作用を説明するための縦断面図である。It is a longitudinal cross-sectional view for demonstrating the effect | action of the jig | tool for a precision casting component processing shown in FIG. 図１に示した精密鋳造部品の加工用治具のホルダーを説明するための説明図であり、（Ａ）は正面図、（Ｂ）は右側面図、（Ｃ）は背面図である。It is explanatory drawing for demonstrating the holder of the jig | tool for a precision casting component shown in FIG. 1, (A) is a front view, (B) is a right view, (C) is a rear view. 図１に示した精密鋳造部品の加工用治具の環状弾性部材を説明するための説明図であり、（Ａ）は正面図、（Ｂ）は右側面図である。It is explanatory drawing for demonstrating the cyclic | annular elastic member of the jig | tool for a precision casting component processing shown in FIG. 1, (A) is a front view, (B) is a right view. 図１に示した精密鋳造部品の加工用治具のセンター部材を説明するための説明図であり、（Ａ）は正面図、（Ｂ）は右側面図、（Ｃ）は背面図である。It is explanatory drawing for demonstrating the center member of the jig | tool for a precision casting component shown in FIG. 1, (A) is a front view, (B) is a right view, (C) is a rear view. 図１に示した精密鋳造部品の加工用治具のリング部を説明するための説明図であり、（Ａ）は正面図、（Ｂ）は右側面図である。It is explanatory drawing for demonstrating the ring part of the jig | tool for a precision casting component processing shown in FIG. 1, (A) is a front view, (B) is a right view. 図１に示した精密鋳造部品の加工用治具の使用状態を説明するための拡大部分断面図である。It is an expanded partial sectional view for demonstrating the use condition of the jig | tool for a precision casting component processing shown in FIG. 図１に示した精密鋳造部品の加工用治具を旋盤に固定した状態を示す概略図である。It is the schematic which shows the state which fixed the processing jig of the precision casting components shown in FIG. 1 to the lathe.

本発明は、精密鋳造部品８０の他方の軸部８３を保持すると共に、精密鋳造部品８０を一方の軸部８１側に向かって軸心に沿って押圧可能なセンター部材１０と、精密鋳造部品８０の中間部８６において軸心と直交しかつ一方の軸部８１寄りの基準面８７に当接する基準面当接面２１と一方の軸部８１を貫通させる中空部２２を有するリング部２０と、リング部２０の内側に取り付けられ精密鋳造部品８０の中間部８７の背盤部の側部または側面８９を保持して精密鋳造部品８０を内側に向かって押圧する環状弾性部材３０と、センター部材１０を収容し、かつリング部２０を固定すると共に、精密鋳造部品８０を収容可能な精密鋳造部品収容用凹部４１を備えたホルダー４０とを有することで、精密鋳造部品の軸心に対する同軸度を高度に維持した状態で保持でき、精密鋳造部品の軸部の接合用端面および凹部内を通常の旋盤などで品質良くかつ能率的に加工することができる精密鋳造部品の加工用治具を実現した。   The present invention holds the other shaft portion 83 of the precision casting component 80 and can press the precision casting component 80 toward the one shaft portion 81 along the axis, and the precision casting component 80. A ring portion 20 having a reference surface abutting surface 21 that is perpendicular to the shaft center and abutting a reference surface 87 near one shaft portion 81 and a hollow portion 22 that penetrates one shaft portion 81 in the intermediate portion 86 of the ring, An annular elastic member 30 that is attached to the inside of the part 20 and holds the side or side surface 89 of the back part of the intermediate part 87 of the precision casting part 80 and presses the precision casting part 80 inward, and the center member 10 It has a holder 40 equipped with a precision casting part accommodation recess 41 capable of accommodating and fixing the ring part 20 and accommodating the precision casting part 80, so that the coaxiality of the precision casting part with respect to the axis is highly enhanced. It is held in lifting state, to achieve a working jig of precision casting parts that can be processed with high quality and efficiently a precision casting parts shaft portion joining the end face and the recess of the conventional lathe or the like.

本発明の精密鋳造部品の加工用治具を図１ないし図８に示した一実施例を用いて説明する。
この実施例の精密鋳造部品の加工用治具１は、図１に示すように、両端に同心の一対の軸部８１，８３を備え一対の軸部８１，８３の間に中間部８６を一体に有する精密鋳造部品８０を保持して、回転軸などを接合する一方の軸部８１の接合用端面８４または凹部８４ａ内を加工するための精密鋳造部品８０の加工用治具であって、精密鋳造部品８０の他方の軸部８３を保持すると共に、精密鋳造部品８０を一方の軸部８１側に向かって軸心に沿って押圧可能なセンター部材１０と、精密鋳造部品８０の中間部８６において軸心と直交しかつ一方の軸部８１寄りの基準面８７に当接する基準面当接面２１と一方の軸部８１を貫通させる中空部２２を有するリング部２０と、リング部２０の内側に取り付けられ、精密鋳造部品８０の中間部８７の背盤部の側部または側面８９を保持して精密鋳造部品８０を内側に向かって押圧する環状弾性部材３０と、センター部材１０を収容し、かつリング部２０を固定すると共に、精密鋳造部品８０を収容可能な精密鋳造部品収容用凹部４１を備えたホルダー４０とを有している。以下、各構成について詳述する。 A processing jig for precision casting parts according to the present invention will be described with reference to one embodiment shown in FIGS.
As shown in FIG. 1, the precision casting part processing jig 1 of this embodiment includes a pair of concentric shaft portions 81, 83 at both ends, and an intermediate portion 86 integrated between the pair of shaft portions 81, 83. Is a processing jig for the precision casting part 80 for processing the inside of the joining end face 84 or the concave part 84a of the one shaft part 81 that holds the precision casting part 80 and is joined to the precision part. In the center member 10 that holds the other shaft portion 83 of the cast component 80 and can press the precision cast component 80 along the axis toward the one shaft portion 81 side, and an intermediate portion 86 of the precision cast component 80 A ring portion 20 having a reference surface abutting surface 21 that is perpendicular to the shaft center and abutting a reference surface 87 near one shaft portion 81, a hollow portion 22 that penetrates one shaft portion 81, and the inside of the ring portion 20 Attached and intermediate part 87 of precision cast part 80 An annular elastic member 30 that holds the side or side surface 89 of the backboard portion and presses the precision casting part 80 inward, accommodates the center member 10, and fixes the ring part 20, and the precision casting part 80 And a holder 40 provided with a concave portion 41 for accommodating precision cast parts. Hereinafter, each configuration will be described in detail.

この実施例の精密鋳造部品の加工用治具１は、精密鋳造部品８０の基準面８７と平行になるような姿勢で常に接合用端面８４を切削および研磨できることに加え、軸心に対する同軸度を高度に維持した姿勢で精密鋳造部品を保持すべく着想されたものである。   In addition to being able to always cut and polish the joining end face 84 in a posture that is parallel to the reference surface 87 of the precision casting part 80, the precision casting part processing jig 1 of this embodiment has a coaxial degree with respect to the axis. It was conceived to hold precision cast parts in a highly maintained position.

図９は、精密鋳造部品の加工用治具１を旋盤９０にセットした状態を示す。すなわち、精密鋳造部品の加工用治具１は、旋盤９０においてバイトを固定する往復台９１を左右にスライドして支持するベッド９２の一端に位置する主軸台９３のスピンドルシャフト９４に固定され、かつ回転可能に保持されて、精密鋳造部品８０を加工することができるものである。   FIG. 9 shows a state in which the processing jig 1 for precision casting parts is set on a lathe 90. That is, the precision casting part processing jig 1 is fixed to a spindle shaft 94 of a headstock 93 positioned at one end of a bed 92 that slides and supports a carriage 91 for fixing a tool on a lathe 90 to the left and right, and The precision cast component 80 can be processed while being held rotatably.

ホルダー４０は、図３または図４に示すように、外形が円筒形であり内側に円柱形空間で、かつ外形とほぼ相似形の精密鋳造部品収容用凹部４１を有する本体４２と、精密鋳造部品収容用凹部４１の底面４３を形成する底壁４４に連なる縮径部４５と、縮径部４５の端部から円盤状に突出したフランジ４６とを有している。   As shown in FIG. 3 or FIG. 4, the holder 40 includes a main body 42 having a concave portion 41 for accommodating a precision cast part, which has a cylindrical outer shape, a cylindrical space inside, and a shape substantially similar to the outer shape, and a precision cast part. It has a reduced diameter portion 45 that continues to the bottom wall 44 that forms the bottom surface 43 of the accommodating recess 41, and a flange 46 that protrudes in a disk shape from the end of the reduced diameter portion 45.

図３または図４（Ａ）に示すように、ホルダー４０の本体４２の開口部４７側には、複数の雌ネジ孔４８が形成されている。また、本体４２の底壁４４には比較的小径の通し孔４９が開口し、縮径部４５の中心部には通し孔４９と同心で、かつこれを介して精密鋳造部品収容用凹部４１と一端が連通する比較的大径の貫通孔５０が形成されている。さらに、ホルダー４０の本体４２は、図４（Ｂ）に示すように、側壁部に精密鋳造部品８０を精密鋳造部品収容用凹部４１内に挿入するための一対の精密鋳造部品挿入用開口部５１を対称に有している。   As shown in FIG. 3 or FIG. 4A, a plurality of female screw holes 48 are formed on the opening 47 side of the main body 42 of the holder 40. Further, a through hole 49 having a relatively small diameter is opened in the bottom wall 44 of the main body 42, and the concave portion 41 for accommodating a precision cast part is concentric with the through hole 49 at the center of the reduced diameter portion 45. A relatively large-diameter through hole 50 having one end communicating therewith is formed. Further, as shown in FIG. 4B, the main body 42 of the holder 40 has a pair of precision casting part insertion openings 51 for inserting the precision casting part 80 into the precision casting part accommodating recess 41 on the side wall part. Is symmetrical.

貫通孔５０は、図３または図４（Ｃ）に示すように、本体４２や精密鋳造部品収容用凹部４１と同心で、かつその他端がフランジ４６の浅い凹み４６ａの中心部に開口し、フランジ４６には複数の通し孔５２が形成されている。以上のようなホルダー４０は、例えば鋳鋼の精密鋳造または鋼塊の切削加工により一体に形成される。   As shown in FIG. 3 or FIG. 4 (C), the through hole 50 is concentric with the main body 42 and the concave portion 41 for accommodating the precision casting component and opens at the center of the shallow recess 46a of the flange 46 at the other end. A plurality of through holes 52 are formed in 46. The holder 40 as described above is integrally formed by, for example, precision casting of cast steel or cutting of a steel ingot.

リング部２０は、図３または図７に示すように、円盤状で中心部に貫通して設けられた中空部２２と、外方に向かって拡径する円錐状のテーパ面２３と、精密鋳造部品８０の一方の軸部８１の基準面８７に当接する基準面当接面２１と、フランジ部２４とを有している。   As shown in FIG. 3 or FIG. 7, the ring portion 20 includes a hollow portion 22 that is formed in a disc shape so as to penetrate the center portion, a conical tapered surface 23 that expands outward, and a precision casting. It has a reference surface abutting surface 21 that abuts on a reference surface 87 of one shaft portion 81 of the component 80, and a flange portion 24.

ホルダー４０内に精密鋳造部品８０が装着されると、中空部２２内からは、図８に示すように、精密鋳造部品８０の一方の軸部８１の接合用端面８４および凹部８４ａが露呈するように構成されている。また、外方に向かって拡径する円錐状のテーパ面２３が設けられることにより、切削用のバイトなどをリング部２０に接触させることなく、一方の軸部８１の接合用端面８４に当てて切削したり研磨する加工を一層容易に行うことができるように構成されている。さらに、基準面当接面２１は、図８に示すように、ホルダー４０の内側に向かって突出した環状突起の上面にて形成されており、基準面当接面２１が精密鋳造部品８０の一方の軸部８１の基準面８７に当接することで精密鋳造部品８０をホルダー４０の開口部４７側から保持するように構成されている。   When the precision casting component 80 is mounted in the holder 40, the joining end face 84 and the recess 84a of one shaft portion 81 of the precision casting component 80 are exposed from the hollow portion 22 as shown in FIG. It is configured. Further, by providing the conical taper surface 23 whose diameter increases outward, the cutting tool or the like is brought into contact with the joining end surface 84 of the one shaft portion 81 without contacting the ring portion 20. It is configured so that cutting or polishing can be performed more easily. Further, as shown in FIG. 8, the reference surface abutting surface 21 is formed on the upper surface of an annular protrusion protruding toward the inside of the holder 40, and the reference surface abutting surface 21 is one of the precision casting parts 80. The precision casting component 80 is configured to be held from the opening 47 side of the holder 40 by abutting against the reference surface 87 of the shaft portion 81.

フランジ部２４には、図３に示すように複数の通し孔２５が形成されており、これらにボルトを螺合させてリング部２０をホルダー４０に固定するように構成されている。以上のようなリング部２０は、例えば鋳鋼の精密鋳造または鋼片を切削加工して形成される。   As shown in FIG. 3, a plurality of through holes 25 are formed in the flange portion 24, and bolts are screwed into these to fix the ring portion 20 to the holder 40. The ring part 20 as described above is formed by, for example, precision casting of cast steel or cutting a steel piece.

センター部材１０は、精密鋳造部品８０の他方の軸部８３を保持すると共に、精密鋳造部品８０を一方の軸部８１側に向かって軸心に沿って押圧するためのものであり、図６に示すように、円柱形の軸部１１と、先端部に設けられ精密鋳造部品８０の他方の軸部８３の端部形状と噛合する保持用凹部１２と、軸部１１の後端から外側に放射状に延びるフランジ１３とを有し、フランジ１３は、その内側に位置するほぼ円形溝の収納部１４と、太径部１５とを有している。   The center member 10 is for holding the other shaft portion 83 of the precision casting component 80 and pressing the precision casting component 80 along the axis toward the one shaft portion 81 side. As shown, a cylindrical shaft portion 11, a holding recess 12 that is provided at the tip portion and meshes with the end shape of the other shaft portion 83 of the precision casting part 80, and radially outward from the rear end of the shaft portion 11. The flange 13 has a housing portion 14 of a substantially circular groove located inside and a large diameter portion 15.

図１または図３に示すように、センター部材１０の軸部１１の大半および後端側のフランジ１３は、ホルダー４０の縮径部４５内の貫通孔５０内にスライド可能に収容され、軸部１１の先端側は小径の通し孔４９にスライド可能に収容されている。貫通孔５０内において、センター部材１０の軸部１１の周囲には、コイルバネ（バネ）１６が巻き付けられ、かつホルダー４０の底壁４４と収納部１４との間に介在している。   As shown in FIG. 1 or FIG. 3, most of the shaft portion 11 of the center member 10 and the flange 13 on the rear end side are slidably accommodated in the through hole 50 in the reduced diameter portion 45 of the holder 40. 11 is slidably accommodated in a small-diameter through hole 49. In the through hole 50, a coil spring 16 is wound around the shaft portion 11 of the center member 10 and is interposed between the bottom wall 44 of the holder 40 and the storage portion 14.

センター部材１０は、ドローバーＳを介して、その軸方向に沿って図１で左側にスライド可能とされると共に、その軸部１１に巻き付けたコイルバネ１６により、図３に示すように、右側に復帰するように付勢されている。   The center member 10 can be slid to the left in FIG. 1 along its axial direction via the draw bar S, and is returned to the right as shown in FIG. 3 by a coil spring 16 wound around the shaft 11. It is energized to do.

環状弾性部材３０は、精密鋳造部品８０の中間部８７の背盤部の側部または側面（この実施例では円環状側面または円柱体の外周面）８９を保持して精密鋳造部品８０を内側に向かって押圧するためのものであり、図１に示すように、リング部２０の内側に締結部材６０にて固定された環状リング６１により、リング部２０と環状リング６１との間に軸方向に沿って挟圧して固定されてリング部２０の内側に取り付けられている。精密鋳造部品８０は、この環状（円環状）弾性部材３０によって中間部８６の背盤部の側部または側面８９が、装着時の弾性反発力により内側に向かって押圧されながら保持されることにより、さらにホルダー４０内に強固に保持されるように構成されている。   The annular elastic member 30 holds the side portion or side surface 89 (in this embodiment, the annular side surface or the outer peripheral surface of the cylindrical body) 89 of the back plate portion of the intermediate portion 87 of the precision casting component 80 to bring the precision casting component 80 inward. As shown in FIG. 1, an annular ring 61 fixed to the inner side of the ring portion 20 by a fastening member 60 causes an axial direction between the ring portion 20 and the annular ring 61. It is fixed by being squeezed along and attached to the inside of the ring portion 20. The precision casting component 80 is held by the annular (annular) elastic member 30 while the side portion or the side surface 89 of the back plate portion of the intermediate portion 86 is pressed inward by the elastic repulsive force at the time of mounting. Further, it is configured to be firmly held in the holder 40.

この実施例の環状弾性部材３０は環状圧縮バネにて構成されている。具体的には、環状弾性部材３０は、図５に示すように、環状線条体３１が軸方向の一端と他端の間の折り返しを繰り返して円環状に形成されており、内部に精密鋳造部品８０の中間部８６が配されると、その反発力により環状線条体３１の間に形成された多数の間隙が収縮する方向に作用して中間部８６の背盤部の側部または側面８９を内側に向かって押圧するように構成されている。このため、中間部８６の背盤部の側部または側面８９外側が内側に向かって押圧されて精密鋳造部品８０がホルダー４０内により強固に保持されるように構成されている。   The annular elastic member 30 of this embodiment is constituted by an annular compression spring. Specifically, as shown in FIG. 5, the annular elastic member 30 has an annular linear body 31 formed in an annular shape by repeatedly folding back between one end and the other end in the axial direction, and precision casting is performed inside. When the intermediate portion 86 of the component 80 is disposed, the repulsive force acts in a direction in which a large number of gaps formed between the annular striate bodies 31 contract, and the side portion or the side surface of the back portion of the intermediate portion 86. It is comprised so that 89 may be pressed toward inner side. For this reason, the side part of the back part of the intermediate part 86 or the outside of the side face 89 is pressed inward, so that the precision casting part 80 is held more firmly in the holder 40.

また、環状弾性部材３０は、図５（Ｂ）に示すように、中空の略円錐台形状に形成されており、ホルダー４０の開口部４７側に向かって縮径するようにリング部２０の内側に取り付けられている。このため、環状弾性部材３０が精密鋳造部品８０の中間部８６の中間部８６の背盤部の側部または側面８９をその弾性力により内側に向かって押圧するため、より強固に保持することができ、精密鋳造部品８０の軸心に対する同軸度がより高度に維持されて、接合用端面８４および凹部８４ａをさらに品質良くかつ能率的に加工することができるように構成されている。また、環状弾性部材が中間部の複数の羽根部に触れない状態で中間部の背盤部の側部または側面のみと当接して中間部の背盤部の側部または側面のみをその弾性力により内側に向かって押圧することができる。   Further, as shown in FIG. 5 (B), the annular elastic member 30 is formed in a hollow substantially truncated cone shape, and the inner side of the ring portion 20 is reduced in diameter toward the opening 47 side of the holder 40. Is attached. For this reason, since the annular elastic member 30 presses the side part or the side surface 89 of the back part of the intermediate part 86 of the intermediate part 86 of the precision casting part 80 toward the inside by its elastic force, it can be held more firmly. In addition, the coaxiality with respect to the axial center of the precision casting part 80 is maintained at a higher level, and the joining end face 84 and the recess 84a can be processed with higher quality and efficiency. In addition, the annular elastic member is in contact with only the side or side of the backboard part of the intermediate part without touching the plurality of blade parts of the intermediate part, and only the side or side of the backboard part of the intermediate part has its elastic force. Can be pressed inward.

つぎに、精密鋳造部品の加工用治具１の使用方法を説明する。
図９は、旋盤９０のスピンドルシャフト９４に精密鋳造部品の加工用治具１を固定すると共に、ホルダー４０の精密鋳造部品収容用凹部４１内に精密鋳造部品８０（図示しない）を収容した状態を示す。すなわち、精密鋳造部品の加工用治具１は、図９に示すように、ホルダー４０のフランジ４６を、旋盤９０のスピンドルシャフト９４の左側面に嵌合し、スピンドルシャフト９４のネジ孔（図示しない）にフランジ４６の通し孔５２を貫通したボルト（図示しない）を締結することによりスピンドルシャフト９４に固定され、かつスピンドルシャフト９４と共に回転可能に支持されている。なお、センター部材１０の太径部１５側およびドローバーＳは、図１または図３に示すように、左右方向にスライド可能となっている。 Next, a method of using the precision casting part processing jig 1 will be described.
FIG. 9 shows a state in which the precision casting part processing jig 1 is fixed to the spindle shaft 94 of the lathe 90 and the precision casting part 80 (not shown) is accommodated in the precision casting part accommodating recess 41 of the holder 40. Show. That is, as shown in FIG. 9, the precision casting part processing jig 1 is configured such that the flange 46 of the holder 40 is fitted to the left side surface of the spindle shaft 94 of the lathe 90 and screw holes (not shown) of the spindle shaft 94 are inserted. ) Is fastened to the spindle shaft 94 by being fastened with a bolt (not shown) penetrating the through hole 52 of the flange 46, and is rotatably supported together with the spindle shaft 94. The large-diameter portion 15 side of the center member 10 and the draw bar S are slidable in the left-right direction as shown in FIG. 1 or FIG.

ホルダー４０の開口部４７側には、環状弾性部材３０を固定したリング部２０が、複数のボルトを通し孔２５にネジ込むことにより、予め固定されている（図３の状態）。そして、精密鋳造部品８０を、ホルダー４０の精密鋳造部品収容用凹部４１内に精密鋳造部品挿入用開口部５１から環状弾性部材３０の内側に配置する。つぎに、センター部材１０が、ドローバーＳによって、図１に示すように左側へスライドされ、精密鋳造部品８０における他方の軸部８３の先端部は、センター部材１０の保持用凹部１２と噛合して保持される。この際、コイルバネ１６は、図１に示すように圧縮されている。   On the opening 47 side of the holder 40, the ring portion 20 to which the annular elastic member 30 is fixed is fixed in advance by screwing a plurality of bolts into the through holes 25 (state of FIG. 3). Then, the precision casting component 80 is disposed inside the annular elastic member 30 from the precision casting component insertion opening 51 in the precision casting component accommodation recess 41 of the holder 40. Next, the center member 10 is slid leftward by the draw bar S as shown in FIG. 1, and the tip of the other shaft portion 83 of the precision casting part 80 is engaged with the holding recess 12 of the center member 10. Retained. At this time, the coil spring 16 is compressed as shown in FIG.

上記の状態でホルター４０内への精密鋳造部品８０の装着は完了するが、この状態では、精密鋳造品の加工用治具１は、図１に示すように、精密鋳造部品８０の他方の軸部８３をセンター部材１０によって一方の軸部８１側へ軸心に沿って押圧しながら保持し、中間部８６の基準面８７をリング部２０の基準面当接面２１にて保持し、さらに、環状弾性部材３０にて中間部８６の背盤部の側部または側面８９を精密鋳造部品８０の内側に向かって押圧しながら強固に保持する。そして、精密鋳造部品８０の一方の軸部８１はその接合用端面８４および凹部８４ａがリング部２０の中空部２２を貫通して外部に突出し、精密鋳造部品８０は一対の軸部８１，８３の軸心方向と基準面８７とが直角に交差した姿勢でセンター部材１０とリング部２０に挟まれ、さらに、環状弾性部材３０にて内側に向かって押圧されてホルダー４０の精密鋳造部品収容用凹部４１内に強固に保持されている。このため、精密鋳造品の加工用治具１を例えば旋盤９０のスピンドルシャフト９４に固定して回転させて精密鋳造部品８０の接合用端面８４や凹部８４ａをバイト（図示しない）により切削したり、研磨工具により研磨しても、精密鋳造部品８０の軸心に対する同軸度が高度に維持されているため、接合用端面８４および凹部８４ａを品質良くかつ能率的に加工することができる。加工後の精密鋳造部品８０は、ドローバーＳを後退させ、コイルバネ１６のバネ圧によりセンター部材１０を元の位置（図３の位置）に復帰させた後、精密鋳造部品挿入用開口部５１から外部に取り出すことができる。   In the above state, the mounting of the precision casting part 80 into the halter 40 is completed. In this state, the precision casting product processing jig 1 is connected to the other shaft of the precision casting part 80 as shown in FIG. The portion 83 is held by the center member 10 while being pressed along the axis toward the one shaft portion 81 side, the reference surface 87 of the intermediate portion 86 is held by the reference surface abutment surface 21 of the ring portion 20, The annular elastic member 30 firmly holds the side portion or the side surface 89 of the back portion of the intermediate portion 86 while pressing it toward the inside of the precision casting component 80. Then, one shaft portion 81 of the precision casting part 80 has a joining end face 84 and a recess 84a protruding through the hollow portion 22 of the ring portion 20 and projecting to the outside, and the precision casting part 80 has a pair of shaft portions 81 and 83. A concave portion for accommodating a precision casting component of the holder 40, which is sandwiched between the center member 10 and the ring portion 20 in a posture in which the axial direction and the reference surface 87 intersect at a right angle and further pressed inward by the annular elastic member 30. It is firmly held in 41. For this reason, the precision casting product processing jig 1 is fixed to the spindle shaft 94 of the lathe 90 and rotated to cut the joining end face 84 and the concave portion 84a of the precision casting part 80 with a cutting tool (not shown), Even if polishing is performed with a polishing tool, the coaxiality with respect to the axis of the precision casting component 80 is maintained at a high level, so that the joining end face 84 and the recess 84a can be processed with high quality and efficiency. After machining, the precision cast part 80 retracts the draw bar S, returns the center member 10 to the original position (position shown in FIG. 3) by the spring pressure of the coil spring 16, and then passes through the precision cast part insertion opening 51 to the outside. Can be taken out.

なお、本発明の精密鋳造部品の加工用治具は、上述した形態に限定されるものではなく、例えば、ホルダーはリング部とが一体的に構成され、センター部材を収容可能で、かつ内部に精密鋳造部品収容用凹部を有するものであれば上記形態に限定されない。また、センター部材の軸部は、四角柱や六角柱などの多角柱でもよく、ホルダーの貫通孔内に介在されるバネも、コイルバネに限定されず、板バネや密封された圧力流体などを用いてもよい、さらに、環状弾性部材も、リング部の内側に取り付けられ、精密鋳造部品の中間部の背盤部の側部または側面を保持して精密鋳造部品を内側に向かって押圧するものであれば上記形態に限定されない。さらに、本発明の加工治具の対象となる精密鋳造部品は、上記ターボチャージャーのインペラー部分となる羽根部を有する形態に限らず、両端に一対の軸部を有し、これらの間に適宜形状を付され、かつ前記基準面を含む中間部を有する形態であれば特に限定されない。   Note that the precision casting part processing jig of the present invention is not limited to the above-described form. For example, the holder is integrally formed with the ring part, can accommodate the center member, and is provided inside. The present invention is not limited to the above form as long as it has a precision casting part accommodating recess. Further, the shaft portion of the center member may be a polygonal column such as a quadrangular column or a hexagonal column, and the spring interposed in the through hole of the holder is not limited to the coil spring, but a plate spring or a sealed pressure fluid is used. Further, the annular elastic member is also attached to the inside of the ring part, and holds the side or side surface of the back plate part in the middle part of the precision casting part and presses the precision casting part inward. If it exists, it is not limited to the said form. Furthermore, the precision casting part which is the object of the processing jig of the present invention is not limited to the form having the blade part which becomes the impeller part of the turbocharger, but has a pair of shaft parts at both ends, and an appropriate shape between them. If it is a form which is attached | subjected and has an intermediate part containing the said reference plane, it will not specifically limit.

１ 精密鋳造部品の加工用治具
１０ センター部材
２０ リング部
２１ 基準面当接面
２２ 中空部
３０ 環状弾性部材
４０ ホルダー
４１ 精密鋳造部品収容用凹部
８０ 精密鋳造部品
８１ 一方の軸部
８３ 他方の軸部
８４ 接合用端面
８４ａ 凹部
８６ 中間部
８７ 基準面
９０ 旋盤
９１ 往復台
９２ ベッド
９３ 主軸台
９４ スピンドルシャフト DESCRIPTION OF SYMBOLS 1 Jig for precision casting parts 10 Center member 20 Ring part 21 Reference surface contact surface 22 Hollow part 30 Annular elastic member 40 Holder 41 Precision casting part accommodating recess 80 Precision casting part 81 One shaft part 83 The other shaft Part 84 end face 84a for concavity 86 concave part 86 intermediate part 87 reference plane 90 lathe 91 carriage 92 bed 93 headstock 94 spindle shaft

Claims (6)

両端に同心の一対の軸部を備え前記一対の軸部の間に中間部を一体に有する精密鋳造部品を保持して、回転軸などを接合する一方の軸部の接合用端面または凹部内を加工するための精密鋳造部品の加工用治具であって、
前記精密鋳造部品の他方の軸部を保持すると共に、前記精密鋳造部品を前記一方の軸部側に向かって軸心に沿って押圧可能なセンター部材と、
前記精密鋳造部品の中間部において軸心と直交しかつ前記一方の軸部寄りの基準面に当接する基準面当接面と、前記一方の軸部を貫通させる中空部を有するリング部と、
該リング部の内側に取り付けられ、前記精密鋳造部品の中間部の背盤部の側部または側面を保持して前記精密鋳造部品を内側に向かって押圧する環状弾性部材と、
前記センター部材を収容し、かつ前記リング部を固定すると共に、前記精密鋳造部品を収容可能な精密鋳造部品収容用凹部を備えたホルダーとを有していることを特徴とする精密鋳造部品の加工用治具。 A precision casting part having a pair of concentric shaft portions at both ends and having an intermediate portion integrally between the pair of shaft portions is held, and the inside of a joining end surface or recess of one shaft portion that joins a rotating shaft or the like. It is a processing jig for precision casting parts for processing,
A center member capable of holding the other shaft portion of the precision cast component and pressing the precision cast component along the axis toward the one shaft portion side;
A reference surface abutting surface that is perpendicular to an axis at the middle portion of the precision casting part and abuts on a reference surface near the one shaft portion; and a ring portion having a hollow portion that passes through the one shaft portion;
An annular elastic member that is attached to the inside of the ring portion and holds the side or side surface of the back part of the intermediate portion of the precision cast part and presses the precision cast part inward;
A precision casting part processing comprising: a holder having a precision casting part accommodating recess for accommodating the center member and fixing the ring part and capable of accommodating the precision casting part Jig. 前記環状弾性部材は、中空の略円錐台形状に形成され、前記ホルダーの開口部側に向かって縮径するように前記リング部の内側に取り付けられている請求項１に記載の精密鋳造部品の加工用治具。 2. The precision cast component according to claim 1, wherein the annular elastic member is formed in a hollow, substantially truncated cone shape, and is attached to the inside of the ring portion so as to reduce in diameter toward the opening side of the holder. Processing jig. 前記センター部材は、前記ホルダーの前記精密鋳造部品収容用凹部の底面に連通する貫通孔内に弾性部材を介して収容されると共に、先端部に前記精密鋳造部品の他方の軸部の端部形状と噛合する保持用凹部を有している請求項１または２に記載の精密鋳造部品の加工用治具。 The center member is accommodated via an elastic member in a through hole communicating with the bottom surface of the concave portion for accommodating the precision cast component of the holder, and the end portion of the other shaft portion of the precision cast component is formed at the tip portion. The processing jig for precision casting parts according to claim 1, further comprising a holding recessed portion that meshes with the recessed portion. 前記ホルダーは、側壁部に前記精密鋳造部品を前記精密鋳造部品収容用凹部内に挿入するための精密鋳造部品挿入用開口部を有している請求項１ないし３のいずれかに記載の精密鋳造部品の加工用治具。 4. The precision casting according to claim 1, wherein the holder has a precision casting part insertion opening for inserting the precision casting part into the precision casting part receiving recess in the side wall part. 5. Jig for processing parts. 前記リング部は、前記ホルダーの前記開口部に締結部材により着脱可能に固定されている請求項１ないし４のいずれかに記載の精密鋳造部品の加工用治具。 5. The precision casting component processing jig according to claim 1, wherein the ring portion is detachably fixed to the opening of the holder by a fastening member. 前記リング部は、外方に向かって拡径する円錐状のテーパ面を有している請求項１ないし５のいずれかに記載の精密鋳造部品の加工用治具。 The jig for processing a precision cast part according to any one of claims 1 to 5, wherein the ring portion has a conical tapered surface whose diameter increases outward.
JP2015054558A 2015-03-18 2015-03-18 Jig for machining precision castings Active JP5974131B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2015054558A JP5974131B1 (en) 2015-03-18 2015-03-18 Jig for machining precision castings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2015054558A JP5974131B1 (en) 2015-03-18 2015-03-18 Jig for machining precision castings

Publications (2)

Publication Number Publication Date
JP5974131B1 true JP5974131B1 (en) 2016-08-23
JP2016172307A JP2016172307A (en) 2016-09-29

Family

ID=56708092

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015054558A Active JP5974131B1 (en) 2015-03-18 2015-03-18 Jig for machining precision castings

Country Status (1)

Country Link
JP (1) JP5974131B1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109202493A (en) * 2018-11-26 2019-01-15 泸州远程工程机械有限公司 The adjustable tubular object extruding clamp assemblies of structure
CN109433753A (en) * 2018-11-30 2019-03-08 四川航天长征装备制造有限公司 A kind of extra welding material cleaning plant in bend pipe inside
CN110653572A (en) * 2019-10-09 2020-01-07 上海航天精密机械研究所 Machining method of axisymmetric thin-wall suspended structure and turning and milling clamping device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7138958B2 (en) * 2020-08-05 2022-09-20 株式会社東原工業所 Jig for processing precision casting parts

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01129038U (en) * 1988-02-25 1989-09-04
JP2004042198A (en) * 2002-07-12 2004-02-12 Daido Castings:Kk Jig for finishing operations of precision casting
JP2005538854A (en) * 2002-08-02 2005-12-22 アーベーベー ターボ システムズ アクチエンゲゼルシャフト Method and apparatus for clamping a rotational symmetry body and structure of the rotational symmetry body to be clamped
JP2011174096A (en) * 2008-10-29 2011-09-08 Technes Co Ltd Method for manufacturing turbine wheel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01129038U (en) * 1988-02-25 1989-09-04
JP2004042198A (en) * 2002-07-12 2004-02-12 Daido Castings:Kk Jig for finishing operations of precision casting
JP2005538854A (en) * 2002-08-02 2005-12-22 アーベーベー ターボ システムズ アクチエンゲゼルシャフト Method and apparatus for clamping a rotational symmetry body and structure of the rotational symmetry body to be clamped
JP2011174096A (en) * 2008-10-29 2011-09-08 Technes Co Ltd Method for manufacturing turbine wheel

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109202493A (en) * 2018-11-26 2019-01-15 泸州远程工程机械有限公司 The adjustable tubular object extruding clamp assemblies of structure
CN109433753A (en) * 2018-11-30 2019-03-08 四川航天长征装备制造有限公司 A kind of extra welding material cleaning plant in bend pipe inside
CN110653572A (en) * 2019-10-09 2020-01-07 上海航天精密机械研究所 Machining method of axisymmetric thin-wall suspended structure and turning and milling clamping device
CN110653572B (en) * 2019-10-09 2021-11-19 上海航天精密机械研究所 Milling and clamping device of axisymmetric thin-wall suspended structure

Also Published As

Publication number Publication date
JP2016172307A (en) 2016-09-29

Similar Documents

Publication Publication Date Title
JP5974131B1 (en) Jig for machining precision castings
CN108044318B (en) Machining process of thin-wall and deep-hole cylinder sleeve
JP2001047337A (en) Inside surface machining jig
CN103072078B (en) A kind of blade processing self adaptation clamping tool and clamping means thereof
CN103341764A (en) Lathing fixture of large-diameter thin-wall piece
JP2004042198A (en) Jig for finishing operations of precision casting
JP6327663B2 (en) Holder body and work clamping device
CN102941480A (en) Mould of boring ear hole of weld yoke
JP7138958B2 (en) Jig for processing precision casting parts
CN209380359U (en) Bearing housing processing tool
JP2016120499A (en) Powder molding mold, and manufacturing method for the mold
CN114227331A (en) Axle finish machining anchor clamps and axle machine tool
CN106625195B (en) Sub-assembly positioning device
JP3212887U (en) Connecting structure of tool axis and tool post
CN202240615U (en) Friction-type self-locking clamping mechanism for cutting conical hole piece
JP5875387B2 (en) Chuck
JP2011011298A (en) Tool holder
JPWO2016207926A1 (en) Hydraulic clamping device
JP6382682B2 (en) Tool holder
JP6420033B2 (en) Workpiece contact unit and machine tool
US11325193B2 (en) Cutting tool and method of assembling cutting tool
CN211516818U (en) Novel thin-wall part planet carrier drilling and boring finish machining clamp
JP2002018535A (en) Punch die
CN104289953A (en) Special centrifugal-type elastic clamping head
JP5945818B2 (en) Machine Tools

Legal Events

Date Code Title Description
TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20160712

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20160715

R150 Certificate of patent or registration of utility model

Ref document number: 5974131

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250