JPH0367081A - Moving scroll of fluid machine - Google Patents
Moving scroll of fluid machineInfo
- Publication number
- JPH0367081A JPH0367081A JP20437089A JP20437089A JPH0367081A JP H0367081 A JPH0367081 A JP H0367081A JP 20437089 A JP20437089 A JP 20437089A JP 20437089 A JP20437089 A JP 20437089A JP H0367081 A JPH0367081 A JP H0367081A
- Authority
- JP
- Japan
- Prior art keywords
- end plate
- scroll
- movable scroll
- spiral body
- fluid machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012530 fluid Substances 0.000 title claims description 9
- 238000003825 pressing Methods 0.000 claims abstract description 6
- 238000003801 milling Methods 0.000 abstract description 12
- 238000007730 finishing process Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C17/00—Arrangements for drive of co-operating members, e.g. for rotary piston and casing
- F01C17/06—Arrangements for drive of co-operating members, e.g. for rotary piston and casing using cranks, universal joints or similar elements
- F01C17/066—Arrangements for drive of co-operating members, e.g. for rotary piston and casing using cranks, universal joints or similar elements with an intermediate piece sliding along perpendicular axes, e.g. Oldham coupling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
Description
【発明の詳細な説明】
(産業上の利用分野)
本発明は、スクロール形流体機械に使用する可動スクロ
ールに関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a movable scroll used in a scroll-type fluid machine.
(従来の技術)
従来、この種可動スクロールは、例えば特開昭63−1
34882号公報に記載され、かつ、第5図及び第6図
に示したごとく、鏡板(P)の一側平面に渦巻体(S)
を突設し、かつ、他側平面にクランクボス部(B)を突
設すると共に、前記鏡板(P)の他側平面でクランクボ
ス部(B)の外方側に、オルダムキーが挿嵌される一対
のオルダムキー溝(A)を設けている。(Prior Art) Conventionally, this type of movable scroll is disclosed in Japanese Patent Application Laid-open No. 63-1, for example.
As described in Japanese Patent No. 34882 and shown in FIGS. 5 and 6, a spiral body (S) is provided on one side plane of the end plate (P).
and a crank boss portion (B) is provided protrudingly on the other side plane, and an Oldham key is inserted and fitted on the outer side of the crank boss portion (B) on the other side plane of the end plate (P). A pair of Oldham keyways (A) are provided.
しかして、以上の可動スクロールを製作するにあたって
は、先ず、前記鏡板(P)の外周部位等を挟圧保持して
、エンドミルを用いたフライス加工手段で渦巻体(S)
及び前記鏡板(P)の平面の仕上げを行い、次に、同様
のフライス加工手段で前記オルダムキー溝(A)の仕上
げを行い、更に、円筒仕上げとなる前記クランクボス部
(B)を旋盤加工手段で仕上げ加工を行うのが一般的で
ある。Therefore, in manufacturing the above-mentioned movable scroll, first, the outer circumference of the end plate (P) is held under pressure, and the spiral body (S) is formed by milling using an end mill.
Then, the Oldham keyway (A) is finished by a similar milling means, and the crank boss part (B) to be finished into a cylinder is then finished by a lathe. It is common to perform finishing processing.
(発明が解決しようとする課題)
ところが、前記鏡板(P)の渦巻体(S)やオルダムキ
ー溝(A)をフライス加工手段で仕上げる場合、前記鏡
板(P)をその仕上げ面を避けて平面的に押えつける適
当な部分がないことから、該鏡板(P)の外周部を保持
するほかなく、従って、その保持力が弱くならざるを得
す、仕上げ精度に悪影響が出る問題があるし、円筒仕上
げとなる前記ボス部(B)を旋盤で加工する場合、フラ
イス加工時の保持センターとの間にセンターずれがある
と、前記クランクボス部(B)が前記渦巻体(S)に対
し位置ズレを起こしてしまう問題もあった。(Problem to be Solved by the Invention) However, when finishing the spiral body (S) and Oldham keyway (A) of the end plate (P) by milling, the end plate (P) is flattened by avoiding the finished surface. Since there is no suitable part to press down on the end plate (P), there is no choice but to hold the outer periphery of the end plate (P), and therefore the holding force must be weakened, and there is a problem that the finishing accuracy is adversely affected, and the cylindrical When machining the finished boss part (B) with a lathe, if there is a center shift between the center and the holding center during milling, the crank boss part (B) will be misaligned with respect to the spiral body (S). There was also the problem of causing
本発明は以上の問題に鑑みてなしたもので、その目的は
、前記渦巻体の仕上げ加工を確実かつ正確に行うことが
でき、又、この渦巻体とオルダムキー溝との仕上げ加工
を一工程で連続して行うことができ、更に、前記クラン
クボス部をも正確に形成できる可動スクロールを提供す
ることにある。The present invention has been made in view of the above problems, and its purpose is to be able to reliably and accurately finish the spiral body, and to finish the spiral body and Oldham keyway in one step. It is an object of the present invention to provide a movable scroll which can be formed continuously and furthermore, can form the crank boss portion accurately.
(課題を解決するための手段)
上記目的を達成するために、本発明では、鏡板(1)の
一側平面に渦巻体(2)を突設すると共に、他側平面に
クランクボス部(3)を突設したスクロール形流体機械
の可動スクロールにおいて、前記鏡板(1)の外周部に
、前記渦巻体(2)の加工時、前記鏡板(1)を平面的
に押え付ける押圧力を受ける受面(5a)をもつ捨て加
工部(5)を形成したことを特徴とするものである。(Means for Solving the Problems) In order to achieve the above object, in the present invention, a spiral body (2) is provided protrudingly on one side plane of an end plate (1), and a crank boss portion (3) is provided on the other side plane. ) in a movable scroll of a scroll-type fluid machine that protrudes, the outer periphery of the end plate (1) is provided with a receptacle that receives a pressing force that presses the end plate (1) flatly during processing of the spiral body (2). It is characterized by forming a sacrificial processed portion (5) having a surface (5a).
前記鏡板(1)の外方にオルダムキー溝(4)の突出ア
ーム部(6)を設け、この突出アーム部(6)の基部に
前記捨て加工部(5)を形成することが望ましい。It is desirable to provide a protruding arm portion (6) of the Oldham key groove (4) on the outside of the mirror plate (1), and to form the sacrificial portion (5) at the base of the protruding arm portion (6).
また、前記鏡板(1)の外周部には、この鏡板(1)の
中心に一致する中心をもつ円形仕上げ面(7)を設ける
ことが望ましい。Further, it is desirable to provide a circular finished surface (7) on the outer periphery of the mirror plate (1), the center of which coincides with the center of the mirror plate (1).
(作用)
前記鏡板(1)に設けた捨て加工部(5)の受面(5a
)を挟圧保持してフライス加工を行うことにより、前記
渦巻体(2)の仕上げ加工が確実かつ正確に行われる。(Function) The receiving surface (5a
) is held under pressure while milling is performed, so that finishing of the spiral body (2) can be performed reliably and accurately.
また、前記鏡板(1)の外方にオルダムキー溝(4)の
突出アーム部(6)を設け、この突出アーム部(6)の
基部側に前記捨て加工部(5)を形成するときには、該
捨て加工部(5)を挟圧保持してフライス加工を行うこ
とにより、前記渦巻体(2)とオルダムキー溝(4)と
の仕上げ加工が、挟圧保持位置を変更したりすることな
く、工程で連続して行われ、しかも、前記捨て加工部(
5)で前記突出アーム部(6)つまりオルダムキー溝(
4)の強度が高められる。Further, when providing the protruding arm part (6) of the Oldham keyway (4) on the outside of the end plate (1) and forming the sacrificial part (5) on the base side of the protruding arm part (6), By performing milling while holding the sacrificial part (5) under pressure, the finishing process between the spiral body (2) and the Oldham keyway (4) can be completed without changing the position where the pressure is held. The above-mentioned sacrificial processing section (
5), the protruding arm portion (6), that is, the Oldham key groove (
The strength of 4) is increased.
更に、前記鏡板(1)の外周部に、その中心と一致する
中心をもった円形仕上げ面(7)を設けるときには、前
記クランクボス部(3)の旋盤による仕上げ加工時に、
前記仕上げ面(7)をチャックで挟持することにより、
前記クランクボス部(3)が正確に形成される。Furthermore, when providing a circular finished surface (7) having a center that coincides with the center on the outer periphery of the end plate (1), when finishing the crank boss part (3) with a lathe,
By holding the finished surface (7) with a chuck,
The crank boss portion (3) is accurately formed.
(実施例)
第4図はスクロール形流体機械の全体構造を示しており
、密閉ケーシング(C)の内方上部に、固定スクロール
(X)と可動スクロール(Y)とをハウジング(H)を
介して上下対向状に支持すると共に、このハウジング(
H)と前記可動スクロール(Y)との間に、該可動スク
ロール(Y)の自転を阻止して公転駆動させるオルダム
リング(0)を介装する一方、前記ハウジング(H)の
下部側にモータ(M)を設け、このモータ(M)から延
びるクランク軸(K)を前記可動スクロール(Y)に連
動連結させている。(Example) Figure 4 shows the overall structure of a scroll-type fluid machine, in which a fixed scroll (X) and a movable scroll (Y) are connected to the inner upper part of a sealed casing (C) via a housing (H). This housing (
An Oldham ring (0) is interposed between the movable scroll (Y) and the movable scroll (Y) to prevent the movable scroll (Y) from rotating on its own axis and drive it to revolve, while a motor is installed at the lower side of the housing (H). (M), and a crankshaft (K) extending from this motor (M) is interlocked and connected to the movable scroll (Y).
また、前記可動スクロール(Y)は、円板状とされた鏡
板(1)の上部側平面に、前記固定スクロール(X)側
の渦巻体(a)と噛み合う渦巻体(2)を一体に突設す
ると共に、前記鏡板(1)の下部側平面に、前記クラン
ク軸(K)の上部側に挿嵌されるクランクボス部(3)
を一体に突設する一方、前記鏡板(1)の下面側で2ラ
ンクボス部(3)の径方向外方側に、前記オルダムリン
グ(0)のオルダムキー(k)が挿嵌されるオルダムキ
ー溝(4)を対向状に設けている。Further, the movable scroll (Y) has a spiral body (2) integrally projected on the upper plane of the disk-shaped end plate (1), which engages with the spiral body (a) on the fixed scroll (X) side. and a crank boss portion (3) that is inserted into the upper side of the crankshaft (K) on the lower side plane of the end plate (1).
An Oldham key groove (k) in which the Oldham key (k) of the Oldham ring (0) is inserted is provided on the lower surface side of the end plate (1) on the radially outer side of the second rank boss portion (3). 4) are provided facing each other.
しめ)シて、以上の可動スクロール(Y)において、第
1図及び第2図で詳しく示したごとく、前記鏡板(1)
の外周部に、前記渦巻体(2)のフライス加工時に、前
記鏡板(1)を平面的に押え付ける押圧力を受ける受面
(5a)をもった一対の捨て加工部(5)(5)を対向
状に一体に形成する。Finally, in the above movable scroll (Y), as shown in detail in FIGS. 1 and 2, the end plate (1)
A pair of sacrificial processing parts (5) (5) having a receiving surface (5a) on the outer periphery of which receives a pressing force that presses down the end plate (1) in a planar manner during milling of the spiral body (2). are integrally formed to face each other.
また、前記鏡板(1)の外周部で対向位置に、径方向外
方に向けて突出する一対の突出アーム部(6)13)を
一体に設けて、この各突出アーム部(6)に前記オルダ
ムキー溝(4)をそれぞれ形成すると共に、前記各突出
アーム部(6)の基部側で径方向一側に、前記各捨て加
工部(5)をそれぞれ対向状に一体に設ける。Further, a pair of protruding arm parts (6) 13) protruding radially outward are integrally provided at opposing positions on the outer peripheral part of the end plate (1), and each of the protruding arm parts (6) is provided with the above-mentioned protruding arm parts (6). Oldham key grooves (4) are respectively formed, and the respective sacrificial processing portions (5) are integrally provided on one side in the radial direction on the base side of each of the protruding arm portions (6) in a facing manner.
そして、前記可動スクロール(Y)を製作するとき、前
記各捨て加工部(5)の受面(5a)をそれぞれ平面的
に挟圧保持してフライス加工を行うことにより、前記鏡
板(1)の平面を強固に保持でき、しかも、加工中に前
記鏡板(1)の挟圧保持位置を変更したりすることなく
、前記渦巻体(2)と前記各オルダムキー溝(4)との
仕上げ加工を一工程で連続して行えるのである。また、
以上の構成とするときは、前記各捨て加工部(5)でも
って、前記各突出アーム部(6)つまりオルダムキー溝
(4)の強度が高められる。When manufacturing the movable scroll (Y), the receiving surface (5a) of each of the sacrificially processed portions (5) is held under pressure flatly and milled, thereby forming the end plate (1). The flat surface can be firmly held, and the finish processing of the spiral body (2) and each of the Oldham key grooves (4) can be carried out at the same time without changing the clamping position of the end plate (1) during processing. This can be done continuously in the process. Also,
In the above configuration, the strength of each of the protruding arm parts (6), that is, the Oldham key groove (4) is increased by each of the sacrificially processed parts (5).
更に、前記捨て加工部(5)は、第3図で示したごとく
、その1つを、前記突出アーム部(6)基部側で前記渦
巻体(2)の巻終わり端部近くに設けることも可能であ
り、斯くするときには、前記渦巻体(2)の巻終わり端
部近くを前記捨て加工部(5)で補強できて、鋳造工程
の型刻時や運搬時などにおける前記渦巻体(2)の折損
事故を未然に防止できる。Furthermore, as shown in FIG. 3, one of the sacrificial processing parts (5) may be provided near the winding end of the spiral body (2) on the base side of the protruding arm part (6). It is possible, and when doing so, the vicinity of the end of the winding of the spiral body (2) can be reinforced with the sacrificial processing part (5), and the spiral body (2) can be reinforced during mold stamping in the casting process, transportation, etc. Breakage accidents can be prevented.
また、以上のようなフライス加工時に、前記鏡板(1)
の外周複数箇所、例えば第1図及び第3図で示したよう
に、所定角度間隔を置いた外周3箇所に、前記鏡板(1
)の中心(イ)と一致する中心をもった円形仕上げ面(
7)を形成するのであり、そして、前記クランクボス部
(3)を旋盤で仕上げ加工するとき、該旋盤のチャック
で前記各仕上げ面(7)を挟持することにより、前記ク
ランクボス部(3)が前記渦巻体(2)に対しセンター
の位置ズレなどを起こすことなく、前記クランクボス部
(3)を正確な位置関係に形成できるのである。Also, during the above milling process, the end plate (1)
For example, as shown in FIGS. 1 and 3, the mirror plate (1
) with a center that coincides with the center (a) of the circular finished surface (
7), and when finishing the crank boss part (3) with a lathe, by holding each finished surface (7) with the chuck of the lathe, the crank boss part (3) is formed. However, the crank boss portion (3) can be formed in an accurate positional relationship without causing any misalignment of the center relative to the spiral body (2).
(発明の効果)
以上説明したように、本発明の可動スクロールでは、鏡
板(1)の外周部に、渦巻体(2)の加工時に前記鏡板
(1)を平面的に押え付ける押圧力を受ける受面(5a
)をもつ捨て加工部(5)を形成したから、該捨て加工
部(5)を挟圧保持してフライス加工を行うことにより
、前記渦巻体(2)の仕上げを確実かつ正確に行い得る
に至ったのである。(Effects of the Invention) As explained above, in the movable scroll of the present invention, the outer peripheral portion of the end plate (1) receives a pressing force that presses the end plate (1) flatly during processing of the spiral body (2). Receiving surface (5a
), the spiral body (2) can be finished reliably and accurately by holding the sacrificial portion (5) under pressure during milling. It has come to this.
また、前記鏡板(1)の外方にオルダムキー溝(4)の
突出アーム部(6)を設け、該突出アームg(6)の基
部側に前記捨て加工部(5)を形成して、この捨て加工
部(5)を挟圧保持してフライス加工を行うことにより
、前記渦巻体(2)とオルダムキー溝(4)との仕上げ
加工を連続した一工程で行うことができて作業性を高め
得るのであり、しかも、前記捨て加工部(5)で前記突
出アーム部(6)つまりオルダムキー溝(4)の強度を
高め得るのである。Further, a protruding arm part (6) of the Oldham key groove (4) is provided on the outer side of the end plate (1), and the sacrificial processing part (5) is formed on the base side of the protruding arm g (6). By performing milling while holding the sacrificial part (5) under pressure, finishing machining of the spiral body (2) and the Oldham keyway (4) can be performed in one continuous process, increasing work efficiency. Furthermore, the strength of the protruding arm portion (6), that is, the Oldham keyway (4) can be increased by the sacrificial processing portion (5).
更に、前記鏡板(1)の外周部に、その中心と一致する
中心をもった円形仕上げ面(7)を設けて、前記クラン
クボス部(3)の旋盤による仕上げ加工時に、前記仕上
げ面(7)をチャックで挟持することにより、前記渦巻
体(2)に対し前記クランクボス部(3)がセンター位
置の位置ズレを起こしたりすることなく、このクランク
ボス部(3)を正確に形成できるのである。Further, a circular finished surface (7) having a center coincident with the center thereof is provided on the outer peripheral portion of the end plate (1), so that the finished surface (7) is ) by holding it with a chuck, the crank boss part (3) can be formed accurately without causing any misalignment of the center position of the crank boss part (3) with respect to the spiral body (2). be.
第1図は本発明にかかる可動スクロールの正面図、第2
図は同側面図、第3図は他の実施例を示す正面図、第4
図はスクロール形流体機械の一部を省略した全体構造図
、第5図は従来の可動スクロール例を示す正面図、第6
図はその断面図である。
(1)・・・・・鏡板
(2)・・・・・渦巻体
(3)・・・・・クランクボス部
(4)・・・・・オルダムキー溝
(5a)・・・・受面
(5)・・・・・捨て加工部
(6)・・・・・突出アーム部
(7)
・円形仕上げ面
第3図
第5図
第6図Fig. 1 is a front view of a movable scroll according to the present invention, Fig. 2 is a front view of a movable scroll according to the present invention;
The figure is a side view, Figure 3 is a front view showing another embodiment, and Figure 4 is a front view showing another embodiment.
The figure is an overall structural diagram of a scroll-type fluid machine with some parts omitted, FIG. 5 is a front view showing an example of a conventional movable scroll, and FIG.
The figure is a sectional view thereof. (1)... End plate (2)... Spiral body (3)... Crank boss section (4)... Oldham keyway (5a)... Receiving surface ( 5)...Sacrificial processing part (6)...Protruding arm part (7) - Circular finished surface Fig. 3 Fig. 5 Fig. 6
Claims (1)
共に、他側平面にクランクボス部(3)を突設したスク
ロール形流体機械の可動スクロールにおいて、前記鏡板
(1)の外周部に、前記渦巻体(2)の加工時、前記鏡
板(1)を平面的に押え付ける押圧力を受ける受面(5
a)をもつ捨て加工部(5)を形成していることを特徴
とするスクロール形流体機械の可動スクロール。 2)鏡板(1)の外方に、オルダムキー溝(4)の突出
アーム部(6)を備え、この突出アーム部(6)の基部
に捨て加工部(5)を形成している請求項1記載のスク
ロール形流体機械の可動スクロール。 3)鏡板(1)の外周部に、該鏡板(1)の中心に一致
する中心をもつ円形仕上げ面(7)を備える請求項1又
は2記載のスクロール形流体機械の可動スクロール。[Claims] 1) In a movable scroll of a scroll-type fluid machine in which a spiral body (2) is provided protruding from one side plane of an end plate (1) and a crank boss portion (3) is provided protrudingly from the other side plane. , a receiving surface (5) is provided on the outer periphery of the end plate (1) to receive a pressing force that presses the end plate (1) flatly during processing of the spiral body (2).
A movable scroll for a scroll-type fluid machine, characterized in that it forms a sacrificial processing portion (5) having a). 2) A protruding arm portion (6) of the Oldham key groove (4) is provided on the outside of the end plate (1), and a sacrificial processing portion (5) is formed at the base of the protruding arm portion (6). The movable scroll of the scroll-type fluid machine described above. 3) The movable scroll for a scroll-type fluid machine according to claim 1 or 2, wherein the end plate (1) has a circular finished surface (7) on the outer periphery thereof, the center of which coincides with the center of the end plate (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20437089A JPH0367081A (en) | 1989-08-07 | 1989-08-07 | Moving scroll of fluid machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20437089A JPH0367081A (en) | 1989-08-07 | 1989-08-07 | Moving scroll of fluid machine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0367081A true JPH0367081A (en) | 1991-03-22 |
Family
ID=16489392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20437089A Pending JPH0367081A (en) | 1989-08-07 | 1989-08-07 | Moving scroll of fluid machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0367081A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005307964A (en) * | 2004-03-24 | 2005-11-04 | Nippon Soken Inc | Fluid machine |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5937289A (en) * | 1982-08-27 | 1984-02-29 | Hitachi Ltd | Scroll compressor |
-
1989
- 1989-08-07 JP JP20437089A patent/JPH0367081A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5937289A (en) * | 1982-08-27 | 1984-02-29 | Hitachi Ltd | Scroll compressor |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005307964A (en) * | 2004-03-24 | 2005-11-04 | Nippon Soken Inc | Fluid machine |
JP4722493B2 (en) * | 2004-03-24 | 2011-07-13 | 株式会社日本自動車部品総合研究所 | Fluid machinery |
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