JPH0580592B2 - - Google Patents

Info

Publication number
JPH0580592B2
JPH0580592B2 JP59178385A JP17838584A JPH0580592B2 JP H0580592 B2 JPH0580592 B2 JP H0580592B2 JP 59178385 A JP59178385 A JP 59178385A JP 17838584 A JP17838584 A JP 17838584A JP H0580592 B2 JPH0580592 B2 JP H0580592B2
Authority
JP
Japan
Prior art keywords
spiral
end plate
plate
scroll
rotor blade
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 - Lifetime
Application number
JP59178385A
Other languages
Japanese (ja)
Other versions
JPS6158992A (en
Inventor
Takashi Myauchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP17838584A priority Critical patent/JPS6158992A/en
Publication of JPS6158992A publication Critical patent/JPS6158992A/en
Publication of JPH0580592B2 publication Critical patent/JPH0580592B2/ja
Granted legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/02Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F04C18/0207Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
    • F04C18/0246Details concerning the involute wraps or their base, e.g. geometry

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)

Description

【発明の詳細な説明】 〔発明の技術分野〕 本発明は、圧縮機、膨脹機等に用いられるスク
ロール流体機械の製造方法に関する。
DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a method for manufacturing a scroll fluid machine used for compressors, expanders, etc.

〔発明の技術的背景とその問題点〕[Technical background of the invention and its problems]

スクロール形圧縮機の動作原理を第8図から説
明すると、二つのスクロールである渦巻板1,2
を角度をずらせて互いにかみ合い状態に配置する
と、両渦巻板1,2の間には互いの接触部から接
触部にわたる限定された空間3が形成される。
今、一方の渦巻板1を他方の渦巻板2に対して、
一方の渦巻板1の中心O′が他方の渦巻板2の中
心Oの周りを半径O−O′をもつて公転するよう
に渦巻板1の自転を禁止しながら動かすと、限定
された空間3の体積は徐々に減少する。
The operating principle of a scroll compressor is explained from Fig. 8. Two scrolls, volute plates 1 and 2,
When the spiral plates 1 and 2 are disposed at different angles so as to mesh with each other, a limited space 3 is formed between the two spiral plates 1 and 2 extending from the contact portion to the contact portion.
Now, one spiral plate 1 is compared to the other spiral plate 2,
When the spiral plate 1 is moved while prohibiting its rotation so that the center O' of one spiral plate 1 revolves around the center O of the other spiral plate 2 with a radius O-O', a limited space 3 is created. The volume of will gradually decrease.

第8図Aの状態から渦巻板1の公転角が90゜を
示すのが同図Bであり、180゜を示すのが同図Cで
あり、270゜を示すのが同図Dであり、このように
限定された空間3の体積は徐々に減少する。360゜
回転したAでは両空間は中央部に移り、互いに接
続し、さらに90゜ずつ移動した同図B,C,Dに
示されるようにその空間は狭まり、同図Dでほと
んど零になる。この間、同図Bで開き始めた外側
空間が同図C,DからAに移り、新たな流体を取
り込んだ密閉空間を作る。
Figure 8B shows that the revolution angle of the spiral plate 1 is 90° from the state of Figure 8A, Figure C shows that it is 180°, and Figure D shows that the revolution angle is 270°. The volume of the space 3 thus limited gradually decreases. At point A, which has been rotated 360 degrees, both spaces move to the center and connect with each other, and as shown in FIG. During this time, the outer space that began to open in B of the same figure moves from C and D to A of the same figure, creating a sealed space that takes in new fluid.

したがつて、この渦巻板1,2の軸方向両端に
シールした円板状の側面板を設け、一方の側面板
の中央部に第8図中4で示すごとき吐出孔を設け
ておけば、径方向外側で取り込まれた流体が圧縮
され、吐出孔4から吐出されることになる。
Therefore, if sealed disc-shaped side plates are provided at both ends of the spiral plates 1 and 2 in the axial direction, and a discharge hole as shown by 4 in FIG. 8 is provided in the center of one side plate, The fluid taken in on the outside in the radial direction is compressed and discharged from the discharge hole 4.

ところで、従来においては、上記渦巻板1,2
は、鋳造した素材から数値制御NC工作機械を用
いてエンドミルにより切削加工して得ていた。し
かしながら、鋳造した素材からの取り代は、通常
1.5mmと相当大きく、このため製作時間が長くな
り、生産能率が低かつた。のみならず、切削加工
にともなつて工具が摩耗するので、所定の加工精
度を維持するための加工管理がすこぶる煩雑とな
り、しかも達成できる加工精度も十分でなく、ス
クロール流体機械の性能向上の障壁となつてい
た。
By the way, in the past, the spiral plates 1 and 2
was obtained by cutting the cast material with an end mill using a numerically controlled NC machine tool. However, the machining allowance from the cast material is usually
It was quite large at 1.5mm, which resulted in long manufacturing time and low production efficiency. Not only that, but tools wear out during cutting, making machining management extremely complicated to maintain a specified machining accuracy, and the machining accuracy that can be achieved is not sufficient, which is a barrier to improving the performance of scroll fluid machines. It was becoming.

さらに、金属製であるので、高速回転にともな
う大きな遠心力により摩耗が著しく、寿命低下の
原因となる。さらに、切削加工により生じた切屑
の除去を入念に行わないと、残存した金属切屑に
基因して使用中に異状が発生する虞がある。
Furthermore, since it is made of metal, it is subject to significant wear due to the large centrifugal force that accompanies high-speed rotation, resulting in a shortened service life. Furthermore, unless the chips generated by cutting are carefully removed, there is a risk that abnormalities may occur during use due to the remaining metal chips.

〔発明の目的〕[Purpose of the invention]

本発明は、軽量かつ耐摩耗性に富むスクロール
流体機械の製造方法を提供することを目的とす
る。
An object of the present invention is to provide a method for manufacturing a scroll fluid machine that is lightweight and highly wear resistant.

〔発明の概要〕[Summary of the invention]

静翼部及びこの静翼部に嵌合している動翼部を
プラスチツク成形し、かつ強化部材を埋設するこ
とにより耐摩耗性を付与したものである。
The stator vane part and the rotor blade part fitted to the stator vane part are molded from plastic, and a reinforcing member is embedded therein to provide wear resistance.

〔発明の実施例〕[Embodiments of the invention]

以下、本発明の一実施例を図面を参照して詳述
する。
Hereinafter, one embodiment of the present invention will be described in detail with reference to the drawings.

第1図は、本実施例の製造方法により製造され
たスクロール流体機械を示している。このスクロ
ール流体機械は、円筒状の容器5と、この容器5
内にてフレーム6により容器5と同軸に軸支され
た軸7と、この軸7の中途部に環装されたロータ
8と、容器5内にロータ8を囲繞するように固設
されロータ8とともにモータ9を形成して軸7を
回駆動するステータ10と、軸7の上端部に形成
された頭部7aに偏心して嵌着され且つオルダム
(Oldam)継手11を介してフレーム6に接続さ
れた動翼部12と、容器5の天井部に垂設され動
翼部12に嵌合摺接して複数の圧縮空間13…を
形成するとともに中心部に吐出孔14aが穿設さ
れた静翼部14と、容器5側部に設けられ作動流
体を前記圧縮空間13…に供給する吸入管15
と、容器5の天井部中央に設けられ圧縮空間13
にて圧縮され吐出孔14aを経由して放出された
作動流体を外部に排出する吐出管16とから構成
されている。しかして、容器5底部には、潤滑油
17が注入されていて、この油は、軸7の外周面
に刻設されている油溝18を介して、軸支部位に
供給されるようになつている。また、動翼部12
は、円板状の端板19と、この端板19上面に直
立して一体的に設けられインボリユートまたは円
弧曲線よりなる渦巻状をなしている渦巻板20と
からなつている。そうして、この動翼部12は、
オルダム継手11により自転を防止しつつ公転運
動を行うように設けられている。一方、静翼部1
4は、円板状の端板21と、この端板21下面に
直立して一体的に設けられインボリユートまたは
円弧曲線よりなる渦巻状をなしている渦巻板22
とからなつている。
FIG. 1 shows a scroll fluid machine manufactured by the manufacturing method of this embodiment. This scroll fluid machine includes a cylindrical container 5 and a cylindrical container 5.
A shaft 7 is coaxially supported by a frame 6 inside the container 5, a rotor 8 is ringed in the middle of the shaft 7, and a rotor 8 is fixedly installed inside the container 5 so as to surround the rotor 8. A stator 10 which together forms a motor 9 and rotates the shaft 7 is fitted eccentrically to a head 7a formed at the upper end of the shaft 7 and is connected to the frame 6 via an Oldham joint 11. a rotor blade section 12 that is vertically disposed on the ceiling of the container 5, fits and slides into the rotor blade section 12 to form a plurality of compression spaces 13, and has a discharge hole 14a bored in the center thereof. 14, and a suction pipe 15 provided on the side of the container 5 and supplying working fluid to the compression space 13...
A compression space 13 is provided at the center of the ceiling of the container 5.
and a discharge pipe 16 for discharging to the outside the working fluid compressed by the pump and discharged via the discharge hole 14a. Therefore, lubricating oil 17 is injected into the bottom of the container 5, and this oil is supplied to the shaft support portion through an oil groove 18 carved in the outer peripheral surface of the shaft 7. ing. In addition, the rotor blade section 12
consists of a disk-shaped end plate 19 and a spiral plate 20 that is integrally provided upright on the upper surface of the end plate 19 and has a spiral shape formed of an involute or an arcuate curve. Then, this rotor blade section 12 is
The Oldham joint 11 is provided so as to perform revolution movement while preventing rotation. On the other hand, stationary blade part 1
Reference numeral 4 denotes a disk-shaped end plate 21 and a spiral plate 22 that is integrally provided upright on the lower surface of the end plate 21 and has a spiral shape made of an involute or an arcuate curve.
It is made up of.

つぎに、上記構成のスクロール流体機械の製造
方法において、第2図A,Bに示すように、動翼
部12及び静翼部14をプラスチツク成形する。
このプラスチツク成形法としては、圧縮成形法
(Comp−ression Molding)、移送成形法
(Transter Molding)、射出成形法(Injection
Molding)等を適用する。また、プラスチツク材
としては、フエノール、コリア、メラミン、ポリ
エステル、エポキシ等の熱硬化性プラスチツクあ
るいは、ポリスチレン、ポリエチレン、ポリプロ
ピレン、ポリアミド、ポリカーボネイト等の熱可
塑性プラスチツクからなつている。しかして、プ
ラスチツク成形時に、例えばベリリウム青銅、耐
摩耗鋳鉄、バビツト・メタル等の耐摩耗性を有す
る円環状のインサート部材23,24を外周部位
にインサートする。つまり、成形後において、動
翼部12の端板19の渦巻板20側の端面外周部
において、インサート部材23が面一に露出する
ようにインサートする。また、成形後におて、静
翼部14の渦巻板22の外周部分の先端面におい
て、インサート部材24が面一に露出するように
インサートする。しかして、静翼部14と動翼部
12とが互に嵌合した状態では、第3図に示すよ
うに、互に相対向して摺接するように設定する。
このとき、インサート部材23,24は、第4図
に示すようにプラスチツク本体から離脱しないよ
うに、側部に突片25…を設けるか、あるいは第
5図に示すように逆テーパ状に形成する。
Next, in the method for manufacturing the scroll fluid machine having the above-mentioned structure, as shown in FIGS. 2A and 2B, the rotor blade portion 12 and the stationary blade portion 14 are molded using plastic.
This plastic molding method includes compression molding, transfer molding, and injection molding.
Apply molding) etc. Furthermore, the plastic material is made of thermosetting plastics such as phenol, coria, melamine, polyester, and epoxy, or thermoplastic plastics such as polystyrene, polyethylene, polypropylene, polyamide, and polycarbonate. During plastic molding, wear-resistant annular insert members 23 and 24 made of, for example, beryllium bronze, wear-resistant cast iron, Babbitt metal, etc., are inserted into the outer periphery. That is, after molding, the insert member 23 is inserted so as to be exposed flush with the outer peripheral portion of the end surface of the end plate 19 of the rotor blade portion 12 on the spiral plate 20 side. Further, after molding, the insert member 24 is inserted so as to be flush with the tip end surface of the outer peripheral portion of the spiral plate 22 of the stator vane portion 14 . Thus, when the stationary blade section 14 and the moving blade section 12 are fitted into each other, as shown in FIG. 3, they are set so as to face each other and come into sliding contact.
At this time, the insert members 23 and 24 are provided with protrusions 25 on the sides to prevent them from coming off from the plastic body, as shown in FIG. 4, or are formed in a reverse tapered shape as shown in FIG. .

このように、この実施例のスクロール流体機械
の製造方法は、動翼部12及び静翼部14をプラ
スチツク成形するとともに、静翼部14の渦巻板
22の先端面及び動翼部12の端板19に耐摩耗
性金属からなるインサート部材23,24を、両
者が嵌合しているときに互に相対向して摺接する
ように埋設したので、スクロール翼が軽量化し、
高速回転に対する耐久性が増大し、かつ摺接部分
に埋設されているインサート部材23,24によ
り耐摩耗性が向上するので、摩耗による寿命の低
下を緩和することができる。さらに、プラスチツ
ク成形法の採用により一工程でスクロール翼を製
造することができるようになるので、生産能率が
大幅に向上するとともに、生産価格もすこぶる安
価となり、量産が可能となる。
As described above, the method for manufacturing the scroll fluid machine of this embodiment involves molding the rotor blade section 12 and the stator vane section 14 with plastic, and molding the tip surface of the spiral plate 22 of the stator vane section 14 and the end plate of the rotor blade section 12. Insert members 23 and 24 made of wear-resistant metal are buried in the scroll blade 19 so as to face each other and slide into contact when the two are fitted, so that the scroll blade is lightweight.
Since the durability against high-speed rotation is increased and the wear resistance is improved by the insert members 23 and 24 embedded in the sliding contact portion, it is possible to alleviate the decrease in life due to wear. Furthermore, by adopting the plastic molding method, it becomes possible to manufacture the scroll blades in one process, which greatly improves production efficiency and reduces production costs to a great extent, making mass production possible.

なお、上記実施例において、プラスチツク成形
後に、平面度を向上させるために、インサート部
材23,24が埋設されている面を研磨加工する
ようにしてもよい。また、インサート部材は、上
記実施例のように円環状でなく、第6図A,Bに
示すように、断片状のインサート部材26…を用
いるようにしてもよい。さらに、第7図に示すよ
うに、耐摩耗性を有する金属からなる粉体27…
をプラスチツク中に混合するようにしてもよい。
この場合、粉体27…はプラスチツク成形前に、
プラスチツク原料中に混合しておく。さらにま
た、インサート部材埋設部位は、スクロール翼の
外周部位のみに限ることなく、摺接部位全域にわ
たつて埋設するようにしてもよい。さらに、イン
サート部材23,24,26…及び粉体27…と
しては、金属でなく、Si3N4(窒化珪素)、CBN
(立方晶窒化硼素)等のフアインセラミツクスで
もよい。
In the above embodiment, after plastic molding, the surfaces in which the insert members 23 and 24 are buried may be polished to improve flatness. Furthermore, the insert member is not circular as in the above embodiment, but may be a piece-shaped insert member 26 as shown in FIGS. 6A and 6B. Furthermore, as shown in FIG. 7, powder 27 made of a wear-resistant metal...
may be mixed into the plastic.
In this case, the powder 27... is used before plastic molding.
Mix it into the plastic raw materials. Furthermore, the insert member embedding region is not limited to only the outer peripheral region of the scroll blade, but may be embedded over the entire sliding contact region. Furthermore, the insert members 23, 24, 26... and the powder 27... are not made of metal but are made of Si 3 N 4 (silicon nitride), CBN.
Fine ceramics such as (cubic boron nitride) may also be used.

〔発明の効果〕〔Effect of the invention〕

本発明によれば、スクロール翼の軽量化が可能
となり、高速回転に対する耐久性が増大する。ま
た、摺接部位に耐摩耗性を有する部材を配設した
ので耐摩耗性も向上する。さらに、プラスチツク
成形法の採用により一工程でスクロール翼を製造
することができるようになるので、生産能率が大
幅に向上するとともに、生産価格もすこぶる安価
となり、量産が可能となる。
According to the present invention, it is possible to reduce the weight of the scroll blade, and the durability against high-speed rotation is increased. Furthermore, since a wear-resistant member is provided at the sliding contact portion, wear resistance is also improved. Furthermore, by adopting the plastic molding method, it becomes possible to manufacture the scroll blades in one process, which greatly improves production efficiency and reduces production costs to a great extent, making mass production possible.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本発明の一実施例のスクロール流体機
械の製造方法により得られたスクロール流体機械
の全体構成図、第2図A,Bはそれぞれ第1図に
おける動翼部と静翼部の斜視図、第3図は第1図
の要部断面図、第4図及び第5図は第3図の要部
拡大断面図、第6図A,B及び第7図は本発明の
他の実施例におけるスクロール翼を示す図、第8
図A,B,C,Dはスクロール形圧縮機の動作原
理を示す図である。 12…動翼部、14…静翼部、19…端板(第
2の―)、20…渦巻板(第2の―)、21…端板
(第1の―)、22…渦巻板(第1の―)、23,
24,25…インサート部材、27…粉体。
FIG. 1 is an overall configuration diagram of a scroll fluid machine obtained by the method for manufacturing a scroll fluid machine according to an embodiment of the present invention, and FIGS. 2A and 2B are perspective views of the rotor blade section and stationary vane section in FIG. 1, respectively. 3 is a sectional view of the main part of FIG. 1, FIGS. 4 and 5 are enlarged sectional views of the main part of FIG. 3, and FIGS. 6A, B, and 7 are other embodiments of the present invention. Figure 8 showing the scroll wing in the example
Figures A, B, C, and D are diagrams showing the operating principle of a scroll compressor. DESCRIPTION OF SYMBOLS 12... Moving blade part, 14... Stationary blade part, 19... End plate (2nd -), 20... Spiral plate (2nd -), 21... End plate (1st -), 22... Spiral plate ( 1st -), 23,
24, 25...insert member, 27...powder.

Claims (1)

【特許請求の範囲】[Claims] 1 平板状の第1の端板及びこの第1の端板に突
設された渦巻状の第1の渦巻板からなり固定て設
けられる静翼部と、平板状の第2の端板及びこの
第2の端板に突設された上記第1の渦巻板に嵌合
された渦巻状の第2の渦巻板からなり上記静翼部
に対して公転運動される動翼部とを備えるスクロ
ール流体機械の製造方法において、上記静翼部と
上記動翼部を、少なくとも上記静翼部と上記動翼
部との摺接部位に耐摩耗性を有する強化部材をイ
ンサートしてプラスチツク成形することを特徴と
するスクロール流体機械の製造方法。
1. A stationary vane portion fixedly provided, consisting of a flat first end plate and a spiral first spiral plate protruding from the first end plate, a flat second end plate, and a first spiral plate protruding from the first end plate. A scroll fluid comprising a rotor blade section which is made up of a second spiral plate fitted into the first scroll plate protrudingly provided on a second end plate and is rotated relative to the stationary blade section. The method for manufacturing a machine is characterized in that the stator blade portion and the rotor blade portion are plastic-molded by inserting a reinforcing member having wear resistance into at least a sliding contact area between the stator blade portion and the rotor blade portion. A method for manufacturing a scroll fluid machine.
JP17838584A 1984-08-29 1984-08-29 Method of manufacturing scrol type compressor Granted JPS6158992A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17838584A JPS6158992A (en) 1984-08-29 1984-08-29 Method of manufacturing scrol type compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17838584A JPS6158992A (en) 1984-08-29 1984-08-29 Method of manufacturing scrol type compressor

Publications (2)

Publication Number Publication Date
JPS6158992A JPS6158992A (en) 1986-03-26
JPH0580592B2 true JPH0580592B2 (en) 1993-11-09

Family

ID=16047563

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17838584A Granted JPS6158992A (en) 1984-08-29 1984-08-29 Method of manufacturing scrol type compressor

Country Status (1)

Country Link
JP (1) JPS6158992A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63289279A (en) * 1987-05-20 1988-11-25 Tokico Ltd Scroll type fluid machinery
JPH02173380A (en) * 1988-12-24 1990-07-04 Hitachi Ltd Scroll compressor
JPH02233892A (en) * 1989-03-06 1990-09-17 Mitsubishi Electric Corp Scroll hydraulic machine
US5800140A (en) * 1996-10-25 1998-09-01 Arthur D. Little, Inc. Compact scroll fluid device
BE1010916A3 (en) * 1997-02-12 1999-03-02 Atlas Copco Airpower Nv Helical compressor
US5951270A (en) * 1997-06-03 1999-09-14 Tecumseh Products Company Non-contiguous thrust bearing interface for a scroll compressor
KR20060008337A (en) * 2003-06-12 2006-01-26 마쯔시다덴기산교 가부시키가이샤 Scroll compressor
JP2014001678A (en) * 2012-06-18 2014-01-09 Scroll Giken:Kk Scroll fluid machine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5857001A (en) * 1981-09-30 1983-04-05 Hitachi Ltd Scroll for scroll hydraulic machine and production method thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5857001A (en) * 1981-09-30 1983-04-05 Hitachi Ltd Scroll for scroll hydraulic machine and production method thereof

Also Published As

Publication number Publication date
JPS6158992A (en) 1986-03-26

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