JPH021599Y2 - - Google Patents
Info
- Publication number
- JPH021599Y2 JPH021599Y2 JP19835786U JP19835786U JPH021599Y2 JP H021599 Y2 JPH021599 Y2 JP H021599Y2 JP 19835786 U JP19835786 U JP 19835786U JP 19835786 U JP19835786 U JP 19835786U JP H021599 Y2 JPH021599 Y2 JP H021599Y2
- Authority
- JP
- Japan
- Prior art keywords
- oil mist
- pressure
- air
- mist generator
- oil
- 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
- 239000003595 mist Substances 0.000 claims description 59
- 238000005461 lubrication Methods 0.000 claims description 27
- 239000007921 spray Substances 0.000 claims description 9
- 230000001050 lubricating effect Effects 0.000 claims description 8
- 230000007423 decrease Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 241000234435 Lilium Species 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
Landscapes
- General Details Of Gearings (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案は、ベンチユリ式油霧生成器で生成した
油霧を分岐給油路を経て複数の潤滑箇所に供給す
る噴霧潤滑装置に関するものである。[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a spray lubrication device that supplies oil mist generated by a bench-lily oil mist generator to a plurality of lubrication points via a branch oil supply path.
（従来の技術）
従来のこの種の噴霧潤滑装置は、第２図に示す
ように、エアー供給路１を経て圧縮空気をベンチ
ユリ式油霧生成器２に送り、供給空気圧に応じて
負圧を作り、その負圧を利用して油３を吸い上げ
て油霧を生成し、該油霧をメイン給油路４を経て
分岐給油路５Ａ〜５Ｅで分配して例えば玉軸受又
はコロ軸受の如き潤滑箇所５Ａ、平軸受の如き潤
滑箇所６Ｂ、歯車の如き潤滑箇所６Ｃ、チエーン
の如き潤滑箇所６Ｄ、スライド部材の如き潤滑箇
所６Ｅに一定の噴射速度で衝突させて油霧をそれ
ぞれ供給し、潤滑を行つていた。この場合、油霧
を圧縮空気で各潤滑箇所に供給する目的は、潤滑
のため以外に冷却でもある。(Prior Art) As shown in FIG. 2, this type of conventional spray lubrication device sends compressed air to a bench-lily oil mist generator 2 through an air supply path 1, and applies negative pressure according to the supplied air pressure. The negative pressure is used to suck up the oil 3 to generate oil mist, and the oil mist is distributed through the main oil supply path 4 and branch oil supply paths 5A to 5E to lubricate locations such as ball bearings or roller bearings. 5A, a lubrication point 6B such as a plain bearing, a lubrication point 6C such as a gear, a lubrication point 6D such as a chain, and a lubrication point 6E such as a slide member are supplied with oil mist by colliding with each other at a constant injection speed to lubricate. It was on. In this case, the purpose of supplying oil mist with compressed air to each lubricating point is not only for lubrication but also for cooling.
この場合、各潤滑箇所の６Ａ〜６Ｅは、時間的
経過に従に必要な潤滑箇所のみ選択的に稼動させ
る場合も多い。 In this case, the respective lubrication points 6A to 6E are often selectively operated only as necessary lubrication points as time passes.
（考案が解決しようとする問題点）
しかしながら、従来の噴霧潤滑装置では、潤滑
箇所数を時間的に増減する必要のある場合でも同
じ圧力で圧縮空気をベンチユリ式油霧生成器２に
送つていたので、圧縮空気量及びこの圧縮空気に
含まれる油霧量が一定のため潤滑箇所数が増加す
ると油霧の噴射圧力が低くなつて十分な量の油霧
の供給が受けられなくなるばかりでなく、冷却効
果も低下していまう問題があつた。また、潤滑箇
所数が減少すると、圧縮空気量及び油霧量が相対
的に多くなり、潤滑箇所で油霧が過剰になり、更
に油霧の流速が速くなり、該流速が速過ぎると、
給油路の曲り部分で遠心力によつて油霧が空気と
分離され、給油路の内面に付着してしまつて十分
な油霧供給ができなくなるという問題点があつ
た。さらに、潤滑箇所数の増減による油霧生成器
の出口側の大幅な圧力変動に伴い、各潤滑箇所へ
の供給圧力が変動して、十分な油霧の搬送ができ
ないという問題点もあつた。(Problem to be solved by the invention) However, with conventional spray lubrication devices, compressed air is sent to the bench lily oil mist generator 2 at the same pressure even when the number of lubrication points needs to be increased or decreased over time. Therefore, since the amount of compressed air and the amount of oil mist contained in this compressed air are constant, if the number of lubrication points increases, not only will the injection pressure of oil mist decrease and a sufficient amount of oil mist will not be supplied. However, there was a problem that the cooling effect also decreased. In addition, when the number of lubrication points decreases, the amount of compressed air and oil mist become relatively large, resulting in excessive oil mist at the lubrication points, and the flow rate of oil mist increases, and if the flow rate is too fast,
There has been a problem in that the oil mist is separated from the air by centrifugal force at the curved portion of the oil supply passage and adheres to the inner surface of the oil supply passage, making it impossible to supply a sufficient amount of oil mist. Furthermore, there was a problem in that the supply pressure to each lubricating point fluctuated due to large pressure fluctuations on the outlet side of the oil mist generator due to an increase or decrease in the number of lubricating points, making it impossible to convey sufficient oil mist.
本考案の目的は、潤滑箇所数の増減にかかわら
ず一定圧力で油霧を潤滑箇所に供給できる噴霧潤
滑装置を提供することにある。 An object of the present invention is to provide a spray lubrication device that can supply oil mist to lubrication points at a constant pressure regardless of an increase or decrease in the number of lubrication points.
（問題点を解決するための手段）
上記の目的を達成するため本考案は、エアー供
給路を経て圧縮空気をベンチユリ式油霧生成器に
送り、該油霧生成器で生成した油霧を分岐給油路
を経て各潤滑箇所に供給する噴霧潤滑装置におい
て、前記各分岐給油路には油霧を供給するか否か
の選択をする選択弁がそれぞれ設けられ、前記エ
アー供給路には前記圧縮空気を所要の圧力に減圧
して前記油霧生成器に供給するメイン減圧弁が設
けられ、前記メイン減圧弁と前記油霧生成器との
直列な流路に対して並列にエアーバイパス路が設
けられ、該エアーバイパス路には前記油霧生成器
の出口側の圧力を所定の圧力に維持するバイパス
用減圧弁が設けられていることを特徴とする。(Means for Solving the Problems) In order to achieve the above object, the present invention sends compressed air to a bench lily type oil mist generator through an air supply path, and branches the oil mist generated by the oil mist generator. In a spray lubrication device that supplies oil mist to each lubrication point via an oil supply path, each branch oil supply path is provided with a selection valve for selecting whether or not to supply oil mist, and the air supply path is provided with a selection valve that selects whether to supply oil mist. A main pressure reducing valve is provided to reduce the pressure to a required pressure and supply the oil mist generator to the oil mist generator, and an air bypass path is provided in parallel to the series flow path between the main pressure reducing valve and the oil mist generator. , the air bypass path is provided with a bypass pressure reducing valve that maintains the pressure on the outlet side of the oil mist generator at a predetermined pressure.
（作用）
本考案によるバイパス用減圧弁は、油霧生成器
の出口側の圧力が選択弁の開放数の変化により変
化したとき、圧力が予め定めた所定の圧力になる
ように作動する。そして各潤滑箇所に供給される
油霧を含んだ圧縮空気の圧力は選択弁の弁開放数
が変つても変化しなくなる。(Function) The bypass pressure reducing valve according to the present invention operates so that when the pressure on the outlet side of the oil mist generator changes due to a change in the number of openings of the selection valve, the pressure becomes a predetermined pressure. The pressure of the compressed air containing oil mist supplied to each lubricating location does not change even if the number of openings of the selection valve changes.
（実施例）
以下、本考案の実施例を第１図を参照して詳細
に説明する。図示のように、本実施例の油霧潤滑
装置は、コンプレツサー（図示せず）等から供給
される圧縮空気がエアー供給路１を経てベンチユ
リ式油霧生成器２に送り込まれ、前述したように
油霧が生成され、メイン給油路４を経て分岐給油
路５Ａ〜５Ｄで分配され、前述した如き潤滑箇所
６Ａ〜６Ｄに供給されるようになつている。各分
岐給油路５Ａ〜５Ｄには、油霧を供給するか否か
を選択する二方電磁弁よりなる選択弁７Ａ〜７Ｄ
がそれぞれ設けられている。(Example) Hereinafter, an example of the present invention will be described in detail with reference to FIG. As shown in the figure, in the oil mist lubrication system of this embodiment, compressed air supplied from a compressor (not shown) or the like is sent to a bench lily type oil mist generator 2 through an air supply path 1. Oil mist is generated, distributed through the main oil supply passage 4, branch oil supply passages 5A to 5D, and supplied to the aforementioned lubrication points 6A to 6D. Each branch oil supply path 5A to 5D has a selection valve 7A to 7D, which is a two-way solenoid valve that selects whether or not to supply oil mist.
are provided for each.
エアー供給路１の途中には、圧縮空気を所要の
圧力に減圧して油霧生成器２に供給するメイン減
圧弁８が設けられている。 A main pressure reducing valve 8 is provided in the middle of the air supply path 1 to reduce the pressure of compressed air to a required pressure and supply it to the oil mist generator 2.
該メイン減圧弁８と油霧生成器２との直列な流
路に対して並列にエアーバイパス路９が設けられ
ている。該エアーバイパス路９には油霧生成器２
の出口側の圧力を所定の圧力に維持する作用を行
うバイパス用減圧弁１０が設けられている。 An air bypass passage 9 is provided in parallel to the series flow passage between the main pressure reducing valve 8 and the oil mist generator 2. An oil mist generator 2 is provided in the air bypass path 9.
A bypass pressure reducing valve 10 is provided to maintain the pressure on the outlet side at a predetermined pressure.
即ち、このバイパス用減圧弁１０は、図示しな
いバネを内蔵しており、圧力設定具で当該バネの
バネ圧を調節することによつて出口側の圧力が所
定の圧力以下のときに作動して、エアーバイパス
路９を連通させるように圧力設定される。 That is, this bypass pressure reducing valve 10 has a built-in spring (not shown), and is activated when the pressure on the outlet side is below a predetermined pressure by adjusting the spring pressure of the spring with a pressure setting tool. , the pressure is set so as to connect the air bypass path 9.
そして油霧生成器２の出口側のメイン給油路４
における空気流量は、当該油霧生成器２の機能を
発揮させるために一定に保持される必要があるた
め、バイパス用減圧弁１０は、選択弁７Ａ，７
Ｂ，７Ｃ，７Ｄ中の弁開放数の増加によつて、油
霧生成器２の出口側の圧力が所定の圧力以下に低
下したとき作動して、当該出口側を所定の圧力に
維持するためにエアーバイパス路９を通じてエア
ーの補充を行う。また、バイパス用減圧弁１０
は、選択弁７Ａ，７Ｂ，７Ｃ，７Ｄ中の弁開放数
の減少によつて、油霧生成器２の出口側の圧力が
所定の圧力以上に上昇したとき、当該出口側を所
定の圧力に維持するためにリリーフポートを通じ
てエアーを逃がすようになつている。なお、上記
所定の圧力は、弁開放数とは無関係な一定値に設
定されるが、前記バネのバネ圧を変えることによ
つて変更可能である。 And the main oil supply path 4 on the outlet side of the oil mist generator 2
Since the air flow rate in the oil mist generator 2 needs to be kept constant in order to exhibit its function, the bypass pressure reducing valve 10 is connected to the selection valves 7A and 7.
To operate when the pressure on the outlet side of the oil mist generator 2 drops below a predetermined pressure due to an increase in the number of valve openings in B, 7C, and 7D to maintain the outlet side at a predetermined pressure. Then, air is replenished through the air bypass path 9. In addition, the bypass pressure reducing valve 10
When the pressure on the outlet side of the oil mist generator 2 rises above a predetermined pressure due to a decrease in the number of openings of the selection valves 7A, 7B, 7C, and 7D, the outlet side is brought to a predetermined pressure. Air is released through a relief port to maintain this condition. Note that the predetermined pressure is set to a constant value that is independent of the number of valve openings, but can be changed by changing the spring pressure of the spring.
このような油霧潤滑装置は、図示しない弁操作
器から弁開放信号が出て、例えば、選択する７Ａ
〜７Ｃが開放されたとすると、油霧生成器２の出
口におけるメイン給油路４の圧力が所定の圧力よ
り低下する。この状態になると、バイパス用減圧
弁１０が作動してその弁体が開かれ予めそのバイ
パス用減圧弁１０に設定された前述した所定の圧
力になるように制御がなされる。従つて、選択弁
７Ａ〜７Ｄの開放数が変つても各潤滑箇所に与え
られる油霧を含んだ圧縮空気の圧力は変化しなく
なる。従つて、各潤滑箇所への供給圧力が一定に
保持される。このため、油霧量の不足や過剰が生
ぜず、また冷却効果も変化しない。 Such an oil mist lubrication device outputs a valve opening signal from a valve operator (not shown), and selects, for example, 7A.
7C is opened, the pressure in the main oil supply path 4 at the outlet of the oil mist generator 2 drops below a predetermined pressure. In this state, the bypass pressure reducing valve 10 is activated, its valve body is opened, and control is performed so that the above-mentioned predetermined pressure is set in advance in the bypass pressure reducing valve 10. Therefore, even if the number of openings of the selection valves 7A to 7D changes, the pressure of the compressed air containing oil mist applied to each lubricating location does not change. Therefore, the supply pressure to each lubricating point is maintained constant. Therefore, insufficient or excessive amount of oil mist does not occur, and the cooling effect does not change.
なお、上述の実施例では噴霧生成器２にバイパ
ス流路２ａを設け、絞り弁２ｂによつて空気量及
び油量の調節ができるものを示しているが必ずし
もこの方式のものでなくてもよい。 In addition, in the above-mentioned embodiment, the spray generator 2 is provided with a bypass flow path 2a, and the amount of air and oil can be adjusted by the throttle valve 2b, but this type of system is not necessarily required. .
（考案の効果）
以上説明したように本考案に係る噴霧潤滑装置
は、メイン減圧弁と油霧生成器との直列な流路に
対して並列にエアーバイパス路を設け、該エアー
バイパス路には油霧生成器の出口側の圧力を所定
の圧力に維持するバイパス用減圧弁を設けたの
で、選択弁の開放数の変化により油霧生成器の出
口側の圧力が予め定められた圧力よる低下しても
該バイパス用減圧弁の作用でその予め定められた
圧力にひき戻すことができる。従つて、選択弁の
開放数が変つても各潤滑箇所に与えられる油霧の
圧力が一定以下とならず、油霧量の不足や過剰を
防止でき、且つ冷却効果もほぼ一定に維持でき
る。(Effects of the invention) As explained above, the spray lubrication device according to the invention has an air bypass passage provided in parallel to the series flow passage between the main pressure reducing valve and the oil mist generator, and the air bypass passage is Since a bypass pressure reducing valve is provided to maintain the pressure on the outlet side of the oil mist generator at a predetermined pressure, the pressure on the outlet side of the oil mist generator can be reduced to a predetermined pressure by changing the number of openings of the selection valve. However, the pressure can be pulled back to the predetermined pressure by the action of the bypass pressure reducing valve. Therefore, even if the number of openings of the selection valve changes, the pressure of the oil mist applied to each lubricating location does not fall below a certain level, preventing insufficient or excessive amounts of oil mist, and also maintaining the cooling effect at a substantially constant level.
第１図は本考案に係る装置の構成を示すブロツ
ク図、第２図は従来の装置の概略構成を示す説明
図である。
１……エアー供給路、２……油霧生成器、５Ａ
〜５Ｄ……分岐給油路、６Ａ〜６Ｄ……潤滑箇
所、７Ａ〜７Ｄ……選択弁、８……メイン減圧
弁、９……エアーバイパス路、１０……バイパス
用減圧弁。
FIG. 1 is a block diagram showing the configuration of a device according to the present invention, and FIG. 2 is an explanatory diagram showing a schematic configuration of a conventional device. 1... Air supply path, 2... Oil mist generator, 5A
~5D...branch oil supply path, 6A-6D...lubrication point, 7A-7D...selection valve, 8...main pressure reducing valve, 9...air bypass path, 10...bypass pressure reducing valve.
Claims (1)
霧生成器に送り、該油霧生成器で生成した油霧を
分岐給油路を経て軸受、歯車等の各潤滑箇所に供
給する噴霧潤滑装置において、前記各分岐給油路
には油霧を供給するか否かの選択をする選択弁が
それぞれ設けられ、前記エアー供給路には前記圧
縮空気を所要の圧力に減圧して前記油霧生成器に
供給するメイン減圧弁が設けられ、前記メイン減
圧弁と前記油霧生成器との直列な流路に対して並
列にエアーバイパス路が設けられ、該エアーバイ
パス路には前記油霧生成器の出口側の圧力を所定
の圧力に維持するバイパス用減圧弁が設けられて
いることを特徴とする噴霧潤滑装置。 In the spray lubrication device, compressed air is sent to a bench-lily oil mist generator via an air supply path, and the oil mist generated by the oil mist generator is supplied to each lubricating point such as a bearing, a gear, etc. via a branch oil supply path. Each branch oil supply path is provided with a selection valve for selecting whether or not to supply oil mist, and the air supply path reduces the pressure of the compressed air to a required pressure and supplies it to the oil mist generator. A main pressure reducing valve is provided, and an air bypass path is provided in parallel to the series flow path between the main pressure reducing valve and the oil mist generator, and the air bypass path includes an air bypass path on the outlet side of the oil mist generator. A spray lubrication device characterized by being provided with a bypass pressure reducing valve that maintains pressure at a predetermined pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19835786U JPH021599Y2 (en) | 1986-12-25 | 1986-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19835786U JPH021599Y2 (en) | 1986-12-25 | 1986-12-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63103094U JPS63103094U (en) | 1988-07-04 |
| JPH021599Y2 true JPH021599Y2 (en) | 1990-01-16 |
Family
ID=31158969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19835786U Expired JPH021599Y2 (en) | 1986-12-25 | 1986-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH021599Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6141043B2 (en) * | 2013-02-21 | 2017-06-07 | 三菱重工業株式会社 | Oil mist generator |
| JP6270013B2 (en) * | 2013-02-21 | 2018-01-31 | 三菱重工業株式会社 | Oil mist generator |
-
1986
- 1986-12-25 JP JP19835786U patent/JPH021599Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63103094U (en) | 1988-07-04 |
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