CN106640814A - Compound throttling device for micro-pore capillary tube used for static-pressure guide rail - Google Patents
Compound throttling device for micro-pore capillary tube used for static-pressure guide rail Download PDFInfo
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- CN106640814A CN106640814A CN201611215993.XA CN201611215993A CN106640814A CN 106640814 A CN106640814 A CN 106640814A CN 201611215993 A CN201611215993 A CN 201611215993A CN 106640814 A CN106640814 A CN 106640814A
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- Prior art keywords
- throttling
- throttle
- capillary tube
- hydrostatic slideway
- aperture
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0629—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion
- F16C32/064—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion the liquid being supplied under pressure
- F16C32/0644—Details of devices to control the supply of liquids to the bearings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Pipeline Systems (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The invention relates to the technical field of throttling devices, in particular to a compound throttling device for a micro-pore capillary tube used for a static-pressure guide rail. The compound throttling device comprises an integrated block, wherein an input oil channel and an output oil channel are arranged in the integrated block; a plurality of first throttling inlets, first throttling outlets, second throttling inlets and second throttling outlets are arranged on the integrated block; throttling machines are separately arranged in the first throttling outlets and the second throttling outlets; each throttling machine comprises a throttling machine body and a throttling channel arranged in the throttling machine body; and each throttling channel is composed of a capillary tube and a throttling micro-pore which communicates with the capillary tube. The compound throttling device has the advantages that the structure is simple, throttling precision is high, throttling parameters and liquid viscosity are independent of an oil temperature, and integration is facilitated.
Description
Technical field
The present invention relates to throttling arrangement technical field, more particularly to a kind of compound section of aperture capillary for hydrostatic slideway
Stream device.
Background technology
At present hydrostatic slideway mainly has constant pressure hydrostatic slideway and two kinds of forms of constant-current static-pressure guide rail.Wherein constant-current static-pressure guide rail
Throttling arrangement is not needed, the hydraulic oil of constant flow rate is provided for each oil pocket by multi-head pump, so as to realize the control of hydrostatic slideway.
And constant pressure hydrostatic slideway is the flow pressure that each oil pocket is controlled by throttle style, so as to realize the control of hydrostatic slideway.
The throttle style of existing constant pressure hydrostatic slideway mainly has：Crevice throttle, orifice restriction, capillary-compensated, reaction type
Throttling.Wherein crevice throttle flows through the flow in gap and is directly proportional to the viscosity of hydraulic oil, is mainly used in hydrostatic bearing, version
Be not suitable for hydrostatic slideway.Orifice restriction is unrelated with the viscosity of hydraulic oil, and hydrostatic slideway itself oil return belongs to crevice throttle, gap
Flow through the flow in gap to be directly proportional to the viscosity of hydraulic oil, so orifice restriction is used for hydrostatic slideway meeting temperature influence.
The capillary of capillary-compensated is longer, is unfavorable for the integrated of product, increases the size of throttling arrangement.Reaction type throttle structure
Complexity, process and assemble required precision is higher.
The content of the invention
(1) technical problem to be solved
It is an object of the invention to provide a kind of aperture capillary tube combined throttling device for hydrostatic slideway, solves existing quiet
The Restriction Parameters that pressure guide rail throttle style is present are temperature dependent with liquid viscosity, are unfavorable for integrated, complex structure, and throttle precision
Low problem.
(2) technical scheme
In order to solve above-mentioned technical problem, the invention provides a kind of aperture capillary tube combined throttling for hydrostatic slideway
Device, including integrated package, are provided with the oily passage of input and defeated oil discharge passage in the integrated package, be provided with some on the integrated package
First throttle entrance and some first throttles are exported, described first throttle entrance and first throttle outlet respectively with the input
Oily passage is connected；It is provided with some second section inflow entrances and some second section flow exports on the integrated package, described second
Throttling entrance and second section flow export are connected respectively with the defeated oil discharge passage；Wherein export and described in the first throttle
Flow controller is respectively equipped with second section flow export, the flow controller includes flow controller body and is arranged on the flow controller body
In throttling passage, the throttling passage is made up of capillary and the throttling pore being connected with the capillary.
Further, the internal diameter of the capillary is 0.5～1.5mm, and the draw ratio of the capillary is 10～40.
Further, the aperture of the throttling pore is 0.1～0.3mm, and the draw ratio of the throttling pore is 1～4.
Further, the aperture of the throttling pore and the ratio of the internal diameter of the capillary are 4～7.
Specifically, the length of the flow controller is 10～20mm.
Specifically, internal thread, the flow controller are respectively equipped with the first throttle outlet and the second section flow export
Body is provided with the external screw thread being adapted with the internal thread.
Further, extending connector is separately installed with one end of the described oily passage of input and defeated oil discharge passage, it is described
Extending connector is provided with extending connector sealing ring；It is separately installed with the other end of the described oily passage of input and defeated oil discharge passage
Oil is stifled.
Specifically, the integrated package is rectangular structure, wherein the outlet of described first throttle entrance, first throttle, the
Two throttling entrances and second section flow export are arranged on the same side of the integrated package；Described first throttle entrance and
One throttling outlet is perpendicular with the oily passage of the input, and described second section inflow entrance and second section flow export is defeated with described
Oil discharge passage is perpendicular.
Specifically, the integrated package is fixedly installed on hydrostatic slideway by some screws, wherein described first throttle
Entrance, first throttle outlet, second section inflow entrance and second section flow export respectively with the hydrostatic slideway on guide rail oilhole one
One correspondence.
(3) beneficial effect
The above-mentioned technical proposal of the present invention has the advantage that：
Provided by the present invention for the aperture capillary tube combined throttling device of hydrostatic slideway, input oil is set in integrated package
Passage and defeated oil discharge passage, arrange the first throttle entrance and first throttle being connected with the oily passage of input on the integrated package
Outlet, arranges the second section inflow entrance and second section flow export being connected with defeated oil discharge passage, first on the integrated package
Flow controller is installed in throttling outlet and second section flow export, wherein the throttling passage of flow controller is by capillary and throttling pore group
Into, so as to by orifice restriction in combination with capillary-compensated, simple structure, throttle high precision, Restriction Parameters and liquid viscosity and
Oil temperature is unrelated, be conducive to it is integrated, so as to reduce hydrostatic slideway overall dimensions.
Provided by the present invention for the aperture capillary tube combined throttling device of hydrostatic slideway, small volume, throttling control point can
Arbitrarily add or reduce according to the actual rail oil hole count of hydrostatic slideway, it is easy to operate.
Provided by the present invention for the aperture capillary tube combined throttling device of hydrostatic slideway, throttling hole site can flexibly set
Put, processed according to the guide rail oil-hole location of hydrostatic slideway.
It is convenient to change Restriction Parameters provided by the present invention for the aperture capillary tube combined throttling device of hydrostatic slideway, lead to
Cross the different flow controller in the aperture of replacing throttling pore, you can realize the change of Restriction Parameters.
Description of the drawings
Fig. 1 is the front view of the aperture capillary tube combined throttling device that the embodiment of the present invention is used for hydrostatic slideway；
Fig. 2 is the A-A of the Fig. 1 for the aperture capillary tube combined throttling device that the embodiment of the present invention is used for hydrostatic slideway to section view
Figure；
Fig. 3 is the B-B direction section view of the Fig. 1 for the aperture capillary tube combined throttling device that the embodiment of the present invention is used for hydrostatic slideway
Figure；
Fig. 4 is the flow controller structure section view of the aperture capillary tube combined throttling device that the embodiment of the present invention is used for hydrostatic slideway
Figure.
Fig. 5 is the explosive view of the aperture capillary tube combined throttling device that the embodiment of the present invention is used for hydrostatic slideway.
In figure：1：Integrated package；2：The oily passage of input；3：Defeated oil discharge passage；4A：First throttle entrance；4B：Second section is flowed into
Mouthful；5A：First throttle is exported；5B：Second section flow export；6：Flow controller；601：Capillary；602：Throttling pore；7：Expansion connects
Head；8：Extending connector sealing ring；9：Oil is stifled；10：Screw；11：Installation screw.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than the embodiment of whole.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
As Figure 1-5, the aperture capillary tube combined throttling device for hydrostatic slideway provided in an embodiment of the present invention, bag
Integrated package 1 is included, the oily passage 2 of input and defeated oil discharge passage 3 are provided with the integrated package 1, some the are provided with the integrated package 1
One throttling entrance 4A and some first throttles outlet 5A, described first throttle entrance 4A and first throttle outlet 5A respectively with institute
State the oily passage 2 of input to be connected.Some second section inflow entrance 4B and some second section flow exports are provided with the integrated package 1
5B, described second section inflow entrance 4B and second section flow export 5B is connected respectively with the defeated oil discharge passage 3.It is wherein described
First throttle entrance 4A, first throttle outlet 5A, the number of second section inflow entrance 4B and second section flow export 5B are saved as needed
The quantity of the actual guide rail oilhole on the hydrostatic slideway of stream and set.
Flow controller 6, the flow controller 6 are respectively equipped with the first throttle outlet 5A and second section flow export 5B
Including flow controller body and the throttling passage being arranged in the flow controller body, the throttling passage by capillary 601 with
And the throttling pore 602 being connected with the capillary 601 is constituted.
Furthermore, the length of the flow controller 6 is 10～20mm.The internal diameter of the capillary 601 be 0.5～
1.5mm, the draw ratio of the capillary 601 is 10～40.The aperture of the throttling pore 602 be 0.1～0.3mm, the section
The draw ratio of stream aperture 602 is 1～4.The aperture of the throttling pore 602 is 4～7 with the ratio of the internal diameter of the capillary 601,
In the present embodiment the aperture of the throttling pore 602 is preferably 5 with the ratio of the internal diameter of the capillary 601.By to capillary
The setting of the dimensional parameters of pipe 601 and throttling pore 602 so that flow controller is obtained in that optimal restriction effect.
Specifically, internal thread is respectively equipped with the first throttle outlet 5A and second section flow export 5B, it is described
The flow controller body of flow controller 6 is provided with the external screw thread being adapted with the internal thread, namely each flow controller 6 respectively with institute
State and be threaded connection between the first throttle outlet 5A and second section flow export 5B.
Furthermore, docking station is respectively equipped with one end of the described oily passage 2 of input and defeated oil discharge passage 3, in institute
State and be provided with docking station extending connector 7, the extending connector 7 is provided with extending connector sealing ring 8, so as to realize extending connector
Interference connection between 7 and docking station.Oil is separately installed with the other end of the described oily passage 2 of input and defeated oil discharge passage 3
Stifled 9.By arranging extending connector 7 and oil stifled 9, being cascaded to multiple integrated packages 1 can be realized to throttling arrangement
Extension is installed.
Specifically, the integrated package 1 is rectangular structure, wherein described first throttle entrance 4A, first segment flow out
Mouth 5A, second section inflow entrance 4B and second section flow export 5B are arranged on the same side of the integrated package 1.It is wherein described
First throttle entrance 4A and first throttle outlet 5A are input into the perpendicular setting of oily passage 2 with described, and described second section is flowed into
Mouthful 4B and second section flow export 5B with the perpendicular setting of the defeated oil discharge passage 3.
When using, the integrated package 1 is fixedly installed in by some screws 10 on the hydrostatic slideway for needing throttling, in institute
State integrated package 1 and be provided with some installation screws 11 being engaged with the screw 10.First is provided with wherein described integrated package 1
Throttling entrance 4A, first throttle outlet 5A, the side of second section inflow entrance 4B and second section flow export 5B and the peace of hydrostatic slideway
Dress face fits, and is sealed using sealing ring between the binding face of the integrated package 1 and the binding face of hydrostatic slideway, and described
First throttle entrance 4A, first throttle outlet 5A, second section inflow entrance 4B and second section flow export 5B respectively with the static pressure
Guide rail oilhole on guide rail is corresponded.
The operation principle of the aperture capillary tube combined throttling device for hydrostatic slideway provided in an embodiment of the present invention is：Pump
Hydraulic oil (have viscosity) of the output with pressure, by first throttle entrance 4A and second section inflow entrance 4B integrated package 1 is entered into
In, pressure oil is assigned to each throttling exit by internal input oil passage 2 and defeated oil discharge passage 3, then through flow controller 6
Capillary 601, the reducing pressure by regulating flow of throttling pore 602 after, enter from each first throttle outlet 5A and second section flow export 5B holes
Entering needs in the hydrostatic slideway oilhole for throttling, so as to the state control that the neat liquid for realizing hydrostatic slideway rubs.
In sum, the aperture capillary tube combined throttling device for hydrostatic slideway provided in an embodiment of the present invention has such as
Lower advantage：
1st, the aperture capillary tube combined throttling device for hydrostatic slideway provided in an embodiment of the present invention, flow controller is by aperture
In combination with capillary-compensated, simple structure, throttling high precision, Restriction Parameters are unrelated with liquid viscosity and oil temperature, favorably for throttling
In integrated, so as to reduce hydrostatic slideway overall dimensions.
2nd, the aperture capillary tube combined throttling device for hydrostatic slideway provided in an embodiment of the present invention, small volume, throttling
Control point can be easy to operate according to the arbitrarily addition of the actual rail oil hole count of hydrostatic slideway or reduction.
3rd, the aperture capillary tube combined throttling device for hydrostatic slideway provided in an embodiment of the present invention, throttling hole site can
Flexibly arrange, processed according to the guide rail oil-hole location of hydrostatic slideway.
4th, the aperture capillary tube combined throttling device for hydrostatic slideway provided in an embodiment of the present invention, it is convenient to change throttling
Parameter, by the different flow controller in the aperture for changing throttling pore, you can realize the change of Restriction Parameters.
In describing the invention, it should be noted that term " first ", " second " etc. are only used for describing purpose, and not
It is understood that to indicate or implying relative importance.
In describing the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " installation ",
" connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or integratedly connect
Connect；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary.It is right
For one of ordinary skill in the art, visual concrete condition understands above-mentioned term concrete meaning in the present invention.
Finally it should be noted that：Above example only to illustrate technical scheme, rather than a limitation；Although
The present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To modify to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (9)
1. a kind of aperture capillary tube combined throttling device for hydrostatic slideway, it is characterised in that：It is described integrated including integrated package
The oily passage of input and defeated oil discharge passage are provided with block, some first throttle entrances and some first segments are provided with the integrated package
Flow export, described first throttle entrance and first throttle outlet is connected respectively with the oily passage of the input；Described integrated
Block is provided with some second section inflow entrances and some second section flow exports, and described second section inflow entrance and second section flow export divides
It is not connected with the defeated oil discharge passage；Wherein it is respectively equipped with section in first throttle outlet and the second section flow export
Stream device, the flow controller includes flow controller body and the throttling passage being arranged in the flow controller body, and the throttling is led to
Road is made up of capillary and the throttling pore being connected with the capillary.
2. the aperture capillary tube combined throttling device for hydrostatic slideway according to claim 1, it is characterised in that：It is described
First throttle is exported and is respectively equipped with internal thread with the second section flow export, and the flow controller body is provided with and the interior spiral shell
The external screw thread that line is adapted.
3. the aperture capillary tube combined throttling device for hydrostatic slideway according to claim 1, it is characterised in that：It is described
The internal diameter of capillary is 0.5～1.5mm, and the draw ratio of the capillary is 10～40.
4. the aperture capillary tube combined throttling device for hydrostatic slideway according to claim 1, it is characterised in that：It is described
The aperture of throttling pore is 0.1～0.3mm, and the draw ratio of the throttling pore is 1～4.
5. the aperture capillary tube combined throttling device for hydrostatic slideway according to claim 1, it is characterised in that：It is described
The aperture of throttling pore is 4～7 with the ratio of the internal diameter of the capillary.
6. the aperture capillary tube combined throttling device for hydrostatic slideway according to claim 1, it is characterised in that：It is described
The length of flow controller is 10～20mm.
7. the aperture capillary tube combined throttling device for hydrostatic slideway according to claim 1, it is characterised in that：Institute
The oily passage of input stated and one end of defeated oil discharge passage are separately installed with extending connector, and the extending connector is provided with extending connector
Sealing ring；It is stifled oil to be separately installed with the other end of the described oily passage of input and defeated oil discharge passage.
8. the aperture capillary tube combined throttling device for hydrostatic slideway according to claim 1, it is characterised in that：It is described
Integrated package is rectangular structure, wherein the outlet of described first throttle entrance, first throttle, second section inflow entrance and the second throttling
Outlet is arranged on the same side of the integrated package；Described first throttle entrance and first throttle outlet is defeated with described
Enter that oily passage is perpendicular, described second section inflow entrance and second section flow export is perpendicular with the defeated oil discharge passage.
9. the aperture capillary tube combined throttling device for hydrostatic slideway according to any one of claim 1-8, its feature
It is：The integrated package is fixedly installed on hydrostatic slideway by some screws, wherein described first throttle entrance, first segment
Flow export, second section inflow entrance and second section flow export are corresponded respectively with the guide rail oilhole on the hydrostatic slideway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611215993.XA CN106640814B (en) | 2016-12-26 | 2016-12-26 | A kind of aperture capillary tube combined throttling device for hydrostatic slideway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611215993.XA CN106640814B (en) | 2016-12-26 | 2016-12-26 | A kind of aperture capillary tube combined throttling device for hydrostatic slideway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106640814A true CN106640814A (en) | 2017-05-10 |
| CN106640814B CN106640814B (en) | 2019-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611215993.XA Active CN106640814B (en) | 2016-12-26 | 2016-12-26 | A kind of aperture capillary tube combined throttling device for hydrostatic slideway |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108481188A (en) * | 2018-05-11 | 2018-09-04 | 深圳市兴旺达科技有限公司 | A kind of high-efficiency lubricating guide rail and the grinding machine with the guide rail |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1394580A (en) * | 1971-06-30 | 1975-05-21 | Konings Maschf Ijzer En Metala | Device for the hydrostatic guiding of mutually movable parts |
| CN102650319A (en) * | 2012-03-13 | 2012-08-29 | 杜建军 | Fluid static pressure bearing |
| CN102720763A (en) * | 2012-03-28 | 2012-10-10 | 哈尔滨工业大学深圳研究生院 | Closed fluid hydrostatic guiderail |
| CN104298257A (en) * | 2014-09-24 | 2015-01-21 | 上海空间推进研究所 | Gas micro-flow throttler |
| CN206377084U (en) * | 2016-12-26 | 2017-08-04 | 湖大海捷(湖南)工程技术研究有限公司 | A kind of aperture capillary tube combined throttling device for hydrostatic slideway |
-
2016
- 2016-12-26 CN CN201611215993.XA patent/CN106640814B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1394580A (en) * | 1971-06-30 | 1975-05-21 | Konings Maschf Ijzer En Metala | Device for the hydrostatic guiding of mutually movable parts |
| CN102650319A (en) * | 2012-03-13 | 2012-08-29 | 杜建军 | Fluid static pressure bearing |
| CN102720763A (en) * | 2012-03-28 | 2012-10-10 | 哈尔滨工业大学深圳研究生院 | Closed fluid hydrostatic guiderail |
| CN104298257A (en) * | 2014-09-24 | 2015-01-21 | 上海空间推进研究所 | Gas micro-flow throttler |
| CN206377084U (en) * | 2016-12-26 | 2017-08-04 | 湖大海捷(湖南)工程技术研究有限公司 | A kind of aperture capillary tube combined throttling device for hydrostatic slideway |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108481188A (en) * | 2018-05-11 | 2018-09-04 | 深圳市兴旺达科技有限公司 | A kind of high-efficiency lubricating guide rail and the grinding machine with the guide rail |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106640814B (en) | 2019-01-18 |
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