CN106704634A - SLM technology based proportional directional valve element and proportional directional valve - Google Patents
SLM technology based proportional directional valve element and proportional directional valve Download PDFInfo
- Publication number
- CN106704634A CN106704634A CN201611045909.4A CN201611045909A CN106704634A CN 106704634 A CN106704634 A CN 106704634A CN 201611045909 A CN201611045909 A CN 201611045909A CN 106704634 A CN106704634 A CN 106704634A
- Authority
- CN
- China
- Prior art keywords
- valve element
- valve
- main body
- proportional directional
- proportional reversing
- 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.)
- Granted
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Classifications
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses an SLM technology based proportional directional valve element and a proportional directional valve. The valve element comprises a valve element body and sealing covers arranged at the two ends of the valve element body in a blocking manner. A plurality of throttle opening sets are formed in the outer portion of the valve element body in the direction of the axis of the valve element body. Each throttle opening set is composed of a plurality of composite triangular throttle openings evenly distributed in the circumferential direction of the valve element body. A hollow structure is arranged in the valve element body. The SLM fast forming technology is applied to manufacturing of the valve element, and therefore the proportional directional valve element with the throttle openings in special shapes and with the special hollow structure inside is designed, the flow characteristic of the proportional directional valve can be remarkably improved, the mass of the valve element can be relieved, and the frequency response can be improved; and meanwhile, friction force in the valve element movement process is reduced, the use performance of the proportional directional valve is remarkably improved, and the service life of the proportional directional valve is remarkably prolonged.
Description
Technical field
The invention belongs to electrical-liquid control field, more particularly to a kind of proportional reversing valve valve element based on SLM technologies and
Proportional reversing valve.
Background technology
Electro-hydraulic proportion reversing valve is the important component of electro-hydraulic proportional control technology.Fig. 1 is a kind of existing Direct Action Type
The sectional view of proportional reversing valve, mainly by valve body, valve element, compression spring, proportion electro-magnet and amplifier are constituted.Valve element is placed in valve
In body, the adhesive of passing ratio electromagnet makes valve element move left and right realization commutation, so as to realize changes in flow rate or oil circuit break-make.Valve
Core as proportional reversing valve key component, the service behaviour of its structure design and workmanship comparative example reversal valve has and determines
Property influence.Design and manufacture yet with valve element are limited to traditional machine tooling so that the valve element knot of many superior performances
Structure only resides within the design phase.
The content of the invention
It is an object of the present invention to overcome the limitation of existing direct action type proportional change-over valve core structure design and processing, carry
A kind of proportional reversing valve valve element and proportional reversing valve based on SLM technologies are supplied, technical problem to be solved is by selectivity
Lf (SLM) rapid shaping technique is applied to the manufacture of valve element, so as to design restriction with special shape and interior
Portion has the proportional reversing valve valve element of special hollow structure, can significantly improve the discharge characteristic of proportional reversing valve, mitigates
The quality of valve element, improves frequency response, while reducing the frictional force during valve core movement, significantly improves the usability of proportional reversing valve
Energy and life-span.
The object of the invention to solve the technical problems is realized using following technical scheme：One kind is based on SLM technologies
Proportional reversing valve valve element, including valve element main body and closure valve element main body two ends capping, the outside edge of the valve element main body
Valve element main body axis direction is provided with some restriction groups, and the restriction group is uniformly distributed by some along valve element main body circumferencial direction
Combined type triangle restriction composition；The inside of the valve element main body is provided with hollow structure.
Further, the combined type triangle restriction is formed for double triangle along the radial stacking of valve element main body.
Further, some equally distributed first through hole are provided with the middle part of the valve element main body, the valve element main body
Two ends are provided with funnelform second through hole, and the first through hole and the second through hole constitute hollow structure.
Further, the valve element main body and capping interference fit.
Further, the valve element melts (SLM) rapid shaping technique and is obtained by selective laser.
The application also provides a kind of proportional reversing valve, including valve body, compression spring, proportion electro-magnet, amplifier and above-mentioned
Valve element；The valve element is arranged in valve body, and the two ends of the valve body are provided with proportion electro-magnet, the one of the compression spring
End props up one end of valve element, and one end of compression spring props up proportion electro-magnet, and the amplifier is connected with proportion electro-magnet.
The present invention has the beneficial effect that：
1st, the present invention designs the restriction of double triangle shape on valve element, and is directly added by SLM rapid shaping techniques
Work goes out gable top not with rounded corners, can significantly improve the discharge characteristic of proportional reversing valve, improves performance.
2nd, the present invention substantially avoid SLM rapid shaping techniques and exist in the hollow structure and double closure design of valve core inside
The problem of support is added during processing valve element, and the cleaning completely of valve core inside residual powder is realized after machining.
3rd, the present invention dramatically reduces the quality of valve element in the hollow structure of valve core inside, can effectively improve ratio
The frequency response of reversal valve.The light-weighted realization of valve element simultaneously can reduce the frictional force during valve core movement, so as to significantly carry
The use reliability of reversal valve and life-span at high proportion.
Brief description of the drawings
Fig. 1 is a kind of sectional view of existing direct action type proportional reversal valve；
Fig. 2 is a kind of valve element schematic diagram of existing direct action type proportional reversal valve；
Fig. 3 is the axonometric drawing of the valve element of the direct action type proportional reversal valve of the embodiment of the present invention；
Fig. 4 is the valve element front view of the direct action type proportional reversal valve of the embodiment of the present invention；
Fig. 5 is the valve element sectional view of the direct action type proportional reversal valve of the embodiment of the present invention；
Fig. 6 be in Fig. 5 C-C to sectional view；
In figure, valve body 1, valve element 2, compression spring 3, proportion electro-magnet 4, amplifier 5, valve element main body 6, capping 7, combined type
Triangle restriction 8, hollow structure 9, first through hole 10, the second through hole 11, gable top 12.
Specific embodiment
For the present invention foregoing and other technologies content, feature and effect, are further described below in conjunction with the accompanying drawings.
Fig. 1 and Fig. 2 are a kind of sectional views of existing direct action type proportional reversal valve, mainly by valve body 1, valve element 2, pressure bullet
Spring 3, proportion electro-magnet 4 and amplifier 5 are constituted, and the valve element 2 is arranged in valve body 1, and the two ends of the valve body 1 are provided with ratio
Example electromagnet 4, one end of the compression spring 3 props up one end of valve element 2, and one end of compression spring 3 props up proportion electro-magnet 4,
The amplifier 5 is connected with proportion electro-magnet 4, and the adhesive of passing ratio electromagnet 4 makes valve element 2 move left and right realization commutation, from
And realize changes in flow rate or oil circuit break-make.
Lf rapid shaping technique is a kind of metal increases material manufacturing technology, based on discrete-accumulation principle, by three-dimensional
Model layers, successively complete exemplar shaping, therefore can be molded multiple by laser in the way of motlten metal powder carries out buildup of material
Miscellaneous structure.As seen in figures 3-6, a kind of proportional reversing valve valve element based on SLM technologies that the present invention is provided, including valve element main body 6
With closure the two ends of valve element main body 6 capping 7, the valve element main body 6 with capping 7 interference fits；The outside of the valve element main body 6
4 groups of restriction groups are provided with along the axis direction of valve element main body 6, the restriction group is uniformly divided by 4 along the circumferencial direction of valve element main body 6
The combined type triangle restriction 8 of cloth is constituted, and the combined type triangle restriction 8 is footpath of the double triangle along valve element main body 6
To being formed by stacking, and gable top 12 not with rounded corners is directly processed by SLM rapid shaping techniques, than shown in Fig. 2
Arc restriction valve element, the present invention can significantly improve the discharge characteristic of proportional reversing valve, improve performance.It is described
The inside of valve element main body 6 is provided with hollow structure 9, and the middle part of the valve element main body 6 is provided with some equally distributed first through hole 10,
The two ends of the valve element main body 6 are provided with funnelform second through hole 11, and the through hole 11 of the first through hole 10 and second constitutes hollow
Structure, the hollow structure 9 dramatically reduces the quality of valve element, can effectively improve the frequency response of proportional reversing valve, while valve
The light-weighted realization of core can reduce the frictional force during valve core movement, so as to the use for significantly improving proportional reversing valve can
By property and life-span.
The present invention also provides a kind of proportional reversing valve, including valve body 1, compression spring 3, proportion electro-magnet 4, the and of amplifier 5
Above-mentioned valve element 2；The valve element 2 is arranged in valve body 1, and the two ends of the valve body 1 are provided with proportion electro-magnet 4, the pressure
One end of power spring 3 props up one end of valve element 2, and one end of compression spring 3 props up proportion electro-magnet 4, the amplifier 5 and ratio
Electromagnet 4 is connected.
For existing direct action type proportional change-over valve core structure design and the limitation of processing, valve element of the invention is by selection
Property lf (SLM) rapid shaping technique be obtained, the present invention by selective laser melting (SLM) rapid shaping technique be applied to
The manufacture of valve element, so as to design the restriction and the internal proportional reversing valve with special hollow structure with special shape
Valve element, can significantly improve the discharge characteristic of proportional reversing valve, mitigate the quality of valve element, improve frequency response, while reducing valve element
Frictional force in motion process, significantly improves performance and the life-span of proportional reversing valve.
Claims (6)
1. a kind of proportional reversing valve valve element based on SLM technologies, it is characterised in that including valve element main body (6) and closure in valve element
The capping (7) at main body (6) two ends etc., the outside of the valve element main body (6) is provided with some throttlings along valve element main body (6) axis direction
Mouth group, the restriction group is by some along equally distributed combined type triangle restriction (8) group of valve element main body (6) circumferencial direction
Into；The inside of the valve element main body (6) is provided with hollow structure (9).
2. the proportional reversing valve valve element of SLM technologies is based on as claimed in claim 1, it is characterised in that the combined type triangle
Shape restriction (8) is double triangle along radial stacking the forming of valve element main body (6).
3. the proportional reversing valve valve element of SLM technologies is based on as claimed in claim 1, it is characterised in that the valve element main body (6)
Middle part be provided with some equally distributed first through hole (10), the two ends of the valve element main body (6) are provided with funnelform second and lead to
Hole (11), the first through hole (10) and the second through hole (11) constitute hollow structure.
4. the proportional reversing valve valve element of SLM technologies is based on as claimed in claim 1, it is characterised in that the valve element main body (6)
With capping (7) interference fit.
5. the proportional reversing valve valve element based on SLM technologies as described in claim any one of 1-4, it is characterised in that the valve
Core melts rapid shaping technique and is obtained by selective laser.
6. a kind of proportional reversing valve, it is characterised in that including valve body (1), compression spring (3), proportion electro-magnet (4), amplifier
(5) valve element (2) and described in claim any one of 1-4；The valve element (2) is arranged in valve body (1), the valve body (1)
Two ends are provided with proportion electro-magnet (4), and one end of the compression spring (3) props up one end of valve element (2), compression spring (3)
One end prop up proportion electro-magnet (4), the amplifier (5) is connected with proportion electro-magnet (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611045909.4A CN106704634B (en) | 2016-11-22 | 2016-11-22 | Proportional reversing valve spool and proportional reversing valve based on SLM technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611045909.4A CN106704634B (en) | 2016-11-22 | 2016-11-22 | Proportional reversing valve spool and proportional reversing valve based on SLM technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106704634A true CN106704634A (en) | 2017-05-24 |
| CN106704634B CN106704634B (en) | 2019-02-19 |
Family
ID=58934763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611045909.4A Active CN106704634B (en) | 2016-11-22 | 2016-11-22 | Proportional reversing valve spool and proportional reversing valve based on SLM technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106704634B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375091A (en) * | 2019-06-06 | 2019-10-25 | 浙江大学 | A kind of lightweight change valve and reversal valve based on SLM technology |
| CN113915186A (en) * | 2021-10-12 | 2022-01-11 | 山东大学 | Hydraulic one-way valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5776370A (en) * | 1980-10-29 | 1982-05-13 | Hitachi Ltd | High-speed servo valve |
| JPS5783763A (en) * | 1980-11-14 | 1982-05-25 | Hitachi Ltd | Direct drive type servo valve |
| CN102537507A (en) * | 2012-03-15 | 2012-07-04 | 武汉船用机械有限责任公司 | Valve core of vane hydraulic motor controller |
| CN204141015U (en) * | 2014-10-15 | 2015-02-04 | 北京华德液压工业集团有限责任公司 | The solenoid directional control valve of Cross fade |
| CN105308372A (en) * | 2013-04-15 | 2016-02-03 | Ksb股份公司 | Construction of a metallically sealing angle seat geometry by means of laser melting |
| CN206320338U (en) * | 2016-11-22 | 2017-07-11 | 浙江大学 | A kind of proportional reversing valve valve element and proportional reversing valve based on SLM technologies |
-
2016
- 2016-11-22 CN CN201611045909.4A patent/CN106704634B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5776370A (en) * | 1980-10-29 | 1982-05-13 | Hitachi Ltd | High-speed servo valve |
| JPS5783763A (en) * | 1980-11-14 | 1982-05-25 | Hitachi Ltd | Direct drive type servo valve |
| CN102537507A (en) * | 2012-03-15 | 2012-07-04 | 武汉船用机械有限责任公司 | Valve core of vane hydraulic motor controller |
| CN105308372A (en) * | 2013-04-15 | 2016-02-03 | Ksb股份公司 | Construction of a metallically sealing angle seat geometry by means of laser melting |
| CN204141015U (en) * | 2014-10-15 | 2015-02-04 | 北京华德液压工业集团有限责任公司 | The solenoid directional control valve of Cross fade |
| CN206320338U (en) * | 2016-11-22 | 2017-07-11 | 浙江大学 | A kind of proportional reversing valve valve element and proportional reversing valve based on SLM technologies |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375091A (en) * | 2019-06-06 | 2019-10-25 | 浙江大学 | A kind of lightweight change valve and reversal valve based on SLM technology |
| CN113915186A (en) * | 2021-10-12 | 2022-01-11 | 山东大学 | Hydraulic one-way valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106704634B (en) | 2019-02-19 |
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