CN206539747U - A kind of hydrostatic forging machine replenishing valve - Google Patents
A kind of hydrostatic forging machine replenishing valve Download PDFInfo
- Publication number
- CN206539747U CN206539747U CN201720230094.0U CN201720230094U CN206539747U CN 206539747 U CN206539747 U CN 206539747U CN 201720230094 U CN201720230094 U CN 201720230094U CN 206539747 U CN206539747 U CN 206539747U
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- Prior art keywords
- valve
- valve element
- uuper
- valve chamber
- annular distance
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- 238000005242 forging Methods 0.000 title claims abstract description 18
- 230000002706 hydrostatic effect Effects 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 abstract description 6
- 238000001802 infusion Methods 0.000 abstract description 5
- 239000000446 fuel Substances 0.000 abstract description 3
- 239000013589 supplement Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 19
- 230000000694 effects Effects 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model is related to the replenishing valve that a kind of hydrostatic forging machine is loaded without spring, including valve body, valve element, bonnet.Valve inner is provided with uuper valve chamber and lower valve chamber, and annular distance of two chambers between is communicated, and valve element is embedded in uuper valve chamber and blocks annular distance.The utility model eliminates spring of traditional replenishing valve pressurization on valve element, and runner is set between the upper valve cavity wall in valve element external diameter and valve body, multiple through flow holes are set on the wall of valve element, and accumulate the radial section of runner between upper valve cavity wall and valve element external diameter, the flow area sum of multiple through flow holes, uuper valve chamber enter the flow area of oil outlet, are all higher than being equal to the flow area of annular distance between uuper valve chamber and lower valve chamber.So as to when there is vacuum in press movable part Accelerating running, valve element quick response, moment supplements fuel feeding to hydraulic system, and repairing runner is unobstructed, exist without bottleneck resistance phenomenon, the openings of sizes of valve element had both met the traffic requirement of fluid infusion, and larger sound is not sent again during closing.
Description
Technical field
The utility model is related on the replenishing valve on hydrostatic forging machine, more particularly to a kind of hydrostatic forging machine and is used for master cylinder
The replenishing valve of hydraulic oil is supplemented, belongs to hydraulic control valve design and manufacturing technology field.
Background technology
Replenishing valve on hydrostatic forging machine, is to accelerate fortune in press movable part acceptor oil pump feed and own wt effect
During row, in the case that hydraulic system has little time fuel feeding, avoid producing vacuum and setting.Topping up on conventional hydraulic forging machine
Valve is mostly using spring-loaded disc type cut-off structure.The replenishing valve of this structure can only relieving hydraulic system there is the journey of vacuum
Degree, and the appearance of hydraulic system vacuum can not be completely eliminated, moment vacuum still can be produced in main hydraulic cylinder in practice,
Press movable part still has vibration when running, and makes job insecurity.Trace it to its cause it is seen that, traditional replenishing valve in valve element and
Spring is provided between cover plate, due to the effect of spring force, and when making replenishing valve opening valve element, the pressure of hydraulic oil must pull against bullet
The elastic force of spring, and it is increasing with the compression elasticity of spring, the movement velocity of valve element is hindered, the opening speed of valve is result in
Slack-off, size, the response speed of unlatching are also slow therewith, thus cause occur moment vacuum in main hydraulic cylinder, press movable part
Divide vibration.
The content of the invention
For the technical deficiency of the traditional replenishing valve of hydrostatic forging machine as stated in the Background Art, the utility model provides a kind of liquid
The replenishing valve that pressure forging machine is loaded without spring, it is intended to improve the response speed of valve, avoid hydraulic system from vacuum occur to greatest extent.
The technical solution of the utility model is：A kind of hydrostatic forging machine replenishing valve, including valve body, valve element, bonnet, it is described
Valve pocket is provided with valve body；The valve pocket is divided into uuper valve chamber and lower valve chamber；The side wall of the uuper valve chamber enters oil outlet provided with one, its
It is connected with the main hydraulic cylinder of hydrostatic forging machine, a ring for communicating two chambers is additionally provided between uuper valve chamber and the lower valve chamber
Hole：Described valve element is cup-shaped, and it is embedded in uuper valve chamber；Described bonnet closure uuper valve chamber top, it is characterised in that：
The wall of the uuper valve chamber constitutes the cylindrical inner wall of a hollow out provided with multiple convex surfaces for being used to position, multiple convex surfaces
Face；
The external diameter of the valve element forms gap with the hollow out cylindrical inner wall face on upper valve cavity wall and coordinated, and constitutes in uuper valve chamber
Runner between wall and valve element external diameter；
The bottom surface of the valve element is fitted in the upper end of annular distance, constitutes the valve sealing surface of valve；
The wall of the valve element is provided with multiple through flow holes；
Vertical range between the valve element upper surface and bonnet lower surface is set to the critical distance of valve element axial movement.
Preferably, the critical distance that the valve element is axially moved is the 1/4~1/3 of annular distance diameter.
Preferably, it is described enter oil outlet flow area be more than or equal to annular distance flow area.
Preferably, the flow area sum of the multiple through flow hole is more than or equal to the flow area of annular distance.
Preferably, the radial section annulus area of runner is more than or equal to annular distance between the upper valve cavity wall and valve element external diameter
Flow area.
The utility model eliminates spring of traditional replenishing valve pressurization on valve element, and in valve element external diameter and upper valve cavity wall
Between tubular runner is set, multiple through flow holes are set on the wall of valve element, and make to flow between upper valve cavity wall and valve element external diameter
The radial section product in road, the flow area sum of multiple through flow holes, uuper valve chamber enter the flow area of oil outlet, are all higher than equal to upper
The flow area of annular distance between valve pocket and lower valve chamber, and make valve element be axially moved critical distance be set to annular distance diameter 1/4~
1/3, so that the response speed of valve element greatly improved, and fluid infusion runner is unobstructed, exist without bottleneck resistance phenomenon, the opening of valve element
Size had both met the traffic requirement of fluid infusion, and not only fast response time does not send larger sound again during closing.
Brief description of the drawings
Accompanying drawing 1 is main structure diagram of the present utility model；
Accompanying drawing 2 is the structural representation of A-A cross sections in accompanying drawing 1.
In attached Fig. 1 and 2：1 it is valve body, 101 convex surfaces, 2 be valve element, 3 is bonnet.D1To enter oil outlet, D2For annular distance, D3
For the critical distance that through flow hole, H are runner, h is valve element axial movement.
Embodiment
Explanation is further explained to the utility model below in conjunction with accompanying drawing：
As shown in accompanying drawing 1,2, valve pocket is provided with valve body 1, valve pocket, which is divided on uuper valve chamber and lower valve chamber, the side wall of uuper valve chamber, to be set
Have into oil outlet D1, it is connected with the main hydraulic cylinder of hydrostatic forging machine, makes two provided with one between uuper valve chamber and lower valve chamber
The annular distance D that chamber is communicated2；Valve element 2 is cup-shaped, and it is embedded in uuper valve chamber；The closure uuper valve chamber of bonnet 3 top；Uuper valve chamber
Wall is used for the convex surface 101 of positioning provided with eight, and eight convex surfaces 101 are uniformly distributed in the wall portion surrounding of uuper valve chamber, constitutes one and engraves
Empty cylindrical inner wall face；The external diameter of valve element 2 forms gap with the hollow out cylindrical inner wall face on upper valve cavity wall and coordinated, and constitutes upper valve
Runner H between cavity wall and the external diameter of valve element 2；The bottom surface of valve element 2 is fitted in annular distance D2Upper end, constitute valve valve sealing
Face；The wall of valve element 2 is provided with multiple through flow hole D3；Valve element axially fortune is set between the upper surface of valve element 2 and bonnet lower surface
Dynamic critical distance h, and h values are annular distance D2The 1/4~1/3 of diameter；Enter oil outlet D1Flow area, multiple through flow hole D3's
The radial section annulus area of runner is all greater than equal to annular distance D between flow area sum, upper valve cavity wall and valve element external diameter2
Flow area.
The utility model eliminates traditional replenishing valve pressurization spring on valve element, and in the external diameter of valve element 2 and upper valve cavity wall
Between set runner H, multiple through flow hole D are set on the wall of valve element 23, and make to flow between upper valve cavity wall and the external diameter of valve element 2
Road H radial section product, multiple through flow hole D3Flow area sum, uuper valve chamber enter oil outlet D1Flow area, be all higher than
The annular distance D between uuper valve chamber and lower valve chamber2Flow area, and make valve element 2 be axially moved critical distance be annular distance diameter D2's
1/4~1/3, so that the response speed of valve element 2 greatly improved, and fluid infusion runner is unobstructed, exist without bottleneck resistance phenomenon, valve element
2 openings of sizes had both met the traffic requirement of fluid infusion, and larger sound is not sent again during closing.
Under the utility model normal condition, the oil pressure in uuper valve chamber is more than the oil pressure in lower valve chamber, and valve element 2, which is in, closes shape
State；When press movable part acceptor oil pump feed and own wt effect and Accelerating running, when hydraulic system has little time fuel feeding, main liquid
Occur vacuum in cylinder pressure, enter oil outlet D1Negative pressure, the oil pressure in lower valve chamber communicated with intermediate-pressure accumulator is more than in uuper valve chamber
Hydraulic oil in oil pressure, lower valve chamber need to only overcome valve element gravity, you can rapid to open valve element 2, make the hydraulic pressure in intermediate-pressure accumulator
Oil → annular distance D2→ valve sealing surface → runner H → enters oil outlet D1→ main hydraulic cylinder；Once oil pressure rise makes in main hydraulic cylinder
When oil pressure in valve pocket is more than lower valve chamber hydraulic fluid pressure, oil pressure → runner H → multiple through flow holes D in main hydraulic cylinder3, make valve
Core is descending and baseplane laminating annular distance D2Upper end, reenters closing sealing state, and uuper valve chamber and lower valve chamber are not communicated with.
Claims (5)
1. it is provided with valve pocket in the replenishing valve that a kind of hydrostatic forging machine is loaded without spring, including valve body, valve element, bonnet, described valve body；
The valve pocket is divided into uuper valve chamber and lower valve chamber；The side wall of the uuper valve chamber enters oil outlet provided with one, itself and hydrostatic forging machine
Main hydraulic cylinder is connected, and makes the annular distance that two chambers are communicated provided with one between uuper valve chamber and the lower valve chamber；Described valve element is in cup
Shape structure, it is embedded in uuper valve chamber；Described bonnet closure uuper valve chamber top, it is characterised in that：
The wall of the uuper valve chamber constitutes the cylindrical inner wall face of a hollow out provided with multiple convex surfaces for being used to position, multiple convex surfaces；
The external diameter of the valve element forms gap with the hollow out cylindrical inner wall face on upper valve cavity wall and coordinated, constitute upper valve cavity wall with
Runner between valve element external diameter；
The bottom surface of the valve element is fitted in the upper end of annular distance, constitutes the valve sealing surface of valve；
The wall of the valve element is provided with multiple through flow holes；
Vertical range between the valve element upper surface and bonnet lower surface is set to the critical distance of valve element axial movement.
2. the replenishing valve that a kind of hydrostatic forging machine according to claim 1 is loaded without spring, it is characterised in that：It is described enter it is fuel-displaced
The flow area in hole is more than or equal to the flow area of annular distance.
3. the replenishing valve that a kind of hydrostatic forging machine according to claim 1 is loaded without spring, it is characterised in that：It is the multiple logical
The flow area sum of discharge orifice is more than or equal to annular distance D2Flow area.
4. the replenishing valve that a kind of hydrostatic forging machine according to claim 1 is loaded without spring, it is characterised in that：The uuper valve chamber
The radial section annulus area of runner is more than or equal to annular distance D between inwall and valve element external diameter2Flow area.
5. the replenishing valve that a kind of hydrostatic forging machine according to claim 1 is loaded without spring, it is characterised in that：The poppet shaft
It is the 1/4~1/3 of annular distance diameter to the critical distance of motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720230094.0U CN206539747U (en) | 2017-03-10 | 2017-03-10 | A kind of hydrostatic forging machine replenishing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720230094.0U CN206539747U (en) | 2017-03-10 | 2017-03-10 | A kind of hydrostatic forging machine replenishing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206539747U true CN206539747U (en) | 2017-10-03 |
Family
ID=59942348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720230094.0U Active CN206539747U (en) | 2017-03-10 | 2017-03-10 | A kind of hydrostatic forging machine replenishing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206539747U (en) |
-
2017
- 2017-03-10 CN CN201720230094.0U patent/CN206539747U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ZHONGKEJUXIN CLEAN ENERGY & HOT FORGING EQUIPMENT RESEARCH AND DEVELOPMENT Co.,Ltd. Assignor: ZHONGJUXIN OCEAN ENGINEERING EQUIPMENT Co.,Ltd. Contract record no.: X2023980045713 Denomination of utility model: A hydraulic forging machine filling valve Granted publication date: 20171003 License type: Common License Record date: 20231107 |
|
| EE01 | Entry into force of recordation of patent licensing contract |