CN207080451U - A kind of screw-rolling machine automatic hydraulic vent valve - Google Patents
A kind of screw-rolling machine automatic hydraulic vent valve Download PDFInfo
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- CN207080451U CN207080451U CN201721059183.XU CN201721059183U CN207080451U CN 207080451 U CN207080451 U CN 207080451U CN 201721059183 U CN201721059183 U CN 201721059183U CN 207080451 U CN207080451 U CN 207080451U
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- solenoid ball
- ball valve
- screw
- valve
- buoy
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Abstract
A kind of screw-rolling machine automatic hydraulic vent valve disclosed in the utility model, including valve body, exhaust passage are provided with the middle part of valve body, exhaust passage lower end is provided with buoy；The screw-rolling machine automatic hydraulic vent valve also includes aspiration pump, Solenoid ball valve and control module；The aspiration pump is arranged in the cavity on valve body top, and it is connected with the upper end of exhaust passage；The Solenoid ball valve is arranged on exhaust passage；Control module is connected with aspiration pump and Solenoid ball valve, controls its open and close；The profile of the buoy is taper, and it is made for antimony alloy.A kind of screw-rolling machine automatic hydraulic vent valve provided by the utility model, its is rational in infrastructure, the crack road formed between the buoy made using antimony alloy and exhaust passage, and remnants gas is discharged using aspiration pump, eliminate hydraulic oil be pressurized caused by air pocket vibration, the effective guarantee machining accuracy of screw-rolling machine.
Description
Technical field
A kind of vent valve is the utility model is related to, more particularly to a kind of screw-rolling machine automatic hydraulic vent valve.
Background technology
Existing screw-rolling machine hydraulic feed vent valve is manual operation.Operating personnel occur shake air pocket according to machinery and showed
As, or manually deflated according to operating practice experience of the machine work time with accumulation, this method lacks standardization, makes
Deflation course is often with oil cylinder valve without gas standard.After hydraulic oil vent valve is closed, after the hydraulic oil in hydraulic cylinder is pressurized, it is deposited in
The positive charge in minimum gas molecule in oil rubs, and collisional breakage causes the regular vibration of body, influences screw-rolling machine
Machining accuracy, influence the crudy of screw-rolling machine.
Utility model content
The purpose of this utility model is to be directed to above-mentioned technical problem, there is provided a kind of screw-rolling machine automatic hydraulic vent valve,
The crack road formed between the buoy made using antimony alloy and exhaust passage, and discharged remnants gas using aspiration pump, disappear
Except hydraulic oil be pressurized caused by air pocket vibration, the effective guarantee machining accuracy of screw-rolling machine.
The technical solution of the utility model
In order to solve the above technical problems, a kind of screw-rolling machine automatic hydraulic vent valve provided by the utility model, including valve
Body, exhaust passage is provided with the middle part of valve body, exhaust passage lower end is provided with buoy；The screw-rolling machine automatic hydraulic vent valve
Also include aspiration pump, Solenoid ball valve and control module；The aspiration pump is arranged in the cavity on valve body top, itself and exhaust passage
Upper end connection；The Solenoid ball valve is arranged on exhaust passage；Control module is connected with aspiration pump and Solenoid ball valve, controls it
Open and close；The profile of the buoy is taper, and it is made for antimony alloy.
Hydraulic oil is squeezed, hydraulic fluid temperature raises, buoy deformation, and the crack road formed between buoy and exhaust passage is residual
Residual air body is excluded by crack road, eliminate hydraulic oil be pressurized caused by air pocket vibration, the effective guarantee machining accuracy of screw-rolling machine.
Further, the buoy is fixed on by hinge spring in the tapered wall of exhaust passage lower end.Using this suspension
The structure of buoy, hydraulic pressure oil level rise drift power and block gas discharge vent under hydraulic oil buoyancy, and hydraulic oil will not emerge hydraulic pressure deflation
Valve.
Further, it is additionally provided with Solenoid ball valve touch switch in the tapered wall of the exhaust passage lower end and aspiration pump touches
Dynamic switch, the Solenoid ball valve touch switch sense line by the Solenoid ball valve in valve body and are connected with Solenoid ball valve, the pumping
Pump touch switch touches sensing line by the aspiration pump in valve body and is connected with aspiration pump.
Further, the buoy is conical shell, forms buoy vacuum chamber；Under the buoy vertex of a cone and exhaust passage thereon
End is fitted close, and buoy vacuum chamber is relative with hydraulic jack.Hydraulic oil is raised by high pressure temperature and produces crack road, makes balance in liquid
Contain hydrogen molecule bubble discharge hydraulic cylinder in force feed.
Further, the upper end of the valve body is provided with exhaust outlet and attaching plug, the exhaust outlet with aspiration pump
Gas exhaust piping connects.The exhaust outlet of setting is used to discharge the gas that aspiration pump pumps out, and attaching plug is screw-rolling machine automatic hydraulic
Vent valve provides the power supply needed for control action.
Further, the Solenoid ball valve includes Solenoid ball valve valve body, and ratchet, rotating shaft are fixed with Solenoid ball valve valve body；
Magnet coil magnetizes iron core, iron core adhesive armature；The electromagnetism push rod that armature end is fixed by movable joint moves along a straight line, and promotes ratchet
Rotated along rotating shaft, drive the rotation of Solenoid ball valve valve body.Solenoid ball valve will ensure the exhaust passage not pressure release of negative pressure, be taken out in air exhauster
In empty exhaust passage after gas, buoy is floated by exhaust passage negative-pressure siphon, touches gas Solenoid ball valve touch switch, electromagnetic ball
Valve, which is transferred to, blocks exhaust passage position.
Further, the Solenoid ball valve also includes electromagnetism push rod contact and back-moving spring, and electromagnetism push rod contact is arranged on
On electromagnetism push rod, back-moving spring is arranged between iron core and armature.
The utility model beneficial effect：
Compared with prior art, a kind of screw-rolling machine automatic hydraulic vent valve provided by the utility model, its is rational in infrastructure,
The crack road formed between the buoy made using antimony alloy and exhaust passage, and discharged remnants gas using aspiration pump, disappear
Except hydraulic oil be pressurized caused by air pocket vibration, the effective guarantee machining accuracy of screw-rolling machine.
Brief description of the drawings
By the detailed description made in conjunction with the following drawings, above-mentioned advantage of the present utility model will be apparent and more hold
Readily understood, these accompanying drawings are simply schematical, are not intended to limit the utility model, wherein：
Fig. 1 is the structural representation of screw-rolling machine automatic hydraulic vent valve described in the utility model；
Fig. 2 is the structural representation of the valve body of the utility model；
Fig. 3 is the schematic diagram that the valve body of the utility model and buoy are connected；
Fig. 4 is the structural representation of the buoy of the utility model；
Fig. 5 is the fundamental diagram of the Solenoid ball valve of the utility model；
Fig. 6 is the schematic diagram of the Solenoid ball valve closure state of the utility model；
Fig. 7 is the schematic diagram of the Solenoid ball valve opening of the utility model.
In accompanying drawing, the part representated by each label is as follows：
1. aspiration pump；2. exhaust outlet；3. attaching plug；4. Solenoid ball valve；5. exhaust passage；6. Solenoid ball valve senses line；
7. Solenoid ball valve touch switch；8. buoy；9. hinge spring；10. aspiration pump touch switch；11. aspiration pump touches sensing line；
12. control module；13. the buoy vertex of a cone；14. buoy vacuum chamber；15. ratchet；16. rotating shaft；17. valve plug cavity；18. Solenoid ball valve
Valve body；19. Solenoid ball valve air inlet；20. Solenoid ball valve venthole；21. electromagnetism push rod；22. electromagnetism push rod contact；23. electromagnetism
Coil；24. back-moving spring；25. iron core；26. armature；27. movable joint；28. valve body.
Embodiment
With reference to specific embodiments and the drawings pair, a kind of screw-rolling machine automatic hydraulic vent valve of the present utility model is carried out
Describe in detail.
The embodiment recorded herein is specific embodiment of the present utility model, of the present utility model for illustrating
Design, is explanatory and exemplary, should not be construed as the limit to the utility model embodiment and the scope of the utility model
System.In addition to the embodiment recorded herein, those skilled in the art can also be based on the application claims and specification institute is public
The content opened includes doing using the embodiment to recording herein using obvious other technical schemes, these technical schemes
Go out the technical scheme of any obvious substitutions and modifications.
The accompanying drawing of this specification is schematic diagram, aids in illustrating design of the present utility model, it is schematically indicated each several part
Shape and its correlation.It note that for the ease of clearly showing the structure of each part of the utility model embodiment, phase
Same reference marker is used to represent identical part.
Fig. 1 to Fig. 7 is the accompanying drawings of herein described screw-rolling machine automatic hydraulic vent valve.
A kind of structural representation of screw-rolling machine automatic hydraulic vent valve, as shown in Figure 1.It includes valve body 28, valve body 28
Middle part be provided with exhaust passage 5, the lower end of exhaust passage 5 is provided with buoy 8.
The screw-rolling machine automatic hydraulic vent valve also includes aspiration pump 1, Solenoid ball valve 4 and control module 12；It is described to take out
Air pump 1 is arranged in the cavity on the top of valve body 28, and it is connected with the upper end of exhaust passage 5；The Solenoid ball valve 4 is arranged on exhaust
On passage 5；Control module 12 is connected with aspiration pump 1 and Solenoid ball valve 4, controls its open and close；The profile of the buoy 8 is
Taper, it is made for antimony alloy.Hydraulic oil is squeezed, hydraulic fluid temperature raises, and buoy 8 deforms, buoy 8 and exhaust passage
The crack road formed between 5, residual gas are excluded by crack road, eliminate air pocket vibration, effective guarantee caused by hydraulic oil compression
The machining accuracy of screw-rolling machine.
The buoy 8 is fixed on by hinge spring 9 in the tapered wall of the lower end of exhaust passage 5, as shown in Figure 2.Using this
The structure of buoy is hung, hydraulic pressure oil level rises drift power and blocks gas discharge vent under hydraulic oil buoyancy, and hydraulic oil will not emerge hydraulic pressure
Vent valve.
Solenoid ball valve touch switch 7 and aspiration pump touch switch are additionally provided with the tapered wall of the lower end of exhaust passage 5
10, as shown in Figure 3.The Solenoid ball valve touch switch 7 senses line 6 by the Solenoid ball valve in valve body 28 and connected with Solenoid ball valve 4
Connect, the aspiration pump touch switch 10 touches sensing line 11 by the aspiration pump in valve body 28 and is connected with aspiration pump 1.
The buoy 8 is conical shell, forms buoy vacuum chamber 14, as shown in Figure 4；The buoy vertex of a cone 13 on buoy 8 with
The lower end of exhaust passage 5 is fitted close, and buoy vacuum chamber 14 is relative with hydraulic jack.Hydraulic oil is raised by high pressure temperature and produces crack
Road, make balance in hydraulic oil containing hydrogen molecule bubble discharge hydraulic cylinder.
The upper end of the valve body 28 is provided with exhaust outlet 2 and attaching plug 3, the exhaust outlet 2 and the exhaust on aspiration pump 1
Pipeline connects.The exhaust outlet 2 of setting is used to discharge the gas that aspiration pump 1 pumps out, and attaching plug 3 is that screw-rolling machine automatic hydraulic is put
Air valve provides the power supply needed for control action.
The Solenoid ball valve 4 includes Solenoid ball valve valve body 18, and ratchet 15, rotating shaft 16 are fixed with Solenoid ball valve valve body 18,
As shown in Figure 5；Magnet coil 23 magnetizes iron core 25, the adhesive armature 26 of iron core 25；The electricity that the end of armature 26 is fixed by movable joint 27
Magnetic push rod 21 moves along a straight line, and promotes ratchet 15 to be rotated along rotating shaft 16, drives Solenoid ball valve valve body 18 to rotate.Fig. 6 is that this practicality is new
The schematic diagram of the Solenoid ball valve closure state of type, valve plug cavity 17 is vertical with valve channel, by Solenoid ball valve air inlet 19 and electricity
Magnetic ball valve gas outlet 20 isolates, and realizes the closure of Solenoid ball valve 4.
The Solenoid ball valve 4 also includes electromagnetism push rod contact 22 and back-moving spring 24, and electromagnetism push rod contact 22 is arranged on electricity
On magnetic push rod 21, back-moving spring 24 is arranged between iron core 25 and armature 26.Fig. 7 is the Solenoid ball valve opening state of the utility model
The schematic diagram of state, valve plug cavity 17 is parallel with valve channel, and Solenoid ball valve air inlet 19 is connected with Solenoid ball valve gas outlet 20,
Realize the unlatching of Solenoid ball valve 4.
In the application, described control module 12 is single-chip microcomputer, and it can select MCS-51 series monolithics, realize rolled thread
The control action of machine automatic hydraulic vent valve.
It is briefly described as follows the screw-rolling machine automatic hydraulic vent valve course of work described herein：
When hydraulic cylinder is fed, hydraulic oil bubble is discharged the buoy 8 made by antimony alloy, when hydraulic pressure pasta rises, is floated
The drift vertex of a cone 13 blocks exhaust passage 5.
After the buoy 8 made by antimony alloy blocks exhaust passage 5, high temperature conduction caused by hydraulic cylinder feeding makes antimony alloy
The buoy vertex of a cone 13 reduces, and buoy 8 and exhaust passage lower end form crack, the trace gas that the crack of appearance will be remained in hydraulic oil
Body is drained into exhaust passage 5, hydraulic oil is reached no gas ideal operation state.
When the hydraulic oil in hydraulic cylinder be squeezed reach air separation pressure and caused gas, pass through the row of exhaust passage 5
After going out, residual is without body is calmed the anger under the effect of hinge spring 9, and hydraulic oil gas is discharged, and pasta rises, and the buoy vertex of a cone 13 touches first
Dynamic aspiration pump touch switch 10, aspiration pump 1 starts to be evacuated, and the exhaust passage 5 of negative pressure makes buoy 8 block exhaust passage 5, pumping
Pump 1 closes power supply in the case where reaching setting negative pressure；The Solenoid ball valve touch switch 7 that the buoy vertex of a cone 13 touches, Solenoid ball valve, which touches, to be opened
7 conducting Solenoid ball valve power supplys are closed, magnet coil 23 makes iron core 25 produce magnetic field occlusion armature 26, and armature 26 promotes movable joint 27 to revolve
Turn, electromagnetism push rod 21 is moved along a straight line, promote ratchet 15 to rotate, by Solenoid ball valve air inlet 19 and Solenoid ball valve gas outlet 20
Closure, reaches exhaust passage 5 and is in vacuum state, gas reservoir is provided for minimum gas existing for hydraulic oil in hydraulic cylinder.
The gas that hydraulic oil in feeding remains, under extrusion into the region of buoy 8, temperature rise is produced by high-pressure extrusion
Hydraulic oil the temperature of buoy 8 is improved, there is crack again with exhaust passage 5 in buoy 8, makes to remain in the gas in hydraulic oil
Release, eliminate influence of the air pocket vibration to hydraulic system.
The cylinder hydraulic oil for completing feeding retracts fuel tank, and the reset of oil level makes buoy 8 extensive by gravitation and springback power
Original hanging position is arrived again, and aspiration pump touch switch 10, Solenoid ball valve touch switch 7, which reset, cuts off the electricity supply, the electromagnetism of dead electricity
Coil 23 makes iron core 25 lose magnetism, and electromagnetism push rod 21 rotates, and back-moving spring 24 resets armature 26, and back-moving spring 24, which drives, lives
Section 27, electromagnetism push rod 21 is retracted into original position, wait promotes next time.
Compared with prior art, a kind of screw-rolling machine automatic hydraulic vent valve provided by the utility model, its is rational in infrastructure,
The crack road formed between the buoy made using antimony alloy and exhaust passage, and discharged remnants gas using aspiration pump, disappear
Except hydraulic oil be pressurized caused by air pocket vibration, the effective guarantee machining accuracy of screw-rolling machine.
Automatic hydraulic vent valve described herein can also be applied in the hydraulic system of cold stranding machine, eliminate hydraulic oil
Air pocket caused by compression vibrates, and ensures the machining accuracy of cold stranding machine.
The utility model is not limited to above-mentioned embodiment, and anyone can draw other under enlightenment of the present utility model
Various forms of products, however, make any change in its shape or structure, it is every with identical or similar to the present application
Technical scheme, all fall within the scope of protection of the utility model.
Claims (7)
1. a kind of screw-rolling machine automatic hydraulic vent valve, including valve body（28）, valve body（28）Middle part be provided with exhaust passage
（5）, exhaust passage（5）Lower end is provided with buoy（8）；Characterized in that, the screw-rolling machine automatic hydraulic vent valve also includes
Aspiration pump（1）, Solenoid ball valve（4）And control module（12）；The aspiration pump（1）It is arranged on valve body（28）In the cavity on top,
Itself and exhaust passage（5）Upper end connection；The Solenoid ball valve（4）It is arranged on exhaust passage（5）On；Control module（12）With taking out
Air pump（1）And Solenoid ball valve（4）Connection, controls its open and close；The buoy（8）Profile be taper, it is antimony alloy
It is made.
2. screw-rolling machine automatic hydraulic vent valve according to claim 1, it is characterised in that the buoy（8）By hinge bullet
Spring（9）It is fixed on exhaust passage（5）In the tapered wall of lower end.
3. screw-rolling machine automatic hydraulic vent valve according to claim 2, it is characterised in that the exhaust passage（5）Lower end
Tapered wall on be additionally provided with Solenoid ball valve touch switch（7）And aspiration pump touch switch（10）, the Solenoid ball valve, which touches, to be opened
Close（7）Pass through valve body（28）Interior Solenoid ball valve sensing line（6）With Solenoid ball valve（4）Connection, the aspiration pump touch switch
（10）Pass through valve body（28）Interior aspiration pump touches sensing line（11）With aspiration pump（1）Connection.
4. screw-rolling machine automatic hydraulic vent valve according to claim 1, it is characterised in that the buoy（8）For conical shell
Body, form buoy vacuum chamber（14）；The buoy vertex of a cone thereon（13）With exhaust passage（5）Lower end is fitted close, buoy vacuum chamber
（14）It is relative with hydraulic jack.
5. screw-rolling machine automatic hydraulic vent valve according to claim 1, it is characterised in that the valve body（28）Upper end set
It is equipped with exhaust outlet（2）And attaching plug（3）, the exhaust outlet（2）With aspiration pump（1）On gas exhaust piping connection.
6. screw-rolling machine automatic hydraulic vent valve according to claim 1, it is characterised in that the Solenoid ball valve（4）Including
Solenoid ball valve valve body（18）, Solenoid ball valve valve body（18）On be fixed with ratchet（15）, rotating shaft（16）；Magnet coil（23）Magnetize iron
Core（25）, iron core（25）Adhesive armature（26）；Armature（26）End passes through movable joint（27）Fixed electromagnetism push rod（21）Straight line is transported
It is dynamic, promote ratchet（15）Along rotating shaft（16）Rotation, drive Solenoid ball valve valve body（18）Rotation.
7. screw-rolling machine automatic hydraulic vent valve according to claim 6, it is characterised in that the Solenoid ball valve（4）Also wrap
Include electromagnetism push rod contact（22）And back-moving spring（24）, electromagnetism push rod contact（22）It is arranged on electromagnetism push rod（21）On, reset bullet
Spring（24）It is arranged on iron core（25）With armature（26）Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721059183.XU CN207080451U (en) | 2017-08-23 | 2017-08-23 | A kind of screw-rolling machine automatic hydraulic vent valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721059183.XU CN207080451U (en) | 2017-08-23 | 2017-08-23 | A kind of screw-rolling machine automatic hydraulic vent valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207080451U true CN207080451U (en) | 2018-03-09 |
Family
ID=61420671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721059183.XU Expired - Fee Related CN207080451U (en) | 2017-08-23 | 2017-08-23 | A kind of screw-rolling machine automatic hydraulic vent valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207080451U (en) |
-
2017
- 2017-08-23 CN CN201721059183.XU patent/CN207080451U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180309 Termination date: 20200823 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |