CN207805563U - A kind of hydraulic system accurately controlling cubic hinge press single cylinder displacement - Google Patents
A kind of hydraulic system accurately controlling cubic hinge press single cylinder displacement Download PDFInfo
- Publication number
- CN207805563U CN207805563U CN201820038755.4U CN201820038755U CN207805563U CN 207805563 U CN207805563 U CN 207805563U CN 201820038755 U CN201820038755 U CN 201820038755U CN 207805563 U CN207805563 U CN 207805563U
- Authority
- CN
- China
- Prior art keywords
- super
- pressure
- cubic hinge
- hinge press
- valve
- 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.)
- Active
Links
Landscapes
- Control Of Presses (AREA)
Abstract
The utility model discloses a kind of hydraulic systems accurately controlling cubic hinge press single cylinder displacement, including electric-control system and hydraulic pump source connected to it, absolute-value displacement sensor, super-pressure pump module and pressure sensor；Each working cylinder of cubic hinge press is correspondingly arranged an absolute-value displacement sensor, a super-pressure pump module, a super-pressure isolating valve, and a pressure sensor；Cubic hinge press working cylinder forms hydraulic circuit with hydraulic pump source, super-pressure pump module, super-pressure isolating valve,；The ontology of absolute-value displacement sensor is fixed on the holder outside cubic hinge press, and the measurement contact of absolute-value displacement sensor is fixed on the working cylinder of cubic hinge press.The utility model can accurately control the displacement of each working cylinder under super-pressure synthesis pressure operating mode, provide stable, uniform growing environment for synthetic material, reduce the rejection rate of the accident rate of press, the proportion of goods damageds of hard alloy and synthetic material.
Description
Technical field
The utility model is related to hydraulic system of cubic press more particularly to one kind can accurately controlling cubic hinge press single cylinder
The hydraulic system of displacement.
Background technology
Cubic hinge press is used for the production of superhard material, superelevation synthesis pressure (final synthesis pressure>Realization 65MPa) is logical
It is realized frequently with booster or super-pressure pump, usual two seven port valves are gradually carried after all six working cylinders connections
High synthesis pressure, six working cylinders together pressurize to Synthetic block, to reach final required synthesis pressure.In the process, by
Different in the installation site of six working cylinders, initial position, the resistance of motion, the speed and stroke for causing six working cylinders to move are not
Unanimously, speed faster or slower, stroke have and have less more, and can not be adjusted according to its difference, because six working cylinders are to connect
Logical.
This system there are the shortcomings that will lead to following problem:1. Synthetic block is different in the decrement of six direction, material is synthesized
Expect that stress and deformation are uneven, the growing environment inside Synthetic block will be caused unbalanced, final sintetics institutional framework is uneven
Even, unstable quality；2. after some working cylinder overtravel, Synthetic block is made after leading to percussion hammer or blowing out accident or alarm shutdown
It is useless.
For current hydraulic system there are the problem of, need it is a kind of can not only be connected to superpressure in the synthesis process, but also can be with
Adjust the hydraulic system of single working cylinder stroke.
Utility model content
To solve the above-mentioned problems, the purpose of this utility model is to provide a kind of hydraulic system, in super-pressure synthesis pressure
Under operating mode, the displacement of each working cylinder can be accurately controlled, stable, uniform growing environment is provided for synthetic material, reduces pressure
The rejection rate of the accident rate of machine, the proportion of goods damageds of hard alloy and synthetic material.
The utility model is achieved through the following technical solutions：It is a kind of to accurately control cubic hinge press single cylinder displacement
Hydraulic system, including electric-control system and hydraulic pump source connected to it, absolute-value displacement sensor, super-pressure pump module and pressure
Force snesor；Super-pressure pump module includes sequentially connected super-pressure check valve, the super-pressure pump of translator and partition manually
Valve；Each working cylinder of cubic hinge press be correspondingly arranged an absolute-value displacement sensor, a super-pressure pump module, one it is super
High-voltage cutoff valve and a pressure sensor；Cubic hinge press working cylinder separates with hydraulic pump source, super-pressure pump module, super-pressure
Valve forms hydraulic circuit；The ontology of absolute-value displacement sensor is fixed on the holder outside cubic hinge press, absolute value displacement
The measurement contact of sensor is fixed on the working cylinder of cubic hinge press.
In above-mentioned technical proposal, hydraulic pump source provides control oil for entire hydraulic system, before the idle running of cubic hinge press
Power oil is provided into, backhaul and super-pressure pump, cubic hinge press working cylinder and superelevation die block are connect with hydraulic pump source；Six faces
An absolute-value displacement sensor and a super-pressure pump module are correspondingly arranged on each working cylinder of high pressure apparatus；When will be to six
When the single cylinder displacement of face high pressure apparatus is controlled, the circuit that will be acted by super-pressure isolating valve, and other 5 circuits are needed
Keep apart, avoids having an impact other circuits, then start super-pressure pump；Super-pressure pump by electric control system controls start and stop, by
Hydraulic pump source provides hydraulic oil, and to control the advance or stopping of working cylinder, super-pressure pump can realize that cubic hinge press synthesizes
Required superelevation synthesis pressure, and the fluctuation of pressure is small, low cost；The setting of super-pressure check valve and manual isolating valve, is conducive to
The maintenance of super-pressure pump and the service life for extending super-pressure pump；Hydraulic system provided by the utility model can by pressure sensor
To monitor the pressure in each working cylinder in real time；The both ends of absolute-value displacement sensor are not also secured on press, but
One end is fixed on the working cylinder of press, and one end is fixed on the holder independently of press, when the top hammer of working cylinder is subjected to displacement
When variation, absolute-value displacement sensor can measure in time, and the variation of absolute-value displacement sensor signal represents top
The actual displacement of hammer changes, and eliminates influence of the deformation to displacement measurement of press under high pressure operating mode, absolute-value displacement sensor
By measurement feedback to electric-control system, the physical location of each top hammer is calculated by electric-control system, according to actual needs, then to super
High-pressure pump is adjusted, so as to accurately control the single cylinder displacement of cubic hinge press.When the six cylinders connection of cubic hinge press is super
When pressure, the solenoid valve of super-pressure isolating valve, is opened by electric-control system, under the action of controlling oil, super-pressure isolating valve, is opened,
Six cylinder working chambers are connected to, and then start 6 super-pressure pumps, and 6 super-pressure pumps work at the same time, and carry out connection superpressure；And multi-cylinder (example
Such as 2-5 cylinders) connection superpressure when, principle is same as above, and opening needs to be connected to the corresponding super-pressure isolating valve, of superpressure working cylinder and start super
High-pressure pump can be realized.
It is balanced that the utility model by pressure sensor can control each cylinder pressure, and super-pressure isolating valve, super-pressure pump
The Bit andits control of each cylinder may be implemented in the configuration of module again, to make Synthetic block homogeneous deformation；Relative to common two seven logical
It is logical, although two seven lead at low cost, Synthetic block uniform force, it is unable to control the displacement of each cylinder, six cylinders while superpressure,
The resistance of which cylinder is small, and the displacement of which cylinder is just big, causes Synthetic block deformation uneven；And the utility model is then effectively prevented from
This disadvantage.
Further, hydraulic pump source includes high-pressure pump, control pump, check valve, electromagnetic relief valve, return filter, air
Filter, heater, cooler, liquid level liquid thermometer, exhaust-valve and fuel tank.
Further, the hydraulic system further includes the high voltage control valve group being connect with electric-control system, high voltage control valve group
Between hydraulic pump source and cubic hinge press working cylinder, high voltage control valve group includes corresponding with cubic hinge press working cylinder
6 groups of high pressure control valves, every group includes super-pressure hydraulic control check valve, electro-hydraulic reversing valve and throttle valve.
In the above-mentioned technical solutions, high voltage control valve group can control press idle running advance, single cylinder it is forward/backward, fast
The actions such as fast backhaul, and ultrahigh-pressure hydraulic oil when press synthesis can be separated, it prevents from having an impact hydraulic pump source.
Further, the hydraulic system further includes the ante-chamber valve being connect with cubic hinge press working cylinder and electric-control system
Group, ante-chamber valve group include a sequence valve and 6 groups of one-way throttle valves to connect one to one with cubic hinge press working cylinder, unidirectionally
Throttle valve is connect by sequence valve with hydraulic pump source.
In the above-mentioned technical solutions, when controlling the advance of press idle running and quick return speed, by the way that ante-chamber valve group is arranged,
Each cylinder can be balanced since gravity generates the inconsistent phenomenon of speed.
Further, the hydraulic system further includes stepper motor relief valve and accidental depressurization valve, and the two is installed in parallel
Between hydraulic pump source and super-pressure isolating valve, stepper motor relief valve is connect with electric-control system.Stepper motor relief valve and accident
Relief valve can realize cubic hinge press normally and accident condition pressure release, raising safety.
Further, the ontology of absolute-value displacement sensor is connect with contact is measured by attachment device, and attachment device is
Bracing wire rope, one end are telescopically connected in absolute-value displacement sensor ontology, and the other end is connect with contact is measured, and are measured and are touched
Head is fixed on by measuring contact fixing device on the working cylinder of cubic hinge press.Left and right cylinder for cubic hinge press and
Forward and backward cylinder, bracing wire rope are preferably in horizontality, and for the upper and lower cylinder of cubic hinge press, bracing wire rope is preferably in vertical shape
State, to improve measurement accuracy.
Further, absolute-value displacement sensor is absolute value Linear displacement transducer, can prevent electric-control system from occurring
The mistake for influencing acquisition and the appearance of displacement signal the case where power-off suddenly, to improve measurement accuracy.
Further, holder is 3, and two opposite cubic hinge press working cylinders share a holder.
Further, the motor of super-pressure pump is configured with frequency converter.When single cylinder superpressure or adjustment, need through automatically controlled system
System adjusts the working frequency of the motor of the corresponding super-pressure pump of the working cylinder to adjust.
Further, electric-control system includes controller, display, warning device and scram button, thus facilitates observation
And control, and the physical location of top hammer is given and is shown, and alarm and halt condition can be set by electric-control system, system occurs
When failure or mistake, automatic alarm when there is emergency episode, can press scram button.
The beneficial effects of the utility model include：
(1) in the synthesis process, the stroke of any operative cylinder is adjustable for cubic hinge press, while can adjust one or more
Or the stroke of all working cylinder, and do not influence each other；
(2) super-pressure pump module is used, super-pressure check valve and manually partition are increased on the basis of super-pressure pump
When super-pressure pump needs replacing or when repairing, directly progress can be unloaded by closing manual isolating valve, by valve for super-pressure pump
It replaces, convenient for safeguarding；In super-pressure air pump inoperative, it is kept apart under super-pressure operating mode by super-pressure check valve, with
It is too fast that the interior leakage for extending the service life of sealing element, and preventing super-pressure pump intrinsic causes synthesis pressure to decline；According to the need of client
It wants, frequency converter can be configured on the motor of super-pressure pump, super-pressure pump pressure oscillation is small, and after increasing frequency control, adjusts
Perfect square just, may be implemented to automatically control the smooth pursuits with pressure；
(3) control accuracy of absolute-value displacement sensor has two kinds of 0.1mm and 0.05mm optional, meets conventional needs,
And control accuracy is high, user can make the selection of most cost performance according to process condition；
(4) one end of absolute-value displacement sensor is fixed on the holder outside cubic hinge press, and one end is fixed on work
On cylinder, it is inherently eliminated influence of the press deformation to displacement measurement system, to improve the measurement of displacement measurement system
Precision；
(5) the utility model makes Synthetic block deformation, uniform force, and the quality to improve sintetics provides advantageous item
Part；
(6) accident that the utility model can effectively prevent percussion hammer, blow out reduces the proportion of goods damageds and synthetic material of hard alloy
Rejection rate；
(7) the utility model integrated level is high, and in-site installation is simple.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the structure diagram of super-pressure pump module；
Fig. 3 is the structural schematic diagram that absolute-value displacement sensor is mounted on cubic hinge press.
In figure, 1, hydraulic pump source；2, high voltage control valve group；3, cubic hinge press working cylinder；31, working cylinder piston；32, it pushes up
Hammer；4, absolute-value displacement sensor；41, ontology；42, attachment device；43, contact is measured；5, ante-chamber valve group；6, super-pressure pump mould
Block；61, super-pressure check valve；62, super-pressure pump；63, manual isolating valve,；7, super-pressure isolating valve,；8, pressure sensor；9, it walks
Stepper motor relief valve；10, accidental depressurization valve；11, electric-control system；12, holder；13, contact fixing device is measured.
Specific implementation mode
The utility model is described further below in conjunction with the accompanying drawings.
There are six working cylinders altogether for cubic hinge press：Upper cylinder half, lower cylinder, left cylinder, right cylinder, preceding cylinder and rear cylinder；Each working cylinder packet
Include a working cylinder piston and a top hammer being connect with working cylinder piston.
A kind of hydraulic system accurately controlling cubic hinge press single cylinder displacement as shown in Figure 1, including electric-control system 11 with
And hydraulic pump source 1, absolute-value displacement sensor 4, super-pressure pump module 6, super-pressure isolating valve, 7 and the pressure being separately connected with it
Sensor 8；As shown in Fig. 2, super-pressure pump module 6 includes the super-pressure pump of sequentially connected super-pressure check valve 61, translator
62 and manual isolating valve, 63；It is super that each cubic hinge press working cylinder 3 is correspondingly arranged an absolute-value displacement sensor 4, one
6, super-pressure isolating valve,s 7 of high-pressure pump module and a pressure sensor 8, it is single or more in building-up process to realize
The control of a working cylinder stroke；Cubic hinge press working cylinder 3 and hydraulic pump source 1, super-pressure pump module 6,7 shape of super-pressure isolating valve,
At hydraulic circuit, hydraulic pump source 1 is provides control oil for entire hydraulic system, and hydraulic pump source 1 is via manual isolating valve, 63, superelevation
Press pump 62, super-pressure check valve 61 are connected to cubic hinge press working cylinder 3；The ontology 41 of absolute-value displacement sensor 4 is fixed on
On holder 12 (or column) outside cubic hinge press, holder 12 is independently of cubic hinge press, the survey of absolute-value displacement sensor 4
Amount contact 43 is fixed on cubic hinge press working cylinder 3, as shown in Figure 3.
In order to realize the superelevation synthesis pressure needed for press synthesis, the utility model is provided with 6 super-pressure pumps, when six cylinders
When connection or superpressure, different rates of pressurization, such as 1 super-pressure can be realized by controlling the working quantity of super-pressure pump
Pump work or 2 or the work of multiple super-pressure pumps；Preferably, the motor of super-pressure pump is each equipped with frequency converter, when single cylinder superpressure
Or when need to adjust, the working frequency for the motor for adjusting the working cylinder corresponding super-pressure pump by electric-control system 11 is needed to adjust
Whole, whether the setting of frequency converter needs to be configured according to client.
Preferably, hydraulic pump source 1 includes high-pressure pump, control pump, check valve, electromagnetic relief valve, return filter, air mistake
Filter, heater, cooler, liquid level liquid thermometer, exhaust-valve and fuel tank.
Preferably, hydraulic system further includes the high voltage control valve group 2 being connect with electric-control system 11, and high voltage control valve group 2 is pacified
Between hydraulic pump source 1 and cubic hinge press working cylinder 3, high voltage control valve group 2 includes corresponding with cubic hinge press working cylinder 3
6 groups of high pressure control valves and a total electric hydraulic control valve, 6 groups of high pressure control valves pass through total electric hydraulic control valve and hydraulic pump source 1 and connect
It connects, every group of high pressure control valve includes super-pressure hydraulic control check valve, electro-hydraulic reversing valve and throttle valve.High voltage control valve group 2 can be with
The actions such as idle running advance, the forward/backward, quick return of single cylinder of press are controlled, and superelevation when press synthesis can be separated
Hydraulic fluid pressure oil prevents from having an impact hydraulic pump source.
Preferably, advance and quick return speed to control press idle running, balance the speed that each cylinder is generated due to gravity
Inconsistent phenomenon, setting ante-chamber valve group 5, ante-chamber valve group 5 is connect with cubic hinge press working cylinder 3 and hydraulic pump source 1, ante-chamber valve
Group 5 includes a sequence valve and 6 groups of one-way throttle valves to connect one to one with cubic hinge press working cylinder 3, one-way throttle valve
It is connect with hydraulic pump source 1 by sequence valve.Ante-chamber valve group 5 is also connect with total electric hydraulic control valve in high voltage control valve group 2, work
After cylinder pressure release, when quick return, high voltage control valve group 2 controls power oil to ante-chamber valve group 5, and then push the work forward cylinder backhaul.
Preferably, in order to realize that press is normal and the pressure release of accident condition, hydraulic system further includes that stepper motor is let out
Pressure valve 9 and accidental depressurization valve 10, the two are installed in parallel between hydraulic pump source 1 and super-pressure isolating valve, 7, stepper motor relief valve
9 connect with electric-control system 11, are controlled by electric-control system 11.
In order to improve the integrated level of hydraulic system, on-site installation work amount, inside hydraulic pump source 1, all hydraulic are reduced
Pump (including high-pressure pump is pumped with control) is mounted below fuel tank, and high voltage control valve group 2, super-pressure pump module 6, surpasses ante-chamber valve group 5
The hydraulic components such as high-voltage cutoff valve 7, stepper motor relief valve 9, accidental depressurization valve 10 install the top or side with fuel tank.
Preferably, as shown in figure 3, the ontology 41 of absolute-value displacement sensor 4 passes through attachment device 42 with contact 43 is measured
Connection, attachment device 42 are bracing wire rope, and one end is telescopically connected in the ontology 41 of absolute-value displacement sensor, the other end
It is connect with contact 43 is measured, measures the working cylinder piston that contact 43 is fixed on cubic hinge press by measuring contact fixing device 13
On 31, the ontology 41 of absolute-value displacement sensor 4 is fixed on holder 12.When attachment device 32 is bracing wire rope, for cubic apparatus
The left and right cylinder and forward and backward cylinder of press, bracing wire rope are preferably in horizontality, for the upper and lower cylinder of cubic hinge press, bracing wire
Rope is preferably in vertical state.Holder 12 is preferably 3, and the cubic hinge press working cylinder 3 of two Relative distributions shares a branch
Frame 12, the explanation that the present embodiment is carried out by taking one group of working cylinder of horizontal direction or so Relative distribution as an example.For cubic hinge press
Left and right cylinder and forward and backward cylinder, bracing wire rope be in horizontality, for the upper and lower cylinder of cubic hinge press, bracing wire rope is in perpendicular
Straight state.
Preferably, absolute-value displacement sensor 4 is absolute value Linear displacement transducer, and absolute value Linear displacement transducer has
Different accuracy of detection are available, and such as two kinds of control accuracies of 0.1mm and 0.05mm, user can make most according to process condition
The selection of cost performance, and the corresponding output signal of absolute value Linear displacement transducer different location is unique, so even
The case where powering off among control system, system again it is electric after, what absolute value Linear displacement transducer provided is still to work as
The accurate signal of front position, eliminating power-off influences displacement measurement system.
Preferably, electric-control system 11 includes controller, display, warning device and scram button, for showing top hammer
Physical location, the observation and control of person easy to operation, be additionally operable to alarm and emergency stop, reduce loss.
By the above-mentioned hydraulic system of piping connection, the institute that current press may be implemented is functional, and can realize
Each working cylinder displacement is accurately controlled under super-pressure operating mode.
In hydraulic system disclosed by the utility model, the single cylinder when idle running advance of cubic hinge press, quick return, debugging
It is consistent with existing cubic hinge press operation principle to move forward or back principle, therefore no longer this partial content is described in detail,
How will realize that the principle for accurately controlling each working cylinder stroke in the synthesis process is done to the hydraulic system of the utility model below
It is described in detail：
(1) single cylinder independent plenums and Bit andits control in building-up process：By taking right cylinder as an example, the absolute position of right cylinder is corresponded to by it
Absolute-value displacement sensor 4 monitor in real time, and feed back to electric-control system 11, when needing right cylinder to advance, electric-control system 11 is controlled
The motor work of the corresponding super-pressure pump of right cylinder processed 6, the hydraulic oil after being pressurizeed by super-pressure pump 62 is sent into right cylinder, before right cylinder
Into；When the physical location of right cylinder reaches setting value, stop super-pressure pump；The synthesis pressure in right cylinder circuit is by corresponding pressure sensing
Device 8 monitors and feeds back to control system 11；
(2) six cylinders are connected to superpressure：Control system 11 opens the solenoid valve of 6 super-pressure isolating valve,s, in the effect of control oil
Under, 6 super-pressure isolating valve,s are opened, then the connection of six cylinder working chambers starts 6 super-pressure pumps, 6 super-pressure pumps while work
Make, carries out connection superpressure；
When multi-cylinder (such as 2-5 cylinders) is connected to superpressure, principle is same as above, and opening needs to be connected to the corresponding super-pressure of superpressure working cylinder
Isolating valve, simultaneously starts corresponding super-pressure pump；
(3) adjustment of rate of pressurization：When single circuit rate of pressurization needs adjustment, by adjusting super-pressure in the circuit
The motor working frequency of pump, you can adjust the superpressure speed in the circuit；When six cylinders or multi-cylinder (such as 2-5 cylinders) are connected to superpressure,
Different rates of pressurization, such as 1 super-pressure pump work or 2 or more can be realized by controlling the quantity of super-pressure pump
A super-pressure pump work；
(4) pressure release controls：In order to ensure the safety of cubic hinge press, prevent from letting cool bubble, on when pressure release each working cylinder circuit
Super-pressure isolating valve, 7 be necessary for fully open state, then open the super-pressure two two of 9 upstream of stepper motor relief valve
It is logical, and the aperture of stepper motor relief valve 9 is adjusted to realize the pressure release of different rates；When stepper motor failure, can pass through
Accidental depressurization valve 10 is opened manually to realize accidental depressurization, ensures the work safety of cubic hinge press；By super-pressure pump 62 send to
Hydraulic oil in right cylinder is sent back to hydraulic pump source 1 through super-pressure isolating valve, 7, stepper motor relief valve 9 or accidental depressurization valve 10
In；
(5) design of super-pressure pump：Super-pressure pump pressure oscillation is small, and after increasing frequency control, easy to adjust, can be with
Realize the smooth pursuits automatically controlled with pressure.
Embodiment described above describe it is more specific and detailed, but can not therefore and be interpreted as special to the utility model
The limitation of sharp range.It should be pointed out that for those of ordinary skill in the art, not departing from the utility model design
Under the premise of, various modifications and improvements can be made, these belong to the scope of protection of the utility model.
Claims (10)
1. a kind of hydraulic system accurately controlling cubic hinge press single cylinder displacement, which is characterized in that including electric-control system (11)
And hydraulic pump source (1) connected to it, absolute-value displacement sensor (4), super-pressure pump module (6), super-pressure isolating valve, (7) and
Pressure sensor (8)；Super-pressure pump module include sequentially connected super-pressure check valve (61), translator super-pressure pump (62)
And manual isolating valve, (63)；Each cubic hinge press working cylinder (3) be correspondingly arranged an absolute-value displacement sensor, one it is super
High pressure pump module, a super-pressure isolating valve, and a pressure sensor；Cubic hinge press working cylinder and hydraulic pump source, super-pressure
Pump module, super-pressure isolating valve, form hydraulic circuit；The ontology (41) of absolute-value displacement sensor is fixed on outside cubic hinge press
On the holder (12) in portion, the measurement contact (43) of absolute-value displacement sensor is fixed on cubic hinge press working cylinder.
2. the hydraulic system according to claim 1 for accurately controlling cubic hinge press single cylinder displacement, which is characterized in that liquid
Press pump source includes high-pressure pump, control pump, check valve, electromagnetic relief valve, return filter, air filter, heater, cooling
Device, liquid level liquid thermometer, exhaust-valve and fuel tank.
3. the hydraulic system according to claim 1 for accurately controlling cubic hinge press single cylinder displacement, which is characterized in that institute
It further includes the high voltage control valve group (2) being connect with electric-control system to state hydraulic system, high voltage control valve group be mounted on hydraulic pump source with
Between cubic hinge press working cylinder, high voltage control valve group includes 6 groups of high pressure control valves corresponding with cubic hinge press working cylinder, often
Group includes super-pressure hydraulic control check valve, electro-hydraulic reversing valve and throttle valve.
4. the hydraulic system according to claim 1 for accurately controlling cubic hinge press single cylinder displacement, which is characterized in that institute
It further includes the ante-chamber valve group (5) being connect with cubic hinge press working cylinder and electric-control system to state hydraulic system, and ante-chamber valve group includes one
A sequence valve and 6 groups of one-way throttle valves to connect one to one with cubic hinge press working cylinder, one-way throttle valve pass through sequence valve
It is connect with hydraulic pump source.
5. the hydraulic system according to claim 1 for accurately controlling cubic hinge press single cylinder displacement, which is characterized in that institute
It further includes stepper motor relief valve (9) and accidental depressurization valve (10) to state hydraulic system, and the two is installed in parallel in hydraulic pump source and surpasses
Between high-voltage cutoff valve, stepper motor relief valve is connect with electric-control system.
6. the hydraulic system according to claim 1 for accurately controlling cubic hinge press single cylinder displacement, which is characterized in that absolutely
Ontology to being worth displacement sensor is connect with contact is measured by attachment device (42), and attachment device is bracing wire rope, and one end can
It is telescopically connected in absolute-value displacement sensor ontology, the other end is connect with contact is measured, and measures contact by measuring contact
Fixing device (13) is fixed on the working cylinder piston (31) of cubic hinge press.
7. the hydraulic system according to claim 1 for accurately controlling cubic hinge press single cylinder displacement, absolute value displacement passes
Sensor is absolute value Linear displacement transducer.
8. the hydraulic system according to claim 1 for accurately controlling cubic hinge press single cylinder displacement, which is characterized in that branch
Frame is 3, and two opposite cubic hinge press working cylinders share a holder.
9. the hydraulic system according to claim 1 for accurately controlling cubic hinge press single cylinder displacement, which is characterized in that super
The motor of high-pressure pump is configured with frequency converter.
10. the hydraulic system according to claim 1 for accurately controlling cubic hinge press single cylinder displacement, which is characterized in that
Electric-control system includes controller, display, warning device and scram button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820038755.4U CN207805563U (en) | 2018-01-10 | 2018-01-10 | A kind of hydraulic system accurately controlling cubic hinge press single cylinder displacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820038755.4U CN207805563U (en) | 2018-01-10 | 2018-01-10 | A kind of hydraulic system accurately controlling cubic hinge press single cylinder displacement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207805563U true CN207805563U (en) | 2018-09-04 |
Family
ID=63326871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820038755.4U Active CN207805563U (en) | 2018-01-10 | 2018-01-10 | A kind of hydraulic system accurately controlling cubic hinge press single cylinder displacement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207805563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847292A (en) * | 2021-09-30 | 2021-12-28 | 中南钻石有限公司 | Hydraulic system of cubic press and pressure control method |
-
2018
- 2018-01-10 CN CN201820038755.4U patent/CN207805563U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847292A (en) * | 2021-09-30 | 2021-12-28 | 中南钻石有限公司 | Hydraulic system of cubic press and pressure control method |
| CN113847292B (en) * | 2021-09-30 | 2024-04-09 | 中南钻石有限公司 | Hydraulic system of hexahedral press and pressure control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207805564U (en) | A kind of hydraulic system accurately controlling cubic hinge press single cylinder displacement | |
| CN108007787B (en) | Pressure chamber and dynamic and static triaxial test system | |
| CN106226161A (en) | Oil hydraulic system and general-purpose test device | |
| CN103174687B (en) | Pressurized and energy storing type energy-saving hydraulic pumping unit | |
| CN110667808B (en) | Buoyancy adjusting device and adjusting method | |
| CN207805563U (en) | A kind of hydraulic system accurately controlling cubic hinge press single cylinder displacement | |
| CN201202622Y (en) | Proportional variable plunger pump | |
| CN106525193B (en) | Bubble type water level gauge | |
| CN205372073U (en) | High pressure pneumatic balanced system | |
| CN103821783A (en) | Constant-pressure and constant-flow device of hydraulic oil supply system | |
| CN114198348A (en) | Hydraulic system of super-tonnage servo pump-controlled bending machine and control method thereof | |
| CN106180861A (en) | A kind of lock formula hydraulic system of cutting machine | |
| CN210234372U (en) | Ink-jet control box of industrial printer servo ink supply system | |
| CN114352591B (en) | Method for hydraulically and synchronously driving weights | |
| CN209971885U (en) | Servo ink supply system of industrial printer | |
| CN204553376U (en) | A kind of hydraulic system for integrated apparatus pressure drive mechanism | |
| CN108423982B (en) | Forced beam splitting travel control device of glass fiber drawing machine | |
| CN217331500U (en) | Static seal experiment table | |
| CN106122144B (en) | The pilot-actuated valve to operate steadily | |
| CN201818493U (en) | Pressure adjusting screw pump | |
| CN112483495B (en) | Synchronous motor based multi-cylinder synchronous open-loop control system and control method | |
| CN211774176U (en) | Novel constant-pressure water replenishing unit | |
| CN207687107U (en) | End cap assembly, hydraulic test and engineering machinery | |
| CN109372810B (en) | Hydraulic system of large-flow squeezer | |
| CN201539396U (en) | Water pump pressure controller with adjustable starting pressure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |