CN206346972U - A kind of hydraulic system and mould - Google Patents
A kind of hydraulic system and mould Download PDFInfo
- Publication number
- CN206346972U CN206346972U CN201621016497.7U CN201621016497U CN206346972U CN 206346972 U CN206346972 U CN 206346972U CN 201621016497 U CN201621016497 U CN 201621016497U CN 206346972 U CN206346972 U CN 206346972U
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- oil
- oil cylinder
- hydraulic system
- pump
- reversal valve
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Abstract
The utility model proposes a kind of hydraulic system, including fuel tank, oil pump, reversal valve and oil cylinder group, the oil pump includes the first oil pump and the second oil pump, the reversal valve includes the first reversal valve and the second reversal valve, the oil inlet end of first oil pump and the second oil pump is connected by oil pipe with the fuel tank respectively, the oil outlet end of first oil pump and the second oil pump is connected by oil pipe with first reversal valve and the second reversal valve respectively, the oil cylinder group includes many first oil cylinder groups and many second oil cylinder groups, first reversal valve and the second reversal valve are connected by oil pipe with the first oil cylinder group and the second oil cylinder group respectively.The hydraulic system of this structure, compared with existing hydraulic system, due to being provided with the first oil pump and the second oil pump simultaneously, and first oil pump and the second oil pump be simultaneously operable, it therefore, it can be that the first oil cylinder group and the second oil cylinder group provide sufficient pressure oil so that the better reliability of hydraulic work system.
Description
Technical field
The utility model is related to mould applications, more particularly to a kind of hydraulic system and mould.
Background technology
For various large molds, locking between the movement of mould, mould etc. is mainly completed by hydraulic system.
But the hydraulic system used at present, following problem is primarily present, first, the structure of hydraulic system is excessively complicated,
Cause production cost and use cost higher.Secondly, the reliability of hydraulic system is relatively poor, and such as many oil cylinder commutations are different
The problems such as step, system oil leak.Again, also there is system hydraulic pressure in conventional hydraulic system.
In summary, how a kind of good reliability, system pressure abundance and the low hydraulic system of use cost are provided, with
And the mould including the hydraulic system, into the technical problem of those skilled in the art's urgent need to resolve.
Utility model content
The technical problems to be solved in the utility model is：A kind of good reliability is provided, system pressure is sufficient and uses into
This low hydraulic system, and the mould including the hydraulic system.
What solution of the present utility model was realized in：The utility model proposes a kind of hydraulic system, including fuel tank,
Oil pump, reversal valve and oil cylinder group, the oil pump include the first oil pump and the second oil pump, the reversal valve include the first reversal valve and
Second reversal valve, the oil inlet end of first oil pump and the second oil pump is connected by oil pipe with the fuel tank respectively, and described first
The oil outlet end of oil pump and the second oil pump is connected by oil pipe with first reversal valve and the second reversal valve respectively, the oil cylinder group
Including many first oil cylinder groups and many second oil cylinder groups, first reversal valve and the second reversal valve pass through oil pipe and institute respectively
The first oil cylinder group is stated to connect with the second oil cylinder group.The hydraulic system of this structure, compared with existing hydraulic system, due to setting simultaneously
First oil pump and the second oil pump, and the first oil pump and the second oil pump be simultaneously operable, and therefore, it can as the first oil cylinder group and
Two oil cylinder groups provide sufficient pressure oil so that the better reliability of hydraulic work system.
Another technical scheme of the present utility model is that on above-mentioned basis the first oil cylinder group includes four groups of oil
Cylinder, many first oil cylinders are included per group oil cylinder.This set-up mode, because two oil pumps can provide the pressure oil of abundance, therefore, four
The uniformity of group oil cylinder action can obtain effective guarantee, and whole efficiency is higher.
Another technical scheme of the present utility model is on above-mentioned basis, and four first oil cylinders are included per group oil cylinder,
The action when structure of four first oil cylinders and work is consistent；The second oil cylinder group includes four second oil cylinders, four pieces the
The action when structure of two oil cylinders and work is consistent.
Another technical scheme of the present utility model be it is above-mentioned basis on, the hydraulic system also include controller and
Multiple pressure sensors being electrically connected with the controller, the controller is connected with first oil pump and the second oil pump respectively, institute
Pressure sensor is stated to be respectively arranged on first oil cylinder and the second oil cylinder, and can be the first oil cylinder and the pressure of the second oil cylinder
Signal is transferred to controller, and the controller adjusts the fuel delivery to corresponding oil cylinder according to pressure signal；Or,
The hydraulic system also includes controller and multiple displacement transducers being electrically connected with the controller, the controller point
Do not connected with first oil pump and the second oil pump, institute's displacement sensors are respectively arranged at first oil cylinder and the second oil cylinder
On, and the displacement signal of the first oil cylinder and the second oil cylinder can be transferred to controller, the controller is adjusted according to displacement signal
The fuel delivery of first oil pump and the second oil pump to corresponding oil cylinder.
Another technical scheme of the present utility model is that on above-mentioned basis first oil cylinder and the second oil cylinder are wrapped
Include and offer at least two hydraulic fluid ports on cylinder barrel and the piston rod being arranged in cylinder barrel, the cylinder barrel；
Flow speed control valve is further respectively had on the pipeline connected with the hydraulic fluid port of many first oil cylinders.
Another technical scheme of the present utility model be it is above-mentioned basis on, first reversal valve and the second reversal valve
For 3-position 4-way electro-hydraulic reversing valve or three-position four-way electromagnetic directional valve.
Another technical scheme of the present utility model is that on above-mentioned basis the first oil cylinder group is changed with described first
To the reversible lock being additionally provided between valve for the oil cylinder of locking first, the reversible lock passes through hydraulic control.
Another technical scheme of the present utility model is that on above-mentioned basis the hydraulic system also includes the first motor
With the second motor, first oil pump is vane pump, and the vane pump is driven by the first motor to be rotated；Second oil pump is
Plunger pump, the plunger pump is driven by the second motor to be rotated.This set-up mode, respectively by vane pump and plunger pump come to be
System provides pressure oil, big with operating pressure, continues the strong advantage of supply capability.
Another technical scheme of the present utility model is on above-mentioned basis, and sky is additionally provided with the fuel tank or in fuel tank
Air filter, oil filter, liquid level gauge and temperature sensor；It is additionally provided with the hydraulic system for maintaining system pressure at least
One accumulator.
In addition, the utility model also proposes a kind of mould, including hydraulic system, the hydraulic system is claim 1 to 9
Any one of hydraulic system.
Brief description of the drawings
Constitute a part of accompanying drawing of the present utility model to be used for providing further understanding to of the present utility model, this practicality is new
The schematic description and description of type is used to explain the utility model, does not constitute to improper restriction of the present utility model.
Fig. 1 is a kind of structural representation of hydraulic system of the utility model.
Reference corresponding relation is：
The liquid level gauge of 1 first reversal valve, 2 air cleaner 3
The oil filter of 4 first overflow valve, 5 first oil filter 6 second
The check valve of 7 first motor, 8 vane pump 9 first
The overflow valve of 10 hose assembly, 11 pressure gauge 12 second
The oil cylinder of 13 first throttle valve, 14 accumulator 15 first
The ball valve of 16 reversible lock, 17 fuel tank 18 first
The plunger pump of 19 20 second motor of temperature sensor 21
The oil filter of 22 second ball valve, 23 flow speed control valve 24 the 3rd
The oil cylinder of 25 second reversal valve, 26 second throttle 27 second
28 second check valves
Embodiment
The utility model is described in detail below in conjunction with the accompanying drawings, the description of this part be only it is exemplary and explanatory,
There should not be any restriction effect to protection domain of the present utility model.In addition, those skilled in the art's retouching according to this document
State, respective combination can be carried out to feature in embodiment in this document and not in be the same as Example.
The utility model embodiment is as follows, refers to the hydraulic system described in Fig. 1, among mould, specifically includes oil
Case 17, oil pump, reversal valve and oil cylinder group, more specifically, oil pump include the first oil pump and the second oil pump, and reversal valve includes first
The reversal valve 25 of reversal valve 1 and second, oil cylinder group includes many first oil cylinder groups and many second oil cylinder groups, the first oil pump and second
It is equipped with oil inlet end and oil outlet end on oil pump, the oil inlet end of the first oil pump and the second oil pump is connected by oil pipe with fuel tank 17, and
The oil outlet end of first oil pump and the second oil pump is then connected by oil pipe with the first reversal valve 1 and the second reversal valve 25 respectively, and the
One reversal valve 1 and the second reversal valve 28 are also connected by oil pipe with the first oil cylinder group and the second oil cylinder group respectively simultaneously.This structure
Hydraulic system, compared with existing hydraulic system, due to being provided with the first oil pump and the second oil pump, and the first oil pump and the simultaneously
Two oil pumps are simultaneously operable, and therefore, it can be that the first oil cylinder group and the second oil cylinder group provide sufficient pressure oil so that hydraulic pressure system
The better reliability of system work.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in fig. 1, the first oil cylinder group bag
Four group oil cylinders are included, many first oil cylinders 15 being set up in parallel are included per group oil cylinder.This set-up mode, because two oil pumps can be provided
Sufficient pressure oil, therefore, the uniformity of four group oil cylinders action can obtain effective guarantee, and whole efficiency is higher.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in figure 1, more specifically, every group
Oil cylinder includes four first oil cylinders 15, and the structure of four first oil cylinders 15 is consistent, and model is consistent with specification, also, during work, its
Action is also consistent, and such as four first oil cylinders 15 can stretch out simultaneously, can retract simultaneously.First oil cylinder 15 is specially Mode-locking oil cylinder,
I.e. by the first oil cylinder 15, the dynamic model and cover half of mould can be locked together, prevent from being subjected to displacement in injection moulding process, Jin Erbao
Demonstrate,prove the quality of production of product.For the second oil cylinder group, as shown in fig. 1, also including four second oil cylinders 27, four second oil cylinders
27 structure is consistent, and model is also consistent with specification, also, during work, its action is also consistent, and such as four second oil cylinders 27 can be simultaneously
Stretch out, can retract simultaneously.Second oil cylinder 27 is specially jacking cylinder, and four second oil cylinders 27 may be disposed at four angles of mould
On, during the demoulding, the dynamic model of mould is lifted off cover half by four collective effects of second oil cylinder 27, realizes the demoulding.
On the basis of above-described embodiment, in another embodiment of the utility model, in practical work process, missed due to installing
The problem of in terms of difference or oil cylinder leakage, therefore, not the pressure and stroke of every oil cylinder are completely the same, are asked to solve this
Topic, hydraulic system also include controller and multiple pressure sensors being electrically connected with the controller, controller respectively with the first oil pump
Electrically connected with the second oil pump, meanwhile, multiple pressure sensors are respectively arranged in the first oil cylinder 15 and the second oil cylinder 27, and are used for
The pressure in the first oil cylinder 15 and the second oil cylinder 27 is measured, pressure signal transmission can be returned controller by pressure sensor in real time, when
When detecting in-oil cylinder pressure value not in normal range (NR), controller can be controlled to the first oil pump and the second oil pump, and
When regulation to the fuel delivery of corresponding oil cylinder, to ensure the pressure balance of the first oil cylinder 15 and the second oil cylinder 27.It should be noted that
In addition to pressure sensor, displacement transducer can also be set on the first oil cylinder 15 and the second oil cylinder 27 respectively, for detecting oil
The displacement of cylinder, displacement transducer is electrically connected with the controller simultaneously, and signal is transferred to controller in real time, when detecting oil
When the shift motion of cylinder is not up to standard or exceeded, controller can adjust the fuel delivery of the first oil pump and the second oil pump, in time increase or
Reduce the fuel delivery to corresponding oil cylinder, so as to ensure its displacement.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in figure 1, for the first oil cylinder 15
With the second oil cylinder 27, configuration aspects, including cylinder barrel and the piston and piston rod that are arranged in cylinder barrel, piston and piston rod can be
Moved in cylinder barrel, and oil cylinder is separated on rod chamber and rodless cavity, rod chamber and rodless cavity is equipped with hydraulic fluid port, two hydraulic fluid ports
In, when the hydraulic fluid port oil-feed on rod chamber, the hydraulic fluid port on rodless cavity is fuel-displaced, now, and piston rod is from rod chamber to rodless cavity direction
It is mobile.Phase-plate, piston rod is then moved to rod chamber direction.It should be noted that in another embodiment, it is also possible to piston
Bar is fixed, and cylinder barrel is moveable, and now, when rod chamber oil-feed, cylinder barrel is then moved toward rod chamber direction.Together
When, it is adjusted and controls for convenience of the stretching speed to the first oil cylinder 15, the pipe connected with the hydraulic fluid port of many first oil cylinders 15
Flow speed control valve 23 is further respectively had on road.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in fig. 1, for the first commutation
The reversal valve 25 of valve 1 and second, specially three position four-way directional control valve, more specifically, the first commutation and the second reversal valve 25 can be with
It is controlled by electromagnet, as three-position four-way electromagnetic directional valve.Meanwhile, the first reversal valve 1 and the second reversal valve 25 may be used also
To pass through electrichydraulic control, as 3-position 4-way electro-hydraulic reversing valve.It is, of course, also possible to be commutated by two ways to first simultaneously
The reversal valve 25 of valve 1 and second is controlled.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in figure 1, the first oil cylinder group and the
The reversible lock 16 for many first oil cylinders 15 to be carried out with locking is additionally provided between one reversal valve 1, certainly, also can be in the second oil cylinder
Reversible lock 16 is also provided between group and the second reversal valve 25.Reversible lock 16 is preferably to be superimposed hydraulic control reversible lock, and its concrete structure can
With reference to existing and its improved technology, it will not be described in detail herein.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in figure 1, for hydraulic system, also
Including the first motor 7 and the second motor 20, the first oil pump is specially vane pump 8, and the first motor 7 is arranged on the first oil pump or it
Side, and for driving the rotation of the first oil pump.Second oil pump is specially plunger pump 21, and the second motor 20 is arranged on the second oil pump
Or its side, and for driving the rotation of the second oil pump.This set-up mode, respectively by vane pump 8 and plunger pump 21 come for system
Pressure oil is provided, it is big with operating pressure, continue the strong advantage of supply capability.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in figure 1, on fuel tank 17 or fuel tank
Being additionally provided with 17 is used to carry out air filtered air filter 2, the oil filter filtered to fluid, and for measuring
The liquid level gauge 3 of fluid position, and the temperature sensor 19 for being measured to oil liquid temperature.More specifically, oil filter
Including the first oil filter 5, the second oil filter 6 and the 3rd oil filter 24, the first oil filter 5 set the oil pump of row first and fuel tank 17 it
Between pipeline on, the second oil filter 6 is arranged on the pipeline between the first reversal valve 1 and the second reversal valve 25 and fuel tank 17,
Three oil filters 24 are then arranged on the pipeline between the second oil pump and fuel tank 17.In addition, to ensure hydraulic system safety, hydraulic pressure system
System also includes the first overflow valve 4 and the second overflow valve 12, and the first overflow valve 4 is arranged on the flowline of the first oil pump, and second overflows
Stream valve 12 is arranged on the flowline of the second oil pump, and the first overflow valve 4 and the second overflow valve 12 are connected with fuel tank 17.Meanwhile,
To ensure that oil circuit pressure is stable, accumulator 14 is additionally provided with hydraulic system, the first ball valve is additionally provided between accumulator 14 and pipeline
18, the second ball valve 22 is additionally provided between accumulator 14 and fuel tank 17, the concrete structure of accumulator 14 is referred to existing and its improved
Mode, will not be described in detail herein.
As shown in fig. 1, the first check valve 9 and the second check valve 28, the number of the first check valve 9 are additionally provided with hydraulic system
Measure to be multiple, and be respectively arranged between oil pump and the first reversal valve 1, and between the second oil pump and the second reversal valve 25,
Two check valves 28 are arranged on the pipeline between the second reversal valve 25 and the second oil cylinder group.In addition, to realize to fluid in oil circuit
First throttle valve 13 and second throttle 26 are additionally provided with the control of flow, hydraulic system, first throttle valve 13 is arranged at first
On pipeline between the oil cylinder group of reversal valve 1 and first, second throttle 26 be arranged at the second reversal valve 25 and the second oil cylinder group it
Between pipeline on, by the control to first throttle valve 13 and second throttle 26, can realize respectively to the first oil cylinder group and
The control of two oil cylinder group stretching speeds.
As shown in fig. 1, it is loine pressure in real-time measurement hydraulic system, it is ensured that hydraulic system safe operation, hydraulic pressure system
Pressure gauge 11 is additionally provided with the hose assembly 10 of system, by pressure gauge 11, the pressure data of hose assembly 10 can be measured in real time.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of hydraulic system, including fuel tank (17), oil pump, reversal valve and oil cylinder group, it is characterised in that the oil pump includes the
One oil pump and the second oil pump, the reversal valve include the first reversal valve (1) and the second reversal valve (25), first oil pump and the
The oil inlet end of two oil pumps is connected by oil pipe with the fuel tank (17) respectively, the oil outlet end point of first oil pump and the second oil pump
Do not connected by oil pipe with first reversal valve (1) and the second reversal valve (25), the oil cylinder group includes many first oil cylinders
Group and many second oil cylinder groups, first reversal valve (1) and the second reversal valve (25) pass through oil pipe and the described first oil respectively
Cylinder group is connected with the second oil cylinder group.
2. hydraulic system according to claim 1, it is characterised in that the first oil cylinder group includes four group oil cylinders, every group
Oil cylinder includes many first oil cylinders (15).
3. hydraulic system according to claim 2, it is characterised in that include four first oil cylinders (15), four per group oil cylinder
The action when structure of the oil cylinder of root first (15) and work is consistent；
The second oil cylinder group includes four second oil cylinders (27), and the action when structure of four second oil cylinders (27) and work is equal
Unanimously.
4. hydraulic system according to claim 3, it is characterised in that the hydraulic system also include controller and it is multiple with
The pressure sensor of controller electrical connection, the controller is connected with first oil pump and the second oil pump respectively, the pressure
Sensor is respectively arranged on first oil cylinder (15) and the second oil cylinder (27), and can be the first oil cylinder (15) and the second oil cylinder
(27) pressure signal transmission is to controller, and the controller adjusts the first oil pump and the second oil pump to corresponding according to pressure signal
The fuel delivery of oil cylinder；Or,
The hydraulic system also include controller and multiple displacement transducers being electrically connected with the controller, the controller respectively with
First oil pump and the second oil pump connection, institute's displacement sensors are respectively arranged at first oil cylinder (15) and the second oil cylinder
(27) on, and the displacement signal of the first oil cylinder (15) and the second oil cylinder (27) can be transferred to controller, the controller according to
Displacement signal adjusts the fuel delivery of the first oil pump and the second oil pump to corresponding oil cylinder.
5. hydraulic system according to claim 4, it is characterised in that first oil cylinder (15) and the second oil cylinder (27) are
Including cylinder barrel and the piston rod being arranged in cylinder barrel, at least two hydraulic fluid ports are offered on the cylinder barrel；
Flow speed control valve (23) is further respectively had on the pipeline connected with the hydraulic fluid port of many first oil cylinders (15).
6. hydraulic system according to claim 1, it is characterised in that first reversal valve (1) and the second reversal valve
(25) it is 3-position 4-way electro-hydraulic reversing valve or three-position four-way electromagnetic directional valve.
7. hydraulic system according to claim 1, it is characterised in that the first oil cylinder group and first reversal valve
(1) reversible lock (16) for the oil cylinder of locking first (15) is additionally provided between, the reversible lock (16) passes through hydraulic control.
8. hydraulic system according to claim 1, it is characterised in that the hydraulic system also include the first motor (7) and
Second motor (20), first oil pump is vane pump (8), and the vane pump (8) is driven by the first motor (7) to rotate；
Second oil pump is plunger pump (21), and the plunger pump (21) is driven by the second motor (20) to rotate.
9. hydraulic system according to any one of claim 1 to 8, it is characterised in that on the fuel tank (17) or fuel tank
(17) air cleaner (2), oil filter, liquid level gauge (3) and temperature sensor (19) are additionally provided with；
At least one accumulator (14) for maintaining system pressure is additionally provided with the hydraulic system.
10. a kind of mould, including hydraulic system, it is characterised in that the hydraulic system is any one of claim 1 to 9 institute
The hydraulic system stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621016497.7U CN206346972U (en) | 2016-08-31 | 2016-08-31 | A kind of hydraulic system and mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621016497.7U CN206346972U (en) | 2016-08-31 | 2016-08-31 | A kind of hydraulic system and mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206346972U true CN206346972U (en) | 2017-07-21 |
Family
ID=59316742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621016497.7U Active CN206346972U (en) | 2016-08-31 | 2016-08-31 | A kind of hydraulic system and mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206346972U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194867A (en) * | 2016-08-31 | 2016-12-07 | 湖南华强电气股份有限公司 | A kind of hydraulic system and mould |
-
2016
- 2016-08-31 CN CN201621016497.7U patent/CN206346972U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194867A (en) * | 2016-08-31 | 2016-12-07 | 湖南华强电气股份有限公司 | A kind of hydraulic system and mould |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Hydraulic system and mold Effective date of registration: 20180326 Granted publication date: 20170721 Pledgee: Bank of Changsha Limited by Share Ltd science and Technology Branch Pledgor: HUNAN VAQOUNG ELECTRIC CO., LTD. Registration number: 2018430000020 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190428 Granted publication date: 20170721 Pledgee: Bank of Changsha Limited by Share Ltd science and Technology Branch Pledgor: HUNAN VAQOUNG ELECTRIC CO., LTD. Registration number: 2018430000020 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Hydraulic system and mold Effective date of registration: 20190606 Granted publication date: 20170721 Pledgee: Bank of Changsha Limited by Share Ltd science and Technology Branch Pledgor: HUNAN VAQOUNG ELECTRIC CO., LTD. Registration number: 2019430000052 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210623 Granted publication date: 20170721 Pledgee: Bank of Changsha Limited by Share Ltd. science and Technology Branch Pledgor: HUNAN VAQOUNG ELECTRIC Co.,Ltd. Registration number: 2019430000052 |