CN209100376U - One kind one pumps multi-cylinder energy-saving hydraulic device - Google Patents
One kind one pumps multi-cylinder energy-saving hydraulic device Download PDFInfo
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- CN209100376U CN209100376U CN201821704193.9U CN201821704193U CN209100376U CN 209100376 U CN209100376 U CN 209100376U CN 201821704193 U CN201821704193 U CN 201821704193U CN 209100376 U CN209100376 U CN 209100376U
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Abstract
The utility model relates to a pump multi-cylinder energy-saving hydraulic devices, by the movable part of an entirety, while connecting an actuating cylinder and more slave cylinders, drive synchronous flexible of slave cylinder to realize actuating cylinder；Meanwhile active oil circuit is set, actuating cylinder is connected to hydraulic circuit, realizes actuating cylinder extension and contraction control；Meanwhile on driven oil circuit, multiple slave cylinder modules are set, by prefill valve, during realizing driven stretch, supplement and discharge storage, the process to slave cylinder inner fluid hardly consume energy, realize energy-saving telescopic；When all oil cylinders in place after, by pressure maintaining pipeline to the micro fluid injection of slave cylinder realize pressure maintaining, realize that big pressure acts on movable part.Which solve the problems that in the prior art, Multi-cylinder system operational speed is slow, liquid feeding pipeline burden is heavy.
Description
Technical field
The utility model belongs to fluid pressure drive device technical field, is specifically related to a kind of energy working at high speed, and heavy wool pressure
One pump multi-cylinder energy-saving hydraulic device of cylinder equilibrium pressure.
Background technique
In the industrial production, especially in the industrial equipments such as injection molding, pressure and stress to workpiece it is equal
Weigh performance, all has more strict requirements.
Such as in Shooting Technique, generally requires and seek the clamping pressure value for reaching mold design, just can guarantee the sealing of mold
Performance realizes the production of high quality injecting products.
And due to the limitation of oil hydraulic system performance, high pressure is generally realized by multiple oil cylinder proportionality actions, and Multi-cylinder is equal
Weighing apparatus layout, there are following technological deficiencies: firstly, oil cylinder is flexible, needed for oil liquid amount it is big, the feed flow of big flow need to be set
The corollary apparatus such as pipeline, system cost are higher；Secondly, Multi-cylinder is mobile, in the certain situation of flow, oil cylinder quantity is inversely proportional to
Movement speed causes the equipment speed of service low.
In addition, Multi-cylinder is arranged, there is a certain error for each oil feed line, leads to each oil cylinder working-pressure and non-fully phase
Together, the problem for easily leading to pressure unevenness is unable to satisfy high-accuracy molding demand.
Summary of the invention
The utility model is intended to provide one kind one and pumps multi-cylinder energy-saving hydraulic device, to solve existing Multi-cylinder hydraulic device,
The problem that the speed of service is slow, liquid feeding pipeline burden is heavy.
Concrete scheme is as follows: one kind one pumps multi-cylinder energy-saving hydraulic device, including a hydraulic circuit, which has liquid
Press pump, oil feed line and oil return line；Further include active oil circuit and driven oil circuit:
The active oil circuit includes double-acting actuating cylinder and the first reversal valve, which first is commutated by this
Valve accesses the hydraulic circuit；
The driven oil circuit includes pilot line, pressure maintaining pipeline and one second reversal valve, the pilot line and pressure maintaining pipe
The hydraulic circuit is accessed by second reversal valve in road；
The driven oil circuit further includes multiple groups slave cylinder module, the slave cylinder module include sequentially connected fuel reserve tank,
Prefill valve and the slave cylinder of single-acting；The pressure maintaining pipeline is connected to the slave cylinder, and the pilot line is conducted to this and fills
The pilot port of liquid valve；
The actuating cylinder and slave cylinder are connected to a movable part.
The further technical solution of the utility model is that the slave cylinder module further includes a ball valve, which is set to should
Between fuel reserve tank and prefill valve.
The further technical solution of the utility model is that the pressure maintaining pipeline is conducted to the slave cylinder by a check valve.
The further technical solution of the utility model is that the hydraulic pump includes that a motor and one connect with the motor drive
Pair vane pump, the head and the tail both ends of the oil feed line are respectively arranged at the liquid outlet of two pair vane pumps.
The further technical solution of the utility model is, the retraction port of the actuating cylinder by piping connection to this first
Reversal valve, and the stretching port of the actuating cylinder by a hydraulic control one-way valve piping connection to first reversal valve, and the retraction
Pipeline connection on port to the hydraulic control one-way valve pilot port.
The further technical solution of the utility model is that the stretching port of the actuating cylinder also passes through check valve and is connected to guarantor
Pressure pipe road.
The utility model has the advantages that a pump multi-cylinder energy-saving hydraulic device of the utility model, by the movable part of an entirety,
An actuating cylinder and more slave cylinders are connected simultaneously, drive slave cylinder is synchronous to stretch to realize actuating cylinder；Meanwhile
Active oil circuit is set, actuating cylinder is connected to hydraulic circuit, realizes actuating cylinder extension and contraction control；Meanwhile in driven oil circuit
On, multiple slave cylinder modules are set, by prefill valve, during realizing driven stretch, to slave cylinder inner fluid
Supplement and discharge storage, the process hardly consume energy, realize energy-saving telescopic；When all oil cylinders in place after, by pressure maintaining
Pipeline realizes pressure maintaining to the micro fluid injection of slave cylinder, realizes that big pressure acts on movable part.Which solve in the prior art, heavy wool
The problem that cylinder system operational speed is slow, liquid feeding pipeline burden is heavy.
In further technical solution, the stretching port of actuating cylinder is also connected to pressure maintaining pipeline, it is ensured that each
Oil cylinder is connected to unified pipeline, and oil pressure height is consistent, realizes the balanced pressure of high precision.
Detailed description of the invention
Fig. 1 shows the utility model one and pumps multi-cylinder energy-saving hydraulic device hydraulic schematic diagram.
Specific embodiment
To further illustrate each embodiment, the utility model is provided with attached drawing.These attached drawings are in the utility model discloses
A part of appearance mainly to illustrate embodiment, and can cooperate the associated description of specification former come the running for explaining embodiment
Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and sheet are practical new
The advantages of type.Component in figure is not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.
Now in conjunction with the drawings and specific embodiments, the present invention will be further described.
As shown in connection with fig. 1, this embodiment offers one kind one pump multi-cylinder energy-saving hydraulic device, including a hydraulic circuit 10,
One active oil circuit 20 and a driven oil circuit 30.
In this embodiment, which includes the oil feed line and a hydraulic pump of annular, the hydraulic pump packet
Include a threephase asynchronous machine and the pair vane pump that connect with the motor drive, the pair vane pump have a liquid sucting port with
And two liquid outlets, the liquid sucting port piping connection a to hydraulic oil container, then the head and the tail both ends of the oil feed line be respectively arranged on two should
At the liquid outlet of pair vane pump, to realize the feed flow of stability and high efficiency；The hydraulic circuit 10 also has one to be conducted to hydraulic oil container
Oil return line, to realize pressure release oil extraction.
The active oil circuit 20 includes the first reversal valve of electro hydraulic valve 1 of a double-acting actuating cylinder 60 and two four-ways,
The actuating cylinder 60 accesses the hydraulic circuit 10 by first reversal valve 1, specific:
The oiling port of 60 bottom of actuating cylinder is defined to stretch out port, with pushing piston-rod, this is actively oily for oiling
The oiling port at 60 top of cylinder is retraction port, and oiling is to withdraw piston rod；
The retraction port of the actuating cylinder 60 pass through piping connection to first reversal valve 1 one of executive component oil pocket
Port, and the port of stretching out of the actuating cylinder 60 passes through the execution of 16 piping connection of a hydraulic control one-way valve to first reversal valve 1
The another port of element oil pocket；Meanwhile the pipeline connection on the retraction port is to the pilot port of the hydraulic control one-way valve 16, with
In retraction process, the oil circuit for stretching out port is opened, realizes discharge hydraulic oil.
The driven oil circuit 30 includes pilot line, pressure maintaining pipeline and one second reversal valve 2, the pilot line and pressure maintaining
Pipeline accesses the hydraulic circuit by second reversal valve 2；
Meanwhile the driven oil circuit 30 further includes multiple groups slave cylinder module, each slave cylinder module includes successively
Fuel reserve tank, prefill valve 19 and the slave cylinder 6 of single-acting of connection, meanwhile, which further includes a ball valve 21,
The ball valve 21 is set between the fuel reserve tank and prefill valve；The pressure maintaining pipeline is connected to the note of the slave cylinder by check valve individual event
Hydraulic fluid port, and the pilot line is conducted to the pilot port of the prefill valve 19, to control the unlatching and closing of the prefill valve 19.
Piston rod is connected on integrated movable part by the actuating cylinder 60 and each slave cylinder 6 of the embodiment
(not shown), and the actuating cylinder 60 is set to each slave cylinder middle position, and then realizes 60 energy band of actuating cylinder
Move the flexible of each synchronization of slave cylinder 6；Meanwhile active oil circuit 20 is set, and actuating cylinder 60 is connected to hydraulic circuit 10, it is real
60 extension and contraction control of actuating cylinder is showed；Meanwhile on driven oil circuit 30, multiple slave cylinder modules are set, prefill valve is passed through
19, during realizing driven stretch, supplement and discharge storage, the process to slave cylinder inner fluid hardly consume energy
Amount, realizes energy-saving telescopic；When all oil cylinders in place after, by pressure maintaining pipeline to the micro fluid injection of slave cylinder realize pressure maintaining, realize
Big pressure acts on movable part.Which solve in the prior art, Multi-cylinder system operational speed is slow, liquid feeding pipeline bears asking for weight
Topic.
To allow actuating cylinder 60 and each slave cylinder 6 pressure having the same, the extension end of the actuating cylinder 60
Mouth is also connected to pressure maintaining pipeline by check valve, makes the oil-free pressure in port that bounces back, and stretches out port by pressure maintaining pipeline and injects high pressure
Hydraulic oil, it is ensured that each oil cylinder is connected to unified pipeline, and oil pressure height is consistent, realizes the balanced pressure of high precision.
Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered
This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details
On the utility model can be made a variety of changes, be the protection scope of the utility model.
Claims (6)
1. one kind one pumps multi-cylinder energy-saving hydraulic device, an including hydraulic circuit, the hydraulic circuit have hydraulic pump, oil feed line with
And oil return line；It is characterized in that, further including active oil circuit and driven oil circuit:
The active oil circuit includes double-acting actuating cylinder and the first reversal valve, which is connect by first reversal valve
Enter the hydraulic circuit；
The driven oil circuit includes pilot line, pressure maintaining pipeline and one second reversal valve, and the pilot line and pressure maintaining pipeline are logical
It crosses second reversal valve and accesses the hydraulic circuit；
The driven oil circuit further includes multiple groups slave cylinder module, which includes sequentially connected fuel reserve tank, filling liquid
Valve and the slave cylinder of single-acting；The pressure maintaining pipeline is connected to the slave cylinder, and the pilot line is conducted to the prefill valve
Pilot port；
The actuating cylinder and slave cylinder are connected to a movable part.
2. pump multi-cylinder energy-saving hydraulic device according to claim 1, it is characterised in that: the slave cylinder module further includes
One ball valve, the ball valve are set between the fuel reserve tank and prefill valve.
3. pump multi-cylinder energy-saving hydraulic device according to claim 1, it is characterised in that: the pressure maintaining pipeline is unidirectional by one
Valve is conducted to the slave cylinder.
4. it is according to claim 1 one pump multi-cylinder energy-saving hydraulic device, it is characterised in that: the hydraulic pump include a motor with
And the pair vane pump that is connect with the motor drive, the head and the tail both ends of the oil feed line are respectively arranged on two pair vane pumps
At liquid outlet.
5. pump multi-cylinder energy-saving hydraulic device according to claim 1, it is characterised in that: the retraction port of the actuating cylinder
By piping connection to first reversal valve, and the stretching port of the actuating cylinder extremely should by a hydraulic control one-way valve piping connection
First reversal valve, and the pipeline connection on the retraction port is to the pilot port of the hydraulic control one-way valve.
6. pump multi-cylinder energy-saving hydraulic device according to claim 1, it is characterised in that: the stretching port of the actuating cylinder
Pressure maintaining pipeline is also connected to by check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821704193.9U CN209100376U (en) | 2018-10-19 | 2018-10-19 | One kind one pumps multi-cylinder energy-saving hydraulic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821704193.9U CN209100376U (en) | 2018-10-19 | 2018-10-19 | One kind one pumps multi-cylinder energy-saving hydraulic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209100376U true CN209100376U (en) | 2019-07-12 |
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ID=67155827
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821704193.9U Active CN209100376U (en) | 2018-10-19 | 2018-10-19 | One kind one pumps multi-cylinder energy-saving hydraulic device |
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| CN (1) | CN209100376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114056A (en) * | 2018-10-19 | 2019-01-01 | 吉特利环保科技（厦门）有限公司 | One kind one pumps multi-cylinder energy-saving hydraulic device |
-
2018
- 2018-10-19 CN CN201821704193.9U patent/CN209100376U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114056A (en) * | 2018-10-19 | 2019-01-01 | 吉特利环保科技（厦门）有限公司 | One kind one pumps multi-cylinder energy-saving hydraulic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 523, Ji'an Road, Tong'an industrial concentration zone, Tong'an District, Xiamen City, Fujian Province, 361000 Patentee after: Far East Zhongqian (Xiamen) Technology Group Co.,Ltd. Address before: No. 523, Ji'an Road, Tong'an industrial concentration zone, Tong'an District, Xiamen City, Fujian Province, 361000 Patentee before: GEOTEGRITY ECO PACK (XIAMEN) Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |