CN207715484U - A kind of hydraulic press energy regenerating and sliding block weight balancing system - Google Patents
A kind of hydraulic press energy regenerating and sliding block weight balancing system Download PDFInfo
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- CN207715484U CN207715484U CN201721314465.XU CN201721314465U CN207715484U CN 207715484 U CN207715484 U CN 207715484U CN 201721314465 U CN201721314465 U CN 201721314465U CN 207715484 U CN207715484 U CN 207715484U
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- hydraulic
- valve
- kicker cylinder
- sliding block
- way electro
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- 230000001172 regenerating effect Effects 0.000 title claims abstract description 11
- 239000003921 oil Substances 0.000 claims description 29
- 239000010720 hydraulic oil Substances 0.000 claims description 17
- 239000012530 fluid Substances 0.000 claims description 16
- 230000005611 electricity Effects 0.000 claims description 7
- 239000010985 leather Substances 0.000 claims description 2
- 238000009825 accumulation Methods 0.000 claims 1
- 230000005484 gravity Effects 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000009466 transformation Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
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- Press Drives And Press Lines (AREA)
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Abstract
The utility model discloses a kind of hydraulic press energy regeneratings and sliding block weight balancing system, include mainly kicker cylinder, accumulator group, hydraulic pump, the first two-way electro-hydraulic reversing valve, the second two-way electro-hydraulic reversing valve, electromagnetic relief valve, backpressure overflow valve, accumulator group pressure limiting overflow valve, check valve.The ability that the utility model has continuous transformation in the course of work of hydraulic press, absorbs and release energy, and the part gravity suffered by sliding block assembly is offset in sliding block return stroke, have the advantages that make hydraulic press energy consumption reduction or improving productivity under same consumption energy under identical production efficiency, using when need not increase additional hydraulic actuator, it is integrated convenient, especially suitable for sliding block quality is larger or the faster hydraulic press of operating rate, while contributing to the reduction of hydraulic press failure rate and the raising of service life.
Description
Technical field
The utility model is related to a kind of backhaul hydraulic systems of hydraulic press, more particularly to a kind of energy regenerating and sliding block weight
The hydraulic system of dynamic balance.
Background technology
It needs sliding block being promoted to certain height so as to feeding, feeding or more mold exchange etc. after the completion of hydraulic press compacting
The execution of process, the sliding block lifting process abbreviation backhaul are realized to the effect of sliding block by kicker cylinder.It is returned in return stroke
Journey cylinder work done is converted into the gravitional force of sliding block, rather than is directly used in the molding compacting of workpiece, is a kind of indirect energy
Source wastes.For the hydraulic press that sliding block quality is larger or high frequency time is needed to work long hours, the energy consumption of return stroke is huge, section
Energy problem is more prominent.
Invention content
The purpose of this utility model is to provide a kind of energy regeneratings and sliding block weight balancing system, can be to hydraulic press
Energy in the course of work is converted, is recycled, is recycled, to optimize the energy use efficiency of energy stream, promotion hydraulic press,
The reliability and service life of hydraulic press are improved simultaneously.
The technical solution of the utility model is as follows：
The utility model include hydraulic pump, check valve, electromagnetic relief valve, the first two-way electro-hydraulic reversing valve, backpressure overflow valve,
Accumulator group pressure limiting overflow valve, accumulator group, the second two-way electro-hydraulic reversing valve, the first kicker cylinder, the second kicker cylinder, third backhaul
Cylinder and the 4th kicker cylinder, the oil outlet of hydraulic pump are connected to the oil inlet of the oil inlet of check valve, electromagnetic relief valve, the 4th backhaul
The hydraulic fluid port of cylinder is connected to the B mouths of the hydraulic fluid port of the second kicker cylinder, the oil outlet of check valve, the first two-way electro-hydraulic reversing valve, first time
The hydraulic fluid port of journey cylinder and the hydraulic fluid port of third kicker cylinder, the A mouths of the first two-way electro-hydraulic reversing valve, the second two-way electro-hydraulic reversing valve B mouths,
The oil inlet of backpressure overflow valve is connected to, and the A mouths of the hydraulic fluid port of accumulator group and the second two-way electro-hydraulic reversing valve, accumulator group pressure limiting are overflow
Flow the oil inlet connection of valve, the inlet port of hydraulic pump, the oil outlet of electromagnetic relief valve, the oil outlet of backpressure overflow valve, accumulator
The oil outlet of group pressure limiting overflow valve is connected to hydraulic oil container.
Electromagnetic relief valve described in the utility model is open type, i.e., guide's solenoid directional control valve dead electricity of the described electromagnetic relief valve
When guide's solenoid directional control valve in depressurization phase, the electromagnetic relief valve when being powered in holding pressure condition.
First two-way electro-hydraulic reversing valve described in the utility model is two-way normally open type, i.e., the described first two-way electro-hydraulic reversing valve
Guide's solenoid directional control valve dead electricity when A mouthfuls be connected to B mouthfuls, guide's solenoid directional control valve of the first two-way electro-hydraulic reversing valve is powered
When A mouthfuls with B mouthful end.
Second two-way electro-hydraulic reversing valve described in the utility model is two-way closed type, i.e., the described second two-way electro-hydraulic reversing valve
Guide's solenoid directional control valve dead electricity when A mouthfuls with B mouthful cut-off, the second two-way electro-hydraulic reversing valve guide's solenoid directional control valve energization
When A mouthfuls be connected to B mouthfuls
Accumulator group described in the utility model is hydraulic leather bag type accumulator group or hydraulic piston type accumulator.
The structure and size of first kicker cylinder described in the utility model, the second kicker cylinder, third kicker cylinder and the 4th kicker cylinder
Identical, installation site is symmetrical about center, first kicker cylinder, the second kicker cylinder, third kicker cylinder and the 4th backhaul
Cylinder is the hydraulic actuator of slider of hydraulic press backhaul, spatially first kicker cylinder and the third kicker cylinder it is diagonally arranged,
Second kicker cylinder and the 4th kicker cylinder are diagonally arranged.
The beneficial effects of the utility model are as follows：
1, portion of energy is converted using accumulator when under slider of hydraulic press is fast, is recycled by the utility model, and in hydraulic pressure
When machine sliding block backhaul by this portion of energy release, recycle, to the energy stream in hydraulic press operational process optimize with
Achieve the purpose that promote energy utilization rate.
2, the utility model can offset the part gravity that sliding block is subject in slider of hydraulic press backhaul, at this time hydraulic pressure
The main elements such as pump can be operated in lower pressure state, thus the failure rate of system reduces, reliability and service life carry
It is high.
3, the utility model is applied to additionally increase hydraulic actuator when hydraulic press, accumulator in the utility model
Group does not need individual oil-supplementing system, convenient for the system integration, transformation.
Description of the drawings
Fig. 1 is the hydraulic schematic diagram of the utility model.
Fig. 2 is hydraulic oil in the hydraulic circuit of the utility model（Fast lower 1）Flow to schematic diagram.
Fig. 3 is hydraulic oil in the hydraulic circuit of the utility model（Fast lower 2）Flow to schematic diagram.
Fig. 4 is hydraulic oil in the hydraulic circuit of the utility model（Under slow）Flow to schematic diagram.
Fig. 5 is hydraulic oil in the hydraulic circuit of the utility model（Backhaul）Flow to schematic diagram.
In figure：1. hydraulic pump, 2. check valves, 3. electromagnetic relief valves, 4. first two-way electro-hydraulic reversing valves, 5. back pressure overflows
Valve, 6. accumulator group pressure limiting overflow valves, 7. accumulator groups, 8. second two-way electro-hydraulic reversing valves, 9. first kicker cylinders, 10. second
Kicker cylinder, 11. third kicker cylinders, 12. the 4th kicker cylinders.
Specific implementation mode
The utility model will be further described below with reference to the accompanying drawings.
Referring to Fig. 1, the utility model includes mainly：Main Hydraulic Pump 1, check valve 2, electromagnetic relief valve 3, the first two-way are electro-hydraulic
Reversal valve 4, backpressure overflow valve 5, accumulator group pressure limiting overflow valve 6, accumulator group 7, the second two-way electro-hydraulic reversing valve 8, first times
Journey cylinder 9, the second kicker cylinder 10, third kicker cylinder 11 and the 4th kicker cylinder 12, the oil inlet of the oil outlet and check valve 2 of hydraulic pump 1
Mouthful, the connection of the oil inlet of electromagnetic relief valve 3, the hydraulic fluid port of the hydraulic fluid port of the 4th kicker cylinder 12 and the second kicker cylinder 10, check valve 3 go out
The B mouths connection of hydraulic fluid port, the first two-way electro-hydraulic reversing valve 4, the hydraulic fluid port of the first kicker cylinder 9 and the hydraulic fluid port of third kicker cylinder 11, first
The oil inlet connection of the A mouths of two-way electro-hydraulic reversing valve 4, the B mouths of the second two-way electro-hydraulic reversing valve 8, backpressure overflow valve 5, accumulator
The hydraulic fluid port of group 7 is connected to the oil inlet of the A mouths of the second two-way electro-hydraulic reversing valve 8, accumulator group pressure limiting overflow valve 6, hydraulic pump 1
Inlet port, the oil outlet of electromagnetic relief valve 3, the oil outlet of backpressure overflow valve 5, the oil outlet of accumulator group pressure limiting overflow valve 6 are equal
It is connected to hydraulic oil container.
Referring to table 1, when hydraulic press is standby, electromagnetic relief valve 3, the first two-way electro-hydraulic reversing valve 4 in the utility model,
Second two-way electro-hydraulic reversing valve 8 is in power failure state.
Referring to table 1, when under slider of hydraulic press is fast, electromagnetic relief valve 3, the electro-hydraulic commutation of the first two-way in the utility model
Valve 4 is in power failure state, and the second two-way electro-hydraulic reversing valve 8 is in energized state.
Referring to table 1, under slider of hydraulic press is full（Work into）When, the electromagnetic relief valve the 3, the 1st in the utility model is powered
Liquid reversal valve 4, the second two-way electro-hydraulic reversing valve 8 are in power failure state.
Referring to table 1, when slider of hydraulic press backhaul, electromagnetic relief valve 3, the electro-hydraulic commutation of the first two-way in the utility model
Valve 4, the second two-way electro-hydraulic reversing valve 8 are in energized state.
Table 1 is the electromagnet action sequence list of the utility model.Table 1 is as follows,
| Electromagnetic relief valve | First two-way electro-hydraulic reversing valve | Second two-way electro-hydraulic reversing valve | |
| It is standby | - | - | - |
| Under fast | - | - | + |
| Under slow（Work into） | - | - | - |
| Backhaul | + | + | + |
"+" indicates to be powered；"-" indicates dead electricity.
Referring to figure 2-3, the hydraulic press fast next stage can be divided into fast lower 1 and fast lower 2 two sub-stages.Heavy line table in Fig. 2-5
Show running of hydraulic power oil direction.
Referring to Fig. 2, in hydraulic press lower 1 stage soon, the electromagnetic relief valve 3 in the utility model is in depressurization phase, and first
Two-way electro-hydraulic reversing valve 4, the second two-way electro-hydraulic reversing valve 8 are in connected state, from the first kicker cylinder 9, the second kicker cylinder 10,
The hydraulic oil interflow of third kicker cylinder 11 and the discharge of the 4th kicker cylinder 12 flows into accumulator group 7, and the utility model hydraulic system will
The gravitional force of slider of hydraulic press is converted into hydraulic energy and stores.
In hydraulic press lower 1 stage soon, with the increase of hydraulic oil reservoir storage in accumulator group 7, hydraulic oil in accumulator group 7
Pressure increase.
Referring to Fig. 3, in hydraulic press lower 2 stages soon, the electromagnetic relief valve 3 in the utility model is in depressurization phase, and first
Two-way electro-hydraulic reversing valve 4, the second two-way electro-hydraulic reversing valve 8 are in connected state, and the pressure of hydraulic oil is more than in accumulator group 7
The setting pressure of accumulator group pressure limiting overflow valve 6, from the first kicker cylinder 9, the second kicker cylinder 10, third kicker cylinder 11 and the 4th time
The hydraulic oil that journey cylinder 12 is discharged collaborates to flow back to hydraulic oil container from accumulator group pressure limiting overflow valve 6.
Referring to Fig. 4, in the case where hydraulic press is slow（Work into）Stage, the electromagnetic relief valve 3 in the utility model are in depressurization phase,
First two-way electro-hydraulic reversing valve 4 is in connected state, and the second two-way electro-hydraulic reversing valve 8 is in cut-off state, from the first kicker cylinder
9, the hydraulic oil of the second kicker cylinder 10, third kicker cylinder 11 and the discharge of the 4th kicker cylinder 12 collaborates to flow back to liquid from backpressure overflow valve 5
Pressure oil case.
Referring to Fig. 5, in the hydraulic press backhaul stage, the electromagnetic relief valve 3 in the utility model, which is in, holds pressure condition, and the one or two
Logical electro-hydraulic reversing valve 4 is in cut-off state, and the second two-way electro-hydraulic reversing valve 8 is in connected state, the hydraulic pressure exported from hydraulic pump 1
Oil enters the second kicker cylinder 10 and the 4th kicker cylinder 12, and the hydraulic oil discharged from accumulator group 7 enters the first kicker cylinder 9 and third
Kicker cylinder 11.
When hydraulic press backhaul, the first kicker cylinder 9 and third kicker cylinder 11 under the action of the hydraulic oil that accumulator group 7 discharges
The power of output counteracts the part gravity of sliding block assembly, and the Partial Power that driving sliding block assembly moves upwards is by accumulator group
7 provide, so under the same conditions compared with conventional hydraulic system of hydraulic machine, for driving in the utility model hydraulic system
The design rated pressure and installed power of the hydraulic pump 1 of kicker cylinder are smaller, especially in hydraulic press backhaul stage the utility model liquid
The actual energy consumption of pressure system is relatively low.
The pressure of electromagnetic relief valve 3 is set as：Second kicker cylinder 10 and the under the setting pressure effect of electromagnetic relief valve 3
The resultant force of four kicker cylinders 12 output is more than required maximum, force when slider of hydraulic press assembly backhaul.
The pressure of backpressure overflow valve 5 is set as：First kicker cylinder 9, second under the setting pressure effect of backpressure overflow valve 5
The resultant force of kicker cylinder 10, third kicker cylinder 11 and the output of the 4th kicker cylinder 12 is slightly larger than the weight that slider of hydraulic press assembly is subject to
Power.
The pressure of accumulator group pressure limiting overflow valve 6 is set as：Under the setting pressure effect of accumulator group pressure limiting overflow valve 6
First kicker cylinder 9, the second kicker cylinder 10, third kicker cylinder 11 and the resultant force of the 4th kicker cylinder 12 output are slightly less than slider of hydraulic press
The gravity that assembly is subject to.
Accumulator group 7 recycles the first kicker cylinder 9, the second kicker cylinder 10, third kicker cylinder 11 and when under hydraulic press is fast
The hydraulic oil of four kicker cylinders 12 discharge, the hydraulic pressure that accumulator group 7 is discharged in hydraulic press backhaul by be only supplied the first kicker cylinder 9 with
Third kicker cylinder 11 is more than sliding block total travel because of the structural parameters all same of all kicker cylinders meeting fast down stroke
Under conditions of half, the utility model can carry out to persistent loop the conversion, storage and release of energy, without individual
Oil-supplementing system.
Claims (6)
1. a kind of hydraulic press energy regenerating and sliding block weight balancing system, it is characterized in that：Including hydraulic pump（1）, check valve（2）、
Electromagnetic relief valve（3）, the first two-way electro-hydraulic reversing valve（4）, backpressure overflow valve（5）, accumulator group pressure limiting overflow valve（6）, accumulation of energy
Device group（7）, the second two-way electro-hydraulic reversing valve（8）, the first kicker cylinder（9）, the second kicker cylinder（10）, third kicker cylinder（11）With
Four kicker cylinders（12）, hydraulic pump（1）Oil outlet and check valve（2）Oil inlet, electromagnetic relief valve（3）Oil inlet connection,
4th kicker cylinder（12）Hydraulic fluid port and the second kicker cylinder（10）Hydraulic fluid port, check valve（2）Oil outlet, the electro-hydraulic commutation of the first two-way
Valve（4）B mouths connection, the first kicker cylinder（9）Hydraulic fluid port and third kicker cylinder（11）Hydraulic fluid port, the first two-way electro-hydraulic reversing valve
（4）A mouths, the second two-way electro-hydraulic reversing valve（8）B mouths, backpressure overflow valve（5）Oil inlet connection, accumulator group（7）Oil
Mouth and the second two-way electro-hydraulic reversing valve（8）A mouths, accumulator group pressure limiting overflow valve（6）Oil inlet connection, hydraulic pump（1）'s
Inlet port, electromagnetic relief valve（3）Oil outlet, backpressure overflow valve（5）Oil outlet, accumulator group pressure limiting overflow valve（6）Go out
Hydraulic fluid port is connected to hydraulic oil container.
2. a kind of hydraulic press energy regenerating according to claim 1 and sliding block weight balancing system, it is characterised in that：It is described
Electromagnetic relief valve（3）For open type, i.e., the described electromagnetic relief valve（3）Guide's solenoid directional control valve dead electricity when in depressurization phase,
The electromagnetic relief valve（3）Guide's solenoid directional control valve when being powered in holding pressure condition.
3. a kind of hydraulic press energy regenerating according to claim 1 and sliding block weight balancing system, it is characterised in that：It is described
First two-way electro-hydraulic reversing valve（4）For two-way normally open type, i.e., the described first two-way electro-hydraulic reversing valve（4）Guide's solenoid directional control valve
It is connected to B mouthfuls for A mouthfuls when dead electricity, the first two-way electro-hydraulic reversing valve（4）Guide's solenoid directional control valve when being powered A mouthful with B mouthfuls sections
Only.
4. a kind of hydraulic press energy regenerating according to claim 1 and sliding block weight balancing system, it is characterised in that：It is described
Second two-way electro-hydraulic reversing valve（8）For two-way closed type, i.e., the described second two-way electro-hydraulic reversing valve（8）Guide's solenoid directional control valve
End with B mouthfuls for A mouthfuls when dead electricity, the second two-way electro-hydraulic reversing valve（8）Guide's solenoid directional control valve be powered when A mouthful with B mouthfuls companies
It is logical.
5. a kind of hydraulic press energy regenerating according to claim 1 and sliding block weight balancing system, it is characterised in that：It is described
Accumulator group（7）It is hydraulic leather bag type accumulator group or hydraulic piston type accumulator.
6. a kind of hydraulic press energy regenerating according to claim 1 and sliding block weight balancing system, it is characterised in that：It is described
First kicker cylinder（9）, the second kicker cylinder（10）, third kicker cylinder（11）With the 4th kicker cylinder（12）Structure and size it is identical, peace
Holding position is symmetrical about center, first kicker cylinder（9）, the second kicker cylinder（10）, third kicker cylinder（11）With the 4th
Kicker cylinder（12）It is the hydraulic actuator of slider of hydraulic press backhaul, spatially first kicker cylinder（9）With the third backhaul
Cylinder（11）Diagonally arranged, described second kicker cylinder（10）With the 4th kicker cylinder（12）It is diagonally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721314465.XU CN207715484U (en) | 2017-10-12 | 2017-10-12 | A kind of hydraulic press energy regenerating and sliding block weight balancing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721314465.XU CN207715484U (en) | 2017-10-12 | 2017-10-12 | A kind of hydraulic press energy regenerating and sliding block weight balancing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207715484U true CN207715484U (en) | 2018-08-10 |
Family
ID=63063880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721314465.XU Expired - Fee Related CN207715484U (en) | 2017-10-12 | 2017-10-12 | A kind of hydraulic press energy regenerating and sliding block weight balancing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207715484U (en) |
-
2017
- 2017-10-12 CN CN201721314465.XU patent/CN207715484U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180815 Address after: 226503 Jiangsu Nantong Rugao North Road Park North Road (economic and Technological Development Zone Forging Industry Park) Patentee after: NANTONG METALFORMING EQUIPMENT Co.,Ltd. Address before: 226500 Jiangsu Nantong Rugao Economic Development Zone Forging Industry Park Patentee before: NANTONG FORGING EQUIPMENT Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180810 |