CN205243974U - Suppress hydraulic press hydraulic system fast - Google Patents
Suppress hydraulic press hydraulic system fast Download PDFInfo
- Publication number
- CN205243974U CN205243974U CN201520959369.5U CN201520959369U CN205243974U CN 205243974 U CN205243974 U CN 205243974U CN 201520959369 U CN201520959369 U CN 201520959369U CN 205243974 U CN205243974 U CN 205243974U
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Abstract
The utility model relates to a suppress hydraulic press hydraulic system fast. It includes the master cylinder, quick jar, the servo motor pump package, the energy storage ware, upper end in the middle of the master cylinder lower extreme link block, quick jar is equipped with respectively to slider both sides upper end, compress into the oil pipe way on the master cylinder under connecting, fast oil circuit is down connected to quick jar upper end, the return stroke oil circuit is connected to quick jar lower extreme, oil pipe way looks UNICOM is compressed into under with to fast oil circuit down, the prefill valve is equipped with to the master cylinder upper end, the oil tank is connected to the prefill valve upper end, servo motor pump package exit end is equipped with switching -over valve lower extreme, compress into oil pipe way and return stroke oil circuit on the switching -over valve under connecting, the energy storage ware passes through auxiliary pipeline and connects servo motor pump package exit end, the last proportional valve that is equipped with of auxiliary pipeline, auxiliary pipeline passes through the control piper and connects the prefill valve, first solenoid valve is equipped with on the control piper. The advantage realizes quick suppression, can not dispose too big installed power, and control accuracy is high, realize the flexibility open stop, pressure release control function, promote the quick functioning speed of slider.
Description
Technical field
The utility model relates to hydraulic system of hydraulic machine field, is specifically related to a kind of pressing hydraulic machine hydraulic system fast.
Background technology
Hydraulic press adopts motor to drive oil pump to suppress at a slow speed at present, for needing the fast press of pressing speed to need the very high installed power of configuration, the press of this similar technique often only just uses peak power being pressed into the last matched moulds stage, and therefore plant capacity efficiency is lower. Common press still uses ordinary three-phase synchronous as power source, although this motor working stability, life-span is longer, but its efficiency is lower, and also loss power in the time of idle loop, therefore do not meet the requirement of current energy-saving and emission-reduction, therefore adopt driven by servomotor to be a current main trend. Common press system mostly is switching value control, has larger response time delay and switching shock, adopts servo motor driven oil pump not have two problems above.
Summary of the invention
For the problems referred to above, the utility model proposes a kind of novel quick pressing hydraulic machine hydraulic system, can realize quick compacting, realize high-precision pressure, position closed loop control, can realize flexible start and stop, pressure release control function, can drive slide block to move up and down fast simultaneously.
The technical solution of the utility model is as follows:
A kind of pressing hydraulic machine hydraulic system fast, it comprises master cylinder, fast cylinder, servomotor pump group, accumulator, magnetic valve, reversal valve, slide block, upper end in the middle of the connection sliding block of master cylinder lower end, fast cylinder is equipped with respectively in upper end, slide block both sides, the connection of master cylinder upper end presses down in-line, fast cylinder upper end connects fast lower oil circuit, fast cylinder lower end connects backhaul oil circuit, descend soon oil circuit and press down in-line to be connected, prefill valve is equipped with in master cylinder upper end, prefill valve upper end connects fuel tank, the servomotor pump group port of export is equipped with reversal valve lower end, the connection of reversal valve upper end presses down in-line and backhaul oil circuit, accumulator connects the servomotor pump group port of export by auxiliary piping, proportioning valve is housed on auxiliary piping, auxiliary piping connects prefill valve by control piper, the first magnetic valve is housed on control piper.
Described pressing down is equipped with inlet valve on in-line.
On described backhaul oil circuit, sutaining valve is housed.
Between described servomotor pump group and auxiliary piping, check valve is housed, the servomotor pump group port of export is equipped with safety valve, the servomotor pump group port of export connect by branch line and branch line on the second magnetic valve is housed.
Described backhaul oil circuit and press down between in-line different valve is housed, different valve connects the 3rd magnetic valve by oil circuit control, and the 3rd magnetic valve connects inlet valve by oil circuit control, and the 3rd magnetic valve connects backhaul oil circuit by oil circuit control.
Advantage and the practical function that the utlity model has are: can either realize quick compacting, can not configure again excessive installed power, control accuracy is high, can realize flexible start and stop, pressure release control function simultaneously, promote the quick speed of service of slide block. Native system has obvious energy-saving and noise-reducing effect, enhances productivity, and ensures Product Precision and quality.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model.
Detailed description of the invention
With reference to accompanying drawing 1, a kind of pressing hydraulic machine hydraulic system fast, it comprises master cylinder 1, fast cylinder 2, servomotor pump group 3, accumulator 4, reversal valve 5, slide block 6, upper end in the middle of master cylinder 1 lower end connection sliding block 6, fast cylinder 2 is equipped with respectively in slide block 6 upper ends, both sides, master cylinder 1 upper end connection presses down in-line 7, fast cylinder 2 upper ends connect fast lower oil circuit 8, fast cylinder 2 lower ends connect backhaul oil circuit 9, descend soon oil circuit 8 and press down in-line 7 to be connected, prefill valve 10 is equipped with in master cylinder 1 upper end, prefill valve 10 upper ends connect fuel tank 21, servomotor pump group 3 ports of export are equipped with reversal valve 5 lower ends, reversal valve 5 upper ends connections press down in-line 7 and backhaul oil circuit 9, accumulator 4 connects servomotor pump group 3 ports of export by auxiliary piping 11, proportioning valve 12 is housed on auxiliary piping 11, auxiliary piping 11 connects prefill valve 10 by control piper 13, the first magnetic valve 14 is housed on control piper 13. described pressing down is equipped with inlet valve 15 on in-line 7. on described backhaul oil circuit 9, sutaining valve 16 is housed. between described servomotor pump group 3 and auxiliary piping 11, check valve 17 is housed, servomotor pump group 3 ports of export are equipped with safety valve 18, servomotor pump group 3 ports of export connect by branch line and branch line on the second magnetic valve 19 is housed. described backhaul oil circuit and press down different valve 22 is housed between in-line, different valve 22 connects the 3rd magnetic valve 20 by oil circuit control, the 3rd magnetic valve 20 connects inlet valve 15, the three magnetic valves 20 by oil circuit control and connects backhaul oil circuit 9 by oil circuit control. servomotor pump group 3 entrance points connect fuel tank 21, and safety valve 18 ports of export connect fuel tank 21. in slide block 6 one side hydropress frames, displacement transducer 23 is housed.
When the utility model uses, in the time that hydraulic press needs quick compacted products, reversal valve YA1, YA3 action, servomotor pump group is passed through inlet valve hydraulic oil by reversal valve, enter into fast cylinder, fast cylinder cavity of resorption oil extraction simultaneously enters into fast cylinder epicoele through different valve 20 and realizes differential descending fast, in the time starting compacted products, YA3 power-off, proportioning valve 12 moves, the hydraulic oil of accumulator is discharged, the flow pressure auxiliary servo motor pump group oil-feed discharging, accelerate oil-feed speed, thereby realize quick compacted products, the oil-feed of fast cylinder upper end, lower end oil return, sutaining valve action is opened, oil return was entered reversal valve through backhaul oil circuit by sutaining valve again and was entered fuel tank, while finally realizing matched moulds, close in advance accumulator proportioning valve, opens solenoid valve YA5, realizes the closed-loop control of master cylinder high-precision pressure, in the time that hydraulic press needs backhaul, reversal valve YA2 action, servomotor pump group is passed through hydraulic oil the check valve of sutaining valve one side by reversal valve, be transported to the lower end of fast cylinder through return line, the oil return simultaneously of master cylinder and fast cylinder, the oil return of fast cylinder upper end, oil return enters fuel tank through too fast lower pipeline and reversal valve, when master cylinder oil return, the first magnetic valve YA4 action control oil circuit is opened equalizer valve, and the hydraulic oil in master cylinder directly enters in fuel tank, in the time that hydraulic press stops, servomotor pump group is carried out pressurising to accumulator, and when energy storage tank is full of after pressure, proportioning valve cuts out, and accumulator pressurize is in order to used next time.
Claims (5)
1. a quick pressing hydraulic machine hydraulic system, it is characterized in that it comprises master cylinder, fast cylinder, servomotor pump group, accumulator, magnetic valve, reversal valve, slide block, upper end in the middle of the connection sliding block of master cylinder lower end, fast cylinder is equipped with respectively in upper end, slide block both sides, the connection of master cylinder upper end presses down in-line, fast cylinder upper end connects fast lower oil circuit, fast cylinder lower end connects backhaul oil circuit, descend soon oil circuit and press down in-line to be connected, prefill valve is equipped with in master cylinder upper end, prefill valve upper end connects fuel tank, the servomotor pump group port of export is equipped with reversal valve lower end, the connection of reversal valve upper end presses down in-line and backhaul oil circuit, accumulator connects the servomotor pump group port of export by auxiliary piping, proportioning valve is housed on auxiliary piping, auxiliary piping connects prefill valve by control piper, the first magnetic valve is housed on control piper.
2. quick pressing hydraulic machine hydraulic system according to claim 1, is characterized in that described pressing down be equipped with inlet valve on in-line.
3. quick pressing hydraulic machine hydraulic system according to claim 1, is characterized in that, on described backhaul oil circuit, sutaining valve is housed.
4. quick pressing hydraulic machine hydraulic system according to claim 1, it is characterized in that, between described servomotor pump group and auxiliary piping, check valve is housed, the servomotor pump group port of export is equipped with safety valve, the servomotor pump group port of export connect by branch line and branch line on the second magnetic valve is housed.
5. quick pressing hydraulic machine hydraulic system according to claim 1, it is characterized in that described backhaul oil circuit and press down different valve is housed between in-line, different valve connects the 3rd magnetic valve by oil circuit control, the 3rd magnetic valve connects inlet valve by oil circuit control, and the 3rd magnetic valve connects backhaul oil circuit by oil circuit control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520959369.5U CN205243974U (en) | 2015-11-27 | 2015-11-27 | Suppress hydraulic press hydraulic system fast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520959369.5U CN205243974U (en) | 2015-11-27 | 2015-11-27 | Suppress hydraulic press hydraulic system fast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205243974U true CN205243974U (en) | 2016-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520959369.5U Expired - Fee Related CN205243974U (en) | 2015-11-27 | 2015-11-27 | Suppress hydraulic press hydraulic system fast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205243974U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298945A (en) * | 2015-11-27 | 2016-02-03 | 南通锻压设备股份有限公司 | Hydraulic system of quick pressing type hydraulic press |
| CN106481601A (en) * | 2016-08-17 | 2017-03-08 | 杨云仙 | Single-layer hot press hydraulic system |
| CN111706559A (en) * | 2020-07-08 | 2020-09-25 | 天津市天锻压力机有限公司 | Quick stamping hydraulic system |
| CN114483680A (en) * | 2022-01-20 | 2022-05-13 | 佛山市玛盛机械科技有限公司 | Large-tonnage metal hot forging forming equipment with hydraulic energy storage function |
| CN115383026A (en) * | 2022-09-23 | 2022-11-25 | 青岛三维汽车装备有限公司 | Quick blank-making hydraulic press for ring segments |
-
2015
- 2015-11-27 CN CN201520959369.5U patent/CN205243974U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298945A (en) * | 2015-11-27 | 2016-02-03 | 南通锻压设备股份有限公司 | Hydraulic system of quick pressing type hydraulic press |
| CN106481601A (en) * | 2016-08-17 | 2017-03-08 | 杨云仙 | Single-layer hot press hydraulic system |
| CN111706559A (en) * | 2020-07-08 | 2020-09-25 | 天津市天锻压力机有限公司 | Quick stamping hydraulic system |
| CN114483680A (en) * | 2022-01-20 | 2022-05-13 | 佛山市玛盛机械科技有限公司 | Large-tonnage metal hot forging forming equipment with hydraulic energy storage function |
| CN114483680B (en) * | 2022-01-20 | 2024-01-05 | 佛山市玛盛机械科技有限公司 | Large-tonnage metal hot forging forming equipment with hydraulic energy storage function |
| CN115383026A (en) * | 2022-09-23 | 2022-11-25 | 青岛三维汽车装备有限公司 | Quick blank-making hydraulic press for ring segments |
| CN115383026B (en) * | 2022-09-23 | 2024-09-24 | 青岛三维汽车装备有限公司 | Quick ring section embryo making hydraulic press |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20191127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |