CN220539986U - Press hydraulic system for extrusion molding of automobile stabilizer bar - Google Patents
Press hydraulic system for extrusion molding of automobile stabilizer bar Download PDFInfo
- Publication number
- CN220539986U CN220539986U CN202322140210.8U CN202322140210U CN220539986U CN 220539986 U CN220539986 U CN 220539986U CN 202322140210 U CN202322140210 U CN 202322140210U CN 220539986 U CN220539986 U CN 220539986U
- Authority
- CN
- China
- Prior art keywords
- valve block
- valve
- hydraulic system
- way
- pump
- 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
- 239000003381 stabilizer Substances 0.000 title claims abstract description 19
- 238000001125 extrusion Methods 0.000 title claims abstract description 18
- 239000003921 oil Substances 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Landscapes
- Fluid-Pressure Circuits (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The utility model discloses a hydraulic system of a press for extrusion molding of an automobile stabilizer bar, which comprises an oil tank and a first motor, wherein the first motor drives a duplex plunger pump, the duplex plunger pump comprises a main pump and a rear pump, a first logic valve block, a second logic valve block and a quadruple superposition valve block are connected on hydraulic oil paths of the main pump and the rear pump, and an energy accumulator valve group is connected on oil inlet paths of the first logic valve block and the second logic valve block. The hydraulic system of the press for extrusion molding of the automobile stabilizer bar adopts the high-performance proportional valve, the pressure sensors are respectively arranged in the rod cavity and the rodless cavity of the oil cylinder, the stability of product molding can be well ensured by a closed-loop control technology of pressure, and the failure rate is low. The hydraulic station has the advantages of constant power control, pressure closed-loop control, impact absorption of the energy accumulator and the like, and the liquid level and the temperature are both provided with safety protection, so that the medium temperature is ensured to be in a controllable range, and the safety coefficient is high.
Description
Technical Field
The utility model relates to the technical field of extrusion molding of automobile stabilizer bars, in particular to a hydraulic system of a press for extrusion molding of automobile stabilizer bars.
Background
The press is a device applied to automobile parts, and is mainly used for extruding the head of an automobile stabilizer bar into a flat shape, cutting and punching the head, and facilitating the connection of automobile assembly. The press production process is continuous 24h full-automatic operation, equipment is required to be used stably, the energy efficiency is the lowest, the existing press hydraulic system does not have pressure detection at a pressure output point, closed-loop control of pressure cannot be realized, the stability of the pressure cannot be ensured, the failure rate is higher, the qualification rate is low, the energy consumption is high, quick and high-pressure switching cannot be realized, and the production efficiency is low.
Disclosure of Invention
In view of the problems existing in the prior art, the utility model aims to provide a hydraulic system of a press for extrusion molding of an automobile stabilizer bar, which realizes closed-loop control of pressure and ensures stability of the pressure.
In order to achieve the above object, the present utility model adopts the following technical scheme: a press hydraulic system for extrusion of automotive stabilizer bars, comprising: the hydraulic oil pump comprises an oil tank, wherein a first motor is arranged on the oil tank, the first motor drives a duplex plunger pump, the duplex plunger pump comprises a main pump and a rear pump, a hydraulic oil pipeline of the main pump and the rear pump is connected with a first logic valve block, a second logic valve block and a quadruple superposition valve block, the quadruple superposition valve block is externally connected with an execution oil cylinder of a press, oil inlet pipelines of the first logic valve block and the second logic valve block are respectively connected with an energy accumulator valve group, and the energy accumulator valve groups are connected with an energy accumulator, a first pressure sensor and a pressure gauge.
As a preferable scheme of the utility model, the four-way superposition valve block comprises a one-way valve block, a two-way valve block, a three-way valve block and a four-way valve block, wherein the one-way valve block comprises a first reversing valve, a proportional valve and a balance valve; the double-joint valve block comprises a pressure reducing valve, a first one-way throttle valve, a hydraulic control one-way valve and a second reversing valve; the triple valve block comprises a third reversing valve; the four-way valve block comprises a fourth reversing valve.
As a preferable scheme of the utility model, a second pressure sensor is connected between the one-way valve block and the execution cylinder; and second one-way throttle valves are respectively connected between the triple valve block and the execution oil cylinder and between the quadruple valve block and the execution oil cylinder.
As a preferable mode of the present utility model, the oil outlet passage of the main pump is connected to a pressure regulating valve block.
As a preferable mode of the utility model, the oil outlet of the rear pump is connected with an overflow valve block.
As a preferable mode of the utility model, the oil tank is provided with a liquid level meter, a temperature sensor and an air filter.
As a preferred scheme of the utility model, the oil tank is connected with a cooling circuit, and the cooling circuit comprises a second motor, a screw pump driven by the second motor, an overflow valve, a filter and a water cooler which are sequentially connected.
By adopting the technical scheme, the utility model has the following beneficial effects:
the hydraulic system of the press for extrusion molding of the automobile stabilizer bar adopts the high-performance proportional valve, the pressure sensors are respectively arranged in the rod cavity and the rodless cavity of the oil cylinder, the stability of product molding can be well ensured by a closed-loop control technology of pressure, and the failure rate is low. And the high-pressure and low-pressure switching is realized by adopting the high-displacement constant-power plunger pump which is connected in series with the high-pressure and low-displacement plunger pump, so that the energy consumption is reduced. The control valve is provided with a valve core position detection device, the valve core action is monitored in real time, and the control valve can be fed back rapidly when the control valve action is abnormal, so that the safety of equipment is ensured. The hydraulic station is provided with a constant power control device, a pressure closed-loop control device, an energy accumulator for absorbing impact and a valve core position detection device arranged on a control valve, wherein the liquid level and the temperature are both provided with safety protection, the medium temperature is ensured to be in a controllable range, and the safety coefficient is high.
Drawings
FIG. 1 is a schematic diagram of a hydraulic system of the present utility model;
FIG. 2 is an enlarged view of a portion of the hydraulic system principle of the present utility model;
FIG. 3 is a schematic diagram of an accumulator valve manifold of the present utility model;
FIG. 4 is a schematic diagram of a four-way stacked valve block of the present utility model;
FIG. 5 is a schematic diagram of a cooling circuit of the present utility model;
FIG. 6 is a first schematic view of the overall structure of the hydraulic system of the present utility model;
fig. 7 is a second schematic diagram of the overall structure of the hydraulic system of the present utility model.
In the figure: 1. an oil tank; 2. a first motor; 3. a main pump; 4. a rear pump; 5. a pressure regulating valve block; 6. an overflow valve block; 7. an accumulator valve block; 8. a first logic valve block; 9. a second logic valve block; 10. a quadruple superposition valve block; 11. a cooling circuit; 12. an accumulator; 13. a first pressure sensor; 14. a pressure gauge; 15. a first reversing valve; 16. a proportional valve; 17. a balancing valve; 18. executing an oil cylinder; 19. a second pressure sensor; 20. a first one-way throttle valve; 21. a hydraulically controlled one-way valve; 22. a second reversing valve; 23. a third reversing valve; 24. a fourth reversing valve; 25. a second one-way throttle valve; 26. a second motor; 27. a screw pump; 28. an overflow valve; 29. a filter; 30. a water cooler; 31. a pressure reducing valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1
As shown in fig. 1 to 7, a specific embodiment of a hydraulic press system for extrusion molding of an automotive stabilizer bar according to the present utility model includes: the hydraulic oil pump comprises an oil tank 1, wherein a first motor 2 is arranged on the oil tank 1, the first motor 2 drives a duplex plunger pump, the duplex plunger pump comprises a main pump 3 and a rear pump 4 which are mutually connected in series, an oil outlet path of the main pump 3 is connected with a pressure regulating valve block 5, an oil outlet path of the rear pump 4 is connected with an overflow valve block 6, hydraulic oil paths of the main pump 3 and the rear pump 4 are connected with a first logic valve block 8, a second logic valve block 9 and a quadruple superposition valve block 10, the quadruple superposition valve block 10 is externally connected with an execution cylinder 18 of a press, the quadruple superposition valve block 10 comprises a coupling valve block, a duplex valve block, a triple valve block and a quadruple valve block, and the coupling valve block comprises a first reversing valve 15, a proportional valve 16 and a balance valve 17; the double-joint valve block comprises a pressure reducing valve 31, a first one-way throttle valve 20, a hydraulic control one-way valve 21 and a second reversing valve 22; the triple valve block comprises a third reversing valve 23; the four-way valve block comprises a fourth reversing valve 24, the oil inlet paths of the first logic valve block 8 and the second logic valve block 9 are respectively connected with an energy accumulator valve group 7, and the energy accumulator valve groups 7 are connected with an energy accumulator 12, a first pressure sensor 13 and a pressure gauge 14;
the high-displacement constant-power plunger pump, namely the main pump, is adopted, and the high-pressure small-displacement plunger pump, namely the rear pump, is connected in series, so that the rapid and high-pressure switching is realized, the energy consumption is reduced, and the equipment safety is ensured.
A second pressure sensor 19 is connected between the one-way valve block and the execution cylinder 18; the second one-way throttle valves 25 are respectively connected between the triple valve block and the execution oil cylinder 18 and between the quadruple valve block and the execution oil cylinder 18, and the second pressure sensors 19 are respectively arranged in the rod cavity and the rodless cavity of the execution oil cylinder 18 to compare the pressure value with a set value, and the comparison result is transmitted to the control device to high and low the compensation, so that the pressure is kept constant, and the closed-loop control of the pressure is realized.
Install level gauge, temperature sensor and air cleaner on the oil tank 1, still be connected with cooling circuit 11 on the oil tank 1, cooling circuit 11 is including installing second motor 26 on the oil tank 1, second motor 26 driven screw pump 27 and overflow valve 28, filter 29 and water cooler 30 that connect gradually, set up safety protection to liquid level and temperature through level gauge, temperature sensor etc. and cool off through cooling circuit fluid, guarantee that the medium temperature is in controllable within range.
The working principle of the utility model is as follows: according to the hydraulic system of the press for extrusion molding of the automobile stabilizer bar, the pressure sensors are respectively arranged in the rod cavity and the rodless cavity of the execution oil cylinder 18, the pressure value is compared with the set value, the comparison result is transmitted to the control device, the compensation is high and low, the pressure is kept constant, the closed-loop control of the pressure is realized, the stability of product molding can be well ensured, the failure rate is reduced, the high-displacement constant-power plunger pump, namely the main pump 3, the high-pressure small-displacement plunger pump, namely the rear pump 4, is connected in series, the rapid and high-pressure switching is realized, the energy consumption is reduced, the safety of equipment is ensured, the energy accumulator 12 can absorb impact, the safety protection is set for the liquid level and the temperature through the liquid level gauge, the temperature sensor and the like, the oil cooling is carried out through the cooling loop 11, and the temperature of a medium is ensured to be in a controllable range.
The components herein are all common standard components or components known to those skilled in the art, and the structures and principles thereof are known by those skilled in the art through technical manuals or through routine experimental methods, so that they are not described herein.
Although the specific embodiments of the present utility model have been described in detail, the present utility model is not limited to the above embodiments, and various changes and modifications without inventive labor may be made within the scope of the present utility model without departing from the spirit of the present utility model, which is within the scope of the present utility model.
Claims (7)
1. A press hydraulic system for extrusion of automotive stabilizer bars, comprising: the oil tank (1), install first motor (2), its characterized in that on oil tank (1): the dual plunger pump comprises a main pump (3) and a rear pump (4), wherein a first logic valve block (8), a second logic valve block (9) and a four-way superposition valve block (10) are connected to hydraulic oil paths of the main pump (3) and the rear pump (4), an execution cylinder (18) of an external press of the four-way superposition valve block (10) is connected, an energy accumulator valve group (7) is connected to oil inlet paths of the first logic valve block (8) and the second logic valve block (9), and an energy accumulator (12), a first pressure sensor (13) and a pressure gauge (14) are connected to the energy accumulator valve group (7).
2. A press hydraulic system for extrusion of automotive stabilizer bars according to claim 1, characterized in that: the four-way superposition valve block (10) comprises a one-way valve block, a two-way valve block, a three-way valve block and a four-way valve block, and the one-way valve block comprises a first reversing valve (15), a proportional valve (16) and a balance valve (17); the double-joint valve block comprises a pressure reducing valve (31), a first one-way throttle valve (20), a hydraulic control one-way valve (21) and a second reversing valve (22); the triple valve block comprises a third reversing valve (23); the four-way valve block includes a fourth reversing valve (24).
3. A press hydraulic system for extrusion of automotive stabilizer bars according to claim 2, characterized in that: a second pressure sensor (19) is connected between the one-way valve block and the execution cylinder (18); and a second one-way throttle valve (25) is connected between the triple valve block and the execution oil cylinder (18) and between the quadruple valve block and the execution oil cylinder (18).
4. A press hydraulic system for extrusion of automotive stabilizer bars according to claim 1, characterized in that: an oil outlet of the main pump (3) is connected with a pressure regulating valve block (5).
5. A press hydraulic system for extrusion of automotive stabilizer bars according to claim 1, characterized in that: an oil outlet path of the rear pump (4) is connected with an overflow valve block (6).
6. A press hydraulic system for extrusion of automotive stabilizer bars according to claim 1, characterized in that: the oil tank (1) is provided with a liquid level meter, a temperature sensor and an air filter.
7. A press hydraulic system for extrusion of automotive stabilizer bars according to claim 1, characterized in that: the oil tank (1) is connected with a cooling loop (11), and the cooling loop (11) comprises a second motor (26) arranged on the oil tank (1), a screw pump (27) driven by the second motor (26), and an overflow valve (28), a filter (29) and a water cooler (30) which are connected in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322140210.8U CN220539986U (en) | 2023-08-09 | 2023-08-09 | Press hydraulic system for extrusion molding of automobile stabilizer bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322140210.8U CN220539986U (en) | 2023-08-09 | 2023-08-09 | Press hydraulic system for extrusion molding of automobile stabilizer bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220539986U true CN220539986U (en) | 2024-02-27 |
Family
ID=89963058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322140210.8U Active CN220539986U (en) | 2023-08-09 | 2023-08-09 | Press hydraulic system for extrusion molding of automobile stabilizer bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220539986U (en) |
-
2023
- 2023-08-09 CN CN202322140210.8U patent/CN220539986U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102226453B (en) | Dual-redundancy electro hydraulic servo actuator | |
| CN108757624B (en) | Differential speed-increasing circuit of oil cylinder overflow valve | |
| CN103644151A (en) | Energy-conservation and low-impact hydraulic cylinder test testbed hydraulic control system | |
| JP6648284B2 (en) | High-speed hydraulic forging press | |
| CN101865184A (en) | Direct-drive redundant hydraulic system for servomotor | |
| CN103775442A (en) | Pump-controlled power recovery hydraulic control system of hydraulic cylinder testing test stand | |
| CN105351293B (en) | A kind of energy-recuperation system of passive volume synchronization system | |
| CN201475067U (en) | Multi-pump combined control hydraulic power system based on servo motor control | |
| CN107882791B (en) | Multiple cylinders press hydraulic control system and its control method | |
| CN113417896B (en) | Pump-controlled hydraulic system of press machine and control method thereof | |
| CN220539986U (en) | Press hydraulic system for extrusion molding of automobile stabilizer bar | |
| CN201461603U (en) | Hydraulic control device of oil motive | |
| CN204200727U (en) | Axial plunger variable motor hydraulic speed regulation loop system | |
| CN201650941U (en) | Unidirectional and quick-retracting battery solution servo system | |
| CN115042402A (en) | Pre-molding back pressure control method of hydraulic injection molding machine | |
| CN203430911U (en) | Pressure maintaining system for hydraulic machine | |
| CN203051023U (en) | Temperature-difference booster pump | |
| CN108266413B (en) | Asymmetric electro-hydrostatic actuator based on pressure selection valve | |
| CN219413079U (en) | Novel four-cylinder hydraulic lifting synchronous control system | |
| CN217873564U (en) | Cartridge valve composite hydraulic system for driving supercritical CO2 compressor | |
| CN215830820U (en) | Energy-saving control system of hydraulic station | |
| CN204493301U (en) | Based on the multi executors heavy duty digital hydraulic loop in high-pressure common rail cabin | |
| CN113529842B (en) | Excavator movable arm energy recovery system based on pressure variable energy accumulator | |
| CN219587875U (en) | Hydraulic system for vibration reduction and engineering machinery | |
| CN217152457U (en) | Automatic pressurization system for high-pressure cleaning of food container |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |