CN112728412B - Full-isolation type emulsion system of liquid-filling forming hydraulic machine - Google Patents
Full-isolation type emulsion system of liquid-filling forming hydraulic machine Download PDFInfo
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- CN112728412B CN112728412B CN202011414229.1A CN202011414229A CN112728412B CN 112728412 B CN112728412 B CN 112728412B CN 202011414229 A CN202011414229 A CN 202011414229A CN 112728412 B CN112728412 B CN 112728412B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/14—Conveying liquids or viscous products by pumping
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
Abstract
The invention belongs to the technical field of liquid-filling forming hydraulic machines, and particularly relates to a full-isolation type emulsion system of a liquid-filling forming hydraulic machine. The invention provides a full-isolation type emulsion system of a liquid-filling forming hydraulic machine, which completely isolates an ultrahigh-pressure emulsion module from a low-pressure quick liquid-supplementing module, can prevent a working medium containing impurities in a liquid-filling forming die from entering an ultrahigh-pressure source, and simultaneously reduces the dosage of emulsion of the low-pressure quick liquid-supplementing module and the precision requirement of emulsion circulating filtration.
Description
Technical Field
The invention belongs to the technical field of liquid-filling forming hydraulic machines, and particularly relates to a full-isolation type emulsion system of a liquid-filling forming hydraulic machine.
Background
The prior art and the defects are as follows:
at present, a liquid-filled forming hydraulic machine is a typical high-end forming device, is suitable for the industrial fields of aerospace, automobiles and the like, can process difficult-to-form materials such as aerospace materials or high-strength materials and the like in the field, and meets the production requirements of forming precision and forming quality. The low-pressure flexible forming medium and the ultrahigh-pressure flexible forming medium are provided for the die, a set of emulsion circulating system is adopted, a large amount of emulsion needs to be prepared in proportion, and the emulsion is easy to deteriorate and smell if the emulsion circulating system is not used for a long time and is high in cost when wastewater treatment is carried out; in addition, because the working pressure of the ultrahigh pressure source is very high, the requirement on the cleanliness of the emulsion is high, the system is required to have high filtering precision, the cost is increased, and if the filter element is not replaced timely in the actual use process, impurities in the recycled emulsion easily enter the ultrahigh pressure source to cause faults, so that the long-term stable operation and the production efficiency of equipment are seriously influenced.
The difficulty and significance for solving the technical problems are as follows:
therefore, based on the problems, the fully-isolated emulsion system of the hydraulic forming machine is provided, the ultrahigh-pressure emulsion module and the low-pressure quick liquid supplementing module are completely isolated, a working medium containing impurities in a liquid-filling forming die can be prevented from entering an ultrahigh-pressure source, the dosage of the emulsion of the low-pressure quick liquid supplementing module is reduced, and the precision requirement of emulsion circulating filtration is lowered.
Disclosure of Invention
The invention aims to provide a full-isolation type emulsion system of a liquid-filling forming hydraulic machine for solving the technical problems in the prior art, which completely isolates an ultrahigh pressure emulsion module from a low-pressure quick liquid-supplementing module, can prevent a working medium containing impurities in a liquid-filling forming die from entering the ultrahigh pressure source, and simultaneously reduces the emulsion dosage of the low-pressure quick liquid-supplementing module and the precision requirement of emulsion circulating filtration.
The technical scheme adopted by the invention for solving the technical problems in the prior art is as follows:
a full-isolation type emulsion system of a liquid-filling forming hydraulic machine comprises a liquid purifying tank, a circulating pump A, a circulating pump B, a circulating pump C, an ultrahigh-pressure one-way valve A, an ultrahigh-pressure one-way valve B, an ultrahigh-pressure one-way valve C, an ultrahigh-pressure source, a liquid collecting tank, a filter A, a filter B, a filter tank, a liquid collecting device and a liquid-filling forming die, wherein an outlet of the liquid purifying tank is connected with an inlet of the circulating pump A, an outlet of the circulating pump A is connected with an inlet of the ultrahigh-pressure one-way valve A, an outlet of the ultrahigh-pressure one-way valve A is connected with an inlet of the ultrahigh-pressure source, an outlet of the ultrahigh-pressure source is connected with an inlet of the ultrahigh-pressure one-way valve B, and an outlet of the ultrahigh-pressure one-way valve B is connected with an ultrahigh-pressure inlet of the liquid-filling forming die; the emulsion medium of topping-up forming die overflow passes through the collection liquid device and collects, the exit of collection liquid device and the access connection of collection liquid tank, the exit and circulating pump B's access connection of collection liquid tank, circulating pump B's export and filter A's access connection, filter A's export and the access connection of filtrate case, the export and circulating pump C's the access connection of filtrate case, circulating pump C's export and filter B's access connection, filter B's export and superhigh pressure check valve C access connection, superhigh pressure check valve C's export and topping-up forming die's low pressure access connection.
The ultrahigh pressure source outlet is isolated from the liquid filling forming die through an ultrahigh pressure one-way valve B; the ultrahigh-pressure emulsion module only injects emulsion with brand-new configuration into the ultrahigh-pressure source through the liquid purification box; the low-pressure quick fluid infusion module filtrate tank is completely isolated from the ultrahigh-pressure emulsion module liquid purification tank; the low-pressure quick liquid supplementing module can recycle the emulsion in the die.
In conclusion, the invention has the following advantages and positive effects:
1. the invention adopts a modularized design idea to divide an emulsion system into two completely isolated modules, namely a low-pressure rapid liquid supplementing module and an ultrahigh-pressure emulsion module. The emulsion of the ultrahigh-pressure emulsion system module entering the ultrahigh-pressure cavity of the ultrahigh-pressure source through the liquid purifying box is completely configured, the requirement of the ultrahigh-pressure source on the cleanness of the emulsion is completely met, and meanwhile, the ultrahigh-pressure source outlet is isolated from the liquid filling forming die through the ultrahigh-pressure one-way valve B, so that the working medium containing impurities in the die cannot enter the ultrahigh-pressure source to cause the pulling damage and other faults of a piston rod and an ultrahigh-pressure sealing ring of the ultrahigh-pressure source, and the ultrahigh-pressure source can stably run for a long time; in addition, the working medium in the low-pressure quick fluid infusion module does not enter the ultrahigh-pressure source, the requirement of no related lubrication is only used as a force transmission medium, pure water can be used for replacing emulsion, and the precision requirement of circulating filtration on the recovered emulsion can be greatly reduced, so that the production cost is reduced, and the pollution of excessive emulsion to the environment is also reduced.
Drawings
Fig. 1 is a hydraulic schematic diagram of a preferred embodiment of the present invention.
In the figure:
1. a liquid purification tank; 2. a circulating pump A; 3. an ultrahigh pressure check valve A; 4. an ultra-high pressure source; 5. a liquid collection tank; 6. a filter A; 7. a filtrate tank; 8. a liquid collecting device; 9. a liquid-filled forming die; 10. an ultrahigh pressure check valve B; 11. a circulating pump B; 12. a circulating pump C; 13. a filter B; 14. superhigh pressure check valve C.
Detailed Description
The present invention will be specifically described with reference to fig. 1.
For a further understanding of the invention, its nature and utility, reference should be made to the following examples, taken in conjunction with the accompanying drawings, in which:
the first embodiment is as follows:
a full-isolation type emulsion system of a liquid-filling forming hydraulic machine comprises a liquid purifying tank, a circulating pump A, a circulating pump B, a circulating pump C, an ultrahigh-pressure one-way valve A, an ultrahigh-pressure one-way valve B, an ultrahigh-pressure one-way valve C, an ultrahigh-pressure source, a liquid collecting tank, a filter A, a filter B, a liquid filtering tank, a liquid collecting device and a liquid-filling forming die, wherein an outlet of the liquid purifying tank is connected with an inlet of the circulating pump A, an outlet of the circulating pump A is connected with an inlet of the ultrahigh-pressure one-way valve A, an outlet of the ultrahigh-pressure one-way valve A is connected with an inlet of the ultrahigh-pressure source, an outlet of the ultrahigh-pressure source is connected with an inlet of the ultrahigh-pressure one-way valve B, and an outlet of the ultrahigh-pressure one-way valve B is connected with an ultrahigh-pressure inlet of the liquid-filling forming die; the emulsion medium of topping-up forming die overflow passes through the collection liquid device and collects, the exit of collection liquid device and the access connection of collection liquid tank, the exit and circulating pump B's access connection of collection liquid tank, circulating pump B's export and filter A's access connection, filter A's export and the access connection of filtrate case, the export and circulating pump C's the access connection of filtrate case, circulating pump C's export and filter B's access connection, filter B's export and superhigh pressure check valve C access connection, superhigh pressure check valve C's export and topping-up forming die's low pressure access connection.
The ultrahigh pressure source outlet is isolated from the liquid filling forming die through an ultrahigh pressure one-way valve B; the ultrahigh-pressure emulsion module only injects emulsion with brand new configuration into the ultrahigh-pressure source through the liquid purifying box; the low-pressure rapid fluid infusion module filtrate tank is completely isolated from the ultrahigh-pressure emulsion module liquid purification tank; the low-pressure quick fluid infusion module can recycle the emulsion in the mould.
The working process is as follows:
firstly, pure water is filled into the filtrate tank to a specified volume, and emulsion with a certain proportion is filled into the clear liquid tank to the specified volume. Before the die assembly of the press, emulsion in a liquid purifying tank is conveyed through a circulating pump A and an ultrahigh pressure one-way valve A to fill an ultrahigh pressure cavity of an ultrahigh pressure source; after a press is assembled, the mold starts to work, firstly, rapid water supplement is carried out in the mold through a circulating pump C, a filter B and an ultrahigh-pressure one-way valve C, then ultrahigh-pressure emulsion medium is conveyed into the mold through an ultrahigh-pressure source and the ultrahigh-pressure one-way valve B to complete part forming, the emulsion overflowing from the mold is collected through a liquid collecting device and then is collected into a liquid collecting box, and the emulsion collected in the liquid collecting box enters a filtrate box through the circulating pump B and the filter A to wait for reuse of the next working cycle.
In summary, the invention provides a fully isolated emulsion system of a hydromechanical forming hydraulic machine, which completely isolates an ultrahigh pressure emulsion module from a low pressure rapid liquid supplementing module, can prevent a working medium containing impurities in a hydromechanical forming die from entering an ultrahigh pressure source, and simultaneously reduces the emulsion dosage of the low pressure rapid liquid supplementing module and lowers the precision requirement of emulsion circulating filtration.
The present invention has been described in detail with reference to the above examples, but the description is only for the preferred examples of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (1)
1. A full-isolation type emulsion system of a liquid-filling forming hydraulic machine is characterized in that: the full-isolation type emulsion system of the liquid-filling forming hydraulic machine comprises a liquid purifying tank, a circulating pump A, a circulating pump B, a circulating pump C, an ultrahigh-pressure one-way valve A, an ultrahigh-pressure one-way valve B, an ultrahigh-pressure one-way valve C, an ultrahigh-pressure source, a liquid collecting tank, a filter A, a filter B, a liquid filtering tank, a liquid collecting device and a liquid-filling forming die, wherein an outlet of the liquid purifying tank is connected with an inlet of the circulating pump A, an outlet of the circulating pump A is connected with an inlet of the ultrahigh-pressure one-way valve A, an outlet of the ultrahigh-pressure one-way valve A is connected with an inlet of the ultrahigh-pressure source, an outlet of the ultrahigh-pressure source is connected with an inlet of the ultrahigh-pressure one-way valve B, and an outlet of the ultrahigh-pressure one-way valve B is connected with an ultrahigh-pressure inlet of the liquid-filling forming die; the emulsified liquid medium overflowing from the liquid filling forming die is collected through a liquid collecting device, an outlet of the liquid collecting device is connected with an inlet of a liquid collecting tank, an outlet of the liquid collecting tank is connected with an inlet of a circulating pump B, an outlet of the circulating pump B is connected with an inlet of a filter A, an outlet of the filter A is connected with an inlet of a filtrate tank, an outlet of the filtrate tank is connected with an inlet of a circulating pump C, an outlet of the circulating pump C is connected with an inlet of the filter B, an outlet of the filter B is connected with an inlet of an ultrahigh pressure one-way valve C, an outlet of the ultrahigh pressure one-way valve C is connected with a low-pressure inlet of the liquid filling forming die, emulsified liquid entering an ultrahigh pressure source ultrahigh pressure cavity through a liquid purifying tank by an ultrahigh pressure source of the ultrahigh pressure emulsified liquid filling system module is brand-new in configuration, and working media in the low-pressure quick liquid filling module do not enter the ultrahigh pressure source.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011414229.1A CN112728412B (en) | 2020-12-04 | 2020-12-04 | Full-isolation type emulsion system of liquid-filling forming hydraulic machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011414229.1A CN112728412B (en) | 2020-12-04 | 2020-12-04 | Full-isolation type emulsion system of liquid-filling forming hydraulic machine |
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| CN112728412A CN112728412A (en) | 2021-04-30 |
| CN112728412B true CN112728412B (en) | 2023-03-21 |
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| DE19641174A1 (en) * | 1996-10-08 | 1998-04-16 | Putzmeister Ag | Arrangement for the long-distance conveyance of thick matter |
| CN202868304U (en) * | 2012-10-10 | 2013-04-10 | 合肥天鹅制冷科技有限公司 | Low temperature constant pressure liquid supplying device |
| US8978432B2 (en) * | 2013-02-12 | 2015-03-17 | Caterpillar Inc. | Multi-stage tube hydroforming process |
| CN205519151U (en) * | 2016-04-01 | 2016-08-31 | 天津市天锻压力机有限公司 | Hydraulic system of hydroforming hydraulic press |
| CN205533472U (en) * | 2016-04-01 | 2016-08-31 | 天津市天锻压力机有限公司 | Super high -pressure system of hydroforming hydraulic press |
| CN205533563U (en) * | 2016-04-01 | 2016-08-31 | 天津市天锻压力机有限公司 | Super high pressure device's of hydroforming hydraulic press multi -stage filtration system |
| CN106064192B (en) * | 2016-04-05 | 2018-03-13 | 天津市天锻压力机有限公司 | A kind of hydraulic servo control system of liquid-filling shaping hydraulic machine |
| CN107617664B (en) * | 2016-07-14 | 2021-05-25 | 北京航空航天大学 | Rigid-flexible composite forming process for large complex multi-characteristic plate part |
| CN206484958U (en) * | 2016-12-20 | 2017-09-12 | 天津市天锻压力机有限公司 | The cooling system of liquid-filling shaping hydraulic machine |
| CN209157857U (en) * | 2018-09-21 | 2019-07-26 | 大连德宇机械有限公司 | Lathe emulsification fluid circulation |
| CN111054810A (en) * | 2019-12-03 | 2020-04-24 | 天津市天锻压力机有限公司 | Ultrahigh pressure working system of flexible forming medium of liquid-filling forming equipment |
| CN211573923U (en) * | 2019-12-03 | 2020-09-25 | 天津市天锻压力机有限公司 | Large-scale thin wall sheet part hydroforming system |
| CN212055335U (en) * | 2020-02-28 | 2020-12-01 | 张永利 | Isolated fluid pressure conversion device with linked hydraulic bag and piston |
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