CN109058197B - Novel overflow collection device and method for energy-saving rapid forging machine - Google Patents
Novel overflow collection device and method for energy-saving rapid forging machine Download PDFInfo
- Publication number
- CN109058197B CN109058197B CN201810994286.8A CN201810994286A CN109058197B CN 109058197 B CN109058197 B CN 109058197B CN 201810994286 A CN201810994286 A CN 201810994286A CN 109058197 B CN109058197 B CN 109058197B
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- Prior art keywords
- valve
- overflow
- hydraulic
- hydraulic cylinder
- pipeline
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- 238000005242 forging Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title abstract description 9
- 239000003921 oil Substances 0.000 claims description 34
- 239000010720 hydraulic oil Substances 0.000 claims description 20
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000004146 energy storage Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010727 cylinder oil Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/10—Drives for forging presses
- B21J9/12—Drives for forging presses operated by hydraulic or liquid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/027—Installations or systems with accumulators having accumulator charging devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/14—Energy-recuperation means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20576—Systems with pumps with multiple pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/21—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
- F15B2211/212—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being accumulators
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Press Drives And Press Lines (AREA)
- Forging (AREA)
Abstract
The invention belongs to the technical field of hydraulic systems of quick forging machines, and particularly relates to a novel overflow collecting device of an energy-saving quick forging machine and a method thereof. Overflow losses can be reduced; meanwhile, energy waste is reduced, and the system temperature is reduced.
Description
Technical Field
The invention belongs to the technical field of hydraulic systems of quick forging machines, and particularly relates to a novel overflow collecting device and method of an energy-saving quick forging machine.
Background
The rapid forging machine is equipment for forging and pressing metal profiles, axles, universal flanges, gears and the like, and is one of core equipment for modern forging production. With the development of the steel industry, the rapid forging machine is increasingly used. The overflow valve system adopted in the operation of the current domestic rapid forging machine comprises: after the sliding block contacts the workpiece, redundant hydraulic oil in the system returns to the oil tank through the overflow valve; when the sliding block descends, the return hydraulic cylinder oil directly returns to the oil tank, so that energy waste is caused, and meanwhile, the temperature of the hydraulic system is high. Thus, there is a great need for improved overflow arrangements for rapid forging machines.
Disclosure of Invention
Aiming at the technical problems, the invention provides the novel overflow collecting device and the method for the energy-saving rapid forging machine, which can collect redundant oil in a hydraulic system to an accumulator for recycling, reduce energy waste and reduce the temperature of the hydraulic system.
In order to solve the technical problems, the invention adopts the following technical scheme:
The utility model provides a novel energy-conserving quick forging machine overflow is collected device, includes slider and main hydraulic cylinder and the return stroke pneumatic cylinder of hookup with the slider, still includes oil tank, high-pressure oil pump, energy storage ware and a plurality of directional valve, link together through the hydraulic pressure pipeline between main hydraulic cylinder, return stroke pneumatic cylinder, oil tank, high-pressure oil pump, energy storage ware and the directional valve, the hydraulic pressure pipeline includes first pipeline and second pipeline, the directional valve is equipped with five, the high-pressure oil pump is in proper order with third directional valve and main hydraulic cylinder UNICOM through first pipeline, the high-pressure oil pump is in proper order with first directional valve, energy storage ware, second directional valve and main hydraulic cylinder UNICOM through the second pipeline, the return stroke pneumatic cylinder is through fifth directional valve and first pipeline UNICOM, first pipeline is through fourth directional valve and oil tank UNICOM.
The hydraulic oil can overflow into the energy accumulator through the overflow valve.
The overflow valve adopts an electromagnetic overflow valve.
The overflow collecting method of novel energy-saving rapid forging machine includes that a motor drives an oil pump to supply oil to a system, and when a sliding block descends, hydraulic oil of an energy accumulator, a high-pressure oil pump and a return hydraulic cylinder simultaneously enters a main hydraulic cylinder; after contacting the workpiece, redundant hydraulic oil of the hydraulic system enters the accumulator through the overflow valve to charge the accumulator.
Compared with the prior art, the invention has the beneficial effects that:
The motor drives the oil pump to supply oil to the system, and when the sliding block descends, hydraulic oil of the energy accumulator, the high-pressure oil pump and the return hydraulic cylinder simultaneously enters the main hydraulic cylinder; after contacting the workpiece, redundant hydraulic oil of the hydraulic system enters the accumulator through the overflow valve to charge the accumulator, so that overflow loss is reduced; meanwhile, energy waste is reduced, and the system temperature is reduced.
Drawings
FIG. 1 is a schematic diagram of the present invention;
Wherein: 1 is an overflow valve, 21 is a first direction valve, 22 is a second direction valve, 23 is a third direction valve, 24 is a fourth direction valve, 25 is a fifth direction valve, 3 is an accumulator, 4 is a high-pressure oil pump, 5 is a sliding block, 6 is a main hydraulic cylinder, and 7 is a return hydraulic cylinder.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The overflow collecting method of novel energy-saving rapid forging machine includes that a motor drives an oil pump to supply oil to a system, and when a sliding block descends, hydraulic oil of an energy accumulator, a high-pressure oil pump and a return hydraulic cylinder simultaneously enters a main hydraulic cylinder; after contacting the workpiece, redundant hydraulic oil of the hydraulic system enters the accumulator through the overflow valve to charge the accumulator.
The collecting device consists of a high-pressure oil pump 4, an overflow valve 1, a plurality of directional valves, an energy accumulator 3 (provided with a safety valve group), a plurality of pipelines and a hydraulic cylinder. The method comprises the following steps: the hydraulic pipeline comprises a first pipeline and a second pipeline, the direction valves are five, the high-pressure oil pump 4 is sequentially communicated with the third direction valve 23 and the main hydraulic cylinder 6 through the first pipeline, the high-pressure oil pump 4 is sequentially communicated with the first direction valve 21, the energy accumulator 3, the second direction valve 22 and the main hydraulic cylinder 6 through the second pipeline, the return hydraulic cylinder 7 is communicated with the first pipeline through the fifth direction valve 25, and the first pipeline is communicated with the oil tank through the fourth direction valve 24.
The hydraulic oil pump further comprises a relief valve 1, the relief valve 1 is arranged on the second pipeline, and hydraulic oil can be overflowed into the accumulator 3 through the relief valve 1. The relief valve 1 is preferably an electromagnetic relief valve.
The working principle is as follows:
As shown in fig. 1, the starting motor drives a hydraulic oil pump to supply oil to the system. When the slider 5 descends, the second direction valve 22, the third direction valve 23 and the fifth direction valve 25 are electrically opened. The accumulator 3 passes through the second directional valve 22; the high-pressure oil pump 4 passes through a third directional valve 23; the return hydraulic cylinder 7 is charged to the master hydraulic cylinder 6 simultaneously through the third direction valve 23 and the fifth direction valve 25.
When the sliding block 5 contacts a workpiece, the second direction valve 22 is closed in a power failure mode, the third direction valve 23 and the fifth direction valve 25 are opened, and the high-pressure oil pump 4 supplies oil to the main hydraulic cylinder 6 independently, and meanwhile, excessive hydraulic oil of the hydraulic system and hydraulic oil of the return hydraulic cylinder 7 overflow and are supplemented into the energy accumulator 3 through the overflow valve 1; during the descent, the fifth directional valve 25 is electrically opened.
After forging and pressing are finished, the third direction valve 23 is powered off and closed, the fourth direction valve 24 and the fifth direction valve 25 are powered on and the sliding block 5 is opened to ascend, and in the ascending process, redundant hydraulic oil of a hydraulic system is supplemented into the energy accumulator 3, and the hydraulic oil of the main hydraulic cylinder 6 returns to an oil tank; after the slider 5 is lifted, the fourth direction valve 24 and the fifth direction valve 25 are closed by power failure, and the slider 5 stops moving. The first direction valve 21 is electrically opened to replenish the accumulator 3, and after the replenishing is completed, the first direction valve 21 is closed.
The preferred embodiments of the present invention have been described in detail, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention, and the various changes are included in the scope of the present invention.
Claims (1)
1. The utility model provides a novel energy-conserving quick forging machine overflow is collected device, includes slider (5) and main hydraulic cylinder (6) and return stroke pneumatic cylinder (7) that link with slider (5), its characterized in that: the hydraulic oil pump (4) is sequentially communicated with the third direction valve (23) and the main hydraulic cylinder (6) through the first pipeline, the high-pressure oil pump (4) is sequentially communicated with the first direction valve (21), the energy accumulator (3), the second direction valve (22) and the main hydraulic cylinder (6) through the second pipeline, the return hydraulic cylinder (7) is communicated with the first pipeline through the fifth direction valve (25), and the first pipeline is communicated with the oil tank through the fourth direction valve (24); the hydraulic oil hydraulic system further comprises an overflow valve (1), wherein the overflow valve (1) is arranged on the second pipeline, and hydraulic oil can overflow into the energy accumulator (3) through the overflow valve (1); the overflow valve (1) adopts an electromagnetic overflow valve;
The motor drives the oil pump to supply oil to the system, and when the sliding block descends, hydraulic oil of the energy accumulator, the high-pressure oil pump and the return hydraulic cylinder simultaneously enters the main hydraulic cylinder; after contacting the workpiece, redundant hydraulic oil of the hydraulic system enters the accumulator through the overflow valve to charge the accumulator.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810994286.8A CN109058197B (en) | 2018-08-29 | 2018-08-29 | Novel overflow collection device and method for energy-saving rapid forging machine |
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CN201810994286.8A CN109058197B (en) | 2018-08-29 | 2018-08-29 | Novel overflow collection device and method for energy-saving rapid forging machine |
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CN109058197A CN109058197A (en) | 2018-12-21 |
CN109058197B true CN109058197B (en) | 2024-05-28 |
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CN201810994286.8A Active CN109058197B (en) | 2018-08-29 | 2018-08-29 | Novel overflow collection device and method for energy-saving rapid forging machine |
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CN109751289B (en) * | 2019-01-21 | 2020-07-03 | 太原理工大学 | Hydraulic system of hydraulic hybrid radial forging machine |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB895434A (en) * | 1958-11-25 | 1962-05-02 | Schloemann Ag | Improvements in hydraulic forging presses having control means |
CN102410265A (en) * | 2011-09-22 | 2012-04-11 | 三一重机有限公司 | Device for collecting overflow energy of hydraulic system |
CN103174688A (en) * | 2013-03-27 | 2013-06-26 | 南京工业大学 | Hydraulic energy-saving system |
CN106015124A (en) * | 2016-07-22 | 2016-10-12 | 中聚信海洋工程装备有限公司 | Hydraumatic fast forging machine set capable of being supplied with pressure superimposedly by hydraulic pumps and high pressure accumulator |
CN208719038U (en) * | 2018-08-29 | 2019-04-09 | 太原科技大学 | A kind of novel energy-conserving rapid forge machine overflow gathering apparatus |
-
2018
- 2018-08-29 CN CN201810994286.8A patent/CN109058197B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB895434A (en) * | 1958-11-25 | 1962-05-02 | Schloemann Ag | Improvements in hydraulic forging presses having control means |
CN102410265A (en) * | 2011-09-22 | 2012-04-11 | 三一重机有限公司 | Device for collecting overflow energy of hydraulic system |
CN103174688A (en) * | 2013-03-27 | 2013-06-26 | 南京工业大学 | Hydraulic energy-saving system |
CN106015124A (en) * | 2016-07-22 | 2016-10-12 | 中聚信海洋工程装备有限公司 | Hydraumatic fast forging machine set capable of being supplied with pressure superimposedly by hydraulic pumps and high pressure accumulator |
CN208719038U (en) * | 2018-08-29 | 2019-04-09 | 太原科技大学 | A kind of novel energy-conserving rapid forge machine overflow gathering apparatus |
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