CN114483680A - Large-tonnage metal hot forging forming equipment with hydraulic energy storage function - Google Patents
Large-tonnage metal hot forging forming equipment with hydraulic energy storage function Download PDFInfo
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- CN114483680A CN114483680A CN202210063124.9A CN202210063124A CN114483680A CN 114483680 A CN114483680 A CN 114483680A CN 202210063124 A CN202210063124 A CN 202210063124A CN 114483680 A CN114483680 A CN 114483680A
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- energy storage
- hot forging
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- 238000004146 energy storage Methods 0.000 title claims abstract description 32
- 238000005242 forging Methods 0.000 title claims abstract description 30
- 239000002184 metal Substances 0.000 title claims abstract description 26
- 238000003860 storage Methods 0.000 claims abstract description 8
- 239000003921 oil Substances 0.000 claims description 178
- 239000007788 liquid Substances 0.000 claims description 30
- 239000010727 cylinder oil Substances 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 239000010720 hydraulic oil Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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Classifications
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- 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
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- 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
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- 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
- F15B1/024—Installations or systems with accumulators used as a supplementary power source, e.g. to store energy in idle periods to balance pump load
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- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/027—Check valves
Abstract
The invention relates to the technical field of metal hot forging forming, in particular to large-tonnage metal hot forging forming equipment with hydraulic energy storage function, the oil pressure device mainly comprises a base, a main oil cylinder and an auxiliary oil cylinder, wherein at least two quick cylinders are arranged around the main oil cylinder, the output ends of the main oil cylinder and the quick cylinder are connected with the middle beam and used for driving the middle beam to move up and down, the oil pipe loop system mainly comprises an energy accumulator group, an oil pump group and an oil storage tank, the number of the oil pump sets is greatly reduced by arranging the energy accumulator set in the oil pipe loop system as an auxiliary power source, thereby reducing the total power to achieve the effect of saving energy and realizing quick production, the accumulator group increases power for the main oil cylinder, and the quick forging or stamping is realized by matching with the quick cylinder, so that the heat dissipation time of the workpiece is reduced, the production quality of the workpiece is better, and the production efficiency of the whole machine is greatly improved.
Description
Technical Field
The invention relates to the technical field of metal hot forging forming, in particular to large-tonnage metal hot forging forming equipment with hydraulic energy storage function.
Background
The metal hot forging forming equipment uses special hydraulic oil as working medium, and is mainly formed from hydraulic pump, hydraulic cylinder, hydraulic control valve, stroke switch and hydraulic auxiliary element, etc. said hydraulic pump is used as power source, and the hydraulic oil can be fed into oil cylinder/piston by means of hydraulic pipeline, and then the interior of the oil cylinder/piston possesses several groups of mutually-matched sealing elements, and the sealing of different positions is different, but all have the sealing function, so that the hydraulic oil can not be leaked, so that the hydraulic energy can be converted into mechanical energy to make transmission.
With the continuous development of society, the demand of metal work pieces is higher and higher, and the oil pressure device begins to be applied to the metal hot forging forming technology slowly, but the technology of using the oil pressure device to forge and punch the metal work pieces is still immature at present, can only rely on a plurality of groups of oil pressure pumps as power sources to drive the oil pressure cylinder to operate, and the production and processing time is long, and the production and processing efficiency is low, can not satisfy the social demand.
Disclosure of Invention
The invention mainly aims to provide large-tonnage metal hot forging forming equipment with hydraulic energy storage, which is used for realizing rapid forging or stamping of a metal workpiece, reducing the heat dissipation time of the workpiece and ensuring better production quality and higher production efficiency of the workpiece.
In order to achieve the above object, the present invention provides a large tonnage metal hot forging forming apparatus with hydraulic energy storage, comprising:
the hydraulic device comprises a base, a main oil cylinder and an auxiliary oil cylinder, wherein a lower beam is arranged on the base, the auxiliary oil cylinder is arranged in the middle of the lower beam, a base plate is arranged on the output end of the auxiliary oil cylinder, a plurality of stand columns are longitudinally arranged at the top of the lower beam, an upper beam is arranged at the top of each stand column, a middle beam is arranged between the upper beam and the lower beam, the middle beam is movably arranged on each stand column, the main oil cylinder is arranged in the middle of the upper beam, at least two quick cylinders are arranged around the main oil cylinder, the output ends of the main oil cylinder and the quick cylinders are connected with the middle beam and used for driving the middle beam to move up and down, a liquid filling box is arranged at the top of the upper beam and communicated with the main oil cylinder;
oil pipe loop system, oil pipe loop system includes accumulator group, oil pump group and batch oil tank, be linked together and be equipped with the energy storage fuel outlet valve between the oil discharge mouth of accumulator group and the last port of master cylinder, the lower port of master cylinder is equipped with the pressure control valves, and has first dead weight fast lower valve and slow speed down valve in parallel between the lower port of pressure control valves and master cylinder, be linked together and be equipped with the energy storage inlet valve between the oil feed end of accumulator group and the output of pressure control valves, be linked together and be equipped with main cylinder inlet valve and epicoele oil drain valve between the output of pressure control valves and the last port of master cylinder, the lower port of master cylinder is linked together and is equipped with the lower chamber inlet valve with the output of pressure control valves.
Preferably, a support is arranged between the upper beam and the liquid filling tank.
Preferably, the number of the liquid filling tanks is two, a communicating pipe is arranged between the two liquid filling tanks, and the middle part of the communicating pipe is communicated with the main oil cylinder through a communicating valve.
Preferably, two liquid filling boxes are symmetrically arranged, and guardrails are arranged on two sides of each liquid filling box.
Preferably, an escalator is arranged between the upper beam and the lower beam.
Preferably, the output end of the main oil cylinder is provided with a transition joint which is connected to the center sill in a penetrating mode.
Preferably, a support plate is arranged on the auxiliary oil cylinder, and a stretching rod is arranged between the support plate and the base plate.
Preferably, a second dead weight fast descending valve is arranged at a lower cavity opening of the main oil cylinder, and the first dead weight fast descending valve and the slow descending valve are connected between the second dead weight fast descending valve and the pressure control valve group in parallel.
Preferably, a check valve set is arranged between the pressure control valve set and the oil pump set.
Preferably, an oil-filled switch valve is arranged between the output end of the pressure control valve group and the oil inlet end of the accumulator group.
Has the advantages that:
1. the energy accumulator group is connected to the main oil cylinder to increase power, the quick cylinder is matched to increase the up-and-down moving speed of the middle beam, the liquid filling tank is arranged on the upper beam to timely perform liquid filling adjustment on the main oil cylinder, quick forging or stamping is realized, the heat dissipation time of the workpiece is reduced, the impact effect similar to hammering is achieved, the production quality of the workpiece is better, and the production efficiency of the whole machine is greatly improved;
2. the energy accumulator group is arranged in the oil pipe loop system to serve as an auxiliary power source, so that the number of oil pump groups is greatly reduced, the total power is reduced, the effects of saving energy and realizing quick production are achieved, and the production and machining efficiency of workpieces is greatly improved;
3. compared with the traditional method that the base plate is arranged at the bottom of the main oil cylinder, the height of the base plate can be adjusted through the auxiliary oil cylinder according to actual production requirements, and the use convenience is greatly improved;
4. the total oil output of the lower cavity opening of the main oil cylinder is controlled by arranging the second dead weight lower valve, the flow control mode of hydraulic oil in the lower cavity opening of the main oil cylinder is further increased, and the convenience of oil way control and maintenance is improved.
Drawings
FIG. 1 is a schematic structural view of the present metal hot forging apparatus;
FIG. 2 is a schematic view of a part of the structure of the present metal hot forging apparatus;
FIG. 3 is a schematic diagram of an embodiment of an oil hydraulic apparatus according to the present invention;
FIG. 4 is a schematic view of a part of the structure of an oil pressure device according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a tubing loop system according to an embodiment of the present invention;
FIG. 6 is a block diagram showing the connections of the components of the tubing circuit system in an embodiment of the present invention;
fig. 7 is a block diagram showing the connection of the quick cylinder to other components in the embodiment of the present invention.
The reference numbers illustrate: the hydraulic system comprises an oil pressure device 1, an oil pipe loop system 2, a base 11, a main oil cylinder 12, an auxiliary oil cylinder 13, a lower beam 14, a cushion plate 15, a stand column 16, an upper beam 17, a middle beam 18, a quick oil cylinder 19, an energy accumulator group 21, an oil pump group 22, an oil storage tank 23, an energy storage oil discharge valve 24, a pressure control valve group 25, a first dead weight quick lower valve 26, a slow speed lower valve 27, an energy storage oil inlet valve 28, a main oil inlet valve 29, an upper cavity oil discharge valve 30, a liquid filling tank 100, a support 101, a communicating pipe 102, a communicating valve 103, a guardrail 104, an escalator 105, a transition joint 106, a support plate 107, a stretching rod 108, a lower cavity oil inlet valve 200, a second dead weight quick lower valve 201, a one-way valve group 202, an oil filling switch valve 203 and a foundation sheath 300.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that if the description of "first", "second", etc. is provided in the embodiment of the present invention, the description of "first", "second", etc. is only for descriptive purposes and is not to be construed as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1 to 7, the present embodiment provides a large-tonnage metal hot forging forming apparatus with hydraulic energy storage, which includes an oil pressure device 1 and an oil pipe loop system 2; the oil pressure device 1 comprises a base 11, a main oil cylinder 12 and an auxiliary oil cylinder 13, wherein a lower beam 14 is arranged on the base 11, the auxiliary oil cylinder 13 is arranged in the middle of the lower beam 14, a cushion plate 15 is arranged at the output end of the auxiliary oil cylinder 13, a plurality of upright columns 16 are longitudinally arranged at the top of the lower beam 14, an upper beam 17 is arranged at the top of each upright column 16, a middle beam 18 is arranged between the upper beam 17 and the lower beam 14, the middle beam 18 is movably arranged on the upright columns 16, the main oil cylinder 12 is arranged in the middle of the upper beam 17, at least two quick cylinders 19 are arranged around the main oil cylinder 12, the output ends of the main oil cylinder 12 and the quick cylinders 19 are connected with the middle beam 18 and used for driving the middle beam 18 to move up and down, a liquid filling tank 100 is arranged at the top of the upper beam 17, and the liquid filling tank 100 is communicated with the main oil cylinder 12.
In the actual operation process, the main oil cylinder 12 is provided with at least two quick cylinders 19, so that the up-and-down movement speed of the middle beam 18 is increased, the upper beam 17 is provided with the liquid filling box 100 to timely perform liquid filling adjustment on the main oil cylinder 12, quick forging or stamping is realized, the heat dissipation time of a workpiece is reduced, the impact effect similar to hammering is achieved, the production quality of the workpiece is better, and the working efficiency of the whole machine is greatly improved; simultaneously, compare with the tradition setting up backing plate 15 in master cylinder 12 bottom, this application can be according to the actual production demand, through the height of vice hydro-cylinder 13 adjustment backing plate 15, has improved the convenience of use greatly, and is equipped with backup pad 107 on the vice hydro-cylinder 13, is equipped with tensile pole 108 between backup pad 107 and the backing plate 15, through the tensile pole 108 of backup pad 107 cooperation, improves the bearing capacity of backing plate 15 greatly.
As shown in fig. 3 and 4, a support 101 is provided between the upper beam 17 and the liquid tank 100, and the liquid tank 100 is reinforced and fixed by the support 101, thereby improving the stability of the liquid tank 100. The number of the liquid filling tanks 100 is two, the communicating pipe 102 is arranged between the two liquid filling tanks 100, the middle part of the communicating pipe 102 is communicated with the main oil cylinder 12 through the communicating valve 103, the two liquid filling tanks 100 are adjusted through the communicating valve 103 to accurately and quickly fill liquid into the main oil cylinder 12, and the operation efficiency of the whole equipment is further improved. The output end of the main oil cylinder 12 is provided with a transition joint 106 which is connected with the center sill 18 in a penetrating mode, and the transition joint 106 is connected with a forging device or a stamping die, so that the use convenience is further improved.
In actual use, the escalator 105 is arranged between the upper beam 17 and the lower beam 14, so that the pipelines of the main oil cylinder 12 and the liquid filling tank 100 can be conveniently overhauled or adjusted through the escalator 16 to the top of the upper beam 17. The two liquid filling tanks 100 are symmetrically arranged, and the two sides of the two liquid filling tanks 100 are both provided with the guardrails 104, so that the safety of the maintainers or the operators is ensured through the guardrails 14. As shown in fig. 1, in the actual installation process, it is necessary to dig a foundation pit on the ground to install the equipment in the foundation pit, the bottom of the oil pressure device 1 is provided with a foundation sheath 300, and the foundation sheath 300 further protects the fittings on the bottom of the oil pressure device 1, so that the service life of the whole equipment is further prolonged, and meanwhile, the foundation pit is prevented from being easily damaged by vibration.
Referring to fig. 2 and 6, the oil pipe loop system 2 includes an energy accumulator set 21, an oil pump set 22 and an oil storage tank 23, an oil discharge port of the energy accumulator set 21 is communicated with an upper port of the main oil cylinder 12 and is provided with an energy storage oil discharge valve 24, a lower port of the main oil cylinder 12 is provided with a pressure control valve set 25, a first deadweight fast lower valve 26 and a slow down valve 27 are connected in parallel between the pressure control valve set 25 and the lower port of the main oil cylinder 12, an oil inlet end of the energy accumulator set 21 is communicated with an output end of the pressure control valve set 25 and is provided with an energy storage oil inlet valve 28, an output end of the pressure control valve set 25 is communicated with the upper port of the main oil cylinder 12 and is provided with a main cylinder oil inlet valve 29 and an upper chamber oil discharge valve 30, the lower port of the main oil cylinder 12 is communicated with the output end of the pressure control valve set 25 and is provided with a lower chamber oil inlet valve 200, the energy accumulator set 21 is provided as an auxiliary power source, thereby greatly reducing the number of the oil pump sets 22, thereby reducing the total power, achieving the effect of saving energy and taking the production into consideration rapidly, and greatly improving the production and processing efficiency of the workpiece.
As shown in fig. 6, a second dead weight fast descending valve 201 is arranged at the lower cavity opening of the main oil cylinder 12, the first dead weight fast descending valve 26 and the slow descending valve 27 are connected in parallel between the second dead weight fast descending valve 201 and the pressure control valve group 25, when the first dead weight fast descending valve 26 and the slow descending valve 27 are opened simultaneously, the total oil output of the lower cavity opening of the main oil cylinder 12 can be controlled through the second dead weight fast descending valve 201, the flow control mode of hydraulic oil in the lower cavity opening of the main oil cylinder 12 is further increased, and the convenience of oil circuit control and maintenance is improved; a check valve group 202 is arranged between the pressure control valve group 25 and the oil pump group 22, and hydraulic oil is prevented from flowing backwards through the check valve group 13, so that the use accuracy of the pressure control valve group 25 is improved; an oil filling switch valve 203 is arranged between the output end of the pressure control valve group 25 and the oil inlet end of the energy storage oil inlet valve 28, and the oil path between the output end of the pressure control valve group 25 and the oil inlet end of the energy storage oil inlet valve 28 is timely isolated through the oil filling switch valve 203, so that the hydraulic oil from the lower cavity port of the main oil cylinder 12 is prevented from being retained in the oil path, and the accuracy of the hydraulic oil flowing from the lower cavity port of the main oil cylinder 12 is prevented from being influenced.
The operation process comprises the following steps:
1) the main oil cylinder 12 fast descends by self weight: starting equipment, electrifying a pressure control valve set 25 to start pressure, electrifying a main cylinder oil inlet valve 29 to open the upper cavity of the main oil cylinder 12 to feed oil, electrifying a first dead weight lower valve 26 and a second dead weight lower valve 201 to open the lower cavity of the main oil cylinder 12 to discharge oil, realizing dead weight quick descending of the main oil cylinder, and simultaneously supplementing oil to the upper cavity of the main oil cylinder 12;
2) the main oil cylinder 12 descends at a low speed: the travel switch sends a signal, the pressure control valve group 25 is electrified to start pressure, the main cylinder oil inlet valve 29 is electrified to open the upper cavity of the main oil cylinder 12 to feed oil, the slow descending valve 27 and the second dead weight quick descending valve 201 are electrified to open the lower cavity of the main oil cylinder 12 to discharge oil, the first dead weight quick descending valve 26 is powered off and closed, the main oil cylinder 12 realizes slow descending, and meanwhile, the upper cavity of the main oil cylinder 12 is replenished with oil;
3) the main oil cylinder 12 rapidly forges a workpiece: the travel switch sends a signal, the pressure control valve group 25 is electrified to start pressure, the main cylinder oil inlet valve 29 is electrified to open the upper cavity of the main oil cylinder 12 to feed oil, the slow speed downlink valve 27 and the second dead weight fast downlink valve 201 are electrified to open the lower cavity of the main oil cylinder 12 to discharge oil, the first dead weight fast downlink valve 26 is powered off and closed, the energy storage oil inlet valve 28 is electrified to open, the energy accumulator group 21 discharges oil, the upper cavity of the main oil cylinder 12 simultaneously obtains the oil flow of the oil storage tank 23 and the oil flow of the energy accumulator group 21, and the main oil cylinder 12 rapidly performs downlink forging on a workpiece;
4) and (3) returning of the main oil cylinder 12: the travel switch sends a signal, the pressure control valve group 25 is electrified to start pressure, the lower cavity oil inlet valve 200 is electrified to open the lower cavity oil inlet of the main oil cylinder 12, the upper cavity oil outlet valve 30 is electrified to open the upper cavity oil outlet of the main oil cylinder 12, and return stroke action is realized until the return stroke action is stopped;
5) the accumulator group is filled with oil: the travel switch sends a signal, the pressure control valve set 25 is electrified to start pressure, the energy storage oil inlet valve 28 and the oil charging switch valve 203 are electrified to be opened, the oil storage tank 23 supplies oil to the energy accumulator set 21, the oil supply is stopped after the set pressure is reached, and it is required to be described that after the oil discharge action of the energy accumulator set 21 is completed, the oil storage tank 23 recharges high-pressure hydraulic oil to the energy accumulator set 21 by utilizing the clearance time for taking and placing workpieces.
In the actual installation process, the quick cylinder 19 and the main oil cylinder 12 run synchronously, and the quick cylinder 19 can be independently installed on the oil pressure device 1 according to actual requirements and controlled independently; meanwhile, as shown in fig. 7, the input port of the fast cylinder 19 may also be communicated with the output port of the energy storage oil drain valve 24, the output port of the fast cylinder 19 is communicated with the input port of the second deadweight descending valve 201, when the travel switch sends a signal, the pressure control valve set 25 is energized to start pressure, the main cylinder oil inlet valve 29 is energized to open the upper cavity of the main cylinder 12 for oil inlet, the slow descending valve 27 and the second deadweight descending valve 201 are energized to open the lower cavity of the main cylinder 12 for oil drain, the first deadweight descending valve 26 is de-energized to close, the energy storage oil inlet valve 28 is energized to open, the energy storage group 21 drains oil into the upper cavities of the fast cylinder 19 and the main cylinder 12, the upper cavity of the main cylinder 12 obtains the oil flow rates of the oil storage tank 23 and the energy storage group 21 at the same time, and the fast speed of the fast cylinder 19 is further increased, so that the main cylinder 12 can forge a workpiece more fast and further improve the forging efficiency.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A large-tonnage metal hot forging forming device with hydraulic energy storage is characterized by comprising:
oil pressure device (1), oil pressure device (1) includes base (11), master cylinder (12) and vice hydro-cylinder (13), be provided with underbeam (14) on base (11), the middle part at underbeam (14) is installed in vice hydro-cylinder (13), and is equipped with backing plate (15) on the output of vice hydro-cylinder (13), the top of underbeam (14) is indulged and is equipped with a plurality of stands (16), the top of stand (16) is equipped with upper beam (17), be equipped with well roof beam (18) between upper beam (17) and underbeam (14), the mobilizable setting of well roof beam (18) is on stand (16), master cylinder (12) are installed the middle part of upper beam (17), and are equipped with two quick jar (19) around master cylinder (12) at least, well roof beam (18) are connected to the output of master cylinder (12) and quick jar (19) is used for driving well roof beam (18) and reciprocates, the top of the upper beam (17) is provided with a liquid filling box (100), and the liquid filling box (100) is communicated with the main oil cylinder (12);
an oil pipe loop system (2), wherein the oil pipe loop system (2) comprises an energy accumulator group (21), an oil pump group (22) and an oil storage tank (23), an oil discharge port of the energy accumulator group (21) is communicated with an upper port of the main oil cylinder (12) and is provided with an energy accumulation and oil discharge valve (24), a lower port of the main oil cylinder (12) is provided with a pressure control valve group (25), and a first dead weight fast descending valve (26) and a slow descending valve (27) are connected in parallel between the pressure control valve group (25) and the lower cavity port of the main oil cylinder (12), the energy storage oil inlet valve (28) is communicated and arranged between the oil inlet end of the energy accumulator group (21) and the output end of the pressure control valve group (25), the main cylinder oil inlet valve (29) and the upper cavity oil outlet valve (30) are communicated and arranged between the output end of the pressure control valve group (25) and the upper cavity of the main cylinder (12), and the lower cavity of the main cylinder (12) is communicated with the output end of the pressure control valve group (25) and is provided with the lower cavity oil inlet valve (200).
2. The large-tonnage metal hot forging forming equipment with hydraulic energy storage function according to claim 1, characterized in that: and a support (101) is arranged between the upper beam (17) and the liquid filling tank (100).
3. The large-tonnage metal hot forging forming equipment with hydraulic energy storage function as claimed in claim 2, wherein: the number of the liquid filling tanks (100) is two, a communicating pipe (102) is arranged between the two liquid filling tanks (100), and the middle part of the communicating pipe (102) is communicated with the main oil cylinder (12) through a communicating valve (103).
4. The large-tonnage metal hot forging forming equipment with hydraulic energy storage function according to claim 3, characterized in that: the two liquid filling tanks (100) are symmetrically arranged, and guardrails (104) are arranged on two sides of the two liquid filling tanks (100).
5. The large-tonnage metal hot forging forming apparatus with hydraulic energy storage according to claim 1 or 2, characterized in that: an escalator (105) is arranged between the upper beam (17) and the lower beam (14).
6. The large-tonnage metal hot forging forming equipment with hydraulic energy storage function according to claim 1, characterized in that: the output end of the main oil cylinder (12) is provided with a transition joint (106) which is connected with the center beam (18) in a penetrating way.
7. The large-tonnage metal hot forging forming equipment with hydraulic energy storage function according to claim 1, characterized in that: and a support plate (107) is arranged on the auxiliary oil cylinder (13), and a stretching rod (108) is arranged between the support plate (107) and the base plate (15).
8. The large-tonnage metal hot forging forming equipment with hydraulic energy storage function according to claim 1, characterized in that: and a lower cavity opening of the main oil cylinder (12) is provided with a second dead weight fast lower valve (201), and the first dead weight fast lower valve (26) and the slow down valve (27) are connected in parallel between the second dead weight fast lower valve (201) and the pressure control valve group (25).
9. The large-tonnage metal hot forging forming equipment with hydraulic energy storage function according to claim 8, characterized in that: and a check valve group (202) is arranged between the pressure control valve group (25) and the oil pump group (22).
10. The large-tonnage metal hot forging forming apparatus with hydraulic energy storage according to claim 8 or 9, characterized in that: an oil-filled switch valve (203) is arranged between the output end of the pressure control valve group (25) and the oil inlet end of the energy accumulator group (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210063124.9A CN114483680B (en) | 2022-01-20 | 2022-01-20 | Large-tonnage metal hot forging forming equipment with hydraulic energy storage function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210063124.9A CN114483680B (en) | 2022-01-20 | 2022-01-20 | Large-tonnage metal hot forging forming equipment with hydraulic energy storage function |
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| CN114483680A true CN114483680A (en) | 2022-05-13 |
| CN114483680B CN114483680B (en) | 2024-01-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024037341A1 (en) * | 2022-08-16 | 2024-02-22 | 曼弗莱德智能制造(江苏)有限公司 | Energy-saving hydraulic press for stamping die and energy-saving method |
Citations (11)
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| WO2024037341A1 (en) * | 2022-08-16 | 2024-02-22 | 曼弗莱德智能制造(江苏)有限公司 | Energy-saving hydraulic press for stamping die and energy-saving method |
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| CN114483680B (en) | 2024-01-05 |
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