CN114483680B - 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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- CN114483680B CN114483680B CN202210063124.9A CN202210063124A CN114483680B CN 114483680 B CN114483680 B CN 114483680B CN 202210063124 A CN202210063124 A CN 202210063124A CN 114483680 B CN114483680 B CN 114483680B
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- 238000004146 energy storage Methods 0.000 title claims abstract description 35
- 238000005242 forging Methods 0.000 title claims abstract description 25
- 239000002184 metal Substances 0.000 title claims abstract description 22
- 238000003860 storage Methods 0.000 claims abstract description 9
- 239000003921 oil Substances 0.000 claims description 174
- 239000007788 liquid Substances 0.000 claims description 28
- 239000010727 cylinder oil Substances 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 239000010720 hydraulic oil Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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
-
- 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
-
- 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, and particularly discloses large-tonnage metal hot forging forming equipment with hydraulic energy storage, which mainly comprises an oil pressure device and an oil pipe loop system, wherein the oil pressure device mainly comprises a base, a main oil cylinder and an auxiliary oil cylinder, 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 a 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 energy accumulator group is arranged in the oil pipe loop system and used as an auxiliary power source, the number of the oil pump group is greatly reduced, so that the total power is reduced, the energy is saved, the energy accumulator group is used for adding power to the main oil cylinder, the quick cylinders are matched, quick forging or stamping is realized, the heat dissipation time of a workpiece is shortened, 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.
Background
The metal hot forging forming equipment is characterized by that it uses special-purpose hydraulic oil as working medium, and is mainly formed from hydraulic pump, hydraulic cylinder, hydraulic control valve, travel switch and hydraulic auxiliary element, etc. the hydraulic pump is used as power source, and the hydraulic oil can be fed into the cylinder/piston through the action force of hydraulic pump through the hydraulic pipeline, then several groups of mutually-matched sealing pieces are set in the cylinder/piston, and the sealing pieces in different positions are different, but all the sealing pieces can be used for sealing so as to make the hydraulic oil not leak, so that the hydraulic energy can be converted into mechanical energy transmission.
With the continuous development of society, the demand of metal work piece is higher and higher, and hydraulic means begins to be applied to metal hot forging technology slowly, but the technology that uses hydraulic means to forge and punch metal work piece still is immature at present, can only rely on multiunit hydraulic pump to drive the operation of oil pressure jar as the power supply, and production process time is long, and production machining efficiency is low, can not satisfy social demand.
Disclosure of Invention
The invention mainly aims to provide large-tonnage metal hot forging forming equipment with hydraulic energy storage, which can realize rapid forging or stamping of metal workpieces, reduce the heat dissipation time of the workpieces, and ensure that the workpieces have better production quality and higher production efficiency.
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 at the output end of the auxiliary oil cylinder, a plurality of upright posts are longitudinally arranged at the top of the lower beam, an upper beam is arranged at the top of each upright post, a middle beam is arranged between the upper beam and the lower beam, the middle beam is movably arranged on each upright post, 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 to drive the middle beam to move up and down, a liquid filling box is arranged at the top of the upper beam and is communicated with the main oil cylinder;
the oil pipe loop system comprises an energy accumulator group, an oil pump group and an oil storage tank, wherein an oil discharge port of the energy accumulator group is communicated with an upper cavity port of a main oil cylinder and is provided with an energy storage oil discharge valve, a lower cavity port of the main oil cylinder is provided with a pressure control valve group, a first dead weight quick-down valve and a slow-down valve are connected in parallel between the pressure control valve group and the lower cavity port of the main oil cylinder, an oil inlet end of the energy accumulator group is communicated with an output end of the pressure control valve group and is provided with an energy storage oil inlet valve, an output end of the pressure control valve group is communicated with an upper cavity port of the main oil cylinder and is provided with a main cylinder oil inlet valve and an upper cavity oil discharge valve, and a lower cavity port of the main oil cylinder is communicated with an output end of the pressure control valve group and is provided with a lower cavity oil inlet valve.
Preferably, a support is arranged between the upper beam and the liquid filling box.
Preferably, the number of the liquid filling boxes is two, a communicating pipe is arranged between the two liquid filling boxes, and the middle part of the communicating pipe is communicated with the main oil cylinder through a communicating valve.
Preferably, the 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 connected with the middle beam in a penetrating way.
Preferably, a supporting plate is arranged on the auxiliary oil cylinder, and a stretching rod is arranged between the supporting plate and the backing plate.
Preferably, a second dead weight quick-down valve is arranged at a lower cavity opening of the main oil cylinder, and the first dead weight quick-down valve and the slow-down valve are connected in parallel between the second dead weight quick-down valve and the pressure control valve group.
Preferably, a check valve group is arranged between the pressure control valve group and the oil pump group.
Preferably, an oil charge switch valve is arranged between the output end of the pressure control valve group and the oil inlet end of the energy accumulator group.
The beneficial effects are that:
1. the energy accumulator group is connected to the main oil cylinder to increase power, the quick cylinder is matched with the energy accumulator group to accelerate the up-down movement of the middle beam, the liquid filling box is arranged on the upper beam to timely carry out liquid filling adjustment on the main oil cylinder, so that 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 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 energy conservation and rapid production are achieved, and the production and processing 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, so that the convenience in use 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 quick lower valve, so that the flow control mode of the hydraulic oil in the lower cavity opening of the main oil cylinder is further increased, and the convenience of oil path control and overhaul is improved.
Drawings
FIG. 1 is a schematic view of a structure 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 oil pressure device according to an embodiment of the present invention;
FIG. 4 is a schematic view of a part of the oil pressure device according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of an oil pipe loop system according to an embodiment of the present invention;
FIG. 6 is a block diagram showing the connection of the components of the oil pipe loop system according to an embodiment of the present invention;
fig. 7 is a block diagram of the connection of the fast cylinder to other components in an embodiment of the invention.
Reference numerals illustrate: the hydraulic device 1, an oil pipe loop system 2, a base 11, a main oil cylinder 12, a secondary oil cylinder 13, a lower beam 14, a base plate 15, an upright post 16, an upper beam 17, a middle beam 18, a quick cylinder 19, an energy accumulator group 21, an oil pump group 22, an oil storage tank 23, an energy storage oil drain valve 24, a pressure control valve group 25, a first dead weight quick-down valve 26, a slow-down valve 27, an energy storage oil inlet valve 28, a main cylinder oil inlet valve 29, an upper cavity oil drain 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-down valve 201, a check valve 202, an oil filling switch valve 203 and a foundation jacket 300.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. 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.
It should be noted that, if there is a description of "first", "second", etc. in the embodiments 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 technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention. In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Examples:
referring to fig. 1 to 7, the present embodiment provides a large tonnage metal hot forging forming apparatus with hydraulic energy storage, including 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 installed in the middle of the lower beam 14, a base plate 15 is arranged at the output end of the auxiliary oil cylinder 13, a plurality of upright posts 16 are longitudinally arranged at the top of the lower beam 14, an upper beam 17 is arranged at the top of each upright post 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 each upright post 16, the main oil cylinder 12 is installed 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 box 100 is arranged at the top of the upper beam 17, and the liquid filling box 100 is communicated with the main oil cylinder 12.
In the actual operation process, at least two quick cylinders 19 are arranged on the main oil cylinder 12 to accelerate the up-and-down movement speed of the middle beam 18, and a liquid filling box 100 is arranged on the upper beam 17 to timely carry out liquid filling adjustment on the main oil cylinder 12, so that 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; meanwhile, compared with the traditional method that the base plate 15 is arranged at the bottom of the main oil cylinder 12, the height of the base plate 15 can be adjusted through the auxiliary oil cylinder 13 according to actual production requirements, the convenience of use is greatly improved, the auxiliary oil cylinder 13 is provided with the supporting plate 107, the stretching rod 108 is arranged between the supporting plate 107 and the base plate 15, and the bearing capacity of the base plate 15 is greatly improved through the supporting plate 107 matched with the stretching rod 108.
As shown in fig. 3 and 4, a support 101 is provided between the upper beam 17 and the liquid charging tank 100, and the liquid charging tank 100 is fixed by the support 101, thereby improving the stability of the liquid charging tank 100. The number of the liquid filling boxes 100 is two, a communicating pipe 102 is arranged between the two liquid filling boxes 100, the middle part of the communicating pipe 102 is communicated with the main oil cylinder 12 through a communicating valve 103, and the two liquid filling boxes 100 are regulated to accurately and rapidly fill the main oil cylinder 12 through the communicating valve 103, so that 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 middle beam 18 in a penetrating way, and the transition joint 106 is connected with a forging device or a stamping die, so that the convenience of use is further improved.
In the actual use process, 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 box 100 can be overhauled or adjusted conveniently through the top of the upper beam 17 on the escalator 16. The two liquid filling boxes 100 are symmetrically arranged, and guardrails 104 are arranged on two sides of each liquid filling box 100, so that safety of maintenance personnel or operation personnel is ensured through the guardrails 14. As shown in fig. 1, in the actual installation process, a foundation pit needs to be dug 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 accessories on the bottom of the oil pressure device 1 are further protected through the foundation sheath 300, 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 accumulator group 21, an oil pump group 22 and an oil storage tank 23, where an oil drain port of the accumulator group 21 is communicated with an upper cavity port of the main oil cylinder 12 and is provided with an energy storage oil drain valve 24, a lower cavity port of the main oil cylinder 12 is provided with a pressure control valve group 25, and a first dead weight quick-down valve 26 and a slow-down valve 27 are connected in parallel between the pressure control valve group 25 and the lower cavity port of the main oil cylinder 12, an oil inlet end of the accumulator group 21 is communicated with an output end of the pressure control valve group 25 and is provided with an energy storage oil inlet valve 28, an output end of the pressure control valve group 25 is communicated with an upper cavity port of the main oil cylinder 12 and is provided with a master cylinder oil inlet valve 29 and an upper cavity oil drain valve 30, and a lower cavity port of the main oil cylinder 12 is communicated with an output end of the pressure control valve group 25.
As shown in fig. 6, the lower cavity port of the main cylinder 12 is provided with a second dead weight quick-down valve 201, the first dead weight quick-down valve 26 and the slow-down valve 27 are connected in parallel between the second dead weight quick-down valve 201 and the pressure control valve group 25, when the first dead weight quick-down valve 26 and the slow-down valve 27 are simultaneously opened, the total oil output of the lower cavity port of the main cylinder 12 can be controlled through the second dead weight quick-down valve 201, so that the flow control mode of hydraulic oil in the lower cavity port of the main cylinder 12 is further increased, and the convenience of oil path control and overhaul is improved; a check valve group 202 is arranged between the pressure control valve group 25 and the oil pump group 22, and the 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 bank 25 and the oil inlet end of the energy storage oil inlet valve 28, and an oil path between the output end of the pressure control valve bank 25 and the oil inlet end of the energy storage oil inlet valve 28 is timely blocked through the oil filling switch valve 203, so that hydraulic oil from a lower cavity opening of the main oil cylinder 12 is prevented from being stagnated in the oil path, and the accuracy of the flow of the hydraulic oil from the lower cavity opening of the main oil cylinder 12 is influenced.
The operation flow is as follows:
1) The self weight of the main oil cylinder 12 rapidly descends: the starting equipment, the pressure control valve bank 25 is electrified and pressurized, the main cylinder oil inlet valve 29 is electrified to start the oil inlet of the upper cavity of the main oil cylinder 12, the first dead weight quick-down valve 26 and the second dead weight quick-down valve 201 are electrified to start the oil discharge of the lower cavity of the main oil cylinder 12, the main oil cylinder realizes the dead weight quick-down, and meanwhile, the upper cavity of the main oil cylinder 12 is complemented with oil;
2) The master cylinder 12 descends slowly: the travel switch sends a signal, the pressure control valve bank 25 is electrified and pressed, the main cylinder oil inlet valve 29 is electrified and opens the upper cavity oil inlet of the main oil cylinder 12, the slow descending valve 27 and the second dead weight fast descending valve 201 are electrified and open the lower cavity oil outlet of the main oil cylinder 12, the first dead weight fast 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 complemented with oil;
3) The master cylinder 12 rapidly forges the workpiece: the travel switch sends out signals, the pressure control valve bank 25 is electrified and pressed, the main cylinder oil inlet valve 29 is electrified to start oil inlet of the upper cavity of the main oil cylinder 12, the slow down valve 27 and the second dead weight fast down valve 201 are electrified to start oil discharge of the lower cavity of the main oil cylinder 12, the first dead weight fast down valve 26 is powered off and closed, the energy storage oil inlet valve 28 is electrified and opened, the energy storage group 21 discharges oil, the upper cavity of the main oil cylinder 12 simultaneously obtains oil flow of the oil storage tank 23 and the energy storage group 21, and the quick down forging of the workpiece by the main oil cylinder 12 is realized;
4) Return stroke of the master cylinder 12: the travel switch sends a signal, the pressure control valve bank 25 is electrified and pressed, the lower cavity oil inlet valve 200 is electrified to start the lower cavity oil inlet of the main oil cylinder 12, the upper cavity oil discharge valve 30 is electrified to start the upper cavity oil discharge of the main oil cylinder 12, and the return motion is realized until the return motion is stopped;
5) And (3) filling oil into the energy accumulator group: the travel switch sends out a signal, the pressure control valve bank 25 is electrified to start pressure, the energy storage oil inlet valve 28 and the oil filling switch valve 203 are electrified to open, the oil storage tank 23 supplements oil for the energy storage device 21, the oil supplementing is stopped after the set pressure is reached, and after the energy storage device 21 finishes the oil discharging action, the high-pressure hydraulic oil is refilled for the energy storage device 21 by the oil storage tank 23 by utilizing the gap time of taking and placing workpieces.
In the actual installation process, the quick cylinder 19 and the main oil cylinder 12 synchronously run, and the quick cylinder 19 can be independently installed on the oil pressure device 1 according to actual requirements for independent control; meanwhile, as shown in fig. 7, the input port of the quick cylinder 19 is communicated with the output port of the energy storage oil drain valve 24, the output port of the quick cylinder 19 is communicated with the input port of the second dead weight quick-down valve 201, when the stroke is opened Guan Fa, the pressure control valve bank 25 is electrified and pressed, the main cylinder oil inlet valve 29 is electrified to open the upper cavity oil inlet of the main cylinder 12, the slow down valve 27 and the second dead weight quick-down valve 201 are electrified to open the lower cavity oil drain of the main cylinder 12, the first dead weight quick-down valve 26 is powered off and the energy storage oil inlet valve 28 is electrified to open, the energy storage oil drain of the energy storage group 21 is discharged to the upper cavities of the quick cylinder 19 and the main cylinder 12, the upper cavities of the main cylinder 12 simultaneously obtain the oil flow of the oil storage tank 23 and the energy storage group 21, and the work piece is forged by the quick cylinder 19 to further accelerate the main cylinder 12.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the specification and drawings of the present invention or direct/indirect application in other related technical fields are included in the scope of the present invention.
Claims (6)
1. A large tonnage metal hot forging forming apparatus with hydraulic energy storage, comprising:
the oil pressure device (1), oil pressure device (1) includes base (11), master cylinder (12) and auxiliary cylinder (13), be provided with down beam (14) on base (11), auxiliary cylinder (13) are installed in the middle part of down beam (14), and are equipped with backing plate (15) on the output of auxiliary cylinder (13) to through the height of auxiliary cylinder (13) adjustment backing plate (15), be equipped with backup pad (107) on auxiliary cylinder (13), be equipped with stretching rod (108) between backup pad (107) and backing plate (15), the top of down beam (14) is indulged and is equipped with a plurality of stand (16), the top of stand (16) is equipped with upper beam (17), be equipped with middle beam (18) between upper beam (17) and lower beam (14), middle beam (18) are mobilizable to be set up on stand (16), master cylinder (12) are installed the middle part of upper beam (17), and are equipped with two quick cylinders (19) around master cylinder (12), the top of master cylinder (12) and output beam (19) are equipped with quick-operation box (100) on the top of upper beam (18), the liquid filling box (100) is communicated with the main oil cylinder (12);
the oil pipe loop system (2), 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 drain port of the energy accumulator group (21) is communicated with an upper cavity port of a main oil cylinder (12) and is provided with an energy storage oil drain valve (24), a lower cavity port of the main oil cylinder (12) is provided with a pressure control valve group (25), a first dead weight quick-down valve (26) and a slow-down valve (27) are connected in parallel between the pressure control valve group (25) and the lower cavity port of the main oil cylinder (12), an oil inlet end of the energy accumulator group (21) is communicated with an output end of the pressure control valve group (25) and is provided with an energy storage oil inlet valve (28), an output end of the pressure control valve group (25) is communicated with an upper cavity port of the main oil cylinder (12) and is provided with a main cylinder oil inlet valve (29) and an upper cavity oil drain valve (30), and a lower cavity port of the main oil cylinder (12) is communicated with an output end of the pressure control valve group (25) and is provided with a lower cavity oil inlet valve (200);
a second dead weight quick-down valve (201) is arranged at a lower cavity opening of the main oil cylinder (12), and the first dead weight quick-down valve (26) and the slow-down valve (27) are connected in parallel between the second dead weight quick-down valve (201) and the pressure control valve group (25); a one-way valve group (202) is arranged between the pressure control valve group (25) and the oil pump group (22); 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 accumulator group (21).
2. A large tonnage metal hot forging apparatus with hydraulic energy storage according to claim 1, wherein: a support (101) is arranged between the upper beam (17) and the liquid filling box (100).
3. A large tonnage metal hot forging apparatus with hydraulic energy storage according to claim 2, wherein: the number of the liquid filling boxes (100) is two, a communicating pipe (102) is arranged between the two liquid filling boxes (100), and the middle part of the communicating pipe (102) is communicated with the main oil cylinder (12) through a communicating valve (103).
4. A large tonnage metal hot forging apparatus with hydraulic energy storage according to claim 3, wherein: the two liquid filling boxes (100) are symmetrically arranged, and guardrails (104) are arranged on two sides of the two liquid filling boxes (100).
5. A large tonnage metal hot forging 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. A large tonnage metal hot forging apparatus with hydraulic energy storage according to claim 1, wherein: the output end of the main oil cylinder (12) is provided with a transition joint (106) connected with the middle beam (18) in a penetrating way.
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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
|---|---|
| CN114483680A CN114483680A (en) | 2022-05-13 |
| CN114483680B true CN114483680B (en) | 2024-01-05 |
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| CN202210063124.9A Active CN114483680B (en) | 2022-01-20 | 2022-01-20 | Large-tonnage metal hot forging forming equipment with hydraulic energy storage function |
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| CN115255097A (en) * | 2022-08-16 | 2022-11-01 | 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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| CN111706559A (en) * | 2020-07-08 | 2020-09-25 | 天津市天锻压力机有限公司 | Quick stamping hydraulic system |
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| US8282532B2 (en) * | 2008-12-25 | 2012-10-09 | Aisin Aw Co., Ltd. | Vehicle drive apparatus |
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| CN114483680A (en) | 2022-05-13 |
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