CN116638062A - Efficient liquid die forging device and method - Google Patents
Efficient liquid die forging device and method Download PDFInfo
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- CN116638062A CN116638062A CN202310690240.8A CN202310690240A CN116638062A CN 116638062 A CN116638062 A CN 116638062A CN 202310690240 A CN202310690240 A CN 202310690240A CN 116638062 A CN116638062 A CN 116638062A
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- 238000005242 forging Methods 0.000 title claims abstract description 162
- 239000007788 liquid Substances 0.000 title claims abstract description 146
- 238000000034 method Methods 0.000 title claims description 84
- 238000005507 spraying Methods 0.000 claims abstract description 17
- 230000008569 process Effects 0.000 claims description 61
- 238000005266 casting Methods 0.000 claims description 25
- 230000007246 mechanism Effects 0.000 claims description 20
- 229910001338 liquidmetal Inorganic materials 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000009740 moulding (composite fabrication) Methods 0.000 description 34
- 238000010586 diagram Methods 0.000 description 9
- 238000001125 extrusion Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 229910001141 Ductile iron Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009716 squeeze casting Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/02—Pressure casting making use of mechanical pressure devices, e.g. cast-forging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
- B22D29/04—Handling or stripping castings or ingots
- B22D29/06—Strippers actuated by fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D33/00—Equipment for handling moulds
- B22D33/005—Transporting flaskless moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D33/00—Equipment for handling moulds
- B22D33/02—Turning or transposing moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D35/00—Equipment for conveying molten metal into beds or moulds
- B22D35/04—Equipment for conveying molten metal into beds or moulds into moulds, e.g. base plates, runners
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Forging (AREA)
Abstract
The application discloses a high-efficiency liquid die forging device, which comprises: the liquid forging station is provided with at least two liquid forging machines, and the outer stations are arranged adjacently to the liquid forging stations; the outer station or one side of the outer station is provided with pouring equipment, workpiece taking equipment and spraying equipment, the sliding rail is arranged between the liquid forging station and the outer station, the movable workbench can be used for pouring on the outer station through the pouring equipment, workpiece taking through the workpiece taking equipment and spraying through the spraying equipment, and pressurized liquid forging forming can be carried out on the liquid forging station through the liquid forging machine; the liquid forging work is carried out by adopting the cooperation of a plurality of off-machine stations and one liquid forging station, the liquid forging station can carry out the pressurized liquid forging forming work on other movable working tables after carrying out the pressurized liquid forging forming work on one movable working table, the utilization rate of pressurized liquid forging forming equipment is high, the working efficiency of one pressurized liquid forging forming equipment is more than twice that of the existing equipment, and the overall production efficiency is improved.
Description
Technical Field
The application relates to the field of liquid die forging, in particular to a high-efficiency liquid die forging device and method.
Background
Liquid forging, also known as squeeze casting and continuous casting and forging, is an emerging metal forming process with casting characteristics and similar die forging. The method is to directly pour a certain amount of cast metal liquid into a cavity coated with lubricant, apply mechanical static pressure, utilize the free flow and forging technology during casting, solidification and forming of metal to make solidified hard shell produce plastic deformation, make metal crystallize and solidify under pressure and forcedly eliminate shrinkage cavity and shrinkage cavity formed by solidification and shrinkage, so as to obtain the liquid die forging product without casting defects.
The liquid forging process comprises the steps of casting, pressurized liquid forging forming, die opening and component taking, blowing, spraying and the like, and the steps are sequentially carried out according to the sequence. The whole process time is about 60 to 90 seconds, the production efficiency is lower, the time of the pressurized liquid forging forming is only a few seconds, but in one set of working procedures, all working procedures except the pressurized liquid forging forming are not needed to use pressurized liquid forging forming equipment, so that the pressurized liquid forging forming equipment is in an idle state for a long time, and the utilization rate is lower.
In view of this, it is a technical problem that needs to be solved by those skilled in the art to provide a liquid forging apparatus and method for improving the utilization rate of the pressurized liquid forging forming equipment and the overall production efficiency.
Disclosure of Invention
The application aims to provide a high-efficiency liquid forging device and a high-efficiency liquid forging method, which are used for solving the problems existing in the prior art and improving the utilization rate and the overall production efficiency of pressurized liquid forging forming equipment.
In order to achieve the above object, the present application provides the following solutions: the application provides a high-efficiency liquid die forging device, which comprises: the liquid forging station is provided with a liquid forging machine; the outer stations are at least two, and the outer stations are arranged at the liquid forging station; the casting equipment and/or the piece taking equipment and/or the spraying equipment are arranged on the outer station or on one side of the outer station; the sliding rail is arranged between the liquid forging station and the off-machine station; the movable workbench is in sliding connection with the sliding rail and can slide to the liquid forging station or the off-machine station, and the movable workbench can be poured on the off-machine station through the pouring equipment, taken by the taking equipment and sprayed by the spraying equipment; the liquid forging machine can be used for pressing liquid forging forming on the liquid forging station.
The beneficial effects of the application are as follows: the liquid forging work is carried out by adopting the cooperation of a plurality of off-machine stations and one liquid forging station, the liquid forging station can carry out the pressurized liquid forging forming work on other movable working tables after carrying out the pressurized liquid forging forming work on one movable working table, the utilization rate of pressurized liquid forging forming equipment is high, the working efficiency of one pressurized liquid forging forming equipment is more than twice that of the existing equipment, and the overall production efficiency is improved.
Further, the mobile workbench comprises: the lower platen is provided with a pulley and a driving mechanism below, the pulley is in sliding connection with the sliding rail, and the driving mechanism provides power for the pulley; the lower die is fixedly arranged on the lower platen; the upper die is arranged on the lower die, and a die cavity is formed between the upper die and the lower die; the upper platen is fixedly arranged on the upper die; when the movable table is positioned at the liquid forging station, the liquid forging machine presses down the upper platen from above and presses down the platen from below.
Further, the mobile workbench further comprises: the upper opening of the pouring pipeline penetrates through the upper platen and is communicated with the outside, and an inner runner is arranged near the bottom of the pouring pipeline and is communicated with the die cavity; the lower cylinder is fixedly arranged on the lower surface of the lower platen, and the output end of the lower cylinder penetrates through the lower platen and extends into the pouring pipeline; the lower pressure head is fixedly arranged at the output end of the lower cylinder, the outer edge of the lower pressure head is tightly attached to the inner side wall of the pouring pipeline, the lower cylinder can drive the lower pressure head to move up and down, the inner pouring channel can be communicated with the pouring pipeline when the lower pressure head moves down, and the inner pouring channel can be closed when the lower pressure head moves up; the hydraulic forging machine is provided with an upper pressure head, the upper pressure head can extend into the pouring pipeline, and the outer edge of the upper pressure head is tightly attached to the inner side wall of the pouring pipeline. The lower pressure head is actually equivalent to a movable valve of the inner pouring gate, the inner pouring gate is opened when the lower pressure head moves downwards, pouring can be carried out in the die cavity, the inner pouring gate is closed when the lower pressure head moves upwards, the poured liquid metal can stay in the die cavity, and the lower pressure head is made of heat-resistant materials. The hydraulic forging machine is used for providing a mold locking force and an upward extrusion force, and the mold locking force is provided by a main cylinder of the hydraulic forging machine and is used for tightly pressing and locking the upper platen and the lower platen of the movable workbench; the upper extrusion force is provided by an upper extrusion cylinder of the liquid forging machine to drive an upper pressure head for upper pressurization liquid forging forming.
Further, the method further comprises the following steps: the mold opening and closing oil cylinder is positioned outside the upper mold and the lower mold, the mold opening and closing oil cylinder is fixedly arranged on the lower platen, the output end of the mold opening and closing oil cylinder is fixedly connected with the upper platen, and the mold opening and closing oil cylinder can pull the upper platen to move up and down. The die opening and closing oil cylinder is used for separating the upper die from the lower die up and down when the workpiece is taken out, and then the workpiece can be taken out through workpiece taking equipment, and the die locking and pressing force of the hydraulic forging machine on the upper platen and the lower platen is only ensured to lock the upper die and the lower die, so that the output end of the die opening and closing oil cylinder is not influenced.
Further, the method further comprises the following steps: the top piece mechanism is fixedly arranged on the lower surface of the upper platen, the output end of the top piece mechanism is vertically downward and fixedly connected with the top piece mechanism, the lower end of the top piece mechanism penetrates through the upper die and can extend into the die cavity, and the volume of the die cavity in the upper die is larger than that in the lower die. After the die is opened, the product can be left on the die, the die cavity in the upper die is larger in volume and can be left in the upper die, the product can be moved upwards along with the upper die during the die opening by the action of the die opening and closing oil cylinder, and at the moment, the product can be pushed downwards to be separated from the upper die by starting the top piece oil cylinder through the top piece mechanism.
Further, the top piece mechanism comprises a pushing plate and a push rod, the upper end of the pushing plate is fixedly connected with the output end of the top piece oil cylinder, the push rod is arranged at the lower end of the pushing plate, and the lower end head of the push rod penetrates through the upper die and is flush with the inner surface of the upper die. The upper die is used for ensuring that the ejector rod can extend into the die cavity to push out the product downwards, a channel for the ejector rod to move is formed through the upper surface and the lower surface, the lower end of the channel is communicated with the die cavity, and when the liquid forging forming process is carried out, the extrusion force cannot be generated on the product due to the fact that the lower end of the channel is hollow, so that the upper surface of the product can possibly form a bulge with the cross section shape of the channel.
The application also provides a high-efficiency liquid die forging method, which comprises the following steps of:
s1: installing movable work stations on a plurality of off-machine stations, wherein the number of the movable work stations is the same as or less than that of the off-machine stations;
s2: the pouring process is carried out on the movable working tables on the plurality of off-machine stations at intervals, and the movable working table which completes the pouring process firstly moves to the liquid forging station;
s3: the movable workbench for completing the pouring process locks the upper platen and the lower platen through the liquid forging machine and performs the pressurizing liquid forging forming process by downwards moving the upper pressing head;
s4: the movable workbench which completes the pressurized liquid forging forming process is moved to the original machine outer station or other machine outer stations without movable workbench, and the workpiece taking process and the spraying process are carried out on the moved machine outer station;
s5: and (3) moving the next movable workbench for completing the pouring process to the liquid forging station, and repeating the steps S3 and S4.
The beneficial effects of adopting above-mentioned technical scheme are:
except that the pressurizing liquid forging forming process is finished at a liquid forging station, other processes are all carried out at off-machine stations, and the movable work tables on all off-machine stations adopt a casting method of interval casting, so that the movable work tables on a plurality of stations can finish the casting process at different times and sequentially enter the liquid forging station to carry out pressurizing liquid forging forming, and in the same time (except in an initial state), the liquid forging station and all off-machine stations are carried out in different processes, so that the technical effect that one liquid forging machine is matched with a plurality of movable work tables to carry out liquid forging forming work is realized, and the production efficiency is greatly improved. In addition, the heat preservation time of the liquid metal in the pouring equipment can be shortened, the energy consumption and the production cost are reduced, a guarantee is provided for the application of the liquid die forging technology in the production of ductile iron castings and vermicular cast iron castings, and the problem of spheroidization degradation is avoided.
Further, in the step S2, the casting process includes the following steps:
s201: starting a lower cylinder, and driving a lower pressure head to move downwards by the lower cylinder and communicating an inner pouring channel with a pouring pipeline;
s202: pouring equipment is used for pouring liquid metal into the pouring pipeline, and the liquid metal flows into a die cavity from the pouring pipeline through an inner pouring gate;
further, in the step S3, the pressurized liquid forging forming step includes:
s301: the upper pressure head of the liquid forging machine stretches into the pouring pipeline to compress the pouring pipeline and the liquid metal in the die cavity;
s302: after the step S301 is finished, a lower cylinder is started, and drives a lower pressing head to move upwards and closes the inner pouring channel.
Further, in the step S4, the pick-up procedure includes the following steps:
s401: opening a die, starting an opening and closing die cylinder, wherein the upper top of the output end of the opening and closing die cylinder drives the upper platen and the upper die to move upwards together, and a product is left in a die cavity in the upper die;
s402: the method comprises the steps that a piece is taken, a top piece oil cylinder is started, the output end of the top piece oil cylinder moves downwards to drive a pushing plate and a top rod to move downwards together, and the top rod pushes a product downwards from a die cavity in the upper die to fall onto piece taking equipment;
s403, closing the mold, starting the mold opening and closing oil cylinder, and enabling the mold opening and closing oil cylinder to move downwards to drive the upper platen and the upper mold to move downwards together until the upper mold is combined with the lower mold, so that the next casting process is ready.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a mobile workbench according to the present application;
FIG. 2 is a diagram showing the arrangement of the movable table in the working state in embodiment 1;
FIG. 3 is a diagram showing the arrangement of the movable table in another working state in embodiment 1;
FIG. 4 is a diagram showing the arrangement of the movable table in another working state in embodiment 1;
FIG. 5 is a diagram showing the arrangement of the movable table in the working state in embodiment 2;
FIG. 6 is a diagram showing the arrangement of the movable table in another working state in embodiment 2;
FIG. 7 is a diagram showing a layout of a movable table in another working state in embodiment 2;
fig. 8 is a diagram showing a layout of a movable table in another operation state in embodiment 2;
fig. 9 is a diagram showing a layout of a movable table in another operation state in embodiment 2;
wherein, 1, liquid forging station; 2. a hydraulic forging machine; 3. an off-machine station; 301. a first station; 302. a second station; 303. a third station; 304. a fourth station; 305. a fifth station; 306. a sixth station; 4. a slide rail; 5. a movable table; 501. a first work table; 502. a second work table; 503. a third table; 504. a fourth table; 505. a fifth table; 6. a lower platen; 7. a lower die; 8. an upper die; 9. an upper platen; 10. pouring a pipeline; 11. an inner runner; 12. a lower cylinder; 13. a lower pressure head; 14. opening and closing the die cylinder; 15. a top oil cylinder; 16. a pushing plate; 17. and (5) a push rod.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In order that the above-recited objects, features and advantages of the present application will become more readily apparent, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description.
Example 1
As shown in fig. 1 to 4, the present embodiment provides a high-efficiency liquid die forging apparatus including: the liquid forging station 1 is provided with a liquid forging machine 2; the outer stations 3 are arranged, the number of the outer stations 3 is two, and the outer stations 3 are arranged adjacent to the liquid forging station 1; one side of the station 3 outside the machine is provided with pouring equipment, workpiece taking equipment and spraying equipment; the sliding rail 4 is arranged between the hydraulic forging station 1 and the off-machine station 3, and in the embodiment, the pulley adopts a direction-changeable pulley or a universal wheel, so that the movable workbench 5 can slide towards the sliding rail 4 in any direction; the movable workbench 5 is in sliding connection with the sliding rail 4 and can slide to the liquid forging station 1 or the off-machine station 3, and the movable workbench 5 can be cast on the off-machine station 3 through casting equipment, taken out through taking-out equipment and sprayed through spraying equipment; the liquid forging forming can be performed by pressing the liquid forging machine 2 on the liquid forging station 1.
In the present embodiment, the mobile station 5 includes: the lower bedplate 6, there are pulleys and driving mechanisms below the lower bedplate 6, the pulley is slidably connected with slide rail 4, the driving mechanism provides power for pulley; the lower die 7 is fixedly arranged on the lower platen 6; the upper die 8 is arranged on the lower die 7, and a die cavity is formed between the upper die 8 and the lower die 7; an upper platen 9, the upper platen 9 being fixedly provided on the upper die 8; when the movable table 5 is located at the liquid forging station 1, the liquid forging machine 2 presses down the upper platen 9 from above and presses down the platen 6 from below. The mobile station 3 further comprises: the pouring pipeline 10, the upper opening of the pouring pipeline 10 penetrates through the upper platen 9 and communicates with outside, the pouring pipeline 10 is provided with the inner runner 11 near its bottom, the inner runner 11 communicates with die cavity; a lower cylinder 12, the lower cylinder 12 is fixedly arranged on the lower surface of the lower platen 6, and the output end of the lower cylinder penetrates through the lower platen 6 and extends into the pouring pipeline 10; the lower pressure head 13 is fixedly arranged at the output end of the lower cylinder 12, the outer edge of the lower pressure head 13 is tightly attached to the inner side wall of the pouring pipeline 10, the lower cylinder 12 can drive the lower pressure head 13 to move up and down, the inner pouring channel 11 can be communicated with the pouring pipeline 10 when the lower pressure head 13 moves down, and the inner pouring channel 11 can be closed when the lower pressure head 13 moves up; the hydraulic forging machine 2 has an upper ram which can extend into the pouring tunnel 10 with its outer edge in close contact with the inner side wall of the pouring tunnel 10. Further comprises: the mold opening and closing oil cylinder 14 is positioned outside the upper mold 8 and the lower mold 7, the mold opening and closing oil cylinder 14 is fixedly arranged on the lower platen 6, the output end of the mold opening and closing oil cylinder 14 is fixedly connected with the upper platen 9, and the mold opening and closing oil cylinder 14 can pull the upper platen 9 to move up and down. When the mold opening and closing oil cylinder 14 is used for taking out the workpiece, the upper mold 8 and the lower mold 7 are separated up and down, and then the workpiece can be taken out through the workpiece taking equipment.
In this embodiment, further comprising: the top piece oil cylinder 15 and the top piece mechanism, the top piece oil cylinder 15 is fixedly arranged on the lower surface of the upper platen 9, the output end of the top piece oil cylinder is vertically downward and fixedly connected with the top piece mechanism, the lower end of the top piece mechanism penetrates through the upper die 8 and can extend into the die cavity, and the volume of the die cavity in the upper die 8 is larger than that in the lower die 7.
In this embodiment, the top piece mechanism includes a pushing plate 16 and a push rod 17, the upper end of the pushing plate 16 is fixedly connected with the output end of the top piece cylinder 15, the push rod 17 is disposed at the lower end of the pushing plate 16, and the lower end of the push rod 17 penetrates through the upper die 8 and is flush with the inner surface of the upper die 8.
The specific liquid forging method comprises the following steps:
s1: as shown in fig. 2, a mobile workbench 5 is respectively installed on two off-board stations 3, the two off-board stations 3 are a first station 301 and a second station 302 respectively, and the corresponding mobile workbench 5 is a first workbench 501 and a second workbench 502 respectively;
s2: the first workbench 501 and the second workbench 502 perform a pouring process at intervals (the intervals are calculated according to the specific time of the actual process, when the first workbench 501 is subjected to the pressurized liquid forging forming process, the second workbench 502 just completes the optimal pouring process and can be connected with the process in high efficiency), the lower cylinder 12 is started during pouring, and the lower cylinder 12 drives the lower pressure head 13 to move downwards and communicates the ingate 11 with the pouring pipeline 10; the pouring equipment injects liquid metal into the pouring pipeline 10, and the liquid metal flows into the die cavity from the pouring pipeline 10 through the ingate 11;
s3: as shown in fig. 3, the first table 501 locks the upper platen 9 and the lower platen 6 by the liquid forging machine 2 and performs the pressurized liquid forging forming process by moving the upper ram downward; when the pressurized liquid forging is carried out, an upper pressure head of the liquid forging machine extends into the pouring pipeline 10 to compress the pouring pipeline 10 and liquid metal in the die cavity; after the pressurized liquid forging forming is finished, the lower cylinder 12 is started, and the lower cylinder 12 drives the lower pressing head 13 to move upwards and close the inner pouring channel 11.
S4: as shown in fig. 4, the first table 501 after the completion of the pressurized liquid forging process is returned to the first station 301, and at this time, the second table 502 is slid to the liquid forging station 1 after the casting process is completed. Meanwhile, the first workbench 501 performs a spraying process and a picking process on the first station 301, the spraying process is prior, the picking process is subsequent, and the picking process specifically comprises the following steps: opening the die, starting an opening and closing oil cylinder 14, driving an upper platen 9 and an upper die 8 to move upwards together by pushing up the output end of the opening and closing oil cylinder 14, and leaving a product in a die cavity in the upper die 8; the workpiece is taken, a workpiece ejection cylinder 15 is started, the output end of the workpiece ejection cylinder 15 moves downwards to drive a pushing plate 16 and a push rod 17 to move downwards together, and the push rod 17 pushes a product downwards from a die cavity in the upper die 8 to fall onto workpiece taking equipment; and (3) closing the mold, starting a mold opening and closing oil cylinder 14, and moving the mold opening and closing oil cylinder 14 downwards to drive the upper platen 9 and the upper mold 8 to move downwards together until the upper mold 8 and the lower mold 7 are combined, so that the next casting process is ready.
S5: the pouring process is performed again on the first working table 501, when the pouring process of the first working table 501 is completed, the first working table 501 is withdrawn from the liquid forging station 1 to the second station 302, and the first working table 501 can be moved to the liquid forging station 1 to perform pressurized liquid forging forming.
In this way, the first table 501 and the second table 502 enter the liquid forging station 1 at intervals to perform the pressurized liquid forging forming process. In this embodiment, the idle time of the liquid forging machine 2 is still greatly shortened compared with the existing equipment, so that the utilization rate of the liquid forging machine 2 is effectively improved, and the production efficiency is improved.
Example 2
The difference between this embodiment and embodiment 1 is that there are four off-board stations 3, three moving tables 5, and the four off-board stations 3 are a third station 303, a fourth station 304, a fifth station 305, and a sixth station 306, the moving tables 5 are a third station 503, a fourth station 504, and a fifth station 505, and the sixth station 306 is empty, respectively, and no moving table 5 is provided.
The specific liquid forging method comprises the following steps:
s1: as shown in fig. 5, a third table 503, a fourth table 504 and a fifth table 505 are respectively installed on the third station 303, the fourth station 304 and the fifth station 305;
s2: the third working table 503, the fourth working table 504 and the fifth working table 505 are used for carrying out a pouring process at intervals, and the third working table 503 is moved to the liquid forging station 1 after the pouring process is finished;
s3: as shown in fig. 6, the third table 503 is compressed by the hydraulic forging machine 2 to press the upper platen 9 and the lower platen 6 to perform a press hydraulic forging forming process;
s4: as shown in fig. 7, the third table 503 having completed the pressurized liquid forging process is moved to the sixth station 306, and at this time, the fourth table 504 ends the pouring process and slides to the liquid forging station 1 to perform the pressurized liquid forging process. Meanwhile, the third table 503 performs a spraying process and a picking process on the sixth station 306, and performs the next pouring process.
S5: as shown in fig. 8, the fourth table 504, which completes the pressurized liquid forging process, is moved to the third station 303, and at this time, the fifth table 505 ends the pouring process and slides to the liquid forging station 1 to perform the pressurized liquid forging process. At the same time, the fourth stage 504 performs the spraying process and the picking process at the third stage 303, and performs the next pouring process.
S6: as shown in fig. 9, the fifth table 505 having completed the pressurized liquid forging process is moved to the fourth station 304, and at this time, the third table 503 is slid to the liquid forging station 1 after the pouring process is completed, and the pressurized liquid forging process is performed.
In this way, the third working table 503, the fourth working table 504 and the fifth working table 505 can be circulated into the liquid forging station 1 to perform the pressurized liquid forging forming operation, and compared with the existing equipment, the liquid forging machine 2 in this embodiment basically has no idle time, and one liquid forging machine 2 is matched with three moving working tables 5 to complete the liquid forging forming operation, so that the utilization rate is extremely high, and the production efficiency can be greatly improved.
The application provides a high-efficiency liquid forging device and a method, wherein, except that the pressurizing liquid forging forming process is finished at a liquid forging station 1, other processes are all carried out at an off-machine station 3, and a casting method of casting at intervals is adopted by a movable workbench 5 on each off-machine station 3, so that the movable workbench 5 on a plurality of stations can finish the casting process at different times and sequentially enter the liquid forging station 1 to carry out pressurizing liquid forging forming, and in the same time (except in an initial state), the liquid forging station 1 and all off-machine stations 3 are carried out in different processes, thereby realizing the technical effect that one liquid forging machine 2 is matched with a plurality of movable workbench 5 to carry out liquid forging forming work, and greatly improving the production efficiency. In addition, the heat preservation time of the liquid metal in the pouring equipment can be shortened, the energy consumption and the production cost are reduced, a guarantee is provided for the application of the liquid die forging technology in the production of ductile iron castings and vermicular cast iron castings, and the problem of spheroidization degradation is avoided.
In the description of the present application, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
The above embodiments are only illustrative of the preferred embodiments of the present application and are not intended to limit the scope of the present application, and various modifications and improvements made by those skilled in the art to the technical solutions of the present application should fall within the protection scope defined by the claims of the present application without departing from the design spirit of the present application.
Claims (10)
1. A high efficiency liquid swaging apparatus, comprising:
the hydraulic forging machine comprises a hydraulic forging station (1), wherein a hydraulic forging machine (2) is arranged on the hydraulic forging station (1);
the outer stations (3) are at least two, and the outer stations (3) are arranged adjacent to the liquid forging station (1); the casting equipment and/or the workpiece taking equipment and/or the spraying equipment are arranged on the outer station (3) or on one side of the outer station (3);
the sliding rail (4) is arranged between the hydraulic forging station (1) and the off-machine station (3);
the movable workbench (5) is in sliding connection with the sliding rail (4) and can slide to the liquid forging station (1) or the off-machine station (3), and the movable workbench (5) can be used for casting through the casting equipment, taking parts through the part taking equipment and spraying through the spraying equipment on the off-machine station (3); can be formed by liquid forging under pressure on the liquid forging station (1) through the liquid forging machine (2).
2. A high efficiency liquid forging apparatus as claimed in claim 1, wherein said moving table (5) comprises:
the lower bedplate (6), the lower part of the lower bedplate (6) is provided with a pulley and a driving mechanism, the pulley is in sliding connection with the sliding rail (4), and the driving mechanism provides power for the pulley;
a lower die (7), wherein the lower die (7) is fixedly arranged on the lower platen (6);
an upper die (8), wherein the upper die (8) is arranged on the lower die (7), and a die cavity is formed between the upper die (8) and the lower die (7);
an upper platen (9), wherein the upper platen (9) is fixedly arranged on the upper die (8); when the movable workbench (5) is positioned at the liquid forging station (1), the liquid forging machine (2) presses down the upper platen (9) from above and presses down the platen (6) from below.
3. A high efficiency liquid forging apparatus as recited in claim 2, wherein said moving table (3) further comprises:
the upper opening of the pouring pipeline (10) penetrates through the upper platen (9) and is communicated with the outside, an inner runner (11) is arranged on the pouring pipeline (10) close to the bottom of the pouring pipeline, and the inner runner (11) is communicated with the die cavity;
the lower cylinder (12) is fixedly arranged on the lower surface of the lower platen (6), and the output end of the lower cylinder (12) penetrates through the lower platen (6) and extends into the pouring pipeline (10);
the lower pressure head (13) is fixedly arranged at the output end of the lower cylinder (12), the outer edge of the lower pressure head (13) is tightly attached to the inner side wall of the pouring pipeline (10), the lower cylinder (12) can drive the lower pressure head (13) to move up and down, the inner pouring channel (11) can be communicated with the pouring pipeline (10) when the lower pressure head (13) moves down, and the inner pouring channel (11) can be closed when the lower pressure head (13) moves up; the hydraulic forging machine (2) is provided with an upper pressure head, the upper pressure head can extend into the pouring pipeline (10), and the outer edge of the upper pressure head is tightly attached to the inner side wall of the pouring pipeline (10).
4. The efficient liquid forging apparatus as recited in claim 2, further comprising: the mold opening and closing oil cylinder (14), the mold opening and closing oil cylinder (14) is located outside the upper mold (8) and the lower mold (7), the mold opening and closing oil cylinder (14) is fixedly arranged on the lower platen (6), the output end of the mold opening and closing oil cylinder is fixedly connected with the upper platen (9), and the mold opening and closing oil cylinder (14) can pull the upper platen (9) to move up and down.
5. The efficient liquid forging apparatus as recited in claim 2, further comprising: the top piece oil cylinder (15) and the top piece mechanism are fixedly arranged on the lower surface of the upper platen (9), the output end of the top piece oil cylinder (15) is vertically downward and connected with the top piece mechanism, the lower end of the top piece mechanism penetrates through the upper die (8) and can extend into the die cavity, and the volume of the die cavity in the upper die (8) is larger than that in the lower die (7).
6. The efficient liquid forging device as recited in claim 5, wherein the ejector mechanism comprises a stripper plate (16) and an ejector rod (17), the upper end of the stripper plate (16) is fixedly connected with the output end of the ejector cylinder (15), the ejector rod (17) is arranged at the lower end of the stripper plate (16), and the lower end of the ejector rod (17) penetrates through the upper die (8) and is flush with the inner surface of the upper die (8).
7. The efficient liquid die forging method is characterized by comprising the following steps of:
s1: installing mobile work stations (5) on a plurality of off-board work stations (3), wherein the number of the mobile work stations (5) is the same as the number of the off-board work stations (3) or less than the number of the off-board work stations (3);
s2: the pouring process is carried out on the movable work tables (5) on the plurality of off-machine stations (3) at intervals, and the movable work table (5) for completing the pouring process is moved to the liquid forging station (1);
s3: the movable workbench (5) for completing the pouring process locks an upper platen (9) and a lower platen (6) through the liquid forging machine (2) and performs a pressurizing liquid forging forming process by downwards moving an upper pressing head;
s4: the movable workbench (5) which completes the pressurized liquid forging forming process is moved to the original off-machine station (3) or other off-machine stations (3) without the movable workbench (5), and a workpiece taking process and a spraying process are carried out on the moved off-machine station (3);
s5: and (3) moving the next movable workbench (5) for completing the pouring process to the liquid forging station (1), and repeating the steps S3 and S4.
8. The efficient liquid forging method as recited in claim 7, wherein in said step S2, the casting process includes the steps of:
s201: starting a lower cylinder (12), wherein the lower cylinder (12) drives a lower pressure head (13) to move downwards and communicates an inner pouring channel (11) with a pouring pipeline (10);
s202: the pouring device injects liquid metal into the pouring pipeline (10), and the liquid metal flows into the die cavity from the pouring pipeline (10) through the inner pouring channel (11).
9. The efficient liquid forging method as recited in claim 8, wherein in said step S3, said pressurized liquid forging forming process includes:
s301: the upper pressure head of the liquid forging machine extends into the pouring pipeline (10) to compress the pouring pipeline (10) and liquid metal in the die cavity;
s302: after the step S301 is finished, the lower cylinder (12) is started, and the lower cylinder (12) drives the lower pressure head (13) to move upwards and close the inner pouring channel (11).
10. The method of high efficiency liquid forging according to claim 7, wherein in said step S4, the pick-up process comprises the steps of:
s401: opening a die, starting an opening and closing oil cylinder (14), and enabling the top of the output end of the opening and closing oil cylinder (14) to drive the upper platen (9) and the upper die (8) to move upwards together, so that a product is left in a die cavity in the upper die (8);
s402: the method comprises the steps of taking a part, starting a top oil cylinder (15), enabling an output end of the top oil cylinder (15) to move downwards to drive a pushing plate (16) and a push rod (17) to move downwards together, and enabling the push rod (17) to push a product downwards from a die cavity in an upper die (8) to fall onto a part taking device;
s403, closing the mold, starting the mold opening and closing oil cylinder (14), and enabling the mold opening and closing oil cylinder (14) to move downwards to drive the upper platen (9) and the upper mold (8) to move downwards together until the upper mold (8) is combined with the lower mold (7), so as to prepare for the next casting process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310690240.8A CN116638062A (en) | 2023-06-12 | 2023-06-12 | Efficient liquid die forging device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310690240.8A CN116638062A (en) | 2023-06-12 | 2023-06-12 | Efficient liquid die forging device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116638062A true CN116638062A (en) | 2023-08-25 |
Family
ID=87615286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310690240.8A Pending CN116638062A (en) | 2023-06-12 | 2023-06-12 | Efficient liquid die forging device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116638062A (en) |
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2023
- 2023-06-12 CN CN202310690240.8A patent/CN116638062A/en active Pending
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