CN113231621B - Piston liquid die forging casting machine - Google Patents
Piston liquid die forging casting machine Download PDFInfo
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- CN113231621B CN113231621B CN202110347441.9A CN202110347441A CN113231621B CN 113231621 B CN113231621 B CN 113231621B CN 202110347441 A CN202110347441 A CN 202110347441A CN 113231621 B CN113231621 B CN 113231621B
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- 238000005266 casting Methods 0.000 title claims abstract description 57
- 239000007788 liquid Substances 0.000 title claims abstract description 35
- 238000005242 forging Methods 0.000 title claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 61
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 31
- 238000003825 pressing Methods 0.000 claims description 42
- 230000003111 delayed effect Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 239000000835 fiber Substances 0.000 description 15
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 229910001018 Cast iron Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 150000003839 salts Chemical group 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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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
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/08—Making alloys containing metallic or non-metallic fibres or filaments by contacting the fibres or filaments with molten metal, e.g. by infiltrating the fibres or filaments placed in a mould
- C22C47/12—Infiltration or casting under mechanical pressure
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Forging (AREA)
Abstract
The invention provides a piston liquid die forging casting machine, which comprises: the lathe bed comprises a first workbench; the top die mechanism is connected with the lathe bed through a guide pillar and is positioned above the lathe bed; the outer mold mechanism is arranged above the first workbench; the outer die and the pin hole pressure head are arranged in a matched manner, arranged above the first workbench and respectively connected with the outer die mechanism; the chassis is arranged above the first workbench and positioned between the outer molds at the left side and the right side; the ejection mechanism is arranged below the first workbench; and the mold locking mechanism comprises an upper mold locking mechanism and a lower mold locking mechanism which are respectively distributed on the upper side and the lower side of the first workbench. Through the technical scheme of the invention, the problems that the aluminum piston liquid forging die cannot be left and right parted and a female die is required to be installed on each casting are solved, the working efficiency is improved, the labor intensity is reduced, the multidirectional pressurization of the aluminum piston casting is realized, the tissues of all parts of the casting are compact, and the pressure of a main cylinder is reduced.
Description
Technical Field
The invention relates to the technical field of mechanical equipment, in particular to a piston liquid die forging casting machine.
Background
The piston is used as a core part of the engine and bears severe working conditions such as high temperature, high pressure and the like in the engine. With the increasing requirements of vehicles, engineering machinery, military equipment and the like on power systems, the performance indexes of engines such as power density, explosion pressure and the like are continuously increased, the use working conditions of pistons are more and more rigorous, new technologies such as new processes and new equipment need to be continuously developed to improve the heat load resistance and the mechanical load capacity of the pistons, and meanwhile, in order to meet the lightweight requirements, aluminum pistons are the primary choice. The liquid die forging process integrates the advantages of casting and forging forming, casting defects such as air holes, shrinkage cavities, shrinkage porosity and the like in the casting can be eliminated by applying the process to the aluminum piston, the aluminum piston casting with compact structure and fine microstructure can be obtained by pressure forming, and various performance indexes of the aluminum piston are obviously improved. Particularly, the liquid die forging process can be used for casting the aluminum oxide fiber reinforced integrated aluminum piston casting in the insert ring, so that the reinforcing degree of the aluminum piston is further improved, and the increasingly severe requirements of the working condition of the engine are met. Compared with the common aluminum piston, the limit bearing temperature of the aluminum piston in the insert ring is increased by 30 ℃, the bearing explosion pressure is increased by more than 4MPa, and the aluminum piston can replace part of forged steel products and is a future development trend of the aluminum piston.
However, the existing liquid forging equipment is generally a four-column type oil press, the equipment structure limits that the die design can only adopt a mode of embedding a female die in an integral outer die, each product needs to be repeatedly provided with the female die, the labor intensity of workers is high, the efficiency is low, only a main cylinder can be used for pressurization, the service pressure is high, and the service life of the die is short.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
Therefore, one object of the invention is to provide a piston liquid forging casting machine, which is suitable for batch blank casting of aluminum pistons reinforced by cold aluminum oxide fibers in a ring insert, and the die is left-right parting and can be pressurized in multiple directions without repeatedly installing a female die, so that the labor intensity of workers is low, the operation is convenient, the efficiency is high, the manufacturing cost is low, the service pressure of a main cylinder can be reduced to a certain extent by the aid of the multiple directions of pressurization, the service life of the die is favorably prolonged, and the bearing pressure of a casting in the liquid forging casting machine can reach 50 MPa-400 MPa.
In order to achieve the above object, the present invention provides a piston liquid die forging casting machine, including: a bed comprising a first table; the die ejecting mechanism is connected with the lathe bed through a guide pillar and is positioned above the lathe bed; the outer mold mechanism is arranged above the first workbench; the outer die and the pin hole pressure head are arranged in a matched manner, arranged above the first workbench and respectively connected with the outer die mechanism; the chassis is arranged above the first workbench and is positioned between the left outer die and the right outer die; the ejection mechanism is arranged below the first workbench; and the mold locking mechanism comprises an upper mold locking mechanism and a lower mold locking mechanism which are respectively distributed on the upper side and the lower side of the first workbench.
Preferably, the upper die locking mechanism includes: the small oil cylinders are fastened on an upper table top which is fastened on the middle upper part of the guide pillar; the upper template is fixedly connected to the small oil cylinder and sleeved on the guide pillar; the upper pressing sleeve is fixedly connected to the bottom surface of the upper template, the position of the upper pressing sleeve corresponds to the locked position of the top of the outer mold, the small oil cylinder pushes the upper pressing sleeve to lock the top of the outer mold,
the lower clamping mechanism comprises: the lower pressing sleeve is connected to the lower template through a pressing sleeve guide post, and the position of the lower pressing sleeve corresponds to the locked position of the bottom of the outer die; the lower template is connected to the lower flat plate through a template guide post, the lower flat plate is fixed on a bottom oil cylinder, the bottom oil cylinder pushes the lower pressing sleeve to lock the bottom of the outer mold, and the upper pressing sleeve and the lower pressing sleeve are tightly matched with the outer mold.
Preferably, four guide pillars are arranged above the lathe bed, the four guide pillars are distributed in a rectangular shape with four corners, and the two small oil cylinders are respectively arranged between the two guide pillars on the left side and the right side; the lower pressing sleeve is connected to the lower template through the four pressing sleeve guide posts, and the lower template is connected to the lower flat plate through the four template guide posts.
Preferably, the outer die mechanism comprises: the two side oil cylinders are respectively fixed on the first workbench through bolts and are oppositely arranged; the outer die and the pin hole pressure head are respectively connected with the side oil cylinder through a first connecting structure and a second connecting structure, the side oil cylinder is a sleeve cylinder and pushes the outer die to open and close and the pin hole pressure head to pressurize the pin hole part of the piston; the outer die sliding table and the outer die guide rail are arranged in a matched mode, the outer die sliding table and the outer die guide rail are fixedly arranged on the first workbench and located in a position area between the two side oil cylinders, and the outer die is opened and closed on the outer die sliding table in a sliding mode through the outer die guide rail.
Preferably, the first connecting structure is a mould frame, one side of the mould frame is connected to the side oil cylinder, and the other side of the mould frame is tightly connected with the outer mould; the second connecting structure is a connecting block, the connecting block is located in the die carrier, the connecting block is designed into a lifting structure, and the height of the pin hole pressure head is adjusted.
Preferably, the top die mechanism comprises: the main oil cylinder is fastened on the upper table top; the second workbench is fixedly connected to the main oil cylinder, and four corners of the second workbench are sleeved on the guide pillars; and the top die is fixedly connected with the bottom surface of the second workbench through a flange plate, and the main oil cylinder pushes the second workbench and the top die to open and close the die and pressurize the casting.
Preferably, the ejection mechanism comprises: the bottom oil cylinder is fixedly connected to the bottom of the lathe bed; and the ejector rod is fixedly connected to the bottom oil cylinder, the casting is ejected out under the pushing of the bottom oil cylinder, the bottom oil cylinder is a sleeve cylinder, and the lower pressing sleeve is pushed to lock the bottom of the outer mold and push the ejector rod to eject the casting.
Preferably, the lathe bed further comprises: the bottom protective cover is fixedly connected with the peripheral side edges of the first workbench and covers the lower space of the first workbench; the base supports are distributed and installed at four corners of the bottom of the lathe bed and are perpendicular to the ground.
Preferably, a height adjusting structure is designed on the base support.
The piston liquid die forging casting machine provided by the invention has the following beneficial technical effects:
(1) The mould locking mechanism adopts the original small oil cylinder and the upper and lower pressing sleeve mould locking system, the design of a female mould is not needed, the problems that the left and right parting of an aluminum piston liquid forging mould cannot be realized and the female mould is required to be installed on each casting are solved, the number of production personnel is reduced to 2 by 3, the working efficiency is improved by more than 2 times, the labor intensity is reduced, the batch blank casting of the aluminum piston reinforced by the aluminum oxide fiber in the inlaid ring can be realized, the upper and lower pressing sleeves are tightly matched with the outer mould, the mould locking is realized in a mechanical mode, the mould locking mechanism is safe and reliable, the small oil cylinder and the bottom oil cylinder only play a role in promoting the lifting, the cylinder diameter is small, and the manufacturing cost is low.
(2) The small oil cylinder is used for locking the mold, the price is lower, the manufacturing cost of the liquid die forging casting machine is reduced, the machine body is compact, and the occupied space is smaller.
(3) The side oil cylinder and the bottom oil cylinder are both designed as sleeve cylinders, the side oil cylinder has the functions of opening and closing the die and laterally pressurizing, the bottom oil cylinder has the functions of ejecting a casting, pressurizing the bottom surface and locking the die, and the multi-directional pressurizing of the aluminum piston casting is realized by matching with the main oil cylinder for pressurizing, so that not only is the structure of each part of the casting compact, but also the pressure of the main cylinder is reduced, and the service life of the die is prolonged by more than 2 times.
(4) The main oil cylinder, the side oil cylinder, the bottom oil cylinder and the small oil cylinder can independently regulate pressure, do not interfere with each other, ensure rapid mode locking and simultaneously ensure balanced pressurization in all directions.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 shows a schematic diagram of a piston liquid die forging caster according to one embodiment of the present invention;
FIG. 2 shows a schematic longitudinal sectional view of the piston liquid die forging caster of FIG. 1;
FIG. 3 shows a schematic structural diagram of an aluminum piston casting with an internally cooled aluminum oxide fiber reinforced integrated ring insert manufactured by the piston liquid die forging casting machine provided by the invention,
wherein, the corresponding relationship between the reference numbers and the components in fig. 1 to 3 is:
102, 1021 a first workbench, 1022 a bottom protective cover, 1023 a base support, 104 a top die mechanism, 1041 a master cylinder, 1042 an upper table top, 1043 a second workbench, 1044 a top die, 1045 a flange plate, 106 guide pillars, 108 an outer die mechanism, 1081 side cylinders, 1082 a first connecting structure, 1083 a second connecting structure, 1084 an outer die sliding table, 1085 an outer die guide rail, 110 an outer die, 112 pin hole press heads, 114 a chassis, 116 an ejection mechanism, 1161 a bottom cylinder, 1162 a top rod, 118 a locking mechanism, 1181 a small cylinder, 1182 an upper template, 1183 an upper press sleeve, 1184 a lower press sleeve, 1185 a guide pillar, 1186 a lower template, 1188 a lower plate, 202 an inner cooling alumina fiber reinforced integrated aluminum piston casting, 2021 an alumina fiber insert, 2022 a cast iron cast-in-iron ring and 2023 an inner cooling oil cavity.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A piston liquid forging casting machine according to an embodiment of the present invention will be specifically described below with reference to fig. 1 to 3.
As shown in fig. 1 and 2, a piston liquid forging casting machine according to an embodiment of the present invention includes: the hydraulic die forging machine comprises a machine body 102, a top die mechanism 104, an outer die mechanism 108, an ejection mechanism 116 and a die locking mechanism 118, wherein a hydraulic station supplies oil to oil cylinders of the piston liquid die forging casting machine, the hydraulic station is connected with the machine body 102 through oil conveying steel pipes to ensure stable pressure, the die locking mechanism 118 is distributed on the upper side and the lower side of the machine body 102, the top die mechanism 104 is connected with the machine body 102 through a guide pillar 106, the outer die mechanism 108 is installed above a lower workbench of the machine body 102, and the ejection mechanism 116 is connected below the lower workbench of the machine body 102. An outer die 110 and a pin hole pressure head 112 which are arranged in a matched manner are arranged above the first workbench 1021 and are respectively connected with an outer die mechanism 108; and a chassis 114 installed above the first table 1021 and between the left and right outer molds 110.
As shown in fig. 1 and 2, the bed 102 includes a base support 1023, a bottom shield 1022, a first table 1021, and the bottom shield 1022 fixedly connected to the peripheral sides of the first table 1021, and shielding the lower space of the first table 1021; base support 1023 distributes and installs in lathe bed 102 bottom four corners, base support 1023 and ground perpendicular. A side oil cylinder 1081 and an outer sliding table 1084 are arranged on the upper portion of the first workbench 1021, the outer sliding table 1084 is designed to play a role in reinforcing the lower workbench, and a bottom oil cylinder 1161 is arranged on the lower portion of the first workbench 1021.
Further, a height adjustment structure is designed on base bracket 1023 so that base bracket 1023 can be horizontally adjusted. The bottom guard 1022 uses a steel plate to protect the bottom cylinder 1161 and the lower mold lock mechanism 118.
As shown in fig. 1 and fig. 2, the clamping mechanism 118 includes an upper clamping mechanism 118 and a lower clamping mechanism 118, the upper clamping mechanism 118 is disposed on an upper side of the first workbench 1021, the lower clamping mechanism 118 is disposed on a lower side of the first workbench 1021, and the clamping mechanism 118 includes two small oil cylinders 1181, an upper mold plate 1182, an upper pressing sleeve 1183, a lower pressing sleeve 1184, a pressing sleeve guide pillar 1185, a lower mold plate 1186, and a mold plate guide pillar 1187. Wherein, go up clamping mechanism 118 mechanism and include: the two small oil cylinders 1181 are arranged, the small oil cylinders 1181 are fastened on the upper table surface 1042, the upper table surface 1042 is fastened on the middle upper part of the guide columns 106,4 guide columns 106,4 are arranged above the machine body 102 in a rectangular shape with four corners, and the two small oil cylinders 1181 are respectively arranged between the two guide columns 106 on the left side and the right side; the upper template 1182 is fixedly connected to the small oil cylinder 1181, and the upper template 1182 is sleeved on the guide pillar 106; the upper pressing sleeve 1183 is fixedly connected to the bottom surface of the upper template 1182, the position of the upper pressing sleeve 1183 corresponds to the position where the top of the outer mold 110 is locked, and the small oil cylinder 1181 pushes the upper pressing sleeve 1183 to lock the top of the outer mold 110. The lower mold locking mechanism 118 includes: a lower pressing sleeve 1184 connected to the lower template 1186 through four pressing sleeve guide pillars 1185, wherein the position of the lower pressing sleeve 1184 corresponds to the locked position of the bottom of the outer mold 110; the lower template 1186 is connected to the lower plate 1188 through four template guide posts 1187, the lower plate 1188 is fixed to the bottom oil cylinder 1161, and the bottom oil cylinder 1161 pushes the lower pressing sleeve 1184 to lock the bottom of the outer mold 110. The upper pressing sleeve 1183 and the lower pressing sleeve 1184 are tightly matched with the outer die 110, the die is locked in a mechanical mode, safety and reliability are achieved, the small oil cylinder 1181 and the bottom oil cylinder 1161 only play a role in lifting, the cylinder diameter is small, and manufacturing cost is low. The mould locking mechanism 118 adopts an original small oil cylinder 1181 and an upper and lower pressing sleeve 1184 mould locking system, the design of a female mould is not needed, the problems that the left and right parting of an aluminum piston liquid forging mould cannot be realized and the female mould is required to be installed on each casting are solved, the number of production personnel is reduced to 2 by 3, the working efficiency is improved by more than 2 times, the labor intensity is reduced, and the batch casting of aluminum piston integrated by cold aluminum oxide fiber reinforcement in an insert ring can be realized. The small oil cylinder 1181 is used for locking the mold, the price is low, the manufacturing cost of the liquid die forging casting machine is reduced, the machine body is compact, and the occupied space is small.
As shown in fig. 1 and 2, the top mold mechanism 104 includes: the top die comprises a main oil cylinder 1041, an upper table top 1042 and a second workbench 1043, wherein the upper table top 1042 is fastened above four guide pillars 106, the main oil cylinder 1041 is fixed on the upper table top 1042 through fastening bolts, the second workbench 1043 is fixedly connected to the main oil cylinder 1041, four corners of the second workbench 1043 are sleeved on the guide pillars 106, a top die 1044 is fixedly connected with the second workbench 1043 through a flange 1045, and the main oil cylinder 1041 pushes the second workbench 1043 and the top die 1044 to realize pressurization and die opening and closing of castings.
As shown in fig. 1 and 2, the outer die mechanism 108 includes: the side oil cylinder system comprises two side oil cylinders 1081, a first connecting structure 1082, a second connecting structure 1083, an outer mold sliding table 1084 and an outer mold guide rail 1085, wherein the side oil cylinders 1081 are fastened on a first workbench 1021 by using bolts, and the two side oil cylinders 1081 are oppositely arranged; the outer die 110 and the pin hole pressure head 112 are respectively connected with a side oil cylinder 1081 through a first connecting structure 1082 and a second connecting structure 1083, the side oil cylinder 1081 is a sleeve cylinder and can push the outer die 110 to open and close and also push the pin hole pressure head 112 to pressurize the pin hole part of the piston; the outer die sliding table 1084 and the outer die guide rail 1085 which are arranged in a matched mode are fixedly installed on the first workbench 1021 and located in a position area between the two side oil cylinders 1081, the outer die 110 slides on the outer die sliding table 1084 through the outer die guide rail 1085 to be opened and closed, and the outer die 110 is made to be more stable to open and close while the effect of reinforcing the first workbench 1021 is achieved through the design of the outer die sliding table 1084. The side oil cylinder 1081 has the functions of opening and closing the die and laterally pressurizing at the same time, so that multidirectional pressurizing of the aluminum piston casting is realized, not only is the structure of each part of the casting compact, but also the pressure of the main cylinder is reduced, and the service life of the die is prolonged.
Further, the first connecting structure 1082 is a mold frame, one side of the mold frame is connected to the side oil cylinder 1081, and the other side of the mold frame is fastened to the outer mold 110; the second connecting structure 1083 is a connecting block, the connecting block is located in the die carrier, the connecting block is designed with a lifting structure, the height of the pin hole pressure head 112 is adjusted, and the connecting requirements of dies with different piston pin hole center heights in different sizes are met.
As shown in fig. 1 and fig. 2, the ejection mechanism 116 includes a bottom cylinder 1161 and a top rod 1162, the bottom cylinder 1161 is connected to the bottom of the bed 102 through fastening bolts, and the top rod 1162 is connected to the bottom cylinder 1161. The bottom oil cylinder 1161 is a sleeve cylinder, not only can eject castings, but also can pressurize the bottoms of the castings, the bottom oil cylinder 1161 has the functions of ejecting the castings, pressurizing the bottom surface and locking the mold, and the multi-directional pressurization of the aluminum piston castings is realized by matching with the pressurization of the main oil cylinder 1041, so that not only is the structure of each part of the castings compact, but also the pressure of the main oil cylinder is reduced, and the service life of the mold is prolonged.
The working process of the piston liquid forging casting machine provided by the invention is as follows, taking pressure casting of the aluminum piston casting 202 with the aluminum oxide fiber reinforced integration in the inner cooling of the insert ring as an example, the aluminum piston casting 202 with the aluminum oxide fiber reinforced integration in the inner cooling of the insert ring is shown in figure 3 and comprises inserts such as an aluminum oxide fiber prefabricated member, a ceramic salt core, a cast iron insert ring and the like.
(1) Starting a piston liquid die forging casting machine, setting technological parameters, setting the initial state of the press in a die opening state, mounting an aluminum oxide fiber prefabricated part on a base plate 114, mounting a ceramic salt core on the aluminum oxide fiber prefabricated part, pushing an external die 110 by a side oil cylinder 1081 to rapidly close the die, reducing the speed and closing the die when the external die is close to prevent vibration and rapid collision, and embedding a cast iron insert ring 2022 in the external die 110;
(2) Quantitative aluminum liquid is poured in through a pouring channel of the outer mold 110, the small oil cylinder 1181 and the bottom oil cylinder 1161 simultaneously push the upper pressing sleeve 1183 and the lower pressing sleeve 1184 to lock the outer mold 110, meanwhile, the safety door is closed, the upper and lower mold locking displacement and the pressure signal prompt are in place, the next action can be carried out, and the aluminum liquid is prevented from splashing out to hurt people when the mold locking is not in place and pressurization is carried out.
(3) The main oil cylinder 1041 pushes the top die 1044 to move down rapidly to approach the speed reduction of the aluminum liquid, then pressurization is carried out at a low speed, the pressure is increased to a set value, timing is started, the side oil cylinder 1081 pushes the pin hole pressure head 112 to pressurize the piston pin hole part in a delayed mode, the bottom oil cylinder 1161 pushes the ejector rod 1162 to pressurize the bottom of the piston in a delayed mode, and pressurization is carried out in three directions simultaneously until pressure maintaining is finished.
(4) After the pressure maintaining set time is over, the side oil cylinder 1081 pulls the pin hole pressure head 112 to retract to the right position, the bottom oil cylinder 1161 releases pressure, the main oil cylinder 1041 pulls the top die 1044 to return to the right position, the small oil cylinder 1181 and the bottom oil cylinder 1161 simultaneously pull the upper pressure sleeve 1183 and the lower pressure sleeve 1184 to return to the right position, the side oil cylinder 1081 pulls the left and right outer dies 110 to open the die to the right position, the bottom oil cylinder 1161 pushes the casting to be discharged from the die, and a casting cycle is completed to obtain the aluminum oxide fiber reinforced integrated aluminum piston casting 202 in the insert ring, wherein the structure of the aluminum oxide fiber reinforced integrated aluminum piston casting 202 is shown in fig. 3 and comprises an inner cooling oil cavity 2023, an aluminum oxide fiber part 2021 and an insert ring 2022.
In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A piston liquid die forging caster comprising:
a bed comprising a first table;
the top die mechanism is connected with the lathe bed through a guide pillar and is positioned above the lathe bed;
the outer mold mechanism is arranged above the first workbench;
the outer die and the pin hole pressure head are arranged in a matched manner, arranged above the first workbench and respectively connected with the outer die mechanism;
the outer die mechanism comprises two side oil cylinders, a first connecting structure, a second connecting structure, an outer die sliding table and an outer die guide rail, the two side oil cylinders are respectively fixed on the first workbench through bolts, and the two side oil cylinders are arranged oppositely; the outer die and the pin hole pressure head are respectively connected with the side oil cylinder through a first connecting structure and a second connecting structure, the side oil cylinder is a sleeve cylinder and pushes the outer die to open and close and the pin hole pressure head to pressurize the pin hole part of the piston; the outer die sliding table and the outer die guide rail which are arranged in a matched mode are fixedly arranged on the first workbench and are positioned in a position area between the two side oil cylinders, the outer die is opened and closed on the outer die sliding table through the outer die guide rail in a sliding mode,
the chassis is arranged above the first workbench and is positioned between the left outer die and the right outer die;
an ejection mechanism mounted below the first table, the ejection mechanism comprising: the bottom oil cylinder is fixedly connected to the bottom of the lathe bed; the ejector rod is fixedly connected to the bottom oil cylinder, a casting is ejected out under the pushing of the bottom oil cylinder, the bottom oil cylinder is a sleeve cylinder, the lower pressing sleeve is pushed to lock the bottom of the outer mold, the ejector rod is pushed to eject the casting,
the mold locking mechanism comprises an upper mold locking mechanism and a lower mold locking mechanism which are respectively distributed on the upper side and the lower side of the first workbench,
the upper locking die mechanism comprises:
the small oil cylinders are fastened on an upper table top which is fastened on the middle upper part of the guide pillar;
the upper template is fixedly connected to the small oil cylinder and sleeved on the guide pillar;
the upper pressing sleeve is fixedly connected to the bottom surface of the upper template, the position of the upper pressing sleeve corresponds to the locked position of the top of the outer mold, the small oil cylinder pushes the upper pressing sleeve to lock the top of the outer mold,
the lower clamping mechanism comprises:
the lower pressing sleeve is connected to the lower template through a pressing sleeve guide post, and the position of the lower pressing sleeve corresponds to the locked position of the bottom of the outer die;
the lower template is connected to the lower flat plate through a template guide post, the lower flat plate is fixed on a bottom oil cylinder, the bottom oil cylinder pushes the lower pressure sleeve to lock the bottom of the outer mold,
the upper pressing sleeve and the lower pressing sleeve are tightly matched with the outer die,
pouring quantitative aluminum liquid through an outer mold pouring gate, simultaneously pushing an upper pressing sleeve and a lower pressing sleeve to lock an outer mold by a small oil cylinder and a bottom oil cylinder, after mold locking is in place, pushing a top mold to rapidly descend by a main oil cylinder in a top mold mechanism, decelerating close to the aluminum liquid, then slowly pressurizing, pushing a pin hole pressure head to pressurize a piston pin hole part by a side oil cylinder in a delayed manner, pushing a mandril to pressurize the bottom of a piston by the bottom oil cylinder in a delayed manner, and simultaneously pressurizing in multiple directions.
2. The piston liquid die forging caster according to claim 1,
four guide columns are arranged above the lathe bed, the four guide columns are distributed in a rectangular shape with four corners, and two small oil cylinders are respectively arranged between the two guide columns on the left side and the right side;
the lower pressing sleeve is connected to the lower template through the four pressing sleeve guide posts, and the lower template is connected to the lower flat plate through the four template guide posts.
3. The piston liquid die forging caster according to claim 1,
the first connecting structure is a die carrier, one side of the die carrier is connected to the side oil cylinder, and the other side of the die carrier is fixedly connected with the outer die;
the second connecting structure is a connecting block, the connecting block is located in the die carrier, and the connecting block is provided with a lifting structure and is used for adjusting the height of the pin hole pressure head.
4. The piston liquid die forging caster of claim 2, wherein said top die mechanism comprises:
the main oil cylinder is fastened on the upper table top;
the second workbench is fixedly connected to the main oil cylinder, and four corners of the second workbench are sleeved on the guide pillars;
and the top die is fixedly connected with the bottom surface of the second workbench through a flange plate, and the main oil cylinder pushes the second workbench and the top die to open and close the die and pressurize the casting.
5. The piston liquid forging caster of claim 1, wherein said bed further comprises:
the bottom protective cover is fixedly connected with the peripheral side edges of the first workbench and covers the lower space of the first workbench;
the base supports are distributed and installed at four corners of the bottom of the lathe bed and are perpendicular to the ground.
6. The piston liquid die forging caster according to claim 5,
and a height adjusting structure is designed on the base support.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030080469A (en) * | 2002-04-09 | 2003-10-17 | 주식회사 알룩스 | Apparatus for Forging of Direct Pressure Type |
| CN1943915A (en) * | 2005-10-08 | 2007-04-11 | 山东滨州渤海活塞股份有限公司 | Method for casting piston blank with inner cooling path by liquid state extruding casting process |
| CN209632097U (en) * | 2018-12-14 | 2019-11-15 | 合肥熠辉轻合金科技有限公司 | A kind of liquid-state forging die device of end cap blank |
| CN112475264A (en) * | 2020-11-27 | 2021-03-12 | 广州楚河工业设计合伙企业(有限合伙) | Horizontal direct-pressure liquid die forging casting machine |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2910412Y (en) * | 2006-06-19 | 2007-06-13 | 江阴职业技术学院 | Liquid state stamping mould for automotive main cylinder of general braking pump |
| KR100861414B1 (en) * | 2007-04-06 | 2008-10-07 | 하태수 | Forging apparatus and forging method for rheocasting |
| JP5916494B2 (en) * | 2012-04-18 | 2016-05-11 | 日立オートモティブシステムズ株式会社 | Manufacturing method of piston for internal combustion engine |
| KR20130123653A (en) * | 2012-05-03 | 2013-11-13 | (주)레오포즈 | Method for manufacturing aluminium wheelhub |
| CN104139170B (en) * | 2014-07-16 | 2016-05-04 | 华南理工大学 | A kind of clamping apparatus of Direct Squeezing Casting mould |
| CN106694852B (en) * | 2016-12-16 | 2018-12-14 | 滨州渤海活塞有限公司 | Aluminium piston blank casting machine high rigidity frame lathe bed |
| CN108856697B (en) * | 2018-06-26 | 2020-03-24 | 滨州渤海活塞有限公司 | Full-automatic casting equipment for aluminum piston of gasoline engine |
| CN111283159A (en) * | 2020-03-26 | 2020-06-16 | 沈阳航空航天大学 | Gravity casting-liquid die forging combined casting device and process |
-
2021
- 2021-03-31 CN CN202110347441.9A patent/CN113231621B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030080469A (en) * | 2002-04-09 | 2003-10-17 | 주식회사 알룩스 | Apparatus for Forging of Direct Pressure Type |
| CN1943915A (en) * | 2005-10-08 | 2007-04-11 | 山东滨州渤海活塞股份有限公司 | Method for casting piston blank with inner cooling path by liquid state extruding casting process |
| CN209632097U (en) * | 2018-12-14 | 2019-11-15 | 合肥熠辉轻合金科技有限公司 | A kind of liquid-state forging die device of end cap blank |
| CN112475264A (en) * | 2020-11-27 | 2021-03-12 | 广州楚河工业设计合伙企业(有限合伙) | Horizontal direct-pressure liquid die forging casting machine |
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Denomination of invention: A liquid forging and casting machine for pistons Granted publication date: 20230103 Pledgee: Binzhou branch of China CITIC Bank Co.,Ltd. Pledgor: BINZHOU BOHAI PISTON Co.,Ltd. Registration number: Y2024980014544 |
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