CN120715199A - A low-pressure casting equipment based on the production of aluminum alloy automobile parts - Google Patents
A low-pressure casting equipment based on the production of aluminum alloy automobile partsInfo
- Publication number
- CN120715199A CN120715199A CN202511258183.1A CN202511258183A CN120715199A CN 120715199 A CN120715199 A CN 120715199A CN 202511258183 A CN202511258183 A CN 202511258183A CN 120715199 A CN120715199 A CN 120715199A
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- China
- Prior art keywords
- aluminum liquid
- frame
- furnace body
- casting
- layer
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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
- B22D18/04—Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
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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
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D43/00—Mechanical cleaning, e.g. skimming of molten metals
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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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
本发明公开了一种基于铝合金汽车部件生产的低压铸造设备，涉及铝合金铸造技术领域。本发明中铸造机架内侧设置有铸造成型层、铝液输送层和炉体升降层，铝液输送层与炉体升降层之间设有水平导向架，铸造成型层与铝液输送层之间通过铝液通口一连通，炉体升降层设置有竖向引流管，下模板底部设置有与成型模腔连通的铝液通口二，炉体护罩机构滑动安装在水平导向架上，炉体罩内部设置有贯通其顶部的升液管，升降刮液组件滑动设置于竖向引流管内侧，升降刮液组件上的铝液刮除件刮除的铝液由竖向引流管引流收集。本发明通过铝液刮除件上下运动将升液管内壁上的铝液刮入到铝液收集管中，有效避免了升液管内壁铝液凝固导致的铸造质量下降问题。
The present invention discloses a low-pressure casting device based on the production of aluminum alloy automobile parts, which relates to the technical field of aluminum alloy casting. In the present invention, a casting forming layer, an aluminum liquid conveying layer and a furnace body lifting layer are provided on the inner side of the casting frame, a horizontal guide frame is provided between the aluminum liquid conveying layer and the furnace body lifting layer, the casting forming layer and the aluminum liquid conveying layer are connected through an aluminum liquid port 1, the furnace body lifting layer is provided with a vertical drainage pipe, and an aluminum liquid port 2 connected to the forming mold cavity is provided at the bottom of the lower template, the furnace body shield mechanism is slidably installed on the horizontal guide frame, a riser pipe passing through the top of the furnace body cover is provided inside the furnace body cover, a lifting scraper assembly is slidably provided on the inner side of the vertical drainage pipe, and the aluminum liquid scraped by the aluminum liquid scraping member on the lifting scraper assembly is drained and collected by the vertical drainage pipe. The present invention scrapes the aluminum liquid on the inner wall of the riser pipe into the aluminum liquid collection pipe by the up and down movement of the aluminum liquid scraper, which effectively avoids the problem of casting quality degradation caused by the solidification of the aluminum liquid on the inner wall of the riser pipe.
Description
Technical Field
The invention belongs to the technical field of aluminum alloy casting, and particularly relates to low-pressure casting equipment based on aluminum alloy automobile part production.
Background
The low-pressure casting is a casting method that a casting mould is generally arranged above a sealed crucible, compressed air is introduced into the crucible, low pressure is caused on the surface of molten metal, molten metal is enabled to rise up from a liquid lifting pipe to fill the casting mould and solidification is controlled, in the traditional low-pressure forging process, aluminum liquid is easy to remain on the inner wall of the liquid lifting pipe, after the aluminum liquid on the inner wall of the liquid lifting pipe is solidified, small particles formed by the aluminum liquid are easy to carry after the subsequent rise of the aluminum liquid enter a cavity, and the quality of a cast automobile hub is reduced.
In the prior art, in order to avoid the influence of small particles produced by solidification of aluminum liquid on the inner wall of a liquid lifting pipe on casting quality, some low-pressure casting equipment drives a buffer plate to descend and scrub the inner wall of the liquid lifting pipe by applying gravity to the buffer plate when the aluminum liquid falls back, and the aluminum liquid on the surface of a mesh plate on the buffer plate is easy to coagulate to block meshes of the mesh plate, so that the mesh plate is blocked and then the subsequent aluminum liquid is influenced to rise into a cavity through the liquid lifting pipe, and the mesh plate can be cleaned only by stopping.
Still some low pressure casting equipment then carry out scraping clearance to the aluminium liquid on the stalk inner wall through the scraper blade of the U-shaped structure of laminating its inner wall that sets up in stalk inside, and this kind of aluminium liquid clearance mode is the shut down clearance problem that the mesh jam caused can be solved to relative mesh board, but because the scraper blade is laminating with stalk inner wall all the time, and the aluminium liquid can remain in scraper blade surface and scraper blade and stalk contact position, and the tiny particle material that forms after solidifying will be carried to casting intracavity and influence casting quality.
Disclosure of Invention
The invention aims to provide low-pressure casting equipment based on aluminum alloy automobile part production, which solves the problems in the background technology through the structural design of a casting control mechanism, a die mechanism, a furnace body shield mechanism and an aluminum liquid cleaning mechanism.
The low-pressure casting equipment comprises a casting control mechanism, wherein the casting control mechanism comprises a casting frame, a casting forming layer, an aluminum liquid conveying layer and a furnace body lifting layer are sequentially arranged on the inner side of the casting frame from top to bottom, a horizontal guide frame is arranged between the aluminum liquid conveying layer and the furnace body lifting layer, the casting forming layer is communicated with the aluminum liquid conveying layer through an aluminum liquid through hole I, a vertical drainage tube is arranged on the furnace body lifting layer, a mold mechanism is arranged on the casting forming layer, the mold mechanism comprises a forming mold cavity formed by a lower mold plate, an upper mold plate and two side mold plates, the bottom of the lower mold plate is provided with an aluminum liquid through hole II communicated with the forming mold cavity, a heat preservation furnace is arranged on the furnace body lifting layer coaxially with the mold mechanism, a protective cover mechanism is arranged on the aluminum liquid conveying layer and is slidably arranged on the horizontal guide frame, the protective cover is arranged on the inner side of the furnace body lifting mechanism, a protective cover is arranged on the inner side of the protective cover and is communicated with the aluminum liquid through hole I, the vertical drainage tube is arranged on the inner side of the protective cover, the aluminum liquid scraping mechanism is arranged on the inner side of the protective cover, the scraping mechanism comprises a vertical drainage tube, and the aluminum liquid scraping component is arranged on the vertical drainage tube and comprises a scraping liquid drainage tube.
In the embodiment of the invention, two vertical limiting seats are fixed inside the furnace body lifting layer, the heat preservation furnace is arranged on the heat insulation base, a first hydraulic cylinder connected with the heat insulation base is arranged at the bottom of the casting frame, the heat insulation base is arranged between the two vertical limiting seats in a sliding mode, roller channels are arranged on two opposite inner side walls of the horizontal guide frame, and a first motor output end arranged on one side of the horizontal guide frame is connected with a power screw.
In the embodiment of the invention, a first mounting frame is fixed at the bottom of the casting frame, a second mounting frame is fixed at the inner side of the casting forming layer, a vertical drainage tube at the inner side of the furnace body lifting layer is fixedly connected with the first mounting frame, a second motor is mounted at the top of the second mounting frame, two limiting sliding grooves are symmetrically formed at the inner side of the casting forming layer, a vertical conducting port communicated with the aluminum liquid conveying layer is formed below the second mounting frame, and an axial slideway is formed at the peripheral side surface of the vertical drainage tube.
In the embodiment of the invention, the furnace body shield mechanism further comprises a moving frame which is arranged on the horizontal guide frame in a sliding manner, the furnace body shield is fixedly arranged at the top of the moving frame, the bottom of the furnace body shield is of an opening structure, the moving frame is sleeved on the power screw rod and is in threaded fit with the power screw rod, drag reduction idler wheels which are matched with the roller channels are arranged on two opposite sides of the moving frame, a horizontal notch is formed in one side of the moving frame, a furnace top sealing plate which is in sliding fit with the roller channels is fixedly arranged on the other side of the moving frame, a gas transmission pipe is arranged on the peripheral side surface of the furnace body shield close to the top, and an aluminum liquid filling pipe is arranged at the top of the furnace top sealing plate.
In the embodiment of the invention, the lifting liquid scraping assembly further comprises an aluminum liquid collecting pipe arranged in the vertical drainage pipe, the aluminum liquid scraping part is communicated with the top of the aluminum liquid collecting pipe, a linkage part matched with the axial slideway is fixed on the peripheral side surface of the aluminum liquid collecting pipe, and a channel adapting ball is fixedly arranged on the linkage part.
In the embodiment of the invention, the aluminum liquid cleaning mechanism further comprises a liquid scraping control assembly, wherein the liquid scraping control assembly comprises a transmission column which is arranged on the inner side of the furnace body lifting layer and is rotationally connected with the first mounting frame, a first driving wheel is fixedly arranged at the bottom of the transmission column, the first driving wheels are connected through a driving belt, a closed guide groove is formed in the peripheral side surface of the transmission column, the linkage piece is slidably sleeved on the transmission column, and a channel adapting ball is slidably matched with the closed guide groove.
In the embodiment of the invention, a linkage rod extending to the inner side of the second mounting frame is fixed at the top of the transmission column, a second driving wheel is fixedly arranged on the peripheral side surface of the linkage rod, the second output end of the motor is connected with the corresponding linkage rod, a supporting part is rotatably arranged at the inner bottom of the second mounting frame, a plurality of curved surface liquid scraping plates are annularly arranged at the bottom of the supporting part in an array manner, and a third driving wheel fixed on the peripheral side surface of the supporting part is connected with the corresponding second driving wheel through a driving belt.
In the embodiment of the invention, two support frames are symmetrically fixed on the inner side of the horizontal guide frame, an aluminum liquid collecting box attached to the outer wall of the holding furnace is fixed at the end parts of the support frames, a scraping piece through hole coaxial with the vertical drainage tube is formed in the top of the support frames, and a drainage bevel extending to the circumferential side of the scraping piece through hole is formed in the top of the aluminum liquid collecting box.
In the embodiment of the invention, the die mechanism further comprises two symmetrically arranged supporting seats, the output end of the air cylinder on the supporting seats is connected with a U-shaped frame which is in sliding connection with the limiting sliding groove, the three output ends of the motor at the top of the U-shaped frame are connected with a rotating shaft, the peripheral side surface of the rotating shaft is fixedly provided with a deflection gear, the outer wall of the side template is respectively fixedly provided with a guide seat and a deflection toothed ring with arc structures, the deflection gear is meshed with the deflection toothed ring, the inner wall of the U-shaped frame is fixedly provided with a linkage frame which is in sliding connection with the guide seat, the bottom of the deflection toothed ring is fixedly provided with a plug connector which is matched with an embedding opening on a lower template, the lower template is rotatably arranged at the inner side of a casting forming layer, and a hydraulic cylinder II arranged at the top of the casting frame is connected with an upper template.
After aluminum liquid conveying in a molding die cavity is completed and dislocation of the aluminum liquid through hole II and the aluminum liquid through hole I is controlled, a furnace body shield mechanism is controlled to move to the left side along a horizontal guide frame to a set position, so that a top opening of a heat preservation furnace is blocked by a furnace top sealing plate to avoid great temperature loss, then rotation of a corresponding transmission column is controlled through a motor II, synchronous rotation of each transmission column is realized under the action of a first transmission wheel and a corresponding transmission belt, each lifting liquid scraping component is driven to complete one-time lifting under the action of matching between a closed guide groove and a channel adapting ball, aluminum liquid attached to the inner wall of a liquid lifting pipe is scraped into the aluminum liquid collecting pipe through an aluminum liquid scraping piece sliding along the inner wall of the liquid lifting pipe in the process, and therefore, aluminum liquid attached to the inner wall of the liquid lifting pipe can be removed, and the problem of casting quality degradation caused by solidification of aluminum liquid on the inner wall of the liquid lifting pipe is effectively avoided.
According to the invention, the diameter of the liquid scraping curved surface of each curved surface liquid scraping plate is designed to be consistent with the outer diameter of the aluminum liquid scraping piece, the synchronous rotation of the two linkage rods can be driven in the synchronous rotation process of the two transmission columns, and the synchronous rotation of each supporting part is realized under the action of the second transmission wheel, the third transmission wheel and the corresponding transmission belt, so that the aluminum liquid scraping piece which rises into the curved surface liquid scraping plate area can be scraped off, and the aluminum liquid which possibly adheres to the peripheral side surface of the aluminum liquid scraping piece can be scraped off and cleaned in the scraping process of the curved surface liquid scraping plate being adhered to the peripheral side surface of the aluminum liquid scraping piece, so that the aluminum liquid is prevented from adhering to the inner wall of the liquid lifting pipe again to be solidified in the falling process of the aluminum liquid scraping piece, and the casting quality of the automobile hub is ensured.
According to the invention, in the process of controlling the furnace body shield mechanism to move to the left along the horizontal guide frame, as the liquid lifting pipe just breaks away from the aluminum liquid in the heat preservation furnace, the aluminum liquid on the inner wall of the liquid lifting pipe drops into the aluminum liquid collecting box on the corresponding track in the process of moving to the left, and through the arrangement of the drainage bevel, the aluminum liquid dropping onto the drainage bevel can flow into the aluminum liquid collecting box to finish collecting, so that the high-efficiency collection of the aluminum liquid dropping inside each liquid lifting pipe in the horizontal moving process can be realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of 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 invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a low pressure casting apparatus based on the production of aluminum alloy automobile parts in the present invention.
Fig. 2 is a front view of the structure of fig. 1.
Fig. 3 is a sectional view showing one state of the low pressure casting apparatus of the present invention.
Fig. 4 is a sectional view showing another state of the low pressure casting apparatus of the present invention.
FIG. 5 is a schematic view of a casting control mechanism according to the present invention.
Fig. 6 is a cross-sectional view of the structure of fig. 5.
Fig. 7 is an enlarged view of a partial structure at a in fig. 6.
Fig. 8 is an enlarged view of a partial structure at B in fig. 6.
Fig. 9 is a schematic structural view of a mold mechanism according to the present invention.
Fig. 10 is a cross-sectional view of the structure of fig. 9.
Fig. 11 is an enlarged view of a partial structure at C in fig. 10.
FIG. 12 is a schematic view of a furnace shield mechanism according to the present invention.
FIG. 13 is a schematic view of the structure of the molten aluminum removing mechanism according to the present invention.
Fig. 14 is a schematic structural view of a lifting wiper assembly according to the present invention.
Fig. 15 is a schematic structural view of a wiping control assembly according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1-casting control mechanism, 101-casting frame, 102-casting forming layer, 103-aluminum liquid conveying layer, 104-furnace lifting layer, 105-horizontal guide frame, 106-aluminum liquid through hole I, 107-vertical drainage tube, 108-vertical limit seat, 109-heat insulation base, 110-hydraulic cylinder I, 111-roller channel, 112-motor I, 113-power screw, 114-first mounting frame, 115-second mounting frame, 116-motor II, 117-limit chute, 118-vertical through hole, 119-axial slideway, 120-supporting part, 121-curved surface scraping plate, 122-third driving wheel, 123-supporting frame, 124-aluminum liquid collecting box, 125-scraping piece through hole, 126-drainage inclined hole, and 2-die mechanism, 201-lower die plate, 202-upper die plate, 203-side die plate, 204-molding die cavity, 205-aluminum liquid port two, 206-support base, 207-cylinder, 208-U-shaped frame, 209-motor three, 210-offset gear, 211-guide base, 212-offset ring gear, 213-linkage frame, 214-insert, 215-plug, 216-hydraulic cylinder two, 3-holding furnace, 4-furnace body shield mechanism, 401-furnace body cover, 402-lift tube, 403-moving frame, 404-drag reduction roller, 405-horizontal notch, 406-furnace top closing plate, 407-gas pipe, 408-aluminum liquid filling pipe, 5-aluminum liquid cleaning mechanism, 6-lifting scraping assembly, 601-aluminum liquid scraping member, 602-aluminum liquid collecting pipe, 603-linkage piece, 604-channel adapting ball, 7-scraping control component, 701-driving column, 702-first driving wheel, 703-driving belt, 704-closing guide slot, 705-linkage rod and 706-second driving wheel.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-15, the invention discloses low-pressure casting equipment based on aluminum alloy automobile part production, which comprises a casting control mechanism 1, a mold mechanism 2, a heat preservation furnace 3, a furnace body shield mechanism 4 and an aluminum liquid removing mechanism 5, wherein the casting control mechanism 1 comprises a casting frame 101, a casting forming layer 102, an aluminum liquid conveying layer 103 and a furnace body lifting layer 104 are sequentially arranged on the inner side of the casting frame 101 from top to bottom, a horizontal guide frame 105 is arranged between the aluminum liquid conveying layer 103 and the furnace body lifting layer 104, the casting forming layer 102 is communicated with the aluminum liquid conveying layer 103 through an aluminum liquid through hole 106, the furnace body lifting layer 104 is provided with a vertical drainage tube 107, the mold mechanism 2 is arranged on the casting forming layer 102 and comprises a forming mold cavity 204 formed by a lower mold plate 201, an upper mold plate 202 and two side mold plates 203, the bottom of the lower mold plate 201 is provided with an aluminum liquid through hole 205 communicated with the forming mold cavity 204, and the aluminum liquid in the heat preservation furnace 3 can be pressed into the forming mold cavity 204 under the combined action of the aluminum liquid through hole 106 and the aluminum liquid through hole 205.
The heat preservation furnace 3 is arranged on the furnace body lifting layer 104 and is arranged coaxially with the die mechanism 2, the furnace body shield mechanism 4 is arranged on the aluminum liquid conveying layer 103 and is slidably arranged on the horizontal guide frame 105, the furnace body shield mechanism 4 comprises a furnace body cover 401, a liquid lifting pipe 402 penetrating through the top of the furnace body cover 401 is arranged inside the furnace body cover 401, the lower port of the liquid lifting pipe 402 is close to the bottom of the furnace body cover 401, the aluminum liquid cleaning mechanism 5 is arranged on the inner side of the casting frame 101 and comprises a lifting liquid scraping assembly 6 slidably arranged on the inner side of the vertical drainage pipe 107, the lifting liquid scraping assembly 6 comprises an aluminum liquid scraping part 601, and aluminum liquid scraped by the aluminum liquid scraping part 601 is drained and collected by the vertical drainage pipe 107.
In this embodiment of the invention, as shown in fig. 3 and 5, two vertical limiting seats 108 are fixed on the inner side of the furnace body lifting layer 104, the heat preservation furnace 3 is installed on the heat insulation base 109, a first hydraulic cylinder 110 connected with the heat insulation base 109 is installed at the bottom of the casting frame 101, the heat insulation base 109 is slidably arranged between the two vertical limiting seats 108, the heat insulation base 109 is arranged between the vertical limiting seats 108 on two sides, the stability of the whole heat preservation furnace 3 can be ensured in the lifting process of the heat preservation furnace 3 through the first hydraulic cylinder 110, roller channels 111 are arranged on two opposite inner side walls of the horizontal guide frame 105, a power screw 113 is connected to the output end of a first motor 112 installed on one side of the horizontal guide frame 105, and the horizontal reciprocating motion of the furnace body shield mechanism 4 on the horizontal guide frame 105 can be realized through the cooperation between the first motor 112 and the power screw 113.
In this embodiment of the present invention, as shown in fig. 2 and 5, a first mounting frame 114 is fixed at the bottom of the casting frame 101, a second mounting frame 115 is fixed at the inner side of the casting forming layer 102, a vertical drainage tube 107 at the inner side of the furnace body lifting layer 104 is fixedly connected with the first mounting frame 114, a second motor 116 is installed at the top of the second mounting frame 115, two limiting sliding grooves 117 are symmetrically formed at the inner side of the casting forming layer 102, a vertical conducting port 118 for communicating with the aluminum liquid conveying layer 103 is arranged below the second mounting frame 115, and an axial sliding way 119 is formed at the peripheral side surface of the vertical drainage tube 107.
In this embodiment of the present invention, as shown in fig. 12, the furnace body shield mechanism 4 further comprises a movable frame 403 slidably disposed on the horizontal guide frame 105, the furnace body shield 401 is fixedly mounted on the top of the movable frame 403 and has an opening structure at the bottom (a guide groove is disposed at the top in the aluminum liquid conveying layer 103, the top of the furnace body shield 401 is fitted in the guide groove), the movable frame 403 is sleeved on the power screw 113 and is in threaded engagement with the power screw, drag reduction rollers 404 engaged with the roller channels 111 are mounted on opposite sides of the movable frame 403, a horizontal notch 405 is formed on one side of the movable frame 403, a furnace top sealing plate 406 (detachable) slidably engaged with the roller channels 111 is fixed on the other side of the movable frame 403, a gas pipe 407 is mounted on the peripheral side of the furnace top sealing plate 406 proximate to the top, an aluminum liquid filling pipe 408 is mounted on the top of the furnace top sealing plate 406, and a gas supply device is mounted on the furnace top sealing plate 406 via a heat insulating frame and is connected with the gas pipe 407 via a gas supply pipe.
In this embodiment of the present invention, as shown in fig. 14, the lifting liquid scraping assembly 6 further includes an aluminum liquid collecting pipe 602 disposed in the vertical drainage pipe 107, the aluminum liquid scraping member 601 is disposed on the top of the aluminum liquid collecting pipe 602 in a communicating manner (it should be noted that, the inner wall of the aluminum liquid scraping member 601 is of an inclined structure, so as to ensure that the scraped aluminum liquid flows into the aluminum liquid collecting pipe 602), a linkage member 603 matched with the axial sliding way 119 is fixed on the peripheral side surface of the aluminum liquid collecting pipe 602, and the linkage member 603 can only move up and down without autorotation through the arrangement of the axial sliding way 119, and a channel adapting ball 604 is fixedly mounted on the linkage member 603.
In this embodiment of the present invention, as shown in fig. 13 and 15, the aluminum liquid removing mechanism 5 further includes a liquid scraping control assembly 7, where the liquid scraping control assembly 7 includes a driving column 701 disposed inside the furnace lifting layer 104 and rotationally connected to the first mounting frame 114, a first driving wheel 702 is fixedly mounted at the bottom of the driving column 701, the first driving wheels 702 are connected by a driving belt 703 (i.e. the first driving wheel 702 and the driving belt 703 are disposed below the first mounting frame 114), a closed guide groove 704 is formed on a peripheral side surface of the driving column 701, a linkage 603 is slidably sleeved on the driving column 701, and the channel adapting ball 604 is slidably engaged with the closed guide groove 704, specifically, the closed guide groove 704 is a closed channel structure formed by a lower arc groove, an upper slope groove, an upper arc groove and a lower slope groove, and the initial channel adapting ball 604 is engaged inside the lower arc groove, and in the process of controlling the driving column 701, the channel adapting ball 604 can be driven to slide along the closed guide groove 704 to drive the whole lifting scraping assembly 6 to move up and down.
The top opening of the heat preservation furnace 3 in the initial state is close to the bottom of the movable frame 403 (i.e. the top opening of the heat preservation furnace 3 is attached to the bottom of the movable frame 403), at this time, under the action of the first hydraulic cylinder 110, the bottom of the heat insulation base 109 is abutted against the bottom in the furnace lifting layer 104, the furnace body shield mechanism 4 is driven to move to the left side along the horizontal guide frame 105 to a set position (as shown in fig. 2) by the combined action of the first motor 112 and the power screw 113, at this time, the furnace body shield 401 is just coaxial with the vertical conducting port 118, the liquid lifting tube 402 and the vertical drainage tube 107 are coaxial, the furnace top sealing plate 406 slides to the top of the heat preservation furnace 3 to seal the top opening of the heat preservation furnace 3, at this time, the aluminum liquid filling pipe 408 is located above the heat preservation furnace 3, after the sealing cover on the aluminum liquid filling pipe 408 is opened, a certain amount of aluminum liquid is conveyed into the heat preservation furnace 3 along the aluminum liquid filling pipe 408, after the sealing cover on the aluminum filling pipe 408 is closed, the furnace body shield mechanism 4 is driven to move to the right side along the horizontal guide frame 105 to the initial position (as shown in fig. 2) by the combined action of the first motor 112 and the power screw 113, at this time, the aluminum liquid filling pipe 408 is driven to move to the right side along the horizontal guide frame 105 to the initial position (as shown in fig. 2), at this time, the top of the heat preservation furnace body shield mechanism is driven to move to the concentric side along the bottom of the horizontal guide frame 107, and move to the bottom side along the heat preservation cylinder 3, and the heat preservation furnace body side by the sealing cover 401 and move to the bottom by the heat preservation base 401 toward the bottom side and the heat preservation base 403, and is aligned with the heat preservation base 401.
Then the compressed gas is conveyed into the furnace body cover 401 through the gas conveying pipe 407 to pressurize the aluminum liquid, the pressurized aluminum liquid flows into the forming die cavity 204 along each liquid lifting pipe 402, the aluminum liquid through hole I106 and the aluminum liquid through hole II 205, after the aluminum liquid conveying in the forming die cavity 204 is finished and the aluminum liquid through hole II 205 and the aluminum liquid through hole I106 are controlled to be misplaced, the heat preservation furnace 3 on the heat insulation base 109 is controlled to descend to the initial position through the hydraulic cylinder I110, then the furnace body cover mechanism 4 is driven to move to the left side along the horizontal guide frame 105 to the set position through the combined action of the motor I112 and the power screw 113, the top opening of the heat preservation furnace 3 is blocked by the furnace top sealing plate 406 to avoid great temperature loss, then the rotation of the corresponding transmission column 701 is controlled through the motor II 116, the synchronous rotation of each transmission column 701 is realized under the action of the first transmission wheel 702 and the corresponding transmission belt 703, under the cooperation between the closed guide groove 704 and the channel adapting ball 604, the lifting liquid scraping assemblies 6 are driven to lift once, in the process, aluminum liquid attached to the inner wall of the liquid lifting pipe 402 is scraped into the aluminum liquid collecting pipe 602 through the aluminum liquid scraping piece 601 sliding along the inner wall of the liquid lifting pipe 402, and is drained into the collecting box below the liquid lifting pipe through the vertical drainage pipe 107 to complete aluminum liquid collecting (the collecting box is placed below the vertical drainage pipe 107), so that the aluminum liquid attached to the inner wall of the liquid lifting pipe 402 can be removed, then the furnace body protecting cover mechanism 4 is driven to move to the right side along the horizontal guide frame 105 to return to the initial position again through the combined action of the motor I112 and the power screw 113, namely, the furnace body cover 401 is concentrically aligned with the heat preservation furnace 3 again, the heat preservation furnace 3 on the heat insulation base 109 is controlled to be lifted to the inner side of the furnace body cover 401 through the hydraulic cylinder I110, the top of the heat insulation base 109 is tightly attached to the bottom of the moving frame 403, the aluminum liquid in the molding cavity 204 can be cooled to realize molding in the process (the aluminum liquid cooling in the manufacturing process of the automobile hub belongs to the prior art, and is not specifically described here), and after the automobile hub formed by casting is taken out from the mold mechanism 2 and is clamped again, the casting production of the automobile hub can be performed again according to the same control mode.
In the second embodiment, as shown in fig. 6, 8 and 15, on the basis of the first embodiment, a linkage rod 705 extending to the inner side of the second mounting frame 115 is fixed at the top of the driving post 701 (when the furnace body shield mechanism 4 is controlled to move to the left along the horizontal guide frame 105 to a set position, the linkage rod 705 is matched in the corresponding horizontal notch 405, that is, the horizontal movement of the moving frame 403 is not blocked by the linkage rod 705 through the arrangement of the horizontal notch 405), a second driving wheel 706 is fixedly arranged on the peripheral side surface of the linkage rod 705, the output end of the second motor 116 is connected with the corresponding linkage rod 705, a supporting part 120 is rotatably arranged at the inner bottom of the second mounting frame 115, a plurality of curved surface scraping plates 121 are annularly arranged at the bottom of the supporting part 120, a third driving wheel 122 fixed on the peripheral side surface of the supporting part 120 is connected with the corresponding second driving wheel 706 through a driving belt 703, in the embodiment, the diameter of the scraping curved surface of each curved surface scraping liquid of each curved surface scraping plate 121 is designed to be consistent with the outer diameter of an aluminum liquid scraping member 601, that can drive the two driving wheels 705 to synchronously rotate in the process of controlling the two driving posts 701, that the two driving posts 705 can be driven to rotate synchronously, the second driving wheels 706 can be prevented from being blocked by the horizontal movement of the linkage rod 705 in the process, the corresponding driving wheels are synchronously rotating to the second driving wheels 706, and the corresponding curved surface members can be prevented from being adhered to the inner surface 601 by the corresponding to the inner surface of the aluminum member 601, and the inner surface of the curved surface of the aluminum member 601 can be cleaned by the corresponding to the inner surface of the curved surface of the aluminum member 601, and the inner surface is prevented from being adhered to the inner by the solid by the liquid 601.
In this embodiment of the present invention, as shown in fig. 6 and 7, two supporting frames 123 are symmetrically fixed on the inner side of the horizontal guiding frame 105, an aluminum liquid collecting box 124 attached to the outer wall of the holding furnace 3 is fixed on the end of each supporting frame 123, a scraping member through hole 125 (an initial aluminum liquid scraping member 601 top hole is located on the inner side of the vertical drainage tube 107 and is close to the scraping member through hole 125) is formed on the top of each supporting frame 123, a drainage inclined hole 126 extending to the periphery of the scraping member through hole 125 is formed on the top of each aluminum liquid collecting box 124, and in the process of controlling the furnace body protecting mechanism 4 to move to the left along the horizontal guiding frame 105, the aluminum liquid on the inner wall of the liquid lifting tube 402 drops into the aluminum liquid collecting box 124 on the corresponding track in the process of moving to the left, and through the arrangement of the drainage inclined holes 126, the aluminum liquid dropping onto the drainage inclined holes 126 can be guaranteed to flow into the aluminum liquid collecting box 124 to finish the collection, so that the high efficiency collection of the dropped aluminum liquid inside each liquid lifting tube 402 in the process of moving horizontally can be realized.
In the third embodiment, as shown in fig. 9 to 11, on the basis of the first embodiment, the mold mechanism 2 further includes two symmetrically arranged supporting seats 206, the output end of the cylinder 207 on the supporting seat 206 is connected with a U-shaped frame 208 slidingly connected with the limiting chute 117, the output end of the motor three 209 on the top of the U-shaped frame 208 is connected with a rotating shaft, the circumferential side surface of the rotating shaft is fixed with a deflection gear 210, the outer wall of the side template 203 is respectively fixed with a guide seat 211 and a deflection toothed ring 212 with arc structures, the deflection gear 210 is meshed with the deflection toothed ring 212, after the aluminum liquid in the molding cavity 204 is conveyed, the deflection gear 210 is driven to rotate by a certain angle through the motor three 209, under the meshing action of the deflection gear 210 and the deflection toothed ring 212, the side templates 203 and the lower template 201 on two sides are driven to synchronously rotate by a certain angle, so that the aluminum liquid through-opening two 205 and the first aluminum liquid through-opening 106 are dislocated, then the inner wall of the U-shaped frame 208 can be started to cool the aluminum liquid in the molding cavity 204, the inner wall of the guide seat 211 is fixed with a frame 213 slidingly connected with the guide seat 211, the upper die plate 211 and the lower die plate 201 can be driven by the linkage frame 211 and the upper die plate 201 and the lower die plate 201 are driven by the linkage frame 211 to be connected with the upper die plate 201 and the lower die plate 201, and the upper die plate 201 and the lower die plate 201 are connected with the upper die plate and the lower die plate 201, and the lower die plate 201 is connected with the upper die plate and the lower die plate frame 201 and the lower die plate frame 201 and the lower die plate and the die plate frame 201 and the lower die plate frame.
After the casting production of the automobile hub is finished, the upper die plate 202 is controlled to move upwards for resetting through the hydraulic cylinder II 216, the offset gear 210 is driven to rotate reversely through the motor III 209 on the two sides to finish resetting, the side die plates 203 on the two sides are reversely rotated to return to the initial position, then the side die plates 203 are controlled to be far away from each other and return to the initial position through the cylinder 207 on the two sides, the automobile hub which is finished is taken down from the lower die plate 201 (namely, demolding) at the moment, the side die plates 203 are controlled to be close to each other again through the cylinder 207 on the two sides to finish primary film combination after the demolding is finished, then the upper die plate 202 is controlled to move downwards to the set position through the hydraulic cylinder II 216 to finish final film combination, and at the moment, the aluminum liquid through hole II 205 is communicated with the aluminum liquid through hole I106 concentrically, and the casting production of the automobile hub can be carried out again after the film combination is finished.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean 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 present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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 preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (9)
1. A low pressure casting apparatus based on aluminum alloy automobile parts production, characterized by comprising:
The casting control mechanism (1), the casting control mechanism (1) comprises a casting frame (101), a casting forming layer (102), an aluminum liquid conveying layer (103) and a furnace body lifting layer (104) are sequentially arranged on the inner side of the casting frame (101) from top to bottom, a horizontal guide frame (105) is arranged between the aluminum liquid conveying layer (103) and the furnace body lifting layer (104), the casting forming layer (102) is communicated with the aluminum liquid conveying layer (103) through an aluminum liquid through hole I (106), and the furnace body lifting layer (104) is provided with a vertical drainage tube (107);
The mold mechanism (2) is arranged on the casting molding layer (102), the mold mechanism (2) comprises a molding cavity (204) formed by a lower mold plate (201), an upper mold plate (202) and two side mold plates (203), and a second aluminum liquid port (205) communicated with the molding cavity (204) is formed at the bottom of the lower mold plate (201);
The heat preservation furnace (3) is arranged on the furnace body lifting layer (104), and the heat preservation furnace (3) and the die mechanism (2) are coaxially arranged;
The furnace body shield mechanism (4) is arranged on the aluminum liquid conveying layer (103), the furnace body shield mechanism (4) is slidably arranged on the horizontal guide frame (105), the furnace body shield mechanism (4) comprises a furnace body cover (401), and a liquid lifting pipe (402) penetrating through the top of the furnace body cover (401) is arranged inside the furnace body cover;
The aluminum liquid cleaning mechanism (5) is arranged on the inner side of the casting rack (101), the aluminum liquid cleaning mechanism (5) comprises a lifting liquid scraping assembly (6) which is arranged on the inner side of the vertical drainage tube (107) in a sliding mode, the lifting liquid scraping assembly (6) comprises an aluminum liquid scraping part (601), and aluminum liquid scraped by the aluminum liquid scraping part (601) is drained and collected by the vertical drainage tube (107).
2. The low-pressure casting device based on aluminum alloy automobile part production according to claim 1, wherein two vertical limiting seats (108) are fixed on the inner side of the furnace body lifting layer (104), the heat preservation furnace (3) is installed on a heat insulation base (109), a first hydraulic cylinder (110) connected with the heat insulation base (109) is installed at the bottom of the casting rack (101), the heat insulation base (109) is slidably arranged between the two vertical limiting seats (108), roller channels (111) are formed in two opposite inner side walls of the horizontal guide frame (105), and a first motor (112) installed on one side of the horizontal guide frame (105) is connected with a power screw (113).
3. The low-pressure casting device based on aluminum alloy automobile parts production according to claim 2, characterized in that a first mounting frame (114) is fixed at the bottom of the casting frame (101), a second mounting frame (115) is fixed at the inner side of the casting forming layer (102), a vertical drainage tube (107) at the inner side of the furnace body lifting layer (104) is fixedly connected with the first mounting frame (114), a motor II (116) is mounted at the top of the second mounting frame (115), two limit sliding grooves (117) are symmetrically formed in the inner side of the casting forming layer (102), a vertical conducting opening (118) for communicating an aluminum liquid conveying layer (103) is formed below the second mounting frame (115), and an axial sliding way (119) is formed in the peripheral side face of the vertical drainage tube (107).
4. The low-pressure casting device based on aluminum alloy automobile parts production according to claim 3, wherein the furnace body shield mechanism (4) further comprises a movable frame (403) which is arranged on the horizontal guide frame (105) in a sliding mode, the furnace body shield (401) is fixedly arranged at the top of the movable frame (403) and is of an opening structure at the bottom of the movable frame, the movable frame (403) is sleeved on the power screw (113) and is in threaded fit with the power screw, drag reduction rollers (404) which are matched with the roller channels (111) are arranged on two opposite sides of the movable frame (403), a horizontal notch (405) is formed in one side of the movable frame (403), a furnace top sealing plate (406) which is in sliding fit with the roller channels (111) is fixed on the other side of the movable frame (403), a gas transmission pipe (407) is arranged on the periphery side close to the top of the furnace top sealing plate (401), and an aluminum liquid filling pipe (408) is arranged on the top of the furnace top sealing plate (406).
5. The low-pressure casting device based on aluminum alloy automobile part production of claim 4, wherein the lifting liquid scraping assembly (6) further comprises an aluminum liquid collecting pipe (602) arranged in the vertical drainage pipe (107), the aluminum liquid scraping part (601) is communicated with the top of the aluminum liquid collecting pipe (602), a linkage part (603) matched with the axial slideway (119) is fixed on the peripheral side surface of the aluminum liquid collecting pipe (602), and a channel adapting ball (604) is fixedly installed on the linkage part (603).
6. The low-pressure casting device based on aluminum alloy automobile part production of claim 5, wherein the aluminum liquid removing mechanism (5) further comprises a liquid scraping control assembly (7), the liquid scraping control assembly (7) comprises a transmission column (701) which is arranged on the inner side of a furnace body lifting layer (104) and is rotationally connected with a first mounting frame (114), a first transmission wheel (702) is fixedly arranged at the bottom of the transmission column (701), the first transmission wheels (702) are connected through a transmission belt (703), a closed guide groove (704) is formed in the peripheral side face of the transmission column (701), and a linkage piece (603) is arranged on the transmission column (701) in a sliding sleeve mode and is in sliding fit with the closed guide groove (704) through a channel adapting ball (604).
7. The low-pressure casting device based on aluminum alloy automobile part production according to claim 6, wherein a linkage rod (705) extending to the inner side of a second mounting frame (115) is fixed at the top of the transmission column (701), a second transmission wheel (706) is fixedly mounted on the peripheral side surface of the linkage rod (705), the output end of a second motor (116) is connected with the corresponding linkage rod (705), a supporting part (120) is rotatably arranged in the second mounting frame (115), a plurality of curved surface liquid scraping plates (121) are arranged at the bottom of the supporting part (120) in a circumferential array, and a third transmission wheel (122) fixed on the peripheral side surface of the supporting part (120) is connected with the corresponding second transmission wheel (706) through a transmission belt (703).
8. The low-pressure casting device based on aluminum alloy automobile part production of claim 7, wherein two supporting frames (123) are symmetrically fixed on the inner side of the horizontal guide frame (105), an aluminum liquid collecting box (124) attached to the outer wall of the holding furnace (3) is fixed at the end part of each supporting frame (123), a scraping piece through hole (125) coaxial with the vertical drainage tube (107) is formed in the top of each supporting frame (123), and a drainage bevel (126) extending to the periphery of each scraping piece through hole (125) is formed in the top of each aluminum liquid collecting box (124).
9. The low-pressure casting device based on aluminum alloy automobile parts production of claim 8, wherein the die mechanism (2) further comprises two supporting seats (206) symmetrically arranged, an output end of a cylinder (207) on the supporting seat (206) is connected with a U-shaped frame (208) in sliding connection with a limiting sliding groove (117), an output end of a motor III (209) at the top of the U-shaped frame (208) is connected with a rotating shaft, a deflection gear (210) is fixed on the peripheral side surface of the rotating shaft, a guide seat (211) and a deflection toothed ring (212) of an arc-shaped structure are respectively fixed on the outer wall of the side template (203), the deflection gear (210) is meshed with the deflection toothed ring (212), a linkage frame (213) in sliding connection with the guide seat (211) is fixed on the inner wall of the U-shaped frame (208), a plug-in piece (215) matched with an embedded opening (214) in the bottom of the lower template (201) is fixed on the bottom of the deflection toothed ring (212), the lower template (201) is rotationally arranged on the inner side casting forming layer (102), and the upper template (216) is connected with the two hydraulic cylinders (101) in a frame.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202511258183.1A CN120715199B (en) | 2025-09-04 | 2025-09-04 | Low pressure casting equipment based on aluminum alloy automobile parts production |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202511258183.1A CN120715199B (en) | 2025-09-04 | 2025-09-04 | Low pressure casting equipment based on aluminum alloy automobile parts production |
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| CN120715199B CN120715199B (en) | 2025-10-31 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103978183A (en) * | 2014-05-27 | 2014-08-13 | 浙江万丰科技开发有限公司 | Differential pressure casting machine and casting method |
| CN206550334U (en) * | 2017-01-19 | 2017-10-13 | 珠海肯赛科有色金属有限公司 | A kind of aluminum alloy low-pressure casting keeps furnace system |
| CN115283646A (en) * | 2022-07-11 | 2022-11-04 | 郑晓珊 | High-strength low-pressure casting device and method for automobile aluminum alloy castings |
| CN120243878A (en) * | 2025-05-23 | 2025-07-04 | 华茂科技(台山)有限公司 | A low pressure casting device for aluminum alloy components |
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- 2025-09-04 CN CN202511258183.1A patent/CN120715199B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103978183A (en) * | 2014-05-27 | 2014-08-13 | 浙江万丰科技开发有限公司 | Differential pressure casting machine and casting method |
| CN206550334U (en) * | 2017-01-19 | 2017-10-13 | 珠海肯赛科有色金属有限公司 | A kind of aluminum alloy low-pressure casting keeps furnace system |
| CN115283646A (en) * | 2022-07-11 | 2022-11-04 | 郑晓珊 | High-strength low-pressure casting device and method for automobile aluminum alloy castings |
| CN120243878A (en) * | 2025-05-23 | 2025-07-04 | 华茂科技(台山)有限公司 | A low pressure casting device for aluminum alloy components |
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