CN108637218B - New energy automobile aluminum alloy trinity differential pressure casting machine - Google Patents
New energy automobile aluminum alloy trinity differential pressure casting machine Download PDFInfo
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- CN108637218B CN108637218B CN201810851623.8A CN201810851623A CN108637218B CN 108637218 B CN108637218 B CN 108637218B CN 201810851623 A CN201810851623 A CN 201810851623A CN 108637218 B CN108637218 B CN 108637218B
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- 238000005266 casting Methods 0.000 title claims abstract description 52
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 40
- 238000007789 sealing Methods 0.000 claims abstract description 75
- 238000004321 preservation Methods 0.000 claims abstract description 53
- 239000007788 liquid Substances 0.000 claims abstract description 35
- 238000004512 die casting Methods 0.000 claims description 27
- 230000007246 mechanism Effects 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 241000973497 Siphonognathus argyrophanes Species 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 10
- 229910052782 aluminium Inorganic materials 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- 239000010720 hydraulic oil Substances 0.000 description 5
- 239000002893 slag Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 206010066054 Dysmorphism Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Abstract
The invention relates to the technical field of casting machines, in particular to a new energy automobile aluminum alloy three-in-one differential pressure casting machine, which comprises a bottom plate, wherein a working table plate with the corresponding position is arranged above the bottom plate, four upright posts are connected between the working table plate and the bottom plate, a hydraulic lifting balance cylinder seat is arranged between the bottom plate and the working table plate, a crucible heat preservation furnace is arranged on the upper surface of the hydraulic lifting balance cylinder seat, the top of the crucible heat preservation furnace is in sealing contact with the bottom surface of the working table plate, the working table plate is connected with the crucible heat preservation furnace through the hydraulic lifting balance cylinder seat, a plurality of liquid lifting pipes are arranged on the crucible heat preservation furnace and parallel to the upper surface of the bottom plate, a movable plate is arranged above the working table plate, and guide posts are arranged at four corners of the movable plate in a penetrating manner. The structure of the invention is convenient to use, and improves the stability of the workpiece in the casting process and the quality of aluminum alloy liquid.
Description
Technical Field
The invention relates to the technical field of casting machines, in particular to a new energy automobile aluminum alloy three-in-one differential pressure casting machine.
Background
The traditional casting machine is divided into a low-pressure casting machine and a differential casting machine, the development trend of the current China new energy automobile is good, the requirement on the aluminum alloy casting is higher and higher under the global background that the core parts of the new energy automobile are required to be light, but the matching of the core parts is difficult to form large-scale production due to the bottleneck of technology and process, the qualification rate of products is low, the cost is increased, and the product strength requirement and the technological defect of the casting cannot be met.
Disclosure of Invention
The invention aims to provide a new energy automobile aluminum alloy three-in-one differential pressure casting machine so as to solve the problems in the background technology. The new energy automobile aluminum alloy trinity differential pressure casting machine has convenient to use, not only improves the stability of a workpiece in the casting process, but also improves the pressure born by the crucible holding furnace in the working state.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The utility model provides a three unification poor die casting machines of new energy automobile aluminum alloy, includes the bottom plate, the top of bottom plate is equipped with the work platen that the position corresponds, be connected with four stands between work platen and the bottom plate, be equipped with hydraulic lift balance cylinder seat between bottom plate and the work platen, the last surface mounting of hydraulic lift balance cylinder seat has the crucible holding furnace, the top of crucible holding furnace and the bottom surface contact of work platen, crucible holding furnace and bottom plate swing joint, pass through bolted connection between hydraulic lift balance cylinder seat and the bottom plate, be equipped with a plurality of lift tube mouths parallel with the work platen upper surface on the crucible holding furnace, the top of work platen is equipped with the fly leaf, four corners of fly leaf all run through and are equipped with the guide post, and the upper surface at the work platen is installed to one end of four guide posts, are connected with the roof between the top of four guide posts, run through on the roof and are equipped with two hydraulic cylinders, hydraulic cylinder movable rod flange mount is at the upper surface of fly leaf, be connected with the mounting panel between the flange of two hydraulic cylinders, be connected with the die casting die between work and the fly leaf, be connected with die casting die between crucible and the fly leaf through thermal insulation die casting die, control module, the die-casting die is connected with the control module all around through the control cylinder, the die.
Further, the sealing mechanism comprises a lower sealing cover and an upper sealing cover, the lower sealing cover and the upper sealing cover are all arranged around the die casting die, the lower sealing cover is arranged on the upper surface of the working table plate through a plurality of side die adjusting mechanisms, the upper sealing cover is arranged on the bottom surface of the movable plate, and a rubber sealing gasket is arranged between the lower sealing cover and the upper sealing cover.
Further, a plurality of pulleys are installed on the bottom surface of the crucible heat preservation furnace, two guide rails are arranged on the upper surface of the bottom plate, the plurality of pulleys respectively correspond to the positions of the two guide rails, and the bottom ends of the plurality of pulleys respectively extend to the inner parts of the two guide rails, so that the pulleys slide along the bottom surfaces of the guide rails.
Further, the crucible heat preservation furnace comprises a positioning mechanism, wherein the positioning mechanism comprises at least two crucible heat preservation furnace fixing plates which are symmetrically arranged, and the crucible heat preservation furnace fixing plates are arranged outside the crucible heat preservation furnace.
Further, the side die adjusting mechanism is at least provided with four and equiangular arrangements, the side die adjusting mechanism comprises a fixing seat, the bottom of the fixing seat is installed on the upper surface of the workbench plate, a side wall bolt of the fixing seat is connected with an oil cylinder, one end of the oil cylinder corresponding to the lower sealing cover is provided with a sealing shaft seat, and the side face of the sealing shaft seat is connected with the outer side face of the lower sealing cover.
Further, the die casting die comprises a movable die plate and a fixed die plate, wherein the movable die plate is arranged on the bottom surface of the movable die plate, the fixed die plate is arranged on the upper surface of the working table plate, the movable die plate and the fixed die plate are respectively positioned in the upper sealing cover and the lower sealing cover, a groove corresponding to the position of the movable die plate is formed in the upper surface of the fixed die plate, and a convex block corresponding to the position of the groove is arranged on the bottom surface of the movable die plate.
Further, the bottom of lug extends to the inside of recess, runner water inlet with recess intercommunication has been seted up to the bottom of fixed die plate.
Further, one end of the liquid lifting pipe penetrates through the furnace cover of the crucible heat preservation furnace and the working table plate and is connected with the water inlet of the pouring channel, and the other end of the liquid lifting pipe is arranged in the crucible heat preservation furnace.
Further, the control module is a three-in-one control module integrated by three control modules, and the three-in-one control module is electrically controlled and connected with the crucible holding furnace, the hydraulic oil cylinder and the air source component.
Further, a hydraulic lifting balance cylinder seat is arranged at the bottom of the crucible holding furnace fixing plate, and the bottom end of the hydraulic lifting balance cylinder seat is in contact with the upper surface of the bottom plate.
Compared with the prior art, the invention has the beneficial effects that:
By adding the sealing mechanism, a complete sealing state is formed in a state of closing the casting mold, and heat dissipation in the mold is reduced, so that the stability of a workpiece in the casting process is improved; the crucible holding furnace is added, so that the furnace in the prior art is replaced by the crucible holding furnace, and the crucible holding furnace is tightly contacted with the bottom plate of the low-pressure casting machine to form a sealing state, thereby improving the pressure born by the crucible holding furnace in the working state. The structure of the invention is convenient to use, not only improves the stability of the workpiece in the casting process, but also improves the pressure born by the crucible holding furnace in the working state.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a new energy automobile aluminum alloy three-in-one differential pressure casting machine.
Fig. 2 is a schematic diagram of a connecting structure (hiding an upper sealing cover and a lower sealing cover) of a crucible holding furnace and a die casting mold of a new energy automobile aluminum alloy three-in-one differential die casting machine and a liquid lifting pipe structure inside the crucible holding furnace.
Fig. 3 is a schematic diagram of an edge mold adjusting mechanism structure (a state of mold closing) of a new energy automobile aluminum alloy three-in-one differential pressure casting machine.
Fig. 4 is a schematic diagram two of an edge mold adjusting mechanism structure (a state of mold closing) of a new energy automobile aluminum alloy three-in-one differential pressure casting machine.
In the figure: 1-crucible heat preservation furnace bottom plate, 2-fixed plate, 3-crucible heat preservation furnace, 4-lower sealed cowling, 5-fixing base, 6-fly leaf, 7-roof, 8-hydraulic cylinder, 9-mounting panel, 10 guide post, 11-sealed axle bed, 12-cylinder seat, 13-stand, 14-bottom plate, 15-hydraulic lift cylinder seat, 16-pulley, 17-guide rail, 18-upper sealed cowling, 19-lift tube, 21-rubber sealing pad, 22-movable template, 24-fixed template, 26-work platen, 27-cylinder.
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.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-4, the present invention provides a technical solution:
The utility model provides a trinity pressure casting machine, includes bottom plate 14, and the top of bottom plate 14 is equipped with the work platen 26 that the position corresponds, is connected with a plurality of stands 13 between work platen 26 and the bottom plate 14, and this embodiment is 4 stands 13, is equipped with hydraulic pressure lift balance cylinder seat 15 between bottom plate 14 and the work platen 26, and the upper surface mounting of hydraulic pressure lift balance cylinder seat 15 has crucible holding furnace 3, and the top of crucible holding furnace 3 contacts with the bottom surface of work platen 26, crucible holding furnace 3 and bottom plate 14 swing joint, pass through bolted connection between hydraulic pressure lift balance cylinder seat 15 and the bottom plate 14, a plurality of pulleys 16 are installed to crucible holding furnace bottom plate 1 of crucible holding furnace 3, have seted up two guide rails 17 at the upper surface of bottom plate 14, a plurality of pulleys 16 respectively correspond with the position of two guide rails 17, and the bottom of a plurality of pulleys 16 extends to the inside of two guide rails 17 respectively for pulley 16 slides along the bottom surface of guide rail 17, through pulley 16 and guide rail 17 cooperation, so that crucible holding furnace 3 moves on bottom plate 14, thereby improves crucible holding furnace 3 stability in the slip process.
The crucible holding furnace 3 is provided with a plurality of liquid lifting ports parallel to the upper surface of the working table plate 26, and the crucible holding furnace further comprises a positioning mechanism, wherein the positioning mechanism comprises at least two crucible holding furnace fixing plates 2 which are symmetrically arranged, the crucible holding furnace fixing plates 2 are arranged outside the crucible holding furnace 3, the bottom of the crucible holding furnace fixing plates 2 is provided with a hydraulic lifting balance cylinder seat 15, the bottom end of the hydraulic lifting balance cylinder seat 15 is in contact with the upper surface of the bottom plate 14, and the crucible holding furnace 3 is driven to move up and down by adding the positioning mechanism so as to conveniently adjust the position of the crucible holding furnace 3.
The upper part of the working platen 26 is provided with a movable plate 6, four corners of the movable plate 6 are respectively provided with a guide post 10 in a penetrating way, one ends of the four guide posts 10 are arranged on the upper surface of the working platen 26, a top plate 7 is connected between the top ends of the four guide posts 10, two hydraulic cylinders 8 are arranged on the top plate 7 in a penetrating way, a movable rod flange of each hydraulic cylinder 8 is arranged on the upper surface of the movable plate 6, a mounting plate 9 is connected between the flanges of each hydraulic cylinder 8, a die casting mold is connected between the working platen 26 and the movable plate 6, a crucible heat preservation furnace 3 and the die casting mold are connected through a riser 19, sealing mechanisms are arranged around the die casting mold, each sealing mechanism comprises a lower sealing cover 4 and an upper sealing cover 18, each lower sealing cover 4 and each upper sealing cover 18 are arranged around the die casting mold in a surrounding way, each die casting mold comprises a movable mold plate 22 and a fixed mold 24, the movable mold plate 22 is installed on the bottom surface of the movable plate 6, the fixed mold plate 24 is installed on the upper surface of the working table plate 26, the movable mold plate 22 and the fixed mold plate 24 are respectively located in the upper sealing cover 18 and the lower sealing cover 4, grooves corresponding to the positions of the movable mold plate 22 are formed in the upper surface of the fixed mold plate 24, protruding blocks corresponding to the positions of the grooves are installed on the bottom surface of the movable mold plate 22, the bottom ends of the protruding blocks extend to the inside of the grooves, pouring gate water inlets communicated with the grooves are formed in the bottom of the fixed mold plate 24, one ends of the liquid lifting pipes 19 penetrate through the furnace cover of the crucible heat preservation furnace 3 and the working table plate 26 and are connected with the pouring gate water inlets, and the other ends of the liquid lifting pipes 19 are installed in the crucible heat preservation furnace 3 and are used for casting workpieces through a die casting die, and gap distances between the grooves and the protruding blocks are processed according to the wall thicknesses of actual articles.
The side mould adjustment mechanism is equipped with four at least and equiangular arrangement, side mould adjustment mechanism includes fixing base 5, and the upper surface at work platen 26 is installed to the bottom of fixing base 5, cylinder 12 is connected to the lateral wall bolt of fixing base 5, and sealed axle bed 11 is installed to the one end that cylinder 12 corresponds with lower sealed cowling 4, and sealed axle bed 11's side is connected with the lateral surface of lower sealed cowling 4, the bottom of lug extends to the inside of recess, the runner water inlet with the recess intercommunication is seted up to the bottom of fixed die plate 24, carries out the side core pulling through adding side mould adjustment mechanism to the dysmorphism product, and four side mould adjustment mechanism axles are connected with the side mould, fix it from the periphery of lower sealed cowling 4 for the stability that the side mould opened and shut improves.
The upper sealing cover 18 is arranged on the bottom surface of the movable plate 6, a rubber sealing gasket 21 is arranged between the lower sealing cover 4 and the upper sealing cover 18, the upper sealing cover 18 is pressed on the rubber sealing gasket 21 in the state of closing the casting mould, and the lower sealing cover 4 is pressed on the upper surface of the working platen 26, so that a complete sealing state is formed, heat dissipation in the mould is reduced, and the stability of a workpiece in the casting process is improved.
According to the invention, the equipment seal can bear 8 kg of pressure in a working state, the (die-casting) mold seal is originally initiated, liquid is injected into the mold according to the aluminum alloy liquid filling principle, different outside air and air flow are contacted, and the purpose of using a seal cover (a seal mechanism) is to tightly close the mold in a mold closing state, and the vacuum in a mold cavity is pumped, so that the aluminum alloy liquid is naturally molded in the mold, thereby achieving the densification requirement; the mold is formed in a sealed environment state, the aluminum alloy liquid is not contacted with air in the forming process, oxidation of the aluminum alloy liquid is reduced, the product is more compact, the strength of the product is improved by 15% -50%, and the best state is achieved.
The existing low-pressure casting machine (the working mode can be seen from the process characteristics and equipment [ Bai Furong. Xue Yongjun ] of differential pressure casting) is a set of system and one module, while the invention has a low-pressure casting machine system, a vacuum casting machine system and a differential pressure casting machine system, the result is further improved on the basis of the prior art, three control modules of the latter set of system are improved, the control modules are three-in-one control modules integrated by the three control modules, the three-in-one control modules are electrically controlled and connected with a crucible holding furnace 3, a hydraulic cylinder 8 and an air source component, the three-in-one control modules are not described as other components in the prior art, the system is switched according to the requirement of products, each mold needs a technical scheme, three sets of casting system setting parameters are selected according to the requirements of the mold and the products, three different casting schemes are realized, the technical requirements of the products are met, and the three states are: 1. the working state of the low-pressure casting machine is that the die is installed, all travel switches are adjusted, parameters are adjusted, a button switch is started, a program works, air is injected into a low-pressure heat preservation furnace, aluminum alloy liquid is injected into a die cavity through a liquid lifting pipe, pressure is maintained, crystallization and pressure relief are carried out after the aluminum alloy liquid is injected into the die cavity, the die is cooled after the die cavity is filled, the die is cooled, and the die is opened after the strength requirement is met, and the product is taken out; 2. the working state of the vacuum casting machine is that the die is assembled, all travel switches are adjusted, parameters are adjusted, a button switch is started, a program works, firstly, air in a die cavity and in a sealing cover is pumped out to form a vacuum state, air is injected into a low-pressure heat preservation furnace, aluminum alloy liquid is injected into the die cavity through a liquid lifting pipe, pressure is maintained after the die cavity is filled, crystallization and pressure relief after molding are carried out, the die is cooled, and the die is opened after the strength requirement is met, and the product is taken out; 3. the working state of the differential pressure casting machine is that the die is assembled, all travel switches are adjusted, parameters are adjusted, a button switch is started, a program works, air is injected into a low-pressure heat preservation furnace and a sealing cover at the same time, the air is closed after the air pressure reaches 5 kg, 0.5 kg of pressure is increased into the furnace, the pressure difference is formed by 5.5 kg of pressure, aluminum alloy liquid is injected into a die cavity through a liquid lifting pipe, pressure is maintained after the die cavity is filled, the die is crystallized, pressure is relieved after the die is molded, the die is cooled, and the die is opened after the strength requirement is met, and the product is taken out.
The invention adds a set of sealing cover (mainly composed of a lower sealing cover 4 and an upper sealing cover 18) on the prior art (see one of the process characteristics of differential pressure casting and the equipment [ Bai Furong. Xue Yongjun ]), the furnace structure is changed into a crucible heat preservation furnace (the function of automatic furnace changing can be realized, the traditional furnace can only be added with aluminum water, thus the operation is dangerous, the operation is inconvenient, the aluminum alloy liquid is used for a long time for collecting slag by a furnace arm, the crucible heat preservation furnace is replaced every 4 hours, the cleaning is convenient, the purity of the aluminum alloy liquid is ensured, the former heat preservation furnace can generate oxide slag in the process of adding the aluminum water), and the position of a riser tube and the position of a mold pouring port can be changed according to the structure of a product.
The sealing cover is added, so that the aluminum alloy liquid does not contact air in the flowing process of the die cavity of the die in the die closing state, the oxidation of the aluminum alloy liquid caused by the contact of the air is reduced, slag inclusion of a product is caused, and the quality and qualification rate of the product are affected; in addition, the mold can control the mold temperature field in a sealed environment, so that the mold temperature is ensured not to be reduced by air convection, and the process control is facilitated. The crucible holding furnace can realize the furnace changing function, the aluminum water is added into the holding furnace by a transfer ladle after the aluminum water is used up by the traditional low-pressure casting machine, the operation is inconvenient and dangerous-! The aluminum water is easy to oxidize and roll up in the engineering of the aluminum water injection heat preservation furnace, so that the quality of the aluminum water is reduced, the product percent of pass can not be continuously ensured, the crucible heat preservation furnace can realize automatic furnace changing, four wheels are arranged below the furnace, one motor is used for driving the furnace, the furnace can linearly move on the guide rail, remote monitoring and control can be completely realized, and the phenomenon that the aluminum water hurts operators at high temperature is avoided. The position of the lift tube can be changed according to the size and structure of the product, one or three lift tubes with the traditional furnace structure are fixed, and the mold is designed to be the position of the lift tube, so that materials are wasted, the process is inconvenient to improve, the traditional furnace heating mode is that three silicon carbide heating tubes are heated, and the lift tube can only be fixed under the influence of a heating tube; the crucible holding furnace is heated at the periphery of the furnace, the position of the riser tube can be designed in the crucible with the diameter of 800mm according to the structure of the product, and no object interference exists in the crucible.
The invention adopts a frame structure guided by eight guide posts, a crucible holding furnace is used for holding aluminum alloy liquid and heating and holding heat, a lower die is connected onto a bottom plate of a casting machine, an upper die is connected onto a sealing cover and is respectively fixed by a pressing plate, (the dies with side die structures are fixed onto a core-pulling sliding block, the sliding block is connected by adopting a cylinder of 50mm and is ensured to move in a shaft hole, a sealing ring is arranged in the shaft hole and is ensured to be airtight in the moving process), the sealing cover is respectively fixed onto the bottom plate of the casting machine and a movable plate, the upper flange surface and the lower flange surface are fixed by bolts, the flange end surface is provided with a sealing groove, the sealing ring is arranged for sealing, the upper cover, the lower cover and the upper die and the lower die can be separated in operation to form two halves, the middle is positioned by a spigot, the sealing ring is in a sealing structure, and a multi-path cooling water pipe interface is arranged on the cover and a pipeline for gas inlet and outlet is arranged.
The invention relates to the technical field of casting machines, in particular to a new energy automobile aluminum alloy three-in-one differential pressure casting machine, which comprises a bottom plate, wherein a working table plate with the corresponding position is arranged above the bottom plate, four upright posts are connected between the working table plate and the bottom plate, a hydraulic lifting balance cylinder seat is arranged between the bottom plate and the working table plate, a crucible heat preservation furnace is arranged on the upper surface of the hydraulic lifting balance cylinder seat, the top of the crucible heat preservation furnace is in sealing contact with the bottom surface of the working table plate, the working table plate is connected with the crucible heat preservation furnace through the hydraulic lifting balance cylinder seat, a plurality of liquid lifting pipes are arranged on the crucible heat preservation furnace and parallel to the upper surface of the bottom plate, a movable plate is arranged above the working table plate, and guide posts are arranged at four corners of the movable plate in a penetrating manner. The upper surface of the movable plate is connected with two hydraulic cylinders, the flange of each cylinder is fixed on the supporting plate, the movable plate works up and down through the hydraulic cylinders, and the movable plate moves up and down through the guide posts. The upper die is fixed on the lower end surface of the movable plate, the lower die is fixed on the upper end surface of the working table plate, and the die moves up and down through the movable plate to form an opening and closing die, so that the operation is stable. The periphery of the die is provided with a circular sealing cover which is divided into an upper part and a lower part, the upper cover is connected with the lower end face of the movable plate, the lower cover is connected with the upper end face of the working table plate, the upper cover and the lower cover are positioned by adopting a spigot and sealed by a high-temperature resistant O-shaped sealing ring, so that the new energy automobile aluminum alloy three-in-one differential pressure casting machine forms a seal in the working state, can bear 5 kg pressure, can adjust three different casting parameters according to the product structure, can realize the three-in-one differential pressure casting function of low pressure casting, vacuum casting and differential pressure casting, the structure of the invention is convenient to use, not only improves the stability of a workpiece in the casting process and ensures that aluminum alloy liquid does not collect slag, but also automatically goes out of the platform trolley after the aluminum alloy liquid in the crucible heat preservation furnace is used up each time and the heat preservation furnace descends to the guide rail of the bottom plate, and the other standby heat preservation furnace filled with aluminum alloy liquid enters, thereby realizing automatic furnace changing, avoiding the oxidation slag generated by manually adding the aluminum alloy liquid into high-speed air and improving the quality of the aluminum alloy liquid.
Working principle: in the process of casting a workpiece, firstly pouring a metal material into a crucible heat preservation furnace 3, pushing the crucible heat preservation furnace 3, enabling a pulley 16 to slide into a guide rail 17, after the crucible heat preservation furnace 3 is placed on a bottom plate 14, connecting one end of a lift tube 19 with a pouring gate water inlet of a die, then connecting a hydraulic lifting balance cylinder seat 15 with an external hydraulic station through a hydraulic oil pipe, starting the hydraulic lifting balance cylinder seat 15, extending the length of the hydraulic lifting balance cylinder seat 15, enabling a plurality of hydraulic lifting balance cylinder seats 15 to drive the crucible heat preservation furnace 3 to move upwards, enabling a furnace cover of the crucible heat preservation furnace 3 to be in contact with the bottom surface of a working table 26, improving the stability of the crucible heat preservation furnace 3, after the crucible heat preservation furnace 3 is installed, the hydraulic oil cylinder 8 is connected with an external hydraulic station through a hydraulic oil pipe, the hydraulic oil cylinder 8 is started to drive the movable plate 6 to move on the four guide posts 10, the movable mold plate 22 is contacted with the fixed mold plate 24, the upper sealing cover 18 is tightly contacted with the upper surface of the rubber sealing gasket 21, and finally the crucible heat preservation furnace 3 is connected with an external power supply through a power line, so that the crucible heat preservation furnace 3 heats the internal metal materials, and the lift tube 19 is positioned in the metal solution due to the fact that the pressure in the crucible heat preservation furnace 3 is higher and the pressure in the mold is too low, so that the metal solution is conveyed into the groove through the lift tube 19, and the casting process is finished.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a new energy automobile aluminum alloy trinity differential die casting machine, includes bottom plate (14), the top of bottom plate (14) is equipped with work platen (26) that the position corresponds, be connected with four stand (13) between work platen (26) and bottom plate (14), its characterized in that, be equipped with hydraulic pressure lift balance cylinder seat (15) between bottom plate (14) and work platen (26), the upper surface mounting of hydraulic pressure lift balance cylinder seat (15) has crucible holding furnace (3), the top of crucible holding furnace (3) and the bottom surface contact of work platen (26), crucible holding furnace (3) and bottom plate (14) swing joint, through bolted connection between hydraulic lift balance cylinder seat (15) and bottom plate (14), be equipped with a plurality of lift tube mouths parallel with the upper surface of work platen (26) on crucible holding furnace (3), the top of work platen (26) is equipped with fly leaf (6), four corners of fly leaf (6) all run through and are equipped with guide post (10), the one end of four guide post (10) is installed on top of the work platen (7) and is equipped with hydraulic cylinder (8) on the top of the fly leaf (8) between two top plates (8), a mounting plate (9) is connected between flanges of the two hydraulic cylinders (8), a die casting die is connected between the working table plate (26) and the movable plate (6), the crucible heat preservation furnace (3) is connected with the die casting die through a liquid lifting pipe (19), a sealing mechanism is arranged around the die casting die, the crucible heat preservation furnace (3) and the hydraulic cylinders (8) are controlled to be connected with a control module, and the control module is a three-in-one control module integrated by three control modules, and the three-in-one control module is electrically controlled to be connected with the crucible heat preservation furnace (3), the hydraulic cylinders (8) and an air source component;
The sealing mechanism comprises a lower sealing cover (4) and an upper sealing cover (18), wherein the lower sealing cover (4) and the upper sealing cover (18) are all arranged around a die casting die, the lower sealing cover (4) is arranged on the upper surface of a working table plate (26) through a plurality of side die adjusting mechanisms, the upper sealing cover (18) is arranged on the bottom surface of a movable plate (6), and a rubber sealing gasket (21) is arranged between the lower sealing cover (4) and the upper sealing cover (18);
The side die adjusting mechanism is at least provided with four side die adjusting mechanisms and is arranged at equal angles, the side die adjusting mechanism comprises a fixing seat (5), the bottom of the fixing seat (5) is installed on the upper surface of a working table plate (26), a side wall bolt of the fixing seat (5) is connected with an oil cylinder (12), one end, corresponding to the lower sealing cover (4), of the oil cylinder (12) is provided with a sealing shaft seat (11), and the side face of the sealing shaft seat (11) is connected with the outer side face of the lower sealing cover (4).
2. The new energy automobile aluminum alloy trinity differential die casting machine of claim 1, wherein: the crucible heat preservation stove bottom plate (1) of crucible heat preservation stove (3) installs a plurality of pulleys (16), has seted up two guide rails (17) at the upper surface of bottom plate (14), a plurality of pulleys (16) correspond with the position of two guide rails (17) respectively, and the inside that extends to two guide rails (17) respectively is the bottom of a plurality of pulleys (16) for pulley (16) slide along the bottom surface of guide rail (17).
3. The new energy automobile aluminum alloy trinity differential die casting machine of claim 1, wherein: the crucible heat preservation furnace comprises a crucible heat preservation furnace body, and is characterized by further comprising a positioning mechanism, wherein the positioning mechanism comprises a crucible heat preservation furnace fixing plate (2), and the crucible heat preservation furnace fixing plate (2) is arranged outside the crucible heat preservation furnace (3).
4. The new energy automobile aluminum alloy trinity differential die casting machine of claim 1, wherein: the die casting die comprises a movable die plate (22) and a fixed die plate (24), wherein the movable die plate (22) is arranged on the bottom surface of a movable die plate (6), the fixed die plate (24) is arranged on the upper surface of a working platen (26), the movable die plate (22) and the fixed die plate (24) are respectively arranged in an upper sealing cover (18) and a lower sealing cover (4), a groove corresponding to the position of the movable die plate (22) is formed in the upper surface of the fixed die plate (24), and a lug corresponding to the position of the groove is arranged on the bottom surface of the movable die plate (22).
5. The new energy automobile aluminum alloy trinity differential die casting machine of claim 4, wherein: the bottom of lug extends to the inside of recess, runner water inlet with recess intercommunication is seted up to the bottom of fixed template (24).
6. The new energy automobile aluminum alloy trinity differential die casting machine of claim 5, wherein: one end of the liquid lifting pipe (19) penetrates through the furnace cover of the crucible heat preservation furnace (3) and the working table plate (26), one end of the liquid lifting pipe is connected with the water inlet of the pouring gate, and the other end of the liquid lifting pipe (19) is arranged in the crucible heat preservation furnace (3).
7. The three-in-one differential pressure casting machine for the aluminum alloy of the new energy automobile according to claim 3, wherein a hydraulic lifting balance cylinder seat (15) is arranged at the bottom of the crucible holding furnace fixing plate (2), and the bottom end of the hydraulic lifting balance cylinder seat (15) is in contact with the upper surface of the bottom plate (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810851623.8A CN108637218B (en) | 2018-07-30 | New energy automobile aluminum alloy trinity differential pressure casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810851623.8A CN108637218B (en) | 2018-07-30 | New energy automobile aluminum alloy trinity differential pressure casting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108637218A CN108637218A (en) | 2018-10-12 |
| CN108637218B true CN108637218B (en) | 2024-06-07 |
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Effective date of registration: 20190426 Address after: 516100 Room 1702, Building 13, Huahong Xingbian City, Yanjiang Road, Luoyang Town East District, Boluo County, Huizhou City, Guangdong Province Applicant after: Yang An Address before: 528000 Chencun Town, Shunde District, Foshan City, Guangdong Province, Chihua Community Resident Committee, Guanglong Industrial Park, Xingye Road, Shunlian Machinery City, 18th Building, No. 133 Applicant before: FOSHAN YUNLEI INTELLIGENT EQUIPMENT Co.,Ltd. |
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Effective date of registration: 20191211 Address after: No.13 plant, new energy automobile industrial park, Nanguan sub district office, Honghuagang District, Zunyi City, Guizhou Province Applicant after: Guizhou xinlanhui metal products Co.,Ltd. Address before: 516100 Room 1702, Building 13, Huahong Xingbian City, Yanjiang Road, Luoyang Town East District, Boluo County, Huizhou City, Guangdong Province Applicant before: Yang An |
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Address after: 563000 Workshop 13, new energy automobile industrial park, Nanguan sub district office, Honghuagang District, Zunyi City, Guizhou Province Applicant after: Guizhou lanhui New Material Co.,Ltd. Address before: 563000 Workshop 13, new energy automobile industrial park, Nanguan sub district office, Honghuagang District, Zunyi City, Guizhou Province Applicant before: Guizhou xinlanhui metal products Co.,Ltd. |
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