CN114603105A - Pneumatic control device of large vacuum pressurization casting equipment and use method thereof - Google Patents
Pneumatic control device of large vacuum pressurization casting equipment and use method thereof Download PDFInfo
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- CN114603105A CN114603105A CN202210271581.7A CN202210271581A CN114603105A CN 114603105 A CN114603105 A CN 114603105A CN 202210271581 A CN202210271581 A CN 202210271581A CN 114603105 A CN114603105 A CN 114603105A
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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
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
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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
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/2015—Means for forcing the molten metal into the die
- B22D17/2069—Exerting after-pressure on the moulding material
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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
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
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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
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2218—Cooling or heating equipment for dies
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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
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2236—Equipment for loosening or ejecting castings from dies
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Abstract
The invention discloses a pneumatic control device of large vacuum pressurized casting equipment and a using method thereof, wherein the pneumatic control device comprises the following steps: the assembly mainboard, the top of assembly mainboard is fixed mounting respectively has pneumatic punching press mechanism, cooling body and hoist mechanism, the output fixed mounting of pneumatic punching press mechanism has vibration emergence mechanism, after vibration effect in the die head lasts the conduction into liquid raw materials, increase liquid raw materials's rate of motion in the mould, and extrude the bubble that generates in the liquid raw materials, vibration effect along with the die head surface lasts the aggravation, make liquid raw materials possess the potential energy of ascending impact, bubble in the liquid raw materials can flow to liquid raw materials's surface gradually under the extruded effect this moment, it is broken after bubble and air contact, and volatilize to in the mould, prevent that liquid raw materials from being because of inside more bubble, lead to the inside more hollow region that produces of liquid raw materials cooling back work piece, improve the quality that the shaping work piece dispatched from the factory.
Description
Technical Field
The invention relates to the technical field of pneumatic control casting design equipment, in particular to a pneumatic control device of large vacuum pressurization casting equipment and a using method thereof.
Background
Pressure casting refers to a casting method of injecting molten or semi-molten metal into a metal mold at a high speed and crystallizing under pressure, called die casting for short, the pressure casting is a casting method of filling liquid or semi-solid metal or alloy, or liquid metal or alloy containing reinforcement phase into a cavity of a die casting mold at a high speed under high pressure and solidifying the metal or alloy under pressure to form a casting, the pressure commonly used in die casting is 4-500 MPa, and the metal filling speed is 0.5-120 m/s, therefore, the high pressure and high speed are fundamental differences between the die casting method and other casting methods and are also important characteristics, the selection of the filling speed is determined according to the structural characteristics of different alloys and castings, generally, for the casting with high requirements on thick wall or internal quality, a lower filling speed and a high pressurizing pressure are selected, for the casting with high requirements on thin wall or surface quality and complex castings, a higher ratio and a high filling rate should be chosen.
In the prior art, as in the Chinese patent number: CN 110102745A discloses a pressure boost casting equipment for alloy steel is cast, the on-line screen storage device comprises a base, one side of vacuum pressure boost casting room is provided with control switch and second motor respectively, just the inboard lower part of vacuum pressure boost casting room is provided with casting die utensil, the inboard upper portion of vacuum pressure boost casting room is provided with the feeder hopper, the lower extreme of feeder hopper is provided with row material pipe, the outside of arranging the material pipe is provided with the lead screw that lead screw and second motor are connected, the outside symmetry of lead screw is provided with the thread bush, every the outside of thread bush all is provided with the connecting rod, two the lower extreme of connecting rod is provided with casting gate jointly.
However, the following disadvantages exist in this patent:
in the process of casting a workpiece by adopting pressure, firstly, a liquid metal material is poured into a mold, and then the molding casting die head is quickly pressed down into the mold through a pneumatic component, in the process, the liquid metal collides with the casting die head at a high speed and splashes to a certain height, when the liquid metal descends again, part of air in the mold can be mixed into the liquid material, so that a large amount of bubbles are generated in the liquid metal, but in the patent, the whole die-casting mode is single, the air mixed into the liquid metal cannot be effectively removed, and after the workpiece cast in the later period is cooled and molded, more hollow areas exist inside the workpiece.
Therefore, we propose an air control device for large vacuum pressurized casting equipment and a use method thereof so as to solve the problems proposed in the above.
Disclosure of Invention
The invention aims to provide an air control device of large-scale vacuum pressurization casting equipment and a using method thereof.
In order to achieve the purpose, the invention provides the following technical scheme: a pneumatic control device of large vacuum pressurized casting equipment and a using method thereof comprise the following steps: the assembly device comprises an assembly main board, wherein a pneumatic stamping mechanism, a cooling mechanism and a lifting mechanism are fixedly mounted at the top of the assembly main board respectively, and a vibration generating mechanism is fixedly mounted at the output end of the pneumatic stamping mechanism;
the mechanism includes the roof in the vibration emergence, the bottom fixed mounting of roof has the pressure head, the interior table wall fixed mounting of pressure head has interior contact ring, the installation hole has been seted up to the bottom of roof, and the inner wall top fixed mounting of installation hole has servo motor, servo motor's bottom fixed mounting has spacing sleeve, servo motor's output fixed mounting has the transfer line, the fixed cover of outward appearance wall of transfer line is equipped with the carousel, the inside fixed insertion of carousel is equipped with a plurality of linkage plates, the interior table wall welding of interior contact ring has a plurality of buckles, and is a plurality of the equal fixed mounting of outward appearance wall of linkage plate has metal shrapnel.
Preferably, pneumatic punching press mechanism includes the reinforcing plate, the reinforcing plate passes through a set of screw fixed mounting at the top of assembly mainboard, the top welding of reinforcing plate has L type metal frame, the top of roof is connected with pneumatic component's output.
Preferably, a set of support rods is fixedly inserted into the top of the L-shaped metal frame, a grafting plate a is fixedly sleeved between the tops of the support rods, a grafting plate B is fixedly sleeved between the bottoms of the support rods, limiting holes are formed in the A, L-shaped metal frame and the grafting plate B, the diameter values of the limiting holes are equal, and a pneumatic assembly is fixedly inserted between the inner surface walls of the three limiting holes.
Preferably, the outer wall of the pneumatic component is fixedly sleeved with an external lantern ring, the bottom of the external lantern ring is fixedly inserted with a plurality of limiting rods, and the bottoms of the limiting rods are fixedly inserted at the top of the L-shaped metal frame.
Preferably, a group of metal rods is fixedly inserted at the top of the assembling main board, and a rubber buckle is fixedly sleeved on the outer surface wall of each metal rod.
Preferably, cooling body is including holding the dress cover shell, hold the bottom activity of dress cover shell and place between the top that a set of rubber was detained, the inner wall bottom fixed mounting of dress cover shell has two condensation ducts, two fixed intercommunication has the intersection pipeline between condensation duct's the exterior wall, the top fixed mounting of assembly mainboard has branch, the annular has been seted up to the exterior wall of branch, and the inside activity of annular is provided with the activity lantern ring, the exterior wall welding of the activity lantern ring has the extension rod, the exterior wall of extension rod is fixed to be inserted and is established in the inside of holding the dress cover shell, the outer wall one side fixed mounting of dress cover shell has the handle.
Preferably, the welding of outer wall one side of assembly mainboard has outer fishplate bar, the inside fixed mounting of outer fishplate bar has the go-between, the interior table wall of go-between is fixed to be inserted and is equipped with refrigeration subassembly, outer wall one side fixed mounting of holding the dress cover shell has hollow case, the outer surface wall fixed intercommunication of pipeline in cross has a set of transmission pipeline, and is a set of the outer surface wall of transmission pipeline all runs through holding dress cover shell and hollow case to be linked together with the inside of hollow case, refrigeration subassembly's the fixed intercommunication of output has the pipeline of taking place, the output of taking place the pipeline and the outer surface wall of hollow case communicate mutually.
Preferably, the hoisting mechanism comprises a rectangular groove, the rectangular groove is arranged at the bottom of the inner wall of the bearing casing shell, two slide holes and two metal slide rods are arranged in the bearing casing shell in an all-movable inserting manner, the impact plates are fixedly sleeved between the outer walls of the metal slide rods, the punching rods are fixedly arranged at the bottom of the inner wall of the rectangular groove, and the output ends of the punching rods are fixedly arranged at the bottom of the impact plates
A use method of a pneumatic control device of large vacuum pressurization casting equipment comprises the following steps:
the method comprises the following steps: firstly, a mold liner filled with liquid metal is placed in a bearing casing, and a pneumatic assembly is started to drive a casting head on a top plate to continuously move towards the bearing casing.
Step two: after the casting head obtains power under orientation, a strong impact effect can be generated when the casting head contacts liquid metal, so that the liquid can be splashed to a certain height and covers towards the two sides of the inner container, and at the moment, a certain cube of air can permeate into the liquid material in the falling process of the liquid material.
Step three: the servo motor is started to drive the metal elastic sheet on the connecting plate to rotate at a high speed in the casting head and continuously collide the surface of the buckle, so that the surface of the casting head generates a higher vibration effect, meanwhile, the vibration effect on the surface of the casting head can be continuously diffused into the liquid material, the flow rate of the liquid material is improved, and bubbles in the liquid material are extruded.
Step four: when the casting mould reaches a period of time, the refrigerating assembly is started, refrigerating airflow generated during working can be conveyed through the pipelines and conducted into the condensing pipeline, and meanwhile, cold air generated on the surface of the condensing pipeline can be continuously emitted into the bearing casing shell to create a lower-temperature environment for the liquid material in the inner container
Preferably, in the fourth step: after the liquid material is cooled, the pneumatic assembly is started again to drive the casting head on the top plate, so that the casting head is separated from the liner, the impact rod in the rectangular groove is started to quickly push the impact plate, the liner and the cast workpiece are pushed out of the bearing casing shell, the handle on the bearing casing shell is pulled, the direction of the bearing casing shell is changed by utilizing the movable connection between the movable sleeve ring and the annular groove, and the liner and the workpiece are taken out.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the vibration generating mechanism, when the casting head is contacted with the liquid metal raw material, a higher vibration effect is generated on the surface of the casting head by using the driving part in the mechanism, after the vibration effect in the casting head is continuously transmitted into the liquid raw material, the movement rate of the liquid raw material in the die is increased, and bubbles generated in the liquid raw material are extruded, so that the liquid raw material has upward impact potential energy along with the continuous aggravation of the vibration effect on the surface of the casting head, at the moment, the bubbles in the liquid raw material can gradually flow to the surface of the liquid raw material under the extrusion effect, and are crushed after being contacted with air and volatilized into the die, so that the phenomenon that more hollow areas are generated in the workpiece after the liquid raw material is cooled due to more bubbles in the liquid raw material is prevented, and the quality of the formed workpiece after leaving the factory is improved.
2. The invention can artificially create a cooler environment around the die by the cooling mechanism, and continuously seeps the generated cold air into the liquid raw material in the die by utilizing the heat conduction between metals, thereby accelerating the cooling rate of the liquid raw material and shortening the demoulding time of the device.
3. According to the invention, through the lifting mechanism, the difficulty of detaching the inner container by an operator can be reduced, the formed workpiece has heavier mass due to higher density of liquid metal, the edge of the inner container can be fully covered on the top of the bearing casing, and the pneumatic component in the mechanism is used for pushing the inner container out of the bearing casing from the bottom of the inner container, so that the edge of the inner container is separated from the top of the bearing casing, and the difficulty of manually detaching the inner container is effectively reduced.
Drawings
FIG. 1 is a perspective view of a main view structure of a pneumatic control device of a large vacuum pressurized casting device and a using method thereof;
FIG. 2 is an enlarged perspective view of a pneumatic stamping mechanism structure in the pneumatic control device of the large vacuum pressurized casting equipment and the use method thereof;
FIG. 3 is an enlarged perspective view of a structure of a vibration generating mechanism in the pneumatic control device of the large vacuum pressurized casting equipment and the use method thereof;
FIG. 4 is an enlarged perspective view of a cooling mechanism structure in the pneumatic control device of the large vacuum supercharging casting equipment and the use method thereof;
FIG. 5 is a schematic view of a part of the structure of the pneumatic control device of the large vacuum pressurized casting equipment and the use method thereof;
FIG. 6 is a schematic structural diagram of a lifting mechanism in the pneumatic control device of the large vacuum pressurized casting equipment and the use method thereof;
FIG. 7 is an enlarged perspective view of the structure at A in FIG. 3, illustrating the pneumatic control device of the large vacuum pressurized casting apparatus and the method of using the same according to the present invention;
fig. 8 is an enlarged perspective view of a structure at a position B in fig. 4, which is the pneumatic control device of the large vacuum pressurized casting equipment and the using method thereof.
In the figure: 1. assembling a main board; 2. a pneumatic stamping mechanism; 201. a reinforcing plate; 202. an L-shaped metal frame; 203. a support bar; 204. a grafting plate A; 205. a grafting plate B; 206. a pneumatic assembly; 207. a lantern ring is externally connected; 208. a limiting rod; 3. a vibration generating mechanism; 301. a top plate; 302. casting and pressing head; 303. an inner connecting ring; 304. a servo motor; 305. a limiting sleeve; 306. a transmission rod; 307. a turntable; 308. a connector tile; 309. buckling; 310. a metal spring sheet; 4. a cooling mechanism; 401. a housing shell; 402. a condensing duct; 403. a junction conduit; 404. a hollow box; 405. an outer connecting plate; 406. a connecting ring; 407. a refrigeration assembly; 408. a generation pipe; 409. a transmission pipeline; 5. a lifting mechanism; 501. a rectangular groove; 502. a slide hole; 503. a metal slide bar; 504. an impact plate; 505. a stamping rod; 6. a metal rod; 7. rubber buckles; 8. a strut; 9. a movable collar; 10. an extension rod; 11. and (4) a handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a pneumatic control device of large vacuum pressurized casting equipment and a using method thereof comprise the following steps: the assembly mainboard 1, the top of assembly mainboard 1 fixed mounting respectively has pneumatic punching press mechanism 2, cooling body 4 and hoist mechanism 5, and the output fixed mounting of pneumatic punching press mechanism 2 has vibration emergence mechanism 3.
As shown in fig. 3 and 7, the vibration generating mechanism 3 includes a top plate 301, a casting head 302 is fixedly installed at the bottom of the top plate 301, an inner ring 303 is fixedly installed on the inner surface wall of the casting head 302, an installation hole is formed at the bottom of the top plate 301, a servo motor 304 is fixedly installed at the top of the inner wall of the installation hole, a limit sleeve 305 is fixedly installed at the bottom of the servo motor 304, a transmission rod 306 is fixedly installed at the output end of the servo motor 304, a rotary plate 307 is fixedly sleeved on the outer surface wall of the transmission rod 306, a plurality of connecting plates 308 are fixedly inserted into the rotary plate 307, a plurality of fasteners 309 are welded on the inner surface wall of the inner ring 303, metal elastic pieces 310 are fixedly installed on the outer surface walls of the connecting plates 308, and after the servo motor 304 is started, the metal elastic pieces 310 on the connecting plates 308 are driven to rotate at a high speed and continuously contact with the fasteners 309, so that the surface of the casting head 302 generates strong vibration, after the vibration effect is continuously transmitted into the liquid raw material, conditions are provided for eliminating bubbles in the liquid raw material.
According to fig. 1, the pneumatic stamping mechanism 2 comprises a reinforcing plate 201, the reinforcing plate 201 is fixedly installed at the top of the assembly main board 1 through a set of screws, an L-shaped metal frame 202 is welded to the top of the reinforcing plate 201, the top of the top plate 301 is connected with the output end of the pneumatic component 206, the connecting strength between the L-shaped metal frame 202 and the top of the assembly main board 1 is reinforced through the reinforcing plate 201, and the breakage between structures is prevented when the device is used for doing work.
According to the illustration in fig. 2, a set of support rods 203 is fixedly inserted into the top of the L-shaped metal frame 202, a grafting board a204 is fixedly sleeved between the tops of the set of support rods 203, a grafting board B205 is fixedly sleeved between the bottoms of the set of support rods 203, limiting holes are formed in the grafting board a204, the L-shaped metal frame 202 and the grafting board B205, the diameter values of the limiting holes are equal, a pneumatic component 206 is fixedly inserted between the inner surface walls of the three limiting holes, the transverse shaking generated when the pneumatic component 206 works is effectively limited by the three limiting holes, and the working stability of the pneumatic component 206 is improved.
According to fig. 2, the outer wall of the pneumatic component 206 is fixedly sleeved with an external sleeve ring 207, the bottom of the external sleeve ring 207 is fixedly inserted with a plurality of limiting rods 208, the bottoms of the limiting rods 208 are fixedly inserted at the top of the L-shaped metal frame 202, and the external sleeve ring 207 is effectively limited from longitudinally shaking during working by arranging the external sleeve ring 207 and the limiting rods 208, so that the stability of the external sleeve ring 207 during working is further improved.
According to fig. 5, a group of metal rods 6 is fixedly inserted into the top of the assembled main board 1, and a rubber buckle 7 is fixedly sleeved on the outer wall of each metal rod 6, so that a supporting condition is provided for the film casting of the containing case 401 by the rubber buckle 7, and the metal containing case 401 is prevented from being shifted by the friction effect generated by the rubber product.
According to fig. 8, the cooling mechanism 4 includes a holding sleeve case 401, the bottom of the holding sleeve case 401 is movably placed between the tops of a group of rubber buttons 7, two condensation pipelines 402 are fixedly installed at the bottom of the inner wall of the holding sleeve case 401, intersection pipelines 403 are fixedly communicated between the outer walls of the two condensation pipelines 402, a support rod 8 is fixedly installed at the top of the assembled main board 1, an annular groove is formed in the outer wall of the support rod 8, a movable sleeve ring 9 is movably arranged inside the annular groove, an extension rod 10 is welded on the outer wall of the movable sleeve ring 9, the outer wall of the extension rod 10 is fixedly inserted inside the holding sleeve case 401, a handle 11 is fixedly installed on one side of the outer wall of the holding sleeve case 401, and by arranging the extension rod 10, the angle of the holding sleeve case 401 can be rapidly changed by pulling a pull handle 11 with force by utilizing the movable connection between the annular groove and the movable sleeve ring 9.
According to fig. 4, an external connection plate 405 is welded on one side of the outer wall of the assembled main board 1, a connection ring 406 is fixedly installed inside the external connection plate 405, a refrigeration component 407 is fixedly inserted into the inner surface wall of the connection ring 406, a hollow box 404 is fixedly installed on one side of the outer wall of the housing shell 401, a group of transmission pipelines 409 are fixedly communicated with the outer surface wall of the intersection pipeline 403, the input ends of the group of transmission pipelines 409 penetrate through the outer surface walls of the housing shell 401 and the hollow box 404, and is communicated with the interior of the hollow box 404, the output end of the refrigeration component 407 is fixedly communicated with a generation pipeline 408, the output end of the generation pipeline 408 is communicated with the outer wall of the hollow box 404, and by arranging a plurality of conveying pipelines, the cold air generated in the refrigeration component 407 can be rapidly delivered into the condensation duct 402, and a relatively cold cooling environment can be established in the casing 401, providing conditions for accelerating the cooling of the liquid feedstock.
According to fig. 6, the lifting mechanism 5 comprises a rectangular groove 501, the rectangular groove 501 is arranged at the bottom of the inner wall of the bearing case 401, two sliding holes 502 are arranged in the bearing case 401, metal sliding rods 503 are movably inserted in the two sliding holes 502, an impact plate 504 is fixedly sleeved between the outer walls of the two metal sliding rods 503, a stamping rod 505 is fixedly arranged at the bottom of the inner wall of the rectangular groove 501, the output end of the stamping rod 505 is fixedly arranged at the bottom of the impact plate 504, the impact plate 504 can be rapidly pushed after the liquid raw material is cooled by the stamping rod 505, the inner container is separated from the bearing case 401, and the difficulty of manual removal is low.
The effects achieved by a plurality of mechanisms are as follows: firstly, moving the device to a designated working area, placing an independent inner container into a holding sleeve shell 401, then quickly pouring liquid metal into the inner container, starting a pneumatic component 206 on an L-shaped metal frame 202 to drive a casting head 302 on a top plate 301 to continuously move towards the inner container, finally extruding the liquid raw material in the inner container, enabling most of the area to be in contact with the liquid raw material, starting a servo motor 304 at the moment, driving a plurality of connecting plates 308 on a turntable 307 to rotate at high speed under the conduction of a transmission rod 306 to the power, enabling metal elastic sheets 310 on the connecting plates 308 to continuously contact and collide with buckles 309, enabling the surface of the casting head 302 to generate a strong vibration effect, starting a refrigerating component 407 in a connecting ring 406 after the treatment of bubbles in the liquid raw material is completed, quickly collecting the generated cold air into a hollow box 404 through the transportation of a generation pipeline 408, and then conveying the cold air through a crossed pipeline 403 and a transmission pipeline 409, and continuously delivers cold air into the condensing duct 402 to create a relatively cool environment in the package sleeve 401, accelerating the cooling of the liquid raw material in the inner bladder.
The invention also provides a use method of the pneumatic control device of the large vacuum pressurization casting equipment, which comprises the following steps: the method comprises the following steps: the mold liner containing the liquid metal is first placed in the containment sleeve 401 and the pneumatic assembly 206 is actuated to move the ram head 302 on the top plate 301 continuously toward the containment sleeve 401.
Step two: after the casting head 302 obtains downward power, a strong impact effect can be generated when the casting head contacts liquid metal, so that the liquid can be splashed to a certain height and covers towards the two sides of the liner, and at the moment, a certain cube of air can permeate into the liquid material in the falling process of the liquid material.
Step three: the servo motor 304 is started to drive the metal elastic sheet 310 on the connecting plate 308 to rotate at a high speed in the coining head 302 and continuously collide with the surface of the buckle 309, so that the surface of the coining head 302 generates a high vibration effect, and meanwhile, the vibration effect on the surface of the coining head 302 is continuously diffused into the liquid material, the flow rate of the liquid material is improved, and air bubbles in the liquid material are squeezed.
Step four: after the casting mold reaches a certain time, the refrigerating assembly 407 is activated, the refrigerating airflow generated during the operation thereof is conveyed through the plurality of pipes and conducted into the condensing pipe 402, and the cold air generated on the surface of the condensing pipe 402 is continuously emitted into the containing casing 401, so as to create a lower temperature environment for the liquid material in the inner container.
The use method of the pneumatic control device of the large-scale vacuum pressurization casting equipment is approximately the same as that of the pneumatic control device of the large-scale vacuum pressurization casting equipment, and the pneumatic control device of the large-scale vacuum pressurization casting equipment is mainly characterized in that: after the liquid material is cooled, the pneumatic assembly 206 is started again to drive the casting head 302 on the top plate 301, so that the casting head 302 is separated from the liner, the stamping rod 505 in the rectangular groove 501 is started, the impact plate 504 is pushed quickly, the liner and the cast workpiece are pushed out of the bearing casing 401, the handle 11 on the bearing casing 401 is pulled, the direction of the bearing casing 401 is changed by utilizing the movable connection between the movable sleeve ring 9 and the ring groove, and the liner and the workpiece are taken out.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a large-scale vacuum pressure boost casting equipment air control device which characterized in that: the method comprises the following steps: the device comprises an assembly main board (1), wherein the top of the assembly main board (1) is fixedly provided with a pneumatic stamping mechanism (2), a cooling mechanism (4) and a lifting mechanism (5) respectively, and the output end of the pneumatic stamping mechanism (2) is fixedly provided with a vibration generating mechanism (3);
the vibration generating mechanism (3) comprises a top plate (301), the top plate (301) is fixedly arranged on the top of the assembling main plate (1) through a group of screws, a casting head (302) is fixedly arranged at the bottom of the top plate (301), an inner connecting ring (303) is fixedly arranged on the inner surface wall of the casting head (302), a mounting hole is formed at the bottom of the top plate (301), a servo motor (304) is fixedly arranged at the top of the inner wall of the mounting hole, a limiting sleeve (305) is fixedly arranged at the bottom of the servo motor (304), the output end of the servo motor (304) is fixedly provided with a transmission rod (306), the outer wall of the transmission rod (306) is fixedly sleeved with a rotary disc (307), a plurality of connecting plates (308) are fixedly inserted in the rotary disc (307), the inner surface wall of the inner ring (303) is welded with a plurality of buckles (309), and the outer surface walls of the plurality of connecting plates (308) are fixedly provided with metal elastic sheets (310).
2. The air control device of the large vacuum pressurized casting equipment and the use method thereof according to claim 1 are characterized in that: pneumatic punching press mechanism (2) include reinforcing plate (201), reinforcing plate (201) are through a set of screw fixed mounting at the top of assembling mainboard (1), the top welding of reinforcing plate (201) has L type metal frame (202), the top of roof (301) is connected with the output of pneumatic component (206).
3. The air control device of the large vacuum pressurized casting equipment and the use method thereof according to claim 2 are characterized in that: the top of L type metal frame (202) is fixed to be inserted and is equipped with a set of bracing piece (203), and is a set of fixed cover is equipped with grafting board A (204) between the top of bracing piece (203), and is a set of fixed cover is equipped with grafting board B (205) between the bottom of bracing piece (203), spacing hole has all been seted up to the inside of grafting board A (204), L type metal frame (202) and grafting board B (205), and the diameter numerical value of every spacing hole equals to pneumatic component (206) are fixed to be inserted between the interior table wall of three spacing hole.
4. The air control device of the large vacuum pressurized casting equipment and the use method thereof according to claim 3 are characterized in that: the fixed cover of the outward appearance wall of pneumatic component (206) is equipped with external lantern ring (207), the bottom of external lantern ring (207) is fixed to be inserted and is equipped with a plurality of gag lever posts (208), and is a plurality of the bottom of gag lever post (208) is all fixed to be inserted and is established the top at L type metal frame (202).
5. The air control device of the large vacuum pressurized casting equipment and the use method thereof according to claim 1 are characterized in that: a group of metal rods (6) is fixedly inserted at the top of the assembling main board (1), and a rubber buckle (7) is fixedly sleeved on the outer wall of each metal rod (6).
6. The air control device of the large vacuum pressurized casting equipment and the use method thereof according to claim 5 are characterized in that: cooling body (4) are including holding dress cover shell (401), hold the activity of the bottom of dress cover shell (401) and place between the top that a set of rubber detained (7), the inner wall bottom fixed mounting of holding dress cover shell (401) has two condensation duct (402), two fixed intercommunication has intersection pipeline (403) between the exterior wall of condensation duct (402), the top fixed mounting who assembles mainboard (1) has branch (8), the annular has been seted up to the exterior wall of branch (8), and the inside activity of annular is provided with movable lantern ring (9), the exterior wall welded joint of movable lantern ring (9) has extension rod (10), the fixed inside of inserting the inside of establishing in holding dress cover shell (401) of exterior wall (10), the outer wall one side fixed mounting of holding dress cover shell (401) has handle (11).
7. The air control device of the large vacuum pressurized casting equipment and the use method thereof according to claim 6 are characterized in that: the welding of outer wall one side of assembly mainboard (1) has outer fishplate bar (405), the inside fixed mounting of outer fishplate bar (405) has go-between (406), the fixed inserting of interior table wall of go-between (406) is equipped with refrigeration subassembly (407), the outer wall one side fixed mounting of holding dress cover shell (401) has hollow case (404), the fixed intercommunication of outer wall of pipeline (403) that intersects has a set of transmission pipeline (409), and is a set of the outer wall that holds dress cover shell (401) and hollow case (404) is all run through to the input of transmission pipeline (409) to be linked together with the inside of hollow case (404), the fixed intercommunication of output of refrigeration subassembly (407) has emergence pipeline (408), the outer wall of the output of emergence pipeline (408) and hollow case (404) communicates mutually.
8. The air control device of the large vacuum pressurized casting equipment and the use method thereof according to claim 6 are characterized in that: hoist mechanism (5) include rectangular channel (501), the inner wall bottom at holding dress cover shell (401) is seted up in rectangular channel (501), two slide opening (502) have been seted up to the inside of holding dress cover shell (401), two the equal activity in inside of slide opening (502) is inserted and is equipped with metal slide bar (503), two fixed cover is equipped with impact plate (504) between the exterior wall of metal slide bar (503), the inner wall bottom fixed mounting of rectangular channel (501) has stamping rod (505), the output fixed mounting of stamping rod (505) is in the bottom of impact plate (504).
9. A use method of a pneumatic control device of large vacuum pressurization casting equipment is characterized in that: the air control device of the large vacuum pressurized casting equipment according to any one of claims 1 to 8 is used, and comprises the following steps:
s1: firstly, placing a mold inner container filled with liquid metal in a containing shell (401), starting a pneumatic assembly (206) and driving a casting press head (302) on a top plate (301) to continuously move towards the containing shell (401);
s2: when the casting pressure head (302) obtains downward power, a strong impact effect is generated when the casting pressure head contacts liquid metal, so that the liquid can be splashed to a certain height and covers towards the two sides of the inner container, and at the moment, a certain cube of air permeates into the liquid material in the falling process of the liquid material;
s3: starting a servo motor (304), driving a metal elastic sheet (310) on a connecting plate (308) to rotate at a high speed in a casting and pressing head (302), and continuously colliding the surface of a buckle (309), so that the surface of the casting and pressing head (302) generates a high vibration effect, meanwhile, the vibration effect on the surface of the casting and pressing head (302) is continuously diffused into a liquid material, the flow rate of the liquid material is improved, and bubbles in the liquid material are squeezed;
s4: after the casting mold reaches a certain time, the refrigerating assembly (407) is started, refrigerating air flow generated during the working process is conveyed through the plurality of pipelines and is conducted into the condensing pipeline (402), and cold air generated on the surface of the condensing pipeline (402) is continuously emitted into the containing shell (401) to create a lower-temperature environment for the liquid material in the inner container.
10. The air control device of the large vacuum pressurized casting equipment and the use method thereof according to claim 9 are characterized in that: in the S4: after the liquid material is cooled, the pneumatic assembly (206) is started again to drive the casting head (302) on the top plate (301), the casting head (302) is separated from the inner container, the punching rod (505) in the rectangular groove (501) is started, the impact plate (504) is pushed quickly, the inner container and the cast workpiece are pushed out of the bearing casing shell (401), the handle (11) on the bearing casing shell (401) is pulled, the direction of the bearing casing shell (401) is changed by utilizing the movable connection between the movable sleeve ring (9) and the ring groove, and the inner container and the workpiece can be taken out.
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| CN115156511A (en) * | 2022-09-07 | 2022-10-11 | 苏州圣亚精密机械有限公司 | Metal part casting device capable of reducing bubble amount |
| CN115351243A (en) * | 2022-08-09 | 2022-11-18 | 芜湖久弘重工股份有限公司 | Pouring device for casting large numerical control horizontal machine tool and using method thereof |
| CN115753879A (en) * | 2022-11-04 | 2023-03-07 | 济宁市圣奥精细化工有限公司 | Infrared sensitization dyestuff light and heat conversion testing arrangement |
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