CN110479960B - Lost foam casting process for aluminum processing - Google Patents
Lost foam casting process for aluminum processing Download PDFInfo
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- CN110479960B CN110479960B CN201910898236.4A CN201910898236A CN110479960B CN 110479960 B CN110479960 B CN 110479960B CN 201910898236 A CN201910898236 A CN 201910898236A CN 110479960 B CN110479960 B CN 110479960B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C21/00—Flasks; Accessories therefor
- B22C21/08—Clamping equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C21/00—Flasks; Accessories therefor
- B22C21/10—Guiding equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C21/00—Flasks; Accessories therefor
- B22C21/12—Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
- B22C9/046—Use of patterns which are eliminated by the liquid metal in the mould
Abstract
The invention relates to an aluminum processing lost foam casting process which mainly comprises the following steps of smelting an aluminum raw material into a liquid state, manufacturing a gasification mold, fixing a sand box, placing the mold, pouring a casting and taking out the casting. The invention can solve the following problems existing in the process of adopting the lost foam casting process of the existing aluminum product casting, a, after the sand box is placed on the vibration table, the volume and the weight of the sand box are larger, and the situation that the sand box slides easily and even turns over the box possibly occurs in the vibration operation; b, simply placing the mold into the sand box by using a traditional sand box, wherein the mold can deviate along with the vibration amplitude of the sand box when vibrating, and the mold with a complex structure can deform under the condition that the mold cannot be fixed, so that a casting cannot be used.
Description
Technical Field
The invention relates to the technical field of casting, in particular to an aluminum processing lost foam casting process.
Background
The smelting and casting of aluminum are the most common of the existing aluminum processing methods, and the lost foam casting method is one of the aluminum casting processes. The lost foam casting process comprises the following steps of smelting an aluminum raw material into liquid, manufacturing a gasification mold, fixing a sand box, placing the mold, pouring a casting and taking out the casting.
However, the following problems exist in the process of adopting the lost foam casting process for the existing aluminum product castings, namely a, after a sand box is placed on a vibration table, the sand box needs to be fixed by means of a tool, the volume and the weight of the sand box are large, and the situation that the sand box slides easily or even turns over the box possibly occurs in the vibration operation; b, simply placing the mold into the sand box by using a traditional sand box, wherein the mold can deviate along with the vibration amplitude of the sand box when vibrating, and the mold with a complex structure can deform under the condition that the mold cannot be fixed, so that a casting cannot be used.
For the technical problem of the aluminum product casting in the lost foam casting process, a person skilled in the relevant art has made an adaptive improvement after research, for example, patent No. 201611018512, a lost foam casting process, which solves the problems that the surface flatness of the workpiece after casting and molding is not high and the surface of the workpiece needs to be machined again by using a cutter, however, the problem of the aluminum product casting in the lost foam casting process mentioned above needs to be solved at present.
Disclosure of Invention
In order to solve the problems, the invention provides an aluminum processing lost foam casting process, which can solve the problems of the aluminum product casting in the lost foam casting process.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: an aluminum processing lost foam casting process mainly comprises the following casting steps:
step one, smelting materials, namely putting the raw materials to be cast into a smelting furnace, rapidly heating the raw materials to 600-700 ℃, and adding a powdery smelting agent into the solution after the raw materials in the smelting furnace are completely liquefied to obtain a casting solution;
step two, manufacturing a gasification mold, namely, carrying out pre-foaming curing molding on the raw materials for manufacturing the gasification mold, removing burrs on the surface of the molded gasification mold, uniformly coating fire-resistant paint on the surface of the gasification mold, placing the gasification mold into a drying oven, baking for 10-15min at the temperature of 50-60 ℃, naturally cooling to the normal temperature state, and taking out the gasification mold;
fixing a sand box, namely placing the sand box on casting equipment, fixing the sand box through a support locking device, paving prepared bottom sand into the sand box, wherein the paving thickness of the bottom sand is 5-7cm, and vibrating and compacting the bottom sand through a vibrating device;
placing a mould, namely placing the gasification mould prepared in the step two into a sand box, pouring dry sand into the sand box through the periphery of an opening of the sand box to prevent the dry sand from directly hitting the gasification mould, filling the sand box with the dry sand, controlling the sand box to vibrate by a vibration device to increase the density between the dry sand, and scraping the dry sand at the port position of the sand box;
step five, casting, namely covering a sand box opening with a plastic film, putting a pouring cup, connecting a negative pressure system, controlling the casting solution prepared in the step one to cast after compaction, and replacing the position with molten metal when a gasification mold disappears to finish casting of the casting;
taking out the casting, taking out the casting from the sand box after the casting is cooled to a normal temperature state, and carrying out fine processing treatment on the casting after impurities on the surface of the sand box are removed;
the casting equipment used in the steps comprises a vibration base frame, wherein a movable groove is formed in the upper end of the vibration base frame, a vibration device is arranged in the vibration base frame, a support locking device is arranged on the vibration base frame, a sand box is detachably placed on the support locking device, a driving rod is installed at the lower end of the support locking device, and the lower end of the driving rod penetrates through the movable groove and abuts against the vibration device;
the vibrating device comprises a driving cylinder arranged on the inner wall of the vibrating base frame, the top end of the driving cylinder is provided with a vibrating frame through a flange, the vibrating frame is connected to the inner wall of the vibrating base frame in a sliding fit mode, and the driving rod is abutted to the inner wall of the vibrating base frame.
The supporting and locking device comprises a supporting mechanism which is uniformly arranged on the vibration base frame, a locking frame is arranged on the supporting mechanism, locking grooves are uniformly formed in the inner wall of the locking frame, a locking mechanism is arranged in each locking groove, a locking motor is arranged on the inner wall of the locking frame, a threaded disc is arranged on an output shaft of the locking motor, the lower end of each threaded disc is connected with a bottom locking block in a threaded engagement mode, and the bottom locking block abuts against the locking mechanism;
the supporting mechanism comprises a supporting vertical frame arranged on the vibration frame, a telescopic groove is formed in one end of the inner side of the supporting vertical frame, a spring telescopic frame is arranged in the telescopic groove, balls are uniformly arranged on the upper end face of the spring telescopic frame, a lifting spring rod is arranged on the supporting vertical frame, a sliding block is arranged on the lifting spring rod, a sliding groove is formed in the sliding block, a supporting sliding rod is movably arranged in the sliding groove, and the supporting sliding rod is fixed on the locking frame;
the sand box comprises an outer shell and an inner shell, the inner shell is installed on the outer shell, a sealed cavity is connected between the corresponding side walls of the inner shell and the outer shell, auxiliary holes are uniformly formed in the sealed cavity, auxiliary branched chains are arranged in the auxiliary holes, a partition plate is installed on the inner wall of the sealed cavity, vent holes are formed in the partition plate, a pushing hole is formed in the inner side of the lower end of the sealed cavity, a pushing piston is arranged in the pushing hole, a pushing piston rod is of a structure which inclines downwards from inside to outside, an auxiliary cylinder is installed on the inner wall of the lower end of the outer shell, an auxiliary push plate is arranged on the.
The lower extreme inner wall of vibrations frame is provided with the bellied bottom lug that makes progress on, and crisscross lateral wall lug that is provided with on the inner wall at both ends around the vibrations frame.
The driving rod is provided with a cross rod, one end of the cross rod is abutted against the side wall bump, and the other end of the cross rod is abutted against the inner wall of the vibration frame.
Locking mechanism includes the locking cardboard of connecting on locking frame inner wall through locking spring lever, is provided with the fixture block on the locking cardboard, and the side wall of locking cardboard is supported to have by the locking rotor plate, and the locking rotor plate is provided with the spring through round pin hub connection on the inner wall of locking frame between locking rotor plate and the locking frame.
The bottom locking block comprises a U-shaped frame connected to the threaded disc in a threaded transmission mode, the U-shaped frame is arranged on the inner wall of the locking frame in a sliding mode, the side wall of the U-shaped frame is abutted against the locking rotating plate, the extrusion block is arranged on the U-shaped frame, a bottom locking hole is formed in the locking frame, a bottom locking rod is arranged in the bottom locking hole through a spring, and the lower end of the bottom locking rod is abutted against the extrusion block.
The auxiliary branch chain comprises an auxiliary pipe arranged in the auxiliary hole, an auxiliary piston frame is arranged in the auxiliary pipe, an auxiliary telescopic frame is arranged on the inner wall of the auxiliary piston frame, a buffer groove is uniformly formed in the auxiliary telescopic frame, and a buffer rubber column is arranged in the buffer groove through a spring.
The side wall around the shell is provided with a clamping groove matched with the convex block for clamping, and the lower end face of the shell is provided with a locking hole matched with the bottom locking rod for locking.
The invention has the beneficial effects that:
1. the invention can solve the following problems existing in the process of adopting the lost foam casting process of the existing aluminum product casting, a, after the sand box is placed on the vibration table, the sand box needs to be fixed by means of a tool, the volume and the weight of the sand box are larger, and the situation that the sand box slides easily and even turns over the box possibly occurs in the vibration operation; b, simply placing the mold into the sand box by using a traditional sand box, wherein the mold can deviate along with the vibration amplitude of the sand box when vibrating, and the mold with a complex structure can deform under the condition that the mold cannot be fixed, so that a casting cannot be used.
2. The supporting and locking device designed by the invention adopts a locking and inserting mode to connect the sand box and the locking frame into a whole, and the supporting mechanism can play a role in stably guiding and limiting the locking frame when the locking frame vibrates while supporting and positioning the locking frame, thereby ensuring the stability of the sand box in the vibration operation.
3. The invention further improves the sand box, and can position the mould while placing the mould, the invention adopts the pneumatic transmission mode to control the buffer rubber column to carry out multi-point contact support on the mould, thereby improving the positioning effect of the mould in the sand box, and the pneumatic transmission control mode can reduce the self weight of the sand box after being improved to the maximum extent.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of the operation of the present invention;
FIG. 2 is a schematic structural view of the casting apparatus of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2 of the present invention;
FIG. 4 is a schematic view of the structure between the shock frame and the support locking device of the present invention;
FIG. 5 is a cross-sectional view of a sand box of the present invention;
FIG. 6 is an enlarged view of the invention taken from the direction I of FIG. 5;
fig. 7 is a schematic structural view between the driving rod and the vibration frame according to the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 7, an aluminum working lost foam casting process mainly comprises the following casting steps:
step one, smelting materials, namely putting the raw materials to be cast into a smelting furnace, rapidly heating the raw materials to 600-700 ℃, and adding a powdery smelting agent into the solution after the raw materials in the smelting furnace are completely liquefied to obtain a casting solution;
and step two, manufacturing a gasification mold, namely, carrying out pre-foaming curing molding on the raw materials for manufacturing the gasification mold, removing burrs on the surface of the molded gasification mold, uniformly coating fire-resistant paint on the surface of the gasification mold, placing the gasification mold into a drying box, baking for 10-15min at the temperature of 50-60 ℃, naturally cooling to the normal temperature state, and taking out the gasification mold.
Thirdly, fixing a sand box, namely placing the sand box 4 on casting equipment, fixing the sand box through a support locking device 3, paving prepared bottom sand into the sand box, wherein the paving thickness of the bottom sand is 5-7cm, and vibrating and compacting the bottom sand through a vibrating device 2;
placing the mold, namely placing the gasification mold prepared in the step two into the sand box 4, pouring dry sand into the gasification mold through the periphery of the opening of the sand box 4, preventing the dry sand from directly hitting the gasification mold, filling the sand box 4 with the dry sand, controlling the sand box 4 to vibrate by the vibration device 2 to increase the density between the dry sand, and scraping the dry sand at the port position of the sand box 4.
And step five, casting, namely covering the opening 4 of the sand box with a plastic film, putting a pouring cup, connecting a negative pressure system, controlling the casting solution prepared in the step one to cast after compaction, and replacing the position with molten metal when the gasification mould disappears to finish casting of the casting.
And sixthly, taking out the casting from the sand box 4 after the casting is cooled to the normal temperature state, and carrying out fine processing treatment on the casting after removing impurities on the surface of the sand box 4.
The casting equipment used in the steps comprises a vibration base frame 1, wherein a movable groove is formed in the upper end of the vibration base frame 1, a vibration device 2 is arranged in the vibration base frame 1, a support locking device 3 is arranged on the vibration base frame 1, a sand box 4 is detachably placed on the support locking device 3, a driving rod 5 is installed at the lower end of the support locking device 3, and the lower end of the driving rod 5 penetrates through the movable groove and abuts against the vibration device 2;
the vibration device 2 comprises a driving cylinder 21 arranged on the inner wall of the vibration pedestal 1, the top end of the driving cylinder 21 is provided with a vibration frame 22 through a flange, the vibration frame 22 is connected to the inner wall of the vibration pedestal 1 in a sliding fit mode, and the driving rod 5 abuts against the inner wall of the vibration pedestal 1;
upward convex bottom lugs are arranged on the inner wall of the lower end of the vibration frame 22, and side wall lugs are arranged on the inner walls of the front end and the rear end of the vibration frame 22 in a staggered mode.
A cross bar is arranged on the driving rod 5, one end of the cross bar is abutted against the side wall bump, and the other end of the cross bar is abutted against the inner wall of the vibration frame 22.
In operation, the driving cylinder 21 controls the vibrating frame 22 to move left and right, the matching between the bottom lug on the vibrating frame 22 and the driving rod 5 can control the sand box 4 to move up and down, the side wall lug on the vibrating frame 22 can control the sand box 4 to move back and forth synchronously, and the sand box 4 can be driven to vibrate up and down, left and right, and back and forth by the operation of the driving cylinder 21.
The supporting and locking device 3 comprises supporting mechanisms 31 which are uniformly arranged on the vibration base frame 1, a locking frame 32 is arranged on the supporting mechanisms 31, locking grooves are uniformly formed in the inner wall of the locking frame 32, locking mechanisms 33 are arranged in the locking grooves, a locking motor 34 is arranged on the inner wall of the locking frame 32, a threaded disc 35 is arranged on an output shaft of the locking motor 34, the lower end of the threaded disc 35 is connected with a bottom locking block 36 in a threaded engagement mode, and the bottom locking block 36 abuts against the locking mechanisms 33;
the supporting mechanism 31 includes a supporting vertical frame 311 installed on the vibration frame 22, a telescopic groove is formed in one end of the inner side of the supporting vertical frame 311, a spring telescopic frame 312 is arranged in the telescopic groove, balls are evenly arranged on the upper end face of the spring telescopic frame 312, a lifting spring rod 313 is installed on the supporting vertical frame 311, a sliding block 314 is installed on the lifting spring rod 313, a sliding groove is formed in the sliding block 314, a supporting sliding rod 315 is movably arranged in the sliding groove, and the supporting sliding rod 315 is fixed on the locking frame 32.
The bottom locking block 36 comprises a U-shaped frame 361 connected to the threaded disc 35 in a threaded transmission mode, the U-shaped frame 361 is arranged on the inner wall of the locking frame 32 in a sliding mode, the side wall of the U-shaped frame 361 abuts against the locking rotating plate 332, an extrusion block 362 is arranged on the U-shaped frame 361, a bottom locking hole is formed in the locking frame 32, a bottom locking rod 363 is arranged in the bottom locking hole through a spring, and the lower end of the bottom locking rod 363 abuts against the extrusion block 362.
After the sand box 4 is placed in the locking frame 32 and the position of the sand box 4 is adjusted, the locking motor 34 controls the threaded disc 35 to rotate, the threaded disc 35 controls the U-shaped frame 361 to diffuse outwards on the locking frame 32 in a threaded engagement mode, the U-shaped frame 361 squeezes the locking rotating plate 332 in the movement process, the locking rotating plate 332 rotates after being squeezed, the clamping blocks on the locking clamping plates 331 are controlled to be inserted into the clamping grooves, and the bottom locking rod 363 is controlled to be inserted into the locking holes by the squeezing block 362 while the U-shaped frame 361 moves, so that the sand box 4 is locked at a fixed point and fixed in multiple ways.
When the locking frame 32 vibrates in the vertical direction, the lifting spring rods 313 support the sliding rods 315 to slide in the sliding grooves in the front-back direction and the left-right direction while the locking frame 32 vibrates in the vertical direction, the spring expansion bracket 312 and the balls can assist the locking frame 32 to horizontally slide and reduce the pressure of the locking frame 32 in vertical vibration, and meanwhile, the locking frame 32 is limited, so that the stability of the sand box 4 in vibration operation is ensured.
The sand box 4 is composed of an outer shell 41 and an inner shell 42, the inner shell 42 is installed on the outer shell 41, a sealed cavity is formed by connecting the inner shell 42 and the corresponding side wall of the outer shell 41, auxiliary holes are uniformly formed in the sealed cavity, auxiliary branched chains 43 are arranged in the auxiliary holes, partition plates 44 are installed on the inner wall of the sealed cavity, vent holes are formed in the partition plates 44, pushing holes are formed in the inner side of the lower end of the sealed cavity, pushing pistons 45 are arranged in the pushing holes, pushing piston rods 45 are of a downward inclined structure from inside to outside, auxiliary cylinders 46 are installed on the inner wall of the lower end of the outer shell 41, auxiliary push plates 47 are arranged on the auxiliary cylinders 46, and the.
The auxiliary branch chain 43 comprises an auxiliary pipe 431 arranged in an auxiliary hole, an auxiliary piston frame 432 is arranged in the auxiliary pipe 431, an auxiliary telescopic frame 433 is arranged on the inner wall of the auxiliary piston frame 432, a buffer groove is uniformly formed in the auxiliary telescopic frame 433, and a buffer rubber column 434 is arranged in the buffer groove through a spring.
The side wall around the shell 41 is provided with a clamping groove for clamping the matched convex block, and the lower end face of the shell 41 is provided with a locking hole for locking the matched bottom locking rod 363.
After the position is adjusted to control the mould and put into sand box 4 inside, supplementary cylinder 46 extrudees the inside gas of seal chamber through supplementary push pedal 47, receive that the extrusion back is gaseous to drive supplementary piston rack 432 through auxiliary tube 431 and to feeding to sand box 4 is inside simultaneously, after cushion rubber post 434 contacts the mould, supplementary expansion bracket 433 receives to carry out the one-level shrink to going back when extruded dynamics is greater than its self elasticity, and cushion rubber post 434 receives can carry out the second grade shrink after the extrusion, guarantee that cushion rubber post 434 that sand box 4 set up all can support and fix a position it on the mould, can be applicable to different moulds.
When the mould is in operation, the sand box 4 is fixed on the supporting and locking device 3, and after the mould is placed in the sand box 4 for positioning, the vibration device 2 controls the sand box 4 to perform vibration operation.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The lost foam casting process for aluminum processing is characterized by comprising the following steps of: the method mainly comprises the following casting steps:
step one, smelting materials, namely putting the raw materials to be cast into a smelting furnace, rapidly heating the raw materials to 600-700 ℃, and adding a powdery smelting agent into the solution after the raw materials in the smelting furnace are completely liquefied to obtain a casting solution;
step two, manufacturing a gasification mold, namely, carrying out pre-foaming curing molding on the raw materials for manufacturing the gasification mold, removing burrs on the surface of the molded gasification mold, uniformly coating fire-resistant paint on the surface of the gasification mold, placing the gasification mold into a drying oven, baking for 10-15min at the temperature of 50-60 ℃, naturally cooling to the normal temperature state, and taking out the gasification mold;
thirdly, fixing a sand box, namely placing the sand box (4) on casting equipment, fixing the sand box through a support locking device (3), paving prepared bottom sand into the sand box, wherein the paving thickness of the bottom sand is 5-7cm, and vibrating and compacting the bottom sand through a vibrating device (2);
placing a mold, namely placing the gasification mold prepared in the step two into a sand box (4), pouring dry sand into the gasification mold through the periphery of an opening of the sand box (4), preventing the dry sand from directly hitting the gasification mold, filling the sand box (4) with the dry sand, controlling the sand box (4) to vibrate by a vibration device (2) to increase the density between the dry sand, and scraping the dry sand at the port position of the sand box (4);
step five, casting, namely covering the opening of the sand box (4) with a plastic film, putting a pouring cup, connecting a negative pressure system, controlling the casting solution prepared in the step one to cast after compaction, and replacing the position with molten metal when the gasified mould disappears to finish casting of the casting;
taking out the casting, taking out the casting from the sand box (4) after the casting is cooled to a normal temperature state, and carrying out fine processing treatment on the casting after removing impurities on the surface of the sand box (4);
the casting equipment used in the steps comprises a vibration base frame (1), a movable groove is formed in the upper end of the vibration base frame (1), a vibration device (2) is arranged in the vibration base frame (1), a support locking device (3) is arranged on the vibration base frame (1), a sand box (4) is placed on the support locking device (3) in a detachable mode, a driving rod (5) is installed at the lower end of the support locking device (3), and the lower end of the driving rod (5) penetrates through the movable groove to abut against the vibration device (2);
the vibration device (2) comprises a driving cylinder (21) arranged on the inner wall of the vibration base frame (1), the top end of the driving cylinder (21) is provided with a vibration frame (22) through a flange, the vibration frame (22) is connected to the inner wall of the vibration base frame (1) in a sliding fit mode, and the driving rod (5) abuts against the inner wall of the vibration base frame (1);
the supporting and locking device (3) comprises supporting mechanisms (31) which are uniformly arranged on the vibration base frame (1), a locking frame (32) is arranged on the supporting mechanisms (31), locking grooves are uniformly formed in the inner wall of the locking frame (32), locking mechanisms (33) are arranged in the locking grooves, a locking motor (34) is mounted on the inner wall of the locking frame (32), a threaded disc (35) is mounted on an output shaft of the locking motor (34), the lower end of the threaded disc (35) is connected with a bottom locking block (36) in a threaded engagement mode, and the bottom locking block (36) abuts against the locking mechanisms (33);
the supporting mechanism (31) comprises a supporting vertical frame (311) arranged on the vibration frame (22), one end of the inner side of the supporting vertical frame (311) is provided with a telescopic groove, a spring telescopic frame (312) is arranged in the telescopic groove, balls are uniformly arranged on the upper end surface of the spring telescopic frame (312), a lifting spring rod (313) is arranged on the supporting vertical frame (311), a sliding block (314) is arranged on the lifting spring rod (313), a sliding groove is arranged on the sliding block (314), a supporting sliding rod (315) is movably arranged in the sliding groove, and the supporting sliding rod (315) is fixed on the locking frame (32);
the sand box (4) is composed of an outer shell (41) and an inner shell (42), the inner shell (42) is installed on the outer shell (41), the inner shell (42) is connected with the corresponding side wall of the outer shell (41) to form a sealed cavity, auxiliary holes are uniformly formed in the sealed cavity, auxiliary branched chains (43) are arranged in the auxiliary holes, a partition plate (44) is installed on the inner wall of the sealed cavity, vent holes are formed in the partition plate (44), a pushing hole is formed in the inner side of the lower end of the sealed cavity, a pushing piston (45) is arranged in the pushing hole, the pushing piston rod (45) is of a structure which inclines downwards from inside to outside, an auxiliary cylinder (46) is installed on the inner wall of the lower end of the outer shell (41), an auxiliary push plate (47) is arranged on the auxiliary cylinder (46), and the.
2. The aluminum processing lost foam casting process of claim 1, wherein: the lower extreme inner wall of vibrations frame (22) is provided with the bellied bottom lug that makes progress, and crisscross lateral wall lug that is provided with on the inner wall at both ends around vibrations frame (22).
3. The aluminum processing lost foam casting process of claim 1, wherein: and a cross bar is arranged on the driving rod (5), one end of the cross bar is abutted against the side wall bump, and the other end of the cross bar is abutted against the inner wall of the vibration frame (22).
4. The aluminum processing lost foam casting process of claim 1, wherein: locking mechanism (33) include through locking spring rod connection locking cardboard (331) on locking frame (32) inner wall, are provided with the fixture block on locking cardboard (331), support on the lateral wall of locking cardboard (331) and have by locking rotating plate (332), lock rotating plate (332) through round pin hub connection on the inner wall of locking frame (32), are provided with the spring between locking rotating plate (332) and locking frame (32).
5. The aluminum processing lost foam casting process of claim 1, wherein: bottom latch segment (36) include U type frame (361) of connecting on threaded disc (35) through screw thread transmission mode, U type frame (361) slide to set up on the inner wall of locking frame (32), the lateral wall of U type frame (361) is supported and is leaned on locking rotor plate (332), be provided with extrusion piece (362) on U type frame (361), be provided with bottom locking hole on locking frame (32), be provided with bottom check lock pole (363) through the spring in the bottom locking hole, the lower extreme of bottom check lock pole (363) is supported and is leaned on extrusion piece (362).
6. The aluminum processing lost foam casting process of claim 1, wherein: the auxiliary branch chain (43) comprises an auxiliary pipe (431) arranged in an auxiliary hole, an auxiliary piston frame (432) is arranged in the auxiliary pipe (431), an auxiliary telescopic frame (433) is arranged on the inner wall of the auxiliary piston frame (432), buffer grooves are uniformly formed in the auxiliary telescopic frame (433), and buffer rubber columns (434) are arranged in the buffer grooves through springs.
7. The aluminum processing lost foam casting process of claim 1, wherein: the side wall around the shell (41) is provided with a clamping groove matched with the convex block for clamping, and the lower end face of the shell (41) is provided with a locking hole matched with the bottom locking rod (363) for locking.
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| CN201910898236.4A CN110479960B (en) | 2019-09-23 | 2019-09-23 | Lost foam casting process for aluminum processing |
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| CN113102696A (en) * | 2021-03-26 | 2021-07-13 | 南京沁轩锦商贸有限公司 | Sand box fixing device for quantitatively injecting liquefied metal |
| CN114054687B (en) * | 2021-11-15 | 2023-08-08 | 重庆市极鼎机械制造股份有限公司 | Casting mold device with auxiliary function |
| CN114682734B (en) * | 2022-03-18 | 2023-03-24 | 江西亿丰精密铸造有限公司 | Be used for as cast equipment of disappearance mould |
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