CN114029452A - Duplex lost foam aluminum casting equipment - Google Patents
Duplex lost foam aluminum casting equipment Download PDFInfo
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- CN114029452A CN114029452A CN202111273610.5A CN202111273610A CN114029452A CN 114029452 A CN114029452 A CN 114029452A CN 202111273610 A CN202111273610 A CN 202111273610A CN 114029452 A CN114029452 A CN 114029452A
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- fixedly connected
- sand box
- box
- groove
- casting
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- 238000005266 casting Methods 0.000 title claims abstract description 79
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 18
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 239000006260 foam Substances 0.000 title claims description 13
- 244000035744 Hura crepitans Species 0.000 claims abstract description 79
- 238000007789 sealing Methods 0.000 claims abstract description 72
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 9
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims 1
- 238000004512 die casting Methods 0.000 claims 1
- 230000008034 disappearance Effects 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 52
- 239000006004 Quartz sand Substances 0.000 abstract description 40
- 230000000694 effects Effects 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 8
- 230000007547 defect Effects 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 abstract description 4
- 238000010114 lost-foam casting Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000006229 carbon black Substances 0.000 abstract description 3
- 239000004576 sand Substances 0.000 description 12
- 230000009471 action Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 238000005086 pumping Methods 0.000 description 6
- 239000012535 impurity Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000005030 aluminium foil Substances 0.000 description 2
- 238000010113 evaporative-pattern casting Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 235000002245 Penicillium camembertii Nutrition 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
- B22C15/02—Compacting by pressing devices only
- B22C15/08—Compacting by pressing devices only involving pneumatic or hydraulic mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C21/00—Flasks; Accessories therefor
- B22C21/01—Flasks; Accessories therefor for vacuum-sealed moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C21/00—Flasks; Accessories therefor
- B22C21/12—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
- B22D29/02—Vibratory apparatus specially designed for shaking out flasks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Devices For Molds (AREA)
Abstract
The invention relates to the technical field of lost foam casting, in particular to a duplex lost foam casting aluminum device, which comprises a base, wherein a supporting plate is fixedly connected to the position, close to the left end, of the outer surface of the upper end of the base, a supporting table is fixedly connected to the position, close to the upper end, of the outer surface of the right end of the supporting plate, a driving mechanism is fixedly connected to the outer surface of the lower end of the supporting table, and the driving mechanism is used for not only compacting and flattening quartz sand so that the quartz sand is in closer contact with a casting model and improving the quality of a casting finished product, but also providing a better sealing effect for a sand box, ensuring that the interior of the sand box can have a good vacuum effect when being matched with a vacuum tube, improving the mold filling capacity, being beneficial to reducing the carbon black defects on the surface of the casting, automatically pouring out the quartz sand and the casting in the sand box and greatly improving the working efficiency, the multifunctional pouring and pouring device has the advantages that multiple functions of pouring, filtering and collecting can be achieved, a large amount of manpower and material resources are saved, the structure is simple, and the practicability is high.
Description
Technical Field
The invention relates to the technical field of lost foam casting, in particular to duplex lost foam aluminum casting equipment.
Background
Lost foam casting (also called solid mold casting) is a novel casting method which combines paraffin or foam models with similar size and shape to a casting into a model cluster by bonding, coats refractory paint and dries, then buries the model cluster in dry quartz sand for vibration molding, pours the model under negative pressure to gasify the model, liquid metal occupies the model position, and the model is formed after solidification and cooling. The roughness of the surface of the casting can reach Ra3.2-12.5 mu m; the size precision of the casting can reach CT 7-9; the machining allowance is 1.5 to 2mm at most, the machining cost can be greatly reduced, compared with the traditional sand casting method, the machining time can be reduced by 40 to 50 percent, and the method is widely applied to industrial production;
however, after the central evaporative pattern casting aluminum equipment in the prior art is generally subjected to injection molding, the whole sand box needs to be moved to another area to pour out the quartz sand and the casting together, in the pouring-out process, a large amount of dust is generated, the respiratory tract health of workers is affected, the casting is inconvenient to take, the quartz sand with impurities needs to be treated by other procedures for secondary use, the manpower and material resources required to be consumed in the whole process are very large, and before the traditional evaporative pattern casting aluminum equipment is used for casting, the top of the sand box needs to be sealed by a plastic bag, and gas generated in the sand box is pumped out in time by an air pumping system, so that the phenomenon that the air hole defect is formed in the casting is reduced, but a large amount of plastic bags made of thin films need to be consumed in each processing, and the plastic bags are easily burnt by splashing of sparks and molten liquid generated in the casting process, the sealer is damaged, so that the work of an air exhaust system is influenced, the interior of the sand box cannot form a complete vacuum state, the quality of castings is influenced, and the whole structure needs to be improved.
Therefore, a duplex lost foam aluminum casting device is provided.
Disclosure of Invention
The invention aims to provide a duplex lost foam aluminum casting device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides a duplex lost foam aluminum casting device, which comprises a base, wherein a supporting plate is fixedly connected to the position, close to the left end, of the outer surface of the upper end of the base, a supporting table is fixedly connected to the position, close to the upper end, of the outer surface of the right end of the supporting plate, a driving mechanism is fixedly connected to the outer surface of the lower end of the supporting table, a sealing assembly is arranged between the driving mechanism and the supporting table, a sand box is fixedly connected to the position, close to the lower end, of the outer surface of the right end of the supporting plate, a movable door is arranged on the outer surface of the right end of the sand box, the rear end of the movable door is rotatably connected with the sand box through a spring hinge, locking grooves are symmetrically formed in the upper part and the lower part of the outer surface of the front end of the sand box, an unlocking assembly is fixedly connected to the position, corresponding to the movable door, and a vibration motor is fixedly connected to the outer surface of the lower end of the sand box, the sand box comprises a sand box, a base, a vacuumizing pipe, a filter screen, a placing table, a collecting box and rollers, wherein the vacuumizing pipe is fixedly connected to the outer surface of the front end of the sand box, the filter screen is fixedly connected to the bottom end of the outer surface of the right end of the sand box, the front end and the rear end of the filter screen are fixedly connected to the inner surface of the base, the placing table is fixedly connected to the outer surface of the right end of the filter screen, the collecting box is arranged in the base and corresponds to the filter screen, and the rollers are fixedly connected to four corners of the outer surface of the bottom end of the collecting box;
the driving mechanism comprises hydraulic push rods, a push plate, a first through hole and a scraper, wherein the hydraulic push rods are fixedly connected to the outer surface of the lower end of the supporting table, the number of the hydraulic push rods is two, the hydraulic push rods are distributed in a bilateral symmetry mode by taking the center of the supporting table as a midpoint, the push plate is fixedly connected to the outer surface of the lower end of each hydraulic push rod, the first through hole is formed in the center position of the outer surface of the upper end of the push plate, and the scraper is fixedly connected to the outer surface of the periphery of the push plate.
Preferably, the push plate and the sand box are both designed into a square structure, the positions of the push plate and the position of the sand box correspond to each other, and the bottom plate of the sand box and the filter screen are both designed into an inclined structure.
Preferably, the sealing assembly comprises a compression spring, a sealing plate, a second through hole, a sealing bag and a first rack, the compression spring is sleeved at the position, close to the lower end, of the annular outer surface of the hydraulic push rod, the sealing plate is fixedly connected with the lower end of the compression spring, the sealing plate is located above the push plate, the hydraulic push rod penetrates through the sealing plate, the second through hole is formed in the position, corresponding to the first through hole, of the outer surface of the upper end of the sealing plate, the sealing bag is fixedly connected with the position, close to the second through hole, of the outer surface of the upper end of the sealing plate, and the first rack is fixedly connected with the outer surface of the lower end of the sealing plate and the position, corresponding to the unlocking assembly.
Preferably, the closing plate is square structural design, and its area is greater than the cross-sectional area of sand box, and the lower extreme surface of closing plate and the position fixedly connected with high temperature resistant sealing rubber circle that sand box case mouth department corresponds, the inside spring clamp that is provided with of sealing bag sack, and the sealing bag constitutes for high temperature resistant aluminium foil material.
Preferably, the unlocking assembly comprises a fixed box, a movable groove, a first elastic spring, a lock cylinder, a first limiting groove, a sliding groove, a second elastic spring, a limiting block, a second limiting groove, a second rack, a through groove, a support frame, a rotating shaft and a gear, wherein the movable groove is symmetrically formed in the upper part and the lower part of the outer surface of the rear end of the fixed box, the first elastic spring is fixedly connected to the front end of the inner surface of the movable groove, the lock cylinder is fixedly connected to the rear end of the first elastic spring, the lock cylinder extends into the lock groove, the first limiting groove is formed in the outer surface of the upper end of the lock cylinder, the sliding groove is formed in the fixed box, the second elastic spring is fixedly connected to the bottom end of the inner surface of the sliding groove, the limiting block is fixedly connected to the top end of the second elastic spring, the limiting block penetrates through the first limiting groove, the second limiting groove is formed in the position, corresponding to the first limiting groove, and the two are matched with each other, the top end of the limiting block is fixedly connected with a second rack, a through groove is formed in the position, corresponding to the second rack, of the outer surface of the front end of the fixed box, a supporting frame is fixedly connected to the position, close to the through groove, of the outer surface of the front end of the fixed box, a rotating shaft is rotatably connected inside the supporting frame through a bearing, a gear is fixedly connected to the annular outer surface of the rotating shaft, and the gear extends into the through groove and is meshed with the second rack.
Preferably, the second rack is a one-way rack, the first limiting groove is designed to be of a right-angled trapezoid structure and matched with the limiting block, the number of the lock cylinders is two, and the rear end face of the lock cylinders is designed to be of a triangular structure.
Compared with the prior art, the invention has the beneficial effects that:
1. by adding the driving mechanism in the device, the pushing plate can be driven to compact and flatten the quartz sand, so that the quartz sand is in closer contact with the casting model, the occurrence of a box collapse phenomenon in the casting process is reduced, the quality of the finished casting product is improved, the quartz sand attached to the inner wall of the sand box can be scraped downwards through the scraper, the inner wall of the sand box is cleaned, the influence of the residual impurities on the inner surface of the sand box after casting on the subsequent casting production is prevented, and the quality of the casting production is ensured;
2. by adding the sealing assembly into the device, the sealing effect on the sand box is greatly improved, the air among sand grains in a specially-made special sand box is pumped away by matching with air pumping of the vacuum pumping pipe in the casting process, so that the sand grains in the sealed sand box are formed, the sand moulds have certain compactness, the interior of the sand moulds is in a vacuum negative pressure state, casting is carried out on the casting mould, the exhaust speed and the exhaust amount are accelerated, the air pressure of the interface between molten metal and a mould sample is reduced, the advancing speed of the front edge of a stream is accelerated, the mould filling capacity is improved, and the defect of carbon black on the surface of the casting is favorably reduced;
3. through adding the lock assembly in the device, can realize automatic opening the floating gate after the casting is accomplished, and then can discharge the quartz sand in the sand box and foundry goods are automatic, reduced staff's working strength greatly, and can prevent that manual operation from being scalded by high temperature box to production efficiency has been improved greatly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is an overall structural view of the present invention;
FIG. 2 is an elevational, sectional view of the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
FIG. 4 is an enlarged view at B of FIG. 2 of the present invention;
FIG. 5 is a cross-sectional view taken along line C-C of FIG. 2 in accordance with the present invention;
FIG. 6 is an enlarged view at D of FIG. 5 of the present invention;
fig. 7 is a cross-sectional view E-E of fig. 5 of the present invention.
Description of reference numerals:
1. a base; 2. a support plate; 3. a support table; 4. a drive mechanism; 41. a hydraulic push rod; 42. pushing the plate; 43. a first through hole; 44. a squeegee; 5. a seal assembly; 51. a compression spring; 52. a sealing plate; 53. a second through hole; 54. sealing the bag; 55. a first rack; 6. a sand box; 7. a movable door; 8. locking the groove; 9. an unlocking assembly; 91. a fixed box; 92. a movable groove; 93. a first elastic spring; 94. a lock cylinder; 95. a first limiting groove; 96. a sliding groove; 97. a second elastic spring; 98. a limiting block; 99. a second limiting groove; 910. a second rack; 911. a through groove; 912. a support frame; 913. a rotating shaft; 914. a gear; 10. a vibration motor; 11. vacuumizing a tube; 12. a filter screen; 13. a placing table; 14. and a collection box.
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 of the 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 to 7, the present invention provides a technical solution:
a duplex lost foam aluminum casting device comprises a base 1, wherein a supporting plate 2 is fixedly connected to the position, close to the left end, of the outer surface of the upper end of the base 1, a supporting table 3 is fixedly connected to the position, close to the upper end, of the outer surface of the right end of the supporting plate 2, a driving mechanism 4 is fixedly connected to the outer surface of the lower end of the supporting table 3, a sealing assembly 5 is arranged between the driving mechanism 4 and the supporting table 3, a sand box 6 is fixedly connected to the position, close to the lower end, of the outer surface of the right end of the supporting plate 2, a movable door 7 is arranged on the outer surface of the right end of the sand box 6, the rear end of the movable door 7 is rotatably connected with the sand box 6 through a spring hinge, locking grooves 8 are symmetrically formed in the upper and lower parts of the outer surface of the front end of the movable door 7, an unlocking assembly 9 is fixedly connected to the position, corresponding to the movable door 7, of the outer surface of the front end of the sand box 6 is fixedly connected with a vibration motor 10, the outer surface of the front end of the sand box 6 is fixedly connected with a vacuumizing tube 11, the bottom end of the outer surface of the right end of the sand box 6 is fixedly connected with a filter screen 12, the front end and the rear end of the filter screen 12 are fixedly connected with the inner surface of the base 1, the outer surface of the right end of the filter screen 12 is fixedly connected with a placing table 13, a collecting box 14 is arranged in the base 1 at a position corresponding to the filter screen 12, and four corners of the outer surface of the bottom end of the collecting box 14 are fixedly connected with rollers;
actuating mechanism 4 includes hydraulic push rod 41, push pedal 42, a through-hole 43, scraper blade 44, the lower extreme outer fixed surface of brace table 3 is connected with hydraulic push rod 41, hydraulic push rod 41's quantity is two sets of, and is two sets of hydraulic push rod 41 uses the center of brace table 3 to distribute as mid point bilateral symmetry, hydraulic push rod 41's lower extreme outer fixed surface is connected with push pedal 42, through-hole 43 has been seted up to push pedal 42's upper end surface central point, push pedal 42's the equal fixedly connected with scraper blade 44 of surface all around.
By adopting the technical scheme, when the casting machine works, the vibration motor 10 is turned on, after a casting mould is buried in quartz sand, the hydraulic push rod 41 is controlled to move downwards to drive the push plate 42 to move downwards, the casting opening penetrates through the inside of the first through hole 43, the push plate 42 continues to move downwards and continues to slightly press downwards after contacting with the quartz sand, the quartz sand is flattened, so that the gap between the quartz sand in the sand box 6 is greatly reduced, the quartz sand is more closely contacted with a casting model, the collapse phenomenon is ensured not to easily occur in the casting process, the surface forming of a casting finished product is greatly improved, the sand box 6 can be always in a good sealing state in the casting process through the sealing component 5, the vacuum degree in the sand box 6 is ensured under the condition of matching with the vacuumizing pipe 11 in the casting process, the quality of the casting finished product is greatly improved, and a large amount of film plastic bags are not wasted, and the sealing effect is better, the practicability is stronger, under the use of the unlocking component 9, the movable door 7 can be automatically opened in the process that the hydraulic push rod 41 moves upwards, so that the quartz sand can automatically fall above the filter screen 12, the casting can fall above the placing table 13 due to larger inertia to wait for cooling, under the action of the vibration motor 10, the quartz sand can fall off from the inner wall of the sand box 6, the filter screen 12 can be used for vibrating and filtering the quartz sand, the filtered quartz sand can fall into the collecting box 14, the secondary utilization of the quartz sand is facilitated, the scraper plates 44 fixedly connected to the periphery of the push plate 42 can be driven to scrape the quartz sand attached to the inner wall of the sand box 6 downwards by controlling the hydraulic push rod 41 to move downwards, the inner wall of the quartz sand is cleaned, and the residual cast impurities are prevented from remaining on the inner surface of the quartz sand to influence on the subsequent production, the device can realize casting, pour, filter and collect multinomial function, has saved a large amount of manpower and materials, simple structure, and the practicality is strong.
As an embodiment of the present invention, as shown in fig. 1 and 2, the push plate 42 and the sand box 6 are designed in a square structure, and the positions of the push plate and the sand box 6 correspond to each other, and the bottom plate of the sand box 6 and the filter screen 12 are designed in an inclined structure.
Through adopting the above technical scheme, the in-process that the push pedal 42 pushed down has been guaranteed, can match each other with the sand box 6, with the even compaction of paving of the inside quartz sand of sand box 6, it can be inseparabler with the casting die contact to have guaranteed the finished product quality of foundry goods, and sand box 6 and filter screen 12 are the slope structural design, be favorable to quartz sand and foundry goods to drop from sand box 6, foundry goods and quartz sand exhaust efficiency has been improved greatly, and then work efficiency is improved, high production efficiency.
As an embodiment of the present invention, as shown in fig. 4, the sealing assembly 5 includes a compression spring 51, a sealing plate 52, a second through hole 53, a sealing bag 54, and a first rack 55, the compression spring 51 is sleeved on a position of the annular outer surface of the hydraulic push rod 41 near the lower end, the lower end of the compression spring 51 is fixedly connected with the sealing plate 52, the sealing plate 52 is located above the push plate 42, the hydraulic push rod 41 penetrates through the sealing plate 52, the second through hole 53 is opened on a position of the outer surface of the upper end of the sealing plate 52 corresponding to the first through hole 43, the sealing bag 54 is fixedly connected on a position of the outer surface of the upper end of the sealing plate 52 near the second through hole 53, and the first rack 55 is fixedly connected on a position of the outer surface of the lower end of the sealing plate 52 corresponding to the unlocking assembly 9.
By adopting the technical scheme, when the hydraulic push rod 41 drives the push plate 42 to move downwards, the sealing plate 52 moves downwards under the action of the compression spring 51 until the sealing plate is contacted with the opening of the sand box 6, the casting pipe extends out through the second through hole 53 and is sleeved with the casting pipe by the sealing bag 54, the sealing effect on the sand box 6 is greatly improved, the air among sand grains in the special sand box 6 is pumped out by matching with the air pumping of the vacuum pumping pipe 11 in the casting process, the sand grains in the sealed sand box 6 are formed, the sand grains have certain compactness, the inside of the sand grains is in a vacuum negative pressure state, a casting mold is cast, the exhaust speed and the exhaust amount are accelerated, the air pressure of the interface of molten metal and a mold sample is reduced, the advancing speed of the front edge of a stream is accelerated, the mold filling capacity is improved, the defects on the surface of the casting are favorably reduced, the combustion of a white mold material is inhibited, the gasification is promoted, the environment is improved, the fluidity and the formability of the flow are increased, the outline of the casting is clearer and clearer, the first rack 55 is matched with the unlocking assembly 9 to work, the effect of automatically opening the movable door 7 can be achieved, quartz sand and the casting are automatically discharged, and the production efficiency of the casting is greatly improved.
As an embodiment of the present invention, as shown in fig. 2 and 4, the sealing plate 52 has a square structure, the area of the sealing plate 52 is larger than the cross-sectional area of the sand box 6, a high temperature resistant sealing rubber ring is fixedly connected to a position of the outer surface of the lower end of the sealing plate 52 corresponding to the mouth of the sand box 6, a spring clip is arranged inside the mouth of the sealing bag 54, and the sealing bag 54 is made of a high temperature resistant aluminum foil material.
Through adopting above-mentioned technical scheme, guaranteed that the closing plate 52 can be complete cover the case mouth of sand box 6, the leakproofness between closing plate 52 and the sand box 6 has been improved greatly, the inside spring clamp that is provided with of sealing bag 54 sack, utilize the elasticity of spring clamp, can cup joint on the casting tube of different bore sizes, can tie up the junction of sealing bag 54 with the casting tube again, further guaranteed the leakproofness to sand box 6, and convenient to detach, the practicality is high, sealing bag 54 of high temperature resistant aluminium foil material greatly reduced its probability that is splashed and burns out by spark and liquation, the effectual sealed effect who guarantees sealing bag 54, further guaranteed the quality of foundry goods product.
As an embodiment of the present invention, as shown in fig. 5, 6 and 7, the unlocking assembly 9 includes a fixed box 91, a movable groove 92, a first elastic spring 93, a lock cylinder 94, a first limiting groove 95, a sliding groove 96, a second elastic spring 97, a limiting block 98, a second limiting groove 99, a second rack 910, a through groove 911, a support frame 912, a rotating shaft 913 and a gear 914, the movable groove 92 is symmetrically formed on the upper and lower outer surfaces of the rear end of the fixed box 91, the first elastic spring 93 is fixedly connected to the front end of the inner surface of the movable groove 92, the lock cylinder 94 is fixedly connected to the rear end of the first elastic spring 93, the lock cylinder 94 extends into the lock groove 8, the first limiting groove 95 is formed on the outer surface of the upper end of the lock cylinder 94, the sliding groove 96 is formed in the fixed box 91, the second elastic spring 97 is fixedly connected to the bottom end of the inner surface of the sliding groove 96, the limiting block 98 is fixedly connected to the top end of the second elastic spring 97, the limiting block 98 penetrates through the first limiting groove 95, a second limiting groove 99 is formed in the position, corresponding to the first limiting groove 95, of the limiting block 98, the two limiting grooves are matched with each other, a second rack 910 is fixedly connected to the top end of the limiting block 98, a through groove 911 is formed in the outer surface of the front end of the fixing box 91 and the position, corresponding to the second rack 910, of the fixing box 91, a supporting frame 912 is fixedly connected to the outer surface of the front end of the fixing box 91, close to the through groove 911, the rotating shaft 913 is rotatably connected to the inside of the supporting frame 912 through a bearing, a gear 914 is fixedly connected to the outer surface of the ring of the rotating shaft 913, and the gear 914 extends into the through groove 911 and is meshed with the second rack 910.
By adopting the technical scheme, when the sealing plate 52 drives the first rack 55 to move downwards, and the first rack 55 is contacted with the gear 914 to be meshed with each other, the first rack 55 moves downwards continuously to drive the gear 914 to rotate anticlockwise, after casting is completed, and after a casting is formed, the hydraulic push rod 41 is controlled to move upwards to drive the push plate 42 to move upwards, so that the sealing plate 52 is driven to move upwards, the first rack 55 moves upwards to drive the second rack 910 to move downwards, and the limit block 98 moves downwards along with the second rack 910, so that the two lock cylinders 94 are extruded to move towards the front end in the movable groove 92 to be separated from the lock groove 8, the movable door 7 is automatically opened under the action of the spring hinge, quartz sand and the casting in the sand box 6 can be automatically discharged, the working strength of workers is greatly reduced, and manual operation can be prevented from being scalded by a high-temperature box body, when the first rack 55 and the gear 914 are separated from each other, the lock cylinder 94 and the limiting block 98 can be restored to the original positions under the action of the first elastic spring 93 and the second elastic spring 97, so that the automatic unlocking function can be realized next time.
As an embodiment of the present invention, as shown in fig. 5 and 6, the second rack 910 is a unidirectional rack, the first limit groove 95 is designed to have a right trapezoid structure and is matched with the limit block 98, the number of the lock cylinders 94 is two, and the rear end surface thereof is designed to have a triangle structure.
By adopting the above technical scheme, when the first rack 55 and the second rack 910 are engaged with each other and then continuously move downwards to drive the gear 914 to rotate anticlockwise, because the gear 914 is engaged with the second rack 910 and the second rack 910 is a unidirectional rack, the gear 914 cannot drive the second rack 910 to move upwards, and when the gear 914 rotates clockwise, the second rack 910 can be driven to move downwards, and when the second rack 910 drives the stopper 98 to move downwards, the second stopper groove 99 moves downwards, because the first stopper groove 95 is designed in a right trapezoid structure and is matched with the stopper 98, the lock cylinder 94 is pressed leftwards, so that the automatic unlocking function can be realized, through the design of the two lock cylinders 94, the closing stability of the movable door 7 can be greatly improved, and the design of the triangular structure at the rear end of the lock cylinder 94 is beneficial to pressing the lock cylinder 94 into the movable groove 92 when the movable door 7 is closed until the movable door is completely closed, and the automatic locking function can be realized under the action of the first elastic spring 93.
The working principle is as follows: when the casting mould is in operation, the vibration motor 10 is started, the casting mould is buried in quartz sand, the hydraulic push rod 41 is controlled to move downwards to drive the push plate 42 to move downwards, the casting opening penetrates through the inside of the first through hole 43, the push plate 42 continues to move downwards, the downward light pressure is continued after the contact with the quartz sand, the quartz sand is flattened, so that the gap between the quartz sand in the sand box 6 is greatly reduced, the quartz sand is in closer contact with a casting model, the collapse phenomenon is ensured not to occur easily in the casting process, the surface forming quality of a finished casting product is greatly improved, when the hydraulic push rod 41 drives the push plate 42 to move downwards, the sealing plate 52 moves downwards under the action of the compression spring 51 until the sealing plate is in contact with the box opening of the sand box 6, the casting tube extends out through the second through hole 53 and is matched with the sealing bag 54 to cover the casting tube, the sealing effect on the sand box 6 is greatly improved, and the casting process is ensured, the air between sand grains in the special sand box 6 is pumped away by matching with the air pumping of the vacuum pipe 11, so that the sand grains in the sealed sand box 6 are formed, the sand mould has certain compactness, the interior of the sand mould is in a vacuum negative pressure state, the casting mould is poured, the exhaust speed and the exhaust amount are increased, the air pressure of a metal liquid and a mould sample interface is reduced, the advancing speed of the front edge of the stream is increased, the mold filling capacity is improved, and the carbon black defect on the surface of a casting is reduced, when the sealing plate 52 drives the rack I55 to move downwards, the rack I55 is contacted with the gear 914 to be meshed with each other, the gear 914 is continuously moved downwards, the gear 914 is driven to rotate anticlockwise, the gear 914 and the rack II 910 are meshed and connected, and the rack II 910 is a one-way rack, the gear 914 cannot drive the rack II 910 to move upwards, after the casting is finished, the hydraulic push rod 41 is controlled to move upwards to drive the push plate 42 to move upwards, thereby driving the sealing plate 52 to move upwards, further the first rack 55 to move upwards, driving the second rack 910 to move downwards, because the second rack 910 is fixedly connected with the limiting block 98, the limiting block 98 moves downwards along with the second rack, and then the two lock cylinders 94 can be extruded to move towards the front end in the movable groove 92 to be separated from the lock groove 8, the movable door 7 can be automatically opened under the action of the spring hinge, and further the quartz sand and the casting in the sand box 6 can be automatically discharged, the working strength of the workers is greatly reduced, and the manual operation can be prevented from being scalded by the high-temperature box body, when the first rack 55 is separated from the gear 914, under the action of the first elastic spring 93 and the second elastic spring 97, the lock cylinders 94 and the limiting blocks 98 can be restored to the original positions, the automatic unlocking function can be conveniently realized next time, the quartz sand can automatically fall to the upper part of the filter screen 12, and the casting can fall to the upper part of the placing table 13 due to large inertia to wait for cooling, under vibrating motor 10's effect, be favorable to quartz sand to drop from sand box 6 inner wall, and be favorable to filter screen 12 to shake the filtration to quartz sand, quartz sand after the filtration can drop to inside collecting box 14, quartz sand's reutilization has been made things convenient for, can also drive fixed connection through control hydraulic push rod 41 downstream and scrape the adnexed quartz sand of sand box 6 inner wall downwards at push pedal 42 scraper blade 44 all around, clean up its inner wall, prevent that the impurity after remaining the casting from remaining and producing the influence at its inner surface to subsequent production, the device can realize the casting, pour, filter and collect multinomial function, a large amount of manpower and materials have been saved, moreover, the steam generator is simple in structure, therefore, the clothes hanger is strong in practicability.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. The utility model provides a pair method disappearance die casting aluminium equipment, includes base (1), its characterized in that: a supporting plate (2) is fixedly connected to a position, close to the left end, of the outer surface of the upper end of the base (1), a supporting table (3) is fixedly connected to a position, close to the upper end, of the outer surface of the right end of the supporting table (2), a driving mechanism (4) is fixedly connected to the outer surface of the lower end of the supporting table (3), a sealing assembly (5) is arranged between the driving mechanism (4) and the supporting table (3), a sand box (6) is fixedly connected to a position, close to the lower end, of the outer surface of the right end of the supporting plate (2), a movable door (7) is arranged on the outer surface of the right end of the sand box (6), the rear end of the movable door (7) is rotatably connected with the sand box (6) through a spring hinge, locking grooves (8) are symmetrically formed in the upper and lower portions of the outer surface of the front end of the movable door (7), and an unlocking assembly (9) is fixedly connected to a position, corresponding to the outer surface of the front end of the sand box (6), the sand box comprises a sand box (6), a vibration motor (10) is fixedly connected to the outer surface of the lower end of the sand box (6), a vacuumizing tube (11) is fixedly connected to the outer surface of the front end of the sand box (6), a filter screen (12) is fixedly connected to the bottom end of the outer surface of the right end of the sand box (6), the front end and the rear end of the filter screen (12) are fixedly connected to the inner surface of a base (1), a placing table (13) is fixedly connected to the outer surface of the right end of the filter screen (12), a collecting box (14) is arranged in the base (1) at a position corresponding to the filter screen (12), and idler wheels are fixedly connected to four corners of the outer surface of the bottom end of the collecting box (14);
actuating mechanism (4) are including hydraulic push rod (41), push pedal (42), through-hole (43), scraper blade (44), the lower extreme outer fixed surface of brace table (3) is connected with hydraulic push rod (41), the quantity of hydraulic push rod (41) is two sets of, and is two sets of hydraulic push rod (41) use the center of brace table (3) to distribute as mid point bilateral symmetry, the lower extreme outer fixed surface of hydraulic push rod (41) is connected with push pedal (42), through-hole (43) have been seted up to the upper end surface central point position of push pedal (42), the equal fixedly connected with scraper blade (44) of surface all around of push pedal (42).
2. A duplex lost foam aluminum casting apparatus as recited in claim 1, wherein: the push plate (42) and the sand box (6) are both designed into a square structure, the positions of the push plate and the sand box are mutually corresponding, and the bottom plate of the sand box (6) and the filter screen (12) are both designed into an inclined structure.
3. A duplex lost foam aluminum casting apparatus as recited in claim 1, wherein: the sealing assembly (5) comprises a compression spring (51), a sealing plate (52), a second through hole (53), a sealing bag (54) and a first rack (55), the compression spring (51) is sleeved at a position, close to the lower end, of the annular outer surface of the hydraulic push rod (41), the sealing plate (52) is fixedly connected with the lower end of the compression spring (51), the sealing plate (52) is located above the push plate (42), the hydraulic push rod (41) penetrates through the sealing plate (52), the second through hole (53) is formed in the position, corresponding to the first through hole (43), of the outer surface of the upper end of the sealing plate (52), the sealing bag (54) is fixedly connected with the position, close to the second through hole (53), of the outer surface of the upper end of the sealing plate (52), and the first rack (55) are fixedly connected with the position, corresponding to the unlocking assembly (9), of the outer surface of the lower end of the sealing plate (52).
4. A duplex lost foam aluminum casting apparatus as recited in claim 1, wherein: the sealing plate (52) is designed into a square structure, the area of the sealing plate is larger than the cross sectional area of the sand box (6), the outer surface of the lower end of the sealing plate (52) corresponds to the opening of the sand box (6) in a position fixedly connected with a high-temperature-resistant sealing rubber ring, a spring clamp is arranged inside the opening of the sealing bag (54), and the sealing bag (54) is made of high-temperature-resistant aluminum foil.
5. A duplex lost foam aluminum casting apparatus as recited in claim 1, wherein: the unlocking assembly (9) comprises a fixed box (91), a movable groove (92), a first elastic spring (93), a lock cylinder (94), a first limiting groove (95), a sliding groove (96), a second elastic spring (97), a limiting block (98), a second limiting groove (99), a second rack (910), a through groove (911), a supporting frame (912), a rotating shaft (913) and a gear (914), wherein the movable groove (92) is symmetrically formed in the upper and lower parts of the outer surface of the rear end of the fixed box (91), the first elastic spring (93) is fixedly connected to the front end of the inner surface of the movable groove (92), the lock cylinder (94) is fixedly connected to the rear end of the first elastic spring (93), the lock cylinder (94) extends into the lock groove (8), the first limiting groove (95) is formed in the outer surface of the upper end of the lock cylinder (94), the sliding groove (96) is formed in the fixed box (91), and the second elastic spring (97) is fixedly connected to the bottom end of the inner surface of the sliding groove (96), the top end of the second elastic spring (97) is fixedly connected with a limiting block (98), the limiting block (98) penetrates through the first limiting groove (95), a second limiting groove (99) is arranged on the position, corresponding to the first limiting groove (95), of the limiting block (98), the two are matched with each other, the top end of the limit block (98) is fixedly connected with a second rack (910), a through groove (911) is arranged at the position of the outer surface of the front end of the fixed box (91) corresponding to the second rack (910), a supporting frame (912) is fixedly connected to the position, close to the through groove (911), of the outer surface of the front end of the fixing box (91), the inside of the supporting frame (912) is rotatably connected with a rotating shaft (913) through a bearing, the annular outer surface of the rotating shaft (913) is fixedly connected with a gear (914), and the gear (914) extends into the through groove (911) and is meshed with the second rack (910).
6. A duplex lost foam aluminum casting apparatus as recited in claim 1, wherein: the second rack (910) is a one-way rack, the first limiting groove (95) is designed to be of a right-angled trapezoid structure and matched with the limiting block (98), the number of the lock cylinders (94) is two, and the rear end face of the lock cylinders is designed to be of a triangular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111273610.5A CN114029452A (en) | 2021-10-29 | 2021-10-29 | Duplex lost foam aluminum casting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111273610.5A CN114029452A (en) | 2021-10-29 | 2021-10-29 | Duplex lost foam aluminum casting equipment |
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| Publication Number | Publication Date |
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| CN114029452A true CN114029452A (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111273610.5A Pending CN114029452A (en) | 2021-10-29 | 2021-10-29 | Duplex lost foam aluminum casting equipment |
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| CN114472805A (en) * | 2022-03-21 | 2022-05-13 | 董庭 | Compaction type lost foam and pouring method for lost foam casting |
| CN115041637A (en) * | 2022-05-20 | 2022-09-13 | 杨金凤 | Sand box for copper furnace founding |
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| JP2007245201A (en) * | 2006-03-16 | 2007-09-27 | Sintokogio Ltd | Evaporative pattern casting process and die used for the casting process |
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| CN115041637A (en) * | 2022-05-20 | 2022-09-13 | 杨金凤 | Sand box for copper furnace founding |
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