CN220532949U - Vacuumizing equipment for casting - Google Patents
Vacuumizing equipment for casting Download PDFInfo
- Publication number
- CN220532949U CN220532949U CN202322170447.0U CN202322170447U CN220532949U CN 220532949 U CN220532949 U CN 220532949U CN 202322170447 U CN202322170447 U CN 202322170447U CN 220532949 U CN220532949 U CN 220532949U
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- fixedly connected
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- resistant
- casting
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- 238000005266 casting Methods 0.000 title claims abstract description 54
- 244000035744 Hura crepitans Species 0.000 claims abstract description 49
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 238000005086 pumping Methods 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims description 18
- 238000007906 compression Methods 0.000 claims description 18
- 238000009423 ventilation Methods 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000003647 oxidation Effects 0.000 abstract description 3
- 238000007254 oxidation reaction Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000004576 sand Substances 0.000 description 8
- 239000006260 foam Substances 0.000 description 2
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model provides vacuum pumping equipment for casting, which belongs to the technical field of casting devices and aims to solve the problems that when an existing casting sand box is used for casting, as a certain amount of air is contained in the sand box, when a 2Cr13 casting is cast, the casting is easy to react with the air, oxidation is caused, pits are generated on the surface of the casting, and the production quality is influenced; the high-temperature-resistant fixing cylinder is fixedly connected to the right end face of the high-temperature-resistant connecting pipe; the bottom sand box is fixedly connected to the right end face of the high-temperature-resistant fixing cylinder; the buckle box is hinged to the upper end face of the bottom sand box; the sealing cover is hinged to the upper end face of the buckle box; the edges are respectively and fixedly connected to the outer side of the upper end of the bottom sand box and the outer sides of the upper end and the lower end of the buckle box; through the arrangement of the utility model, the vacuum pumping of the inner part of the bottom sand box is realized, the pits on the surface of the casting are reduced, the production quality is improved, and the service life is prolonged.
Description
Technical Field
The utility model belongs to the technical field of casting devices, and particularly relates to a vacuum pumping device for casting.
Background
The casting is a method for obtaining a part or a blank by casting liquid metal into a casting cavity which is matched with the shape of the part, cooling and solidifying the liquid metal, putting a proper amount of casting sand into a bottom sand box in the casting process, putting a lost foam into the bottom sand box, covering the lost foam with the casting sand, and pouring through a preformed hole.
According to the application number: the utility model discloses a casting sand box, which belongs to the technical field of casting sand boxes and aims at providing a casting sand box, which has the advantages of reducing the occupied area of a lifting plate and further reducing the overall volume of the sand box.
Based on the above, when casting a plurality of special castings, for example: the 2Cr13 castings are easy to cause the castings to react with air, so that oxidation is caused, pits are generated on the surfaces of the castings, and the production quality is affected.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a vacuum pumping device for casting, which is used for solving the problems that when the existing casting sand box is used for casting, as the sand box contains a certain amount of air, when some special castings are cast, for example: 2Cr13 castings are easy to cause the reactions of the castings and air, and cause oxidation, so that pits are generated on the surfaces of the castings, and the production quality is affected.
The utility model discloses a vacuum-pumping device for casting, which is characterized by comprising the following specific technical means:
the vacuum pumping equipment for casting comprises a high-temperature-resistant vacuum pump, a high-temperature-resistant connecting pipe, a high-temperature-resistant fixed cylinder, a bottom sand box, a buckle box, a sealing cover, edges, a fixed block, a sealing mechanism and a vacuum pumping mechanism; the high-temperature-resistant connecting pipe is fixedly arranged at the upper end of the high-temperature-resistant vacuum pump; the high-temperature-resistant fixing cylinder is fixedly connected to the right end face of the high-temperature-resistant connecting pipe; the bottom sand box is fixedly connected to the right end face of the high-temperature-resistant fixing cylinder; the buckle box is hinged to the upper end face of the bottom sand box; the sealing cover is hinged to the upper end face of the buckle box; the edges are respectively and fixedly connected to the outer side of the upper end of the bottom sand box and the outer sides of the upper end and the lower end of the buckle box; the fixing blocks are respectively and fixedly connected to the upper end face of the edge of the lower end of the buckle box and the upper end face of the sealing cover; the sealing mechanism is arranged at the upper end of the bottom sand box; the vacuumizing mechanism is arranged on the inner side of the high-temperature-resistant fixed cylinder.
Further, the sealing mechanism includes: a fastener, an operating lever and a compression spring; the plurality of fasteners are hinged to the outer sides of the plurality of fixing blocks respectively, and are L-shaped; the operation rods are provided with a plurality of operation rods, and the operation rods are respectively and slidably connected to the inner sides of the fasteners; the compression springs are provided with a plurality of compression springs, the plurality of compression springs are respectively fixedly connected to the inner sides of the plurality of fasteners, and the upper ends of the compression springs are fixedly connected to the upper ends of the operating rods.
Further, the sealing mechanism further includes: the guide rod and the limiting block; the guide rods are provided with a plurality of groups, the guide rods are respectively and fixedly connected to the lower end face of the upper end of the operation rod, and the guide rods are connected to the inner side of the fastener in a sliding manner; the limiting blocks are provided with a plurality of groups, and the limiting blocks are respectively and fixedly connected to the lower end faces of the guide rods.
Further, the sealing mechanism further includes: a seal ring; the sealing rings are arranged in a plurality, and the sealing rings are respectively and fixedly arranged on the inner sides of the edges and the inner sides of the sealing covers.
Further, the vacuumizing mechanism comprises: the device comprises a protection plate, a ventilation groove, a fixed shaft, a check block and a connecting spring; the protection plate is fixedly connected to the inner side of the bottom sand box; two ventilation grooves are formed, and the two ventilation grooves are formed in the inner side of the protection plate; the fixed shaft is fixedly connected to the inner side of the bottom sand box; two check blocks are arranged and are both connected to the outer side of the fixed shaft in a sliding manner; the connecting springs are provided with two groups, the two groups of connecting springs are respectively and fixedly connected to the outer sides of the two check blocks, and the connecting springs are fixedly connected to the inner sides of the bottom sand boxes.
Further, the vacuumizing mechanism further comprises: the fixing plate, the fixing spring and the sliding block; the fixing plate is fixedly connected to the inner side of the high-temperature-resistant fixing cylinder; the fixed spring is fixedly connected to the right end face of the fixed plate; the sliding block is fixedly connected to the right end face of the fixed spring, and the sliding block is inserted into the middle of the two check blocks.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, through the arrangement of the sealing mechanism, the sealing of the bottom sand box and the locking of the buckle box are realized after casting, the operation is simple, and the working efficiency is improved; through the arrangement of the vacuumizing mechanism, the inside of the bottom sand box is vacuumized, the sliding blocks slide backwards through the starting of the high-temperature-resistant vacuum pump, the check blocks slide inwards under the action of the connecting springs, the ventilation grooves are opened, air in the bottom sand box is pumped out, the inside of the bottom sand box is in a vacuum state, castings are prevented from being contacted with the air, pits on the surfaces of the castings are reduced, the production quality is improved, and through the arrangement of the check blocks, when the high-temperature-resistant vacuum pump is not started, the two high-temperature-resistant vacuum pumps slide outwards under the action of the sliding blocks and are blocked on the left end faces of the two ventilation grooves, casting sand is prevented from falling into the high-temperature-resistant fixed cylinder in the filling process, the service life is prolonged, and economic loss is reduced; through the arrangement of the mechanism, the sealing of the bottom sand box and the locking of the buckle box are realized, the working efficiency is improved, the vacuumizing of the inside of the bottom sand box is also realized, the pits on the surface of a casting are reduced, the production quality is improved, the service life is prolonged, and the economic loss is reduced.
Drawings
Fig. 1 is a schematic structural view of the main body of the present utility model.
Fig. 2 is a schematic cross-sectional structural view of the body of the present utility model.
Fig. 3 is a schematic structural view of the guide bar of the present utility model.
Fig. 4 is a schematic structural view of the lattice stopper of the present utility model.
FIG. 5 is a schematic sectional view of the high temperature resistant fixture cylinder of the present utility model.
FIG. 6 is a schematic view of the structure of the ventilation slot of the present utility model.
Fig. 7 is a schematic view of the structure of the slider of the present utility model.
In the figure, the correspondence between the component names and the drawing numbers is:
1. a high temperature resistant vacuum pump; 2. a high temperature resistant connecting pipe; 3. a high temperature resistant fixed cylinder; 4. a bottom flask; 5. buckling a box; 6. sealing cover; 7. an edge; 8. a fixed block; 9. a fastener; 10. an operation lever; 11. a compression spring; 12. a guide rod; 13. a limiting block; 14. a seal ring; 15. a protection plate; 1501. a ventilation groove; 16. a fixed shaft; 17. a grid block; 18. a connecting spring; 19. a fixing plate; 20. a fixed spring; 21. a sliding block.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1-3:
the utility model provides vacuum pumping equipment for casting, which comprises a high-temperature-resistant vacuum pump 1, a high-temperature-resistant connecting pipe 2, a high-temperature-resistant fixed cylinder 3, a bottom sand box 4, a buckle box 5, a sealing cover 6, a border 7, a fixed block 8 and a sealing mechanism; the high-temperature-resistant connecting pipe 2 is fixedly arranged at the upper end of the high-temperature-resistant vacuum pump 1; the high-temperature resistant fixed cylinder 3 is fixedly connected to the right end face of the high-temperature resistant connecting pipe 2; the bottom sand box 4 is fixedly connected to the right end face of the high-temperature-resistant fixed cylinder 3; the buckle box 5 is hinged to the upper end face of the bottom sand box 4; the sealing cover 6 is hinged to the upper end face of the buckle box 5; the edges 7 are provided with a plurality of edges 7, and the edges 7 are respectively and fixedly connected with the outer side of the upper end of the bottom sand box 4 and the outer sides of the upper end and the lower end of the buckle box 5; the plurality of fixing blocks 8 are arranged, and the plurality of fixing blocks 8 are respectively and fixedly connected with the upper end face of the lower end edge 7 of the buckle box 5 and the upper end face of the sealing cover 6; the sealing mechanism is provided at the upper end of the drag flask 4.
Wherein, sealing mechanism includes: the device comprises a fastener 9, an operation rod 10, a compression spring 11, a guide rod 12, a limiting block 13 and a sealing ring 14; the plurality of fasteners 9 are arranged, the plurality of fasteners 9 are respectively hinged to the outer sides of the plurality of fixing blocks 8, and the fasteners 9 are L-shaped; the operation rods 10 are provided in plurality, and the operation rods 10 are respectively connected with the inner sides of the fasteners 9 in a sliding way; the compression springs 11 are provided with a plurality of compression springs 11, the plurality of compression springs 11 are respectively and fixedly connected to the inner sides of the plurality of fasteners 9, and the upper ends of the compression springs 11 are fixedly connected to the upper ends of the operating rods 10; the guide rods 12 are provided with a plurality of groups, the guide rods 12 are respectively and fixedly connected to the lower end face of the upper end of the operation rod 10, and the guide rods 12 are slidably connected to the inner side of the fastener 9; the limiting blocks 13 are provided with a plurality of groups, and the limiting blocks 13 are respectively and fixedly connected to the lower end surfaces of the guide rods 12; the sealing rings 14 are provided in plurality, and the plurality of sealing rings 14 are fixedly arranged on the inner sides of the plurality of edges 7 and the inner sides of the sealing covers 6 respectively.
Pouring casting sand into the bottom sand box 4, placing the mould shell into the bottom sand box 4, closing the buckling box 5, enabling the upper end of the operating rod 10 to prop against the lower end face of the upper end edge 7 of the bottom sand box 4 under the action of the compression spring 11 by rotating the fastener 9 downwards, sealing between the bottom sand box 4 and the buckling box 5 through the sealing ring 14 in the edge 7, burying the casting sand in the buckling box 5, inserting a circular shaft in the burying process, compacting the casting sand after burying, taking out the circular shaft to obtain a reserved hole, pouring, closing the sealing cover 6 after pouring, fastening the sealing cover 6 by using the fastener 9, the operating rod 10 and the compression spring 11, and sealing between the sealing cover 6 and the buckling box 5 through the arrangement of the sealing ring 14.
Example two
On the basis of the first embodiment, as shown in fig. 4-7, the vacuum pump further comprises a vacuum pumping mechanism, a protection plate 15, a ventilation groove 1501, a fixed shaft 16, a check block 17, a connecting spring 18, a fixed plate 19, a fixed spring 20 and a sliding block 21; the vacuumizing mechanism is arranged on the inner side of the high-temperature-resistant fixed cylinder 3; the protection plate 15 is fixedly connected to the inner side of the bottom sand box 4; two ventilation grooves 1501 are arranged, and the two ventilation grooves 1501 are arranged on the inner side of the protection plate 15; the fixed shaft 16 is fixedly connected to the inner side of the bottom sand box 4; two check blocks 17 are arranged, and the two check blocks 17 are both connected to the outer side of the fixed shaft 16 in a sliding manner; the connecting springs 18 are provided with two groups, the two groups of connecting springs 18 are respectively and fixedly connected to the outer sides of the two check blocks 17, and the connecting springs 18 are fixedly connected to the inner side of the bottom sand box 4; the fixing plate 19 is fixedly connected to the inner side of the high-temperature-resistant fixing cylinder 3; the fixed spring 20 is fixedly connected to the right end face of the fixed plate 19; the sliding block 21 is fixedly connected to the right end face of the fixed spring 20, and the sliding block 21 is inserted into the middle of the two check blocks 17.
When the high temperature resistant vacuum pump 1 is not started, the sliding block 21 can enable the two check blocks 17 to be located on the left end face of the ventilation groove 1501 under the action of the fixing spring 20, casting sand is prevented from entering the high temperature resistant fixing cylinder 3 during filling, loose casting sand in the high temperature resistant fixing cylinder 3 is pumped into the high temperature resistant vacuum pump 1 during starting of the high temperature resistant vacuum pump 1, the high temperature resistant vacuum pump 1 is started, the starting of the high temperature resistant vacuum pump 1 can reduce the pressure of the left end of the sliding block 21 on the inner side of the high temperature resistant fixing cylinder 3, at the moment, the sliding block 21 can slide leftwards due to the fact that the pressure of the right end of the sliding block 21 is larger than the pressure of the left end, the sliding of the sliding block 21 can be separated from the check blocks 17, at the moment, the two check blocks 17 can slide inwards under the action of the connecting spring 18, the ventilation groove 1501 is opened, the bottom sand box 4 and air in the buckling box 5 can be pumped out, casting air in the bottom sand box 4 is isolated, and defects in casting molding are reduced.
Claims (6)
1. The utility model provides a casting is with evacuation equipment which characterized in that: the device comprises a high-temperature-resistant vacuum pump (1), a high-temperature-resistant connecting pipe (2), a high-temperature-resistant fixing cylinder (3), a bottom sand box (4), a buckle box (5), a sealing cover (6), an edge (7), a fixing block (8), a sealing mechanism and a vacuumizing mechanism; the high-temperature-resistant connecting pipe (2) is fixedly arranged at the upper end of the high-temperature-resistant vacuum pump (1); the high-temperature-resistant fixed cylinder (3) is fixedly connected to the right end face of the high-temperature-resistant connecting pipe (2); the bottom sand box (4) is fixedly connected to the right end face of the high-temperature-resistant fixed cylinder (3); the buckling box (5) is hinged to the upper end face of the bottom sand box (4); the sealing cover (6) is hinged to the upper end face of the buckle box (5); the edges (7) are provided with a plurality of edges (7), and the edges (7) are respectively and fixedly connected with the outer side of the upper end of the bottom sand box (4) and the outer sides of the upper end and the lower end of the buckle box (5); the fixing blocks (8) are provided with a plurality of fixing blocks (8), and the plurality of fixing blocks (8) are respectively and fixedly connected with the upper end face of the lower end edge (7) of the buckle box (5) and the upper end face of the sealing cover (6); the sealing mechanism is arranged at the upper end of the bottom sand box (4); the vacuumizing mechanism is arranged on the inner side of the high-temperature-resistant fixed cylinder (3).
2. A vacuum apparatus for casting according to claim 1, wherein: the sealing mechanism includes: a fastener (9), an operating rod (10) and a compression spring (11); the plurality of fasteners (9) are arranged, the plurality of fasteners (9) are respectively hinged to the outer sides of the plurality of fixing blocks (8), and the fasteners (9) are L-shaped; the operation rods (10) are provided with a plurality of operation rods (10), and the operation rods (10) are respectively connected to the inner sides of the fasteners (9) in a sliding manner; the compression springs (11) are provided with a plurality of compression springs (11), the compression springs (11) are respectively and fixedly connected to the inner sides of the fasteners (9), and the upper ends of the compression springs (11) are fixedly connected to the upper ends of the operating rods (10).
3. A vacuum apparatus for casting according to claim 2, wherein: the sealing mechanism further includes: a guide rod (12) and a limiting block (13); the guide rods (12) are provided with a plurality of groups, the guide rods (12) are respectively and fixedly connected to the lower end face of the upper end of the operation rod (10), and the guide rods (12) are slidably connected to the inner side of the fastener (9); the limiting blocks (13) are provided with a plurality of groups, and the limiting blocks (13) are respectively and fixedly connected to the lower end faces of the guide rods (12).
4. A vacuum apparatus for casting according to claim 3, wherein: the sealing mechanism further includes: a seal ring (14); the sealing rings (14) are arranged in a plurality, and the sealing rings (14) are respectively and fixedly arranged on the inner sides of the edges (7) and the inner sides of the sealing covers (6).
5. A vacuum apparatus for casting according to claim 1, wherein: the vacuumizing mechanism comprises: the protective plate (15), the ventilation groove (1501), the fixed shaft (16), the grid stop block (17) and the connecting spring (18); the protection plate (15) is fixedly connected to the inner side of the bottom sand box (4); two ventilation grooves (1501) are formed, and the two ventilation grooves (1501) are formed in the inner side of the protection plate (15); the fixed shaft (16) is fixedly connected to the inner side of the bottom sand box (4); two check blocks (17) are arranged, and the two check blocks (17) are both connected to the outer side of the fixed shaft (16) in a sliding manner; the connecting springs (18) are provided with two groups, the two groups of connecting springs (18) are respectively and fixedly connected to the outer sides of the two check blocks (17), and the connecting springs (18) are fixedly connected to the inner side of the bottom sand box (4).
6. A vacuum apparatus for casting according to claim 5, wherein: the vacuum pumping mechanism further comprises: a fixed plate (19), a fixed spring (20) and a sliding block (21); the fixing plate (19) is fixedly connected to the inner side of the high-temperature-resistant fixing cylinder (3); the fixed spring (20) is fixedly connected to the right end face of the fixed plate (19); the sliding block (21) is fixedly connected to the right end face of the fixed spring (20), and the sliding block (21) is inserted into the middle of the two check blocks (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322170447.0U CN220532949U (en) | 2023-08-14 | 2023-08-14 | Vacuumizing equipment for casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322170447.0U CN220532949U (en) | 2023-08-14 | 2023-08-14 | Vacuumizing equipment for casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220532949U true CN220532949U (en) | 2024-02-27 |
Family
ID=89971089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322170447.0U Active CN220532949U (en) | 2023-08-14 | 2023-08-14 | Vacuumizing equipment for casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220532949U (en) |
-
2023
- 2023-08-14 CN CN202322170447.0U patent/CN220532949U/en active Active
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