CN220901870U - Vacuum casting device adopting 3D printing shell mold - Google Patents
Vacuum casting device adopting 3D printing shell mold Download PDFInfo
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- CN220901870U CN220901870U CN202322406144.4U CN202322406144U CN220901870U CN 220901870 U CN220901870 U CN 220901870U CN 202322406144 U CN202322406144 U CN 202322406144U CN 220901870 U CN220901870 U CN 220901870U
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- 238000005266 casting Methods 0.000 title claims abstract description 66
- 238000010146 3D printing Methods 0.000 title claims abstract description 42
- 244000035744 Hura crepitans Species 0.000 claims abstract description 49
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 239000004576 sand Substances 0.000 description 9
- 238000007789 sealing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- Casting Devices For Molds (AREA)
Abstract
The utility model relates to a vacuum casting device adopting a 3D printing shell mold, which belongs to the field of vacuum casting and comprises a vacuum box, a lifting plate, a vacuum box cover, a casting pipe, a vacuum pump, a sand box, the 3D printing shell mold, a pushing-up assembly, a workbench and a second telescopic cylinder; the lifting plate is arranged in the vacuum box in a sliding way; one end of the vacuum box cover is rotatably arranged on the vacuum box; the casting pipe is in threaded connection with the vacuum box cover and is detachably connected with the vacuum box cover; the vacuum pump is arranged on the vacuum box; the sand box is arranged at the upper end of the lifting plate and is detachably connected; the 3D printing shell mold is arranged in the sand box and is connected with the casting pipe; the pushing-up assembly is arranged in the sand box in a sliding manner; the lower end of the lifting plate is provided with a lifting mechanism for driving the lifting plate to lift; the lifting mechanism is provided with two lifting mechanisms; the output end of the second telescopic cylinder is arranged on the workbench in a sliding way. The utility model is more convenient when putting and taking the sand box into the vacuum box, and is more rapid when taking out the 3D printing shell mold.
Description
Technical Field
The utility model relates to the field of vacuum casting, in particular to a vacuum casting device adopting a 3D printing shell mold.
Background
Vacuum casting, namely a method of casting ingots in a mould shell in a vacuum chamber by injecting molten metal smelted in the atmosphere into the mould shell. The gas content in the metal can be minimized and oxidation of the metal can be prevented. The method can be used for producing special alloy steel castings, titanium alloy castings which are extremely easy to oxidize and the like with high requirements. Vacuum casting is expensive, and is generally used for smelting alloys and high-quality castings with high vapor pressure and easy volatilization loss, and the casting mold should not contain volatile matters.
Chinese patent publication No. CN205270740U discloses a vacuum casting device employing a 3D printing shell mold. It comprises the following steps: the vacuum box is provided with a closed space, and a sand box and a rotatable electric furnace are arranged in the space; an air pump for vacuumizing the space is arranged outside the space, a vibrating device is also arranged in the space, the sand box is placed on the vibrating device, a shell mold printed by 3D is buried in the sand box, and sand outside the shell mold is vibrated and compacted by the vibrating device; the casting mouth of the shell mold is exposed on the sand surface of the sand box and corresponds to the outlet of the electric furnace, and molten raw materials are injected into the casting mouth of the shell mold through the rotation of the electric furnace. In order to solve the problem of insufficient bearing capacity of a shell mold for 3D printing, a sand box is arranged in a vacuum box, and a casting sand in the sand box is used for supporting the outer part of the shell mold during casting. The shell mold will not break during casting, ensuring the smooth completion of the whole casting.
However, in the above-mentioned device, it is troublesome to put and take out the sand box into the vacuum box, and the sand must be manually scraped off when taking out the 3D printing shell mold.
Disclosure of utility model
The utility model aims at solving the problems in the background technology, and provides a vacuum casting device which is more convenient to put and take a sand box into a vacuum box and is more rapid to take out a 3D printing shell mold.
The technical scheme of the utility model is as follows: a vacuum casting device adopting a 3D printing shell mold comprises a vacuum box, a lifting plate, a vacuum box cover, a casting pipe, a vacuum pump, a sand box, the 3D printing shell mold, a pushing-up assembly, a workbench and a second telescopic cylinder;
The lifting plate is arranged in the vacuum box in a sliding way; one end of the vacuum box cover is rotatably arranged on the vacuum box; the casting pipe is in threaded connection with the vacuum box cover and is detachably connected with the vacuum box cover; the vacuum pump is arranged on the vacuum box; the sand box is arranged at the upper end of the lifting plate and is detachably connected; the 3D printing shell mold is arranged in the sand box and is connected with the casting pipe; the pushing-up assembly is arranged in the sand box in a sliding manner; the lower end of the pushing-up assembly penetrates through the sand box and the lifting plate in a sliding manner, and the upper end of the pushing-up assembly is connected with the 3D printing shell mold; the lower end of the lifting plate is provided with a lifting mechanism for driving the lifting plate to lift; the lifting mechanism is provided with two lifting mechanisms; the output end of the second telescopic cylinder is arranged on the workbench in a sliding way.
Preferably, the lifting mechanism comprises a first telescopic cylinder and a support plate; the first telescopic cylinder is arranged on the vacuum box; the output end of the first telescopic cylinder is connected with a supporting plate, and the supporting plate is in butt joint with the lower end of the lifting plate.
Preferably, the 3D printed shell mold comprises a shell mold, a casting port and a viewing port; the shell mold is arranged at the upper end of the pushing-up assembly; the casting nozzle and the observation port are both arranged on the shell mold, and the casting nozzle is communicated with the casting pipe and is detachably connected.
Preferably, the pushing assembly comprises a sliding rod, a sliding plate and a positioning block; the sliding plate is arranged in the sand box in a sliding way; the sliding rod is arranged at the lower end of the sliding plate; the sliding rod penetrates through the sand box and the lifting plate and is in sliding connection with the sand box and the lifting plate; the locating blocks are arranged in a plurality, are arranged at the upper end of the sliding plate and are abutted with the lower end of the shell mold.
Preferably, a transparent block is arranged on the vacuum box cover; the transparent block is positioned above the viewing port.
Preferably, the sand box is provided with lifting blocks and two lifting blocks.
Preferably, the workbench is provided with a support column and a bolt, and the support column and the bolt are respectively provided with two; holes are formed in the lifting block and the supporting column, and the lifting block is connected with the supporting column through a bolt and is detachably connected with the supporting column.
Compared with the prior art, the utility model has the following beneficial technical effects:
According to the utility model, a worker takes out the 3D printing shell mold, then opens the 3D printing shell mold, and takes out the workpiece, so that sand is not required to be manually scraped off, the time is saved, and the working efficiency is improved; the lifting mechanism is convenient for taking and placing the sand box, so that the time is saved, and the working efficiency is improved; the vacuum box cover is provided with a handle, so that the vacuum box cover can be turned over conveniently; the vacuum box is provided with the sealing gasket, when the vacuum pump is used for exhausting gas, the vacuum box is in a negative pressure state, and the external gas downwards presses the vacuum box cover, so that the vacuum box cover and the sealing gasket are pressed more tightly, and the sealing effect is better.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
fig. 2 is a schematic view of a workbench in the utility model.
Reference numerals: 1. a vacuum box; 2. a lifting mechanism; 201. a first telescopic cylinder; 202. a support plate; 3. a lifting plate; 4. a vacuum box cover; 5. a transparent block; 6. casting a tube; 7. a vacuum pump; 8. a sand box; 9. lifting the block; 10. 3D printing a shell mold; 1001. a shell mold; 1002. a casting nozzle; 1003. an observation port; 11. pushing up the assembly; 1101. a slide bar; 1102. a sliding plate; 1103. a positioning block; 12. sand gravel; 13. a work table; 14. a second telescopic cylinder; 15. a support column; 16. a bolt.
Detailed Description
Example 1
As shown in fig. 1 and 2, the vacuum casting device adopting the 3D printing shell mold provided by the utility model comprises a vacuum box 1, a lifting plate 3, a vacuum box cover 4, a casting pipe 6, a vacuum pump 7, a sand box 8, a 3D printing shell mold 10, a push-up assembly 11, a workbench 13 and a second telescopic cylinder 14;
the lifting plate 3 is arranged in the vacuum box 1 in a sliding way; one end of the vacuum box cover 4 is rotatably arranged on the vacuum box 1; the casting pipe 6 is in threaded connection with the vacuum box cover 4 and is detachably connected; the vacuum pump 7 is arranged on the vacuum box 1; the sand box 8 is arranged at the upper end of the lifting plate 3 and is detachably connected; the 3D printing shell mold is arranged in the sand box 8 and is connected with the casting pipe 6; the push-up assembly 11 is arranged in the sand box 8 in a sliding manner; the lower end of the pushing-up assembly 11 penetrates through the sand box 8 and the lifting plate 3 in a sliding manner, and the upper end of the pushing-up assembly 11 is connected with the 3D printing shell mold 10; the lower end of the lifting plate 3 is provided with a lifting mechanism 2 for driving the lifting plate 3 to lift; the lifting mechanism 2 is provided with two lifting mechanisms; the output end of the second telescopic cylinder 14 is slidably arranged on the table 13.
The 3D printed shell mold 10 includes a shell mold 1001, a casting nozzle 1002, and a viewing port 1003; the shell mold 1001 is provided at the upper end of the push-up assembly 11; both the casting nozzle 1002 and the observation nozzle 1003 are provided on the shell mold 1001, and the casting nozzle 1002 communicates with the casting tube 6 and is detachably connected.
A transparent block 5 is arranged on the vacuum box cover 4; the transparent block 5 is located above the viewing port 1003.
The sand box 8 is provided with lifting blocks 9, and two.
The workbench 13 is provided with a support column 15 and a bolt 16, and the support column 15 and the bolt 16 are respectively provided with two; holes are formed in the lifting block 9 and the supporting column 15, and the lifting block 9 is connected with the supporting column 15 through a bolt 16 and is detachably connected.
In the embodiment, when pouring the 3D printing shell mold 10, firstly, a sliding rod 1101 passes through a hole on a workbench 13, a sand box 8 is placed on the workbench 13, the position of the 3D printing shell mold 10 is determined by a positioning block 1103, the 3D printing shell mold 10 is placed on the positioning block 1103, sand gravel 12 is filled in the sand box 8, a supporting force is given to the 3D printing shell mold to prevent the 3D printing shell mold 10 from being broken during pouring, after the sand gravel 12 is filled, a vacuum box cover 4 is turned over, a lifting mechanism 2 is started, the lifting mechanism 2 drives the lifting plate 3 to move upwards, stop is performed after the position is reached, a worker lifts the sand box 8 by using a lifting block 9, the sliding rod 1101 passes through the lifting plate 3, the sand box 8 is placed on the lifting plate 3, the lifting mechanism 2 is started to drive the lifting plate 3 to move downwards, the lifting plate 3 drives the sand box 8 to move the 3D printing shell mold 10 downwards, the vacuum box cover 4 is turned over, the vacuum box 1 is closed, the casting pipe 6 is manually turned, the lower end of the casting pipe 6 is communicated with the casting port 1002, the upper end of the casting pipe 6 is communicated with the electric furnace, then the vacuum pump 7 is turned on, the gas in the vacuum box 1 is discharged, after the gas is completely discharged, the electric furnace is started, casting liquid is conveyed into the shell mold 1001 from the casting pipe 6, the observation port 1003 is observed through the transparent block 5 on the vacuum box cover 4, when the casting liquid can be seen through the observation port 1003, the casting liquid is stopped to be conveyed, after cooling for a period of time, the casting pipe 6 is separated from the casting port, the vacuum box cover 4 is turned over, the vacuum box 1 is opened, the lifting mechanism 2 is started, the lifting mechanism 2 drives the lifting plate 3 to move upwards, the sand box 8 drives the 3D printing shell mold 10 to move upwards, the sand box 8 is lifted by a worker, and is placed on the workbench 13, the supporting column 15 and the lifting block 9 are fixed by using the bolt 16, the follow-up sand box 8 is prevented from moving, then the second telescopic cylinder 14 is started, the second telescopic cylinder 14 drives the sliding rod 1101 to move upwards, the sliding rod 1101 drives the sliding plate 1102 to move upwards, the sliding plate 1102 drives the positioning block 1103 to move upwards, the positioning block 1103 drives the 3D printing shell mold to move upwards, a worker takes out the 3D printing shell mold 10, then the 3D printing shell mold 10 is opened, a workpiece is taken out, sand and gravel 12 do not need to be manually scraped, time is saved, and working efficiency is improved; the lifting mechanism 2 is arranged to facilitate taking and placing of the sand box 8, so that time is saved, and working efficiency is improved; the vacuum box cover 4 is provided with a handle, so that the vacuum box cover 4 can be turned over conveniently; the vacuum box 1 is provided with a sealing gasket, when the vacuum pump 7 is used for exhausting gas, the vacuum box 1 is in a negative pressure state, and the external gas downwards presses the vacuum box cover 4, so that the vacuum box cover 4 and the sealing gasket are pressed more tightly, and the sealing effect is better.
Example two
As shown in fig. 1 and 2, in comparison with the first embodiment, the lifting mechanism 2 of the present embodiment includes a first telescopic cylinder 201 and a support plate 202; the first telescopic cylinder 201 is arranged on the vacuum box 1; the output end of the first telescopic cylinder 201 is connected to a support plate 202, and the support plate 202 abuts against the lower end of the lifting plate 3.
In the embodiment, the first telescopic cylinder 201 starts to drive the supporting plate 202 to lift, the supporting plate 202 drives the lifting plate 3 to lift, the lifting plate 3 drives the sand box 8 to lift, and the sand box 8 drives the 3D printing shell mold 10 to lift; thereby facilitating the placement of the flask 8 onto the lifter plate 3 and the removal of the flask 8.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.
Claims (7)
1. The vacuum casting device adopting the 3D printing shell mold is characterized by comprising a vacuum box (1), a lifting plate (3), a vacuum box cover (4), a casting pipe (6), a vacuum pump (7), a sand box (8), a 3D printing shell mold (10), a pushing-up assembly (11), a workbench (13) and a second telescopic cylinder (14);
The lifting plate (3) is arranged in the vacuum box (1) in a sliding way; one end of the vacuum box cover (4) is rotatably arranged on the vacuum box (1); the casting pipe (6) is in threaded connection with the vacuum box cover (4) and is in detachable connection; the vacuum pump (7) is arranged on the vacuum box (1); the sand box (8) is arranged at the upper end of the lifting plate (3) and is detachably connected; the 3D printing shell mold is arranged in the sand box (8) and is connected with the casting pipe (6); the pushing-up assembly (11) is arranged in the sand box (8) in a sliding manner; the lower end of the pushing-up assembly (11) penetrates through the sand box (8) and the lifting plate (3) in a sliding mode, and the upper end of the pushing-up assembly (11) is connected with the 3D printing shell mold (10); the lower end of the lifting plate (3) is provided with a lifting mechanism (2) for driving the lifting plate (3) to lift; the lifting mechanism (2) is provided with two lifting mechanisms; the output end of the second telescopic cylinder (14) is arranged on the workbench (13) in a sliding way.
2. Vacuum casting apparatus employing 3D printing shell mold according to claim 1, characterized in that the lifting mechanism (2) comprises a first telescopic cylinder (201) and a support plate (202); the first telescopic cylinder (201) is arranged on the vacuum box (1); the output end of the first telescopic cylinder (201) is connected with a supporting plate (202), and the supporting plate (202) is abutted with the lower end of the lifting plate (3).
3. A vacuum casting apparatus employing a 3D printed shell mold according to claim 1, wherein the 3D printed shell mold (10) comprises a shell mold (1001), a casting port (1002), and a viewing port (1003); the shell mold (1001) is arranged at the upper end of the push-up assembly (11); a casting nozzle (1002) and a viewing port (1003) are both provided on the shell mold (1001), and the casting nozzle (1002) is in communication with the casting tube (6) and is detachably connected.
4. A vacuum casting apparatus employing a 3D printing shell mold according to claim 3, wherein the push-up assembly (11) comprises a slide bar (1101), a slide plate (1102) and a positioning block (1103); the sliding plate (1102) is arranged in the sand box (8) in a sliding way; the sliding rod (1101) is arranged at the lower end of the sliding plate (1102); the sliding rod (1101) penetrates through the sand box (8) and the lifting plate (3) and is connected with the sand box in a sliding manner; a plurality of positioning blocks (1103) are arranged at the upper end of the sliding plate (1102) and are abutted with the lower end of the shell mold (1001).
5. Vacuum casting apparatus employing 3D printing shell mold according to claim 1, characterized in that a transparent block (5) is provided on the vacuum box cover (4); the transparent block (5) is located above the viewing port (1003).
6. Vacuum casting apparatus employing 3D printing shell mold according to claim 1, characterized in that the flask (8) is provided with lifting blocks (9) and two.
7. Vacuum casting device using 3D printing shell mould according to claim 6, characterized in that the working table (13) is provided with a support column (15) and a bolt (16), and the support column (15) and the bolt (16) are provided with two; holes are formed in the lifting block (9) and the supporting column (15), and the lifting block (9) is connected with the supporting column (15) through a bolt (16) and is detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322406144.4U CN220901870U (en) | 2023-09-04 | 2023-09-04 | Vacuum casting device adopting 3D printing shell mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322406144.4U CN220901870U (en) | 2023-09-04 | 2023-09-04 | Vacuum casting device adopting 3D printing shell mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220901870U true CN220901870U (en) | 2024-05-07 |
Family
ID=90907753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322406144.4U Active CN220901870U (en) | 2023-09-04 | 2023-09-04 | Vacuum casting device adopting 3D printing shell mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220901870U (en) |
-
2023
- 2023-09-04 CN CN202322406144.4U patent/CN220901870U/en active Active
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