CN220426789U - Die low-pressure casting device - Google Patents
Die low-pressure casting device Download PDFInfo
- Publication number
- CN220426789U CN220426789U CN202322071025.8U CN202322071025U CN220426789U CN 220426789 U CN220426789 U CN 220426789U CN 202322071025 U CN202322071025 U CN 202322071025U CN 220426789 U CN220426789 U CN 220426789U
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- bushing
- crucible
- mold
- positioning
- mounting
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- 238000005266 casting Methods 0.000 title claims abstract description 48
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000005485 electric heating Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910021652 non-ferrous alloy Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Crucibles And Fluidized-Bed Furnaces (AREA)
Abstract
The utility model is applicable to the technical field of casting equipment, and provides a die low-pressure casting device, which comprises: a crucible with molten metal inside and a mold detachably arranged at the top of the crucible; the top of the crucible is provided with a bushing, the bushing is provided with a mounting hole, and a heating element is embedded in the part, which is tightly attached to the mounting hole, of the inside of the bushing; the lift tube is detachably connected to the inside of the mounting hole, the top of the lift tube is clamped at the top of the lining, and the bottom of the tube body of the lift tube is inserted into the metal liquid.
Description
Technical Field
The utility model relates to the technical field of casting equipment, in particular to a die low-pressure casting device.
Background
The low pressure casting is a casting method in which a casting mold is generally placed above a sealed crucible, compressed air is introduced into the crucible, a low pressure (0.06-0.15 MPa) is caused on the surface of molten metal, and molten metal is lifted up by a lift tube to fill the casting mold and control solidification. The casting method has the advantages of good feeding, compact casting structure, easy casting of large thin-wall complex castings, no riser, and metal yield up to 95%. No pollution and easy automation. But the equipment cost is higher and the production efficiency is lower. Typically for casting nonferrous alloys.
In the existing low-pressure casting device, the liquid lifting pipe and the crucible are fixedly connected, so that when the liquid lifting pipe needs cleaning or replacement, the whole crucible needs to be modified, the later maintenance cost of the casting device is greatly increased, the top temperature of the traditional liquid lifting pipe is low, solidified waste is easy to appear at the top of the liquid lifting pipe during casting, the liquid lifting pipe is blocked, and the use of the liquid lifting pipe is affected.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of Invention
In view of the above-mentioned drawbacks, the present utility model is directed to providing a low-pressure casting device for a mold, which can ensure that the lift tube is more conveniently detached and installed when cleaning and replacing the lift tube are required by arranging a lift tube capable of being detached and installed conveniently, and meanwhile, a lift tube heating structure is provided, so that the cooling of casting liquid at the top of the lift tube is reduced, and the service life of the lift tube is prolonged.
In order to achieve the above object, the present utility model provides a die low pressure casting apparatus comprising: a crucible with molten metal inside and a mold detachably arranged at the top of the crucible; the top of the crucible is provided with a bushing, the bushing is provided with a mounting hole, and a heating element is embedded in the part, which is tightly attached to the mounting hole, of the inside of the bushing; the liquid lifting pipe is detachably connected to the inside of the mounting hole, the top of the liquid lifting pipe is clamped to the top of the lining, and the bottom of the pipe body of the liquid lifting pipe is inserted into the metal liquid.
According to the die low-pressure casting device, the top of the crucible is provided with the mounting groove for mounting the bushing, the top of the bushing is provided with the annular protrusion, and the annular protrusion is matched with the mounting groove to limit the mounting position of the bushing.
According to the die low-pressure casting device, the positioning groove is formed in the bushing, the mounting hole is formed in the bottom of the positioning groove, the positioning protrusion for positioning the liquid lifting pipe is arranged at the top of the mounting hole, the embedded hole is formed in the bushing, the heating element is embedded into the embedded hole, and heat-conducting fluid is filled in the embedded hole.
According to the die low-pressure casting device, the top of the liquid lifting pipe is provided with the positioning part matched with the positioning groove, and the bottom of the positioning part is provided with the positioning groove matched with the positioning protrusion.
According to the die low-pressure casting device, the slot is formed in the top of the positioning part, the insertion pipe matched with the slot is arranged at the bottom of the die, and the insertion pipe is inserted into the slot and is communicated with the casting space in the die.
According to the die low-pressure casting device, the top of the crucible is provided with the bearing platform, the bottom of the die is provided with the mounting plate, the mounting plate is provided with the fixing holes, the mounting plate is arranged on the bearing platform through the fixing holes, and the top of the side wall of the crucible is provided with the pressurizing pipe, the pressure relief pipe and the material injection pipe with the control valve.
The utility model provides a die low-pressure casting device, comprising: the crucible with molten metal inside and the mold detachably mounted on the top of the crucible ensure that the mold can be stably mounted on the top of the crucible, and meanwhile, the molten metal is pressed into the mold in a pressurizing mode to complete casting of the casting mold in the mold; the top of the crucible is provided with a bushing, the bushing is made of a material with better heat conductivity, a heating piece in the bushing can transfer heat to the bushing, the heating process of the bushing is completed, the heat of the bushing can be guaranteed to act on a riser tube, the bushing is provided with a mounting hole, a part, which is tightly attached to the mounting hole, in the bushing is embedded with the heating piece, and the heating piece adopts an electric heating pipe, so that rapid heating is guaranteed; the lift tube is detachably connected to the inside of the mounting hole, the top of the lift tube is clamped at the top of the lining, the bottom of the tube body of the lift tube is inserted into the metal liquid, the lift tube is guaranteed to be detached and mounted, the metal liquid can be poured into a casting space in the die at the same time, and the casting process is carried out.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is an enlarged schematic view of the portion A in FIG. 2;
FIG. 4 is a schematic view of a lift tube structure of the present utility model;
FIG. 5 is a schematic cross-sectional perspective view of a bushing of the present utility model;
in the figure, 1-mold, 11-mold space, 2-fixed hole, 3-mounting plate, 4-crucible, 41-bearing platform, 42-pressure release pipe, 43-pressurizing pipe, 44-molten metal, 5-riser pipe, 51-dismounting hole, 52-positioning part, 53-pipe body, 6-bushing, 61-annular protrusion, 62-positioning groove, 63-positioning protrusion, 64-mounting hole, 7-heating piece, 8-embedding hole.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the accompanying drawings and examples, it being understood that the specific examples described herein are for illustration only and are not intended to limit the present utility model.
Referring to fig. 1, 2 and 5, the present utility model provides a mold low pressure casting apparatus, which comprises a crucible 4 having a molten metal 44 therein and a mold 1 detachably mounted on the top of the crucible 4, ensuring that the mold 1 can be stably mounted on the top of the crucible 4, and simultaneously pressing the molten metal 44 into the mold 1 by pressurizing to complete casting of a mold inside the mold 1; the top of the crucible 4 is provided with a bushing 6, the bushing 6 is made of a material with better heat conductivity, a heating element 7 in the bushing 6 can transmit heat to the inside of the bushing 6, the heating process of the bushing 6 is completed, the heat of the bushing 6 can act on the lift tube 5, the bushing 6 is provided with a mounting hole 64, a part, which is tightly attached to the mounting hole 64, in the inside of the bushing 6 is embedded with the heating element 7, and the heating element 7 adopts an electric heating tube, so that rapid heating is guaranteed; the lift tube 5 which is detachably connected to the inside of the mounting hole 64, the top of the lift tube 5 is clamped at the top of the bushing 6, the bottom of the tube body 53 of the lift tube 5 is inserted into the metal liquid 44, the detachment and the installation of the lift tube 5 are ensured, and meanwhile, the lift tube 5 can pour the metal liquid 44 into the casting space 11 inside the mold 1, so that the casting process is performed.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, preferably, the top of the crucible 4 of the present utility model is provided with a mounting groove for mounting the bushing 6, the top of the bushing 6 is provided with a ring protrusion 61, the ring protrusion 61 cooperates with the mounting groove to limit the mounting position of the bushing 6, ensuring that the bushing 6 is normally embedded into the top of the crucible 4, preventing the bushing 6 from sliding dislocation during use, affecting the use of the bushing 6, the inside of the bushing 6 is provided with a positioning groove 62, the mounting hole 64 is arranged at the bottom of the positioning groove 62, the top of the mounting hole 64 is provided with a positioning protrusion 63 for positioning the liquid lifting tube 5, ensuring that the liquid lifting tube 5 is positioned by the bushing 6 when being mounted on the top of the bushing 6, preventing the gap between the liquid lifting tube 5 and the bushing 6 from being larger, affecting the pressurizing process inside the crucible 4, the inside of the bushing 6 is provided with an embedding hole 8, the inside of the embedding hole 8 is prevented, the inside of the embedding hole 8 is filled with a heat conduction fluid, and the inside of the embedding hole 7 is not used for heating tube 7 (the heat conduction tube 6 is not heated by adopting the prior art, and the heat conduction process is not guaranteed).
In addition, the top of the lift tube 5 is provided with the positioning part 52 which is matched with the positioning groove 62, the bottom of the positioning part 52 is provided with the positioning groove 62 which is matched with the positioning protrusion 63, the top of the positioning part 52 is provided with the slot, the bottom of the mold 1 is provided with the insertion tube which is matched with the slot, the insertion tube is inserted into the slot and is communicated with the casting space 11 in the mold 1, the positions of the lift tube 5 and the bushing 6 are ensured, a gap is formed between the lift tube 5 and the bushing 6 when in use, and the air leakage phenomenon of the crucible 4 when in pressurization is caused.
Further, the top of the crucible 4 is provided with the bearing platform 41, the bottom of the mold 1 is provided with the mounting plate 3, the mounting plate 3 is provided with the fixing hole 2, the mounting plate 3 is mounted on the bearing platform 41 through the fixing hole 2, the top of the side wall of the crucible 4 is provided with the pressurizing pipe 43 with the control valve, the pressure release pipe 42 and the injection pipe, the interior of the crucible 4 is pressurized through the pressurizing pipe 43, the pressure release is performed through the pressure release pipe 42, and the molten metal 44 is injected into the interior of the crucible 4 through the injection pipe.
In this embodiment, referring to fig. 1 to 5, when in use, the bushing 6 is firstly installed at the top of the crucible 4, then the lift tube 5 is inserted into the installation hole 64, so that the positioning portion 52 at the top of the lift tube 5 is clamped at the top of the installation hole 64, the installation of the lift tube 5 is completed, and then when the lift tube 5 needs to be disassembled, the disassembly hole 51 is formed in the inner wall of the positioning portion 52 of the lift tube 5, the lift tube 5 is hooked and disassembled by hooking the disassembly hole 51, so that the disassembly process of the lift tube 5 is completed.
In summary, the present utility model provides a die low pressure casting apparatus, comprising: the crucible with molten metal inside and the mold detachably mounted on the top of the crucible ensure that the mold can be stably mounted on the top of the crucible, and meanwhile, the molten metal is pressed into the mold in a pressurizing mode to complete casting of the casting mold in the mold; the top of the crucible is provided with a bushing, the bushing is made of a material with better heat conductivity, a heating piece in the bushing can transfer heat to the bushing, the heating process of the bushing is completed, the heat of the bushing can be guaranteed to act on a riser tube, the bushing is provided with a mounting hole, a part, which is tightly attached to the mounting hole, in the bushing is embedded with the heating piece, and the heating piece adopts an electric heating pipe, so that rapid heating is guaranteed; the lift tube is detachably connected to the inside of the mounting hole, the top of the lift tube is clamped at the top of the lining, the bottom of the tube body of the lift tube is inserted into the metal liquid, the lift tube is guaranteed to be detached and mounted, the metal liquid can be poured into a casting space in the die at the same time, and the casting process is carried out.
Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model, as will be apparent to those skilled in the art, without departing from the spirit and scope of the utility model as defined in the appended claims.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
Claims (6)
1. A die low pressure casting apparatus, comprising:
a crucible with molten metal inside and a mold detachably arranged at the top of the crucible;
the top of the crucible is provided with a bushing, the bushing is provided with a mounting hole, and a heating element is embedded in the part, which is tightly attached to the mounting hole, of the inside of the bushing;
the liquid lifting pipe is detachably connected to the inside of the mounting hole, the top of the liquid lifting pipe is clamped to the top of the lining, and the bottom of the pipe body of the liquid lifting pipe is inserted into the metal liquid.
2. The die low pressure casting apparatus according to claim 1, wherein a mounting groove for mounting the bushing is provided at a top of the crucible, and a ring protrusion is provided at a top of the bushing, the ring protrusion being engaged with the mounting groove to limit a mounting position of the bushing.
3. The die low-pressure casting device according to claim 2, wherein a positioning groove is formed in the bushing, the mounting hole is formed in the bottom of the positioning groove, a positioning protrusion for positioning the lift tube is formed at the top of the mounting hole, an embedding hole is formed in the bushing, the heating element is embedded into the embedding hole, and heat-conducting fluid is filled in the embedding hole.
4. The low-pressure casting device of the die set according to claim 3, wherein the top of the liquid lifting tube is provided with a positioning part matched with the positioning groove, and the bottom of the positioning part is provided with a positioning groove matched with the positioning protrusion.
5. The low-pressure casting device for a mold according to claim 4, wherein the positioning portion has a top portion provided with a socket, and the bottom portion of the mold has a cannula fitted to the socket, and the cannula is inserted into the socket and communicates with a mold space inside the mold.
6. The low pressure casting device of a mold according to any one of claims 1 to 5, wherein a bearing platform is arranged at the top of the crucible, a mounting plate is arranged at the bottom of the mold, a fixing hole is arranged on the mounting plate, the mounting plate is arranged on the bearing platform through the fixing hole, and a pressurizing pipe, a pressure releasing pipe and a material injecting pipe with control valves are arranged at the top of the side wall of the crucible.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322071025.8U CN220426789U (en) | 2023-08-03 | 2023-08-03 | Die low-pressure casting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322071025.8U CN220426789U (en) | 2023-08-03 | 2023-08-03 | Die low-pressure casting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220426789U true CN220426789U (en) | 2024-02-02 |
Family
ID=89698902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322071025.8U Active CN220426789U (en) | 2023-08-03 | 2023-08-03 | Die low-pressure casting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220426789U (en) |
-
2023
- 2023-08-03 CN CN202322071025.8U patent/CN220426789U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |