CN216758119U - Crucible matched with metal type low-pressure casting machine - Google Patents
Crucible matched with metal type low-pressure casting machine Download PDFInfo
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- CN216758119U CN216758119U CN202122542451.6U CN202122542451U CN216758119U CN 216758119 U CN216758119 U CN 216758119U CN 202122542451 U CN202122542451 U CN 202122542451U CN 216758119 U CN216758119 U CN 216758119U
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Abstract
The utility model discloses a metal type low-pressure casting machine matched crucible, which relates to the technical field of crucibles and solves the technical problems that the capacity of a steel (iron) crucible is reduced and the thermal resistance is increased due to the fact that a graphite crucible is sleeved in the prior art, and meanwhile, the graphite crucible is inconvenient to replace; according to the utility model, the insulation piece is embedded in the crucible in a manner of arranging the mounting groove so as to divide the crucible into two layers, so that the phenomenon of iron increase caused by direct contact between an aluminum alloy solution and a steel (iron) crucible is avoided, the performance of the aluminum alloy is influenced, and meanwhile, the capacity reduction and the thermal resistance increase of the crucible are prevented in an embedded manner.
Description
Technical Field
The utility model relates to the technical field of crucibles, in particular to the technical field of crucibles matched with a metal type low-pressure casting machine.
Background
The low-pressure casting machine is a general device for low-pressure casting of aluminum alloy, can be widely applied to the production of aluminum alloy castings in automobiles, motorcycles, instruments, textile machinery and aerospace industry, and a metal type low-pressure casting machine matched crucible usually adopts a steel crucible and a cast iron crucible. In the smelting process of casting aluminum alloy, a steel (iron) crucible can easily cause the iron increase phenomenon of aluminum alloy solution, and iron which is the most harmful element in the aluminum alloy is strictly controlled.
In order to reduce the content of iron, which is a harmful element, and to make the performance of aluminum alloy more excellent, a graphite crucible is sleeved in a steel (iron) crucible, and because only the graphite crucible is used, the problems of heat conductivity reduction and power consumption increase due to long-term use exist, and the problem of brittleness of the graphite crucible exists when the steel (iron) crucible is sleeved in the graphite crucible, but the adoption of the method can reduce the capacity of the crucible for containing aluminum alloy solution by more than 20%, and simultaneously increase the thermal resistance of the crucible, thereby affecting the heating effect of metal, and the replacement of the graphite crucible is complicated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: in order to solve the technical problem, the utility model provides a crucible matched with a metal type low-pressure casting machine.
The utility model specifically adopts the following technical scheme for realizing the purpose:
the crucible matched with the metal type low-pressure casting machine comprises a crucible, wherein the lower end of the inner surface of the crucible is sunken to form a step so as to form a mounting groove in the crucible, an isolating piece for isolating mutual contact between aluminum alloy and the crucible is connected in the mounting groove in a clamping mode, and the lower surface of the isolating piece is attached to the bottom surface of the mounting groove.
Further, the upper end of crucible has set firmly intake pipe and outlet duct, just the intake pipe and the outlet duct all communicates with the internal surface of crucible, and intake pipe and outlet duct all are located the top of mounting groove.
Furthermore, the outer edge of the upper end of the crucible is fixedly sleeved with a lifting ring along a horizontal plane, and the lifting ring is uniformly provided with at least 3U-shaped grooves along the outer circumference.
Further, the lower end of the lifting ring is fixedly provided with a flange used for abutting against the isolation piece.
Furthermore, an annular groove is formed in the upper surface of the lifting ring, and the circle center of the annular groove and the circle center of the lifting ring are located in the same circle center.
Furthermore, lugs are uniformly and fixedly arranged on the outer circumference of the lifting ring, the lugs are provided with through holes, and the number of the lugs is at least 6.
Further, the isolation piece is made of graphite.
Furthermore, the material of the crucible is 4Cr17S i 2.
The utility model has the following beneficial effects:
1. according to the utility model, the insulation piece is embedded in the crucible in a manner of arranging the mounting groove so as to divide the crucible into two layers, so that the phenomenon of iron increase caused by direct contact between an aluminum alloy solution and a steel (iron) crucible is avoided, the performance of the aluminum alloy is influenced, and meanwhile, the capacity reduction and the thermal resistance increase of the crucible are prevented in an embedded manner.
2. According to the utility model, the isolation piece is easy to mount and dismount in a manner of clamping the isolation piece and the crucible, so that constructors can replace damaged parts in time.
3. The crucible is convenient to position and fix by arranging the lifting ring, the lugs and other mechanisms, and the crucible is prevented from turning over when in use, so that the aluminum alloy solution flows out.
Drawings
FIG. 1 is an isometric view of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is a top view of the present invention;
reference numerals: 1-crucible, 2-mounting groove, 3-isolation piece, 4-gas inlet pipe, 5-gas outlet pipe, 6-pulling ring, 7-U-shaped groove, 8-annular groove, 9-lug, 10-through hole and 11-flange.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.
Example 1
As shown in fig. 2, the present embodiment provides a crucible for a metal type low pressure casting machine, comprising a crucible 1, wherein the lower end of the inner surface of the crucible 1 is recessed to form a step to form a mounting groove 2 in the crucible 1, an isolating member 3 for isolating the aluminum alloy and the crucible 1 from contacting each other is clamped in the mounting groove 2, and the lower surface of the isolating member 3 is attached to the bottom surface of the mounting groove 2.
The crucible 1 is a bowl with an upward opening and is used for containing metals such as aluminum alloy and the like to be melted; mounting groove 2 sets up in the bowl form bottom that is used for shaping crucible 1, and the central axis of mounting groove 2 is coaxial with crucible 1's the central axis, and the heating space of isolated piece 3 is unanimous with original crucible 1's the space that holds simultaneously, and the cavity size of mounting groove 2 is greater than original crucible 1's the size that holds metals such as aluminum alloy promptly to make the inner chamber of isolated piece 3 of installing in mounting groove 2, the heating space of isolated piece 3 promptly and the crucible 1 of original design hold the space unanimously.
The height dimension of mounting groove 2 is less than the height dimension of crucible 1 to the constructor throws the material according to installing the heating space of crucible 3 in mounting groove 2, if take place to throw the material mistake, throw promptly when expecting too much, after metals such as aluminum alloy melt, prevent that aluminum alloy solution from spilling over from crucible 1 opening.
The isolation piece 3 is arranged to prevent the aluminum alloy solution from directly contacting the crucible 1, so that the phenomenon of iron increase is avoided, and adverse conditions such as performance reduction of the aluminum alloy are avoided; the external shape of the isolating piece 3 is matched with the shape of the mounting groove 2 so as to prevent a gap from being formed between the isolating piece 3 and the crucible 1, so that heat conduction is not smooth, and melting of metals such as aluminum alloy is influenced; the upper surface of isolated piece 3 is provided with the arch, and the constructor of being convenient for exerts the effort to isolated piece 3 to be convenient for the installation and dismantlement isolated piece 3.
The working principle of the embodiment is as follows:
when in normal use, firstly, the isolating piece 3 is arranged in the mounting groove 2 of the crucible 1, then, metals such as aluminum alloy to be melted and the like are arranged on the isolating piece 3, and finally, the crucible 1 is arranged in a low-pressure casting machine for normal use; when the use is stopped or the insulator 3 is damaged, the insulator 3 is removed from the crucible 1 and replaced.
Example 2
As shown in fig. 1 and 3, in this embodiment, a preferable scheme of a crucible matched with a metal type low-pressure casting machine is provided, specifically, an air inlet pipe 4 and an air outlet pipe 5 are fixedly arranged at the upper end of the crucible 1, the air inlet pipe 4 and the air outlet pipe 5 are both communicated with the inner surface of the crucible 1, and the air inlet pipe 4 and the air outlet pipe 5 are both located above the installation groove 2.
The air inlet pipe 4 is communicated with an air compressor, the air outlet pipe 5 is communicated with the outside, the air inlet pipe 4 and the air outlet pipe 5 are both provided with an electric gate valve, and the air compressor and the electric gate valve are both in the prior art, so the details are not explained; when the crucible 1 is normally used, firstly, the electric gate valve of the air inlet pipe 4 is opened, then compressed air generated by the air compressor is introduced into the crucible 1 through the air inlet pipe 4, so that the pressure in the crucible 1 is enhanced, and when the pressure in the crucible 1 rises to a certain degree, the electric gate valve and the air compressor of the air inlet pipe 4 are closed, namely, the pressurization of the low-pressure casting process is completed; after the crucible 1 is used, the electric gate valve of the gas outlet pipe 5 is opened, and the gas in the crucible 1 is automatically discharged under the action of the internal and external pressure difference until the pressure in the crucible 1 is equal to the atmospheric pressure, namely the pressure relief in the low-pressure casting process is realized.
Example 3
As shown in fig. 3, the present embodiment provides a preferred embodiment of a crucible used in conjunction with a metal-type low-pressure casting machine, and specifically, a pulling ring 6 is fixedly sleeved on an outer edge of an upper end of the crucible 1 along a horizontal plane, and at least 3 brother U-shaped grooves 7 are uniformly formed on an outer circumference of the pulling ring 6. The lower end of the lifting ring 6 is fixedly provided with a flange 11 for abutting against the insulating member 3.
The material of the lifting ring 6 is Q235, and the cross section of the lifting ring 6 is annular; the width of the U-shaped groove 7 is 32 mm; the section of the flange 11 is annular, the outer edge of the flange 11 is consistent with the inner edge of the crucible 1, when the lifting ring 6 is fixedly connected with the crucible 1, the flange 11 moves downwards along the inner wall of the crucible 1 and pushes the isolating piece 3 to move downwards until the isolating piece 3 abuts against the bottom of the mounting groove 2, so that the isolating piece 3 is prevented from moving in the vertical direction, and the fixing of the isolating piece 3 is realized; through the design, when the crucible 1 is placed in the metal type low-pressure casting machine, the positioning device on the holding furnace of the metal type low-pressure casting machine positions the crucible 1 to the center of the hearth of the holding furnace through the U-shaped groove 7, so that the crucible 1 is prevented from turning over laterally to cause the outflow of molten metals such as aluminum alloy and the like.
As shown in fig. 3, an annular groove 8 is formed in the upper surface of the lifting ring 6, and the center of the annular groove 8 and the center of the lifting ring 6 are located in the same center of circle. The width of the annular groove 8 is 40mm, and the depth is 14 mm; through the design, when the crucible 1 is sealed, firstly, a proper packing is installed in the annular groove 8, and then the lifting ring 6 is attached to the heat preservation furnace cover so as to prevent compressed air in the heat preservation furnace from leaking, namely, the crucible 1 is sealed.
As shown in fig. 1, the lifting ring 6 is fixedly provided with lugs 9 along the outer circumference uniformly, the lugs 9 are provided with through holes 10, and the number of the lugs 9 is at least 6. By means of the design, when the lifting ring 6 is jointed with the heat preservation furnace cover, the part of the heat preservation furnace cover is placed in the lug 9, and then the limiting rod penetrates through the heat preservation furnace cover and the lug 9 through the through hole 10, so that the heat preservation furnace cover and the crucible 1 are prevented from moving, and the sealing effect of the crucible 1 is further enhanced.
The isolation piece 3 is made of graphite, and the crucible 1 is made of 4Cr17Si 2. Through such design, reduce manufacturing cost, be convenient for improve output.
Claims (8)
1. The utility model provides a supporting crucible of metal type low pressure casting machine, includes crucible (1), its characterized in that: the sunken ladder that forms of lower extreme of crucible (1) internal surface to form mounting groove (2) in crucible (1), the joint has insulating piece (3) that are used for insulating aluminum alloy and crucible (1) mutual contact each other in mounting groove (2), just the lower surface of insulating piece (3) and the bottom surface laminating of mounting groove (2).
2. The crucible as claimed in claim 1, wherein the crucible is used for a metal type low pressure casting machine, and the crucible comprises: the upper end of crucible (1) has set firmly intake pipe (4) and outlet duct (5), just intake pipe (4) and outlet duct (5) all communicate with the internal surface of crucible (1), and intake pipe (4) all are located the top of mounting groove (2) with outlet duct (5).
3. The crucible as claimed in claim 1, wherein the crucible is used for a metal type low pressure casting machine, and the crucible comprises: the outer edge of the upper end of the crucible (1) is fixedly sleeved with a lifting ring (6) along a horizontal plane, and the lifting ring (6) is uniformly provided with at least 3U-shaped grooves (7) along the outer circumference.
4. The crucible as claimed in claim 3, wherein the crucible is used for a metal type low pressure casting machine, and the crucible comprises: the lower end of the lifting ring (6) is fixedly provided with a flange (11) used for abutting against the isolation piece (3).
5. The crucible as claimed in claim 3, wherein the crucible is used for a metal type low pressure casting machine, and the crucible comprises: an annular groove (8) is formed in the upper surface of the lifting ring (6), and the circle center of the annular groove (8) and the circle center of the lifting ring (6) are located in the same circle center.
6. The crucible as claimed in claim 3, wherein the crucible is used for a metal type low pressure casting machine, and the crucible comprises: the lifting ring (6) is uniformly and fixedly provided with lugs (9) along the outer circumference, the lugs (9) are provided with through holes (10), and the number of the lugs (9) is at least 6.
7. The crucible as claimed in claim 1, wherein the crucible is used for a metal type low pressure casting machine, and the crucible comprises: the isolation piece (3) is made of graphite.
8. The crucible as claimed in claim 1, wherein the crucible is used for a metal type low pressure casting machine, and the crucible comprises: the crucible (1) is made of 4Cr17Si 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122542451.6U CN216758119U (en) | 2021-10-21 | 2021-10-21 | Crucible matched with metal type low-pressure casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122542451.6U CN216758119U (en) | 2021-10-21 | 2021-10-21 | Crucible matched with metal type low-pressure casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216758119U true CN216758119U (en) | 2022-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122542451.6U Active CN216758119U (en) | 2021-10-21 | 2021-10-21 | Crucible matched with metal type low-pressure casting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216758119U (en) |
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2021
- 2021-10-21 CN CN202122542451.6U patent/CN216758119U/en active Active
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