CN114184041A - Melting device of vacuum casting furnace and using method thereof - Google Patents
Melting device of vacuum casting furnace and using method thereof Download PDFInfo
- Publication number
- CN114184041A CN114184041A CN202111535205.6A CN202111535205A CN114184041A CN 114184041 A CN114184041 A CN 114184041A CN 202111535205 A CN202111535205 A CN 202111535205A CN 114184041 A CN114184041 A CN 114184041A
- Authority
- CN
- China
- Prior art keywords
- bushing
- crucible
- water pipe
- melting
- insulating water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002844 melting Methods 0.000 title claims abstract description 50
- 230000008018 melting Effects 0.000 title claims abstract description 50
- 238000005266 casting Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 239000000463 material Substances 0.000 claims description 13
- 239000004576 sand Substances 0.000 claims description 10
- 239000010445 mica Substances 0.000 claims description 8
- 229910052618 mica group Inorganic materials 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000005485 electric heating Methods 0.000 claims description 4
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 3
- 230000028016 temperature homeostasis Effects 0.000 claims description 2
- 230000006698 induction Effects 0.000 abstract description 24
- 238000011900 installation process Methods 0.000 abstract description 3
- 239000002184 metal Substances 0.000 description 12
- 239000000956 alloy Substances 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000000149 penetrating effect Effects 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009415 formwork Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/06—Crucible or pot furnaces heated electrically, e.g. induction crucible furnaces with or without any other source of heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/10—Crucibles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/10—Crucibles
- F27B14/12—Covers therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/14—Arrangements of heating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B2014/0837—Cooling arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/10—Crucibles
- F27B2014/104—Crucible linings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/13—Smelting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
Abstract
The invention provides a melting device of a vacuum casting furnace and a using method thereof.A bushing assembly is sleeved on a crucible, and can be stably used for a long time, so that the problems of friction, deformation and damage to an induction coil in the installation process of the bushing are effectively solved; meanwhile, the replacement cost of the coil, the bush and the like is saved; insulating water pipe one end is equipped with the end of intaking, and the other end is equipped with out the water end, penetrates the electrothermal tube in the intraductal of insulating water pipe, and effectual realization is to the temperature control of crucible.
Description
Technical Field
The invention relates to the field of vacuum furnaces for casting, relates to the production of aviation and aerospace castings, and particularly relates to a melting device of a vacuum casting furnace and a using method thereof.
Background
The vacuum casting furnace is a melting and pouring device or equipment in a vacuum environment and mainly comprises a melting chamber, a casting chamber and a feeding chamber; wherein, the melting chamber is arranged in the middle of the whole furnace and plays an important role in the melting and casting stability of the induction heating. Generally, a prefabricated crucible is arranged in a bushing to be integrally fastened in an induction coil, and the bushing plays an important role of a bridge between the crucible and the induction coil, so that the normal melting of mother alloy is guaranteed, the melting is not leaked, the induction coil is prevented from being burnt by molten metal, and the induction coil is high in cost.
In the prior art, when a bushing for installing a crucible in a vacuum furnace for casting is manufactured, a soft quartz material is used for wrapping the bushing, a prefabricated crucible is placed in the middle, and fine sand is filled in a gap part for tamping; the bushing manufactured according to the method can impact the coil after being sleeved into the electromagnetic induction coil, and metal liquid is easy to penetrate when pouring, so that the risk of burning the induction coil exists. And when the crucible is installed and disassembled, the insulating layer of the crucible is often abraded, so that the potential safety hazard of electric conduction exists. The crucible is replaced according to the production shift or the induction coil is replaced at regular intervals, so that the problems of low assembly and maintenance efficiency of the vacuum furnace, high manufacturing, using and maintenance costs and the like exist.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a melting device of a vacuum casting furnace and a using method thereof, aiming at solving the problems of abrasion of an original lining and damage of an insulating layer of an induction coil; the technical problems that the induction coil is burnt and damaged by molten metal penetrating through the lining in pouring, the maintenance difficulty of the induction coil is high and the like are solved; meanwhile, the replacement cost of the coil, the bushing and the like is saved.
The invention is realized by the following technical scheme:
a melting device of a vacuum casting furnace comprises a lining component, an insulating water pipe and a crucible; the bushing assembly is sleeved on the crucible, wherein the bushing assembly comprises a first bushing, a second bushing and a third bushing; the first bushing is sleeved on the crucible, the second bushing is sleeved on the first bushing, and the third bushing is sleeved on the second bushing;
the insulating water pipe is arranged on the third bushing in a surrounding mode; wherein, insulating water pipe one end is equipped with into water end, and the other end is equipped with out the water end, penetrate the electrothermal tube in the intraductal of insulating water pipe for carry out heating control to the crucible, when the temperature of electrothermal tube risees, let in cold water through insulating water pipe and carry out the thermoregulation, realize the temperature control to the crucible.
Preferably, when the first bushing is sleeved on the crucible, a gap exists between the side wall of the first bushing and the outer wall of the crucible, the gap is provided with a filling unit for ensuring the stability of the crucible on the first bushing, and the filling unit is sealed by water-based silica sol at the top of the first bushing and the crucible.
Furthermore, the filling unit adopts fine sand.
Preferably, the distance between the insulated water pipe and the third bushing is 3-5 mm.
Preferably, an insulating layer is attached to the outer side wall of the insulating water pipe.
Preferably, the insulating water pipe is arranged around the bottom end to the top end of the third liner in sequence.
Preferably, the inner capacity areas of the first bush, the second bush and the third bush are sequentially increased.
Preferably, the crucible pot further comprises a cover plate and a sheath, the sheath is used for sleeving the lining assembly, the insulating water pipe and the crucible, and two ends of the insulating water pipe respectively penetrate out of the sheath; the cover plate is fixed at the opening of the sheath through a nut, a round hole is formed in the cover plate, and the crucible is arranged in the bushing assembly through the round hole.
A use method of a melting device of a vacuum casting furnace is based on the melting device of the vacuum casting furnace, and comprises the following steps:
placing the crucible in a bushing assembly, wherein the bushing assembly is formed by overlapping and sleeving a first bushing, a second bushing and a third bushing, a gap exists between the first bushing and the crucible, and fine sand of 200 meshes is filled in the gap to ensure that the crucible is stable in the bushing;
the insulating water pipe is sleeved on and surrounds the third bushing, so that a safety gap is reserved between the outer wall of the third bushing and the insulating layer of the insulating water pipe;
the material melting material is placed in the crucible for melting material, and the temperature of the crucible is controlled by the insulating water pipe and the electric heating pipe in the insulating water pipe.
Preferably, the first bushing, the second bushing and the third bushing are all made of mica.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention provides a melting device of a vacuum casting furnace, which is characterized in that a bushing assembly is sleeved on a crucible, the bushing assembly can be stably used for a long time, and the problems of friction, deformation and damage to an induction coil in the installation process of the bushing are effectively solved, wherein the bushing assembly comprises a first bushing, a second bushing and a third bushing which are sequentially overlapped and sleeved, the thickness of the bushing assembly is increased, the protection effect of the crucible is improved, an insulating water pipe is arranged on the third bushing in a surrounding manner, and the technical problems that molten metal penetrates through the bushing to burn the induction coil during casting, the induction coil is difficult to maintain and the like are solved; meanwhile, the replacement cost of the coil, the bush and the like is saved; insulating water pipe one end is equipped with the end of intaking, and the other end is equipped with out the water end, penetrates the electrothermal tube in the intraductal of insulating water pipe, and effectual realization is to the temperature control of crucible.
Furthermore, when the first bushing is sleeved on the crucible, a gap exists between the side wall of the first bushing and the outer wall of the crucible, the gap is provided with a filling unit for ensuring the stability of the crucible at the first bushing, and avoiding the crucible from shaking in the bushing to influence material melting work, wherein the top of the first bushing and the crucible is sealed by water-based silica sol, so that the filling unit is prevented from leaking outwards, and the effect of sealing the filling unit is achieved.
Furthermore, the filling units adopt fine sand which plays a role in heat insulation and avoids the lining from being burnt out.
Furthermore, the distance between the insulating water pipe and the third bushing is 3-5mm, so that the direct contact and damage to the bushing are avoided.
Furthermore, the outer side wall of the insulating water pipe is attached with an insulating layer, so that the insulating effect on the insulating water pipe is achieved.
Furthermore, the insulating water pipe is arranged along the bottom end to the top end of the third lining sleeve in a surrounding mode in sequence, and the control of the overall temperature of the crucible is guaranteed.
Furthermore, the inner capacity and the area of the sleeve body of the first bushing, the second bushing and the third bushing are sequentially increased, so that the first bushing, the second bushing and the third bushing can be sequentially sleeved.
Further, apron and sheath, sheath are used for the cover to establish bush subassembly, insulating water pipe and crucible, have played the guard action to the whole, and the apron passes through the nut to be fixed at the opening part of sheath, and has seted up the round hole on the apron, and the crucible passes through the round hole dress in the bush subassembly, and the apron is convenient for erect whole in shaking the stove.
A crucible is placed in a lining assembly, wherein the lining assembly is formed by three layers in an overlapped mode, the thickness of the lining assembly is increased, meanwhile, the protection effect of the crucible is improved, and the material melting work efficiency is greatly improved.
Furthermore, the first lining, the second lining and the third lining are made of mica materials, the lining is made of special refractory materials, a certain gap is reserved between the lining and the coil, the insulating layer of the induction coil is not touched in the processes of disassembly and assembly, and molten metal is prevented from penetrating through the lining and burning the induction coil. The method is safe and can prolong the service life of the coil and the crucible.
Drawings
FIG. 1 is a schematic structural diagram of a melting device of a vacuum casting furnace according to the present invention;
FIG. 2 is a top view of a melting device of a vacuum melting furnace according to the present invention;
fig. 3 is an enlarged portion of a portion a of fig. 1.
In the figure: 1-a bushing assembly; 2-cover plate; 3-a sheath; 4-an insulated water pipe; 5-a crucible; 6-filler particles; 7-a nut; 11-a first bushing; 12-a second bushing; 13-a third bushing; 41-water inlet end; 42-water outlet end; 43-electric heating tube.
Detailed Description
In order to make the technical solutions of the present invention better understood, 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.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, in an embodiment of the present invention, a melting device for a vacuum casting furnace is provided, which is used for solving the problems of abrasion of an original lining and damage of an insulation layer of an induction coil; the technical problems that the induction coil is burnt and damaged by molten metal penetrating through the lining in pouring, the maintenance difficulty of the induction coil is high and the like are solved; meanwhile, the replacement cost of the coil, the bushing and the like is saved.
Specifically, the melting device of the vacuum casting furnace comprises a lining component 1, an insulating water pipe 4 and a crucible 5; the bushing assembly 1 is sleeved on the crucible 5, wherein the bushing assembly 1 comprises a first bushing 11, a second bushing 12 and a third bushing 13; the first bushing 11 is sleeved on the crucible 5, the second bushing 12 is sleeved on the first bushing 11, and the third bushing 3 is sleeved on the second bushing 12;
the insulating water pipe 5 is arranged on the third lining 3 in a surrounding manner; wherein, insulating water pipe 5 one end is equipped with into water end, and the other end is equipped with out water end 42, the intraductal electrothermal tube 43 that penetrates of insulating water pipe 5 for carry out heating control to crucible 5, as shown in figure 3, when the temperature of electrothermal tube 43 rose, adjust the temperature through letting in cold water in insulating water pipe 5, realize the temperature control to crucible 5.
Specifically, when the first bushing 11 is sleeved on the crucible 5, a gap exists between the side wall of the first bushing 11 and the outer wall of the crucible 5, the gap is provided with a filling unit 6 for ensuring the stability of the crucible 5 at the first bushing 11, wherein the filling unit 6 adopts fine sand.
Specifically, the distance between the insulating water pipe 5 and the third lining 3 is 3-5 mm.
Specifically, an insulating layer is attached to the outer side wall of the insulating water pipe 5.
Specifically, the insulating water pipes 5 are sequentially arranged around the third liner 3 from the bottom end to the top end thereof.
Specifically, the inner capacity area of the sleeve body of the first bushing 11, the second bushing 12 and the third bushing 13 is sequentially increased, the bottom of the bushing is a bearing part to prevent the crucible from collapsing, the thickness of the bushing is 20mm, the switching part is an inner R10, the bottom of the conformal crucible is convenient for the crucible to contact in a large area, the wall of the bushing is 8mm thick, and the molten metal is prevented from penetrating through the bushing.
Specifically, as shown in fig. 2, the invention further comprises a cover plate 2 and a sheath 3, wherein the sheath 3 is used for sleeving the bushing assembly 1, the insulating water pipe 4 and the crucible 5, and two ends of the insulating water pipe 4 respectively penetrate through the sheath 3; the cover plate 2 is fixed at the opening of the sheath 3 through a nut 7, a round hole is formed in the cover plate 2, and the crucible 5 is arranged in the bushing assembly 1 through the round hole.
The invention also provides a use method of the melting device of the vacuum casting furnace, and the melting device of the vacuum casting furnace based on the invention comprises the following steps:
placing a crucible 5 in a bushing assembly 1, wherein the bushing assembly 1 is formed by overlapping and sleeving a first bushing 11, a second bushing 12 and a third bushing 13, a gap exists between the first bushing 11 and the crucible 5, and 200-mesh fine sand is filled in the gap to ensure that the crucible is stable in the bushing;
the insulating water pipe 5 is sleeved and surrounded on the third lining 13, so that a safety gap is reserved between the outer wall of the third lining 13 and the insulating layer of the insulating water pipe 5;
placing a material melting substance in the crucible 5 for melting, wherein the material melting substance can adopt a quantitative mother alloy, and the temperature of the crucible 5 is controlled by the insulating water pipe 5 and the electric heating pipe 43 in the insulating water pipe 5;
after the furnace door is vacuumized to a certain degree, the power is increased to melt the master alloy;
after the pouring temperature is detected, raising the formwork heated to the specified temperature, and pouring molten metal melted in the crucible into the formwork by a rocking furnace;
breaking the vacuum of the casting mold chamber, picking out the cast shell, closing the door and vacuumizing. Breaking the vacuum of the feeding chamber, repeatedly adding the master alloy material rod, heating and pouring;
when the service life cycle of the crucible is reached, the crucible can be replaced quickly only by detaching and replacing the crucible independently.
Specifically, the first bushing 11, the second bushing 12 and the third bushing 13 are all made of mica, and a prefabricated crucible can be directly placed in the first bushing; the inner diameter and the outer dimension are fixed, and the problems of deformation, abrasion and the like caused in the mounting and dismounting processes are avoided; and because the lining is made of special refractory material and a certain gap is reserved between the lining and the coil, the lining does not touch the insulating layer of the induction coil in the processes of disassembly and assembly, and the phenomenon that molten metal penetrates through the lining and burns the induction coil is avoided. The method is safe and can prolong the service life of the coil and the crucible.
Example 1
ALD vacuum casting furnace
1) A special blanking die is adopted to form the special mica bushing component 1 with the load of 20Kg in one step.
2) The formed crucible with equal wall thickness is placed in a special mica lining, and fine sand of 200 meshes is filled in the peripheral gap, so that the stability of the crucible in the lining is ensured.
3) The crucible with the bush is integrally locked and arranged in the shaking furnace, so that a safety gap is reserved between the outer wall of the bush and the insulating layer of the insulating water pipe 5.
4) Preparing for melting, putting a certain amount of mother alloy in a crucible, closing a furnace door, vacuumizing to a certain degree, and then starting to melt the material with increased power.
5) And after the pouring temperature is detected, raising the mold shell baked to the specified temperature, and pouring molten metal melted in the crucible into the mold shell by a rocking furnace.
6) Breaking the vacuum of the casting mold chamber, picking out the cast shell, closing the door and vacuumizing. Breaking the vacuum of the feeding chamber, repeatedly adding the master alloy material rod, heating and pouring.
7) When the service life cycle of the crucible is reached, the crucible can be quickly replaced only by disassembling and replacing the crucible.
Example 2
25Kg vacuum casting furnace
1) A special blanking die is adopted to form a special mica bushing component with the load of 25Kg in one step.
2) The formed crucible with equal wall thickness is placed in a special mica lining, and fine sand of 200 meshes is filled in the peripheral gap, so that the stability of the crucible in the lining is ensured.
3) The crucible with the bush is integrally locked and arranged in the shaking furnace, so that a safety gap is reserved between the outer wall of the bush and the coil insulating layer.
4) Preparing for melting, putting a certain amount of mother alloy in a crucible, closing a furnace door, vacuumizing to a certain degree, and then starting to melt the material with increased power.
5) And after the pouring temperature is detected, raising the mold shell roasted to the specified temperature, and pouring molten metal melted in the crucible into the mold shell by rocking the furnace.
6) Breaking the vacuum of the casting mold chamber, picking out the cast shell, closing the door and vacuumizing. Breaking the vacuum of the feeding chamber, repeatedly adding the master alloy material rod, heating and pouring.
7) When the service life cycle of the crucible is reached, the crucible can be quickly replaced only by disassembling and replacing the crucible.
In conclusion, the device and the method provided by the invention can meet the requirement of long-term stable use of the whole crucible and the bushing, effectively solve the problems of friction, deformation and damage of the induction coil in the bushing installation process, prolong the service life of the bushing, and effectively solve the technical problems of burning loss of the induction coil, high maintenance difficulty and high maintenance cost of the induction coil and the like caused by molten metal penetrating through the bushing. The service life and the operation safety of the lining are greatly improved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (10)
1. A melting device of a vacuum casting furnace is characterized by comprising a lining component (1), an insulating water pipe (4) and a crucible (5); the bushing assembly (1) is sleeved on the crucible (5), wherein the bushing assembly (1) comprises a first bushing (11), a second bushing (12) and a third bushing (13); the first bushing (11) is sleeved on the crucible (5), the second bushing (12) is sleeved on the first bushing (11), and the third bushing (3) is sleeved on the second bushing (12);
the insulating water pipe (5) is arranged on the third lining (3) in a surrounding manner; wherein, insulating water pipe (5) one end is equipped with into water end, and the other end is equipped with out water end (42), the intraductal electrothermal tube (43) that penetrates of insulating water pipe (5) for carry out heating control to crucible (5), when the temperature rise of electrothermal tube (43), let in cold water through in insulating water pipe (5) and carry out the thermoregulation, realize the temperature control to crucible (5).
2. The melting apparatus of claim 1, wherein when the first bushing (11) is fitted over the crucible (5), a gap exists between the side wall of the first bushing (11) and the outer wall of the crucible (5), and the gap is provided with a filling unit (6) for ensuring the stability of the crucible (5) at the first bushing (11), wherein the filling unit is sealed with water-based silica sol at the top of the first bushing (11) and the crucible (5).
3. Melting device of vacuum melting and casting furnace according to claim 2, characterized in that the filling unit (6) uses fine sand.
4. The melting device of vacuum melting and casting furnace as claimed in claim 1, characterized in that the distance between the insulating water pipe (5) and the third bushing (3) is 3-5 mm.
5. The melting device of vacuum melting and casting furnace as claimed in claim 1, wherein an insulating layer is attached to the outer side wall of the insulating water pipe (5).
6. The melting device of vacuum melting and casting furnace as claimed in claim 1, characterized in that the insulating water pipe (5) is arranged in turn around from bottom to top of the third bushing (3).
7. The melting device of a vacuum melting and casting furnace as claimed in claim 1, wherein the first bush (11), the second bush (12) and the third bush (13) are arranged with their internal volume areas increasing in sequence.
8. The melting device of the vacuum melting and casting furnace as claimed in claim 1, further comprising a cover plate (2) and a sheath (3), wherein the sheath (3) is used for sleeving the bushing assembly (1), the insulating water pipe (4) and the crucible (5), and two ends of the insulating water pipe (4) respectively penetrate through the sheath (3); the cover plate (2) is fixed at the opening of the sheath (3) through a nut (7), a round hole is formed in the cover plate (2), and the crucible (5) is arranged in the bushing assembly (1) through the round hole.
9. Use method of melting device of vacuum casting furnace, based on any one of claims 1-8, characterized by comprising the following steps:
the crucible (5) is placed in the bushing assembly (1), wherein the bushing assembly (1) is formed by overlapping and sleeving a first bushing (11), a second bushing (12) and a third bushing (13), a gap exists between the first bushing (11) and the crucible (5), and 200-mesh fine sand is filled in the gap to ensure that the crucible is stable in the bushing;
the insulating water pipe (5) is sleeved and surrounded on the third lining (13), so that a safety gap is reserved between the outer wall of the third lining (13) and the insulating layer of the insulating water pipe (5);
the melting material is placed in the crucible (5) to carry out melting work, and the temperature of the crucible (5) is controlled by the insulating water pipe (5) and the electric heating pipe (43) in the insulating water pipe (5).
10. Use method of melting device of vacuum melting and casting furnace according to claim 9, characterized in that the material of the first bushing (11), the second bushing (12) and the third bushing (13) is mica.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111535205.6A CN114184041A (en) | 2021-12-15 | 2021-12-15 | Melting device of vacuum casting furnace and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111535205.6A CN114184041A (en) | 2021-12-15 | 2021-12-15 | Melting device of vacuum casting furnace and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114184041A true CN114184041A (en) | 2022-03-15 |
Family
ID=80543986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111535205.6A Pending CN114184041A (en) | 2021-12-15 | 2021-12-15 | Melting device of vacuum casting furnace and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114184041A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB937213A (en) * | 1961-04-14 | 1963-09-18 | Wild Barfield Ltd | Crucible arrangements in induction furnaces |
| CN2358419Y (en) * | 1998-12-01 | 2000-01-12 | 赵文厚 | Composite electric induction furnace lining |
| CN206094898U (en) * | 2016-10-17 | 2017-04-12 | 广州纳联材料科技有限公司 | Smelting furnace |
| CN207999937U (en) * | 2018-03-04 | 2018-10-23 | 郑州大学 | Multilayer water pipe inductance type water heater |
| CN110567270A (en) * | 2019-08-26 | 2019-12-13 | 贵州安吉航空精密铸造有限责任公司 | Molten metal casting smelting system and installation method thereof |
| CN210036250U (en) * | 2019-03-27 | 2020-02-07 | 株洲鑫阳热处理设备有限公司 | Insulating and heat-insulating structure of vertical induction heating high-temperature furnace |
| CN211744778U (en) * | 2020-05-13 | 2020-10-23 | 东莞市尚毅节能科技有限公司 | Closed electromagnetic induction heating device with copper pipe arranged in solid protective sleeve |
| CN214331220U (en) * | 2021-01-18 | 2021-10-01 | 潍坊中加碳化硅科技有限公司 | Silicon carbide bushing |
-
2021
- 2021-12-15 CN CN202111535205.6A patent/CN114184041A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB937213A (en) * | 1961-04-14 | 1963-09-18 | Wild Barfield Ltd | Crucible arrangements in induction furnaces |
| CN2358419Y (en) * | 1998-12-01 | 2000-01-12 | 赵文厚 | Composite electric induction furnace lining |
| CN206094898U (en) * | 2016-10-17 | 2017-04-12 | 广州纳联材料科技有限公司 | Smelting furnace |
| CN207999937U (en) * | 2018-03-04 | 2018-10-23 | 郑州大学 | Multilayer water pipe inductance type water heater |
| CN210036250U (en) * | 2019-03-27 | 2020-02-07 | 株洲鑫阳热处理设备有限公司 | Insulating and heat-insulating structure of vertical induction heating high-temperature furnace |
| CN110567270A (en) * | 2019-08-26 | 2019-12-13 | 贵州安吉航空精密铸造有限责任公司 | Molten metal casting smelting system and installation method thereof |
| CN211744778U (en) * | 2020-05-13 | 2020-10-23 | 东莞市尚毅节能科技有限公司 | Closed electromagnetic induction heating device with copper pipe arranged in solid protective sleeve |
| CN214331220U (en) * | 2021-01-18 | 2021-10-01 | 潍坊中加碳化硅科技有限公司 | Silicon carbide bushing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101240029B1 (en) | Launder for casting molten copper | |
| CN103994663B (en) | A kind of method extending medium-frequency induction furnace lining durability | |
| JP4585606B2 (en) | Continuous casting method and nozzle heating device | |
| CN101829770A (en) | System for centrifugally casting high-activity titanium | |
| CN106705649A (en) | Industrial vacuum smelting furnace | |
| CN102020411A (en) | Induction heating type nonmetal smelting method and system used thereby | |
| CN205980761U (en) | Heat preservation smelting furnace for low pressure | |
| JPH0118827B2 (en) | ||
| CN204594214U (en) | Rectilinear dipping is molten protects all-in-one oven | |
| CN114184041A (en) | Melting device of vacuum casting furnace and using method thereof | |
| CN212870727U (en) | Intermediate frequency induction melting furnace capable of improving melting efficiency | |
| CN104985167B (en) | Casting, draining insulation chute | |
| CN205382196U (en) | Zinc -tin vacuum distillation stove | |
| CN206556422U (en) | A kind of type of heat silk fixing protector | |
| CN204718378U (en) | A kind of coreless induction furnace | |
| CN203785439U (en) | High frequency induction smelter for flammable metal | |
| CN106232265A (en) | Casting ladle heater | |
| CN204923852U (en) | Energy -conserving smelting furnace of high -efficient response | |
| CN206362176U (en) | Molten zinc holding furnace | |
| CN206019306U (en) | The distillatory smelting furnace of continuous vacuum | |
| CN213002553U (en) | Heating pipe and heating device of die casting machine | |
| CN217465336U (en) | High-efficient safe smelting pot | |
| CN206638024U (en) | A kind of improved electric magnetic induction aluminium melting furnace | |
| CN104390470A (en) | Heating pipe and installation method thereof | |
| CN202083215U (en) | Crucible base for large lead smelting coreless induction furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |