CN220270056U - Crucible assembly for electron beam melting furnace - Google Patents
Crucible assembly for electron beam melting furnace Download PDFInfo
- Publication number
- CN220270056U CN220270056U CN202321509529.7U CN202321509529U CN220270056U CN 220270056 U CN220270056 U CN 220270056U CN 202321509529 U CN202321509529 U CN 202321509529U CN 220270056 U CN220270056 U CN 220270056U
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- CN
- China
- Prior art keywords
- crucible
- electron beam
- melting furnace
- beam melting
- crucible assembly
- 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.)
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- 238000002844 melting Methods 0.000 title claims abstract description 31
- 230000008018 melting Effects 0.000 title claims abstract description 31
- 238000010894 electron beam technology Methods 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 description 14
- 229910052715 tantalum Inorganic materials 0.000 description 6
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Landscapes
- Crucibles And Fluidized-Bed Furnaces (AREA)
Abstract
The utility model provides a crucible assembly for an electron beam melting furnace, which comprises a crucible, a crucible chamber and a circulating water cooling chamber which are concentrically arranged from top to bottom in sequence; a sealing disc is arranged between the crucible chamber and the circulating water cooling chamber; at least two lifting hooks are arranged on the upper surface of the sealing disc; the lifting hook comprises a lifting hook body and a locking card; the locking card is arranged at the opening of the lifting hook body; the top of the locking card is in contact connection with the lifting hook body; the bottom of the locking card is movably connected with the lifting hook body through a bearing. The crucible assembly provided by the utility model has good safety, stability and accuracy, strong operability and can be industrially applied.
Description
Technical Field
The utility model relates to the technical field of electron beam melting, in particular to a crucible assembly for an electron beam melting furnace.
Background
An electron beam melting furnace is a vacuum melting device, and the principle is that a huge kinetic energy of an electron beam is accelerated by an electric field to impact a metal furnace charge, so that the kinetic energy is converted into heat energy to melt metal. The electron beam gun is a high temperature heat source, and the temperature of the beam spot can even exceed the melting temperature and the volatilization temperature of all metals, so the electron beam melting process is mainly used for producing refractory materials or active metals (such as tantalum, niobium, molybdenum, tungsten, vanadium, hafnium, zirconium, titanium and the like) and alloys thereof. Taking tantalum as an example, an electron beam melting furnace is used for purifying and smelting tantalum, and the tantalum material is melted and dripped into a crucible assembly through bombardment of electron beams so as to be solidified into tantalum ingots, and the crucible assembly plays an important role of collecting and cooling tantalum liquid.
CN202066346U discloses a multifunctional water-cooled copper crucible for electron beam melting, which is formed by fixedly connecting an upper plate and a chassis, wherein the upper plate is provided with a concave flat plate melting cavity, the outer edge of the flat plate melting cavity forms a side plate of the upper plate, one side of a bottom plate of the flat plate melting cavity is concave and provided with an arc melting cavity, and a cooling water flow channel is arranged in the chassis.
CN211227277U discloses a crucible structure of electron beam melting furnace, including furnace body, electron beam, two switch crucible parts, the electron beam sets up in the furnace body, is fixed in on the interior roof of furnace body and smelt the end vertical downwards, two switch crucible parts symmetry is installed in the bottom in the furnace body, and two switch crucible parts are the left side and the right side that the structure is the same and symmetry set up in the furnace body to can accomplish the alloy smelting in two crucibles through once material loading.
The crucible can be used for electron beam melting, but in actual use, the crucible assembly is deformed due to the influence of high temperature, abrasion is also caused, and the crucible assembly with different specifications is required to be used for melting and purifying cast ingots with different specifications, so that the crucible assembly needs to be replaced according to actual needs.
At present, the existing replacing method of the crucible assembly comprises the following steps: the hanging strip is wound around the middle part of the outer side wall of the crucible assembly, and then is hoisted. However, as the outer surface of the crucible assembly is smooth, the risk that the hanging strip falls off exists in the hoisting process, equipment is extremely likely to be smashed or workers are injured, the hoisting stability is difficult to ensure, the precision requirement during installation cannot be met, the vacuum leakage easily occurs, the vacuum degree cannot meet the smelting requirement, and the production safety is seriously influenced.
Therefore, how to improve the stability, accuracy and safety of the crucible assembly during lifting is a problem to be solved at present.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a crucible assembly for an electron beam melting furnace, which can be lifted by adopting a lifting hook, so that the problem that a lifting belt is easy to fall off in the existing replacement method is solved, the stability and safety of the crucible can be maintained in the lifting process, the installation precision of the crucible is ensured, and the operation efficiency is improved.
To achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a crucible assembly for an electron beam melting furnace, which comprises a crucible, a crucible chamber and a circulating water cooling chamber which are concentrically arranged in sequence from top to bottom;
a sealing disc is arranged between the crucible chamber and the circulating water cooling chamber;
at least two lifting hooks are arranged on the upper surface of the sealing disc;
the lifting hook comprises a lifting hook body and a locking card;
the locking card is arranged at the opening of the lifting hook body;
the top of the locking card is in contact connection with the lifting hook body;
the bottom of the locking card is movably connected with the lifting hook body through a bearing.
The upper surface of the sealing disc is provided with at least two hooks, which may be for example 2, 3 or 4, but are not limited to the values listed, other values not listed in the range of values being equally applicable.
According to the crucible assembly, the hanging strip can penetrate through the hanging hook to achieve hanging of the crucible assembly, and the hanging strip can be prevented from falling off from the hanging hook in the hanging process through the locking card, compared with a method for hanging the outer side wall of the crucible by the hanging strip, the method for hanging the outer side wall of the crucible by the hanging strip has the advantages that safety accidents and equipment faults are reduced, production safety is guaranteed, hanging accuracy is higher, operability is higher, and production efficiency is greatly improved.
Preferably, the bottom of the lifting hook body is connected with a circular lifting lug.
Preferably, the bottom of the lifting lug is provided with an opening.
Preferably, the upper surface of the sealing disc is provided with a protrusion.
Preferably, the protrusion is inserted into the opening of the lifting lug and fixedly connected with the lifting lug.
According to the utility model, the protrusion is inserted into the opening of the lifting lug, and the protrusion is fixedly connected with the opening in a welding manner, so that the contact area between the lifting lug and the sealing disc can be increased, the stress is more uniform, and the welding firmness is improved.
Preferably, the hooks are symmetrically arranged in the circumferential direction of the sealing disc.
According to the utility model, the lifting hooks are symmetrically arranged in the circumferential direction of the sealing disc, so that the safety, stability and accuracy of lifting can be further improved.
Preferably, the lower part of the circulating water cooling chamber is provided with a water inlet.
Preferably, a water outlet is arranged at the lower part of the circulating water cooling chamber.
In the utility model, the crucible can be further cooled by arranging the water inlet and the water outlet.
Preferably, a base is arranged at the bottom of the circulating water cooling chamber.
Preferably, the base is provided with at least two hydraulic bolts, for example, 2, 3 or 4 hydraulic bolts, but not limited to the listed data, and other non-listed values in the numerical range are equally applicable.
Compared with the prior art, the utility model has the beneficial effects that:
according to the crucible assembly, the hanging strip can penetrate through the hanging hook to achieve hanging of the crucible assembly, and the hanging strip can be prevented from falling off from the hanging hook in the hanging process through the locking card, compared with a method for hanging the outer side wall of the crucible by the hanging strip, the method for hanging the outer side wall of the crucible by the hanging strip has the advantages that safety accidents and equipment faults are reduced, production safety is guaranteed, hanging accuracy is higher, operability is higher, and production efficiency is greatly improved.
Drawings
FIG. 1 is a schematic view of a crucible assembly according to the present utility model.
In the figure: 1-a crucible; 2-a crucible chamber; 3-a circulating water cooling chamber; 4-sealing a disc; 5-a hook body; 6-locking the card; 7-lifting lugs; 8-a base; 9-hydraulic bolt.
Detailed Description
The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.
The present utility model will be described in further detail below. The following examples are merely illustrative of the present utility model and are not intended to represent or limit the scope of the utility model as defined in the claims.
It is to be understood that in the description of the present utility model, 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 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 are not to 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.
It should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
It will be appreciated by those skilled in the art that the present utility model necessarily includes the necessary piping, conventional valves and general pumping equipment for achieving the process integrity, but the foregoing is not a major inventive aspect of the present utility model, and that the present utility model is not particularly limited thereto as the layout may be added by themselves based on the process flow and the equipment configuration options.
Example 1
The embodiment provides a crucible assembly for electron beam melting furnace, its structure schematic diagram is as shown in fig. 1, the crucible assembly includes crucible 1, crucible room 2 and the circulating water cooling room 3 that from top to bottom set gradually concentric, be provided with sealed disc 4 between crucible room 2 and the circulating water cooling room 3, sealed disc 4's upper surface is provided with 4 lifting hooks, the lifting hook includes lifting hook body 5 and locking card 6, locking card 6 set up in the opening part of lifting hook body 5, the top and the lifting hook body 5 contact connection of locking card 6, the bottom of locking card 6 is through bearing and lifting hook body 5 swing joint, the bottom of lifting hook body 5 is connected with annular lug 7, the bottom of lug 7 is provided with the opening, sealed disc 4's upper surface is provided with the arch, the arch inserts in the opening of lug 7 and with lug 7 fixed connection, the lifting hook is provided with the circumferencial direction symmetry of sealed disc 4, the lower part of circulating water cooling room 3 is provided with the water inlet, the lower part of circulating water cooling room 3 is provided with the delivery port, the bottom of circulating water cooling room 3 is provided with water cooling room 5 swing joint, the bottom 8 is provided with two hydraulic pressure base 8, 8 are provided with on the base.
The crucible assembly provided by the embodiment adopts the hanging belt to penetrate through the lifting hook, the opening of the lifting hook is closed through the locking card 6, and then the lifting is carried out.
Example 2
The embodiment provides a crucible assembly for electron beam melting furnace, the crucible assembly includes from top to bottom concentric crucible, crucible room and circulating water cooling room that sets gradually, be provided with sealed disc between crucible room and the circulating water cooling room, sealed disc's upper surface is provided with 2 lifting hooks, the lifting hook includes lifting hook body and locking card, locking card set up in the opening part of lifting hook body, the top and the lifting hook body contact connection of locking card, the bottom of locking card is through bearing and lifting hook body swing joint, the bottom of lifting hook body is connected with ring-shaped lug, the bottom of lug is provided with the opening, sealed disc's upper surface is provided with the arch, the arch inserts in the opening of lug and with lug fixed connection, the lifting hook is provided with the water inlet at sealed disc's circumferencial direction symmetry, circulating water cooling room's lower part is provided with the delivery port, circulating water cooling room's bottom is provided with the base, be provided with two hydraulic pressures on the base.
The crucible assembly provided by the embodiment adopts the hanging belt to penetrate through the lifting hook, the opening of the lifting hook is closed through the locking clamping piece, and then the lifting is carried out.
Comparative example 1
This comparative example provides a crucible assembly differing from example 1 only in that no hooks are provided, and a sling is used to wind around the middle of the outer sidewall of the crucible assembly, and then lifting is performed.
Compared with comparative example 1, the crucible assembly provided in embodiment 1 can effectively avoid the hanging strip from falling off in the hoisting process, avoid smashing equipment or smashing workers, has good stability and accuracy in the hoisting process, and can remarkably improve the working efficiency.
In conclusion, the crucible assembly provided by the utility model has good safety, stability and accuracy, and strong operability, and can be industrially applied.
The applicant declares that the above is only a specific embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and it should be apparent to those skilled in the art that any changes or substitutions that are easily conceivable within the technical scope of the present utility model disclosed by the present utility model fall within the scope of the present utility model and the disclosure.
Claims (10)
1. The crucible assembly for the electron beam melting furnace is characterized by comprising a crucible, a crucible chamber and a circulating water cooling chamber which are concentrically arranged from top to bottom in sequence;
a sealing disc is arranged between the crucible chamber and the circulating water cooling chamber;
at least two lifting hooks are arranged on the upper surface of the sealing disc;
the lifting hook comprises a lifting hook body and a locking card;
the locking card is arranged at the opening of the lifting hook body;
the top of the locking card is in contact connection with the lifting hook body;
the bottom of the locking card is movably connected with the lifting hook body through a bearing.
2. The crucible assembly for an electron beam melting furnace of claim 1 wherein the bottom of the hook body is connected with a circular shackle.
3. The crucible assembly for an electron beam melting furnace of claim 2 wherein the bottom of the lifting lug is provided with an opening.
4. A crucible assembly for an electron beam melting furnace as claimed in claim 3 wherein the upper surface of the sealing disc is provided with a protrusion.
5. The crucible assembly for an electron beam melting furnace of claim 4 wherein the boss is inserted into the opening of the shackle and fixedly connected thereto.
6. The crucible assembly for an electron beam melting furnace of claim 1 wherein the hooks are symmetrically disposed about the circumference of the sealing disk.
7. The crucible assembly for an electron beam melting furnace of claim 1 wherein a lower portion of the circulating water cooling chamber is provided with a water inlet.
8. The crucible assembly for an electron beam melting furnace of claim 1 wherein a lower portion of the circulating water cooling chamber is provided with a water outlet.
9. The crucible assembly for an electron beam melting furnace of claim 1 wherein a base is provided at a bottom of the circulating water cooling chamber.
10. The crucible assembly for an electron beam melting furnace of claim 9 wherein the base has at least two hydraulic pins disposed thereon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321509529.7U CN220270056U (en) | 2023-06-13 | 2023-06-13 | Crucible assembly for electron beam melting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321509529.7U CN220270056U (en) | 2023-06-13 | 2023-06-13 | Crucible assembly for electron beam melting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220270056U true CN220270056U (en) | 2023-12-29 |
Family
ID=89317226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321509529.7U Active CN220270056U (en) | 2023-06-13 | 2023-06-13 | Crucible assembly for electron beam melting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220270056U (en) |
-
2023
- 2023-06-13 CN CN202321509529.7U patent/CN220270056U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |