CN206959580U - It is a kind of to reclaim vacuum consumable smelting stove from feed formula Ti 6AL 4V blocks - Google Patents
It is a kind of to reclaim vacuum consumable smelting stove from feed formula Ti 6AL 4V blocks Download PDFInfo
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- CN206959580U CN206959580U CN201720947579.1U CN201720947579U CN206959580U CN 206959580 U CN206959580 U CN 206959580U CN 201720947579 U CN201720947579 U CN 201720947579U CN 206959580 U CN206959580 U CN 206959580U
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- making clothes
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Abstract
It is a kind of to reclaim vacuum consumable smelting stove from feed formula Ti 6AL 4V blocks, including：Electrode stem, vacuum system, furnace shell, auxiliary electrode, female electrode, water-cooled red copper crucible, electric arc, molten bath, closure, 1 charging gear, it is characterised in that：Opposite side access charging gear above the furnace shell, the charging gear top sets closure, bottom is installed by feed hopper, first is provided with the feed hopper magnetic valve is installed to material for making clothes storehouse bottom to material for making clothes storehouse and the 4th to material for making clothes storehouse, the 3rd to material for making clothes storehouse, second to material for making clothes storehouse, described first to material for making clothes storehouse and the 4th to material for making clothes storehouse, the 3rd to material for making clothes storehouse, second.The utility model eliminates the step of welding block to electrode, and solder joint caused by welding, improves quality and yield rate when reducing recovery TC4 titanium alloy blocks.During process operation, 5 pieces of blocks are disposably added, reduce operational sequence and blow-on number, save the process that intermediate steps vacuumize again, improve operating efficiency.
Description
Technical field
The utility model belongs to metal recovery field, is related to titanium alloy recovery vacuum consumable smelting stove, and in particular to a kind of
From feed formula Ti-6AL-4V blocks recovery vacuum consumable smelting stove.
Background technology
The nominal chemical composition that Ti-6Al-4V is titanium alloy trade mark TC4 is expressed, its main component：Al：5.5%-
6.75%, V：3.5%-4.5%, surplus Ti.Due to its heat resistance, intensity, plasticity, toughness, formability, solderability, resistance to
Corrosion and biocompatibility are preferable, and as the trump alloy in titanium alloy industry, the alloy usage amount has accounted for whole titaniums and closed
The 75%~85% of gold.Yet with the processing characteristic of titanium alloy, complex manufacturing, work flow length, yield rate is low to be caused
The block maimed material of a large amount of titanium alloys can be produced in process, therefore is reapplied after deploying recycling to it, with regard to section can be reached
About resource, reduce the purpose of cost.
Current TC4 titanium alloy recovery methods are divided into seven steps：1st, the block of recovery is welded into electrode；2nd, the electricity that will be welded
Welded with auxiliary electrode pole；3rd, the melting in consumable electrode vacuum furnace by the electrode being welded, an ingot is made；4th, melting polylith is repeated
Ingot；5th, by a several ingot butt welding, then weld on auxiliary electrode, second of continuation, come out of the stove as secondary ingot；6th, the is repeated
5 steps, reach quality of finished until going out ingot；7th, strip off the skin sampling after cooling down.
Traditional TC4 titanium alloys recovery method does not carry out Effective selection, and block alloy examination is not in place, is mixed with other boards
Number alloy block, cause to reclaim ingot casting off analysis；Numerous solder joints are had when block is welded into electrode, this can be deposited to changing ingot
Greatly endangering；And it is only that block is simply welded with tungsten argon arc welding method, this welding method can cause titanium
It is miscellaneous that alloy pig contains tungsten clip, and because block is surface-treated not in place, low-density element N, O be present and be mingled with；Reclaim process
In not only need multiple welding recovery block and electrode, also need to remove consumable electrode vacuum furnace and electrode therein with block ingot progress multistep
The operation such as fortune, efficiency is low, and with certain risk, easily causes semi-finished product damage, yield rate further reduces.
Retracting device used in current TC4 titanium alloys is relatively simple, as shown in Fig. 2 conventional conventional vacuum consumable melts
Using electrode stem and female electrode as core, periphery parcel is reclaimed in process, it is necessary to repeatedly will furnace with vacuum system and furnace shell
Titanium alloy block ingot and female electrode welding, an ingot are directly welded to one another with female electrode welding and an ingot, produce multiple solder joints,
Have a negative impact to changing ingot, have a strong impact on the quality of finished product, improve percent defective.
Utility model content
For above technical problem, this is using new goal of the invention：There is provided a kind of from feed formula Ti-6AL-4V blocks
Vacuum consumable smelting stove is reclaimed, TC4 titanium alloy block ingots is removed in removal process, tungsten clip is miscellaneous in recovery ingot casting and low-density is first
Plain N, O impurity；Solder joint is greatly decreased, prevents the harm to caused by changing ingot of more solder joints, improves quality of finished；Reduce recovery block ingot
Operational sequence, improve processing efficiency.
To realize above goal of the invention, technical solution adopted in the utility model is：
It is a kind of to reclaim vacuum consumable smelting stove from feed formula Ti-6AL-4V blocks, including：Electrode stem (1), the electrode stem
(1) female electrode (5), the electrode stem (1), auxiliary electricity are welded in lower section connection auxiliary electrode (4), auxiliary electrode (4) lower section
Pole (4) and female electrode (5) periphery, which surround, furnace shell (3), and the bottom of the furnace shell (3) is molten bath (8), above the molten bath (8)
For water-cooled red copper crucible (6), the upper side access vacuum system (2) of the furnace shell (3), it is characterised in that：The furnace shell (3)
Top opposite side access charging gear (10), charging gear (10) top set closure (9), bottom installation feed hopper
(11) first, is provided with the feed hopper to material for making clothes storehouse (111), second to material for making clothes storehouse (112), the 3rd to material for making clothes storehouse (113)
Material for making clothes storehouse (114) are given with the 4th, described first gives material for making clothes storehouse (113) to material for making clothes storehouse (111), second to material for making clothes storehouse (112), the 3rd
Magnetic valve is installed to material for making clothes storehouse (114) bottom with the 4th.
Further, as improvement of the present utility model, it is characterised in that：Described first gives to material for making clothes storehouse (111), second
Material for making clothes storehouse (112), the 3rd are cylinder to material for making clothes storehouse (114) to material for making clothes storehouse (113) and the 4th.
The utility model takes above technical scheme, when reclaiming TC4 titanium alloy blocks, is first spread in water-cooled red copper crucible bottom
Upper 100kg blocks, and respectively add 100kg blocks in 4 feed hoppers in charging gear.The rear starting the arc is vacuumized first to melt, will
The block of water-cooled red copper crucible bottom is melted, and is then opened first by magnetic valve and is given material for making clothes storehouse, is dropped naturally furnace chamber in block
After interior, continue the starting the arc and melt, the block that its complete excess-three of melting is given in material for making clothes storehouse by that analogy.
By above step, the step of welding block to electrode is not only eliminated, while eliminates one defective material of welding and block
The process of material, solder joint caused by welding, improves quality and yield rate when greatly reducing recovery TC4 titanium alloy blocks.Meanwhile
During process operation, 5 pieces of blocks are disposably added, reduce operational sequence, blow-on number is reduced, saves intermediate steps and take out again
The process of vacuum, operating efficiency is improved, reduce consumption.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is prior art vacuum consumable smelting furnace structure schematic diagram.
In figure：1- electrode stems；2- vacuum systems；3- furnace shells；4- auxiliary electrodes；Mother's 5- electrode；6- water-cooled red copper crucibles；7-
Electric arc；8- molten baths；9- closures；10- charging gears；11- feed hoppers；The block maimed material of 12-；13- magnetic valves；111- first gives
Material for making clothes storehouse；112- second gives material for making clothes storehouse；113- the 3rd gives material for making clothes storehouse；114- the 4th gives material for making clothes storehouse.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described further：
As shown in Figure 1：A kind of feed formula Ti-6AL-4V block retracting devices certainly, including：Electrode stem 1, the electrode stem 1
Lower section connects auxiliary electrode 4, and female electrode 5, the electrode stem 1, auxiliary electrode 4 and female electrode 5 are welded in the lower section of auxiliary electrode 4
Periphery, which surrounds, furnace shell 3, and the bottom of the furnace shell 3 be molten bath 8, is water-cooled red copper crucible 6 above the molten bath 8, the furnace shell 3
Upper side access vacuum system 2, it is characterised in that：The top opposite side access charging gear 10 of furnace shell 3, the feed
The top of device 10 sets closure 9, and bottom installs feed hopper 11, first is provided with to material for making clothes storehouse 111, second in the feed hopper
Material for making clothes storehouse 114 is given to material for making clothes storehouse 113 and the 4th to material for making clothes storehouse the 112, the 3rd, described first gives material for making clothes storehouse to material for making clothes storehouse 111, second
112nd, the 3rd magnetic valve is installed to the bottom of material for making clothes storehouse 114 to material for making clothes storehouse 113 and the 4th.
Further, the improvement as apparatus of the present invention, it is characterised in that：Described first is fed to material for making clothes storehouse 111, second
Sub- storehouse the 112, the 3rd is cylinder to material for making clothes storehouse 114 to material for making clothes storehouse 113 and the 4th.
The utility model takes above technical scheme, when reclaiming TC4 titanium alloy blocks, is first spread in water-cooled red copper crucible bottom
Upper 100kg blocks, and respectively add 100kg blocks in 4 feed hoppers in charging gear.The rear starting the arc is vacuumized first to melt, will
The block of water-cooled red copper crucible bottom is melted, and is then opened first by magnetic valve and is given material for making clothes storehouse, is dropped naturally furnace chamber in block
After interior, continue the starting the arc and melt, the block that its complete excess-three of melting is given in material for making clothes storehouse by that analogy.
By above step, the step of welding block to electrode is not only eliminated, while eliminates one defective material of welding and block
The process of material, solder joint caused by welding, improves quality and yield rate when greatly reducing recovery TC4 titanium alloy blocks.Meanwhile
During process operation, 5 pieces of blocks are disposably added, reduce operational sequence, blow-on number is reduced, saves intermediate steps and take out again
The process of vacuum, operating efficiency is improved, reduce consumption.
The entire protocol of melting includes：
(1) female electrode is put into vacuum consumable smelting stove of the present invention, first spreads 100kg blocks in water-cooled red copper crucible bottom
Material, and respectively add 100kg blocks in 4 feed hoppers in charging gear.
(2) furnace chamber and feed hopper are vacuumized, when vacuum reaches 3Pa from arc melting, about molten 20kg when, can be by 100kg
Block is all wrapped up.Then current interruption, tripping operation, cool down 5 minutes, lift female electrode and leave water-cooled red copper crucible.Beaten by magnetic valve
Open feed bin A, when block is dropped in furnace chamber naturally, continue the starting the arc, then during melting about 20kg, current interruption again, tripping operation.With this
Analogize the block in its complete excess-three feed hopper of melting.
(3) solution in furnace chamber is come out of the stove after cooling down 3 hours.About 600kg ingot casting is obtained, to three 600kg ingot castings
Plasma argon arc weldering welding is carried out, forms 1800kg electrode.Continuous smelting twice, obtains about 1800kg's again
Ti-6Al-4V ingot castings.
(4) ingot casting stripped off the skin, detected a flaw, sampled, warehousing after passing.
Claims (2)
1. it is a kind of from feed formula Ti-6AL-4V block recovery vacuum consumable smelting stoves, including：Electrode stem (1), the electrode stem
(1) female electrode (5), the electrode stem (1), auxiliary electricity are welded in lower section connection auxiliary electrode (4), auxiliary electrode (4) lower section
Pole (4) and female electrode (5) periphery, which surround, furnace shell (3), and the bottom of the furnace shell (3) is molten bath (8), above the molten bath (8)
For water-cooled red copper crucible (6), the upper side access vacuum system (2) of the furnace shell (3), it is characterised in that：The furnace shell (3)
Top opposite side access charging gear (10), charging gear (10) top set closure (9), bottom installation feed hopper
(11) first, is provided with the feed hopper to material for making clothes storehouse (111), second to material for making clothes storehouse (112), the 3rd to material for making clothes storehouse (113)
Material for making clothes storehouse (114) are given with the 4th, described first gives material for making clothes storehouse (113) to material for making clothes storehouse (111), second to material for making clothes storehouse (112), the 3rd
Magnetic valve is installed to material for making clothes storehouse (114) bottom with the 4th.
2. according to claim 1 a kind of from formula Ti-6AL-4V blocks recovery vacuum consumable smelting stove is fed, its feature exists
In：Described first gives material for making clothes storehouse to material for making clothes storehouse (112), the 3rd to material for making clothes storehouse (111), second to material for making clothes storehouse (113) and the 4th
(114) it is cylinder.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720947579.1U CN206959580U (en) | 2017-08-01 | 2017-08-01 | It is a kind of to reclaim vacuum consumable smelting stove from feed formula Ti 6AL 4V blocks |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720947579.1U CN206959580U (en) | 2017-08-01 | 2017-08-01 | It is a kind of to reclaim vacuum consumable smelting stove from feed formula Ti 6AL 4V blocks |
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| CN206959580U true CN206959580U (en) | 2018-02-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107586996A (en) * | 2017-08-01 | 2018-01-16 | 宝鸡市嘉诚稀有金属材料有限公司 | A kind of feed formula Ti 6Al 4V blocks recovery methods and device certainly |
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2017
- 2017-08-01 CN CN201720947579.1U patent/CN206959580U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107586996A (en) * | 2017-08-01 | 2018-01-16 | 宝鸡市嘉诚稀有金属材料有限公司 | A kind of feed formula Ti 6Al 4V blocks recovery methods and device certainly |
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