CN203124742U - Device for manufacturing spherical powder with rotating electrode - Google Patents
Device for manufacturing spherical powder with rotating electrode Download PDFInfo
- Publication number
- CN203124742U CN203124742U CN 201320044736 CN201320044736U CN203124742U CN 203124742 U CN203124742 U CN 203124742U CN 201320044736 CN201320044736 CN 201320044736 CN 201320044736 U CN201320044736 U CN 201320044736U CN 203124742 U CN203124742 U CN 203124742U
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- armature
- electrode
- plasma gun
- vacuum drying
- drying oven
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Abstract
A device for manufacturing spherical powder with a rotating electrode is provided with a vacuum furnace, an electrode rotating mechanism is arranged on the right side of the vacuum furnace, a plasma gun feeding mechanism is arranged on the left side of the vacuum furnace, the electrode rotating mechanism is provided with a base, a electric main shaft and an armature are installed on the base, and the rear end of the armature is coaxially connected with the main electrode shaft, a guiding device is fixed on the outer wall of the right side of the vacuum furnace, the front end of the armature is located in a guiding hole of the guiding device and made to be extended into the vacuum furnace, the front end of the armature is in clearance fit with the vacuum furnace, a sealing ring is installed between the rear end of the guiding hole and the armature to seal the gap, a metal electrode is coaxially installed at the front end of the armature, a plasma gun is installed on the plasma gun feeding mechanism, the front end of the plasma gun is made to be located in the vacuum furnace, and the plasma gun is coaxial with the armature. The electrode only rotates and does not axially move, the plasma axially moves to improve rotation speed of the electrode, and requirements for producing of finer spherical powder are met.
Description
Technical field
The utility model belongs to powder metallurgical technology, is specifically related to the equipment that a kind of rotation electrode is made spherical powder.
Background technology
Rotation electrode is made spherical powder and is referred to utilize electrode to rotate the centrifugal force of generation at a high speed, with molten metal liquid, gets rid of into fine drop, forms spherical powder behind the droplet solidification.Existing rotation electrode powder manufacturing apparatus and technology are that plasma gun is motionless, Yi Bian rotation electrode rotation on one side at a high speed march forward to.When armature during near guider fusion process stop.Electrode is unloaded from armature terminal, and armature retreats into the position, back, and next electrode is installed, and transmission system makes armature forward, and next melting cycle begins.With the immediate prior art of the utility model be " plasma rotating electrode milling machine group " utility application (CN101758238A).The length of electrode when reinforced, is added a new electrode in the rear end of the external electrode of body of heater generally at 500～700 millimeters, causes the length of electrode longer, and vibrations have limited rotary speed greatly when rotating at a high speed.In order to reduce vibrations, increased guider, have bearing and sealing ring in the guider.Vibrations lower bearing at electrode damages easily.During work, electrode is awfully hot, and sealing ring is damaged, for making electrode cooling, the cease operation of having to sometimes.In addition, this device electrode rotating speed is difficult to break through 20000 rev/mins, can make 40～100 purpose spherical powders, less than 100 purpose powder seldom.As seen, it is very difficult that existing equipment not only improves rotating speed, and the smelting time of equipment is less than time greatly, and production efficiency is very low.
The utility model content
The technical problem that the utility model solves: provide a kind of rotation electrode to make the equipment of spherical powder.Electrode only rotates and does not move axially, and plasma gun moves axially, and improves the rotating speed of electrode, the requirement of the thinner spherical powder of satisfied production.
Technical solution of the present utility model: a kind of rotation electrode is made the equipment of spherical powder, has vacuum drying oven, and the right side of described vacuum drying oven is provided with the electrode rotating mechanism, and the left side is provided with the plasma gun feed mechanism; Described electrode rotating mechanism has base, and electric main shaft and armature are installed on the described base, and the armature rear end connects with electric main shaft is coaxial; On the described vacuum drying oven outer right wall guider is arranged fixedly, the front end of armature is arranged in the pilot hole on the guider and makes the front end of armature extend to vacuum drying oven and the two is matched in clearance, sealing ring is housed with described clearance seal between described pilot hole rear end and the armature; The front end of described armature is coaxially installed with metal electrode, on the described plasma gun feed mechanism plasma gun is installed and makes the front end of plasma gun be positioned at vacuum drying oven, and plasma gun is coaxial with armature.
The right side wall central authorities indent of described vacuum drying oven forms groove, and guider is arranged in groove.
The front end of described armature is shaped on internal thread hole, and described metal electrode is contained on the internal thread hole by the external thread rotary that its rear end is shaped on.
The advantage that the utility model compared with prior art has and effect:
1, because the diameter of powder particle is relevant with the diameter of rotating speed, electrode.Rotating speed double can make particle reduced half, the utility model electrode only rotates and does not move axially, plasma gun moves axially, and obtains thinner powder by improving rotating speed.The utility model electrode rotating speed can be brought up to 34000 rev/mins, the requirement of the thinner spherical powder of satisfied production.
2, the utility model electrode loads and unloads in stove, and electrode diameter is not subjected to the restriction of sealing ring and pilot hole, and the diameter of same equipment metal electrode can be selected at Φ 30～90, and is applied widely.
3, the joint of the utility model armature and electrode is in stove, and the roughness at armature terminal position can be accomplished very high, reduces the wearing and tearing of sealing ring.
4, the utility model guider shortens, and electrode shortens, and electrode length is no more than 500 millimeters, makes the contraction in length of rotating part, to reduce vibrations, satisfies the requirement that electrode rotates at a high speed.
Description of drawings
Fig. 1 is structural representation of the present utility model,
Fig. 2 is the structural representation of the utility model electrode rotating mechanism.
The specific embodiment
Below in conjunction with accompanying drawing 1,2 a kind of embodiment of the present utility model is described.
A kind of rotation electrode is made the equipment of spherical powder, has vacuum drying oven 2, and the right side of described vacuum drying oven 2 is provided with electrode rotating mechanism 3, and the left side is provided with plasma gun feed mechanism 4; Described electrode rotating mechanism 3 has base 5, and electric main shaft 6 and armature 7 are installed on the described base 5, and armature 7 rear ends are by shaft coupling 11 and electric 6 coaxial connections of main shaft; On described vacuum drying oven 2 outer right wall guider 8 is arranged fixedly, the front end of armature 7 is arranged in the pilot hole 9 on the guider 8 and makes the front end of armature 7 extend to vacuum drying oven 2 and the two is matched in clearance, sealing ring 10 is housed with described clearance seal between described pilot hole 9 rear ends and the armature 7; The front end of described armature 7 is coaxially installed with metal electrode 12, plasma gun 1 is installed on the described plasma gun feed mechanism 4 and makes the front end of plasma gun 1 be positioned at vacuum drying oven 2, and plasma gun 1 is coaxial with armature 7.
The body of heater of described vacuum drying oven 2 is sandwich, is connected with cooling circulating water in the interlayer 15 during work.The right side wall central authorities indent of described vacuum drying oven 2 bodies of heater forms groove 13, and guider 8 is arranged in groove 13.Effect is guider 8 reach, and then makes the armature reach, makes the joint of armature and electrode be positioned at the stove rational position, and the roughness at armature terminal position can accomplish very highly, reduces the wearing and tearing of sealing ring, for the raising rotating speed creates conditions.The existing device sealing ring contacts with electrode, not only has to rotate to also have axially-movable, because electrode is raw material, roughness is difficult to accomplish very high, and sealing ring is easy to wear, and rotating speed is difficult to improve.
The front end of described armature 7 is shaped on internal thread hole 14, and the external thread rotary that described metal electrode 12 is shaped on by its rear end is contained on the internal thread hole 14.The utility model is because electrode loads and unloads in stove, and electrode diameter no longer is subjected to the restriction of sealing ring and pilot hole, and the diameter of same equipment metal electrode 12 can be selected at Φ 30～90 mm, and is applied widely.
A kind of rotation electrode is made the technology of spherical powder:
1, preparation cylindrical metal electrode 12, diameter is Φ 30～90 mm, length≤500mm.By electrode rotating mechanism 3 metal electrode 12 levels are installed in a side in the vacuum drying oven 2 then;
2, by plasma gun feed mechanism 4 plasma gun 1 level is installed in opposite side in the vacuum drying oven 2, and makes plasma gun 1 coaxial with metal electrode 12;
3, charge into argon gas again after vacuum drying oven 2 is vacuumized, start plasma gun 1 and produce electric arc, starting electrode rotating mechanism 3 makes metal electrode 12 rotation at a high speed simultaneously, and 10000～34000 rev/mins of rotating speeds adapt to varigrained requirement.The high temperature that electric arc produces progressively melts metal electrode 12 ends, and molten metal liquid throws away under action of centrifugal force, molten drop nodularization and solidify the formation spherical powder in flight course; Along with progressively melt metal electrode 12 ends, by start plasma gun feed mechanism 4 make plasma gun 1 progressively feeding keep the spacing of metal electrode 12 ends and plasma gun 1 end, with the lasting generation of assurance electric arc.
4, be melted to≤lay down during 80mm when metal electrode 12, next metal electrode is installed, begin next melting cycle.
Length≤the 500mm of the utility model metal electrode 12 makes the contraction in length of rotating part, and electrode only rotates and do not move axially, and plasma gun moves axially.When electrode rotates at a high speed vibrations little, the electrode rotating speed can be brought up to 34000 rev/mins, the requirement of the thinner spherical powder of satisfied production.
Above-described embodiment is preferred embodiment of the present utility model, is not to limit the utility model practical range, so all equivalent variations of being done with the described content of the utility model claim all should be included within the utility model claim scope.
Claims (3)
1. the equipment of a rotation electrode manufacturing spherical powder has vacuum drying oven (2), and it is characterized in that: the right side of described vacuum drying oven (2) is provided with electrode rotating mechanism (3), and the left side is provided with plasma gun feed mechanism (4); Described electrode rotating mechanism (3) has base (5), and electric main shaft (6) and armature (7) are installed on the described base (5), and armature (7) rear end and coaxial connection of electric main shaft (6); On described vacuum drying oven (2) outer right wall guider (8) is arranged fixedly, the front end of armature (7) is arranged in the pilot hole (9) on the guider (8) and makes the front end of armature (7) extend to vacuum drying oven (2) and the two is matched in clearance, sealing ring (10) is housed with described clearance seal between described pilot hole (9) rear end and the armature (7); The front end of described armature (7) is coaxially installed with metal electrode (12), plasma gun (1) is installed on the described plasma gun feed mechanism (4) and makes the front end of plasma gun (1) be positioned at vacuum drying oven (2), and plasma gun (1) is coaxial with armature (7).
2. a kind of rotation electrode according to claim 1 is made the equipment of spherical powder, it is characterized in that: the right side wall central authorities indent of described vacuum drying oven (2) forms groove (13), and guider (8) is arranged in groove (13).
3. a kind of rotation electrode according to claim 1 and 2 is made the equipment of spherical powder, it is characterized in that: the front end of described armature (7) is shaped on internal thread hole (14), and the external thread rotary that described metal electrode (12) is shaped on by its rear end is contained on the internal thread hole (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320044736 CN203124742U (en) | 2013-01-28 | 2013-01-28 | Device for manufacturing spherical powder with rotating electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320044736 CN203124742U (en) | 2013-01-28 | 2013-01-28 | Device for manufacturing spherical powder with rotating electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203124742U true CN203124742U (en) | 2013-08-14 |
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ID=48932763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320044736 Withdrawn - After Issue CN203124742U (en) | 2013-01-28 | 2013-01-28 | Device for manufacturing spherical powder with rotating electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203124742U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103084579A (en) * | 2013-01-28 | 2013-05-08 | 宝鸡市泛美材料科技有限公司 | Device and process for spherical powder production with rotating electrode |
| CN104174859A (en) * | 2014-09-03 | 2014-12-03 | 陕西维克德科技开发有限公司 | High rotating speed rotary feeding device for metal rod |
| CN104588675A (en) * | 2015-02-16 | 2015-05-06 | 西安赛隆金属材料有限责任公司 | Device and method for preparing spherical rare metal powder |
| CN105665730A (en) * | 2016-04-11 | 2016-06-15 | 西安赛隆金属材料有限责任公司 | Device and method for preparing spherical metal powder |
-
2013
- 2013-01-28 CN CN 201320044736 patent/CN203124742U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103084579A (en) * | 2013-01-28 | 2013-05-08 | 宝鸡市泛美材料科技有限公司 | Device and process for spherical powder production with rotating electrode |
| CN103084579B (en) * | 2013-01-28 | 2015-04-15 | 宝鸡市泛美材料科技有限公司 | Device and process for spherical powder production with rotating electrode |
| CN104174859A (en) * | 2014-09-03 | 2014-12-03 | 陕西维克德科技开发有限公司 | High rotating speed rotary feeding device for metal rod |
| CN104174859B (en) * | 2014-09-03 | 2016-03-09 | 陕西维克德科技开发有限公司 | Metal bar material height rotating speed swivel feeding device |
| CN104588675A (en) * | 2015-02-16 | 2015-05-06 | 西安赛隆金属材料有限责任公司 | Device and method for preparing spherical rare metal powder |
| CN104588675B (en) * | 2015-02-16 | 2016-07-06 | 西安赛隆金属材料有限责任公司 | Spherical rare metal powder preparing unit and method |
| CN105665730A (en) * | 2016-04-11 | 2016-06-15 | 西安赛隆金属材料有限责任公司 | Device and method for preparing spherical metal powder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130814 Effective date of abandoning: 20150415 |
|
| RGAV | Abandon patent right to avoid regrant |