CN207479611U - A kind of neodymium iron boron hydrogen crushing furnace reaction tube - Google Patents
A kind of neodymium iron boron hydrogen crushing furnace reaction tube Download PDFInfo
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- CN207479611U CN207479611U CN201721655357.9U CN201721655357U CN207479611U CN 207479611 U CN207479611 U CN 207479611U CN 201721655357 U CN201721655357 U CN 201721655357U CN 207479611 U CN207479611 U CN 207479611U
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- feed inlet
- cover
- iron boron
- neodymium iron
- reaction tube
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Abstract
The utility model discloses a kind of neodymium iron boron hydrogen crushing furnace reaction tubes, including cylinder, feed inlet, the cover for rotating in feed inlet side, discharge port and air inlet are provided on cylinder, at least two concentric installation annular grooves are formed when the feed inlet is closed with cover cap, there are one sealing rings for clamping in each installation annular groove, spacing ring, the cover to offer the limiting slot being clamped with spacing ring to the feed inlet between two neighboring sealing ring there are one protrusions between two neighboring sealing ring；The utility model increases the leakproofness between cover and feed inlet, and extraneous air is prevented to enter the hydrogen leak in cylinder and cylinder to the external world, the magnetic property of Nd-Fe-B permanent magnet material is improved, has ensured the safety of operating personnel.
Description
Technical field
The utility model is related to a kind of breaker of alloy, more particularly to a kind of neodymium iron boron hydrogen crushing furnace reaction tube.
Background technology
With the development of science and technology, neodymium iron boron rare earth permanent magnet device is produced as indispensable electronic component in each electronics at present
It plays an important role in product.The main production process of sintered NdFeB include broken dispensing, melting, hydrogen, airflow milling, etc. it is quiet
Pressure, forming and sintering etc., the broken flow of hydrogen therein are the hydrogen absorption characteristics using rare earth intermetallic compound, and Nd Fe B alloys are placed in
Under hydrogen environment, hydrogen enters alloy along rich neodymium phase thin layer, is allowed to expansion explosion and crushes, so as to make flake or block-like neodymium
Iron boron becomes powder.
In flouring technology currently used for producing Nd-Fe-B permanent magnet material, generally using rotary hydrogen crushing furnace, the hydrogen crushing furnace
Including reaction tube, feed inlet is offered on reaction tube, is articulated with feed inlet side and for covering the cover and air-flow of closing feed inlet
The discharge port that pulverizer is tightly connected and the air inlet being tightly connected with hydrogen gas tank.Since neodymium iron boron is oxidized easily, neodymium iron
Boron ingot needs to be sealed feed inlet after adding in reaction tube, and hydrogen is passed through again after original air is discharged reaction tube.
It is cricoid to be typically employed in installation one between cover and feed inlet for the sealing of cover and feed inlet in the prior art
Rubber pad, when cover is closed with charging lid, rubber pad blocks the gap of cover and feed inlet.However, being used for a long time
In the process, if rubber pad aging and be cracked, the leakproofness of reaction tube will directly decline, and influence the broken effect of hydrogen of neodymium iron boron
Fruit, and then influence the magnetic property of Nd-Fe-B permanent magnet material.
Utility model content
The purpose of this utility model is to provide a kind of neodymium iron boron hydrogen crushing furnace reaction tube, increases the enterprising material mouth of reaction tube and lid
Leakproofness between body improves the magnetic property of Nd-Fe-B permanent magnet material.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of neodymium iron boron hydrogen crushing furnace reaction tube including cylinder, is provided with feed inlet, rotates in feed inlet side on cylinder
Cover, discharge port and air inlet form at least two concentric installation annular grooves, Mei Gean when the feed inlet is closed with cover cap
Filling clamping in annular groove, there are one sealing ring, there are one spacing rings for protrusion between two neighboring sealing ring for the feed inlet, described
Cover offers the limiting slot being clamped with spacing ring between two neighboring sealing ring.
Using the above scheme, cover cap together in feed inlet opening when, multiple sealing rings be connected in simultaneously cover with into
On the end face that material mouth abuts, if one of sealing ring aging is cracked, still there are other sealing rings to be sealed work, simultaneously
Spacing ring is connected in limiting slot, increases the path that gap of the gas between cover and feed inlet is revealed, and auxiliary is close
Seal is sealed, and with the cover that this is increased and the sealing effect at feed inlet, improves the magnetism of Nd-Fe-B permanent magnet material
Can, the leakage of hydrogen can also be prevented in addition, ensured the safety of operating personnel.
Further preferably：In I-shaped or butterfly, the sealing ring is thermally deformed in the section of the installation annular groove
Rubber ring.
Using the above scheme, after sealing ring is clamped with installation annular groove, sealing ring is thermally deformed during hydrogen is broken, will be pacified
Dress annular groove is filled, and the section for installing annular groove is arranged to I-shaped or butterfly so that the direction of air-flow flowing and reality
Flow path there are a reversely bending, and then effectively prevent the leakage of gas, improve the sealing effect of sealing ring.
Further preferably：The inside of the sealing ring is hollow form.
Using the above scheme, sealing ring is set as inner hollow shape, reduces the materials'use amount of sealing ring, work as rubber
Circle is embedded in installation annular groove, and hollow sealing ring shortens the time being thermally deformed, while can increase sealing ring and mounting ring
The fitting effect of slot, and then improve the leakproofness between cover and feed inlet.
Further preferably：The cover includes being threaded onto with the cover board of the charging lid conjunction, one end tight on cover board
Gu bar, the turntable being fixedly connected with the anchorage bar other end and the support arm between cover board and turntable, the anchorage bar spiral shell
Line is connected to the middle part of support arm, and the side of the feed inlet is fixed with the positioning seat hinged with support arm one end, and feed inlet exists
The opposite side of positioning seat is provided with the limit base being clamped with the activity of the support arm other end.
Using the above scheme, usual cover has heavier quality, when the opening to feed inlet is needed to close, turns
Dynamic support arm, and then drive anchorage bar, cover board and turntable rotation, when cover board is aligned with the opening of feed inlet and covers conjunction, branch
The other end of brace is connected in limit base, is rotated further by turntable, driven by rotary disc screw-pressing cover board, so that cover board is pressed in
At feed inlet, the closing of cover and feed inlet is realized with this, easy to operate, support arm can play a supporting role to cover board, increase
The clamping effect being capped between plate and feed inlet.
Further preferably：If the feed inlet has towards the side of the cover board along the edge circumferential projection of feed inlet
Dry limited block, the side of the cover board towards feed inlet offer the limit chamber for limited block clamping.
Using the above scheme, when cover board is closed with charging lid, limited block is connected in limit chamber, prevents cover board with tight
Gu bar circumferentially rotates, the efficiency of cover plate lid conjunction is improved.
Further preferably：The section of the limited block is trapezoidal, and the smaller one end of limited block is towards the cover board.
Using the above scheme, when cover plate lid is together in feed inlet, the trapezoidal limited block in section is convenient for cover board and feed inlet
Quick insertion, improve the installation effectiveness of cover board.
Further preferably：Several lock-in components are additionally provided between the feed inlet and cover board, lock-in component includes setting
It the locking piece that is placed on feed inlet outer wall and is set on cover board and is clamped with locking piece to realize fixed feed inlet and cover board
Locking seat.
Using the above scheme, when carrying out lid conjunction to feed inlet, by cover plate lid together in the opening of feed inlet, then will locking
Part connects and fixes the stability after the fixation of cover board and feed inlet in locking seat, is increased, and then increases cover board and charging
Leakproofness between mouthful.
Further preferably：The locking piece includes being fixedly connected on the swivel base of the feed inlet outer wall, be rotationally connected with
Screw rod on swivel base and the clamp nut being threadedly connected on screw rod, when locking piece is clamped with the locking seat, locking seat
Between swivel base and clamp nut, and locking seat is embedding for screw rod through having along the axis direction of feed inlet towards the side of screw rod
The straight slot entered.
Using the above scheme, screw rod is rotated using swivel base as the center of circle to close to locking seat direction so that screw rod is embedded in logical
In slot, clamp nut is then tightened, increases cover board with feeding the stability after lid is closed, it is simple in structure, it is easy to operate.
Further preferably：Lantern ring there are one being fixedly connected on the clamp nut.
Using the above scheme, the setting of lantern ring being tightened convenient for clamp nut, accelerate cover plate lid together in feed inlet at.
In conclusion the utility model has the advantages that：
1st, multiple sections are connected in the sealing ring of I-shaped or butterfly and inner hollow is corresponding respectively in installation annular groove,
In conjunction with the clamping of spacing ring and limiting slot, the leakproofness between cover and feed inlet is increased, extraneous air is prevented to enter
Hydrogen leak in cylinder and cylinder improves the magnetic property of Nd-Fe-B permanent magnet material, has ensured operating personnel's to the external world
Safety；
2nd, by the setting of cover board, anchorage bar, turntable, support arm, in conjunction with the card of round table-like limited block and limit chamber
It connects and the clamping of locking piece and locking seat, structural stability when increasing cover cap conjunction on feed inlet has operation letter
Just, the characteristics of installation effectiveness high high.
Description of the drawings
Fig. 1 is the structure diagram of embodiment one；
Fig. 2 is the structure diagram of one middle charging aperture of embodiment and cover；
Fig. 3 is the internal structure schematic diagram of one middle charging aperture of embodiment and cover；
Fig. 4 is enlarged drawings of the Fig. 3 at A；
Fig. 5 is the structure diagram after sealing ring is thermally deformed in embodiment one；
Fig. 6 is the positive exploded perspective view of one middle charging aperture of embodiment and cover；
Fig. 7 is the backlash schematic diagram of one middle charging aperture of embodiment and cover；
Fig. 8 is the structure diagram before sealing ring is thermally deformed in embodiment two；
Fig. 9 is the structure diagram after sealing ring is thermally deformed in embodiment two.
In figure, 1, cylinder；2nd, feed inlet；3rd, cover；4th, discharge port；5th, air inlet；The 6th, annular groove is installed；7th, sealing ring；8、
Lock-in component；21st, support plate；211st, the first flange；2111st, spacing ring；2112nd, limited block；212nd, positioning seat；2121st, shaft；
213rd, limit base；2131st, groove；31st, cover board；311st, the second flange；3111st, limiting slot；3112nd, limit chamber；312nd, sleeve；
32nd, anchorage bar；33rd, turntable；34th, support arm；81st, locking piece；811st, swivel base；812nd, screw rod；813rd, clamp nut；8131st, it covers
Ring；82nd, locking seat；821st, straight slot.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment one：
A kind of neodymium iron boron hydrogen crushing furnace reaction tube, as shown in Figure 1, including cylindric cylinder 1, one end of cylinder 1 offers
Section is circular feed inlet 2, is covered with cover 3 on feed inlet 2, the other end of cylinder 1 offers discharge port 4, and cylinder 1 is close
Air inlet 5 is offered on the side of feed inlet 2.
As shown in Figures 2 and 3, cover 3 includes cover board 31, anchorage bar 32, turntable 33 and support arm 34.31 direction of cover board
Protrusion is there are one cricoid second flange 311 on one side end face of feed inlet 2, and feed inlet 2 is towards on a side end face of cover board 31
Cricoid support plate 21 that there are one settings, support plate 21 to be turned over towards protrusion on a side end face of cover board 31 there are one cricoid first
When side 211, feed inlet 2 and the lid of cover 3 close, the first flange 211 and the second flange 311 are bonded and form two therebetween together
The installation annular groove 6 of the heart（As shown in Figure 4）, the section of installation annular groove 6 is in butterfly, and there are one seal for each interior clamping of installation annular groove 6
Circle 7, sealing ring 7 is the rubber ring being thermally deformed, and the ellipsoidal cross section of sealing ring 7, inside are hollow form.Such as Fig. 5 institutes
Show, when sealing ring 7 is thermally deformed, the outer wall of sealing ring 7 is bonded with installing the cell wall of annular groove 6.
As shown in Figure 6 and Figure 7, there are one same with sealing ring 7 for protrusion between two neighboring sealing ring 7 for the first flange 211
The spacing ring 2111 in the center of circle, the second flange 311 offer the limiting being clamped with spacing ring 2111 between two neighboring sealing ring 7
Slot 3111.First flange 211 has the limit of several strips in the side of spacing ring 2111 along the also circumferential projection of spacing ring 2111
Position block 2112, the section of limited block 2112 is trapezoidal, and trapezoidal smaller one end the first flange 211 of direction, the second flange 311
Offer the limit chamber 3112 being clamped with limited block 2112 accordingly.
As shown in fig. 7, sleeve 312, one end of anchorage bar 32 are provided at the center of side of the cover board 31 far from feed inlet 2
It is threaded onto in sleeve 312, the other end of anchorage bar 32 is fixedly connected with turntable 33, while 32 screw thread of anchorage bar is threaded onto support arm
34 middle part so that support arm 34 is between cover board 31 and turntable 33.There are one the side of the support plate 21 of feed inlet 2 is fixed
Positioning seat 212, the opposite side setting of support plate 21 there are one limit base 213, and positioning seat 212 and limit base 213 form it is straight
Line passes through the center of circle of cover board 31.There are one shafts 2121 for the setting of positioning seat 212, and one end of support arm 34 is sheathed on shaft 2121
On, and can be rotated with shaft 2121 for the center of circle.The side of limit base 213 is opened up there are one groove 2131, support arm 34
The other end is embedded in groove 2131 to realize the Primary Location of cover board 31.
If as shown in fig. 7, the circumferential direction between the first flange 211 and the second flange 311 also along feed inlet 2 is evenly arranged with
Dry lock-in component 8（As shown in Figure 2）, lock-in component 8 include locking piece 81 and locking seat 82.Locking piece 81 includes being fixedly connected on
Transposon 18 11 on first flange, 211 circumferential surface, the screw rod 812 being rotationally connected on transposon 18 11 and it is threadedly connected to screw rod 812
On clamp nut 813, be also fixedly connected with that there are one lantern rings 8131 on clamp nut 813.Locking seat 82 is fixedly connected on second
On the circumferential surface of flange 311, locking seat 82 is towards the side of screw rod 812 along the axis direction of feed inlet 2 through there are one straight slots
821, when sealed first flange 211 and the second flange 311, locking seat 82 is between transposon 18 11 and clamp nut 813, screw rod
812 are embedded in straight slot 821.
When closing feed inlet 2, rotational support arm 34, support arm 34 is rotated with the shaft 2121 of positioning seat 212 for the center of circle, band
Dynamic cover board 31 is directed at feed inlet 2, and the other end of support arm 34 is embedded in the groove 2131 of limit base 213 at this time, by sealing ring 7
It is embedded on the first flange 211, rotating plate 31 so that the limit chamber 3112 on the second flange 311 is aligned on the first flange 211
Limited block 2112, by cover board 31 toward 2 direction of feed inlet push so that limited block 2112 is connected in limit chamber 3112, limiting
Ring 2111 is connected in limiting slot 3111, and sealing ring 7 is embedded in installation annular groove 6.Be rotated further by turntable 33, reinforcing bar to close into
2 direction of material mouth compresses cover board 31.Then screw rod 812 is embedded in the straight slot 821 of locking seat 82 successively, tightens fastening
Nut 813, and then realize sealed, the closing of completion feed inlet 2 of the first flange 211 and the second flange 311.
Embodiment two：The difference lies in as shown in Figure 8 and Figure 9, the section of installation annular groove 6 is in work with embodiment one
Font.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as within the protection scope of the present utility model all protected by Patent Law.
Claims (9)
1. a kind of neodymium iron boron hydrogen crushing furnace reaction tube including cylinder (1), is provided with feed inlet (2), rotates in charging on cylinder (1)
The cover (3), discharge port (4) and air inlet (5) of mouth (2) side, it is characterised in that：The feed inlet (2) is covered with cover (3)
At least two concentric installation annular grooves (6) are formed during conjunction, clamping is each installed in annular groove (6) there are one sealing ring (7), it is described into
There are one spacing rings (2111) for protrusion between two neighboring sealing ring (7) for material mouth (2), and the cover (3) is two neighboring close
The limiting slot (3111) with spacing ring (2111) clamping is offered between seal (7).
2. a kind of neodymium iron boron hydrogen crushing furnace reaction tube according to claim 1, it is characterised in that：The installation annular groove (6)
Section is in I-shaped or butterfly, and the sealing ring (7) is the rubber ring being thermally deformed.
3. a kind of neodymium iron boron hydrogen crushing furnace reaction tube according to claim 2, it is characterised in that：The sealing ring (7) it is interior
Portion is hollow form.
4. a kind of neodymium iron boron hydrogen crushing furnace reaction tube according to claim 1, it is characterised in that：The cover (3) including with
Cover board (31) that the feed inlet (2) lid closes, one end are threaded onto anchorage bar (32) on cover board (31), another with anchorage bar (32)
Hold the turntable (33) being fixedly connected and the support arm (34) between cover board (31) and turntable (33), the anchorage bar (32)
It is threadedly connected to the middle part of support arm (34), the side of the feed inlet (2) is fixed with and support arm (34) one end is hinged determines
Position seat (212), feed inlet (2) are provided with and support arm (34) other end activity clamping in the opposite side of positioning seat (212)
Limit base (213).
5. a kind of neodymium iron boron hydrogen crushing furnace reaction tube according to claim 4, it is characterised in that：Feed inlet (2) direction
There are several limited blocks (2112), the cover board (31) in the side of the cover board (31) along the edge circumferential projection of feed inlet (2)
The limit chamber (3112) being clamped for the limited block (2112) is offered towards the side of feed inlet (2).
6. a kind of neodymium iron boron hydrogen crushing furnace reaction tube according to claim 5, it is characterised in that：The limited block (2112)
Section is trapezoidal, and limited block (2112) smaller one end is towards the cover board (31).
7. a kind of neodymium iron boron hydrogen crushing furnace reaction tube according to claim 6, it is characterised in that：The feed inlet (2) and lid
It is additionally provided with several lock-in components (8) between plate (31), lock-in component (8) includes the locking that is set on feed inlet (2) outer wall
It part (81) and is set on cover board (31) and is clamped to realize the locking of fixed feed inlet (2) and cover board (31) with locking piece (81)
Seat (82).
8. a kind of neodymium iron boron hydrogen crushing furnace reaction tube according to claim 7, it is characterised in that：The locking piece (81) includes
It is fixedly connected on the swivel base (811), the screw rod (812) being rotationally connected on swivel base (811) and spiral shell of the feed inlet (2) outer wall
Line is connected to the clamp nut (813) on screw rod (812), when locking piece (81) is clamped with the locking seat (82), locking seat
(82) between swivel base (811) and clamp nut (813), and locking seat (82) towards the side of screw rod (812) along charging
The axis direction of mouth (2), which runs through, to be had for the embedded straight slot (821) of screw rod (812).
9. a kind of neodymium iron boron hydrogen crushing furnace reaction tube according to claim 8, it is characterised in that：The clamp nut (813)
On be fixedly connected there are one lantern ring (8131).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721655357.9U CN207479611U (en) | 2017-12-01 | 2017-12-01 | A kind of neodymium iron boron hydrogen crushing furnace reaction tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721655357.9U CN207479611U (en) | 2017-12-01 | 2017-12-01 | A kind of neodymium iron boron hydrogen crushing furnace reaction tube |
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| CN207479611U true CN207479611U (en) | 2018-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721655357.9U Active CN207479611U (en) | 2017-12-01 | 2017-12-01 | A kind of neodymium iron boron hydrogen crushing furnace reaction tube |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110614374A (en) * | 2019-10-08 | 2019-12-27 | 宁波科田磁业有限公司 | Neodymium iron boron cast sheet hydrogen crushing low-oxygen rotary discharging device |
| CN114452866A (en) * | 2021-12-20 | 2022-05-10 | 湖南博科瑞新材料有限责任公司 | Powder mixing equipment for powder metallurgy material |
-
2017
- 2017-12-01 CN CN201721655357.9U patent/CN207479611U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110614374A (en) * | 2019-10-08 | 2019-12-27 | 宁波科田磁业有限公司 | Neodymium iron boron cast sheet hydrogen crushing low-oxygen rotary discharging device |
| CN114452866A (en) * | 2021-12-20 | 2022-05-10 | 湖南博科瑞新材料有限责任公司 | Powder mixing equipment for powder metallurgy material |
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