CN209205397U - A kind of neodymium iron boron strip alloy sheet crushing system special - Google Patents

A kind of neodymium iron boron strip alloy sheet crushing system special Download PDF

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Publication number
CN209205397U
CN209205397U CN201821526935.3U CN201821526935U CN209205397U CN 209205397 U CN209205397 U CN 209205397U CN 201821526935 U CN201821526935 U CN 201821526935U CN 209205397 U CN209205397 U CN 209205397U
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China
Prior art keywords
treatment trough
partition
iron boron
neodymium iron
alloy sheet
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Expired - Fee Related
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CN201821526935.3U
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Chinese (zh)
Inventor
高晓山
张德文
李蕾
何文敬
陈进
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North Rare Earth Anhui Permanent Magnet Technology Co ltd
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ANHUI BAOTOU STEEL RARE EARTH PERMANENT MAGNETIC ALLOY INDUSTRY Co Ltd
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Priority to CN201821526935.3U priority Critical patent/CN209205397U/en
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Abstract

The utility model relates to a kind of neodymium iron boron strip alloy sheet crushing system specials, including furnace body, there are two mutually matched breaker rolls for furnace interior setting, the first treatment trough is provided with below breaker roll, the inner cavity of first treatment trough is separated into the second processing slot above partition and the Heat Room below partition by partition, and the inside of second processing slot fills the ethyl alcohol that drainage conduit lower end is completely covered;The outside of first treatment trough is provided with temporary tank, is provided with carrying mechanism above the first treatment trough, and carrying mechanism includes lifting device and for driving lifting device to do the translating device that translation moves back and forth.The neodymium iron boron strip alloy sheet crushing system special can be avoided the alloy dust in tail gas and be discharged into air, moreover it is possible to be cooled down and be completely cut off air to NdFeB rear-earth alloy fragment, avoid NdFeB rear-earth alloy fragment from being oxidized, implementation result is good.

Description

A kind of neodymium iron boron strip alloy sheet crushing system special
Technical field
The utility model relates to a kind of neodymium iron boron strip alloy sheet crushing system specials, belong to rare earth material processing technology neck Domain.
Background technique
Rare earth permanent-magnetic material neodymium iron boron is a kind of important magnetic material, is referred to as " magnetic with excellent magnetic property King " is widely used in modern industry and electronic technology.In the neodymium iron boron manufacturing, it is dilute that neodymium iron boron is made in first melting Native alloy fragment, then NdFeB rear-earth alloy fragment is processed into powder, finally NdFeB rear-earth alloy powder is gathered into Then type is sintered, be finally cut into required size again and complete.
Wherein, in the manufacturing process of NdFeB rear-earth alloy fragment, each raw material are first usually smelted into liquid alloy Liquid to form large stretch of alloy sheet using refining, cooling, then by two mutually matched breaker rolls to alloy sheet into Row is broken to obtain the NdFeB rear-earth alloy fragment of chunky shape.It is anti-in the manufacturing process of NdFeB rear-earth alloy fragment Only NdFeB rear-earth alloy fragment is oxidized, and is passed through argon gas protection gas in furnace interior, to prevent high temperature alloy piece broken It is oxidized in the process, breaker roll is also in the protection environment of argon gas, and high temperature alloy piece is being broken into NdFeB rear-earth alloy A small amount of alloy dust can be generated when fragment, which can outflow as argon gas is discharged and easily cause environmental pollution.Meanwhile liquid Aluminium alloy is poured on chill roll by casting ladle, and liquid alloy liquid cools down to form alloy sheet, and is thrown away chill roll by centrifugal force effect; Due to short with chill roll time of contact, the temperature for leaving the alloy sheet of chill roll is usually more than 200 DEG C, this leads to that furnace is discharged The NdFeB rear-earth alloy fragment of body is also at the condition of high temperature, this easily causes NdFeB rear-earth alloy fragment to aoxidize, and causes neodymium iron The decline of boron rare earth alloy chip mass.
Utility model content
The utility model is in view of the deficienciess of the prior art, provide a kind of neodymium iron boron strip alloy sheet Special crushing system System, specific technical solution are as follows:
A kind of neodymium iron boron strip alloy sheet crushing system special, including furnace body, there are two mutually for the furnace interior setting The breaker roll of cooperation is provided with the drainage conduit being connected with furnace body inner cavity, the lower section of the breaker roll below the breaker roll Be provided with the first treatment trough, first treatment trough is fixedly provided with the partition being obliquely installed, first treatment trough it is interior Chamber is separated into the second processing slot above partition and the Heat Room below partition, the lower end of the drainage conduit by partition The inside of second processing slot is set, and the inside of the second processing slot fills the ethyl alcohol that drainage conduit lower end is completely covered;Institute The outside for stating the first treatment trough is provided with temporary tank, and carrying mechanism, the carrying implement are provided with above first treatment trough Structure include lifting device and for drive lifting device do translation move back and forth translating device, the lifting device includes electromagnetism Iron, the first single-acting cylinder, pedestal, the first single-acting cylinder drive electromagnet move up and down, first single-acting The cylinder barrel of cylinder is fixedly connected with pedestal;The translating device includes the setting fixed plate of side, the second single-acting gas on the base Cylinder, the sliding block being arranged between pedestal and fixed plate, the bottom of the fixed plate are provided with dovetail groove, and the upper end of the sliding block is set It is equipped with convex block compatible with dovetail groove, the lower end of the sliding block is fixedly connected with pedestal, and the pedestal is by the second single-acting gas Cylinder driving is done translation along the direction that dovetail groove limits and is moved back and forth.
As an improvement of the above technical solution, the inside of the second processing slot also fills the foamed plastics for covering ethyl alcohol Layers of balls, the foamed plastics layers of balls are made of the spherical foam plastic pellet that several density are less than ethyl alcohol.
As an improvement of the above technical solution, the side wall of the second processing slot is provided with waste discharge hole, under the partition End is arranged in the lower section in waste discharge hole with the junction of the first treatment trough, the junction of the lower end of the partition and the first treatment trough with Waste discharge hole is respectively positioned on the same side of the first treatment trough, and the outside of first treatment trough is provided with the waste discharge being connected with waste discharge hole Valve.
As an improvement of the above technical solution, the lower end surface of the electromagnet be inclined-plane, the lower end surface of the electromagnet with The upper surface of partition is parallel to each other.
As an improvement of the above technical solution, the side of the Heat Room is provided with inlet opening, the Heat Room it is another Side is provided with apopore, and the height of the apopore is higher than the height of inlet opening, and the outside of the Heat Room is provided with and intakes The inlet valve that hole is connected, the outside of the Heat Room are provided with the outlet valve being connected with apopore.
As an improvement of the above technical solution, the alternate internal of the Heat Room is provided with multiple metal baffles.
Neodymium iron boron strip alloy sheet crushing system special described in the utility model is not only right using the ethyl alcohol inside treatment trough Tail gas is washed, and the alloy dust in tail gas is avoided to be discharged into air, but also can be to NdFeB rear-earth alloy fragment Air is cooled down and completely cut off, so that NdFeB rear-earth alloy fragment effectively be avoided to be oxidized, is passed through using to Heat Room inside Cooling water is to guarantee the cooling efficiency of NdFeB rear-earth alloy fragment, using carrying mechanism by neodymium after cooling inside treatment trough Iron boron rare earth alloy fragment is transported in temporary tank and keeps in, and is convenient for subsequent centralized processing, and implementation result is good.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of neodymium iron boron strip alloy sheet crushing system special described in the utility model;
Fig. 2 is the structural schematic diagram inside treatment trough described in the utility model;
Fig. 3 is the connection schematic diagram of fixed plate described in the utility model and sliding block.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.
As shown in Figure 1, the neodymium iron boron strip alloy sheet crushing system special, including furnace body 10, inside the furnace body 10 There are two mutually matched breaker rolls 11 for setting, and the lower section of the breaker roll 11 is provided with the discharge being connected with 10 inner cavity of furnace body Pipe 12;Large stretch of alloy sheet carries out the broken neodymium iron for obtaining chunky shape to alloy sheet by two mutually matched breaker rolls 11 Boron rare earth alloy fragment.NdFeB rear-earth alloy fragment is discharged from drainage conduit 12 under gravity, inside furnace body 10 Alloy dust with argon gas from the lower end of drainage conduit 12 be discharged.
As shown in Figures 1 to 3, the lower section of the breaker roll 11 is provided with the first treatment trough 20, first treatment trough 20 It is fixedly provided with the partition 21 being obliquely installed, the inner cavity of first treatment trough 20 is separated into above partition 21 by partition 21 Second processing slot 22 and Heat Room 23 positioned at the lower section of partition 21, the lower end of the drainage conduit 12 is arranged in second processing slot 22 Inside, the inside of the second processing slot 22 fills the ethyl alcohol 26 that 12 lower end of drainage conduit is completely covered;First processing The outside of slot 20 is provided with temporary tank 40, and the top of first treatment trough 20 is provided with carrying mechanism, the carrying mechanism packet It includes lifting device and for driving lifting device to do the translating device that translation moves back and forth, the lifting device includes electromagnet 31, the first single-acting cylinder 32, pedestal 33,32 drive electromagnet 31 of the first single-acting cylinder move up and down, and described The cylinder barrel of one single-acting cylinder 32 is fixedly connected with pedestal 33;The translating device includes the fixed plate that 33 top of pedestal is arranged in 35, the second single-acting cylinder 34, the sliding block 36 being arranged between pedestal 33 and fixed plate 35, the bottom setting of the fixed plate 35 There is dovetail groove, the upper end of the sliding block 36 is provided with convex block 361 compatible with dovetail groove, the lower end of the sliding block 36 and pedestal 33 are fixedly connected, and the pedestal 33 is driven by the second single-acting cylinder 34 and does the reciprocal fortune of translation along the direction that dovetail groove limits It is dynamic.
The NdFeB rear-earth alloy fragment and alloy dust are discharged to second processing slot 22 with argon gas from drainage conduit 12, Since the inside of the second processing slot 22 fills the ethyl alcohol 26 that 12 lower end of drainage conduit is completely covered, the argon containing alloy dust Gas settles in ethyl alcohol 26, and argon gas is arranged into atmosphere, and alloy dust falls in the inside of second processing slot 22 and NdFeB rear-earth closes Golden fragment falls on 21 lower end region of partition along the partition 21 being obliquely installed together, and alloy dust will not be arranged with argon gas again Into atmosphere, tail gas is washed.The carrying mechanism can be by the NdFeB rear-earth alloy fragment inside second processing slot 22 Be transported to temporary tank 40, specific practice is as follows: 32 drive electromagnet 31 of the first single-acting cylinder moves up and down, and can lead to It crosses and is fixedly connected with the telescopic end of the first single-acting cylinder 32 with the upper end of electromagnet 31, first single-acting cylinder 32 is stretched at this time Contracting end, which moves downward, drives electromagnet 31 to move downward, and electromagnet 31 falls on the inside of second processing slot 22, and electromagnet 31 is powered Magnetic force is generated by part NdFeB rear-earth alloy fragment to being adsorbed onto 31 surrounding of electromagnet, then the first single-acting cylinder 32 Telescopic end, which moves upwards, drives electromagnet 31 to move upwards so that being adsorbed with the electromagnet 31 of NdFeB rear-earth alloy fragment It is detached from inside second processing slot 22;Then the pedestal 33 drives the side limited along dovetail groove by the second single-acting cylinder 34 It is moved back and forth to translation is done, i.e., by the way that the telescopic end of the second single-acting cylinder 34 to be fixedly connected with pedestal 33, described second is single The cylinder barrel of active cylinder 34 is fixedly connected with fixed plate 35, the telescopic end of second single-acting cylinder 34 pull pedestal 33 along The surface that translational motion makes lifting device move to temporary tank 40 is done in the direction that dovetail groove limits, and the pedestal 33 stops fortune Dynamic, the telescopic end of first single-acting cylinder 32, which moves downward, at this time drives electromagnet 31 to move downward so that being adsorbed with The electromagnet 31 of NdFeB rear-earth alloy fragment falls on the inside of temporary tank 40, and the then power-off of electromagnet 31 loses magnetic force, described The inside that NdFeB rear-earth alloy fragment falls on temporary tank 40 under gravity is temporary;Then first single-acting cylinder 32 Telescopic end, which moves upwards, drives electromagnet 31 to return to initial position, and the telescopic end of the second single-acting cylinder 34 pushes pedestal 33 to return to Initial position.Wherein, the electromagnet 31 can also adsorb some alloy dust when adsorbing NdFeB rear-earth alloy fragment, thus So that the inside of temporary tank 40 is there is also some alloy dust, these alloy dust it is subsequent in the way of sieving come with neodymium The separation of iron boron rare earth alloy fragment.
I.e. by ethyl alcohol when being discharged to the inside of second processing slot 22 from 12 lower end of drainage conduit due to NdFeB rear-earth alloy fragment 26 flood, this makes NdFeB rear-earth alloy fragment and air exclusion, and NdFeB rear-earth alloy fragment is avoided to be oxidized;As for neodymium The heat that iron boron rare earth alloy fragment carries causes the temperature of 22 inside ethyl alcohol 26 of second processing slot to increase, the Heat Room 23 The cooling water that inside is passed through 1~5 DEG C to cool down to the ethyl alcohol 26 inside second processing slot 22, avoids high temperature that ethyl alcohol 26 is caused to evaporate Consumption aggravation, meanwhile, the cooling rate of NdFeB rear-earth alloy fragment can be accelerated.
Further, the evaporation capacity to reduce by 22 inside ethyl alcohol 26 of second processing slot;The inside of the second processing slot 22 The foamed plastics layers of balls 27 for covering ethyl alcohol 26 is also filled, the foamed plastics layers of balls 27 is less than ethyl alcohol 26 by several density Spherical foam plastic pellet composition.Low ratio foamed, middle foaming and high-foaming foamed plastics can be divided by the density of foamed plastics.Foam plastic The density of pellet is less than the density of ethyl alcohol 26, this makes spherical foamed plastics club float on the liquid level of ethyl alcohol 26 to form bubble Foam plastics layers of balls 27 can significantly reduce ethyl alcohol 26 because of consumption caused by evaporating, together under the blocking of foamed plastics layers of balls 27 When, spherical foam plastic pellet will not be adsorbed by electromagnet 31, do not influenced electromagnet 31 and carried NdFeB rear-earth alloy fragment.
Further, for convenience of the waste liquid concentrated inside cleaning second processing slot 22, the side wall of the second processing slot 22 Be provided with waste discharge hole, the junction of the lower end of the partition 21 and the first treatment trough 20 is arranged in the lower section in waste discharge hole, it is described every The junction and waste discharge hole of the lower end of plate 21 and the first treatment trough 20 are respectively positioned on the same side of the first treatment trough 20, at described first The outside of reason slot 20 is provided with the waste valve 29 being connected with waste discharge hole.Giving up inside second processing slot 22 is removed when needing to concentrate When liquid, waste valve 29 is opened, the 21 remaining alloy dust in top of waste liquid meeting impacting clapboard inside second processing slot 22 is to make It concentrates discharge from waste valve 29 together.
Further, the quantity of NdFeB rear-earth alloy fragment, the electromagnetism are adsorbed in the lower end surface for raising electromagnet 31 The lower end surface of iron 31 is inclined-plane, and the lower end surface of the electromagnet 31 and the upper surface of partition 21 are parallel to each other.
Further, the side of the Heat Room 23 is provided with inlet opening, and the other side of the Heat Room 23 is provided with out Water hole, the height of the apopore are higher than the height of inlet opening, and the outside of the Heat Room 23 is provided with to be connected with inlet opening Inlet valve 24, the outside of the Heat Room 23 is provided with the outlet valve 25 being connected with apopore.The cooling water is from water inlet The inside that valve 24 enters Heat Room 23 exchanges heat, and is then discharged from outlet valve 25.
Further, described to change to improve residence time and raising heat transfer effect of the cooling water inside Heat Room 23 The alternate internal in hot cell 23 is provided with multiple metal baffles 28.
Further, first treatment trough 20, partition 21, temporary tank 40 and metal baffle 28 are by nonferromagnetic material system At.This makes the first treatment trough 20, partition 21, temporary tank 40 and metal baffle 28 not to be magnetized, and will not be produced by electromagnet 31 Raw magnetic force influences.The telescopic end of first single-acting cylinder 32 is made of nonferromagnetic material, this generates electromagnet 31 Magnetic force will not influence the first single-acting cylinder 32 telescopic end carry out stretching motion.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (6)

1. a kind of neodymium iron boron strip alloy sheet crushing system special, including furnace body (10), the furnace body (10) is internally provided with two A mutually matched breaker roll (11) is provided with the drainage conduit being connected with furnace body (10) inner cavity below the breaker roll (11) (12), it is characterised in that: it is provided with the first treatment trough (20) below the breaker roll (11), first treatment trough (20) It is fixedly provided with the partition (21) being obliquely installed, the inner cavity of first treatment trough (20) is separated by partition (21) positioned at partition (21) the second processing slot (22) above and the Heat Room (23) below partition (21), the lower end of the drainage conduit (12) is set The inside in second processing slot (22) is set, the inside of the second processing slot (22) fills, and drainage conduit (12) lower end is completely covered Ethyl alcohol (26);The outside of first treatment trough (20) is provided with temporary tank (40), the top of first treatment trough (20) It is provided with carrying mechanism, the carrying mechanism includes lifting device and for driving lifting device to do the translation that translation moves back and forth Device, the lifting device include electromagnet (31), the first single-acting cylinder (32), pedestal (33), the first single-acting gas Cylinder (32) drive electromagnet (31) moves up and down, the cylinder barrel of first single-acting cylinder (32) and pedestal (33) fixed company It connects;The translating device includes the fixed plate (35) being arranged above pedestal (33), the second single-acting cylinder (34), is arranged in base Sliding block (36) between seat (33) and fixed plate (35), the bottom of the fixed plate (35) is provided with dovetail groove, the sliding block (36) upper end is provided with convex block (361) compatible with dovetail groove, and the lower end and pedestal (33) of the sliding block (36) are fixed to be connected It connects, the pedestal (33) is driven by the second single-acting cylinder (34) and does translation reciprocating motion along the direction that dovetail groove limits.
2. a kind of neodymium iron boron strip alloy sheet crushing system special according to claim 1, it is characterised in that: described second The inside for the treatment of trough (22) also fill by ethyl alcohol (26) cover foamed plastics layers of balls (27), the foamed plastics layers of balls (27) by The spherical foam plastic pellet that several density are less than ethyl alcohol (26) forms.
3. a kind of neodymium iron boron strip alloy sheet crushing system special according to claim 1, it is characterised in that: described second The side wall for the treatment of trough (22) is provided with waste discharge hole, and the junction setting of the lower end and the first treatment trough (20) of the partition (21) exists The lower section in waste discharge hole, the lower end of the partition (21) and the junction of the first treatment trough (20) and waste discharge hole are respectively positioned on the first processing The same side of slot (20), the outside of first treatment trough (20) are provided with the waste valve (29) being connected with waste discharge hole.
4. a kind of neodymium iron boron strip alloy sheet crushing system special according to claim 1, it is characterised in that: the electromagnetism The lower end surface of iron (31) is inclined-plane, and the lower end surface of the electromagnet (31) and the upper surface of partition (21) are parallel to each other.
5. a kind of neodymium iron boron strip alloy sheet crushing system special according to claim 1, it is characterised in that: the heat exchange The side of room (23) is provided with inlet opening, and the other side of the Heat Room (23) is provided with apopore, the height of the apopore Higher than the height of inlet opening, the outside of the Heat Room (23) is provided with the inlet valve (24) being connected with inlet opening, described to change The outside in hot cell (23) is provided with the outlet valve (25) being connected with apopore.
6. a kind of neodymium iron boron strip alloy sheet crushing system special according to claim 1, it is characterised in that: the heat exchange The alternate internal of room (23) is provided with multiple metal baffles (28).
CN201821526935.3U 2018-09-18 2018-09-18 A kind of neodymium iron boron strip alloy sheet crushing system special Expired - Fee Related CN209205397U (en)

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CN201821526935.3U CN209205397U (en) 2018-09-18 2018-09-18 A kind of neodymium iron boron strip alloy sheet crushing system special

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CN201821526935.3U CN209205397U (en) 2018-09-18 2018-09-18 A kind of neodymium iron boron strip alloy sheet crushing system special

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109248736A (en) * 2018-09-18 2019-01-22 安徽包钢稀土永磁合金制造有限责任公司 A kind of neodymium iron boron strip alloy sheet crushing system special

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109248736A (en) * 2018-09-18 2019-01-22 安徽包钢稀土永磁合金制造有限责任公司 A kind of neodymium iron boron strip alloy sheet crushing system special
CN109248736B (en) * 2018-09-18 2023-08-25 北方稀土(安徽)永磁科技有限公司 Crushing system special for neodymium iron boron ribbon alloy sheet

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Address after: 230000 north side of Juner Road, Wanshan Town, Lujiang County, Hefei City, Anhui Province

Patentee after: North rare earth (Anhui) permanent magnet Technology Co.,Ltd.

Address before: 230000 north side of Juner Road, Wanshan Town, Lujiang County, Hefei City, Anhui Province

Patentee before: ANHUI BAO TOU STEEL RARE EARTH PERMANENT MAGNETIC ALLOY INDUSTRY Co.,Ltd.

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Granted publication date: 20190806

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