CN208352049U - Improve the device of sintered Nd-Fe-B permanent magnetic material consistency - Google Patents
Improve the device of sintered Nd-Fe-B permanent magnetic material consistency Download PDFInfo
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- CN208352049U CN208352049U CN201820898026.6U CN201820898026U CN208352049U CN 208352049 U CN208352049 U CN 208352049U CN 201820898026 U CN201820898026 U CN 201820898026U CN 208352049 U CN208352049 U CN 208352049U
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Abstract
The utility model discloses a kind of devices for improving sintered Nd-Fe-B permanent magnetic material consistency, it include: seal box, its top has the powder inlet for the flour extraction pipe hermetically passing for making airflow milling, the sealing lower box part connection is equipped with diversion pipe, the diversion pipe lower end is located on the outside of the seal box, and is connected to powder holding vessel；Transition funnel is set in the seal box, and transition funnel top is opening-like to accept the powder imported by flour extraction pipe, wherein transition funnel lower end is equipped with openable and closable lower sealing cover；Expect agent spraying mechanism, it includes fixing end and the first affixed cylinder of the seal box side wall, the free end of first cylinder piston rod is installed with top cover labyrinth, and the top cover labyrinth, which runs through, is equipped with the first installing port, installs the first material agent spray head in first installing port.The utility model not only shortens mixing time, but also can make powder particle uniformity, improves the compression moulding of powder and the consistency of magnet performance.
Description
Technical field
The utility model relates to rare-earth permanent-magnet material technical fields.More specifically, the utility model relates to a kind of raisings
The device of sintered Nd-Fe-B permanent magnetic material consistency.
Background technique
In recent years, the development of rare earth permanent-magnetic material is very rapid, is widely used in many fields, rare earth
Permanent-magnet material is divided into rare-earths-cobalt system and Nd Fe B alloys two major classes, since sintered NdFeB has very high remanence
The market demand of intensity, magnetic energy product and coercivity, sintered Nd-Fe-B permanent magnet sharply increases, while wanting to its performance quality
Ask also higher and higher.And sintered Nd-Fe-B permanent magnet is prepared using techniques such as powder metallurgy, die mould, sintering, and powder smelting
Gold is used as initial link, and the quality of powder plays a crucial role the performance of magnet.In traditional work of sintered NdFeB
In industry production, after airflow milling powder, the homogeneity of powder particle size and powder particle shape is poor, needs by mixing powder
Technique further improves powder.
Currently, commonly mixed powder device is that powder by the gross and additive are once poured into powder storage according to a certain percentage
Tank, the powder that this powder mixing method first touches additive during mixed powder are easily reunited, and fully wrapped around rear contact is difficult
Powder.
Utility model content
One purpose of the utility model is to solve at least the above problems, and provide the advantages of at least will be described later.
There are one purposes to be to provide a kind of device for improving sintered Nd-Fe-B permanent magnetic material consistency for the utility model,
It realizes and imports powder in batches, and to the powder spraying additive imported every time, increase the contact surface of additive and powder
Product, avoids powder from reuniting.
In order to realize these purposes and other advantages according to the present utility model, a kind of raising sintered NdFeB is provided forever
The device of magnetic material consistency, comprising:
Seal box, top have the powder inlet for the flour extraction pipe hermetically passing for making airflow milling, the sealing lower box part connection
Equipped with diversion pipe, the diversion pipe lower end is located on the outside of the seal box, and is connected to powder holding vessel；
Transition funnel is set in the seal box, and transition funnel top is opening-like to pass through flour extraction pipe to accept
The powder of importing, wherein transition funnel lower end is equipped with openable and closable lower sealing cover, and lower sealing cover is opened with by the transition
Powder in funnel imports diversion pipe；
Expect agent spraying mechanism comprising fixing end and the first affixed cylinder of the seal box side wall, first cylinder
The free end of piston rod is installed with top cover labyrinth, and the top cover labyrinth, which runs through, is equipped with the first installing port, in first installing port
First material agent spray head of spraying additive downward is installed, wherein the piston rod elongation of first cylinder drives described close
Capping is mobile towards the transition funnel, so that the top cover labyrinth is covered on above the transition funnel, and first material
Agent spray head is located above the transition funnel, and the piston rod of first cylinder, which shortens, drives the top cover labyrinth far from the mistake
It is mobile to cross funnel, so that the upright projection of the top cover labyrinth and the upright projection of the transition funnel are non-intersecting.
Preferably, the diversion pipe includes inverted round table shape discharging portion and the interconnecting piece that is connected to the discharging portion,
The bottom of the transition funnel is lower than the overhead height of the discharging portion, seal box bottom described in the hermetically passing of the interconnecting piece lower end
Portion is connected to powder holding vessel, and the interconnecting piece is affixed by pipe collar with powder holding vessel；
Further include: bracket, the seal box are placed on the bracket, and the powder holding vessel is located at below the bracket.
Preferably, the transition funnel is inverted round table shape.
Preferably, further includes:
Guide pipe, sliding sleeve are set to the flour extraction pipe and are located at the part in seal box；
Second cylinder, fixing end are fixedly arranged on the top of the seal box, and the piston-rod lower end of second cylinder is horizontal
It is installed with first connecting rod, the free end of the first connecting rod and the lateral wall of the guide pipe are affixed, when second gas
When cylinder piston rod extends, the bottom of the guide pipe is lower than the overhead height of the transition funnel.
Preferably, it is installed with fixed plate, horizontal interval in the fixed plate vertically on transition funnel outer
It is fixed that there are two slide bar, outer diameter of the distance between two slide bars greater than the guide pipe, wherein horizontal in the top cover labyrinth
Through setting there are two first sliding groove, two slide bars slide respectively to be set in two first sliding grooves at interval.
Preferably, one end of the lower sealing cover is hingedly arranged with transition funnel lower end；
Further include: oscillating cylinder, fixing end and the seal box side wall are affixed, the freedom of the oscillating cylinder piston rod
End is installed with swing arm, and the free end of the swing arm is hingedly equipped with the second connecting rod, the free end of second connecting rod with
The lower sealing cover is hingedly arranged, and when the swing arm is when in a horizontal state, the lower sealing cover is in open state, works as institute
When stating swing arm and being in upward heeling condition, the lower sealing cover is in closed state.
Preferably, the material agent spraying mechanism further includes the atomizer being fixedly arranged on outside the seal box, the atomizer
Liquid outlet be communicated with outlet tube, the outlet tube passes through the seal box side wall and is connected to the first material agent spray head.
Preferably, the transition funnel is tilted is arranged with partition, and the upper end of the partition and the transition funnel
Upper end is concordant, and the transition funnel is divided into first chamber, second chamber by the partition, at the piston rod of second cylinder
When elongation state, the guide pipe sprays powder towards the first chamber；
Further include: the second material agent spray head, through being equipped with the second installing port, the second material agent spray head on the top cover labyrinth
It is installed in second installing port, the second material agent spray head is communicated with the second branch pipe, second branch pipe and the liquid out
Pipe connection, when the piston rod of first cylinder is in elongation state, the first material agent spray head is towards the first chamber
Spraying additive, the second material agent spray head is towards the second chamber spraying additive；
Rotary cylinder, fixing end and seal box side wall are affixed, and the free end level of the rotary cylinder piston rod is fixed
There is a third connecting rod, the third connecting rod sealing turns through the side wall of the transition funnel so that the third connecting rod
Free end is located in the transition funnel；
Turntable, it is affixed with the free end of the third connecting rod, and the turntable is parallel with the partition abuts setting；
Wherein, the partition is between the upper and lower every through being equipped with multiple first flour openings, and one of flour opening be located at it is described
The bottom of partition, the turntable run through the second flour opening being equipped with the first flour opening equal amount, the rotary pneumatic
The piston rod rotation of cylinder is connected to driving the turntable to turn to first flour opening with second flour opening one-to-one correspondence.
The utility model is include at least the following beneficial effects:
The first, traditional disposable mixed powder with being changed to sandwich-type continuous penetrating is enable liquid additive by the utility model
Enough surfaces for being wrapped in powder more evenly, on the one hand effectively shorten mixing time, on the other hand improve the anti-of powder
The uniformity consistency of oxidisability, mobility and powder improves the compression moulding of powder, improves Nd-Fe-B permanent magnet material
Consistency.
The second, openable and closable lower sealing cover and material agent spraying mechanism are set, added this arrangement achieve that being added in batches
Add agent, improve the uniformity consistency of powder, shortens mixing time, while top cover labyrinth can be to avoid point of additive and powder
It dissipates, seal box is set, this set effectively prevents influence of the extraneous oxygen to powder, avoids the oxidation of powder.
Third, setting guide pipe and the second cylinder, on the one hand in charging by being led described in the drive of the second cylinder piston rod
The bottom for being moved downward to the guide pipe to pipe is lower than the overhead height of the transition funnel, and powder is guided to transition funnel
It is interior, powder dispersion when importing transition funnel is avoided, the waste of material is caused, on the other hand passes through the second cylinder after the completion of charging
The bottom for moving to the guide pipe on the guide pipe is driven to be lower than the overhead height of the transition funnel, this set not only subtracts
Lacked top cover labyrinth it is mobile when frictional force, extend the time that uses of top cover labyrinth, and it is possible to prevente effectively from guide pipe to the
The influence of one material agent spray head spraying additive, keeps additive spray effect more preferable.
4th, partition, the first flour opening are set, the transition funnel is on the one hand divided by the first chamber by setting partition
Room, second chamber, powder can be increased the contact area of powder and additive by the process that first chamber flows into second chamber, no
Only shorten the time of mixed powder, and can make additive it is more uniform be wrapped in powder surface, improve the uniformity of powder, from
And the consistency of sintered Nd-Fe-B permanent magnetic material is further increased, on the other hand the first flour opening is this to set between the upper and lower every setting
Setting can make the powder in first chamber step into second chamber, increase powder and the time of contact of additive and contact
Area improves mixed powder efficiency, shortens mixing time
5th, turntable, the second flour opening and rotary cylinder are set, turntable rotation is driven by rotary cylinder, makes second
Flour opening and the first flour opening one-to-one correspondence be connected tos, can be to avoid powder directly by first chamber into the when this set is fed
Two chambers cause the powder contact positioned at the first chamber, second chamber bottom that it is non-uniform mixed powder occur less than additive
Phenomenon.
The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the dress that sintered Nd-Fe-B permanent magnetic material consistency is improved described in one of technical solution of the utility model
Set the structural schematic diagram in feed state；
Fig. 2 is the dress that sintered Nd-Fe-B permanent magnetic material consistency is improved described in one of technical solution of the utility model
Set the structural schematic diagram in spraying additive state；
Fig. 3 is the dress that sintered Nd-Fe-B permanent magnetic material consistency is improved described in one of technical solution of the utility model
Set the structural schematic diagram in discharge state；
Fig. 4 is the dress that sintered Nd-Fe-B permanent magnetic material consistency is improved described in one of technical solution of the utility model
Set the structural schematic diagram in spraying additive state；
Fig. 5 is the structural schematic diagram of partition described in one of technical solution of the utility model；
Fig. 6 is the structural schematic diagram of turntable described in one of technical solution of the utility model；
Fig. 7 is the structural schematic diagram of turntable described in one of technical solution of the utility model.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation
Book text can be implemented accordingly.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other elements or combinations thereof.
As shown in figs. 1-7, the utility model provides a kind of device for improving sintered Nd-Fe-B permanent magnetic material consistency, packet
It includes:
Seal box 1, top has the powder inlet for flour extraction pipe 3 hermetically passing for making airflow milling 2 so that the flour extraction pipe 3
Lower part is located in the seal box 1, and 1 lower part of the seal box connection is equipped with diversion pipe, and the diversion pipe lower end is located at described close
1 outside of joint sealing, and be connected to powder holding vessel 16；
Transition funnel 5 is set in the seal box 1, and 5 top of transition funnel is opening-like to accept by going out powder
The powder that pipe 3 imports, wherein 5 lower end of transition funnel is equipped with openable and closable lower sealing cover 8, and lower sealing cover 8 is opened with by institute
The powder stated in transition funnel 5 imports diversion pipe；
Expect agent spraying mechanism comprising fixing end and the first affixed cylinder 10 of 1 side wall of seal box, first gas
The free end of 10 piston rod of cylinder is installed with top cover labyrinth 6, and the top cover labyrinth 6, which runs through, is equipped with the first installing port, first peace
The first material agent spray head 18 towards 5 spraying additive of transition funnel is installed, the first material agent spray head 18 is most in dress mouth
Low side can be slightly below the height of first installing port bottom end, wherein the piston rod of first cylinder 10 drives described close
Capping 6 is mobile towards the transition funnel 5, so as to be covered on 5 top of transition funnel (described close for the top cover labyrinth 6
Have certain gap between capping lower surface and the transition funnel, but powder is not enough to disperse out from gap), and institute
It states the first material agent spray head 18 and is located at 5 top of transition funnel, it is described close that the piston rod of first cylinder 10 shortens drive
Capping 6 is mobile far from the transition funnel 5, so that the vertical throwing of the upright projection of the top cover labyrinth 6 and the transition funnel 5
Shadow is non-intersecting.
In this technical solution, the powder holding vessel 16, which needs repeatedly to import powder, can just be filled, in use process, into
When material, the lower sealing cover 8 is in closed state, so that powder is temporarily stored in the transition funnel 5, powder is by flour extraction pipe
3 enter the transition funnel 5, and after charging, the first cylinder 10 work, the piston rod of first cylinder 10 drives and seals
Lid 6 is moved to above the transition funnel 5, is opened 18 spraying additive of the first material agent spray head and is carried out mixed powder, when discharging, institute
It states lower sealing cover 8 and is in folding condition, powder is entered in powder holding vessel 16 by diversion pipe, and once mixed powder is completed.Using the skill
Art scheme adds liquid firstly, traditional disposable mixed powder is continuously sprayed into additive by the utility model with being changed to sandwich-type
Agent can more evenly be wrapped in the surface of powder, on the one hand effectively shorten mixing time, on the other hand improve powder
Inoxidizability, mobility and powder uniformity consistency, improve the compression moulding of powder, improve Nd-Fe-B permanent magnetic
The consistency of material；Secondly, setting seal box 1, this set effectively prevent influence of the extraneous oxygen to powder, avoid powder
Oxidation；Finally, openable and closable lower sealing cover 8 and material agent spraying mechanism is arranged, add this arrangement achieve that being added in batches
Add agent, improve the uniformity consistency of powder, shortens mixing time, while top cover labyrinth 6 can be to avoid point of additive and powder
It dissipates.
In another technical solution, the diversion pipe include inverted round table shape discharging portion 7 and with the discharging portion 7
The interconnecting piece of connection, the distance between 5 bottom of transition funnel and 7 bottom of discharging portion are less than the height of the discharging portion 7
To prevent powder dispersion when falling into discharging portion 7,1 bottom of seal box described in the hermetically passing of the interconnecting piece lower end and powder store up degree
The connection of tank 16 is deposited, the interconnecting piece is affixed by pipe collar with powder holding vessel 16；
Further include: bracket 17, the seal box 1 are placed on the bracket 17, and the powder holding vessel 16 is located at the branch
17 lower section of frame.Using the technical solution, discharging portion is set as inverted round table shape, and 5 bottom of transition funnel and the discharging
The distance between 7 bottom of portion is less than the height of the discharging portion 7, and this set is more advantageous to discharging portion undertaking and is leaked by the transition
Powder derived from bucket 5, avoids powder from dispersing.
In another technical solution, the transition funnel 5 is inverted round table shape.Using the technical solution, it is convenient for powder
Diversion pipe is imported by transition funnel 5.
In another technical solution, further includes:
Guide pipe 4, bottom end is opening-like, and the internal diameter of the guide pipe 4 is not less than the diameter of the flour extraction pipe 3, slides
It is dynamic to be sheathed on that (specific implementation are as follows: the flour extraction pipe 3 has at least two tracks, the guide pipe 4 along its length
Top to internal condensation formed inner ring be slightly larger than 3 lateral wall of flour extraction pipe annulus, the annulus be equipped with and the track
The convex block to match, the guide pipe are sealed relative to the flour extraction pipe 3 and are slided) flour extraction pipe 3 is located in seal box 1
Part；
Second cylinder 9, fixing end are fixedly arranged on the top of the seal box 1, the piston-rod lower end water of second cylinder 9
Flat to be installed with first connecting rod 13, the free end of the first connecting rod 13 and the lateral wall of the guide pipe 4 are affixed, when described
When second cylinder, 9 piston rod extends, the bottom of the guide pipe 4 is lower than the overhead height of the transition funnel 5, when described second
When 9 piston rod of cylinder shortens, the bottom of the guide pipe 4 is higher than the overhead height of the transition funnel 5.In use process, into
When material, the second cylinder 9 work, the bottom that the guide pipe 4 is moved to the guide pipe 4 is lower than the top of the transition funnel 5
Highly, after the completion of charging, the second cylinder 9 stops working, and the bottom of the guide pipe 4 is moved on the guide pipe 4 higher than described
The overhead height of transition funnel 5.Using the technical solution, guide pipe 4 and the second cylinder 9 are set, on the one hand passed through in charging
Second cylinder, 9 piston rod drives the guide pipe 4 to be moved downward to the bottom of the guide pipe 4 lower than the transition funnel 5
Overhead height guides powder to transition funnel 5, avoids powder dispersion when importing transition funnel 5, causes the wave of material
Take, on the other hand drives the bottom for moving to the guide pipe 4 on the guide pipe 4 to be lower than by the second cylinder 9 after the completion of charging
The overhead height of the transition funnel 5, this set not only reduce the frictional force when movement of top cover labyrinth 6, seal in extension
Lid 6 uses the time, and it is possible to prevente effectively from influence of the guide pipe 4 to 18 spraying additive of the first material agent spray head, makes to add
Agent spray effect is more preferable.
In another technical solution, it is installed with fixed plate, the fixed plate vertically on the 5 top outer of transition funnel
Upper horizontal interval is fixed there are two slide bar, and the distance between two slide bars are greater than the outer diameter of the guide pipe 4, wherein on described
Through setting, there are two first sliding groove, two slide bar difference for sealing cover 6 (top cover labyrinth 6 has certain thickness) interior horizontal interval
Sliding is set in two first sliding grooves.Using the technical solution, slide bar is set, the distance between two slide bars are set greater than
The outer diameter of the guide pipe 4, and then realize that the bottom of the guide pipe 4 when charging is lower than the height of the slide bar, this set
Powder dispersion is not only avoided, and can be fallen in avoid powder on two slide bars, the frictional force that top cover labyrinth 6 slides is reduced,
Extend the use time of top cover labyrinth 6 and slide bar.
In another technical solution, (concretely diameter is bigger for the lower sealing cover 8 for one end of the lower sealing cover 8
In the circular configuration of 5 base diameter of transition funnel, one end of the lower sealing cover 8 is specially table on the top cover labyrinth 6
Face edge) it is cut with scissors with 5 lower end of transition funnel (outer that 5 lower end of transition funnel is specially 5 bottom of transition funnel)
Connect setting；
Further include: oscillating cylinder 12, fixing end and 1 side wall of seal box are affixed, 12 piston rod of oscillating cylinder
Free end be installed with swing arm 40, the free end of the swing arm 40 is hingedly equipped with the second connecting rod 14, second connection
The free end of bar 14 and the hingedly setting of the lower sealing cover 8, when the swing arm 40 is in the horizontality (oscillating cylinder 12
In original state) when, the lower sealing cover 8 is in open state, when to be in upward heeling condition (described for the swing arm 40
Oscillating cylinder 12 is in running order) when, the lower sealing cover 8 is in closed state.Using the technical solution, setting swings gas
Cylinder 12, swing arm 40, the second connecting rod 14 realize spinning upside down for the lower sealing cover 8 by this design, not only structure
It is simple easily controllable, and the generation of frictional force is avoided, extend lower sealing cover 8 uses the time.
In another technical solution, the material agent spraying mechanism further includes the atomizer being fixedly arranged on outside the seal box 1
11, the liquid outlet of the atomizer 11 is communicated with outlet tube, and the outlet tube passes through 1 side wall of seal box and first material
Agent spray head 18 is connected to.Using the technical solution, steam is formed by 11 processing of atomizer by this set liquid additive, is made
Additive is uniformly contacted with powder, is avoided powder and is reunited, keeps powder more uniform.
In another technical solution, the transition funnel 5 is tilted to be arranged with partition 25 (the preferably described partition 25 is most
Low side is higher than the bottom level of the transition funnel 5), and the upper end of the partition 25 is concordant with 5 upper end of transition funnel, institute
It states partition 25 to divide the transition funnel 5 for first chamber 24, second chamber 26, when the piston rod of second cylinder 9 is in
When elongation state (overhead height that elongation state, that is, guide pipe 4 bottom is lower than the transition funnel 5), the guide pipe
4 spray powder towards the first chamber 24, that is, powder can only enter the first chamber 24 when feeding；
Further include: the second material agent spray head 25, through being equipped with the second installing port, the second material agent on the top cover labyrinth 6
Spray head 25 be installed in second installing port (height of 25 least significant end of the second material agent spray head can be slightly below it is described second peace
Fill the height of mouth bottom end), the second material agent spray head 25 is communicated with the second branch pipe, and second branch pipe and the outlet tube connect
Logical, when the piston rod of first cylinder 10 is in elongation state, (elongation state is that the top cover labyrinth 6 is located exactly at institute
State right above transition funnel 5), the first material agent spray head 18 is towards 24 spraying additive of first chamber, second material
Agent spray head 25 is towards 26 spraying additive of second chamber；
Rotary cylinder 20, fixing end and 1 side wall of seal box are affixed, and the free end of 20 piston rod of rotary cylinder is horizontal
It is installed with third connecting rod 27, the third connecting rod 27 seals the side wall for turning through the transition funnel 5 so that described the
The free end of three connecting rods 27 is located in the transition funnel 5；
Turntable 31, it is affixed with the free end of the third connecting rod 27, and the turntable 31 is parallel with the partition 25
Abut rotation setting；
Wherein, the partition 25 is between the upper and lower every through multiple first flour openings 30 are equipped with, and one of flour opening is located at
So that the powder in the first chamber 24 all imports powder holding vessel 16, the turntable 31 runs through the bottom of the partition 25
Equipped with the second flour opening 32 with 30 equal amount of the first flour opening, the piston rod rotation of the rotary cylinder 20 is to drive
The turntable 31 turns to first flour opening 30 and is connected to second flour opening 32 one-to-one correspondence.In use process, powder
End imports the first chamber 24 by guide pipe 4, firstly, the first cylinder 10 works, the first material agent spray head 18 is located at described the
The top of one chamber 24, the second material agent spray head 25 are located at 26 top of second chamber, secondly, opening the first material agent spray head 18, the
Two material agent spray heads 25, again, rotary cylinder 20 work, and the piston rod of rotary cylinder 20 drives the turntable 31 to turn to described the
One flour opening 30, the second flour opening 32 correspond connection, and amount of powder is entered by the first flour opening 30, the second flour opening 32
Second chamber 26, until spraying additive terminates.Using the technical solution, first setting partition 25, the first flour opening 30, on the one hand
The transition funnel 5 is divided for first chamber 24, second chamber 26 by setting partition 25, powder flows into the by first chamber 24
The process of two chambers 26 can increase the contact area of powder and additive, not only shorten the time of mixed powder, but also can make to add
Add agent it is more uniform be wrapped in powder surface, the uniformity of powder is improved, to further increase sintered NdFeB permanent magnet material
The consistency of material, on the other hand for the first flour opening 30 between the upper and lower every setting, this set can make the powder in first chamber 24
Second chamber 26 is stepped into, time of contact and the contact area of powder and additive are increased, mixed powder efficiency is improved, shortens
Mixing time, while one of them first flour opening 30 is located at the bottom of the partition 25, this set can make the first chamber
Powder in room 24 all imports powder holding vessel 16, improves the utilization rate of material, avoids wasting；Secondly, the first material agent of setting is sprayed
First 18 and the second material agent spray head 25, and the first material agent spray head 18, the second material agent spray head 25 are respectively facing first chamber 24,
Two chambers, 26 spraying additive, one side this set can increase the contact area of powder and additive, avoid some powder
Additive is not reached, influences the uniformity of powder, another aspect this set can be to avoid remaining in first chamber 24
Powder contact influences mixed powder effect less than additive；Finally, setting turntable 31, the second flour opening 32 and rotary cylinder
20, it drives turntable 31 to rotate by rotary cylinder 20, corresponds the second flour opening 32 with the first flour opening 30 and be connected to, it is this
Setting charging when can to avoid powder directly by first chamber 24 enter second chamber 26, cause be located at the first chamber 24,
There is the mixed non-uniform phenomenon of powder less than additive in the powder contact of 26 bottom of second chamber.
Number of devices and treatment scale described herein are the explanations for simplifying the utility model.To the utility model
Improve the application of the device of sintered Nd-Fe-B permanent magnetic material consistency, modifications and variations are aobvious to one skilled in the art
And it is clear to.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (8)
1. improving the device of sintered Nd-Fe-B permanent magnetic material consistency characterized by comprising
Seal box, top have the powder inlet for the flour extraction pipe hermetically passing for making airflow milling, and the sealing lower box part connection is equipped with
Diversion pipe, the diversion pipe lower end is located on the outside of the seal box, and is connected to powder holding vessel；
Transition funnel is set in the seal box, and transition funnel top is opening-like to be imported with accepting by flour extraction pipe
Powder, wherein transition funnel lower end is equipped with openable and closable lower sealing cover, and lower sealing cover is opened with by the transition funnel
Interior powder imports diversion pipe；
Expect agent spraying mechanism comprising fixing end and the first affixed cylinder of the seal box side wall, first cylinder piston
The free end of bar is installed with top cover labyrinth, and the top cover labyrinth, which runs through, is equipped with the first installing port, installation in first installing port
There is the first material agent spray head of spraying additive downward, wherein the piston rod elongation of first cylinder drives the top cover labyrinth
Mobile towards the transition funnel, so that the top cover labyrinth is covered on above the transition funnel, and the first material agent is sprayed
Head is located above the transition funnel, and the piston rod of first cylinder, which shortens, drives the top cover labyrinth to leak far from the transition
Bucket movement, so that the upright projection of the top cover labyrinth and the upright projection of the transition funnel are non-intersecting.
2. improving the device of sintered Nd-Fe-B permanent magnetic material consistency as described in claim 1, which is characterized in that the water conservancy diversion
Pipe includes inverted round table shape discharging portion and the interconnecting piece being connected to the discharging portion, and the bottom of the transition funnel is lower than institute
The overhead height of discharging portion is stated, seal box bottom described in the hermetically passing of the interconnecting piece lower end is connected to powder holding vessel, the company
Socket part is affixed by pipe collar with powder holding vessel；
Further include: bracket, the seal box are placed on the bracket, and the powder holding vessel is located at below the bracket.
3. improving the device of sintered Nd-Fe-B permanent magnetic material consistency as described in claim 1, which is characterized in that the transition
Funnel is inverted round table shape.
4. improving the device of sintered Nd-Fe-B permanent magnetic material consistency as described in claim 1, which is characterized in that further include:
Guide pipe, sliding sleeve are set to the flour extraction pipe and are located at the part in seal box；
Second cylinder, fixing end are fixedly arranged on the top of the seal box, and the piston-rod lower end level of second cylinder is fixed
There is first connecting rod, the free end of the first connecting rod and the lateral wall of the guide pipe are affixed, when second cylinder is living
When stopper rod extends, the bottom of the guide pipe is lower than the overhead height of the transition funnel.
5. improving the device of sintered Nd-Fe-B permanent magnetic material consistency as claimed in claim 4, which is characterized in that the transition
Fixed plate is installed on funnel outer vertically, horizontal interval is fixed there are two slide bar in the fixed plate, two slide bars it
Between distance be greater than the outer diameter of the guide pipe, wherein in the top cover labyrinth horizontal interval through setting there are two first sliding groove,
Two slide bars slide respectively to be set in two first sliding grooves.
6. improving the device of sintered Nd-Fe-B permanent magnetic material consistency as described in claim 1, which is characterized in that close under described
One end of capping is hingedly arranged with transition funnel lower end；
Further include: oscillating cylinder, fixing end and the seal box side wall are affixed, and the free end of the oscillating cylinder piston rod is solid
Equipped with swing arm, the free end of the swing arm is hingedly equipped with the second connecting rod, the free end of second connecting rod with it is described
Lower sealing cover is hingedly arranged, and when the swing arm is when in a horizontal state, the lower sealing cover is in open state, when the pendulum
When swing arm is in upward heeling condition, the lower sealing cover is in closed state.
7. improving the device of sintered Nd-Fe-B permanent magnetic material consistency as claimed in claim 4, which is characterized in that the material agent
Spraying mechanism further includes the atomizer being fixedly arranged on outside the seal box, and the liquid outlet of the atomizer is communicated with outlet tube, described
Outlet tube passes through the seal box side wall and is connected to the first material agent spray head.
8. improving the device of sintered Nd-Fe-B permanent magnetic material consistency as claimed in claim 7, which is characterized in that the transition
Funnel is tilted to be arranged with partition, and the upper end of the partition is concordant with transition funnel upper end, and the partition is by the mistake
It crosses funnel and is divided into first chamber, second chamber, when the piston rod of second cylinder is in elongation state, the guide pipe court
Powder is sprayed to the first chamber；
Further include: the second material agent spray head, through being equipped with the second installing port, the second material agent spray head installation on the top cover labyrinth
In in second installing port, the second material agent spray head is communicated with the second branch pipe, and second branch pipe and the outlet tube connect
Logical, when the piston rod of first cylinder is in elongation state, the first material agent spray head is sprayed towards the first chamber
Additive, the second material agent spray head is towards the second chamber spraying additive；
Rotary cylinder, fixing end and seal box side wall are affixed, and the free end level of the rotary cylinder piston rod is installed with
Three connecting rods, third connecting rod sealing turn through the side wall of the transition funnel so that the third connecting rod freedom
End is located in the transition funnel；
Turntable, it is affixed with the free end of the third connecting rod, and the turntable is parallel with the partition abuts setting；
Wherein, the partition is between the upper and lower every through multiple first flour openings are equipped with, and one of flour opening is located at the partition
Bottom, the turntable, which runs through, is equipped with the second flour opening with the first flour opening equal amount, the rotary cylinder
Piston rod rotation is connected to driving the turntable to turn to first flour opening with second flour opening one-to-one correspondence.
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| CN201820898026.6U CN208352049U (en) | 2018-06-11 | 2018-06-11 | Improve the device of sintered Nd-Fe-B permanent magnetic material consistency |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306940A (en) * | 2020-03-12 | 2020-06-19 | 浙江吉成新材股份有限公司 | Boron carbide ceramic pressureless sintering process and device |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306940A (en) * | 2020-03-12 | 2020-06-19 | 浙江吉成新材股份有限公司 | Boron carbide ceramic pressureless sintering process and device |
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