CN106216704B - A kind of feed arrangement and plasma combine centrifugal atomizing fuel pulverizing plant - Google Patents
A kind of feed arrangement and plasma combine centrifugal atomizing fuel pulverizing plant Download PDFInfo
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- CN106216704B CN106216704B CN201610883827.0A CN201610883827A CN106216704B CN 106216704 B CN106216704 B CN 106216704B CN 201610883827 A CN201610883827 A CN 201610883827A CN 106216704 B CN106216704 B CN 106216704B
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- clamping piece
- feed arrangement
- impeller
- bar material
- metal bar
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/10—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying using centrifugal force
Abstract
A kind of feed arrangement, belongs to made of metal pink collar domain, including：Tube body, the clamping piece for clamping the metal bar material and for driving driving device of the clamping piece along the axial line sustained vibration of the tube body.Present invention also offers a kind of plasma to combine centrifugal atomizing fuel pulverizing plant, including shell, multiple plasma guns, spray disk, centrifugal turntable and above-mentioned feed arrangement.The feed arrangement is in use, clamping part drives metal bar material to be in lasting vibration, the metal bar material that molten drop need not reach critical mass and can be vibrated is thrown away, the molten drop of formation is with regard to smaller, again when subsequent treatment, it is more favorable for obtaining the metal dust of granularity smaller.Such ion population centrifugal atomizing fuel pulverizing plant, vibration charging, gas impact and centrifugation powder are combined together, acts synergistically, the metal dust of granularity smaller, size distribution evenly can be made.
Description
Technical field
The present invention relates to made of metal pink collar domain, in particular to a kind of feed arrangement and plasma combination centrifugation mist
Change fuel pulverizing plant.
Background technology
With the rapid development of the technologies such as injection moulding, thermal spraying, 3D printing, requirement of the people to metal dust is increasingly
Shape, granularity, size distribution and the degree of purity of height, especially metal dust, even more directly influence injection moulding, thermal spraying, 3D
The finished product effect that the technologies such as printing produce, and limit an important factor for these technologies develop.
In the prior art, atomization is the main method for preparing globular metallic powder, it includes gas atomization and centrifugation mist
Change.Gas atomization forms impact grinding to realize atomization by the inert gas of high speed to molten drop, and is finally frozen into powder,
The metal dust good sphericity that gas atomization is formed, but particle size distribution is wider, particle refinement uniformity deficiency and inside lack
Fall into more.Centrifugal atomization is to throw away molten drop by centrifugal force and condense and obtain spherical powder, and centrifugal force mainly leans on
The high speed of the high speed rotation of metal bar material itself or the centrifugal turntable positioned at metal bar material lower end is rotated to realize.But this kind of skill
Art is mainly limited be subject to the rotating speed of metal bar material or centrifugal turntable, and the metal dust granularity of preparation is larger.The prior art is simultaneously
It cannot meet that people are extremely urgent to metal dust increasingly higher demands, the exploitation of new powder-making technique.
The content of the invention
It is an object of the invention to provide a kind of feed arrangement, it can drive gold by itself lasting dither
Belong to the vibration of bar, metal bar material can be departed from when metal bar material melts and forms less molten drop, so as to obtain
Obtain the metal dust of smaller particle size.
Another object of the present invention is to provide a kind of plasma combination centrifugal atomizing fuel pulverizing plant, it includes above-mentioned charging
Device, inert gas spray disk and centrifugal turntable, under multipart synergistic effect, obtain granularity smaller, size distribution evenly
Metal dust.
What the embodiment of the present invention was realized in：
A kind of feed arrangement for plasma centrifugation balling machine, including tube body, clamping piece and driving device；Tube body has
Side wall, first end face and second end face, side wall are surrounded by the cavity of strip, and second end face is equipped with the passed through for metal bar material
One opening；Clamping piece activity is embedded among cavity, and for being clamped to metal bar material；Driving device includes being used to promote
Impeller of the clamping piece away from first end face, for promoting return unit of the clamping piece away from second end face and driving impeller
Power source, impeller and return unit are respectively arranged at the opposite sides of clamping piece；Driving device can drive clamping piece along tube body
Axial line sustained vibration.
Further, in the other preferred embodiments of the present invention, the inner wall of side wall is equipped with sliding slot along the axis direction of tube body,
The outer wall of clamping piece is equipped with the sliding block coordinated with sliding slot.
Further, in the other preferred embodiments of the present invention, clamping piece and impeller abut, and impeller is close to first end
The side in face is connected with for driving impeller around the bull stick of axial rotation, and bull stick is disposed through the second opening of first end face
It is connected with motor；Clamping piece includes the first bearing surface close to impeller, and the first bearing surface is provided with first along its diametric(al)
Convex block, the first convex block are included along first guide surface of the impeller rotation direction away from clamping piece；Impeller is included close to clamping
Second bearing surface of part, the second bearing surface along its diametric(al) be provided with can with the first bump contact and separated second convex block,
Second convex block includes second guide surface of the opposite direction away from impeller rotated along impeller.
Further, in the other preferred embodiments of the present invention, the cross section of the first convex block is to have a line to be located at first
Triangle in bearing surface；The cross section of second convex block is the triangle for having a line to be located in the second bearing surface.
Further, in the other preferred embodiments of the present invention, the first convex block is multiple, and multiple first convex blocks are around clamping
The axis annular of part is set.
Further, in the other preferred embodiments of the present invention, the second convex block is multiple, and multiple second convex blocks are around promotion
The axis annular of part is set.
Further, in the other preferred embodiments of the present invention, clamping piece is equipped with the first through hole passed through for metal bar material,
The hole wall of first through hole has two storage tanks being oppositely arranged close to the side of impeller；Clamping piece is further included for through gold
Belong to the latch of bar, latch both ends are respectively fallen in two storage tanks.
Further, in the other preferred embodiments of the present invention, return unit is spring, and one end and the second end face of spring connect
Connect, the other end is connected with clamping piece.
Further, in the other preferred embodiments of the present invention, the side wall of tube body includes the first side wall being detachably connected
And second sidewall, the first side wall are connected with first end face, second sidewall is connected with second end face.
A kind of plasma combines centrifugal atomizing fuel pulverizing plant, including shell, multiple plasma guns, spray disk, centrifugal turntable and
Above-mentioned feed arrangement, shell surround a closed cavity, and feed arrangement is located at the middle part of the roof of cavity, metal bar material
Fixing end is fixed on feed arrangement and the free end of metal bar material is extend into cavity, multiple plasma guns around be arranged at into
Expect to be equipped with spray disk around device and towards the free end of metal bar material, the free end lower section of metal bar material, spray and set in the middle part of disk
There is the second through hole passed through for molten drop, through the upper and lower surface of spray disk, the lower surface for spraying disk is equipped with the second through hole
Multiple puff prots, multiple puff prots set around the lower edge of the second through hole and are directed toward the axis of spray disk, spray and be provided with below disk
Centrifugal turntable.
The beneficial effect of the embodiment of the present invention is：In the prior art, plasma gun heats metal bar material, metal bar
Material melts and forms molten drop, only when the weight of molten drop reaches a critical mass, molten drop just meeting
Leave the surface of metal bar material and freely falling body is on centrifugal turntable, the molten drop that such mode is formed is larger.To adopt
Metal dust is set to obtain the particle diameter of smaller with existing technology, then the rotating speed requirement to centrifugal turntable is high, so being difficult to realize.
A kind of feed arrangement provided by the invention includes being used to clamp the clamping part of metal bar material and for driving clamping part sustained vibration
Driving device.In use, clamping part drives metal bar material to be in lasting vibration to this feed arrangement, molten metal
The metal bar material that drop need not reach critical mass (molten drop is smaller) and can be vibrated is thrown away, and is fallen on centrifugal turntable.
Since the molten drop initially formed is with regard to smaller, so when subsequent treatment, it is more favorable for obtaining granularity smaller
Metal dust.A kind of plasma combination centrifugal atomizing fuel pulverizing plant provided by the invention, including above-mentioned feed arrangement, inert gas
Disk and centrifugal turntable are sprayed, vibration charging, gas impact and centrifugation powder are combined together, acts synergistically, granularity can be made
The metal dust of smaller, size distribution evenly.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
A kind of decomposition diagram for feed arrangement that Fig. 1 is provided by first embodiment of the invention；
A kind of sectional view for feed arrangement that Fig. 2 is provided by first embodiment of the invention；
The cooperation of the clamping piece and metal bar material of a kind of feed arrangement that Fig. 3 is provided by first embodiment of the invention is illustrated
Figure；
The clamping piece and impeller cooperation schematic diagram for a kind of feed arrangement that Fig. 4 is provided by first embodiment of the invention；
A kind of sectional view for plasma combination powder by atomization device that Fig. 5 is provided by second embodiment of the invention.
Icon：100- feed arrangements；110- tube bodies；111- side walls；111a- the first side walls；111b- second sidewalls；112-
First end face；113- second end faces；114- cavitys；115- screw holes；116- first is open；117- sliding slots；120- clamping pieces；121-
Sliding block；122- first through hole；123- storage tanks；124- latches；The first convex blocks of 125-；The first bearing surfaces of 126-；127- first is led
To face；131- impellers；132- return units；133- bull sticks；The second convex blocks of 134-；The second bearing surfaces of 135-；136- second is oriented to
Face；140- metal bar materials；141- jacks；142- free ends；200- plasmas combine centrifugal atomizing fuel pulverizing plant；210- shells；
220- plasma guns；230- sprays disk；The second through holes of 231-；232- jet atomization chambers；233- puff prots；240- centrifugal turntables；
241- centrifuges shaft.
Embodiment
To make the purpose, technical scheme and advantage of embodiment of the present invention clearer, implement below in conjunction with the present invention
Attached drawing in mode, is clearly and completely described the technical solution in embodiment of the present invention, it is clear that described reality
The mode of applying is a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ability
The every other embodiment that domain those of ordinary skill is obtained without creative efforts, belongs to the present invention
The scope of protection.Therefore, below the detailed description of the embodiments of the present invention to providing in the accompanying drawings be not intended to limit will
The scope of the present invention of protection is sought, but is merely representative of the selected embodiment of the present invention.Based on the embodiment in the present invention,
The every other embodiment that those of ordinary skill in the art are obtained without creative efforts, belongs to this
Invent the scope of protection.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " are based on orientation shown in the drawings or position relationship, are for only for ease of
Description is of the invention to be described with simplified, rather than the equipment or element of instruction or hint meaning must be with specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；It can be direct phase
Even, it can also be indirectly connected by intermediary, can be that connection inside two elements or the interaction of two elements are closed
System.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood as the case may be
Implication.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it " under "
Can directly it be contacted including the first and second features, it is not directly to contact but pass through it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " to include first special
Sign is directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " fisrt feature that includes are immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
First embodiment
Shown referring to Figures 1 and 2, the present embodiment provides a kind of feed arrangement 100 for plasma centrifugation balling machine, bag
Include tube body 110, clamping piece 120, driving device (not marking).
As depicted in figs. 1 and 2, the first end face 112 and second end face 113 that tube body 110 has side wall 111, is oppositely arranged,
Side wall 111 is surrounded by the cavity 114 of strip, and side wall 111 includes the first side wall 111a and the second sidewall being detachably connected
111b, is connected therebetween by connector, and connector can be screw element or plug in construction, or other one
A little devices that connection can be achieved.Specific to the present embodiment, it is provided between the first side wall 111a and second sidewall 111b mutually
Corresponding screw hole 115, and be attached by the screw (not shown) through screw hole 115.This detachable connection, can make
Being mounted and taken out for metal bar material 140 is simpler.Meanwhile also help to the clamping piece 120 and driving device in cavity 114
Safeguarded and replaced.
As depicted in figs. 1 and 2, the first side wall 111a is connected with first end face 112, second sidewall 111b and second end face
113 connections, the first opening 116 passed through for metal bar material 140 is equipped with second end face 113.Specifically, the first opening 116
Aperture should be slightly larger than the diameter of metal bar material 140 so that while metal bar material 140 can pass through, keep whole
Tube body 110 has certain air-tightness.
As depicted in figs. 1 and 2,120 activity of clamping piece is embedded among cavity 114, for being pressed from both sides to metal bar material 140
Hold.In the present embodiment, the specific location of clamping piece 120 is located at the upper end of second sidewall 111b, on the outer wall of clamping piece 120
Two sliding blocks 121 are relatively set with along the length direction of clamping piece 120, it is corresponding, in the upper end edge of second sidewall 111b
The length direction of tube body 110 is relatively set with two sliding slots 117, and during normal use, sliding block 121 is movably installed in sliding slot
In 117, clamping piece 120 is set to be slided along the length direction of tube body 110, and limit the rotation of clamping piece 120.It is noticeable
It is that the not specific limitation of number of sliding block 121 and sliding slot 117, can be single or multiple, can reach limitation
The purpose of 120 direction of motion of clamping piece.Meanwhile the set-up mode of sliding block 121 and sliding slot 117 is nor uniquely, also may be used
Sliding slot 117 is arranged on clamping piece 120, and sliding block 121 is arranged on tube body 110, a plurality of sliding blocks 121 and sliding slot
117 set-up mode can be identical, can also part it is identical, functionally not too big difference.
Clamping piece 120 may be referred to shown in Fig. 3 the specific method of clamping of metal bar material 140, and clamping piece 120 is along its length
Direction is provided with the first through hole 122 passed through for metal bar material 140, first through hole 122 hole wall close to first end face 112
Side is relatively set with two storage tanks 123, and storage tank 123 is by the upper surface of clamping piece 120 along the length of clamping piece 120
Direction is set, and storage tank 123 is not connected to the lower surface of clamping piece 120, specific in the present embodiment, storage tank 123
Depth is the 1/2 of 120 length of clamping piece.Clamping piece 120 further includes one and the matched latch 124 of 123 size of storage tank, in reality
During the use of border, the top of metal bar material 140 is equipped with the jack 141 coordinated with latch 124, and jack 141 runs through metal bar material
140, latch 124 is respectively placed in two storage tanks 123 to realize to metal bar through jack 141 and by the both ends of latch 124
The fixation of material 140, prevents metal bar material 140 from deviating from when clamping piece 120 vibrates.
As depicted in figs. 1 and 2, driving device, which includes being located in cavity 114, is used to promote clamping piece 120 away from first end face
112 impeller 131, for promoting return unit 132 of the clamping piece 120 away from second end face 113 and driving impeller 131
Power source (not shown).Impeller 131 is between clamping piece 120 and first end face 112, specific in the present embodiment, its
Specific location is located in the range of the first side wall 111a surrounds.Return unit 132 be located at clamping piece 120 and second end face 113 it
Between, specific in the present embodiment, return unit 132 is spring, and one end of spring is connected with second end face 113, the other end and clamping
Part 120 connects.The internal diameter of spring is slightly larger than the outside diameter of metal bar material 140 so that metal bar material 140 can be worn among spring
Cross.In the other preferred embodiments of the present invention, return unit 132 can also be the groups of springs being made of multiple tiny springs, this
A little tiny springs are filled in the gap between metal bar material 140 and tube body 110, and connect second end face 113 and clamping piece
120.Further, return unit 132 can also be some other elastic material such as rubber washer, can equally play promotion folder
The effect of gripping member 120.
Specific fit system between impeller 131 and clamping piece 120 is as shown in figure 4, impeller 131 and clamping piece 120
Abut, impeller 131 is connected with for driving impeller 131 around the bull stick of axial rotation close to the side of first end face 112
133, the second opening that bull stick 133 is disposed through first end face 112 is connected with power source；Clamping piece 120 is included close to promotion
First bearing surface 126 of part 131, the first bearing surface 126 are provided with the first convex block 125 along its diametric(al), and the first convex block 125 wraps
Include along first guide surface 127 of 131 rotation direction of impeller away from clamping piece 120, specific in the present embodiment, the first convex block
125 projection on side wall 111 is have a generally triangular shape.Meanwhile impeller 131 includes the second bearing surface close to clamping piece 120
135, the second bearing surface 135 is provided with the second convex block 134 that can be contacting and separating with the first convex block 125 along its diametric(al), the
Two convex blocks 134 include second guide surface 136 of the opposite direction away from impeller 131 rotated along impeller 131.Similarly,
In the present embodiment, the projection on side wall 111 of the second convex block 134 is have a generally triangular shape.In actual use, with
The rotation of impeller 131, the first convex block 125 and the second convex block 134 contact, since clamping piece 120 is defined as to grow along it
Spend direction movement, then in the case where impeller 131 cannot drive clamping piece 120 to rotate, the first convex block 125 and the second convex block
134 can only occur to slide relatively, so as to promote clamping piece 120 to be moved away from impeller 131.Due to the first guide surface 127 and
The presence of two guide surfaces 136, such slip can't be subject to too big obstruction.And continue with rotating, 125 He of the first convex block
Second convex block 134 switchs to discrete state by contact condition, and the screen resilience that return unit 132 provides promotes clamping piece 120 again close
Impeller 131 is until the contact next time of the first convex block 125 and the second convex block 134.And so on, realize clamping piece 120 at it
Sustained vibration on length direction, depending on rotating speed of the vibration frequency with impeller 131.It is worth noting that, in the present embodiment,
The specific number of first convex block 125 is 6, and around the axis equally spacedly annular setting of clamping piece 120.Similarly, second
The specific number of convex block 134 is also 6, and around the axis equally spacedly annular setting of impeller 131.It is and other in the present invention
In preferred embodiment, the specific number of the first convex block 125 and the second convex block 134 can be it is single can also be multiple, Duo Ge
The distribution of one convex block 125 or the second convex block 134 such as is also not necessarily limited at the gap distribution, can achieve the purpose that to promote clamping piece 120.
Meanwhile impeller 131 promotes the mode of clamping piece 120 to be also not necessarily limited to realize to rotate, impeller 131 can also be existed in itself
Along the length direction sustained vibration of tube body 110 under the drive of motor, so as to drive the sustained vibration of clamping piece 120.
Second embodiment
With reference to shown in Fig. 5, the present embodiment provides a kind of plasma combination centrifugal atomizing fuel pulverizing plant 200, including shell
210th, multiple plasma guns 220, spray disk 230, centrifugal turntable 240 and feed arrangement 100.
With reference to shown in Fig. 5, shell 210 surrounds a closed cavity, is useful for placing charging in the middle part of the roof of cavity
The feed inlet of device 100,100 activity of feed arrangement are embedded at feed inlet.The fixing end (not shown) of metal bar material 140 is fixed on
The free end 142 of metal bar material 140 is simultaneously extend into cavity by feed arrangement 100.Whole feed arrangement 100 is controlled by lifting platform
It moves up and down, so as to control the depth of charging.
With reference to shown in Fig. 5, multiple plasma guns 220 are equally spaced around being arranged at around feed arrangement 100, are filled with charging
100 are put in suitable angle to be directed toward the free end 142 of metal bar material 140, so as to fulfill to 140 free end 142 of metal bar material
Uniform heating.
With reference to shown in Fig. 5, at the middle part for being arranged right below spray disk 230, spraying disk 230 of the free end 142 of metal bar material 140
Equipped with the second through hole 231 passed through for molten drop, for the second through hole 231 through the upper and lower surface of spray disk 230, second is logical
The lower end in hole 231 is connected with round table-like jet atomization chamber 232, multiple etc. around being equipped with the cavity wall of jet atomization chamber 232
The puff prot 233 of gap distribution, puff prot 233 are directed toward the axis of spray disk 230 obliquely.
With reference to shown in Fig. 5, centrifugal turntable 240 is equipped with the lower section of spray disk 230, centrifugal turntable 240 connects with centrifugation shaft 241
Connect, centrifugation shaft 241 is connected by the 3rd opening positioned at 210 bottom of shell with exterior motor.
In practical work process, plasma gun 220 heats the free end 142 of metal bar material 140, and is formed molten
The molten drop melted, since metal bar material 140 is in lasting vibration, and without forming too big molten drop, molten metal
Drop will depart from metal bar material 140 and fall downwards.During whereabouts, molten drop passes through the second through hole on spray disk 230
231, enter in jet atomization chamber 232, the inert gas sprayed from puff prot 233 carries out molten drop impact and occurs the
Primary fragmentation, forms the molten drop of smaller, simultaneously as the annular of all puff prots 233 is set, can form a downward conjunction
Power, promotion molten drop pounds at a high speed centrifugal turntable 240 downwards, when being collided with centrifugal turntable 240, molten drop hair
Raw second broken.Further, molten drop is thrown away with the centrifugal turntable 240 of high-speed rotation, it is broken that third time occurs
It is broken.Condensation obtains metal dust granularity smaller after priority tertiary crushing, size distribution evenly, powder excellent processed.
In conclusion a kind of feed arrangement provided by the invention includes being used to clamp the clamping part of metal bar material and for true
Determine the driving device of clamping part sustained vibration, in use, clamping part drives metal bar material to be in lasting vibration, gold
The metal bar material that category drop need not reach critical mass and can be vibrated is thrown away, and is fallen on centrifugal turntable, from the beginning shape
Into molten drop it is just smaller, then when subsequent treatment, be more favorable for obtaining the metal dust of granularity smaller.The present invention
A kind of plasma combination centrifugal atomizing fuel pulverizing plant provided, including above-mentioned feed arrangement, inert gas spray disk and centrifugal turntable,
Vibration charging, gas impact and centrifugation powder are combined together, acts synergistically, granularity smaller, size distribution can be made more
Uniform metal dust.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this area
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
- A kind of 1. feed arrangement, it is characterised in that including：Tube body, the tube body have side wall, first end face and second end face, and the side wall is surrounded by the cavity of strip, described Second end face is equipped with the first opening passed through for metal bar material；For clamping the clamping piece of the metal bar material, the clamping piece activity is embedded at the cavity；For driving driving device of the clamping piece along the axial line sustained vibration of the tube body, the driving device includes using In the promotion impeller of the clamping piece away from the first end face, for promoting the clamping piece away from the second end face Return unit and the power source for driving the impeller, the impeller and the return unit are respectively arranged at the clamping piece Opposite sides.
- 2. feed arrangement according to claim 1, it is characterised in that axis side of the inner wall of the side wall along the tube body To equipped with sliding slot, the outer wall of the clamping piece is equipped with the sliding block coordinated with the sliding slot.
- 3. feed arrangement according to claim 2, it is characterised in that the clamping piece and the impeller abut, described Impeller is connected with for driving the impeller around the bull stick of axial rotation, the bull stick close to the side of the first end face The second opening for being disposed through the first end face is connected with motor；The clamping piece includes first close to the impeller Bearing surface, first bearing surface are provided with the first convex block along its diametric(al), and first convex block is included along the promotion First guide surface of the part rotation direction away from the clamping piece；The impeller includes abutting close to the second of the clamping piece Face, second bearing surface along its diametric(al) be provided with can with first bump contact and separated second convex block, it is described Second convex block includes second guide surface of the opposite direction away from the impeller rotated along the impeller.
- 4. feed arrangement according to claim 3, it is characterised in that projection of first convex block on the side wall is big Cause as triangle；Projection of second convex block on the side wall is have a generally triangular shape.
- 5. feed arrangement according to claim 3, it is characterised in that first convex block is multiple, and multiple described first Convex block is set around the axis annular of the clamping piece.
- 6. feed arrangement according to claim 3, it is characterised in that second convex block is multiple, and multiple described second Convex block is set around the axis annular of the impeller.
- 7. feed arrangement according to claim 3, it is characterised in that the clamping piece is equipped with the passed through for metal bar material One through hole, the hole wall of the first through hole have two storage tanks being oppositely arranged close to the side of the impeller；The folder Gripping member is further included to be respectively fallen in two storage tanks for the latch through the metal bar material, the latch both ends.
- 8. feed arrangement according to claim 1, it is characterised in that the return unit is spring, one end of the spring It is connected with the second end face, the other end is connected with the clamping piece.
- 9. feed arrangement according to claim 1, it is characterised in that the side wall of the tube body includes the be detachably connected One side wall and second sidewall, the first side wall are connected with the first end face, and the second sidewall connects with the second end face Connect.
- 10. a kind of plasma combines centrifugal atomizing fuel pulverizing plant, it is characterised in that including shell, multiple plasma guns, spray disk, Centrifugal turntable and such as claim 1~9 any one of them feed arrangement, the shell surrounds a closed cavity, described Feed arrangement is located at the middle part of the roof of the cavity, and the fixing end of metal bar material is fixed on the feed arrangement and by the gold The free end for belonging to bar is extend into the cavity, and multiple plasma guns surround and are arranged at around the feed arrangement simultaneously Spray disk is equipped with towards the free end of the metal bar material, below the free end of the metal bar material, the middle part of the spray disk is equipped with The second through hole passed through for molten drop, second through hole run through the upper and lower surface of the spray disk, the spray disk Lower surface is equipped with multiple puff prots, and multiple puff prots set around the lower edge of second through hole and are directed toward the spray disk Axis, described spray are provided with centrifugal turntable below disk.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610883827.0A CN106216704B (en) | 2016-10-10 | 2016-10-10 | A kind of feed arrangement and plasma combine centrifugal atomizing fuel pulverizing plant |
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| CN201610883827.0A CN106216704B (en) | 2016-10-10 | 2016-10-10 | A kind of feed arrangement and plasma combine centrifugal atomizing fuel pulverizing plant |
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| CN106216704B true CN106216704B (en) | 2018-05-04 |
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|---|---|---|---|---|
| CN106216704B (en) * | 2016-10-10 | 2018-05-04 | 江西悦安超细金属有限公司 | A kind of feed arrangement and plasma combine centrifugal atomizing fuel pulverizing plant |
| CN107983965B (en) * | 2017-12-26 | 2020-07-03 | 宝鸡市博信金属材料有限公司 | Preparation method and equipment for high-temperature plasma gas atomization superfine spherical metal powder |
| CN110076347B (en) * | 2019-06-06 | 2020-09-01 | 南京工业大学 | Combined powder preparation method and device based on plasma smelting and disc rotary atomization |
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