CN105665080B - Blower fan is easy to the simple type Raymond mill device disassembled - Google Patents
Blower fan is easy to the simple type Raymond mill device disassembled Download PDFInfo
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- CN105665080B CN105665080B CN201610123130.3A CN201610123130A CN105665080B CN 105665080 B CN105665080 B CN 105665080B CN 201610123130 A CN201610123130 A CN 201610123130A CN 105665080 B CN105665080 B CN 105665080B
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- blower
- temporary storage
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- 238000003860 storage Methods 0.000 claims abstract description 24
- 230000008878 coupling Effects 0.000 claims abstract description 23
- 238000010168 coupling process Methods 0.000 claims abstract description 23
- 238000005859 coupling reaction Methods 0.000 claims abstract description 23
- 239000000843 powder Substances 0.000 claims abstract description 21
- 238000000926 separation method Methods 0.000 claims abstract description 12
- 230000005484 gravity Effects 0.000 claims abstract description 11
- 238000002955 isolation Methods 0.000 claims abstract description 7
- 238000003801 milling Methods 0.000 claims abstract description 5
- WIKSRXFQIZQFEH-UHFFFAOYSA-N [Cu].[Pb] Chemical compound [Cu].[Pb] WIKSRXFQIZQFEH-UHFFFAOYSA-N 0.000 claims description 12
- 238000012856 packing Methods 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 239000002131 composite material Substances 0.000 claims description 8
- 229910000978 Pb alloy Inorganic materials 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 229910001229 Pot metal Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000002905 metal composite material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 241001347978 Major minor Species 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
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- 238000007906 compression Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 241000036318 Callitris preissii Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 206010016256 fatigue Diseases 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/14—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by rotating vanes, discs, drums or brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
- B01D47/024—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath by impinging the gas to be cleaned essentially in a perpendicular direction onto the liquid surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/24—Passing gas through crushing or disintegrating zone
- B02C23/30—Passing gas through crushing or disintegrating zone the applied gas acting to effect material separation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/24—Passing gas through crushing or disintegrating zone
- B02C23/34—Passing gas through crushing or disintegrating zone gas being recirculated to crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
- B02C2015/002—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs combined with a classifier
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses the simple type Raymond mill device that a kind of blower fan is easy to disassemble, blower fan, Raymond mill, cyclonic separation discharger and return-air airduct form airflow circulating milling discharge system；The return-air airduct is provided with blower fan connection entrance isolates temporary storage barrel, and isolation temporary storage barrel is provided with gravity bin gate, is provided with powder temporary storage barrel below gravity bin gate, powder temporary storage barrel is provided with valve and discharge gate；The blade arrangement of the draught fan impeller can clear up dust in time using centrifugal force, avoid the occurrence of security incident into impeller Axial and radial, centrosymmetric emitting shape.The present invention is simple in construction, but the dismounting technology for the air-introduced machine that more importantly significantly taken on a new look, it is set simply to eliminate pressure of the similar nut member to screw shaft shoulder end face when disassembling, effectively solve the problems, such as that air-introduced machine Screw assembly continuous auto lock under load effect is not easy to remove, it is particularly suitable for the convenient dismounting after large fan screw-threaded coupling, effect is especially pronounced.
Description
Technical field
The present invention relates to a kind of Raymond mill device, refer specifically to air-introduced machine will not laying dust and easy to disassemble and maintenance blower fan just
In the simple type Raymond mill device disassembled.
Background technology
Raymond mill device is the equipment that a kind of extensive use is crushed, is milled with ore, due to its strong adaptability, cost performance
Height, turn into the first choice that ore is crushed and is milled.Blower fan is the key equipment of Raymond mill device, and air-introduced machine is generally centrifugal blower,
Air-introduced machine it is continuous, stably, reliably working it is very crucial to Raymond mill device, the occasion used due to Raymond mill device is mostly all
Containing certain dust, when air-introduced machine works, air-flow by during the draught fan impeller of high speed rotation due to centrifugation, dust
Particle can depart from air-flow phase and deposit and be attached on draught fan impeller.
Draught fan impeller rotating speed is general all higher, as long as can all be accumulated after working long hours with the presence of micro dust in air-flow
More dust is tired out, so as to change the balance of draught fan impeller rotation, if draught fan impeller does not have self purification not have to dust yet
Have timely cleaning, will static state cumulative and that draught fan impeller is altered in steps and dynamic equilibrium, so as to produce vibration.Once
The dust that running into has part hardened, which is vibrated, to come off, and the dynamic rotary away from air-introduced machine will balance, then produce strong immediately
Vibration, this may trigger serious personnel and equipment safety accident.
On the other hand, the structure of common blower fan is typically all that fan shaft one end is draught fan impeller, and the other end is electronic motor-driven
Power input, often it is shaft coupling.Because blower fan is typically all continuous operation for a long time, so bearing is fragile, bearing one is changed
As need first to dismantle the shaft coupling of draught fan impeller and the other end, but the assembling of existing fan shaft and draught fan impeller, shaft coupling belongs to
Typical axle, hole interference fit, and carrying transmission is carried out by key.It is higher to be interference fitted usual requirement on machining accuracy, and
Realize torque bearing function with reference to key connection, assembling is general all to be needed to load very big extruding force, if without professional equipment with
Instrument, dismounting are all very inconvenient.
Threaded connection has that processing is simple, assembling is convenient, while also has unidirectional carrying torque functions, therefore, in blower fan
If axle is threadedly coupled with that can be used in the connection in hole and realizes transmission, it is all more convenient to be allowed to assembly or disassembly, then possesses higher
Practical value and market application foreground.In the axle of reality coordinates motion thread assembling with hole, in order to realize big carrying work(
Energy demand, the scantling of thread spindle similar nut member with what is matched is all larger, is screwed in assembling often all also very light
Pine is convenient, and can realize the automatic constantly locking of bearing capacity in use, thus very reliable, but in dismounting, assembling
Often very tight, dismounting is very difficult, if simple easy removal can be realized under these conditions, it appears particularly important.
Therefore, if a kind of Raymond mill device can be designed, its blower fan is cleared up dust automatically, and dismantle and examine
It is all very convenient to repair, and all has especially important meaning for promoting the technological progress of Raymond mill device and preventing security incident.
The content of the invention
The technical problem to be solved in the present invention is exactly overcome the deficiencies in the prior art, there is provided a kind of blower fan can not only be automatically clear
Dust is managed, and all very easily blower fan is easy to the simple type Raymond mill device disassembled for dismounting and maintenance.
For overcome the deficiencies in the prior art, the present invention takes following technical scheme：
A kind of blower fan is easy to the simple type Raymond mill device disassembled, including Raymond mill, cyclonic separation discharger and blower fan, its
It is characterised by；Blower fan, Raymond mill, cyclonic separation discharger and return-air airduct form airflow circulating milling discharge system；Described time
Gas airduct is provided with blower fan connection entrance isolates temporary storage barrel, and isolation temporary storage barrel is provided with gravity bin gate, is provided with below gravity bin gate
Powder temporary storage barrel, powder temporary storage barrel are provided with valve and discharge gate；The air-introduced machine include draught fan impeller, bearing, fan shaft and
Shaft coupling, shaft coupling use Screw assembly with fan shaft and draught fan impeller with fan shaft, and thread rotary orientation is with work and carrying
The direction of auto lock；Draught fan impeller is similar to nut by being threadedly coupled and reversing impeller plain washer, copper-lead multiple with fan shaft
Close pad to compress, draught fan impeller forms screw thread with fan shaft one end and is rigidly connected；Clip part is inserted in the fan shaft other end, then will connection
Axle device plain washer is inserted in fan shaft, is then threaded into the shaft coupling of similar nut, then rationally all locking, makes clip part and similar
The shaft coupling of nut is also formed with the fan shaft other end and is rigidly connected；The copper-lead reverse composite pad be punch process into copper
Pad, it is with fin outside, then in the compound fusible lead alloy packing ring in copper packing both sides；The clip part is by clip, clip ear, clip
Pad and bolt are formed, and clip section is wedge shape, is made up of two semicircular ring clip bodies and opens elliptical aperture to opening structure, clip pad to increase
Strong axial elasticity, clip pad both ends are planar structure, are easy to coordinate with shaft shoulder plane, clip is passed through on clip ear using bolt
Hole, it is assemblied on clip pad and is integrally formed.
The draught fan impeller includes impeller backboard, impeller panel, primary blades and auxiliary blade, and primary blades are flat panel contours
And it is arranged to impeller Axial and radial, centrosymmetric emitting shape；Primary blades connect impeller panel and are welded into impeller with impeller backboard
Main body；Impeller panel is provided with air inlet, and impeller backboard connects into firm one by welding with primary blades inner edge with blower fan axle bed,
Blower fan axle bed is connected by axis hole and fan shaft；Blower fan auxiliary blade is formed with impeller panel, backboard, primary blades
Three-legged structure.
When equipment works, blower fan, Raymond mill, cyclonic separation discharger and return-air airduct form airflow circulating milling discharging system
Unite, return-air airduct is particularly easy to deposit miberal powder in practical application, is easy for pouring blower fan once hardened miberal powder largely departs to fall
Middle damage equipment, so design isolation temporary storage barrel keeps in the hardened miberal powder to fall at fan inlet, while realize gas pressure
Isolation.After isolating temporary storage barrel material stock more, gravity bin gate can automatic shutter, miberal powder is discharged into powder temporary storage barrel, can be with according to situation
Operate discharge gate and miberal powder is discharged into use, thoroughly eliminate the hidden danger of blower fan abnormal damage.
In use, because the major-minor sharf radial center of blower fan is symmetrical, blade revolves the draught fan impeller of the present invention in high speed
When turning, blade surface has powerful eccentric surfaces self purification under powerful centrifugal action, and dust can not adhere to and can be real
Existing Quick spin separation, dynamic, the static balancing of impeller are not interfered with, be adapted to big flow, high-power, anti-laying dust air-flow conveying.
The triangle Axial and radial centrosymmetric structure of impeller panel, backboard, primary blades, auxiliary blade, the wind for being connected it
Machine backboard relative torsion anti-with panel, extruding rigidity are extremely strong, can prevent blower fan primary blades connection backboard root completely because of carrying
Moment and caused by fatigue fracture, can also obtain higher intensity with relatively thin board making, ensure stable, reliable
Use, the Impeller Design of this spline structure is particularly suitable for thin plate making, is easy to save material, is advantageous to light and handyization of equipment.
When air-introduced machine need to be dismantled and overhauled, composite pad, clip part are reversed using the copper-lead of innovative design, by convenient
Operation, pressure of the similar nut member to screw shaft shoulder end face can be simply eliminated, at this moment nut and screw part are outstanding in unloading
Dummy status, taking apart becomes simple and convenient as Screw assembly, for solving Screw assembly constantly automatic lock under load effect
Tightly, technical barrier not easy to remove, in large fan shaft componentses screw-threaded coupling field, such function is particularly important.
When draught fan impeller need dismantle but it is very difficult when, using oxy arc to copper-lead reverse Composition spacer among
Copper packing carries out oxy arc heating, and because the conductivity of heat of copper is fabulous, and the fusing point of metal is relatively low, and metal is heated after heating
Melt, the compression tensile force of draught fan impeller and shaft shoulder step is completely eliminated, and draught fan impeller is in complete vacant state, especially
It is readily disassembled.
When the joint member of similar nut need to dismantle but it is very difficult when, bolt is pulled down with spanner, because of two
It is fast wedge shape to opening structure and clip body section that semicircular ring clip body, which is, and the instrument that one end can be used flat connects from two clip ears
Engagement is held together place and easily pried open, and clip easy removal is got off, clip pad returns to relaxed state, makes joint member and shaft shoulder end face
Locking after tensile force be completely eliminated, the joint member of similar nut is in complete vacant state, be especially susceptible to tear open
Unload.
Compared with prior art, beneficial effects of the present invention also reside in the dismounting technology for the air-introduced machine that significantly taken on a new look, energy
Effectively solve the problems, such as that air-introduced machine Screw assembly continuous auto lock under load effect is not easy to remove, be particularly suitable for large fan
Convenient dismounting after screw-threaded coupling, effect is especially pronounced, be mainly reflected in it is following some：
1st, do not change the feature of Screw assembly, need to only add Pot metal composite pad, clip pad and clip, cost is low also special
It is not easily achieved；2nd, Pot metal composite pad, clip pad can play good Stress decomposition, the carrying energy of effective enhancing structure
Power, clip pad, which opens elliptical aperture, can effectively strengthen clip pad axial elasticity；3rd, cleverly heated with Pot metal composite pad very much
Design and the Assembly And Disassembly of clip, the tensioning of axial accessory and the function that relaxes are realized, it is effectively quick to eliminate similar nut locking
Tensile force, realize that the component rapid and convenient of especially tight similar nut member Screw assembly is dismantled；4th, clip pad and clip
Wedge-shaped assembling structure is easy to repeatedly quick assembly and disassembly to use.
Brief description of the drawings
Fig. 1 is the planar structure schematic diagram of the present invention
Fig. 2 is the dimensional structure diagram of air-introduced machine shafting.
Fig. 3 is the planar structure schematic diagram of air-introduced machine shafting.
Fig. 4 is the dimensional structure diagram of draught fan impeller.
Fig. 5 is the cross-sectional view of draught fan impeller.
Fig. 6 is the structural representation that copper-lead reverses composite pad.
Fig. 7 is the assembling structure schematic diagram of clip part.
Fig. 8 is the fractionation structural representation of clip part.
Fig. 9 is the structural representation of clip pad.
Each label represents in figure：
A, blower fan；1st, Raymond mill；2nd, cyclonic separation discharger；3rd, return-air airduct；5th, temporary storage barrel is isolated；6th, gravity bin gate；
7th, valve；8th, powder temporary storage barrel；9th, discharge gate；31st, primary blades；32nd, auxiliary blade；33rd, impeller air inlet；34th, fan shaft
Seat；36th, axis hole；37th, impeller backboard；38th, impeller panel；41st, draught fan impeller；42nd, impeller plain washer；43rd, copper-lead reverses multiple
Close pad；44th, bearing；45th, fan shaft；46th, clip part；47th, shaft coupling plain washer；48th, shaft coupling；51st, copper packing and fin；
52nd, fusible lead alloy packing ring；61st, clip；62nd, clip ear；63rd, clip pad；64th, slotted eye；65th, bolt.
Embodiment
In conjunction with accompanying drawing, the present invention is further elaborated with.
As shown in Figure 1, Figure 2, blower fan shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9 is easy to the simple type Raymond mill disassembled
Device, including Raymond mill 1, cyclonic separation discharger 2 and blower fan A, blower fan A, Raymond mill 1, cyclonic separation discharger 2 and return-air wind
Pipe 3 forms airflow circulating milling discharge system；The return-air airduct 3 is provided with blower fan A connections entrance isolates temporary storage barrel 5, every
Gravity bin gate 6 is provided with from temporary storage barrel 5, the lower section of gravity bin gate 6 is provided with powder temporary storage barrel 8, and powder temporary storage barrel 8 is provided with valve 7 and gone out
Expect gate 9；The air-introduced machine A includes draught fan impeller 41, bearing 44, fan shaft 45 and shaft coupling 48, shaft coupling 48 and fan shaft
45 and draught fan impeller 41 and fan shaft 45 use Screw assembly, thread rotary orientation is with work and the direction for carrying auto lock；
Draught fan impeller 41 is similar to nut by being threadedly coupled with fan shaft 45 and impeller plain washer 42, copper-lead being reversed composite pad 43 and pressed
Tightly, draught fan impeller 41 forms screw thread with the one end of fan shaft 45 and is rigidly connected；Clip part 46 is inserted in the other end of fan shaft 45, then will
Shaft coupling plain washer 47 is inserted in fan shaft 45, is then threaded into the shaft coupling 48 of similar nut, then rationally all locking, makes clip zero
The shaft coupling 48 of part 46 and similar nut is also formed with the other end of fan shaft 45 to be rigidly connected；The copper-lead reverses composite pad 43
Punch process into copper packing, it is outer to be with fin 51, then in the compound fusible lead alloy packing ring 52 in copper packing both sides；The clip part
46 are made up of clip 61, clip ear 62, clip pad 63 and bolt 65, and the section of clip 61 is wedge shape, by two semicircular ring clip bodies
Composition is to opening structure, and clip pad 63 opens elliptical aperture 64 to strengthen axial elasticity, and it is planar structure that clip, which pads 63 both ends, is easy to and axle
Shoulder plane coordinates, and clip, through the hole on clip ear 62, is assemblied on clip pad 63 and is integrally formed using bolt 65.
The draught fan impeller 41 includes impeller backboard 37, impeller panel 38, primary blades 31 and auxiliary blade 32, primary blades
31 are flat panel contours and are arranged to impeller Axial and radial, centrosymmetric emitting shape；Primary blades 31 connect impeller panel 38 and and leaf
Wheel backboard 37 is welded into impeller bodies；Impeller panel 38 is provided with air inlet 33, and impeller backboard 37 passes through weldering with the inner edge of primary blades 31
Connect with fan shaft 45 and connect into firm one, blower fan axle bed 34 is connected by axis hole 36 and fan shaft 45；Blower fan
Auxiliary blade 32 forms three-legged structure with impeller panel 38, backboard 37, primary blades 31.
When equipment works, blower fan A, Raymond mill 1, cyclonic separation discharger 2 and return-air airduct 3 form airflow circulating and are milled out
Material system, return-air airduct 3 is particularly easy to deposit miberal powder in practical application, is easy for pouring once hardened miberal powder largely departs to fall
Equipment is damaged in blower fan A, so design isolation temporary storage barrel 5 keeps in the hardened miberal powder to fall at fan inlet, while realizes gas
Body pressure isolation.After isolating the material stock of temporary storage barrel 5 more, the meeting automatic shutter of gravity bin gate 6, miberal powder is discharged into powder temporary storage barrel 8, foundation
Situation can operate discharge gate 9 and miberal powder is discharged into use, thoroughly eliminate the hidden danger of blower fan abnormal damage.
In use, because the major-minor sharf radial center of blower fan is symmetrical, blade revolves the draught fan impeller of the present invention in high speed
When turning, blade surface has powerful eccentric surfaces self purification under powerful centrifugal action, and dust can not adhere to and can be real
Existing Quick spin separation, dynamic, the static balancing of impeller are not interfered with, be adapted to big flow, high-power, anti-laying dust air-flow conveying.
The triangle Axial and radial centrosymmetric structure of impeller panel 38, backboard 37, primary blades 31, auxiliary blade 32, makes its institute
The blower fan backboard relative torsion anti-with panel of connection, extruding rigidity are extremely strong, can prevent blower fan primary blades connection backboard root completely
Portion because carrying Moment and caused by fatigue fracture, higher intensity can be also obtained with relatively thin board making, ensure
Stable, reliable to use, the Impeller Design of this spline structure is particularly suitable for thin plate making, is easy to save material, is advantageous to the light of equipment
Skilfulization.
When air-introduced machine A need to be dismantled and overhauled, composite pad 43, clip part 46 are reversed using the copper-lead of innovative design, is led to
Operation readiness is crossed, can simply eliminate pressure of the similar nut member to screw shaft shoulder end face, at this moment nut is in screw part
Unload vacant state, taking apart becomes simple and convenient as Screw assembly, for solve Screw assembly under load effect constantly
Auto lock, technical barrier not easy to remove, in large fan shaft componentses screw-threaded coupling field, such function seems particularly
It is important.
When draught fan impeller 41 need dismantle but it is very difficult when, using oxy arc to copper-lead reverse Composition spacer among
Copper packing carry out oxy arc heating, because the conductivity of heat of copper is fabulous, and the fusing point of metal is relatively low, after heating metal by
Thermal melting, the compression tensile force of draught fan impeller 41 and shaft shoulder step are completely eliminated, and draught fan impeller is in complete vacant state,
It is especially susceptible to dismantle.
When the joint member of similar nut need to dismantle but it is very difficult when, bolt is pulled down with spanner, because of two
It is fast wedge shape to opening structure and clip body section that semicircular ring clip body, which is, and the instrument that one end can be used flat connects from two clip ears
Engagement is held together place and easily pried open, and clip easy removal is got off, clip pad returns to relaxed state, makes joint member and shaft shoulder end face
Locking after tensile force be completely eliminated, the joint member of similar nut is in complete vacant state, be especially susceptible to tear open
Unload.
Above-mentioned simply presently preferred embodiments of the present invention, not makees any formal limitation to the present invention.It is any to be familiar with sheet
The technical staff in field, in the case where not departing from technical solution of the present invention scope, all using the technology contents of the disclosure above
Many possible changes and modifications are made to technical solution of the present invention, or are revised as the equivalent embodiment of equivalent variations.Therefore, it is all
It is the content without departing from technical solution of the present invention, any is simply repaiied to made for any of the above embodiments according to the technology of the present invention essence
Change, equivalent variations and modification, all should fall in the range of technical solution of the present invention protection.
Claims (2)
1. a kind of blower fan is easy to the simple type Raymond mill device disassembled, including Raymond mill, cyclonic separation discharger and air-introduced machine, its
It is characterised by；Air-introduced machine, Raymond mill, cyclonic separation discharger and return-air airduct form airflow circulating milling discharge system；It is described
Return-air airduct is provided with air-introduced machine connection entrance isolates temporary storage barrel, and isolation temporary storage barrel is provided with gravity bin gate, gravity bin gate lower section
Provided with powder temporary storage barrel, powder temporary storage barrel is provided with valve and discharge gate；The air-introduced machine includes draught fan impeller, bearing, drawn
Fan shaft and shaft coupling, shaft coupling use Screw assembly, thread rotary orientation with axes of blower and draught fan impeller with axes of blower
It is the direction with work and carrying auto lock；Draught fan impeller is similar to nut by being threadedly coupled with axes of blower and by impeller
Plain washer, copper-lead reverse composite pad and compressed, and draught fan impeller forms screw thread with axes of blower one end and is rigidly connected；Clip part set
Enter the axes of blower other end, then shaft coupling plain washer is inserted in axes of blower, be then threaded into the shaft coupling of similar nut, then rationally
All locking, the shaft coupling of clip part and similar nut is also formed with the axes of blower other end and be rigidly connected；The copper-lead
Reverse composite pad be punch process into copper packing, it is outer to be with fin, then in the compound fusible lead alloy packing ring in copper packing both sides；It is described
Clip part is made up of clip, clip ear, clip pad and bolt, and clip section is wedge shape, is made up of two semicircular ring clip bodies
To opening structure, clip pad opens elliptical aperture to strengthen axial elasticity, and clip pad both ends are planar structure, are easy to match somebody with somebody with shaft shoulder plane
Close, clip, through the hole on clip ear, is assemblied on clip pad and is integrally formed using bolt.
2. blower fan according to claim 1 is easy to the simple type Raymond mill device disassembled, it is characterised in that：The air-introduced machine
Impeller includes impeller backboard, impeller panel, primary blades and auxiliary blade, and primary blades are flat panel contours and are arranged to the impeller diameter of axle
To, centrosymmetric emitting shape；Primary blades connect impeller panel and are welded into impeller bodies with impeller backboard；Impeller panel is provided with
Air inlet, impeller backboard connect into firm one by welding with primary blades inner edge with air-introduced machine axle bed, and air-introduced machine axle bed passes through
Axis hole is connected with axes of blower；Blower fan auxiliary blade forms three-legged structure with impeller panel, backboard, primary blades.
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| CN201610123130.3A CN105665080B (en) | 2016-03-05 | 2016-03-05 | Blower fan is easy to the simple type Raymond mill device disassembled |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610123130.3A CN105665080B (en) | 2016-03-05 | 2016-03-05 | Blower fan is easy to the simple type Raymond mill device disassembled |
Publications (2)
| Publication Number | Publication Date |
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| CN105665080A CN105665080A (en) | 2016-06-15 |
| CN105665080B true CN105665080B (en) | 2018-01-19 |
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Citations (5)
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| GB2413061A (en) * | 2004-04-16 | 2005-10-19 | Samsung Kwangju Electronics Co | Cyclonic dust-collecting apparatus |
| CN101507940A (en) * | 2009-01-15 | 2009-08-19 | 湘潭市双马世纪新材料有限公司 | Dehumidification dust-free Raymond mill |
| CN203784067U (en) * | 2014-03-20 | 2014-08-20 | 邵传江 | Reusable anti-theft bolt |
| CN105013598A (en) * | 2015-08-14 | 2015-11-04 | 吉首大学 | Raymond mill system with draught fan free of dust retention |
| CN105135101A (en) * | 2015-09-17 | 2015-12-09 | 中国航空工业集团公司沈阳发动机设计研究所 | Pipeline joint locking device |
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2016
- 2016-03-05 CN CN201610123130.3A patent/CN105665080B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2413061A (en) * | 2004-04-16 | 2005-10-19 | Samsung Kwangju Electronics Co | Cyclonic dust-collecting apparatus |
| CN101507940A (en) * | 2009-01-15 | 2009-08-19 | 湘潭市双马世纪新材料有限公司 | Dehumidification dust-free Raymond mill |
| CN203784067U (en) * | 2014-03-20 | 2014-08-20 | 邵传江 | Reusable anti-theft bolt |
| CN105013598A (en) * | 2015-08-14 | 2015-11-04 | 吉首大学 | Raymond mill system with draught fan free of dust retention |
| CN105135101A (en) * | 2015-09-17 | 2015-12-09 | 中国航空工业集团公司沈阳发动机设计研究所 | Pipeline joint locking device |
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|---|---|
| CN105665080A (en) | 2016-06-15 |
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