CN201848273U - High-hardness mineral superfine pulverizing machine - Google Patents
High-hardness mineral superfine pulverizing machine Download PDFInfo
- Publication number
- CN201848273U CN201848273U CN2010202606808U CN201020260680U CN201848273U CN 201848273 U CN201848273 U CN 201848273U CN 2010202606808 U CN2010202606808 U CN 2010202606808U CN 201020260680 U CN201020260680 U CN 201020260680U CN 201848273 U CN201848273 U CN 201848273U
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- impeller
- wear
- main shaft
- pulverizing
- retainer ring
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- Crushing And Pulverization Processes (AREA)
Abstract
The utility model provides a high-hardness mineral superfine pulverizing machine. A plurality of impeller assemblies are serially connected and fixed on one horizontal rotation shaft to form a plurality of pulverizing chambers communicated with each other from top to bottom; the gap between each next upper stage of the impeller assembly and the inner wall of the pulverizing chamber thereof is larger than that between the next lower stage of the impeller assembly adjacent to the upper stage and the inner wall of the pulverizing chamber thereof; and the mineral materials to be pulverized sequentially pass through the pulverizing chambers in the pulverizing process. Accordingly, the high-hardness mineral superfine pulverizing machine has the advantages of high primary pulverizing efficiency, wide particle size range of the incoming materials, and the like, and can process the mineral particles with the qualified fineness at a time without increasing a closed path to return the pulverizing process, thereby greatly simplifying the production flow, lowering the production cost, prolonging the service life, and reducing the maintenance cost. The high-hardness mineral superfine pulverizing machine particularly suits the production of superfine powder of high-hardness materials.
Description
Technical field
The utility model relates to a kind of size reduction machinery, specifically, is a kind of to having the particularly ultramicro smashing processing machine of high hardness mineral raw material of certain degree of hardness material.
Background technology
In the mine produces, for some natural raw mineral materials is withdrawn deposit and classification, impurity particle wherein must be removed, so just must pulverize processing to it earlier, be made into fine graininess powder, sort then and purifying and classifying.Because the natural high-wear resistance of high hardness mineral, the effect that makes general processing equipment such as jaw crusher, cintrifugal disintegrator, Raymond machine, ball mill etc. pulverize its processing is not very desirable, show that mainly wear and tear in machines is serious, big energy-consuming and output also are difficult to improve, and therefore press for a kind of low energy consumption, high yield, long-life machinery in small, broken bits.
Summary of the invention
For a kind of high hardness mineral ultramicro smashing processing machine is provided, it is that a kind of brand-new integrating impacted and the brand-new size reduction machinery that grinds function to the purpose of this utility model, can reach better ultramicro grinding effect exactly.
The technical solution of the utility model is: a kind of high hardness mineral ultramicro smashing processing machine, body is provided with loading hopper, below loading hopper, be provided with crushing chamber, the below of crushing chamber is provided with the discharge funnel, characteristics are, be provided with main shaft in the crushing chamber, on main shaft, be in series with N impeller assembly, N impeller assembly is separated into N pulverizing chamber body that is communicated with up and down with crushing chamber, gap between each upper level impeller assembly and its pulverizing chamber body inwall is greater than the gap between adjacent next stage impeller assembly and its pulverizing chamber body inwall, N＞1.On described pulverizing chamber body inwall, can be provided with wearing layer.
Impeller edge corresponding to impeller assembly is provided with wear-resisting retainer ring, wear-resisting retainer ring is connected on the pulverizing chamber body sidewall, the impeller edge of impeller assembly is the truncated cone-shaped that is certain cone angle, and it is gradually little wedge structure from top to bottom with gap between the corresponding wear-resisting retainer ring.Can be provided with the wearable hard alloy piece on the described wear-resisting retainer ring surface or on the truncated cone-shaped impeller edge, the wearable hard alloy piece protrudes from outside the wear-resisting retainer ring surface or outside the truncated cone-shaped impeller surface.
Wear-resisting retainer ring can be to fixedly connected with the pulverizing chamber body sidewall, also can be for flexibly connecting.
Also can be provided with replaceable blade on the impeller of described impeller assembly.
Also can be provided with removable wear-resisting disk on the impeller of described impeller assembly.
In the technical program, the utility model is centrifugal pulverizing to be pulverized with the cone mill combine, and develop a kind of brand-new pulverizer impeller assembly, and same vertical turning cylinder is fixed in the series connection of a plurality of impeller assemblies and is fixed on the body, and form the pulverizing chamber bodies of a plurality of up and down UNICOMs, treat in the crushing process that comminuting matter from top to bottom passes through the chamber at each impeller place successively, because the high speed rotating of impeller produces very high slinging force to material, make material particles hit to the body inwall and rebound and impact mutually, thereby make large granular materials be ground into small particles material with very high energy.Because the quality of small particles material is little, thereby the kinetic energy that it had under the same linear velocity is also little, thereby the kinetic energy of depending merely on himself clashes into mutually and is difficult to realize pulverizing once more, so can also be with the edge of impeller along the truncated cone-shaped that is set to be certain cone angle on the spindle axis direction, corresponding to impeller edge wear-resisting retainer ring is set again, the gap between impeller and the wear-resisting retainer ring is gradually little wedge structure from top to bottom.Because the outside pairing wear-resisting retainer ring of impeller outer peripheral particularity umbrella cone structure and impeller matches, make fine grained material be pulverized once more and dish out through the taper outer rim of impeller and the slit between the corresponding wear-resisting retainer ring and fall the pulverizing chamber body that enters next stage impeller place, and a big grain material will still be stayed this chamber and continue to be crushed to little till the slit that can enter the impeller edge.Because the gap between the umbrella of each impeller awl and its corresponding outer wear-resistant retainer ring is gradually little successively in each pulverizing chamber body from top to bottom, thereby diameter is able under the blowing of body self wind-force smoothly by entering no longer consumption of power energy of next stage pulverizing chamber body less than the material particles of this grade minimum clearance, diameter continues to obtain the impelling of impeller blade and pulverizes and will still be present in upper level pulverizing chamber body greater than the material in this gap, this shows final by behind each pulverizing chamber body, it is very thin that the raw meal particle size of being discharged by body will become, and granular size is very even, bulky grain content is minimum, that is to say that the disposable fine powder rate of mineral that final exhaust end is processed is greatly improved.
The utility model can also be provided with permanent-magnet suspension bearing on the main shaft of body, the moving magnetic force dish of permanent-magnet suspension bearing is connected with main shaft, and magnetostatic power dish is fixedly connected on the body directly or indirectly.By regulating the distance size between moving magnetic force dish and the magnetostatic power dish, can change it attracts each other or the size of the power repelled mutually between the two, just can eliminate whole rotating part and be added in axial gravity on the bearing, significantly reduce the axial load of bearing, thereby reduce the starting and the operating load of entire equipment.
The utility model compared with prior art has the following advantages: since adopted leafy take turns to be in series be fixed in this version of same vertical rotating shaft, and the application of high hardness alloy material in the blade wheel structure assembly, make this ultramicro smashing processing machine have disposable pulverizing efficient height (being fine powder rate height), the material size wide ranges, material particles that can the qualified fineness of disposable output, and need not to increase the closed circuit flow process of regrinding of returning, thereby can simplify production procedure greatly, reduce production costs, and long service life, maintenance cost is low, and noiselessness pollutes during operation, is highly suitable for the fine powder processing of high rigidity material.
Below in conjunction with drawings and Examples the utility model is further described:
Description of drawings
Fig. 1-be the front view of this ultramicro smashing processing machine;
Fig. 2-be the profile on arbitrary plane in the total plane of point between the AG line segment among Fig. 1 (or the point between the CF line segment) and spindle axis line;
Fig. 3-be the main shaft axial of impeller one or impeller two;
Fig. 4-be the front view of impeller one or impeller two;
Fig. 5-be the front view of wear-resisting retainer ring one;
The main shaft axial section of RR hatching in the front view of the wear-resisting retainer ring one of Fig. 6-be;
Fig. 7-be the main shaft axial section of the PP hatching among Fig. 4;
Fig. 8-be among Fig. 1 between the AC line segment profile on arbitrary plane in the point of (or between GF line segment) and the total plane of spindle axis line;
The profile of Fig. 9-be AB line and the total plane of EF line (or the GH line has plane with the CD line) among Fig. 1;
The profile on A, C among Fig. 1 of Figure 10-be, F, plane, 4 places of G;
The profile on B, D among Fig. 1 of Figure 11-be, E, plane, 4 places of H;
Figure 12-be the main shaft axial of impeller three;
Figure 13-be the main shaft axial section of NN hatching among Figure 12;
Figure 14-be the main shaft axial of wear-resisting retainer ring two;
Figure 15-be MM hatching main shaft axial section among Figure 14;
Figure 16-be the main shaft axial perspective figure of the embodiment one of wear-resisting retainer ring three;
Figure 17-be the KK hatching main shaft axial section among Figure 16;
Figure 18-be the main shaft axial perspective figure of the embodiment two of wear-resisting retainer ring three;
Figure 19-be QQ hatching main shaft axial section among Figure 18;
Figure 20-be LL hatching main shaft axial section among Figure 18;
Figure 21-be the dissection front view of the following pulverizing chamber body portion among the embodiment two;
Figure 22-be the part sectioned view on spindle axis among Figure 21 and the total plane, axle center of adjusting screw rod;
The main shaft axial of Figure 23-be impeller one or impeller two among the embodiment two;
Figure 24-be the main shaft axial section of KK hatching in the accompanying drawing 23;
The axial upward view of main shaft of impeller one among the embodiment two of Figure 25-be, impeller two, impeller three;
Figure 26-be the structural representation of the axial line place section of rotating part among the embodiment three;
Figure 27-be the structural representation of the axial line place section of rotating part among the embodiment four.
The explanation of accompanying drawing drawing:
1, loading hopper 2, feeding cylinder fixed block 3, upper bearing (metal) body support frame
4, burden-guiding cone 5, upper bearing (metal) housing 6, arc backplate
7, charging cylindrical shell 8, protective shaft sleeve 9, charging end cap
10, impeller 1, replaceable blade 12, wearable hard alloy piece
13, wear-resisting retainer ring 1, last pulverizing chamber body 15, fastening bolt
16, wear-resisting lining ring 17, wear-resisting lining ring upper surface 18, main shaft
19, drop guide funnel 1, wear-resisting retainer ring 2 21, impeller two
22, following pulverizing chamber body 23, drop guide funnel 2 24, permanent seat ring
25, impeller 3 26, dust ring 27, dustproof axle sleeve
28, lower bearing housing 29, wear-resisting retainer ring 3 30, discharge cavity
31, main shaft drives wheel 32, discharge funnel 33, main shaft drives wheel chamber
34, driving wheel chamber upper head plate 35, driving wheel chamber bottom plate 36, wear-resistant liner
37, axis hole 38, unloading house's housing 39, screw
40, spring base hole 41, positioning sliding block 42, adjustment screw rod
43, adjust handwheel 44, rest pad 45, holddown groove
46, fastening screw 47, clamp nut 48, positioning sleeve
49, support spring 50, dodge gate 54, moving magnetic force dish
55, magnetostatic power dish 56, high-pressure air hose 57, permanent-magnet suspension bearing outer cover
62, upper bearing (metal) housing bottom end cover 63, upper bearing (metal) housing upper end cover
64, gases at high pressure sealing ring cavity 65, axle center master's air vent channel
66, lower bearing housing upper end cover 68, lower bearing housing bottom end cover
70, labyrinth type dust ring
A, C, F, G are four intersection points that unloading house's housing 38 and driving wheel chamber upper head plate 34 weld together
B, D, E, H are four intersection points that unloading house's housing 38 and driving wheel chamber bottom plate 35 weld together
The specific embodiment
Embodiment one, with three grades of impeller assemblies is example, with reference to accompanying drawing 1, accompanying drawing 2, accompanying drawing 8, shown in the accompanying drawing 9, this ultramicro smashing processing machine is a kind of machinery of working that drags by motor power, it mainly is made up of the two large divisions, be rotating part and standing part, standing part is mainly by loading hopper 1, charging cylindrical shell 7, charging end cap 9, last pulverizing chamber body 14, following pulverizing chamber body 22, unloading house's housing 38, discharge funnel 32, drop guide funnel 1, drop guide funnel 2 23 reaches the wear-resistant liner of going up in the pulverizing chamber body 14 36, wear-resisting lining ring 16 in the following pulverizing chamber body 22, wear-resisting retainer ring 1, wear-resisting retainer ring 2 20, wear-resisting retainer ring 3 29 is formed, and rotating part is mainly by impeller 1, impeller 2 21, impeller 3 25, protective shaft sleeve 8, dustproof axle sleeve 27, dust ring 26, main shaft 18, main shaft drives wheel 31, and upper bearing (metal) housing 5, lower bearing housing 28 is formed; The upper bearing (metal) housing 5 of rotating part links to each other with feeding cylinder fixed block 2 on the charging cylindrical shell 7 by upper bearing (metal) body support frame 3, and the inwall that is fixed in charging cylindrical shell 7 is the portion position on the lower side.Driving wheel chamber upper head plate 34 in the discharge cavity 30 of lower bearing housing 28 and this processing machine firmly is connected by fastening bolt 15, it is as a whole to make that like this rotating part and standing part firmly are connected into, make central authorities that impeller is suspended in corresponding each chamber of pulverizer up and down successively by main shaft 18 portion position on the lower side, cooperate the needed running clearance of maintenance with the respective fixation ring in each chamber, make its axle center in the wheel rotation process be positioned at the center of retainer ring, and the inward flange peripheral clearance of each impeller outer edge retainer ring corresponding with it is basic identical, deviation is very little, thereby has guaranteed the uniformity of marker size in the operation process.Outer periphery at upper bearing (metal) housing 5 is equipped with polylith arc backplate 6; the two ends of every arc backplate are welded in respectively on the adjacent upper bearing (metal) support 3; form a circular guard circle around upper bearing (metal) housing 5; the spaced radial certain distance is as the passway of machine pan feeding between this guard circle and the upper bearing (metal) housing 5; the corresponding flexible connection up and down of this passway and the feeding mouth of going into funnel 1, the annular guard circle of being made up of polylith arc backplate 6 are used for preventing that the machine operation procedure material particles from oppositely upwards flying out and protect upper bearing (metal) housing 5 not to be worn from the pan feeding bell mouth.The two ends of each piece arc backplate 6 all are fixedly welded on the appropriate location on its corresponding upper bearing (metal) body support frame 3, one end of upper bearing (metal) body support frame 3 and the shell of upper bearing (metal) housing 5 welding (or fixedlying connected) is in one, and the other end firmly is connected by the feeding cylinder fixed block of holding on the lower side on bolt and charging cylindrical shell 7 inwalls 2.The positive top of upper bearing (metal) housing 5 is set with a burden-guiding cone 4, is convenient to shunt and protect upper bearing (metal) housing 5 not to be worn to the material that falls into from loading hopper 1.The axis hole of the axis hole 37 of impeller 1, impeller 2 21, impeller 3 25 and main shaft drives wheel 31 all firmly is connected with main shaft 18 by flat key, and protective shaft sleeve 8, dust ring 26 reach the axle sleeve 27 that prevents dust and all be connected and fixed on the relevant position with main shaft 18 by overstress.Under reaching, last pulverizing chamber body 14 is respectively equipped with wear-resistant liner 36 and wear-resisting lining ring 16 on pulverizing chamber body 22 madial walls, material is selected wear-resisting alloy steel for use, material such as wear-resistant ceramic or abrasive rubber, under reaching, last pulverizing chamber body 14 sidewalls all have a rectangular peep hole on pulverizing chamber body 22 sidewalls, help inspection and replacing by this peep hole to the machine intimate parts, its respective external is provided with rotating dodge gate 50 (with reference to shown in Figure 1), the dodge gate inwall all is fixed with corresponding wear-resisting lining layer material, the inward flange of door is provided with seal gasket, and it is also airtight to guarantee that after door is closed it fixedly positioning.
Be depicted as the structural representation of impeller one, impeller two with reference to accompanying drawing 3,4,7, be fixed with several replaceable blades 11 by identical even distribution that cut angle on the upper surface of this impeller, each replaceable blade 11 closely is connected and fixed on the correspondence position of impeller upper surface by fastening bolt 15.At the edge of impeller along the truncated cone-shaped of being arranged to be certain cone angle on the spindle axis direction, (with reference to accompanying drawing 4, shown in 7) on the outward flange arcwall face of this truncated cone-shaped, evenly be carved with the groove of appropriate depth and same size shape vertically, wherein soldering has the wearable hard alloy piece 12 that cross sectional shape and this groove match, and make the radial height about 1/3rd to 1/2nd of this hard alloy blocks protrude from beyond this round platform curved edge, length also slightly is longer than about three to five millimeters of the length of this groove, thereby to guarantee that it has enough constant intensities to make impeller body can not be subjected to strong wearing and tearing.Shown in accompanying drawing 3,4,7,12,13, impeller three is that with the difference of impeller one, impeller two upper surface of impeller three need not fixedly moving vane, get final product and only need fix the identical wear-resisting disk of a removable shape, this disk is combined by identical shaped two or several piece, disk endoporus after the formation and disk outward flange all with this impeller upper surface main shaft axially on kissing merge and make its both corresponding keep fitting tightly and firmly being connected in conjunction with the plane.The outer edge part shape of impeller three and structure are all identical with impeller one, impeller two outward flange end portions, and just its round platform cone angle size and diameter can be slightly different.The shape and structure of wear-resisting retainer ring 1 and installation form are with reference to accompanying drawing 1,2,5,6,8, shown in 9, it is a circular ring, its upper surface evenly is drilled with several fixing holes along periphery, inward flange is for to be the truncated cone-shaped cambered surface of radially gradually opening from top to bottom along the spindle axis direction, evenly be provided with the groove that several have same depth and same size shape on its cambered surface, soldering has the wearable hard alloy piece 12 that cross sectional shape fits like a glove with it in this groove, the length of this alloy block slightly is longer than flute length, its thickness is a little more than 1/3rd to 1/2nd of groove depth, protrudes in outer about three to five millimeters and have enough bond strengths of its arc surface to guarantee welding back wear-resisting alloy block.Basic identical with reference to wear-resisting retainer ring 2 20 structures and wear-resisting retainer ring one shown in the accompanying drawing 14,15, just the outer edge part of its upper surface is arranged to be the stairstepping that caves in the cross section and is drilled with several fixing holes uniformly at its outward flange, the fixing wear-resisting lining ring 16 in its upper end.Shown in accompanying drawing 1,2,8,9,14,15, wear-resisting retainer ring 1, wear-resisting retainer ring 2 20 are fixedly connected on the permanent seat ring 24 on upper and lower pulverizing chamber body 22 inwalls of pulverizing chamber body 14 inwalls by fastening bolt 15 respectively, permanent seat ring 24 is a flat donut, along evenly being drilled with several fixing threaded holes on the upper surface center line of this annulus, the lateral surface of this annulus and corresponding pulverizing chamber body inwall level are fixedly welded on one; Can make by the length of adjusting protective shaft sleeve 8 on the main shaft axial height that impeller one corresponding with it, impeller two are mated up and down appropriately on the main shaft on the locus, its corresponding formation impeller and wear-resisting retainer ring gap between the two are gradually little wedge shape from top to bottom, and the gap is even around making, so its minimum clearance is the maximum of this one-level marker size.Be arranged so that minimum clearance between the corresponding wear-resisting retainer ring one with it of impeller one outward flange is greater than the maximal clearance between its corresponding wear-resisting retainer ring two of impeller two outward flanges, and the minimum clearance of its corresponding wear-resisting retainer ring two of impeller two outward flanges be slightly less than between its corresponding wear-resisting retainer ring three of the outward flange of impeller three the maximal clearance and greater than the minimum clearance between it, make impellers at different levels in operation process, can give full play to its fragmentation separately like this, improve effect.With reference to accompanying drawing 1,2,8,9,16,17,21, shown in 22, the structure of the planform of wear-resisting retainer ring 3 29 and wear-resisting retainer ring one is basic identical, the upper surface that its difference is wear-resisting retainer ring 3 29 be near outer edge one raise up stepped, and at its external cylindrical surface is same plane, be arranged at intervals with at least three screws 39 on it with certain depth, on the respective side walls of following pulverizing chamber body 22, also be provided with circular hole or the strip hole more bigger than its major diameter of thread, and make the width of this bar hole be slightly larger than the major diameter of thread of screw, thereby wear-resisting retainer ring 3 29 can be adjusted by bolt and to be fixed in the appropriate location of pulverizing chamber body 22 inwalls down, make its and location corresponding on the main shaft axial height with impeller three, instantly be set on the pulverizing chamber body wall when main shaft axially is the long strip type hole, can adjust gap length between impeller three outward flanges and wear-resisting retainer ring three inward flanges by changing the upper-lower position of fastening bolt in its strip hole, thereby guarantee at equipment through turning round long duration and can make still after being worn that the raw meal particle size of final discharge meets the requirements.Being equipped with on the main shaft outside lower bearing housing 28 and upper bearing (metal) housing 5 can be with the dust ring 26 of main shaft rotation, shown in accompanying drawing 1,2,8,9, keep minimum running clearance between this dust ring and the corresponding bear box, because the special construction of dust ring makes when main shaft drives the dust ring high speed rotating, because the centrifugal action on dust ring 26 surfaces, make drop on the dust ring 26 with and outwards dished out with the sand and dust of each bear box gap location, and be difficult to enter bearing chamber body inside, thereby guaranteed that bearing can work for a long time normally.The outer wall of upper bearing (metal) housing 5 and lower bearing housing 28 all can be arranged to have the airtight hollow cavity shape structure of certain intensity, by on its outer wall, holing, water inlet pipe, drainpipe that welding communicates with it, in this hollow cavity, supply water, can make the bear box temperature be kept constant, thereby it is constant that its internal bearings temperature is able to, and guaranteed the long-life of its internal bearings.
This routine ultramicro smashing processing machine is work like this:
When bulk materials is fallen by loading hopper 1, thereby owing to be subjected to the shunting action of burden-guiding cone 4 and impeller under main shaft drives wheel 31 drives, to make material be distributed in uniformly on the upper surface of impeller 1 with the main shaft high speed rotating, and owing to be subjected to the high-speed impact of impeller one upper surface blade, the material piece is dished out at a high speed under centrifugal action immediately, and cause between material piece and the material piece, mutual bump and high-speed friction between material piece and the impeller and between the fixing wear-resistant liner 36 of material piece and last pulverizing chamber body 14 inwalls and pulverize, enter drop guide funnel 1 by the wedge-like slit between impeller 1 and the wear-resisting retainer ring 1 under the drive of small particles material high velocity air in last pulverizing chamber body, then enter down the impeller 2 21 of pulverizing chamber body 22, the big grain material that can not fall into the wedge-shaped crevice place at impeller one edge will continue to be subjected to the impelling of impeller one blade and to impact in last pulverizing chamber body, can enter this wedge-shaped crevice place and be squeezed the broken impeller 2 21 that enters down pulverizing chamber body 22 until being crushed to.Still like this in following pulverizing chamber body 22, since the particle of material less relatively its during by the impeller impelling energy also less, thereby closely and fixedly secure the wear-resisting lining ring 16 of a circle at the inwall place of following pulverizing chamber body 22, it is combined by the several piece liner plate, its material adopts the high hardness wear-resisting material to make, equally, material particles clashes into wear-resisting lining ring 16 on every side and pulverizes under the high-speed projectile of impeller 2 21, qualified material enters drop guide funnel 2 23 by the wedge-shaped crevice between impeller two outward flanges and wear-resisting retainer ring 2 20 inward flanges, and then enters impeller 3 25.The impelling effect of 3 25 pairs of materials of impeller is very little, shown in accompanying drawing 12,13, it mainly relies between impeller three outward flanges and wear-resisting retainer ring 3 29 inward flanges fixing wearable hard alloy piece 12 of welding to push and rub and material is pulverized at the inertia force of the high speed relative motion at wedge-shaped crevice place and impeller, thereby its grinding particle size is thin and even, be difficult for being mingled with large granular materials, its crush efficiency height, long service life.The fine of discharging from following pulverizing chamber body is introduced into the discharge cavity 30 between unloading house's housing 38 inwalls and main shaft drives wheel chamber 33 outer walls, after be connected outside the discharge funnel 32 discharge bodies of its lower end.It is discharge cavity 30 and main shaft drives wheel chamber 33 that unloading house's housing 38 inside are separated into not connected two parts, main shaft drives wheel chamber 33 is welded jointly by driving wheel chamber upper head plate 34, driving wheel chamber bottom plate 35 and unloading house's housing 38 and last lower plate ABDC, ABHG, EFGH, hexahedron cavity structure for the end opening that is relative closure, discharge cavity 30 be positioned at main shaft drives wheel chamber 33 around, and top, bottom and around do not communicate with main shaft drives wheel chamber 33.Lower bearing housing 28 and main shaft drives wheel 31 are positioned in the main shaft drives wheel chamber 33.Shown in accompanying drawing 1,2,8,9,10,11.
Embodiment two, and basic identical with the structure of embodiment one shown in accompanying drawing 1,2,4,7,8,9,20,21,22,23,24,25, its improvements are:
One, cutting formed after the blade of impeller one and impeller two adopted casting or forging and molding, its upper surface at impeller evenly is cast with several measure-alike blade projectioies, this be raised in main shaft axially on the lower surface corresponding site of corresponding impeller radially be provided with corresponding several reinforcement gusset, the intensity of impeller improves greatly like this.The replaceable abrasion-resistant blade of impeller one and impeller two adopts two no longer to adopt the small size blade to the large tracts of land composite blading of several piece, be three combined blades as shown in Figure 23, this blade pass is crossed bolting and is interlockingly connected tightly in the upper surface of impeller and with the bossing of impeller, constitute an integral wheel, shown in accompanying drawing 4,7,23,24,25.
Two, the outside pairing wear-resisting retainer ring 3 29 in its impeller three edges is set to as accompanying drawing 21, syndeton form shown in 22, the sidewall of its outer rim is provided with several radially holddown grooves 45, the bottom center of groove respectively is provided with radially an inner bolt hole 39, on its lower surface main shaft axial direction corresponding to the B on the main shaft drives wheel chamber upper head plate 34, D, E, the H point is provided with several spring base holes 40 with the position of the interior edge that keeps to the side, the corresponding support spring 49 of installing respectively in this hole, this spring bottom is located in and is fixed on the driving wheel chamber upper head plate 34, with wear-resisting retainer ring 3 29 horizontal supportings in following pulverizing chamber body 22.Following pulverizing chamber body 22 on the lower side on the lateral wall in the same horizontal plane of portion position five equilibrium and respectively level be welded with several rest pads 44, on rest pad 44, axially be drilled with the pilot hole of same apertures respectively along main shaft near the outer end, be provided with the axial location and the adjustment screw rod 42 that can rotate within it in this hole vertically around himself axle center, these adjustment screw rod 42 lower ends are threaded portion, and the upper end is with fixable positioning sleeve 48 successively and adjusts handwheel 43.Adjust screw rod 42 lower end threaded portions and match with axial thread on the positioning sliding block 41 and cooperate tightly also free to rotately, make both keep relative flexible connection.And the radial hole (also claiming transverse holes) in the square orifice groove on this positioning sliding block 41 passes down strip mouth groove on pulverizing chamber body 22 outer walls by fastening screw 46, clamp nut 47 with positioning sliding block 41 and just is anchored in the respective fixation groove 45 on wear-resisting retainer ring 3 29 lateral walls, and both inlay tight and become a firm integral body.Because its width of strip mouth groove on the following pulverizing chamber body 22 is slightly larger than the width that passes its inner positioning sliding block 41, and this mouthful groove in the axial length of main shaft much larger than the main shaft of the positioning sliding block 41 that is positioned at it length on axially, so when rotating adjustment screw rod 42, owing to adjust screw rod 42 is subjected to its external support piece 44 and positioning sleeve 48 in the position on axial along main shaft restriction, himself can't move up and down vertically, and it must drive positioning sliding block 41 when rotating and moves up and down, thereby the inwall that drives the following pulverizing chamber body 22 in wear-resisting retainer ring 3 29 edges is done within it and is moved up and down accordingly, that is to say by rotate adjusting handwheel 43 and can control relative position between its inner impeller three and the wear-resisting retainer ring three and the gap length between it, thereby controlled the size of discharging-material size at engine body exterior.
Embodiment three, this example and example 1, the structure of example 2 is basic identical, its improvements are to be provided with in this example the permanent-magnet suspension bearing of high thrust, shown in accompanying drawing 26, burden-guiding cone 4 firmly is connected with permanent-magnet suspension bearing outer cover 57, permanent-magnet suspension bearing outer cover 57 inner upper end faces are located mutually with magnetostatic power dish 55 non-magnet ends and firmly are connected, magnetostatic power dish 55 magnet ends and moving magnetic force dish 54 magnet ends mutually close (its spacing is best with the 2-10 millimeter) that firmly are connected in main shaft 18 upper ends by screw thread, and its two abutting ends face is parallel to each other and perpendicular to the axle center of main shaft 18, rely on magnetic field therebetween to produce moving the connection.So when moving magnetic force dish 54 rotated with main shaft 18, the gap between moving magnetic force dish 54 and the magnetostatic power dish 55 remained constant, just persuades the active force between magnetic force dish 54 and the magnetostatic power dish 55 to remain unchanged.The center of moving magnetic force dish 54 has an aperture just to communicate with axle center master's air vent channel 65 at place, main shaft 18 axle center along axis direction; axle center master's air vent channel 65 is the elongated deep hole of lower end sealing; axle center master air vent channel 65 is corresponding to upper bearing (metal) housing bottom end cover 62 on the outer surface of main shaft 18; lower bearing housing upper end cover 66; lower bearing housing bottom end cover 68 places are drilled with several radially ducts respectively; these radially an end in duct communicate with axle center master's air vent channel 65; each self-corresponding gases at high pressure sealing ring cavity 64 of the other end and its communicates; high-pressure air hose 56 is fixedlyed connected with permanent-magnet suspension bearing outer cover 57 by screw thread; and its endoporus is communicated with permanent-magnet suspension bearing outer cover 57 inner spaces; like this when main shaft 18 rotates; the compressed air that comes from high-pressure air hose 56 just seals ring cavity 64 by the gases at high pressure that axle center master's air vent channel 65 enters everywhere; because the air pressure in this gases at high pressure sealing ring cavity 64 is far above the air pressure of its outside impeller and periphery; thereby gas only can seal ring cavity 64 by gases at high pressure and releases to space outerpace with main shaft 18 corresponding peripheral running clearances separately by it; and the high concentration sand and dust of machine intimate impeller periphery can be not oppositely peripheral running clearance by each seal member and main shaft 18 enter infringement bearing and sealing in the bear box, guarantee machine running efficiently for a long time.
Burden-guiding cone 4 is a sharp coniform solid construction, its lower end and permanent-magnet suspension bearing outer cover 57 are fixedly connected, permanent-magnet suspension bearing outer cover 57 lower ends are connected with upper bearing (metal) housing upper end cover 63 positioning and fixing, upper bearing (metal) housing upper end cover 63 is located with upper bearing (metal) housing 5 and is fixedlyed connected, and upper bearing (metal) housing 5 lower ends are located with upper bearing (metal) housing bottom end cover 62 and fixedlyed connected; Permanent-magnet suspension bearing outer cover 57 is the round barrel shape structure of cylindrical upper end sealing, is provided with an aperture at the suitable position of bucket wall, firmly is connected with high-pressure air hose 56 and communicates by screw thread.The upper surface positioning and fixing of permanent-magnet suspension bearing outer cover 57 inside has a discoid magnetostatic power dish 55, the short cylindrical shape magnetic conductivity steel disc that magnetostatic power dish 55 is 3-30 cm thicks, end face at this disk is the center of circle with the central point, suitably be shaped on the annular groove of certain radial width and axial depth apart from car apart from this central point, make and just be embedded with strong magnets identical shaped and identical size in this groove, fixedly secure by high-temperature resistance adhesive between magnet and the steel disc contact-making surface and be connected in aggregatesly, and make magnet surface and this steel disc original surface be in same plane; Equally, moving magnetic force dish 54 also is to adopt the magnetic conductivity steel disc car system with magnetostatic power dish 55 same diameter to form, external diameter is identical, and just thickness is slightly different with shape, firmly be connected with the upper end axle head screw thread of main shaft 18 by the major thread that is arranged at its center along moving magnetic force dish 54 on the spindle axis direction at it, and its axle center is same axis of rotation with main shaft; On the axis direction with magnetostatic power dish 55 the same corresponding mirror position on the end face of a side of adjacent moving magnetic force dish 54 also firm be embedded with the powerful permanent magnet of an identical annular, and make this magnet surface and the steel disc surface that should move the magnetic force dish be same plane, centre at moving magnetic force dish 54 is provided with-circular hole along main shaft 18 axis directions, this circular hole is connected with axle center master's air vent channel 65 on the main shaft 18, axle center master's air vent channel 65 on the main shaft 18 is the profound duct of lower end sealing, on the outer surface of this main shaft 18 corresponding to upper bearing (metal) housing bottom end cover 62, lower bearing housing upper end cover 66, each gases at high pressure sealing ring cavity 64 place in the lower bearing housing bottom end cover 68 be drilled with respectively several ducts along main shaft diameter to communicating with axle center master's air vent channel 65, so each gases at high pressure sealing ring cavity 64 promptly communicates with high-pressure air hose 56.
On the locus, main shaft 18 firmly is coupled to a rotation integral body with the moving magnetic force dish 54 of main shaft drives wheel 31, lower bearing body assembly, each impeller and protective shaft sleeve, upper bearing (metal) body assembly, permanent-magnet suspension bearing from bottom to top successively, constitutes this routine rotating part; Upper bearing (metal) body assembly is made up of the outside framework oil seal of upper bearing (metal) housing upper end cover 63, upper bearing (metal) housing bottom end cover 62, upper bearing (metal) housing 5, upper bearing (metal) housing upper end cover 63, the outside framework oil seal of upper bearing (metal) housing bottom end cover 62 and the dust ring 26 of upper bearing (metal) housing bottom end cover 62 lower end correspondences; The lower bearing housing assembly is by labyrinth type dust ring 70, lower bearing housing upper end cover 66, lower bearing housing 28, lower bearing housing bottom end cover 68 and corresponding outside framework oil seal, form together with the pairing dust ring 26 in lower bearing housing bottom end cover 68 lower ends; The permanent-magnet suspension bearing assembly comprises permanent-magnet suspension bearing outer cover 57, moving magnetic force dish 54 and magnetostatic power dish 55 compositions, the surface, mirror image position of the correspondence of two adjacent cards of moving magnetic force dish 54 and magnetostatic power dish 55 is the heteropole magnetic pole each other, constitutes the package assembly of heteropole phase absorption.
Embodiment four, and the structure of this example and example 3 is basic identical, and difference is the package assembly that the surface, corresponding mirror image position of forming two adjacent cards of the moving magnetic force dish 54 of permanent-magnet suspension bearing assembly and magnetostatic power dish 55 constitutes homopolar-repulsion.
With reference to shown in Figure 27, permanent-magnet suspension bearing outer cover 57 is fixedlyed connected with upper bearing (metal) housing upper end cover 63 among the figure, the profile of moving magnetic force dish 54 and magnetostatic power dish 55 also has different, moving magnetic force dish 54 is fixedlyed connected with main shaft 18 upper ends equally, just its magnetic pole strength is for fitting together downwards, magnetostatic power dish 55 centres be provided with one with main shaft 18 be the circular hole of concentric, magnetostatic power dish 55 fixedly secures with upper bearing (metal) housing upper end cover 63, main shaft passes the center hole of magnetostatic power dish 55 and upper bearing (metal) housing upper end cover 63, this circular hole internal diameter is slightly larger than the external diameter of the axle of these place's main shaft 18 corresponding sites, and the center in hole is in spindle axis from top to bottom all the time, thereby when main shaft rotates, its all the time and the centre bore of 63 of magnetostatic power dish 55 and upper bearing (metal) housing upper end covers keep certain running clearance and do not rub mutually, the magnetic pole strength of magnetostatic power dish 55 is upwards corresponding with the magnetic pole strength that moves magnetic force dish 54 and lean on very closely mutually, and the magnetic pole of the corresponding mirror image position cards of two adjacent dishes is identical and keep suitable running clearance; So constitute homopolar-repulsion permanent-magnet suspension bearing assembly structure.
All be provided with the permanent-magnet suspension bearing of high thrust among embodiment 3 and the embodiment 4, to substitute existing mechanical rolling thrust bearing and slide thrust bearing, by adjusting be arranged on the moving magnetic force dish of axle head and be arranged on the bearing chamber housing upper end cover or magnetostatic power dish on the permanent-magnet suspension bearing outer cover between the distance size, can change it and attract each other between the two or the size of the power repelled mutually.Because moving magnetic force dish is fixed as one with main shaft and each parts of rotating part, and the magnetive attraction between its suffered and magnetostatic dish is just opposite with the suffered gravity direction of each parts of rotating part, thereby by adjusting the gap length between movable magnetic disc and the magnetostatic dish adjacently situated surfaces, just can adjust movable magnetic disc and magnetostatic dish magnetic force size between the two, thereby can eliminate whole rotating part and be added in axial gravity on the bearing, significantly reduced the axial load of bearing, that is to say with regard to bearing and machine and be equivalent to the running of near-zero gravity itself, the starting and the operating load of equipment have been significantly reduced, saved the energy and electric power, more helped equipment simultaneously to maximizing and the development of high rotating speed high throughput aspect.
In addition, bearing in example 1 and the example 2 all adopts the lipid lubricating system, and the bearing in example 3 and the example 4 can adopt the thin oil lubricant mode, a whole set of lubricating system that it can be made up of oil pump, lube oil inlet pipe, director valve, oil return pipe, cooling fuel tank, machine oil screen pack and oil water separator so more helps the heat radiation cooling of bearing and the raising of rotating speed.
Single mechanical seal mode is all adopted at example 1 and example 2 middle (center) bearing two ends, seal the air current sealed system that ring cavity is formed and can increase in the structure of example 3 and example 4 by high-pressure pump, cooler, moisture trap, pneumatic filter, high-pressure air hose, axle center master's air vent channel and gases at high pressure, make mechanical seal and air current sealed combining, so more help under dense mud of high dust etc. contains the adverse circumstances of certain granules shape abrasive particle, keeping its good permanent sealing property, thereby prolonged the service life of bearing greatly.
Claims (9)
1. high hardness mineral ultramicro smashing processing machine, body is provided with loading hopper, below loading hopper, be provided with crushing chamber, the below of crushing chamber is provided with the discharge funnel, it is characterized in that, be provided with main shaft in the crushing chamber, on main shaft, be in series with N impeller assembly, N impeller assembly is separated into N pulverizing chamber body that is communicated with up and down with crushing chamber, gap between each upper level impeller assembly and its pulverizing chamber body inwall is greater than the gap between adjacent next stage impeller assembly and its pulverizing chamber body inwall, N＞1.
2. high hardness mineral ultramicro smashing processing machine according to claim 1 is characterized in that, described pulverizing chamber body inwall is provided with wearing layer.
3. high hardness mineral ultramicro smashing processing machine according to claim 1 and 2, it is characterized in that, impeller edge corresponding to impeller assembly is provided with wear-resisting retainer ring, wear-resisting retainer ring is connected on the pulverizing chamber body sidewall, the impeller edge of impeller assembly is the truncated cone-shaped that is certain cone angle, and it is gradually little wedge structure from top to bottom with gap between the corresponding wear-resisting retainer ring.
4. high hardness mineral ultramicro smashing processing machine according to claim 3 is characterized in that, the truncated cone-shaped impeller edge of described impeller assembly is provided with the wearable hard alloy piece, and the wearable hard alloy piece protrudes from outside the truncated cone-shaped impeller surface.
5. high hardness mineral ultramicro smashing processing machine according to claim 3 is characterized in that, described wear-resisting retainer ring surface is provided with the wearable hard alloy piece, and the wearable hard alloy piece protrudes from outside the wear-resisting retainer ring surface.
6. high hardness mineral ultramicro smashing processing machine according to claim 3 is characterized in that, wear-resisting retainer ring and pulverizing chamber body sidewall are for flexibly connecting.
7. high hardness mineral ultramicro smashing processing machine according to claim 1 is characterized in that the impeller of described impeller assembly is provided with replaceable blade.
8. high hardness mineral ultramicro smashing processing machine according to claim 1 is characterized in that, the impeller of described impeller assembly is provided with removable wear-resisting disk.
9. high hardness mineral ultramicro smashing processing machine according to claim 1 is characterized in that, is provided with permanent-magnet suspension bearing on the main shaft of body, and the moving magnetic force dish of permanent-magnet suspension bearing is connected with main shaft, and magnetostatic power dish is connected with body.
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| CN2010202606808U CN201848273U (en) | 2009-09-26 | 2010-07-06 | High-hardness mineral superfine pulverizing machine |
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| CN2010202606808U CN201848273U (en) | 2009-09-26 | 2010-07-06 | High-hardness mineral superfine pulverizing machine |
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| CN2010202606808U Expired - Fee Related CN201848273U (en) | 2009-09-26 | 2010-07-06 | High-hardness mineral superfine pulverizing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101905183A (en) * | 2009-09-26 | 2010-12-08 | 王瑞琪 | High hardness mineral ultramicro smashing processing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102806130A (en) * | 2012-08-04 | 2012-12-05 | 王瑞琪 | Medium-free micro pulverizer |
| CN106220744B (en) * | 2016-08-12 | 2019-04-09 | 江苏宝宝宿迁国民生物科技有限公司 | Disintegrating mechanism is used in a kind of production of denaturation rice starch |
| CN107262257B (en) * | 2017-07-15 | 2023-08-01 | 山西三元炭素有限责任公司 | Grinding mill |
| CN109590096B (en) * | 2018-12-13 | 2020-06-26 | 林晓 | Natural substance extraction equipment |
| CN111672607A (en) * | 2020-07-28 | 2020-09-18 | 贵州成智重工科技有限公司 | Superfine medium-micro aggregate processing technology and system |
| CN112808384B (en) * | 2021-01-22 | 2022-04-01 | 四川大学 | A small crushing device with fine-tuning gap |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US1758010A (en) * | 1928-08-18 | 1930-05-13 | George F Pettinos | Grinding mill |
| JPS5221748B2 (en) * | 1972-03-14 | 1977-06-13 | ||
| SU837399A2 (en) * | 1979-04-06 | 1981-06-15 | Всесоюзный Научно-Исследовательскийинститут Электрификации Сельскогохозяйства | Centrifugal multistage crusher |
| CN2172157Y (en) * | 1993-10-20 | 1994-07-20 | 沙居建 | Verticle shaft and back shock fine crusher |
| CN2227523Y (en) * | 1995-05-22 | 1996-05-22 | 洛阳市华达非标准设备制造有限公司 | LCM vertical rough mill |
| CN2284101Y (en) * | 1997-01-30 | 1998-06-17 | 兰开丛 | High effective energy saving verticle crushing grinder |
| CN101905183A (en) * | 2009-09-26 | 2010-12-08 | 王瑞琪 | High hardness mineral ultramicro smashing processing machine |
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| CN101905183A (en) * | 2009-09-26 | 2010-12-08 | 王瑞琪 | High hardness mineral ultramicro smashing processing machine |
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