CN213591098U - Stator positioning device of powder concentrator - Google Patents

Stator positioning device of powder concentrator Download PDF

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Publication number
CN213591098U
CN213591098U CN202022113414.9U CN202022113414U CN213591098U CN 213591098 U CN213591098 U CN 213591098U CN 202022113414 U CN202022113414 U CN 202022113414U CN 213591098 U CN213591098 U CN 213591098U
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blade
positioning
stator
plate
positioning device
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陈炎军
饶治国
岳争超
刘国胜
李龙
袁野
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Daye Special Steel Co Ltd
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Daye Special Steel Co Ltd
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Abstract

The utility model provides a powder concentrator stator positioner, include: the cross section of the positioning device is annular, and the inner surface of the positioning device is connected with the outer surface of the stator and used for positioning the stator. The positioning device is formed by sequentially connecting a plurality of positioning plates end to end, and the cross section of each positioning plate is a sector ring. The stator comprises a plurality of blade assemblies, each blade assembly specifically comprises a blade shaft, a blade connecting plate and a blade, and the blade shaft is connected with the blade through the blade connecting plate; the inner side surface of the positioning plate is provided with a matching groove matched with the blade assembly; the axis of the blade shaft is vertical to the upper surface of the positioning plate, and the blade shaft extends into the matching groove and is fixedly connected through welding. The utility model provides a selection powder machine stator positioner, simple structure, low in manufacturing cost, the installation of being convenient for has reduced equipment trouble rate, has improved stator blade life cycle, has improved product quality.

Description

Stator positioning device of powder concentrator
Technical Field
The utility model belongs to the technical field of slay miropowder selection powder machine equipment, in particular to selection powder machine stator positioner.
Background
The slag micropowder is a powdery product obtained by grinding blast furnace water-quenched slag by a grinder and screening by a powder concentrator, has better activity, is usually used for cement concrete admixture, has the technical indexes of mainly specific surface area, 7D activity and the like, and has obvious influence on the yield and quality of the slag micropowder due to the working state of the powder concentrator in actual production.
Slag miropowder selection powder machine has 60 stator blade, evenly distributed is on the circumference of phi 6300mm, height 3750mm, and its main function is through stator blade's rotation, forms reasonable air current distribution for thick, the high-efficient separation of fine fraction miropowder, the stator blade angle that wherein stabilizes is crucial to the air current influence, and in prior art, stator blade's fixing is realized through blade location axle and blade connecting plate, summarizes to follow and mainly has following characteristic and shortcoming:
(1) the single stator blade is longer, under the air flow friction of high-speed vortex, the blade is easy to wear, deflect and the like, the air flow distribution in the powder concentrator is damaged, the quality of micro powder is poor directly, the specific surface area can not meet the requirement, and the 7D activity degree is poor;
(2) the stator blades are mainly fixed by the positioning shaft, and the dispersed stator blades are likely to break the positioning shaft due to uneven stress, so that the powder concentrator vibrates and rubs with the rotor blades, and the powder concentrator needs to be stopped and fixed again in severe cases;
(3) the stator blade has short service cycle, high failure rate and long failure processing time, and the production efficiency is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The present invention aims at least solving one of the technical problems existing in the prior art or the related art.
In view of this, an object of the present invention is to provide a stator positioning device for a powder concentrator.
In order to realize the above purpose, the technical scheme of the utility model provides a selection powder machine stator positioner includes: the cross section of the positioning device is annular, and the inner surface of the positioning device is connected with the outer surface of the stator and positions the stator; the positioning device is formed by sequentially connecting a plurality of positioning plates end to end, and the cross section of each positioning plate is a sector ring.
Further, the stator comprises a plurality of blade assemblies, each blade assembly specifically comprises a blade shaft, a blade connecting plate and a blade, and the blade shafts are connected with the blades through the blade connecting plates; the inner side surface of the positioning plate is provided with a matching groove matched with the blade assembly; the axis of the blade shaft is vertical to the upper surface of the positioning plate, and the blade shaft extends into the matching groove and is fixedly connected through welding.
Furthermore, a plurality of matching grooves are formed in the inner side face of each positioning plate, each matching groove is composed of a first plane, an arc face and a second plane which are sequentially connected, the circle centers of the arc faces at the same horizontal position are connected to form a first circle, the distance between the circle centers of any two adjacent arc faces is equal, and the circle centers of the first circle at the same horizontal position, the inner surface of the positioning device and the outer surface of the positioning device are concentric.
Furthermore, two ends of the arc surface are respectively tangent to the first plane and the second plane, and the second plane and the first plane form a first preset included angle; in the blade subassembly and the cooperation groove that link to each other wantonly, be the second between blade and the first plane and predetermine the contained angle.
Further, still include: and the auxiliary plate is used for assisting in adjusting the angle between the blade and the first plane when the positioning plate is welded to the blade assembly.
Furthermore, the first end of the positioning plate is provided with a convex part, the second end of the positioning plate is provided with a concave part, and in any two adjacent positioning plates, the convex part of one positioning plate extends into the concave part of the other positioning plate and then is fixedly connected through welding.
Further, the blade connecting plate is detachably connected with the blade; the thickness range of the positioning plate is 10 mm-12 mm.
Further, at least two groups of positioning devices are arranged at intervals along the length direction of the blade assembly; the positioning plates in two adjacent positioning devices are arranged in a staggered mode along the length direction of the blade assembly.
Further, the number of blade assemblies is 60; each positioning device comprises 15 positioning plates, and each positioning plate is provided with four matching grooves; wherein, every locating plate welds with 4 blade subassembly, and the cooperation groove agrees with the surface of blade axle.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is: the blades are fixed through the two layers of positioning plates, so that the phenomena of abrasion, deflection and the like of the blades under the air flow friction of high-speed vortex are avoided, the air flow distribution in the powder concentrator is stabilized, the product quality is improved, the service life of equipment is prolonged, and the operation rate of the equipment is ensured.
Drawings
Fig. 1 is a schematic structural view of a main view angle of a stator positioning device of a powder concentrator according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram illustrating a top view of a stator positioning device of the powder concentrator according to an embodiment of the present invention;
FIG. 3 is a partially enlarged schematic view of portion A of FIG. 2;
fig. 4 shows a schematic structural view of a positioning plate according to an embodiment of the present invention;
fig. 5 shows a schematic structural view of a positioning plate according to another embodiment of the present invention;
fig. 6 shows a schematic view of the protrusion and the recess of two positioning plates according to an embodiment of the present invention;
fig. 7 shows a schematic structural view of a positioning plate according to yet another embodiment of the present invention;
figure 8 shows a schematic structural view of a positioning plate of a specific embodiment of the present invention;
fig. 9 is a schematic structural view of a main viewing angle of an auxiliary plate according to an embodiment of the present invention;
fig. 10 is a schematic left-view structural diagram of an auxiliary board according to an embodiment of the present invention.
The symbols in the figures are as follows:
10 stators, 1 blade assembly, 12 blade shafts, 14 blade connecting plates, 16 blades, 3 positioning plates,
32 inner side, 34 outer side, 36 first end, 362 convex part, 38 second end, 382 concave part, 310 matching groove, 312 first plane, 314 arc surface, 316 second plane, 30 positioning device, 302 first circle, 4 auxiliary plate, 42 main plate, 421 convex part, 4211 long side, 422 main body part, 4221 first straight surface, 4222 second straight surface, 4223 third straight surface, 4224 inclined surface, 44 auxiliary plate and 441 long side.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention and its advantages will be described in further detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, an embodiment of the present invention provides a stator positioning device for a powder concentrator, which is used for a slag micro powder concentrator and plays a role in positioning a stator of the powder concentrator.
Powder concentrator stator positioner includes: the cross section of the positioning device 30 is annular, the inner surface of the positioning device 30 is connected with the outer surface of the stator 10 and positions the stator 10 so as to improve the strength of the stator 10, and specifically, the blade assembly 1 comprises a blade shaft 12, a blade connecting plate 14 and a blade 16, wherein the blade shaft 12 is connected with the blade 16 through the blade connecting plate 14; the positioning device 30 comprises a plurality of positioning plates 3, and the positioning plates 3 are connected end to form the annular positioning device 30; the blade assemblies 1 are annularly arranged on a plane perpendicular to the length direction of the blade assemblies, the axes of all the blade shafts 12 are parallel to each other, and each blade assembly 1 is uniformly distributed, so that air can provide reasonable airflow distribution when passing through gaps among the blade assemblies 1, coarse-fraction micro powder and fine-fraction micro powder are efficiently separated, and the slag micro powder screening quality of the slag micro powder concentrator is improved; the medial surface 32 of locating plate 3 is equipped with and cooperates groove 310 with blade subassembly 1 complex, the axis of blade axle 12 is perpendicular with upper surface (lower surface) of locating plate 3, blade axle 12 stretches into cooperation groove 310 in through welding and locating plate 3 fixed connection, enclose a plurality of blade subassemblies 1 in positioner's 30 inner surface, make positioner 30 provide the support for blade axle 12 of blade subassembly 1, reduce flutter of blade axle 12 and blade 16 under the air current of high-speed vortex, thereby under the air current friction of high-speed vortex, reduce the wearing and tearing of blade 16, and reduce blade 16 skew, blade axle 12 cracked possibility, thereby improve blade subassembly 1's stability, optimize the inside air current distribution of selection powder machine, reduce blade subassembly 1's fault rate, prolong blade subassembly 1's life cycle, guarantee the operating rate of equipment.
Specifically, the blade attachment plate 14 is provided for better replacement of the blade 16, and the blade 16 is removably attached to the blade attachment plate 14 such that only the blade 16 needs to be removed from the blade attachment plate 14 and replaced with a new blade 16 when the blade 16 is replaced. If the blade 16 is directly connected to the blade shaft 12, the connection can be made only by welding, which makes it difficult to replace the blade 16.
The thickness range of the positioning plate 3 is 10-12 mm. Specifically, the strength is not satisfactory below 10mm, the sheet is easily broken, and the material is wasted if the thickness is greater than 12 mm.
As shown in fig. 3, the installation positions of the blade assembly 1 and the positioning plate 3 can be quickly found by the matching manner of the blade assembly 1 and the matching groove 310, so that the assembly efficiency is improved; a plurality of locating plates 3 weld one by one to blade subassembly 1 on, carry out welded connected mode to adjacent locating plate 3 again, only need add on original selection powder machine equipment structure basis weld can, need not carry out any change to original structure to reduce manufacturing cost and the assembly degree of difficulty, cooperation groove 310 agrees with the surface of blade axle 12, so that firm welding.
Alternatively, in another specific embodiment, the positioning device 30 is a unitary structure, the matching groove 310 is uniformly disposed on the inner surface of the positioning device 30, the axis of the blade shaft 12 is perpendicular to the upper surface (lower surface) of the positioning device 30 and extends into the matching groove 310 to be fixedly connected with the positioning device 30 by welding, so that the positioning device 30 provides support for the stator 10.
As shown in fig. 4, an embodiment of the present invention further defines:
the plate surfaces of the positioning plates 3 are fan-shaped, so that the outlines of the inner side surfaces 32 and the outer side surfaces 34 are arc surfaces, the inner side surfaces 32 and the outer side surfaces 34 are concentric, the inner side surfaces 32 of the plurality of positioning plates 3 form the inner surfaces of the positioning devices 30, and the outer side surfaces 34 of the plurality of positioning plates 3 form the outer surfaces of the positioning devices 30. A plurality of matching grooves 310 are formed in the inner side surface 32 of each positioning plate 3, each matching groove 310 is composed of a first plane 312, an arc surface 314 and a second plane 316 which are sequentially connected, and the arc surface 314 is used for being attached to the blade shaft 12 so as to improve the welding firmness of the blade shaft 12 and the matching grooves 310; connect the centre of a circle at same horizontal position on every arc surface 314 and form first circle 302, the distance between the centre of a circle of two arbitrary adjacent arc surfaces 314 equals for blade subassembly 1 when welding in the cooperation groove 310 of locating plate 3, the even distribution of a plurality of blade subassemblies 1 is on the circumference of first circle 302, the clearance between two arbitrary adjacent blades 16 is the same promptly, in order to do benefit to and form reasonable air current distribution, first circle 302 at same horizontal position is concentric with medial surface 32, lateral surface 34 of locating plate 3.
The center of the circular arc surface 314 is initially determined by the positioning center of the blade shaft 12.
As shown in fig. 4, an embodiment of the present invention further defines:
two ends of the arc surface 314 are respectively tangent to the first plane 312 and the second plane 316, and the second plane 316 and the first plane 312 form a first preset included angle; any connected blade assembly 1 is at a second predetermined angle with respect to the first plane 312 in the mating slot 310.The second plane 316 is provided for convenience of installation of the blade 16 and a space required for adjusting the angle of the blade 16, and the first plane 312 is provided for fixing the blade shaft 12. The two blades 16 are parallel by having all the blades 16 at a second predetermined angle to the first plane 312. The included angle between two adjacent blades 16 is 25-30 degrees, the distance between two adjacent blades 16 is 450mm, after the blades 16 are fixed, the rotating speed of the rotor is adjusted, the airflow strength near the surface of the stator 10 is adjusted to obtain differential particles with different specific surface areas, and when the rotating speed of the rotor is 100r/min, the specific surface area of the obtained product is 420m2/kg~430m2Specifically, the airflow near the surface of the stator part (stator 10 of the powder concentrator) and the material dispersed in the airflow are driven by the rotor part to rotate at high speed, so that the fine powder particles in the airflow are subjected to strong centrifugal force, when the rotating speed is increased, the centrifugal force is also increased, the heavy (or large) fine powder particles are subjected to large centrifugal force and cannot pass through the blades 16 of the powder concentrator, and at this time, if the processing air volume is kept constant, only the small fine powder particles can pass through, and the obtained product is thinned. The angle and distance between the two blades 16 determine the strength of the air flow near the rotor, and therefore the angle and distance between the two blades 16 determine the selective permeability of the entire plant to the finished micropowder particles.
As shown in fig. 5 and 6, an embodiment of the present invention further defines:
the first end 36 of the positioning plate 3 is provided with a convex part 362, the second end 38 of the positioning plate 3 is provided with a concave part 382, any two adjacent positioning plates 3 are arranged, the convex part 362 of one positioning plate 3 extends into the concave part 382 of the other positioning plate 3 to realize fixed connection through welding, the positioning plates 3 are provided with the convex part 362 and the concave part 382 which are matched with each other, when a plurality of positioning plates 3 are assembled on the blade assembly 1, the two adjacent positioning plates 3 can be quickly positioned and connected through the matching of the convex part 362 and the concave part 382, after the positioning plates 3 enclose the combined positioning device 30, the connecting parts of the convex part 362 and the concave part 382 are welded, finally, the integral fixation among the positioning plates 3 is realized, when the positioning plates 3 are welded one by one, the accumulation of dimension errors caused by assembly errors or improper operation of a welding process is avoided, finally, a plurality of positioning plates 3 cannot be closed to form the positioning device 30, or the different positioning plates 3 are unevenly distributed to cause uneven distribution of the blade assembly 1.
Specifically, as shown in fig. 7, the projecting portion 362 is provided in a T-shape, and the recessed portion 382 is fitted with the projecting portion 362 of the T-shape; alternatively, as shown in fig. 5, the projection 362 is provided in a line shape, and the recess 382 is engaged with the line-shaped projection 362; the projection 362 may also be provided with an S-shape, with the recess 382 mating with the S-shaped projection 362. Understandably, the protrusion 362 and the recess 382 can be provided in other shapes, which are not limited herein.
As shown in fig. 9 and 10, an embodiment of the present invention further defines:
powder concentrator stator positioner still includes: the auxiliary plate 4 is used for assisting in adjusting the angle between the blade 16 and the first plane 312 when the positioning plate 3 is welded to the blade assembly 1, specifically, the auxiliary plate 4 is placed between the two blades 16, and then the angle between the two blades 16 is adjusted, so that when the two blades 16 are attached to the side surface of the auxiliary plate 4, that is, the distance and the angle between the two blades 16 meet the process requirements. The auxiliary plate 4 is composed of an irregular main plate 42 and an auxiliary plate 44, the main plate 42 and the auxiliary plate 44 are fixed by welding, wherein the main plate 42 is in an irregular plate shape, the main plate 42 comprises a protrusion 421 in a rectangular parallelepiped shape and a main body 422 connected to the protrusion 421, the main body 422 is in a plate shape, as shown in fig. 9, from a front view, the main body 422 comprises a first straight surface 4221, a second straight surface 4222, a third straight surface 4223 and a slant surface 4224, the first straight surface 4221 is parallel to the third straight surface 4223, the second straight surface 4222 is perpendicular to the first straight surface 4221 and the third straight surface 4223, the slant surface 4224 is not perpendicular to the first straight surface 4221, the second straight surface 4222 and the third straight surface 4223, two long side edges 4211 of the protrusion 421 are perpendicular to the first straight surface 4221, and one long side edge 4211 of the lower portion of the protrusion 421 is on an extension line of the second straight surface 4222; as shown in fig. 10, the main body portion 422 and the protruding portion 421 are both rectangular in a left side view. The auxiliary plate 44 has a rectangular parallelepiped plate shape, the auxiliary plate 44 is welded to a side surface of the main plate, two long side surfaces 441 of the auxiliary plate 44 are inclined with respect to the second straight surface 4222, and an angle α between the long side surface 441 of the auxiliary plate 44 on the side facing the protruding portion 421 and the second straight surface 4222 is greater than 0 ° and smaller than 90 °. As shown in fig. 9 and 10, L4 is 20mm, L5 is 10mm, L6 is 90mm, L7 is 80mm, L8 is 105mm, and L9 is 20 mm.
As shown in fig. 1, an embodiment of the present invention further defines:
at least two sets of the positioning devices 30 are arranged at intervals along the axial direction of the blade shaft 12, an interval is formed between two adjacent positioning devices 30, and the positioning plates 3 in the two adjacent positioning devices 30 are arranged in a staggered mode along the axial direction of the blade shaft 12, so that the stability of the assembly for positioning the blades 16 by the positioning members is further improved.
As shown in fig. 1 and 2, a specific embodiment of the present invention further defines:
the number of blade assemblies 1 is 60; each positioning device 30 comprises 15 positioning plates 3, and 4 matching grooves 310 are formed in the inner side surface 32 of each positioning plate 3; wherein, every locating plate 3 and 4 blade subassembly 1 weldings, the circular arc angle of the medial surface 32 of every locating plate 3, lateral surface 34 is 24, and the profile of cooperation groove 310 highly agrees with the surface (the surface of blade axle 12) of blade subassembly 1, is convenient for firm welding. As shown in fig. 1, 2, and 8, the length L3 of the engagement groove 310 is 200 ± 10mm, the engagement groove 310 is used to fix the vane shaft 12, and the length of the engagement groove 310 is determined according to the vane shaft 12. The positioning plates 3 are arranged on two layers of the outer surface of the blade assembly 1, namely two positioning devices 30 which are arranged up and down are formed, when the height of the whole device is 3.6m, the two positioning devices 30 are respectively arranged at an elevation L1(1.2m) and an elevation L2(2.4m) from bottom to top, and the L1 and the L2 are respectively at the heights of 1/3 and 2/3 of the whole device, so that the blades 16 can be prevented from being damaged by abrasion and breakage to the maximum extent; and 4 blade assemblies 1 are welded and fixed on each positioning plate 3, 15 positioning plates 3 are arranged on each layer, 30 positioning plates 3 are arranged on the two layers, and the angle of each blade 16 is determined by the auxiliary plate 4 before the positioning plates 3 are welded. On the premise of using one auxiliary plate 4, the angle of the blade 16 is fixed, and the specific surface area of the finished product micro powder and the like of the blades 16 with different angles can be greatly changed, so that the angle of the blade 16 can be determined by different auxiliary plates 4 according to the requirements of the specific surface areas of different finished product micro powder. Every locating plate 3 crisscross welding from top to bottom has improved a blade subassembly 1's steadiness. The radius R1 of the outer ring of the circular ring formed by the positioning device is 3150mm, and the radius R2 of the inner ring is 3100 mm.
Wherein, the positioning plate 3 is made of NM500 high-strength wear-resistant steel plate and has higher wear resistance.
Present miropowder selection powder machine utilizes to overhaul to carry out stator blade (promptly the utility model discloses a blade subassembly 1) changes and installs selection powder machine stator blade positioner additional, from bottom to top, interval 1200mm increase two-layer locating plate 3 at height 3750mm stator blade, and welding treatment, it is good with 16 angular adjustment of blade before the welding, material NM500, every 4 are connected, weld from top to bottom and stagger. The no-load vibration value of the equipment is 0.5MM/S, and the equipment runs 2.1MM/S in the early stage. The vibration is greatly reduced, the operation rotating speed is 100r/min, and the specific surface area of the obtained product is 420m2/kg~430m2Kg, 350m of national standard GB/T18046-20172/kg~400m2Compared with the product per kg, the product quality is greatly improved. The rotational speed must be 110r/min among the prior art, promptly the utility model discloses satisfied the requirement for quality of finished product miropowder under the condition of reducing the rotational speed, saved energy resource consumption.
The utility model provides a selection powder machine stator positioner only needs to install additional on original selection powder machine equipment structure basis can, its structure is succinct, low in manufacturing cost, and the installation of being convenient for has reduced equipment trouble rate, has improved stator blade's life cycle, has improved product quality.
The utility model has the advantages as follows: the phenomenon of blade shaft 12 fracture has been stopped, the vibration when having reduced equipment operation has improved equipment operating stability, has reduced the operating current, realizes energy saving and consumption reduction, and helps prolonging equipment life.
In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A powder concentrator stator positioner, its characterized in that includes:
the cross section of the positioning device is annular, and the inner surface of the positioning device is connected with the outer surface of the stator and positions the stator; the positioning device is formed by sequentially connecting a plurality of positioning plates end to end, and the cross section of each positioning plate is a sector ring.
2. The powder concentrator stator positioning device of claim 1,
the stator comprises a plurality of blade assemblies, each blade assembly specifically comprises a blade shaft, a blade connecting plate and a blade, and the blade shaft is connected with the blade through the blade connecting plate;
the inner side surface of the positioning plate is provided with a matching groove matched with the blade assembly;
the axis of the blade shaft is perpendicular to the upper surface of the positioning plate, and the blade shaft extends into the matching groove and is fixedly connected through welding.
3. The powder concentrator stator positioning device of claim 2,
the inner side surface of each positioning plate is provided with a plurality of matching grooves, each matching groove is composed of a first plane, an arc surface and a second plane which are sequentially connected, the circle centers of every two arc surfaces at the same horizontal position are connected to form a first circle, the distance between the circle centers of any two adjacent arc surfaces is equal, and the circle centers of the first circle, the inner surface of the positioning device and the outer surface of the positioning device at the same horizontal position are concentric.
4. A positioning device for the stator of a powder concentrator as claimed in claim 3,
two ends of the arc surface are respectively tangent to the first plane and the second plane, and the second plane and the first plane form a first preset included angle;
the blade subassembly that links to each other wantonly with in the cooperation groove, the blade with it predetermines the contained angle to be the second between the first plane.
5. The powder concentrator stator positioning device of claim 4, further comprising:
and the auxiliary plate is used for assisting in adjusting the angle between the blade and the first plane when the positioning plate is welded to the blade assembly.
6. The powder concentrator stator positioning device of claim 1,
the first end of locating plate is equipped with the bulge, the second end of locating plate is equipped with the depressed part, arbitrary adjacent two in the locating plate, one the bulge of locating plate stretches into another realize fixed connection through the welding behind the depressed part of locating plate.
7. The powder concentrator stator positioning device of claim 2,
the blade connecting plate is detachably connected with the blade;
the thickness range of the positioning plate is 10 mm-12 mm.
8. The powder concentrator stator positioning device of claim 2,
at least two groups of positioning devices are arranged at intervals along the length direction of the blade assembly;
the positioning plates in two adjacent positioning devices are arranged in a staggered mode along the length direction of the blade assembly.
9. The powder concentrator stator positioning device of claim 2,
the number of the blade assemblies is 60;
each positioning device comprises 15 positioning plates, and each positioning plate is provided with four matching grooves;
each positioning plate is welded with 4 blade assemblies, and the matching grooves are matched with the outer surfaces of the blade shafts.
CN202022113414.9U 2020-09-23 2020-09-23 Stator positioning device of powder concentrator Active CN213591098U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022113414.9U CN213591098U (en) 2020-09-23 2020-09-23 Stator positioning device of powder concentrator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022113414.9U CN213591098U (en) 2020-09-23 2020-09-23 Stator positioning device of powder concentrator

Publications (1)

Publication Number Publication Date
CN213591098U true CN213591098U (en) 2021-07-02

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Application Number Title Priority Date Filing Date
CN202022113414.9U Active CN213591098U (en) 2020-09-23 2020-09-23 Stator positioning device of powder concentrator

Country Status (1)

Country Link
CN (1) CN213591098U (en)

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