CN213221829U - Stirring vane subassembly and mixing apparatus - Google Patents

Abstract

The utility model discloses a stirring blade component and mixing equipment, wherein the stirring blade component comprises a rotating shaft and at least three stirring paddles, and the rotating shaft is provided with a first shaft end and a second shaft end which are arranged oppositely; the stirring rake is in arrange in proper order, each on the axis direction of pivot the stirring rake including connect in two at least rotating vane of pivot circumference, each the two of stirring rake rotating vane with the pivot sets up for the benchmark symmetry, and three stirring rake is respectively for turning on stirring rake, mixing stirring rake and vortex stirring rake, it is close to turn on the stirring rake the primary shaft end sets up, the vortex stirring rake is close to the secondary shaft end sets up. The utility model discloses technical scheme's stirring vane subassembly breaks up effectually and guarantees control material granularity.

Description

Stirring vane subassembly and mixing apparatus

Technical Field

The utility model relates to a blender technical field, in particular to stirring vane subassembly and mixing apparatus.

Background

The high-speed mixer is mainly applied to mixing and scattering of powder and granular materials, the materials are uniformly dispersed by utilizing high-speed rotation of the blades, and meanwhile, collision caused by the high-speed rotation has a strong scattering effect on the materials. At present, the lithium ion battery material powder process needs to adjust the proper particle size through scattering, and the scattering is generally carried out through a high-speed mixer. However, the existing high-speed mixer has a single blade design, so that the scattering effect is poor when mixing and scattering are carried out, the granularity of a finished material product cannot be controlled to be qualified, and the product yield is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stirring vane subassembly aims at solving the single material granularity uncontrollable's that leads to mixing to break up technical problem of blade design.

In order to achieve the above object, the stirring blade assembly provided by the present invention comprises a rotating shaft, wherein the rotating shaft has a first shaft end and a second shaft end which are oppositely arranged;

the stirring device comprises at least three stirring paddles, wherein the three stirring paddles are sequentially arranged at intervals in the axis direction of the rotating shaft, each stirring paddle comprises at least two rotating blades connected to the circumferential direction of the rotating shaft, the two rotating blades of each stirring paddle are symmetrically arranged by taking the rotating shaft as a reference, the three stirring paddles are respectively an upturning stirring paddle, a mixing stirring paddle and a turbulent stirring paddle, the upturning stirring paddle is arranged close to the first shaft end, and the turbulent stirring paddle is arranged close to the second shaft end; the surface of the rotating blade of the upturning stirring paddle and the included angle of the cross section of the rotating shaft are arranged at acute angles, and the extending direction of each rotating blade of the turbulent stirring paddle and the axis direction of the rotating shaft are arranged at acute angles.

In an alternative embodiment, the extending direction of the root part to the free end of each rotating blade of the upturning stirring paddle is perpendicular to the axial direction of the rotating shaft.

In an alternative embodiment, the end part of each rotating blade of the upturning stirring paddle, which is far away from the rotating shaft, is bent and extended to form a material lifting part.

In an optional embodiment, the rotating blade of the turbulent stirring paddle is far away from the rotating shaft from the first shaft end to the second shaft end.

In an optional embodiment, the included angle between the surface of the rotating blade of the upturning stirring paddle and the cross section of the rotating shaft ranges from 10 degrees to 30 degrees; and/or the presence of a gas in the gas,

the extension direction of the rotating blade of the turbulent flow stirring paddle and the axial direction of the rotating shaft form an included angle of 60-80 degrees.

In an optional embodiment, in the direction of first axle head to second axle head, mix the stirring rake and be first mixed stirring rake, second mixed stirring rake and third mixed stirring rake in proper order, each rotating blade of first mixed stirring rake includes first section and second section, the perpendicular to is followed to the first section the axis direction of pivot extends, the second section by the first section is kept away from the tip of pivot is to keeping away from the direction of first axle head is buckled and is extended the setting.

In an alternative embodiment, each of the rotating blades of the second mixing paddle extends in a direction perpendicular to the axis of the rotating shaft, and the surface thereof is perpendicular to the axis of the rotating shaft.

In an alternative embodiment, the third mixing paddle further includes a rotating ring, an inner periphery of the rotating ring is connected to a periphery of the rotating shaft, and the two rotating blades of the third mixing paddle are connected to an outer periphery of the rotating ring.

In an optional embodiment, each of the stirring paddles further includes a shaft sleeve, the shaft sleeve is sleeved and fixed on the rotating shaft, and the two rotating blades of each of the stirring paddles are uniformly arranged on the periphery of the shaft sleeve; and/or the presence of a gas in the gas,

stirring vane subassembly still includes locking shaft cap and a plurality of spacer sleeve, per two press from both sides between the stirring rake and be equipped with one the spacer sleeve, the locking shaft cap is fixed in the second axle end of pivot, and butt the spacer sleeve deviates from the surface of the axle sleeve of vortex stirring rake.

The utility model also provides a mixing apparatus, mixing apparatus includes motor and stirring vane subassembly, the first axle head of pivot with the motor is connected, stirring vane subassembly is above-mentioned arbitrary stirring vane subassembly.

The utility model discloses technical scheme's stirring vane subassembly is through setting up at least three stirring rake in the pivot, and each stirring rake has included two symmetric distribution in the circumferential rotating vane of pivot to increased the probability of mixing the stirring material, improved and broken up the effect. Meanwhile, the three stirring paddles are respectively an upturning stirring paddle, a mixing stirring paddle and a turbulent stirring paddle, the upturning stirring paddle is positioned at the first shaft end, and materials can be turned up from the bottom in the high-speed rotation process, so that the bottom is prevented from being dead; the mixing and stirring paddle is positioned in the middle, so that friction impact force can be provided for materials rotating in parallel, and the effect of mixing and stirring is achieved; and the vortex of the material that is located the second axle end can be broken up to the material vortex of throwing, and then makes the material comparatively concentrated get back to the middle part and break up regional to increase the mixed probability to the material, make this stirring vane subassembly's mixed effectual. In addition, the surface of the rotating blade of the upturning stirring paddle is arranged at an acute angle with the cross section of the rotating shaft, the rotating shaft is arranged in the operation process, the rotating blade of the upturning stirring paddle deflects downwards by a certain angle relative to the horizontal plane and is arranged obliquely, so that one side of the upturning blade can be attached to the bottom of the mixed material cavity more, the material can be shoveled, and the material is enabled to overturn upwards from the middle to the outside and from the bottom under the action of high-speed rotating centrifugal force, the upturning effect is effectively improved, and the mixing probability is increased. And the extending direction of the rotating blade of the turbulence stirring paddle and the included angle of the axis direction of the rotating shaft are arranged in acute angles, so that the material flowing along the vortex cutting line is blocked or scattered, the material rising along the vortex cutting line falls back to the middle position of the rotating shaft to be mixed, and the material vortex is prevented from rotating too high and cannot be scattered and mixed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of a stirring blade assembly according to the present invention;

FIG. 2 is a front view of the stirring blade assembly shown in FIG. 1;

FIG. 3 is a left side view of the stirring blade assembly shown in FIG. 1;

FIG. 4 is a schematic structural view of an upturning paddle of the agitating blade assembly shown in FIG. 1;

FIG. 5 is a schematic structural view of a turbulator paddle of the agitating blade assembly shown in FIG. 1;

FIG. 6 is a schematic structural view of a first mixing paddle of the mixing blade assembly shown in FIG. 1;

FIG. 7 is a schematic structural view of a second mixing paddle of the mixing blade assembly shown in FIG. 1;

fig. 8 is a schematic structural view of a third mixing paddle in the mixing blade assembly shown in fig. 1.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Stirring blade assembly	33a	First mixing and stirring paddle
10	Rotating shaft	331a	First stage
				11	First shaft end	333a	Second section
13	Second shaft end	33b	Second mixing and stirring paddle
				30a	Rotating blade	33c	Third mixing and stirring paddle
30b	Shaft sleeve		331c					Rotating ring
				31	Upturning stirring paddle	35	Turbulent stirring paddle
311	Lifting part	50	Locking shaft cover
				33	Mixing and stirring paddle	70	Spacing sleeve

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. 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 addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a stirring vane subassembly 100 for the mixing material.

Referring to fig. 1, fig. 2 and fig. 4, the stirring blade assembly 100 of the present invention includes:

a rotating shaft 10, wherein the rotating shaft 10 is provided with a first shaft end 11 and a second shaft end 13 which are oppositely arranged;

the stirring device comprises at least three stirring paddles, wherein the three stirring paddles are sequentially arranged in the axis direction of the rotating shaft 10, each stirring paddle comprises at least two rotating blades 30a connected to the circumferential direction of the rotating shaft 10, the two rotating blades 30a of each stirring paddle are symmetrically arranged by taking the rotating shaft 10 as a reference, the three stirring paddles are respectively an upturning stirring paddle 31, a mixing stirring paddle 33 and a turbulent stirring paddle 35, the upturning stirring paddle 31 is arranged close to the first shaft end 11, and the turbulent stirring paddle 35 is arranged close to the second shaft end 13; the surface of the rotating blade 30a of the upturning stirring paddle 31 and the cross section of the rotating shaft 10 form an acute angle; the extending direction of each rotating blade 30a of the turbulent stirring paddle 35 and the included angle beta of the axial direction of the rotating shaft 10 are arranged in an acute angle.

In this embodiment, the rotating shaft 10 of the stirring blade assembly 100 is driven by a motor to rotate at a high speed, and drives the stirring paddle connected to the periphery of the rotating shaft to rotate, so as to stir and mix the material through the rotating blade 30 a. Here, stirring vane subassembly 100's pivot 10 is vertical state in rotating the course of the work, and the first axle end 11 that here set up pivot 10 is the bottom, and second axle end 13 is the top, and the stirring rake 31 that turns up is close to first axle end 11 to the realization is to the stirring of bottom material, and vortex stirring rake 35 is close to second axle end 13 and sets up, thereby cuts the disturbance to the material vortex of raising. Two rotating blades 30a of each stirring paddle are connected to the circumference of the rotating shaft 10, and the rotating blades 30a can be directly formed integrally with the rotating shaft 10 and can also be fixedly connected in a detachable connection mode. The two rotating blades 30a are symmetrically arranged by taking the central line of the rotating shaft 10 as a reference, so that the mass center of gravity of the stirring blade assembly 100 can fall to the center of the rotating shaft 10, the abrasion caused by asymmetry is prevented from being serious, and the stirring stability and the service performance of the stirring blade assembly 100 are improved. The rotating vane 30a of each stirring paddle is made of stainless steel, the structural strength is high, a tungsten carbide coating can be coated on the surface of the rotating vane 30a, the wear resistance of the rotating vane 30a can be effectively improved, and the service life of the rotating vane 30a is prolonged.

And the surface of the rotating blade 30a of the upturning stirring paddle 31 and the included angle alpha of the cross section of the rotating shaft 10 are arranged in an acute angle, namely the surface of the rotating blade 30a deflects by a certain angle alpha from the position parallel to the cross section of the rotating shaft 10 to the direction of the first shaft end 11, so that the rotating shaft 10 is in the operation process, the rotating blade 30a deflects downwards by a certain angle and is obliquely arranged relative to the horizontal plane, one side of the upturning blade can be more attached to the bottom of the mixed material cavity, the material can be shoveled, and the material is overturned from the middle to the outer side and from the bottom to the top to form a vortex under the action of the centrifugal force of high-speed rotation, thereby effectively improving the. Meanwhile, the extension direction of each rotating blade 30a of the turbulent stirring paddle 35 and the included angle β of the axial direction of the rotating shaft 10 are arranged in an acute angle, so that the materials flowing along the vortex cutting line are blocked or scattered, the materials rising along the vortex cutting line fall back to the middle position of the rotating shaft 10 to be mixed, and the materials are prevented from being scattered and mixed due to overhigh vortex rotation.

In addition, the number of paddles for turning up, or the number of paddles for turbulent flow, or the number of paddles for mixing may be increased in the stirring blade assembly 100, which is not limited herein.

The utility model discloses technical scheme's stirring vane subassembly 100 is through setting up at least three stirring rake in pivot 10, and each stirring rake has included two symmetric distribution in pivot 10 circumferential rotating vane 30a to increased the probability of mixing the stirring material, improved and broken up the effect. Meanwhile, the three stirring paddles are respectively an upturning stirring paddle 31, a mixing stirring paddle 33 and a turbulent stirring paddle 35, the upturning stirring paddle 31 is positioned at the first shaft end 11, materials can be upturned from the bottom in the high-speed rotation process, the bottom is prevented from being dead, and the mixing stirring paddle 33 is positioned in the middle, so that friction impact force can be provided for the materials rotating in parallel, and the effect of mixing and stirring is achieved; and the vortex flow stirring paddle 35 located at the second shaft end 13 can break up the thrown material vortex flow, so that the material returns to the middle part in a concentrated manner and breaks up the area, and the mixing effect of the stirring blade assembly 100 is good.

Referring to fig. 2 and 3, in an alternative embodiment, the extending direction of the root to the free end of each rotating blade 30a of the turning-up paddle 31 is perpendicular to the axial direction of the rotating shaft 10.

In this embodiment, the upturning stirring paddle 31 comprises two rotating blades 30a, the two rotating blades 30a are arranged in a central symmetry manner by taking the center of the rotating shaft 10 as a reference, the part of each rotating blade 30a connected with the rotating shaft 10 is a root, the end part far away from the rotating shaft 10 is a free end, the extending direction from the root to the free end is perpendicular to the axial direction of the rotating shaft 10 and is approximately in a long strip shape, and meanwhile, the surface of the rotating blade 30a and the cross section of the rotating shaft 10 are arranged in an acute angle, so that the upturning effect is effectively improved. Certainly, in order to further improve the shoveling effect, one side of the rotating blade 30a of the upturning stirring paddle 31, which is close to the first shaft end 11, is edged, that is, the thickness of the rotating blade 30a on the side is thinner, so that the rotating blade 30a is in a shovel blade shape, thereby more conveniently scraping the bottom material, further preventing the bottom dead material from appearing, and also playing a better stirring and scattering role.

Specifically, the included angle α between the surface of the rotating blade 30a of the upturning stirring paddle 31 and the cross section of the rotating shaft 10 ranges from 10 ° to 30 °. It can be understood that the included angle α between the surface of the rotating blade 30a of the upturning stirring paddle 31 and the cross section of the rotating shaft 10 is not too small, otherwise the bottom material is easy to leak, and certainly, the included angle α is not too large, otherwise the resistance to shoveling the material is easy to increase, so the included angle α is set to be 10 ° to 30 °, for example, 15 °, 20 ° or 25 °, and the included angle α is set to be 20 ° in a preferred embodiment, and the upturning effect is good.

Referring to fig. 4, further, in order to facilitate the rotation, the transverse width of the rotating blade 30a of the turn-up paddle 31 is gradually decreased from the rotating shaft 10 to a direction away from the rotating shaft 10, so that the stability of the connection with the rotating shaft 10 can be increased. Meanwhile, in order to increase the contact area between the end part of the rotating blade 30a of the upturning stirring paddle 31 far away from the rotating shaft 10 and the material, the end part is vertically bent to form a material lifting part 311, and the material lifting part 311 can support the material scraped at the edging side so as to be more easily thrown up, so that the scraped material is prevented from falling back to the bottom, and the upturning effect is improved; in order to have a good upturning effect, the length of the material lifting part 311 is set to be 130 mm-140 mm. The total length of the two rotary blades 30a provided with the turn-up stirring paddle 31 is 1461.44mm, and the thickness of each rotary blade 30a is 20 mm.

Referring to fig. 2 and fig. 3, in an alternative embodiment, the rotating blade 30a of the spoiler blade 35 is far away from the rotating shaft 10 from the first shaft end 11 to the second shaft end 13.

In this embodiment, the turbulent stirring paddle 35 also includes two rotating blades 30a, the two rotating blades 30a are symmetrically distributed on the periphery of the rotating shaft 10, an included angle β between the extending direction of the rotating blades 30a and the axial direction of the rotating shaft 10 is an acute angle, and the rotating blades 30a of the turbulent stirring paddle 35 are away from the rotating shaft 10 in the direction from the first shaft end 11 to the second shaft end 13, that is, when the rotating shaft 10 is in the operating state, the rotating blades 30a extend toward the upper side, the rotating blades 30a are also substantially in a strip shape, and the width of the rotating blades 30a gradually decreases along with the direction away from the rotating shaft 10, so as to block or scatter the material flowing along the vortex flow, so that the material rising along the vortex flow falls back to the middle position of the rotating shaft 10 to be mixed, and avoid the material vortex flow from rotating too high to be scattered and mixed.

Please refer to fig. 5, of course, one side of the width direction of the rotating blade 30a of the turbulent stirring paddle 35 can be edged, so as to increase the functions of scattering and cutting the material, thereby being beneficial to controlling the particle size of the material and improving the scattering effect. The length of the rotating blade 30a can be set to 668.94mm, the maximum width is 189mm, the length of the rotating blade 30a is the distance from the connecting root of the rotating blade 30a to the free end, the shape of the blade can be approximate to a right triangle, the smallest angle in the triangle is the included angle gamma 1 formed by the free end, the included angle gamma 1 ranges from 5 degrees to 15 degrees, preferably 9.13 degrees, the free end of the smallest angle is chamfered, namely, an arc end is formed, the radius R1 of the arc end can be set according to the actual material granularity, the radius R1 of the optional arc end ranges from 20mm to 60mm, and the preferred radius is 44 mm.

Referring to fig. 2 again, it can be understood that the included angle β between the extending direction of the rotating blade 30a of the turbulent stirring paddle 35 and the axial direction of the rotating shaft 10 is not too small, otherwise, the turbulent stirring function is not performed, and of course, the included angle β is not too large, otherwise, the cutting function is not performed, and the material pressing function is not performed downward. In an optional embodiment, an included angle β between the extending direction of the rotating blade 30a of the turbulent stirring paddle 35 and the axial direction of the rotating shaft 10 is 60 ° to 80 °, at this time, the included angle between the extending direction of the rotating blade 30a and the horizontal plane is 10 ° to 30 °, the included angle between the extending directions of the two rotating blades 30a is 120 ° to 140 °, for example, the included angle β may be 65 °, 70 ° or 75 °, and when the included angle β is 70 °, the included angle between the extending directions of the two symmetrically arranged rotating blades 30a is 140 °, and the turbulent effect of the rotating blade 30a is the best.

Referring to fig. 1 to 3 and fig. 6, in an alternative embodiment, three mixing paddles 33 are provided, the three mixing paddles 33 are sequentially arranged in the axial direction of the rotating shaft 10 and are located between the upturning paddle 31 and the turbulent paddle 35, and the mixing paddles 33 are sequentially a first mixing paddle 33a, a second mixing paddle 33b and a third mixing paddle 33c in the direction from the first shaft end 11 to the second shaft end 13. Each rotating blade 30a of the first mixing paddle 33a includes a first section 331a and a second section 333a, the first section 331a extends along a direction perpendicular to the axis of the rotating shaft 10, and the second section 333a is bent and extended from the end of the first section 331a far away from the rotating shaft 10 to a direction far away from the first shaft end 11.

In this embodiment, in order to transit and transfer with upturning paddle 31 and vortex paddle 35, three mixing paddles 33 are provided, and first mixing paddle 33a, second mixing paddle 33b and third mixing paddle 33c are arranged in the direction from first shaft end 11 to second shaft end 13, that is, from bottom to top, so that the probability of scattering materials is increased, the particle size of the materials is effectively guaranteed, and the scattering effect is improved.

The first mixing paddle 33a is arranged between the upturning paddle 31 and the second mixing paddle 33b and is used for connecting materials between the upturning paddle 31 and the second mixing paddle 33b, the first mixing paddle 33a also comprises two rotating blades 30a, the two rotating blades 30a are symmetrically arranged in the circumferential direction of the rotating shaft 10, each rotating blade 30a comprises a first section 331a extending in the direction perpendicular to the axis of the rotating shaft 10, the first section 331a can cut and scatter the upturning materials, the first mixing paddle further comprises a second section 333a arranged at an angle with the first section 331a, the second section 333a extends from the tail end of the first section 331a in a bending direction deviating from the first shaft end 11, namely when the rotating shaft 10 is in a working state, the second section 333a bends towards the obliquely upward direction, the materials shoveled by the rotating blades 30a of the upturning paddle 31 can be further thrown upward and sent to the middle part of the rotating shaft 10 in the length direction, and set up at one side edging of rotating vane 30a, for the material provides friction and impact, improve and break up the effect. In addition, in order to further increase the lifting force of the rotating blade 30a of the first mixing paddle 33a, the surface of the second section 333a is arranged to be tilted with respect to the surface of the first section 331a, i.e., is arranged to be twisted in the circumferential direction along the extending direction of the first section 331a, and is shaped like a horn, thereby further increasing the lifting action of the material.

Specifically, in this embodiment, the two rotary blades 30a are provided to have a total length of 1520mm, and the first section 331a has a length of 417 mm; optionally, the angle θ of the upward bending of the second section 333a is 5 ° to 30 °, that is, the included angle between the second section 333a and the horizontal plane, for example, the bending angle θ is selected to be 10 °, 20 ° or 30 °, and in a preferred embodiment, the bending angle θ is selected to be 15 °, which can achieve a better lifting and scattering effect.

Referring to fig. 2 and 7, in an alternative embodiment, each rotating blade 30a of the second mixing paddle 33b extends along a direction perpendicular to the axis of the rotating shaft 10, and the surface thereof is perpendicular to the axis of the rotating shaft 10.

In this embodiment, the second mixing paddle 33b also includes two rotating blades 30a, each rotating blade 30a extends along the direction perpendicular to the axis of the rotating shaft 10, and the surface of the rotating blade is perpendicular to the axis of the rotating shaft 10, i.e. the rotating blade 30a mainly depends on the side edge to cut and break up the material during the high rotation process, thereby improving the uniformity of the material particle size. Here, the shape of the rotating blade 30a of the second mixing paddle 33b may be a right triangle, and the length of each rotating blade 30a is 750mm, and the maximum width is 210mm, so that a larger stirring radius is formed, and the mixing and scattering effect on the material is improved. An angle γ 2 formed at a free end of the right triangle is a minimum angle, the minimum angle γ 2 is in a range of 5 ° to 15 °, preferably 9.13 °, and a free end of the rotary blade 30a is chamfered to form a circular arc end having a radius in a range of 20mm to 60mm, preferably, a circular arc radius R2 formed at the free end is set to 45 mm.

Referring to fig. 1 and 8, in an alternative embodiment, the third mixing paddle 33c further includes a rotating ring 331c, an inner periphery of the rotating ring 331c is connected to a periphery of the spindle 10, and two rotating blades 30a of the third mixing paddle 33c are connected to an outer periphery of the rotating ring 331 c.

In this embodiment, the third mixing paddle 33c is disposed between the second mixing paddle 33b and the turbulent paddle 35 for connecting the materials therebetween, the third mixing paddle 33c includes a rotating ring 331c, the rotating ring 331c may be circular, but may also be square or polygonal, the inner peripheral edge of the rotating ring 331c is connected to the periphery of the rotating shaft 10 through ribs, and the two rotating blades 30a are connected to the outer peripheral edge of the rotating ring 331c, at this time, a material falling channel is formed between every two ribs and the inner peripheral edge of the rotating ring 331c, so as to provide a passage for the eddy materials scattered by the turbulent paddle 35 to fall back to the middle and the bottom, so that the materials are scattered and mixed by the rotating blades 30a of the second mixing paddle 33b, or scattered by the rotating blades 30a of the upturning paddle 31 to rotate upward, thereby effectively ensuring the material backflow from top to bottom, so that the scattering effect is good and the granularity of the material is more uniform. Here, the two rotating blades 30a are disposed at the periphery of the rotating ring 331c in a clockwise inclined manner, thereby increasing the cutting and scattering probability of the material during the rotating fall-back process. Specifically, in this embodiment, the outer diameter of the circular wheel is 850mm, the inner diameter is 670mm, and the outer diameter of the rotating blade 30a is 1540mm, so that a suitable fall-back passage can be provided for the length of the rotating blade 30a of the turbulent stirring paddle 35, and the obstruction to the material is reduced.

Of course, in other embodiments, only one or two mixing paddles 33 may be provided, and when one mixing paddle 33 is provided, the mixing paddle 33 is the second mixing paddle 33 b.

Referring to fig. 1 again, in an alternative embodiment, each of the stirring paddles further includes a shaft sleeve 30b, the shaft sleeve 30b is sleeved and fixed on the rotating shaft 10, and the two rotating blades 30a of each of the stirring paddles are uniformly arranged on the periphery of the shaft sleeve 30 b; and/or the presence of a gas in the gas,

stirring vane subassembly 100 still includes locking shaft cover 50 and a plurality of spacer 70, per two it is equipped with one to press from both sides between the stirring rake spacer 70, locking shaft cover 50 is fixed in the second axle end 13 of pivot 10 to the butt spacer 70 deviates from the surface of the axle sleeve 30b of vortex stirring rake 35.

In this embodiment, in order to facilitate disassembly and maintenance, a split structure is arranged between the rotating blade 30a and the rotating shaft 10, and in order to improve the connection strength between the rotating blade 30a and the rotating shaft 10, each stirring paddle further includes a shaft sleeve 30b, the shaft sleeve 30b is sleeved on the rotating shaft 10, and the shaft sleeve 30b and the rotating shaft 10 can be fixedly connected, the two rotating blades 30a are uniformly connected to the periphery of the shaft sleeve 30b, the shaft sleeve 30b and the rotating blades 30a are integrally formed, so that the structural strength and the stability of each stirring paddle can be remarkably improved, the shearing force for connecting the rotating blades 30a and the rotating shaft 10 is changed into a stable connection relationship between the shaft sleeve 30b and the rotating shaft 10, and the phenomenon that the rotating blades fall off cannot occur in the rotating process is ensured. The height and the outer diameter of the shaft sleeve 30b corresponding to each stirring paddle can be different, and are set according to actual needs, for example, the surface of the rotating blade 30a of the upturning stirring paddle 31 needs to be inclined by a certain angle relative to the horizontal plane, so that the height of the shaft sleeve 30b needs to be higher, and the stable connection of the rotating blade 30a can be ensured; the surface of the rotary blade 30a of the second mixing paddle 33b is parallel to the horizontal plane, so that the height of the integrally formed shaft sleeve 30b can be set small and is equivalent to the thickness of the rotary blade 30 a.

Specifically, the shaft sleeve 30b is connected with the rotating shaft 10 through the matching of the key groove and the key, the shaft sleeve 30b is cylindrical, the inner diameter of the shaft sleeve is 110mm, the shaft sleeve is matched with the diameter of the rotating shaft 10, the outer diameter of the shaft sleeve is 155mm, the key groove is formed in the inner periphery of the shaft sleeve, the depth of the key groove is 10mm, the width of the key groove is 28mm, correspondingly, the corresponding connecting key is convexly arranged on the periphery of the rotating shaft 10, and the connecting key is clamped in the key groove to be connected and fixed.

It can be understood that, in order to maintain the vertical spacing between every two stirring paddles, the stirring blade assembly 100 further comprises a plurality of spacing sleeves 70, and a spacing sleeve 70 is clamped between every two stirring paddles, so that the spacing between every two stirring paddles is equal, and the scattered materials are more uniform. Of course, the spacer 70 and the rotating shaft 10 can be connected by a key way and a connecting key. Meanwhile, in order to ensure the connection stability between the rotating shaft 10 and the stirring paddles, the stirring blade assembly 100 further includes a locking shaft cover 50, the locking shaft cover 50 is disposed at the second shaft end 13, and can be connected to the second shaft end 13 through threads, and abut against the upper surface of the shaft sleeve 30b on the upper side of the turbulent stirring paddle 35, so that the connection structure between each stirring paddle is more stable. Specifically, the locking shaft cover 50 may be set to have a length of 55mm, a cylindrical shape with an open end, an outer diameter of 155mm, an inner diameter of the internal locking screw thread mouth of 55mm, a diameter corresponding to that of the rotating shaft 10, and a corresponding thread.

The utility model also provides a mixing apparatus (not shown), mixing apparatus includes motor and stirring vane subassembly 100, the first axle end 11 of pivot 10 with the motor is connected, stirring vane subassembly 100's concrete structure refers to above-mentioned embodiment. Because the utility model discloses mixing apparatus's stirring vane subassembly 100 includes all technical scheme of above-mentioned all embodiments, consequently has the beneficial effect that the technical scheme of above-mentioned embodiment brought at least, no longer explains herein.

The first shaft end 11 and the motor may be connected by a coupling, or may be connected by other methods. Stirring vane subassembly 100 in the mixing apparatus of this embodiment is through increasing the number of scattering the blade, has increased the variety of blade simultaneously, has improved the effect of scattering, has solved the problem that high-speed mixer can not control the material granularity, promotes production efficiency.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. An agitating blade assembly for mixing materials, the agitating blade assembly comprising:

the rotating shaft is provided with a first shaft end and a second shaft end which are oppositely arranged; and

the stirring device comprises at least three stirring paddles, wherein the three stirring paddles are sequentially arranged at intervals in the axis direction of the rotating shaft, each stirring paddle comprises at least two rotating blades connected to the circumferential direction of the rotating shaft, the two rotating blades of each stirring paddle are symmetrically arranged by taking the rotating shaft as a reference, the three stirring paddles are respectively an upturning stirring paddle, a mixing stirring paddle and a turbulent stirring paddle, the upturning stirring paddle is arranged close to the first shaft end, and the turbulent stirring paddle is arranged close to the second shaft end;

the surface of the rotating blade of the upturning stirring paddle and the cross section of the rotating shaft form an acute angle;

the extending direction of each rotating blade of the turbulent flow stirring paddle and the axis direction of the rotating shaft are arranged in an acute angle.

2. The stirring blade assembly as claimed in claim 1, wherein the root-to-free end of each rotating blade of the turning-up stirring paddle extends in a direction perpendicular to the axial direction of the rotating shaft.

3. The stirring blade assembly as recited in claim 2, wherein each rotating blade of the upturning stirring paddle is bent and extended at the end far away from the rotating shaft to form a material lifting part.

4. The stirring blade assembly of claim 1, wherein the rotating blade of the turbulator paddle is distal from the axis of rotation in a direction from the first axial end to the second axial end.

5. The stirring blade assembly of claim 4, wherein the included angle between the surface of the rotating blade of the upturning stirring paddle and the cross section of the rotating shaft is in the range of 10 degrees to 30 degrees; and/or the presence of a gas in the gas,

the extension direction of the rotating blade of the turbulent flow stirring paddle and the axial direction of the rotating shaft form an included angle of 60-80 degrees.

6. The stirring blade assembly of any one of claims 1 to 5, wherein there are three mixing paddles, three mixing paddles are arranged in the axial direction of the rotating shaft in sequence and are located between the upturning paddle and the turbulent stirring paddle, the direction from the first shaft end to the second shaft end is up, the mixing paddles are first mixing paddles, second mixing paddles and third mixing paddles in sequence, each rotating blade of the first mixing paddles comprises a first section and a second section, the first section is perpendicular to the axial direction of the rotating shaft to extend, and the second section is formed by bending and extending the end part of the rotating shaft away from the first shaft end in the direction.

7. The mixing blade assembly of claim 6, wherein each rotating blade of said second mixing paddle extends in a direction perpendicular to the axis of said shaft and has a surface perpendicular to the axis of said shaft.

8. The mixing blade assembly of claim 6, wherein said third mixing paddle comprises a rotating ring, an inner periphery of said rotating ring being attached to a periphery of said shaft, and wherein said rotating blades of said third mixing paddle are attached to an outer periphery of said rotating ring.

9. The stirring blade assembly of claim 1, wherein each stirring paddle further comprises a shaft sleeve, the shaft sleeve is sleeved and fixed on the rotating shaft, and the two rotating blades of each stirring paddle are uniformly arranged on the periphery of the shaft sleeve; and/or the presence of a gas in the gas,

stirring vane subassembly still includes locking shaft cap and a plurality of spacer sleeve, per two press from both sides between the stirring rake and be equipped with one the spacer sleeve, the locking shaft cap is fixed in the second axle end of pivot, and the butt the spacer sleeve deviates from the surface of vortex stirring rake.

10. A mixing apparatus, characterized in that the mixing apparatus comprises a motor and a stirring blade assembly, the stirring blade assembly is according to any one of claims 1-9, the first shaft end of the rotating shaft of the stirring blade assembly is connected with the motor.

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