CN107638914A - It is a kind of to be dispersed with stirring device for wet grinding fine particle - Google Patents
It is a kind of to be dispersed with stirring device for wet grinding fine particle Download PDFInfo
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- CN107638914A CN107638914A CN201711044143.2A CN201711044143A CN107638914A CN 107638914 A CN107638914 A CN 107638914A CN 201711044143 A CN201711044143 A CN 201711044143A CN 107638914 A CN107638914 A CN 107638914A
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- wheel hub
- face
- dispersed
- fine particle
- stirring device
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- 238000003756 stirring Methods 0.000 title claims abstract description 46
- 238000001238 wet grinding Methods 0.000 title claims abstract description 18
- 239000010419 fine particle Substances 0.000 title claims abstract description 16
- 230000002093 peripheral effect Effects 0.000 claims abstract description 19
- 238000009826 distribution Methods 0.000 claims description 5
- 238000000227 grinding Methods 0.000 abstract description 53
- 239000002002 slurry Substances 0.000 abstract description 27
- 238000010276 construction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 8
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- 239000000463 material Substances 0.000 description 4
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
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- Crushing And Grinding (AREA)
Abstract
The invention discloses a kind of device is dispersed with stirring for wet grinding fine particle.The invention mainly comprises the wheel hub of ring-type and the axle sleeve for passing through key connection with main shaft；Wheel hub inner peripheral surface and both sides end face are connected by straight rib and diagonal rib bar with axle sleeve outer wall respectively, and wheel hub inner peripheral surface is tapered slope；The both sides end face of wheel hub is symmetrical inclined-plane, and some inclined-plane teeth are inlaid with thereon；The outer peripheral face of wheel hub is made up of arc surface and straight end surfaces, and some rectangular openings are disposed with the arc surface in hub periphery face.The present invention is simple in construction, practical, quickly grinding can be achieved efficiently so that slurry is more fully disperseed inside medium stirring mill machine, so as to obtain the product of better quality.
Description
Technical field
The invention belongs to powder grinding refinement field, especially ultra-fine wet grinding field of dispersions, and in particular to Yi Zhongyong
Device is dispersed with stirring in wet grinding fine particle.
Background technology
With the rapid development of economy, the exploitation and use of superfine powdery material are increasingly paid attention to by countries in the world, and it is right
Also increasingly pay attention in equipment prepared by superfine powder.At present, in lithium battery, coating, ink, medicine, nonmetallic mineral, fine
Medium stirring mill owner used in the fields such as ceramics will have disc type medium stirring mill machine and rod pin medium stirring mill machine.Wherein
The operation principle of disc type medium stirring mill machine is：A number of abrasive media is added in the grinding chamber of medium stirring mill machine
Ball, dispersal device is driven by the rotation of grinding spindle, abrasive media is produced relative motion.The slurry to be ground is due to being situated between
Relative motion between matter ball produces extruding, shearing and collision and reaches crushing effect.Medium stirring mill machine relative to ball mill and
Vibrating mill has the advantages that product fineness is low, grinding energy consumption is low and grinding efficiency is high, therefore medium stirring mill machine has obtained extensively
Use.
Traditional medium stirring mill owner will have disc type medium stirring mill machine and rod pin medium stirring mill machine.Disc type stirs
The agitator of grinding machine is in the form of annular discs, and some breach and pod apertures are opened on agitator.The problem of disc type medium stirring mill machine is present
Mainly have：The more significant region of abrasive action is concentrated mainly on around agitator and ground cavity wall near zone in grinding chamber,
And both account for 10% or so of total grinding chamber volume, its effective abrasive areas is smaller；Tray type structure causes the fluid in grinding chamber
Mobility is relatively poor, the problems such as slurry card machine easily occurs, blocks；It is uniform that the limitation of abrasive structure makes it grind cavity fluid
Degree, dispersion effect are undesirable, and then have influence on the glossiness of product, and grinding efficiency is low.And rod pin medium stirring mill machine stirs
It is mainly rod latch structure to mix device, and technical problem existing for rod pin medium stirring mill machine mainly has that rotating speed is low, starting torque is big, knot
Structure is unstable, grinding yields poorly.Thus existing rod pin medium stirring mill machine and disc type medium stirring mill machine have oneself
Advantage and disadvantage, them are caused not have good general applicability and durability in actual production.
The content of the invention
The mesh of the present invention, which has, to be for drawbacks described above present in prior art, there is provided it is trickle that one kind is used for wet grinding
Particle is dispersed with stirring device, and it is simple in construction, practical, quickly grinding can be achieved efficiently so that slurry stirs in medium
Mix and more fully disperseed inside grinding machine, so as to obtain the product of better quality.
The purpose of the present invention is realized by the following technical solutions：This is used for the stirring of wet grinding fine particle
Dispersal device, the axle sleeve that it includes the wheel hub of ring-type and passes through key connection with main shaft；Wheel hub inner peripheral surface and both sides end face difference
It is connected by straight rib and diagonal rib bar with axle sleeve outer wall, wheel hub inner peripheral surface is tapered slope；The both sides end face of wheel hub is symmetrical
Inclined-plane, and some inclined-plane teeth are inlaid with thereon；The outer peripheral face of wheel hub is made up of arc surface and straight end surfaces, and outside wheel hub
Some rectangular openings are disposed with the arc surface of side face.
Specifically, the straight rib connects wheel hub and axle sleeve, the diagonal rib bar and wheel hub radial line in the radial line direction of wheel hub
Direction connection wheel hub at an angle and axle sleeve.The structure being connected using wheel hub with axle sleeve by rib, on the one hand it can protect
The stability of structure is demonstrate,proved, the slurry of another aspect hollow area can be flowed in the case where the rotation of straight rib and diagonal rib bar drives
It is dynamic, improve the mobility of slurry in grinding chamber, slurry is more fully well mixed, with improve the efficiency of production and
The quality of final products.
Specifically, the both sides end face of the wheel hub is symmetrical inclined-plane, the angle α of wheel hub end face and wheel hub radial line direction is
5 °~15 °.To improve the mobile performance of fluid.
Specifically, the inclined-plane tooth for being embedded in wheel hub both sides end face, the gradient γ of its ramp is 30 °~60 °.Tiltedly
Being mainly designed to of face tooth in order to extend speed lapping region (wheel hub both sides), improves the accounting of effective abrasive areas, raising is ground
Grind efficiency and severity of grind.
Specifically, the alternate distribution in pairs of the arc surface in composition hub periphery face and straight end face, its logarithm is 3 pairs or 4 pairs.Its
Effect is to stir positioned at wheel hub and grinds the fluid between cavity wall, to improve the uniformity of particle diameter in abrasive product.
Specifically, the rectangular opening arranged on the arc surface in hub periphery face uses hexahedron, wherein, rectangular opening is in wheel hub diameter
On the section of line direction, rectangular opening one side and the angle N of its bottom surface are 60 °~75 °, and the angle M of another side and its bottom surface is
30 °~45 °.To drive wheel hub and grind the abrasive media between cavity wall, grinding efficiency is improved.
Specifically, the wheel hub inner peripheral surface is tapered slope, the bus and the angle β of spindle axis axial direction of tapered slope are
10 °~20 °.To promote abrasive media to axially move.
The axle sleeve of the present invention is connected with grinding spindle by pin key, and power inputs whole grinding distribution dress from grinding spindle
Put, drive whole apparatus for grinding and dispersing to work.Straight rib and the diagonal rib bar of the present invention can connect wheel hub and axle sleeve in structure,
They can play a part of " rod pin " while structural stability is maintained from grinding mechanism, i.e., using straight rib and tiltedly
The rotational movement slurry and abrasive media of rib itself, which are done, to be rotated and spinning motion, is made full use of poorly efficient near grinding spindle
Abrasive areas, improve grinding spindle near zone grinding efficiency, and make under the influence of centrifugal force slurry and abrasive media to
High-speed region moves, and strengthens abrasive action, is advantageous to the raising of the uniformity of product.
The beneficial effects of the invention are as follows：The present invention is fully ensuring that the structural stability and durability that are dispersed with stirring device
On the premise of, improve ground slurry and abrasive media in grinding chamber using the design of straight rib, diagonal rib bar and wheel hub inner peripheral surface
Mobility, and strengthen the abrasive action in middle low speed abrasive areas (grinding spindle near zone)；Utilize inclined-plane tooth and wheel
Hub end face can effectively utilize adjacent hubs near-wall region, increase grinding effective coverage, be advantageous to increase substantially grinding efficiency；
Using hub periphery arc surface, periphery straight end face and rectangular opening can make close to grinding chamber wall region slurry and abrasive media it
Between interaction it is more violent, make full use of the larger velocity gradient in the region, improve grinding efficiency.Present invention is mainly used for powder
Body grinding refinement field, the especially application in wet grinding fine particle field.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the embodiment of the present invention.
Fig. 2 is the side view of the embodiment of the present invention.
Fig. 3 is Fig. 2 A-A sectional views.
Fig. 4 is the partial, partially-cross-sectioned side-elevation view of the embodiment of the present invention.
Fig. 5 is Fig. 4 C-C sectional views.
Fig. 6 is Fig. 5 D portions enlarged drawing.
Fig. 7 is Fig. 4 E portions enlarged drawing.
Fig. 8 is the stereogram of inclined-plane tooth in Fig. 1.
Fig. 9 is Fig. 8 side view.
Figure 10 is that the present invention is dispersed with stirring the installation diagram that device is applied to horizontal media agitator mill grinding unit.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
Referring to Fig. 1, Fig. 2, Fig. 3, the present embodiment is dispersed with stirring device for wet grinding fine particle, and it includes ring
The wheel hub 1 of shape and the axle sleeve 5 for passing through key connection with rotating shaft.The inner peripheral surface 1-5 and both sides end face 1-3 of wheel hub 1 are respectively by straight
Rib 2 and diagonal rib bar 3 are connected with the outer wall of axle sleeve 5；Straight rib 2 connects wheel hub 1 and axle sleeve 5 in the radial line direction of wheel hub 1, to ensure
The support strength of wheel hub；Diagonal rib bar 3 and the radial line direction of wheel hub 1 connection wheel hub 1 at an angle and axle sleeve 6, diagonal rib bar 3 except pair
Wheel hub 1 has outside supporting role, and also when dispersal device rotates, convection body has stirring action, to improve the mobile performance of fluid
With the effective milling zone of expansion；Therefore, straight rib 2 and diagonal rib bar 3 not only can be structurally joining together wheel hub and axle sleeve stabilizes it,
" rod pin " can also be played a part of, more abrasive media balls is strengthened low to the speed lapping regional movement where wheel hub
The abrasive action of fast abrasive areas.Some inclined-plane teeth 4 are inlaid with the both sides end face 1-3 of wheel hub 1；Referring also to Fig. 8, Fig. 9, tiltedly
The ramp gradient γ of face tooth 4 preferable span is 30 °~60 °, and inclined-plane tooth is arranged on wheel hub end face according to spiral form
On；Inclined-plane tooth 4 has two ways to be connected with end face, relevant with the viscosity of slurry, for the slurry of low viscosity, suffered by inclined-plane tooth
Active force is relatively small, and structure is directly welded or be cast integrally in end face with inclined-plane tooth；For highly viscous slurry, inclined-plane tooth exists
Can be by larger active force during work, and substantial amounts of heat is produced, it is easily impaired, therefore it is threadingly attached to hub end
Face, to be convenient for changing；The height of inclined-plane tooth can depending on actual grinding material, its purpose is to expand circumferential lateral surface,
Increase effective milling zone in circumferential lateral surface region, make full use of high rotating speed in outer region, form more vortex, enhancing
Grinding effect；The height of inclined-plane tooth and the spacing of different inclined-plane teeth are relevant with the viscosity of slurry and the rotating speed of grinding spindle, height
Difference can be adjusted according to different materials, for its difference in height of highly viscous slurry with respect to the slurry for being less than low viscosity
Material.The outer peripheral face of wheel hub 1 is made up of arc surface 1-1 and straight end face 1-2 intervals, and arc surface 1-1 and straight end face 1-2 are alternate paired point
Cloth, it is 3 pairs and 4 pairs to be preferably distributed logarithm, it can be seen that the present embodiment is 4 pairs；Arc surface and straight end EDS maps situation should
This meets structural symmetry, makes its distribution of force uniform, and straight end face, which utilizes, is dispersed with stirring the larger linear velocity in device end to being situated between
Matter and slurry are stirred, and strengthen friction, shearing and squeezing action between medium ball, strengthen grinding distribution effect, arc surface is then
Play buffering and maintain constitutionally stable effect.Some rectangular opening 1-4 are disposed with the arc surface 1-1 of the outer peripheral face of wheel hub 1；Ginseng
See Fig. 4, Fig. 7, rectangular opening 1-4 uses hexahedron, and it is on the section of wheel hub radial line direction, two sides and its bottom surface of rectangular opening
Two angles are formed, the wherein preferable spans of angle N are 60 degree to 75 degree, and M preferable spans in angle are 30 degree to 45 degree, and
Handled with hub periphery face end intersection using arc transition；Rectangular opening can make slurry and abrasive media outside by wheel hub
The straight end face collision rift speed of side face disturbs to slurry and abrasive media from different directions after decreasing, so as to change
The slurry of regional area and the running orbit of abrasive media, secondary collision is formed to the medium ball by straight end face collision rift, added
The intensity ground by force, be advantageous to improve the efficiency of grinding.Referring to Fig. 4, Fig. 5, Fig. 6, the inner peripheral surface 1-5 of wheel hub 1 is tapered slope,
The bus of tapered slope and the angle β of spindle axis axial direction preferable span are 10 degree to 20 degree；The near zone of axle sleeve 5 is
Middle and slow speed of revolution region, its grinding effect is bad, and inner peripheral surface is designed as after having the conical surface of certain taper, can make middle and slow speed of revolution
Slurry and abrasive media in region change the outside lateral movement of running orbit after running into the conical surface, then again under the influence of centrifugal force
Moved to medium high speed area, so as to improve grinding efficiency.It is also shown from Fig. 4, Fig. 5, Fig. 6, the both sides end face 1-3 of wheel hub 1 is adopted
With symmetrical inclined-plane, and the angle α span on inclined-plane and wheel hub radial line direction is 5 degree to 15 degree, and end face is arranged to inclined-plane can
To change the running orbit of slurry and abrasive media in grinding chamber, it sheared, rubbed and collision effect is more violent, expansion has
Abrasive areas is imitated, strengthens abrasive action, is advantageous to the raising of grinding efficiency；The symmetrical inclined design of both ends of the surface can ensure grinding master
The stress of axle in the course of the work is relatively uniform, avoids grinding spindle from occurring damaging and be broken, and extend grinding spindle uses the longevity
Life.
The present invention is dispersed with stirring device for wet grinding fine particle, and its each part cooperating mechanism is：It is located at
The slurry and abrasive media of low-speed region can rotate under the drive of diagonal rib bar and straight rib, during motion from
Moved under the influence of mental and physical efforts and gravity to wheel hub direction.And wheel hub region belongs to medium high speed area, slurry and abrasive media
Under the influence of inclined-plane tooth and wheel hub end face, a part may proceed to move to grinding cavity wall under the influence of centrifugal force, and in addition one
Part then collides with wheel hub angled end-face and its direction of motion is changed, so that the abrasive action in medium high speed area adds
By force, grinding efficiency is improved.In hub periphery end to grinding chamber wall region, slurry and abrasive media by hub periphery face circular arc
The effect in face and straight end face accelerates to move to cavity wall direction, and the rectangular opening on the nose circle face of periphery plays a part of secondary acceleration.
The present invention is dispersed with stirring device for wet grinding fine particle, and its overall structure is using wheel hub and the rib of axle sleeve
Connect hollow-core construction.The structure improves the mobility and grinding efficiency of fluid on the premise of overall structure stability is ensured,
The quality of product can be optimized and save entreprise cost.
It is the grinding for being dispersed with stirring device and being assembled to after the grinding chamber of horizontal media agitator mill of the invention referring to Figure 10
The installation diagram of unit, in figure, 6 be end cover, and 7 is are dispersed with stirring device, and 8 be grinding spindle, and 9 be sedimentator.In the present invention
Axle sleeve 5 be the present apparatus power intake, then grinding spindle 8 drives other annexes to work by key connection axle sleeve 5.For
The slurry for promoting just to be pumped into cavity rapidly enters others in grinding chamber and is dispersed with stirring device to improve its mobility, sealed end
Lid side first is dispersed with stirring device and is dispersed with stirring the installation direction of device behind on the contrary, so that first is dispersed with stirring device
Inner peripheral surface 1-5 incline direction and others it is in opposite direction.
Above-mentioned instantiation is illustrated to the principle and embodiment of the present invention, and the explanation of above example is simply used
To help to understand the method and its core concept of the present invention；It will be appreciated by those skilled in the art that it should be understood this hair
Bright protection domain is not limited to such especially statement and example.Every foundation foregoing description is made various possible equivalent
Replace or change, or be directly or indirectly used in other related technical areas, be all considered to belong to the claims in the present invention
Protection domain.
Claims (7)
1. a kind of be dispersed with stirring device for wet grinding fine particle, it is characterised in that：It include ring-type wheel hub and
The axle sleeve for passing through key connection with main shaft；Wheel hub inner peripheral surface and both sides end face are connected by straight rib and diagonal rib bar with axle sleeve outer wall respectively
Connect, wheel hub inner peripheral surface is tapered slope；The both sides end face of wheel hub is symmetrical inclined-plane, and some inclined-plane teeth are inlaid with thereon；
The outer peripheral face of wheel hub is made up of arc surface and straight end surfaces, and some rectangles are disposed with the arc surface in hub periphery face
Hole.
2. it is dispersed with stirring device for wet grinding fine particle according to claim 1, it is characterised in that：The straight rib
Bar connects wheel hub and axle sleeve, the diagonal rib bar and wheel hub radial line direction connection wheel hub at an angle in the radial line direction of wheel hub
With axle sleeve.
3. it is dispersed with stirring device for wet grinding fine particle according to claim 1, it is characterised in that：The wheel hub
Both sides end face be symmetrical inclined-plane, the angle α in wheel hub end face and wheel hub radial line direction is 5 °~15 °.
4. it is dispersed with stirring device for wet grinding fine particle according to claim 1, it is characterised in that：It is described to inlay
Inclined-plane tooth in wheel hub both sides end face, the gradient γ of its ramp is 30 °~60 °.
5. it is dispersed with stirring device for wet grinding fine particle according to claim 1, it is characterised in that：Form wheel hub
The alternate distribution in pairs of the arc surface of outer peripheral face and straight end face, its logarithm is 3 pairs or 4 pairs.
6. it is dispersed with stirring device for wet grinding fine particle according to claim 1, it is characterised in that：Hub periphery
The rectangular opening arranged on the arc surface in face uses hexahedron, wherein, rectangular opening is on the section of wheel hub radial line direction, rectangular opening side
The angle N of face and its bottom surface is 60 °~75 °, and the angle M of another side and its bottom surface is 30 °~45 °.
7. it is dispersed with stirring device for wet grinding fine particle according to claim 1, it is characterised in that：The wheel hub
Inner peripheral surface is tapered slope, and the bus of tapered slope and the angle β of spindle axis axial direction are 10 °~20 °.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017106704929 | 2017-08-08 | ||
| CN201710670492 | 2017-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107638914A true CN107638914A (en) | 2018-01-30 |
Family
ID=61123899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711044143.2A Withdrawn CN107638914A (en) | 2017-08-08 | 2017-10-31 | It is a kind of to be dispersed with stirring device for wet grinding fine particle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107638914A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108686764A (en) * | 2018-05-16 | 2018-10-23 | 苏州睿烁环境科技有限公司 | A kind of hardened material continuous efficient dispersing device |
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|---|---|---|---|---|
| GB810005A (en) * | 1956-04-04 | 1959-03-04 | Du Pont | New and improved process of dispersing pigments in liquid media and/or reducing the particle size of pigments |
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| CN108686764A (en) * | 2018-05-16 | 2018-10-23 | 苏州睿烁环境科技有限公司 | A kind of hardened material continuous efficient dispersing device |
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Application publication date: 20180130 |
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