CN102872936B - Nanoscale dynamic separation-type grinder - Google Patents
Nanoscale dynamic separation-type grinder Download PDFInfo
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- CN102872936B CN102872936B CN201210364487.2A CN201210364487A CN102872936B CN 102872936 B CN102872936 B CN 102872936B CN 201210364487 A CN201210364487 A CN 201210364487A CN 102872936 B CN102872936 B CN 102872936B
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Abstract
The invention relates to a nanoscale grinder, and particularly relates to a nanoscale dynamic separation-type grinder which comprises a grinding cylinder with a grinding chamber molded inside, and a feeding chamber communicated with the grinding chamber; the two ends of the grinding chamber are respectively sealed by end covers; one main shaft passes through the end covers and extends into the grinding chamber; a grinding rotor is disposed in the grinding chamber and is driven to rotate by the main shaft; the main shaft is hollow with an internal cavity forming a discharging chamber; one end of the main shaft is provided with a separator rotating with the main shaft; a separation chamber of the separator is communicated with the discharging chamber. The separator of the invention rotates with the main shaft to allow the grinded materials to be directly discharged from the discharging chamber of the main shaft; not only is the structure simple, and dynamic separation is realized; but also the separator is difficult to be obstructed by the grinded materials as a result of the centrifugal force generated by the rotation of the separator, and thus the grinding efficiency is improved; additionally, the separator is formed by laminating a plurality of separation ring layers, which is convenient for mounting, dismounting and cleaning; meanwhile, the gap of the separator and the diameter of the separation ring can be designed to be smaller, and thus nanoscale grinding is realized easily.
Description
Technical field
The present invention relates to grinder, is a kind of Dynamic Separation formula grinder reaching nanoscale grinding specifically.
Background technology
The huge number of grinder, comprises the grinding machine for extra-fine grinding, such as: sand mill, and ball mill, Raymond mill, stake grinding machine etc.; Also comprise wet milk, such as: ball disc mill, colloidal mill, air-flow grinding machine, ultrasonic wave grinding machine, agitator mill, the grinder that drum grinding machine etc. are similar.At present, the application improving grinding efficiency and abrasive product precision and developing grinder is the research direction of grinder.Traditional grinder generally comprises the sand cylinder that inside forms grinding chamber and the feed cavity be communicated with this grinding chamber, described grinding chamber two ends are respectively by end cap seal, main shaft stretches in grinding chamber through an end cap, be provided with in this grinding chamber by the grinding rotor of main shaft driven rotary, separator is fixed in grinding chamber, and discharge nozzle is provided with on another end cap, discharge nozzle communicates with the disengagement chamber of separator.When material is after grinding rotor grinding, enters disengagement chamber by separator, then flow out from discharge nozzle.This traditional discharge method, because separator is fixed on statically on another end cap that discharge nozzle installs, and is generally metal material and processes, easily cause material and abrasive media blocking separator, thus reduce grinding efficiency; Meanwhile, the separator of static type is dismantled, is cleaned inconvenience.
Summary of the invention
For above-mentioned technical problem, the invention provides and a kind of improve grinding efficiency and separator dismounting, clean more conveniently nanoscale Dynamic Separation formula grinder.
The technical scheme that the present invention solves the problems of the technologies described above employing is: nanoscale Dynamic Separation formula grinder, comprise the sand cylinder that inside forms grinding chamber and the feed cavity be communicated with this grinding chamber, described grinding chamber two ends are respectively by end cap seal, one main shaft stretches in grinding chamber through described end cap, be provided with by the grinding rotor of described main shaft driven rotary in this grinding chamber, described main shaft is hollow spindle, its internal cavities forms discharging chamber, one end that described main shaft is positioned at grinding chamber is provided with the separator rotated with this main shaft, the disengagement chamber of this separator is communicated with described discharging chamber.
Further, described separator comprises stacked several eseparation rings, and the inner ring of described several eseparation ring forms described disengagement chamber; One side of eseparation ring described in each is provided with at least two axially extended boss, and the described boss between two adjacent eseparation rings makes to form the gap passed through for grinding material between this two eseparation ring, and this gap communicates with described disengagement chamber.
As preferably, the another side correspondence of eseparation ring described in each has opened at least two grooves, and described in each, boss correspondence snaps in the described groove of adjacent eseparation ring.
Further, described grinding rotor is the several abrasive disks be arranged on described main shaft, is provided with described separator between two often adjacent abrasive disks.
Further, each eseparation ring of described separator is set in outside one section of main shaft between two abrasive disks, and be circumferentially with number row material path along this section of main shaft, described disengagement chamber is communicated with discharging chamber by each material path.
As preferably, described grinding rotor is excellent pin sleeve rotor, and this rotor is installed on one end described in main shaft, and rotor internal cavity is provided with the described separator be arranged on one end described in this main shaft.
Further, each eseparation ring of described separator is axially opened the through hole through boss described in each, at least two bolts are corresponding affixed through one end end face described in the described through hole on each eseparation ring and main shaft respectively.
As preferably, disengagement chamber one end of described separator is communicated with described discharging chamber, and the other end is by installing cover plate for sealing.
Further, described separator also comprises a support frame, this support frame comprises the back-up ring that described in side and main shaft, one end end face is affixed, this back-up ring opposite side is axially extended with several connecting rod, connecting rod end is provided with support ring, eseparation ring described in each is sheathed on outside this several connecting rod, the gland be connected with described support ring by several eseparation ring pressure holding between described back-up ring and this gland.
Further, described gland is opened the through hole communicated with described disengagement chamber, this through hole is coated with filter screen.
As can be known from the above technical solutions, separator of the present invention, with main axis, makes grinding material directly discharge from the discharging chamber of main shaft, and not only structure is simple, achieves dynamic type and is separated; And due to separator rotation generation centrifugal force, make grinding material not easily block separator, thus improve grinding efficiency; In addition, separator is laminated by several eseparation ring, is convenient to install, dismantle and cleaning; Meanwhile, can the gap of separator and eseparation ring diameter design be obtained less, easily realize nanoscale grinding.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of preferred embodiment of the present invention;
Fig. 2 is A-A section enlarged diagram in Fig. 1;
Fig. 3 is the structural representation of the another kind of preferred embodiment of the present invention;
Fig. 4 is the part-structure enlarged diagram of separator in Fig. 3;
Fig. 5 is that the B of Fig. 4 is to schematic diagram;
Fig. 6 is the structure enlarged diagram of another kind of separator in Fig. 3;
Fig. 7 is the C-C generalized section of Fig. 6.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail:
Below for PHN SuperMaxZeta Nanomill grinder, this grinder comprises the sand cylinder 2 that inside forms grinding chamber 21 and the feed cavity 22 be communicated with this grinding chamber, and described grinding chamber two ends seal respectively by end cap 1; Described feed cavity can be arranged on sand cylinder, also can be arranged on end cap; Meanwhile, sand cylinder also can arrange interlayer and the intake-outlet of logical cooling water, and adopt the mode of low in and high out, sand cylinder is better cooled, desirable Cooling Design can allow thermally sensitive product to grind better.One main shaft 3 stretches in grinding chamber through described end cap, be provided with by the grinding rotor of described main shaft driven rotary in this grinding chamber, described main shaft 3 is hollow spindle, its internal cavities forms discharging chamber 31, one end that described main shaft is positioned at grinding chamber is provided with the separator 4 rotated with this main shaft, separator is generally large discharge open type dynamic separator (OCS:Open Canister Separation System), the disengagement chamber 41 of this separator 4 is communicated with described discharging chamber 31, this separator allows the material after grinding to flow out grinding chamber, and abrasive media is stayed in grinding chamber.Separator of the present invention is with main axis, and have employed gradient mechanics, equation and Mechanics of Machinery checking design, ensure that grinding material is directly discharged from the discharging chamber of main shaft through swivel joint under the pressure effect of centrifugal force and feed pump, not only structure comparatively simply, achieves Dynamic Separation; And owing to producing centrifugal force during separator rotation, make grinding material not easily block separator, thus improve grinding efficiency; In addition, this structural design makes running up of abrasive media weaken because grinding material flowing causes abrasive media to the axially-movable trend of discharging cavity direction, abrasive media is retained in grinding cavity continue fully to grind with material, is conducive to improving grinding precision.
Separator 4 of the present invention comprises stacked several eseparation rings 42, and the inner ring of described several eseparation ring forms described disengagement chamber 41; One side of each eseparation ring is provided with at least two axially extended boss 43, and the described boss between two adjacent eseparation rings makes to form the gap 44 passed through for grinding material between this two eseparation ring, and this gap communicates with described disengagement chamber.Usually, the gap between eseparation ring is abrasive media as isodiametric in zirconium oxide bead 1/2, and minimum separation czermak space can reach 0.015mm, minimum abrasive media diameter can be used to be 0.03mm simultaneously.In implementation process, eseparation ring can adopt ceramic material to make, and it is compared with metal material, more environmental protection, and add described boss gap precision can be made man-hour more accurate, also can avoid simultaneously grinding material be contaminated with metals rear affect product energy and abrasive media the situation such as to leak outside; The another side correspondence of eseparation ring described in each of the present invention has opened at least two grooves 45, and described in each, boss correspondence snaps in the described groove of adjacent eseparation ring, makes whole cyclone separator arrangement compact, firm.In implementation process, also can not adopt groove structure, and directly be contacted with the described another side of adjacent eseparation ring by the described boss of eseparation ring; And each eseparation ring is circumferentially evenly equipped with four described boss, be conducive to balancing fastening superimposed eseparation ring.
As a kind of preferred embodiment of the present invention, as shown in Figure 1, Figure 2, described grinding rotor is the several abrasive disks 5 be arranged on main shaft, as the turbine disk, three eccentricity dish etc., is provided with described separator between two often adjacent abrasive disks; Each eseparation ring of described separator is set in outside one section of main shaft between two abrasive disks, and be circumferentially with number row material path 32 along this section of main shaft, described disengagement chamber is communicated with discharging chamber by each material path.This structure not only makes eseparation ring be clamped between two adjacent abrasive disks, gap length between separator adjusts accordingly by the axial tightness of abrasive disk, thus grinding material can be made to reach the fineness of grind of specifying, easily realize nanoscale grinding; And the favourable dismounting of this structure, the broken particle of institute's card material grit or abrasive media between cleaning eseparation ring, also help cleaning separator when changing abrasive product.
Above-mentioned preferred embodiment is achieved in that after material to be processed enters grinding chamber from feed cavity, grind under the turning effort of abrasive disk, the material reaching fineness of grind enters disengagement chamber from the gap of eseparation ring, then enter discharging chamber through material path, finally discharge from the swivel joint be arranged on main shaft.In implementation process, described in rotating shaft, the end face of one end is salable, also can arrange screen pack and make material directly enter feed cavity through screen pack, can improve discharging efficiency like this, thus improve grinding efficiency further.But screen pack should be supporting with separator, that is screen pack mesh diameter is consistent with the gap between eseparation ring.
As another kind of preferred embodiment of the present invention, as Fig. 3, Fig. 4, Fig. 5, described grinding rotor is excellent pin sleeve rotor 6, and this rotor is installed on one end described in main shaft, and its mounting means has multiple, is not repeated herein.Be provided with described separator in described rotor, through hole 61, at least two bolt 62 each eseparation ring of described separator axially opened through boss described in each is corresponding affixed through one end end face described in the described through hole on each eseparation ring and main shaft respectively.In implementation process, three bolts can be utilized to be compressed by eseparation ring through the cover plate 63 of the hermetic separation chamber other end, enter disengagement chamber after so not only making material form backflow, can grinding precision be improved; And make the cooperation of whole eseparation ring more firm.The separator of this structure is generally applicable to grind compared with the material of low discharge.As above-mentioned distortion of selecting the cover plate for sealing disengagement chamber other end, at the other end of separator, another screen pack can be installed, make a part of grinding material directly enter disengagement chamber through another screen pack, improve discharging efficiency, thus improve grinding efficiency further.
As the distortion of another kind of preferred embodiment of the present invention, as Fig. 6, Fig. 7, described separator 4 also comprises a support frame 46, this support frame comprises the back-up ring 461 that described in side and main shaft, one end end face is affixed, this back-up ring opposite side is axially extended with several connecting rod 462, connecting rod end is provided with support ring 463, eseparation ring described in each is sheathed on outside this several connecting rod, the gland 47 be connected with described support ring by several eseparation ring pressure holding between described back-up ring and this pressing plate, so not only make separator more have rigidity, coordinate firmly; And the object by regulating the tightness of pressing plate to reach adjustment separating ring gap.In implementation process, the through hole 48 communicated with described disengagement chamber can be opened on gland, this through hole is coated with filter screen 49, make material directly enter disengagement chamber from filter screen, to improve grinding efficiency.The separator of this structure is generally applicable to grind compared with the material of large discharge.
Above-mentioned another kind of preferred embodiment is such realization: after material to be processed enters grinding chamber from feed cavity, grind under the effect of the sleeve rotor of excellent pin, material after grinding enters in rotor, the material reaching fineness of grind enters disengagement chamber from the separating ring gap in rotor, then discharges through the discharging chamber of rotating shaft.This special separator and excellent pin sleeve rotor structural design, decrease contacting of abrasive media and sand cylinder and rotor, improve capacity usage ratio, reduce thermal losses, also reduce the wearing and tearing of grinding cavity inner contact position.
Each eseparation ring boss of separator of the present invention is not limited to arrange three or four, also can arrange two, five etc., and the bolt hole accordingly on each abrasive disk also should be two, five etc.The present invention adopts brand-new main shaft discharge method, make separator with main axis, even if materials from bonding is on eseparation ring, under the centrifugal action that it rotates, binding material also can be made to throw away, thus achieve real Dynamic Separation, make material not easily block separator, avoid unnecessary shutdown disassembly, cleaning, also reach the effect improving grinding efficiency; In addition, separator is laminated by eseparation ring, is conducive to further installing and cleaning.In implementation process, because separator adopts the structure being separated ring type, can the diameter design of Separation and eseparation ring be obtained less, more small abrasive media can be used, so not only easily realize nanoscale grinding, also can increase the quantity of eseparation ring, thus increase the discharging area of separator, reach better grinding effect and discharging efficiency.
The present invention also can adopt the rotor of new material, sand cylinder and separator, machine can be applied to the grinding of how better nano material industry.In implementation process, separator and rotor can adopt non-metallic material, as PU polyurethane macromolecule, SIN silicon nitride, SIC carborundum etc., reduce the performance of grinding-material on grinding material product or the impact of function.The present invention can process low sticky fine grained and height glues coarse grained solid-liquid product mix, even if under the situation of large discharge, also non-grinding medium leaks and runs and card bead phenomenon.
Above-mentioned embodiment is used for illustrative purposes only, and be not limitation of the present invention, the those of ordinary skill of relevant technical field, without departing from the spirit and scope of the present invention, can also make various change and modification, therefore all equivalent technical schemes also should belong to category of the present invention.
Claims (5)
1. nanoscale Dynamic Separation formula grinder, comprise the sand cylinder that inside forms grinding chamber and the feed cavity be communicated with this grinding chamber, described grinding chamber two ends are respectively by end cap seal, one main shaft stretches in grinding chamber through described end cap, be provided with by the grinding rotor of described main shaft driven rotary in this grinding chamber, it is characterized in that: described main shaft is hollow spindle, its internal cavities forms discharging chamber, one end that described main shaft is positioned at grinding chamber is provided with the separator rotated with this main shaft, and the disengagement chamber of this separator is communicated with described discharging chamber; Described separator comprises stacked several eseparation rings, and the inner ring of described several eseparation ring forms described disengagement chamber; One side of eseparation ring described in each is provided with at least two axially extended boss, and the described boss between two adjacent eseparation rings makes to form the gap passed through for grinding material between this two eseparation ring, and this gap communicates with described disengagement chamber; Described grinding rotor is excellent pin sleeve rotor, and this grinding rotor is installed on one end described in main shaft, and grinding rotor inner chamber is provided with the described separator being arranged on one end described in this main shaft; Each eseparation ring of described separator axially offers the through hole through boss described in each, at least two bolts are corresponding affixed through one end end face described in the described through hole on each eseparation ring and main shaft respectively.
2. nanoscale Dynamic Separation formula grinder according to claim 1, is characterized in that: the another side correspondence of eseparation ring described in each offers at least two grooves, and described in each, boss correspondence snaps in the described groove of adjacent eseparation ring.
3. nanoscale Dynamic Separation formula grinder according to claim 1, is characterized in that: disengagement chamber one end of described separator is communicated with described discharging chamber, and the other end is by installing cover plate for sealing.
4. nanoscale Dynamic Separation formula grinder according to claim 3, it is characterized in that: described separator also comprises a support frame, this support frame comprises the back-up ring that described in side and main shaft, one end end face is affixed, this back-up ring opposite side is axially extended with several connecting rod, connecting rod end is provided with support ring, eseparation ring described in each is sheathed on outside this several connecting rod, the gland be connected with described support ring by several eseparation ring pressure holding between described back-up ring and this gland.
5. nanoscale Dynamic Separation formula grinder according to claim 4, is characterized in that: described gland offers the through hole communicated with described disengagement chamber, this through hole is coated with filter screen.
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| CN201210364487.2A CN102872936B (en) | 2012-09-26 | 2012-09-26 | Nanoscale dynamic separation-type grinder |
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| CN201210364487.2A CN102872936B (en) | 2012-09-26 | 2012-09-26 | Nanoscale dynamic separation-type grinder |
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| CN102872936B true CN102872936B (en) | 2015-05-13 |
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| CN112742553A (en) * | 2019-10-30 | 2021-05-04 | 西安众力沥青有限公司 | Separator of grinding machine and grinding machine |
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Denomination of invention: Nanometer dynamic separating grinder Effective date of registration: 20221020 Granted publication date: 20150513 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Panyu branch Pledgor: PUHLER (GUANGDONG) SMART NANO TECHNOLOGY Co.,Ltd. Registration number: Y2022980018953 |
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