CN102814216A - Double-shaft grinding system - Google Patents
Double-shaft grinding system Download PDFInfo
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- CN102814216A CN102814216A CN2012103049241A CN201210304924A CN102814216A CN 102814216 A CN102814216 A CN 102814216A CN 2012103049241 A CN2012103049241 A CN 2012103049241A CN 201210304924 A CN201210304924 A CN 201210304924A CN 102814216 A CN102814216 A CN 102814216A
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Abstract
The invention discloses a two-shaft grinding system, which is characterized in that a hollow disengaging shaft is arranged in a hollow dispersing shaft; one end of the dispersing shaft and one end of the disengaging shaft are respectively connected with a disperser and a segregator; two first seal structures are arranged between a barrel cover and the dispersing shaft; two second seal structures are arranged between the hollow disengaging shaft and the hollow dispersing shaft; and the barrel cover located between the two first seal structures is provided with a first barrel cover guide hole and a second barrel cover guide hole; and the dispersing shaft between the two second seal structures is provided with a first dispersing shaft guide hole and a second dispersing shaft guide hole; and a first barrel of which the inner wall is in an epsilon shape is matched with the barrel-shaped disperser and the segregator of which the section view along the axial direction is trapezoidal. When the two-shaft grinding system works, the first barrel which is in the epsilon shape moves under the action of the disperser and the segregator, so that a material and a grinding ball are respectively kept at a higher movement velocity in a smaller space, and meanwhile, the ground material can flow in a forcible direction, and therefore, the path length of the movement of the material and the grinding ball is shortened, the probability that the material is contacted with the grinding ball is increased, and further, the grinding efficiency is increased.
Description
Technical field
The present invention relates to the grinding technique field, particularly a kind of twin shaft grinding system.
Background technology
Existing lapping device adopts the twin shaft of separation to drive separator respectively usually and the synchronous or asynchronous rotation of disperser realizes grinding; Though the twin shaft that separates drives separator respectively and disperser can be realized grinding effect; But twin shaft is usually above relative two sides; As above be provided with down or about be provided with, thereby its structure space is big, also is unfavorable for safeguarding.When no matter separator and disperser adopt synchronous or asynchronous rotations,, make that material and mill ball motion path are long, influence grinding efficiency owing to the space of material and mill ball is big.
Summary of the invention
The technical problem that the present invention mainly solves provides a kind of twin shaft grinding system; This twin shaft grinding system can be under separator and disperser effect the path of motion of material and mill ball reduce; Increasing mill ball and grinding-material has more touch opportunities, improves grinding efficiency.
In order to address the above problem; The present invention provides a kind of twin shaft grinding system; This twin shaft grinding system comprises: cover and hollow disperse axle to be rotationally connected; In this hollow is disperseed axle, be provided with the hollow declutch shaft, this dispersion axle and declutch shaft one end are in transmission connection with drive motors respectively, and the other end is connected with separator with disperser respectively; Between cover and dispersion axle, be provided with two first hermetically-sealed constructions; Between hollow declutch shaft and declutch shaft, be provided with two second hermetically-sealed constructions; Wherein, On the cover between two first hermetically-sealed constructions, be provided with the first cover guide hole and the second cover guide hole, on the dispersion axle between two second hermetically-sealed constructions, be provided with first and disperse spindle guide hole and second to disperse the spindle guide hole, first cylindrical shell that inwall is the mountain font is with tubular disperser and analyse and observe the separator that is trapezoidal vertically and cooperate.
Say that further said first disperses the spindle guide hole and the first cover guide hole to be on the same horizontal line, second disperses the spindle guide hole and the second cover guide hole to be on the same horizontal line, and said first disperses spindle guide hole and second to disperse the spindle guide hole to be dislocatedly distributed up and down.
Say further; Said first hermetically-sealed construction and the second hermetically-sealed construction mechanical seal parts; Wherein, said first hermetically-sealed construction comprise shift to install in cover inboard with disperse the axle outside two O-ring seals, the O-ring seal that wherein is arranged at cover is positioned at another O-ring seal top; Said second hermetically-sealed construction comprise shift to install in disperse axle inboard with the declutch shaft outside two O-ring seals, the O-ring seal of being located at the declutch shaft outside is positioned to be arranged at and disperses a side-lower.
Say that further said declutch shaft cavity wall is provided with helical structure, the ascent direction of this helical structure is identical with the declutch shaft rotation direction.
Say that further disperseing also to be provided with cooling solvent delivery device between axle and the declutch shaft, this cooling solvent delivery device is arranged between two second hermetically-sealed constructions.
Say that further said cooling solvent delivery device is located at the declutch shaft outside or is disperseed the inboard circular spiral body of axle, matched in clearance between this conveyor screw and declutch shaft or the dispersion axle.
Say further; Said cooling device also comprises heat-exchange device; This heat-exchange device comprises the container of containing the cooling solvent, is provided with cylindricality helical form conduit in this container, on this container, is provided with two container joints that are communicated with the first cover guide hole and the second cover guide hole respectively.
Say further, lead being provided with cooling solvent booster pump between the mouth at the said first cover guide hole and container.
Say that further said declutch shaft is provided with the connecting hole that connects disengagement chamber, said separator is connected the gap of grinding chamber and disengagement chamber with being axially arranged with of disperser.
Say that further tubular disperser inboard is provided with and disperses a stationary annular convexity, this protruding top contacts with the O-ring seal of second hermetically-sealed construction, and its underpart is provided with annular and is evenly distributed with a plurality of pilot holes.
Say that further said first cylindrical shell outside is provided with second cylindrical shell, the cooling cavity or the pipeline that are formed by the gap between this second cylindrical shell and first cylindrical shell are respectively equipped with on this second cylindrical shell and the cooling liquid inlet and the cooling liquid outlet that cool off cavity or pipeline connection.
Twin shaft grinding system of the present invention is provided with the hollow declutch shaft in the hollow declutch shaft, this declutch shaft is connected with separator with disperser respectively with declutch shaft one end; Between cover and hollow declutch shaft, be provided with two first hermetically-sealed constructions; Between hollow declutch shaft and declutch shaft, be provided with two second hermetically-sealed constructions; Wherein, On the cover between two first hermetically-sealed constructions, be provided with the first cover guide hole and the second cover guide hole, on the dispersion axle between two second hermetically-sealed constructions, be provided with first and disperse spindle guide hole and second to disperse the spindle guide hole, first cylindrical shell that inwall is the mountain font is with tubular disperser and analyse and observe the separator that is trapezoidal vertically and cooperate.During work, motion under the effect of first cylindrical shell that is the mountain font and disperser and separator can make the material of each position and mill ball keep higher speed on the one hand in limited grinding space, improves grinding efficiency; Grinding material can be flowed by compulsory direction, reduce the path of material and mill ball motion, increase material and mill ball touch opportunity, and then improve grinding efficiency.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To make brief account to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, and the accompanying drawing in describing is some embodiments of the present invention, to those skilled in the art; Under the prerequisite of not paying creative work, can also obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 be twin shaft grinding system embodiment along the rotating shaft aspect sectional structure sketch map;
Fig. 2 is an A part-structure enlarged diagram among Fig. 1.
Below in conjunction with embodiment, and with reference to accompanying drawing, realization, functional characteristics and the advantage of the object of the invention is described further.
The specific embodiment
In order to make purpose, technical scheme and the advantage that to invent clearer; To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention carried out clear, intactly description, obviously; Described embodiment is a part of embodiment of invention, rather than whole embodiment.Based on the embodiment among the present invention, the every other embodiment that those of ordinary skills are obtained under the prerequisite of not making creative work belongs to the scope that the present invention protects.
As depicted in figs. 1 and 2, the present invention provides a kind of twin shaft to grind drive unit embodiment.
This twin shaft grinding system comprises: comprise first cylindrical shell 8 and the cover 1 that is connected with this first cylindrical shell 8; This cover 1 disperses axle 2 to be rotationally connected with hollow; In this dispersion axle 2, be provided with hollow declutch shaft 3; This dispersion axle 2 is in transmission connection with drive motors (accompanying drawing does not indicate) respectively with declutch shaft 3 one ends, and the other end is connected with separator 7 with disperser 6 respectively; Between cover 1 and dispersion axle 2, be provided with two first hermetically-sealed constructions 4; Disperseing to be provided with two second hermetically-sealed constructions 5 between axle 2 and the declutch shaft 3; Wherein, On the cover between two first hermetically-sealed constructions 41, be provided with the first cover guide hole 11 and the second cover guide hole 12; On the dispersion axle 2 between two second hermetically-sealed constructions 5, be provided with first and disperse the spindle guide hole 21 and the second dispersion spindle guide hole 22, first cylindrical shell 8 that inwall is the mountain font is with tubular disperser 6 and analyse and observe the separator 7 that is trapezoidal vertically and cooperate.
Specifically, on said simplified lid 1, be provided with charging aperture, said first disperses external cavity one side of spindle guide hole 21 and 4 formation of two first hermetically-sealed constructions and internal cavity one side of two second hermetically-sealed construction 5 formation to be communicated with.Said dispersion axle 2 can be in transmission connection with a drive motors with declutch shaft 3 one ends, at this moment, disperses axle 2 and declutch shaft 3 to rotate synchronously.Disperse axle 2 and declutch shaft 3 one ends also can be in transmission connection with two drive motors respectively, disperse this moment axle 2 and declutch shaft 3 can adopt synchronous rotation, also can adopt asynchronous rotation.First cylindrical shell, 8 both sides that inwall is the mountain font cooperate with tubular disperser 6, boss with analyse and observe the separator 6 that is trapezoidal vertically and cooperate.
During work, in limited grinding space, can make the material of each position and mill ball can keep higher speed, improve grinding efficiency; Grinding material can be flowed by compulsory direction, reduce the path of material and mill ball motion, increase material and mill ball touch opportunity, and then improve grinding efficiency.
Said second disperses the external cavity opposite side of spindle guide hole 22 and 4 formation of two first hermetically-sealed constructions and the internal cavity opposite side of two second hermetically-sealed construction 5 formation to be communicated with; Promptly the first cover guide hole 11, first disperses the passage that spindle guide hole 21, the second dispersion spindle guide hole 22 and the second cover guide hole 12 are linked in sequence; Wherein the first cover guide hole 11 and first disperses spindle guide hole 21 to be positioned at the same side; Second disperses the spindle guide hole 22 and the second cover guide hole 12 to be positioned at the same side; And the first cover guide hole 11 and the second cover guide hole 12 lay respectively at the both sides of cover, are preferably over against distribution.
Said first disperses the spindle guide hole 21 and the first cover guide hole 11 to be on the same horizontal line; Second disperses the spindle guide hole 22 and the second cover guide hole 12 to be on the same horizontal line; Said first disperses spindle guide hole 21 and second to disperse spindle guide hole 22 to be dislocatedly distributed up and down, can make the cooling solvent that the time of suitable absorption heat is arranged.
Said first hermetically-sealed construction 4 and second hermetically-sealed construction 5 adopt the mechanical seal parts; This first hermetically-sealed construction 4 comprises two O-ring seals that shift to install in cover 1 inboard and dispersion axle 2 outsides, and the O-ring seal that wherein is arranged at cover 1 is positioned at another O-ring seal top; Said second hermetically-sealed construction 5 comprise shift to install in disperse axle 2 inboard with declutch shaft 3 outsides, two O-ring seals, the O-ring seal of being located at declutch shaft 2 outsides is positioned to be arranged at and disperses 3 side-lower.Because the sealing ring mutual dislocation can conveniently be cooled off solvent and better contact with hermetically-sealed construction, and then keep hermetically-sealed construction to be operated in suitable temperature, avoid too early wearing out.
Disperseing also to be provided with cooling solvent delivery device between axle 2 and the declutch shaft 3, this cooling solvent delivery device is arranged between two second hermetically-sealed constructions 5, and this cooling solvent delivery device comprises is located at declutch shaft 3 outside ring-type conveyor screws, as shown in Figure 2.Matched in clearance between this conveyor screw 14 and the dispersion axle 2.
Driving respectively with two motors that declutch shaft and declutch shaft grind is its course of work of example explanation.
When two motors drive dispersion axle and declutch shaft grinding respectively; Driving grinding material with disperser that declutch shaft connects rotates both sides inside and outside radial dispersion device mutually; In rotation process, making that pressure at both sides is uneven inside and outside the disperser under must the effect of power; This moment, the part grinding material moved along pilot hole from inside to outside, formed along the circulation of pilot hole circulation.Because it is little to grind the quality of material of accomplishing; Under separator effect at a high speed, around separator, form the radially descending inside distribution of material diameter, axially the material diameter is descending upwards distributes; Be quality big be distributed in the outside, quality is little is distributed in the inboard.
Owing in process of lapping, produce great amount of heat between first hermetically-sealed construction and second hermetically-sealed construction.Pass through appropriate configurations; The cooling solvent can disperse spindle guide hole 21, second to disperse the channel flow of spindle guide hole 22 and 12 formation of the second cover guide hole from the first cover guide hole 11, first; And contact with two second hermetically-sealed constructions with two first hermetically-sealed constructions respectively; And then the heat of its generation taken out of internally, reduce the operating temperature of hermetically-sealed construction, increase the service life.
In the present embodiment; Said twin shaft grinding system comprises heat-exchange device; This heat-exchange device comprises the container 10 of containing the cooling solvent; Be provided with cylindricality helical form conduit 16 in this container 10, on this container 10, be provided with two container joints that are communicated with the first cover guide hole 11 and the second cover guide hole 12 respectively 15 and container joint 16.This heat-exchange device can improve cooling effect better with the temperature reduction of cooling solvent, makes hermetically-sealed construction that more stable operating temperature arranged.
As required, can between said first cover guide hole 11 and container joint 15, be provided with cooling solvent booster pump (accompanying drawing does not indicate), can increase the flowing velocity of cooling solvent, and then make hermetically-sealed construction that lower stable temperature arranged.
In the present embodiment, said declutch shaft 3 cavity walls are provided with helical structure, and the ascent direction of this helical structure is identical with the declutch shaft rotation direction, because helical structure can make material export more easily when having rotation, improve discharging speed.
Said circular spiral body 14 can be one-body molded with declutch shaft 3, also can adopt isolating construction.When adopting circular spiral body 14 and declutch shaft 3 to be isolating construction, outside said circular spiral body 14, be with sheath 13, this sheath 13 contacts with the inwall that disperses axle 2.Said as required circular spiral body 14 also can be located at the inwall that disperses axle 2; Circular spiral body 14 rotates with disperseing axle 2 synchronously during work; Equally also can realize cooling off solvent disperses spindle guide hole 21 to be transported to second dispersion 22 positions, spindle guide hole, position from first of lower position; Realize the cooling flow of solvent, and then to the cooling of hermetically-sealed construction.
Said declutch shaft 3 is provided with the connecting hole 31 that connects disengagement chamber C, is connected the gap B of grinding chamber D and disengagement chamber C with being axially arranged with of disperser 1 at separator 3.Because the existence of gap B; When said separator and disperser rotate at a high speed; Surface density is big under in grinding chamber D, forming, the state that last surface density is little, and the pressure in the disengagement chamber C is less than grinding chamber D; Ground material can speed get into tapping channel output through connecting hole 31 under action of pressure like this, and then also can improve the speed of discharging.
Annular is evenly distributed with a plurality of pilot holes 61 on the said disperser 6; Under the effect of this pilot hole 61; The interior outside pressure of the disperser 6 during rotation is uneven; And then make partial material to flow from pilot hole 61, and thereby forming a plurality of directions in grinding chamber, material and mill ball flow fast, improve grinding efficiency.
Said first cylindrical shell, 8 inwalls are mountain font cavity, can better cooperate with disperser, improve grinding efficiency.Tubular disperser inboard is provided with and disperses axle 2 stationary annular convexity 62, and the top of this convexity 62 contacts with the O-ring seal of first hermetically-sealed construction 4, and its underpart is provided with annular and is evenly distributed with a plurality of pilot holes 61.Because first cylindrical shell 8 of this structure cooperates with disperser 6 and separator 7; The grinding void space is limited, makes the material of each position and mill ball that bigger speed can both be arranged, and then can improve grinding efficiency; Protruding 62 top contacts with O-ring seal simultaneously, can improve sealing.
Said first cylindrical shell 8 outsides are provided with second cylindrical shell 9, and the cooling cavity or the pipeline that are formed by the gap between this second cylindrical shell 9 and first cylindrical shell 8 are respectively equipped with on this second cylindrical shell 9 and cooling liquid inlet that cools off cavity or pipeline connection 91 and cooling liquid outlet 92.Can reduce the temperature of cylindrical shell, prolong the service life of equipment.
The above is merely the preferred embodiments of the present invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. the twin shaft grinding system comprises first cylindrical shell and the cover that is connected with this first cylindrical shell, it is characterized in that:
This cover and hollow disperse axle to be rotationally connected, and in this dispersion axle, are provided with the hollow declutch shaft, and this dispersion axle and declutch shaft one end are in transmission connection with drive motors respectively, and the other end is connected with separator with disperser respectively; Between cover and dispersion axle, be provided with two first hermetically-sealed constructions; Disperseing to be provided with two second hermetically-sealed constructions between axle and the declutch shaft; Wherein, On the cover between two first hermetically-sealed constructions, be provided with the first cover guide hole and the second cover guide hole, on the dispersion axle between two second hermetically-sealed constructions, be provided with first and disperse spindle guide hole and second to disperse the spindle guide hole; First cylindrical shell that inwall is the mountain font is with tubular disperser and analyse and observe the separator that is trapezoidal vertically and cooperate.
2. twin shaft grinding system according to claim 1 is characterized in that:
Said first disperses the spindle guide hole and the first cover guide hole to be on the same horizontal line, and second disperses the spindle guide hole and the second cover guide hole to be on the same horizontal line, and said first disperses spindle guide hole and second to disperse the spindle guide hole to be dislocatedly distributed up and down.
3. twin shaft grinding system according to claim 1 and 2 is characterized in that:
Said first hermetically-sealed construction and the second hermetically-sealed construction mechanical seal parts, wherein, said first hermetically-sealed construction comprise shift to install in cover inboard with disperse the axle outside two O-ring seals, the O-ring seal that is arranged at cover is positioned at another O-ring seal top; Said second hermetically-sealed construction comprise shift to install in disperse axle inboard with the declutch shaft outside two O-ring seals, the O-ring seal of being located at the declutch shaft outside is positioned to be arranged at and disperses a side-lower.
4. twin shaft grinding system according to claim 3 is characterized in that:
Said separation axocoel wall is provided with helical structure, and the ascent direction of this helical structure is identical with the declutch shaft rotation direction.
5. twin shaft grinding system according to claim 3 is characterized in that:
Disperseing also to be provided with cooling solvent delivery device between axle and the declutch shaft, this cooling solvent delivery device is arranged between two second hermetically-sealed constructions.
6. twin shaft grinding system according to claim 5 is characterized in that:
Said cooling solvent delivery device comprises to be located at the declutch shaft outside or to disperse the inboard circular spiral body of axle, matched in clearance between this conveyor screw and declutch shaft or the dispersion axle.
7. twin shaft grinding system according to claim 6 is characterized in that:
Said twin shaft grinding system also comprises heat-exchange device, and this heat-exchange device comprises the container of containing the cooling solvent, is provided with cylindricality helical form conduit in this container, on this container, is provided with two container joints that are communicated with the first cover guide hole and the second cover guide hole respectively.
8. twin shaft grinding system according to claim 7 is characterized in that:
Lead at the said first cover guide hole and container and to be provided with cooling solvent booster pump between the mouth.
9. according to claim 1,4,6 or 7 each described twin shaft grinding systems, it is characterized in that:
Said declutch shaft is provided with the connecting hole that connects disengagement chamber, and said separator is axially arranged with the gap that is connected grinding chamber and disengagement chamber with disperser.
10. twin shaft grinding system according to claim 9 is characterized in that:
Tubular disperser inboard is provided with and disperses a stationary annular convexity, and this protruding top contacts with the O-ring seal of second hermetically-sealed construction, and its underpart is provided with annular and is evenly distributed with a plurality of pilot holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210304924.1A CN102814216B (en) | 2012-08-26 | 2012-08-26 | Double-shaft grinding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210304924.1A CN102814216B (en) | 2012-08-26 | 2012-08-26 | Double-shaft grinding system |
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| Publication Number | Publication Date |
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| CN102814216A true CN102814216A (en) | 2012-12-12 |
| CN102814216B CN102814216B (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210304924.1A Active CN102814216B (en) | 2012-08-26 | 2012-08-26 | Double-shaft grinding system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1246359A (en) * | 1969-03-25 | 1971-09-15 | Draiswerke Gmbh | Improvements relating to grinding mills |
| GB1325835A (en) * | 1972-03-01 | 1973-08-08 | Bachofen Willy A Fa | Continuously operating agitator ball mill |
| EP1468739A1 (en) * | 2003-04-15 | 2004-10-20 | Willy A. Bachofen AG | Agitator ball mill |
| CN201419107Y (en) * | 2009-06-05 | 2010-03-10 | 陈波 | Grinding device |
| CN201969595U (en) * | 2010-12-25 | 2011-09-14 | 山东乐化漆业股份有限公司 | Vertical sand mill |
| CN202725266U (en) * | 2012-08-26 | 2013-02-13 | 向小月 | Double-shaft grinding system |
-
2012
- 2012-08-26 CN CN201210304924.1A patent/CN102814216B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1246359A (en) * | 1969-03-25 | 1971-09-15 | Draiswerke Gmbh | Improvements relating to grinding mills |
| GB1325835A (en) * | 1972-03-01 | 1973-08-08 | Bachofen Willy A Fa | Continuously operating agitator ball mill |
| EP1468739A1 (en) * | 2003-04-15 | 2004-10-20 | Willy A. Bachofen AG | Agitator ball mill |
| CN201419107Y (en) * | 2009-06-05 | 2010-03-10 | 陈波 | Grinding device |
| CN201969595U (en) * | 2010-12-25 | 2011-09-14 | 山东乐化漆业股份有限公司 | Vertical sand mill |
| CN202725266U (en) * | 2012-08-26 | 2013-02-13 | 向小月 | Double-shaft grinding system |
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| Publication number | Publication date |
|---|---|
| CN102814216B (en) | 2015-01-21 |
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Owner name: SHENZHEN BOYI CHEMICAL MACHINERY CO., LTD. Free format text: FORMER OWNER: XIANG XIAOYUE Effective date: 20150603 |
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Effective date of registration: 20150603 Address after: 518000 Shenzhen City, Baoan District Province, Songgang street, hung tau tau community under the water surrounding industrial zone, building 7, the second floor of the city of Guangdong Patentee after: Shenzhen Boyee Chemical Machinery Co., Ltd Address before: A group of 441700 Xiangfan City, Hubei province Gucheng County Miao Tan Zhen Xiong Jia Ying Cun Patentee before: Xiang Xiaoyue |
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Address after: 518000 Shenzhen City, Baoan District Province, Songgang street, hung tau tau community under the water surrounding industrial zone, building 7, the second floor of the city of Guangdong Patentee after: Boyi (Shenzhen) Industrial Technology Co., Ltd. Address before: 518000 Shenzhen City, Baoan District Province, Songgang street, hung tau tau community under the water surrounding industrial zone, building 7, the second floor of the city of Guangdong Patentee before: Shenzhen Boyee Chemical Machinery Co., Ltd |