CN101966479A - Vertical roll grinder - Google Patents
Vertical roll grinder Download PDFInfo
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- CN101966479A CN101966479A CN 201010505615 CN201010505615A CN101966479A CN 101966479 A CN101966479 A CN 101966479A CN 201010505615 CN201010505615 CN 201010505615 CN 201010505615 A CN201010505615 A CN 201010505615A CN 101966479 A CN101966479 A CN 101966479A
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Abstract
The invention relates to a vertical roll grinder, comprising a frame, an upper body, a middle body, a lower body, a spindle, a bearing support, a millstone, a grinding roller, a rocker arrangement, a rocker-arm support, a pressure device, a gap adjusting device; wherein the millstone is arranged above the spindle and located in the middle body, the spindle is arranged on the bearing support by a bearing; the grinding roller is arranged below the rocker arrangement by the bearing and located above the rocker arrangement or in the millstone; the rocker arrangement is arranged on the rocker-arm support by a hinged shaft and can rotate round the hinged shaft; a force application end of the pressure device is in flexible connection with the rocker arrangement; the bearing support or the lower body is provided with through holes for materials to pass through; a discharge hole or a slag discharge hole is arranged below the bearing support or the lower body; and the pressure device is composed of a thrust augmentation rod or a rope, a pulley block composed of a steel wire rope and a pulley wheel, a weight pressurization cushioning device and a loading weight or is composed of the steel wire rope, the weight pressurization cushioning device and the loading weight. The invention features wide adjustable range of grain size of ground materials, good adaptability to the materials, simple structure of the pressure device and low fault rate.
Description
Technical field
The present invention relates to a kind of disintegrating apparatus, particularly, relate to a kind ofly do, wet dual-purpose, material is rolled the vertical roll type pulverizer of pulverizing by crushing medium.
Background technology
Pulverizing comprises grinding and fragmentation, is rolled the crush force source of the roller pulverizer of pulverizing by crushing medium from material, mainly contains four classes: the one, and gravity is as stone roller, the edge runner that ancient times, manpower or animal power drove; The 2nd, the centrifugal force that rotation produces is as Raymond machine, centrifugal hoop grinding machine; The 3rd, spring force is as double-roll crusher; The 4th, hydraulic coupling is as vertical mill, high pressure roller machine etc.
Edge runner utilizes grinding roller gravity comminuting matter, has simple in structurely, reliable, and roller pressure is constant and do not change the characteristics change with thickness of feed layer, but limited because of gravity, crush force is less, and crush efficiency is low.
Raymond machine is a kind of Suspension roller flour mill, drives the Burnisher apparatus rotation by the plum blossom frame, when material feeds between grinding roller and the bull ring by perching knife, is rolled fragmentation by grinding roller.This type of flour mill, grinding roller had not only revolved round the sun but also rotation, and bearing easily advances ash and damages, and reliability is low.
Double-roll crusher generally adopts spring force to come comminuting matter, and when meeting the thickness of feed layer variation, spring stretching or decrement are just inequality, and roller pressure changes, and can not avoid the impact of loading generation suddenly simultaneously.
Vertical Mill and high pressure roller mill, generally all adopt hydraulic jack that grinding roller is pressurizeed grinding material, when grinding roller runs into metallic foreign body or material particles size variation or thickness of feed layer variation, the bed of material is just unstable, hydraulic jack cushions by oil return to accumulator, but accumulator gas is compressed, and makes also that roller pressure is excessive and produce to impact; Adopt hydraulic pressure and automatically controlled combination,, can not effectively prevent to make the work system instability owing to grinding roller pressure changes because the reaction time lags behind.
People generally believe, the said equipment is material to be placed between the crushing medium (between grinding roller and mill, or between grinding roller and the grinding roller) rolled, because bed of material extruding and being pulverized.
Sweet foundation has proposed differential shearing principle and Mathematical Modeling that high pressure roller is pulverized by research and practice, and has published paper in China's " mechanical engineering journal " on the 44th the 3rd phase of volume of March in 2008.For making high pressure roller machine grinding power constant, working stability, parts are not fragile, the sweet foundation applied for " extruding flour mill " patent (publication number CN2431956A) in 2000.06.08, this extruding flour mill has the spreading running roller that two constant speed are rotated in opposite directions, load the boosting function of pouring weight by linkage and pulley mechanism, make that the pressure between two running rollers can be above 100 tons, pulverize required primary condition to obtain lamination, this device structure is simple, and cost is low, and fault rate is low, working service is convenient, the mill efficiency height.But when thickness of feed layer between two rollers changes or foreign matter is arranged, because roll gap changes, make the pulley room variable in distance, move up and down thereby make steel wire rope drive the loading pouring weight, when unexpected loading, because acceleration is big, grinding power also can increase suddenly.So, the sweet foundation applied for " pouring weight loaded buffering mechanism " patent (publication number CN1712137) in 2005.07.11, technical scheme is: left connecting rod and right connecting rod one end are in a symmetrical arrangement hinged with frame respectively, the other end is hinged with upper left connecting rod and upper right connecting rod one end by left side axle and right axle respectively, be respectively equipped with left chain wheel and right pulley on described left side axle and the right axle, the described upper left connecting rod and the upper right connecting rod other end are hinged with the spring assembly that is located on the described frame by axis.This pouring weight loaded buffering mechanism is no matter that a kind of acceleration is much, make a concession and recuperation in, always active force acts on the load maintainer and simple in structure, with low cost, dependable performance, easily manufactured pouring weight loaded buffering mechanism with a steady state value.This invention is applied to push flour mill, can adopt the pouring weight loaded buffering mechanism of train reinforcement to pressurize, voltage stabilizing and pressure regulation, make roller pressure constant, neither resemble consumption of power the hydraulic pressure, also avoid main motor load to change, even grinding roller is when running into metallic foreign body or material particles size variation or thickness of feed layer and change in a big way, all the time can keep roller pressure constant, can not resemble and produce impact hydraulic jack or the spring energized device, make job insecurity, even damage Hydraulic Elements, grinding roller bearing, reductor etc.Therefore, adopt the extruding flour mill of pouring weight loaded buffering mechanism, has simple in structure, the reliable operation of pressue device, characteristics such as machine-spoiled rate is low, but still there is following defective in it: it is little to go out grind materials granularity adjustable range, go out grind materials for the material cake, can not directly prepare fine powder by on machine, adding grader, can not grind granular material; Material adaptability is relatively poor: can only grinding than dry material, be not suitable for wet grinding.
CN101507937 discloses " a kind of vertical rotary mill ", it comprises support, main shaft, the support of bearing, mill, grinding roller, rocker arrangement, pressue device, slack adjuster, mill is assemblied in the main shaft top and is arranged in body, spindle mounted is on the support of bearing, the support of bearing is fixed on the lower body, and upper machine body or middle body or lower body are fixed on the support; Grinding roller is assemblied in rocker arrangement below and is positioned at mill by bearing; rocker arrangement is assemblied on the rocker arm bracket by hinge; rocker arm bracket is fixed or movable to be installed on the upper machine body; the force side of pressue device flexibly connects with rocker arrangement; upper machine body have allow rocker arrangement by and the through hole of swing; slack adjuster is installed in upper machine body and rocker arrangement or/and between the rocker arm bracket, be provided with charging aperture above the upper machine body; The support of bearing or lower body have the through hole that allows material to pass through, and the below of the support of bearing or lower body is provided with discharging opening.These invention medium wearing and tearing are little, and power consumption is low, can be used for dry type or wet type fine grinding or pre-grinding.But this invention pressue device is not to adopt weight to load, do not mention that weight loads buffer unit yet, can not effectively prevent equipment dependability problem because of the bed of material changes or the foreign matter effect causes the grinding power variation suddenly on the grinding roller, the material behind the grinding is not directly carried out classification, to obtain the function of fine powder yet.
Summary of the invention
The objective of the invention is to, provide a kind of pressue device simple in structure, it is wide to go out grind materials granularity adjustable range, the vertical roll type pulverizer good to material adaptability.
The objective of the invention is to be achieved through the following technical solutions, it comprises support, upper machine body, middle body, lower body, main shaft, the support of bearing, mill, grinding roller, rocker arrangement, rocker arm bracket, pressue device, slack adjuster, described mill is assemblied in the main shaft top and is arranged in body, main shaft is assemblied on the support of bearing by bearing, the support of bearing is fixed on the lower body or with lower body and makes an integral body, upper machine body, middle body and lower body is fastened to each other is connected, upper machine body or middle body or lower body are fixed on the support or form one with it; Grinding roller is assemblied in rocker arrangement below and is positioned at top or mill by bearing; rocker arrangement is assemblied on the rocker arm bracket by hinge; rocker arrangement can rotate around hinge; rocker arm bracket is fixed or movable to be installed on the body; the force side of pressue device flexibly connects with rocker arrangement; body have allow rocker arrangement by and the through hole of swing, the slack adjuster between grinding roller and the mill is installed in upper machine body and rocker arrangement or/and between the rocker arm bracket, be provided with charging aperture above the upper machine body; The support of bearing or lower body have the through hole that allows material or waste residue to pass through, and the below of the support of bearing or lower body is provided with discharging opening or slag-drip opening, can discharge the dried or wet material behind the grinding, or deslagging or foreign matter; Also can below mill, set up air inlet, set up clasfficiator in the upper machine body, clasfficiator top is provided with the fine powder outlet makes qualified fine powder after the classification outside clasfficiator top discharge machine, falls to mill than the coarse granule material in the gravity effect and refaces, and foreign matter that can not grind or hard material are discharged from slag-drip opening; It is characterized in that: assembly pulley, the weight pressurization buffer unit that pressue device is formed by boosting-rod or rope, by steel wire rope and pulley and add loads and forms, perhaps by pressurize buffer unit and add loads and form of steel wire rope, weight.
Described grinding roller is by constituting more than two, and symmetry or even the layout are so that mill is stressed evenly.
The weight pressurization buffer unit of described pressue device preferably adopts CN1712137A disclosed " pouring weight loaded buffering mechanism ": left connecting rod and right connecting rod one end are in a symmetrical arrangement hinged with frame respectively, the other end is hinged with upper left connecting rod and upper right connecting rod one end by left side axle and right axle respectively, be respectively equipped with left chain wheel and right pulley on described left side axle and right axle, the described upper left connecting rod and the upper right connecting rod other end are hinged with the spring assembly that is located on the described frame by axis.Also can adopt other buffer gear.
The described loads that adds can replace with hydraulic means or pneumatic shuttle.
During work, transmission device drives the main axis rotation that is assemblied on the support of bearing, thereby mill and liner plate are rotated with main shaft, after material enters grinding machine from charging aperture, mill centrifugal action lower edge mill in rotation climbs up, grinding roller rotation and roll the up material that climbs in the mill under the material drag effect, the dried or wet material after being rolled by grinding roller overflows mill, under himself gravity effect outside discharging opening is discharged to machine.In below mill, setting up air inlet, upper machine body, set up when the fine powder outlet is set above clasfficiator, the clasfficiator, qualified fine powder after the classification is outside clasfficiator top discharge machine, fall to mill than coarse granule in the gravity effect and reface, foreign matter that can not grind or hard material are discharged from slag-drip opening.
Compare with grinding machine with existing other kibbler roll, the present invention has the following advantages: it is wide to go out grind materials granularity adjustable range, adaptability to material is strong: both can pulverize the acquisition granular material, also but grinding, classification directly obtain fine powder, slag-drip opening also can be without scraper plate deslagging, can also obtain ore pulp; Pressue device is simple in structure, reliable operation, and fault rate is low.
Description of drawings
Fig. 1 is the structural representation of one embodiment of the invention;
Fig. 2 is the structural representation of another embodiment of the present invention;
Fig. 3 is the structural representation of further embodiment of this invention.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
Embodiment 1
With reference to Fig. 1, present embodiment comprises support 12, upper machine body 9, middle body 13, lower body 11, main shaft 3, the support of bearing 2, mill 4, grinding roller 7; rocker arrangement 5; rocker arm bracket 6; pressurization buffer unit 15; slack adjuster 14; liner plate 16 is set so that the wearing and tearing back is changed at mill 4 inwalls; also can be; mill 4 is assemblied in main shaft 3 tops and is arranged in body 12; main shaft 3 is assemblied on the support of bearing 2 by bearing; the support of bearing 2 is fixed on and forms an integral body on the lower body 11; main shaft 3 that is assemblied on the support of bearing 2 is affixed with belt pulley 1; upper machine body 9; middle body 13 and 11 fastened to each other connections of lower body directly at mill 4 inner wall overlayings, lower body 11 forms one with support 12; Grinding roller 7 is assemblied in rocker arrangement 5 belows and is positioned at mill 4 by bearing; rocker arrangement 5 is assemblied on the rocker arm bracket 6 by hinge; rocker arm bracket 6 activities (removable) are installed on the upper machine body 9; pressurization buffer unit 15 is a constant voltage mechanism; its force side is connected with pulley by steel wire rope with rocker arrangement 5; other end connects by steel wire rope and adds loads; can adjust the grinding power of grinding roller by regulating loading weight of heavy or power; not only can play pressurization by pressurization buffer unit 15, also can reduce the vibration of grinding machine; Upper machine body 9 have allow rocker arrangement 5 by and the through hole of swing, slack adjuster 14 is installed between upper machine body 9 and the rocker arrangement 5, can regulate gap between grinding roller 7 and the liner plate 16 by the swing mobile and rocker arrangement 5 of rocker arm bracket 6; Upper machine body 9 tops are provided with charging aperture 8.
During work, transmission device belt pulley 1 drives main shaft 3 rotations that are assemblied on the support of bearing 2, thereby make mill 4 with main shaft 3 rotations, after material enters grinding machine from charging aperture 8, drop on the middle part of mill 4, at the uniform velocity Xuan Zhuan mill 4 utilizes centrifugal force that material is evenly let go, mill 4 action of centrifugal force lower edge liner plates 16 in rotation climb up, 7 pairs of the grinding rollers up material that climbs rolls, thereby reach the effect of grinding, the material that is rolled behind the grinding by grinding roller 7 overflows mill 4, under the gravity effect, by lower body 11, be discharged to outside the machine from discharging opening 10.Present embodiment can obtain to grind qualified finished product, and the outer back of the machine of also can discharging forms the circle streaming system by powder concentrator or sieve etc., both can be used for the dry type grinding, also can be used for the wet type grinding.
With reference to Fig. 2, present embodiment is set up on the basis of embodiment 1: the one, drive air port 202 at middle body 13; The 2nd, on the top of upper machine body 9 clasfficiator 201 is installed.Ventilate in grinding machine by air inlet 202, the material that makes the process grinding is when overflowing mill 4, and quilt wind from bottom to top rises, and takes to and carry out classification in the clasfficiator 201, qualified fine powder is discharged from the outlet of clasfficiator 201, and bulky grain returns mill again and continues grinding; The large granular materials that is not blown up or other foreign matter through lower body 11, are discharged from slag-drip opening 10, and the foreign matter of avoiding sneaking in the material causes secondary to destroy to grinding machine; When material need be dried, can pass through air inlet 202, in grinding machine, feed hot blast.Surplus with embodiment 1.Present embodiment is a kind of vertical mill with clasfficiator, can directly obtain qualified fine powder, is fit to grinding than dry material, also can come grinding than wet stock by advance hot blast from air inlet.
With reference to Fig. 3, present embodiment is a kind of improvement project to embodiment 2, changes the pressue device of embodiment 1 and the connection of rocker arrangement 5 into a shared cover running block 17, and a pair of grinding roller is as long as a cover buffer unit makes system simplification.All the other means, function, effect are basic identical with embodiment 2.
Claims (3)
1. vertical roll type pulverizer, comprise support, upper machine body, middle body, lower body, main shaft, the support of bearing, mill, grinding roller, rocker arrangement, rocker arm bracket, pressue device, slack adjuster, described mill is assemblied in the main shaft top and is arranged in body, main shaft is assemblied on the support of bearing by bearing, the support of bearing is fixed on the lower body or with lower body and makes an integral body, upper machine body, middle body and lower body is fastened to each other is connected, upper machine body or middle body or lower body are fixed on the support or form one with it; Grinding roller is assemblied in rocker arrangement below and is positioned at top or mill by bearing; rocker arrangement is assemblied on the rocker arm bracket by hinge; rocker arrangement can rotate around hinge; rocker arm bracket is fixed or movable to be installed on the body; the force side of pressue device flexibly connects with rocker arrangement; body have allow rocker arrangement by and the through hole of swing, the slack adjuster between grinding roller and the mill is installed in upper machine body and rocker arrangement or/and between the rocker arm bracket, be provided with charging aperture above the upper machine body; The support of bearing or lower body have the through hole that allows material or waste residue to pass through, and the below of the support of bearing or lower body is provided with discharging opening or slag-drip opening; It is characterized in that assembly pulley, the weight pressurization buffer unit that pressue device constitutes by boosting-rod or rope, by steel wire rope and pulley and add loads and forms is perhaps by pressurize buffer unit and add loads and form of steel wire rope, weight.
2. vertical roll type pulverizer as claimed in claim 1, it is characterized in that, the left connecting rod and right connecting rod one end of described weight pressurization buffer unit are in a symmetrical arrangement hinged with frame respectively, the other end is hinged with upper left connecting rod and upper right connecting rod one end by left side axle and right axle respectively, be respectively equipped with left chain wheel and right pulley on described left side axle and right axle, the described upper left connecting rod and the upper right connecting rod other end are hinged with the spring assembly that is located on the described frame by axis.
3. vertical roll type pulverizer as claimed in claim 1 or 2 is characterized in that, the described loads that adds replaces with hydraulic means or pneumatic shuttle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010505615 CN101966479A (en) | 2010-10-13 | 2010-10-13 | Vertical roll grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010505615 CN101966479A (en) | 2010-10-13 | 2010-10-13 | Vertical roll grinder |
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| CN101966479A true CN101966479A (en) | 2011-02-09 |
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| CN 201010505615 Pending CN101966479A (en) | 2010-10-13 | 2010-10-13 | Vertical roll grinder |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102784703A (en) * | 2011-05-15 | 2012-11-21 | 盐城吉达环保设备有限公司 | Serially-connected grinding technology and equipment thereof |
| CN103394396A (en) * | 2013-08-20 | 2013-11-20 | 湖南中宏重型机器有限公司 | Spring-catch mechanism for adjusting distance between hammer wheel and milled ring of vertical ring mill |
| CN103639017A (en) * | 2013-11-25 | 2014-03-19 | 无锡睿网科技有限公司 | Flour mill |
| CN103691519A (en) * | 2013-12-05 | 2014-04-02 | 铜陵晟王铁路装备股份有限公司 | Gravity loading mechanism of high pressure extrusion mill |
| CN103691518A (en) * | 2013-12-05 | 2014-04-02 | 铜陵晟王铁路装备股份有限公司 | Pressurizing device of high-pressure extrusion mill |
| CN104226424A (en) * | 2013-06-18 | 2014-12-24 | 王华业 | Material discharging device of roller mill |
| CN105170245A (en) * | 2015-10-28 | 2015-12-23 | 重庆大业新型建材集团有限公司 | Cobblestone shaper |
| CN112156852A (en) * | 2020-10-13 | 2021-01-01 | 南京凯盛国际工程有限公司 | Vertical mill for producing machine-made sand |
| CN112156856A (en) * | 2020-10-13 | 2021-01-01 | 南京凯盛国际工程有限公司 | Vertical mill for sand making |
| CN112871452A (en) * | 2021-01-22 | 2021-06-01 | 安徽马钢张庄矿业有限责任公司 | Primary screen structure for automatic continuous material distribution of high-pressure roller grinding system and use method thereof |
| CN113399062A (en) * | 2021-05-17 | 2021-09-17 | 浙江威肯特智能机械有限公司 | Asphalt pump with adjustable grinding mechanism |
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| CN2778385Y (en) * | 2005-03-01 | 2006-05-10 | 陆福才 | Vertical roller grinding machine for super-fine powder |
| CN101507937A (en) * | 2009-03-25 | 2009-08-19 | 湖南广义科技有限公司 | Vertical rotary mill |
| CN101722083A (en) * | 2008-10-14 | 2010-06-09 | 王华业 | Grinding method and grinding device |
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2010
- 2010-10-13 CN CN 201010505615 patent/CN101966479A/en active Pending
Patent Citations (5)
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| JPH07222935A (en) * | 1994-02-16 | 1995-08-22 | Babcock Hitachi Kk | Fine grinding roller mill and low vibration grinding treatment method using the same |
| CN2778385Y (en) * | 2005-03-01 | 2006-05-10 | 陆福才 | Vertical roller grinding machine for super-fine powder |
| CN1712137A (en) * | 2005-07-11 | 2005-12-28 | 甘建国 | Pouring weight loaded buffering mechanism |
| CN101722083A (en) * | 2008-10-14 | 2010-06-09 | 王华业 | Grinding method and grinding device |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102784703A (en) * | 2011-05-15 | 2012-11-21 | 盐城吉达环保设备有限公司 | Serially-connected grinding technology and equipment thereof |
| CN104226424A (en) * | 2013-06-18 | 2014-12-24 | 王华业 | Material discharging device of roller mill |
| CN103394396A (en) * | 2013-08-20 | 2013-11-20 | 湖南中宏重型机器有限公司 | Spring-catch mechanism for adjusting distance between hammer wheel and milled ring of vertical ring mill |
| CN103394396B (en) * | 2013-08-20 | 2015-08-12 | 湖南中宏重型机器有限公司 | Spring pin vertical type ring mill hammer rolling ring spacing governor motion |
| CN103639017A (en) * | 2013-11-25 | 2014-03-19 | 无锡睿网科技有限公司 | Flour mill |
| CN103691519A (en) * | 2013-12-05 | 2014-04-02 | 铜陵晟王铁路装备股份有限公司 | Gravity loading mechanism of high pressure extrusion mill |
| CN103691518A (en) * | 2013-12-05 | 2014-04-02 | 铜陵晟王铁路装备股份有限公司 | Pressurizing device of high-pressure extrusion mill |
| CN105170245A (en) * | 2015-10-28 | 2015-12-23 | 重庆大业新型建材集团有限公司 | Cobblestone shaper |
| CN105170245B (en) * | 2015-10-28 | 2018-01-26 | 重庆大业新型建材集团有限公司 | Stone trimmer |
| CN112156852A (en) * | 2020-10-13 | 2021-01-01 | 南京凯盛国际工程有限公司 | Vertical mill for producing machine-made sand |
| CN112156856A (en) * | 2020-10-13 | 2021-01-01 | 南京凯盛国际工程有限公司 | Vertical mill for sand making |
| CN112871452A (en) * | 2021-01-22 | 2021-06-01 | 安徽马钢张庄矿业有限责任公司 | Primary screen structure for automatic continuous material distribution of high-pressure roller grinding system and use method thereof |
| CN112871452B (en) * | 2021-01-22 | 2023-09-01 | 安徽马钢张庄矿业有限责任公司 | Primary screening structure for automatic continuous cloth of high-pressure roller grinding system and use method of primary screening structure |
| CN113399062A (en) * | 2021-05-17 | 2021-09-17 | 浙江威肯特智能机械有限公司 | Asphalt pump with adjustable grinding mechanism |
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Application publication date: 20110209 |