CN2675259Y - Pulverizing apparatus - Google Patents

Abstract

The utility model relates to a pulverizing apparatus with the functions of disintegration, pulverization and agitation. The pulverizing apparatus comprises an outer barrel, an inner barrel arranged at the bottom of the inner cavity of the outer barrel, and the driving devices of the inner and outer barrels, wherein two ends of the pivot shaft of the inner barrel is hinged on a regulating pull rod; a polarization shaft is arranged in the inner barrel; the output ends of the driving devices are respectively connected with the pivot shaft of the inner barrel and the polarization shaft; a row of material stirring colters arranged along the axial direction is arranged between the outer barrel and the inner barrel; the middle part of each colter is hinged on a cutter shaft, and the upper part of each colter is hinged on a colter pull rod. The inner barrel of the utility model is operated in the way of strong vibration and has rolling and sliding motions. The utility model has remarkable grinding effect, higher crushing efficiency, and better quality.

Description

Grinding device

Technical field

The utility model belongs to the size reduction machinery field, particularly a kind of grinding device that has pulverizing, grinding and agitating function concurrently.

Background technology

Existing pulverizer has various ways such as hammer, crocodile formula, pair roller, rolling, these machines also all have certain effect that mixes, but be limited to its version, the process that mixes is shorter, mix abundant inadequately, particularly when desiring mixed material proportion and moisture content difference when big (as flyash and shale), it is poorer to puddle effect.In the above-mentioned existing pulverizer, except that the edge runner operating rate was low, remaining all utilized higher operating rate to reach the pulverizing purpose; Though edge runner speed is low, active wheel weight is very big.So these mechanical power consumptions are all higher.

The shape of some material particles is very big to the performance impact of its follow-up shaped article.With the edible flour is example, and the particle of low-speed rolled gained flour is slick and sly, and the wheaten food mouthfeel of producing is submissive, and the flour particle that smashes processing at a high speed has corner angle, and the wheaten food mouthfeel of producing is rough firmly.In the brick-making raw material preparation identical phenomenon is arranged also, for example, the raw material extrusion molding of twin rollers fragmentation is difficult, and the raw material extrusion molding rate that the low speed rolling is handled is higher.

Chinese patent CN1056640 discloses a kind of reducing mechanism, and it has an outer cylinder and places the interior roller of outer cylinder, and this roller is positioned at the bottom of outer cylinder, and material enters in the outer cylinder, is pulverized between cylinder and the roller outside.The roller of this reducing mechanism rotates around dead axle when work, so its major function is broken, and the effect of grinding and mixing is relatively poor, particle after once pulverizing is thicker, so material needs circulation repeatedly to pulverize, and to obtain the thinner material of particle, the number of times that its circulation is pulverized must increase, thereby has strengthened the power consumption of producing.

Summary of the invention

Problem to be solved in the utility model is: provide a kind of and integrate pulverizing, grind and mix, and low in energy consumption, powder prepares effective grinding device.

The technical scheme that addresses the above problem is: the grinding device that is provided comprises the outer cylinder that is horizontally-arranged on the rack support roller, the interior cylinder that places outer drum cavity bottom and the drive unit of inside and outside cylinder.Special feature of the present utility model is that the pivot both ends of said interior cylinder are hinged on the adjustment pull bar, the other end of adjusting pull bar is hinged on the frame, in interior cylinder, be equipped with can be mutually the internal polarization axle that rotates of cylinder, the output of drive unit links with interior cylinder pivot and polarization axle respectively by tape handler, what be equipped with between cylinder and the interior cylinder outside that a row arranges vertically stirs the material colter, the middle part of each colter is hinged on the cutter shaft, and its upper articulation is on the colter pull bar.

The drive material tumbled downwards again after up along the inwall of tube when outer cylinder rotated, wherein the material of larger particles tumbles far, rolls fracture area by the vibroroller cmpacting fragmentation in entering under the cylinder, and thinner particle major part does not enter and rolls fracture area, this just makes crushing efficiency improve, and power consumption reduces; In addition, interior cylinder and outer cylinder inscribe, it is less that material enters the wedging angle of fracture area, also can improve crushing efficiency greatly.The position of interior cylinder, when departing from the swift perpendicular bisector slightly, can be more contact with the material that is broken, this position is controlled with the adjustment pull bar.

Outer cylinder can be horizontally disposed, arranges but also discharge end is low slightly.Generally speaking, horizontally disposed more convenient.The effect of colter is that materials overturning is stirred, and passes to discharge end.

Above-mentioned outer cylinder can be made of multilayer, and wherein innermost layer is a hard, wear-resistant cast iron, and skin is the steel plate reel, and the intermediate layer is a concrete layer.

Compared with prior art, because cylinder is to move in the mode of brute force vibration in of the present utility model, and has concurrently and roll and slide two kinds and move, its grinding effect is more remarkable, and not only crushing efficiency is higher, and quality is better.In addition, can adjust the angle of inclination of colter, thereby can adjust direction and speed that material is passed easily, reach the purpose of adjusting production capacity by the colter pull bar.

Description of drawings

Fig. 1 is the structure chart of the utility model first embodiment.

Fig. 2 is the sectional side elevation of Fig. 1.

Fig. 3 is the structure distribution figure that stirs colter among Fig. 1.

Fig. 4 is the structure chart of the utility model second embodiment.

The specific embodiment

As Fig. 1, Fig. 2 and shown in Figure 3: outer cylinder 1 places on the support roller 4, on the axle 41 of supporting rollern 4 sprocket wheel 42 is housed, and links through the output shaft of driving chain and reductor 5.The two ends of outer cylinder 1 are respectively equipped with charging aperture 6 and discharging opening 7.Interior cylinder 2 places the bottom of outer cylinder 1, and an end of its pivot 21 is equipped with sprocket wheel, and the other end by driving chain and reductor 5 output shafts links.In interior cylinder 2 suit a polarization axle 22 that plays the exciting effect, an end 23 of polarization axle 22 stretches out interior cylinder, and links by the output shaft of belt gear and motor 51.The linear velocity of cylinder is a little more than the linear velocity of swift inwall in being in operation, and this particle that helps being broken enters and rolls fracture area.The both ends of interior cylinder pivot 21 are hinged on to be adjusted on the pull bar 24, and the other end of pull bar 24 is hinged on the frame, so interior cylinder also can be done small size swing when rotating, to satisfy the requirement of exciting.The length of adjusting pull bar 24 adopts helical structure to regulate, and can adjust the position of interior cylinder by adjusting pull bar 24, to adapt to the broken requirement of different materials.Interior cylinder 2 and outside also be provided with a row between the cylinder 1 and stir material colter 3, the middle part of each colter is hinged on the cutter shaft 31, its upper articulation can change the angle of inclination of colter 3 by control operating rod 32 on colter pull bar 32.The manipulation of pull bar 32 has multiple mode, as: directly push-and-pull, alignment pin location; Spiral push-and-pull etc.This example has adopted leverage, and promptly an end of pull bar 32 is hinged on (referring to Fig. 3) on the lever 33.When carrying out batch (-type) when puddling grinding, can in setting-up time, adjust coulter angle repeatedly, material is moved back and forth, puddle until reaching, discharging after the grinding target; When carrying out continous way when puddling grinding, coulter angle is fixed on setting value, then can produce continuously with given pace.

Some need be adopted selection by winnowing by the final size of comminuting matter when thin, and some is needed oven dry by comminuting matter.For this reason, the two ends of cylinder 1 can be provided with closed end cap 10 outside, are respectively equipped with air inlet 8 and air outlet 9 on the end cap 10, as shown in Figure 3.For example, during with the wheat abrasive dust, can connect the pump drainage blower fan at air outlet 9, air inlet 8 communicates with atmosphere, at this moment the flour that pulverizes of the interior cylinder that is vibrated by brute force can swash and spatters, fly in the cylinder, be sucked out the filter collection through air outlet 9, this method can obtain the flour meticulousr than screening technology (being commonly called as Semen Tritici aestivi).Again for example, when processing is higher than the material of regulation moisture content, can insert the hot-air seasoning material at air inlet 8.This drying mode is to contact with hot blast under the state that the material that is dried constantly rolls, and can improve rate of drying greatly.When processing is lower than the material of regulation moisture content, can in fragmentation, finish the humidification homogenizing by spraying into water smoke in the air inlet 8 outside cylinders.

When being suitable for screening by the final size of comminuting matter, the discharge end of cylinder 1 is provided with one section sieve plate 71 outside.

Pass to the frame basis of this grinding device in order to reduce vibration, the outer ring of supporting rollern 4 is an elastomer.

Multiple devices in the alternative traditional handicraft of present embodiment, and low in energy consumption, the efficient height.With the heavy clay industry is example, in traditional brickmaking technology, if make raw material with shale, generally needs three road twin rollers and two mixers, and when using this grinding device, only needs two, and total installed capacity power can reduce half.Particularly when a large amount of flyash of admixture in the shale raw material, owing to flyash is dried, diffusing, light, and shale wets, glues, weighs, after traditional this three rollers two stir PROCESS FOR TREATMENT, also can there be a large amount of flyash caking and shale clod in the material, can not reach desirable homogenizing.And when adopting this grinding device to handle, ball grains can being fallen into after the colter upset of repeated multiple times roll fracture area, and it is rolled, squeezes and rub and make its homogenizing.Be processed as example with flour again, adopt many bench rollers grinding machine and screening machine combination in the existing flour technology, following road roller mill is handled tailing over of upper track roller mill.General flour production line all adopts process sequence row from high to low to put many bench rollers grinding machine, also frame type storied house need be set; In addition, roller mill adopts two rollers at a high speed to revolving, and speed difference is arranged, thereby " cutting " goes out angular particle, and the process temperature is higher, and is also influential to flower characters.If adopt this grinding device, the not only few corner angle of flour particle, and the temperature effect that does not have high-speed motion to bring, flower characters is higher.Particularly adopt the alternative many bench rollers grinding machine of a playscript with stage directions grinding device, not only reduce investment, reduce power, can also carry out technology arrangement, reduce factory building and establish money with planar fashion.

Second embodiment of the present utility model as shown in Figure 4.Internal trolley tube 25 is a plurality of, connects with flexible connection 11 or universal coupling 12 between the cylinder and between the polarization axle 26 of interior cylinder in each, and other is identical with embodiment one.When productivity ratio was had relatively high expectations, cylinder might be longer, and long interior cylinder is built on stilts by bigger particle sometimes, and the interior cylinder that adopts this multistage to connect can be avoided the generation of this phenomenon.

Claims (7)

1, a kind of grinding device, comprise the outer cylinder (1) that is horizontally-arranged on the rack support roller, place the interior cylinder (2 of outer cylinder (1) intracavity bottom, 25) and in, the drive unit of outer cylinder, it is characterized in that said interior cylinder (2,25) pivot (21) both ends are hinged on to be adjusted on the pull bar (24), the other end of adjusting pull bar (24) is hinged on the frame, at interior cylinder (2,25) be equipped with in can be mutually internal cylinder (2,25) polarization axle (22 of Zhuan Donging, 26), the output of drive unit by tape handler respectively with interior cylinder pivot (21) and polarization axle (22,26) link, stirring of one row arrangement vertically is housed between cylinder and the interior cylinder outside expects colter (3), the middle part of each colter is hinged on the cutter shaft (31), and its upper articulation is on colter pull bar (32).

2, grinding device as claimed in claim 1 is characterized in that said internal trolley tube (25) for a plurality of, connects with flexible connection (11) or universal coupling (12) between the cylinder (25) and between the polarization axle (26) of interior cylinder in each.

3, grinding device as claimed in claim 1 or 2 is characterized in that said outer cylinder (1) can be made of multilayer, and wherein innermost layer is a hard, wear-resistant cast iron, and skin is the steel plate reel, and the intermediate layer is a concrete layer.

4, grinding device as claimed in claim 1 or 2 is characterized in that the two ends of outer cylinder (1) are provided with closed end cap (10), is respectively equipped with air inlet (8) and air outlet (9) on the end cap (10).

5, grinding device as claimed in claim 1 or 2 is characterized in that the discharge end of outer cylinder (1) is provided with one section sieve plate (71).

6, grinding device as claimed in claim 3 is characterized in that the two ends of outer cylinder (1) are provided with closed end cap (10), is respectively equipped with air inlet (8) and air outlet (9) on the end cap (10),

7, grinding device as claimed in claim 1 or 2, the outer ring that it is characterized in that said supporting rollern (4) is an elastomer.

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