CN205851051U - A kind of vertical centrifugal grinds disintegrating machine - Google Patents

Abstract

The utility model discloses a kind of vertical centrifugal and grind disintegrating machine, belong to grinding attachment field.It includes that frame, drive mechanism, removal device and centrifugal mill, drive mechanism and removal device are arranged in frame, and centrifugal mill is arranged on the top of removal device and is driven by drive mechanism, and the outside of centrifugal mill is covered with shaft screen, is covered with cylindrical cap outside shaft screen；Described removal device is provided with discharging channel, and the space between cylindrical cap and shaft screen connects with the discharging channel of removal device；The shape of cross section of described shaft screen is polygon, and it is provided above feed hopper；The center of described centrifugal mill upper surface is provided with the bellmouth that opening is up big and down small, and its hole wall surrounding is evenly arranged with abrasion-proof rib.This utility model is by improving the structure of centrifugal mill and screen cloth so that screen cloth is at short transverse even wearing, and the satisfactory material of particle diameter can pass through screen cloth, is difficult to get stuck, thus improves Grinding Quality, efficiency, extension device service life.

Description

A kind of vertical centrifugal grinds disintegrating machine

Technical field

This utility model belongs to grinding attachment field, more particularly, it relates to a kind of vertical centrifugal grinds disintegrating machine.

Background technology

Powder body, as the necessary in a kind of industrial raw material and people's daily life, is applied to the most more and more widely The industries such as metallurgy, chemical industry, pottery, pigment, dyestuff, papermaking, food, medicine, cosmetics.At present, grinding attachment can by its purposes Being divided into two big classes, a class is to be applied to metal mine and non-metal mine Ore carries out the ore mill of ore grinding, mainly includes ball Grinding machine, rod mill, autogenous tumbling mill, pebble plain etc.；Another kind of is the fine grinding equipment for non-metallic products and chemical products, mainly has Tower mill, Ball-stirring mill, Raymond mill, centrifugal mill, vibromill and colloid mill etc..The former is mainly characterized by treating capacity greatly, ore grinding list Position low cost, mill speed is slow, the latter to be mainly characterized by treating capacity little, product is relatively thin, and ore grinding unit cost is high, mill speed Hurry up.

Vertical ore mill operation principle is to drive centrifugal mill to be ground crushing to mineral aggregate, through grinding by driving means Mill aggregate diameter is reached predefined size and can be collected by screen cloth.But, find in actual mechanical process its exist with Lower shortcoming:

(1) screening media is uneven: owing to producing in autogenous grinding motor process in the operating of centrifugal mill, under small particles material is positioned at Portion, under centrifugal action, mainly passes through from the bottom of screen cloth, relatively big to the abrasion of screen cloth lower impact, and Upper wear is less, Cause screen cloth in short transverse abrasion inequality, be substantially reduced screen cloth service life and screening effect；

(2) screen cloth gets stuck: owing to major part material passes through from screen cloth bottom, the unit interval interior inventory with screen contact The biggest, it is easy to cause screen cloth mesh to block, the phenomenon that gets stuck occurs；

(3) material particular diameter is less than screen cloth mesh: currently used screen cloth is cylindrical shape, and material throws away from centrifugal mill Rear anon-normal, to directive screen cloth, has and necessarily cuts angle, and causing material particles to be necessarily less than screen cloth mesh size could pass through, and The most easily get stuck.

Also employing agitator mill is had to carry out abrasive material, as Chinese Patent Application No. is: 200810233565.9, filing date: The patent documentation on November 14th, 2008, discloses a kind of vertical coaxial anticentripetal grinder, belongs to solid material grinding processing equipment, In particular for the broken Powdered vertical coaxial anticentripetal grinder of mineral powder.It is mainly by cylinder, frame, drive mechanism, guiding Mechanism, feeder and discharge mechanism composition, this grinding machine is to install a fixing Ore medium stream in the cylinder of vertical rotating Guiding mechanism, its effect is to destroy material and the centrifugal motion of medium stream, changes movement locus, produces strong impulsive force, cuts Shear force and mill stripping power, thus reach the effect of efficient ore grinding.This grinding machine can be used for corase grind it can also be used to fine grinding and Ultrafine Grinding, can For medium mill it can also be used to autogenous grinding, but its complicated structure, and abrasive efficiency is relatively low.

Summary of the invention

1, problem to be solved

In use occur that screening media inequality, screen cloth easily get stuck and obtained material for existing vertical ore mill The undesirable problem of particle diameter, this utility model provides vertical centrifugal to grind disintegrating machine, by centrifugal mill and screen cloth Structure is improved so that screen cloth is at short transverse even wearing, and the satisfactory material of particle diameter can pass through screen cloth, is difficult to card Material, thus improves Grinding Quality, efficiency, extension device service life.

2, technical scheme

For solving the problems referred to above, this utility model adopts the following technical scheme that.

A kind of vertical centrifugal grinds disintegrating machine, including discoid centrifugal mill；In described centrifugal mill upper surface The heart is provided with the bellmouth that opening is up big and down small；The hole wall surrounding of described bellmouth is evenly arranged with abrasion-proof rib.

As further improvement of the utility model, the tapering of described bellmouth is 90 °～150 °.

As further improvement of the utility model, the tapering of described bellmouth is 120 °.

As further improvement of the utility model, the profile of described abrasion-proof rib is strip or arc；Work as abrasion-proof rib Profile when being strip, its length direction is along the generatrix direction of bellmouth；When the profile of abrasion-proof rib is arc, it rotates Direction is identical with the rotation direction of centrifugal mill.

As further improvement of the utility model, also include frame, drive mechanism and removal device, drive mechanism and discharge Device is arranged in frame；Described centrifugal mill is arranged on the top of removal device and is driven by drive mechanism, centrifugal mill Outside is covered with shaft screen, is covered with cylindrical cap outside shaft screen；Described removal device is provided with discharging channel, the sky between cylindrical cap and shaft screen Between connect with the discharging channel of removal device；Described shaft screen is provided above feed hopper.

As further improvement of the utility model, the shape of cross section of described shaft screen is polygon.

As further improvement of the utility model, the shape of cross section of described shaft screen is regular pentagon, regular hexagon Or octagon.

As further improvement of the utility model, described drive mechanism includes motor, rotating shaft and bearing block；Described Rotating shaft is arranged in bearing block by bearing, and the upper end of rotating shaft is connected with centrifugal mill；Described motor is arranged on outside removal device In the frame of side, motor-driven rotatable shaft rotates.

As further improvement of the utility model, big belt wheel is installed in the lower end of described rotating shaft, the output shaft peace of motor Dress small pulley, big belt wheel and small pulley are connected by belt transmission.

As further improvement of the utility model, between described feed hopper and shaft screen, it is provided with transition bucket.

3, beneficial effect

Compared to prior art, the beneficial effects of the utility model are:

(1) existing centrifugal mill upper surface is plane, and material is thrown away by centrifugal mill disc spins, and material flies out direction base Originally being level, thus ground material all concentrates the bottom from screen cloth to pass, screen cloth lower impact is worn and torn relatively by material Greatly, and screen cloth top seldom has and passes through, and impact wear is the least, causes screen cloth in short transverse abrasion inequality, is substantially reduced screen cloth Service life and screening effect, and the biggest with the inventory of screen cloth lower contacts in the unit interval, it is easy to cause screen cloth net Hole plug, punishment in advance rate is low, the phenomenon that gets stuck easily occurs, and this utility model vertical centrifugal grinds disintegrating machine, by tying centrifugal mill Structure improves, and is provided with, at the center of centrifugal mill upper surface, the bellmouth that opening is up big and down small, and material gets rid of from centrifugal mill Going out rear movement locus is a parabola upwards, and the speed flown out due to material differs, thus with height during screen contact Degree is also different, and the whole short transverse along screen cloth has material to be distributed, thus to the impact of screen cloth with wear and tear relatively small, screen cloth Being not easy to get stuck, screening effect is good, the extension device life-span；Hole wall surrounding at bellmouth is uniformly arranged abrasion-proof rib, it is ensured that material Rotate with centrifugal mill, it is achieved material mutually clashes into friction, reach the effect of crushing grinding；

(2) this utility model vertical centrifugal grinds disintegrating machine, and the tapering of bellmouth is different, and material flies out the height that can reach Also different, in this equipment, control tapering is within 90 °～150 °, and the diameter and the required screen cloth that consider centrifugal mill are high Degree obtains, and is conducive to controlling instrument size and production cost, the most uniform in short transverse distribution when material flies out simultaneously；

(3) this utility model vertical centrifugal grinds disintegrating machine, and the profile of abrasion-proof rib is that strip or arc are according to actual need Select, use the abrasion-proof rib of arc to compare the mixing effect to material of strip more preferably, be more beneficial for mutually touching of material Hit friction, improve crushing grinding effect, and the time that material flies out between screen contact can be extended, be conducive to increasing material The height flown out；

(4) this utility model vertical centrifugal grinds disintegrating machine, adds material to be ground by feed hopper, pass through in shaft screen Drive mechanism drive shaft rotates, and drives centrifugal mill disc spins so that material produces autogenous grinding campaign, and material particular diameter reaches certain big I is passed in cylindrical cap from shaft screen, and is collected through the discharging channel of removal device, can according to material size adjust from Mental and physical efforts, change shaft screen according to required product granularity；

(5) in existing grinder, screen cloth is generally cylindrical, this kind of structural materials fly out from centrifugal mill after speed side To with screen cloth anon-normal to contacting, have and necessarily cut angle, raw meal particle size must ability smaller than screen cloth mesh by screen cloth, thus Cause obtained product granularity less than designing granularity, and easily get stuck, and this equipment uses shape of cross section to be polygonal Shaft screen, such as regular pentagon, regular hexagon or octagon, controls centrifugal speed of grinding plate, can make major part material and shaft screen Respective face almost perpendicular contact, thus the raw meal particle size filtered out is basically identical with the slot size of shaft screen, is i.e. consistent with design, Products obtained therefrom particle size uniformity is good；

(6) this utility model vertical centrifugal grinds disintegrating machine, and motor is arranged on the outside of removal device, it is simple to safeguard；

(7) this utility model vertical centrifugal grinds disintegrating machine, arranges transition bucket between feed hopper and shaft screen, protects charging Protect, prevent material from flying out from feed hopper and cause danger, also avoid the damage caused because shaft screen is clashed in charging simultaneously；

(8) this utility model vertical centrifugal grinding disintegrating machine, simple in construction, reasonable in design, it is easy to manufacture.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model；

Fig. 2 is A-A sectional view in Fig. 1；

Fig. 3 is the sectional structure schematic diagram of centrifugal mill in this utility model；

Fig. 4 is the plan structure schematic diagram of centrifugal mill in this utility model；

Fig. 5 is a kind of schematic diagram of shaft screen cross section in this utility model；

Fig. 6 is the another kind of schematic diagram of shaft screen cross section in this utility model.

In figure: 1, centrifugal mill；101, bellmouth；102, abrasion-proof rib；2, frame；3, feed hopper；4, shaft screen；5, cylinder Cover；6, removal device；7, motor；8, rotating shaft；9, bearing block；10, big belt wheel；11, small pulley；12, belt；13, transition bucket.

Detailed description of the invention

Below in conjunction with specific embodiments and the drawings, this utility model is further described below.

Embodiment 1

As shown in Figure 1 and Figure 2, a kind of vertical centrifugal of the present embodiment grinds disintegrating machine, including discoid centrifugal mill 1, Frame 2, drive mechanism and removal device 6；Wherein, drive mechanism and removal device 6 are arranged in frame 2, centrifugal mill 1 row of being arranged on Top inside glassware 6 being driven by drive mechanism is rotated, and the outside of centrifugal mill 1 is covered with shaft screen 4, is covered with outside shaft screen 4 Cylindrical cap 5, forms the space storing the material through shaft screen 4 sieve aperture between cylindrical cap 5 and shaft screen 4；Described removal device 6 sets Discharging channel, the space between cylindrical cap 5 and shaft screen 4 is had to connect with the discharging channel of removal device 6, being provided above of shaft screen 4 Feed hopper 3.

During use, in shaft screen 4, add material to be ground by feed hopper 3, drive centrifugal mill 1 to revolve by drive mechanism Turning so that material produces autogenous grinding campaign, material particular diameter grinding reaches a certain size and can be passed in cylindrical cap 5 from shaft screen 4, and Collected through the discharging channel of removal device 6, centrifugal force can be adjusted according to material size, according to the more creeling of required product granularity Sieve.

In the present embodiment, described drive mechanism includes motor 7, rotating shaft 8 and bearing block 9；Bearing block 9 is arranged on removal device The inner side of 6, rotating shaft 8 is arranged in bearing block 9 by bearing, and the upper end of rotating shaft 8 is connected with centrifugal mill 1, the lower end peace of rotating shaft 8 Fill big belt wheel 10；Described motor 7 is arranged in the frame 2 outside removal device 6, and the output shaft of motor 7 installs small pulley 11, greatly Belt wheel 10 and small pulley 11 are in transmission connection by belt 12, and motor 7 rotates for drive shaft 8.

In prior art, centrifugal mill 1 upper surface is plane, and centrifugal mill 1 rotates and thrown away by material, the material side of flying out To being substantially level, thus ground material all concentrates the bottom from screen cloth to pass, and screen cloth lower impact is ground by material Damaging relatively big, and screen cloth top seldom has and passes through, impact wear is the least, causes screen cloth in short transverse abrasion inequality, is substantially reduced Screen cloth service life and screening effect, and the biggest with the inventory of screen cloth lower contacts in the unit interval, it is easy to cause sieve Net mesh blocks, and punishment in advance rate is low, the phenomenon that gets stuck easily occurs.In the present embodiment, in order to solve the problems referred to above, as it is shown on figure 3, right Centrifugal mill 1 structure improves, and specifically, is provided with, at the center of centrifugal mill 1 upper surface, the bellmouth that opening is up big and down small 101, in shaft screen 4, material throws away rear movement locus from centrifugal mill 1 is a parabola upwards, the speed flown out due to material Degree differs, thus height when contacting with shaft screen 4 is the most different, and the whole short transverse along shaft screen 4 has material to be distributed, thus To the impact of shaft screen 4 with wear and tear relatively small, shaft screen 4 is not easy to get stuck, and screening effect is good, the extension device life-span；And in taper The centrally disposed boss in hole 101, it is to avoid material falls into bellmouth 101 bottom centre and causes the problem of material grinding effect difference, Also the structural strength of centrifugal mill 1 is improved；It addition, bellmouth 101 hole wall surrounding is evenly arranged with abrasion-proof rib 102, it is ensured that material Rotate with centrifugal mill, it is achieved material mutually clashes into friction, reach the effect of crushing grinding.

Further, throw away centrifugal mill 1 to height different when contact with shaft screen 4 surface according to material, control from The tapering of the bellmouth 101 of reduction dish 1, in the range of 90 °～150 °, is to consider the diameter of centrifugal mill 1 and required Shaft screen 4 diameter and highly obtaining, is conducive to controlling instrument size and production cost, in short transverse is distributed when material flies out simultaneously The most uniform, in the present embodiment, the tapering of this bellmouth 101 selects 120 °.Meanwhile, the profile of abrasion-proof rib 102 is strip Shape, material, along the generatrix direction of bellmouth 101, is stirred in centrifugal mill 1 rotation process, makes thing by its length direction Expect mutual collision friction, i.e. produce autogenous grinding campaign, reach grinding effect.

Embodiment 2

A kind of vertical centrifugal of the present embodiment grinds disintegrating machine, and substantially the same manner as Example 1, difference is: such as Fig. 4 Shown in, the profile of the abrasion-proof rib 102 on the hole wall of the bellmouth 101 of described centrifugal mill 1 is arc, its direction of rotation with from The rotation direction of reduction dish 1 is identical, uses the abrasion-proof rib 102 of arc to compare the mixing effect to material of strip more preferably, more Be conducive to the mutual collision friction of material, improve crushing grinding effect, and can extend between material flies out and contact with shaft screen 4 Time, be conducive to increasing the height that material flies out.

Embodiment 3

A kind of vertical centrifugal of the present embodiment grinds disintegrating machine, and substantially the same manner as Example 2, difference is, this reality Executing example to be improved the shape of shaft screen 4, the most as shown in Figure 5 and Figure 6, the shape of cross section of shaft screen 4 is polygon, preferably The shape of cross section of shaft screen 4 is regular pentagon, regular hexagon or octagon, selects regular hexagon in the present embodiment.

In existing grinder, screen cloth is generally cylindrical, this kind of structural materials fly out from centrifugal mill 1 after velocity attitude With screen cloth anon-normal to contacting, having and necessarily cut angle, raw meal particle size ability smaller than screen cloth mesh must pass through screen cloth, thus leads Product granularity obtained by cause is less than design granularity, and easily gets stuck, and this equipment uses shape of cross section to be polygonal cylinder Sieve 4, by controlling centrifugal mill 1 rotating speed, with the respective face almost perpendicular contact of shaft screen 4 major part material can be made to fly out after, Thus the raw meal particle size filtered out is basically identical with the slot size of shaft screen 4, is i.e. consistent with design, products obtained therefrom particle size uniformity Good.

Embodiment 4

A kind of vertical centrifugal of the present embodiment grinds disintegrating machine, and substantially the same manner as Example 3, difference is: giving It is provided with transition bucket 13 between hopper 3 and shaft screen 4, to charging protection, prevents material from flying out from feed hopper 3 and cause danger, simultaneously Also the damage caused because shaft screen 4 is clashed in charging is avoided.

Schematically being described this utility model and embodiment thereof above, this description does not has restricted, accompanying drawing Shown in be also one of embodiment of the present utility model, actual structure is not limited thereto.So, if this area Those of ordinary skill enlightened by it, creating in the case of objective without departing from this utility model, designing without creative The frame mode similar to this technical scheme and embodiment, all should belong to protection domain of the present utility model.

Claims (10)

1. vertical centrifugal grinds a disintegrating machine, including discoid centrifugal mill (1), it is characterised in that: described centrifugal mill The center of dish (1) upper surface is provided with the up big and down small bellmouth of opening (101)；The hole wall surrounding of described bellmouth (101) is equal Even it is provided with abrasion-proof rib (102).

A kind of vertical centrifugal the most according to claim 1 grinds disintegrating machine, it is characterised in that: described bellmouth (101) Tapering be 90 °～150 °.

A kind of vertical centrifugal the most according to claim 2 grinds disintegrating machine, it is characterised in that: described bellmouth (101) Tapering be 120 °.

A kind of vertical centrifugal the most according to claim 1 and 2 grinds disintegrating machine, it is characterised in that: described abrasion-proof rib (102) profile is strip or arc；When the profile of abrasion-proof rib (102) is strip, its length direction is along bellmouth (101) generatrix direction；When the profile of abrasion-proof rib (102) is arc, its direction of rotation and the rotation direction of centrifugal mill (1) Identical.

A kind of vertical centrifugal the most according to claim 1 grinds disintegrating machine, it is characterised in that: also include frame (2), drive Mechanism and removal device (6), drive mechanism and removal device (6) are arranged in frame (2)；Described centrifugal mill (1) row of being arranged on The top of glassware (6) is also driven by drive mechanism, and the outside of centrifugal mill (1) is covered with shaft screen (4), and shaft screen (4) outside is covered with Cylindrical cap (5)；Described removal device (6) is provided with discharging channel, the space between cylindrical cap (5) and shaft screen (4) and removal device (6) Discharging channel connection；Described shaft screen (4) is provided above feed hopper (3).

A kind of vertical centrifugal the most according to claim 5 grinds disintegrating machine, it is characterised in that: the horizontal stroke of described shaft screen (4) Cross sectional shape is polygon.

A kind of vertical centrifugal the most according to claim 6 grinds disintegrating machine, it is characterised in that: the horizontal stroke of described shaft screen (4) Cross sectional shape is regular pentagon, regular hexagon or octagon.

A kind of vertical centrifugal the most according to claim 5 grinds disintegrating machine, it is characterised in that: described drive mechanism includes Motor (7), rotating shaft (8) and bearing block (9)；In described rotating shaft (8) is arranged on bearing block (9) by bearing, rotating shaft (8) upper End is connected with centrifugal mill (1)；Described motor (7) is arranged in the frame (2) in removal device (6) outside, and motor (7) drives and turns Axle (8) rotates.

A kind of vertical centrifugal the most according to claim 8 grinds disintegrating machine, it is characterised in that: under described rotating shaft (8) End installs big belt wheel (10), and the output shaft of motor (7) installs small pulley (11), and big belt wheel (10) and small pulley (11) pass through belt (12) it is in transmission connection.

10. grind disintegrating machine according to a kind of vertical centrifugal described in any one in claim 5-9, it is characterised in that: described Feed hopper (3) and shaft screen (4) between be provided with transition bucket (13).