CN204469861U - A kind of central roll flour mill - Google Patents

Abstract

The utility model discloses a kind of central roll flour mill, comprise vertical shaft, tremie pipe (2), bearing block (4), middle body (17), base (18), reclaiming cone (15) and lubricating system, base (18) is provided with abrasion-proof backing block (9), vertical shaft in middle body (17) is provided with spreading disk (13) and floral disc (14), spreading disk (13) docks with described tremie pipe (2), the circumference of floral disc (14) is at least evenly equipped with two groups of abrasive roller unit, often organize abrasive roller unit and comprise the rocker arrangement (6) be hinged on floral disc (14), be fixedly mounted on rocker arrangement (6) go up and coordinate the abrasive roller (10) ground with abrasion-proof backing block (9), and be arranged on the positioner (7) between floral disc (14) and rocker arrangement (6), abrasive roller (10) positioned and the pressue device (8) that abrasive roller (10) is pressurizeed.Main applicable various soft, the hard material of grinding, the good bearing of its greasy property is resistance to, and consumable accessory abrasion are less, and environmental protection comparatively fruit is good, and structural advantage is reliable, is a kind of comparatively advanced central roll milling equipment on modern grinding market.

Description

A kind of central roll flour mill

Technical field

The utility model relates to a kind of flour mill, particularly relates to a kind of central roll fine powder grinding machine.

Technical background

The roll mill pulverizer of other structure proximates such as Raymond mill, vertical roll grinder occurred both at home and abroad at present, because the dust atmosphere of grinding roller bearing portion is severe, rotary part is larger by heavy duty, shock and vibration, all there is bearing and easily enter ash, be directed at grinding roller bearing damage frequent, change at substantial manpower and materials.Be the relation be close between grinding roller and liner plate, the filling by material rolls, and roller can be caused directly to contact with liner plate when reinforced inequality or empty material, so consumable accessory is not wear-resisting, grinding roller liner plate consumption is large, and it is large that the material processed increases iron.Burnisher apparatus is suspended from a comparatively fixing plum blossom frame, and depend merely on the deadweight of grinding roller and centrifugal force to material of milling, it is not good that such grinding power is directed at grinding effect not, therefore due to heavy duty, impact and easily broken shaft of grinding roller.Above many disadvantages is to making this type of equipment energy consumption high, and production capacity is little and fault rate is high, maintenance mans' duration.

Utility model content

Technical problem to be solved in the utility model be to provide a kind of reliable, easy to loading and unloading, once pass through into the central roll flour mill that mealiness is high, running rate is high and energy-conservation.

In order to solve the problems of the technologies described above, the central roll flour mill that the utility model provides, comprise vertical shaft, tremie pipe, bearing block, middle body, base, reclaiming cone and lubricating system, base is provided with abrasion-proof backing block, in described in body described in vertical shaft on be provided with spreading disk and floral disc, described spreading disk docks with described tremie pipe, the circumference of described floral disc is at least evenly equipped with two groups of abrasive roller unit, often organize described abrasive roller unit and comprise the rocker arrangement be hinged on described floral disc, to be fixedly mounted on described rocker arrangement and to coordinate with described abrasion-proof backing block the abrasive roller ground, and be arranged on the positioner between described floral disc and described rocker arrangement, described abrasive roller positioned and the pressue device that described abrasive roller is pressurizeed.

Described pressue device is be arranged on the spring between described floral disc and described abrasive roller.

Described abrasive roller unit is three groups.

Described rocker arrangement adopts rocking arm bearing pin to be hinged on described floral disc, and the end of described rocking arm bearing pin adopts Hough to open limit and installs.

Described lubricating system adopts thin oil lubricant, be made up of oiling device, oil fuel tube, flowline and oil cooling device, described oiling device is arranged on described vertical shaft, one end is connected with described oil cooling device, the other end is connected with described vertical shaft and oil fuel tube, described vertical shaft is connected with flowline with described oil fuel tube, and described flowline is connected with described oil cooling device.

Adopt the central roll flour mill of technique scheme, motor is by belt pulley rotor driven parts synchronous rotary, and rotor part comprises spreading disk, floral disc; rocker arrangement; abrasive roller, pressue device, positioner etc.; three groups of Rocker arm assemblies are housed on floral disc; rocker arm shaft is equipped with grinding roller, and grinding roller, by being fixed on the positioner on floral disc, can adjust arbitrarily the gap between grinding roller and liner plate.The material feed pipe entered above grinding machine enters to be fallen on spreading disk, is spread to body edge by the spreading disk be rotating, and in edge, body drops down onto base, is pulverized at grinding roller and liner plate place.

In the technical program, because pressing spring is in Pre strained state all the time, and spring force is huge, adds the centrifugal force that grinding roller produces when rotated, all can be easily broken to medium hardness and harder objuct material.When material enters into grinding roller and lining board clearance place; the making a concerted effort and the roll broken of centrifugal force that will be produced in rotary course by grinding roller and pressing spring; when the material or metallic foreign body that have difficult especially mill enter in mill; when can not the rolling with joint efforts of centrifugal force and pressing spring makes it broken; Burnisher apparatus can be avoided by the swing of rocking arm bearing pin, and protection parts are not damaged.

This machine efficiency is high, go out all neat operating mode of grind materials particle good, reduced investment easy to maintenance, in equal milling capacity situation, its power consumption only has 50% of Raymond mill, consumable accessory consumption only has Raymond mill 20%, take up an area saving 30%, this machine also can form with conveying equipment and classifying equipoment the pre-grinding enclosing streaming system or make ball mill and other milling equipments, it is a kind of strong adaptability, handsome in appearance, novel structure, convenient and practical central roll flour mill, be specially adapted to building materials metallurgy, chemical industry, mine, the energy, electric power, Mohs' hardness less than 8 grades in the industries such as refractory material, finish fineness is not higher than the dry method grinding of the various materials of 38 μm, also be suitable for the much broken and lessmill technique in metal mine or cement plant and pre-grinding simultaneously

In sum, the utility model be a kind of rational in infrastructure, reliable, easy to loading and unloading, use thin oil circulating lubricating, pollution-free, once pass through into the central roll flour mill that mealiness is high, running rate is high and energy-conservation, its simple and practical, easy to maintenance, wear-resisting durable, reliable, energy-conserving and environment-protective.

Accompanying drawing explanation

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

In figure:

1-belt pulley, 2-tremie pipe, 3-flowline, 4-bearing block, 5-rocking arm bearing pin, 6-rocker arrangement, 7-positioner, 8-pressue device, 9-abrasion-proof backing block, 10-abrasive roller, 11-oil pipe, 12-oiling device, 13-spreading disk, 14-floral disc, 15-reclaiming cone, 16-oil cooling device, body in 17-, 18-base.

Detailed description of the invention

Below in conjunction with accompanying drawing, the utility model is described in further detail.

See Fig. 1, base 18 upper end is provided with middle body 17, lower end abutting joint has reclaiming cone 15, abrasion-proof backing block 9 is installed in base 18, middle body 17 upper end is provided with bearing block 4, bearing block 4 is provided with vertical shaft and tremie pipe 2, vertical shaft is provided with belt pulley 1, vertical shaft in middle body 17 is provided with spreading disk 13 and floral disc 14, spreading disk 13 docks with tremie pipe 2, the circumference of floral disc 14 is at least evenly equipped with two groups of abrasive roller unit, be preferably three groups of abrasive roller unit, often organize abrasive roller unit and comprise the rocker arrangement 6 be hinged on floral disc 14, to be fixedly mounted on rocker arrangement 6 and to coordinate the abrasive roller 10 ground with abrasion-proof backing block 9, and be arranged on the positioner 7 between floral disc 14 and rocker arrangement 6, abrasive roller 10 positioned and the pressue device 8 that abrasive roller 10 is pressurizeed, particularly, pressue device 8 is for being arranged on the spring between floral disc 14 and abrasive roller 10, particularly, rocker arrangement 6 adopts rocking arm bearing pin 5 to be hinged on floral disc 14, and the end of rocking arm bearing pin 5 adopts Hough to open limit and installs.

Lubricating system adopts thin oil lubricant, be made up of oiling device 12, oil fuel tube 11, flowline 3 and oil cooling device 16, oiling device 12 is arranged on vertical shaft, one end is connected with oil cooling device 16, the other end is connected with vertical shaft and oil fuel tube 11, vertical shaft is connected with flowline 3 with oil fuel tube 11, and flowline 3 is connected with oil cooling device 16.

See Fig. 1, this grinding machine is vertical structure, its rotor part is made up of spreading disk 13, floral disc 14, rocker arrangement 6, abrasive roller 10, pressue device 8 and positioner 7 parts, and when transmission device rotor driven parts rotate, abrasive roller 10 had not only revolved round the sun but also rotation.Material with Action of Gravity Field to falling to spreading disk 13, is spread the inwall to abrasion-proof backing block 9 by spreading disk 13 after entering machine from tremie pipe 2 above grinding machine, rolled by abrasive roller 10, thing after rolling grinding is discharged by the reclaiming cone 15 of machine bottom, and whole grinding process is totally-enclosed, without airborne dust.

Making a concerted effort of the spring force of the centrifugal force that abrasive roller 10 produces when rotated and pressue device 8, spring pre-tightening is exerted pressure in the course of the work, and make grinding power abundant, crushing effect is better.

Floral disc 14 is equipped with three groups by rocking arm bearing pin 5 and comprises rocker arrangement 6; rocking arm bearing pin 5 is equipped with abrasive roller 10; abrasive roller 10 is by being fixed on the positioner 7 on floral disc 14; can adjust arbitrarily the gap between abrasive roller 10 and abrasion-proof backing block 9; thus prevent in operation process; abrasive roller 10 directly contacts with abrasion-proof backing block 9, cause wearing and tearing and power consumption, also can the fineness of effective controlled working material.

Floral disc 14 is fixed rocking arm bearing pin 5, for Hough opens limit, be convenient to compress rocking arm bearing pin 5, its structure facilitates handling and the maintenance of rocking arm bearing pin 5 and rocker arrangement 6.

Rocker arrangement 6 can with rocking arm bearing pin 5 for fulcrum be done to freely swing, in the course of the work, when enter metallic foreign body or other hard material grinding power can not roll make it broken time; rocker arrangement 6 can swing flexibly and make abrasive roller 10 be avoided by jack-up parts to damage, and well can play cushioning effect.

Lubricating system adopts thin oil lubricant, be made up of oiling device 12, oil fuel tube 11, flowline 3 and oil cooling device 16, oiling device 12 is arranged on vertical shaft, one end is connected with oil cooling device 16, the other end is connected with vertical shaft and oil fuel tube 11, vertical shaft is connected with flowline 3 with oil fuel tube 11, and flowline 3 is connected with oil cooling device 16.Cold oil enters by oiling device 12 lubricating system enters rocker arrangement 6 again inner chamber through oil fuel tube 11, lubricating spindle bearing and grinding roller bearing, and the heat can taken away in bearing operation process and impurity.Oiling device 12 can ensure vertical shaft continuous oil supply in spin axis process, and lubricating oil drains into oil cooling device 16 cold filtration through flowline 3 and recycles, and whole greasing does not need to shut down, and automatically completes.The whole thin oil circulatory system can take away grinding machine bearing temperature rise or because of the poorly sealed close iron powder entering into fine powder in bearing bore and produce because of period of adjustment middle (center) bearing in process of production, thus effectively protects the service life of bearing.

Abrasive roller 10 and abrasion-proof backing block 9 adopt high-chromium alloy wear-resistant material to make.

Claims (7)

1. a central roll flour mill, comprise vertical shaft, tremie pipe (2), bearing block (4), middle body (17), base (18), reclaiming cone (15) and lubricating system, base (18) is provided with abrasion-proof backing block (9), it is characterized in that: the described vertical shaft in described in body (17) is provided with spreading disk (13) and floral disc (14), described spreading disk (13) docks with described tremie pipe (2), the circumference of described floral disc (14) is at least evenly equipped with two groups of abrasive roller unit, often organize described abrasive roller unit and comprise the rocker arrangement (6) be hinged on described floral disc (14), be fixedly mounted on described rocker arrangement (6) go up and coordinate with described abrasion-proof backing block (9) abrasive roller (10) ground, and be arranged on the positioner (7) between described floral disc (14) and described rocker arrangement (6), described abrasive roller (10) positioned and the pressue device (8) that described abrasive roller (10) is pressurizeed.

2. central roll flour mill according to claim 1, is characterized in that: described pressue device (8) is for being arranged on the spring between described floral disc (14) and described abrasive roller (10).

3. central roll flour mill according to claim 1 and 2, is characterized in that: described abrasive roller unit is three groups.

4. central roll flour mill according to claim 1 and 2, it is characterized in that: described rocker arrangement (6) adopts rocking arm bearing pin (5) to be hinged on described floral disc (14), the end of described rocking arm bearing pin (5) adopts Hough to open limit and installs.

5. central roll flour mill according to claim 3, it is characterized in that: described rocker arrangement 6 adopts rocking arm bearing pin (5) to be hinged on described floral disc (14), the end of described rocking arm bearing pin (5) adopts Hough to open limit and installs.

6. central roll flour mill according to claim 1 and 2, it is characterized in that: described lubricating system adopts thin oil lubricant, by oiling device (12), oil fuel tube (11), flowline (3) and oil cooling device (16) composition, described oiling device (12) is arranged on described vertical shaft, one end is connected with described oil cooling device (16), the other end is connected with described vertical shaft and oil fuel tube (11), described vertical shaft is connected with flowline (3) with described oil fuel tube (11), described flowline (3) is connected with described oil cooling device (16).

7. central roll flour mill according to claim 3, it is characterized in that: described lubricating system adopts thin oil lubricant, by oiling device (12), oil fuel tube (11), flowline (3) and oil cooling device (16) composition, described oiling device (12) is arranged on described vertical shaft, one end is connected with described oil cooling device (16), the other end is connected with described vertical shaft and oil fuel tube (11), described vertical shaft is connected with flowline (3) with described oil fuel tube (11), described flowline (3) is connected with described oil cooling device (16).