CN213726850U - Screening device in mill compartment - Google Patents

Abstract

The utility model discloses a screening plant in mill compartment relates to ball mill equipment technical field, and it includes the bottom plate and sets up the ball mill body on the bottom plate, four supporting legs of bottom plate lower extreme fixedly connected with, the bottom plate lower extreme is equipped with four universal wheels, ball mill body lateral wall is equipped with the feeder hopper, ball mill body lateral wall intercommunication is equipped with the discharging pipe, this internal screening mechanism that is used for sieving the thickness raw materials that is equipped with of ball mill. The utility model discloses can grind the difficult material that grinds of mineral substance class farine, grind finished product patent and converge, the ejection of compact is even, utilizes the universal wheel convenience to remove the device in addition, greatly increased the usability and the flexibility of device, and can accomodate the universal wheel, prevent that storage jar from extrudeing the universal wheel, and then extension fixture's life.

Description

Screening device in mill compartment

Technical Field

The utility model relates to a ball mill equipment technical field especially relates to screening plant in mill compartment.

Background

The ball mill is a key device for crushing materials after the materials are crushed, a certain amount of steel balls are filled in a cylinder of the ore mill as grinding media, when the cylinder of the ball mill rotates, a grinding body is attached to a lining plate of the cylinder and taken away by the cylinder under the action of inertia and centrifugal force and friction force, and when the grinding body is taken to a certain height, the grinding body is thrown off under the action of gravity of the grinding body, and the falling grinding body crushes the raw materials in the cylinder like a projectile body.

Mineral matter grinding adopts the ball mill to advance the crocus usually, and need the cooperation of selection powder machine to use during the ball mill crocus, but special occasion can not use the selection powder machine, and when the difference of material density is big more than two kinds, current ball mill grinds for a long time, grinds not meticulously, and current ball mill is whole comparatively heavy in addition, when the device needs to remove, needs rely on large-scale machine to remove, can increase manufacturing cost, so, need design screening plant in the mill compartment to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a screening device in a mill compartment.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

screening plant in mill compartment, including the bottom plate with set up the ball mill body on the bottom plate, four supporting legs of bottom plate lower extreme fixedly connected with, the bottom plate lower extreme is equipped with four universal wheels, ball mill body lateral wall is equipped with the feeder hopper, ball mill body lateral wall intercommunication is equipped with the discharging pipe, this internal screening mechanism that is used for sieving the thickness raw materials that is equipped with of ball mill.

Preferably, screening mechanism includes two baffles of fixed connection at ball mill body lateral wall, ball mill body lateral wall fixedly connected with coarse sieve board and fine sieve board, be equipped with outer cone on the coarse sieve board, outer cone keeps away from the one end homonymy of coarse sieve board the baffle lateral wall, be equipped with the inner cone on the fine sieve board, the one end that fine sieve board was kept away from to the inner cone runs through the homonymy the baffle lateral wall, the bottom plate has the receiving mechanism who is used for accomodating the universal wheel.

Preferably, receiving mechanism is including rotating a plurality of sleeves of connection at the bottom plate lower extreme, and is a plurality of telescopic inside threaded connection has a threaded rod, and is a plurality of the lower extreme of threaded rod respectively with four with universal wheel upper end fixed connection, the bottom plate has and is used for driving sleeve pivoted actuating mechanism.

Preferably, actuating mechanism establishes two sprockets on the sleeve lateral wall including the cover, sprocket and homonymy sleeve fixed connection, adjacent two the common rich chain that is equipped with of lateral wall of sprocket, one of them the fixed cover of telescopic lateral wall has second bevel gear, bottom plate lower extreme fixedly connected with places the board, place board upper end fixedly connected with driving motor, driving motor's output shaft fixedly connected with axis of rotation, driving motor's one end fixedly connected with can and second bevel gear meshed's first bevel gear is kept away from in the axis of rotation.

Preferably, the side wall of the threaded rod is fixedly connected with a movable plate, the lower end of the bottom plate is fixedly connected with a plurality of limiting rods, and the lower ends of the limiting rods penetrate through the upper end of the movable plate at the same side.

Preferably, the side wall of the clapboard at the left end is provided with a plurality of through holes.

The utility model discloses in, following beneficial effect has:

1. the device is provided with the partition plate, the space is enlarged by utilizing the position of the partition plate, the partition plate is designed into a structure with a screening function, after being crushed down, raw materials enter between the coarse screen plate and the fine screen plate from the through hole of the partition plate, smaller raw materials enter the grinding chamber on the right side of the partition plate through the inner cone in the center of the fine screen plate, the thicker raw materials cannot pass through the inner cone, the thicker raw materials return to the head bin through the outer cone to be continuously crushed down, and the circulation is repeated, because the screening time in the grinding is long, the repeated crushing is small, the materials entering the grinding chamber are small, the grinding is facilitated to be fine powder, the discharging is uniform, and the requirement of mineral fine powder materials which are difficult to grind is met;

2. this device has set up actuating mechanism, driving motor drives axis of rotation and first conical gear rotation, second conical gear drives one of them sleeve rotation with first conical gear's meshing, and then makes sprocket rotation and chain drive, makes remaining sleeve all take place to rotate, and the universal wheel moves down under the guide effect of gag lever post and movable plate, and then can accomodate the universal wheel when need not to make the universal wheel, and the prevention device extrudees the universal wheel, and then extension fixture's life.

Drawings

FIG. 1 is a schematic structural view of a screening device in a compartment of a mill according to the present invention;

fig. 2 is an enlarged view of a structure of fig. 1.

In the figure: 1 ball mill body, 2 feeder hoppers, 3 baffle plates, 4 coarse sieve plates, 5 fine sieve plates, 6 inner cones, 7 outer cones, 8 bottom plates, 9 supporting legs, 10 discharging pipes, 11 driving motors, 12 placing plates, 13 rotating shafts, 14 first conical gears, 15 second conical gears, 16 sleeves, 17 chain wheels, 18 chains, 19 threaded rods, 20 universal wheels, 21 moving plates and 22 limiting rods.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, screening plant in mill compartment, including bottom plate 8 and ball mill body 1 that sets up on bottom plate 8, bottom plate 8 lower extreme fixedly connected with four supporting legs 9, bottom plate 8 lower extreme is equipped with four universal wheels 20, ball mill body 1 lateral wall is equipped with feeder hopper 2, ball mill body 1 lateral wall intercommunication is equipped with discharging pipe 10, prior art when ball mill body 1 is to the grinding of raw materials, the raw materials is packed into the barrel by ball mill feeder hopper 2 in, when ball mill barrel rotates, the grinding body is because inertia and centrifugal force effect, the effect of friction force makes it attach on the barrel welt and is taken away by the barrel, when being taken to certain height, because the gravity effect of its own is thrown and is fallen, the grinding body that falls is like the projectile body with the raw materials in the barrel for breaking.

The ball mill body 1 is internally provided with a screening mechanism for screening coarse and fine raw materials, the screening mechanism comprises two partition plates 3 fixedly connected with the side wall of the ball mill body 1, the side wall of the ball mill body 1 is fixedly connected with a coarse sieve plate 4 and a fine sieve plate 5, the coarse sieve plate 4 is provided with an outer cone 7, the outer cone 7 is far away from the side wall of the partition plate 3 at the same side of one end of the coarse sieve plate 4, the fine sieve plate 5 is provided with an inner cone 6, one end of the inner cone 6 far away from the fine sieve plate 5 penetrates through the side wall of the partition plate 3 at the same side, the side wall of the partition plate 3 at the left end is provided with a plurality of through holes, the inner cone 6 is made of the same material as the fine sieve plate 5, the inner cone 6 is provided with meshes with the same size as the fine sieve plate 5, the outer cone 7 is made of the same material as the coarse sieve plate 4, the outer cone 7 is provided with meshes with the same size as the coarse sieve plate 4, the left side of the partition plate 3 at the left side is provided with a head bin of the ball mill body 1 for smashing raw materials, the right side of the partition plate 3 is provided with a grinding chamber of the ball mill body 1, for grinding fine raw materials.

The bottom plate 8 has the receiving mechanism who is used for accomodating universal wheel 20 down, and receiving mechanism is including rotating a plurality of sleeves 16 of connecting at the bottom plate 8 lower extreme, and the internal thread of a plurality of sleeves 16 is connected with threaded rod 19, the lower extreme of a plurality of threaded rods 19 respectively with four with universal wheel 20 upper end fixed connection.

Bottom plate 8 has and is used for driving sleeve 16 pivoted actuating mechanism, actuating mechanism establishes two sprocket 17 on the sleeve 16 lateral wall including the cover, sprocket 17 and the sleeve 16 fixed connection of homonymy, the common rich chain 18 that is equipped with of lateral wall of two adjacent sprocket 17, the fixed cover of lateral wall of one of them sleeve 16 has connect second bevel gear 15, board 12 is placed to 8 lower extreme fixedly connected with of bottom plate, it is L shape to place board 12 cross section, place board 12 upper end fixedly connected with driving motor 11, driving motor 11's output shaft fixedly connected with axis of rotation 13, the one end fixedly connected with that driving motor 11 was kept away from to axis of rotation 13 can with second bevel gear 15 meshed first bevel gear 14.

The utility model discloses in, the lateral wall fixedly connected with movable plate 21 of a plurality of threaded rods 19, a plurality of gag lever posts 22 of 8 lower extreme fixedly connected with of bottom plate, a plurality of gag lever posts 22 lower extreme all run through the movable plate 21 upper end of homonymy, and movable plate 21 plays the guide effect with gag lever post 22 for sleeve 16's rotation can drive threaded rod 19 and reciprocate, makes sleeve 16 rotate time movable plate 21 unable rotation.

When in use, the ball mill body 1 is started, raw materials enter a head bin on the left side of the partition plate 3, a grinding body is under the action of inertia and centrifugal force, the action of friction force enables the grinding body to be attached to a lining plate of the cylinder body and taken away by the cylinder body, when the grinding body is taken to a certain height, the grinding body is thrown off under the action of gravity of the grinding body, the falling grinding body breaks the raw materials in the cylinder body like a projectile body, after the raw materials are broken down, the raw materials enter a space between the coarse sieve plate 4 and the fine sieve plate 5 from a through hole of the partition plate 3, the smaller raw materials enter a grinding chamber on the right side of the partition plate 3 through a central inner cone 6 of the fine sieve plate 5, the thicker raw materials cannot pass through the inner cone 6, the thicker raw materials return to the head bin through an outer cone 7 and continue to be broken down, the circulation is repeated, the raw materials entering the grinding chamber are more favorable for grinding, and are discharged for grinding.

When the device needs to be moved, the driving motor 11 is started, the driving motor 11 drives the rotating shaft 13 and the first conical gear 14 to rotate, the second conical gear 15 is meshed with the first conical gear 14 to drive one of the sleeves 16 to rotate, the chain wheel 17 is further made to rotate and the chain 18 is made to transmit, the rest sleeves 16 are all made to rotate, the universal wheel 20 moves downwards under the guiding effect of the limiting rod 22 and the moving plate 21, otherwise, the rotating shaft 13 is rotated reversely to enable the sleeves 16 to rotate reversely, and the universal wheel 20 can be retracted to be supported by the supporting legs 9.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. Screening plant in mill compartment includes bottom plate (8) and ball mill body (1) that sets up on bottom plate (8), its characterized in that, four supporting legs (9) of bottom plate (8) lower extreme fixedly connected with, bottom plate (8) lower extreme is equipped with four universal wheels (20), ball mill body (1) lateral wall is equipped with feeder hopper (2), ball mill body (1) lateral wall intercommunication is equipped with discharging pipe (10), be equipped with the screening mechanism that is used for screening thickness raw materials in ball mill body (1).

2. The screening device in the mill compartment as claimed in claim 1, wherein the screening mechanism comprises two partition plates (3) fixedly connected to the side wall of the ball mill body (1), the side wall of the ball mill body (1) is fixedly connected with a coarse screening plate (4) and a fine screening plate (5), an outer cone (7) is arranged on the coarse screening plate (4), the outer cone (7) is far away from the one end of the coarse screening plate (4) at the same side of the partition plates (3) side wall, an inner cone (6) is arranged on the fine screening plate (5), one end of the inner cone (6) far away from the fine screening plate (5) penetrates through the side of the partition plates (3) side wall, and a containing mechanism used for containing the universal wheels (20) is arranged below the bottom plate (8).

3. A screening device in a mill compartment as claimed in claim 2, wherein the receiving mechanism comprises a plurality of sleeves (16) rotatably connected to the lower end of the bottom plate (8), a threaded rod (19) is connected to the inner threads of the plurality of sleeves (16), the lower ends of the plurality of threaded rods (19) are respectively and fixedly connected with the upper ends of four universal wheels (20), and a driving mechanism for driving the sleeves (16) to rotate is arranged below the bottom plate (8).

4. A screening device in a mill compartment as claimed in claim 3, wherein said driving mechanism comprises two sprockets (17) sleeved on the side wall of the sleeve (16), said sprockets (17) are fixedly connected with the sleeve (16) on the same side, the side walls of two adjacent sprockets (17) jointly run around a chain (18), one of said sprockets (16) is fixedly sleeved with a second bevel gear (15), the lower end of the bottom plate (8) is fixedly connected with a placing plate (12), the upper end of the placing plate (12) is fixedly connected with a driving motor (11), the output shaft of the driving motor (11) is fixedly connected with a rotating shaft (13), one end of the rotating shaft (13) far away from the driving motor (11) is fixedly connected with a first bevel gear (14) capable of meshing with the second bevel gear (15).

5. A screening device in a mill compartment according to claim 3, wherein a moving plate (21) is fixedly connected to the side wall of the plurality of threaded rods (19), a plurality of limiting rods (22) are fixedly connected to the lower end of the bottom plate (8), and the lower ends of the plurality of limiting rods (22) penetrate through the upper end of the moving plate (21) on the same side.

6. A mill compartment internal screening device according to claim 2, characterised in that the side wall of the partition (3) at the left end is provided with a plurality of through holes.

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