CN211436608U - Mineral powder screening and picking device - Google Patents

Abstract

The utility model provides a mineral powder screening and picking device, which comprises a screen box outer cover with a feed port, wherein a rotating shaft is vertically arranged on the screen box outer cover, and the lower end of the screen box outer cover is provided with a rotary head with a spiral groove; the outer cover of the screen box is connected with an inner machine screen box grab ring in a matching way, and the lower part of the inner machine screen box grab ring is fixed with an inner machine cone shell; an inner shell connecting ring is fixed on an inner shell screening box grabbing ring inside the inner shell cone shell and connected with an inner box, a screening ring is attached to the wall of the inner box, a mineral powder guide strip is arranged on the screening ring, and a rotary head is positioned inside the inner box on the inner side of the mineral powder guide strip; still including locating the discharge gate of inner box lower limb department. The utility model discloses a centrifugal action for the powdered ore that drops into the screening inner box passes through the gyration head and transfers grades centrifugal separation, and the powdered ore gib block that sets up on the ring through sieving separates step by step, and the powdered ore because of the different compositions possesses different proportion, rotates under the centrifugation, will realize that the successive layer is graded and sieve away, lasts the centrifugation and keeps high-efficient separation powdered ore.

Description

Mineral powder screening and picking device

Technical Field

The utility model relates to mining and metallurgy field, in particular to device is picked up in powdered ore screening.

Background

In the iron ore smelting industry, after the ore is ground after being crushed, a screening process is needed to obtain minerals with different mass ratios, and mineral powder screening is carried out on screening machine equipment according to different masses of the mineral powder. Mineral powder is particle particles, sieving minerals need to be removed through multiple vibrating sieves in the sieving machine, and the sieving efficiency is low because the mineral powder in the vibrating sieves is seriously accumulated.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a device is picked up in powdered ore screening.

The utility model provides a technical scheme is: a mineral powder screening and picking device comprises a screen box outer cover with a feeding hole, wherein a rotating shaft is vertically arranged on the screen box outer cover, and the lower end of the screen box outer cover is provided with a rotary head with a spiral groove; the outer cover of the screen box is connected with an inner machine screen box grab ring in a matching way, and the lower part of the inner machine screen box grab ring is fixed with an inner machine cone shell; an inner shell connecting ring is fixed on an inner shell screening box grabbing ring inside the inner shell cone shell and connected with an inner box, a screening ring is attached to the wall of the inner box, a mineral powder guide strip is arranged on the screening ring, and a rotary head is positioned inside the inner box on the inner side of the mineral powder guide strip; still including locating the discharge gate of inner box lower limb department.

The utility model discloses a centrifugal action for the powdered ore that drops into the screening inner box passes through the gyration head and transfers grades centrifugal separation, and the powdered ore gib block that sets up on the ring through sieving separates step by step, and the powdered ore because of the different compositions possesses different proportion, rotates under the centrifugation, will realize that the successive layer is graded and sieve away, lasts the centrifugation and keeps high-efficient separation powdered ore. The mineral powder screening and picking device comprises a screen box outer cover with a feeding hole, wherein a rotating shaft is vertically arranged on the screen box outer cover, a rotary head with a spiral groove is arranged at the lower end of the screen box outer cover, the rotating shaft is driven by a variable speed motor, the rotating speeds of different speeds are adjusted, the centrifugal efficiency is different, the mineral powder screening types are different, the mineral powder is fed into an inner box through the feeding hole, and the rotary head rotates, stirs and centrifuges; the outer cover of the screen box is connected with an inner machine screen box grab ring in a threaded fit manner, so that the structural weight is reduced, and the lower part of the screen box is fixedly connected with a rotary inner machine conical shell through a bolt and is placed in a specific protection box during installation; an inner shell connecting ring is integrally welded on an inner machine sieve box grabbing ring in an inner machine cone shell, the inner machine sieve box grabbing ring is hollow and is internally connected with an inner box of a rotary structure in a welding mode, a sieving ring is attached to the wall of the inner box, as shown in the attached drawing 2, a convex mineral powder guide strip is integrally arranged on the sieving ring, mineral powder which is sieved and separated step by step is extracted through the mineral powder guide strip in a centrifugal environment, mineral mixing between the steps after centrifugation is avoided, after the installation, a rotary head is located in the inner box on the inner side of the mineral powder guide strip, and the mineral after rotary centrifugation is discharged and collected from a single outlet arranged on the sieving ring; in order to remove the residual slag after screening, the utility model discloses still including the discharge gate of locating inner box lower corner department, the discharge gate is the pipeline, passes inner box and inner machine cone shell in proper order and stretches out.

The utility model has the beneficial technical effects that: the utility model discloses a centrifugal action for the powdered ore that drops into the screening inner box passes through the gyration head and transfers grades centrifugal separation, and the powdered ore gib block that sets up on the ring through sieving separates step by step, and the powdered ore because of the different compositions possesses different proportion, rotates under the centrifugation, will realize that the successive layer is graded and sieve away, lasts the centrifugation and keeps high-efficient separation powdered ore.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic diagram of the structure of the sieving ring;

in the figure, 1, a rotating shaft, 2, a rotary head, 3, a spiral groove, 4, a feeding hole, 5, an outer cover of a sieve box, 6, a grabbing ring of an inner machine sieve box, 7, a connecting ring of an inner shell, 8, an inner box, 9, an inner machine cone shell, 10, a mineral powder guide strip, 11, a sieving ring, 12, a countersunk head bolt, 13, a discharging hole, 14, a bearing platform, 15, a swing rod, 16, a stirring fork, 17, a spiral guide strip, 18 and an isolation shell.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, the relative terms "upper", "lower", "left", "right", "inner", "outer" and other position indication positions are only based on the position shown in the drawings to simplify the description of the present invention, but not the position and structure that the components must have, and thus, the limitation of the present invention cannot be understood.

Example 1

As shown in attached figures 1 and 2, the mineral powder screening and picking device comprises a screen box outer cover 5 with a feeding hole 4, wherein a rotating shaft 1 is vertically arranged on the screen box outer cover 5, and the lower end of the screen box outer cover is provided with a rotary head 2 with a spiral groove 3; an inner machine screen box grab ring 6 is connected on the outer cover 5 of the screen box in a matching way, and an inner machine cone shell 9 is fixed at the lower part of the inner machine screen box grab ring; an inner shell connecting ring 7 is fixed on an inner machine screening box grabbing ring 6 in an inner machine cone shell 9, an inner box 8 is connected on the inner shell connecting ring, a screening ring 11 is attached to the wall of the inner box 8, a mineral powder guide strip 10 is arranged on the screening ring 11, and a rotary head 2 is positioned in the inner box 8 on the inner side of the mineral powder guide strip 10; and the device also comprises a discharge hole 13 arranged at the lower corner of the inner box 8.

The utility model discloses a centrifugal action for the powdered ore that drops into the screening inner box is through the gyration accent centrifugal separation, and the powdered ore gib block 10 that sets up on sieving ring 11 separates step by step, and the powdered ore because of the different compositions possesses different proportion, rotates under the centrifugation, will realize that the successive layer is graded and sieve away, lasts the centrifugation and keeps high-efficient separation powdered ore. The mineral powder screening and picking device comprises a screen box outer cover 5 with a feeding hole 4, wherein a rotating shaft 1 is vertically arranged on the screen box outer cover 5, a rotary head 2 with a spiral groove 3 is arranged at the lower end of the rotating shaft 1, the rotating shaft 1 is driven by a variable speed motor, rotating speeds at different speeds are adjusted, centrifugal efficiencies are different, mineral powder screening types are different, the mineral powder is fed into an inner box 8 through the feeding hole 4, and the rotary head 2 rotates, stirs and centrifuges; an inner machine screen box grabbing ring 6 is connected to the outer cover 5 of the screen box in a threaded fit mode, the structural weight is reduced, the lower portion of the inner machine screen box grabbing ring is fixedly connected with a rotary inner machine conical shell 9 through bolts, and the inner machine conical shell is placed in a specific protection box during installation; an inner shell connecting ring 7 is integrally welded on an inner machine screening box grabbing ring 6 in an inner machine cone shell 9, a hollow structure is arranged in the inner machine screening box grabbing ring, an inner box 8 of a rotary structure is welded on the lower surface of the inner box 8, a screening ring 11 is attached to the wall of the inner box 8, as shown in the attached drawing 2, a convex mineral powder guide strip 10 is integrally arranged on the screening ring 11, mineral powder which is screened and separated step by step is pumped out through the mineral powder guide strip 10 in a centrifugal environment, mineral mixing between the step by step after centrifugation is avoided, after the installation, a rotary head 2 is positioned in the inner box 8 at the inner side of the mineral powder guide strip 10, and the mineral after rotary centrifugation is discharged and collected from a single outlet; in order to get rid of the surplus slag charge after the screening, the utility model discloses still including the discharge gate 13 of locating 8 lower corners departments of inner box, discharge gate 13 is the pipeline, passes inner box 8 and interior cone shell 9 in proper order and stretches out.

Further, an isolation shell 18 is arranged between the inner box 8 and the inner cone shell 9 below the inner screen box grabbing ring 6, and the bottom of the screening ring 11 is attached to the isolation shell 18. The isolation shell 18 is attached between the inner box 8 and the inner cone shell 9 to protect the sieving ring 11 from external impact.

Furthermore, a spiral guide strip 17 is arranged on the outer side surface of the sieving ring 11. As shown in fig. 2, the spiral guide strips 17 are arranged at a distance of two on the outer side of the screen ring 11, and the flow on the side is guided to discharge directionally.

Furthermore, a counter bore is arranged on the sieving ring 11, and a counter bore bolt 12 fixed on the wall of the inner box 8 is arranged in the counter bore. In order to fix the sieving ring 11, two counter bores are arranged at the inner position and the outer position on the sieving ring 11, and a counter bolt 12 fixed on the wall of the inner box 8 is arranged in the counter bores and is fixed on the inner box 8.

Further, sieve ring 11 evenly is equipped with more than three on 8 tank walls of inner box at a distance, and this embodiment sets up the level four screening according to the powdered ore screening needs, and sieve ring 11 evenly is equipped with four on 8 tank walls of inner box at a distance.

Further, a bearing platform 14 is horizontally fixed at the bottom of the inner box 8, and a stirring fork 16 with a swing rod 15 is vertically fixed on the bearing platform. In order to avoid uneven stirring of the mineral powder at the bottom by the rotary head 2 and to avoid the phenomenon that the mineral powder is still stirred, the bottom of the inner box 8 is horizontally welded with an inherent bearing platform 14, an inherent stirring fork 16 with a swinging rod 15 is vertically welded on the bearing platform, and the swinging rod 15 moves under the driving of the stirred mineral powder to drive the mineral powder at the bottom of the inner box 8.

Obviously, the utility model discloses a centrifugal action for the powdered ore that drops into the screening inner box is through the gyration head accent centrifugal separation, and the powdered ore gib block that sets up on the ring through sieving separates step by step, and the powdered ore because of the different compositions possesses different proportion, rotates under the centrifugation, will realize that the successive layer is graded and sieve away, lasts the centrifugation and keeps high-efficient separation powdered ore.

The foregoing is a preferred embodiment of the present invention, and it should be understood that those skilled in the art can derive the related technical solutions through logic analysis, reasoning or experiment based on the present invention without creative efforts, and therefore, these related technical solutions should be within the protection scope of the present claims.

Claims (6)

1. The utility model provides a device is picked up in powdered ore screening, includes sieve case enclosing cover (5) of taking feed inlet (4), its characterized in that: a rotating shaft (1) is vertically arranged on the outer cover (5) of the screen box, and the lower end of the rotating shaft is provided with a rotary head (2) with a spiral groove (3); an inner machine screen box grabbing ring (6) is connected to the outer cover (5) of the screen box in a matching way, and an inner machine cone shell (9) is fixed at the lower part of the inner machine screen box grabbing ring; an inner shell connecting ring (7) is fixed on an inner machine screening box grabbing ring (6) in an inner machine cone shell (9), an inner box (8) is connected onto the inner shell connecting ring, a screening ring (11) is mounted on the wall of the inner box (8) in a fitting manner, a mineral powder guide strip (10) is arranged on the screening ring (11), and a rotary head (2) is positioned in the inner box (8) on the inner side of the mineral powder guide strip (10); the device also comprises a discharge hole (13) arranged at the lower corner of the inner box (8).

2. The mineral powder screening and picking device as claimed in claim 1, wherein: an isolation shell (18) is arranged between the inner box (8) below the inner machine screen box grabbing ring (6) and the inner machine cone shell (9), and the bottom of the screening ring (11) is attached to the isolation shell (18).

3. The mineral powder screening and picking device as claimed in claim 1 or 2, wherein: the outer side surface of the sieving ring (11) is also provided with a spiral guide strip (17).

4. The mineral powder screening and picking device as claimed in claim 3, wherein: the sieving ring (11) is provided with a counter bore, and a counter head bolt (12) fixed on the wall of the inner box (8) is arranged in the sieving ring.

5. The mineral powder screening and picking device as claimed in claim 4, wherein: more than three sieving rings (11) are uniformly arranged on the wall of the inner box (8) at intervals.

6. The mineral powder screening and picking device as claimed in claim 1 or 5, wherein: the bottom of the inner box (8) is horizontally fixed with a bearing platform (14), and a stirring fork (16) with a swing rod (15) is vertically fixed on the bearing platform.

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