CN216396679U

CN216396679U - Metal filing screening device

Info

Publication number: CN216396679U
Application number: CN202122811418.9U
Authority: CN
Inventors: 邓伟红; 韩江涛; 徐广�; 赵顺子
Original assignee: Luoyang Jiusheng Metallurgical Material Processing Co ltd
Current assignee: Luoyang Jiusheng Metallurgical Material Processing Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-04-29
Anticipated expiration: 2031-11-12

Abstract

The utility model discloses a metal scrap screening device which comprises a screening barrel, a magnetic attraction column and a magnetic component, wherein the magnetic attraction column is arranged on the screening barrel; the upper end and the lower end of the screening barrel are respectively provided with a feeding hole and a discharging hole; multiple layers of conical partition plates are uniformly arranged in the screening barrel at intervals; the large end of each conical partition plate is fixedly connected to the side wall of the screening barrel, and the small end of each conical partition plate faces downwards and the center of each conical partition plate is provided with a through hole; the magnetic attraction column is vertically arranged in the through hole, a plurality of separation plates are sleeved on the magnetic attraction column at uniform intervals, a magnetic component made of a magnetic material is arranged on each separation plate, and the magnetic component is used for adsorbing iron foreign matters in the material flowing through; each separation plate is located between two adjacent conical partition plates. The utility model ensures that the material to be screened flows between the plurality of conical partition plates and the plurality of separation plates in a zigzag manner, increases the moving distance of the material, improves the contact chance of the material and the magnetic component, and screens the iron metal scraps more cleanly.

Description

Metal filing screening device

Technical Field

The utility model belongs to the technical field of casting, and relates to a metal scrap screening device.

Background

The casting sand is often mixed with scrap iron, nuts, screws, gaskets and other debris, and the screening and cleaning are required before the casting sand is used. Generally, a magnetic device is provided on the conveyor belt, and the foundry sand on the conveyor belt is attracted and moved by the magnetic device to be separated. However, in the cleaning mode by using the conveyor belt, the casting molding sand moves fast, the action time of the magnetic device is short, and metal chips are not cleaned completely, so that the quality of the casting molding sand is influenced.

Disclosure of Invention

In order to overcome the defects in the background art, the utility model provides a metal chip screening device, and aims to increase the contact chance between casting molding sand and a magnetic device, so that iron metal chips have sufficient time to be adsorbed onto the magnetic device, and the quality of the casting molding sand is improved.

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

a metal filing screening device comprises a screening barrel, a magnetic attraction column and a magnetic component;

the upper end and the lower end of the screening barrel are respectively provided with a feed inlet and a discharge outlet, and the material to be screened entering the screening barrel from the feed inlet naturally flows out from the discharge outlet through the dead weight; multiple layers of conical partition plates are uniformly arranged in the screening barrel at intervals; the large end of each conical partition plate is fixedly connected to the side wall of the screening barrel, and the small end of each conical partition plate faces downwards and the center of each conical partition plate is provided with a through hole; the magnetic attraction column is vertically arranged in the through hole, a plurality of separation plates are sleeved on the magnetic attraction column at uniform intervals, a magnetic component made of a magnetic material is arranged on each separation plate, and the magnetic component is used for adsorbing iron foreign matters in the material flowing through; each separation plate is positioned between two adjacent conical partition plates and is used for controlling the material to flow in a zigzag mode between the conical partition plates and the separation plates; the zigzag flow is that the material flows through the conical partition plate and the separating plate in sequence and then falls onto the next conical partition plate.

As further optimization, the upper end of the magnetic attraction column is connected with a motor for driving the magnetic attraction column to rotate.

As further optimization, a cover plate is arranged at the upper end of the screening barrel, a round hole is formed in the center of the cover plate, and the round hole is the feeding hole; and a bracket is fixedly connected to the cover plate, and the center of the bracket is connected with the motor.

As further optimization, the periphery of the cover plate is uniformly provided with fixing holes for detachably connecting the cover plate to the screening barrel through bolts.

Preferably, the maximum profile diameter of the separating plate is smaller than the diameter of the through hole in the center of the conical partition plate, so that the magnetic attraction columns can be drawn out of the through hole when the cover plate is removed.

As a further optimization, the separation plate is conical with its large end facing upwards.

As a further optimization, the separation plate is conical with its large end facing downwards.

Preferably, the magnetic part is a cylindrical magnetic rod, and the magnetic rods are uniformly distributed on the upper surface of the separation plate around the axis of the magnetic attraction column.

Compared with the prior art, the utility model has the beneficial effects that:

in a word, this device makes the material that waits to sieve zigzag flow between a plurality of toper baffles and a plurality of separator plates, has increaseed the distance of material motion, has improved the contact chance that increases material and magnetic force part, sieves iron metal piece cleaner. In addition, under the drive of the motor, the rotating separation plate pushes the material flowing through to move transversely through centrifugal force, so that the material falls more slowly, the contact chance of the material and the magnetic component is further increased, and the separation effect of the ferrous metal fragments is further improved.

Drawings

FIG. 1 is a schematic sectional view showing a fine metal powder screening apparatus according to example 1 of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a cross-sectional view of FIG. 2;

fig. 4 is a schematic sectional view showing a metal chip screening apparatus according to example 2 of the present invention.

In the figure: 1 screening barrel, 11 feed inlets, 12 discharge outlets, 13 cover plates, 131 round holes, 132 fixing holes, 14 supports, 15 conical partition plates, 2 magnetic suction columns, 21 separating plates, 3 magnetic parts, 31 magnetic rods, 4 motors and 5 bolts.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings of the present invention, and it is obvious that the described embodiments are only a part of the preferred embodiments of the present invention, and not all embodiments. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1: please refer to fig. 1-3;

the utility model provides the following technical scheme: a metal filing screening device comprises a screening barrel 1, a magnetic attraction column 2, a magnetic component 3 and a motor 4;

the screening barrel 1 is cylindrical, a feeding hole 11 and a discharging hole 12 are respectively formed in the upper end and the lower end of the screening barrel 1, and materials to be screened entering the screening barrel 1 from the feeding hole 11 naturally flow out from the discharging hole 12 through self weight; a cover plate 13 is arranged at the upper end of the screening barrel 1, a round hole 131 is formed in the center of the cover plate 13, and the round hole 131 is the feed inlet 11; a bracket 14 is fixedly connected to the cover plate 13, and the center of the bracket 14 is connected with the motor 4. An output shaft of the motor 4 is connected to the upper end of the magnetic attraction column 2 and used for driving the magnetic attraction column 2 to rotate. Fixing holes 132 are uniformly formed in the periphery of the cover plate 13, and the cover plate 13 is detachably connected to the top wall of the screening barrel 1 through bolts.

A plurality of layers of conical partition plates 15 are uniformly arranged in the screening barrel 1 at intervals; the big end of each conical clapboard 15 is fixedly connected on the side wall of the screening barrel 1, and the small end of the conical clapboard is downward and the center of the conical clapboard is provided with a through hole; a magnetic attraction column 2 is vertically arranged in the through hole, a plurality of separation plates 21 are uniformly sleeved on the magnetic attraction column 2 at intervals, a magnetic component 3 made of a magnetic material is arranged on each separation plate 21, and the magnetic component 3 is used for adsorbing iron foreign matters in the material flowing through; magnetic force component 3 is columniform magnetic force stick, the magnetic force stick has a plurality ofly, centers on the axis of post 2 is inhaled to magnetism all with distribute the upper surface of separator 21, every the axis of magnetic force stick all with the axis of post 2 is inhaled to magnetism is perpendicular, and the advantage lies in that the magnetic force stick transversely intercepts on the flow direction of material, slows down the speed of material whereabouts, increases the material with the contact chance of magnetic force stick improves the efficiency of adsorbing the iron foreign matter.

Each separation plate 21 is located between two adjacent conical partitions 15 for controlling the material to flow in a meandering manner between the conical partitions 15 and the separation plates 21. The zigzag flow is that the material flows through the conical partition 15 and the separating plate 21 in sequence and then falls onto the next conical partition 15. And through the drive of motor 4, separation plate 21 horizontal rotation drives the material lateral shifting who falls on separation plate 21, has increased material lateral shifting's distance, has slowed down the speed that the material falls, has also increased the contact chance of magnetic rod, the effectual of getting rid of the iron foreign matter.

The separating plate 21 is conical, the large end of the separating plate faces downwards, the maximum outline diameter of the separating plate is smaller than the diameter of the through hole in the center of the conical partition plate 15, and the separating plate is used for drawing the magnetic attraction columns 2 out of the through hole when the cover plate 13 is detached. The magnetic attraction column has the advantages that after the magnetic attraction column 2 is pulled out, the adsorbed iron debris foreign bodies on the surface of the magnetic attraction column can be cleaned conveniently; and all rotating parts are integrated on the cover plate 13, so that the disassembly, assembly and maintenance are convenient.

When the device is used, the motor 4 is started, and the motor 4 drives the separation plate 21 to rotate. Granular material of foundry sand type with a screen is poured from the circular hole 131. The conical clapboard 15 leads the materials to be gathered to the center, the center is just caught by the separating plate 21, and the materials are contacted with the magnetic bar, thereby absorbing the iron scrap foreign matters in the materials; the piece foreign matter of iron that does not contact the magnetic rod is along with the thing through the rotatory horizontal promotion of separator plate 21, and the dispersion falls into down on one deck toper baffle 15, and the toper baffle 15 of circular cone type concentrates the material to center department again, and the magnetic rod on the separator plate 21 of next floor adsorbs the separation once more for the material is in when tortuous flow between a plurality of toper baffles 15 and a plurality of separator plates 21, can adsorb the screening many times in the opportunity, has improved the effect of adsorbing the piece foreign matter of iron.

The embodiment has the advantages that:

in a word, the device utilizes the dead weight of granular materials of casting molding sand to fall in a zigzag manner in the screening barrel 1, the energy for conveying the materials is not required to be consumed, compared with the conveying of a conveying belt, the energy consumption is reduced, and the cost is saved; the contact chance of casting molding sand and magnetic means is increased to the material that the tortuous is mobile, makes iron metal piece have abundant time to adsorb magnetic means on, improves the screening quality of casting molding sand.

Example 2: please refer to fig. 4;

a metal chip screening device, which is different from embodiment 1 in that: the separation plate 21 is tapered with its large end facing upward.

When the material is collected to the separation plate 21, although the big end of the separation plate 21 faces upwards, the separation plate 21 rotates at a high speed to drive the material therein to rotate under the driving of the motor 4, and the material can still move out of the separation plate 21 transversely by using the centrifugal force generated by the rotation of the material, but the material moves at a slower speed than that of the embodiment 1, so that the contact time of the material and the magnetic rod is further increased, and the screening effect is further improved.

The utility model is not described in detail in the prior art; for a person skilled in the art, various technical features of the embodiments described above may be combined arbitrarily, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, however, as long as there is no contradiction between the combinations of the technical features, the combinations should be considered as the scope of the present description. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a metal fillings screening plant which characterized in that: comprises a screening barrel (1), a magnetic attraction column (2) and a magnetic component (3);

the screening barrel is characterized in that the upper end and the lower end of the screening barrel (1) are respectively provided with a feeding hole (11) and a discharging hole (12), and the feeding hole (11) and the discharging hole (12) are used for enabling materials to be screened to naturally flow out of the discharging hole (12) after entering the screening barrel (1) from the feeding hole (11) by means of self weight; a plurality of layers of conical partition plates (15) are uniformly arranged in the screening barrel (1) at intervals; the large end of each conical partition plate (15) is fixedly connected to the side wall of the screening barrel (1), and the small end of each conical partition plate is downward and the center of each conical partition plate is provided with a through hole; the magnetic attraction columns (2) are vertically arranged in the through holes, a plurality of separation plates (21) are sleeved on the magnetic attraction columns (2) at uniform intervals, and magnetic force components (3) made of magnetic materials are arranged on the upper surfaces of the separation plates (21); each separation plate (21) is located between two adjacent conical partition plates (15).

2. A metal filing screening arrangement according to claim 1, wherein: the upper end of the magnetic attraction column (2) is connected with a motor (4), and the motor (4) is used for driving the magnetic attraction column (2) to rotate.

3. A scrap metal screening apparatus in accordance with claim 2, wherein: a cover plate (13) is arranged at the upper end of the screening barrel (1), a round hole (131) is formed in the center of the cover plate (13), and the round hole (131) is the feed inlet (11); a bracket (14) is fixedly connected to the cover plate (13), and the center of the bracket (14) is connected with the motor (4).

4. A metal filing screening arrangement according to claim 3, wherein: fixing holes (132) are uniformly formed in the periphery of the cover plate (13), and the fixing holes (132) are used for detachably connecting the cover plate (13) to the screening barrel (1) through inserting bolts.

5. A scrap metal screening apparatus in accordance with claim 4, wherein: the maximum outline diameter of the separating plate (21) is smaller than the diameter of a through hole in the center of the conical partition plate (15) and is used for drawing the magnetic attraction column (2) out of the through hole when the cover plate (13) is dismounted.

6. A scrap metal screening apparatus in accordance with claim 5, wherein: the separating plate (21) is conical, the small end of the separating plate is fixedly connected to the magnetic attraction column (2), and the large end of the separating plate faces upwards.

7. A metal filing screening arrangement according to claim 1, wherein: the separating plate (21) is conical, the small end of the separating plate is fixedly connected to the magnetic attraction column (2), and the large end of the separating plate faces downwards.

8. A metal filing screening arrangement according to claim 1, wherein: the magnetic force component (3) is a plurality of cylindrical magnetic force rods, and the magnetic force rods surround the axis of the magnetic attraction column (2) and are uniformly distributed on the upper surface of the separation plate (21).