CN218013235U - Corundum stock multi-stage reduction device - Google Patents

Abstract

The utility model discloses a corundum blank multistage crushing device, which comprises a first crushing mechanism, a screening mechanism, a second crushing mechanism and a third crushing mechanism; the first crushing mechanism is connected with the screening mechanism; the screening mechanism is used for grading and screening the crushed materials of the first crushing mechanism; the screening mechanism is provided with a first-stage discharge port, a second-stage discharge port and a third-stage discharge port; the first-stage discharge hole is connected to the second crushing mechanism; the second-stage discharge hole is connected to the third crushing mechanism; the third-level discharge port is connected with an A-level finished product stocker. The beneficial effects of the utility model are that: the problem of current corundum multi-stage crushing mode only adopt single circulation mode to lead to the machining efficiency lower is solved.

Description

Corundum stock multi-stage reduction device

Technical Field

The utility model relates to a multistage broken technical field of corundum production, concretely relates to corundum stock multistage reducing mechanism.

Background

The white corundum is one kind of artificial abrasive, has alumina content over 99%, contains small amount of ferric oxide, silicon oxide and other components, and is white. The product granularity is produced according to international standard and national standard, and can be processed according to the granularity required by users. The general granularity numbers are F4-F220, and the chemical compositions of the general granularity numbers are different according to the granularity. The outstanding characteristics are that the crystal size is small and the impact resistance is high, if the crystal is processed and crushed by an autogenous mill, the particles are mostly spherical particles, the surface is dry and clean, and the bonding of a bonding agent is easy. The white corundum is made up by using industrial alumina powder as raw material, smelting at high temp. of above 2000 deg.C in electric arc and cooling, and is made up through the processes of pulverizing, shaping, magnetic separation to remove iron, screening to obtain several granularities, its hardness is slightly higher than that of brown corundum, its texture is compact, hardness is high, purity is high, self-sharpening property is good, grinding capacity is strong, heating quantity is small, efficiency is high, it is acid-base corrosion resistant, and its high-temp. resistance and thermal stability are good, so that it can be used for making ceramic and resin consolidation grinding tool, grinding, polishing, sand blasting and precision casting, etc.

At present, in the working process of preparing white corundum into granules, the white corundum products need to be refined, crushed and screened for many times to obtain finished products, so that the production requirements of plants are met; after primary coarse crushing, the conventional corundum multistage crushing device simply screens by adopting vibration screening to obtain two particle sizes, wherein one particle size is a small particle size meeting the requirement, and the other particle size is directly sent into a secondary crushing device for secondary crushing; the continuous circulation mode leads to the problem of lower processing efficiency, and dust pollution in a factory is larger during vibration screening.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the existing corundum multi-stage crushing mode only adopts a single circulation mode to lead to lower processing efficiency, and provides a corundum blank multi-stage crushing device.

The purpose of the utility model is realized through the following technical scheme: a corundum blank multi-stage crushing device comprises a first crushing mechanism, a screening mechanism, a second crushing mechanism and a third crushing mechanism; the first crushing mechanism is connected with the screening mechanism; the screening mechanism is used for classifying and screening the crushed materials of the first crushing mechanism; the screening mechanism is provided with a first-stage discharge port, a second-stage discharge port and a third-stage discharge port; the first-stage discharge hole is connected to the second crushing mechanism; the second-stage discharge hole is connected to the third crushing mechanism; the third-level discharge port is connected with an A-level finished product stocker;

further, a first vibrating material screening device is arranged in the second crushing mechanism; the two materials screened by the first vibrating screen material device are respectively connected to a grade A finished product stocker and a grade B finished product stocker through conveyer belts;

further, a second vibrating material screening device is arranged in the third crushing mechanism; the two materials screened by the second vibrating screen material device are respectively connected to an A-grade finished product material storage device and a C-grade finished product material storage device through conveyer belts;

further, the screening mechanism comprises a screening box, a first-stage screening plate and a second-stage screening plate; the first-stage material screening plate and the second-stage material screening plate are obliquely and alternately arranged in the screening box; the lower end of the first-stage sieve plate is connected with the first-stage discharge hole; the lower end of the secondary screening plate is connected with a secondary discharge hole; vibration motors are arranged at the bottoms of the first-stage screening plate and the second-stage screening plate;

further, the bottom of the screening box is hinged with a discharging plate through a rotating shaft; the rotating shaft divides the discharging plate into a blanking area and a counterweight area; the bottom of the counterweight area is provided with a counterweight block; the discharging plate is used for movably plugging the bottom of the screening box;

furthermore, a dustproof enclosure is arranged at the top of the screening box; one side of the dustproof enclosure is opened for feeding; the other side of the dustproof enclosure is sequentially connected with a cloth bag dust collector and a fan through a dust collecting pipe;

a ceiling is arranged at the top of the dustproof enclosure; and a spraying dust-settling mechanism is also arranged below the ceiling.

The utility model has the advantages of it is following:

1. the first crushing mechanism sends the materials after the first crushing into the screening mechanism for multi-stage screening, the screened finished products meeting the requirements are sent into an A-level finished product stocker, other materials with different particle sizes are respectively sent into the second crushing mechanism and the third crushing mechanism, the rotating speed and the crushing time of the second crushing mechanism and the third crushing mechanism can be selected according to the different particle sizes screened out, the targeted crushing is facilitated, and the crushing efficiency is improved;

2. the utility model discloses it is preferred, set up dustproof fender of enclosing in screening mechanism to enclose through sack dust collector and fan dustproof and produce suitable negative pressure in keeping off, be favorable to avoiding the dust excessive, spray dust fall mechanism also can further reduce dust pollution when the screening simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the second crushing mechanism.

Fig. 3 is a schematic structural view of a third pulverizing mechanism.

Fig. 4 is a schematic structural view of the sieving mechanism in one use state.

Fig. 5 is a schematic structural view of the sieving mechanism in another use state.

In the figure: 1. a first crushing mechanism; 2. a screening mechanism; 3. a second crushing mechanism; 4. a third crushing mechanism; 5. a first-stage discharge hole; 6. a secondary discharge hole; 7. a third-stage discharge hole; 8.A grade finished goods stocker; 9. a first vibrating screen feeder; a grade B finished product stocker; 11. a second vibrating screen feeder; a C grade finished product stocker; 13. screening the box; 14. a first-stage material sieving plate; 15. a secondary sieve plate; 16. a discharge plate; 17. a rotating shaft; 18. a blanking area; 19. a counterweight zone; 20. a counterweight block; 21. a dustproof enclosure; 22. a dust collecting pipe; 23. a bag-type dust collector; 24. a fan; 25. a ceiling; 26. spraying dust fall mechanism.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, or the directions or positional relationships that the skilled person usually understand, and are only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1: as shown in fig. 1 to 5, a multi-stage corundum blank pulverizing device comprises a first pulverizing mechanism 1, a screening mechanism 2, a second pulverizing mechanism 3 and a third pulverizing mechanism 4; the first crushing mechanism 1 is connected with the screening mechanism 2; the screening mechanism 2 is used for classifying and screening the crushed materials of the first crushing mechanism 1; the screening mechanism 2 is provided with a primary discharge port 5, a secondary discharge port 6 and a tertiary discharge port 7; the first-stage discharge hole 5 is connected to the second crushing mechanism 3; the second-stage discharge hole 6 is connected to the third crushing mechanism 4; the third-level discharge port 7 is connected with a level-A finished product stocker 8; in this embodiment, the first crushing mechanism 1, the second crushing mechanism 3 and the third crushing mechanism 4 are conventional commercially available products, and any reasonable model structure and suitable connection and installation mode can be selected according to needs; in this embodiment, the first-stage discharge port 5 may be connected to the second pulverizing mechanism 3 via a conventional commercially available conveyor belt, and the second-stage discharge port 6 may be connected to the third pulverizing mechanism 4 via a conventional commercially available conveyor belt; the tertiary discharge port 7 may be connected to a level a finished product stocker 8 by a conventional commercially available conveyor belt.

In this embodiment, first rubbing crusher 1 sends the material after the first time is smashed into screening mechanism 2, carries out multistage screening, and the finished product that will satisfy the requirement after the screening is sent into A level finished product stocker 8, and the material of other different particle diameters is sent into second crushing mechanism and third crushing mechanism respectively, can be according to the different particle diameters of screening out select the rotational speed and the broken time length of second crushing mechanism and third crushing mechanism, be favorable to the crushing of pertinence, be favorable to improving crushing efficiency.

A first vibrating screen feeder 9 is arranged in the second crushing mechanism 3; the two materials screened by the first vibrating screen feeder 9 are respectively connected to an A-grade finished product stocker 8 and a B-grade finished product stocker 10 through conveyer belts; in this embodiment, the first vibrating screen feeder 9 is a conventional commercially available vibrating screen feeder, and in this embodiment, the first vibrating screen feeder 9 includes a screening box 13 disposed at the bottom of the second crushing mechanism 3, a screen plate disposed in the screening box 13 in an inclined manner, and a vibrating motor disposed at the bottom of the screen plate; the discharging port on one side of the sieve plate is connected to the B-grade finished product stocker 10 in a larger particle size, and the discharging port below the sieve plate is connected to the A-pole finished product stocker in a smaller particle size. In this embodiment, vibrating motor adopts conventional commercial product, can select arbitrary reasonable model structure and suitable connection mounting means as required.

A second vibrating material screening device 11 is arranged in the third crushing mechanism 4; the two materials screened by the second vibrating screen feeder 11 are respectively connected to a grade A finished product stocker 8 and a grade C finished product stocker 12 through conveyer belts; in this embodiment, the second vibrating sifter 11 is a conventional commercially available vibrating sifter, and in this embodiment, the second vibrating sifter 11 includes a sifting box 13 disposed at the bottom of the second crushing mechanism 3, a sifting plate disposed in the sifting box 13 in an inclined manner, and a vibrating motor disposed at the bottom of the sifting plate; the discharging port on one side of the sieve plate is connected to the C-grade finished product storage device 12 in a larger particle size, and the discharging port below the sieve plate is connected to the A-grade finished product storage device in a smaller particle size. In this embodiment, the vibrating motor adopts conventional commercial product, can select arbitrary reasonable model structure and suitable connection mounting means as required.

The screening mechanism 2 comprises a screening box 13, a first-stage screening plate 14 and a second-stage screening plate 15; the first-stage screening plates 14 and the second-stage screening plates 15 are obliquely and alternately arranged in the screening box 13; the lower end of the first-stage screening plate 14 is connected with the first-stage discharge port 5; the lower end of the secondary screening plate 15 is connected with the secondary discharge hole 6; the bottom parts of the first-stage screening plate 14 and the second-stage screening plate 15 are provided with vibrating motors; the screening plates are obliquely and staggered up and down in the screening box 13, and the screening particle size of each layer is sequentially reduced from top to bottom, so that the corundum crushed aggregates can be screened for multiple times, the corundum crushed aggregates with different particle sizes can be screened out firstly after coarse crushing, and then the corundum crushed aggregates are connected to different crushing devices through different discharge ports, the crushing particle size of the crushing devices can be reasonably selected according to needs, and the processing efficiency can be improved; in the embodiment, the vibration motor is a conventional commercially available product, and any reasonable type structure and suitable connection and installation mode can be selected according to needs; the vibrating motor is beneficial to vibrating the material screening plate and the secondary material screening plate 15 to screen the materials; in this embodiment, one-level sieve flitch 14 and second grade sieve flitch 15 can adopt reasonable mode setting in screening case 13 as required, be favorable to the shale shaker material can.

The bottom of the screening box 13 is hinged with a discharge plate 16 through a rotating shaft 17; the rotating shaft 17 divides the discharging plate 16 into a blanking area 18 and a counterweight area 19; the bottom of the counterweight zone 19 is provided with a counterweight block 20; the discharge plate 16 is used for movably plugging the bottom of the screening box 13;

in this embodiment, it is articulated with screening case 13 bottom that ejection of compact board 16 passes through axis of rotation 17, and arbitrary reasonable material and connection mounting means can be selected as required to axis of rotation 17, and in this embodiment, the axis of rotation 17 and the coplane of screening case 13 bottom are favorable to improving the flexibility and the stability that axis of rotation 17 seals and open screening case 13. In this embodiment, the axis of rotation 17 is offset from the centerline of the take-off plate 16 by a suitable distance. In this embodiment, balancing weight 20 adopts conventional market to purchase the product, can select arbitrary a reasonable structure and model as required, when the screening falls into in the crushed aggregates of bottommost is not arrived blanking area 18, blanking area 18 and counter weight district 19 keep balance, fall into blanking area 18 when the corundum crushed aggregates, the balance is broken, the suitable angle of ejection of compact board 16 upset slope, thereby be favorable to distinguishing the corundum crushed aggregates discharge screening case 13 in 18 with the blanking, be favorable to realizing automatic ration ejection of compact, be favorable to avoiding lasting the ejection of compact and cause a large amount of raise dusts of discharge gate.

The top of the screening box 13 is provided with a dustproof enclosure 21; one side of the dustproof enclosure 21 is opened for feeding; the other side of the dustproof enclosure 21 is sequentially connected with a bag dust collector and a fan 24 through a dust collecting pipe 22; a ceiling 25 is arranged at the top of the dustproof enclosure 21; a spraying dust-settling mechanism 26 is also arranged below the ceiling 25; in this embodiment, the dustproof enclosure 21 is made of a conventional material with certain mechanical strength, and any reasonable material can be selected according to needs; in the embodiment, the bag dust collector, the dust collecting pipe 22 and the fan 24 are all conventional commercial products, and any reasonable type structure and suitable connection and installation mode can be selected according to needs; in this embodiment, the ceiling 25 is made of a conventional material having a certain mechanical strength, and any reasonable material and a reasonable connection and installation manner can be selected as required.

A dust collecting system is formed by the cloth bag dust collector and the fan 24, and a dust collecting pipe 22 is led to one side of the screening box 13, so that negative pressure is formed in the whole shed, and dust cannot be discharged; meanwhile, the top of the dustproof surrounding barrier 21 is provided with a top, so that the dustproof effect is facilitated to be achieved, and the upward overflow of the dustproof effect is facilitated; set up spraying dust fall mechanism 26 on ceiling 25, be favorable to spouting behind the water atomization to dustproof enclosing and keep off 21, be favorable to the raise dust of effective control when sieving and feeding.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (7)

1. A corundum blank multi-stage crushing device comprises a first crushing mechanism, a screening mechanism, a second crushing mechanism and a third crushing mechanism; the method is characterized in that: the first crushing mechanism is connected with the screening mechanism; the screening mechanism is used for grading and screening the crushed materials of the first crushing mechanism; the screening mechanism is provided with a first-stage discharge port, a second-stage discharge port and a third-stage discharge port; the first-stage discharge hole is connected to the second crushing mechanism; the second-stage discharge hole is connected to the third crushing mechanism; the third-level discharge port is connected with an A-level finished product stocker.

2. A corundum blank multistage grinding device according to claim 1, characterized in that: a first vibrating screen feeder is arranged in the second crushing mechanism; the two materials screened by the first vibrating screen material device are respectively connected to a grade A finished product material storage device and a grade B finished product material storage device through conveyer belts.

3. The corundum blank multistage grinding device according to claim 1, characterized in that: a second vibrating material screening device is arranged in the third crushing mechanism; the two materials screened by the second vibrating screen material device are respectively connected to the A-grade finished product material storage device and the C-grade finished product material storage device through conveyer belts.

4. A corundum blank multistage grinding device according to claim 1, characterized in that: the screening mechanism comprises a screening box, a first-stage screening plate and a second-stage screening plate; the first-stage material screening plate and the second-stage material screening plate are obliquely and alternately arranged in the screening box; the lower end of the first-stage sieve plate is connected with the first-stage discharge hole; the lower end of the secondary screening plate is connected with a secondary discharge hole; and vibration motors are arranged at the bottoms of the first-stage screening plate and the second-stage screening plate.

5. A corundum blank multistage grinding device according to claim 4, characterized in that: the bottom of the screening box is hinged with a discharging plate through a rotating shaft; the rotating shaft divides the discharging plate into a blanking area and a counterweight area; the bottom of the counterweight area is provided with a counterweight block; the discharge plate is used for movably plugging the bottom of the screening box.

6. A corundum blank multistage grinding device according to claim 4, characterized in that: the top of the screening box is provided with a dustproof enclosure; one side of the dustproof enclosure is opened for feeding; the other side of the dustproof enclosure is sequentially connected with a cloth bag dust collector and a fan through a dust collecting pipe.

7. A corundum blank multistage grinding device according to claim 6, characterized in that: a ceiling is arranged at the top of the dustproof enclosure; and a spraying dust-settling mechanism is also arranged below the ceiling.

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