CN218309186U - A classification and screening device for brown corundum abrasive - Google Patents

Abstract

The utility model discloses a grading and screening device for brown corundum abrasives, which comprises a soundproof box body, a fixed plate is arranged on the inner bottom surface of the soundproof box body, a movable plate is connected to the top of the fixed plate through a spring, and a first sieve is arranged obliquely on the top of the movable plate One end of the first screen is hinged on the soundproof body, and the left and right grading and screening structures are symmetrically arranged on the left and right sides of the movable plate. The left and right grading and screening mechanisms have the same structure. Vibration motor, the feeding hopper is set on the upper side of the soundproof box and above the first screen, and the dust removal mechanism is set under the soundproof box. The mechanism includes the second screen, the third screen and the discharge plate distributed from top to bottom; on the one hand, the utility model adopts a multi-stage screening structure to make the screening more thorough and avoid secondary screening; Dust removal mechanism reduces dust.

Description

A Classification and Screening Device for Brown Corundum Abrasives

technical field

The utility model relates to the technical field of corundum abrasives, in particular to a classification and screening device for brown corundum abrasives.

Background technique

Brown corundum is made of high-quality abrasive grade bauxite as raw material, with auxiliary materials, and is refined in an electric arc furnace at a high temperature above 2250 °C. It has good self-sharpening and strong grinding force, so it is used as an abrasive and has good performance. In the production process of brown corundum abrasives, large pieces of brown corundum are often crushed and then screened out with suitable particle size as abrasives. However, the pulverized brown corundum often produces a lot of harmful dust, which will cause harm to the human body during the screening process. The abrasive is relatively small, so it is easy to accumulate and cause incomplete screening, which requires secondary screening.

Therefore, there is a need for a structure that can achieve thorough screening and reduce brown corundum dust.

Utility model content

In view of this, the utility model provides a grading and screening device for brown corundum abrasives, which can not only make the screening more thorough and avoid secondary screening through the multi-stage screening structure, but also reduce dust through the dust removal mechanism.

In order to achieve the above purpose, the utility model provides a grading and screening device structure for brown corundum abrasives, including a soundproof box body, a fixed plate is arranged on the inner bottom surface of the soundproof box body, and the upper part of the fixed plate is connected to the movable plate through a spring , the top of the movable plate is obliquely provided with a first screen, one end of the first screen is hinged on the soundproof box, and the left and right grading and screening structures are symmetrically arranged on the left and right sides of the movable plate, The structure of the left grading and screening mechanism is the same as that of the right grading and screening mechanism. A vibration motor is arranged on the movable plate. A dust removal mechanism is set under the soundproof box body, and a material receiving mechanism is respectively set on the outside of the left grading and screening mechanism and the right grading and screening mechanism;

The left grading and screening mechanism includes a second screen, a third screen, and a discharge plate distributed in an inclined order from top to bottom, and one end of the second screen, the third screen, and the discharge plate are all arranged on the movable plate, the first square hole, the second square hole and the third hole are arranged in sequence from top to bottom on the left side of the soundproof box, and the second screen, the third screen and the The other end of the discharge plate is movably inserted in the first square hole, the second square hole and the third third hole in sequence and protrudes from the corresponding square holes. The first square hole, the Both the second square hole and the third hole are provided with discharge ports.

Further, the dust removal mechanism includes a dust suction fan, the dust suction fan is arranged at the lower part of the soundproof box body, and a dust removal hopper is provided, and a layered dust removal cotton is arranged in the dust removal hopper. Obviously, the dust removal cotton is for filtering dust, so the dust cotton or dust bucket is set to be replaceable.

Further, the material receiving mechanism includes a material receiving bracket, and three material receiving ports are arranged on the material receiving bracket, and the second screen, the third screen and the tail end of the discharge plate respectively extend into three Each material receiving port is equipped with a receiving hopper, and a storage box is arranged under the receiving hopper, and a roller is arranged under the storage box. Obviously, the storage box is for collecting finished products, so it can also be Use conveyor belts.

Further, a slope is set on the top of the movable plate, and the slope angle of the slope is consistent with the slope angle of the first screen. Obviously, the slope is set to make the brown fused alumina slide down, so as long as the vibration state is satisfied Brown fused alumina can slide down the angle can meet the requirements

Further, the hole diameter on the first screen is the largest, followed by the second screen, and finally the third screen, and vent holes are set on the discharge plate, obviously, the discharge plate It does not function as a sieve, so the diameter of the air hole must be smaller than the minimum diameter of the required abrasive.

Further, the sound-proof enclosure uses sound-insulating materials, and a support is provided at the bottom of the enclosure, and the height of the support is greater than the height of the dust-removing hopper.

The beneficial effects of the above-mentioned technical solution of the utility model are as follows: the utility model aims at the prior art, the pulverized brown corundum often produces a lot of harmful dust, which is raised during the screening process and causes harm to the human body, and during the screening process due to the comparison of abrasives It is small, so it is easy to accumulate and cause incomplete screening, which requires a technical problem of secondary screening. A grading and screening device structure for brown corundum abrasives is provided, including a soundproof box body, a fixed plate is arranged on the inner bottom surface of the soundproof box body, and a movable plate is connected to the top of the fixed plate through a spring, and the top end of the movable plate is inclined The first screen, one end of the first screen is hinged on the soundproof body, and the left and right sides of the movable plate are symmetrically provided with a left classification and screening structure and a right classification and screening mechanism, and the left classification and screening mechanism and the The structure of the right grading and screening mechanism is the same, the movable plate is provided with a vibration motor, the upper side of the soundproof box and above the first screen is provided with a feeding hopper, and a dust removal mechanism is arranged under the soundproof box. The outer sides of the left grading and screening mechanism and the right grading and screening mechanism are respectively provided with receiving mechanisms.

The utility model provides a grading and screening device for brown corundum abrasives, which can not only make the sieving more thorough and avoid secondary sieving through a multi-stage sieving structure, but also reduce dust through a dust removal mechanism.

Description of drawings

Fig. 1 is a kind of assembling structure schematic diagram of the grading screening device that is used for brown corundum abrasive of the present utility model;

Fig. 2 is the left structural representation of a kind of grading and screening device for brown corundum abrasive of the utility model;

Reference signs:

feed hopper 1;

Soundproof box 2;

Activity board 3;

first screen 4;

vibration motor 5;

spring6;

fixed plate 7;

The first square hole 8;

second screen 9;

The second square hole 10;

third screen 11;

third party hole 12;

Discharge plate 13;

Dust suction fan 14;

support 15;

Dust removal bucket 16;

Dust cotton 17

storage box 18;

receiving hopper 19;

Receiving support 20.

detailed description

In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the accompanying drawings 1-2 of the embodiment of the utility model. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. All other embodiments obtained by persons of ordinary skill in the art based on the described embodiments of the present invention belong to the protection scope of the present invention.

As shown in Figure 1-2: a grading and screening device for brown corundum abrasives. In order to solve the problem of incomplete screening and carry out secondary screening, two screening systems are set up for thorough screening, and the corundum abrasive dust is Harmful to the human body, so it is necessary to purify the corundum abrasive dust in the raw material, including the soundproof box, the inner bottom surface of the soundproof box is provided with a fixed plate, the upper part of the fixed plate is connected to the movable plate by a spring, and the top of the movable plate is inclined to set the second A screen, one end of the first screen is hinged on the soundproof body, the left and right sides of the movable plate are symmetrically provided with a left classification and screening structure and a right classification and screening mechanism, and the left classification and screening mechanism and the The structure of the right grading and screening mechanism is the same, the movable plate is provided with a vibration motor, the upper side of the soundproof box body and above the first screen is provided with a feeding hopper, and a dust removal mechanism is set under the soundproof box body. The outer sides of the left grading and screening mechanism and the right grading and screening mechanism are respectively provided with receiving mechanisms;

The left grading and screening mechanism includes a second screen, a third screen, and a discharge plate distributed in an inclined order from top to bottom, and one end of the second screen, the third screen, and the discharge plate are all arranged on the movable plate, the first square hole, the second square hole and the third hole are arranged in sequence from top to bottom on the left side of the soundproof box, and the second screen, the third screen and the The other end of the discharge plate is movably inserted in the first square hole, the second square hole and the third third hole in sequence and protrudes from the corresponding square holes. The first square hole, the Both the second square hole and the third hole are provided with discharge ports.

Specifically, as shown in Figure 1-2, a grading and screening device for brown corundum abrasives includes a soundproof box 2, a fixed plate 7 is arranged on the inner bottom surface of the soundproof box 2, and the fixed plate 7 The upper part is connected with the movable plate 3 by a spring 6, and the top of the movable plate 3 is inclined with a first screen 4, and one end of the first screen 4 is hinged on the soundproof box body 2, and the left and right sides of the movable plate 3 A left graded screening structure and a right graded screening mechanism are arranged symmetrically. The left graded screening mechanism and the right graded screening mechanism have the same structure. A feed hopper 1 is arranged above the first screen 3, a dust removal mechanism is arranged under the soundproof box body 2, and a receiving mechanism is respectively arranged on the outside of the left grading and screening mechanism and the right grading and screening mechanism;

The left grading and screening mechanism includes a second screen 9, a third screen 11 and a discharge plate 13 that are distributed obliquely from top to bottom, and the second screen 9, the third screen 11 and the One end of the discharge plate 13 is all arranged on the movable plate 3, and the first square hole 8, the second square hole 10 and the third-party hole 12 are sequentially arranged on the left side of the soundproof box 2 from top to bottom. The other ends of the second screen 9, the third screen 11 and the discharge plate 13 are sequentially inserted into the first square hole 8, the second square hole 10 and the third third hole 12. And protrude corresponding square holes, the first square hole 8, the second square hole 10 and the third third hole 12 are all provided with discharge ports.

According to an embodiment of this case, as shown in Figure 1-2, the dust removal mechanism needs to have a purification function to prevent air pollution. The dust removal mechanism includes a dust suction fan 14, and the dust suction fan 14 is arranged on the soundproof box 2 The lower part is provided with a dust removal bucket 16, and a layered dust removal cotton 17 is arranged inside the dust removal bucket 16.

According to one embodiment of the present case, as shown in Figure 1, a material receiving mechanism is provided for the convenience of material receiving, and the material receiving mechanism includes a material receiving bracket 20, and three material receiving ports are arranged on the material receiving bracket 20, and the first The tail ends of the second screen 9, the third screen 11 and the discharge plate 12 extend into three feed openings respectively, and a feed hopper 19 is arranged inside each feed feed opening, and a storage material is arranged below the feed feed hopper. Box 18, rollers are set below the storage box 18.

According to an embodiment of the present application, as shown in FIG. 1 , a slope is provided on the top of the movable plate 3 , and the slope angle of the slope is consistent with the slope angle of the first screen 4 .

According to one embodiment of the present case, as shown in Figure 1, the sieves are arranged to be distributed up and down, so the upper sieves are larger than the lower sieves, and the aperture on the first sieve 4 is the largest, followed by the second sieve. 9, then the third screen 11, and finally the discharge plate 13, and the hole diameter of the discharge plate 13 is smaller than the required abrasive diameter, obviously the holes on the discharge plate 13 are only for Breathable to allow dust to pass through.

According to an embodiment of the present case, as shown in Fig. 1-2, in order to ensure smooth ventilation of the dust removal hopper, a support 15 is provided at the bottom of the soundproof box body 2, and the height of the support 15 is greater than that of the dust removal hopper 16 .

The use method of the utility model: pour the crushed brown corundum raw material into the first screen 4 through the feeding hopper 1, turn on the vibration motor 5, and the brown corundum will leak into the second screen along with the holes on the first screen 4 Net 9 is screened through the second screen 9, the third screen 11, and the discharge plate 13, and the finished product after screening falls into the corresponding storage box through the receiving hopper 19 along with the channel on the receiving bracket 20 18. The brown corundum raw material that has not been thoroughly screened enters the right screening mechanism with the movable plate for secondary screening to improve the screening quality; at the same time, the dust suction fan 14 is turned on, and the dust passes through the dust removal cotton 17 with the action of the dust suction fan 14, thereby Play a role in purifying dust.

The foregoing is a preferred embodiment of the present utility model, and it should be pointed out that for those of ordinary skill in the art, some improvements and modifications can be made without departing from the principle of the present utility model. Retouching should also be regarded as the scope of protection of the present utility model.

Claims (6)

1. A classifying and screening device for brown corundum abrasives, characterized in that: it comprises a soundproof box body, a fixed plate is set on the inner bottom surface of the described soundproof box body, the top of the fixed plate is connected with a movable plate by a spring, and the movable plate The top of the plate is inclined with a first screen, and one end of the first screen is hinged on the soundproof box, and the left and right sides of the movable plate are symmetrically provided with a left classification and screening structure and a right classification and screening mechanism. The screening mechanism has the same structure as the right grading and screening mechanism, a vibration motor is arranged on the movable plate, and a feeding hopper is arranged on the upper side of the soundproof box and above the first screen, and is located under the soundproof box A dust removal mechanism is set, and a receiving mechanism is respectively arranged on the outside of the left grading and screening mechanism and the right grading and screening mechanism; The left grading and screening mechanism includes a second screen, a third screen, and a discharge plate distributed in an inclined order from top to bottom, and one end of the second screen, the third screen, and the discharge plate are all arranged on the movable plate, the first square hole, the second square hole and the third hole are arranged in sequence from top to bottom on the left side of the soundproof box, and the second screen, the third screen and the The other end of the discharge plate is movably inserted in the first square hole, the second square hole and the third third hole in sequence and protrudes from the corresponding square holes. The first square hole, the Both the second square hole and the third hole are provided with discharge ports. 2. The classification and screening device for brown corundum abrasives as claimed in claim 1, characterized in that: the dust removal mechanism comprises a dust suction fan, and the dust suction fan is arranged on the lower part of the soundproof box body, and a dust removal bucket is set. A layered dust-removing cotton is arranged in the dust-removing hopper. 3. the classifying and screening device for brown corundum abrasive as claimed in claim 1, is characterized in that: described receiving mechanism comprises receiving support, and three feeding openings are set on described receiving support, and described second The sieve, the third sieve and the tail end of the discharge plate respectively extend into three material receiving ports, each material receiving port is provided with a hopper, and a material storage box is arranged below the hopper, and the material storage Rollers are set below the box. 4 . The grading and screening device for brown corundum abrasives according to claim 1 , wherein an inclined surface is provided on the top of the movable plate, and the inclined angle of the inclined surface is consistent with the inclined angle of the first screen. 5. The classification and screening device for brown corundum abrasives as claimed in claim 1, characterized in that: the aperture on the first sieve is the largest, followed by the second sieve, and finally the third sieve , and vent holes are set on the discharge plate. 6. The grading and screening device for brown corundum abrasives as claimed in claim 2, characterized in that: the soundproof soundproof body uses soundproof materials, and the bottom of the soundproof soundproof body is provided with a support, and the height of the support is greater than The height of the dust removal hopper.

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