CN209736008U - A hierarchical screening plant for mine powder - Google Patents
A hierarchical screening plant for mine powder Download PDFInfo
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- CN209736008U CN209736008U CN201920194220.0U CN201920194220U CN209736008U CN 209736008 U CN209736008 U CN 209736008U CN 201920194220 U CN201920194220 U CN 201920194220U CN 209736008 U CN209736008 U CN 209736008U
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Abstract
A grading screening device for mine powder comprises a screen box, a first screen frame, a second screen frame and a third screen frame are concentrically arranged in the screen box from inside to outside at intervals, the two ends of the first screen frame and the second screen frame and the two ends of the second screen frame and the third screen frame are respectively and fixedly connected through a plurality of connecting rods, a feeding hopper is rotatably connected at the left end part of the first screen frame, a feeding mechanism is arranged in the feeding hopper, a gear ring is fixedly connected with the outer wall of the left end part of the third screen frame, a first driving motor is arranged in the screen box, a gear which is in meshing transmission connection with the gear ring and is arranged on an output shaft of the first driving motor, the first screen frame, the screen meshes of the first screen frame, the second screen frame and the third screen frame are sequentially reduced in diameter, and the right side wall of the screen box is fixedly connected with a first discharge hopper, a second discharge hopper and a third discharge hopper respectively. The utility model discloses compact structure, job stabilization, simple operation, screening are effectual, screening efficiency is high.
Description
Technical Field
The utility model belongs to the technical field of mining machinery, especially, relate to a hierarchical screening plant for mine powder.
Background
Mine powder is a general name of stone powder and substitutes thereof meeting engineering requirements, is a product obtained by crushing and processing ores, is a first step of ore processing and smelting and the like, and is one of the most important steps. The demand of mineral powder in the building industry is getting larger, the mineral powder in bulk is an important part in the mineral powder production process, the mineral powder can be further divided into common mineral powder and superfine mineral powder, and the mineral powder with different thicknesses has different functions, so that the mineral powder needs to be classified and screened. The existing mineral powder screening is usually carried out by adopting airflow screening or vibration screening, the airflow screening is adopted, the screening precision is low due to the fact that the working condition in an airflow field is difficult to determine, and the screening efficiency and the energy consumption are high due to the adoption of the vibration screening.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the weak point among the prior art, provide a hierarchical screening plant for mine powder compact structure, job stabilization, simple operation, screening are effectual, screening efficiency is high.
In order to solve the technical problem, the utility model adopts the following technical scheme: the grading screening device for mine powder comprises a screen box, wherein a first screen frame, a second screen frame and a third screen frame are arranged in the screen box from inside to outside at a concentric interval, the first screen frame, the second screen frame and the third screen frame are of conical structures which are large at the left side and small at the right side, the conical structures are arranged between the two ends of the first screen frame and the two ends of the second screen frame and between the two ends of the second screen frame and the two ends of the third screen frame through a plurality of connecting rods and are fixedly connected respectively, a feeding hopper is connected in the rotary mode at the left end of the first screen frame, a feeding mechanism is arranged in the feeding hopper, a gear ring is fixedly connected to the outer wall of the left end of the third screen frame, a first driving motor is arranged in the screen box, a gear which is in transmission connection with the gear ring is installed on an output shaft of the first driving motor, screen meshes are respectively and hermetically arranged on the first screen frame, the second screen frame and the third screen frame, the screen mesh diameters of the first screen frame, the second, The second goes out hopper and third and goes out the hopper, and first play hopper left end portion rotates to be connected in first bank of screens right-hand member portion, and the second goes out the hopper left end portion and rotates to be connected between first bank of screens and second bank of screens right-hand member portion, and the third goes out the hopper left end portion and rotates to be connected between second bank of screens and third bank of screens right-hand member portion.
The inner walls of the first sieve frame, the second sieve frame and the third sieve frame are fixedly connected with spiral guide blades along the length direction of the first sieve frame, the second sieve frame and the third sieve frame respectively.
Feed mechanism is including rotating the pivot of connection in the feeder hopper, and the pivot right-hand member stretches into to first bank of screens in, and the feeder hopper lateral wall is provided with and is used for driving pivot pivoted second driving motor, and its axial fixedly connected with helical conveying blade is followed to the pivot outer wall.
The outer wall of the right end part of the rotating shaft is fixedly connected with a plurality of material distributing plates at intervals along the circumferential direction.
third bank of screens left end and right-hand member portion lower part both sides are provided with supporting component respectively, and supporting component includes the supporting seat of fixed connection on the sieve case, and the supporting seat internal rotation is connected with the backing roll, backing roll outer wall and third bank of screens outer wall roll connection.
Adopt above-mentioned technical scheme, the utility model has the advantages of as follows:
1. In the utility model, a first sieve frame, a second sieve frame and a third sieve frame are concentrically arranged from inside to outside, a first driving motor is controlled to rotate, the first sieve frame, the second sieve frame and the third sieve frame are driven to synchronously rotate through meshing transmission of a gear and a gear ring, so that mine powder is classified and sieved, the mine powder entering the first sieve frame rotates along with the first sieve frame, the mine powder is sieved by a screen on the first sieve frame in the rotating process, small-particle powder falls between the second sieve frame and the first sieve frame, large-particle powder is conveyed along with a spiral guide blade on the first sieve frame and is guided out by a first discharge hopper, and similarly, the mine powder entering the space between the second sieve frame and the first sieve frame is sieved under the action of the screen on the second sieve frame, the small-particle powder falls between the second sieve frame and the third sieve frame, and the powder is conveyed along with the spiral guide blade on the second sieve frame, the mine powder entering the space between the second screen frame and the third screen frame is conveyed under the action of the spiral guide blade on the third screen frame and is guided out through the third discharge hopper, so that grading screening is achieved, and by adopting the structure, the screening effect is high and the screening efficiency is high.
2. Be provided with feed mechanism in the feeder hopper, second driving motor drives the pivot and rotates, and the mine powder is carried to first bank of screens under helical conveying blade's effect in, and the outer wall of pivot right-hand member portion is along a plurality of branch flitchs of its circumferencial direction interval fixedly connected with, disperses the mine powder that gets into in the first bank of screens, improves screening efficiency.
3. Supporting components are arranged on the two sides of the lower portion of the left end portion and the lower portion of the right end portion of the third screen frame respectively, and supporting rollers in the supporting components support the third screen frame in the rotating process of the third screen frame, so that the rotating stability of the third screen frame is greatly improved.
Drawings
Fig. 1 is a schematic front view of the present invention;
Fig. 2 is a left side view structure diagram of the present invention.
Detailed Description
As shown in the figures 1-2, the grading and screening device for mine powder of the utility model comprises a screen box 1, a first screen frame 2, a second screen frame 3 and a third screen frame 4 are concentrically arranged in the screen box 1 from inside to outside at intervals, the first screen frame 2, the second screen frame 3 and the third screen frame 4 are all arranged in a conical structure with a large left end and a small right end, a plurality of connecting rods 5 are respectively fixedly connected between the two ends of the first screen frame 2 and the second screen frame 3 and between the two ends of the second screen frame 3 and the third screen frame 4, a feed hopper 6 is rotatably connected at the left end of the first screen frame 2, a feeding mechanism is arranged in the feed hopper 6, a gear ring 7 is fixedly connected with the outer wall of the left end of the third screen frame 4, a first driving motor 8 is arranged in the screen box 1, a gear 9 which is engaged and transmission connected with the gear ring 7 is arranged on the output shaft of the first driving motor 8, a screen 10 is respectively arranged on the first screen frame 2, the second screen frame 3 and the third screen frame, the sieve mesh diameters of the screen meshes of the first sieve frame 2, the second sieve frame 3 and the third sieve frame 4 are reduced in sequence, the right side wall of the sieve box 1 is fixedly connected with a first discharge hopper 11, a second discharge hopper 12 and a third discharge hopper 13 respectively, the left end part of the first discharge hopper 11 is connected in the right end part of the first sieve frame 2 in a rotating manner, the left end part of the second discharge hopper 12 is connected between the right end parts of the first sieve frame 2 and the second sieve frame 3 in a rotating manner, and the left end part of the third discharge hopper 13 is connected between the right end parts of the second sieve frame 3 and the third sieve frame 4 in a rotating manner.
The inner walls of the first sieve frame 2, the second sieve frame 3 and the third sieve frame 4 are fixedly connected with spiral guide blades 14 along the length direction of the inner walls respectively.
Feed mechanism is including rotating pivot 15 of connection in feeder hopper 6, and 15 right-hand members in the pivot stretches into first bank of screens 2, and 6 lateral walls of feeder hopper are provided with and are used for driving 15 pivoted second driving motor 16 of pivot, and 15 outer walls of pivot are connected with helical conveying blade 17 along its axial fixedly.
The outer wall of the right end of the rotating shaft 15 is fixedly connected with a plurality of distributing plates 18 at intervals along the circumferential direction.
4 left end of third bank of screens and right-hand member lower part both sides are provided with supporting component respectively, and supporting component includes supporting seat 19 of fixed connection on sieve case 1, and 19 internal rotation on supporting seat are connected with backing roll 20, and 20 outer walls of backing roll are connected with 4 outer walls of third bank of screens roll.
When the utility model is used, mine powder to be screened is guided into the feed hopper 6 and is conveyed into the first sieve frame 2 through the feed mechanism, the second driving motor 16 drives the rotating shaft 15 to rotate, the mine powder is conveyed into the first sieve frame 2 under the action of the spiral conveying blade 17, the first driving motor 8 rotates, the first sieve frame 2, the second sieve frame 3 and the third sieve frame 4 are driven to synchronously rotate through the meshing transmission of the gear 9 and the gear ring 7, the mine powder in the first sieve frame 2 rotates along with the first sieve frame 2, the screen 10 on the first sieve frame 2 screens the mine powder in the rotating process, small-particle powder falls between the second sieve frame 3 and the first sieve frame 2, large-particle powder is conveyed along with the spiral guide blade 14 on the first sieve frame 2 and is guided out through the first discharge hopper 11, and the same is adopted, the mine powder entering between the second sieve frame 3 and the first sieve frame 2 is screened under the action of the screen 10 on the second sieve frame 3, the tiny particle powder falls to between second bank of screens 3 and the third bank of screens 4, and the large granule powder is carried along with spiral guide vane 14 on the second bank of screens 3, derives through second play hopper 12, and the mine powder that gets into between second bank of screens 3 and the third bank of screens 4 is carried under spiral guide vane 14's effect on the third bank of screens 4, derives through third play hopper 13 to reach hierarchical screening, adopt above-mentioned structure, the screening effect, and screening efficiency is high.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.
Claims (5)
1. The utility model provides a hierarchical screening plant for mine powder which characterized in that: the sieve box comprises a sieve box, wherein a first sieve frame, a second sieve frame and a third sieve frame are concentrically arranged in the sieve box from inside to outside at intervals, the first sieve frame, the second sieve frame and the third sieve frame are of conical structures with large left parts and small right parts, the two ends of the first sieve frame and the two ends of the second sieve frame are fixedly connected through a plurality of connecting rods respectively, the left end part of the first sieve frame is rotationally connected with a feed hopper, a feeding mechanism is arranged in the feed hopper, the outer wall of the left end part of the third sieve frame is fixedly connected with a gear ring, a first driving motor is arranged in the sieve box, a gear which is in meshing transmission connection with the gear ring is arranged on an output shaft of the first driving motor, sieve meshes are respectively and hermetically arranged on the first sieve frame, the second sieve frame and the third sieve frame, the sieve mesh diameters of the first sieve frame, the second sieve frame and the third sieve mesh are sequentially reduced, and the right side wall of the sieve box is fixedly connected with a first, The second goes out hopper and third and goes out the hopper, and first play hopper left end portion rotates to be connected in first bank of screens right-hand member portion, and the second goes out the hopper left end portion and rotates to be connected between first bank of screens and second bank of screens right-hand member portion, and the third goes out the hopper left end portion and rotates to be connected between second bank of screens and third bank of screens right-hand member portion.
2. The classifying and screening device for mine powder of claim 1, wherein: the inner walls of the first sieve frame, the second sieve frame and the third sieve frame are fixedly connected with spiral guide blades along the length direction of the first sieve frame, the second sieve frame and the third sieve frame respectively.
3. A classifying and screening device for mine fines as claimed in claim 1 or 2, characterised in that: feed mechanism is including rotating the pivot of connection in the feeder hopper, and the pivot right-hand member stretches into to first bank of screens in, and the feeder hopper lateral wall is provided with and is used for driving pivot pivoted second driving motor, and its axial fixedly connected with helical conveying blade is followed to the pivot outer wall.
4. A classifying and screening device for mine powder according to claim 3, wherein: the outer wall of the right end part of the rotating shaft is fixedly connected with a plurality of material distributing plates at intervals along the circumferential direction.
5. The classifying and screening device for mine powder of claim 4, wherein: third bank of screens left end and right-hand member portion lower part both sides are provided with supporting component respectively, and supporting component includes the supporting seat of fixed connection on the sieve case, and the supporting seat internal rotation is connected with the backing roll, backing roll outer wall and third bank of screens outer wall roll connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920194220.0U CN209736008U (en) | 2019-02-13 | 2019-02-13 | A hierarchical screening plant for mine powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920194220.0U CN209736008U (en) | 2019-02-13 | 2019-02-13 | A hierarchical screening plant for mine powder |
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| CN209736008U true CN209736008U (en) | 2019-12-06 |
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| CN201920194220.0U Active CN209736008U (en) | 2019-02-13 | 2019-02-13 | A hierarchical screening plant for mine powder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111036538A (en) * | 2019-12-31 | 2020-04-21 | 赣州雅格贸易有限公司 | Coarse sand screening and drying device for constructional engineering |
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2019
- 2019-02-13 CN CN201920194220.0U patent/CN209736008U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111036538A (en) * | 2019-12-31 | 2020-04-21 | 赣州雅格贸易有限公司 | Coarse sand screening and drying device for constructional engineering |
| CN111036538B (en) * | 2019-12-31 | 2021-11-12 | 菏泽城建工程发展集团有限公司 | Coarse sand screening and drying device for constructional engineering |
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