CN114558767B - Automatic classifying and screening device for sand aggregates - Google Patents
Automatic classifying and screening device for sand aggregates Download PDFInfo
- Publication number
- CN114558767B CN114558767B CN202210224751.6A CN202210224751A CN114558767B CN 114558767 B CN114558767 B CN 114558767B CN 202210224751 A CN202210224751 A CN 202210224751A CN 114558767 B CN114558767 B CN 114558767B
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- partition plate
- screening
- middle partition
- plate
- mounting frame
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- 238000012216 screening Methods 0.000 title claims abstract description 60
- 239000004576 sand Substances 0.000 title claims abstract description 25
- 238000005192 partition Methods 0.000 claims abstract description 129
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000001174 ascending effect Effects 0.000 claims description 2
- 239000004575 stone Substances 0.000 description 9
- 238000005034 decoration Methods 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 7
- 238000011161 development Methods 0.000 description 2
- 208000033830 Hot Flashes Diseases 0.000 description 1
- 206010060800 Hot flush Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention provides an automatic grading and screening device for sand and aggregate, which relates to the technical field of screening devices, and comprises: a mounting frame; the screening drum is arranged on the mounting frame, a driving motor for driving the screening drum to rotate is arranged on the mounting frame, the size of meshes on the screening drum is gradually reduced from left to right, and a screw rod is fixedly connected in the screening drum; a conveyor arranged below the screening drum; the grading mechanism comprises a front partition plate, a rear partition plate and at least two middle partition plates, wherein the front partition plate, the rear partition plate and the at least two middle partition plates are arranged between the conveying device and the screening roller; the sandstone of different sizes is evenly arranged from left to right according to the size, makes the sandstone of different size ranges gather together through setting up the grading mechanism, and controls the middle baffle through drive arrangement and moves to make blanking scope equally divide into a plurality of portions, consequently conveniently adjust the grading standard.
Description
Technical Field
The invention relates to the technical field of screening devices, in particular to an automatic grading screening device for sand aggregates.
Background
With the improvement of the living standard and the progress of scientific technology, the living environment is continuously improved. The building industry is growing faster and faster. Architectural decoration is an abbreviation for architectural decoration and fitment engineering. The building decoration is various treatment processes for the inner and outer surfaces and the space of the building by adopting decoration material or ornaments for protecting the main structure of the building, improving the physical properties of the building, using functions and beautifying the building. Architectural decoration is an indispensable part of people's life. Is an important friend of human taste life. The architectural decoration industry has become one of three major supporting industries in the construction industry, which is a labor-intensive industry. The building decoration industry is a fast growing sun-facing industry with the gradual rise of real estate hot flashes. In recent years, along with the rapid growth of Chinese economy and the vigorous development of related industries, the building decoration industry increasingly shows great development potential, and the market growth space is increased at a speed of about 20% annually on average. Sand is commonly used in building finishing, and sand refers to a loose mixture of sand and broken stone.
Sand and stone need screen before using, and the effect of the grit of different granularity sizes is inconsistent, consequently need screen, but current screening plant is fixed to each kind of grit size range after the grit screening, can not select the grit of different size ranges as required.
Disclosure of Invention
The invention aims to provide an automatic grading and screening device for sand and aggregate, and aims to solve the problems that the size range of each sand and stone screened by the screening device in the prior art is fixed, and sand and stones in different size ranges cannot be selected according to requirements.
In order to achieve the above purpose, the invention adopts the following technical scheme: automatic hierarchical screening plant of grit aggregate includes:
a mounting frame;
the screening drum is arranged on the mounting frame, a driving motor for driving the screening drum to rotate is arranged on the mounting frame, the size of meshes on the screening drum is gradually reduced from left to right, and a screw rod is fixedly connected in the screening drum;
a conveyor arranged below the screening drum;
the classifying mechanism comprises a front partition plate, a rear partition plate and at least two middle partition plates, wherein the front partition plate, the rear partition plate and the at least two middle partition plates are arranged between the conveying device and the screening roller, and the front partition plate and the rear partition plate are fixedly arranged on the mounting frame;
and the driving device is used for enabling the middle partition plates to sequentially move, the distance between the front partition plate and the rear partition plate is 1, and when the first middle partition plate moves to a position 1/x away from the front partition plate, x-1 middle partition plates are moved to enable the distance between the front partition plate and the rear partition plate to be equal to x, and x is an integer larger than 2.
In order to make the invention have the function of driving the middle partition plates to move, a further technical scheme of the invention is that the driving device comprises a driving part for controlling the first middle partition plate to move transversely, and a transmission mechanism for driving the next middle partition plate to move is arranged between the middle partition plates.
According to a further technical scheme, the driving component comprises a motor fixedly arranged on a mounting frame, a lead screw is fixedly arranged at the output end of the motor, nuts meshed with the lead screw are fixedly arranged on a first middle partition plate, through holes are formed in other middle partition plates, the lead screw penetrates through the through holes, a guide rod is fixedly connected to the mounting frame, and the guide rod is in sliding connection with the middle partition plates.
In order to enable the middle partition plate to sequentially move so as to equally divide the space between the front partition plate and the rear partition plate, the transmission mechanism comprises a plurality of connecting rods which are respectively and fixedly connected to two ends of each middle partition plate, one end of each connecting rod is rotatably connected with a duplex gear, a first rack which is meshed with one gear of the duplex gears is fixedly connected to the connecting rods, a rack plate is fixedly connected to the mounting frame, a plurality of second racks which are respectively meshed with the other gear of the duplex gears are arranged on the rack plate, one end of each second rack is on the same plane with the rear partition plate, and the transmission ratio between two gears of the duplex gears which are arranged on the connecting rods connected with the y-th middle partition plate is 1/y.
In order to enable the screening drum to have the function of preventing sand from being thrown out, the screening drum is further characterized in that baffle plates are arranged on two sides of the screening drum.
According to a further technical scheme, one end of the screening roller is rotatably connected with a feed chute, and the other end of the screening roller is rotatably connected with a discharge chute.
In order to prevent the sand and gravel in various ranges from being mixed together, the invention has the further technical scheme that a rotating plate is hinged on the middle partition plate, a connecting rod is hinged on the rotating plate, the other end of the connecting rod is hinged with a movable seat, the movable seat is connected on the middle partition plate in a sliding manner, and an elastic piece is connected between the movable seat and the middle partition plate.
According to a further technical scheme of the invention, the elastic piece is a spring.
In order to prevent the invention from moving the rotating plate due to sand impact, a further technical scheme of the invention is that a fixing component for fixing the position of the movable seat is arranged on the middle partition plate.
According to a further technical scheme, the fixing assembly comprises clamping blocks which are connected with the middle partition board in a sliding manner and used for clamping the movable seat to prevent the movable seat from ascending, compression springs are connected between the clamping blocks and the middle partition board, each rotating plate and each rear partition board are fixedly connected with a magnet, and the magnets and the clamping blocks are attracted to each other.
The beneficial effects of the invention are as follows:
1. when the sand and stone classifying device is used, sand and stones with different sizes fall onto the conveying device from different meshes after passing through the screening roller, the sand and stones with different sizes are uniformly distributed from left to right according to the sizes, the sand and stones with different size ranges are gathered together by arranging the classifying mechanism, and the movement of the middle partition plate is controlled by the driving device, so that the blanking range is averagely divided into a plurality of parts, and the regulation and classifying standard is convenient.
2. When the invention is used, when the middle partition plate needs to be retracted, the driving device is started to enable the middle partition plate to move, after the last middle partition plate is attached to the rear partition plate, the magnet attracts the clamping block, so that the clamping block moves, the movable seat can move upwards, when the last middle partition plate is extruded by the last middle partition plate, the rotary plate on the last middle partition plate rotates, so that the rotary plate is retracted, and meanwhile, the magnet on the rotary plate attracts the clamping block on the last middle partition plate, so that the rotary plate can be sequentially retracted, and therefore, sand and stones in various ranges can be prevented from being mixed by unfolding the rotary plate, and the rotary plate can be automatically retracted.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present invention.
Fig. 2 is a schematic diagram of another view of an embodiment of the present invention.
Fig. 3 is a schematic structural view of a first rack in an embodiment of the present invention.
Fig. 4 is a schematic structural view of five equally dividing the space between the front and rear partitions in the embodiment of the present invention.
Fig. 5 is a schematic view of a structure in which the space between the front and rear partitions is trisected in the embodiment of the present invention.
Fig. 6 is a schematic structural view of a second rack in an embodiment of the present invention.
Fig. 7 is a schematic structural view of a connecting rod in an embodiment of the present invention.
Fig. 8 is a cross-sectional view of an intermediate baffle in an embodiment of the present invention.
In the figure: 1. a screening drum; 2. a screw rod; 3. a transfer device; 4. a front baffle; 5. a rear partition; 6. a middle partition plate; 7. a motor; 8. a screw rod; 9. a connecting rod; 10. a duplex gear; 11. a first rack; 12. rack plate; 13. a second rack; 14. a rotating plate; 15. a connecting rod; 16. a movable seat; 17. an elastic member; 18. a compression spring; 19. a magnet; 20. a striker plate; 21. and (5) clamping blocks.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings.
As shown in fig. 1-8, an automated sand aggregate classifying and screening device, comprising:
a mounting frame;
the screening device comprises a screening roller 1, wherein the screening roller 1 is arranged on a mounting frame, a driving motor for driving the screening roller to rotate is arranged on the mounting frame, the size of meshes on the screening roller 1 is gradually reduced from left to right, and a screw rod 2 is fixedly connected in the screening roller 1;
a conveyor 3, said conveyor 3 being arranged below the screening drum 1;
the classifying mechanism comprises a front partition plate 4, a rear partition plate 5 and at least two middle partition plates 6 which are arranged between the conveying device 3 and the screening roller 1, and the front partition plate 4 and the rear partition plate 5 are fixedly arranged on the mounting frame;
and the driving device is used for enabling the middle partition plates 6 to sequentially move, the distance between the front partition plate 4 and the rear partition plate 5 is 1, and when the first middle partition plate 6 moves to a position which is 1/x away from the front partition plate, x-1 middle partition plates 6 move to enable the distance x between the front partition plate 4 and the rear partition plate 5 to be equal, and x is an integer which is larger than 2.
In this embodiment, the gravel of different sizes falls onto conveyer 3 from different meshes after screening cylinder 1, and the gravel of different sizes is evenly arranged from left to right according to the size, makes the gravel of different size ranges gather together through setting up the grading mechanism, and controls intermediate baffle 6 motion through drive arrangement to make blanking scope equally divide into a plurality of portions, consequently conveniently adjust the grading standard.
Specifically, the driving device comprises a driving component for controlling the first middle partition plate 6 to transversely move, and a transmission mechanism for driving the next middle partition plate 6 to move is arranged between the middle partition plates 6.
Specifically, the drive part includes the motor 7 of fixed mounting on the mounting bracket, motor 7's output fixed mounting has lead screw 8, fixed mounting has the nut with lead screw 8 meshing on the first intermediate baffle 6, other set up the through-hole on the intermediate baffle 6, lead screw 8 passes from the through-hole, fixedly connected with guide arm on the mounting bracket, guide arm and intermediate baffle 6 sliding connection, starter motor 7 makes lead screw 8 rotatory to make the motion of first intermediate baffle 6.
Specifically, the transmission mechanism comprises a plurality of connecting rods 9 which are respectively and fixedly connected to two ends of each intermediate baffle 6, one end of each connecting rod 9 is rotatably connected with a duplex gear 10, a first rack 11 which is meshed with one gear of the duplex gears 10 is fixedly connected to the connecting rod 9, a rack plate 12 is fixedly connected to the mounting rack, a plurality of second racks 13 which are respectively meshed with the other gear of each duplex gear 10 are arranged on the rack plate 12, one end of each second rack 13 is on the same plane with the rear baffle 5, the transmission ratio between two gears in the duplex gears 10 arranged on the connecting rod 9 connected with the y-th intermediate baffle 6 is 1/y, when the first intermediate baffle 6 moves to the middle of the front baffle 4 and the rear baffle 5, the first duplex gears 10 are simultaneously meshed with the first racks 11 and the second racks 13 on the second connecting rod 9, thus, the continued movement of the first intermediate partition 6 moves the second intermediate partition 6, and the movement speed of the second intermediate partition 6 is twice the movement speed of the first intermediate partition 6, when the first intermediate partition 6 moves to one third of the distance between the front partition 4 and the rear partition 5, the second intermediate partition 6 moves to two thirds of the distance between the front partition 4 and the rear partition 5, thereby trisecting the distance between the front partition 4 and the rear partition 5, and at this time, the second double gear 10 is simultaneously engaged with the first rack 11 and the second rack 13 on the third connecting rod 9, the first intermediate partition 6 continues to move the third intermediate partition 6, the movement speed of which relative to the second intermediate partition 6 is controlled according to the difference of two transmission ratios in the double gear 10, therefore, the distance between the front partition board 4 and the rear partition board 5 can be divided into four equal parts, and the like, so that the arrangement can be automatically adjusted, and the use is convenient.
Further, two sides of the screening drum 1 are provided with a baffle 20.
Specifically, one end of screening cylinder 1 rotates and is connected with the feed chute, the other end of screening cylinder 1 rotates and is connected with the blown down tank.
Further, the middle partition plate 6 is hinged with a rotating plate 14, the rotating plate 14 is hinged with a connecting rod 15, the other end of the connecting rod 15 is hinged with a moving seat 16, the moving seat 16 is slidably connected with the middle partition plate 6, and an elastic piece 17 is connected between the moving seat 16 and the middle partition plate 6.
Preferably, the elastic member 17 is a spring.
Further, a fixing component for fixing the position of the movable seat 16 is mounted on the middle partition plate 6.
Specifically, the fixing assembly includes a clamping block 21 slidably connected with the middle partition plate 6 for clamping the moving seat 16 to avoid lifting, a compression spring 18 is connected between the clamping block 21 and the middle partition plate 6, each of the rotating plate 14 and the rear partition plate 5 is fixedly connected with a magnet 19, the magnet 19 and the clamping block 21 attract each other, when the middle partition plate 6 needs to be retracted, the driving device is started to enable the middle partition plate 6 to move, when the last middle partition plate 6 is attached to the rear partition plate 5, the magnet 19 attracts the clamping block 21 to enable the clamping block 21 to move, the moving seat 16 can move upwards, when the last middle partition plate 6 presses the last middle partition plate 6, the rotating plate 14 on the last middle partition plate 6 rotates to retract, and meanwhile the magnet 19 on the rotating plate 14 attracts the clamping block 21 on the last middle partition plate 6, so that the rotating plate 14 can be sequentially retracted, so that the rotating plate 14 can be expanded to avoid confusion of various ranges, and can be automatically retracted.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. Automatic classifying and screening device for gravel aggregate, which is characterized by comprising:
a mounting frame;
the screening device comprises a screening roller (1), wherein the screening roller (1) is arranged on a mounting frame, a driving motor for driving the screening roller to rotate is arranged on the mounting frame, the size of meshes on the screening roller (1) is gradually reduced from left to right, and a screw rod (2) is fixedly connected in the screening roller (1);
a conveying device (3), wherein the conveying device (3) is arranged below the screening drum (1);
the classifying mechanism comprises a front partition plate (4), a rear partition plate (5) and at least two middle partition plates (6) which are arranged between the conveying device (3) and the screening roller (1), and the front partition plate (4) and the rear partition plate (5) are fixedly arranged on the mounting frame;
the driving device is used for enabling the middle partition plates (6) to sequentially move, the distance between the front partition plate (4) and the rear partition plate (5) is 1, when the first middle partition plate (6) moves to a position 1/x away from the front partition plate, x-1 middle partition plates (6) move to enable the distance x between the front partition plate (5) and the rear partition plate (5) to be equal, and x is an integer larger than 2;
the driving device comprises a driving part for controlling the first middle partition plate (6) to transversely move, and a transmission mechanism for driving the next middle partition plate (6) to move is arranged between the middle partition plates (6);
the driving part comprises a motor (7) fixedly arranged on the mounting frame, a lead screw (8) is fixedly arranged at the output end of the motor (7), nuts meshed with the lead screw (8) are fixedly arranged on the first middle partition plate (6), through holes are formed in other middle partition plates (6), the lead screw (8) penetrates through the through holes, a guide rod is fixedly connected to the mounting frame, and the guide rod is in sliding connection with the middle partition plates (6);
the transmission mechanism comprises a plurality of connecting rods (9) which are respectively and fixedly connected to two ends of each middle partition plate (6), one end of each connecting rod (9) is rotationally connected with a duplex gear (10), a first rack (11) which is meshed with one gear in the duplex gear (10) is fixedly connected to the connecting rod (9), a rack plate (12) is fixedly connected to the mounting rack, a plurality of second racks (13) which are respectively meshed with the other gear in each duplex gear (10) are mounted on the rack plate (12), one end of each second rack (13) is on the same plane with the rear partition plate (5), and the transmission ratio between two gears in the duplex gear (10) on the connecting rod (9) connected with the y-th middle partition plate (6) is 1/y.
2. The automatic grading and screening device for sand and aggregate according to claim 1, characterized in that the screening drum (1) is provided with a striker plate (20) on both sides.
3. The automatic grading and screening device for gravel aggregate according to claim 1, wherein one end of the screening roller (1) is rotatably connected with a feed chute, and the other end of the screening roller (1) is rotatably connected with a discharge chute.
4. A sand and aggregate automatic classifying and screening device according to any one of claims 1-3, characterized in that the intermediate baffle (6) is hinged with a rotating plate (14), the rotating plate (14) is hinged with a connecting rod (15), the other end of the connecting rod (15) is hinged with a movable seat (16), the movable seat (16) is slidably connected with the intermediate baffle (6), and an elastic piece (17) is connected between the movable seat (16) and the intermediate baffle (6).
5. The automatic sand aggregate classifying screen according to claim 4, wherein the elastic member (17) is a spring.
6. The automatic sand aggregate classifying and screening device according to claim 5, wherein a fixing assembly for fixing the position of the movable seat (16) is mounted on the intermediate partition (6).
7. The automatic sand and aggregate classifying and screening device according to claim 6, wherein the fixing assembly comprises a clamping block (21) which is slidably connected with the middle partition plate (6) and is used for clamping the movable seat (16) to avoid ascending, a compression spring (18) is connected between the clamping block (21) and the middle partition plate (6), a magnet (19) is fixedly connected to each of the rotating plate (14) and the rear partition plate (5), and the magnet (19) and the clamping block (21) are attracted to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210224751.6A CN114558767B (en) | 2022-03-07 | 2022-03-07 | Automatic classifying and screening device for sand aggregates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210224751.6A CN114558767B (en) | 2022-03-07 | 2022-03-07 | Automatic classifying and screening device for sand aggregates |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114558767A CN114558767A (en) | 2022-05-31 |
| CN114558767B true CN114558767B (en) | 2023-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210224751.6A Active CN114558767B (en) | 2022-03-07 | 2022-03-07 | Automatic classifying and screening device for sand aggregates |
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| CN (1) | CN114558767B (en) |
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