CN114558767A - Automatic hierarchical screening plant of grit aggregate - Google Patents
Automatic hierarchical screening plant of grit aggregate Download PDFInfo
- Publication number
- CN114558767A CN114558767A CN202210224751.6A CN202210224751A CN114558767A CN 114558767 A CN114558767 A CN 114558767A CN 202210224751 A CN202210224751 A CN 202210224751A CN 114558767 A CN114558767 A CN 114558767A
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- screening
- partition plate
- intermediate partition
- plate
- partition
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- 238000012216 screening Methods 0.000 title claims abstract description 61
- 238000005192 partition Methods 0.000 claims abstract description 107
- 230000033001 locomotion Effects 0.000 claims abstract description 5
- 239000004576 sand Substances 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 10
- 239000004575 stone Substances 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000005034 decoration Methods 0.000 description 8
- 238000007599 discharging Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 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
Images
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
Abstract
The invention provides an automatic grading and screening device for gravel aggregates, 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 spiral rod is fixedly connected in the screening drum; the conveying device is 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 grit of unidimensional is according to the size of a dimension from left to right evenly arranged, makes the grit of different size ranges gather together through setting up the grading plant, and controls the intermediate bottom motion through drive arrangement to make the blanking scope divide into a plurality of on average, consequently conveniently adjust hierarchical standard.
Description
Technical Field
The invention relates to the technical field of screening devices, in particular to an automatic grading screening device for gravel aggregates.
Background
With the improvement of living standard and the progress of science and technology, the living environment is continuously improved. The construction industry is developing more and more rapidly. Building decoration is a short for building decoration project. The architectural decoration is a variety of processes for the interior and exterior surfaces and spaces of buildings by using decorative materials or ornaments in order to protect the main structure of the buildings, improve the physical properties and use functions of the buildings and beautify the buildings. Architectural decoration is an indispensable part of people's life. Is an important friend of human taste life and taste life. The architectural decoration industry has become one of three major shoring industries in the construction industry, and is a labor intensive industry. The architectural decoration industry is a sunrise industry which grows rapidly along with the gradual rise of real estate hot tides. In recent years, with the rapid growth of the Chinese economy and the vigorous development of the related industries, the architectural decoration industry increasingly shows its great development potential, and the market growth space is increasing at a rate of about 20% per year on average. Sandstone is commonly used in building decoration, and refers to a loose mixture of sand and gravel.
The grit needs to screen before the use, and its effect of the grit of different granularity size is inconsistent, consequently need screen, but current screening plant all is fixed to every 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 gravel aggregates, and aims to solve the problems that the screening device in the prior art is fixed in the size range of each gravel after screening the gravel and cannot select the gravel in different size ranges according to requirements.
In order to achieve the 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 spiral rod is fixedly connected in the screening drum;
the conveying device is 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 driving device is used for enabling the intermediate clapboards to move in sequence, the distance between the front clapboard and the rear clapboard is 1, when the first intermediate clapboard moves to a position 1/x away from the front baffle, x-1 intermediate clapboards move to enable the distance x between the front clapboard and the rear clapboard to be equally divided, and x is an integer larger than 2.
In order to enable the invention to have the function of driving the middle clapboards to move, the invention has the further technical scheme that the driving device comprises a driving part for controlling the transverse movement of the first middle clapboard, and a transmission mechanism for driving the next middle clapboard to move is arranged between the middle clapboards.
According to a further technical scheme, the driving part comprises a motor fixedly mounted on the mounting frame, a lead screw is fixedly mounted at the output end of the motor, a nut meshed with the lead screw is fixedly mounted on the 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 intermediate partition plates to move in sequence so as to equally divide the distance between the front partition plate and the rear partition plate, the invention further adopts the technical scheme that the transmission mechanism comprises a plurality of connecting rods which are respectively and fixedly connected to two ends of each intermediate partition plate, one end of each connecting rod is rotatably connected with a duplicate gear, a first rack which is meshed with one gear of the duplicate gears is fixedly connected onto each connecting rod, a rack plate is fixedly connected onto the mounting frame, a plurality of second racks which are respectively meshed with the other gear of each duplicate gear are arranged on the rack plate, one end of each second rack and the rear partition plate are on the same plane, and the transmission ratio between two gears of the duplicate gears which are arranged on the connecting rod connected with the y-th intermediate partition plate is 1/y.
In order to ensure that the screening roller has the function of preventing sand and stones from being thrown out, the further technical scheme of the screening roller is that the two sides of the screening roller are provided with material baffle plates.
According to a further technical scheme, one end of the screening roller is rotatably connected with a feeding groove, and the other end of the screening roller is rotatably connected with a discharging groove.
In order to prevent the sand in various ranges from being mixed together, the invention has the further technical scheme that the middle partition plate is hinged with a rotating plate, the rotating plate is hinged with a connecting rod, the other end of the connecting rod is hinged with a movable seat, the movable seat is connected onto 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, the elastic piece is a spring.
In order to prevent the rotary plate from moving due to sand impact, the further technical scheme of the invention is that the middle partition plate is provided with a fixing assembly for fixing the position of the movable seat.
According to a further technical scheme, the fixing assembly comprises a fixture block which is connected with the middle partition plate in a sliding mode and used for clamping the moving seat to avoid rising of the moving seat, a compression spring is connected between the fixture block and the middle partition plate, each rotating plate and each rear partition plate are fixedly connected with a magnet, and the magnets and the fixture blocks attract each other.
The invention has the beneficial effects that:
1. when the automatic discharging device is used, gravels with different sizes fall onto the conveying device from different meshes after passing through the screening roller, the gravels with different sizes are uniformly distributed from left to right according to the sizes, the gravels with different size ranges are gathered together by arranging the grading mechanism, and the middle partition plate is controlled by the driving device to move, so that the discharging range is evenly divided into a plurality of parts, and the grading standard is conveniently adjusted.
2. When the middle partition plate is required 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 fixture block, so that the fixture block moves, the movable seat can move upwards, when the penultimate middle partition plate extrudes the last middle partition plate, the rotating plate on the last middle partition plate rotates, so that the rotating plate is retracted, and meanwhile, the magnet on the rotating plate attracts the fixture block on the penultimate middle partition plate, so that the rotating plate can be sequentially retracted, the rotating plate can be unfolded, sand stones in various ranges can be prevented from being mixed together, and the rotating plate can be automatically retracted.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of another view angle according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a first rack in an embodiment of the present invention.
Fig. 4 is a schematic structural view of a front partition and a rear partition equally dividing the distance therebetween by five in an embodiment of the present invention.
Fig. 5 is a schematic structural view of a front partition and a rear partition equally dividing the distance therebetween in an embodiment of the present invention.
Fig. 6 is a schematic structural view of the second rack in the embodiment of the present invention.
Fig. 7 is a schematic view of a link according to an embodiment of the present invention.
FIG. 8 is a cross-sectional view of an intermediate bulkhead in an example embodiment of the invention.
In the figure: 1. a screening drum; 2. a screw rod; 3. a conveying device; 4. a front partition plate; 5. a rear bulkhead; 6. a middle partition plate; 7. a motor; 8. a lead screw; 9. a connecting rod; 10. a duplicate gear; 11. a first rack; 12. a 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 (7) clamping blocks.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 to 8, an automatic sand aggregate classifying and screening device comprises:
a mounting frame;
the screening drum 1 is installed on an installation frame, a driving motor for driving the screening drum to rotate is installed on the installation frame, the size of meshes on the screening drum 1 is gradually reduced from left to right, and a spiral rod 2 is fixedly connected in the screening drum 1;
a conveying device 3, said conveying device 3 being arranged below the screening drum 1;
the grading 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, wherein 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 intermediate partition boards 6 to move sequentially, the distance between the front partition board 4 and the rear partition board 5 is 1, when the first intermediate partition board 6 moves to a position 1/x away from the front baffle board, x-1 intermediate partition boards 6 move to enable the distance x between the front partition board 4 and the rear partition board 5 to be equally divided, and x is an integer larger than 2.
In this embodiment, the grit is through screening cylinder 1 on the not unidimensional stone falls conveyer 3 from the mesh of difference, and the grit of equidimensional is evenly arranged from left to right according to size, makes the grit of different size scope gather together through setting up the grading plant, and controls intermediate bottom 6 through drive arrangement and moves to make the blanking scope divide into a plurality of on average, consequently conveniently adjust hierarchical standard.
Specifically, the driving device comprises a driving part for controlling the transverse movement of a first intermediate partition plate 6, and a transmission mechanism for driving the subsequent intermediate partition plate 6 to move is arranged between the intermediate partition plates 6.
Specifically, the driver part includes motor 7 of fixed mounting on the mounting bracket, the output fixed mounting of motor 7 has lead screw 8, fixed mounting has the nut with the meshing of lead screw 8 on the first intermediate bottom 6, other the through-hole has been seted up on the intermediate bottom 6, lead screw 8 passes from the through-hole, fixedly connected with guide arm on the mounting bracket, guide arm and 6 sliding connection of intermediate bottom, starter motor 7 make lead screw 8 rotatory to make the motion of first intermediate bottom 6.
Specifically, the transmission mechanism comprises a plurality of connecting rods 9 respectively fixedly connected to two ends of each intermediate partition 6, one end of each connecting rod 9 is rotatably connected with a duplicate gear 10, a first rack 11 engaged with one gear of the duplicate gears 10 is fixedly connected to each connecting rod 9, a rack plate 12 is fixedly connected to the mounting rack, a plurality of second racks 13 respectively engaged with the other gear of each duplicate 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 5, the transmission ratio between two gears of the duplicate gears 10 mounted on the connecting rod 9 connected with the y-th intermediate partition 6 is 1/y, when the first intermediate partition 6 moves to the middle of the front partition 4 and the rear partition 5, the first duplicate gear 10 is simultaneously engaged with the first rack 11 and the second rack 13 on the second connecting rod 9, therefore, when the first intermediate diaphragm 6 moves to one third of the distance between the front diaphragm 4 and the rear diaphragm 5, the second intermediate diaphragm 6 moves to two thirds of the distance between the front diaphragm 4 and the rear diaphragm 5, so that the distance between the front diaphragm 4 and the rear diaphragm 5 is divided into three equal parts, and at the same time, the second duplicate gear 10 is meshed with the first rack 11 and the second rack 13 on the third connecting rod 9, the first intermediate diaphragm 6 moves to move the third intermediate diaphragm 6, the speed of the first intermediate diaphragm 6 relative to the second intermediate diaphragm 6 is controlled according to the difference of the two transmission ratios in the duplicate gear 10, so that the distance between the front diaphragm 4 and the rear diaphragm 5 can be divided into four equal parts, by analogy, the device can be automatically adjusted and is convenient to use.
Further, the two sides of the screening roller 1 are provided with baffle plates 20.
Specifically, one end of the screening roller 1 is rotatably connected with a feeding chute, and the other end of the screening roller 1 is rotatably connected with a discharging chute.
Further, a rotating plate 14 is hinged to the intermediate partition 6, a connecting rod 15 is hinged to the rotating plate 14, a moving seat 16 is hinged to the other end of the connecting rod 15, the moving seat 16 is connected to the intermediate partition 6 in a sliding manner, and an elastic member 17 is connected between the moving seat 16 and the intermediate partition 6.
Preferably, the elastic member 17 is a spring.
Further, a fixing assembly for fixing the position of the movable base 16 is installed on the middle partition 6.
Specifically, the fixing assembly comprises a clamping block 21 which is slidably connected with the intermediate partition plate 6 and used for clamping the moving seat 16 to prevent the moving seat from rising, a compression spring 18 is connected between the clamping block 21 and the intermediate partition plate 6, a magnet 19 is fixedly connected to each of the rotating plate 14 and the rear partition plate 5, the magnet 19 and the clamping block 21 attract each other, when the intermediate partition plate 6 needs to be retracted, the driving device is started to move the intermediate partition plate 6, after the last intermediate partition plate 6 is attached to the rear partition plate 5, the magnet 19 attracts the clamping block 21, so that the clamping block 21 moves, the moving seat 16 can move upwards, when the last intermediate partition plate 6 is pressed by the last intermediate partition plate 6, the rotating plate 14 on the last intermediate partition plate 6 rotates, so that the rotating plate is retracted, and simultaneously the magnet 19 on the rotating plate 14 attracts the clamping block 21 on the last intermediate partition plate 6, so that the retracting can be sequentially performed, this not only allows the rotating plate 14 to be deployed to avoid mixing up of various ranges of sand, but also allows automatic retraction.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled 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 attributes 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 description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a grit aggregate automation hierarchical screening plant which characterized in that includes:
a mounting frame;
the screening drum (1) is installed on the installation frame, a driving motor for driving the screening drum to rotate is installed on the installation frame, the size of meshes on the screening drum (1) is gradually reduced from left to right, and a spiral rod (2) is fixedly connected in the screening drum (1);
a conveying device (3), wherein the conveying device (3) is arranged below the screening drum (1);
the grading 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 boards (6) to move in sequence, the distance between the front partition board (4) and the rear partition board (5) is 1, when the first middle partition board (6) moves to a position 1/x away from the front baffle board, a total of x-1 middle partition boards (6) move to enable the distance x between the front partition board (4) and the rear partition board (5) to be equally divided, and x is an integer larger than 2.
2. An automatic grading and screening device for sand and stone aggregates according to claim 1, characterized in that the driving device comprises a driving part for controlling the transverse movement of the first intermediate partition (6), and a transmission mechanism for driving the subsequent intermediate partition (6) to move is arranged between the intermediate partitions (6).
3. The automatic grading and screening device for sand and stone aggregates according to claim 2, wherein the driving component comprises a motor (7) fixedly mounted on a mounting frame, a lead screw (8) is fixedly mounted at the output end of the motor (7), a nut meshed with the lead screw (8) is fixedly mounted on the first intermediate partition plate (6), through holes are formed in other intermediate partition plates (6), the lead screw (8) penetrates through the through holes, and a guide rod is fixedly connected to the mounting frame and is connected with the intermediate partition plates (6) in a sliding manner.
4. The automatic grading and screening device for sand and stone aggregates according to claim 2, characterized in that, the transmission mechanism comprises a plurality of connecting rods (9) which are respectively and fixedly connected with the two ends of each intermediate partition plate (6), one end of each connecting rod (9) is rotatably connected with a duplicate gear (10), a first rack (11) meshed with one gear of the duplicate 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 can be respectively meshed with another gear in each duplicate gear (10) are mounted on the rack plate (12), one end of the second rack (13) and the rear partition plate (5) are on the same plane, and the transmission ratio between two gears in the duplicate gear (10) arranged on the connecting rod (9) connected with the y-th intermediate partition plate (6) is 1/y.
5. An automatic sand and stone aggregate grading and screening device according to claim 1, characterized in that the two sides of the screening drum (1) are provided with striker plates (20).
6. An automatic grading and screening device for sandstone aggregates according to claim 1, characterized in that one end of the screening drum (1) is rotatably connected with a feed chute, and the other end of the screening drum (1) is rotatably connected with a discharge chute.
7. An automatic grading and screening device for gravel aggregates according to any one of claims 1 to 6, characterized in that the intermediate partition (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 connected with the intermediate partition (6) in a sliding manner, and an elastic member (17) is connected between the moving seat (16) and the intermediate partition (6).
8. An automated sand and stone aggregate classifying and screening apparatus according to claim 7, wherein said elastic member (17) is a spring.
9. An automatic grading and screening device for sand and stone aggregates according to claim 8, characterized in that the intermediate partition (6) is provided with a fixing component for fixing the position of the movable seat (16).
10. An automatic grading and screening device for sand and gravel aggregates according to claim 9, wherein the fixing component comprises a clamping block (21) which is slidably connected with the intermediate partition plate (6) and used for clamping the moving seat (16) to prevent the moving seat from rising, a compression spring (18) is connected between the clamping block (21) and the intermediate 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) attract 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 |
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| CN114558767A true CN114558767A (en) | 2022-05-31 |
| CN114558767B CN114558767B (en) | 2023-11-17 |
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| CN202210224751.6A Active CN114558767B (en) | 2022-03-07 | 2022-03-07 | Automatic classifying and screening device for sand aggregates |
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