CN109261488B - Drum-type soil screening appearance - Google Patents
Drum-type soil screening appearance Download PDFInfo
- Publication number
- CN109261488B CN109261488B CN201811242005.XA CN201811242005A CN109261488B CN 109261488 B CN109261488 B CN 109261488B CN 201811242005 A CN201811242005 A CN 201811242005A CN 109261488 B CN109261488 B CN 109261488B
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- Prior art keywords
- drum
- screen drum
- cavity
- screening
- transmission gear
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- 238000012216 screening Methods 0.000 title claims abstract description 83
- 239000002689 soil Substances 0.000 title claims abstract description 59
- 238000005192 partition Methods 0.000 claims abstract description 42
- 238000002955 isolation Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 45
- 230000000149 penetrating effect Effects 0.000 claims description 13
- 239000002699 waste material Substances 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 9
- 230000035515 penetration Effects 0.000 claims 3
- 238000007873 sieving Methods 0.000 abstract description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 9
- 235000017491 Bambusa tulda Nutrition 0.000 description 9
- 241001330002 Bambuseae Species 0.000 description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 9
- 239000011425 bamboo Substances 0.000 description 9
- 239000002245 particle Substances 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000008187 granular material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012864 cross contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004856 soil analysis Methods 0.000 description 1
- 238000005527 soil sampling Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- B07B1/24—Revolving drums with fixed or moving interior agitators
-
- 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
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- 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 relates to a drum-type soil screening instrument which comprises a rack, a screen drum arranged on the rack, a feeding channel arranged at one end of the screen drum and a collecting cavity arranged below the screen drum. The sieve tube is a conical tube, the large end of the sieve tube faces downwards, the small end of the sieve tube faces upwards and is arranged in an inclined mode, a first circular partition plate is arranged inside one side of the large end of the sieve tube, a second circular partition plate is arranged inside one side of the small end of the sieve tube, an isolation portion is arranged in the middle of the sieve tube, a first sieving cavity is formed by the first partition plate, the isolation portion and the sieve tube wall, a second sieving cavity is formed by the second partition plate, the isolation portion and the sieve tube wall, large-size sieve holes are uniformly formed in the sieve tube wall in the first sieving cavity, and small-size sieve holes are uniformly formed in the sieve tube wall in the second sieving cavity. The collecting cavity comprises a first collecting cavity and a second collecting cavity, the first collecting cavity is located below the first screening cavity, the second collecting cavity is located below the second screening cavity, and the first collecting cavity and the second collecting cavity are separated through a material separating plate located below the isolating portion.
Description
Technical Field
The invention relates to a soil screening device, in particular to a drum-type soil screening instrument.
Background
In the field of agricultural research, soil is often subjected to compositional analysis, and therefore soil samples from different areas need to be collected for laboratory analysis. However, since the soil sample collected from the ground has large and uneven particles, which do not meet the requirements of laboratory analysis research, the soil sample needs to be ground before the soil is analyzed. In the existing soil sample pretreatment process, due to different requirements of analysis and test items, soil samples need to be separated through screens with different specifications and screened into particles with proper sizes for testing.
The current soil screening work is mainly performed manually, for example, an open manual screen is used, and after the soil sample is ground, the soil sample is screened by the manual screen so as to filter out the soil sample with the particle size meeting the requirement in the screen body. The manual sieve has the defects that only one soil sample can be processed at one time, the sieve needs to be strictly cleaned after each soil sample is processed, and cross contamination among the soil samples is prevented, so that the accuracy of soil analysis is controlled, and if the conditions of large soil sampling amount, multiple batches and multiple sieving specification requirements occur, the labor intensity of manual operation is high, and the working efficiency is low. In addition, the manual sieve generates dust pollution during the process of crushing the soil sample. The soil powder screening device in the current market can only screen out soil of one specification although manpower is liberated, and most soil screening devices are inconvenient to loosen the soil, so that subsequent detection procedures are inconvenient to carry out. Therefore, a screening device capable of loosening soil and screening out soil with various specifications is urgently needed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a drum-type soil screening instrument which is convenient to use, can loosen soil and screen out soil with various specifications.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a drum-type soil screening instrument comprises a rack, a screen drum arranged on the rack, a feeding channel arranged at one end of the screen drum and a collecting cavity arranged below the screen drum, wherein the screen drum is a conical drum, the large end of the screen drum is downward, the small end of the screen drum is upward inclined, a circular first partition plate is arranged inside one side of the large end of the screen drum, a circular second partition plate is arranged inside one side of the small end of the screen drum, an isolating part is arranged in the middle of the screen drum, the first partition plate, the isolating part and the screen drum wall form a first screening cavity, the second partition plate, the isolating part and the screen drum wall form a second screening cavity, large-size screen holes are uniformly formed in the screen drum wall in the first screening cavity, and small-size screen holes are uniformly formed in the screen drum wall in the second screening cavity;
a circular baffle is arranged in the first screening cavity, the circular baffle is matched with the wall of the screening cylinder at the isolation part, a push-pull rod is fixedly arranged in the middle of the circular baffle, a abdicating hole is formed in the middle of the first partition plate, the push-pull rod penetrates through the abdicating hole from the rack, a through hole penetrating through the push-pull rod is formed in the rack, a bearing five is embedded in the through hole, a blocking gap is reserved between the bearing five and the push-pull rod, and an annular block capable of sliding along the push-pull rod is sleeved on the push-pull rod;
the sieve drum is sleeved with a bearing III at the large-head end, sleeved with a bearing IV at the small-head end, the bearing III and the outer ring of the bearing IV are fixedly arranged on the rack, one end of the sieve drum is sleeved with a transmission gear IV, the transmission gear IV is meshed with a driving gear, and the driving gear is connected with a motor through a coupler;
the second partition plate is provided with a feeding hole, the right side of the second partition plate is provided with an impeller matched with the second partition plate, and the outlet of the feeding channel is arranged at the upper part of the right side of the impeller;
the collecting cavity comprises a first collecting cavity and a second collecting cavity, the first collecting cavity is located below the first screening cavity, the second collecting cavity is located below the second screening cavity, and the first collecting cavity and the second collecting cavity are separated through a material partition plate located below the isolating portion.
As a further improvement of the invention, the impeller is arranged on the rack in a penetrating manner through the first rotating rod, the first rotating rod is sleeved with the first transmission gear, the small end of the screen drum is provided with the third transmission gear, the third transmission gear is an internal gear, the first transmission gear and the third transmission gear are respectively meshed with the second transmission gear, and the second transmission gear passes through the second rotating rod and is arranged on the rack.
As a further improvement of the invention, two bearings I are sleeved on the first rotating rod, the two bearings I are embedded on the rack, and the first rotating rod is fixedly connected with an inner ring of the bearing I.
As a further improvement of the invention, the two first bearings are respectively arranged at the penetrating positions and the penetrating positions of the first rotating rod on the frame, and the outer sides of the first bearings are fastened and sealed through the first cover plate.
As a further improvement of the invention, two bearings II are sleeved on the second rotating rod, the two bearings II are embedded on the rack, and the second rotating rod is fixedly connected with the inner rings of the bearings II.
As a further improvement of the invention, the two second bearings are respectively arranged at the penetrating positions and the penetrating positions of the second rotating rod on the frame, and the outer sides of the second bearings are fastened and sealed through the second cover plates.
As a further improvement of the invention, the annular plug is made of rubber.
As a further improvement of the invention, lining rings are respectively arranged between the third bearing and the wall of the screen drum, between the fourth bearing and the wall of the screen drum, and between the fourth transmission gear and the wall of the screen drum.
As a further improvement of the invention, a rubber ring is sleeved on the cylindrical surface of the circular baffle.
As a further improvement of the invention, a waste material outlet is arranged on the left side wall of the first screening cavity, and a door leaf capable of being opened and closed is arranged at the waste material outlet.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
according to the drum-type soil screening instrument provided by the invention, the first screening cavity and the second screening cavity are arranged in the screen drum, and screen holes with different sizes are arranged on the walls of the screen drums in the first screening cavity and the second screening cavity, so that the screening of the soil with different specifications can be realized; the screen cylinder is a conical cylinder and is obliquely arranged, the first screening cavity is provided with a circular baffle, the first screening cavity and the second screening cavity can be isolated by clamping the circular baffle on the isolating part, after small-particle soil is screened by the second screening cavity, the push-pull rod is pulled to enable the circular baffle to be located on the left side of the first screening cavity, the screen cylinder is rotated, the soil enters the first screening cavity to be further screened, the screening process is simplified, and the screening efficiency is improved; the driving of the impeller is skillfully realized by arranging the first transmission gear, the second transmission gear and the third transmission gear, and the impeller and the screen drum rotate reversely, so that the loosening of soil is facilitated; and a fifth bearing is arranged in the through hole, the inner diameter of the fifth bearing is larger than the diameter of the push-pull rod, a blocking gap is reserved, and the push-pull rod is fixed on the fifth bearing through an annular block, so that the push-pull rod can be prevented from swinging when rotating along with the screen cylinder.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a cross-sectional view at a-a in fig. 1.
Fig. 3 is a cross-sectional view at B-B in fig. 1.
Fig. 4 is a partially enlarged schematic view at a in fig. 1.
Fig. 5 is a partially enlarged schematic view at B in fig. 1.
Fig. 6 is a partially enlarged schematic view at C in fig. 1.
Wherein: 1 rack, 2 screen cylinders, 3 first partition plate, 4 second partition plate, 41 feed holes, 5 first screening cavity, 6 isolating part, 7 second screening cavity, 8 impeller, 9 first rotating rod, 10, first transmission gear, 11 second transmission gear, 12 second rotating rod, 13 third transmission gear, 14 first bearing, 15 first cover plate, 16 second bearing, 17 second cover plate, 18 feed channel, 19 third bearing, 20 fourth bearing, 21 circular baffle, 22 rubber ring, 23 push-pull rod, 24 through hole, 25 fifth bearing, 26 third cover plate, 27 blocking gap, 28 annular blocking, 29 waste outlet, 30 fourth transmission gear, 31 driving gear, 32 coupler, 33 motor, 34 first collecting cavity, 35 second collecting cavity, 36 material separating plate and 37 lining ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail and fully with reference to the accompanying drawings and specific embodiments.
The drum-type soil screening instrument shown in fig. 1-6 comprises a frame 1, a screen drum 2 arranged on the frame 1, a feeding channel 18 arranged at one end of the screen drum 2, and a collecting cavity arranged below the screen drum 2.
The screen drum 2 is a conical drum, the large end of the screen drum is downward, the small end of the screen drum is upward inclined, one side of the small end of the screen drum 2 is open, a first circular partition plate 3 is arranged inside one side of the large end of the screen drum 2, a yielding hole is formed in the middle of the first partition plate 3, a second circular partition plate 4 is arranged inside one side of the small end of the screen drum 2, a partition part 6 is arranged in the middle of the screen drum 2, the first partition plate 3, the partition part 6 and the wall of the screen drum 2 form a first screening chamber 5, a second partition plate 4, the partition part 6 and the wall of the screen drum 2 form a second screening chamber 7, large-size screen holes are uniformly formed in the wall of the screen drum 2 in the first screening chamber 5, small-size screen holes are uniformly formed in the wall of the screen drum 2 in the second screening chamber 7, and the wall of the screen drum 2 does not have screen holes at the partition part 6.
Be equipped with circular baffle 21 in the first screening chamber 5, circular baffle 21 with the section of thick bamboo wall phase-match of 6 sieve section of thick bamboo 2 of isolation portion, circular baffle 21 middle part has set firmly push-and-pull rod 23, push-and-pull rod 23 warp the hole of stepping down at 3 middle parts of first baffle is followed pass in the frame 1, be equipped with the warp in the frame 1 the through-hole 24 that push-and-pull rod 23 passed, the embedded bearing five 25 that is equipped with of through-hole 24, bearing five 25 is located in the frame 1 the push-and-pull rod 23 department of penetrating promptly frame 1 left side, bearing five 25 fastens through apron three 26. A blocking gap 27 is reserved between the bearing five 25 and the push-pull rod 23, an annular blocking 28 capable of sliding along the push-pull rod 23 is sleeved on the push-pull rod 23, and the annular blocking 28 is made of rubber. The push-pull rod 23 is fixed on the inner ring of the bearing five 25 through the annular plug 28, so that the push-pull rod 23 can be prevented from swinging when rotating along with the screen cylinder 2. The cylindrical surface of the circular baffle 21 is sleeved with a rubber ring 22, so that the circular baffle 21 is in seamless fit with the cylinder wall of the isolation part 6, and when the screen cylinder 2 rotates, the circular baffle 21 can be driven to rotate together through the friction force between the rubber ring 22 and the cylinder wall.
The wall of the screen drum 2 in the first screening cavity 5 and the second screening cavity 7 is provided with screen holes with different sizes, so that the screening of the soil with different specifications can be realized. The first screening chamber 5 and the second screening chamber 7 can be separated by clamping the circular baffle 21 on the separation part 6, and after small-particle soil is screened by the second screening chamber 7, the push-pull rod 23 is pulled to enable the circular baffle 21 to be positioned on the left side of the first screening chamber 5; along with a sieve section of thick bamboo rotates, soil gets into first screening chamber and can carries out the further screening of large granule soil, has simplified the screening flow, has improved screening efficiency. When the circular baffle 21 is pulled to the left side of the first screening chamber 5 by the push-pull rod 23, the circular baffle 21 is attached to the first partition plate 3, and when the screen drum 2 rotates, the circular baffle 21 rotates together with the screen drum 2. In order to attach the circular baffle 21 to the first separator 3, one embodiment: rubber is fixedly arranged on one side, connected with the push-pull rod 23, of the circular baffle plate 21, namely the left side of the circular baffle plate 21, so that when the push-pull rod 23 is tensioned leftwards, the circular baffle plate 21 is extruded on the first partition plate 3, and when the screen drum 2 rotates, the circular baffle plate 21 is driven to rotate together by friction force. As another embodiment: through the fact that the circular baffle 21 is connected with one side of the push-pull rod 23, namely the left side of the circular baffle 21 and the right side of the first partition plate 3, small bosses and small grooves which are matched with each other are respectively arranged, when the circular baffle 21 is attached to the first partition plate 3, the circular baffle 21 is buckled with each other, and when the screen drum 2 rotates, the circular baffle 21 is driven to rotate together.
The sieve tube 2 is provided with a third bearing 19 at the large end sleeve, a fourth bearing 20 at the small end sleeve, the outer rings of the third bearing 19 and the fourth bearing 20 are fixedly arranged on the frame 1, a fourth transmission gear 30 is sleeved at one end of the sieve tube 2, the fourth transmission gear 30 is meshed with a driving gear 31, and the driving gear 31 is connected with a motor 33 through a coupler 32. And lining rings 37 are respectively arranged between the third bearing 19 and the wall of the screen drum 2, between the fourth bearing 20 and the wall of the screen drum 2, and between the fourth transmission gear 30 and the wall of the screen drum 2, wherein the thickness of each lining ring 37 is gradually reduced in the axial direction, and the lining rings are used for firmly sleeving the third bearing 19, the fourth bearing 20 and the fourth transmission gear 30 outside the screen drum 2.
The second partition plate 4 is provided with a feeding hole 41, the right side of the second partition plate 4 is provided with an impeller 8 matched with the second partition plate, and the outlet of the feeding channel 18 is arranged at the upper part of the right side of the impeller 8. The impeller 8 is arranged on the rack 1 in a penetrating mode through the first rotating rod 9, the first rotating rod 9 is sleeved with a first transmission gear 10, the small end of the screen drum 2 is provided with a third transmission gear 13, the third transmission gear 13 is an internal gear, the first transmission gear 10 and the third transmission gear 13 are respectively meshed with a second transmission gear 11, and the second transmission gear 11 is arranged on the rack 1 through the second rotating rod 12. The driving of the impeller 8 is skillfully realized by arranging the first transmission gear 10, the second transmission gear 11 and the third transmission gear 13, the impeller 8 and the screen drum 2 rotate reversely, and the rotating angular speed of the impeller 8 is greater than that of the screen drum 2, so that the loosening of soil is facilitated.
The first rotating rod 9 is sleeved with two first bearings 14, the two first bearings 14 are embedded in the rack 1, and the first rotating rod 9 is fixedly connected with the inner rings of the first bearings 14. The two first bearings 14 are respectively arranged at the penetrating positions and the penetrating positions of the first rotating rod 9 on the rack 1, and the outer sides of the first bearings 14 are fastened and sealed through a first cover plate 15. The second rotating rod 12 is sleeved with two bearings II 16, the two bearings II 16 are embedded in the rack 1, and the second rotating rod 12 is fixedly connected with the inner rings of the bearings II 16. The two second bearings 16 are respectively arranged at the penetrating positions and the penetrating positions of the second rotating rod 12 on the frame 1, and the outer sides of the second bearings 16 are fastened and sealed through a second cover plate 17.
The collection cavity comprises a first collection cavity 34 positioned below the first screening cavity 5 and a second collection cavity 35 positioned below the second screening cavity 7, and the first collection cavity 34 and the second collection cavity 35 are separated by a material partition plate 36 arranged below the partition part 6.
Be equipped with waste outlet 29 on the wall of first screening chamber 5 left side section of thick bamboo, waste outlet 29 department is equipped with the door leaf of switch, waste outlet 29 can be equipped with a plurality ofly, and the circumference equipartition is in screen section of thick bamboo 2 is last.
The specific implementation mode is as follows:
the push-pull rod 23 is pushed to clamp the circular baffle 21 at the isolating part 6, and the annular plug 28 is plugged into the plug gap 27. And starting a motor, wherein the screen drum 2 rotates under the driving of the driving gear 31 and the transmission gear four 30, and the circular baffle 21 rotates together with the screen drum 2. The impeller 8 is driven by the first transmission gear 10, the second transmission gear 11 and the third transmission gear 13 to rotate in a reverse direction at a high speed.
Through soil is put into to the pan feeding mouth of pay-off passageway 18 upper end, and soil passes through pay-off passageway 18 diversion is followed to be located the discharge gate of the pay-off passageway 18 of the upper right side of impeller 8 gets into the right side of second baffle 4 in a sieve section of thick bamboo 2 impeller 8 rotates to stir down and passes through feed port 41 on the second baffle 4 gets into second screening chamber 7, because sieve section of thick bamboo 2 is a toper section of thick bamboo and slope setting, along with sieve section of thick bamboo 2 rotates, soil is followed tip and is moved towards big head end, and the granule soil that accords with the screening requirement simultaneously falls into from the sieve mesh of small-size in the second collection chamber 35.
After the small-particle soil is screened, the motor is stopped, the annular plug 28 is taken out, the push-pull rod 23 is pulled, the circular baffle 21 is attached to the first partition plate 3, the annular plug 28 is plugged into the plug gap 27 again, and the motor is started.
The soil rotates along with the screen drum 2, and the large-size screen holes on the wall of the screen drum 2 in the first screening chamber 5 fall into the first collection chamber 34.
And after screening is finished, stopping the motor, and collecting the soil in the first collection cavity 34 and the second collection cavity 35. After the collection is finished, the door leaf of the waste outlet 29 is opened, the motor is started, and the residual soil falls into the first collection cavity 5 from the waste outlet along with the rotation of the screen drum 2.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The drum-type soil screening instrument is characterized by comprising a rack (1), a screen drum (2) arranged on the rack (1), a feeding channel (18) arranged at one end of the screen drum (2) and a collecting cavity arranged below the screen drum (2), wherein the screen drum (2) is a conical drum, the large end of the screen drum is downward, the small end of the screen drum is upward inclined, a circular first partition plate (3) is arranged inside one side of the large end of the screen drum (2), a circular second partition plate (4) is arranged inside one side of the small end of the screen drum, an isolating part (6) is arranged in the middle of the screen drum (2), the first partition plate (3), the isolating part (6) and the drum wall of the screen drum (2) form a first screening cavity (5), the second partition plate (4), the isolating part (6) and the drum wall of the screen drum (2) form a second screening cavity (7), and screen holes are uniformly formed in the drum wall of the screen drum (2) in the first screening cavity (5), the wall of the screen drum (2) in the second screening cavity (7) is uniformly provided with small-sized screen holes;
a circular baffle (21) is arranged in the first screening cavity (5), the circular baffle (21) is matched with the wall of the screening cylinder (2) at the position of the isolation part (6), a push-pull rod (23) is fixedly arranged in the middle of the circular baffle (21), a abdicating hole is formed in the middle of the first partition plate (3), the push-pull rod (23) penetrates through the rack (1) through the abdicating hole, a through hole (24) penetrating through the push-pull rod (23) is formed in the rack (1), a bearing five (25) is embedded in the through hole (24), a blocking gap (27) is reserved between the bearing five (25) and the push-pull rod (23), and an annular blocking plug (28) capable of sliding along the push-pull rod (23) is sleeved on the push-pull rod (23);
the sieve drum (2) is sleeved with a bearing III (19) at the large end, sleeved with a bearing IV (20) at the small end, the outer rings of the bearing III (19) and the bearing IV (20) are fixedly arranged on the rack (1), one end of the sieve drum (2) is sleeved with a transmission gear IV (30), the transmission gear IV (30) is meshed with a driving gear (31), and the driving gear (31) is connected with a motor (33) through a coupler (32);
a feeding hole (41) is formed in the second partition plate (4), an impeller (8) matched with the second partition plate (4) is arranged on the right side of the second partition plate (4), and an outlet of the feeding channel (18) is formed in the upper portion of the right side of the impeller (8);
the collecting cavity comprises a first collecting cavity (34) located below the first screening cavity (5) and a second collecting cavity (35) located below the second screening cavity (7), and the first collecting cavity (34) and the second collecting cavity (35) are separated through a material separating plate (36) located below the separating portion (6).
2. The drum-type soil screening instrument according to claim 1, wherein the impeller (8) penetrates through the rack (1) through a first rotating rod (9), a first transmission gear (10) is sleeved on the first rotating rod (9), a third transmission gear (13) is arranged at the small end of the screen drum (2), the third transmission gear (13) is an internal gear, the first transmission gear (10) and the third transmission gear (13) are respectively meshed with a second transmission gear (11), and the second transmission gear (11) is arranged on the rack (1) through a second rotating rod (12).
3. The drum-type soil screening instrument as claimed in claim 2, wherein said first rotating rod (9) is sleeved with two first bearings (14), said two first bearings (14) are embedded in said frame (1), and said first rotating rod (9) is fixedly connected with inner rings of said first bearings (14).
4. A drum-type soil screening instrument as claimed in claim 3, wherein two said bearings (14) are respectively provided at the penetration and exit of said first rotating rod (9) on said frame (1), and the outside of said bearings (14) is tightly sealed by a cover plate (15).
5. The drum-type soil screening instrument as claimed in claim 2, wherein two second bearings (16) are sleeved on the second rotating rod (12), the two second bearings (16) are embedded on the frame (1), and the second rotating rod (12) is fixedly connected with the inner rings of the second bearings (16).
6. The drum-type soil screening instrument as claimed in claim 5, wherein two second bearings (16) are respectively arranged at the penetration and the penetration of the second rotating rod (12) on the frame (1), and the outer sides of the second bearings (16) are tightly sealed through a second cover plate (17).
7. Roller soil screening apparatus as claimed in claim 1, wherein said annular plug (28) is of rubber material.
8. The drum-type soil screening instrument according to claim 1, wherein, lining rings (37) are respectively arranged between the bearing three (19) and the wall of the screen drum (2), between the bearing four (20) and the wall of the screen drum (2), and between the transmission gear four (30) and the wall of the screen drum (2).
9. Roller soil screening instrument according to claim 1, characterized in that the cylindrical surface of said circular baffle (21) is fitted with a rubber ring (22).
10. The drum-type soil screening instrument as claimed in claim 1, wherein a waste outlet (29) is arranged on the left side wall of the first screening chamber (5), and a door leaf capable of being opened and closed is arranged at the waste outlet (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811242005.XA CN109261488B (en) | 2018-10-24 | 2018-10-24 | Drum-type soil screening appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811242005.XA CN109261488B (en) | 2018-10-24 | 2018-10-24 | Drum-type soil screening appearance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109261488A CN109261488A (en) | 2019-01-25 |
| CN109261488B true CN109261488B (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811242005.XA Expired - Fee Related CN109261488B (en) | 2018-10-24 | 2018-10-24 | Drum-type soil screening appearance |
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| CN (1) | CN109261488B (en) |
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| CN112620069B (en) * | 2020-11-27 | 2022-08-05 | 湖南科森农业股份有限公司 | Fertilizer sieving mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202290547U (en) * | 2011-11-03 | 2012-07-04 | 天津艾杰环保技术工程有限公司 | Garbage breaking and screening machine |
| CN204974404U (en) * | 2015-08-04 | 2016-01-20 | 赣县家家香农产品有限公司 | Tea -oil camellia seed sieving mechanism |
| CN205760891U (en) * | 2016-05-27 | 2016-12-07 | 江苏恒拓医药科技有限公司 | A kind of medicine material mixing arrangement |
| CN108126881A (en) * | 2018-02-10 | 2018-06-08 | 张炳强 | A kind of building sand-gravel separation device for avoiding blocking |
-
2018
- 2018-10-24 CN CN201811242005.XA patent/CN109261488B/en not_active Expired - Fee Related
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|---|---|
| CN109261488A (en) | 2019-01-25 |
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