CN116037451B - Screening device for biomass particles - Google Patents
Screening device for biomass particles Download PDFInfo
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- CN116037451B CN116037451B CN202211655800.8A CN202211655800A CN116037451B CN 116037451 B CN116037451 B CN 116037451B CN 202211655800 A CN202211655800 A CN 202211655800A CN 116037451 B CN116037451 B CN 116037451B
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- rectangular
- strip
- shaped
- cleaning
- supporting frame
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- 239000002245 particle Substances 0.000 title claims abstract description 26
- 239000002028 Biomass Substances 0.000 title claims abstract description 25
- 238000012216 screening Methods 0.000 title claims abstract description 24
- 238000004140 cleaning Methods 0.000 claims abstract description 100
- 230000000712 assembly Effects 0.000 claims abstract description 12
- 238000000429 assembly Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 claims description 11
- 239000011159 matrix material Substances 0.000 claims description 6
- 238000010408 sweeping Methods 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 2
- 239000008187 granular material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 235000017060 Arachis glabrata Nutrition 0.000 description 1
- 244000105624 Arachis hypogaea Species 0.000 description 1
- 235000010777 Arachis hypogaea Nutrition 0.000 description 1
- 235000018262 Arachis monticola Nutrition 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 244000269722 Thea sinensis Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000020232 peanut Nutrition 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000010902 straw Substances 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
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling 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
- B07B1/42—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
-
- 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
- B07B1/50—Cleaning
- B07B1/52—Cleaning with brushes or scrapers
- B07B1/522—Cleaning with brushes or scrapers with brushes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a screening device for biomass particles, which belongs to the technical field of biomass particle screening and comprises a supporting frame, a rectangular screen body, a driving motor, a plurality of cleaning assemblies and a linkage assembly, wherein the supporting frame is arranged on the rectangular screen body; the support frame comprises a rectangular annular support frame; the rectangular screen body is slidably arranged in the rectangular annular supporting frame; the driving motor is arranged at the outer side end of the supporting frame; a supporting beam is arranged between two side ends of the rectangular annular supporting frame; a plurality of cleaning components are uniformly arranged on the supporting beam; the driving motor drives the rectangular screen body to reciprocate left and right through the linkage assembly and simultaneously drives the first strip-shaped cleaning brush in the cleaning assembly to rotate along the rotating shaft. According to the invention, the rectangular screen body is driven to reciprocate to screen through the driving motor, and the first strip-shaped cleaning brush and the second strip-shaped cleaning brush are used for cleaning the blockage, so that the blockage can be cleaned conveniently and efficiently without dead angles.
Description
Technical Field
The invention relates to the technical field of biomass particle screening, in particular to a biomass particle screening device.
Background
The biomass fuel is a block-shaped environment-friendly new energy produced by processing straws, rice hulls, peanut shells, corncobs, oil tea shells, cotton seed shells and the like and three residues. In actual production, biomass particles need to be screened into particles with different sizes according to requirements for use. When the existing screening device screens biomass particles, smaller biomass particles easily block the screen holes; with the increase of time, the blocking rate of the sieve holes is increased, and the sieving efficiency is reduced. In order to realize convenient removal of particles in blocked sieve holes on a sieve, and avoid the sieve holes from being blocked for a long time, the invention provides a screening device for biomass particles.
Disclosure of Invention
Aiming at the technical defects, the invention aims to provide a screening device for biomass particles, which drives a rectangular screen body to reciprocate to screen through a driving motor, and the first strip-shaped cleaning brush and the second strip-shaped cleaning brush are used for cleaning plugs, so that the plugs are conveniently and efficiently cleaned without dead angles, and the problem that the screen provided in the background technology is inconvenient to clean the plugs is solved.
In order to solve the technical problems, the invention adopts the following technical scheme: the invention provides a screening device of biomass particles, which comprises: the cleaning device comprises a supporting frame, a rectangular screen body, a driving motor, a plurality of cleaning assemblies and a linkage assembly; the support frame comprises a rectangular annular support frame; the inner side surfaces of the two side plates of the rectangular annular supporting frame are provided with rectangular sliding grooves; the rectangular screen body is slidably arranged between the two rectangular slide slots; the driving motor is arranged at the outer side end of the supporting frame;
a supporting beam is arranged between two side ends of the rectangular annular supporting frame; a plurality of cleaning components are uniformly arranged on the supporting beam; the cleaning assembly comprises a plurality of first strip-shaped cleaning brushes which are uniformly distributed and arranged on the periphery of the rotating shaft; the rotating shafts are uniformly distributed on the supporting cross beam; the driving motor is connected with the rectangular screen body and the cleaning assembly through the linkage assembly; the driving motor drives the rectangular screen body to reciprocate left and right through the linkage assembly and simultaneously drives the first strip-shaped cleaning brush in the cleaning assembly to rotate along the rotating shaft.
Preferably, the linkage assembly comprises a T-shaped moving plate, an L-shaped push rod and a rotating rod; the output end of the driving motor is vertically and fixedly connected with a rotating rod; a vertical sliding hole is formed in the side face of the vertical plate of the T-shaped movable plate; the outer side end of the rectangular annular supporting frame is provided with a first limiting hole; the transverse plate of the T-shaped movable plate is arranged in the first limiting hole in a sliding matching manner and is fixedly connected with the outer side end of the rectangular screen body; a T-shaped limiting shaft is vertically arranged on the outer side of the end part of the rotating rod; the narrow part of the T-shaped limiting shaft is slidably arranged in the vertical sliding hole.
Preferably, the linkage assembly comprises a ratchet assembly and a transmission assembly; the transmission assembly comprises a plurality of belt pulleys and a transmission belt; one end of the rotating shaft extending out of the lower bottom surface of the supporting beam is coaxially connected with a belt wheel; the pulleys are in transmission connection through a transmission belt.
Preferably, the ratchet assembly comprises a ratchet and a ratchet; a ratchet wheel is fixedly arranged on the lower bottom surface of the belt wheel in a coaxial manner; the ratchet is rotatably arranged on the side surface of one side rod of the L-shaped push rod; one end of the ratchet is matched between two adjacent teeth on the periphery of the ratchet; the other side rod of the L-shaped push rod is fixedly connected with the bottom end of the vertical plate of the T-shaped movable plate.
Preferably, a vertical limiting plate is arranged on the lower surface of one end of the rectangular annular supporting frame; a second limiting hole is formed in the side face of the vertical limiting plate; and one side rod of the L-shaped push rod is slidably arranged in the second limiting hole.
Preferably, the first strip brush comprises a horizontal strip plate; the upper surface of the horizontal strip-shaped plate is locally provided with a brush strip; the upper end part of the brush strip is abutted against the bottom of the screen of the rectangular screen body.
Preferably, a horizontal support plate is arranged at the outer side end of the rectangular annular support frame; the driving motor is fixedly arranged on the upper surface of the horizontal supporting plate; and a plurality of supporting legs are arranged on the lower bottom surface of the rectangular annular supporting frame.
Preferably, a plurality of springs are uniformly and fixedly arranged on the outer side surfaces of the two side ends of the rectangular screen body; one end of the spring is fixedly arranged on the inner side surface of the rectangular annular supporting frame.
Preferably, the outer side surfaces of the two side plates of the rectangular screen body are uniformly and rotatably provided with a plurality of first rollers; the outer side surface of the first roller is connected with a limiting shaft through a screw; the outer side surfaces of the two side plates of the rectangular annular supporting frame are provided with horizontal limiting sliding holes corresponding to the first rollers; the limiting shaft is slidably arranged in the horizontal limiting sliding hole.
Preferably, the lower part of the rectangular annular supporting frame is provided with corner cleaning assemblies which are in one-to-one correspondence with the cleaning assemblies; the corner cleaning assembly comprises four corner cleaning mechanisms distributed in a matrix; the corner sweeping mechanism comprises a supporting block, a second strip-shaped sweeping brush, a torsion spring and a second roller; four supporting blocks in the corner sweeping mechanism are arranged on the inner side of a rectangular annular supporting frame in a matrix distribution manner and are connected end to end by taking the four supporting blocks as vertexes to form a rectangular area S; a circular area R formed by rotation of a plurality of first strip-shaped cleaning brushes in the cleaning assembly; the circular region R is positioned in the corresponding rectangular region S; one end of the second strip-shaped cleaning brush is rotatably arranged on the upper surface of the corresponding supporting block through a central shaft; the torsion spring is sleeved on the outer side surface of the central shaft, and two support arms of the torsion spring are respectively fixed on the support block and the second strip-shaped cleaning brush; in the natural state of the torsion spring, the second strip-shaped cleaning brushes are close to one side of the rectangular area S, and four second strip-shaped cleaning brushes are in one-to-one correspondence with four sides of the rectangular area S; the end of the strip-shaped plate of the second strip-shaped cleaning brush is provided with a notch, and the second roller is rotatably arranged between two side walls of the notch.
The invention has the beneficial effects that:
1. according to the invention, the rotating rod is driven to rotate by the driving motor, so that the T-shaped moving plate is driven to push the rectangular screen body to reciprocate left and right for screening; meanwhile, the L-shaped push rod is driven to reciprocate left and right, and then a plurality of first strip-shaped cleaning brushes are driven to clear the blockage through the ratchet wheel assembly and the transmission assembly.
2. According to the invention, the corner cleaning assemblies which are in one-to-one correspondence with the cleaning assemblies are arranged at the lower part of the rectangular annular supporting frame; when the second strip-shaped cleaning brushes rotate, a plurality of second strip-shaped cleaning brushes can be driven to rotate, so that the screen mesh of the rectangular screen body is free of dead angles and plugs are removed; meanwhile, the rectangular screen body reciprocates to screen, and the first strip-shaped cleaning brush and the second strip-shaped cleaning brush realize that the cleaning of the blockage is realized through the same driving source, so that the efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a screening apparatus for biomass particles according to a first embodiment of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a schematic structural view of a support frame mounting cleaning assembly according to a first embodiment of the present invention.
Fig. 4 is a schematic structural view of a rectangular screen body according to a first embodiment of the present invention.
FIG. 5 is a schematic view of a ratchet assembly according to a first embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a driving motor and a linkage assembly according to a first embodiment of the present invention.
Fig. 7 is a schematic structural view of a screening device for biomass particles according to a second embodiment of the present invention without a rectangular screen body.
Fig. 8 is a top view of fig. 7.
Fig. 9 is a schematic structural diagram of a corner cleaning mechanism according to a second embodiment of the present invention.
Reference numerals illustrate: the device comprises a 1-supporting frame, a 11-rectangular annular supporting frame, a 111-rectangular sliding notch, a 112-first limiting hole, a 113-vertical limiting plate, a 114-second limiting hole, a 115-horizontal supporting plate, a 116-horizontal limiting sliding hole, a 2-rectangular screen body, a 21-spring, a 22-first roller, a 221-limiting shaft, a 3-driving motor, a 41-supporting beam, a 42-first strip-shaped cleaning brush, a 421-horizontal strip-shaped plate, a 422-brush strip, a 51-T-shaped moving plate, a 511-vertical plate, a 512-vertical sliding hole, a 513-transverse plate, a 52-L-shaped push rod, a 53-rotating rod, a 531-T-shaped limiting shaft, a 541-belt wheel, a 542-driving belt, a 551-ratchet wheel, a 552-ratchet, a 61-supporting block, a 62-second strip-shaped cleaning brush, a 63-torsion spring and a 64-second roller.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
as shown in fig. 1 to 9, the present invention provides a screening apparatus for biomass particles, comprising: the cleaning device comprises a supporting frame 1, a rectangular screen body 2, a driving motor 3, a plurality of cleaning components and a linkage component; the support frame 1 comprises a rectangular annular support frame 11; rectangular slide slots 111 are formed in the inner side surfaces of the two side plates of the rectangular annular supporting frame 11; the rectangular screen body 2 is slidably mounted between two rectangular slide slots 111; the driving motor 3 is arranged at the outer side end of the supporting frame 1; the outer side end of the rectangular annular supporting frame 11 is provided with a horizontal supporting plate 115; the driving motor 3 is fixedly installed on the upper surface of the horizontal support plate 115; the lower bottom surface of the rectangular annular supporting frame 11 is provided with a plurality of supporting legs for supporting; simultaneously, the outer side surfaces of the two side ends of the rectangular screen body 2 are uniformly and fixedly provided with a plurality of springs 21; one end of the spring 21 is fixedly arranged on the inner side surface of the rectangular annular supporting frame 11 and is used for buffering the rectangular screen body 2 and providing restoring force; in addition, the outer side surfaces of the two side plates of the rectangular screen body 2 are uniformly and rotatably provided with a plurality of first rollers 22; the outer side surface of the first roller 22 is connected with a limiting shaft 221 through screws; the outer side surfaces of the two side plates of the rectangular annular supporting frame 11 are provided with horizontal limiting sliding holes 116 corresponding to the first rollers 22; the limiting shaft 221 is slidably mounted in the horizontal limiting sliding hole 116, and by arranging the first roller 22, sliding friction is changed into rolling friction, so that the resistance of the rectangular screen body 2 moving in the rectangular sliding notch 111 is reduced, and the rectangular screen is convenient and practical.
Referring to fig. 3, a supporting beam 41 is installed between two side ends of a rectangular annular supporting frame 11; a plurality of cleaning components are uniformly arranged on the supporting beam 41; the cleaning assembly comprises a plurality of first strip-shaped cleaning brushes 42 which are uniformly distributed on the periphery of the rotating shaft; a plurality of rotating shafts are uniformly distributed on the supporting beam 41; specifically, the first strip brush cleaner 42 includes a horizontal strip plate 421; the brush bar 422 is partially installed on the upper surface of the horizontal bar-shaped plate 421, and in this embodiment, as shown in fig. 3, two first bar-shaped cleaning brushes 42 are installed on the circumference of the same rotating shaft and are located on the same diameter of the rotating shaft; the upper end of the brush strip 422 abuts against the bottom of the screen mesh of the rectangular screen body 2, and in fact, the brush strip 422 is of an elastic structure, so that the blockage in the screen holes can be effectively removed.
Referring to fig. 1 to 3 and 6, a driving motor 3 is connected with a rectangular screen body 2 and a cleaning assembly through a linkage assembly; the driving motor 3 drives the rectangular screen body 2 to reciprocate left and right through the linkage assembly and simultaneously drives the first strip-shaped cleaning brush 42 in the cleaning assembly to rotate along the rotating shaft. Specifically, the linkage assembly includes a T-shaped moving plate 51, an L-shaped push rod 52, and a rotating rod 53; the output end of the driving motor 3 is vertically and fixedly connected with a rotating rod 53; the side of the vertical plate 511 of the T-shaped movable plate 51 is provided with a vertical sliding hole 512, and specifically, the vertical sliding hole 512 is symmetrical with respect to the vertical plate 511; the outer side end of the rectangular annular supporting frame 11 is provided with a first limiting hole 112; the transverse plate 513 of the T-shaped movable plate 51 is arranged in the first limiting hole 112 in a sliding matching way, and the transverse plate of the T-shaped movable plate 51 is fixedly connected with the outer side end of the rectangular screen body 2; a T-shaped limiting shaft 531 is vertically arranged outside the end part of the rotating rod 53; the narrow part of the T-shaped limiting shaft 531 is slidably arranged in the vertical sliding hole 512; the driving motor 3 drives the rotating rod 53 to rotate, so as to drive the T-shaped movable plate 51 to horizontally reciprocate; the rectangular screen body 2 is driven to horizontally reciprocate left and right in the rectangular annular supporting frame 11, and biomass particles are conveniently screened.
Referring to fig. 2, 3 and 5-7, the linkage assembly includes a ratchet assembly and a transmission assembly; the drive assembly includes a number of pulleys 541 and a drive belt 542; one end of the rotating shaft extending out of the lower bottom surface of the supporting beam 41 is coaxially connected with a belt wheel 541; the pulleys 541 are connected by transmission through a transmission belt 542, so as to drive the first strip-shaped cleaning brushes 42 to clean simultaneously. Meanwhile, the ratchet assembly includes a ratchet 551 and a ratchet 552; a ratchet 551 is fixedly arranged on the lower bottom surface of the belt wheel 541 in a coaxial manner; the ratchet 552 is rotatably installed at one side of the L-shaped push rod 52; one end of the ratchet 552 is matched between two adjacent teeth on the periphery of the ratchet 551, in fact, when the ratchet 552 is driven by the L-shaped push rod 52 to reciprocate horizontally, the ratchet 551 can be intermittently driven to rotate, and then the belt pulley 541 and the transmission belt 542 are driven, and the ratchet assembly at the position is the prior art and is not repeated here; the other side rod of the L-shaped push rod 52 is fixedly connected with the bottom end of the vertical plate 511 of the T-shaped movable plate 51; the T-shaped moving plate 51 is driven by the driving motor 3 to push the rectangular screen body 2 to reciprocate left and right for screening; simultaneously driving the L-shaped push rod 52 to reciprocate left and right, and further driving the ratchet assembly and the transmission assembly to simultaneously drive the first strip-shaped cleaning brushes 42 to remove the blockage; specifically, a vertical limiting plate 113 is mounted on the lower surface of one end of the rectangular annular supporting frame 11; the side surface of the vertical limiting plate 113 is provided with a second limiting hole 114; one side rod of the L-shaped push rod 52 is slidably arranged in the second limiting hole 114, so that the stability of the L-shaped push rod 52 in the horizontal left-right reciprocating motion process is ensured.
In actual use, the driving motor 3 drives the rotating rod 53 to rotate, so as to drive the T-shaped moving plate 51 to push the rectangular screen body 2 to reciprocate left and right for screening; meanwhile, the L-shaped push rod 52 is driven to reciprocate left and right, and then a plurality of first strip-shaped cleaning brushes 42 are driven to remove the blockage through the ratchet assembly and the transmission assembly.
Embodiment two:
referring to fig. 7 to 9, on the basis of retaining all the technical features in the first embodiment, the lower part of the rectangular annular supporting frame 11 is provided with corner cleaning assemblies corresponding to the cleaning assemblies one by one; the corner cleaning component comprises four corner cleaning mechanisms distributed in a matrix; the corner cleaning mechanism comprises a supporting block 61, a second strip-shaped cleaning brush 62, a torsion spring 63 and a second roller 64; four supporting blocks 61 in the corner sweeping mechanism are arranged on the inner side of the rectangular annular supporting frame 11 in a matrix distribution manner, and the four supporting blocks 61 are used as vertexes to be connected end to form a rectangular area S; a circular area R formed by rotation of a plurality of first strip-shaped cleaning brushes 42 in the same cleaning assembly; the circular area R is positioned in the corresponding rectangular area S, and the rectangular area S coincides with the center of the circular area R; one end of the second bar-shaped cleaning brush 62 is rotatably installed on the upper surface of the corresponding supporting block 61 through a central shaft; the torsion spring 63 is sleeved on the outer side surface of the central shaft, and two support arms of the torsion spring 63 are respectively fixed on the support block 61 and the second strip-shaped cleaning brush 62; in the natural state of the torsion spring 63, the second strip-shaped cleaning brushes 62 are close to one side of the rectangular area S, and the four second strip-shaped cleaning brushes 62 are in one-to-one correspondence with four sides of the rectangular area S, specifically, in order to ensure that the second strip-shaped cleaning brushes 62 can be conveniently driven to rotate when the first strip-shaped cleaning brushes 42 rotate, certain included angles are formed between the second strip-shaped cleaning brushes 62 and the corresponding rectangular sides, and the included angles are not excessively large, and are preferably 2-10 degrees generally; the rectangular sides corresponding to the second strip-shaped cleaning brush 62 will hereinafter be referred to simply as corresponding rectangular sides; the first strip brush 42 is not suitable to drive the second strip brush 62 to rotate when the angle is too small; an excessively large angle leaves a large area, which makes it difficult to reach even the resilience of the torsion spring 63; in fact, when the angle is appropriate, when the first strip-shaped cleaning brush 42 does not drive the second strip-shaped cleaning brush 62 to rotate, the second strip-shaped cleaning brush 62 can cover a remaining area, i.e. an area corresponding to the included angle in the above description, under the resilience force of the torsion spring 63. The notch is seted up at the strip shaped plate end of second bar brush cleaner 62 and second gyro wheel 64 rotates and installs between the notch both sides wall, through setting up second gyro wheel 64, changes sliding friction into rolling friction, reduces the resistance between first bar brush cleaner 42 and the second bar brush cleaner 62, is convenient for drive second bar brush cleaner 62 and rotates. In fact, to ensure that the first bar brush 42 is capable of rotating the second bar brush 62, the direction of rotation of the first bar brush 42 is the same as the direction in which the second bar brush 62 is away from the corresponding rectangular edge, which is referred to herein as clockwise or counter-clockwise.
In actual use, the lower part of the rectangular annular supporting frame 11 is provided with corner cleaning assemblies which are in one-to-one correspondence with the cleaning assemblies; when the second strip-shaped cleaning brushes 62 rotate, a plurality of second strip-shaped cleaning brushes 62 can be driven to rotate, so that the screen mesh of the rectangular screen body 2 is free from dead angles, and blockage is removed; meanwhile, the rectangular screen body 2 reciprocates and screens, the first strip-shaped cleaning brush 42 and the second strip-shaped cleaning brush 62 realize that the cleaning of the blockage passes through the same driving source, so that the efficiency is improved.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (9)
1. Sieving mechanism of living beings granule, its characterized in that includes: the cleaning device comprises a supporting frame (1), a rectangular screen body (2), a driving motor (3), a plurality of cleaning components and a linkage component;
the support frame (1) comprises a rectangular annular support frame (11); rectangular slide slots (111) are formed in the inner side surfaces of the two side plates of the rectangular annular supporting frame (11); the rectangular screen body (2) is slidably arranged between the two rectangular slide slots (111); the driving motor (3) is arranged at the outer side end of the supporting frame (1);
a supporting beam (41) is arranged between two side ends of the rectangular annular supporting frame (11); a plurality of cleaning components are uniformly distributed on the supporting beam (41); the cleaning assembly comprises a plurality of first strip-shaped cleaning brushes (42) which are uniformly distributed and arranged on the periphery of the rotating shaft; the rotating shafts are uniformly distributed on the supporting cross beam (41);
the driving motor (3) is connected with the rectangular screen body (2) and the cleaning assembly through the linkage assembly; the driving motor (3) drives the rectangular screen body (2) to reciprocate left and right through the linkage assembly and simultaneously drives the first strip-shaped cleaning brush (42) in the cleaning assembly to rotate along the rotating shaft;
the lower part of the rectangular annular supporting frame (11) is provided with corner cleaning assemblies which are in one-to-one correspondence with the cleaning assemblies; the corner cleaning assembly comprises four corner cleaning mechanisms distributed in a matrix; the corner sweeping mechanism comprises a supporting block (61), a second strip-shaped cleaning brush (62), a torsion spring (63) and a second roller (64); four supporting blocks (61) in the corner sweeping mechanism are arranged on the inner side of a rectangular annular supporting frame (11) in a matrix distribution manner, and the four supporting blocks (61) are used as vertexes to be connected end to form a rectangular area S; a circular area R formed by rotation of a plurality of first strip-shaped cleaning brushes (42) in the cleaning assembly; the circular region R is positioned in the corresponding rectangular region S; one end of the second strip-shaped cleaning brush (62) is rotatably arranged on the upper surface of the corresponding supporting block (61) through a central shaft; the torsion spring (63) is sleeved on the outer side surface of the central shaft, and two support arms of the torsion spring (63) are respectively fixed on the support block (61) and the second strip-shaped cleaning brush (62); in the natural state of the torsion spring (63), the second strip-shaped cleaning brushes (62) are close to one side of the rectangular area S, and four second strip-shaped cleaning brushes (62) are in one-to-one correspondence with four sides of the rectangular area S; the tail end of the strip-shaped plate of the second strip-shaped cleaning brush (62) is provided with a notch, and the second roller (64) is rotatably arranged between two side walls of the notch;
the second strip-shaped cleaning brush (62) has a certain included angle with the corresponding rectangular edge, and the included angle is 2-10 degrees.
2. The biomass particle screening apparatus of claim 1, wherein the linkage assembly comprises a T-shaped moving plate (51), an L-shaped push rod (52), and a rotating rod (53); the output end of the driving motor (3) is vertically and fixedly connected with a rotating rod (53); a vertical sliding hole (512) is formed in the side face of a vertical plate (511) of the T-shaped movable plate (51); the outer side end of the rectangular annular supporting frame (11) is provided with a first limiting hole (112); the transverse plate (513) of the T-shaped movable plate (51) is arranged in the first limiting hole (112) in a sliding matching mode, and the transverse plate of the T-shaped movable plate (51) is fixedly connected with the outer side end of the rectangular screen body (2); a T-shaped limiting shaft (531) is vertically arranged on the outer side of the end part of the rotating rod (53); the narrow part of the T-shaped limiting shaft (531) is slidably arranged in the vertical sliding hole (512).
3. The biomass particle screening apparatus of claim 2, wherein the linkage assembly comprises a ratchet assembly and a drive assembly; the transmission assembly comprises a plurality of pulleys (541) and a transmission belt (542); one end of the rotating shaft extending out of the lower bottom surface of the supporting beam (41) is coaxially connected with a belt wheel (541); the pulleys (541) are in transmission connection through a transmission belt (542).
4. A screening apparatus for biomass particles according to claim 3, wherein the ratchet assembly comprises a ratchet (551) and a ratchet (552); a ratchet wheel (551) is fixedly arranged on the lower bottom surface of the belt wheel (541) in a coaxial manner; the ratchet (552) is rotatably arranged on one side surface of the L-shaped push rod (52); one end of the ratchet (552) is matched between two adjacent teeth on the periphery side of the ratchet (551); the other side rod of the L-shaped push rod (52) is fixedly connected with the bottom end of a vertical plate (511) of the T-shaped movable plate (51).
5. The biomass particle screening device according to claim 4, wherein a vertical limiting plate (113) is installed on the lower surface of one end of the rectangular annular supporting frame (11); a second limiting hole (114) is formed in the side face of the vertical limiting plate (113); one side rod of the L-shaped push rod (52) is slidably arranged in the second limiting hole (114).
6. A screening device for biomass particles according to claim 5, characterized in that the first strip brush (42) comprises a horizontal strip plate (421); the upper surface of the horizontal strip-shaped plate (421) is locally provided with a brush strip (422); the upper end part of the brush strip (422) is abutted against the bottom of the screen of the rectangular screen body (2).
7. The biomass particle screening device according to claim 6, wherein a horizontal support plate (115) is installed at the outer side end of the rectangular annular support frame (11); the driving motor (3) is fixedly arranged on the upper surface of the horizontal supporting plate (115); and a plurality of supporting legs are arranged on the lower bottom surface of the rectangular annular supporting frame (11).
8. The biomass particle screening device according to claim 1 or 7, wherein a plurality of springs (21) are uniformly and fixedly arranged on the outer side surfaces of the two side ends of the rectangular screen body (2); one end of the spring (21) is fixedly arranged on the inner side surface of the rectangular annular supporting frame (11).
9. The biomass particle screening device according to claim 8, wherein a plurality of first rollers (22) are uniformly and rotatably arranged on the outer side surfaces of the two side plates of the rectangular screen body (2); the outer side surface of the first roller (22) is connected with a limiting shaft (221) through screws; the outer side surfaces of the two side plates of the rectangular annular supporting frame (11) are provided with horizontal limiting sliding holes (116) corresponding to the first rollers (22); the limiting shaft (221) is slidably mounted in the horizontal limiting sliding hole (116).
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| CN202211655800.8A CN116037451B (en) | 2022-12-22 | 2022-12-22 | Screening device for biomass particles |
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| CN202211655800.8A CN116037451B (en) | 2022-12-22 | 2022-12-22 | Screening device for biomass particles |
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| CN116037451B true CN116037451B (en) | 2023-11-17 |
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|---|---|
| CN116037451A (en) | 2023-05-02 |
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