CN113908971A - Seed screening installation is used in pumpkin breeding - Google Patents
Seed screening installation is used in pumpkin breeding Download PDFInfo
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- CN113908971A CN113908971A CN202111127059.3A CN202111127059A CN113908971A CN 113908971 A CN113908971 A CN 113908971A CN 202111127059 A CN202111127059 A CN 202111127059A CN 113908971 A CN113908971 A CN 113908971A
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- 238000012216 screening Methods 0.000 title claims abstract description 109
- 235000000832 Ayote Nutrition 0.000 title claims abstract description 19
- 235000009854 Cucurbita moschata Nutrition 0.000 title claims abstract description 19
- 240000001980 Cucurbita pepo Species 0.000 title claims abstract description 19
- 235000009804 Cucurbita pepo subsp pepo Nutrition 0.000 title claims abstract description 19
- 235000015136 pumpkin Nutrition 0.000 title claims abstract description 19
- 238000009395 breeding Methods 0.000 title claims abstract description 16
- 230000001488 breeding effect Effects 0.000 title claims abstract description 16
- 238000009434 installation Methods 0.000 title description 3
- 239000000463 material Substances 0.000 claims abstract description 79
- 238000004140 cleaning Methods 0.000 claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 239000000428 dust Substances 0.000 claims abstract description 25
- 238000007664 blowing Methods 0.000 claims abstract description 16
- 238000005192 partition Methods 0.000 claims description 26
- 238000001035 drying Methods 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 230000001105 regulatory effect Effects 0.000 claims 3
- 241000408747 Lepomis gibbosus Species 0.000 abstract description 96
- 235000020236 pumpkin seed Nutrition 0.000 abstract description 96
- 239000007789 gas Substances 0.000 description 13
- 239000012535 impurity Substances 0.000 description 10
- 230000007306 turnover Effects 0.000 description 9
- 239000002699 waste material Substances 0.000 description 9
- 230000036544 posture Effects 0.000 description 8
- 238000000926 separation method Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241000219104 Cucurbitaceae Species 0.000 description 1
- 241000196324 Embryophyta 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
- 239000012141 concentrate Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B11/00—Feed or discharge devices integral with washing or wet-separating equipment
-
- 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
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
-
- 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
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
- F26B23/06—Heating arrangements using electric heating resistance heating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Pretreatment Of Seeds And Plants (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses seed screening equipment for pumpkin breeding, which comprises a front screening mechanism, wherein a grading screening mechanism is arranged on one side of the front screening mechanism, the grading screening mechanism comprises a sorting groove, an adjusting part for adjusting the posture of sorted seeds is arranged at the bottom of the sorting groove, a bearing plate is arranged below the adjusting part, a wind power screening pipe is arranged between the bearing plate and the adjusting part, and the blowing direction of the wind power screening pipe is vertical to the falling direction of the seeds; a dust removal cleaning mechanism for cleaning the classified seeds is arranged on one side of the classifying and screening mechanism; according to the pumpkin screening machine, the material receiving groove is arranged to collect sorted pumpkin seeds, the pumpkin seeds enter the narrow slit through the guide of the material receiving groove, the posture of the pumpkin seeds is adjusted, and then the wind screening pipe is used for vertically blowing the pumpkin seeds in the falling direction of the seeds.
Description
Technical Field
The invention relates to seed screening equipment, in particular to seed screening equipment for pumpkin breeding.
Background
Pumpkin is a species of cucurbitaceae, an annual sprawling herbaceous plant, and is widely planted in various places. The pumpkin seeds are generally flat and oval, one end of each pumpkin seed is slightly sharp, the appearance of each pumpkin seed is yellow and white, edges of each pumpkin seed are slightly ridged, the length of each pumpkin seed is about 1.2-2 cm, and the width of each pumpkin seed is about 0.7-1.2 cm. Due to the fact that the quality of pumpkin seeds is different, people are required to automatically screen useful pumpkin seeds when the pumpkin is bred.
Compared with the dry and hollow inferior seeds, the mature and full high-quality seeds have higher integral density and higher quality, so the existing screening mode of the pumpkin seeds usually enables the seeds to be screened to fall freely, and then utilizes a lateral blowing mode to separate the inferior seeds, dust, impurities and the like from the high-quality seeds, but for the screening mode, because the orientation postures of the seeds during falling are inconsistent, the windward areas of the seeds are greatly different, the situation that the high-quality seeds are blown out due to overlarge windward force or the poor seeds are retained due to small windward force is easy to occur, and the screening accuracy is not high; meanwhile, the existing screening mode for the pumpkin seeds also has the problems that impurity dust generated during screening naturally scatters to cause certain influence on the environment, and the screened seeds have high dust content.
Disclosure of Invention
The invention aims to provide seed screening equipment for pumpkin breeding, and the seed screening equipment is used for solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a seed screening installation for pumpkin breeding, includes leading screening mechanism, leading screening mechanism is including screening case, the feed inlet has been seted up at the top of screening case, the both sides of feed inlet inner wall all are connected with the closing plate through the torsional spring rotation, the equal fixedly connected with aspiration channel in top of screening both sides, two the one end of aspiration channel all with external negative pressure bleed the output fixed connection that sets up.
The material overturning device comprises a screening box and is characterized in that two material overturning parts are rotatably mounted in the middle of the inner wall of the screening box, each material overturning part comprises a central vent pipe, a plurality of gas outlets are formed in the middle of the central vent pipe, an outer sleeve is sleeved on the outer wall of the central vent pipe, the central vent pipe is fixedly connected with the outer sleeve through a plurality of limiting columns, a plurality of gas blowing holes are formed in the outer wall of the outer sleeve, a material overturning rod is fixedly connected to a gap part between the plurality of gas blowing holes, a spherical rubber pad is fixedly connected to the end part of each material overturning rod, two material overturning motors are embedded in the inner wall of the screening box, the output ends of the two material overturning motors are respectively and fixedly connected with one ends of the two central vent pipes, the other ends of the two central vent pipes are rotatably connected with gas inlet pipes, and one ends of the two gas inlet pipes are respectively communicated with the output end of an external gas pump; the bottom of the inner wall of the screening box is fixedly connected with a vibrating screen which is obliquely arranged.
A grading and screening mechanism is arranged on one side of the front screening mechanism and comprises a sorting groove which is obliquely arranged, and the higher end of the sorting groove is arranged corresponding to the lower end of the vibrating screen; the inner wall of the sorting groove is fixedly connected with a plurality of partition plates, the sides, with higher top surfaces, of the plurality of partition plates are all arc-shaped surfaces, the sides, with lower top surfaces, of the plurality of partition plates are all inclined surfaces, the sizes of the plurality of partition plates are different, and the cross section area of the partition plate at the higher position is smaller; the inner cavity of the sorting groove is divided into a plurality of subareas by a plurality of partition plates, a plurality of sorting ports are formed in the bottom of each subarea, and the inner diameter of each sorting port in each subarea with the higher height is smaller;
the bottom of the sorting groove is provided with an adjusting piece for adjusting the posture of the sorted seeds, the adjusting piece comprises a material receiving plate, the top of the material receiving plate is provided with a material receiving groove, the inner cavity of the material receiving groove is divided into a plurality of material receiving areas through a plurality of material receiving plates, and the plurality of material receiving areas are respectively arranged corresponding to the bottoms of the plurality of subareas; the bottom of the material receiving plate is fixedly connected with an adjusting plate, the top of the adjusting plate is provided with a triangular groove, the middle of the adjusting plate is provided with a narrow slit, strip-shaped pieces are arranged inside the narrow slit, and the bottoms of a plurality of strip-shaped pieces are respectively and fixedly connected with the bottoms of a plurality of material receiving plates;
a bearing plate is arranged below the adjusting part, a wind screening pipe is arranged between the bearing plate and the adjusting part, and the blowing direction of the wind screening pipe is vertical to the falling direction of the seeds; an air outlet is formed in one side, close to the material receiving plate, of the separation and screening pipe, the wind power screening pipe is horizontally arranged, and air is fed from a port close to the lower end of the height of the sorting groove of the wind power screening pipe; one side of the bearing plate, which is far away from the wind screening pipe, is fixedly connected with a waste plate;
the classifying and screening mechanism is arranged inside the protective cover plate, one side of the protective cover plate is fixedly connected with the screening box, a waste material opening is formed in one end of the protective cover plate, and one end of the waste material plate is fixedly connected with the waste material opening.
A dust removal cleaning mechanism used for cleaning the classified seeds is arranged on one side of the grading screening mechanism and comprises a cleaning pool, the inner cavity of the cleaning pool is divided into a plurality of cleaning grooves by a plurality of cleaning plates, the bottoms of the cleaning grooves are all connected with material pushing plates in a sliding mode, any two adjacent material pushing plates are all fixedly connected through short shafts, the middle parts of the cleaning plates are all provided with through grooves for the short shafts to move, the middle parts of the inner walls of the through grooves are provided with sliding cavities, the middle parts of the short shafts are fixedly connected with sealing plates, and the sealing plates are connected in the sliding cavities in a sliding mode; the two material pushing plates positioned on the side edges are fixedly connected with the material pushing frame, and the material pushing frame is fixedly connected with the output end of the material pushing cylinder; the tops of the plurality of material pushing plates are all arranged in a step shape; one side of the cleaning top is connected with a net rack in a clamping manner, the bottom of the net rack is fixedly connected with a fishing net, and the bottom of the fishing net is fixedly connected with a balancing weight;
one end of each cleaning groove is connected with a lifting plate in a sliding manner; the tops of the lifting plates are obliquely arranged, water permeable openings are formed in the top surfaces of the lifting plates and one sides of the lifting plates, and the inner walls of the water permeable openings are fixedly connected with water permeable nets; the bottom of the lifting plate is fixedly connected with a push plate, and a lifting cylinder is fixedly mounted at the bottom of the push plate.
One end of the cleaning pool is fixedly connected with a drying mechanism, the drying mechanism comprises a drying box, one side of the inner wall of the drying box is fixedly connected with a draining plate, the top of the draining plate is inclined and provided with a draining port, the inner wall of the draining port is fixedly connected with a draining separation net, one side of the draining plate is fixedly connected with a grid box, and the bottom of the inner wall of the drying box is fixedly provided with a hot air blower; the air-out direction of air-heater is vertical upwards, the top fixedly connected with upper cover plate of net case, the bottom fixed mounting of upper cover plate has a plurality of stoving lamp, the export has been seted up to one side of net case, and a plurality of screening discharge gate has been seted up to one side of stoving case, and the equal fixedly connected with guide plate in one side of a plurality of screening discharge gate, one side of a plurality of screening discharge gate is adjusted well with one side of a plurality of export respectively and is set up.
Compared with the prior art, the invention has the beneficial effects that: according to the pumpkin seed screening device, the material receiving groove is arranged to collect the sorted pumpkin seeds, the pumpkin seeds are guided into the narrow slit, the postures of the pumpkin seeds are adjusted, and then air is blown vertically along the falling direction of the seeds through the wind screening pipe;
the sorting groove is divided into a plurality of different subareas, sorting ports with different sizes are formed in the different subareas, the pumpkin seeds are screened step by step according to the sizes, and the partition plates in the sorting groove are set to be different in size, so that the stepped blocking of the pumpkin seeds with different sizes is realized, the pumpkin seeds are reserved in the subareas matched with the sizes of the pumpkin seeds, and the screening efficiency is improved;
the turnover motor drives the turnover piece to integrally rotate, so that the pumpkin seeds are turned, the pumpkin seeds are prevented from being blocked and deposited, the screening operation of the vibrating screen is facilitated, and meanwhile, the pumpkin seeds are driven to move through the turning operation of the pumpkin seeds, so that the pumpkin seeds are mutually rubbed, and dust attached to the surfaces of the pumpkin seeds is more easily removed; the pumpkin seeds are blown and guided to the direction of the air suction pipe by arranging the central air pipe to introduce air into the outer sleeve and arranging the air blowing port on the outer sleeve, so that the dust removal efficiency is improved;
utilize the buoyancy of clean pond water to carry out further screening to the pumpkin seed, promote the material pushing frame and a plurality of scraping wings reciprocating motion through pushing away the material cylinder, concentrate the pumpkin seed to the direction propelling movement of lifting board place, realize stirring the pumpkin seed simultaneously, promote the cleaning performance of pumpkin seed, reduce the dust content of seed.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the pre-screening mechanism of the present invention;
FIG. 3 is a first cross-sectional view of the classifying screen mechanism of the present invention;
FIG. 4 is a second cross-sectional view of the classifying screen mechanism of the present invention;
FIG. 5 is a cross-sectional view of the dust removal cleaning mechanism of the present invention;
fig. 6 is a sectional view of the drying mechanism of the present invention.
In the figure: 1. screening the box; 2. a closing plate; 3. an air suction pipe; 4. a central vent pipe; 5. an outer sleeve; 6. a gas blowing hole; 7. a material turning rod; 8. vibrating screen; 9. a sorting tank; 10. a partition plate; 11. a sorting port; 12. a material receiving plate; 13. an adjusting plate; 14. a bearing plate; 15. a wind screening pipe; 16. a shield plate; 17. a waste material port; 18. cleaning the pool; 19. a material pushing plate; 20. a material pushing frame; 21. a material pushing cylinder; 22. a net frame; 23. lifting the plate; 24. a lifting cylinder; 25. a drying oven; 26. a draining board; 27. a grid box; 28. a hot air blower; 29. an upper cover plate; 30. screening a discharge hole; 32. draining ports; 33. a water permeable port; 35. an air outlet; 36. a limiting column.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, in an embodiment of the present invention, a seed screening apparatus for pumpkin breeding includes a front screening mechanism, the front screening mechanism includes a screening box 1, a feeding port is formed in a top of the screening box 1, two sides of an inner wall of the feeding port are rotatably connected to a sealing plate 2 through a torsion spring, suction pipes 3 are fixedly connected to tops of the two screening sides, one end of each of the two suction pipes 3 is fixedly connected to an output end of an external dust suction apparatus, dust and other impurities in flue gas of pumpkin seeds during feeding and screening processes are sucked and discharged through the suction pipes 3, and ports of the two suction pipes 3 in the screening box 1 are both disposed obliquely downward to reduce a probability that the pumpkin seeds fall into the suction pipes 3.
Two material turning parts are rotatably mounted in the middle of the inner wall of the screening box 1 and comprise a central vent pipe 4, a plurality of gas outlets are formed in the middle of the central vent pipe 4, an outer sleeve 5 is sleeved on the outer wall of the central vent pipe 4, the central vent pipe 4 is fixedly connected with the outer sleeve 5 through a plurality of limiting columns 36, a plurality of gas blowing holes 6 are formed in the outer wall of the outer sleeve 5, material turning rods 7 are fixedly connected to gaps among the plurality of gas blowing holes 6, spherical rubber pads are fixedly connected to the end portions of the plurality of material turning rods 7, two material turning motors are embedded in the inner wall of the screening box 1, the output ends of the two material turning motors are fixedly connected with one ends of the two central vent pipes 4 respectively, the other ends of the two central vent pipes 4 are rotatably connected with gas inlet pipes, and one ends of the two gas inlet pipes are communicated with an external gas pump output end; the bottom of the inner wall of the screening box 1 is fixedly connected with an obliquely arranged vibrating screen 8; the rotation directions of the two turnover motors are opposite, the requirement that the two turnover motors can drive the pumpkin seeds to move upwards through rotation is met, the turnover motor drives the turnover part to integrally rotate, the pumpkin seeds are turned, the pumpkin seeds are prevented from being blocked and silted, the screening operation of the vibrating screen 8 is facilitated, and meanwhile, the pumpkin seeds are driven to move through the turnover operation of the pumpkin seeds, so that the pumpkin seeds are mutually rubbed, and dust attached to the surfaces of the pumpkin seeds is more easily removed; through setting up the air that lets in central breather pipe 4 to outer sleeve pipe 5 to set up the mode of blowing the mouth on outer sleeve pipe 5, blow the guide with mixed dust impurity in the pumpkin seed to the breathing pipe place orientation, improve the efficiency of getting rid of dust.
A grading and screening mechanism is arranged on one side of the front screening mechanism, the grading and screening mechanism comprises a sorting groove 9 which is obliquely arranged, and the higher end of the sorting groove 9 is arranged corresponding to the lower end of the vibrating screen 8; the inner wall of the separation groove 9 is fixedly connected with a plurality of partition plates 10, the sides with higher top surfaces of the plurality of partition plates 10 are all arranged into arc-shaped surfaces, the sides with lower top surfaces of the plurality of partition plates 10 are all arranged into inclined surfaces, the sizes of the plurality of partition plates 10 are different, and the cross section area of the partition plate 10 with higher position is smaller; the inner cavity of the separation groove 9 is divided into a plurality of subareas by a plurality of partition plates 10, a plurality of separation ports 11 are formed in the bottoms of the subareas, and the inner diameter of the separation ports 11 in the subareas with higher heights is smaller; through dividing into the subregion of a plurality of difference with sorting tank 9 to set up the sorting opening 11 of equidimension not in the subregion of difference, carry out gradual screening according to the size to the pumpkin seed, the division board 10 that the sectional area is less strong to the damming of the pumpkin seed of great volume, with this realization to the echelon of the pumpkin seed of equidimension not damming, make the pumpkin seed remain with self size assorted subregion in, improve screening efficiency.
The bottom of the sorting groove 9 is provided with an adjusting piece for adjusting the posture of the sorted seeds, the adjusting piece comprises a material receiving plate 12, the top of the material receiving plate 12 is provided with a material receiving groove, the inner cavity of the material receiving groove is divided into a plurality of material receiving areas through a plurality of material receiving plates 12, and the plurality of material receiving areas are respectively arranged corresponding to the bottoms of the plurality of subareas; the bottom of the material receiving plate 12 is fixedly connected with an adjusting plate 13, the top of the adjusting plate 13 is provided with a triangular groove, the middle of the adjusting plate 13 is provided with a narrow slit, the width of the narrow slit is enough to enable pumpkin seeds to pass through in a digital posture, strip-shaped pieces are arranged inside the narrow slit, and the bottoms of the strip-shaped pieces are respectively and fixedly connected with the bottoms of the material receiving plates 12; the pumpkin seeds after being sorted are collected through the material receiving groove and enter the narrow slit through the guide of the material receiving groove, the pumpkin seeds are flat, the thickness of the pumpkin seeds is far smaller than the length and the width of the pumpkin seeds, the pumpkin seeds can pass through the narrow slit in a vertical posture, the posture of the pumpkin seeds is adjusted, the bearing plate 14 is arranged below the adjusting piece, the wind screening pipe 15 is arranged between the bearing plate 14 and the adjusting piece, and the blowing direction of the wind screening pipe 15 is perpendicular to the falling direction of the seeds; the air outlet 35 has been seted up to one side that the separation screening pipe is close to and connects flitch 12, bloies to the pumpkin seed of whereabouts through wind-force screening pipe 15, carries out further cleaing away the impurity dust that can be in the pumpkin seed, because the pumpkin seed all falls with vertical gesture, and consequently the wind-force effect that receives is even relatively, and the accuracy of screening is higher.
The wind power screening pipe 15 is horizontally arranged, and air is fed from a port close to the lower end of the height of the sorting groove 9; a waste material plate is fixedly connected to one side of the bearing plate 14, which is far away from the wind screening pipe 15;
hierarchical screening mechanism sets up in the inside of guard plate 16, one side and the screening case 1 fixed connection of guard plate 16, and waste material mouth 17 has been seted up to the one end of guard plate 16, waste material board's one end and waste material mouth 17 fixed connection.
One side of the grading screening mechanism is provided with a dust removal cleaning mechanism for cleaning graded seeds, the dust removal cleaning mechanism comprises a cleaning pool 18, an inner cavity of the cleaning pool 18 is divided into a plurality of cleaning grooves by a plurality of cleaning plates, the bottoms of the cleaning grooves are all connected with material pushing plates 19 in a sliding manner, any two adjacent material pushing plates 19 are all fixedly connected through a short shaft, the middle parts of the cleaning plates are all provided with through grooves for the short shaft to move, the middle parts of the inner walls of the through grooves are provided with sliding cavities, the middle parts of the short shafts are fixedly connected with sealing plates, and the sealing plates are connected in the sliding cavities in a sliding manner; the two material pushing plates 19 positioned on the side edges are fixedly connected with the material pushing frame 20, and the material pushing frame 20 is fixedly connected with the output end of the material pushing cylinder 21; the tops of the plurality of material pushing plates 19 are all arranged in a step shape; the pumpkin seeds are further screened by buoyancy of water in the cleaning pool 18, the material pushing frame 20 and the plurality of material pushing plates 19 are pushed to reciprocate by the material pushing cylinder 21, the pumpkin seeds are pushed and concentrated towards the direction of the lifting plate 23, and the pumpkin seeds in the cleaning pool 18 are conveniently discharged; the pumpkin seeds can be stirred through the reciprocating motion of the plurality of material pushing plates 19, so that the cleaning effect of the pumpkin seeds is improved; one side of the cleaning top is clamped and connected with a net rack 22, the bottom of the net rack 22 is fixedly connected with a fishing net, and the bottom of the fishing net is fixedly connected with a balancing weight; because the general quality of inferior pumpkin seed is lower floats on the surface of water easily, blocks the pumpkin seed that floats on the surface of water through setting up the scoop net, sieves it and gets rid of.
One end of each cleaning groove is connected with a lifting plate 23 in a sliding manner; the tops of the lifting plates 23 are obliquely arranged, the lower height ends of the lifting plates face the direction of the drying mechanism, water permeable openings 33 are formed in the top surfaces of the lifting plates 23 and one sides of the lifting plates 23, and the inner walls of the water permeable openings 33 are fixedly connected with water permeable nets; the bottoms of the plurality of lifting plates 23 are fixedly connected with push plates, and lifting cylinders 24 are fixedly arranged at the bottoms of the push plates; the lifting cylinder 24 drives the lifting plate 23 to reciprocate, and the pumpkin seeds at the bottom of the cleaning groove are lifted out of the water surface by the inclined surface at the top of the lifting plate 23 and fall into the drying box 25 under the action of gravity, so that the pumpkin seeds are discharged.
One end of the cleaning pool 18 is fixedly connected with a drying mechanism, the drying mechanism comprises a drying box 25, one side of the soaring box, which faces the cleaning pool 18, is provided with a plurality of material receiving ports, the material receiving ports are respectively aligned with one sides of a plurality of lifting plates 23, and when the lifting plates 23 are retreated to the highest position under the action of the lifting cylinders 24, the top surfaces of the lifting plates 23 are higher than the bottoms of the inner walls of the material receiving ports so as to ensure that the material receiving ports stably receive the pumpkin seeds;
one side of the inner wall of the drying box 25 is fixedly connected with a draining plate 26, the top of the draining plate 26 is inclined and provided with a draining port 32, the inner wall of the draining port 32 is fixedly connected with a draining partition net, a plurality of partition plates are correspondingly arranged above the draining plate 26 so as to prevent pumpkin seeds on the draining plate 26 from being mixed with each other, one side of the draining plate 26 is fixedly connected with a grid box 27, and the bottom of the inner wall of the drying box 25 is fixedly provided with a hot air blower 28; the air-out direction of air heater 28 is vertical upwards, and the top fixedly connected with upper cover plate 29 of net case 27, the bottom fixed mounting of upper cover plate 29 has a plurality of stoving lamp, and the export has been seted up to one side of net case 27, and a plurality of screening discharge gate 30 has been seted up to one side of stoving case, and the equal fixedly connected with guide plate in one side of a plurality of screening discharge gate 30, one side of a plurality of screening discharge gate 30 is adjusted well with one side of a plurality of export respectively and is set up.
In order to ensure the stable movement of the pumpkin seeds in the device and reduce the blockage and deposition of the pumpkin seeds, the sorting groove 9, the material receiving plate 12, the receiving groove, the draining plate, the guide plate and other positions are fixedly provided with vibrators.
The working principle of the invention is as follows: firstly, pumpkin seeds to be screened are fed from a receiving port, and after the pumpkin seeds are fed, the feeding port is closed by a closing plate 2 under the action of a torsion spring, so that the pumpkin seeds or dust impurities and the like are prevented from being sprayed out from the feeding port in the screening process; then the vibrating screen 8 starts to work to screen out small-volume dust, impurities and the like mixed in the pumpkin seeds; meanwhile, the turnover motor is started to drive the turnover piece to integrally rotate, and the pumpkin seeds are turned by the rotation of the turning rod 7; an external air pump introduces air into the central vent pipe 4 through an air inlet pipe and the external sleeve pipe 5, the air is blown out through an air blowing port formed in the external sleeve pipe 5, dust impurities mixed in the pumpkin seeds are blown and guided to the direction of the air suction pipe, external dust collection equipment is started, and the dust impurities floating in the screening box 1 are sucked and discharged through air suction of the air suction pipe;
the pumpkin seeds which are screened are conveyed into a sorting groove 9 by the vibration of a vibrating screen 8, the pumpkin seeds fall along the sorting groove 9, the smaller pumpkin seeds firstly fall from the smaller sorting groove 9 in the falling process, then the pumpkin seeds gradually fall into different subareas, the sorting grooves 9 in the subareas are gradually increased in sales, until all the pumpkin seeds fall from the sorting groove 9, the pumpkin seeds which fall behind enter a receiving groove, fall into narrow slits through the narrow slits in a vertical posture by the guidance of the receiving groove, then penetrate out from the narrow slits to the receiving plate 14, air is blown to the falling pumpkin seeds through a wind screening pipe 15, and impurity and dust in the pumpkin seeds can be further removed;
the bearing plate 14 bears a plurality of pumpkin seeds falling from the partitions through a plurality of bearing cavities separated from the inner part and correspondingly conveys the pumpkin seeds into a plurality of cleaning tanks, and the pumpkin seeds are cleaned and further screened through diving in the cleaning tanks; the material pushing cylinder 21 is started to push the material pushing frame 20 and the material pushing plates 19 to move in a reciprocating mode, pumpkin seeds are pushed and concentrated towards the direction of the lifting plate 23, the pumpkin seeds floating on the water surface are blocked by the fishing net, when the pumpkin seeds are pushed to the position of the lifting plate 23, the lifting cylinder 24 is started to drive the lifting plate 23 to move in a reciprocating mode, pumpkin seeds at the bottom of the cleaning tank are lifted out of the water surface by the aid of the inclined surface of the top of the lifting plate 23, the pumpkin seeds fall into the drying box 25 under the action of gravity, redundant moisture on the pumpkin seeds is drained through the draining plate 26, the pumpkin seeds fall into the grid box 27, hot air output by the air heater 28 and irradiation and heating of the drying lamp are used for drying the pumpkin seeds, and the dried pumpkin seeds are sent out through the screening discharge port.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The seed screening equipment for pumpkin breeding is characterized by comprising a front screening mechanism, wherein a grading screening mechanism is arranged on one side of the front screening mechanism, the grading screening mechanism comprises a sorting groove (9), an adjusting piece for adjusting the posture of the sorted seeds is arranged at the bottom of the sorting groove (9), a bearing plate (14) is arranged below the adjusting piece, a wind screening pipe (15) is arranged between the bearing plate (14) and the adjusting piece, and the blowing direction of the wind screening pipe (15) is perpendicular to the falling direction of the seeds; and one side of the grading screening mechanism is provided with a dust removal cleaning mechanism for cleaning the graded seeds.
2. The seed screening apparatus for pumpkin breeding according to claim 1, wherein the sorting groove (9) is obliquely arranged, a plurality of partition plates (10) are fixedly connected to the inner wall of the sorting groove (9), the inner cavity of the sorting groove (9) is divided into a plurality of partitions by the plurality of partition plates (10), a plurality of sorting ports (11) are formed in the bottom of each partition, and the inner diameter of each sorting port (11) in each partition with the higher height is smaller.
3. The seed screening apparatus for pumpkin breeding according to claim 1, wherein the adjusting member comprises a receiving plate (12), a receiving groove is formed at the top of the receiving plate (12), an inner cavity of the receiving groove is divided into a plurality of receiving areas through a plurality of receiving plates (12), and the plurality of receiving areas are respectively arranged corresponding to the bottoms of the plurality of subareas; connect the bottom fixedly connected with regulating plate (13) of flitch (12), the triangular groove has been seted up at the top of regulating plate (13), the slot has been seted up at the middle part of regulating plate (13).
4. The seed screening apparatus for pumpkin breeding according to claim 2, wherein one side of the top surfaces of the plurality of partition plates (10) is provided with an arc-shaped surface, the other side of the top surfaces of the plurality of partition plates (10) is provided with an inclined surface, the sizes of the plurality of partition plates (10) are different, and the sectional area of the partition plate (10) at a higher position is smaller.
5. The seed screening device for pumpkin breeding as claimed in claim 1, wherein the dust removal cleaning mechanism comprises a cleaning tank (18), the inner cavity of the cleaning tank (18) is divided into a plurality of cleaning grooves by a plurality of cleaning plates, the bottoms of the plurality of cleaning grooves are respectively connected with a material pushing plate (19) in a sliding manner, any two adjacent material pushing plates (19) are respectively fixedly connected with each other through a short shaft, the two material pushing plates (19) positioned on the side edges are respectively fixedly connected with a material pushing frame (20), the material pushing frame (20) is fixedly connected with the output end of a material pushing cylinder (21), and one end of each cleaning groove is respectively connected with a lifting plate (23) in a sliding manner.
6. The seed screening apparatus for pumpkin breeding according to claim 5, wherein a plurality of the lifting plates (23) are arranged with their tops inclined, the top surfaces of the lifting plates (23) and one side of the lifting plates (23) are provided with water permeable ports (33), and the inner walls of the water permeable ports (33) are fixedly connected with water permeable nets; the bottoms of the plurality of lifting plates (23) are fixedly connected with push plates, and lifting cylinders (24) are fixedly mounted at the bottoms of the push plates.
7. The seed screening apparatus for pumpkin breeding according to claim 5, wherein a drying mechanism is fixedly connected to one end of the cleaning tank (18), the drying mechanism comprises a drying box (25), a draining plate (26) is fixedly connected to one side of the inner wall of the drying box (25), a grid box (27) is fixedly connected to one side of the draining plate (26), and a hot air blower (28) is fixedly mounted at the bottom of the inner wall of the drying box (25).
8. The seed screening device for pumpkin breeding according to claim 1, wherein the preposed screening mechanism comprises a screening box (1), and both sides of the screening box (1) are fixedly connected with air suction pipes (3); the middle part of the inner wall of the screening box (1) is rotatably provided with two material turning pieces, and the bottom of the inner wall of the screening box (1) is fixedly connected with a vibrating screen (8).
9. The seed screening apparatus for pumpkin breeding according to claim 8, wherein the material turning member comprises a central vent pipe (4), a plurality of gas outlets are formed in the middle of the central vent pipe (4), an outer sleeve (5) is sleeved on the outer wall of the central vent pipe (4), a plurality of gas blowing holes (6) are formed in the outer wall of the outer sleeve (5), material turning rods (7) are fixedly connected to gaps among the plurality of gas blowing holes (6), a material turning motor is fixedly connected to one end of the central vent pipe (4), and the other end of the central vent pipe (4) is communicated with an output end of an external gas pump through a gas inlet pipe.
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| CN202111127059.3A CN113908971B (en) | 2021-09-26 | 2021-09-26 | Seed screening equipment for pumpkin breeding |
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| CN113908971B CN113908971B (en) | 2024-03-15 |
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| CN114669478A (en) * | 2022-04-02 | 2022-06-28 | 河南科技大学 | Wind screen roller combination formula seed cleaning device |
| CN115164549A (en) * | 2022-07-14 | 2022-10-11 | 湖南生平米业股份有限公司 | Large drying equipment for wet grain treatment and using method |
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| CN113908971B (en) | 2024-03-15 |
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